/* roulang page: index */
:root {
            --color-primary: #0f0f1a;
            --color-primary-soft: #1a1a2e;
            --color-accent: #e94560;
            --color-accent-hover: #d63850;
            --color-gold: #c9a96e;
            --color-gold-light: #e0c78a;
            --color-bg: #fafaf9;
            --color-bg-alt: #f2f1ee;
            --color-surface: #ffffff;
            --color-surface-dark: #1a1a26;
            --color-text: #1a1a22;
            --color-text-soft: #4a4a56;
            --color-text-light: #7a7a88;
            --color-text-on-dark: #e8e8ec;
            --color-text-on-dark-soft: #b0b0ba;
            --color-border: #e2e1dd;
            --color-border-light: #f0efeb;
            --color-border-strong: #d0cfca;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(15,15,26,0.05);
            --shadow: 0 4px 24px rgba(15,15,26,0.08);
            --shadow-md: 0 8px 36px rgba(15,15,26,0.10);
            --shadow-lg: 0 16px 48px rgba(15,15,26,0.12);
            --shadow-xl: 0 24px 64px rgba(15,15,26,0.16);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Serif SC", serif;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.40s ease;
            --max-width: 1200px;
            --max-width-narrow: 880px;
            --header-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 52px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
        h3 { font-size: clamp(1.2rem, 2.2vw, 1.55rem); }
        h4 { font-size: 1.1rem; }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            max-width: var(--max-width-narrow);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
            background: rgba(255,255,255,0.95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            animation: logoPulse 2.4s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.01em;
            color: var(--color-text-soft);
            border-radius: 24px;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .nav-list a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .nav-list a.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(233,69,96,0.07);
        }

        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            z-index: 110;
        }

        .mobile-menu-btn span {
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu-btn.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15,15,26,0.5);
            z-index: 95;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .mobile-nav-overlay.open {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            padding: 16px 28px 24px;
            z-index: 96;
            transform: translateY(-10px);
            opacity: 0;
            transition: all var(--transition);
            box-shadow: var(--shadow-md);
        }

        .mobile-nav-panel.open {
            display: block;
            transform: translateY(0);
            opacity: 1;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 0;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
            transition: color var(--transition-fast);
        }

        .mobile-nav-panel a:last-child {
            border-bottom: none;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--color-accent);
        }

        /* ============ HERO ============ */
        .hero {
            position: relative;
            min-height: 82vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
            background: var(--color-primary);
            padding: 60px 20px;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.55;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(
                180deg,
                rgba(15,15,26,0.75) 0%,
                rgba(15,15,26,0.55) 40%,
                rgba(15,15,26,0.78) 100%
            );
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            color: #ffffff;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--color-gold-light);
            border: 1px solid rgba(201,169,110,0.4);
            border-radius: 24px;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            background: rgba(201,169,110,0.08);
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.18;
            margin-bottom: 18px;
            color: #ffffff;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }

        .hero-title em {
            font-style: normal;
            color: var(--color-gold-light);
            position: relative;
        }

        .hero-desc {
            font-size: clamp(1.02rem, 1.7vw, 1.2rem);
            line-height: 1.8;
            color: rgba(255,255,255,0.82);
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 0.98rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: 28px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 4px 20px rgba(233,69,96,0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 30px rgba(233,69,96,0.45);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #ffffff;
            border: 1.5px solid rgba(255,255,255,0.45);
        }

        .btn-outline:hover {
            border-color: #ffffff;
            background: rgba(255,255,255,0.08);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--color-gold);
            color: var(--color-primary);
            box-shadow: 0 4px 20px rgba(201,169,110,0.3);
        }

        .btn-gold:hover {
            background: var(--color-gold-light);
            box-shadow: 0 8px 30px rgba(201,169,110,0.4);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 0.88rem;
            border-radius: 22px;
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 1.08rem;
            border-radius: 32px;
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-dark {
            background: var(--color-surface-dark);
            color: var(--color-text-on-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header-left {
            text-align: left;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-display);
            margin-bottom: 12px;
            color: inherit;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-desc {
            color: var(--color-text-on-dark-soft);
        }

        .section-dark .section-title {
            color: #ffffff;
        }

        .divider {
            width: 48px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
            margin: 16px auto;
        }

        .divider-left {
            margin-left: 0;
        }

        /* ============ GRID ============ */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* ============ CARDS ============ */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 13px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: var(--color-accent);
            color: #ffffff;
            border-radius: 20px;
            z-index: 2;
        }

        .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-body h3 a {
            color: var(--color-text);
            transition: color var(--transition-fast);
        }

        .card-body h3 a:hover {
            color: var(--color-accent);
        }

        .card-excerpt {
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .card-meta {
            font-size: 0.82rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Featured card */
        .card-featured {
            flex-direction: row;
            grid-column: span 2;
        }

        .card-featured .card-img-wrap {
            flex: 0 0 48%;
            aspect-ratio: auto;
            min-height: 280px;
        }

        .card-featured .card-body {
            flex: 1;
            padding: 28px 30px 30px;
            justify-content: center;
        }

        .card-featured .card-body h3 {
            font-size: 1.4rem;
        }

        /* ============ STAT CARDS ============ */
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-surface);
            border-radius: var(--radius);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--color-border);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        .section-dark .stat-card {
            background: rgba(255,255,255,0.04);
            border-color: rgba(255,255,255,0.1);
        }

        .section-dark .stat-number {
            color: var(--color-gold-light);
        }

        .section-dark .stat-label {
            color: var(--color-text-on-dark-soft);
        }

        /* ============ INFO BLOCK ============ */
        .info-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .info-block.reverse {
            direction: rtl;
        }

        .info-block.reverse > * {
            direction: ltr;
        }

        .info-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .info-image img {
            border-radius: 0;
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        .info-text h2 {
            margin-bottom: 16px;
        }

        .info-text p {
            font-size: 1.02rem;
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .info-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .info-feature-tag {
            padding: 7px 16px;
            font-size: 0.88rem;
            font-weight: 500;
            background: var(--color-bg-alt);
            border-radius: 20px;
            color: var(--color-text-soft);
            border: 1px solid var(--color-border-light);
        }

        /* ============ LIST GROUP ============ */
        .list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .list-item:first-child {
            padding-top: 0;
        }

        .list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .list-item:hover {
            padding-left: 6px;
        }

        .list-item-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-xs);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            font-weight: 700;
        }

        .list-item-content h4 {
            font-size: 1rem;
            margin-bottom: 3px;
        }

        .list-item-content p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 8px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 6px;
            font-size: 1.04rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: color var(--transition-fast);
            background: none;
            border: none;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--color-border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all var(--transition);
            color: var(--color-text-light);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 6px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 6px 18px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .section-dark .faq-item {
            border-color: rgba(255,255,255,0.1);
        }

        .section-dark .faq-question {
            color: var(--color-text-on-dark);
        }

        .section-dark .faq-question:hover {
            color: var(--color-gold-light);
        }

        .section-dark .faq-answer p {
            color: var(--color-text-on-dark-soft);
        }

        .section-dark .faq-icon {
            border-color: rgba(255,255,255,0.25);
            color: var(--color-text-on-dark-soft);
        }

        /* ============ CTA ============ */
        .cta-section {
            text-align: center;
            padding: var(--section-gap) 0;
            background: linear-gradient(160deg, var(--color-primary-soft) 0%, var(--color-primary) 100%);
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233,69,96,0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #ffffff;
            margin-bottom: 14px;
        }

        .cta-content p {
            color: rgba(255,255,255,0.78);
            font-size: 1.05rem;
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-on-dark-soft);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-link {
            color: #ffffff;
            font-size: 1.25rem;
            margin-bottom: 10px;
            display: inline-block;
        }

        .footer-brand .logo-link:hover {
            color: var(--color-gold-light);
        }

        .footer-brand p {
            color: var(--color-text-on-dark-soft);
            line-height: 1.6;
            font-size: 0.88rem;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            color: var(--color-text-on-dark-soft);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-gold-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.84rem;
            color: var(--color-text-on-dark-soft);
        }

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

        .footer-bottom a:hover {
            color: var(--color-gold-light);
        }

        /* ============ EMPTY STATE ============ */
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-light);
            font-size: 1rem;
            background: var(--color-bg-alt);
            border-radius: var(--radius);
            border: 1px dashed var(--color-border);
        }

        .empty-state-icon {
            font-size: 2.5rem;
            margin-bottom: 12px;
            opacity: 0.6;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
                --section-gap-sm: 40px;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .card-featured {
                grid-column: span 1;
                flex-direction: column;
            }
            .card-featured .card-img-wrap {
                flex: auto;
                aspect-ratio: 16 / 10;
                min-height: auto;
            }
            .info-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .info-block.reverse {
                direction: ltr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 58px;
                --section-gap: 44px;
                --section-gap-sm: 32px;
            }
            .container {
                padding: 0 18px;
            }
            .header-inner {
                padding: 0 18px;
            }
            .nav-list {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero {
                min-height: 70vh;
                padding: 40px 16px;
            }
            .hero-title {
                font-size: clamp(1.8rem, 7vw, 2.6rem);
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
            .faq-question {
                font-size: 0.96rem;
                padding: 14px 4px;
            }
        }

        @media (max-width: 520px) {
            .hero {
                min-height: 60vh;
                padding: 30px 12px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.92rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .card-body {
                padding: 14px 16px 18px;
            }
            .card-body h3 {
                font-size: 1.02rem;
            }
            .info-features {
                gap: 6px;
            }
            .info-feature-tag {
                padding: 5px 12px;
                font-size: 0.8rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #c9a96e;
            --color-accent-soft: #e8d5b7;
            --color-bg: #fafaf8;
            --color-bg-warm: #f5f0e8;
            --color-surface: #ffffff;
            --color-text: #2c2416;
            --color-text-soft: #6b5e4a;
            --color-text-muted: #9a8c78;
            --color-border: #e5ded3;
            --color-border-light: #f0ebe0;
            --color-tag-bg: #faf5ed;
            --color-tag-text: #8b7355;
            --color-quote-bg: #fdfaf5;
            --color-quote-border: #c9a96e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.03);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.09);
            --shadow-xl: 0 16px 60px rgba(0,0,0,0.11);
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'Songti SC', 'SimSun', serif;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1140px;
            --max-width-article: 780px;
            --nav-height: 72px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--color-text);background:var(--color-bg);min-height:100vh;display:flex;flex-direction:column}
        img{max-width:100%;height:auto;display:block}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        button,input{font-family:inherit;font-size:inherit;border:none;outline:none}
        button{cursor:pointer;background:none}
        ul,ol{list-style:none}

        .container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 28px}
        .container--article{max-width:var(--max-width-article)}

        /* Header / Nav */
        .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--color-border-light);transition:box-shadow var(--transition-smooth)}
        .site-header.scrolled{box-shadow:var(--shadow-sm)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-height)}
        .logo-link{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--color-primary);letter-spacing:0.02em;white-space:nowrap;transition:color var(--transition-fast)}
        .logo-link:hover{color:var(--color-accent)}
        .nav-list{display:flex;align-items:center;gap:8px}
        .nav-list a{display:inline-flex;align-items:center;padding:8px 18px;font-size:0.93rem;font-weight:500;color:var(--color-text-soft);border-radius:var(--radius-sm);transition:all var(--transition-fast);position:relative;white-space:nowrap}
        .nav-list a:hover{color:var(--color-primary);background:var(--color-bg-warm)}
        .nav-list a.active{color:var(--color-accent);font-weight:600}
        .nav-list a.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:18px;height:2.5px;border-radius:2px;background:var(--color-accent)}
        .mobile-menu-btn{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}
        .mobile-menu-btn:hover{background:var(--color-bg-warm)}
        .mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--color-text);border-radius:1px;transition:all var(--transition-smooth)}
        .mobile-menu-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
        .mobile-menu-btn.open span:nth-child(2){opacity:0}
        .mobile-menu-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

        /* Article Hero */
        .article-hero{position:relative;min-height:420px;display:flex;align-items:flex-end;background:var(--color-primary);overflow:hidden}
        .article-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.45;z-index:0}
        .article-hero-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(26,26,46,0.92) 0%,rgba(26,26,46,0.5) 50%,rgba(26,26,46,0.2) 100%);z-index:1}
        .article-hero-content{position:relative;z-index:2;padding:60px 0 50px;color:#fff;width:100%}
        .article-hero-content .container--article{display:flex;flex-direction:column;gap:18px}
        .article-category-tag{display:inline-flex;align-self:flex-start;padding:6px 16px;font-size:0.82rem;font-weight:600;color:var(--color-accent);background:rgba(201,169,110,0.18);border:1px solid rgba(201,169,110,0.3);border-radius:20px;letter-spacing:0.03em;text-transform:uppercase}
        .article-hero-title{font-family:var(--font-serif);font-size:2.6rem;font-weight:700;line-height:1.25;letter-spacing:0.01em;max-width:720px}
        .article-hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:0.9rem;color:rgba(255,255,255,0.75)}
        .article-hero-meta span{display:inline-flex;align-items:center;gap:6px}
        .article-hero-meta .meta-dot{width:4px;height:4px;border-radius:50%;background:var(--color-accent);opacity:0.7}

        /* Breadcrumb */
        .breadcrumb-wrap{padding:18px 0;border-bottom:1px solid var(--color-border-light);background:var(--color-surface)}
        .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:0.85rem;color:var(--color-text-muted)}
        .breadcrumb a{color:var(--color-text-soft);transition:color var(--transition-fast)}
        .breadcrumb a:hover{color:var(--color-accent)}
        .breadcrumb .sep{color:var(--color-border);font-size:0.7rem}

        /* Article Body */
        .article-main{padding:56px 0 40px}
        .article-body{display:grid;grid-template-columns:1fr 300px;gap:50px;align-items:start}
        .article-content{min-width:0}
        .article-prose{font-family:var(--font-sans);font-size:1.08rem;line-height:1.9;color:var(--color-text)}
        .article-prose h2{font-family:var(--font-serif);font-size:1.6rem;font-weight:700;color:var(--color-primary);margin:36px 0 16px;line-height:1.35;letter-spacing:0.01em}
        .article-prose h3{font-family:var(--font-serif);font-size:1.28rem;font-weight:700;color:var(--color-primary);margin:28px 0 12px;line-height:1.4}
        .article-prose p{margin-bottom:18px;text-align:justify}
        .article-prose strong{color:var(--color-primary);font-weight:600}
        .article-prose a{color:var(--color-accent);font-weight:500;border-bottom:1px solid transparent;transition:border-color var(--transition-fast)}
        .article-prose a:hover{border-bottom-color:var(--color-accent)}
        .article-prose blockquote{margin:28px 0;padding:22px 28px;background:var(--color-quote-bg);border-left:4px solid var(--color-quote-border);border-radius:0 var(--radius-md) var(--radius-md) 0;font-family:var(--font-serif);font-size:1.1rem;color:var(--color-text-soft);font-style:italic;line-height:1.75}
        .article-prose ul,.article-prose ol{margin:16px 0 20px 24px}
        .article-prose ul li{list-style:disc;margin-bottom:8px;padding-left:4px}
        .article-prose ol li{list-style:decimal;margin-bottom:8px;padding-left:4px}
        .article-prose img{border-radius:var(--radius-md);margin:24px 0;box-shadow:var(--shadow-sm)}
        .article-prose code{font-size:0.9em;background:var(--color-bg-warm);padding:2px 8px;border-radius:4px;font-family:'SF Mono','Consolas','Monaco',monospace;color:#8b4513}
        .article-tags{margin-top:40px;padding-top:24px;border-top:1px solid var(--color-border-light);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
        .article-tags .tags-label{font-size:0.85rem;color:var(--color-text-muted);font-weight:500}
        .article-tag{display:inline-block;padding:5px 14px;font-size:0.82rem;color:var(--color-tag-text);background:var(--color-tag-bg);border-radius:20px;transition:all var(--transition-fast)}
        .article-tag:hover{background:var(--color-accent-soft);color:var(--color-primary)}

        /* Sidebar */
        .article-sidebar{position:sticky;top:calc(var(--nav-height) + 30px);display:flex;flex-direction:column;gap:30px}
        .sidebar-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--color-border-light);box-shadow:var(--shadow-xs)}
        .sidebar-card h4{font-family:var(--font-serif);font-size:1.05rem;font-weight:700;color:var(--color-primary);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--color-accent-soft);letter-spacing:0.02em}
        .sidebar-related-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--color-border-light);transition:all var(--transition-fast)}
        .sidebar-related-item:last-child{border-bottom:none;padding-bottom:0}
        .sidebar-related-item:hover{transform:translateX(3px)}
        .sidebar-related-item img{width:72px;height:52px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0}
        .sidebar-related-info{display:flex;flex-direction:column;gap:4px;min-width:0}
        .sidebar-related-info .rel-title{font-size:0.88rem;font-weight:600;color:var(--color-text);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--transition-fast)}
        .sidebar-related-info .rel-title:hover{color:var(--color-accent)}
        .sidebar-related-info .rel-date{font-size:0.75rem;color:var(--color-text-muted)}
        .sidebar-toc{font-size:0.88rem}
        .sidebar-toc a{display:block;padding:7px 0;color:var(--color-text-soft);border-bottom:1px dashed var(--color-border-light);transition:all var(--transition-fast);font-size:0.84rem}
        .sidebar-toc a:hover{color:var(--color-accent);padding-left:6px}
        .sidebar-toc a:last-child{border-bottom:none}

        /* Related Articles Section */
        .related-section{padding:50px 0 60px;background:var(--color-bg-warm)}
        .related-section .section-label{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;color:var(--color-primary);text-align:center;margin-bottom:10px;letter-spacing:0.02em}
        .related-section .section-sub{text-align:center;font-size:0.92rem;color:var(--color-text-muted);margin-bottom:36px}
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .related-card{background:var(--color-surface);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xs);border:1px solid var(--color-border-light);transition:all var(--transition-smooth);display:flex;flex-direction:column}
        .related-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
        .related-card-img{width:100%;height:180px;object-fit:cover}
        .related-card-body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;gap:10px}
        .related-card-body .rel-card-tag{font-size:0.75rem;color:var(--color-accent);font-weight:600;text-transform:uppercase;letter-spacing:0.04em}
        .related-card-body h5{font-size:1rem;font-weight:700;color:var(--color-primary);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .related-card-body .rel-card-date{font-size:0.8rem;color:var(--color-text-muted);margin-top:auto}

        /* CTA Section */
        .cta-section{padding:56px 0;text-align:center;background:var(--color-surface)}
        .cta-inner{max-width:560px;margin:0 auto}
        .cta-inner h3{font-family:var(--font-serif);font-size:1.55rem;font-weight:700;color:var(--color-primary);margin-bottom:12px}
        .cta-inner p{color:var(--color-text-soft);margin-bottom:24px;line-height:1.7}
        .btn-cta{display:inline-flex;align-items:center;gap:8px;padding:14px 34px;font-size:1rem;font-weight:600;color:#fff;background:var(--color-primary);border-radius:var(--radius-md);transition:all var(--transition-smooth);box-shadow:var(--shadow-sm);letter-spacing:0.02em}
        .btn-cta:hover{background:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-1px)}
        .btn-cta:focus-visible{outline:3px solid var(--color-accent-soft);outline-offset:3px;border-radius:var(--radius-md)}

        /* Not Found State */
        .not-found-section{padding:80px 0 60px;text-align:center}
        .not-found-icon{font-size:4rem;margin-bottom:20px;opacity:0.6}
        .not-found-section h2{font-family:var(--font-serif);font-size:1.8rem;color:var(--color-primary);margin-bottom:12px}
        .not-found-section p{color:var(--color-text-soft);margin-bottom:24px;font-size:1.05rem}
        .btn-back{display:inline-flex;align-items:center;gap:6px;padding:12px 28px;font-weight:600;color:var(--color-accent);border:2px solid var(--color-accent);border-radius:var(--radius-md);transition:all var(--transition-smooth)}
        .btn-back:hover{background:var(--color-accent);color:#fff}

        /* Footer */
        .site-footer{background:var(--color-primary);color:rgba(255,255,255,0.8);padding:50px 0 0;margin-top:auto}
        .footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,0.1)}
        .footer-brand .logo-link{color:#fff;font-size:1.3rem;display:inline-block;margin-bottom:10px}
        .footer-brand .logo-link:hover{color:var(--color-accent)}
        .footer-brand p{font-size:0.88rem;line-height:1.7;color:rgba(255,255,255,0.6);max-width:260px}
        .footer-col{display:flex;flex-direction:column;gap:9px}
        .footer-col h4{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:0.03em}
        .footer-col a{font-size:0.87rem;color:rgba(255,255,255,0.6);transition:color var(--transition-fast);padding:2px 0}
        .footer-col a:hover{color:var(--color-accent)}
        .footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:18px 0 22px;font-size:0.8rem;color:rgba(255,255,255,0.45);gap:10px}

        /* Mobile Nav Overlay */
        @media(max-width:768px){
            .mobile-menu-btn{display:flex}
            .nav-list{position:fixed;top:var(--nav-height);left:0;right:0;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);flex-direction:column;align-items:stretch;padding:16px 20px 24px;border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-lg);transform:translateY(-120%);opacity:0;pointer-events:none;transition:all var(--transition-smooth);z-index:99;gap:2px}
            .nav-list.open{transform:translateY(0);opacity:1;pointer-events:auto}
            .nav-list a{padding:13px 16px;font-size:1rem;border-radius:var(--radius-sm)}
            .nav-list a.active::after{display:none}
            .nav-list a.active{background:var(--color-bg-warm)}
        }
        @media(max-width:1024px){
            .article-body{grid-template-columns:1fr;gap:36px}
            .article-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}
            .related-grid{grid-template-columns:repeat(2,1fr)}
            .footer-inner{grid-template-columns:1fr 1fr;gap:28px}
        }
        @media(max-width:640px){
            .container{padding:0 16px}
            .article-hero{min-height:300px}
            .article-hero-content{padding:36px 0 32px}
            .article-hero-title{font-size:1.6rem}
            .article-hero-meta{gap:10px;font-size:0.8rem}
            .article-prose{font-size:1rem;line-height:1.8}
            .article-prose h2{font-size:1.3rem}
            .article-prose blockquote{padding:16px 18px;font-size:0.95rem}
            .related-grid{grid-template-columns:1fr}
            .related-card-img{height:200px}
            .article-sidebar{grid-template-columns:1fr}
            .cta-inner h3{font-size:1.3rem}
            .footer-inner{grid-template-columns:1fr;gap:24px}
            .footer-bottom{flex-direction:column;text-align:center}
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-accent: #e94560;
            --color-accent-alt: #ff6b35;
            --color-accent-soft: #fff0f3;
            --color-bg: #fafafa;
            --color-surface: #ffffff;
            --color-text: #1f1f2e;
            --color-text-soft: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-star: #f59e0b;
            --color-tag-bg: #f0f4ff;
            --color-tag-text: #3b5998;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Serif SC', serif;
            --max-width: 1200px;
            --header-height: 68px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            outline: none;
        }

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

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 32px;
        }

        .logo-link {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-soft);
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-list a:hover {
            color: var(--color-primary);
            background: rgba(0, 0, 0, 0.03);
        }

        .nav-list a.active {
            color: var(--color-accent);
            font-weight: 600;
        }

        .nav-list a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            transition: width var(--transition-fast);
        }

        .nav-list a.active:hover::after {
            width: 32px;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            gap: 5px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-fast);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== BANNER ========== */
        .category-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: var(--color-primary) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(26, 26, 46, 0.55) 50%, rgba(233, 69, 96, 0.28) 100%);
            z-index: 1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
        }

        .banner-content {
            position: relative;
            z-index: 3;
            padding: 64px 0 80px;
            color: #ffffff;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #ffffff;
        }

        .breadcrumb .sep {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: #ffffff;
            font-weight: 500;
        }

        .banner-title {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
            line-height: 1.2;
        }

        .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.6;
        }

        .banner-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 16px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }

        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== MAIN LAYOUT ========== */
        .main-with-sidebar {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            padding: 48px 0 56px;
            align-items: start;
        }

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

        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        /* ========== INTRO BLOCK ========== */
        .intro-block {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-bottom: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .intro-block::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--color-accent);
            border-radius: 0 3px 3px 0;
        }

        .intro-block h2 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .intro-block p {
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .filter-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            margin-right: 4px;
            white-space: nowrap;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            font-size: 0.88rem;
            border-radius: 20px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-soft);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-weight: 500;
        }

        .filter-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .filter-tag.active {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 600;
        }

        .filter-count {
            font-size: 0.8rem;
            margin-left: 4px;
            opacity: 0.7;
        }

        /* ========== GAME CARDS ========== */
        .game-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 32px;
        }

        .game-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .game-card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #eef1f5;
        }

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

        .game-card:hover .game-card-thumb img {
            transform: scale(1.04);
        }

        .game-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.03em;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(233, 69, 96, 0.3);
        }

        .game-card-rank {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

        .game-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .game-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.78rem;
            border-radius: 12px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-weight: 500;
        }

        .game-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .game-card-desc {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .game-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 10px;
            border-top: 1px solid var(--color-border-light);
        }

        .game-rating {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .rating-stars {
            display: flex;
            gap: 2px;
        }

        .rating-star {
            width: 14px;
            height: 14px;
            border-radius: 2px;
            background: #e5e7eb;
            transition: background var(--transition-fast);
        }

        .rating-star.filled {
            background: var(--color-star);
            box-shadow: 0 1px 3px rgba(245, 158, 11, 0.25);
        }

        .rating-star.half {
            background: linear-gradient(90deg, var(--color-star) 50%, #e5e7eb 50%);
        }

        .rating-score {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-primary);
        }

        .game-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 20px;
            background: transparent;
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .game-card-btn:hover {
            background: var(--color-accent);
            color: #fff;
        }

        .game-card-btn::after {
            content: '→';
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
        }

        .game-card-btn:hover::after {
            transform: translateX(3px);
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 10px;
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            color: var(--color-text-soft);
            background: var(--color-surface);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .pagination .current {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
            cursor: default;
        }

        .pagination .dots {
            border: none;
            background: transparent;
            cursor: default;
            color: var(--color-text-muted);
            min-width: 30px;
        }

        .pagination .prev,
        .pagination .next {
            font-weight: 600;
            gap: 3px;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.83rem;
            border-radius: 16px;
            background: var(--color-bg);
            color: var(--color-text-soft);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .tag-cloud a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
            padding: 10px 8px;
            margin: 0 -8px;
        }

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

        .rank-list-item:hover {
            background: var(--color-bg);
        }

        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .rank-num.top {
            background: var(--color-accent);
            color: #fff;
        }

        .rank-num.normal {
            background: #e5e7eb;
            color: var(--color-text-soft);
        }

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

        .rank-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-type {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        .rank-score {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-primary) 0%, #2a2a4a 100%);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            border: none;
            box-shadow: var(--shadow-md);
        }

        .sidebar-cta h3 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }

        .sidebar-cta p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .sidebar-cta .btn-white {
            display: inline-block;
            padding: 10px 24px;
            background: #fff;
            color: var(--color-primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .sidebar-cta .btn-white:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.35);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #252545 50%, #1f1f38 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            margin: 20px 0 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(233, 69, 96, 0.15);
            z-index: 1;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.12);
            z-index: 1;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 22px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 28px;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.35);
        }

        .btn-primary-lg:hover {
            background: #d63850;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(233, 69, 96, 0.45);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #14141e;
            color: #b0b0c0;
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo-link {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: inline-block;
            letter-spacing: 0.02em;
        }

        .footer-brand .logo-link:hover {
            color: var(--color-accent);
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #8888a0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ddd;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #8888a0;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: #707080;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .main-with-sidebar {
                grid-template-columns: 1fr 280px;
                gap: 24px;
                padding: 36px 0 44px;
            }

            .banner-title {
                font-size: 2.2rem;
            }

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

            .game-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

        @media (max-width: 768px) {
            .main-with-sidebar {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 28px 0 36px;
            }

            .sidebar {
                position: static;
                top: auto;
                flex-direction: column;
            }

            .banner-title {
                font-size: 1.8rem;
            }

            .banner-subtitle {
                font-size: 0.95rem;
            }

            .category-banner {
                min-height: 260px;
            }

            .banner-content {
                padding: 48px 0 64px;
            }

            .game-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .game-card-body {
                padding: 14px 16px 16px;
            }

            .game-card-title {
                font-size: 1rem;
            }

            .game-card-desc {
                font-size: 0.82rem;
            }

            .game-card-btn {
                font-size: 0.8rem;
                padding: 6px 12px;
            }

            .cta-section {
                padding: 36px 24px;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform var(--transition-base), opacity var(--transition-base);
                z-index: 99;
            }

            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-list a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
                width: 100%;
            }

            .nav-list a.active::after {
                display: none;
            }

            .nav-list a.active {
                background: var(--color-accent-soft);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .banner-title {
                font-size: 1.5rem;
            }

            .banner-subtitle {
                font-size: 0.88rem;
            }

            .category-banner {
                min-height: 220px;
            }

            .banner-content {
                padding: 36px 0 52px;
            }

            .game-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .game-card {
                flex-direction: column;
            }

            .game-card-thumb {
                aspect-ratio: 16 / 10;
            }

            .intro-block {
                padding: 20px;
            }

            .intro-block h2 {
                font-size: 1.1rem;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 0.8rem;
            }

            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 0.82rem;
            }

            .cta-section {
                padding: 28px 18px;
            }

            .cta-section h2 {
                font-size: 1.2rem;
            }

            .cta-section p {
                font-size: 0.9rem;
            }

            .btn-primary-lg,
            .btn-outline-lg {
                padding: 10px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

            .sidebar-card {
                padding: 16px 18px;
            }

            .footer-inner {
                grid-template-columns: 1fr;
                gap: 18px;
            }

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

            .logo-link {
                font-size: 1.15rem;
            }
        }