/* roulang page: index */
:root {
            --c-black: #141414;
            --c-black-soft: #1e1e1e;
            --c-charcoal: #212121;
            --c-ink: #1a1a1a;
            --c-gray: #4a4a4a;
            --c-gray-light: #8a8a8a;
            --c-warm-white: #f7f5f2;
            --c-warm-light: #fbfaf8;
            --c-off-white: #f2efeb;
            --c-border: #e5e2dc;
            --c-border-dark: #333333;
            --c-primary: #ff4a3c;
            --c-primary-hover: #e63b2e;
            --c-primary-soft: #ffd9d4;
            --c-cyan: #3bf0c8;
            --c-amber: #ffc53d;
            --c-text-dark: #1a1a1a;
            --c-text-mid: #4a4a4a;
            --c-text-light: #6e6a66;
            --c-text-on-dark: #f2efeb;
            --c-text-on-dark-muted: #b0ada8;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 10px rgba(20, 20, 20, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.1);
            --shadow-lg: 0 18px 48px rgba(20, 20, 20, 0.16);
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-title: 'Archivo Black', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Inter', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 72px;
            --nav-height-scrolled: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text-dark);
            background-color: var(--c-warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--c-cyan);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 16px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            max-width: 980px;
        }

        /* ========== SKIP LINK ========== */
        .skip-link {
            position: absolute;
            top: -100%;
            left: 16px;
            z-index: 10000;
            background: var(--c-primary);
            color: #fff;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: top 0.3s;
        }
        .skip-link:focus {
            top: 12px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(20, 20, 20, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), min-height var(--transition-smooth);
            min-height: var(--nav-height);
        }
        .site-header.scrolled {
            background: rgba(14, 14, 14, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            min-height: var(--nav-height-scrolled);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: var(--spacing-md);
            transition: min-height var(--transition-smooth);
        }
        .site-header.scrolled .nav-inner {
            min-height: var(--nav-height-scrolled);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .brand-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--c-primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            margin-left: auto;
        }
        .nav-menu-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-on-dark-muted);
            padding: 8px 0;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-menu-item::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--c-primary);
            transition: width var(--transition-fast);
        }
        .nav-menu-item:hover,
        .nav-menu-item.active {
            color: #fff;
        }
        .nav-menu-item:hover::after,
        .nav-menu-item.active::after {
            width: 100%;
        }
        .nav-menu-item.active {
            color: var(--c-primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            background: var(--c-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--c-primary-hover);
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: translateY(0);
        }

        .nav-hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 20px;
            transition: background var(--transition-fast);
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .nav-drawer {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(20, 20, 20, 0.98);
            z-index: 2000;
            padding: var(--spacing-lg) var(--spacing-md);
            flex-direction: column;
            gap: var(--spacing-md);
            overflow-y: auto;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        .nav-drawer.open {
            display: flex;
            opacity: 1;
            pointer-events: auto;
        }
        .nav-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
        }
        .nav-drawer-close {
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-drawer-close:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-drawer-menu {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-drawer-menu a {
            padding: 14px 12px;
            font-size: 18px;
            color: var(--c-text-on-dark);
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .nav-drawer-menu a:hover,
        .nav-drawer-menu a.active {
            background: rgba(255, 74, 60, 0.15);
            color: var(--c-primary);
        }
        .nav-drawer-cta {
            display: flex;
            padding: 14px 24px;
            background: var(--c-primary);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            justify-content: center;
            margin-top: auto;
        }

        /* ========== HERO ========== */
        .hero {
            background: var(--c-black);
            color: var(--c-text-on-dark);
            position: relative;
            overflow: hidden;
            min-height: calc(100vh - var(--nav-height));
            display: flex;
            align-items: stretch;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/5052a3d7f2cf136c.webp') center / cover no-repeat;
            opacity: 0.3;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,20,20,0.94) 0%, rgba(20,20,20,0.82) 45%, rgba(20,20,20,0.55) 100%);
            z-index: 2;
        }
        .hero-grid {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--spacing-xl);
            align-items: center;
            padding: var(--spacing-2xl) 0;
            min-height: 100%;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            align-self: flex-start;
            padding: 8px 16px;
            background: rgba(255, 74, 60, 0.14);
            border: 1px solid rgba(255, 74, 60, 0.35);
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--c-primary);
            letter-spacing: 0.4px;
        }
        .hero-badge i {
            font-size: 12px;
        }
        .hero h1 {
            font-family: var(--font-title);
            font-size: 46px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            margin: 0;
            max-width: 560px;
        }
        .hero h1 .highlight {
            color: var(--c-primary);
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: var(--c-text-on-dark-muted);
            max-width: 520px;
            font-weight: 400;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-sm);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            line-height: 1.4;
        }
        .btn i {
            font-size: 15px;
        }
        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            border: 2px solid var(--c-primary);
        }
        .btn-primary:hover {
            background: var(--c-primary-hover);
            border-color: var(--c-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 74, 60, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.55);
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .hero-stats-row {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-md);
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-number {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-cyan);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
            letter-spacing: 0.3px;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
            align-items: center;
            justify-content: center;
        }
        .progress-ring-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .progress-ring {
            position: relative;
            width: 180px;
            height: 180px;
        }
        .progress-ring svg {
            transform: rotate(-90deg);
        }
        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 12;
        }
        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--c-cyan);
            stroke-width: 12;
            stroke-linecap: round;
            stroke-dasharray: 502.65;
            stroke-dashoffset: 140.74;
            transition: stroke-dashoffset 1.8s ease-out;
        }
        .progress-ring .ring-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .ring-percent {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }
        .ring-label {
            font-size: 12px;
            color: var(--c-text-on-dark-muted);
            letter-spacing: 0.5px;
            margin-top: 4px;
        }
        .hero-ring-caption {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            text-align: center;
        }
        .hero-match-previews {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
            width: 100%;
            max-width: 420px;
        }
        .hero-match-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: var(--spacing-sm);
            text-align: center;
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
        }
        .hero-match-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hero-match-teams {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .hero-match-time {
            font-size: 12px;
            color: var(--c-cyan);
            letter-spacing: 0.3px;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--spacing-2xl) 0;
            background: var(--c-warm-white);
        }
        .section-alt {
            background: var(--c-warm-light);
        }
        .section-dark {
            background: var(--c-black);
            color: var(--c-text-on-dark);
        }
        .section-heading {
            text-align: left;
            margin-bottom: var(--spacing-lg);
            max-width: 680px;
        }
        .section-heading h2 {
            font-family: var(--font-title);
            font-size: 34px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--c-ink);
            letter-spacing: -0.3px;
            margin-bottom: var(--spacing-sm);
        }
        .section-dark .section-heading h2 {
            color: #fff;
        }
        .section-heading p {
            font-size: 16px;
            color: var(--c-text-mid);
            line-height: 1.75;
        }
        .section-dark .section-heading p {
            color: var(--c-text-on-dark-muted);
        }
        .section-heading .heading-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--c-primary);
            margin-bottom: var(--spacing-xs);
        }

        /* ========== SERVICE MATRIX ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .service-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        .service-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--c-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #d5d1c8;
        }
        .service-card:hover::after {
            transform: scaleX(1);
        }
        .service-icon {
            width: 52px;
            height: 52px;
            background: var(--c-warm-white);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--c-primary);
            margin-bottom: var(--spacing-xs);
        }
        .service-card h3 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--c-ink);
        }
        .service-card p {
            font-size: 14px;
            color: var(--c-text-mid);
            line-height: 1.6;
            flex: 1;
        }
        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }
        .service-link i {
            font-size: 13px;
            transition: transform var(--transition-fast);
        }
        .service-link:hover i {
            transform: translateX(4px);
        }

        /* ========== DATA STRIP ========== */
        .data-strip {
            background: var(--c-black-soft);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        .data-item {
            text-align: center;
        }
        .data-number {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 700;
            color: var(--c-cyan);
            line-height: 1.1;
            letter-spacing: -1px;
        }
        .data-label {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            margin-top: 6px;
        }

        /* ========== PROCESS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            counter-reset: process;
        }
        .process-step {
            position: relative;
            counter-increment: process;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg) var(--spacing-md);
            transition: all var(--transition-smooth);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--c-primary);
        }
        .process-step::before {
            content: counter(process, decimal-leading-zero);
            font-family: var(--font-title);
            font-size: 48px;
            font-weight: 700;
            color: var(--c-warm-light);
            position: absolute;
            top: var(--spacing-sm);
            right: var(--spacing-sm);
            line-height: 1;
        }
        .process-step:nth-child(1)::before { color: #ffd9d4; }
        .process-step:nth-child(2)::before { color: #cdedf0; }
        .process-step:nth-child(3)::before { color: #f5e6c8; }
        .process-step:nth-child(4)::before { color: #e0d4f0; }
        .process-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-radius: 50%;
            margin-bottom: var(--spacing-sm);
        }
        .process-step h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--c-text-mid);
            line-height: 1.6;
        }

        /* ========== CASE WALL ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .case-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            cursor: pointer;
        }
        .case-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .case-card:hover img {
            transform: scale(1.03);
        }
        .case-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 20, 20, 0.85) 0%, rgba(20, 20, 20, 0.3) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--spacing-md);
            transition: background var(--transition-smooth);
        }
        .case-card:hover .case-card-overlay {
            background: linear-gradient(to top, rgba(20, 20, 20, 0.92) 0%, rgba(20, 20, 20, 0.55) 45%, rgba(20, 20, 20, 0.2) 100%);
        }
        .case-card-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            transform: translateY(0);
            transition: transform var(--transition-smooth);
        }
        .case-card-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.5;
            transform: translateY(20px);
            opacity: 0;
            transition: all var(--transition-smooth);
            max-height: 60px;
            overflow: hidden;
        }
        .case-card:hover .case-card-desc {
            transform: translateY(0);
            opacity: 1;
        }

        /* ========== NEWS LIST ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 0.35fr 0.65fr;
            gap: var(--spacing-lg);
            align-items: start;
        }
        .news-side {
            background: var(--c-black);
            color: #fff;
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .news-side h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }
        .news-side p {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            line-height: 1.6;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--c-border);
            transition: background var(--transition-fast), padding-left var(--transition-fast);
            border-radius: var(--radius-sm);
        }
        .news-item:hover {
            padding-left: 8px;
            background: rgba(255, 74, 60, 0.04);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--c-gray-light);
            min-width: 56px;
            letter-spacing: 0.3px;
        }
        .news-item-title {
            font-size: 15px;
            color: var(--c-ink);
            font-weight: 500;
            flex: 1;
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-item-title {
            color: var(--c-primary);
        }
        .news-item-arrow {
            font-size: 14px;
            color: var(--c-gray-light);
            transition: transform var(--transition-fast), color var(--transition-fast);
        }
        .news-item:hover .news-item-arrow {
            transform: translateX(4px);
            color: var(--c-primary);
        }
        .news-more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--c-primary);
            margin-top: var(--spacing-sm);
        }
        .news-more-link i {
            transition: transform var(--transition-fast);
        }
        .news-more-link:hover i {
            transform: translateX(4px);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-layout {
            display: grid;
            grid-template-columns: 0.45fr 0.55fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .brand-intro-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4/3;
        }
        .brand-intro-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-intro-text h2 {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .brand-intro-text p {
            font-size: 16px;
            color: var(--c-text-mid);
            line-height: 1.85;
            margin-bottom: var(--spacing-sm);
        }

        /* ========== TOPIC GRID ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .topic-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #d5d1c8;
        }
        .topic-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.04);
        }
        .topic-card-body {
            padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .topic-card-body h3 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 700;
            color: var(--c-ink);
        }
        .topic-card-body p {
            font-size: 13px;
            color: var(--c-text-mid);
            line-height: 1.55;
        }
        .topic-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--c-primary);
            font-weight: 600;
            background: var(--c-primary-soft);
            padding: 3px 10px;
            border-radius: 20px;
            align-self: flex-start;
        }

        /* ========== COMMUNITY ========== */
        .community-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .community-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            gap: var(--spacing-sm);
            align-items: flex-start;
            transition: all var(--transition-smooth);
        }
        .community-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #d5d1c8;
        }
        .community-avatar {
            width: 46px;
            height: 46px;
            background: var(--c-warm-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--c-primary);
            flex-shrink: 0;
        }
        .community-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 4px;
        }
        .community-content p {
            font-size: 13px;
            color: var(--c-text-mid);
            line-height: 1.55;
        }

        /* ========== RANKING ========== */
        .ranking-table {
            width: 100%;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .ranking-table table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .ranking-table th,
        .ranking-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--c-border);
            color: var(--c-text-mid);
        }
        .ranking-table th {
            background: var(--c-warm-light);
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.3px;
            color: var(--c-ink);
        }
        .ranking-table tr:last-child td {
            border-bottom: none;
        }
        .ranking-table tbody tr:hover {
            background: rgba(255, 74, 60, 0.04);
        }
        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 13px;
        }
        .rank-1 { background: #ffd700; color: #1a1a1a; }
        .rank-2 { background: #c0c0c0; color: #1a1a1a; }
        .rank-3 { background: #cd7f32; color: #fff; }
        .rank-other { background: var(--c-warm-light); color: var(--c-text-mid); }

        /* ========== PARTNERS ========== */
        .partner-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: space-between;
            align-items: center;
        }
        .partner-item {
            padding: var(--spacing-sm) var(--spacing-md);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--c-gray-light);
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            background: #fff;
            min-width: 100px;
            text-align: center;
        }
        .partner-item:hover {
            color: var(--c-ink);
            border-color: #c5c1b8;
            background: var(--c-warm-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 820px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d5d1c8;
        }
        .faq-item.open {
            border-color: var(--c-primary);
            box-shadow: 0 4px 16px rgba(255, 74, 60, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 16px;
            font-weight: 600;
            color: var(--c-ink);
            cursor: pointer;
            user-select: none;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--c-primary);
        }
        .faq-toggle-icon {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--c-warm-light);
            color: var(--c-text-mid);
            font-size: 14px;
            flex-shrink: 0;
            transition: transform var(--transition-smooth), background var(--transition-fast), color var(--transition-fast);
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(45deg);
            background: var(--c-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 var(--spacing-lg);
            font-size: 15px;
            color: var(--c-text-mid);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-lg);
        }

        /* ========== GUARANTEE ========== */
        .guarantee-bar {
            background: var(--c-primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            justify-content: space-between;
            align-items: center;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
        }
        .guarantee-item i {
            font-size: 20px;
            color: #fff;
        }

        /* ========== CTA ========== */
        .cta-section {
            display: grid;
            grid-template-columns: auto auto;
            gap: var(--spacing-lg);
            align-items: center;
            justify-content: space-between;
            background: var(--c-black);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/4b4133a3ca2d9050.webp') center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }
        .cta-content p {
            font-size: 15px;
            color: var(--c-text-on-dark-muted);
            max-width: 420px;
        }
        .cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .cta-subnote {
            font-size: 13px;
            color: var(--c-gray-light);
            text-align: right;
            position: relative;
            z-index: 1;
            grid-column: 1 / -1;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--c-black);
            color: var(--c-text-on-dark-muted);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand h3 em {
            font-style: normal;
            color: var(--c-primary);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--c-text-on-dark-muted);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--c-primary);
        }
        .footer-subscribe {
            display: flex;
            gap: var(--spacing-xs);
            margin-top: var(--spacing-sm);
        }
        .footer-subscribe input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-body);
            transition: border-color var(--transition-fast);
        }
        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--c-primary);
        }
        .footer-subscribe button {
            padding: 12px 20px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .footer-subscribe button:hover {
            background: var(--c-primary-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }
        .footer-bottom-links {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--c-primary);
        }

        /* ========== SCROLL ANIMATION ========== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero {
                min-height: auto;
                padding: var(--spacing-xl) 0;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: flex-start;
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .brand-intro-layout {
                grid-template-columns: 1fr;
            }
            .community-strip {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .cta-section {
                grid-template-columns: 1fr;
            }
            .cta-subnote {
                text-align: left;
            }
        }

        @media (max-width: 767px) {
            .nav-menu {
                display: none;
            }
            .nav-actions .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-drawer {
                display: flex;
            }
            .hero h1 {
                font-size: 30px;
                line-height: 1.3;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats-row {
                gap: var(--spacing-md);
            }
            .hero-stat-number {
                font-size: 24px;
            }
            .progress-ring {
                width: 140px;
                height: 140px;
            }
            .progress-ring .ring-bg,
            .progress-ring .ring-fg {
                stroke-width: 10;
            }
            .ring-percent {
                font-size: 28px;
            }
            .hero-match-previews {
                grid-template-columns: 1fr;
                max-width: 300px;
            }
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-heading h2 {
                font-size: 26px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .data-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .brand-intro-text h2 {
                font-size: 25px;
            }
            .ranking-table {
                font-size: 12px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .ranking-table table {
                min-width: 600px;
            }
            .guarantee-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
            .cta-section {
                padding: var(--spacing-lg);
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .nav-brand .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }

        @media (max-width: 519px) {
            .hero h1 {
                font-size: 27px;
            }
            .hero-stat-number {
                font-size: 22px;
            }
            .hero-stats-row {
                gap: var(--spacing-sm);
            }
            .data-strip {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .section-heading h2 {
                font-size: 23px;
            }
            .btn {
                padding: 12px 18px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .btn-outline-light {
                width: auto;
            }
            .hero-cta-row .btn {
                width: auto;
            }
        }

/* roulang page: category1 */
:root {
            --c-black: #141414;
            --c-black-soft: #1e1e1e;
            --c-charcoal: #212121;
            --c-ink: #1a1a1a;
            --c-gray: #4a4a4a;
            --c-gray-light: #8a8a8a;
            --c-warm-white: #f7f5f2;
            --c-warm-light: #fbfaf8;
            --c-off-white: #f2efeb;
            --c-border: #e5e2dc;
            --c-border-dark: #333333;
            --c-primary: #ff4a3c;
            --c-primary-hover: #e63b2e;
            --c-primary-soft: #ffd9d4;
            --c-cyan: #3bf0c8;
            --c-amber: #ffc53d;
            --c-text-dark: #1a1a1a;
            --c-text-mid: #4a4a4a;
            --c-text-light: #6e6a66;
            --c-text-on-dark: #f2efeb;
            --c-text-on-dark-muted: #b0ada8;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 10px rgba(20, 20, 20, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.1);
            --shadow-lg: 0 18px 48px rgba(20, 20, 20, 0.16);
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-title: 'Archivo Black', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Inter', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 72px;
            --nav-height-scrolled: 60px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text-dark);
            background-color: var(--c-warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--c-cyan);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            max-width: 980px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(20, 20, 20, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), min-height var(--transition-smooth);
            min-height: var(--nav-height);
        }

        .site-header.scrolled {
            background: rgba(14, 14, 14, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            min-height: var(--nav-height-scrolled);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: var(--spacing-md);
            transition: min-height var(--transition-smooth);
        }

        .site-header.scrolled .nav-inner {
            min-height: var(--nav-height-scrolled);
        }

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

        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .brand-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }

        .brand-text em {
            font-style: normal;
            color: var(--c-primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            margin-left: auto;
        }

        .nav-menu-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-on-dark-muted);
            padding: 6px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-menu-item::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--c-primary);
            transition: width var(--transition-fast);
        }

        .nav-menu-item:hover,
        .nav-menu-item.active {
            color: #fff;
        }

        .nav-menu-item:hover::after,
        .nav-menu-item.active::after {
            width: 100%;
        }

        .nav-menu-item.active {
            color: var(--c-primary);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--c-warm-white);
            border-bottom: 1px solid var(--c-border);
            padding: var(--spacing-sm) 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--c-gray-light);
        }

        .breadcrumb a {
            color: var(--c-gray-light);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--c-border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--c-text-dark);
            font-weight: 600;
        }

        .breadcrumb .back-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-right: 8px;
            color: var(--c-text-mid);
        }

        .breadcrumb .back-link:hover {
            color: var(--c-primary);
        }

        /* ========== PAGE HEADER ========== */
        .page-header {
            background: var(--c-black);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 55%;
            height: 220%;
            background: radial-gradient(circle at center, rgba(255, 74, 60, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
        }

        .page-header-inner {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            align-items: flex-end;
            justify-content: space-between;
            position: relative;
            z-index: 1;
        }

        .page-header-content h1 {
            font-family: var(--font-title);
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin: 0 0 var(--spacing-sm);
        }

        .page-header-content h1 em {
            font-style: normal;
            color: var(--c-primary);
        }

        .page-header-content .subtitle {
            font-size: 17px;
            color: var(--c-text-on-dark-muted);
            max-width: 640px;
            margin: 0;
        }

        .page-header-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .page-header-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .page-header-tags .tag:hover {
            background: rgba(255, 74, 60, 0.12);
            border-color: rgba(255, 74, 60, 0.35);
            color: var(--c-primary);
        }

        /* ========== SECTION COMMON ========== */
        .main-content section {
            padding: var(--spacing-xl) 0;
        }

        .main-content section.alt-bg {
            background: var(--c-warm-light);
        }

        .main-content section.dark-bg {
            background: var(--c-black);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--c-text-dark);
            letter-spacing: -0.3px;
            margin: 0 0 var(--spacing-xs);
            line-height: 1.3;
        }

        .dark-bg .section-header h2 {
            color: #fff;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--c-text-light);
            margin: 0;
            max-width: 700px;
        }

        .dark-bg .section-header .section-sub {
            color: var(--c-text-on-dark-muted);
        }

        .section-divider {
            border: none;
            border-top: 1px solid var(--c-border);
            margin: 0;
        }

        /* ========== FOCUS MATCH ========== */
        .focus-match-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .focus-match-main {
            background: var(--c-black);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 360px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .focus-match-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .focus-match-main .match-cover {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .focus-match-main .match-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(20, 20, 20, 0.15) 0%, rgba(20, 20, 20, 0.92) 75%);
            z-index: 1;
        }

        .focus-match-main .match-info {
            position: relative;
            z-index: 2;
            padding: var(--spacing-lg);
        }

        .focus-match-main .match-league {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            color: var(--c-amber);
            background: rgba(255, 197, 61, 0.15);
            border: 1px solid rgba(255, 197, 61, 0.3);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .focus-match-main .match-teams {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.5px;
            margin-bottom: var(--spacing-xs);
        }

        .focus-match-main .match-meta {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .focus-match-main .match-meta i {
            color: var(--c-cyan);
            font-size: 12px;
        }

        .focus-match-side {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .focus-match-side-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            cursor: default;
            flex: 1;
        }

        .focus-match-side-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--c-primary-soft);
        }

        .focus-match-side-card .side-time {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--c-primary);
            min-width: 60px;
            text-align: center;
            letter-spacing: -0.5px;
        }

        .focus-match-side-card .side-info {
            flex: 1;
        }

        .focus-match-side-card .side-teams {
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text-dark);
            margin-bottom: 2px;
        }

        .focus-match-side-card .side-league {
            font-size: 12px;
            color: var(--c-gray-light);
        }

        .focus-match-side-card .side-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .side-badge.live {
            background: var(--c-primary);
            color: #fff;
        }

        .side-badge.upcoming {
            background: var(--c-off-white);
            color: var(--c-text-mid);
        }

        /* ========== TOURNAMENT GRID ========== */
        .tournament-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .tournament-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

        .tournament-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--c-primary-soft);
        }

        .tournament-card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--c-black-soft);
        }

        .tournament-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .tournament-card:hover .tournament-card-cover img {
            transform: scale(1.03);
        }

        .tournament-card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .tournament-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin: 0;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .tournament-card:hover .tournament-card-body h3 {
            color: var(--c-primary);
        }

        .tournament-card-body .desc {
            font-size: 14px;
            color: var(--c-text-light);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .tournament-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-xs);
            font-size: 12px;
            color: var(--c-gray-light);
            padding-top: var(--spacing-xs);
            border-top: 1px solid var(--c-off-white);
        }

        .tournament-card-footer .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .tournament-card-footer .tag {
            background: var(--c-off-white);
            color: var(--c-text-mid);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 12px;
        }

        /* ========== MATCH LIST ========== */
        .match-list-section {
            background: var(--c-warm-light);
        }

        .match-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
        }

        .match-list-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--c-off-white);
            transition: background var(--transition-fast);
            cursor: default;
        }

        .match-list-item:last-child {
            border-bottom: none;
        }

        .match-list-item:hover {
            background: var(--c-warm-light);
        }

        .match-list-item .list-date {
            font-size: 13px;
            color: var(--c-text-light);
            min-width: 70px;
            text-align: center;
        }

        .match-list-item .list-date strong {
            display: block;
            font-family: var(--font-title);
            font-size: 22px;
            color: var(--c-text-dark);
            font-weight: 700;
        }

        .match-list-item .list-teams {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text-dark);
        }

        .match-list-item .list-league {
            font-size: 12px;
            color: var(--c-gray-light);
            background: var(--c-off-white);
            padding: 2px 8px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .match-list-item .list-status {
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        .list-status.live {
            color: var(--c-primary);
        }

        .list-status.upcoming {
            color: var(--c-text-light);
        }

        .list-status.finished {
            color: var(--c-gray-light);
        }

        .match-list-more {
            display: flex;
            justify-content: center;
            margin-top: var(--spacing-lg);
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-item {
            text-align: center;
            padding: var(--spacing-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            transition: border-color var(--transition-fast);
        }

        .stat-item:hover {
            border-color: rgba(255, 74, 60, 0.3);
        }

        .stat-number {
            font-family: var(--font-title);
            font-size: 38px;
            font-weight: 800;
            color: var(--c-cyan);
            letter-spacing: -0.5px;
            line-height: 1;
            margin-bottom: var(--spacing-xs);
        }

        .stat-number .suffix {
            font-size: 18px;
        }

        .stat-label {
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
        }

        /* ========== SUBSCRIBE CTA ========== */
        .subscribe-cta {
            background: var(--c-primary);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            box-shadow: var(--shadow-md);
        }

        .subscribe-cta-text h2 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-xs);
            letter-spacing: -0.3px;
        }

        .subscribe-cta-text p {
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            font-size: 14px;
        }

        .subscribe-cta-form {
            display: flex;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .subscribe-cta-form input {
            padding: 12px 16px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--c-text-dark);
            min-width: 240px;
            font-family: var(--font-body);
            transition: border-color var(--transition-fast);
        }

        .subscribe-cta-form input:focus {
            outline: none;
            border-color: var(--c-cyan);
        }

        .subscribe-cta-form button {
            padding: 12px 22px;
            background: var(--c-black);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .subscribe-cta-form button:hover {
            background: var(--c-charcoal);
            color: var(--c-cyan);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--c-black);
            color: var(--c-text-on-dark);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
        }

        .footer-brand h3 em {
            font-style: normal;
            color: var(--c-primary);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--c-primary);
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: var(--spacing-xs);
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-body);
            transition: border-color var(--transition-fast);
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: var(--c-text-on-dark-muted);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--c-cyan);
        }

        .footer-subscribe button {
            padding: 10px 16px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: var(--c-primary-hover);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-bottom-links a {
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom-links span {
            color: var(--c-text-on-dark-muted);
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            line-height: 1.4;
            font-family: var(--font-body);
        }

        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }

        .btn-primary:hover {
            background: var(--c-primary-hover);
            border-color: var(--c-primary-hover);
            color: #fff;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--c-text-dark);
            border-color: var(--c-border);
        }

        .btn-outline-dark:hover {
            background: var(--c-text-dark);
            color: #fff;
            border-color: var(--c-text-dark);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
        }

        .btn-outline-white:hover {
            background: var(--c-primary);
            border-color: var(--c-primary);
            color: #fff;
        }

        /* ========== ANIMATION ========== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .focus-match-grid {
                grid-template-columns: 1fr;
            }
            .tournament-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-header-content h1 {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 14, 14, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: var(--spacing-md);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                z-index: 999;
                margin-left: 0;
            }
            .nav-menu.open {
                transform: translateY(0);
            }
            .nav-menu-item {
                padding: 12px 0;
                width: 100%;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-menu-item::after {
                display: none;
            }
            .tournament-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
            .page-header-content h1 {
                font-size: 28px;
            }
            .page-header {
                padding: var(--spacing-lg) 0;
            }
            .match-list-item {
                flex-wrap: wrap;
                gap: var(--spacing-xs);
            }
            .match-list-item .list-date {
                min-width: auto;
                text-align: left;
            }
            .match-list-item .list-teams {
                flex-basis: 100%;
                order: 2;
            }
            .subscribe-cta {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta-form {
                width: 100%;
                flex-direction: column;
            }
            .subscribe-cta-form input {
                min-width: 0;
                width: 100%;
            }
            .subscribe-cta-form button {
                width: 100%;
            }
            .focus-match-main {
                min-height: 280px;
            }
            .focus-match-main .match-teams {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
                overflow-x: auto;
                white-space: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            section {
                padding: var(--spacing-lg) 0;
            }
            .section-header h2 {
                font-size: 23px;
            }
        }

        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 30px;
            }
            .page-header-content h1 {
                font-size: 25px;
            }
            .focus-match-main .match-teams {
                font-size: 20px;
            }
            .focus-match-side-card {
                padding: var(--spacing-sm);
            }
            .container {
                padding: 0 var(--spacing-sm);
            }
        }

/* roulang page: category2 */
:root {
            --c-black: #141414;
            --c-black-soft: #1e1e1e;
            --c-charcoal: #212121;
            --c-ink: #1a1a1a;
            --c-gray: #4a4a4a;
            --c-gray-light: #8a8a8a;
            --c-warm-white: #f7f5f2;
            --c-warm-light: #fbfaf8;
            --c-off-white: #f2efeb;
            --c-border: #e5e2dc;
            --c-border-dark: #333333;
            --c-primary: #ff4a3c;
            --c-primary-hover: #e63b2e;
            --c-primary-soft: #ffd9d4;
            --c-cyan: #3bf0c8;
            --c-amber: #ffc53d;
            --c-text-dark: #1a1a1a;
            --c-text-mid: #4a4a4a;
            --c-text-light: #6e6a66;
            --c-text-on-dark: #f2efeb;
            --c-text-on-dark-muted: #b0ada8;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 10px rgba(20, 20, 20, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.1);
            --shadow-lg: 0 18px 48px rgba(20, 20, 20, 0.16);
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-title: 'Archivo Black', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Inter', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 72px;
            --nav-height-scrolled: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text-dark);
            background-color: var(--c-warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--c-cyan);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            max-width: 980px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(20, 20, 20, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), min-height var(--transition-smooth);
            min-height: var(--nav-height);
        }

        .site-header.scrolled {
            background: rgba(14, 14, 14, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            min-height: var(--nav-height-scrolled);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: var(--spacing-md);
            transition: min-height var(--transition-smooth);
        }

        .site-header.scrolled .nav-inner {
            min-height: var(--nav-height-scrolled);
        }

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

        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .brand-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }

        .brand-text em {
            font-style: normal;
            color: var(--c-primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            margin-left: auto;
        }

        .nav-menu-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-on-dark-muted);
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-menu-item::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--c-primary);
            transition: width var(--transition-fast);
        }

        .nav-menu-item:hover {
            color: #fff;
        }

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

        .nav-menu-item.active {
            color: var(--c-primary);
            font-weight: 600;
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ========== PAGE BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--c-warm-light);
            border-bottom: 1px solid var(--c-border);
            padding: var(--spacing-sm) 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--c-gray-light);
        }

        .breadcrumb a {
            color: var(--c-gray-light);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--c-border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--c-text-dark);
            font-weight: 600;
        }

        .breadcrumb .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-weight: 500;
            margin-right: 8px;
        }

        .breadcrumb .back-link i {
            font-size: 12px;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: var(--spacing-xl) 0;
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--c-primary);
            margin-bottom: var(--spacing-xs);
        }

        .section-header .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--c-primary);
        }

        .section-header h2 {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--c-text-dark);
            line-height: 1.25;
            margin-bottom: var(--spacing-xs);
        }

        .section-header p {
            font-size: 16px;
            color: var(--c-text-light);
            max-width: 620px;
        }

        /* ========== H1 HERO ========== */
        .category-hero {
            background: var(--c-black);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 74, 60, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(59, 240, 200, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-family: var(--font-title);
            font-size: 44px;
            font-weight: 800;
            letter-spacing: -1px;
            color: #fff;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
        }

        .category-hero h1 em {
            font-style: normal;
            color: var(--c-primary);
        }

        .category-hero .hero-desc {
            font-size: 18px;
            color: var(--c-text-on-dark-muted);
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            min-height: 44px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            border: 2px solid var(--c-primary);
        }

        .btn-primary:hover {
            background: var(--c-primary-hover);
            border-color: var(--c-primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 74, 60, 0.35);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-outline-primary {
            background: transparent;
            color: var(--c-primary);
            border: 2px solid var(--c-primary);
        }

        .btn-outline-primary:hover {
            background: var(--c-primary);
            color: #fff;
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            min-height: 36px;
        }

        /* ========== METRIC STRIP ========== */
        .metric-strip {
            background: var(--c-black);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: var(--spacing-md) 0;
        }

        .metric-strip .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .metric-item {
            text-align: center;
            padding: var(--spacing-sm);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }

        .metric-item:last-child {
            border-right: none;
        }

        .metric-item .metric-value {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 800;
            color: var(--c-cyan);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .metric-item .metric-value .unit {
            font-size: 18px;
            color: var(--c-text-on-dark-muted);
            font-weight: 400;
            margin-left: 2px;
        }

        .metric-item .metric-label {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            margin-top: 4px;
        }

        /* ========== DATA LIST MAIN ========== */
        .data-list-section {
            background: var(--c-warm-white);
        }

        .data-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .data-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-bottom: 2px solid var(--c-primary);
        }

        .data-card .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--c-off-white);
        }

        .data-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .data-card:hover .card-cover img {
            transform: scale(1.03);
        }

        .data-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(20, 20, 20, 0.75);
            color: #fff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .data-card .card-tag.hot {
            background: var(--c-primary);
        }

        .data-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .data-card .card-title {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .data-card:hover .card-title {
            color: var(--c-primary);
        }

        .data-card .card-summary {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-sm);
            flex: 1;
        }

        .data-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 12px;
            color: var(--c-gray-light);
            border-top: 1px solid var(--c-border);
            padding-top: var(--spacing-sm);
            margin-top: auto;
        }

        .data-card .card-meta .meta-left {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .data-card .card-meta .meta-source {
            font-weight: 500;
            color: var(--c-text-mid);
        }

        .data-card .card-meta .meta-arrow {
            color: var(--c-gray-light);
            transition: color var(--transition-fast);
        }

        .data-card:hover .card-meta .meta-arrow {
            color: var(--c-primary);
        }

        /* ========== DATA PANEL / STANDINGS ========== */
        .standings-section {
            background: var(--c-off-white);
        }

        .standings-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
        }

        .standings-panel {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .standings-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            background: var(--c-black);
            color: #fff;
        }

        .standings-panel .panel-header h3 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: -0.3px;
        }

        .standings-panel .panel-header .panel-badge {
            font-size: 12px;
            background: rgba(255, 74, 60, 0.2);
            color: var(--c-primary);
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        .standings-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .standings-table th {
            text-align: left;
            padding: 10px var(--spacing-md);
            font-weight: 600;
            color: var(--c-text-light);
            font-size: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            border-bottom: 1px solid var(--c-border);
            background: var(--c-warm-light);
        }

        .standings-table td {
            padding: 10px var(--spacing-md);
            border-bottom: 1px solid var(--c-border);
            color: var(--c-text-mid);
            font-size: 14px;
        }

        .standings-table tr:last-child td {
            border-bottom: none;
        }

        .standings-table tr:hover td {
            background: rgba(255, 74, 60, 0.04);
        }

        .standings-table .pos {
            font-weight: 700;
            color: var(--c-text-dark);
            width: 36px;
        }

        .standings-table .pos.top {
            color: var(--c-primary);
        }

        .standings-table .team-name {
            font-weight: 600;
            color: var(--c-text-dark);
        }

        .standings-table .pts {
            font-weight: 700;
            color: var(--c-primary);
            font-size: 16px;
        }

        /* ========== UPDATE INFO ========== */
        .update-info-section {
            background: var(--c-warm-white);
        }

        .update-info-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .update-info-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
        }

        .update-info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-bottom: 2px solid var(--c-primary);
        }

        .update-info-card .info-icon {
            width: 44px;
            height: 44px;
            background: var(--c-primary-soft);
            color: var(--c-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: var(--spacing-sm);
        }

        .update-info-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 6px;
        }

        .update-info-card p {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.6;
        }

        /* ========== RELATED TOPICS ========== */
        .related-topics-section {
            background: var(--c-off-white);
        }

        .topics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .topic-mini-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            display: block;
        }

        .topic-mini-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-bottom: 2px solid var(--c-primary);
        }

        .topic-mini-card .topic-cover {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--c-off-white);
        }

        .topic-mini-card .topic-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .topic-mini-card:hover .topic-cover img {
            transform: scale(1.03);
        }

        .topic-mini-card .topic-info {
            padding: var(--spacing-sm);
        }

        .topic-mini-card .topic-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }

        .topic-mini-card:hover .topic-info h4 {
            color: var(--c-primary);
        }

        .topic-mini-card .topic-info p {
            font-size: 13px;
            color: var(--c-text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--c-warm-white);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-item .faq-question {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text-dark);
            transition: color var(--transition-fast);
            user-select: none;
            -webkit-user-select: none;
        }

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

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-gray-light);
            transition: transform var(--transition-fast), color var(--transition-fast);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--c-primary);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 var(--spacing-md);
            font-size: 14px;
            color: var(--c-text-mid);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--c-black);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 74, 60, 0.12) 0%, transparent 70%);
            transform: translateY(-50%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .cta-section .cta-left h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .cta-section .cta-left p {
            font-size: 15px;
            color: var(--c-text-on-dark-muted);
            max-width: 480px;
        }

        .cta-section .cta-right {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: var(--spacing-xs);
        }

        .cta-section .cta-right .cta-note {
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
        }

        .cta-section .cta-right .cta-note a {
            color: var(--c-cyan);
            text-decoration: underline;
        }

        .cta-section .cta-right .cta-note a:hover {
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--c-black-soft);
            color: var(--c-text-on-dark-muted);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            margin-bottom: var(--spacing-xs);
        }

        .site-footer .footer-brand h3 em {
            font-style: normal;
            color: var(--c-primary);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            line-height: 1.6;
            max-width: 300px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--c-primary);
        }

        .site-footer .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .site-footer .footer-subscribe input {
            flex: 1;
            min-width: 180px;
            padding: 10px 14px;
            font-size: 14px;
            border: 1px solid var(--c-border-dark);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            outline: none;
            transition: border-color var(--transition-fast);
            font-family: var(--font-body);
        }

        .site-footer .footer-subscribe input::placeholder {
            color: var(--c-text-on-dark-muted);
        }

        .site-footer .footer-subscribe input:focus {
            border-color: var(--c-primary);
        }

        .site-footer .footer-subscribe button {
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            background: var(--c-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: 2px solid var(--c-primary);
            transition: all var(--transition-fast);
            min-height: 42px;
            white-space: nowrap;
        }

        .site-footer .footer-subscribe button:hover {
            background: var(--c-primary-hover);
            border-color: var(--c-primary-hover);
        }

        .site-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-sm);
            font-size: 13px;
        }

        .site-footer .footer-bottom-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .site-footer .footer-bottom-links a {
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom-links span {
            color: var(--c-text-on-dark-muted);
        }

        /* ========== MORE LINK ========== */
        .more-link-bar {
            display: flex;
            justify-content: center;
            margin-top: var(--spacing-lg);
        }

        .more-link-bar .btn {
            min-width: 200px;
        }

        /* ========== REVEAL ANIMATION ========== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .data-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .update-info-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .site-footer .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 991px) {
            .nav-menu {
                gap: var(--spacing-md);
            }

            .nav-menu-item {
                font-size: 14px;
            }

            .metric-strip .container {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .metric-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                padding: var(--spacing-xs);
            }

            .metric-item:nth-child(3),
            .metric-item:nth-child(4) {
                border-bottom: none;
            }

            .standings-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .update-info-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 767px) {
            :root {
                --nav-height: 60px;
                --nav-height-scrolled: 54px;
            }

            section {
                padding: var(--spacing-lg) 0;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 14, 14, 0.98);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
                transform: translateY(-120%);
                transition: transform var(--transition-smooth);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
                z-index: 999;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }

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

            .nav-menu-item {
                display: block;
                width: 100%;
                padding: 12px 0;
                font-size: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                color: var(--c-text-on-dark-muted);
            }

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

            .nav-menu-item.active {
                color: var(--c-primary);
            }

            .nav-menu-item:hover {
                color: #fff;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }

            .category-hero {
                padding: var(--spacing-lg) 0;
            }

            .category-hero h1 {
                font-size: 28px;
                letter-spacing: -0.5px;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

            .category-hero .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .metric-strip .container {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xs);
            }

            .metric-item .metric-value {
                font-size: 28px;
            }

            .metric-item .metric-value .unit {
                font-size: 14px;
            }

            .metric-item .metric-label {
                font-size: 12px;
            }

            .data-list-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .data-card .card-title {
                font-size: 16px;
            }

            .data-card .card-summary {
                font-size: 13px;
            }

            .standings-table {
                font-size: 12px;
            }

            .standings-table th,
            .standings-table td {
                padding: 8px 10px;
                font-size: 12px;
            }

            .standings-panel .panel-header h3 {
                font-size: 14px;
            }

            .topics-row {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .section-header h2 {
                font-size: 22px;
            }

            .section-header .section-tag {
                font-size: 12px;
            }

            .cta-section .container {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-md);
            }

            .cta-section .cta-left h2 {
                font-size: 22px;
            }

            .cta-section .cta-right {
                align-items: flex-start;
                width: 100%;
            }

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

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .site-footer .footer-bottom-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .faq-item .faq-question {
                font-size: 15px;
                padding: 12px var(--spacing-sm);
            }

            .faq-item .faq-answer {
                font-size: 13px;
            }
        }

        @media (max-width: 480px) {
            .metric-strip .container {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .metric-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                border-right: none;
                padding: 8px 0;
            }

            .metric-item:last-child {
                border-bottom: none;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .category-hero .hero-desc {
                font-size: 14px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
                min-height: 40px;
                width: 100%;
            }

            .data-card .card-body {
                padding: var(--spacing-sm);
            }

            .data-card .card-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

/* roulang page: category3 */
:root {
            --c-black: #141414;
            --c-black-soft: #1e1e1e;
            --c-charcoal: #212121;
            --c-ink: #1a1a1a;
            --c-gray: #4a4a4a;
            --c-gray-light: #8a8a8a;
            --c-warm-white: #f7f5f2;
            --c-warm-light: #fbfaf8;
            --c-off-white: #f2efeb;
            --c-border: #e5e2dc;
            --c-border-dark: #333333;
            --c-primary: #ff4a3c;
            --c-primary-hover: #e63b2e;
            --c-primary-soft: #ffd9d4;
            --c-cyan: #3bf0c8;
            --c-amber: #ffc53d;
            --c-text-dark: #1a1a1a;
            --c-text-mid: #4a4a4a;
            --c-text-light: #6e6a66;
            --c-text-on-dark: #f2efeb;
            --c-text-on-dark-muted: #b0ada8;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 10px rgba(20, 20, 20, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.1);
            --shadow-lg: 0 18px 48px rgba(20, 20, 20, 0.16);
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-title: 'Archivo Black', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Inter', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 72px;
            --nav-height-scrolled: 60px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text-dark);
            background-color: var(--c-warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--c-cyan);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .container-narrow {
            max-width: 980px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(20, 20, 20, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), min-height var(--transition-smooth);
            min-height: var(--nav-height);
        }

        .site-header.scrolled {
            background: rgba(14, 14, 14, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            min-height: var(--nav-height-scrolled);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: var(--spacing-md);
            transition: min-height var(--transition-smooth);
        }

        .site-header.scrolled .nav-inner {
            min-height: var(--nav-height-scrolled);
        }

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

        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .brand-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }

        .brand-text em {
            font-style: normal;
            color: var(--c-primary);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            margin-left: auto;
        }

        .nav-menu-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-on-dark-muted);
            padding: 8px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-menu-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--c-primary);
            transition: width var(--transition-fast);
        }

        .nav-menu-item:hover,
        .nav-menu-item.active {
            color: #fff;
        }

        .nav-menu-item:hover::after,
        .nav-menu-item.active::after {
            width: 100%;
        }

        .nav-menu-item.active {
            color: var(--c-primary);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            margin-left: auto;
            flex-shrink: 0;
        }

        /* ========== HERO / 问卷 ========== */
        .hero-quiz {
            background: var(--c-black);
            color: var(--c-text-on-dark);
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }

        .hero-quiz::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/5052a3d7f2cf136c.webp') center/cover no-repeat;
            opacity: 0.22;
        }

        .hero-quiz::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.92) 0%, rgba(20, 20, 20, 0.45) 50%, rgba(20, 20, 20, 0.7) 100%);
        }

        .hero-quiz .container {
            position: relative;
            z-index: 2;
        }

        .quiz-panel {
            background: rgba(30, 30, 30, 0.78);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
        }

        .quiz-title {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .quiz-title em {
            font-style: normal;
            color: var(--c-primary);
        }

        .quiz-subtitle {
            font-size: 16px;
            color: var(--c-text-on-dark-muted);
            margin-bottom: var(--spacing-lg);
            max-width: 480px;
            line-height: 1.6;
        }

        .quiz-question {
            font-size: 15px;
            font-weight: 600;
            color: var(--c-cyan);
            letter-spacing: 0.5px;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
        }

        .quiz-options {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
        }

        .quiz-option {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-on-dark);
            text-align: left;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 10px;
            min-height: 52px;
        }

        .quiz-option .opt-indicator {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }

        .quiz-option:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .quiz-option.selected {
            background: rgba(255, 74, 60, 0.15);
            border-color: var(--c-primary);
        }

        .quiz-option.selected .opt-indicator {
            background: var(--c-primary);
        }

        .quiz-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            min-height: 48px;
        }

        .quiz-btn:hover {
            background: var(--c-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 74, 60, 0.35);
            color: #fff;
        }

        .quiz-result-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            min-height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .quiz-result-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--c-amber);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .quiz-result-title {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .quiz-result-desc {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }

        .quiz-result-tag {
            display: inline-block;
            background: rgba(59, 240, 200, 0.12);
            color: var(--c-cyan);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrapper {
            background: var(--c-warm-light);
            border-bottom: 1px solid var(--c-border);
            padding: var(--spacing-sm) 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--c-text-light);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--c-text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .breadcrumb-custom .sep {
            color: var(--c-gray-light);
        }

        .breadcrumb-custom .current {
            color: var(--c-text-dark);
            font-weight: 600;
        }

        /* ========== 分类头 ========== */
        .category-header {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: var(--c-warm-white);
        }

        .category-h1 {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--c-text-dark);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }

        .category-h1 em {
            font-style: normal;
            color: var(--c-primary);
        }

        .category-desc {
            font-size: 17px;
            color: var(--c-text-mid);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== 列表主体 ========== */
        .list-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
            background: var(--c-warm-white);
        }

        .topic-card {
            background: var(--c-warm-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-bottom: 2px solid var(--c-primary);
        }

        .topic-card .card-img-wrap {
            position: relative;
            padding-top: 56.25%;
            overflow: hidden;
            background: var(--c-off-white);
        }

        .topic-card .card-img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .topic-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .topic-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--c-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }

        .topic-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .topic-card:hover .card-title {
            color: var(--c-primary);
        }

        .topic-card .card-summary {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: var(--spacing-sm);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .topic-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: var(--c-gray-light);
            border-top: 1px solid var(--c-border);
            padding-top: var(--spacing-sm);
        }

        .topic-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .load-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid var(--c-primary);
            color: var(--c-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            min-height: 48px;
        }

        .load-more-btn:hover {
            background: var(--c-primary);
            color: #fff;
        }

        /* ========== 热门排行 ========== */
        .ranking-section {
            padding: var(--spacing-xl) 0;
            background: var(--c-off-white);
        }

        .section-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--c-primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-xs);
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: var(--c-text-dark);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.3px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: var(--c-warm-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm) var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition-fast);
        }

        .rank-item:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .rank-num {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: var(--c-primary);
            flex-shrink: 0;
            width: 48px;
            text-align: center;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-info h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--c-text-dark);
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info p {
            font-size: 13px;
            color: var(--c-text-light);
            margin-bottom: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            flex-shrink: 0;
        }

        .rank-badge.hot {
            background: rgba(255, 74, 60, 0.1);
            color: var(--c-primary);
        }

        .rank-badge.new {
            background: rgba(59, 240, 200, 0.12);
            color: #0f9b7f;
        }

        /* ========== 数据面板 ========== */
        .data-panel {
            padding: var(--spacing-xl) 0;
            background: var(--c-black);
            color: var(--c-text-on-dark);
        }

        .data-panel .section-title {
            color: #fff;
        }

        .data-panel .section-label {
            color: var(--c-cyan);
        }

        .stat-block {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .stat-block:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }

        .stat-number {
            font-family: var(--font-title);
            font-size: 40px;
            font-weight: 800;
            color: var(--c-cyan);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
        }

        /* ========== 标签云 ========== */
        .tags-section {
            padding: var(--spacing-xl) 0;
            background: var(--c-warm-white);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
        }

        .tag-pill {
            display: inline-block;
            background: var(--c-warm-light);
            border: 1px solid var(--c-border);
            border-radius: 20px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--c-text-mid);
            transition: all var(--transition-fast);
        }

        .tag-pill:hover {
            background: var(--c-primary-soft);
            border-color: var(--c-primary);
            color: var(--c-primary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--c-off-white);
        }

        .faq-item {
            background: var(--c-warm-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--c-border-dark);
        }

        .faq-question-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 17px;
            font-weight: 600;
            color: var(--c-text-dark);
            text-align: left;
            background: none;
            border: none;
            min-height: 56px;
            transition: color var(--transition-fast);
        }

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

        .faq-question-btn .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: var(--c-off-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-question-btn .faq-icon {
            background: var(--c-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 15px;
            color: var(--c-text-mid);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--c-warm-white);
        }

        .cta-panel {
            background: var(--c-black);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            color: var(--c-text-on-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/4b4133a3ca2d9050.webp') center/cover no-repeat;
            opacity: 0.18;
        }

        .cta-panel > * {
            position: relative;
            z-index: 2;
        }

        .cta-panel h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .cta-panel p {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            margin-bottom: 0;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            min-height: 48px;
            white-space: nowrap;
        }

        .cta-btn:hover {
            background: var(--c-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 74, 60, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--c-black);
            color: var(--c-text-on-dark);
            padding: var(--spacing-xl) 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }

        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand h3 em {
            font-style: normal;
            color: var(--c-primary);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--c-primary);
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            color: #fff;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .footer-subscribe input::placeholder {
            color: var(--c-text-on-dark-muted);
        }

        .footer-subscribe input:focus {
            border-color: var(--c-primary);
        }

        .footer-subscribe button {
            background: var(--c-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .footer-subscribe button:hover {
            background: var(--c-primary-hover);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: var(--spacing-md) 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--c-text-on-dark-muted);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .quiz-panel {
                padding: var(--spacing-lg);
            }
        }

        @media (max-width: 991px) {
            .nav-menu {
                gap: var(--spacing-md);
            }
            .quiz-options {
                grid-template-columns: 1fr;
            }
            .quiz-title {
                font-size: 26px;
            }
            .cta-panel {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }

        @media (max-width: 767px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(14, 14, 14, 0.98);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: var(--spacing-xs);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                z-index: 999;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu-item {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-menu-item:hover {
                background: rgba(255, 255, 255, 0.06);
            }
            .nav-menu-item::after {
                display: none;
            }
            .quiz-panel {
                padding: var(--spacing-md);
            }
            .quiz-title {
                font-size: 22px;
            }
            .category-h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 22px;
            }
            .stat-number {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .breadcrumb-custom {
                font-size: 13px;
                overflow-x: auto;
                white-space: nowrap;
                -webkit-overflow-scrolling: touch;
            }
            .topic-card .card-title {
                font-size: 16px;
            }
            .cta-panel h3 {
                font-size: 20px;
            }
            .hero-quiz {
                padding: var(--spacing-lg) 0;
            }
        }

        @media (max-width: 520px) {
            .quiz-options {
                grid-template-columns: 1fr;
            }
            .quiz-title {
                font-size: 20px;
            }
            .category-h1 {
                font-size: 24px;
            }
            .stat-block {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            .stat-number {
                font-size: 26px;
            }
            .rank-item {
                padding: var(--spacing-xs) var(--spacing-sm);
                gap: var(--spacing-sm);
            }
            .rank-num {
                font-size: 22px;
                width: 36px;
            }
            .footer-subscribe {
                flex-direction: column;
            }
            .footer-subscribe input {
                min-width: 100%;
            }
        }

/* roulang page: category4 */
:root {
            --c-black: #141414;
            --c-black-soft: #1e1e1e;
            --c-charcoal: #212121;
            --c-ink: #1a1a1a;
            --c-gray: #4a4a4a;
            --c-gray-light: #8a8a8a;
            --c-warm-white: #f7f5f2;
            --c-warm-light: #fbfaf8;
            --c-off-white: #f2efeb;
            --c-border: #e5e2dc;
            --c-border-dark: #333333;
            --c-primary: #ff4a3c;
            --c-primary-hover: #e63b2e;
            --c-primary-soft: #ffd9d4;
            --c-cyan: #3bf0c8;
            --c-amber: #ffc53d;
            --c-text-dark: #1a1a1a;
            --c-text-mid: #4a4a4a;
            --c-text-light: #6e6a66;
            --c-text-on-dark: #f2efeb;
            --c-text-on-dark-muted: #b0ada8;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 14px;
            --shadow-sm: 0 2px 10px rgba(20, 20, 20, 0.06);
            --shadow-md: 0 6px 24px rgba(20, 20, 20, 0.1);
            --shadow-lg: 0 18px 48px rgba(20, 20, 20, 0.16);
            --transition-fast: 0.22s ease;
            --transition-smooth: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-2xl: 96px;
            --font-title: 'Archivo Black', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Inter', 'Source Han Sans SC', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --nav-height: 72px;
            --nav-height-scrolled: 60px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text-dark);
            background-color: var(--c-warm-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid var(--c-cyan);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button {
            font-family: var(--font-body);
            cursor: pointer;
            border: none;
            background: none;
            font-size: 16px;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .container-narrow {
            max-width: 980px;
        }
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-alt {
            background-color: var(--c-warm-white);
        }
        .section-dark {
            background-color: var(--c-black);
            color: var(--c-text-on-dark);
        }
        .section-divider {
            border-top: 1px solid var(--c-border);
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(20, 20, 20, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth), min-height var(--transition-smooth);
            min-height: var(--nav-height);
        }
        .site-header.scrolled {
            background: rgba(14, 14, 14, 0.96);
            border-bottom-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
            min-height: var(--nav-height-scrolled);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-height);
            gap: var(--spacing-md);
            transition: min-height var(--transition-smooth);
        }
        .site-header.scrolled .nav-inner {
            min-height: var(--nav-height-scrolled);
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--c-primary);
            color: #fff;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .brand-text {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .brand-text em {
            font-style: normal;
            color: var(--c-primary);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            margin-left: auto;
        }
        .nav-menu-item {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text-on-dark-muted);
            padding: 6px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-menu-item::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--c-primary);
            transform: translateX(-50%);
            transition: width var(--transition-fast);
        }
        .nav-menu-item:hover {
            color: #fff;
        }
        .nav-menu-item:hover::after {
            width: 100%;
        }
        .nav-menu-item.active {
            color: var(--c-primary);
        }
        .nav-menu-item.active::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            color: #fff;
            font-size: 22px;
            background: transparent;
            border: none;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 14px 0;
            background: transparent;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--c-gray-light);
            min-width: max-content;
        }
        .breadcrumb a {
            color: var(--c-gray-light);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .breadcrumb a:hover {
            color: var(--c-primary);
        }
        .breadcrumb .sep {
            color: var(--c-border-dark);
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 700;
        }
        .breadcrumb .back-link {
            color: var(--c-gray-light);
            font-weight: 500;
        }
        .breadcrumb .back-link i {
            font-size: 12px;
        }
        /* ========== HERO DOC HELP ========== */
        .hero-doc {
            background: var(--c-black);
            padding: var(--spacing-xl) 0 var(--spacing-2xl);
            color: var(--c-text-on-dark);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-doc::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% -20%, rgba(255, 74, 60, 0.12), transparent 55%);
            pointer-events: none;
        }
        .hero-doc .container {
            position: relative;
            z-index: 1;
        }
        .hero-doc h1 {
            font-family: var(--font-title);
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .hero-doc h1 em {
            font-style: normal;
            color: var(--c-primary);
        }
        .hero-doc .hero-sub {
            font-size: 17px;
            color: var(--c-text-on-dark-muted);
            max-width: 620px;
            margin: 0 auto var(--spacing-lg);
        }
        .doc-search {
            max-width: 620px;
            margin: 0 auto var(--spacing-lg);
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-md);
            padding: 4px 4px 4px 16px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .doc-search:focus-within {
            border-color: var(--c-primary);
            background: rgba(255, 255, 255, 0.1);
        }
        .doc-search i {
            color: var(--c-gray-light);
            font-size: 16px;
            margin-right: 10px;
            flex-shrink: 0;
        }
        .doc-search input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 15px;
            font-family: var(--font-body);
            padding: 10px 0;
            outline: none;
            min-width: 0;
        }
        .doc-search input::placeholder {
            color: var(--c-text-on-dark-muted);
        }
        .doc-search button {
            background: var(--c-primary);
            color: #fff;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .doc-search button:hover {
            background: var(--c-primary-hover);
        }
        .chips-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            align-items: center;
        }
        .chips-label {
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
            margin-right: 2px;
        }
        .chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            font-size: 13px;
            color: var(--c-text-on-dark);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .chip:hover {
            background: var(--c-primary);
            border-color: var(--c-primary);
            color: #fff;
        }
        /* ========== SECTION HEADINGS ========== */
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--c-text-dark);
            margin-bottom: var(--spacing-sm);
            line-height: 1.2;
        }
        .section-title em {
            font-style: normal;
            color: var(--c-primary);
        }
        .section-sub {
            font-size: 16px;
            color: var(--c-text-light);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-head {
            margin-bottom: var(--spacing-lg);
        }
        .section-head.white .section-title {
            color: #fff;
        }
        .section-head.white .section-sub {
            color: var(--c-text-on-dark-muted);
        }
        .section-head.center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        .section-head.center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }
        /* ========== CATEGORY INTRO ========== */
        .cat-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .cat-intro-content h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: var(--c-text-dark);
            margin-bottom: var(--spacing-sm);
        }
        .cat-intro-content p {
            color: var(--c-text-mid);
            line-height: 1.9;
            margin-bottom: var(--spacing-sm);
        }
        .cat-intro-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .cat-intro-stat {
            background: var(--c-warm-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
            transition: all var(--transition-fast);
        }
        .cat-intro-stat:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-sm);
        }
        .cat-intro-stat .number {
            font-family: var(--font-title);
            font-size: 34px;
            font-weight: 800;
            color: var(--c-primary);
            line-height: 1.1;
        }
        .cat-intro-stat .label {
            font-size: 14px;
            color: var(--c-text-light);
            margin-top: 4px;
        }
        /* ========== LIST / CARDS ========== */
        .entry-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .entry-card {
            display: flex;
            gap: var(--spacing-md);
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-bottom: 2px solid var(--c-primary);
        }
        .entry-card .thumb {
            flex-shrink: 0;
            width: 160px;
            height: 110px;
            overflow: hidden;
            border-radius: var(--radius-sm);
            position: relative;
        }
        .entry-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .entry-card:hover .thumb img {
            transform: scale(1.03);
        }
        .entry-card .entry-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 4px 0;
        }
        .entry-card .entry-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .entry-card .entry-tag {
            font-size: 12px;
            background: var(--c-warm-white);
            color: var(--c-text-light);
            padding: 2px 10px;
            border-radius: 12px;
            border: 1px solid var(--c-border);
        }
        .entry-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-text-dark);
            line-height: 1.4;
            transition: color var(--transition-fast);
            margin: 8px 0 4px;
        }
        .entry-card:hover h3 {
            color: var(--c-primary);
        }
        .entry-card .entry-desc {
            font-size: 14px;
            color: var(--c-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .entry-card .entry-meta {
            font-size: 12px;
            color: var(--c-gray-light);
            margin-top: 6px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .entry-card .entry-meta i {
            font-size: 11px;
            margin-right: 3px;
        }
        .list-more {
            text-align: center;
            margin-top: var(--spacing-lg);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--c-primary);
            border: 1.5px solid var(--c-primary);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .btn-outline:hover {
            background: var(--c-primary);
            color: #fff;
        }
        .btn-outline i {
            font-size: 13px;
        }
        /* ========== DATA PANEL ========== */
        .data-panel {
            background: var(--c-black);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-lg);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            color: #fff;
        }
        .data-item {
            text-align: center;
            padding: var(--spacing-sm);
        }
        .data-item .data-number {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 800;
            color: var(--c-cyan);
            line-height: 1.1;
        }
        .data-item .data-suffix {
            font-size: 20px;
            color: var(--c-cyan);
            font-weight: 700;
        }
        .data-item .data-label {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            margin-top: 6px;
        }
        .data-item .data-trend {
            display: inline-block;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 12px;
            margin-top: 8px;
            background: rgba(59, 240, 200, 0.12);
            color: var(--c-cyan);
        }
        /* ========== HOT ENTRIES ========== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }
        .hot-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--c-black);
            cursor: pointer;
            aspect-ratio: 16/11;
        }
        .hot-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
            transition: all var(--transition-smooth);
        }
        .hot-card:hover img {
            opacity: 0.55;
            transform: scale(1.03);
        }
        .hot-card .hot-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: var(--spacing-md);
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0.1) 60%);
            transition: all var(--transition-smooth);
        }
        .hot-card .hot-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 32px;
            height: 32px;
            background: var(--c-primary);
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
        }
        .hot-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }
        .hot-card:hover h3 {
            color: var(--c-primary);
        }
        .hot-card .hot-desc {
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        /* ========== RELATED TOPICS ========== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .topic-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-fast);
        }
        .topic-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-bottom: 2px solid var(--c-primary);
        }
        .topic-item .topic-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 12px;
            background: var(--c-primary-soft);
            color: var(--c-primary);
        }
        .topic-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-text-dark);
            margin-bottom: 4px;
        }
        .topic-item p {
            font-size: 13px;
            color: var(--c-text-light);
            line-height: 1.6;
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--c-border);
            padding: var(--spacing-sm) 0;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            width: 100%;
            text-align: left;
            padding: var(--spacing-sm) 0;
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: var(--font-body);
            font-size: 17px;
            font-weight: 600;
            color: var(--c-text-dark);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--c-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--c-warm-white);
            border: 1px solid var(--c-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: all var(--transition-fast);
            color: var(--c-text-light);
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--c-primary);
            border-color: var(--c-primary);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 var(--spacing-sm);
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: var(--spacing-sm);
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--c-text-mid);
            line-height: 1.8;
            padding-left: var(--spacing-md);
            border-left: 3px solid var(--c-primary);
        }
        /* ========== CTA / SUBSCRIBE ========== */
        .cta-section {
            background: var(--c-black);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            color: #fff;
        }
        .cta-info h2 {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .cta-info h2 em {
            font-style: normal;
            color: var(--c-primary);
        }
        .cta-info p {
            color: var(--c-text-on-dark-muted);
            font-size: 15px;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--c-primary);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--c-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 74, 60, 0.35);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-ghost:hover {
            border-color: var(--c-primary);
            background: var(--c-primary);
            color: #fff;
        }
        .cta-note {
            margin-top: var(--spacing-sm);
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
        }
        .cta-note a {
            color: var(--c-cyan);
            text-decoration: underline;
        }
        .cta-note a:hover {
            color: #fff;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--c-black);
            color: var(--c-text-on-dark);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
            border-top: 1px solid var(--c-border-dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand h3 em {
            font-style: normal;
            color: var(--c-primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--c-primary);
        }
        .footer-subscribe {
            display: flex;
            margin-top: 8px;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 14px;
            font-family: var(--font-body);
            outline: none;
            min-width: 0;
        }
        .footer-subscribe input::placeholder {
            color: var(--c-text-on-dark-muted);
        }
        .footer-subscribe input:focus {
            border-color: var(--c-primary);
        }
        .footer-subscribe button {
            background: var(--c-primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .footer-subscribe button:hover {
            background: var(--c-primary-hover);
        }
        .footer-bottom {
            border-top: 1px solid var(--c-border-dark);
            padding-top: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: 13px;
            color: var(--c-text-on-dark-muted);
        }
        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .footer-bottom-links a {
            color: var(--c-text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom-links a:hover {
            color: var(--c-primary);
        }
        .footer-bottom-links span {
            color: var(--c-text-on-dark-muted);
        }
        /* ========== SCROLL ANIMATION ========== */
        .reveal {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        /* ========== MOBILE NAV DRAWER ========== */
        .nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 14, 14, 0.98);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-lg);
        }
        .nav-drawer.open {
            display: flex;
        }
        .nav-drawer a {
            font-size: 22px;
            font-weight: 600;
            color: #fff;
            transition: color var(--transition-fast);
        }
        .nav-drawer a:hover {
            color: var(--c-primary);
        }
        .nav-drawer .nav-drawer-close {
            position: absolute;
            top: var(--spacing-md);
            right: var(--spacing-md);
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .entry-list {
                grid-template-columns: 1fr;
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .cat-intro {
                grid-template-columns: 1fr;
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            .cta-section {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --nav-height-scrolled: 52px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
            }
            .breadcrumb-wrap {
                padding: 10px 0;
            }
            .section {
                padding: 48px 0;
            }
            .hero-doc {
                padding: 48px 0 64px;
            }
            .hero-doc h1 {
                font-size: 28px;
            }
            .doc-search {
                flex-wrap: wrap;
                padding: 12px;
                gap: 8px;
            }
            .doc-search input {
                width: 100%;
                flex-basis: 100%;
            }
            .doc-search button {
                width: 100%;
                justify-content: center;
            }
            .chips-row {
                gap: 6px;
            }
            .chip {
                font-size: 12px;
                padding: 5px 12px;
            }
            .entry-card {
                flex-direction: column;
            }
            .entry-card .thumb {
                width: 100%;
                height: 180px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .cta-section {
                padding: var(--spacing-md);
            }
            .cta-info h2 {
                font-size: 22px;
            }
            .data-item .data-number {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .cat-intro-content h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .entry-card .thumb {
                height: 140px;
            }
            .entry-card h3 {
                font-size: 15px;
            }
            .btn-outline,
            .btn-primary,
            .btn-ghost {
                padding: 10px 20px;
                font-size: 14px;
            }
            .breadcrumb {
                font-size: 12px;
            }
            .data-item .data-number {
                font-size: 26px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}