/* roulang page: index */
:root {
            --bg-deep: #14100C;
            --bg-panel: #2A2119;
            --bg-light: #F4EFE6;
            --brown-900: #1F1812;
            --brown-800: #2A2018;
            --copper: #B8863A;
            --copper-light: #D4A24E;
            --sand: #E0B15A;
            --wine: #8A2E2E;
            --wine-dark: #6B1F2A;
            --text-warm: #F8F3EA;
            --text-secondary: #C9BBA6;
            --text-muted: #8F7E68;
            --border-gold: rgba(212, 162, 78, 0.25);
            --border-gold-strong: rgba(212, 162, 78, 0.55);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --gutter: 24px;
        }
        *,
        *::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: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }
        a:hover {
            color: var(--copper-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--text-warm);
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ::selection {
            background: var(--copper);
            color: #1F1812;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: var(--gutter);
            padding-right: var(--gutter);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(20, 16, 12, 0.92);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(20, 16, 12, 0.98);
            border-bottom-color: rgba(212, 162, 78, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 1px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            border-radius: 50%;
            color: #1F1812;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
        }
        .logo:hover {
            color: var(--copper-light);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .nav-desktop>a,
        .nav-desktop .nav-item>button {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background-color var(--transition);
            border: none;
            background: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .nav-desktop>a:hover,
        .nav-desktop .nav-item>button:hover {
            color: var(--copper-light);
            background-color: rgba(212, 162, 78, 0.08);
        }
        .nav-desktop>a.active,
        .nav-desktop .nav-item>button.active {
            color: var(--sand);
        }
        .nav-desktop>a.active::after,
        .nav-desktop .nav-item>button.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .nav-desktop>a:focus-visible,
        .nav-desktop .nav-item>button:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-mega-trigger {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-mega-trigger:hover {
            border-color: var(--copper);
            color: var(--copper-light);
            background: rgba(184, 134, 58, 0.18);
        }
        .nav-mega-trigger:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            left: 0;
            background-color: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 20px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
            z-index: 999;
            max-width: 680px;
            margin-left: auto;
        }
        .mega-panel.open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-column h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--copper-light);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .mega-column a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 7px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .mega-column a:hover {
            color: var(--text-warm);
            background-color: rgba(212, 162, 78, 0.1);
        }
        .mega-column a .mega-badge {
            font-size: 11px;
            background: var(--wine);
            color: var(--text-warm);
            padding: 2px 8px;
            border-radius: 20px;
            flex-shrink: 0;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
            transition: all var(--transition);
        }
        .nav-hamburger:hover {
            border-color: var(--copper);
        }
        .nav-hamburger .bar {
            width: 22px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-hamburger.active .bar:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-hamburger.active .bar:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.active .bar:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(20, 16, 12, 0.98);
            z-index: 998;
            padding: 16px 24px 32px;
            overflow-y: auto;
            gap: 6px;
            flex-direction: column;
            border-top: 1px solid var(--border-gold);
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            font-size: 18px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 14px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-nav a:hover {
            color: var(--text-warm);
            background-color: rgba(212, 162, 78, 0.08);
        }
        .mobile-nav a.active {
            color: var(--sand);
            border-left: 3px solid var(--copper);
        }
        /* Hero */
        .hero {
            position: relative;
            min-height: 680px;
            display: flex;
            align-items: center;
            background-color: var(--bg-deep);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 16, 12, 0.94) 40%, rgba(20, 16, 12, 0.68) 80%, rgba(20, 16, 12, 0.45) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 20% 80%, rgba(212, 162, 78, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 80% 20%, rgba(138, 46, 46, 0.1) 0%, transparent 50%),
                url('data:image/svg+xml;utf8,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><path d="M0 30 Q15 20 30 30 T60 30" fill="none" stroke="rgba(212,162,78,0.15)" stroke-width="0.5"/></svg>');
            background-size: auto, auto, 60px 60px;
            z-index: 1;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-left {
            max-width: 560px;
        }
        .hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-badge {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-warm);
            background: rgba(184, 134, 58, 0.2);
            border: 1px solid var(--border-gold-strong);
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.3px;
            backdrop-filter: blur(4px);
        }
        .hero-badge.wine {
            background: rgba(138, 46, 46, 0.4);
            border-color: rgba(138, 46, 46, 0.6);
        }
        .hero h1 {
            font-family: var(--font-title);
            font-size: clamp(34px, 5vw, 52px);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-warm);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero h1 .highlight {
            color: var(--sand);
            position: relative;
        }
        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--copper);
            border-radius: 2px;
        }
        .hero-subtitle {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 500px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            letter-spacing: 0.5px;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--copper), var(--sand));
            color: #1F1812;
            box-shadow: 0 6px 20px rgba(184, 134, 58, 0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 10px 28px rgba(184, 134, 58, 0.5);
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--copper-light), #f0c86a);
            color: #1F1812;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(184, 134, 58, 0.3);
        }
        .btn-secondary {
            background: rgba(212, 162, 78, 0.08);
            border-color: var(--border-gold-strong);
            color: var(--text-warm);
        }
        .btn-secondary:hover {
            background: rgba(212, 162, 78, 0.2);
            border-color: var(--copper);
            color: var(--sand);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-data-item .number {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 700;
            color: var(--sand);
            line-height: 1.2;
        }
        .hero-data-item .label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-right {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 400px;
        }
        .hero-right .hero-image-wrap {
            position: relative;
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card-hover);
            background: var(--brown-800);
        }
        .hero-right .hero-image-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .hero-right .hero-image-wrap:hover img {
            transform: scale(1.04);
        }
        .hero-coordinate {
            position: absolute;
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            background: rgba(20, 16, 12, 0.7);
            padding: 4px 10px;
            border-radius: 4px;
            border: 1px solid var(--border-gold);
        }
        /* Section shared */
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section.dark {
            background-color: var(--bg-deep);
        }
        .section.panel {
            background-color: var(--brown-900);
        }
        .section.light-panel {
            background-color: var(--brown-800);
        }
        .section-title {
            font-family: var(--font-title);
            font-size: clamp(26px, 3.5vw, 36px);
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-warm);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 36px;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .section-header .section-title {
            margin-bottom: 8px;
        }
        .section-tag {
            font-size: 13px;
            font-weight: 600;
            color: var(--copper-light);
            letter-spacing: 1px;
            text-transform: uppercase;
            display: inline-block;
            margin-bottom: 10px;
        }
        /* KPI Dashboard */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -20px;
        }
        .kpi-card {
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .kpi-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(212, 162, 78, 0.06);
            pointer-events: none;
        }
        .kpi-card:hover {
            transform: translateY(-4px);
            border-color: var(--copper);
            box-shadow: var(--shadow-card-hover);
        }
        .kpi-card .kpi-coord {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            display: block;
        }
        .kpi-card .kpi-value {
            font-family: var(--font-title);
            font-size: 32px;
            font-weight: 700;
            color: var(--sand);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .kpi-card .kpi-value .unit {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .kpi-card .kpi-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }
        .kpi-card .kpi-aux {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Service Matrix */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .service-card:hover {
            transform: translateY(-4px);
            border-color: var(--copper);
            box-shadow: var(--shadow-card-hover);
        }
        .service-card.wide {
            grid-column: span 2;
        }
        .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(212, 162, 78, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .service-card:hover .service-icon {
            transform: scale(1.08) rotate(3deg);
        }
        .service-card .service-num {
            font-size: 12px;
            font-weight: 600;
            color: var(--copper-light);
            letter-spacing: 0.5px;
            display: block;
        }
        .service-card h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-warm);
            line-height: 1.4;
        }
        .service-card p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .service-card .service-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--sand);
            background: rgba(212, 162, 78, 0.1);
            border: 1px solid var(--border-gold);
            padding: 4px 12px;
            border-radius: 20px;
            align-self: flex-start;
            margin-top: auto;
        }
        .service-card.wide {
            background: linear-gradient(135deg, var(--brown-800) 40%, rgba(184, 134, 58, 0.2) 100%);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: center;
        }
        .service-card.wide .wide-content {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .service-card.wide .wide-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            height: 160px;
        }
        .service-card.wide .wide-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .service-card.wide:hover .wide-image img {
            transform: scale(1.05);
        }
        /* Comparison */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 20px;
            align-items: stretch;
        }
        .comparison-panel {
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .comparison-panel:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-card-hover);
        }
        .comparison-panel.best {
            border-color: var(--copper);
            background: linear-gradient(160deg, var(--brown-800) 60%, rgba(184, 134, 58, 0.18) 100%);
        }
        .comparison-panel h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 8px;
        }
        .comparison-panel .compare-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .compare-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(212, 162, 78, 0.1);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row .compare-label {
            font-size: 14px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .compare-row .compare-value {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-warm);
            text-align: right;
        }
        .compare-row .compare-value.advantage {
            color: var(--sand);
        }
        .compare-row .compare-value.weak {
            color: var(--text-muted);
            font-weight: 400;
        }
        .vs-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--copper);
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 1px;
            padding: 0 8px;
        }
        /* News */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            cursor: pointer;
        }
        .news-item:hover {
            border-color: var(--copper);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }
        .news-item .news-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--copper-light);
            flex-shrink: 0;
            min-width: 80px;
            letter-spacing: 0.5px;
        }
        .news-item .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-warm);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .news-item .news-content p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .news-sidebar {
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-sidebar h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--copper-light);
            margin-bottom: 4px;
        }
        .news-sidebar a {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px;
            border-radius: 6px;
            transition: all var(--transition);
            display: block;
        }
        .news-sidebar a:hover {
            color: var(--text-warm);
            background: rgba(212, 162, 78, 0.08);
        }
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            border-color: var(--copper);
            box-shadow: var(--shadow-card-hover);
        }
        .testimonial-card .quote-mark {
            font-family: var(--font-title);
            font-size: 40px;
            color: var(--copper);
            line-height: 1;
            opacity: 0.6;
        }
        .testimonial-card p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .testimonial-card .author {
            font-size: 13px;
            font-weight: 600;
            color: var(--copper-light);
            border-top: 1px solid rgba(212, 162, 78, 0.15);
            padding-top: 12px;
        }
        /* Partners */
        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .partner-tag {
            display: flex;
            flex-direction: column;
            gap: 4px;
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            min-width: 160px;
            transition: all var(--transition);
        }
        .partner-tag:hover {
            border-color: var(--copper);
            background: rgba(184, 134, 58, 0.08);
            transform: translateY(-2px);
        }
        .partner-tag .partner-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--sand);
        }
        .partner-tag .partner-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        /* Brand Intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro .brand-text {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .brand-intro .brand-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .brand-intro .brand-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-card);
            height: 320px;
        }
        .brand-intro .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .brand-intro .brand-image:hover img {
            transform: scale(1.04);
        }
        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--copper);
        }
        .faq-item.open {
            border-color: var(--copper);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-warm);
            padding: 18px 20px;
            cursor: pointer;
            transition: all var(--transition);
            position: relative;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            background: rgba(212, 162, 78, 0.06);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: -2px;
        }
        .faq-question .faq-num {
            font-size: 13px;
            font-weight: 600;
            color: var(--copper-light);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .faq-question .faq-toggle {
            font-size: 20px;
            color: var(--copper);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-secondary);
            border-left: 3px solid var(--copper);
            padding-left: 16px;
        }
        /* CTA Form */
        .cta-section {
            background: var(--brown-900);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(184, 134, 58, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(138, 46, 46, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-left h2 {
            font-family: var(--font-title);
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--text-warm);
            line-height: 1.4;
            margin-bottom: 14px;
        }
        .cta-left .cta-steps {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }
        .cta-step {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text-secondary);
        }
        .cta-step .step-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 162, 78, 0.2);
            border: 1px solid var(--border-gold-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--sand);
            flex-shrink: 0;
        }
        .cta-form {
            background: var(--brown-800);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .cta-form .form-group {
            margin-bottom: 16px;
        }
        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            padding: 12px 14px;
            font-size: 15px;
            background: var(--bg-deep);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            color: var(--text-warm);
            transition: all var(--transition);
            -webkit-appearance: none;
            appearance: none;
        }
        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: var(--text-muted);
        }
        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--copper);
            box-shadow: 0 0 0 3px rgba(212, 162, 78, 0.15);
            outline: none;
        }
        .cta-form select {
            background-image: url('data:image/svg+xml;utf8,<svg width="12" height="8" viewBox="0 0 12 8" xmlns="http://www.w3.org/2000/svg"><path d="M1 1l5 5 5-5" stroke="%23C9BBA6" fill="none" stroke-width="1.5"/></svg>');
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .cta-form .btn {
            width: 100%;
            font-size: 17px;
        }
        /* Footer */
        .site-footer {
            background: #0f0b08;
            border-top: 1px solid rgba(212, 162, 78, 0.15);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--copper-light);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 6px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--copper-light);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 162, 78, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--copper-light);
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card.wide {
                grid-column: span 2;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right {
                min-height: 280px;
            }
            .hero-right .hero-image-wrap img {
                height: 280px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .comparison-wrap {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .vs-divider {
                padding: 6px 0;
            }
            .brand-intro {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-right {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .section {
                padding: 48px 0;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-card.wide {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }
            .service-card.wide .wide-image {
                height: 140px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero {
                min-height: auto;
                padding: 48px 0;
            }
            .hero h1 {
                font-size: 30px;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-item .news-date {
                min-width: auto;
            }
            .cta-form {
                padding: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-data-row {
                gap: 16px;
                flex-wrap: wrap;
            }
            .section-title {
                font-size: 24px;
            }
            .service-card {
                padding: 20px 16px;
            }
            .comparison-panel {
                padding: 20px 16px;
            }
            .testimonial-card {
                padding: 18px;
            }
        }

/* roulang page: category2 */
:root {
  --bg-deep: #14100C;
  --bg-panel: #2A2119;
  --bg-light: #F4EFE6;
  --brown-900: #1F1812;
  --brown-800: #2A2018;
  --copper: #B8863A;
  --copper-light: #D4A24E;
  --sand: #E0B15A;
  --wine: #8A2E2E;
  --wine-dark: #6B1F2A;
  --text-warm: #F8F3EA;
  --text-secondary: #C9BBA6;
  --text-muted: #8F7E68;
  --border-gold: rgba(212, 162, 78, 0.25);
  --border-gold-strong: rgba(212, 162, 78, 0.55);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --container: 1200px;
  --gutter: 24px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-warm);
  background-color: var(--bg-deep);
  overflow-x: hidden;
  min-height: 100vh;
  margin: 0;
}

a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

a:hover {
  color: var(--copper-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-warm);
  outline: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(20, 16, 12, 0.92);
  border-bottom: 1px solid rgba(212, 162, 78, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition), border-color var(--transition);
}

.site-header.scrolled {
  background-color: rgba(20, 16, 12, 0.98);
  border-bottom-color: rgba(212, 162, 78, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-warm);
  white-space: nowrap;
  letter-spacing: 1px;
}

.logo .logo-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  border-radius: 50%;
  color: #1F1812;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
}

.logo:hover {
  color: var(--copper-light);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-desktop>a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background-color var(--transition);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.nav-desktop>a:hover {
  color: var(--copper-light);
  background-color: rgba(212, 162, 78, 0.08);
}

.nav-desktop>a.active {
  color: var(--sand);
}

.nav-desktop>a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--copper);
  border-radius: 2px;
}

.nav-desktop>a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-mega-trigger {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  background: rgba(184, 134, 58, 0.08);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  cursor: pointer;
}

.nav-mega-trigger:hover {
  color: var(--copper-light);
  border-color: var(--border-gold-strong);
  background: rgba(184, 134, 58, 0.14);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  background: rgba(184, 134, 58, 0.08);
  cursor: pointer;
}

.nav-hamburger .bar {
  width: 22px;
  height: 2px;
  background: var(--text-warm);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.mega-panel {
  position: absolute;
  top: 72px;
  right: var(--gutter);
  width: 580px;
  max-width: calc(100vw - 48px);
  background: var(--brown-800);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-hover);
  padding: 20px 24px;
  display: none;
  z-index: 999;
  gap: 24px;
  flex-wrap: wrap;
}

.mega-panel.open {
  display: flex;
}

.mega-column {
  flex: 1;
  min-width: 150px;
}

.mega-column h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-gold);
}

.mega-column a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  gap: 8px;
}

.mega-column a:hover {
  color: var(--copper-light);
  background: rgba(212, 162, 78, 0.08);
}

.mega-badge {
  font-size: 11px;
  color: var(--sand);
  background: rgba(212, 162, 78, 0.15);
  border: 1px solid var(--border-gold);
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

/* Breadcrumb */
.breadcrumb-bar {
  background: var(--brown-900);
  border-bottom: 1px solid rgba(212, 162, 78, 0.1);
  padding: 14px 0;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--copper-light);
}

.breadcrumb .sep {
  color: var(--text-muted);
  opacity: 0.6;
}

.breadcrumb .current {
  color: var(--sand);
}

/* Category Hero */
.category-hero {
  position: relative;
  padding: 64px 0 48px;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 360px;
  display: flex;
  align-items: center;
}

.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 16, 12, 0.92) 0%, rgba(42, 33, 25, 0.78) 55%, rgba(20, 16, 12, 0.88) 100%);
  z-index: 1;
}

.category-hero .container {
  position: relative;
  z-index: 2;
}

.category-hero-inner {
  max-width: 720px;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--sand);
  background: rgba(212, 162, 78, 0.12);
  border: 1px solid var(--border-gold-strong);
  border-radius: 20px;
  padding: 6px 16px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.category-hero h1 {
  font-family: var(--font-title);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-warm);
  margin: 0 0 18px;
}

.category-hero .hero-desc {
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-secondary);
  margin: 0 0 28px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--copper), var(--sand));
  color: #1F1812;
  box-shadow: 0 4px 16px rgba(184, 134, 58, 0.3);
  border: 1px solid var(--border-gold-strong);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--copper-light), var(--sand));
  box-shadow: 0 6px 24px rgba(184, 134, 58, 0.45);
  transform: translateY(-2px);
  color: #1F1812;
}

.btn-secondary {
  background: rgba(212, 162, 78, 0.06);
  color: var(--copper-light);
  border: 1px solid var(--border-gold);
}

.btn-secondary:hover {
  background: rgba(212, 162, 78, 0.14);
  border-color: var(--border-gold-strong);
  color: var(--sand);
  transform: translateY(-2px);
}

.btn:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* Metric Bar */
.metric-bar-section {
  padding: 32px 0;
  background: var(--brown-900);
  border-bottom: 1px solid rgba(212, 162, 78, 0.1);
}

.metric-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.metric-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--copper), var(--sand));
  opacity: 0.7;
}

.metric-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-gold-strong);
}

.metric-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--sand);
  font-family: var(--font-title);
  line-height: 1.3;
}

.metric-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
}

.metric-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Section Common */
.section {
  padding: 64px 0;
}

.section-alt {
  background: var(--brown-900);
}

.section-title {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  color: var(--text-warm);
  margin: 0 0 12px;
  line-height: 1.4;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 36px;
  max-width: 680px;
}

.section-header {
  margin-bottom: 36px;
}

.section-header .section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--copper-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
  border-bottom: 2px solid var(--copper);
  padding-bottom: 4px;
}

/* Compare Panel */
.compare-section {
  padding: 64px 0;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
}

.compare-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}

.compare-panel:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-gold-strong);
  transform: translateY(-2px);
}

.compare-panel.highlight {
  border-color: var(--border-gold-strong);
  background: linear-gradient(160deg, var(--bg-panel) 0%, rgba(184, 134, 58, 0.12) 100%);
}

.compare-panel-title {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-warm);
  margin: 0 0 8px;
}

.compare-panel-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 20px;
}

.compare-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(212, 162, 78, 0.1);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.compare-list li:last-child {
  border-bottom: none;
}

.compare-list .item-label {
  flex-shrink: 0;
  min-width: 78px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 13px;
}

.compare-list .item-value {
  flex: 1;
}

.compare-list li.advantage {
  color: var(--sand);
}

.compare-list li.advantage .item-label {
  color: var(--copper-light);
}

.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vs-badge {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: #1F1812;
  box-shadow: 0 6px 20px rgba(184, 134, 58, 0.35);
}

/* Tier Cards */
.tiers-section {
  padding: 64px 0;
  background: var(--brown-900);
  border-top: 1px solid rgba(212, 162, 78, 0.1);
  border-bottom: 1px solid rgba(212, 162, 78, 0.1);
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tier-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
  position: relative;
}

.tier-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-gold-strong);
}

.tier-card .tier-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  color: #1F1812;
}

.tier-card h3 {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-warm);
  margin: 0 0 6px;
}

.tier-card .tier-level {
  font-size: 13px;
  color: var(--copper-light);
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.tier-card .tier-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 14px;
}

.tier-card .tier-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tier-tag {
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(212, 162, 78, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  padding: 2px 10px;
  white-space: nowrap;
}

/* Scenario */
.scenario-section {
  padding: 64px 0;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scenario-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-gold-strong);
}

.scenario-card .scenario-num {
  font-size: 28px;
  font-weight: 700;
  color: var(--sand);
  font-family: var(--font-title);
  opacity: 0.8;
}

.scenario-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-warm);
  margin: 8px 0 6px;
}

.scenario-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* Steps */
.steps-section {
  padding: 64px 0;
  background: var(--brown-900);
  border-top: 1px solid rgba(212, 162, 78, 0.1);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.step-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  position: relative;
  transition: all var(--transition);
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-gold-strong);
}

.step-num {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #1F1812;
  margin: 0 auto 12px;
}

.step-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-warm);
  margin: 0 0 6px;
}

.step-item p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

/* FAQ */
.faq-section {
  padding: 64px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.faq-item {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--border-gold-strong);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-warm);
  cursor: pointer;
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  transition: all var(--transition);
}

.faq-question:hover {
  background: rgba(212, 162, 78, 0.06);
  color: var(--copper-light);
}

.faq-question:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: -2px;
}

.faq-num {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--copper-light);
  letter-spacing: 1px;
  min-width: 36px;
}

.faq-icon {
  margin-left: auto;
  font-size: 18px;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
}

.faq-answer p {
  margin: 0;
  padding-bottom: 16px;
}

.faq-item.open {
  border-left: 3px solid var(--copper);
}

.faq-item.open .faq-answer {
  max-height: 260px;
  padding-top: 4px;
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

/* CTA */
.cta-section {
  padding: 72px 0;
  background: var(--brown-900);
  border-top: 1px solid rgba(212, 162, 78, 0.15);
  border-bottom: 1px solid rgba(212, 162, 78, 0.15);
}

.cta-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.cta-left h2 {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  color: var(--text-warm);
  margin: 0 0 14px;
  line-height: 1.4;
}

.cta-left p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 20px;
}

.cta-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cta-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 0;
}

.cta-steps .cta-step-num {
  width: 28px;
  height: 28px;
  background: var(--copper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #1F1812;
  flex-shrink: 0;
}

.cta-form-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold-strong);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card-hover);
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--brown-900);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  color: var(--text-warm);
  font-size: 15px;
  transition: all var(--transition);
  box-sizing: border-box;
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:focus {
  border-color: var(--copper);
  outline: 2px solid rgba(212, 162, 78, 0.3);
  outline-offset: 0;
  background: var(--brown-800);
}

select.form-control {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238F7E68' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-control option {
  background: var(--brown-800);
  color: var(--text-warm);
}

.btn-block {
  width: 100%;
}

/* Footer */
.site-footer {
  background: var(--brown-900);
  border-top: 1px solid rgba(212, 162, 78, 0.2);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand h4 {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-warm);
  margin: 0 0 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-warm);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-gold);
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  padding: 5px 0;
  transition: all var(--transition);
}

.footer-col a:hover {
  color: var(--copper-light);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid rgba(212, 162, 78, 0.12);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--copper-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-desktop {
    gap: 10px;
  }

  .nav-desktop>a {
    font-size: 13px;
    padding: 6px 7px;
  }

  .metric-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .tiers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .cta-wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-right {
    display: none;
  }

  .category-hero {
    padding: 40px 0 32px;
    min-height: 260px;
  }

  .category-hero h1 {
    font-size: 28px;
  }

  .category-hero .hero-desc {
    font-size: 15px;
  }

  .compare-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .compare-vs {
    display: none;
  }

  .metric-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .tiers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .scenario-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .metric-value {
    font-size: 24px;
  }

  .btn {
    padding: 11px 20px;
    font-size: 14px;
  }
}

@media (max-width: 520px) {
  .metric-bar {
    grid-template-columns: 1fr;
  }

  .tiers-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .category-hero h1 {
    font-size: 24px;
  }

  .category-hero .hero-desc {
    font-size: 14px;
  }

  .cta-form-card {
    padding: 20px;
  }

  .footer-links {
    flex-direction: column;
    gap: 6px;
  }

  .mega-panel {
    top: 64px;
    right: 12px;
    width: calc(100vw - 24px);
    padding: 16px;
  }

  .section {
    padding: 36px 0;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

body.nav-open .nav-hamburger .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-hamburger .bar:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-hamburger .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(20, 16, 12, 0.98);
  z-index: 998;
  padding: 24px;
  overflow-y: auto;
}

body.nav-open .mobile-menu {
  display: block;
}

.mobile-menu a {
  display: block;
  font-size: 18px;
  color: var(--text-secondary);
  padding: 14px 0;
  border-bottom: 1px solid rgba(212, 162, 78, 0.1);
  transition: all var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--sand);
}

.mobile-menu .mobile-menu-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(212, 162, 78, 0.2);
  color: var(--text-muted);
  font-size: 13px;
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none !important;
  }
}

/* roulang page: category1 */
:root {
            --bg-deep: #14100C;
            --bg-panel: #2A2119;
            --bg-light: #F4EFE6;
            --brown-900: #1F1812;
            --brown-800: #2A2018;
            --copper: #B8863A;
            --copper-light: #D4A24E;
            --sand: #E0B15A;
            --wine: #8A2E2E;
            --wine-dark: #6B1F2A;
            --text-warm: #F8F3EA;
            --text-secondary: #C9BBA6;
            --text-muted: #8F7E68;
            --border-gold: rgba(212, 162, 78, 0.25);
            --border-gold-strong: rgba(212, 162, 78, 0.55);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --gutter: 24px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }
        a:hover {
            color: var(--copper-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--text-warm);
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: var(--gutter);
            padding-right: var(--gutter);
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(20, 16, 12, 0.92);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(20, 16, 12, 0.98);
            border-bottom-color: rgba(212, 162, 78, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 1px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            border-radius: 50%;
            color: #1F1812;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
        }
        .logo:hover {
            color: var(--copper-light);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .nav-desktop>a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background-color var(--transition);
            white-space: nowrap;
        }
        .nav-desktop>a:hover {
            color: var(--copper-light);
            background-color: rgba(212, 162, 78, 0.08);
        }
        .nav-desktop>a.active {
            color: var(--sand);
        }
        .nav-desktop>a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .nav-desktop>a:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-mega-trigger {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-mega-trigger:hover {
            color: var(--copper-light);
            border-color: var(--border-gold-strong);
            background: rgba(184, 134, 58, 0.14);
        }
        .mega-panel {
            display: none;
            position: absolute;
            top: 100%;
            right: 8px;
            width: min(620px, calc(100vw - 16px));
            background: rgba(31, 24, 18, 0.98);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            gap: 20px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
            z-index: 1001;
        }
        .mega-panel.open {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
        }
        .mega-column h4 {
            font-family: var(--font-title);
            font-size: 15px;
            color: var(--sand);
            margin-bottom: 12px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .mega-column a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid rgba(212, 162, 78, 0.08);
            transition: color var(--transition), padding-left var(--transition);
        }
        .mega-column a:last-child {
            border-bottom: none;
        }
        .mega-column a:hover {
            color: var(--copper-light);
            padding-left: 4px;
        }
        .mega-badge {
            display: inline-block;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 20px;
            background: rgba(138, 46, 46, 0.6);
            color: #F8D8B8;
            letter-spacing: 1px;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-hamburger .bar {
            width: 26px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-hamburger.open .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-hamburger.open .bar:nth-child(2) {
            opacity: 0;
        }
        .nav-hamburger.open .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Breadcrumb */
        .breadcrumb-nav {
            padding: 24px 0 0;
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--copper-light);
        }
        .breadcrumb-nav .crumb-sep {
            color: var(--border-gold-strong);
        }
        .breadcrumb-nav .crumb-current {
            color: var(--copper-light);
            font-weight: 500;
        }
        /* Hero */
        .category-hero {
            position: relative;
            padding: 48px 0 32px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 16px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 16, 12, 0.88) 0%, rgba(20, 16, 12, 0.65) 55%, rgba(20, 16, 12, 0.35) 100%);
            border-radius: var(--radius-lg);
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 40px 40px 36px;
            max-width: 720px;
        }
        .category-tag {
            display: inline-block;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(184, 134, 58, 0.22);
            color: var(--sand);
            border: 1px solid var(--border-gold);
            letter-spacing: 2px;
            margin-bottom: 16px;
        }
        .category-hero h1 {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 700;
            color: var(--text-warm);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .category-hero p {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--copper), var(--sand));
            color: #1F1812;
            box-shadow: 0 4px 14px rgba(184, 134, 58, 0.3);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--copper-light), #F0C97A);
            box-shadow: 0 8px 24px rgba(184, 134, 58, 0.45);
            transform: translateY(-2px);
            color: #1F1812;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--copper-light);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: rgba(20, 16, 12, 0.6);
            border: 1px solid var(--border-gold-strong);
            color: var(--text-warm);
        }
        .btn-secondary:hover {
            border-color: var(--copper-light);
            background: rgba(184, 134, 58, 0.14);
            color: var(--copper-light);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-gold);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .filter-tag {
            font-size: 14px;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-gold);
            color: var(--text-secondary);
            background: transparent;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--copper-light);
            color: var(--copper-light);
            background: rgba(184, 134, 58, 0.08);
        }
        .filter-tag.active {
            background: rgba(184, 134, 58, 0.22);
            color: var(--sand);
            border-color: var(--copper-light);
        }
        /* Main layout */
        .task-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 28px;
            padding-bottom: 60px;
        }
        .task-card-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .task-card-horizontal {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 20px;
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .task-card-horizontal:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .task-card-img {
            position: relative;
            min-height: 180px;
            overflow: hidden;
        }
        .task-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .task-card-horizontal:hover .task-card-img img {
            transform: scale(1.04);
        }
        .task-card-img .task-type-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 16px;
            background: rgba(20, 16, 12, 0.78);
            color: var(--sand);
            border: 1px solid var(--border-gold);
            letter-spacing: 1px;
        }
        .task-card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .task-card-body h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-warm);
            line-height: 1.4;
        }
        .task-card-body .task-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            flex: 1;
        }
        .task-meta-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .task-meta-row span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .task-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            padding-top: 8px;
            border-top: 1px solid rgba(212, 162, 78, 0.12);
        }
        .task-bounty {
            font-size: 24px;
            font-weight: 700;
            color: var(--sand);
            font-family: var(--font-title);
        }
        .task-bounty small {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 400;
            margin-left: 4px;
        }
        .task-btn {
            font-size: 14px;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            background: rgba(184, 134, 58, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--copper-light);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .task-btn:hover {
            background: rgba(184, 134, 58, 0.32);
            border-color: var(--copper-light);
            color: var(--sand);
        }
        .task-btn:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .sidebar-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }
        .sidebar-card h4 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--sand);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(212, 162, 78, 0.1);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-num {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            color: #1F1812;
            background: rgba(184, 134, 58, 0.4);
            flex-shrink: 0;
        }
        .rank-num.top1 {
            background: linear-gradient(135deg, var(--copper), var(--sand));
        }
        .rank-num.top2 {
            background: rgba(212, 162, 78, 0.6);
            color: #1F1812;
        }
        .rank-num.top3 {
            background: rgba(212, 162, 78, 0.38);
            color: #1F1812;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-warm);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .rank-value {
            font-size: 15px;
            font-weight: 700;
            color: var(--sand);
            white-space: nowrap;
        }
        .sidebar-side-btn {
            display: block;
            text-align: center;
            font-size: 14px;
            padding: 10px;
            border-radius: var(--radius-sm);
            background: rgba(184, 134, 58, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--copper-light);
            transition: all var(--transition);
            cursor: pointer;
            margin-top: 12px;
        }
        .sidebar-side-btn:hover {
            background: rgba(184, 134, 58, 0.26);
            color: var(--sand);
            border-color: var(--copper-light);
        }
        /* Pagination */
        .pagination-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 24px 0;
            flex-wrap: wrap;
        }
        .pagination-bar a,
        .pagination-bar span.page-dots {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            border: 1px solid var(--border-gold);
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .pagination-bar a:hover {
            background: rgba(184, 134, 58, 0.18);
            color: var(--copper-light);
            border-color: var(--copper-light);
        }
        .pagination-bar a.current {
            background: linear-gradient(135deg, var(--copper), var(--sand));
            color: #1F1812;
            font-weight: 700;
            border-color: transparent;
        }
        .pagination-bar a.prev-next {
            padding: 0 16px;
        }
        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, rgba(31, 24, 18, 0.95) 0%, rgba(42, 32, 24, 0.92) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .cta-section .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-section .cta-text h3 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--sand);
            margin-bottom: 8px;
        }
        .cta-section .cta-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* FAQ */
        .faq-section {
            padding: 24px 0 48px;
        }
        .faq-section .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-warm);
            text-align: center;
            margin-bottom: 28px;
            letter-spacing: 2px;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item.active {
            border-color: var(--border-gold-strong);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-warm);
            transition: background-color var(--transition), color var(--transition);
        }
        .faq-question:hover {
            background-color: rgba(184, 134, 58, 0.08);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: -2px;
        }
        .faq-qnum {
            font-family: var(--font-title);
            font-size: 13px;
            color: var(--sand);
            font-weight: 700;
            flex-shrink: 0;
            letter-spacing: 1px;
        }
        .faq-answer {
            display: none;
            padding: 0 18px 16px 48px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question {
            color: var(--copper-light);
            border-left: 3px solid var(--copper);
        }
        /* Footer */
        .site-footer {
            background: var(--brown-900);
            border-top: 1px solid rgba(212, 162, 78, 0.15);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 700;
            color: var(--sand);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
        }
        .footer-col h5 {
            font-family: var(--font-title);
            font-size: 15px;
            font-weight: 700;
            color: var(--copper-light);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--copper-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(212, 162, 78, 0.12);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-links a:hover {
            color: var(--copper-light);
            text-decoration: underline;
        }
        /* Mobile nav drawer */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 16, 12, 0.98);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav-drawer.open {
            display: flex;
        }
        .mobile-nav-drawer a {
            display: block;
            font-size: 18px;
            color: var(--text-secondary);
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            border-bottom: 1px solid rgba(212, 162, 78, 0.1);
            transition: all var(--transition);
        }
        .mobile-nav-drawer a:hover {
            background: rgba(184, 134, 58, 0.1);
            color: var(--copper-light);
        }
        .mobile-nav-drawer a.active {
            color: var(--sand);
            background: rgba(184, 134, 58, 0.08);
            border-left: 3px solid var(--copper);
        }
        .mobile-nav-close {
            display: none;
            font-size: 24px;
            color: var(--text-warm);
            padding: 8px;
            cursor: pointer;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .task-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-right .nav-mega-trigger {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .task-card-horizontal {
                grid-template-columns: 1fr;
            }
            .task-card-img {
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero-content {
                padding: 28px 20px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 24px;
                flex-direction: column;
                text-align: center;
                align-items: stretch;
            }
            .cta-section .cta-actions {
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-links {
                margin-left: 0;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .task-card-body h3 {
                font-size: 18px;
            }
            .task-bounty {
                font-size: 20px;
            }
            .filter-bar {
                gap: 8px;
            }
            .filter-tag {
                font-size: 13px;
                padding: 4px 12px;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .mega-panel.open {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #14100C;
            --bg-panel: #2A2119;
            --bg-light: #F4EFE6;
            --brown-900: #1F1812;
            --brown-800: #2A2018;
            --copper: #B8863A;
            --copper-light: #D4A24E;
            --sand: #E0B15A;
            --wine: #8A2E2E;
            --wine-dark: #6B1F2A;
            --text-warm: #F8F3EA;
            --text-secondary: #C9BBA6;
            --text-muted: #8F7E68;
            --border-gold: rgba(212, 162, 78, 0.25);
            --border-gold-strong: rgba(212, 162, 78, 0.55);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --gutter: 24px;
        }

        * {
            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: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }
        a:hover { color: var(--copper-light); }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button, input, select, textarea {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--text-warm);
            outline: none;
        }
        button { cursor: pointer; border: none; background: none; }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: var(--gutter);
            padding-right: var(--gutter);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(20, 16, 12, 0.92);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(20, 16, 12, 0.98);
            border-bottom-color: rgba(212, 162, 78, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 1px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            border-radius: 50%;
            color: #1F1812;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
        }
        .logo:hover { color: var(--copper-light); }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .nav-desktop > a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background-color var(--transition);
            white-space: nowrap;
        }
        .nav-desktop > a:hover {
            color: var(--copper-light);
            background-color: rgba(212, 162, 78, 0.08);
        }
        .nav-desktop > a.active { color: var(--sand); }
        .nav-desktop > a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .nav-desktop > a:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-mega-trigger {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .nav-mega-trigger:hover {
            color: var(--copper-light);
            background: rgba(184, 134, 58, 0.18);
            border-color: var(--border-gold-strong);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 620px;
            max-width: 90vw;
            background: #261E16;
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            box-shadow: 0 18px 45px rgba(0, 0, 0, 0.42);
            padding: 22px;
            display: none;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            z-index: 1001;
        }
        .mega-panel.open { display: grid; }
        .mega-column h4 {
            font-size: 14px;
            letter-spacing: 1px;
            color: var(--sand);
            margin-bottom: 10px;
            font-weight: 600;
        }
        .mega-column a {
            display: block;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 6px 0;
            border-bottom: 1px dashed rgba(212, 162, 78, 0.15);
        }
        .mega-column a:hover { color: var(--copper-light); }
        .mega-badge {
            background: var(--wine);
            color: #F8F3EA;
            font-size: 12px;
            border-radius: 20px;
            padding: 2px 8px;
            margin-left: 6px;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 6px;
            width: 32px;
            height: 24px;
            justify-content: center;
            align-items: center;
        }
        .nav-hamburger .bar {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: 0.3s ease;
        }
        .nav-hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
        .nav-hamburger.active .bar:nth-child(2) { opacity: 0; }
        .nav-hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 16, 12, 0.98);
            z-index: 999;
            padding: 20px 24px;
            overflow-y: auto;
        }
        .mobile-menu.open { display: block; }
        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 18px;
            color: var(--text-warm);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            font-weight: 500;
        }
        .mobile-menu a.active { color: var(--sand); }

        .page-hero {
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 72px 0 64px;
            isolation: isolate;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,16,12,0.96) 0%, rgba(20,16,12,0.68) 55%, rgba(20,16,12,0.35) 100%);
            z-index: -1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 85% 25%, rgba(212,162,78,0.18) 0, transparent 26%),
                              radial-gradient(circle at 10% 90%, rgba(184,134,58,0.22) 0, transparent 22%),
                              linear-gradient(170deg, transparent 0%, transparent 60%, rgba(20,16,12,0.8) 100%);
            z-index: -1;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 40px;
            align-items: center;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--text-secondary); }
        .breadcrumb a:hover { color: var(--copper-light); }
        .breadcrumb .sep { color: var(--copper); }
        .hero-content h1 {
            font-family: var(--font-title);
            font-size: 44px;
            line-height: 1.28;
            color: var(--text-warm);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-content .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 620px;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--copper), var(--sand));
            color: #1F1812;
            box-shadow: 0 8px 20px rgba(184, 134, 58, 0.35);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            box-shadow: 0 12px 28px rgba(184, 134, 58, 0.45);
            transform: translateY(-2px);
            color: #1F1812;
        }
        .btn-secondary {
            border: 1px solid var(--border-gold-strong);
            color: var(--sand);
            background: rgba(212, 162, 78, 0.06);
        }
        .btn-secondary:hover {
            background: rgba(212, 162, 78, 0.14);
            border-color: var(--sand);
            transform: translateY(-2px);
            color: var(--sand);
        }
        .hero-kpis {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }
        .hero-kpi {
            background: rgba(31,24,18,0.82);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-kpi strong {
            color: var(--sand);
            font-size: 18px;
        }
        .hero-visual {
            background: rgba(31,24,18,0.72);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            transform: rotate(-1.5deg);
        }
        .hero-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            pointer-events: none;
        }

        .content-section {
            padding: 72px 0;
            border-bottom: 1px solid rgba(212, 162, 78, 0.07);
        }
        .content-section:last-of-type { border-bottom: none; }
        .section-header {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-title {
            font-family: var(--font-title);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-warm);
            line-height: 1.35;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 540px;
        }

        .layout-tree {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 32px;
            align-items: start;
        }
        .tree-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px;
            position: sticky;
            top: 100px;
            box-shadow: var(--shadow-card);
        }
        .tree-card h3 {
            font-size: 18px;
            color: var(--sand);
            margin-bottom: 16px;
            font-family: var(--font-title);
        }
        .tree-item {
            display: block;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 15px;
            margin-bottom: 4px;
            border-left: 2px solid transparent;
            transition: all var(--transition);
        }
        .tree-item:hover {
            background: rgba(212, 162, 78, 0.08);
            color: var(--copper-light);
            border-left-color: var(--copper);
        }
        .tree-item.active {
            background: rgba(212, 162, 78, 0.12);
            color: var(--sand);
            border-left-color: var(--sand);
        }

        .rules-list {
            display: grid;
            gap: 20px;
        }
        .rule-item {
            background: rgba(42,33,25,0.6);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 22px;
            display: flex;
            gap: 18px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .rule-item:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .rule-index {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--copper);
            line-height: 1.2;
            min-width: 50px;
        }
        .rule-body h4 {
            font-size: 18px;
            color: var(--text-warm);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .rule-body p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
        }
        .rule-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }
        .rule-meta span {
            background: rgba(184, 134, 58, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--sand);
            font-size: 13px;
            border-radius: 20px;
            padding: 3px 10px;
        }

        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 32px;
        }
        .data-strip-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 18px;
            text-align: center;
            transition: all var(--transition);
        }
        .data-strip-card:hover {
            border-color: var(--border-gold-strong);
            transform: translateY(-3px);
        }
        .data-strip-card strong {
            font-size: 26px;
            color: var(--sand);
            display: block;
            font-family: var(--font-title);
        }
        .data-strip-card span {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .cta-panel {
            background: linear-gradient(135deg, #1F1812 0%, #2A2018 55%, #3A2D1E 100%);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
            box-shadow: var(--shadow-card-hover);
        }
        .cta-panel h3 {
            font-family: var(--font-title);
            font-size: 28px;
            color: var(--sand);
            margin-bottom: 12px;
        }
        .cta-panel p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
        }
        .cta-form {
            display: grid;
            gap: 14px;
        }
        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-field label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .form-field input,
        .form-field select {
            background: rgba(20,16,12,0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            color: var(--text-warm);
            transition: border-color var(--transition);
        }
        .form-field input:focus,
        .form-field select:focus {
            border-color: var(--sand);
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        .site-footer {
            background: #120E0A;
            border-top: 1px solid rgba(212, 162, 78, 0.18);
            padding: 56px 0 24px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h4 {
            font-family: var(--font-title);
            font-size: 24px;
            color: var(--text-warm);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-col h5 {
            font-size: 15px;
            color: var(--sand);
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 5px 0;
        }
        .footer-col a:hover {
            color: var(--copper-light);
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 162, 78, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }

        @media (max-width: 1024px) {
            .hero-inner { grid-template-columns: 1fr; }
            .hero-visual { transform: rotate(0); max-width: 560px; }
            .layout-tree { grid-template-columns: 1fr; }
            .tree-card { position: static; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .data-strip { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-desktop, .nav-mega-trigger { display: none; }
            .nav-hamburger { display: flex; }
            .content-section { padding: 48px 0; }
            .hero-content h1 { font-size: 32px; }
            .section-title { font-size: 24px; }
            .cta-panel { grid-template-columns: 1fr; padding: 24px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .hero-kpis { flex-direction: column; align-items: stretch; }
            .data-strip { grid-template-columns: 1fr; }
            .rule-item { flex-direction: column; gap: 8px; }
        }

.faq-item {
        background: rgba(42,33,25,0.6);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: border-color var(--transition);
    }
    .faq-item:hover {
        border-color: var(--border-gold-strong);
    }
    .faq-question {
        width: 100%;
        padding: 18px 20px;
        text-align: left;
        color: var(--text-warm);
        font-size: 16px;
        font-weight: 600;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        transition: background-color var(--transition), color var(--transition);
    }
    .faq-question:hover {
        background-color: rgba(212, 162, 78, 0.08);
        color: var(--sand);
    }
    .faq-question:focus-visible {
        outline: 2px solid var(--copper);
        outline-offset: -2px;
    }
    .faq-answer {
        padding: 0 20px 18px;
        color: var(--text-secondary);
        line-height: 1.85;
        font-size: 15px;
    }

/* roulang page: category3 */
:root {
  --bg-deep: #14100C;
  --bg-panel: #2A2119;
  --bg-light: #F4EFE6;
  --brown-900: #1F1812;
  --brown-800: #2A2018;
  --copper: #B8863A;
  --copper-light: #D4A24E;
  --sand: #E0B15A;
  --wine: #8A2E2E;
  --wine-dark: #6B1F2A;
  --text-warm: #F8F3EA;
  --text-secondary: #C9BBA6;
  --text-muted: #8F7E68;
  --border-gold: rgba(212, 162, 78, 0.25);
  --border-gold-strong: rgba(212, 162, 78, 0.55);
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: 0.25s ease;
  --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --container: 1200px;
  --gutter: 24px;
}

/* roulang page: bounty-ranking category3 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-warm);
  background-color: var(--bg-deep);
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

a:hover {
  color: var(--copper-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-warm);
  outline: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(20, 16, 12, 0.92);
  border-bottom: 1px solid rgba(212, 162, 78, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition), border-color var(--transition);
}

.site-header.scrolled {
  background-color: rgba(20, 16, 12, 0.98);
  border-bottom-color: rgba(212, 162, 78, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-warm);
  white-space: nowrap;
  letter-spacing: 1px;
}

.logo .logo-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  border-radius: 50%;
  color: #1F1812;
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
}

.logo:hover {
  color: var(--copper-light);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-desktop > a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background-color var(--transition);
  white-space: nowrap;
}

.nav-desktop > a:hover {
  color: var(--copper-light);
  background-color: rgba(212, 162, 78, 0.08);
}

.nav-desktop > a.active {
  color: var(--sand);
}

.nav-desktop > a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--copper);
  border-radius: 2px;
}

.nav-desktop > a:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-mega-trigger {
  font-size: 15px;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  background: rgba(184, 134, 58, 0.08);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  cursor: pointer;
}

.nav-mega-trigger:hover,
.nav-mega-trigger[aria-expanded="true"] {
  color: var(--copper-light);
  border-color: var(--border-gold-strong);
  background: rgba(184, 134, 58, 0.16);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  background: rgba(184, 134, 58, 0.08);
  transition: all var(--transition);
}

.nav-hamburger .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-warm);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
}

.nav-hamburger[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-hamburger:focus-visible,
.nav-mega-trigger:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

.mega-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(620px, calc(100vw - 32px));
  background: var(--bg-panel);
  border: 1px solid var(--border-gold-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card-hover);
  padding: 24px;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  z-index: 999;
}

.mega-panel.open {
  display: grid;
}

.mega-column h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--sand);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.mega-column a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--transition);
}

.mega-column a:hover {
  color: var(--copper-light);
}

.mega-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  background: var(--wine);
  color: var(--text-warm);
  border-radius: 20px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(20, 16, 12, 0.98);
  z-index: 1100;
  padding: 20px 24px;
  overflow-y: auto;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.mobile-nav-header .logo {
  font-size: 20px;
}

.mobile-close {
  font-size: 28px;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
  background: rgba(184, 134, 58, 0.08);
  transition: all var(--transition);
  cursor: pointer;
  line-height: 1;
}

.mobile-close:hover {
  color: var(--copper-light);
  border-color: var(--border-gold-strong);
}

.mobile-nav .nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav .nav-links a {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-warm);
  padding: 14px 0;
  border-bottom: 1px solid rgba(212, 162, 78, 0.12);
  transition: color var(--transition);
}

.mobile-nav .nav-links a:hover,
.mobile-nav .nav-links a.active {
  color: var(--sand);
}

/* --- Category3 Specific Styles --- */
/* Page Banner */
.page-banner {
  position: relative;
  padding: 56px 0 40px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 16, 12, 0.65) 0%, rgba(20, 16, 12, 0.88) 100%);
}

.page-banner .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--copper-light);
}

.breadcrumb .sep {
  color: var(--copper);
}

.page-banner h1 {
  font-family: var(--font-title);
  font-size: 40px;
  font-weight: 700;
  color: var(--text-warm);
  line-height: 1.35;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.page-banner .banner-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.banner-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.banner-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(42, 33, 25, 0.75);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  backdrop-filter: blur(6px);
}

.banner-badge .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sand);
}

/* Stats strip */
.stats-strip {
  padding: 28px 0;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-gold);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: center;
  padding: 12px 16px;
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  background: rgba(20, 16, 12, 0.6);
  transition: all var(--transition);
}

.stat-item:hover {
  border-color: var(--border-gold-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.stat-number {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  color: var(--sand);
  line-height: 1.3;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Filter Bar */
.filter-bar {
  padding: 28px 0;
  background: var(--bg-deep);
  border-bottom: 1px solid rgba(212, 162, 78, 0.1);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--sand);
  white-space: nowrap;
  min-width: 52px;
  letter-spacing: 0.5px;
}

.filter-tag {
  display: inline-block;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(42, 33, 25, 0.6);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.filter-tag:hover {
  color: var(--copper-light);
  border-color: var(--border-gold-strong);
  background: rgba(184, 134, 58, 0.12);
}

.filter-tag.active {
  color: #1F1812;
  background: var(--copper);
  border-color: var(--copper);
  font-weight: 600;
}

/* Ranking Cards Grid */
.ranking-section {
  padding: 48px 0 36px;
  background: var(--bg-deep);
}

.ranking-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rank-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.rank-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--border-gold-strong);
}

.rank-card .card-img-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.rank-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.rank-card:hover .card-img-wrap img {
  transform: scale(1.04);
}

.rank-card .card-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(20, 16, 12, 0.75) 100%);
}

.rank-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: #1F1812;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  letter-spacing: 0;
}

.rank-badge.top-1 {
  background: linear-gradient(135deg, #F5D67B, var(--sand));
  width: 52px;
  height: 52px;
  font-size: 20px;
}

.rank-change {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 16px;
  font-weight: 600;
  background: rgba(20, 16, 12, 0.7);
  backdrop-filter: blur(4px);
}

.rank-change.up {
  color: #7BC97B;
  border: 1px solid rgba(123, 201, 123, 0.4);
}

.rank-change.down {
  color: #D47B7B;
  border: 1px solid rgba(212, 123, 123, 0.4);
}

.rank-change.flat {
  color: var(--text-muted);
  border: 1px solid rgba(143, 126, 104, 0.4);
}

.card-body {
  padding: 18px 20px 20px;
}

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.card-name {
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-warm);
  line-height: 1.4;
}

.level-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.level-tag.gold {
  background: rgba(212, 162, 78, 0.2);
  color: var(--sand);
  border: 1px solid rgba(212, 162, 78, 0.4);
}

.level-tag.silver {
  background: rgba(201, 187, 166, 0.15);
  color: var(--text-secondary);
  border: 1px solid rgba(201, 187, 166, 0.3);
}

.level-tag.bronze {
  background: rgba(184, 134, 58, 0.18);
  color: #C99A6B;
  border: 1px solid rgba(184, 134, 58, 0.35);
}

.level-tag.diamond {
  background: rgba(123, 201, 200, 0.15);
  color: #8ECECB;
  border: 1px solid rgba(123, 201, 200, 0.35);
}

.card-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(212, 162, 78, 0.15);
}

.metric-item .metric-value {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 700;
  color: var(--sand);
  line-height: 1.3;
}

.metric-item .metric-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* Rules strip */
.rules-strip {
  padding: 36px 0;
  background: var(--bg-panel);
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
}

.rules-strip h2 {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-warm);
  margin-bottom: 20px;
  text-align: center;
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.rule-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: rgba(20, 16, 12, 0.5);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.rule-item:hover {
  border-color: var(--border-gold-strong);
  background: rgba(184, 134, 58, 0.08);
}

.rule-icon {
  font-size: 22px;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 134, 58, 0.15);
  border-radius: var(--radius-sm);
  color: var(--sand);
}

.rule-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-warm);
  margin-bottom: 4px;
}

.rule-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Pagination */
.pagination-wrap {
  padding: 28px 0 52px;
  display: flex;
  justify-content: center;
}

.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  background: rgba(42, 33, 25, 0.6);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.page-btn:hover {
  color: var(--copper-light);
  border-color: var(--border-gold-strong);
  background: rgba(184, 134, 58, 0.12);
}

.page-btn.active {
  color: #1F1812;
  background: var(--copper);
  border-color: var(--copper);
  font-weight: 700;
  cursor: default;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-btn:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

/* FAQ */
.faq-section {
  padding: 48px 0 64px;
  background: var(--bg-deep);
}

.faq-section h2 {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-warm);
  text-align: center;
  margin-bottom: 8px;
}

.faq-section .faq-sub {
  font-size: 15px;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 32px;
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background: var(--bg-panel);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: var(--border-gold-strong);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-warm);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
  background: none;
  border: none;
}

.faq-question:hover {
  background: rgba(184, 134, 58, 0.06);
  color: var(--copper-light);
}

.faq-question:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: -2px;
}

.faq-number {
  font-family: var(--font-title);
  font-size: 14px;
  font-weight: 700;
  color: var(--sand);
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 134, 58, 0.14);
  border-radius: 50%;
}

.faq-icon {
  margin-left: auto;
  font-size: 20px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--copper-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 20px 20px 72px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 56px 0;
  background: linear-gradient(135deg, var(--brown-900) 0%, var(--wine-dark) 100%);
  border-top: 1px solid var(--border-gold-strong);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.cta-left h2 {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-warm);
  margin-bottom: 12px;
}

.cta-left p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.cta-steps {
  list-style: none;
  padding: 0;
}

.cta-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.cta-steps .step-num {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #1F1812;
  background: var(--sand);
  border-radius: 50%;
  flex-shrink: 0;
}

.cta-right form {
  background: var(--bg-panel);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
}

.cta-right .form-group {
  margin-bottom: 16px;
}

.cta-right label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.cta-right input,
.cta-right select {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-warm);
  background: rgba(20, 16, 12, 0.7);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.cta-right input:focus,
.cta-right select:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 3px rgba(184, 134, 58, 0.2);
}

.cta-right .btn-submit {
  display: block;
  width: 100%;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  color: #1F1812;
  background: linear-gradient(135deg, var(--copper), var(--sand));
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.cta-right .btn-submit:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(184, 134, 58, 0.35);
}

.cta-right .btn-submit:active {
  transform: translateY(0);
  box-shadow: none;
}

.cta-right .btn-submit:focus-visible {
  outline: 2px solid var(--text-warm);
  outline-offset: 3px;
}

/* Footer */
.site-footer {
  background: var(--brown-900);
  padding: 56px 0 24px;
  border-top: 1px solid var(--border-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 36px;
}

.footer-brand h4 {
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-warm);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--sand);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 5px 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--copper-light);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid rgba(212, 162, 78, 0.15);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  margin-left: auto;
  display: flex;
  gap: 14px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--copper-light);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-desktop {
    gap: 10px;
  }
  .nav-desktop > a {
    font-size: 14px;
    padding: 6px 7px;
  }
  .nav-mega-trigger {
    font-size: 14px;
    padding: 6px 10px;
  }
  .ranking-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 62px;
  }
  .nav-desktop {
    display: none;
  }
  .nav-mega-trigger {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .logo {
    font-size: 19px;
  }
  .logo .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 15px;
  }
  .page-banner {
    padding: 36px 0 28px;
  }
  .page-banner h1 {
    font-size: 28px;
  }
  .page-banner .banner-sub {
    font-size: 15px;
  }
  .ranking-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .stat-number {
    font-size: 22px;
  }
  .rules-grid {
    grid-template-columns: 1fr;
  }
  .filter-group {
    gap: 6px;
  }
  .filter-tag {
    padding: 6px 12px;
    font-size: 12px;
  }
  .faq-answer-inner {
    padding-left: 18px;
  }
  .faq-question {
    padding: 14px 16px;
    font-size: 15px;
  }
  .cta-right form {
    padding: 20px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-banner h1 {
    font-size: 24px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .footer-links {
    margin-left: 0;
  }
  .filter-group {
    flex-direction: column;
    align-items: flex-start;
  }
  .filter-label {
    margin-bottom: 4px;
  }
  .rank-card .card-img-wrap {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 360px) {
  .page-banner h1 {
    font-size: 21px;
  }
  .banner-badges {
    flex-direction: column;
    gap: 8px;
  }
  .mega-panel {
    padding: 16px;
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* roulang page: category5 */
:root {
            --bg-deep: #14100C;
            --bg-panel: #2A2119;
            --bg-light: #F4EFE6;
            --brown-900: #1F1812;
            --brown-800: #2A2018;
            --copper: #B8863A;
            --copper-light: #D4A24E;
            --sand: #E0B15A;
            --wine: #8A2E2E;
            --wine-dark: #6B1F2A;
            --text-warm: #F8F3EA;
            --text-secondary: #C9BBA6;
            --text-muted: #8F7E68;
            --border-gold: rgba(212, 162, 78, 0.25);
            --border-gold-strong: rgba(212, 162, 78, 0.55);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --gutter: 24px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }

        a:hover {
            color: var(--copper-light);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--text-warm);
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            line-height: 1.45;
            margin: 0 0 0.6em;
            font-weight: 700;
            color: var(--text-warm);
        }

        h1 {
            font-size: 40px;
            letter-spacing: 1.5px;
        }

        h2 {
            font-size: 30px;
            letter-spacing: 1px;
        }

        h3 {
            font-size: 22px;
            letter-spacing: 0.5px;
        }

        h4 {
            font-size: 18px;
            letter-spacing: 0.5px;
        }

        p {
            margin: 0 0 1em;
        }

        ul,
        ol {
            margin: 0 0 1em;
            padding-left: 1.5em;
        }

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: var(--gutter);
            padding-right: var(--gutter);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(20, 16, 12, 0.92);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color var(--transition), border-color var(--transition);
        }

        .site-header.scrolled {
            background-color: rgba(20, 16, 12, 0.98);
            border-bottom-color: rgba(212, 162, 78, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 1px;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            border-radius: 50%;
            color: #1F1812;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
        }

        .logo:hover {
            color: var(--copper-light);
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .nav-desktop>a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background-color var(--transition);
            white-space: nowrap;
        }

        .nav-desktop>a:hover {
            color: var(--copper-light);
            background-color: rgba(212, 162, 78, 0.08);
        }

        .nav-desktop>a.active {
            color: var(--sand);
        }

        .nav-desktop>a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }

        .nav-desktop>a:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-mega-trigger {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            cursor: pointer;
        }

        .nav-mega-trigger:hover {
            color: var(--copper-light);
            border-color: var(--border-gold-strong);
            background: rgba(184, 134, 58, 0.15);
        }

        .nav-mega-trigger:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        .mega-panel {
            position: absolute;
            top: 72px;
            right: 24px;
            width: 580px;
            max-width: calc(100vw - 32px);
            background: var(--brown-800);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card-hover);
            padding: 24px;
            display: none;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            z-index: 1001;
        }

        .mega-panel.visible {
            display: grid;
        }

        .mega-column h4 {
            font-size: 14px;
            color: var(--sand);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .mega-column a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px dashed rgba(212, 162, 78, 0.1);
            transition: all var(--transition);
        }

        .mega-column a:hover {
            color: var(--copper-light);
            padding-left: 4px;
        }

        .mega-badge {
            font-size: 11px;
            background: var(--wine);
            color: var(--text-warm);
            padding: 2px 8px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        .nav-hamburger .bar {
            width: 24px;
            height: 2px;
            background: var(--text-warm);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .nav-hamburger[aria-expanded="true"] .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-hamburger[aria-expanded="true"] .bar:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger[aria-expanded="true"] .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-hamburger:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(20, 16, 12, 0.98);
            z-index: 999;
            padding: 20px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            display: none;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer .drawer-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .mobile-drawer .drawer-close {
            font-size: 28px;
            color: var(--text-warm);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background-color var(--transition);
        }

        .mobile-drawer .drawer-close:hover {
            background: rgba(212, 162, 78, 0.1);
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-drawer .drawer-nav a {
            font-size: 18px;
            padding: 14px 12px;
            border-bottom: 1px solid rgba(212, 162, 78, 0.15);
            color: var(--text-secondary);
            transition: all var(--transition);
            border-radius: var(--radius-sm);
        }

        .mobile-drawer .drawer-nav a:hover {
            color: var(--copper-light);
            background: rgba(184, 134, 58, 0.08);
        }

        .mobile-drawer .drawer-nav a.active {
            color: var(--sand);
            font-weight: 600;
        }

        /* Hero Banner */
        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 60px;
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 16, 12, 0.88) 0%, rgba(20, 16, 12, 0.72) 50%, rgba(42, 32, 25, 0.65) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--copper-light);
        }

        .breadcrumb .sep {
            color: var(--text-muted);
        }

        .breadcrumb .current {
            color: var(--sand);
        }

        .page-hero h1 {
            font-size: 44px;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .page-hero h1::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, var(--copper), var(--sand));
            border-radius: 2px;
        }

        .page-hero .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
            margin-top: 16px;
        }

        .hero-badges {
            display: flex;
            gap: 16px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(184, 134, 58, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .hero-badge:hover {
            background: rgba(184, 134, 58, 0.2);
            color: var(--sand);
            transform: translateY(-2px);
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--copper-light);
            flex-shrink: 0;
        }

        /* Top info strip */
        .info-strip {
            background: var(--brown-800);
            border-bottom: 1px solid var(--border-gold);
            padding: 16px 0;
        }

        .info-strip .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .info-strip .strip-text {
            font-size: 15px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .info-strip .strip-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(184, 134, 58, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--sand);
            flex-shrink: 0;
        }

        .strip-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .strip-stat {
            text-align: center;
        }

        .strip-stat .num {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--sand);
            display: block;
        }

        .strip-stat .label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Masonry section */
        .masonry-section {
            padding: 72px 0;
            background: var(--bg-deep);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head .section-kicker {
            font-size: 14px;
            color: var(--copper-light);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-kicker::before {
            content: '';
            width: 28px;
            height: 1px;
            background: var(--copper);
        }

        .section-head h2 {
            font-size: 32px;
            margin-bottom: 12px;
        }

        .section-head .section-desc {
            color: var(--text-secondary);
            max-width: 720px;
            font-size: 16px;
            line-height: 1.8;
        }

        .masonry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .masonry-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            break-inside: avoid;
        }

        .masonry-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-strong);
            transform: translateY(-4px);
        }

        .masonry-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-gold);
        }

        .masonry-card .card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .masonry-card .card-tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(184, 134, 58, 0.15);
            color: var(--sand);
            margin-bottom: 12px;
            letter-spacing: 1px;
            align-self: flex-start;
        }

        .masonry-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--text-warm);
        }

        .masonry-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .masonry-card .card-meta {
            display: flex;
            gap: 16px;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px dashed rgba(212, 162, 78, 0.2);
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .masonry-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .masonry-card.tall .card-img {
            height: 280px;
        }

        .masonry-card.medium .card-img {
            height: 220px;
        }

        .masonry-card.short .card-img {
            height: 160px;
        }

        /* Compare table section */
        .compare-section {
            padding: 72px 0;
            background: var(--brown-900);
            border-top: 1px solid rgba(212, 162, 78, 0.1);
            border-bottom: 1px solid rgba(212, 162, 78, 0.1);
        }

        .compare-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            transition: background-color var(--transition);
        }

        .compare-row:hover {
            background: rgba(184, 134, 58, 0.05);
        }

        .compare-row:last-child {
            border-bottom: none;
        }

        .compare-cell {
            padding: 18px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-cell:first-child {
            color: var(--text-warm);
            font-weight: 600;
            background: rgba(20, 16, 12, 0.4);
        }

        .compare-cell .cell-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
        }

        .compare-cell .cell-icon.gold {
            background: rgba(184, 134, 58, 0.2);
            color: var(--sand);
        }

        .compare-cell .cell-icon.wine {
            background: rgba(138, 46, 46, 0.25);
            color: #E08A8A;
        }

        .compare-cell .cell-icon.neutral {
            background: rgba(143, 126, 104, 0.2);
            color: var(--text-muted);
        }

        .compare-header .compare-cell {
            font-weight: 700;
            font-size: 17px;
            color: var(--text-warm);
            background: rgba(184, 134, 58, 0.1);
            padding: 20px 22px;
        }

        .compare-highlight {
            color: var(--sand);
            font-weight: 600;
        }

        /* CTA section */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--bg-deep) 0%, var(--brown-800) 100%);
        }

        .cta-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            box-shadow: var(--shadow-card-hover);
        }

        .cta-left h2 {
            font-size: 30px;
            margin-bottom: 16px;
        }

        .cta-left p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .cta-steps {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 20px;
        }

        .cta-step {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: rgba(184, 134, 58, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }

        .cta-step:hover {
            background: rgba(184, 134, 58, 0.15);
            transform: translateX(4px);
        }

        .cta-step .step-num {
            width: 32px;
            height: 32px;
            background: var(--copper);
            color: var(--brown-900);
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
        }

        .cta-step .step-text {
            font-size: 15px;
            color: var(--text-warm);
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cta-form label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 14px 16px;
            background: rgba(20, 16, 12, 0.6);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            color: var(--text-warm);
            font-size: 15px;
            transition: all var(--transition);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--copper-light);
            box-shadow: 0 0 0 2px rgba(212, 162, 78, 0.2);
            outline: none;
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }

        .cta-form .submit-btn {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            color: var(--brown-900);
            font-weight: 700;
            font-size: 17px;
            border-radius: var(--radius-sm);
            letter-spacing: 1px;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
        }

        .cta-form .submit-btn:hover {
            background: linear-gradient(135deg, var(--copper-light), #F0C975);
            box-shadow: 0 8px 20px rgba(212, 162, 78, 0.4);
            transform: translateY(-2px);
        }

        .cta-form .submit-btn:focus-visible {
            outline: 2px solid var(--sand);
            outline-offset: 2px;
        }

        .cta-form .submit-btn:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(212, 162, 78, 0.3);
        }

        /* Footer */
        .site-footer {
            background: var(--brown-900);
            border-top: 1px solid var(--border-gold);
            padding: 56px 0 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-family: var(--font-title);
            font-size: 22px;
            color: var(--sand);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h5 {
            font-size: 15px;
            color: var(--sand);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: var(--copper-light);
            padding-left: 4px;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(212, 162, 78, 0.15);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--copper-light);
        }

        /* Focus visible global */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 8px;
            }

            .nav-desktop>a {
                font-size: 14px;
                padding: 6px 8px;
            }

            .masonry-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 32px;
            }

            h2 {
                font-size: 26px;
            }

            h3 {
                font-size: 19px;
            }

            .nav-desktop {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

            .mega-panel {
                display: none !important;
            }

            .page-hero {
                padding: 56px 0 40px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero .hero-sub {
                font-size: 16px;
            }

            .masonry-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .masonry-card .card-img,
            .masonry-card.tall .card-img,
            .masonry-card.medium .card-img,
            .masonry-card.short .card-img {
                height: 200px;
            }

            .compare-row {
                grid-template-columns: 1fr;
                border-bottom: 2px solid rgba(212, 162, 78, 0.2);
            }

            .compare-cell {
                padding: 12px 16px;
                font-size: 14px;
            }

            .compare-header {
                display: none;
            }

            .compare-cell:first-child {
                background: rgba(184, 134, 58, 0.12);
                font-weight: 700;
                font-size: 15px;
            }

            .cta-panel {
                padding: 24px;
                gap: 24px;
            }

            .cta-left h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .info-strip .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .strip-stats {
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --gutter: 16px;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

            .hero-badges {
                gap: 10px;
            }

            .hero-badge {
                padding: 6px 14px;
                font-size: 12px;
            }

            .masonry-section,
            .compare-section,
            .cta-section {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .cta-form input,
            .cta-form select {
                padding: 12px 14px;
                font-size: 14px;
            }
        }

/* roulang page: category6 */
:root {
            --bg-deep: #14100C;
            --bg-panel: #2A2119;
            --bg-light: #F4EFE6;
            --brown-900: #1F1812;
            --brown-800: #2A2018;
            --copper: #B8863A;
            --copper-light: #D4A24E;
            --sand: #E0B15A;
            --wine: #8A2E2E;
            --wine-dark: #6B1F2A;
            --text-warm: #F8F3EA;
            --text-secondary: #C9BBA6;
            --text-muted: #8F7E68;
            --border-gold: rgba(212, 162, 78, 0.25);
            --border-gold-strong: rgba(212, 162, 78, 0.55);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.22);
            --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.28);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --transition: 0.25s ease;
            --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --gutter: 24px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-warm);
            background-color: var(--bg-deep);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }
        a:hover {
            color: var(--copper-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 16px;
            color: var(--text-warm);
            outline: none;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding-left: var(--gutter);
            padding-right: var(--gutter);
        }
        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(20, 16, 12, 0.92);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            background-color: rgba(20, 16, 12, 0.98);
            border-bottom-color: rgba(212, 162, 78, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-warm);
            white-space: nowrap;
            letter-spacing: 1px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            border-radius: 50%;
            color: #1F1812;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(184, 134, 58, 0.35);
        }
        .logo:hover {
            color: var(--copper-light);
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .nav-desktop>a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background-color var(--transition);
            white-space: nowrap;
        }
        .nav-desktop>a:hover {
            color: var(--copper-light);
            background-color: rgba(212, 162, 78, 0.08);
        }
        .nav-desktop>a.active {
            color: var(--sand);
        }
        .nav-desktop>a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 10px;
            right: 10px;
            height: 2px;
            background: var(--copper);
            border-radius: 2px;
        }
        .nav-desktop>a:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-mega-trigger {
            font-size: 15px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            cursor: pointer;
        }
        .nav-mega-trigger:hover {
            color: var(--copper-light);
            border-color: var(--border-gold-strong);
            background-color: rgba(184, 134, 58, 0.16);
        }
        .nav-mega-trigger:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: rgba(184, 134, 58, 0.08);
        }
        .nav-hamburger .bar {
            width: 22px;
            height: 2px;
            background-color: var(--text-warm);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .nav-hamburger:hover .bar {
            background-color: var(--sand);
        }
        .nav-hamburger:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 2px;
        }
        .mega-panel {
            display: none;
            position: absolute;
            top: 100%;
            right: 24px;
            width: 620px;
            max-width: calc(100vw - 48px);
            background: var(--brown-900);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card-hover);
            z-index: 1001;
        }
        .mega-panel.open {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            animation: fadeInDown 0.25s ease;
        }
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .mega-column h4 {
            font-family: var(--font-title);
            font-size: 15px;
            color: var(--sand);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .mega-column a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .mega-column a:hover {
            color: var(--copper-light);
            background-color: rgba(212, 162, 78, 0.08);
        }
        .mega-badge {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 20px;
            background: var(--wine);
            color: var(--text-warm);
        }
        /* Mobile Nav Drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 16, 12, 0.98);
            z-index: 1002;
            flex-direction: column;
            padding: 20px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-drawer-close {
            font-size: 28px;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            background: none;
            transition: all var(--transition);
        }
        .mobile-drawer-close:hover {
            color: var(--sand);
            border-color: var(--border-gold-strong);
        }
        .mobile-drawer nav a {
            display: block;
            padding: 14px 12px;
            font-size: 18px;
            color: var(--text-warm);
            border-bottom: 1px solid rgba(212, 162, 78, 0.12);
            transition: all var(--transition);
        }
        .mobile-drawer nav a:hover,
        .mobile-drawer nav a.active {
            color: var(--sand);
            background-color: rgba(184, 134, 58, 0.08);
            padding-left: 18px;
        }
        /* Page Hero */
        .page-hero {
            position: relative;
            padding: 72px 0 64px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 16, 12, 0.92) 0%, rgba(42, 33, 25, 0.78) 50%, rgba(20, 16, 12, 0.88) 100%);
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 50 Q30 10 50 50' stroke='rgba(212,162,78,0.06)' fill='none' stroke-width='1'/%3E%3C/svg%3E");
            z-index: 1;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--copper-light);
        }
        .breadcrumb .sep {
            color: var(--copper);
            font-weight: 700;
        }
        .breadcrumb .current {
            color: var(--sand);
        }
        .page-hero-content {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .page-hero-left {
            flex: 1 1 60%;
            min-width: 280px;
        }
        .page-hero-left h1 {
            font-family: var(--font-title);
            font-size: 42px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-warm);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-hero-left .subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 560px;
        }
        .page-hero-right {
            flex: 0 0 auto;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-stat-badge {
            background: rgba(42, 33, 25, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            text-align: center;
            min-width: 120px;
            backdrop-filter: blur(8px);
        }
        .hero-stat-badge .num {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            color: var(--sand);
            display: block;
            line-height: 1.2;
        }
        .hero-stat-badge .label {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }
        /* Main Content */
        .page-main {
            padding: 64px 0;
        }
        .page-section {
            margin-bottom: 72px;
        }
        .page-section:last-child {
            margin-bottom: 0;
        }
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--sand);
            letter-spacing: 2px;
            border: 1px solid var(--border-gold);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            background: rgba(184, 134, 58, 0.1);
        }
        .section-heading h2 {
            font-family: var(--font-title);
            font-size: 30px;
            line-height: 1.35;
            color: var(--text-warm);
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .section-heading .section-desc {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.75;
            margin-top: 12px;
            max-width: 720px;
        }
        /* Resource List Section */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .resource-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--brown-900);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            transition: all var(--transition);
            position: relative;
        }
        .resource-item:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .resource-item .resource-index {
            flex: 0 0 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 700;
            color: var(--sand);
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: rgba(184, 134, 58, 0.1);
        }
        .resource-item .resource-body {
            flex: 1;
            min-width: 0;
        }
        .resource-item .resource-body h3 {
            font-family: var(--font-title);
            font-size: 20px;
            color: var(--text-warm);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .resource-item .resource-body p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }
        .resource-item .resource-tags {
            flex: 0 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .resource-tag {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid var(--border-gold);
            color: var(--copper-light);
            white-space: nowrap;
            background: rgba(184, 134, 58, 0.06);
        }
        .resource-tag.hot {
            background: var(--wine);
            border-color: var(--wine);
            color: var(--text-warm);
        }
        .resource-cta-link {
            font-size: 14px;
            color: var(--sand);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 8px;
            transition: all var(--transition);
        }
        .resource-cta-link:hover {
            color: var(--copper-light);
            gap: 8px;
        }
        /* Comparison Strip */
        .comparison-strip {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 0;
            background: var(--brown-900);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .comparison-panel {
            padding: 32px 28px;
            background: rgba(42, 33, 25, 0.7);
        }
        .comparison-panel.featured {
            background: rgba(184, 134, 58, 0.08);
            border-right: 1px solid var(--border-gold);
        }
        .comparison-panel h3 {
            font-family: var(--font-title);
            font-size: 22px;
            color: var(--text-warm);
            margin-bottom: 6px;
            font-weight: 600;
        }
        .comparison-panel .panel-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .comparison-panel ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .comparison-panel ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: rgba(20, 16, 12, 0.4);
        }
        .comparison-panel ul li .icon-check {
            color: var(--copper-light);
            font-weight: 700;
            flex-shrink: 0;
        }
        .comparison-panel ul li .icon-dim {
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .comparison-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 16px;
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--sand);
            background: rgba(20, 16, 12, 0.6);
            letter-spacing: 2px;
        }
        /* Steps Section */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: var(--brown-900);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
        }
        .step-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .step-card .step-num {
            font-family: var(--font-title);
            font-size: 36px;
            font-weight: 700;
            color: var(--sand);
            display: block;
            margin-bottom: 8px;
            line-height: 1.1;
        }
        .step-card h3 {
            font-family: var(--font-title);
            font-size: 18px;
            color: var(--text-warm);
            margin-bottom: 10px;
            font-weight: 600;
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* FAQ */
        .faq-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--brown-900);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold-strong);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-warm);
            transition: all var(--transition);
            user-select: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--copper-light);
            background-color: rgba(184, 134, 58, 0.06);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: -2px;
        }
        .faq-question .faq-num {
            font-family: var(--font-title);
            font-size: 14px;
            color: var(--sand);
            flex-shrink: 0;
            font-weight: 700;
        }
        .faq-question .faq-icon {
            margin-left: auto;
            color: var(--text-muted);
            font-size: 18px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--sand);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--copper);
            padding-left: 16px;
        }
        /* CTA Form Section */
        .cta-section {
            background: var(--brown-900);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background-image: url('/assets/images/coverpic/cover-6.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 16, 12, 0.95) 0%, rgba(42, 33, 25, 0.85) 100%);
            z-index: 1;
        }
        .cta-left,
        .cta-right {
            position: relative;
            z-index: 2;
        }
        .cta-left h2 {
            font-family: var(--font-title);
            font-size: 28px;
            color: var(--text-warm);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .cta-left p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .cta-steps {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .cta-steps li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 14px;
        }
        .cta-steps li .cta-step-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--copper);
            color: #1F1812;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .cta-form {
            background: rgba(20, 16, 12, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cta-form .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .cta-form .form-field label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .cta-form .form-field input,
        .cta-form .form-field select {
            background: rgba(42, 33, 25, 0.8);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 15px;
            color: var(--text-warm);
            transition: border-color var(--transition);
        }
        .cta-form .form-field input:focus,
        .cta-form .form-field select:focus {
            border-color: var(--copper-light);
            outline: 2px solid rgba(212, 162, 78, 0.3);
            outline-offset: 1px;
        }
        .cta-form .form-field input::placeholder {
            color: var(--text-muted);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--copper), var(--sand));
            color: #1F1812;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            letter-spacing: 0.5px;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--copper-light), var(--sand));
            box-shadow: 0 8px 20px rgba(184, 134, 58, 0.35);
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--copper);
            outline-offset: 3px;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        /* Footer */
        .site-footer {
            background-color: var(--brown-900);
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-family: var(--font-title);
            font-size: 22px;
            color: var(--text-warm);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }
        .footer-col h5 {
            font-size: 15px;
            color: var(--sand);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--copper-light);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(212, 162, 78, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--copper-light);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: 10px;
            }
            .nav-desktop>a {
                font-size: 14px;
                padding: 6px 8px;
            }
            .page-hero-left h1 {
                font-size: 34px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-mega-trigger {
                display: none;
            }
            .mega-panel {
                display: none !important;
            }
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero-left h1 {
                font-size: 28px;
            }
            .page-hero-left .subtitle {
                font-size: 16px;
            }
            .page-hero-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-hero-right {
                width: 100%;
                justify-content: flex-start;
            }
            .hero-stat-badge {
                min-width: 100px;
                padding: 12px 16px;
            }
            .hero-stat-badge .num {
                font-size: 22px;
            }
            .page-main {
                padding: 40px 0;
            }
            .page-section {
                margin-bottom: 48px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .resource-item {
                flex-direction: column;
                gap: 14px;
                padding: 20px;
            }
            .resource-item .resource-tags {
                flex-wrap: wrap;
                justify-content: flex-start;
            }
            .comparison-strip {
                grid-template-columns: 1fr;
            }
            .comparison-vs {
                padding: 12px 16px;
                font-size: 20px;
            }
            .comparison-panel.featured {
                border-right: none;
                border-bottom: 1px solid var(--border-gold);
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .faq-list {
                grid-template-columns: 1fr;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                min-height: 60px;
                gap: 8px;
            }
            .logo {
                font-size: 18px;
            }
            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .page-hero-left h1 {
                font-size: 24px;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .hero-stat-badge .num {
                font-size: 20px;
            }
            .resource-item .resource-index {
                flex: 0 0 36px;
                height: 36px;
                font-size: 15px;
            }
            .resource-item .resource-body h3 {
                font-size: 17px;
            }
            .cta-left h2 {
                font-size: 22px;
            }
            .btn-primary {
                padding: 12px 20px;
                font-size: 15px;
            }
        }
        @media (max-width: 360px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-stat-badge {
                min-width: 80px;
                padding: 10px 12px;
            }
            .hero-stat-badge .num {
                font-size: 18px;
            }
            .cta-form {
                padding: 20px 16px;
            }
        }
