/* roulang page: index */
*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        :root {
            --bg-deep: #0E1116;
            --bg-surface: #161B22;
            --bg-raised: #1D242E;
            --bg-elevated: #242C38;
            --line-subtle: #232A34;
            --line-strong: #313C4A;
            --accent-primary: #C8F135;
            --accent-primary-hover: #DAFF4D;
            --accent-dark: #9DC91F;
            --accent-orange: #FF6A00;
            --text-hi: #F2F5F7;
            --text-mid: #ABB4C0;
            --text-low: #707A88;
            --text-on-accent: #0E1116;
            --success: #3DD68C;
            --warning: #FFB020;
            --error: #FF5D5D;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 0 0 1px var(--line-strong), 0 10px 30px rgba(0, 0, 0, 0.35);
            --transition-fast: all 0.2s ease;
            --transition-base: all 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Barlow Condensed", "Roboto Condensed", "Arial Narrow", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-hi);
            background-color: var(--bg-deep);
            background-image: radial-gradient(circle at 70% 0%, rgba(200, 241, 53, 0.04) 0%, transparent 35%);
            letter-spacing: 0.02em;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--text-hi);
            text-decoration: none;
            transition: var(--transition-fast);
        }

        a:hover {
            color: var(--accent-primary);
        }

        a:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
            font-size: 1rem;
            transition: var(--transition-fast);
        }

        button:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-wide {
            max-width: 1440px;
        }

        .section {
            padding: 96px 0;
            position: relative;
        }

        .section-divider {
            border-top: 1px solid var(--line-subtle);
        }

        .text-mid {
            color: var(--text-mid);
        }

        .text-low {
            color: var(--text-low);
        }

        .text-accent {
            color: var(--accent-primary);
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--accent-primary);
            border: 1px solid rgba(200, 241, 53, 0.25);
            background: rgba(200, 241, 53, 0.06);
            border-radius: 100px;
            padding: 5px 14px;
            margin-bottom: 16px;
        }

        .section-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-primary);
            display: inline-block;
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -0.01em;
        }

        .section-sub {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-mid);
            max-width: 660px;
            margin-bottom: 40px;
        }

        .accent-track {
            position: relative;
            padding-left: 18px;
        }

        .accent-track::before {
            content: "";
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 3px;
            background: var(--accent-primary);
            border-radius: 4px;
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-up {
            animation: slideUp 0.7s ease both;
        }
        .delay-1 {
            animation-delay: 0.08s;
        }
        .delay-2 {
            animation-delay: 0.16s;
        }
        .delay-3 {
            animation-delay: 0.24s;
        }

        /* ---------- Header / Nav ---------- */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: transparent;
            transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            border-bottom: 1px solid rgba(35, 42, 52, 0.3);
        }

        .site-header.scrolled {
            background: rgba(14, 17, 22, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line-subtle);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }

        .site-header::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -1px;
            height: 2px;
            width: 40%;
            background: linear-gradient(90deg, var(--accent-primary), transparent);
            opacity: 0.7;
            pointer-events: none;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-primary);
            border-radius: 8px;
            color: var(--text-on-accent);
            font-weight: 800;
            font-size: 20px;
            font-family: var(--font-num);
            position: relative;
            overflow: hidden;
            transition: transform 0.3s ease;
        }

        .logo-mark::before {
            content: "";
            position: absolute;
            top: -6px;
            right: -6px;
            width: 16px;
            height: 16px;
            background: var(--accent-orange);
            transform: rotate(45deg);
        }

        .logo:hover .logo-mark {
            transform: scale(1.06) rotate(-2deg);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-hi);
            white-space: nowrap;
        }

        .logo-text .logo-text-sub {
            display: block;
            font-size: 9px;
            font-weight: 500;
            letter-spacing: 0.3em;
            color: var(--accent-primary);
            text-transform: uppercase;
            line-height: 1;
            margin-top: 2px;
        }

        .logo:hover .logo-text {
            color: var(--text-hi);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-link {
            display: block;
            font-size: 15px;
            font-weight: 500;
            padding: 10px 14px;
            color: var(--text-mid);
            border-radius: 8px;
            position: relative;
            transition: color 0.2s ease, background 0.2s ease;
            white-space: nowrap;
        }

        .nav-link::after {
            content: "";
            display: block;
            height: 2px;
            width: 0;
            background: var(--accent-primary);
            border-radius: 4px;
            transition: width 0.3s ease;
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 3px;
        }

        .nav-link:hover {
            color: var(--text-hi);
            background: rgba(255, 255, 255, 0.03);
        }

        .nav-link:hover::after {
            width: calc(100% - 28px);
        }

        .nav-link.active {
            color: var(--text-hi);
            font-weight: 600;
        }

        .nav-link.active::after {
            width: calc(100% - 28px);
        }

        .nav-action {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-entry {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 42px;
            padding: 0 20px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 8px;
            color: var(--text-on-accent);
            background: var(--accent-orange);
            border: none;
            transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
            white-space: nowrap;
            line-height: 1;
        }

        .btn-entry:hover {
            background: #ff7a1f;
            color: var(--text-on-accent);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 106, 0, 0.25);
        }

        .btn-entry:active {
            transform: translateY(1px);
        }

        .nav-toggle {
            display: none;
            width: 46px;
            height: 46px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--line-subtle);
            background: var(--bg-surface);
            position: relative;
            z-index: 1050;
        }

        .nav-toggle-icon {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-hi);
            position: relative;
            transition: background 0.2s ease;
        }

        .nav-toggle-icon::before,
        .nav-toggle-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--text-hi);
            transition: transform 0.3s ease, top 0.3s ease;
        }

        .nav-toggle-icon::before {
            top: -7px;
        }

        .nav-toggle-icon::after {
            top: 7px;
        }

        .nav-open .nav-toggle-icon {
            background: transparent;
        }

        .nav-open .nav-toggle-icon::before {
            top: 0;
            transform: rotate(45deg);
        }

        .nav-open .nav-toggle-icon::after {
            top: 0;
            transform: rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: -82%;
            width: 82%;
            max-width: 380px;
            height: 100vh;
            height: 100dvh;
            background: var(--bg-surface);
            z-index: 1040;
            padding: 90px 28px 40px;
            overflow-y: auto;
            transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            border-left: 1px solid var(--line-subtle);
            box-shadow: -20px 0 60px rgba(0, 0, 0, 0.4);
        }

        .mobile-menu.nav-open {
            right: 0;
        }

        .mobile-menu .mobile-btn {
            width: 100%;
            margin-bottom: 24px;
        }

        .mobile-menu-nav {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu-nav a {
            display: block;
            padding: 14px 12px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-mid);
            border-radius: 10px;
            border-bottom: 1px solid rgba(35, 42, 52, 0.5);
        }

        .mobile-menu-nav a:hover,
        .mobile-menu-nav a.active {
            color: var(--accent-primary);
            background: rgba(255, 255, 255, 0.02);
        }

        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1030;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
            backdrop-filter: blur(2px);
        }

        .nav-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        /* ---------- Buttons ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 50px;
            padding: 0 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            overflow: hidden;
            line-height: 1;
            position: relative;
            transition: all 0.25s ease;
            gap: 10px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-primary);
            color: var(--text-on-accent);
        }

        .btn-primary:hover {
            background: var(--accent-primary-hover);
            color: var(--text-on-accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(200, 241, 53, 0.2);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--line-strong);
            color: var(--text-hi);
        }

        .btn-outline:hover {
            background: var(--bg-raised);
            border-color: var(--accent-primary);
            color: var(--text-hi);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-orange {
            background: var(--accent-orange);
            color: #fff;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(255, 106, 0, 0.15);
        }

        .btn-orange:hover {
            background: #ff842e;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 106, 0, 0.3);
        }

        .btn-orange:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-lg {
            height: 56px;
            padding: 0 36px;
            font-size: 17px;
        }

        .btn-block {
            width: 100%;
        }

        .btn-secondary-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 6px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            border-radius: 8px;
            transition: color 0.2s ease, gap 0.2s ease;
            background: none;
            border: none;
            cursor: pointer;
        }

        .btn-secondary-link:hover {
            color: var(--accent-primary);
            gap: 12px;
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            min-height: max(600px, 80vh);
            display: flex;
            align-items: center;
            padding: 130px 0 60px;
            overflow: hidden;
            background-color: var(--bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            transform: scale(1.02);
            z-index: 0;
        }

        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--bg-deep) 8%, rgba(14, 17, 22, 0.95) 42%, rgba(14, 17, 22, 0.5) 80%);
            z-index: 1;
        }

        .hero-light {
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 241, 53, 0.11) 0%, transparent 60%);
            top: -80px;
            right: 10%;
            z-index: 1;
            pointer-events: none;
            filter: blur(10px);
        }

        .hero-light-2 {
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 106, 0, 0.09) 0%, transparent 65%);
            bottom: 8%;
            right: 34%;
            z-index: 1;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 60px;
            align-items: center;
            width: 100%;
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-primary);
            letter-spacing: 0.08em;
            background: rgba(200, 241, 53, 0.06);
            border: 1px solid rgba(200, 241, 53, 0.15);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 28px;
        }

        .hero-eyebrow .live-dot {
            width: 8px;
            height: 8px;
            display: inline-block;
            background: var(--accent-primary);
            border-radius: 50%;
            animation: livePulse 1.6s infinite;
            margin-right: 4px;
        }

        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(200, 241, 53, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(200, 241, 53, 0);
            }
        }

        .hero h1 {
            font-size: clamp(1.9rem, 4.2vw, 2.9rem);
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.015em;
            color: var(--text-hi);
        }

        .hero-accent-line {
            width: 48px;
            height: 3px;
            background: var(--accent-primary);
            border-radius: 6px;
            margin-bottom: 24px;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-mid);
            max-width: 520px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-assurance {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 8px;
        }

        .hero-assurance-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-mid);
        }

        .hero-assurance-item i {
            color: var(--accent-primary);
            font-style: normal;
        }

        .hero-media {
            position: relative;
            display: flex;
            justify-content: flex-end;
            align-items: center;
        }

        .hero-image-wrap {
            position: relative;
            width: 82%;
            margin-left: auto;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
        }

        .hero-image-wrap img {
            width: 100%;
            aspect-ratio: 5/6;
            object-fit: cover;
        }

        .hero-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(14, 17, 22, 0.82) 100%);
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }

        .hero-img-tag {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-img-tag .live-tag {
            width: 52px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-orange);
            color: #fff;
            font-weight: 800;
            font-size: 13px;
            letter-spacing: 0.08em;
            border-radius: 6px;
            font-family: var(--font-num);
        }

        .hero-img-tag .live-tag-desc {
            font-size: 15px;
            font-weight: 600;
        }

        .hero-float-card {
            position: absolute;
            right: -14px;
            bottom: 25%;
            background: rgba(22, 27, 34, 0.92);
            backdrop-filter: blur(12px);
            border-radius: 14px;
            border: 1px solid var(--line-strong);
            padding: 16px 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .hero-float-card .score {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            color: var(--accent-primary);
            letter-spacing: 0.02em;
        }

        .hero-float-card .score-label {
            font-size: 12px;
            color: var(--text-mid);
        }

        @keyframes floating {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .hero-float-card {
            animation: floating 4s ease-in-out infinite;
        }

        /* hero ticker */
        .hero-ticker {
            border-top: 1px solid rgba(35, 42, 52, 0.6);
            margin-top: 56px;
            padding-top: 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .hero-ticker-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 6px 12px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.02);
            border-left: 2px solid var(--accent-primary);
            transition: background 0.2s ease;
        }

        .hero-ticker-item:hover {
            background: var(--bg-surface);
        }

        .ticker-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 241, 53, 0.08);
            color: var(--accent-primary);
            font-size: 17px;
        }

        .ticker-info .ticker-label {
            font-size: 13px;
            color: var(--text-mid);
            line-height: 1.3;
        }

        .ticker-info .ticker-status {
            font-size: 11px;
            display: flex;
            align-items: center;
            gap: 5px;
            color: var(--text-low);
            line-height: 1.3;
        }

        .ticker-status .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
        }

        .ticker-status .status-dot.orange {
            background: var(--accent-orange);
        }

        .ticker-status .status-dot.accent {
            background: var(--accent-primary);
        }

        /* ---------- Intro feature ---------- */
        .feature-intro {
            position: relative;
            z-index: 2;
            background: var(--bg-deep);
            overflow: hidden;
        }

        .feature-intro::before {
            content: "";
            position: absolute;
            width: 60%;
            height: 2px;
            top: 0;
            right: 0;
            background: linear-gradient(270deg, transparent, var(--line-subtle));
        }

        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .feature-big-stat {
            text-align: center;
            padding: 30px 20px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line-subtle);
            position: relative;
            overflow: hidden;
        }

        .feature-big-stat::before {
            content: "";
            position: absolute;
            width: 80%;
            height: 3px;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
            border-radius: 0 0 8px 8px;
        }

        .big-stat-number {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1.1;
            display: block;
        }

        .big-stat-label {
            font-size: 14px;
            color: var(--text-mid);
            margin-top: 8px;
        }

        .feature-mid-content {
            text-align: center;
            padding: 20px 0;
        }

        .feature-mid-content h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .stroke-text {
            -webkit-text-stroke: 1px rgba(200, 241, 53, 0.5);
            color: transparent;
        }

        /* ---------- Sports Grid ---------- */
        .sports-entry {
            background: var(--bg-surface);
            position: relative;
            padding: 80px 0;
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
            overflow: hidden;
        }

        .sports-entry-bg {
            position: absolute;
            right: -10%;
            top: 50%;
            transform: translateY(-50%);
            width: 60%;
            opacity: 0.03;
            pointer-events: none;
            z-index: 0;
        }

        .sports-entry-bg img {
            width: 100%;
        }

        .sports-entry .container {
            position: relative;
            z-index: 2;
        }

        .sports-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            gap: 24px;
        }

        .sports-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.3;
        }

        .sports-header p {
            color: var(--text-mid);
            max-width: 460px;
        }

        .sports-showcase {
            display: grid;
            grid-template-columns: 1.2fr 2fr 1.2fr;
            gap: 20px;
        }

        .sports-showcase .side-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .showcase-card {
            background: var(--bg-deep);
            border-radius: var(--radius-md);
            border: 1px solid var(--line-subtle);
            padding: 24px;
            position: relative;
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            overflow: hidden;
        }

        .showcase-card:hover {
            border-color: var(--line-strong);
            border-left: 3px solid var(--accent-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .showcase-card .showcase-icon {
            font-size: 26px;
            margin-bottom: 12px;
        }

        .showcase-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .showcase-card p {
            font-size: 13px;
            color: var(--text-mid);
        }

        .center-card {
            background: var(--bg-deep);
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            border-left: 3px solid var(--accent-primary);
        }

        .center-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        .center-card .play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background: rgba(14, 17, 22, 0.75);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 24px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(200, 241, 53, 0.3);
            transition: all 0.3s ease;
        }

        .center-card:hover .play-icon {
            background: var(--accent-primary);
            color: var(--text-on-accent);
            transform: translate(-50%, -50%) scale(1.1);
        }

        /* ---------- Streaming Features ---------- */
        .features-modern {
            position: relative;
            padding: 100px 0;
        }

        .features-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 64px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--line-subtle);
            transition: all 0.3s ease;
            display: flex;
            padding: 20px;
            gap: 20px;
        }

        .feature-card:hover {
            border-color: var(--line-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            background: var(--bg-raised);
        }

        .feature-card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(200, 241, 53, 0.08);
            border-radius: 12px;
            font-size: 22px;
            flex-shrink: 0;
            border: 1px solid rgba(200, 241, 53, 0.15);
        }

        .feature-card h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .feature-card .text-muted {
            color: var(--text-mid);
            font-size: 15px;
        }

        .feature-card:hover .feature-card-icon {
            background: var(--accent-primary);
            color: var(--text-on-accent);
            border-color: var(--accent-primary);
        }

        /* ---------- News section ---------- */
        .home-news-section {
            padding: 70px 0 0;
        }

        .news-grid-main {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 24px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            gap: 16px;
            background: var(--bg-surface);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--line-subtle);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
            transition: all 0.25s ease;
            padding: 12px;
        }

        .news-item:hover {
            border-color: rgba(200, 241, 53, 0.35);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .news-item img {
            width: 160px;
            height: 110px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
            background: var(--bg-raised);
        }

        .news-item-content {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            align-items: flex-start;
            gap: 6px;
            width: 100%;
            min-width: 0;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-low);
        }

        .news-badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            background: rgba(200, 241, 53, 0.08);
            color: var(--accent-primary);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .news-item h3 {
            font-size: 16px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
            margin-bottom: 4px;
        }

        .news-item:hover h3 {
            color: var(--accent-primary);
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-mid);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-low);
            flex-shrink: 0;
        }

        .news-right-module {
            background: var(--bg-deep);
            border: 1px solid var(--line-subtle);
            border-radius: 12px;
            overflow: hidden;
        }

        .news-right-header {
            padding: 20px 20px 12px;
            font-weight: 700;
            font-size: 18px;
            background: var(--bg-surface);
            border-bottom: 1px solid var(--line-subtle);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hot-list {
            list-style: none;
            padding: 4px 0;
        }

        .hot-list li a {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 20px;
            border-bottom: 1px solid rgba(35, 42, 52, 0.5);
            transition: background 0.2s ease;
        }

        .hot-list li a:hover {
            background: var(--bg-surface);
        }

        .hot-rank {
            font-family: var(--font-num);
            font-style: normal;
            font-weight: 700;
            font-size: 20px;
            line-height: 1;
            color: var(--text-low);
            padding-top: 2px;
            width: 20px;
            text-align: center;
        }

        .hot-rank.top-3 {
            color: var(--accent-primary);
        }

        .hot-title {
            font-size: 14px;
            color: var(--text-mid);
            transition: color 0.2s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }

        .hot-title:hover {
            color: var(--accent-primary);
        }

        .news-empty-state {
            padding: 40px 16px;
            text-align: center;
            color: var(--text-low);
        }

        .notification-empty {
            padding: 32px 20px;
            text-align: center;
            color: var(--text-low);
            border: 1px dashed var(--line-strong);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.01);
        }

        /* ---------- Steps ---------- */
        .steps-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
            padding: 100px 0;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            right: -20%;
            top: 0;
            width: 70%;
            height: 100%;
            background: linear-gradient(125deg, transparent, rgba(200, 241, 53, 0.03) 50%, transparent);
            transform: skewX(-15deg);
            pointer-events: none;
        }

        .step-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 2;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-number {
            font-family: var(--font-num);
            font-size: 50px;
            font-weight: 800;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px var(--line-strong);
            margin-bottom: 16px;
            display: block;
            transition: all 0.2s ease;
        }

        .step-item:hover .step-number {
            -webkit-text-stroke: 1px var(--accent-primary);
            transform: scale(1.08);
        }

        .step-icon {
            font-size: 34px;
            margin-bottom: 14px;
        }

        .step-item h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .step-item p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
            padding: 0 4px;
        }

        /* ---------- CTA section ---------- */
        .cta-vip {
            background: var(--bg-deep);
            color: var(--text-hi);
            position: relative;
            overflow: hidden;
            padding: 90px 0;
        }

        .cta-vip-bgi {
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            position: absolute;
            inset: 0;
            opacity: 0.18;
            z-index: 0;
        }

        .cta-vip::before {
            content: "";
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 241, 53, 0.18), transparent 70%);
            pointer-events: none;
        }

        .cta-vip::after {
            content: "";
            position: absolute;
            bottom: -50px;
            right: -10%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 106, 0, 0.1), transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-vip .container {
            position: relative;
            z-index: 3;
        }

        .cta-content {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-content h2 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--text-hi);
        }

        .cta-content p {
            font-size: 1.1rem;
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btn-wrap {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-note {
            text-align: center;
            margin-top: 24px;
            font-size: 13px;
            color: var(--text-low);
            padding: 8px;
        }

        .member-card-deco {
            width: 16px;
            height: 16px;
            display: inline-block;
            background: var(--accent-primary);
            border-radius: 50%;
            position: relative;
            box-shadow: 0 0 0 6px rgba(200, 241, 53, 0.15);
            margin-right: 6px;
        }

        /* ---------- Promo Banner section ---------- */
        .promo-banner {
            background: var(--bg-surface);
            padding: 50px 0;
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
        }

        .promo-inner-card {
            background: var(--bg-deep);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid var(--line-subtle);
        }

        .promo-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .promo-sub {
            color: var(--text-mid);
            font-size: 14px;
        }

        .promo-price-btn {
            white-space: nowrap;
        }

        /* ---------- FAQ ---------- */
        .faq-home {
            padding: 40px 0 0;
        }

        .faq-list {
            max-width: 820px;
            margin-left: auto;
            margin-right: auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: 10px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item:hover {
            border-color: var(--accent-primary);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-hi);
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--accent-primary);
        }

        .faq-icon {
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(200, 241, 53, 0.1);
            color: var(--accent-primary);
            font-size: 15px;
            font-weight: 700;
            transition: all 0.25s ease;
            border: 1px solid rgba(200, 241, 53, 0.2);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-primary);
            color: var(--text-on-accent);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 20px 20px;
            color: var(--text-mid);
        }

        .faq-answer-inner {
            background: var(--bg-deep);
            border-radius: 8px;
            padding: 20px;
            color: var(--text-mid);
            border-left: 2px solid var(--accent-primary);
            font-size: 15px;
        }

        /* ---------- Assurance ---------- */
        .assure-box {
            background: var(--bg-deep);
            padding: 48px 0;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .assure-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: left;
            transition: transform 0.3s ease, background 0.3s ease;
            border: 1px solid var(--line-subtle);
        }

        .assure-item:hover {
            background: var(--bg-raised);
            transform: translateY(-4px);
            border-color: var(--line-strong);
        }

        .assure-icon {
            font-size: 30px;
            margin-bottom: 16px;
        }

        .assure-item h3 {
            font-size: 18px;
            margin-bottom: 6px;
        }

        .assure-item p {
            color: var(--text-mid);
            font-size: 14px;
        }

        /* ---------- Page Bannner ---------- */
        .page-banner {
            background: var(--bg-deep);
            border-bottom: 1px solid var(--line-subtle);
        }

        .page-banner-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 48px 0 32px;
        }

        .page-banner h1 {
            font-size: var(--h1-size, 24px);
            font-weight: 700;
            color: var(--text-hi);
        }

        .page-banner p {
            color: var(--text-mid);
            margin: 8px 0 0;
            font-size: 14px;
        }

        /* ---------- Breadcrumb ---------- */
        .breadcrumb {
            padding: 16px 0 4px;
            font-size: 13px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }

        .breadcrumb li a {
            color: var(--text-low);
        }

        .breadcrumb li a:hover {
            color: var(--accent-primary);
        }

        .breadcrumb li.sep {
            color: var(--text-low);
        }

        .breadcrumb li.current {
            color: var(--text-mid);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #0B0E12;
            color: var(--text-mid);
            padding: 60px 0 30px;
            border-top: 1px solid var(--line-subtle);
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-primary) 0%, transparent 55%);
            z-index: 2;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 36px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            max-width: 260px;
        }

        .footer-heading {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 4px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .footer-links a {
            color: var(--text-mid);
            font-size: 14px;
            padding: 5px 0;
            display: inline-flex;
            align-items: center;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a::before {
            content: "›";
            color: var(--accent-primary);
            margin-right: 4px;
            font-size: 18px;
            line-height: 1;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 8px;
        }

        .footer-note {
            padding: 16px 0 0;
            border-top: 1px solid rgba(35, 42, 52, 0.5);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-low);
        }

        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }

        .footer-bottom-links a {
            color: var(--text-low);
            font-size: 13px;
        }

        /* ---------- Back to top ---------- */
        .back-to-top {
            position: fixed;
            right: 22px;
            bottom: 22px;
            width: 46px;
            height: 46px;
            background: rgba(22, 27, 34, 0.85);
            border: 1px solid var(--line-strong);
            border-radius: 12px;
            color: var(--text-mid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            z-index: 100;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
            cursor: pointer;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            color: var(--accent-primary);
            border-color: var(--accent-primary);
            transform: translateY(-4px);
            background: rgba(14, 17, 22, 0.95);
        }

        /* ---------- content cards ---------- */
        .category-row {
            display: flex;
            gap: 20px;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 4px;
        }

        .category-col-card {
            width: 224px;
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: 14px;
            transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
            padding: 18px;
            flex-shrink: 0;
        }

        .category-col-card:hover {
            background: var(--bg-raised);
            border-color: var(--line-strong);
        }

        .category-col-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-hi);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .category-col-title i {
            color: var(--accent-primary);
        }

        .category-col-sub {
            color: var(--text-mid);
            font-size: 13px;
            margin-bottom: 15px;
        }

        /* content card */
        .comp-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s;
            height: 100%;
        }

        .comp-card:hover {
            transform: translateY(-4px);
            border-color: var(--line-strong);
            box-shadow: var(--shadow-hover);
        }

        .comp-image {
            background: var(--bg-raised);
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-size: cover;
            background-position: center;
        }

        .comp-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .comp-badge {
            position: absolute;
            left: 12px;
            top: 12px;
            background: rgba(14, 17, 22, 0.75);
            color: var(--accent-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(200, 241, 53, 0.18);
        }

        .comp-content {
            padding: 18px;
        }

        .comp-meta {
            font-size: 12px;
            color: var(--text-low);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
        }

        .comp-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            transition: color 0.2s;
        }

        .comp-card:hover .comp-title {
            color: var(--accent-primary);
        }

        .comp-desc {
            font-size: 14px;
            color: var(--text-mid);
        }

        /* ---------- responsive ---------- */
        @media (max-width: 1200px) {
            .feature-grid {
                grid-template-columns: 1fr 2fr;
            }

            .feature-grid .feature-big-stat:last-child {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
                gap: 24px;
            }
        }

        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }

            .hero {
                padding: 120px 0 40px;
                min-height: auto;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content {
                max-width: 700px;
            }

            .hero-media {
                justify-content: center;
            }

            .hero-image-wrap {
                width: 90%;
                margin: 0 auto;
                max-width: 560px;
            }

            .hero-image-wrap img {
                aspect-ratio: 16/10;
                width: 100%;
            }

            .hero-ticker {
                grid-template-columns: repeat(2, 1fr);
            }

            .sports-showcase {
                grid-template-columns: 1fr 1fr;
            }

            .sports-showcase .center-card {
                grid-column: span 2;
                order: -1;
            }

            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-mid-content {
                text-align: center;
            }

            .step-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .news-grid-main {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-brand .footer-desc {
                max-width: 400px;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .section {
                padding: 56px 0;
            }

            .nav-menu {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-action .btn-entry {
                display: none;
            }

            .mobile-menu .btn-entry {
                display: inline-flex;
            }

            .hero-actions {
                gap: 12px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-ticker {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                margin-top: 30px;
            }

            .hero-ticker-item {
                padding: 10px;
            }

            .hero-ticker-item:nth-child(n+3) {
                display: none;
            }

            .sports-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 30px;
            }

            .sports-showcase {
                grid-template-columns: 1fr;
            }

            .sports-showcase .center-card {
                grid-column: span 1;
                order: 0;
            }

            .sports-showcase .center-card img {
                min-height: 220px;
            }

            .showcase-card {
                padding: 16px;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .news-grid-main {
                grid-template-columns: 1fr;
            }

            .news-item img {
                width: 120px;
                height: 90px;
            }

            .faq-question {
                font-size: 15px;
                padding: 15px 16px;
                align-items: flex-start;
            }

            .faq-icon {
                width: 34px;
                height: 34px;
                flex-shrink: 0;
                font-size: 18px;
                transform: translateY(-6px);
            }

            .faq-item.open .faq-icon {
                transform: translateY(-6px) rotate(45deg);
            }

            .cta-vip {
                padding: 64px 0;
            }

            .promo-inner-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .promo-price-btn {
                width: 100%;
            }

            .assure-box {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .site-footer {
                padding: 40px 0 20px;
            }

            .footer-note {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .footer-logo-col {
                text-align: center;
            }

            .page-banner-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 70px 4px 24px;
            }
        }

        @media (max-width: 480px) {
            .section {
                padding: 48px 0;
            }

            .hero h1 {
                font-size: 1.7rem;
                line-height: 1.3;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-eyebrow {
                font-size: 12px;
                margin-bottom: 20px;
            }

            .hero-ticker {
                grid-template-columns: 1fr;
            }

            .hero-ticker-item:nth-child(n+3) {
                display: flex;
            }

            .hero-ticker-item:nth-child(n+3) {
                display: none;
            }

            .hero-ticker-item:nth-child(-n+2) {
                display: flex;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .btn-lg {
                height: 50px;
                padding: 0 24px;
                font-size: 15px;
            }

            .sports-header h2 {
                font-size: 1.4rem;
            }

            .showcase-card p {
                font-size: 13px;
            }

            .step-flow {
                grid-template-columns: 1fr;
            }

            .cta-content h2 {
                font-size: 1.8rem;
            }

            .cta-content p {
                font-size: 1rem;
            }

            .promo-inner-card {
                padding: 24px;
            }

            .btn.cta-btn {
                width: 100%;
            }

            .cta-btn-wrap .btn {
                width: 100%;
            }

            .news-list {
                gap: 12px;
            }

            .news-item {
                flex-direction: column;
                gap: 0;
            }

            .news-item img {
                width: 100%;
                height: 160px;
                border-radius: 8px 8px 0 0;
            }

            .news-item-content {
                padding: 8px 4px 4px;
            }

            .news-summary {
                font-size: 13px;
            }
        }

        @media (min-width: 769px) {
            .nav-toggle {
                display: none;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu-btn-wrap {
                display: none;
            }

            .mobile-only {
                display: none;
            }
        }

/* roulang page: article */
:root {
    --bg-deep: #0E1116;
    --bg-surface: #161B22;
    --bg-raised: #1D242E;
    --bg-elevated: #242C38;
    --bg-footer: #0B0E12;
    --accent-primary: #C8F135;
    --accent-primary-hover: #DAFF4D;
    --accent-dark: #9DC91F;
    --accent-orange: #FF6A00;
    --text-hi: #F2F5F7;
    --text-mid: #ABB4C0;
    --text-low: #707A88;
    --text-on-accent: #0E1116;
    --line-subtle: #232A34;
    --line-strong: #313C4A;
    --success: #3DD68C;
    --warning: #FFB020;
    --error: #FF5D5D;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --radius-xs: 4px;
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.24);
    --shadow-hover: 0 0 0 1px var(--line-strong), 0 16px 36px rgba(0, 0, 0, 0.32);
    --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
    --font-data: "Barlow Condensed", "Roboto Condensed", "DIN Alternate", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--bg-deep);
    color: var(--text-mid);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0.02em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 {
    color: var(--text-hi);
    font-weight: 700;
    margin: 0;
    line-height: 1.3;
    letter-spacing: 0;
}
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 3px;
    border-radius: 6px;
}
::selection { background: rgba(200, 241, 53, 0.2); color: var(--text-hi); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(14, 17, 22, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line-subtle);
}
.site-header::after {
    content: "";
    display: block;
    height: 2px;
    width: 42%;
    background: var(--accent-primary);
    position: absolute;
    left: 0;
    bottom: 0;
}
.header-glow {
    background: rgba(14, 17, 22, 0.92);
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--accent-primary);
    color: var(--text-on-accent);
    font-weight: 800;
    font-family: var(--font-data);
    font-size: 20px;
    letter-spacing: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 1px rgba(200, 241, 53, 0.3), 0 0 16px rgba(200, 241, 53, 0.12);
}
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
    color: var(--text-hi);
    font-weight: 700;
    font-size: 18px;
}
.logo-text-sub {
    font-size: 11px;
    color: var(--text-mid);
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-top: 3px;
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-link {
    display: inline-block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-mid);
    padding: 10px 2px;
    position: relative;
    transition: color 0.2s ease;
}
.nav-link::before {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: right 0.25s ease;
}
.nav-link:hover { color: var(--text-hi); }
.nav-link:hover::before { right: 0; }
.nav-link.active { color: #fff; }
.nav-link.active::before { right: 0; }
.nav-action {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn-entry {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 40px;
    padding: 0 18px;
    border-radius: var(--radius-sm);
    background: var(--accent-orange);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    transition: background 0.2s ease, transform 0.15s ease;
}
.btn-entry:hover { background: #ff7f2a; transform: translateY(-1px); }
.btn-entry:active { transform: translateY(1px); }
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    align-items: center;
    justify-content: center;
}
.nav-toggle-icon, .nav-toggle-icon::before, .nav-toggle-icon::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    background: var(--text-hi);
    transition: transform 0.25s ease, opacity 0.25s ease;
    border-radius: 2px;
    position: relative;
}
.nav-toggle-icon::before { position: absolute; top: -6px; }
.nav-toggle-icon::after { position: absolute; top: 6px; }
body.nav-open .nav-toggle-icon { background: transparent; }
body.nav-open .nav-toggle-icon::before { top: 0; transform: rotate(45deg); background: var(--accent-primary); }
body.nav-open .nav-toggle-icon::after { top: 0; transform: rotate(-45deg); background: var(--accent-primary); }

.breadcrumb-wrap {
    border-bottom: 1px solid var(--line-subtle);
    background: #0D1116;
    padding: 14px 0;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-low);
}
.breadcrumb a { transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb-sep { color: var(--line-strong); padding: 0 3px; }
.breadcrumb .current { color: #fff; }

.page-shell { padding: 48px 0 88px; }

.post-center {
    max-width: 840px;
    margin: 0 auto;
    padding: 0 20px;
}

.post-header {
    text-align: center;
    margin-bottom: 40px;
}
.post-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 28px;
    padding: 0 12px;
    border: 1px solid rgba(200, 241, 53, 0.4);
    color: var(--accent-primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(200, 241, 53, 0.08);
    margin-bottom: 18px;
}
.post-category::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
}
.post-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}
.post-header-line {
    width: 42px;
    height: 2px;
    background: var(--accent-primary);
    margin: 22px auto 0;
}
.post-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 20px;
    margin-top: 22px;
    color: var(--text-low);
    font-size: 14px;
}
.post-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.post-meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--text-low);
}

.post-surface {
    background: var(--bg-surface);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}
.post-surface::before {
    content: "";
    width: 100%;
    height: 3px;
    background: var(--accent-primary);
    display: block;
}
.post-body {
    padding: 48px 54px 44px;
    max-width: 760px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 2;
    color: #cfd6de;
}
.post-body p {
    margin: 0 0 1.2em;
}
.post-body > p:first-of-type {
    font-size: 1.125rem;
    color: var(--text-hi);
}
.post-body h2 {
    font-size: 1.5rem;
    margin: 2em 0 0.9em;
    padding-left: 14px;
    border-left: 3px solid var(--accent-primary);
    line-height: 1.4;
}
.post-body h3 {
    font-size: 1.2rem;
    margin: 1.8em 0 0.6em;
    color: #fff;
}
.post-body a {
    color: var(--accent-primary);
    border-bottom: 1px solid rgba(200, 241, 53, 0.3);
    transition: border 0.2s ease;
}
.post-body a:hover { border-bottom-color: var(--accent-primary); }
.post-body ul, .post-body ol {
    margin: 0 0 1.4em;
    padding-left: 1.4em;
}
.post-body ul { list-style: disc; color: #cfd6de; }
.post-body ol { list-style: decimal; color: #cfd6de; }
.post-body li { margin-bottom: 0.5em; }
.post-body img {
    border-radius: 10px;
    margin: 1.8em auto;
    box-shadow: var(--shadow-card);
}
.post-body blockquote {
    margin: 1.8em 0;
    padding: 20px 24px;
    background: var(--bg-deep);
    border-left: 3px solid var(--accent-primary);
    border-radius: 0 10px 10px 0;
    color: var(--text-mid);
}
.post-body blockquote p { margin: 0; }
.post-body :not(pre) code {
    background: var(--bg-raised);
    border: 1px solid var(--line-subtle);
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.92em;
    font-family: "SFMono-Regular", Consolas, "Courier New", monospace;
}

.post-missing {
    padding: 80px 24px;
    text-align: center;
    background: var(--bg-surface);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-lg);
}
.missing-code {
    font-family: var(--font-data);
    font-size: 42px;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 18px;
    letter-spacing: 0.02em;
}
.missing-title {
    font-size: 1.6rem;
    margin-bottom: 12px;
}
.missing-desc {
    max-width: 480px;
    margin: 0 auto 26px;
    color: var(--text-mid);
    font-size: 15px;
}
.btn-group {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    gap: 12px;
    justify-content: center;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    background: var(--accent-primary);
    color: var(--text-on-accent);
    font-weight: 700;
    font-size: 15px;
    border-radius: 8px;
    border: none;
    transition: background 0.2s ease, transform 0.15s ease;
}
.btn-primary:hover { background: var(--accent-primary-hover); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    background: transparent;
    border: 1px solid var(--line-strong);
    color: var(--text-hi);
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s ease;
}
.btn-ghost:hover { border-color: var(--accent-primary); color: var(--accent-primary); background: rgba(200, 241, 53, 0.06); }

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 40px 0 0;
    padding-top: 24px;
    border-top: 1px solid var(--line-subtle);
}
.tag-item {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 12px;
    border-radius: 4px;
    background: var(--bg-raised);
    font-size: 13px;
    color: var(--text-mid);
    transition: all 0.2s ease;
}
.tag-item:hover { background: var(--accent-primary); color: var(--text-on-accent); }

.post-operate {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin: 24px 0 0;
    padding: 20px 0 0;
}
.operate-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.operate-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 14px;
    background: transparent;
    border: 1px solid var(--line-subtle);
    border-radius: 8px;
    color: var(--text-mid);
    font-size: 13px;
    transition: all 0.2s ease;
}
.operate-btn:hover { border-color: var(--line-strong); color: var(--text-hi); background: var(--bg-raised); }

.article-nav {
    margin-top: 48px;
    background: var(--bg-surface);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: stretch;
    flex-wrap: wrap;
    overflow: hidden;
}
.article-nav-side {
    flex: 1 1 240px;
    padding: 22px 26px;
    transition: background 0.2s ease;
}
.article-nav-side:hover { background: var(--bg-raised); }
.article-nav-side + .article-nav-side { border-left: 1px solid var(--line-subtle); }
.article-nav-label { font-size: 13px; color: var(--text-low); margin-bottom: 6px; display: block; }
.article-nav-title {
    color: var(--text-hi);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
}
.article-nav-side:hover .article-nav-title { color: var(--accent-primary); }
.article-nav-link { display: block; }
.article-nav-empty { color: var(--text-low); font-size: 14px; }

.explore-section {
    padding: 72px 0 64px;
    position: relative;
    overflow: hidden;
    background: #0D1116;
    border-top: 1px solid var(--line-subtle);
}
.explore-section::before {
    content: "";
    position: absolute;
    top: 0;
    right: -80px;
    width: 320px;
    height: 320px;
    background: rgba(200, 241, 53, 0.04);
    border-radius: 50%;
    filter: blur(40px);
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}
.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    position: relative;
    padding-bottom: 12px;
}
.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-primary);
}
.section-link {
    display: inline-block;
    font-size: 14px;
    color: var(--text-mid);
    padding: 10px 0;
    transition: color 0.2s;
}
.section-link:hover { color: var(--accent-primary); }
.section-link span { display: inline-block; transition: transform 0.2s ease; }
.section-link:hover span { transform: translateX(5px); }

.explore-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 24px;
    align-items: stretch;
}
.card-feature {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: flex-end;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border 0.2s;
}
.card-feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--line-strong);
}
.card-feature .card-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}
.card-feature::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(180deg, rgba(14,17,22,0.15) 20%, rgba(14,17,22,0.4) 58%, rgba(14,17,22,0.95) 100%);
}
.card-feature .card-content {
    position: relative;
    z-index: 3;
    padding: 32px;
    width: 100%;
}
.card-feature h3 { font-size: 1.4rem; color: #fff; margin-bottom: 10px; }
.card-feature p { color: #c3ccd6; font-size: 14px; line-height: 1.7; max-width: 360px; }
.card-feature .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    color: var(--accent-primary);
    font-size: 14px;
    font-weight: 700;
}
.card-feature .card-link:hover { color: var(--accent-primary-hover); }
.explore-side {
    display: grid;
    gap: 20px;
}
.card-compact {
    display: flex;
    background: var(--bg-surface);
    border: 1px solid var(--line-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    align-items: center;
    transition: transform 0.2s ease, border 0.2s ease, background 0.2s ease;
}
.card-compact:hover {
    transform: translateX(3px);
    background: var(--bg-raised);
    border-color: var(--line-strong);
}
.card-compact-img {
    width: 128px;
    flex-shrink: 0;
    aspect-ratio: 1.2;
    object-fit: cover;
    align-self: stretch;
}
.card-compact-body { padding: 18px 20px; }
.card-compact-body h3 { font-size: 16px; color: #fff; margin-bottom: 6px; }
.card-compact-body p { font-size: 13px; color: var(--text-mid); line-height: 1.6; }
.card-compact-link { display: inline-flex; margin-top: 12px; color: var(--accent-primary); font-size: 13px; font-weight: 600; }

.cta-band {
    background: #0B0E12;
    padding: 16px 0;
    position: relative;
}
.cta-panel {
    position: relative;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 48px 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border: 1px solid var(--line-subtle);
}
.cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(14,17,22,0.98) 20%, rgba(14,17,22,0.82) 58%, rgba(14,17,22,0.5) 100%);
}
.cta-text { position: relative; z-index: 2; max-width: 640px; }
.cta-text h2 { color: #fff; font-size: 1.6rem; margin-bottom: 10px; }
.cta-text p { color: #c3ccd6; font-size: 15px; margin-top: 6px; }
.cta-action { position: relative; z-index: 2; flex-shrink: 0; }

.to-top {
    position: fixed;
    right: 24px;
    bottom: 28px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 1px solid var(--line-strong);
    color: var(--text-mid);
    background: rgba(14,17,22,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    z-index: 60;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { color: var(--accent-primary); border-color: var(--accent-primary); background: var(--bg-deep); }

.site-footer {
    background: var(--bg-footer);
    border-top: 3px solid var(--accent-primary);
    padding: 60px 0 24px;
    margin-top: 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 0.9fr 1.2fr;
    gap: 44px;
    padding-bottom: 36px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc { font-size: 14px; line-height: 1.8; color: var(--text-mid); max-width: 300px; margin-top: 16px; }
.footer-heading { font-size: 16px; color: #fff; margin-bottom: 18px; font-weight: 700; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-mid); transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-links a:hover { color: var(--accent-primary); padding-left: 5px; }
.footer-note {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--line-subtle);
    color: var(--text-low);
    font-size: 13px;
}
.footer-bottom-links { display: flex; gap: 18px; }
.footer-bottom-links a { color: var(--text-low); transition: color 0.2s ease; }
.footer-bottom-links a:hover { color: var(--accent-primary); }

@media (max-width: 1200px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .nav-menu { gap: 22px; }
}
@media (max-width: 1024px) {
    .layout-split { grid-template-columns: 1fr; }
    .explore-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .navbar { min-height: 64px; }
    .nav-toggle { display: inline-flex; }
    .nav-menu {
        position: fixed;
        top: 64px;
        right: 0;
        bottom: 0;
        width: 82%;
        max-width: 360px;
        background: var(--bg-deep);
        border-left: 1px solid var(--line-subtle);
        flex-direction: column;
        align-items: flex-start;
        padding: 40px 28px;
        gap: 10px;
        transform: translateX(105%);
        transition: transform 0.3s ease;
        z-index: 70;
        overflow-y: auto;
    }
    body.nav-open .nav-menu { transform: translateX(0); }
    .nav-link { width: 100%; padding: 12px 0; font-size: 17px; border-bottom: 1px solid var(--line-subtle); }
    .nav-link.active { color: var(--accent-primary); }
    .nav-action .btn-entry { display: none; }
    .post-body { padding: 28px 22px; }
    .breadcrumb-wrap { overflow-x: auto; }
    .breadcrumb { flex-wrap: nowrap; white-space: nowrap; }
    .cta-panel { flex-direction: column; padding: 32px 24px; align-items: flex-start; }
    .card-compact { flex-direction: column; align-items: stretch; }
    .card-compact-img { width: 100%; aspect-ratio: 16/8; }
    .footer-note { flex-direction: column; align-items: flex-start; }
    .to-top { right: 16px; bottom: 16px; }
}
@media (max-width: 640px) {
    .explore-grid { grid-template-columns: 1fr; }
    .section-head { align-items: flex-start; flex-direction: column; }
    .card-feature .card-content { padding: 24px; }
    .article-nav { display: block; }
    .article-nav-side + .article-nav-side { border-left: none; border-top: 1px solid var(--line-subtle); }
}
@media (max-width: 480px) {
    .page-shell { padding: 34px 0 60px; }
    .post-title { font-size: 1.75rem; }
    .post-meta { gap: 10px 14px; }
    .logo-text { font-size: 16px; }
    .logo-text-sub { font-size: 10px; }
    .post-body { font-size: 16px; padding: 24px 18px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .login-card-inner { display: block; }
    .cta-text h2 { font-size: 1.35rem; }
}
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: category1 */
*,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        :root {
            --bg-deep: #0E1116;
            --bg-surface: #161B22;
            --bg-raised: #1D242E;
            --bg-elevated: #242C38;
            --accent-primary: #C8F135;
            --accent-primary-hover: #DAFF4D;
            --accent-dark: #9DC91F;
            --accent-orange: #FF6A00;
            --accent-orange-hover: #FF8733;
            --text-hi: #F2F5F7;
            --text-mid: #ABB4C0;
            --text-low: #707A88;
            --text-on-accent: #0E1116;
            --line-subtle: #232A34;
            --line-strong: #313C4A;
            --success: #3DD68C;
            --warning: #FFB020;
            --error: #FF5D5D;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 4px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-number: "Barlow Condensed", "Roboto Condensed", "Arial Narrow", sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg-deep);
            color: var(--text-hi);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        body,
        h1,
        h2,
        h3,
        h4,
        p,
        ul,
        figure {
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
        }
        :focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 17, 22, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line-subtle);
        }
        .site-header::after {
            content: "";
            display: block;
            height: 2px;
            width: 42%;
            background: var(--accent-primary);
            opacity: 0.9;
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--accent-primary);
            color: var(--text-on-accent);
            font-family: var(--font-number);
            font-size: 20px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transform: rotate(-4deg);
            box-shadow: 0 0 0 2px var(--bg-deep), 0 0 0 4px rgba(200, 241, 53, 0.35);
        }
        .logo-text {
            color: var(--text-hi);
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
        }
        .logo-text-sub {
            display: block;
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--accent-primary);
            margin-top: 2px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 14px;
            color: var(--text-mid);
            font-size: 15px;
            font-weight: 500;
            border-radius: 6px;
            transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-hi);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--text-hi);
            background: transparent;
            box-shadow: inset 0 -2px 0 var(--accent-primary);
        }
        .nav-action {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-entry {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-orange);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: 8px;
            transition: background 0.2s ease, transform 0.2s ease;
            white-space: nowrap;
        }
        .btn-entry:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--line-strong);
            border-radius: 8px;
            align-items: center;
            justify-content: center;
        }
        .nav-toggle-icon,
        .nav-toggle-icon::before,
        .nav-toggle-icon::after {
            content: "";
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-hi);
            border-radius: 2px;
            transition: transform 0.2s ease;
        }
        .nav-toggle-icon {
            position: relative;
        }
        .nav-toggle-icon::before {
            position: absolute;
            top: -6px;
            left: 0;
        }
        .nav-toggle-icon::after {
            position: absolute;
            top: 6px;
            left: 0;
        }

        /* ========== Buttons ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 26px;
            background: var(--accent-primary);
            color: var(--text-on-accent);
            font-size: 15px;
            font-weight: 700;
            border-radius: 8px;
            border: 1px solid var(--accent-primary);
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
        }
        .btn-primary:hover {
            background: var(--accent-primary-hover);
            border-color: var(--accent-primary-hover);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 26px;
            background: transparent;
            color: var(--text-hi);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--line-strong);
            border-radius: 8px;
            transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
        }
        .btn-outline:hover {
            background: var(--bg-raised);
            border-color: var(--accent-primary);
            color: var(--text-hi);
        }
        .btn-orange {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 52px;
            padding: 0 32px;
            background: var(--accent-orange);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border-radius: 8px;
            box-shadow: 0 0 0 1px rgba(255, 106, 0, 0.2), 0 8px 28px rgba(255, 106, 0, 0.18);
            transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
        }
        .btn-orange:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(255, 106, 0, 0.25), 0 12px 30px rgba(255, 106, 0, 0.26);
        }
        .btn-block {
            width: 100%;
        }
        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--text-mid);
            font-size: 14px;
            font-weight: 600;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .text-link:hover {
            color: var(--accent-primary);
        }
        .text-link:hover span {
            transform: translateX(3px);
        }

        /* ========== Badges / chips ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            height: 24px;
            padding: 0 10px;
            border-radius: 4px;
            border: 1px solid rgba(200, 241, 53, 0.4);
            color: var(--accent-primary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.01em;
        }
        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 24px;
            padding: 0 10px;
            background: rgba(61, 214, 140, 0.12);
            border: 1px solid rgba(61, 214, 140, 0.52);
            color: var(--success);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }
        .status-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            display: inline-block;
            animation: blink 1.8s infinite;
        }
        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.16em;
            color: var(--accent-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .match-league {
            color: var(--text-mid);
            font-size: 13px;
            letter-spacing: 0.06em;
        }
        .time-chip {
            display: inline-flex;
            align-items: center;
            min-height: 28px;
            padding: 0 12px;
            background: var(--bg-elevated);
            color: var(--text-mid);
            font-size: 13px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 18px;
        }
        .breadcrumb a {
            color: var(--text-mid);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb span {
            color: var(--text-low);
        }
        .breadcrumb em {
            color: var(--text-hi);
            font-style: normal;
            font-weight: 600;
        }

        /* ========== Page banner ========== */
        .page-banner {
            padding: 76px 0 56px;
            background: linear-gradient(100deg, rgba(14, 17, 22, 0.96) 0%, rgba(14, 17, 22, 0.68) 56%, rgba(14, 17, 22, 0.46) 100%),
                url("/assets/images/backpic/back-1.webp") center / cover no-repeat var(--bg-deep);
            border-bottom: 1px solid var(--line-subtle);
        }
        .banner-flag {
            font-family: var(--font-number);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.2em;
            color: var(--accent-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .banner-flag::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--accent-primary);
            display: inline-block;
        }
        .page-banner h1 {
            font-size: clamp(1.9rem, 4vw, 2.9rem);
            line-height: 1.18;
            font-weight: 700;
            margin-bottom: 16px;
            max-width: 760px;
        }
        .banner-lead {
            color: var(--text-mid);
            font-size: 1.08rem;
            max-width: 680px;
            margin-bottom: 26px;
            line-height: 1.85;
        }
        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* ========== Channel strip ========== */
        .channel-strip {
            border-bottom: 1px solid var(--line-subtle);
            background: var(--bg-surface);
            position: sticky;
            top: 72px;
            z-index: 90;
        }
        .channel-scroll {
            display: flex;
            align-items: center;
            gap: 2px;
            overflow-x: auto;
            padding: 8px 0;
            scrollbar-width: none;
        }
        .channel-scroll::-webkit-scrollbar {
            display: none;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            color: var(--text-mid);
            font-size: 14px;
            white-space: nowrap;
            border-radius: 6px;
            transition: color 0.2s ease, background 0.2s ease;
        }
        .channel-link:hover {
            color: var(--text-hi);
            background: var(--bg-raised);
        }
        .channel-link.active {
            color: var(--text-hi);
            font-weight: 700;
            box-shadow: inset 0 -2px 0 var(--accent-primary);
        }

        /* ========== Stream section ========== */
        .stream-block {
            padding: 64px 0 48px;
        }
        .stream-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 28px;
            align-items: start;
        }
        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 22px;
        }
        .section-heading h2 {
            font-size: clamp(1.35rem, 2.4vw, 1.8rem);
            line-height: 1.3;
            margin-bottom: 0;
        }
        .section-sub {
            max-width: 680px;
            color: var(--text-mid);
            margin-top: 8px;
            margin-bottom: 0;
        }

        .match-hero {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 20px;
            transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
        }
        .match-hero:hover {
            border-color: var(--line-strong);
            background: var(--bg-raised);
            transform: translateY(-2px);
        }
        .match-hero-media {
            min-height: 220px;
            background: linear-gradient(120deg, rgba(14, 17, 22, 0.06) 0%, rgba(14, 17, 22, 0.45) 90%),
                url("/assets/images/coverpic/cover-1.png") center / cover no-repeat var(--bg-elevated);
            border-right: 1px solid var(--line-subtle);
        }
        .match-hero-body {
            padding: 26px 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .match-meta-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .match-hero-body h3 {
            font-size: 1.3rem;
            line-height: 1.4;
        }
        .match-hero-body p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .match-foot {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: auto;
            padding-top: 10px;
        }

        .stream-duo {
            display: grid;
            grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
            gap: 20px;
            margin-bottom: 24px;
        }
        .stream-panel {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: border-color 0.2s ease, background 0.2s ease;
        }
        .stream-panel:hover {
            border-color: var(--line-strong);
            background: var(--bg-raised);
        }
        .stream-panel h3 {
            font-size: 1.08rem;
            line-height: 1.5;
        }
        .stream-panel p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 6px;
        }
        .stream-panel-link {
            color: var(--accent-primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
            transition: color 0.2s ease;
        }
        .stream-panel-link:hover {
            color: var(--accent-primary-hover);
        }

        .stream-cover-panel {
            position: relative;
            min-height: 240px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line-subtle);
            background: var(--bg-elevated);
            display: flex;
            align-items: flex-end;
        }
        .stream-cover-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent 35%, rgba(14, 17, 22, 0.9) 100%);
        }
        .stream-cover-panel img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cover-caption {
            position: relative;
            z-index: 2;
            padding: 20px;
            color: var(--text-hi);
        }
        .cover-caption h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .cover-caption p {
            font-size: 13px;
            color: var(--text-mid);
            margin-bottom: 10px;
        }
        .cover-link {
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .sub-heading {
            font-size: 1.15rem;
            margin: 18px 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sub-heading::before {
            content: "";
            width: 4px;
            height: 16px;
            background: var(--accent-primary);
            border-radius: 2px;
        }
        .schedule-list {
            display: flex;
            flex-direction: column;
        }
        .schedule-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--line-subtle);
            transition: padding-left 0.2s ease, background 0.2s ease;
        }
        .schedule-row:last-child {
            border-bottom: none;
        }
        .schedule-row:hover {
            background: var(--bg-surface);
            padding-left: 8px;
        }
        .schedule-time {
            flex-shrink: 0;
            width: 70px;
            font-family: var(--font-number);
            font-size: 18px;
            font-weight: 600;
            letter-spacing: 0.02em;
            color: var(--text-hi);
            display: flex;
            flex-direction: column;
            line-height: 1.3;
        }
        .schedule-time small {
            font-family: var(--font-main);
            font-size: 11px;
            color: var(--text-low);
            font-weight: 400;
        }
        .schedule-info {
            flex: 1;
            min-width: 0;
        }
        .schedule-info h4 {
            font-size: 15px;
            margin-bottom: 2px;
            line-height: 1.5;
        }
        .schedule-info p {
            color: var(--text-low);
            font-size: 13px;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .schedule-action {
            flex-shrink: 0;
        }

        /* ========== Aside ========== */
        .stream-aside {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: 150px;
        }
        .aside-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: border-color 0.2s ease;
        }
        .aside-card:hover {
            border-color: var(--line-strong);
        }
        .aside-card.highlight {
            border-color: rgba(200, 241, 53, 0.4);
            background: linear-gradient(180deg, rgba(200, 241, 53, 0.08), rgba(22, 27, 34, 0) 55%), var(--bg-surface);
        }
        .aside-title {
            font-size: 16px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .aside-title::before {
            content: "";
            width: 3px;
            height: 16px;
            background: var(--accent-primary);
            border-radius: 2px;
        }
        .aside-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .aside-card p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .aside-row-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--line-subtle);
        }
        .aside-row-item:last-of-type {
            border-bottom: none;
        }
        .aside-row-left {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-mid);
            font-size: 14px;
        }
        .aside-row-signal {
            color: var(--accent-primary);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tip-line {
            display: flex;
            gap: 10px;
            padding: 8px 0;
            color: var(--text-mid);
            font-size: 14px;
        }
        .tip-line::before {
            content: "●";
            color: var(--success);
            font-size: 10px;
            line-height: 1.9;
        }

        /* ========== Feature zone ========== */
        .feature-zone {
            background: var(--bg-surface);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
            padding: 72px 0;
        }
        .feature-zone .section-heading {
            align-items: flex-start;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        .feature-card {
            background: var(--bg-deep);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            min-height: 180px;
            transition: border-color 0.2s ease, transform 0.2s ease;
        }
        .feature-card:hover {
            border-color: var(--line-strong);
            transform: translateY(-3px);
        }
        .feature-card--c1 {
            grid-column: span 7;
        }
        .feature-card--c2 {
            grid-column: span 5;
        }
        .feature-card--c3 {
            grid-column: span 5;
        }
        .feature-card--c4 {
            grid-column: span 7;
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(200, 241, 53, 0.12);
            border: 1px solid rgba(200, 241, 53, 0.36);
            color: var(--accent-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .feature-icon svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .feature-card h3 {
            font-size: 1.08rem;
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
        }
        .feature-card--accent {
            background: var(--bg-deep);
            border-color: rgba(200, 241, 53, 0.46);
            box-shadow: inset 0 0 0 1px rgba(200, 241, 53, 0.06), 0 8px 24px rgba(0, 0, 0, 0.22);
        }
        .feature-card--accent:hover {
            border-color: var(--accent-primary);
        }

        /* ========== CTA panel ========== */
        .cta-panel {
            background: var(--bg-deep);
            padding: 40px 0;
            border-bottom: 1px solid var(--line-subtle);
        }
        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            background:
                radial-gradient(circle at 84% 40%, rgba(200, 241, 53, 0.12), transparent 42%),
                var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-lg);
            padding: 44px 48px;
        }
        .cta-inner h2 {
            font-size: clamp(1.3rem, 2.4vw, 1.8rem);
            margin-bottom: 8px;
        }
        .cta-inner p {
            color: var(--text-mid);
            font-size: 15px;
            margin: 0;
            max-width: 640px;
        }
        .cta-inner .btn-orange {
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-deep);
            padding: 72px 0 64px;
        }
        .faq-list {
            max-width: 960px;
        }
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease, background 0.2s ease;
        }
        .faq-item[open] {
            border-color: rgba(200, 241, 53, 0.54);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            transition: background 0.2s ease;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: var(--bg-raised);
        }
        .faq-item summary::after {
            content: "+";
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-elevated);
            color: var(--accent-primary);
            border-radius: 6px;
            font-size: 20px;
            line-height: 1;
            font-weight: 400;
            transition: transform 0.25s ease, background 0.2s ease;
        }
        .faq-item[open] summary::after {
            transform: rotate(135deg);
            background: var(--accent-primary);
            color: var(--text-on-accent);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px solid var(--line-subtle);
            margin-top: 0;
            padding-top: 16px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0B0E12;
            border-top: 2px solid var(--accent-primary);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 1.1fr;
            gap: 44px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--line-subtle);
        }
        .footer-brand .logo {
            margin-bottom: 18px;
        }
        .footer-desc {
            color: var(--text-low);
            font-size: 14px;
            line-height: 1.9;
            margin: 14px 0 0;
            max-width: 320px;
        }
        .footer-heading {
            color: var(--text-hi);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-mid);
            font-size: 14px;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 4px;
        }
        .footer-note {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 22px;
            color: var(--text-low);
            font-size: 13px;
        }
        .footer-bottom-links {
            display: flex;
            gap: 18px;
        }
        .footer-bottom-links a {
            color: var(--text-low);
            font-size: 13px;
            transition: color 0.2s ease;
        }
        .footer-bottom-links a:hover {
            color: var(--text-hi);
        }

        /* ========== Scroll top ========== */
        .to-top {
            display: none;
            width: 46px;
            height: 46px;
            background: rgba(29, 36, 46, 0.92);
            border: 1px solid var(--line-strong);
            border-radius: 10px;
            color: var(--text-hi);
            font-size: 20px;
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 99;
        }
        .to-top:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1200px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }
            .stream-grid {
                grid-template-columns: minmax(0, 1fr) 290px;
            }
            .nav-link {
                padding: 10px 12px;
            }
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                row-gap: 36px;
            }
            .stream-grid {
                grid-template-columns: 1fr;
            }
            .stream-aside {
                position: static;
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                align-items: stretch;
            }
            .stream-aside .aside-card {
                padding: 20px;
            }
            .feature-card--c1,
            .feature-card--c2,
            .feature-card--c3,
            .feature-card--c4 {
                grid-column: span 6;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .navbar {
                min-height: 64px;
            }
            .channel-strip {
                top: 64px;
            }
            .page-banner {
                padding: 56px 0 40px;
            }
            .stream-block {
                padding-top: 44px;
            }
            .match-hero {
                grid-template-columns: 1fr;
            }
            .match-hero-media {
                min-height: 180px;
                border-right: none;
                border-bottom: 1px solid var(--line-subtle);
            }
            .stream-duo {
                grid-template-columns: 1fr;
            }
            .stream-aside {
                grid-template-columns: 1fr;
            }
            .feature-zone {
                padding: 56px 0;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-card--c1,
            .feature-card--c2,
            .feature-card--c3,
            .feature-card--c4 {
                grid-column: span 1;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 28px;
            }
            .cta-inner .btn-orange {
                width: 100%;
                justify-content: center;
            }
            .faq-section {
                padding: 56px 0 48px;
            }
            .section-heading {
                align-items: flex-start;
                flex-direction: column;
            }
            .site-footer {
                padding-top: 44px;
            }
            .footer-note {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo-text {
                font-size: 16px;
            }
            .btn-entry span:last-child {
                display: none;
            }
            .btn-entry {
                padding: 10px 14px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                row-gap: 28px;
            }
            .schedule-row {
                align-items: flex-start;
                flex-wrap: wrap;
            }
            .schedule-time {
                width: auto;
                flex-direction: row;
                align-items: baseline;
                gap: 4px;
                font-size: 16px;
            }
            .schedule-info p {
                white-space: normal;
            }
            .schedule-action {
                width: 100%;
            }
            .schedule-action .btn-outline {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0E1116;
            --bg-surface: #161B22;
            --bg-raised: #1D242E;
            --bg-elevated: #242C38;
            --accent-primary: #C8F135;
            --accent-primary-hover: #DAFF4D;
            --accent-dark: #9DC91F;
            --accent-orange: #FF6A00;
            --text-hi: #F2F5F7;
            --text-mid: #ABB4C0;
            --text-low: #707A88;
            --text-on-accent: #0E1116;
            --line-subtle: #232A34;
            --line-strong: #313C4A;
            --success: #3DD68C;
            --warning: #FFB020;
            --error: #FF5D5D;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-float: 0 14px 36px rgba(0, 0, 0, 0.34);
            --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-num: "Barlow Condensed", "Roboto Condensed", "Arial Narrow", sans-serif;
            --space-section: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            background-color: var(--bg-deep);
            color: var(--text-hi);
            -webkit-font-smoothing: antialiased;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        .container {
            width: min(1200px, 100% - 40px);
            margin-inline: auto;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(14, 17, 22, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line-subtle);
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .site-header::after {
            content: "";
            display: block;
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 40%;
            height: 2px;
            background: var(--accent-primary);
            opacity: 0.85;
            pointer-events: none;
        }

        .site-header.scrolled {
            background: rgba(14, 17, 22, 0.82);
            border-bottom-color: rgba(49, 60, 74, 0.6);
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            line-height: 1.3;
            position: relative;
            z-index: 2;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            flex: 0 0 42px;
            display: grid;
            place-items: center;
            background: var(--accent-primary);
            color: var(--text-on-accent);
            font-weight: 800;
            font-size: 17px;
            font-family: var(--font-num);
            letter-spacing: 0.02em;
            border-radius: 8px 2px 8px 2px;
            box-shadow: 0 0 0 1px rgba(200, 241, 53, 0.3), 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            display: flex;
            flex-direction: column;
        }

        .logo-text-sub {
            font-size: 11px;
            color: var(--accent-primary);
            font-weight: 500;
            letter-spacing: 0.08em;
            line-height: 1.1;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 22px;
            min-height: 74px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-menu .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            padding: 8px 0;
            position: relative;
            line-height: 1.5;
            display: inline-block;
        }

        .nav-menu .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            transform: translateX(-50%);
            transition: width 0.24s ease;
        }

        .nav-menu .nav-link:hover {
            color: var(--text-hi);
        }

        .nav-menu .nav-link:hover::after {
            width: 100%;
        }

        .nav-menu .nav-link.active {
            color: var(--text-hi);
            font-weight: 600;
        }

        .nav-menu .nav-link.active::after {
            width: 100%;
        }

        .nav-action {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-entry {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 42px;
            padding: 0 20px;
            border-radius: 8px 2px 8px 2px;
            background: var(--bg-elevated);
            border: 1px solid var(--line-strong);
            color: var(--text-hi);
            font-size: 14px;
            font-weight: 600;
            transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
        }

        .btn-entry:hover {
            background: var(--bg-raised);
            border-color: var(--accent-primary);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--line-strong);
            border-radius: 10px;
        }

        .nav-toggle-icon,
        .nav-toggle-icon::before,
        .nav-toggle-icon::after {
            content: "";
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-hi);
            border-radius: 2px;
            position: relative;
            transition: transform 0.25s, opacity 0.2s;
        }

        .nav-toggle-icon::before {
            position: absolute;
            top: -6px;
        }

        .nav-toggle-icon::after {
            position: absolute;
            top: 6px;
        }

        .nav-toggle.open .nav-toggle-icon {
            background: transparent;
        }

        .nav-toggle.open .nav-toggle-icon::before {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.open .nav-toggle-icon::after {
            transform: translateY(-6px) rotate(-45deg);
        }

        .category-banner {
            position: relative;
            padding: 180px 0 64px;
            background:
                radial-gradient(circle at 78% 32%, rgba(200, 241, 53, 0.12) 0%, rgba(200, 241, 53, 0) 32%),
                linear-gradient(100deg, rgba(14, 17, 22, 0.96) 20%, rgba(14, 17, 22, 0.66) 60%, rgba(14, 17, 22, 0.74) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover;
            border-bottom: 1px solid var(--line-subtle);
            overflow: hidden;
        }

        .category-banner::before {
            content: "";
            position: absolute;
            left: -30px;
            top: 0;
            width: 220px;
            height: 100%;
            background: linear-gradient(115deg, transparent 0%, rgba(200, 241, 53, 0.05) 100%);
            pointer-events: none;
        }

        .banner-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: end;
            position: relative;
            z-index: 2;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 241, 53, 0.1);
            color: var(--accent-primary);
            border: 1px solid rgba(200, 241, 53, 0.24);
            border-radius: 4px;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: 0.04em;
        }

        .banner-tag .live-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(200, 241, 53, 0.18);
            animation: pulse-dot 1.6s infinite alternate;
        }

        @keyframes pulse-dot {
            from {
                transform: scale(1);
                opacity: 1;
            }
            to {
                transform: scale(1.4);
                opacity: 0.72;
            }
        }

        .category-banner h1 {
            font-size: clamp(1.9rem, 4.5vw, 3rem);
            line-height: 1.2;
            font-weight: 800;
            color: var(--text-hi);
            letter-spacing: 0.01em;
            max-width: 720px;
        }

        .category-banner h1 .txt-line {
            color: var(--accent-primary);
        }

        .category-banner .banner-desc {
            font-size: 1.06rem;
            color: var(--text-mid);
            margin-top: 18px;
            line-height: 1.85;
            max-width: 560px;
        }

        .banner-overline {
            display: inline-block;
            width: 48px;
            height: 2px;
            background: var(--accent-primary);
            margin-bottom: 18px;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 28px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(22, 27, 34, 0.76);
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-sm);
            padding: 9px 16px;
            font-size: 14px;
            color: var(--text-hi);
            font-weight: 500;
        }

        .meta-item .signal {
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--accent-primary);
        }

        .meta-item .signal.orange {
            background: var(--accent-orange);
        }

        .banner-stats {
            background: rgba(22, 27, 34, 0.8);
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(6px);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .banner-stats::before {
            content: "";
            position: absolute;
            left: 0;
            top: 24px;
            bottom: 24px;
            width: 3px;
            background: var(--accent-primary);
        }

        .banner-stats h2 {
            font-size: 16px;
            color: var(--text-hi);
            margin-bottom: 12px;
        }

        .banner-stats .stat-number {
            font-size: clamp(1.7rem, 3vw, 2.6rem);
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--accent-primary);
            line-height: 1;
        }

        .banner-stats .stat-label {
            font-size: 14px;
            color: var(--text-mid);
            margin-top: 8px;
            padding-bottom: 18px;
        }

        .banner-stats .stat-divider {
            height: 1px;
            background: var(--line-subtle);
            margin: 4px 0 18px;
        }

        .main-section {
            padding: var(--space-section) 0;
            position: relative;
        }

        .main-section.tight {
            padding: 70px 0;
        }

        .main-section.alt-surface {
            background: var(--bg-deep);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 42px;
        }

        .section-heading .head-left {
            max-width: 760px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent-primary);
            display: inline-block;
            vertical-align: middle;
        }

        .section-heading h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-hi);
            margin-top: 8px;
        }

        .section-heading p.subtitle {
            margin-top: 14px;
            color: var(--text-mid);
            font-size: 16px;
            line-height: 1.8;
            max-width: 680px;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mid);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
        }

        .text-link span {
            transition: transform 0.2s ease;
        }

        .text-link:hover {
            color: var(--accent-primary);
        }

        .text-link:hover span {
            transform: translateX(3px);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .matrix-card {
            position: relative;
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
            transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            overflow: hidden;
        }

        .matrix-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-primary) 0 25%, transparent 25%);
            opacity: 0;
            transition: opacity 0.25s;
        }

        .matrix-card:hover {
            transform: translateY(-4px);
            background: var(--bg-raised);
            border-color: var(--line-strong);
            box-shadow: var(--shadow-float);
        }

        .matrix-card:hover::before {
            opacity: 1;
        }

        .matrix-card.cut-corner::after {
            content: "";
            position: absolute;
            right: 0;
            bottom: 0;
            width: 54px;
            height: 54px;
            background: linear-gradient(135deg, transparent 50%, rgba(200, 241, 53, 0.12) 50%);
            pointer-events: none;
        }

        .matrix-topline {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            margin-bottom: 16px;
        }

        .matrix-index {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-low);
            letter-spacing: 0.08em;
            display: inline-flex;
            align-items: center;
            gap: 12px;
        }

        .matrix-index::before {
            content: "";
            display: inline-block;
            width: 24px;
            height: 1px;
            background: var(--line-strong);
        }

        .matrix-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-primary);
            background: rgba(200, 241, 53, 0.08);
            border: 1px solid rgba(200, 241, 53, 0.2);
            border-radius: 4px;
            padding: 3px 10px;
        }

        .matrix-title {
            font-size: 1.36rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .matrix-card p {
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.8;
        }

        .matrix-card p + .tag-row {
            margin-top: 20px;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            min-height: 28px;
            padding: 0 12px;
            gap: 6px;
            background: var(--bg-raised);
            border: 1px solid var(--line-subtle);
            border-radius: 4px;
            color: var(--text-mid);
            font-size: 12px;
        }

        .tag-item .tag-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent-primary);
        }

        .tag-item.orange-tag .tag-dot {
            background: var(--accent-orange);
        }

        .tier-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
            padding: var(--space-section) 0;
        }

        .tier-rail {
            display: flex;
            flex-direction: column;
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .tier-row {
            display: grid;
            grid-template-columns: 180px 1fr auto;
            gap: 28px;
            align-items: center;
            background: var(--bg-surface);
            padding: 26px 28px;
            border-bottom: 1px solid var(--line-subtle);
            transition: background 0.25s ease;
            position: relative;
        }

        .tier-row:last-child {
            border-bottom: none;
        }

        .tier-row::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: transparent;
            transition: background 0.2s;
        }

        .tier-row:hover {
            background: var(--bg-raised);
        }

        .tier-row:hover::before {
            background: var(--accent-primary);
        }

        .tier-row.top-tier::before {
            background: var(--accent-orange);
        }

        .tier-head .tier-name {
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .tier-name .tier-icon {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 14px;
            background: var(--bg-elevated);
            border: 1px solid var(--line-strong);
        }

        .tier-badge {
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 3px;
            color: var(--accent-primary);
            background: rgba(200, 241, 53, 0.12);
            border: 1px solid rgba(200, 241, 53, 0.28);
        }

        .tier-badge.orange {
            color: var(--accent-orange);
            background: rgba(255, 106, 0, 0.12);
            border-color: rgba(255, 106, 0, 0.32);
        }

        .tier-head p {
            color: var(--text-low);
            font-size: 13px;
        }

        .tier-perks {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            line-height: 1;
        }

        .perk-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            min-height: 30px;
            padding: 0 14px;
            background: var(--bg-deep);
            border-radius: 20px;
            color: var(--text-mid);
            border: 1px solid var(--line-subtle);
            font-size: 13px;
        }

        .perk-chip::before {
            content: "✓";
            color: var(--accent-primary);
            font-weight: 700;
        }

        .tier-btn {
            min-height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            border: 1px solid var(--line-strong);
            color: var(--text-hi);
            transition: all 0.2s ease;
        }

        .tier-btn:hover {
            border-color: var(--accent-primary);
            background: rgba(200, 241, 53, 0.08);
            color: var(--text-hi);
        }

        .tier-btn.primary {
            background: var(--accent-primary);
            color: var(--text-on-accent);
            border-color: transparent;
            font-weight: 700;
        }

        .tier-btn.primary:hover {
            background: var(--accent-primary-hover);
        }

        .tier-btn.orange {
            background: var(--accent-orange);
            color: var(--text-on-accent);
            border-color: transparent;
            font-weight: 700;
        }

        .tier-btn.orange:hover {
            background: #FF7E1A;
            box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.14);
        }

        .preview-box {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-lg);
            background: var(--bg-surface);
            overflow: hidden;
        }

        .preview-media {
            position: relative;
            min-height: 320px;
            background:
                linear-gradient(180deg, rgba(14, 17, 22, 0.05), rgba(14, 17, 22, 0.85)),
                url('/assets/images/coverpic/cover-8.webp') center/cover;
        }

        .preview-media .lock-box {
            position: absolute;
            top: 18px;
            left: 18px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(14, 17, 22, 0.7);
            color: var(--accent-primary);
            border: 1px solid rgba(200, 241, 53, 0.3);
            border-radius: 5px;
            padding: 7px 12px;
            font-size: 13px;
            font-weight: 600;
            backdrop-filter: blur(5px);
        }

        .preview-media .duotone {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 25%, rgba(200, 241, 53, 0.1) 70%, rgba(14, 17, 22, 0.9) 100%);
        }

        .preview-caption {
            position: absolute;
            left: 22px;
            right: 22px;
            bottom: 20px;
            color: var(--text-hi);
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            z-index: 2;
        }

        .preview-caption small {
            display: block;
            font-size: 12px;
            font-weight: 400;
            color: var(--text-mid);
            margin-bottom: 4px;
        }

        .preview-content {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .preview-content .sm-badge {
            color: var(--accent-primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .preview-content h2 {
            font-size: 1.7rem;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .preview-content p {
            color: var(--text-mid);
            font-size: 15px;
            margin-bottom: 16px;
        }

        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 14px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 28px;
            border-radius: 8px 2px 8px 2px;
            font-size: 15px;
            font-weight: 700;
            transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--accent-primary);
            color: var(--text-on-accent);
        }

        .btn-primary:hover {
            background: var(--accent-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(200, 241, 53, 0.14);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--line-strong);
            color: var(--text-hi);
        }

        .btn-outline:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(200, 241, 53, 0.06);
        }

        .btn-orange {
            background: var(--accent-orange);
            color: #FFFFFF;
        }

        .btn-orange:hover {
            background: #FF7A1E;
            box-shadow: 0 12px 26px rgba(255, 106, 0, 0.2);
            transform: translateY(-1px);
        }

        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .step-block {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            position: relative;
            transition: border-color 0.25s, background 0.25s;
        }

        .step-block:hover {
            border-color: var(--line-strong);
            background: var(--bg-raised);
        }

        .step-number {
            font-family: var(--font-num);
            font-size: 2rem;
            color: var(--accent-primary);
            font-weight: 700;
            line-height: 1;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .step-number::after {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--line-strong);
        }

        .step-block h3 {
            font-size: 1.16rem;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .step-block p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 34px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            transition: border-color 0.2s, background 0.2s;
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: var(--line-strong);
            background: var(--bg-raised);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            text-align: left;
            color: var(--text-hi);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
        }

        .faq-icon {
            position: relative;
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 1px solid var(--line-strong);
            transition: transform 0.3s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--accent-primary);
        }

        .faq-icon::before {
            left: 50%;
            top: 8px;
            bottom: 8px;
            width: 2px;
            transform: translateX(-50%);
        }

        .faq-icon::after {
            top: 50%;
            left: 8px;
            right: 8px;
            height: 2px;
            transform: translateY(-50%);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: rgba(200, 241, 53, 0.15);
            border-color: var(--accent-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            color: var(--text-mid);
            font-size: 15px;
            background: var(--bg-deep);
            transition: max-height 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            line-height: 1.85;
        }

        .cta-panel {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-lg);
            padding: 58px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            right: 6%;
            top: -130px;
            background: radial-gradient(circle, rgba(200, 241, 53, 0.14) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel::after {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, var(--accent-primary) 0%, var(--accent-orange) 100%);
        }

        .cta-body {
            max-width: 650px;
            position: relative;
            z-index: 1;
        }

        .cta-body h2 {
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .cta-body p {
            color: var(--text-mid);
            font-size: 15px;
        }

        .cta-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .site-footer {
            background: #0B0E12;
            border-top: 1px solid var(--line-subtle);
            padding: 60px 0 24px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            display: block;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-primary) 0%, transparent 28%);
            opacity: 0.7;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.95fr 1fr;
            gap: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-text {
            font-size: 17px;
        }

        .footer-desc {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.85;
            margin-top: 8px;
            max-width: 320px;
        }

        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-hi);
            padding-bottom: 12px;
            margin-bottom: 14px;
            position: relative;
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 22px;
            height: 2px;
            background: var(--accent-primary);
        }

        .footer-links li {
            display: flex;
        }

        .footer-links a {
            display: inline-block;
            padding: 6px 0;
            min-height: 26px;
            color: var(--text-mid);
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 6px;
        }

        .footer-note {
            border-top: 1px solid var(--line-subtle);
            margin-top: 48px;
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-low);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
        }

        .footer-bottom-links a {
            color: var(--text-low);
            font-size: 13px;
            transition: color 0.2s;
        }

        .footer-bottom-links a:hover {
            color: var(--text-hi);
        }

        :focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .main {
            padding-top: 74px;
        }

        @media (max-width: 1200px) {
            .container {
                width: min(100% - 40px, 1004px);
            }

            .banner-grid {
                grid-template-columns: 1.1fr 0.9fr;
            }

            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 1024px) {
            :root {
                --space-section: 76px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 34px;
            }

            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }

            .preview-box {
                grid-template-columns: 1fr;
            }

            .preview-media {
                min-height: 260px;
            }

            .tier-row {
                grid-template-columns: 140px 1fr;
            }

            .tier-btn-wrapper {
                grid-column: 1 / -1;
            }
        }

        @media (min-width: 769px) {
            .nav-toggle.check-state {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 64px;
            }

            .navbar {
                min-height: 66px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-menu {
                position: fixed;
                top: 0;
                right: 0;
                width: 82%;
                max-width: 340px;
                height: 100vh;
                height: 100dvh;
                background: var(--bg-deep);
                border-left: 1px solid var(--line-strong);
                padding: 104px 26px 36px;
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                transform: translateX(103%);
                transition: transform 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);
                overflow-y: auto;
                z-index: 10;
                box-shadow: -20px 0 44px rgba(0, 0, 0, 0.4);
            }

            .nav-menu.active {
                transform: translateX(0);
            }

            .nav-menu .nav-link {
                display: flex;
                align-items: center;
                font-size: 17px;
                padding: 14px 6px;
                border-bottom: 1px solid var(--line-subtle);
                color: var(--text-mid);
                min-height: 48px;
            }

            .nav-menu .nav-link::after {
                display: none;
            }

            .nav-menu .nav-link.active {
                color: var(--accent-primary);
            }

            .nav-action .btn-entry {
                display: none;
            }

            .nav-action {
                margin-left: auto;
            }

            .category-banner {
                padding: 140px 0 46px;
            }

            .banner-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .banner-stats {
                max-width: 420px;
                padding: 24px;
            }

            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                margin-bottom: 30px;
            }

            .matrix-grid {
                grid-template-columns: 1fr;
            }

            .preview-content {
                padding: 28px;
            }

            .steps-wrap {
                grid-template-columns: 1fr;
            }

            .tier-row {
                grid-template-columns: 1fr;
                padding: 22px 20px;
            }

            .cta-panel {
                flex-direction: column;
                align-items: stretch;
                padding: 42px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-note {
                align-items: flex-start;
                flex-direction: column;
            }
        }

        @media (max-width: 480px) {
            .container {
                width: calc(100% - 32px);
            }

            :root {
                --space-section: 50px;
            }

            .logo-mark {
                width: 38px;
                height: 38px;
                flex-basis: 38px;
            }

            .logo-text {
                font-size: 15px;
            }

            .category-banner {
                padding-top: 126px;
            }

            .category-banner h1 {
                font-size: 1.75rem;
            }

            .banner-meta {
                justify-content: stretch;
            }

            .meta-item {
                flex: 1 1 auto;
            }

            .section-heading h2 {
                font-size: 1.5rem;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .btn-group {
                flex-direction: column;
            }

            .preview-caption {
                font-size: 15px;
            }

            .footer-note {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-deep: #0E1116;
            --bg-surface: #161B22;
            --bg-raised: #1D242E;
            --bg-elevated: #242C38;
            --accent-primary: #C8F135;
            --accent-primary-hover: #DAFF4D;
            --accent-dark: #9DC91F;
            --accent-orange: #FF6A00;
            --accent-orange-hover: #FF8430;
            --text-hi: #F2F5F7;
            --text-mid: #ABB4C0;
            --text-low: #707A88;
            --line-subtle: #232A34;
            --line-strong: #313C4A;
            --success: #3DD68C;
            --warning: #FFB020;
            --error: #FF5D5D;
            --radius-btn: 8px;
            --radius-card: 16px;
            --radius-inner: 12px;
            --max-w: 1200px;
            --header-h: 76px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --font-num: "Barlow Condensed", "Roboto Condensed", "Arial Narrow", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-deep);
            color: var(--text-mid);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        body.no-scroll {
            overflow: hidden;
        }

        img {
            display: block;
            max-width: 100%;
            height: auto;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        summary {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        ul,
        li {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            color: var(--text-hi);
            font-weight: 700;
            line-height: 1.45;
            text-wrap: balance;
        }

        h1 {
            font-size: clamp(1.9rem, 4vw, 2.7rem);
        }

        h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
        }

        h3 {
            font-size: 1.2rem;
        }

        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
            border-radius: 6px;
        }

        ::selection {
            background: rgba(200, 241, 53, 0.22);
            color: #fff;
        }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 88px 0;
        }

        .section-pad-lg {
            padding: 104px 0;
        }

        .section-pad-sm {
            padding: 44px 0;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.18em;
            color: var(--accent-primary);
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 8px;
            height: 8px;
            background: var(--accent-primary);
            display: inline-block;
            transform: rotate(45deg);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            min-height: 46px;
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.95rem;
            line-height: 1;
            background: transparent;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background 0.28s ease, color 0.28s ease, border-color 0.28s ease, transform 0.22s ease, box-shadow 0.28s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-primary);
            color: #0B0E12;
        }

        .btn-primary:hover {
            background: var(--accent-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(200, 241, 53, 0.16);
        }

        .btn-primary:active {
            transform: translateY(1px);
            background: var(--accent-dark);
        }

        .btn-outline {
            border-color: rgba(200, 241, 53, 0.48);
            color: var(--text-hi);
        }

        .btn-outline:hover {
            border-color: var(--accent-primary);
            background: rgba(200, 241, 53, 0.08);
            color: var(--accent-primary);
        }

        .btn-orange {
            background: var(--accent-orange);
            color: #101010;
        }

        .btn-orange:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 106, 0, 0.22);
        }

        .btn-lg {
            min-height: 52px;
            padding: 15px 30px;
            font-size: 1rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(14, 17, 22, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(35, 42, 52, 0.72);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }

        .site-header.is-scrolled {
            background: rgba(12, 15, 19, 0.96);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .site-header::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 42%;
            height: 2px;
            background: var(--accent-primary);
        }

        .navbar {
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--accent-primary);
            color: #0B0E12;
            font-family: var(--font-num);
            font-size: 1rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transform: skewX(-4deg);
            letter-spacing: -0.02em;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-hi);
            letter-spacing: 0.04em;
        }

        .logo-text-sub {
            font-size: 0.68rem;
            font-weight: 500;
            color: var(--text-low);
            letter-spacing: 0.2em;
            margin-top: 2px;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            position: relative;
            color: var(--text-mid);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.24s ease;
            padding: 8px 2px;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            height: 2px;
            width: 0;
            background: var(--accent-primary);
            transition: width 0.24s ease;
        }

        .nav-link:hover {
            color: var(--text-hi);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--text-hi);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-action {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-entry {
            min-height: 40px;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            background: rgba(255, 106, 0, 0.16);
            color: #FFB779;
            border: 1px solid rgba(255, 106, 0, 0.35);
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }

        .btn-entry:hover {
            background: var(--accent-orange);
            color: #150e08;
            border-color: var(--accent-orange);
        }

        .nav-toggle {
            width: 44px;
            height: 44px;
            display: none;
            background: var(--bg-raised);
            border: 1px solid var(--line-subtle);
            border-radius: 10px;
            cursor: pointer;
            position: relative;
            z-index: 10;
        }

        .nav-toggle-icon,
        .nav-toggle-icon::before,
        .nav-toggle-icon::after {
            content: "";
            position: absolute;
            left: 50%;
            width: 20px;
            height: 2px;
            background: var(--text-hi);
            transform: translate(-50%, -50%);
            transition: all 0.28s ease;
        }

        .nav-toggle-icon {
            top: 50%;
            transform: translate(-50%, -50%);
        }

        .nav-toggle-icon::before {
            top: -7px;
            transform: translateX(-50%);
        }

        .nav-toggle-icon::after {
            top: 7px;
            transform: translateX(-50%);
        }

        .nav-toggle.open .nav-toggle-icon {
            background: transparent;
        }

        .nav-toggle.open .nav-toggle-icon::before {
            top: 0;
            transform: translateX(-50%) rotate(45deg);
        }

        .nav-toggle.open .nav-toggle-icon::after {
            top: 0;
            transform: translateX(-50%) rotate(-45deg);
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent-primary);
        }

        .page-hero {
            position: relative;
            min-height: 520px;
            padding: 140px 0 92px;
            background: linear-gradient(90deg, rgba(14, 17, 22, 0.95) 12%, rgba(14, 17, 22, 0.72) 58%, rgba(14, 17, 22, 0.48) 100%), linear-gradient(160deg, rgba(200, 241, 53, 0.08), transparent 42%), url("/assets/images/backpic/back-2.webp") center 28% / cover no-repeat;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 280px;
            height: 2px;
            background: var(--accent-primary);
            z-index: 2;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            right: -160px;
            top: 64px;
            width: 480px;
            height: 480px;
            border: 1px solid rgba(200, 241, 53, 0.13);
            border-radius: 50%;
            box-shadow: 0 0 0 42px rgba(200, 241, 53, 0.03), 0 0 0 86px rgba(200, 241, 53, 0.02);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-low);
            margin-bottom: 20px;
        }

        .breadcrumb a:hover {
            color: var(--accent-primary);
        }

        .breadcrumb span {
            color: var(--text-low);
        }

        .breadcrumb .current {
            color: var(--text-mid);
        }

        .hero-title {
            max-width: 760px;
            margin-top: 12px;
        }

        .hero-title .outline-inline {
            color: var(--accent-primary);
        }

        .hero-sub-copy {
            max-width: 640px;
            margin-top: 22px;
            color: var(--text-mid);
            font-size: 1.02rem;
            line-height: 1.9;
        }

        .hero-actions {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 34px;
        }

        .badge-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 30px;
            padding: 5px 14px;
            border-radius: 100px;
            background: rgba(200, 241, 53, 0.08);
            border: 1px solid rgba(200, 241, 53, 0.28);
            color: #D7F77D;
            font-size: 0.84rem;
            font-weight: 600;
        }

        .badge-light.stable::before {
            content: "";
            width: 7px;
            height: 7px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(61, 214, 140, 0.16);
        }

        .kpi-strip {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            margin-top: 48px;
            background: rgba(14, 17, 22, 0.64);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            backdrop-filter: blur(6px);
        }

        .kpi-item {
            padding: 20px 24px;
            border-right: 1px solid var(--line-subtle);
            background: linear-gradient(180deg, rgba(200, 241, 53, 0.03), transparent 90%);
        }

        .kpi-item:last-child {
            border-right: 0;
        }

        .kpi-num {
            font-family: var(--font-num);
            color: var(--text-hi);
            font-size: 1.8rem;
            font-weight: 800;
            line-height: 1.2;
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .kpi-num small {
            font-size: 0.9rem;
            color: var(--text-mid);
            font-weight: 500;
        }

        .kpi-item p {
            margin-top: 5px;
            color: var(--text-low);
            font-size: 0.85rem;
        }

        .chipbar {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 6px;
            margin-top: 28px;
            scrollbar-width: none;
        }

        .chipbar::-webkit-scrollbar {
            display: none;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 9px 18px;
            border-radius: 100px;
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            color: var(--text-mid);
            font-size: 0.84rem;
            font-weight: 500;
            transition: all 0.24s ease;
            white-space: nowrap;
        }

        .chip:hover {
            color: var(--accent-primary);
            border-color: var(--accent-primary);
        }

        .cover-banner {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            padding: 34px;
            background: linear-gradient(100deg, rgba(14, 17, 22, 0.96), rgba(14, 17, 22, 0.72)), url("/assets/images/coverpic/cover-4.png") center / cover no-repeat;
            border: 1px solid var(--line-subtle);
            margin-top: 42px;
        }

        .cover-banner h3 {
            font-size: 1.5rem;
            margin-bottom: 8px;
        }

        .cover-banner p {
            max-width: 500px;
            color: var(--text-mid);
        }

        .cover-banner-mini {
            background: transparent;
        }

        .section-wrap {
            background: var(--bg-deep);
            border-bottom: 1px solid var(--line-subtle);
        }

        .section-wrap.alt {
            background: #10141A;
        }

        .guide-layout {
            padding: 72px 0 96px;
            display: grid;
            grid-template-columns: minmax(0, 1fr) 326px;
            gap: clamp(28px, 4vw, 46px);
            align-items: start;
        }

        .guide-main {
            min-width: 0;
        }

        .guide-side {
            position: sticky;
            top: 104px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .side-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-card);
            padding: 24px;
        }

        .side-cardTitle {
            color: var(--text-hi);
            font-size: 1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-cardTitle::before {
            content: "";
            width: 3px;
            height: 16px;
            background: var(--accent-primary);
            border-radius: 4px;
        }

        .side-link-group {
            margin-top: 18px;
        }

        .side-link-group li a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 10px 2px;
            border-bottom: 1px solid rgba(35, 42, 52, 0.6);
            font-size: 0.9rem;
            color: var(--text-mid);
            transition: all 0.22s ease;
        }

        .side-link-group li a::after {
            content: "›";
            font-size: 1.1rem;
            color: var(--text-low);
            transition: color 0.2s ease, transform 0.2s ease;
        }

        .side-link-group li a:hover {
            color: var(--accent-primary);
            padding-left: 8px;
        }

        .side-link-group li a:hover::after {
            color: var(--accent-primary);
            transform: translateX(2px);
        }

        .status-card {
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-card);
            background: linear-gradient(180deg, rgba(200, 241, 53, 0.06), transparent), var(--bg-surface);
            padding: 22px 22px 20px;
        }

        .status-line {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mid);
            font-size: 0.85rem;
        }

        .status-dot {
            width: 9px;
            height: 9px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(61, 214, 140, 0.12);
            animation: breathe 2.2s infinite ease-in-out;
        }

        @keyframes breathe {
            0%,
            100% {
                opacity: 1;
                transform: scale(0.95);
            }
            50% {
                opacity: 0.68;
                transform: scale(1.05);
            }
        }

        .status-card h4 {
            margin-top: 16px;
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .status-card p {
            font-size: 0.84rem;
            color: var(--text-low);
            line-height: 1.7;
        }

        .intro-note {
            margin-bottom: 32px;
        }

        .intro-note h2 {
            margin-top: 12px;
            max-width: 600px;
        }

        .intro-note p {
            max-width: 720px;
            margin-top: 14px;
        }

        .steps-stack {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }

        .step-card {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: border-color 0.28s ease, background 0.28s ease, transform 0.28s ease;
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--accent-primary);
            transition: height 0.3s ease;
        }

        .step-card:hover {
            border-color: rgba(200, 241, 53, 0.5);
            background: #19202A;
            transform: translateY(-2px);
        }

        .step-card:hover::before {
            height: 100%;
        }

        .step-head {
            display: flex;
            align-items: flex-start;
            gap: 18px;
        }

        .step-number {
            width: 68px;
            height: 68px;
            flex: 0 0 68px;
            display: grid;
            place-items: center;
            border-radius: 18px;
            background: #0A0D12;
            border: 1px solid rgba(200, 241, 53, 0.7);
            font-family: var(--font-num);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-primary);
            letter-spacing: -0.03em;
            box-shadow: 0 0 0 6px rgba(200, 241, 53, 0.04);
        }

        .step-headline {
            padding-top: 4px;
        }

        .step-tag {
            display: inline-block;
            color: var(--accent-primary);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.15em;
        }

        .step-headline h3 {
            font-size: 1.28rem;
            margin-top: 3px;
        }

        .step-content {
            margin-top: 20px;
            padding-left: 86px;
            display: none;
        }

        .step-card.is-active .step-content {
            display: block;
        }

        @media (min-width: 900px) {
            .step-card.steps-expose .step-content {
                display: block;
            }
        }

        .step-content p {
            max-width: 700px;
        }

        .check-list {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px 18px;
            margin-top: 16px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--text-mid);
            font-size: 0.92rem;
            padding: 12px 14px;
            background: var(--bg-deep);
            border: 1px solid rgba(35, 42, 52, 0.6);
            border-radius: 10px;
        }

        .check-list li::before {
            content: "✓";
            flex: 0 0 auto;
            width: 18px;
            height: 18px;
            background: rgba(200, 241, 53, 0.15);
            color: var(--accent-primary);
            border-radius: 50%;
            display: inline-grid;
            place-items: center;
            font-size: 0.8rem;
            font-weight: 800;
            margin-top: 2px;
        }

        .method-list {
            display: grid;
            gap: 12px;
            margin-top: 18px;
        }

        .method-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--bg-deep);
            border: 1px solid rgba(35, 42, 52, 0.5);
            border-radius: var(--radius-inner);
            padding: 16px 18px;
        }

        .method-index {
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            border-radius: 10px;
            background: var(--bg-raised);
            color: var(--accent-primary);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 0.9rem;
            display: grid;
            place-items: center;
            border: 1px solid var(--line-subtle);
        }

        .method-item h4 {
            font-size: 0.95rem;
        }

        .method-item p {
            font-size: 0.86rem;
            color: var(--text-low);
        }

        .step-media {
            margin-top: 22px;
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
            gap: 20px;
            align-items: stretch;
        }

        .media-block {
            background: var(--bg-deep);
            border-radius: var(--radius-inner);
            overflow: hidden;
            border: 1px solid var(--line-subtle);
        }

        .media-block img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .media-caption {
            padding: 15px 18px;
            font-size: 0.84rem;
            color: var(--text-low);
        }

        .media-caption strong {
            color: var(--text-mid);
            display: block;
            font-weight: 600;
        }

        .live-demo {
            background: var(--bg-deep);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-inner);
            padding: 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .live-demo-head {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-primary);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            background: rgba(200, 241, 53, 0.08);
            align-self: flex-start;
            border-radius: 100px;
            padding: 7px 14px;
            border: 1px solid rgba(200, 241, 53, 0.2);
        }

        .live-demo-head::before {
            content: "";
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--error);
            animation: blink 1.4s infinite;
        }

        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .match-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 4px;
            border-bottom: 1px dashed rgba(35, 42, 52, 0.7);
        }

        .match-line:last-child {
            border-bottom: 0;
        }

        .match-league {
            font-size: 0.76rem;
            color: var(--text-low);
        }

        .match-score {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-hi);
            font-weight: 700;
            font-size: 0.95rem;
        }

        .match-score b {
            font-family: var(--font-num);
            font-size: 1.25rem;
            color: var(--accent-primary);
        }

        .match-state {
            font-size: 0.78rem;
            color: var(--text-low);
        }

        .security-note {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-top: 20px;
            padding: 15px 18px;
            background: rgba(255, 176, 32, 0.08);
            border: 1px solid rgba(255, 176, 32, 0.22);
            border-radius: var(--radius-inner);
            font-size: 0.88rem;
            color: #E6C58A;
            line-height: 1.7;
        }

        .security-note::before {
            content: "！";
            flex: 0 0 auto;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: rgba(255, 176, 32, 0.22);
            display: grid;
            place-items: center;
            font-size: 0.75rem;
            color: var(--warning);
            font-weight: 800;
        }

        .membership-tip {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 22px;
            padding: 18px 20px;
            background: linear-gradient(90deg, rgba(200, 241, 53, 0.1), rgba(200, 241, 53, 0.02));
            border: 1px solid rgba(200, 241, 53, 0.18);
            border-radius: var(--radius-inner);
        }

        .membership-tip b {
            color: var(--text-hi);
            font-size: 0.96rem;
        }

        .membership-tip span {
            color: var(--text-mid);
            font-size: 0.85rem;
        }

        .cta-square-band {
            background: var(--bg-surface);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
            padding: 74px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-square-band::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            right: -150px;
            top: -150px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 106, 0, 0.16), transparent 60%);
        }

        .cta-square-band::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-orange), transparent 90%);
        }

        .cta-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-copy {
            max-width: 660px;
        }

        .cta-copy .eyebrow {
            color: #FF9A45;
        }

        .cta-copy .eyebrow::before {
            background: var(--accent-orange);
        }

        .cta-copy h2 {
            margin-top: 14px;
        }

        .cta-copy p {
            margin-top: 14px;
            font-size: 0.96rem;
            color: var(--text-mid);
            line-height: 1.9;
        }

        .cta-pulse {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-pulse .pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-orange);
            box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.22);
        }

        .faq-section {
            background: var(--bg-deep);
            padding: 92px 0;
        }

        .faq-inner {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-head {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-head p {
            max-width: 600px;
            margin: 16px auto 0;
            color: var(--text-mid);
        }

        .faq-panel {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-card);
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(200, 241, 53, 0.35);
        }

        .faq-item[open] {
            border-color: rgba(200, 241, 53, 0.55);
            background: #18202A;
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 68px;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-hi);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            flex: 0 0 28px;
            border-radius: 50%;
            background: var(--bg-raised);
            border: 1px solid var(--line-strong);
            position: relative;
            transition: background 0.25s ease, border-color 0.25s ease, transform 0.3s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            background: var(--text-mid);
            transition: background 0.25s ease;
        }

        .faq-icon::before {
            width: 12px;
            height: 2px;
            transform: translate(-50%, -50%);
        }

        .faq-icon::after {
            width: 2px;
            height: 12px;
            transform: translate(-50%, -50%);
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-primary);
            border-color: var(--accent-primary);
        }

        .faq-item[open] .faq-icon::before,
        .faq-item[open] .faq-icon::after {
            background: #0E1116;
        }

        .faq-answer {
            padding: 0 22px 22px 22px;
            color: var(--text-mid);
            font-size: 0.94rem;
            line-height: 1.9;
            border-top: 1px solid rgba(35, 42, 52, 0.6);
            margin-top: -4px;
            padding-top: 14px;
        }

        .faq-answer p {
            margin-top: 8px;
        }

        .back-top-wrap {
            position: fixed;
            right: 20px;
            bottom: 24px;
            z-index: 60;
            opacity: 0;
            visibility: hidden;
            transform: translateY(18px);
            transition: all 0.3s ease;
        }

        .back-top-wrap.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top-btn {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(22, 27, 34, 0.9);
            border: 1px solid var(--line-strong);
            color: var(--text-mid);
            cursor: pointer;
            display: grid;
            place-items: center;
            font-size: 1.2rem;
            backdrop-filter: blur(8px);
            transition: all 0.25s ease;
        }

        .back-top-btn:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-3px);
        }

        .site-footer {
            background: #0B0E12;
            border-top: 1px solid rgba(200, 241, 53, 0.35);
            padding: 64px 0 28px;
            position: relative;
        }

        .site-footer::before {
            content: "";
            position: absolute;
            top: -1px;
            left: 0;
            width: 22%;
            height: 2px;
            background: var(--accent-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 46px;
            padding-bottom: 44px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-desc {
            margin-top: 16px;
            max-width: 300px;
            color: var(--text-mid);
            font-size: 0.89rem;
            line-height: 1.85;
        }

        .footer-heading {
            color: var(--text-hi);
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1rem;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-heading::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 22px;
            height: 2px;
            background: var(--accent-primary);
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--text-mid);
            font-size: 0.88rem;
            transition: color 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: "";
            width: 5px;
            height: 5px;
            background: var(--line-strong);
            border-radius: 2px;
            transition: background 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
        }

        .footer-links a:hover::before {
            background: var(--accent-primary);
        }

        .footer-contact p {
            color: var(--text-mid);
            font-size: 0.88rem;
            line-height: 1.9;
        }

        .footer-note {
            border-top: 1px solid rgba(35, 42, 52, 0.8);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.84rem;
            color: var(--text-low);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .footer-bottom-links a {
            color: var(--text-low);
            transition: color 0.2s ease;
        }

        .footer-bottom-links a:hover {
            color: var(--accent-primary);
        }

        @media (max-width: 1200px) {
            .kpi-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .kpi-item:nth-child(2) {
                border-right: 0;
            }

            .kpi-item:nth-child(-n + 2) {
                border-bottom: 1px solid var(--line-subtle);
            }

            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr;
                gap: 36px;
            }

            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 1024px) {
            .navbar {
                gap: 16px;
            }

            .nav-menu {
                gap: 16px;
            }

            .guide-layout {
                grid-template-columns: minmax(0, 1fr);
                padding-top: 56px;
                padding-bottom: 72px;
            }

            .guide-side {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                order: -1;
            }

            .side-card {
                padding: 20px;
            }

            .step-content {
                padding-left: 0;
            }

            .page-hero {
                min-height: 480px;
                padding-top: 120px;
                padding-bottom: 76px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .navbar {
                height: 66px;
            }

            .nav-toggle {
                display: block;
            }

            .nav-menu {
                position: fixed;
                top: 0;
                right: 0;
                width: 82%;
                max-width: 360px;
                height: 100vh;
                background: var(--bg-surface);
                z-index: 99;
                display: flex;
                flex-direction: column;
                padding: 86px 28px 32px;
                gap: 6px;
                transform: translateX(100%);
                transition: transform 0.34s cubic-bezier(0.22, 0.61, 0.36, 1);
                box-shadow: -12px 0 24px rgba(0, 0, 0, 0.28);
            }

            .nav-menu.open {
                transform: translateX(0);
            }

            .nav-menu li {
                width: 100%;
            }

            .nav-link {
                display: block;
                padding: 13px 4px;
                border-bottom: 1px solid rgba(35, 42, 52, 0.6);
                font-size: 1rem;
            }

            .nav-link::after {
                bottom: -1px;
            }

            .btn-entry {
                min-width: 0;
                padding-left: 12px;
                padding-right: 12px;
            }

            .page-hero {
                padding: 112px 0 58px;
                min-height: 420px;
            }

            .hero-title {
                font-size: clamp(1.85rem, 8vw, 2.4rem);
            }

            .hero-actions .btn {
                flex: 1;
            }

            .kpi-strip {
                grid-template-columns: 1fr;
                margin-top: 32px;
            }

            .kpi-item {
                border-right: 0;
                border-bottom: 1px solid var(--line-subtle);
            }

            .kpi-item:last-child {
                border-bottom: 0;
            }

            .kpi-item:nth-child(2) {
                border-right: 0;
            }

            .kpi-item:nth-child(-n + 2) {
                border-bottom: 1px solid var(--line-subtle);
            }

            .section-pad {
                padding: 60px 0;
            }

            .step-card {
                padding: 22px;
            }

            .step-head {
                flex-direction: row;
                align-items: center;
                gap: 15px;
            }

            .step-number {
                width: 52px;
                height: 52px;
                flex-basis: 52px;
                border-radius: 14px;
                font-size: 1.4rem;
            }

            .step-headline h3 {
                font-size: 1.15rem;
            }

            .check-list {
                grid-template-columns: 1fr;
            }

            .step-media {
                grid-template-columns: 1fr;
            }

            .media-block img {
                height: auto;
                max-height: 220px;
                object-fit: cover;
            }

            .membership-tip {
                flex-direction: column;
                align-items: flex-start;
            }

            .membership-tip .btn {
                width: 100%;
            }

            .cta-square-band {
                padding: 48px 0;
            }

            .cta-grid {
                flex-direction: column;
                align-items: flex-start;
            }

            .faq-section {
                padding: 62px 0;
            }

            .faq-item summary {
                font-size: 0.93rem;
                padding: 16px 16px;
            }

            .faq-answer {
                padding-left: 16px;
                padding-right: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 24px;
            }

            .footer-grid>div:first-child {
                grid-column: auto;
            }

            .footer-note {
                flex-direction: column;
                align-items: flex-start;
            }

            .cover-banner {
                padding: 26px 24px;
            }
        }

        @media (max-width: 520px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .btn-entry span:last-child {
                display: none;
            }

            .guide-side {
                grid-template-columns: 1fr;
            }

            .side-card {
                padding: 18px;
            }

            .method-item {
                flex-direction: column;
            }
        }

        @supports not (backdrop-filter: blur(10px)) {
            .site-header {
                background: rgba(14, 17, 22, 0.95);
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0E1116;
            --bg-surface: #161B22;
            --bg-raised: #1D242E;
            --bg-elevated: #242C38;
            --accent-primary: #C8F135;
            --accent-primary-hover: #DAFF4D;
            --accent-dark: #9DC91F;
            --accent-orange: #FF6A00;
            --text-hi: #F2F5F7;
            --text-mid: #ABB4C0;
            --text-low: #707A88;
            --text-on-accent: #0E1116;
            --line-subtle: #232A34;
            --line-strong: #313C4A;
            --success: #3DD68C;
            --warning: #FFB020;
            --error: #FF5D5D;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
            --font-digital: "Barlow Condensed", "Roboto Condensed", "DIN Alternate", sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg-deep);
            color: var(--text-hi);
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.02em;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 920px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(14, 17, 22, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line-subtle);
            transition: background .3s, border-color .3s;
        }
        .site-header::after {
            content: "";
            display: block;
            height: 2px;
            width: 40%;
            max-width: 460px;
            background: var(--accent-primary);
            position: absolute;
            left: 0;
            bottom: -1px;
            border-radius: 0 4px 4px 0;
            pointer-events: none;
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            position: relative;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 42px;
            height: 42px;
            background: var(--accent-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-on-accent);
            font-family: var(--font-digital);
            font-weight: 700;
            font-size: 19px;
            letter-spacing: 0;
            box-shadow: 0 0 0 3px rgba(200, 241, 53, 0.12);
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-hi);
            line-height: 1.2;
            display: flex;
            flex-direction: column;
        }
        .logo-text-sub {
            font-size: 10px;
            font-weight: 400;
            color: var(--text-mid);
            letter-spacing: 0.4em;
            margin-top: 2px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 30px;
            margin-left: auto;
            margin-right: 24px;
        }
        .nav-menu .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mid);
            padding: 28px 0 26px;
            position: relative;
            display: inline-block;
            transition: color .25s;
        }
        .nav-menu .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -1px;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--accent-primary);
            border-radius: 2px;
            transition: width .25s;
        }
        .nav-menu .nav-link:hover {
            color: var(--text-hi);
        }
        .nav-menu .nav-link:hover::after {
            width: 100%;
            left: 0;
            transform: none;
        }
        .nav-menu .nav-link.active {
            color: var(--text-hi);
        }
        .nav-menu .nav-link.active::after {
            width: 100%;
            left: 0;
            transform: none;
        }
        .nav-action {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-entry {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            height: 40px;
            padding: 0 18px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 6px;
            color: var(--text-on-accent);
            background: var(--accent-primary);
            transition: background .2s, box-shadow .2s, transform .15s;
        }
        .btn-entry:hover {
            background: var(--accent-primary-hover);
            box-shadow: 0 4px 16px rgba(200, 241, 53, 0.2);
            transform: translateY(-1px);
        }
        .btn-entry:active {
            transform: translateY(0);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 6px;
            border: 1px solid var(--line-strong);
            position: relative;
        }
        .nav-toggle-icon,
        .nav-toggle-icon::before,
        .nav-toggle-icon::after {
            content: "";
            position: absolute;
            width: 18px;
            height: 2px;
            background: var(--text-hi);
            border-radius: 2px;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            transition: transform .3s, background .3s;
        }
        .nav-toggle-icon::before {
            transform: translate(-50%, -7px);
        }
        .nav-toggle-icon::after {
            transform: translate(-50%, 5px);
        }
        .nav-toggle[aria-expanded="true"] .nav-toggle-icon {
            background: transparent;
        }
        .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
            transform: translate(-50%, -50%) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
            transform: translate(-50%, -50%) rotate(-45deg);
        }

        /* ===== 通用 ===== */
        .section {
            padding: 96px 0;
        }
        .section-tight {
            padding: 64px 0;
        }
        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 40px;
            letter-spacing: -0.01em;
        }
        .section-title-center {
            text-align: center;
        }
        .section-kicker {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.35em;
            color: var(--accent-primary);
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .section-desc {
            color: var(--text-mid);
            font-size: 16px;
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        /* ===== Category Banner ===== */
        .cat-banner {
            padding-top: 72px;
        }
        .cat-banner-inner {
            background: linear-gradient(135deg, var(--bg-surface) 0%, #12161D 100%);
            border-bottom: 1px solid var(--line-subtle);
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .cat-banner-inner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(14, 17, 22, 0.96) 0%, rgba(14, 17, 22, 0.82) 45%, rgba(14, 17, 22, 0.45) 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            z-index: 0;
            pointer-events: none;
        }
        .cat-banner-inner::after {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 241, 53, 0.13) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .cat-banner-content {
            position: relative;
            z-index: 1;
            width: 100%;
            padding: 56px 0;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cat-banner-meta {
            color: var(--text-mid);
            font-size: 14px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-start;
            padding-bottom: 8px;
            border-left: 2px solid var(--accent-orange);
            padding-left: 16px;
        }
        .cat-banner-meta span {
            color: var(--text-low);
        }
        .cat-banner-breadcrumb {
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 12px;
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .cat-banner-breadcrumb a {
            color: var(--text-mid);
        }
        .cat-banner-breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .cat-banner h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-hi);
            max-width: 680px;
        }
        .cat-banner p {
            color: var(--text-mid);
            line-height: 1.8;
            max-width: 520px;
            margin-top: 12px;
        }

        /* ===== 图文交错精选 ===== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-row.reverse {
            direction: rtl;
        }
        .feature-row.reverse .feature-content {
            direction: ltr;
        }
        .feature-media {
            width: 52%;
            flex-shrink: 0;
        }
        .feature-media .media-card {
            background: var(--bg-elevated);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line-subtle);
        }
        .feature-media img {
            width: 100%;
            min-height: 280px;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }
        .feature-media .media-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-primary);
            border-radius: 0 0 12px 12px;
            opacity: 0.85;
        }
        .feature-content {
            flex: 1;
        }
        .feature-content .feature-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-primary);
            background: rgba(200, 241, 53, 0.1);
            border: 1px solid rgba(200, 241, 53, 0.25);
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }
        .feature-content h2 {
            font-size: 1.6rem;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text-hi);
            font-weight: 700;
        }
        .feature-content h2 .highlight {
            color: var(--accent-primary);
        }
        .feature-content p {
            color: var(--text-mid);
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .feature-list {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.7;
        }
        .feature-list li .mark-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(200, 241, 53, 0.2);
            color: var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* ===== 赛事专题 ===== */
        .topic-wall {
            background: var(--bg-surface);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
        }
        .topic-wall-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }
        .topic-main-card {
            grid-column: span 7;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-deep);
            border: 1px solid var(--line-subtle);
            position: relative;
        }
        .topic-main-card .topic-card-img {
            position: relative;
            overflow: hidden;
        }
        .topic-main-card .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
            aspect-ratio: 16 / 8;
            transition: transform .5s;
        }
        .topic-main-card:hover .topic-card-img img {
            transform: scale(1.03);
        }
        .topic-main-card .topic-card-content {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 80px 24px 24px;
            background: linear-gradient(transparent, rgba(14, 17, 22, 0.92));
        }
        .topic-main-card .topic-card-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }
        .topic-main-card .topic-card-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            line-height: 1.6;
        }
        .topic-stat-bar {
            display: flex;
            align-items: center;
            gap: 18px;
            background: var(--bg-raised);
            padding: 14px 20px;
            border-top: 1px solid var(--line-subtle);
            font-size: 14px;
            color: var(--text-mid);
        }
        .topic-stat-bar .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--success);
            flex-shrink: 0;
        }
        .topic-stat-bar .stat-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .topic-stat-bar .stat-item strong {
            color: var(--accent-primary);
            font-family: var(--font-digital);
            font-size: 19px;
            letter-spacing: 0;
        }
        .topic-grid-col {
            grid-column: span 5;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .topic-mini-card {
            background: var(--bg-deep);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            display: flex;
            overflow: hidden;
            transition: border-color .2s, background .2s;
        }
        .topic-mini-card:hover {
            border-color: var(--line-strong);
            background: var(--bg-raised);
        }
        .topic-mini-card .thumb {
            width: 120px;
            flex-shrink: 0;
            min-height: 100px;
            background: var(--bg-elevated);
            overflow: hidden;
        }
        .topic-mini-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-mini-card .mini-card-content {
            padding: 14px 18px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .topic-mini-card .mini-card-content h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.5;
            color: var(--text-hi);
        }
        .topic-mini-card .mini-card-content p {
            font-size: 13px;
            color: var(--text-low);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .mini-meta {
            margin-top: 6px;
            font-size: 12px;
            color: var(--text-low);
        }

        /* ===== 资讯速览条 ===== */
        .news-strip {
            overflow: hidden;
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
            background: var(--bg-deep);
        }
        .news-strip-inner {
            display: flex;
            align-items: center;
            padding: 40px 0;
            gap: 40px;
        }
        .news-strip-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-orange);
            white-space: nowrap;
        }
        .news-strip-label::before {
            content: "";
            width: 44px;
            height: 2px;
            background: var(--accent-orange);
            flex-shrink: 0;
        }
        .news-strip-list {
            display: flex;
            gap: 28px;
            overflow-x: auto;
            scrollbar-width: none;
            padding-bottom: 4px;
            flex: 1;
        }
        .news-strip-list::-webkit-scrollbar {
            display: none;
        }
        .news-strip-list a {
            font-size: 14px;
            color: var(--text-mid);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-strip-list a:hover {
            color: var(--accent-primary);
        }
        .news-strip-list a::before {
            content: "/";
            color: var(--accent-primary);
            font-family: var(--font-digital);
            font-weight: 700;
        }
        .news-strip-more {
            white-space: nowrap;
            font-size: 13px;
            color: var(--text-low);
            display: flex;
            align-items: center;
            gap: 4px;
            align-self: stretch;
        }
        .news-strip-more:hover {
            color: var(--accent-primary);
        }

        /* ===== 编辑推荐 ===== */
        .editor-recommend {
            background: var(--bg-deep);
        }
        .recommend-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .recommend-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--line-subtle);
            display: flex;
            overflow: hidden;
            padding: 20px;
            transition: border-color .25s, background .25s;
        }
        .recommend-card:hover {
            border-color: var(--line-strong);
            background: var(--bg-raised);
        }
        .recommend-card .rc-overlay {
            width: 260px;
            min-height: 170px;
            border-radius: 10px;
            overflow: hidden;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .recommend-card:nth-child(2) .rc-overlay {
            order: 1;
        }
        .recommend-card .rc-content {
            padding: 12px 10px 8px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .recommend-card:nth-child(2) .rc-content {
            padding: 12px 28px 8px 10px;
        }
        .rc-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-low);
            margin-bottom: 10px;
        }
        .rc-badge {
            display: inline-flex;
            padding: 2px 10px;
            border-radius: 4px;
            background: rgba(200, 241, 53, 0.1);
            color: var(--accent-primary);
            font-size: 12px;
            font-weight: 600;
        }
        .rc-content h3 {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--text-hi);
            transition: color .2s;
        }
        .rc-content h3:hover {
            color: var(--accent-primary);
        }
        .rc-content p {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rc-link {
            margin-top: 12px;
            font-size: 14px;
            color: var(--accent-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
        }
        .rc-link:hover {
            color: var(--accent-primary-hover);
        }
        .rc-link svg,
        .rc-link .arrow {
            transition: transform .2s;
        }
        .rc-link:hover .arrow {
            transform: translateX(3px);
        }

        /* ===== 深度看点 ===== */
        .digest-section {
            background: var(--bg-surface);
            border-top: 1px solid var(--line-subtle);
            border-bottom: 1px solid var(--line-subtle);
        }
        .digest-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .digest-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 300px;
        }
        .digest-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }
        .digest-media::after {
            content: "";
            position: absolute;
            left: 16px;
            bottom: 16px;
            width: 55px;
            height: 3px;
            background: var(--accent-primary);
            border-radius: 2px;
        }
        .digest-content .digest-list {
            display: flex;
            flex-direction: column;
        }
        .digest-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--line-subtle);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: background .2s;
        }
        .digest-item:nth-child(1) {
            padding-top: 0;
        }
        .digest-item .digest-index {
            font-family: var(--font-digital);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent-primary);
            opacity: 0.5;
            line-height: 1.4;
            min-width: 42px;
        }
        .digest-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-hi);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .digest-item p {
            color: var(--text-low);
            font-size: 13px;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-deep);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--line-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s;
        }
        .faq-item:hover {
            border-color: var(--line-strong);
        }
        .faq-item details {
            width: 100%;
        }
        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-hi);
            cursor: pointer;
            list-style: none;
            gap: 20px;
            transition: color .2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::marker {
            display: none;
        }
        .faq-item .faq-plus {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--line-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            font-weight: 400;
            color: var(--accent-primary);
            transition: transform .3s, border-color .2s;
        }
        .faq-item details[open] .faq-plus {
            transform: rotate(45deg);
            border-color: var(--accent-primary);
        }
        .faq-item .faq-body {
            padding: 0 24px 22px;
            color: var(--text-mid);
            font-size: 15px;
            line-height: 1.85;
        }

        /* ===== CTA ===== */
        .cta-zone {
            background: var(--bg-surface);
            border-top: 1px solid var(--line-subtle);
            position: relative;
            overflow: hidden;
        }
        .cta-zone::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 40%, rgba(200, 241, 53, 0.06) 0%, transparent 45%), linear-gradient(100deg, #0E1116 0%, #1A2028 100%);
        }
        .cta-zone .cta-inner {
            position: relative;
            z-index: 1;
            padding: 64px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .cta-title-wrap h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-title-wrap p {
            color: var(--text-mid);
            font-size: 16px;
            max-width: 520px;
            line-height: 1.8;
        }
        .cta-button-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-primary);
            color: var(--text-on-accent);
            font-size: 16px;
            font-weight: 700;
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 0 1px var(--accent-primary);
            transition: background .2s, box-shadow .2s, transform .15s;
        }
        .btn-primary:hover {
            background: var(--accent-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 241, 53, 0.15);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--line-strong);
            color: var(--text-hi);
            height: 48px;
            padding: 0 26px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: border-color .2s, background .2s;
        }
        .btn-outline:hover {
            border-color: var(--accent-primary);
            background: var(--bg-raised);
        }
        .btn-show-all {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--accent-primary);
            font-weight: 500;
        }
        .btn-show-all:hover {
            color: var(--accent-primary-hover);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0B0E12;
            padding: 60px 0 24px;
            border-top: 2px solid var(--accent-primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1.2fr 1.4fr 1.6fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-brand .logo-text {
            font-size: 18px;
        }
        .footer-desc {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 18px;
            max-width: 300px;
        }
        .footer-heading {
            color: var(--text-hi);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: var(--text-mid);
            font-size: 14px;
            line-height: 1.6;
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-note {
            border-top: 1px solid var(--line-subtle);
            padding: 24px 0 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-low);
        }
        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }
        .footer-bottom-links a {
            color: var(--text-low);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: var(--accent-primary);
        }

        /* focus visible */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
            .footer-brand {
                grid-column: span 1;
            }
        }
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }
            .feature-row {
                flex-direction: column;
                gap: 36px;
                margin-bottom: 72px;
            }
            .feature-row.reverse {
                direction: ltr;
            }
            .feature-media {
                width: 100%;
            }
            .topic-main-card {
                grid-column: span 12;
            }
            .topic-grid-col {
                grid-column: span 12;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .topic-mini-card {
                flex: 1 1 46%;
            }
            .digest-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .digest-media {
                min-height: 240px;
            }
            .digest-media img {
                position: static;
                min-height: 240px;
            }
            .navbar {
                height: 64px;
            }
            .nav-menu {
                position: fixed;
                top: 0;
                right: -82vw;
                width: 82vw;
                height: 100vh;
                background: var(--bg-surface);
                flex-direction: column;
                align-items: stretch;
                padding: 90px 24px 40px;
                transition: right .3s;
                z-index: 1000;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.35);
                gap: 0;
                margin: 0;
            }
            .nav-menu.open {
                right: 0;
            }
            .nav-menu .nav-link {
                display: block;
                padding: 14px 8px;
                font-size: 16px;
                color: var(--text-hi);
                border-bottom: 1px solid var(--line-subtle);
            }
            .nav-menu .nav-link::after {
                display: none;
            }
            .nav-toggle {
                display: block;
                z-index: 1100;
            }
            .cat-banner-inner {
                min-height: 220px;
            }
            .cat-banner-content {
                padding: 32px 0 24px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.4rem;
                margin-bottom: 24px;
            }
            .container {
                padding: 0 16px;
            }
            .btn-entry {
                width: 40px;
                padding: 0;
                font-size: 0;
                border-radius: 50%;
                gap: 0;
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .btn-entry svg,
            .btn-entry span {
                font-size: 0;
            }
            .btn-entry::before {
                content: "→";
                font-size: 18px;
                font-weight: 700;
            }
            .nav-menu.open {
                right: 0;
                width: 82vw;
            }
            .cat-banner-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
                padding: 28px 0 20px;
            }
            .cat-banner-meta {
                border-left-color: var(--accent-primary);
            }
            .topic-mini-card .thumb {
                width: 100px;
            }
            .topic-mini-card {
                flex: 1 1 100%;
            }
            .recommend-card {
                flex-direction: column;
                padding: 14px;
            }
            .recommend-card .rc-overlay {
                width: 100%;
                min-height: 180px;
            }
            .recommend-card:nth-child(2) .rc-overlay {
                order: 0;
            }
            .recommend-card .rc-content,
            .recommend-card:nth-child(2) .rc-content {
                padding: 16px 4px 6px;
            }
            .cta-zone .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 44px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 28px;
            }
            .footer-note {
                flex-direction: column;
                align-items: flex-start;
            }
            .feature-content h2 {
                font-size: 1.3rem;
            }
            .cat-banner h1 {
                font-size: 1.6rem;
            }
            .news-strip-inner {
                flex-direction: column;
                align-items: stretch;
                padding: 28px 0;
            }
            .news-strip-label {
                margin-bottom: -16px;
            }
            .news-strip-more {
                display: none;
            }
            .digest-item .digest-index {
                font-size: 20px;
                min-width: 34px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .cta-button-group {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
        }
        @media (max-width: 520px) {
            .section {
                padding: 44px 0;
            }
            .faq-item summary {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-item .faq-body {
                padding: 0 16px 18px;
                font-size: 14px;
            }
            .feature-list li {
                font-size: 14px;
            }
            .rc-content h3 {
                font-size: 17px;
            }
            .topic-main-card .topic-stat-bar {
                flex-wrap: wrap;
                gap: 10px;
                font-size: 13px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
            .footer-bottom-links {
                flex-wrap: wrap;
                gap: 12px 20px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }