/* roulang page: index */
:root {
            --bg-primary: #0E1A12;
            --bg-secondary: #1A2B1F;
            --bg-card: rgba(20, 30, 22, 0.85);
            --bg-card-alt: rgba(17, 17, 17, 0.8);
            --bg-parchment: rgba(30, 40, 28, 0.7);
            --brand-green: #1E5631;
            --brand-green-light: #2E7D32;
            --brand-gold: #B8860B;
            --brand-gold-light: #C9A227;
            --brand-gold-hover: #D4A537;
            --text-white: #F5F5F0;
            --text-body: #D8D8D0;
            --text-muted: #A0A098;
            --border-gold: rgba(184, 134, 11, 0.4);
            --border-gold-light: rgba(184, 134, 11, 0.25);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "STZhongsong", serif;
            --font-mono: "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease-in-out;
            --transition-slow: all 0.4s ease-in-out;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --header-height: 68px;
            --max-width: 1200px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--brand-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(17, 17, 17, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 134, 11, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            transition: var(--transition-base);
        }

        .navbar-brand-custom:hover {
            color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }

        .brand-icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-white);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .navbar-brand-custom:hover .brand-icon-circle {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
        }

        .navbar-main .nav-link {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1rem;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            transition: var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--brand-gold);
        }

        .navbar-main .nav-link:hover::after {
            width: 70%;
        }

        .navbar-main .nav-link.active {
            color: var(--brand-gold);
        }

        .navbar-main .nav-link.active::after {
            width: 70%;
            background: var(--brand-gold);
        }

        .header-cta {
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        .header-cta:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.3);
            transform: translateY(-1px);
        }

        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 0.4rem 0.7rem;
            border-radius: var(--radius-sm);
            background: transparent;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 8px rgba(184, 134, 11, 0.4);
            border-color: var(--brand-gold);
        }

        .navbar-toggler:hover {
            background: rgba(184, 134, 11, 0.15);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(17, 17, 17, 0.97);
                border: 1px solid var(--border-gold);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.5rem;
                box-shadow: var(--shadow-card);
            }
            .navbar-main .nav-link {
                padding: 0.7rem 1rem;
                font-size: 1rem;
            }
            .header-cta {
                margin-top: 0.5rem;
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --header-height: 60px;
                --spacing-section: 48px;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .brand-icon-circle {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== Hero Section ========== */
        .hero-section {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(14, 26, 18, 0.75) 0%, rgba(26, 43, 31, 0.6) 60%, rgba(14, 26, 18, 0.85) 100%),
                url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: calc(var(--header-height) + 40px) 0 80px;
            border-bottom: 1px solid var(--border-gold-light);
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), var(--brand-gold-light), transparent);
            opacity: 0.7;
        }

        .hero-overlay-pattern {
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 8l13 9v14l-13 9-13-9V17l13-9z' fill='none' stroke='rgba(184,134,11,0.06)' stroke-width='1'/%3E%3C/svg%3E");
            background-size: 80px 80px;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(184, 134, 11, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 1.2rem;
            text-transform: uppercase;
        }

        .hero-badge i {
            font-size: 0.75rem;
            color: var(--brand-green-light);
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
        }

        .hero-title .highlight {
            color: var(--brand-gold);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
            border-radius: 1px;
        }

        .hero-subtitle {
            font-size: 1.02rem;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 1.8rem;
            max-width: 600px;
            letter-spacing: 0.01em;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 2rem;
        }

        .btn-gold {
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-gold:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 16px rgba(201, 162, 39, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--brand-gold);
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-gold:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            transform: translateY(-2px);
        }

        .hero-quick-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            padding-top: 1.2rem;
            border-top: 1px solid var(--border-gold-light);
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .stat-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--brand-gold);
            line-height: 1.2;
            font-family: var(--font-serif);
        }

        .hero-stat .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .hero-side-panel {
            position: relative;
            z-index: 2;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.4rem;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .hero-side-panel .panel-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            text-align: center;
            margin-bottom: 0.8rem;
            text-transform: uppercase;
        }

        .progress-ring-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.8rem;
        }

        .progress-ring {
            position: relative;
            width: 110px;
            height: 110px;
        }

        .progress-ring svg {
            transform: rotate(-90deg);
        }

        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(184, 134, 11, 0.15);
            stroke-width: 8;
        }

        .progress-ring .ring-fill {
            fill: none;
            stroke: url(#ringGradient);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 276.46;
            stroke-dashoffset: 41.47;
            transition: stroke-dashoffset 1s ease-in-out;
        }

        .progress-ring .ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--text-white);
        }

        .progress-ring .ring-text .percent {
            font-size: 1.4rem;
            line-height: 1.2;
            color: var(--brand-gold);
        }

        .progress-ring .ring-text .desc {
            font-size: 0.65rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .hero-tier-list {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-top: 0.6rem;
        }

        .hero-tier-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(17, 17, 17, 0.6);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-sm);
            padding: 0.55rem 0.8rem;
            font-size: 0.8rem;
            color: var(--text-body);
            transition: var(--transition-base);
            cursor: default;
        }

        .hero-tier-item:hover {
            border-color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.08);
        }

        .hero-tier-item .tier-name {
            font-weight: 600;
            color: var(--text-white);
        }

        .hero-tier-item .tier-badge {
            font-size: 0.68rem;
            font-weight: 700;
            color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.12);
            padding: 0.15rem 0.5rem;
            border-radius: 3px;
            letter-spacing: 0.04em;
        }

        @media (max-width: 991.98px) {
            .hero-section {
                min-height: auto;
                padding: calc(var(--header-height) + 40px) 0 60px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-side-panel {
                margin-top: 2rem;
            }
            .hero-content {
                max-width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-quick-stats {
                gap: 1.2rem;
                flex-wrap: wrap;
            }
            .hero-stat .stat-value {
                font-size: 1.3rem;
            }
            .hero-cta-group .btn-gold,
            .hero-cta-group .btn-outline-gold {
                padding: 0.6rem 1rem;
                font-size: 0.8rem;
            }
            .progress-ring {
                width: 90px;
                height: 90px;
            }
            .progress-ring .ring-text .percent {
                font-size: 1.2rem;
            }
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-block-alt {
            background: rgba(14, 26, 18, 0.6);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--brand-gold);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0.5rem;
            border-left: 3px solid var(--brand-gold);
            padding-left: 0.7rem;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.35;
            margin-bottom: 0.6rem;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.7;
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
            margin: 0 auto;
            max-width: 400px;
            border: none;
        }

        /* ========== Cards ========== */
        .card-dark {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }

        .card-dark:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 162, 39, 0.55);
        }

        .card-dark .card-body {
            padding: 1.5rem;
        }

        .card-dark .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.7), rgba(30, 86, 49, 0.9));
            border: 1.5px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-white);
            margin-bottom: 1rem;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .card-dark:hover .card-icon {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.3);
        }

        .card-dark .card-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }

        .card-dark .card-text {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-dark.card-emphasis {
            background: linear-gradient(145deg, rgba(30, 86, 49, 0.6), rgba(17, 17, 17, 0.85));
            border-color: rgba(201, 162, 39, 0.5);
        }

        .card-dark.card-emphasis .card-icon {
            background: radial-gradient(circle at 30% 30%, rgba(201, 162, 39, 0.5), rgba(184, 134, 11, 0.7));
            border-color: var(--brand-gold-light);
        }

        /* ========== Services Grid ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        @media (max-width: 991.98px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
        }

        @media (max-width: 575.98px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ========== Stats Panel ========== */
        .stats-panel {
            background: var(--bg-parchment);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 2rem 2rem 1.6rem;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .stats-panel::before {
            content: '';
            position: absolute;
            top: 8px;
            left: 8px;
            right: 8px;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(184, 134, 11, 0.5), transparent);
            border-radius: 1px;
        }

        .stats-panel::after {
            content: '';
            position: absolute;
            bottom: 8px;
            left: 8px;
            right: 8px;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(184, 134, 11, 0.4), transparent);
            border-radius: 1px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
            text-align: center;
        }

        .stat-item .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-gold);
            line-height: 1.2;
            font-family: var(--font-serif);
            letter-spacing: 0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 0.35rem;
            letter-spacing: 0.04em;
        }

        @media (max-width: 991.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.2rem;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 575.98px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .stats-panel {
                padding: 1.5rem 1.2rem;
            }
        }

        /* ========== Hot Ranking ========== */
        .ranking-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 2rem;
        }

        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-sm);
            padding: 0.7rem 0.9rem;
            transition: var(--transition-base);
            cursor: default;
        }

        .ranking-item:hover {
            border-color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.06);
        }

        .ranking-number {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--brand-gold);
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(184, 134, 11, 0.12);
            border-radius: 50%;
            flex-shrink: 0;
            font-family: var(--font-serif);
        }

        .ranking-item:nth-child(1) .ranking-number {
            background: rgba(201, 162, 39, 0.25);
            color: var(--brand-gold-light);
            box-shadow: 0 0 8px rgba(201, 162, 39, 0.3);
        }

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

        .ranking-info .ranking-title-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-white);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: var(--transition-base);
        }

        .ranking-info .ranking-title-link:hover {
            color: var(--brand-gold);
        }

        .ranking-info .ranking-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            display: flex;
            gap: 0.8rem;
            white-space: nowrap;
        }

        .ranking-info .ranking-meta i {
            margin-right: 3px;
            color: var(--brand-green-light);
        }

        .ranking-side-recommend {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.3rem;
            box-shadow: var(--shadow-card);
            height: fit-content;
        }

        .ranking-side-recommend .side-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--brand-gold);
            margin-bottom: 0.8rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            border-bottom: 1px solid var(--border-gold-light);
            padding-bottom: 0.5rem;
        }

        .ranking-side-recommend .side-list {
            display: flex;
            flex-direction: column;
            gap: 0.65rem;
        }

        .ranking-side-recommend .side-item {
            font-size: 0.82rem;
            color: var(--text-body);
            transition: var(--transition-base);
            padding: 0.4rem 0;
            border-bottom: 1px dashed rgba(184, 134, 11, 0.15);
        }

        .ranking-side-recommend .side-item:last-child {
            border-bottom: none;
        }

        .ranking-side-recommend .side-item a {
            color: var(--text-body);
            transition: var(--transition-base);
        }

        .ranking-side-recommend .side-item a:hover {
            color: var(--brand-gold);
        }

        .ranking-side-recommend .side-item i {
            color: var(--brand-green-light);
            margin-right: 6px;
            font-size: 0.7rem;
        }

        @media (max-width: 991.98px) {
            .ranking-wrapper {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .ranking-side-recommend {
                order: 2;
            }
            .ranking-list {
                order: 1;
            }
        }

        /* ========== Case Cards ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.8rem;
        }

        .case-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            min-height: 240px;
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 162, 39, 0.55);
        }

        .case-card .case-image {
            position: relative;
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .case-card .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease-in-out;
        }

        .case-card:hover .case-image img {
            transform: scale(1.04);
        }

        .case-card .case-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(14, 26, 18, 0.8) 0%, rgba(14, 26, 18, 0.2) 60%, rgba(14, 26, 18, 0.1) 100%);
            pointer-events: none;
        }

        .case-card .case-body {
            padding: 1.1rem 1.3rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card .case-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-bottom: 0.55rem;
        }

        .case-card .case-tag {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.12);
            padding: 0.18rem 0.55rem;
            border-radius: 3px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .case-card .case-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }

        .case-card .case-excerpt {
            font-size: 0.82rem;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 0;
        }

        @media (max-width: 991.98px) {
            .case-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .case-card .case-image {
                height: 160px;
            }
        }

        /* ========== Plan Cards ========== */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.2rem;
        }

        .plan-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            padding: 1.2rem 1rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            text-align: center;
            cursor: default;
        }

        .plan-card:nth-child(even) {
            background: var(--bg-card);
        }

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

        .plan-card .plan-icon {
            font-size: 1.4rem;
            color: var(--brand-gold);
            margin-bottom: 0.6rem;
        }

        .plan-card .plan-name {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
            letter-spacing: 0.02em;
        }

        .plan-card .plan-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0.7rem;
        }

        .plan-card .plan-link {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-gold);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition-base);
        }

        .plan-card .plan-link:hover {
            color: var(--brand-gold-hover);
            gap: 8px;
        }

        @media (max-width: 991.98px) {
            .plan-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        @media (max-width: 575.98px) {
            .plan-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Live Preview ========== */
        .live-preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }

        .live-match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.1rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }

        .live-match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(201, 162, 39, 0.55);
        }

        .live-match-card .match-competition {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--brand-gold);
            letter-spacing: 0.04em;
            margin-bottom: 0.55rem;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .live-match-card .match-competition .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #E53935;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }

        .live-match-card .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            margin-bottom: 0.55rem;
        }

        .live-match-card .match-team {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .live-match-card .match-score {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--brand-gold);
            font-family: var(--font-serif);
            white-space: nowrap;
        }

        .live-match-card .match-status {
            font-size: 0.72rem;
            color: var(--text-muted);
            text-align: center;
            letter-spacing: 0.04em;
        }

        @media (max-width: 991.98px) {
            .live-preview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
        }

        @media (max-width: 575.98px) {
            .live-preview-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ Accordion ========== */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.7rem;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            transition: var(--transition-base);
        }

        .faq-accordion .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.92rem;
            padding: 1rem 1.2rem;
            border: none;
            box-shadow: none;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(184, 134, 11, 0.08);
            color: var(--brand-gold);
            box-shadow: none;
        }

        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: var(--transition-base);
            filter: invert(0.5) sepia(1) saturate(3) hue-rotate(10deg);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 8px rgba(184, 134, 11, 0.3);
            border-color: var(--brand-gold);
        }

        .faq-accordion .accordion-body {
            background: rgba(17, 17, 17, 0.5);
            color: var(--text-body);
            font-size: 0.85rem;
            line-height: 1.75;
            padding: 1rem 1.2rem 1.2rem;
            border-top: 1px solid var(--border-gold-light);
        }

        /* ========== Contact / Newsletter ========== */
        .contact-section {
            background: linear-gradient(135deg, rgba(14, 26, 18, 0.95), rgba(26, 43, 31, 0.8));
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: center;
        }

        .contact-info .contact-title {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }

        .contact-info .contact-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }

        .contact-info .contact-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .contact-info .contact-list li {
            font-size: 0.85rem;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }

        .contact-info .contact-list i {
            color: var(--brand-gold);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }

        .contact-form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.8rem;
            box-shadow: var(--shadow-card);
        }

        .contact-form-card .form-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.35rem;
            letter-spacing: 0.03em;
        }

        .contact-form-card .form-control {
            background: rgba(17, 17, 17, 0.75);
            border: 1px solid var(--border-gold-light);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            padding: 0.65rem 0.85rem;
            font-size: 0.88rem;
            transition: var(--transition-base);
            margin-bottom: 0.9rem;
        }

        .contact-form-card .form-control::placeholder {
            color: rgba(160, 160, 152, 0.6);
        }

        .contact-form-card .form-control:focus {
            border-color: var(--brand-gold);
            background: rgba(17, 17, 17, 0.9);
            box-shadow: 0 0 10px rgba(201, 162, 39, 0.2);
            color: var(--text-white);
        }

        .contact-form-card .btn-gold {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 991.98px) {
            .contact-wrapper {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
            .contact-info .contact-title {
                font-size: 1.3rem;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(17, 17, 17, 0.95);
            border-top: 1px solid var(--border-gold);
            padding: 2rem 0 1.5rem;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 1rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.04em;
        }

        .footer-brand .brand-icon-circle {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 1.5px solid var(--brand-gold);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-white);
        }

        .footer-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            max-width: 400px;
            line-height: 1.6;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            justify-content: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-nav a {
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition-base);
            letter-spacing: 0.02em;
        }

        .footer-nav a:hover {
            color: var(--brand-gold);
        }

        .footer-divider {
            width: 100%;
            max-width: 600px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-gold-light), transparent);
            border: none;
            margin: 0.3rem 0;
        }

        .footer-copyright {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding: 1.5rem 0 1.2rem;
            }
            .footer-nav {
                gap: 0.8rem;
                flex-wrap: wrap;
            }
            .footer-desc {
                font-size: 0.75rem;
            }
        }

        /* ========== Utility ========== */
        .text-gold {
            color: var(--brand-gold) !important;
        }
        .text-white {
            color: var(--text-white) !important;
        }
        .bg-gold-soft {
            background: rgba(184, 134, 11, 0.1) !important;
        }
        .border-gold {
            border-color: var(--border-gold) !important;
        }
        .fw-700 {
            font-weight: 700;
        }
        .fw-800 {
            font-weight: 800;
        }
        .mb-2 {
            margin-bottom: 0.5rem;
        }
        .mb-3 {
            margin-bottom: 1rem;
        }
        .mb-4 {
            margin-bottom: 1.5rem;
        }
        .mt-4 {
            margin-top: 1.5rem;
        }
        .gap-2 {
            gap: 0.5rem;
        }
        .d-flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0E1A12;
            --bg-secondary: #1A2B1F;
            --bg-card: rgba(20, 30, 22, 0.85);
            --bg-card-alt: rgba(17, 17, 17, 0.8);
            --bg-parchment: rgba(30, 40, 28, 0.7);
            --brand-green: #1E5631;
            --brand-green-light: #2E7D32;
            --brand-gold: #B8860B;
            --brand-gold-light: #C9A227;
            --brand-gold-hover: #D4A537;
            --text-white: #F5F5F0;
            --text-body: #D8D8D0;
            --text-muted: #A0A098;
            --border-gold: rgba(184, 134, 11, 0.4);
            --border-gold-light: rgba(184, 134, 11, 0.25);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "STZhongsong", serif;
            --font-mono: "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease-in-out;
            --transition-slow: all 0.4s ease-in-out;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --header-height: 60px;
            --max-width: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--brand-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(17, 17, 17, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 134, 11, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .navbar-brand-custom:hover {
            color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }
        .brand-icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: var(--text-white);
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .navbar-brand-custom:hover .brand-icon-circle {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
        }
        .navbar-main .nav-link {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.55rem 0.85rem;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            transition: var(--transition-base);
        }
        .navbar-main .nav-link:hover {
            color: var(--brand-gold);
        }
        .navbar-main .nav-link:hover::after {
            width: 65%;
        }
        .navbar-main .nav-link.active {
            color: var(--brand-gold);
        }
        .navbar-main .nav-link.active::after {
            width: 65%;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.55rem 1.15rem;
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition-base);
            letter-spacing: 0.04em;
        }
        .header-cta:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.3);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 0.4rem 0.65rem;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            transition: var(--transition-base);
        }
        .navbar-toggler:hover {
            background: rgba(184, 134, 11, 0.15);
            border-color: var(--brand-gold-light);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.3);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(17, 17, 17, 0.97);
                border: 1px solid var(--border-gold);
                border-radius: var(--radius-md);
                padding: 1rem 1.25rem;
                margin-top: 0.75rem;
                box-shadow: var(--shadow-card);
            }
            .navbar-main .nav-link {
                padding: 0.7rem 0.5rem;
                font-size: 0.95rem;
                border-bottom: 1px solid rgba(184, 134, 11, 0.12);
            }
            .navbar-main .nav-item:last-child .nav-link {
                border-bottom: none;
            }
            .navbar-main .nav-link::after {
                display: none;
            }
            .navbar-main .nav-link.active {
                background: rgba(184, 134, 11, 0.12);
                border-radius: var(--radius-sm);
            }
            .header-cta {
                margin-top: 0.75rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== Buttons ========== */
        .btn-primary-gold {
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.8rem 1.6rem;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.04em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-gold:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 16px rgba(201, 162, 39, 0.3);
            transform: translateY(-2px);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-gold);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.04em;
        }
        .btn-outline-gold:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }

        /* ========== Section Base ========== */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        .section-block-alt {
            padding: var(--spacing-section) 0;
            background: rgba(14, 26, 18, 0.6);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }
        .section-title-group {
            margin-bottom: 2.5rem;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-title--gold {
            color: var(--brand-gold);
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 1.4rem;
            background: var(--brand-gold);
            margin-right: 12px;
            border-radius: 2px;
            vertical-align: middle;
            transform: translateY(-3px);
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 680px;
            margin-left: 16px;
            line-height: 1.75;
        }

        /* ========== Hero Coupon Wall ========== */
        .hero-coupon {
            min-height: 82vh;
            display: flex;
            align-items: center;
            padding: 4rem 0 3rem;
            position: relative;
            background:
                radial-gradient(ellipse at 70% 20%, rgba(184, 134, 11, 0.12) 0%, transparent 55%),
                linear-gradient(140deg, rgba(14, 26, 18, 0.92) 0%, rgba(26, 43, 31, 0.9) 60%, rgba(20, 32, 22, 0.95) 100%);
            border-bottom: 1px solid var(--border-gold-light);
            overflow: hidden;
        }
        .hero-coupon::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 15% 25%, rgba(46, 125, 50, 0.18) 0%, transparent 45%),
                radial-gradient(circle at 85% 75%, rgba(184, 134, 11, 0.08) 0%, transparent 40%);
            pointer-events: none;
        }
        .hero-coupon::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), var(--brand-gold-light), var(--brand-gold), transparent);
            opacity: 0.6;
        }
        .hero-coupon .breadcrumb-custom {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
            position: relative;
            z-index: 2;
        }
        .hero-coupon .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .hero-coupon .breadcrumb-custom a:hover {
            color: var(--brand-gold);
        }
        .hero-coupon .breadcrumb-custom .sep {
            margin: 0 6px;
            color: var(--border-gold);
        }
        .hero-coupon .breadcrumb-custom .current {
            color: var(--brand-gold);
        }
        .hero-coupon h1 {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            margin-bottom: 0.75rem;
            position: relative;
            z-index: 2;
            letter-spacing: 0.02em;
        }
        .hero-coupon h1 .highlight {
            color: var(--brand-gold);
        }
        .hero-coupon .hero-desc {
            color: var(--text-body);
            font-size: 0.98rem;
            max-width: 560px;
            margin-bottom: 1.8rem;
            position: relative;
            z-index: 2;
            line-height: 1.8;
        }

        /* Coupon ticket design */
        .coupon-main {
            background: rgba(17, 17, 17, 0.88);
            border: 2px solid var(--brand-gold);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            z-index: 2;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(201, 162, 39, 0.2);
            transition: var(--transition-slow);
            margin-bottom: 1.25rem;
            background-image:
                radial-gradient(circle at 20% 10%, rgba(46, 125, 50, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 90% 90%, rgba(184, 134, 11, 0.1) 0%, transparent 45%);
        }
        .coupon-main:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 24px rgba(184, 134, 11, 0.25);
            border-color: var(--brand-gold-light);
            transform: translateY(-3px);
        }
        .coupon-main-inner {
            display: flex;
            flex-wrap: wrap;
        }
        .coupon-main-left {
            flex: 1 1 60%;
            padding: 2rem 2rem 1.8rem;
            position: relative;
        }
        .coupon-main-left .coupon-tag {
            display: inline-block;
            background: rgba(184, 134, 11, 0.2);
            color: var(--brand-gold);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            letter-spacing: 0.08em;
            margin-bottom: 0.9rem;
            border: 1px solid rgba(184, 134, 11, 0.35);
        }
        .coupon-main-left h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.55rem;
            font-family: var(--font-serif);
        }
        .coupon-main-left p {
            color: var(--text-body);
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
            line-height: 1.7;
        }
        .coupon-main-left .coupon-perks {
            list-style: none;
            padding: 0;
            margin: 1rem 0 1.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .coupon-main-left .coupon-perks li {
            background: rgba(46, 125, 50, 0.15);
            border: 1px solid rgba(46, 125, 50, 0.35);
            color: var(--text-body);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
        }
        .coupon-main-right {
            flex: 1 1 40%;
            min-width: 200px;
            border-left: 2px dashed var(--border-gold);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 1.8rem 1.5rem;
            gap: 0.8rem;
            position: relative;
            background: rgba(30, 40, 28, 0.55);
        }
        .coupon-main-right .coupon-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-gold);
            font-family: var(--font-serif);
            letter-spacing: 0.04em;
        }
        .coupon-main-right .coupon-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            text-align: center;
        }
        .coupon-main-right .btn-primary-gold {
            margin-top: 0.4rem;
            padding: 0.6rem 1.3rem;
            font-size: 0.85rem;
            width: 100%;
            justify-content: center;
        }
        .coupon-side {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            position: relative;
            z-index: 2;
        }
        .coupon-side-item {
            background: rgba(17, 17, 17, 0.8);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            padding: 0.95rem 1.15rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .coupon-side-item:hover {
            border-color: var(--brand-gold);
            background: rgba(20, 30, 22, 0.9);
            box-shadow: var(--shadow-card-hover);
            transform: translateX(2px);
        }
        .coupon-side-item .side-info h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.15rem;
            font-family: var(--font-serif);
        }
        .coupon-side-item .side-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin: 0;
        }
        .coupon-side-item .side-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(184, 134, 11, 0.15);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-gold);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .coupon-side-item:hover .side-icon {
            background: rgba(184, 134, 11, 0.3);
            color: var(--brand-gold-hover);
        }
        .coupon-side-item .side-arrow {
            color: var(--brand-gold);
            font-size: 0.75rem;
            opacity: 0.7;
            transition: var(--transition-base);
        }
        .coupon-side-item:hover .side-arrow {
            opacity: 1;
            transform: translateX(3px);
        }

        /* ========== Capability Cards ========== */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        .capability-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.4rem;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .capability-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-green-light), var(--brand-gold));
            opacity: 0.6;
        }
        .capability-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-gold-light);
            transform: translateY(-4px);
        }
        .capability-card .cap-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(184, 134, 11, 0.15);
            border: 2px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-gold);
            font-size: 1.15rem;
            margin-bottom: 1rem;
            transition: var(--transition-base);
        }
        .capability-card:hover .cap-icon {
            background: rgba(184, 134, 11, 0.28);
            border-color: var(--brand-gold-light);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.3);
        }
        .capability-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.55rem;
            font-family: var(--font-serif);
        }
        .capability-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .capability-card--featured {
            background: var(--bg-parchment);
            border-width: 2px;
            border-color: rgba(184, 134, 11, 0.6);
        }
        .capability-card--featured .cap-icon {
            background: rgba(46, 125, 50, 0.25);
            border-color: rgba(46, 125, 50, 0.5);
            color: #A5D6A7;
        }

        /* ========== Scenario Cards ========== */
        .scenario-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.1rem;
        }
        .scenario-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-sm);
            padding: 1.3rem 1.1rem;
            transition: var(--transition-base);
            text-align: left;
            min-height: 160px;
            display: flex;
            flex-direction: column;
        }
        .scenario-card:nth-child(odd) {
            background: var(--bg-card);
        }
        .scenario-card:hover {
            border-color: var(--brand-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-num {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--brand-green-light);
            letter-spacing: 0.1em;
            margin-bottom: 0.55rem;
            font-family: var(--font-mono);
        }
        .scenario-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.45rem;
            font-family: var(--font-serif);
        }
        .scenario-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ========== Process Timeline ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.4rem;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 60px;
            right: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-green-light), var(--brand-gold), var(--brand-green-light));
            opacity: 0.3;
            border-radius: 1px;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 2;
            padding: 0 0.6rem;
        }
        .process-step .step-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            background: var(--bg-card);
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--brand-gold);
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .process-step:hover .step-circle {
            background: rgba(184, 134, 11, 0.2);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 20px rgba(201, 162, 39, 0.3);
            transform: scale(1.06);
        }
        .process-step h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.4rem;
            font-family: var(--font-serif);
        }
        .process-step p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== Metric Panel ========== */
        .metric-panel {
            background: var(--bg-parchment);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            position: relative;
            box-shadow: var(--shadow-card);
        }
        .metric-panel::before {
            content: '';
            position: absolute;
            top: 6px;
            left: 6px;
            width: 18px;
            height: 18px;
            border-top: 2px solid var(--brand-gold);
            border-left: 2px solid var(--brand-gold);
            border-radius: 2px 0 0 0;
            opacity: 0.5;
        }
        .metric-panel::after {
            content: '';
            position: absolute;
            bottom: 6px;
            right: 6px;
            width: 18px;
            height: 18px;
            border-bottom: 2px solid var(--brand-gold);
            border-right: 2px solid var(--brand-gold);
            border-radius: 0 0 2px 0;
            opacity: 0.5;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .metric-item .metric-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-gold);
            font-family: var(--font-serif);
            line-height: 1.2;
            letter-spacing: 0.03em;
        }
        .metric-item .metric-num small {
            font-size: 1rem;
            font-weight: 700;
            color: var(--brand-gold-light);
        }
        .metric-item .metric-label {
            font-size: 0.85rem;
            color: var(--text-body);
            font-weight: 600;
            margin-top: 0.3rem;
            letter-spacing: 0.04em;
        }
        .metric-item .metric-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.15rem;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.9rem;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--brand-gold);
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 1.1rem 1.3rem;
            font-family: var(--font-serif);
            letter-spacing: 0.02em;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.08);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.3);
            border: none;
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) invert(1);
            opacity: 0.7;
        }
        .faq-accordion .accordion-body {
            color: var(--text-body);
            font-size: 0.88rem;
            padding: 0.8rem 1.3rem 1.2rem;
            line-height: 1.75;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: rgba(14, 26, 18, 0.8);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
            padding: 3.5rem 0;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(184, 134, 11, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            z-index: 2;
        }
        .cta-card h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.7rem;
        }
        .cta-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto 1.8rem;
            line-height: 1.75;
        }
        .cta-card .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0A0E0B;
            border-top: 1px solid rgba(184, 134, 11, 0.4);
            padding: 2.5rem 0 1.5rem;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
            opacity: 0.4;
        }
        .footer-inner {
            text-align: center;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.88rem;
            max-width: 480px;
            margin: 0 auto 1.3rem;
            line-height: 1.7;
        }
        .footer-nav {
            list-style: none;
            padding: 0;
            margin: 0 0 1.3rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.1rem;
        }
        .footer-nav a {
            color: var(--text-body);
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition-base);
        }
        .footer-nav a:hover {
            color: var(--brand-gold);
        }
        .footer-divider {
            border: none;
            border-top: 1px solid var(--border-gold-light);
            max-width: 320px;
            margin: 0 auto 1rem;
            opacity: 0.5;
        }
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.78rem;
            margin: 0;
            letter-spacing: 0.05em;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199.98px) {
            .capability-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.8rem;
            }
            .process-grid::before {
                display: none;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.8rem;
            }
        }

        @media (max-width: 991.98px) {
            .hero-coupon {
                min-height: auto;
                padding: 3rem 0 2.5rem;
            }
            .hero-coupon h1 {
                font-size: 1.8rem;
            }
            .coupon-main-left {
                padding: 1.4rem 1.3rem 1.2rem;
            }
            .coupon-main-right {
                min-width: unset;
                border-left: none;
                border-top: 2px dashed var(--border-gold);
                flex-direction: row;
                justify-content: space-between;
                padding: 1rem 1.3rem;
                gap: 0.6rem;
                text-align: left;
            }
            .coupon-main-right .coupon-label {
                text-align: left;
            }
            .coupon-main-right .btn-primary-gold {
                width: auto;
            }
            .coupon-main-left h2 {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --spacing-section: 48px;
                --spacing-section-mobile: 36px;
                --header-height: 56px;
            }
            .section-block,
            .section-block-alt {
                padding: var(--spacing-section) 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-title::before {
                height: 1.1rem;
            }
            .hero-coupon {
                padding: 2rem 0 2rem;
            }
            .hero-coupon h1 {
                font-size: 1.5rem;
            }
            .hero-coupon .hero-desc {
                font-size: 0.88rem;
            }
            .capability-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .scenario-row {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 1.4rem;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.3rem;
            }
            .metric-item .metric-num {
                font-size: 1.7rem;
            }
            .coupon-main-inner {
                flex-direction: column;
            }
            .coupon-main-right {
                flex-direction: column;
                text-align: center;
                padding: 1rem 1.2rem;
            }
            .coupon-main-right .coupon-label {
                text-align: center;
            }
            .coupon-main-right .btn-primary-gold {
                width: 100%;
            }
            .coupon-main-left h2 {
                font-size: 1.1rem;
            }
            .coupon-main-left {
                padding: 1.2rem 1rem 1rem;
            }
            .cta-card {
                padding: 1.8rem 1.2rem;
            }
            .cta-card h2 {
                font-size: 1.3rem;
            }
            .footer-nav {
                gap: 0.7rem;
            }
            .footer-nav a {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-coupon h1 {
                font-size: 1.3rem;
            }
            .metric-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .metric-item .metric-num {
                font-size: 1.8rem;
            }
            .capability-card {
                padding: 1.2rem 1rem;
            }
            .capability-card h3 {
                font-size: 0.95rem;
            }
            .btn-primary-gold {
                font-size: 0.85rem;
                padding: 0.65rem 1.2rem;
            }
            .coupon-main-left h2 {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0E1A12;
            --bg-secondary: #1A2B1F;
            --bg-card: rgba(20, 30, 22, 0.85);
            --bg-card-alt: rgba(17, 17, 17, 0.8);
            --bg-parchment: rgba(30, 40, 28, 0.7);
            --brand-green: #1E5631;
            --brand-green-light: #2E7D32;
            --brand-gold: #B8860B;
            --brand-gold-light: #C9A227;
            --brand-gold-hover: #D4A537;
            --text-white: #F5F5F0;
            --text-body: #D8D8D0;
            --text-muted: #A0A098;
            --border-gold: rgba(184, 134, 11, 0.4);
            --border-gold-light: rgba(184, 134, 11, 0.25);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "STZhongsong", serif;
            --font-mono: "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease-in-out;
            --transition-slow: all 0.4s ease-in-out;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --header-height: 60px;
            --max-width: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--brand-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(17, 17, 17, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 134, 11, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            transition: var(--transition-base);
        }

        .navbar-brand-custom:hover {
            color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }

        .brand-icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-white);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .navbar-brand-custom:hover .brand-icon-circle {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
        }

        .navbar-main .nav-link {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1rem;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            transition: var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--brand-gold);
        }

        .navbar-main .nav-link:hover::after {
            width: 70%;
        }

        .navbar-main .nav-link.active {
            color: var(--brand-gold);
        }

        .navbar-main .nav-link.active::after {
            width: 70%;
        }

        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 0.5rem 0.7rem;
            font-size: 1.1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .navbar-toggler:hover {
            background: rgba(184, 134, 11, 0.15);
            border-color: var(--brand-gold);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.25);
        }

        .header-cta {
            display: inline-block;
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.55rem 1.25rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
            border: 1px solid transparent;
        }

        .header-cta:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.3);
            transform: translateY(-1px);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: rgba(17, 17, 17, 0.98);
                border: 1px solid var(--border-gold);
                border-radius: var(--radius-md);
                padding: 1rem 1.25rem;
                margin-top: 0.5rem;
                max-height: 70vh;
                overflow-y: auto;
            }

            .navbar-main .nav-link {
                padding: 0.7rem 0;
                font-size: 1rem;
            }

            .header-cta {
                margin-top: 0.6rem;
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand-custom {
                font-size: 1.1rem;
            }

            .brand-icon-circle {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrapper {
            padding: 1.25rem 0 0;
            background: transparent;
        }

        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .breadcrumb-custom li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .breadcrumb-custom li+li::before {
            content: '/';
            color: var(--brand-gold);
            font-weight: 600;
            margin-right: 0.25rem;
        }

        .breadcrumb-custom a {
            color: var(--text-muted);
            transition: var(--transition-base);
        }

        .breadcrumb-custom a:hover {
            color: var(--brand-gold);
        }

        .breadcrumb-custom .current {
            color: var(--brand-gold);
            font-weight: 600;
        }

        /* ========== Category Banner ========== */
        .category-banner {
            position: relative;
            min-height: 46vh;
            display: flex;
            align-items: center;
            background-image:
                linear-gradient(135deg, rgba(14, 26, 18, 0.85) 0%, rgba(26, 43, 31, 0.75) 100%),
                url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 30%;
            border-bottom: 1px solid var(--border-gold-light);
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 15% 20%, rgba(46, 125, 50, 0.2) 0%, transparent 40%),
                radial-gradient(circle at 85% 75%, rgba(184, 134, 11, 0.12) 0%, transparent 35%);
            pointer-events: none;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 8L55 17v30L40 62L25 47V17z' fill='none' stroke='rgba(184,134,11,0.12)' stroke-width='1'/%3E%3C/svg%3E");
            background-size: 80px 80px;
            opacity: 0.5;
            pointer-events: none;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            padding: 3.5rem 0;
            max-width: 720px;
        }

        .banner-eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 20px;
            padding: 0.3rem 1rem;
            margin-bottom: 1.25rem;
            text-transform: uppercase;
        }

        .category-banner h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .category-banner h1 .highlight {
            color: var(--brand-gold);
        }

        .banner-desc {
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-body);
            max-width: 560px;
            margin-bottom: 1.75rem;
        }

        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }

        .banner-meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            background: rgba(17, 17, 17, 0.6);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.9rem;
        }

        .banner-meta-item i {
            color: var(--brand-gold);
            font-size: 0.85rem;
        }

        /* ========== Section Common ========== */
        .section-padding {
            padding: var(--spacing-section) 0;
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .section-title::before {
            content: '';
            display: inline-block;
            width: 3px;
            height: 1.5em;
            background: var(--brand-gold);
            border-radius: 1px;
            flex-shrink: 0;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        @media (max-width: 767.98px) {
            :root {
                --spacing-section: 48px;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .category-banner {
                min-height: 40vh;
            }

            .banner-content {
                padding: 2.5rem 0;
            }
        }

        /* ========== Quick Stats Panel ========== */
        .quick-stats-panel {
            background: var(--bg-parchment);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            margin-bottom: 2.5rem;
            position: relative;
            overflow: hidden;
        }

        .quick-stats-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
        }

        .quick-stats-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--brand-gold);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1rem;
        }

        .stat-cell {
            text-align: center;
            padding: 0.75rem 0.5rem;
            background: rgba(17, 17, 17, 0.4);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(184, 134, 11, 0.15);
        }

        .stat-number {
            font-family: var(--font-mono);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--brand-gold-light);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
            font-weight: 500;
        }

        /* ========== Filter Toolbar ========== */
        .filter-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.75rem;
            padding: 1rem 1.25rem;
            background: rgba(17, 17, 17, 0.75);
            border: 1px solid rgba(184, 134, 11, 0.25);
            border-radius: var(--radius-md);
        }

        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 0.25rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .filter-label i {
            color: var(--brand-gold);
            font-size: 0.85rem;
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            flex: 1;
        }

        .filter-tag {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-body);
            background: transparent;
            border: 1px solid rgba(184, 134, 11, 0.35);
            border-radius: 20px;
            padding: 0.35rem 0.9rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .filter-tag:hover {
            color: var(--brand-gold);
            border-color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.08);
        }

        .filter-tag.active {
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            border-color: transparent;
            font-weight: 700;
        }

        .sort-select-wrapper {
            position: relative;
            flex-shrink: 0;
        }

        .sort-select {
            appearance: none;
            background: rgba(20, 30, 22, 0.9);
            border: 1px solid var(--border-gold);
            color: var(--text-body);
            border-radius: var(--radius-sm);
            padding: 0.45rem 2.5rem 0.45rem 1rem;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 150px;
        }

        .sort-select:hover {
            border-color: var(--brand-gold);
        }

        .sort-select:focus {
            outline: none;
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.2);
        }

        .sort-select-wrapper::after {
            content: '\f0d7';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 0.85rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--brand-gold);
            pointer-events: none;
            font-size: 0.7rem;
        }

        /* ========== List Card (Left Image Right Text) ========== */
        .data-list-container {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .data-list-card {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 0;
            background: var(--bg-card);
            border: 1px solid rgba(184, 134, 11, 0.3);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
        }

        .data-list-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(184, 134, 11, 0.55);
        }

        .data-card-image {
            position: relative;
            overflow: hidden;
            background: var(--bg-secondary);
            min-height: 100%;
        }

        .data-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease-in-out;
        }

        .data-list-card:hover .data-card-image img {
            transform: scale(1.04);
        }

        .data-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 26, 18, 0.2) 0%, transparent 50%, rgba(14, 26, 18, 0.5) 100%);
            pointer-events: none;
        }

        .data-card-content {
            padding: 1.5rem 1.75rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 0.65rem;
        }

        .data-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 0.15rem;
        }

        .data-tag {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.12);
            border: 1px solid rgba(184, 134, 11, 0.3);
            border-radius: 3px;
            padding: 0.2rem 0.65rem;
            letter-spacing: 0.03em;
        }

        .data-tag.green {
            color: var(--brand-green-light);
            background: rgba(46, 125, 50, 0.12);
            border-color: rgba(46, 125, 50, 0.35);
        }

        .data-card-title {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
            margin-bottom: 0.15rem;
            transition: var(--transition-base);
        }

        .data-list-card:hover .data-card-title {
            color: var(--brand-gold-light);
        }

        .data-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0.25rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .data-card-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .data-card-meta span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .data-card-meta i {
            color: var(--brand-gold);
            font-size: 0.75rem;
        }

        @media (max-width: 767.98px) {
            .data-list-card {
                grid-template-columns: 1fr;
            }

            .data-card-image {
                min-height: 200px;
                max-height: 220px;
            }

            .data-card-content {
                padding: 1.25rem 1.25rem 1.4rem;
            }

            .data-card-title {
                font-size: 1.05rem;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.85rem;
            }

            .sort-select-wrapper {
                width: 100%;
            }

            .sort-select {
                width: 100%;
            }
        }

        @media (min-width: 768px) and (max-width: 991.98px) {
            .data-list-card {
                grid-template-columns: 220px 1fr;
            }

            .data-card-content {
                padding: 1.2rem 1.25rem;
            }
        }

        /* ========== Pagination ========== */
        .pagination-wrapper {
            margin-top: 2.5rem;
            display: flex;
            justify-content: center;
        }

        .pagination-custom {
            display: flex;
            gap: 0.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .pagination-custom .page-link-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 0.75rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-body);
            background: rgba(17, 17, 17, 0.7);
            border: 1px solid rgba(184, 134, 11, 0.3);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .pagination-custom .page-link-custom:hover {
            color: var(--brand-gold);
            border-color: var(--brand-gold);
            background: rgba(184, 134, 11, 0.1);
        }

        .pagination-custom .page-link-custom.active-page {
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            border-color: transparent;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(184, 134, 11, 0.3);
        }

        .pagination-custom .page-link-custom.disabled-arrow {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background-image:
                linear-gradient(135deg, rgba(14, 26, 18, 0.92) 0%, rgba(30, 86, 49, 0.55) 100%),
                url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(184, 134, 11, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-title {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .cta-title .highlight {
            color: var(--brand-gold);
        }

        .cta-desc {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 1.75rem;
        }

        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.85rem;
        }

        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.7rem 1.75rem;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
        }

        .btn-gold:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 18px rgba(201, 162, 39, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            display: inline-block;
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.7rem 1.75rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-gold);
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            background: transparent;
        }

        .btn-outline-gold:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--brand-gold-light);
            border-color: var(--brand-gold-light);
            transform: translateY(-2px);
        }

        @media (max-width: 575.98px) {
            .cta-title {
                font-size: 1.35rem;
            }

            .btn-gold,
            .btn-outline-gold {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(17, 17, 17, 0.96);
            border-top: 1px solid rgba(184, 134, 11, 0.4);
            padding: 3rem 0 1.75rem;
            margin-top: 0;
        }

        .footer-inner {
            text-align: center;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.65rem;
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--brand-gold);
            margin-bottom: 0.75rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 420px;
            margin: 0 auto 1.25rem;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.25rem 1.25rem;
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }

        .footer-nav a {
            font-size: 0.85rem;
            color: var(--text-body);
            font-weight: 500;
            transition: var(--transition-base);
        }

        .footer-nav a:hover {
            color: var(--brand-gold);
        }

        .footer-divider {
            border: none;
            border-top: 1px solid rgba(184, 134, 11, 0.2);
            margin: 0.75rem auto 1.25rem;
            max-width: 400px;
            opacity: 1;
        }

        .footer-copyright {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin: 0;
        }

        @media (max-width: 575.98px) {
            .footer-nav {
                gap: 0.25rem 0.9rem;
            }

            .footer-nav a {
                font-size: 0.78rem;
            }
        }

        /* ========== Bootstrap Dark Overrides ========== */
        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1.1rem 1.35rem;
            border: none;
            transition: var(--transition-base);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(184, 134, 11, 0.1);
            color: var(--brand-gold);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-gold);
        }

        .accordion-body {
            background: rgba(14, 26, 18, 0.5);
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.75;
            padding: 1.1rem 1.35rem;
            border-top: 1px solid rgba(184, 134, 11, 0.15);
        }

        .accordion-button::after {
            filter: invert(70%) sepia(50%) saturate(500%) hue-rotate(5deg);
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0E1A12;
            --bg-secondary: #1A2B1F;
            --bg-card: rgba(20, 30, 22, 0.85);
            --bg-card-alt: rgba(17, 17, 17, 0.8);
            --bg-parchment: rgba(30, 40, 28, 0.7);
            --brand-green: #1E5631;
            --brand-green-light: #2E7D32;
            --brand-gold: #B8860B;
            --brand-gold-light: #C9A227;
            --brand-gold-hover: #D4A537;
            --text-white: #F5F5F0;
            --text-body: #D8D8D0;
            --text-muted: #A0A098;
            --border-gold: rgba(184, 134, 11, 0.4);
            --border-gold-light: rgba(184, 134, 11, 0.25);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "STZhongsong", serif;
            --font-mono: "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease-in-out;
            --transition-slow: all 0.4s ease-in-out;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --header-height: 68px;
            --max-width: 1200px;
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
                --spacing-section: 48px;
            }
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--brand-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(17, 17, 17, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 134, 11, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            transition: var(--transition-base);
        }
        .navbar-brand-custom:hover {
            color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }
        .brand-icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-white);
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .navbar-brand-custom:hover .brand-icon-circle {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
        }
        .navbar-main .nav-link {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 0.85rem;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            transition: var(--transition-base);
        }
        .navbar-main .nav-link:hover {
            color: var(--brand-gold);
        }
        .navbar-main .nav-link:hover::after {
            width: 70%;
        }
        .navbar-main .nav-link.active {
            color: var(--brand-gold);
        }
        .navbar-main .nav-link.active::after {
            width: 70%;
        }
        .header-cta {
            display: inline-block;
            padding: 0.55rem 1.3rem;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #111111;
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            white-space: nowrap;
            border: none;
        }
        .header-cta:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.3);
            transform: translateY(-1px);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            padding: 0.4rem 0.7rem;
            font-size: 1.1rem;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-gold);
        }
        @media (max-width: 991px) {
            .navbar-collapse {
                background: rgba(17, 17, 17, 0.98);
                border: 1px solid rgba(184, 134, 11, 0.5);
                border-radius: var(--radius-md);
                padding: 1rem;
                margin-top: 0.6rem;
            }
            .navbar-main .nav-link {
                padding: 0.75rem 1rem;
                font-size: 1rem;
            }
            .header-cta {
                margin-top: 0.5rem;
                text-align: center;
                width: 100%;
            }
        }

        /* ========== Buttons ========== */
        .btn-brand-gold {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #111111;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition-base);
            text-align: center;
        }
        .btn-brand-gold:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 4px 16px rgba(201, 162, 39, 0.3);
            transform: translateY(-2px);
        }
        .btn-brand-outline {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: transparent;
            color: var(--brand-gold);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-gold);
            transition: var(--transition-base);
            text-align: center;
        }
        .btn-brand-outline:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--brand-gold-hover);
            border-color: var(--brand-gold-hover);
            transform: translateY(-2px);
        }
        .btn-brand-green {
            display: inline-block;
            padding: 0.75rem 2rem;
            background: var(--brand-green);
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--brand-gold);
            transition: var(--transition-base);
            text-align: center;
        }
        .btn-brand-green:hover {
            background: #245d3a;
            color: var(--text-white);
            border-color: var(--brand-gold-hover);
            box-shadow: 0 4px 16px rgba(30, 86, 49, 0.4);
            transform: translateY(-2px);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--brand-gold);
        }
        .breadcrumb-custom a:hover {
            color: var(--brand-gold-hover);
        }
        .breadcrumb-custom .separator {
            color: var(--text-muted);
        }
        .breadcrumb-custom .current {
            color: var(--text-white);
        }

        /* ========== Hero - Player Archive ========== */
        .hero-player-archive {
            min-height: calc(100vh - var(--header-height));
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(14, 26, 18, 0.65) 0%, rgba(26, 43, 31, 0.85) 100%),
                url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        }
        .hero-player-archive::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(14, 26, 18, 0.55);
            z-index: 1;
        }
        .hero-player-archive .container {
            position: relative;
            z-index: 2;
        }
        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            margin-bottom: 1.2rem;
        }
        .hero-value-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(30, 86, 49, 0.7);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--brand-gold);
            flex-shrink: 0;
        }
        .hero-value-text {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.5;
        }
        .hero-value-text strong {
            color: var(--text-white);
            display: block;
            font-size: 0.95rem;
        }
        .hero-stage-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .hero-stage-panel::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
        }
        .player-profile-header {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }
        .player-profile-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            overflow: hidden;
            border: 2px solid var(--brand-gold);
            flex-shrink: 0;
            background: var(--bg-parchment);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--brand-gold);
        }
        .player-profile-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .player-profile-info h3 {
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.3rem;
        }
        .player-profile-info .player-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .player-tag {
            display: inline-block;
            padding: 0.2rem 0.7rem;
            background: rgba(30, 86, 49, 0.5);
            border: 1px solid var(--border-gold-light);
            border-radius: 20px;
            font-size: 0.75rem;
            color: var(--brand-gold);
        }
        .player-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .player-stat-item {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-sm);
            padding: 0.8rem;
            text-align: center;
        }
        .player-stat-value {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--brand-gold);
            display: block;
        }
        .player-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: block;
            margin-top: 0.2rem;
        }
        .hero-cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }
        @media (max-width: 991px) {
            .hero-player-archive {
                min-height: auto;
                padding: 60px 0 50px;
            }
            .hero-value-side {
                order: 2;
                margin-top: 2rem;
            }
            .hero-stage-side {
                order: 1;
            }
            .hero-cta-group {
                order: 3;
            }
            .player-stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .hero-player-archive {
                padding: 40px 0;
            }
            .hero-stage-panel {
                padding: 1.2rem;
            }
            .player-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.6rem;
            }
            .player-stat-value {
                font-size: 1.1rem;
            }
            .player-profile-avatar {
                width: 56px;
                height: 56px;
                font-size: 1.5rem;
            }
        }

        /* ========== Section Title ========== */
        .section-title-wrap {
            margin-bottom: 2.5rem;
            position: relative;
            padding-left: 1rem;
        }
        .section-title-wrap::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.3rem;
            bottom: 0.3rem;
            width: 3px;
            background: linear-gradient(180deg, var(--brand-gold), var(--brand-gold-light));
            border-radius: 2px;
        }
        .section-title-wrap h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .section-title-wrap .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ========== Data Dimension Cards ========== */
        .dimension-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            height: 100%;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .dimension-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-gold), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }
        .dimension-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }
        .dimension-card:hover::before {
            opacity: 1;
        }
        .dimension-icon {
            width: 48px;
            height: 48px;
            border-radius: 6px;
            background: rgba(30, 86, 49, 0.6);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-gold);
            margin-bottom: 1rem;
        }
        .dimension-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .dimension-card p {
            font-size: 0.9rem;
            color: var(--text-body);
            margin-bottom: 0;
        }

        /* ========== Player Tracking Cards ========== */
        .player-track-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            height: 100%;
        }
        .player-track-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold);
        }
        .player-track-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--bg-parchment);
        }
        .player-track-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-slow);
        }
        .player-track-card:hover .player-track-img img {
            transform: scale(1.04);
        }
        .player-track-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 26, 18, 0.1) 0%, rgba(17, 17, 17, 0.7) 100%);
        }
        .player-track-body {
            padding: 1.2rem;
        }
        .player-track-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .player-track-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.8rem;
        }
        .player-track-meta {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: var(--brand-gold);
        }
        .player-track-meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* ========== Compare Feature ========== */
        .compare-panel {
            background: var(--bg-parchment);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 2rem;
            position: relative;
        }
        .compare-panel::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 20%;
            right: 20%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 80px 1fr;
            gap: 1.5rem;
            align-items: center;
        }
        .compare-player-card {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
        }
        .compare-player-card img {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            border: 2px solid var(--brand-gold);
            object-fit: cover;
            background: var(--bg-parchment);
        }
        .compare-player-card h3 {
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .compare-player-stat {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(184, 134, 11, 0.15);
            font-size: 0.85rem;
            color: var(--text-body);
        }
        .compare-player-stat:last-child {
            border-bottom: none;
        }
        .compare-player-stat .stat-value {
            font-weight: 700;
            color: var(--brand-gold);
            font-family: var(--font-mono);
        }
        .compare-vs {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-gold);
            text-align: center;
            text-shadow: 0 0 20px rgba(184, 134, 11, 0.3);
        }
        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .compare-vs {
                font-size: 1.5rem;
                order: 0;
            }
        }

        /* ========== Scenario Cards ========== */
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            height: 100%;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .scenario-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(30, 86, 49, 0.6);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--brand-gold);
            margin-bottom: 1rem;
            flex-shrink: 0;
        }
        .scenario-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-body);
            margin-bottom: 0;
            flex-grow: 1;
        }

        /* ========== Process Steps ========== */
        .process-step {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            height: 100%;
            position: relative;
            transition: var(--transition-base);
        }
        .process-step:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-card-hover);
        }
        .process-step-number {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--brand-gold);
            opacity: 0.6;
            display: block;
            margin-bottom: 0.5rem;
            line-height: 1;
        }
        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-body);
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
            padding: var(--spacing-section) 0;
        }
        .accordion-custom .accordion-item {
            background: var(--bg-card-alt);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.8rem;
            overflow: hidden;
        }
        .accordion-custom .accordion-button {
            background: var(--bg-card);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1rem 1.5rem;
            border-radius: var(--radius-md);
            border: none;
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(30, 86, 49, 0.5);
            color: var(--brand-gold);
            box-shadow: none;
        }
        .accordion-custom .accordion-button::after {
            filter: invert(1) brightness(0.7);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-gold);
            outline-offset: -2px;
        }
        .accordion-custom .accordion-body {
            color: var(--text-body);
            font-size: 0.9rem;
            padding: 1rem 1.5rem 1.5rem;
            background: var(--bg-card-alt);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: var(--spacing-section) 0;
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(30, 86, 49, 0.85) 0%, rgba(17, 17, 17, 0.9) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
        }
        .cta-panel h2 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .cta-panel p {
            color: var(--text-body);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: rgba(17, 17, 17, 0.95);
            border-top: 1px solid rgba(184, 134, 11, 0.5);
            padding: 2.5rem 0 1.5rem;
        }
        .footer-inner {
            text-align: center;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--brand-gold);
            margin-bottom: 0.8rem;
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            max-width: 500px;
            margin: 0 auto 1.2rem;
        }
        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.2rem;
            list-style: none;
            padding: 0;
            margin: 0 0 1.2rem;
        }
        .footer-nav a {
            color: var(--text-body);
            font-size: 0.85rem;
            transition: var(--transition-base);
        }
        .footer-nav a:hover {
            color: var(--brand-gold);
        }
        .footer-divider {
            border-color: var(--border-gold-light);
            margin: 1.2rem auto;
            max-width: 400px;
            opacity: 0.5;
        }
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.8rem;
            margin-bottom: 0;
        }

        /* ========== Responsive Global ========== */
        @media (max-width: 768px) {
            .section-title-wrap h2 {
                font-size: 1.3rem;
            }
            .dimension-card,
            .scenario-card,
            .process-step,
            .player-track-card {
                padding: 1.2rem;
            }
            .compare-panel {
                padding: 1.2rem;
            }
            .cta-panel {
                padding: 2rem 1.2rem;
            }
            .btn-brand-gold,
            .btn-brand-outline,
            .btn-brand-green {
                padding: 0.65rem 1.5rem;
                font-size: 0.9rem;
                width: 100%;
                max-width: 300px;
            }
        }
        @media (max-width: 576px) {
            .hero-player-archive {
                min-height: auto;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .brand-icon-circle {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .player-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.5rem;
            }
            .player-stat-value {
                font-size: 1.1rem;
            }
            .player-stat-label {
                font-size: 0.7rem;
            }
            .hero-value-item {
                margin-bottom: 0.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0E1A12;
            --bg-secondary: #1A2B1F;
            --bg-card: rgba(20, 30, 22, 0.85);
            --bg-card-alt: rgba(17, 17, 17, 0.8);
            --bg-parchment: rgba(30, 40, 28, 0.7);
            --brand-green: #1E5631;
            --brand-green-light: #2E7D32;
            --brand-gold: #B8860B;
            --brand-gold-light: #C9A227;
            --brand-gold-hover: #D4A537;
            --text-white: #F5F5F0;
            --text-body: #D8D8D0;
            --text-muted: #A0A098;
            --border-gold: rgba(184, 134, 11, 0.4);
            --border-gold-light: rgba(184, 134, 11, 0.25);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "STZhongsong", serif;
            --font-mono: "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease-in-out;
            --transition-slow: all 0.4s ease-in-out;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --header-height: 68px;
            --max-width: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--brand-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(17, 17, 17, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 134, 11, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            transition: var(--transition-base);
        }

        .navbar-brand-custom:hover {
            color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }

        .brand-icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-white);
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .navbar-brand-custom:hover .brand-icon-circle {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
        }

        .navbar-main .nav-link {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.55rem 0.9rem;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            transition: var(--transition-base);
        }

        .navbar-main .nav-link:hover {
            color: var(--brand-gold);
        }

        .navbar-main .nav-link:hover::after {
            width: 65%;
        }

        .navbar-main .nav-link.active {
            color: var(--brand-gold);
        }

        .navbar-main .nav-link.active::after {
            width: 65%;
        }

        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            background: transparent;
            padding: 0.4rem 0.7rem;
            font-size: 1.1rem;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .navbar-toggler:hover {
            background: rgba(184, 134, 11, 0.15);
            border-color: var(--brand-gold-hover);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(184, 134, 11, 0.35);
        }

        .header-cta {
            display: inline-block;
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.5rem 1.2rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.3);
            transform: translateY(-1px);
        }

        /* ========== Page Banner ========== */
        .page-banner {
            position: relative;
            min-height: 52vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-gold-light);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(14, 26, 18, 0.72) 0%,
                    rgba(14, 26, 18, 0.82) 60%,
                    rgba(14, 26, 18, 0.92) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 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%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23B8860B' fill-opacity='0.05'%3E%3Cpath d='M30 6l5 10 11 1-8 8 2 11-10-5-10 5 2-11-8-8 11-1z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            z-index: 1;
            pointer-events: none;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .breadcrumb-tactical {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .breadcrumb-tactical a {
            color: var(--brand-gold);
            font-weight: 500;
        }

        .breadcrumb-tactical a:hover {
            color: var(--brand-gold-hover);
        }

        .breadcrumb-tactical .separator {
            color: rgba(160, 160, 152, 0.5);
        }

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

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.75rem;
            line-height: 1.25;
            letter-spacing: 0.03em;
        }

        .page-banner .banner-sub {
            font-size: 1.05rem;
            color: var(--text-body);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Hero Stage ========== */
        .hero-stage-wrapper {
            padding-top: 56px;
            padding-bottom: 56px;
            border-bottom: 1px solid var(--border-gold-light);
        }

        .hero-stage-grid {
            display: flex;
            align-items: center;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .hero-stage-side {
            flex: 0 0 220px;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .hero-stage-side.left {
            align-items: flex-end;
            text-align: right;
        }

        .hero-stage-side.right {
            align-items: flex-start;
            text-align: left;
        }

        .hero-stage-center {
            flex: 1 1 380px;
            min-width: 280px;
        }

        .stage-point {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .stage-point .point-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(30, 86, 49, 0.5);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-gold);
            font-size: 0.95rem;
        }

        .hero-stage-side.left .stage-point .point-icon {
            align-self: flex-end;
        }

        .stage-point h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
        }

        .stage-point p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        .stage-buttons {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            margin-top: 0.5rem;
        }

        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, #B8860B, #C9A227);
            color: #111111;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 0.65rem 1.4rem;
            border-radius: var(--radius-sm);
            border: none;
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            cursor: pointer;
            text-align: center;
        }

        .btn-gold:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            box-shadow: 0 0 16px rgba(201, 162, 39, 0.3);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            display: inline-block;
            background: transparent;
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.6rem 1.3rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            letter-spacing: 0.04em;
            transition: var(--transition-base);
            cursor: pointer;
            text-align: center;
        }

        .btn-outline-gold:hover {
            background: rgba(184, 134, 11, 0.15);
            border-color: var(--brand-gold-hover);
            color: var(--brand-gold-hover);
            transform: translateY(-2px);
        }

        .tactical-stage-visual {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .tactical-stage-visual::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(184, 134, 11, 0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(184, 134, 11, 0.06) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
        }

        .tactical-stage-visual img {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-sm);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .stage-badge {
            position: relative;
            z-index: 2;
            display: inline-block;
            background: rgba(30, 86, 49, 0.85);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            letter-spacing: 0.05em;
            margin-top: 1rem;
        }

        /* ========== Section Common ========== */
        .section-tactical {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .section-header .line-accent {
            width: 4px;
            height: 28px;
            background: var(--brand-gold);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
            letter-spacing: 0.02em;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            margin-left: auto;
            max-width: 360px;
            text-align: right;
        }

        /* ========== Tactical Dimensions Cards ========== */
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .dimension-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 1.4rem 1.2rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .dimension-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-gold-hover);
        }

        .dimension-card .dim-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 1.1rem;
            transition: var(--transition-base);
        }

        .dimension-card:hover .dim-icon {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.35);
        }

        .dimension-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
        }

        .dimension-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== Deep Analysis Report Cards ========== */
        .report-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .report-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .report-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-gold-hover);
        }

        .report-card .report-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

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

        .report-card:hover .report-img-wrap img {
            transform: scale(1.03);
        }

        .report-card .report-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(14, 26, 18, 0.75) 100%);
            z-index: 1;
        }

        .report-card .report-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(30, 86, 49, 0.88);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        .report-card .report-body {
            padding: 1.2rem 1.3rem 1.3rem;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
            flex: 1;
        }

        .report-card .report-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
            line-height: 1.4;
        }

        .report-card .report-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
            flex: 1;
        }

        .report-card .report-meta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            color: var(--brand-gold);
            font-weight: 500;
            border-top: 1px solid var(--border-gold-light);
            padding-top: 0.6rem;
        }

        /* ========== Use Cases ========== */
        .usecase-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .usecase-card {
            background: var(--bg-card-alt);
            border: 1px solid rgba(184, 134, 11, 0.3);
            border-radius: var(--radius-md);
            padding: 1.3rem 1.1rem;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
            align-items: center;
        }

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

        .usecase-card .uc-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(30, 86, 49, 0.55);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 1rem;
        }

        .usecase-card h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
        }

        .usecase-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== Stats Panel ========== */
        .stats-panel {
            background: var(--bg-parchment);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .stats-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg stroke='%23B8860B' stroke-opacity='0.06' stroke-width='1'%3E%3Cpath d='M20 3l4 8 9 1-7 7 2 9-8-5-8 5 2-9-7-7 9-1z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 0;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .stat-item {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-gold);
            font-family: var(--font-mono);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--brand-green-light);
            font-weight: 600;
            letter-spacing: 0.06em;
        }

        .stat-item .stat-sublabel {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-tactical .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .accordion-tactical .accordion-item:hover {
            border-color: rgba(184, 134, 11, 0.6);
        }

        .accordion-tactical .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 1rem 1.25rem;
            border: none;
            box-shadow: none;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }

        .accordion-tactical .accordion-button:not(.collapsed) {
            background: rgba(30, 86, 49, 0.3);
            color: var(--brand-gold);
            box-shadow: none;
        }

        .accordion-tactical .accordion-button:focus {
            box-shadow: none;
            border-color: var(--brand-gold);
        }

        .accordion-tactical .accordion-button::after {
            filter: invert(1) sepia(1) saturate(3) hue-rotate(10deg);
            opacity: 0.6;
        }

        .accordion-tactical .accordion-body {
            background: transparent;
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 1rem 1.25rem 1.2rem;
            border-top: 1px solid var(--border-gold-light);
        }

        /* ========== CTA Section ========== */
        .cta-section-tactical {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(30, 86, 49, 0.5), rgba(17, 17, 17, 0.85));
            border: 1px solid var(--brand-gold);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(184, 134, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel .cta-text {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .cta-panel .cta-text h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
            font-family: var(--font-serif);
        }

        .cta-panel .cta-text p {
            font-size: 0.95rem;
            color: var(--text-body);
            margin: 0;
            max-width: 480px;
        }

        .cta-panel .cta-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0A0D0B;
            border-top: 1px solid var(--border-gold);
            padding-top: 2.5rem;
            padding-bottom: 1.5rem;
        }

        .footer-inner {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.04em;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0;
            line-height: 1.6;
        }

        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-nav a {
            color: var(--text-body);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition-base);
        }

        .footer-nav a:hover {
            color: var(--brand-gold);
        }

        .footer-divider {
            border-top: 1px solid var(--border-gold-light);
            margin: 0.5rem 0;
            opacity: 0.6;
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 992px) {
            .dimension-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .report-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .usecase-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
            .hero-stage-grid {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-stage-side,
            .hero-stage-side.left,
            .hero-stage-side.right {
                flex: 0 0 auto;
                flex-direction: row;
                align-items: flex-start;
                text-align: left;
                gap: 1rem;
                flex-wrap: wrap;
            }
            .hero-stage-side.left {
                text-align: left;
            }
            .hero-stage-side.left .stage-point .point-icon {
                align-self: flex-start;
            }
            .hero-stage-side .stage-point {
                flex: 0 0 calc(50% - 0.5rem);
                min-width: 200px;
            }
            .stage-buttons {
                width: 100%;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
                --header-height: 60px;
            }
            .page-banner {
                min-height: 40vh;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-sub {
                font-size: 0.9rem;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .section-header p {
                max-width: 100%;
                text-align: left;
                margin-left: 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .dimension-grid,
            .report-grid,
            .usecase-grid,
            .stats-row {
                grid-template-columns: 1fr;
            }
            .hero-stage-side,
            .hero-stage-side.left,
            .hero-stage-side.right {
                flex-direction: column;
                gap: 0.75rem;
            }
            .hero-stage-side .stage-point {
                flex: 0 0 auto;
                min-width: auto;
            }
            .stage-buttons {
                flex-direction: column;
            }
            .stage-buttons .btn-gold,
            .stage-buttons .btn-outline-gold {
                width: 100%;
            }
            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-panel .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-panel .cta-actions .btn-gold,
            .cta-panel .cta-actions .btn-outline-gold {
                width: 100%;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .brand-icon-circle {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .header-cta {
                display: none;
            }
            .navbar-main .nav-link {
                font-size: 0.95rem;
                padding: 0.65rem 0;
                border-bottom: 1px solid rgba(184, 134, 11, 0.15);
            }
            .navbar-main .nav-link.active::after {
                width: 40%;
            }
            .navbar-collapse {
                background: rgba(17, 17, 17, 0.98);
                padding: 1rem 1.25rem;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                border: 1px solid var(--border-gold);
                border-top: none;
                max-height: 70vh;
                overflow-y: auto;
            }
            .tactical-stage-visual {
                padding: 1rem;
            }
            .tactical-stage-visual img {
                aspect-ratio: 16/10;
            }
            .stats-panel {
                padding: 1.5rem 1rem;
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .footer-nav {
                gap: 0.6rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .hero-stage-wrapper {
                padding-top: 36px;
                padding-bottom: 36px;
            }
            .report-card .report-body h3 {
                font-size: 0.98rem;
            }
            .dimension-card h3 {
                font-size: 0.95rem;
            }
            .cta-panel .cta-text h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0E1A12;
            --bg-secondary: #1A2B1F;
            --bg-card: rgba(20, 30, 22, 0.85);
            --bg-card-alt: rgba(17, 17, 17, 0.8);
            --bg-parchment: rgba(30, 40, 28, 0.7);
            --brand-green: #1E5631;
            --brand-green-light: #2E7D32;
            --brand-gold: #B8860B;
            --brand-gold-light: #C9A227;
            --brand-gold-hover: #D4A537;
            --text-white: #F5F5F0;
            --text-body: #D8D8D0;
            --text-muted: #A0A098;
            --border-gold: rgba(184, 134, 11, 0.4);
            --border-gold-light: rgba(184, 134, 11, 0.25);
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            --font-serif: "Noto Serif SC", "STZhongsong", serif;
            --font-mono: "SF Mono", "Consolas", monospace;
            --transition-base: all 0.25s ease-in-out;
            --transition-slow: all 0.4s ease-in-out;
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --header-height: 68px;
            --max-width: 1200px;
        }
        :root {
            --header-height: 60px;
            --spacing-section: 48px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 400;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--brand-gold);
            text-decoration: none;
            transition: var(--transition-base);
        }
        a:hover {
            color: var(--brand-gold-hover);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: rgba(17, 17, 17, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(184, 134, 11, 0.5);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            letter-spacing: 0.05em;
            transition: var(--transition-base);
        }
        .navbar-brand-custom:hover {
            color: var(--brand-gold-hover);
            transform: translateY(-1px);
        }
        .brand-icon-circle {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--text-white);
            flex-shrink: 0;
            transition: var(--transition-base);
        }
        .navbar-brand-custom:hover .brand-icon-circle {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
        }
        .navbar-main .nav-link {
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1rem;
            position: relative;
            transition: var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .navbar-main .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 1px;
            transition: var(--transition-base);
        }
        .navbar-main .nav-link:hover {
            color: var(--brand-gold);
        }
        .navbar-main .nav-link:hover::after {
            width: 70%;
        }
        .navbar-main .nav-link.active {
            color: var(--brand-gold);
        }
        .navbar-main .nav-link.active::after {
            width: 70%;
        }
        .header-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #111111;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.04em;
        }
        .header-cta:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(201, 162, 39, 0.25);
        }
        .navbar-toggler {
            border: 1px solid var(--border-gold);
            color: var(--brand-gold);
            background: transparent;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            transition: var(--transition-base);
        }
        .navbar-toggler:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--brand-gold-hover);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.3);
        }

        /* ========== Hero ========== */
        .culture-hero {
            position: relative;
            min-height: 72vh;
            display: flex;
            align-items: center;
            padding: 80px 0 70px;
            background-image: linear-gradient(rgba(14, 26, 18, 0.75), rgba(14, 26, 18, 0.85)),
                url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-gold-light);
            overflow: hidden;
        }
        .culture-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(transparent, var(--bg-primary));
            pointer-events: none;
        }
        .hero-watermark {
            position: absolute;
            right: -40px;
            top: 20%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(184, 134, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        .culture-hero .container {
            position: relative;
            z-index: 1;
            max-width: 760px;
            margin-left: auto;
            margin-right: 0;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(184, 134, 11, 0.18);
            border: 1px solid var(--border-gold);
            color: var(--brand-gold-light);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 22px;
            text-transform: uppercase;
        }
        .culture-hero h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-bottom: 20px;
            text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5);
        }
        .culture-hero .hero-sub {
            font-size: 1.05rem;
            color: var(--text-body);
            line-height: 1.85;
            max-width: 620px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-gold {
            background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-light));
            color: #111111;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            transition: var(--transition-base);
            letter-spacing: 0.05em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-gold:hover {
            background: var(--brand-gold-hover);
            color: #111111;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(201, 162, 39, 0.25);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--brand-gold);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-gold);
            transition: var(--transition-base);
            letter-spacing: 0.05em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-gold:hover {
            background: rgba(184, 134, 11, 0.15);
            color: var(--brand-gold-hover);
            border-color: var(--brand-gold);
        }
        .hero-countdown-ring {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-top: 32px;
            padding-top: 26px;
            border-top: 1px solid var(--border-gold-light);
        }
        .countdown-circle {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, rgba(30, 86, 49, 0.8), rgba(14, 26, 18, 0.95));
            border: 2px solid var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold-light);
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(184, 134, 11, 0.2);
        }
        .countdown-info h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        .countdown-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== Section Common ========== */
        .section-padded {
            padding: var(--spacing-section) 0;
        }
        .section-title-wrap {
            margin-bottom: 40px;
        }
        .section-title-wrap h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title-wrap h2::before {
            content: '';
            width: 4px;
            height: 30px;
            background: var(--brand-gold);
            border-radius: 2px;
            display: inline-block;
        }
        .section-title-wrap .section-lead {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 680px;
            margin-bottom: 0;
        }

        /* ========== Culture Tabs / Dots ========== */
        .culture-dot-nav {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .culture-dot-nav .dot-btn {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(184, 134, 11, 0.3);
            border: none;
            padding: 0;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .culture-dot-nav .dot-btn.active {
            background: var(--brand-gold);
            box-shadow: 0 0 8px rgba(184, 134, 11, 0.6);
            transform: scale(1.3);
        }
        .culture-dot-nav .dot-btn:hover {
            background: var(--brand-gold-hover);
            transform: scale(1.2);
        }

        /* ========== Cultural Pillars ========== */
        .pillar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .pillar-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-gold), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }
        .pillar-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-gold);
        }
        .pillar-card:hover::before {
            opacity: 1;
        }
        .pillar-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.5), rgba(30, 86, 49, 0.85));
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-gold-light);
            margin-bottom: 16px;
            transition: var(--transition-base);
        }
        .pillar-card:hover .pillar-icon {
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.3);
        }
        .pillar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .pillar-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ========== Feature Story Cards ========== */
        .story-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-gold);
        }
        .story-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            flex-shrink: 0;
        }
        .story-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease-in-out;
        }
        .story-card:hover .story-card-img img {
            transform: scale(1.04);
        }
        .story-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 50%;
            background: linear-gradient(transparent, rgba(14, 26, 18, 0.85));
        }
        .story-card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .story-tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .story-tag {
            background: rgba(184, 134, 11, 0.15);
            border: 1px solid var(--border-gold-light);
            color: var(--brand-gold-light);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.05em;
        }
        .story-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .story-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 16px;
        }
        .story-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-gold-light);
            padding-top: 12px;
        }
        .story-meta span i {
            color: var(--brand-gold);
            margin-right: 4px;
        }

        /* ========== Culture Stats Panel ========== */
        .culture-stats-panel {
            background: var(--bg-parchment);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .culture-stats-panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-gold), var(--brand-green-light), transparent);
        }
        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }
        .stat-item .stat-number {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-gold-light);
            line-height: 1.2;
            display: block;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        /* ========== Timeline ========== */
        .culture-timeline {
            position: relative;
            padding-left: 30px;
        }
        .culture-timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(var(--brand-gold), rgba(184, 134, 11, 0.2));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 18px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 7px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--brand-gold);
            border: 2px solid var(--bg-primary);
            box-shadow: 0 0 8px rgba(184, 134, 11, 0.6);
        }
        .timeline-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        .timeline-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .accordion-culture .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .accordion-culture .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            transition: var(--transition-base);
        }
        .accordion-culture .accordion-button:not(.collapsed) {
            background: rgba(184, 134, 11, 0.12);
            color: var(--brand-gold-light);
            box-shadow: none;
        }
        .accordion-culture .accordion-button::after {
            filter: invert(60%) sepia(60%) saturate(400%) hue-rotate(5deg);
        }
        .accordion-culture .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.3);
            border-color: var(--brand-gold);
        }
        .accordion-culture .accordion-body {
            color: var(--text-body);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 16px 22px 20px;
            background: rgba(14, 26, 18, 0.4);
        }

        /* ========== CTA ========== */
        .culture-cta {
            background: linear-gradient(135deg, rgba(30, 86, 49, 0.6), rgba(14, 26, 18, 0.9)),
                url('/assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .culture-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(184, 134, 11, 0.15) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .culture-cta .container {
            position: relative;
            z-index: 1;
        }
        .culture-cta h2 {
            font-family: var(--font-serif);
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .culture-cta p {
            color: var(--text-body);
            font-size: 1rem;
            max-width: 580px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            max-width: 520px;
        }
        .cta-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            background: rgba(14, 26, 18, 0.8);
            border: 1px solid var(--border-gold);
            color: var(--text-white);
            font-size: 0.95rem;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }
        .cta-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }
        .cta-form input[type="email"]:focus {
            outline: none;
            border-color: var(--brand-gold-hover);
            box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.2);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0C120E;
            border-top: 1px solid var(--border-gold-light);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-inner {
            text-align: center;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-gold);
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            max-width: 480px;
            margin: 0 auto 24px;
            line-height: 1.75;
        }
        .footer-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
            justify-content: center;
        }
        .footer-nav a {
            color: var(--text-body);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition-base);
        }
        .footer-nav a:hover {
            color: var(--brand-gold);
        }
        .footer-divider {
            border-color: var(--border-gold-light);
            opacity: 0.5;
            margin: 0 auto 18px;
            max-width: 400px;
        }
        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 992px) {
            .culture-hero .container {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .culture-hero h1 {
                font-size: 2.2rem;
            }
            .section-title-wrap h2 {
                font-size: 1.6rem;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            .culture-hero {
                min-height: 60vh;
                padding: 56px 0 48px;
            }
            .culture-hero h1 {
                font-size: 1.8rem;
            }
            .culture-hero .hero-sub {
                font-size: 0.92rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-gold,
            .btn-outline-gold {
                justify-content: center;
                text-align: center;
            }
            .hero-countdown-ring {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title-wrap h2 {
                font-size: 1.4rem;
            }
            .culture-stats-panel {
                padding: 24px 18px;
            }
            .stat-item .stat-number {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input[type="email"],
            .cta-form .btn-gold {
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .culture-hero h1 {
                font-size: 1.5rem;
            }
            .culture-hero .hero-sub {
                font-size: 0.85rem;
            }
            .section-title-wrap h2 {
                font-size: 1.25rem;
            }
            .pillar-card {
                padding: 20px 16px;
            }
            .story-card-body {
                padding: 16px 16px 20px;
            }
            .footer-nav {
                gap: 12px;
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category6 */
:root {
      --bg-primary: #0E1A12;
      --bg-secondary: #1A2B1F;
      --bg-card: rgba(20, 30, 22, 0.85);
      --bg-card-alt: rgba(17, 17, 17, 0.8);
      --bg-parchment: rgba(30, 40, 28, 0.7);
      --brand-green: #1E5631;
      --brand-green-light: #2E7D32;
      --brand-gold: #B8860B;
      --brand-gold-light: #C9A227;
      --brand-gold-hover: #D4A537;
      --text-white: #F5F5F0;
      --text-body: #D8D8D0;
      --text-muted: #A0A098;
      --border-gold: rgba(184, 134, 11, 0.4);
      --border-gold-light: rgba(184, 134, 11, 0.25);
      --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.45);
      --shadow-card-hover: 0 8px 24px rgba(184, 134, 11, 0.15);
      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 8px;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
      --font-serif: "Noto Serif SC", "STZhongsong", serif;
      --font-mono: "SF Mono", "Consolas", monospace;
      --transition-base: all 0.25s ease-in-out;
      --transition-slow: all 0.4s ease-in-out;
      --spacing-section: 72px;
      --spacing-section-mobile: 48px;
      --header-height: 60px;
      --max-width: 1200px;
    }

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

    body {
      font-family: var(--font-sans);
      font-size: 15px;
      font-weight: 400;
      line-height: 1.7;
      color: var(--text-body);
      background-color: var(--bg-primary);
      background-image: radial-gradient(ellipse at 20% 10%, rgba(30, 86, 49, 0.35) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 90%, rgba(184, 134, 11, 0.08) 0%, transparent 45%),
                        linear-gradient(135deg, #0E1A12 0%, #1A2B1F 100%);
      background-attachment: fixed;
      min-height: 100vh;
      overflow-x: hidden;
    }

    a {
      color: var(--brand-gold);
      text-decoration: none;
      transition: var(--transition-base);
    }
    a:hover {
      color: var(--brand-gold-hover);
      text-decoration: none;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--brand-gold);
      outline-offset: 2px;
      border-radius: var(--radius-sm);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      max-width: var(--max-width);
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ========== Header / Navigation ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1040;
      background: rgba(17, 17, 17, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(184, 134, 11, 0.5);
      height: var(--header-height);
      display: flex;
      align-items: center;
      transition: var(--transition-base);
    }
    .site-header.scrolled {
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    }
    .navbar-brand-custom {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-serif);
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--brand-gold);
      letter-spacing: 0.05em;
      transition: var(--transition-base);
    }
    .navbar-brand-custom:hover {
      color: var(--brand-gold-hover);
      transform: translateY(-1px);
    }
    .brand-icon-circle {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, rgba(46, 125, 50, 0.6), rgba(30, 86, 49, 0.9));
      border: 2px solid var(--brand-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      color: var(--text-white);
      flex-shrink: 0;
      transition: var(--transition-base);
    }
    .navbar-brand-custom:hover .brand-icon-circle {
      border-color: var(--brand-gold-hover);
      box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
    }
    .navbar-main .nav-link {
      color: var(--text-white);
      font-weight: 600;
      font-size: 0.9rem;
      padding: 0.6rem 1rem;
      position: relative;
      transition: var(--transition-base);
      letter-spacing: 0.03em;
      white-space: nowrap;
    }
    .navbar-main .nav-link::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background: var(--brand-gold);
      border-radius: 1px;
      transition: var(--transition-base);
    }
    .navbar-main .nav-link:hover {
      color: var(--brand-gold);
    }
    .navbar-main .nav-link:hover::after {
      width: 70%;
    }
    .navbar-main .nav-link.active {
      color: var(--brand-gold);
    }
    .navbar-main .nav-link.active::after {
      width: 70%;
    }
    .navbar-toggler {
      border: 1px solid var(--border-gold);
      color: var(--brand-gold);
      background: transparent;
    }
    .navbar-toggler:focus {
      box-shadow: 0 0 0 2px rgba(184, 134, 11, 0.4);
    }
    .navbar-toggler .fa-bars {
      font-size: 1.2rem;
    }
    .header-cta {
      display: inline-block;
      padding: 0.45rem 1rem;
      border-radius: var(--radius-sm);
      background: linear-gradient(135deg, #B8860B, #C9A227);
      color: #111;
      font-weight: 700;
      font-size: 0.85rem;
      border: 1px solid var(--brand-gold);
      transition: var(--transition-base);
      white-space: nowrap;
    }
    .header-cta:hover {
      background: var(--brand-gold-hover);
      color: #111;
      box-shadow: 0 0 12px rgba(201, 162, 39, 0.4);
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(17, 17, 17, 0.98);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(184, 134, 11, 0.5);
        padding: 1rem 1.5rem 1.5rem;
        z-index: 1039;
      }
      .navbar-nav {
        text-align: center;
        gap: 0.5rem 0;
      }
      .navbar-main .nav-link {
        padding: 0.7rem 0;
        font-size: 1rem;
        border-bottom: 1px solid rgba(184, 134, 11, 0.15);
      }
      .navbar-main .nav-link.active {
        border-bottom-color: var(--brand-gold);
      }
      .header-cta {
        margin-top: 0.8rem;
        display: block;
        text-align: center;
      }
    }

    /* ========== Buttons ========== */
    .btn-primary-gold {
      background: linear-gradient(135deg, #B8860B, #C9A227);
      border: 1px solid var(--brand-gold);
      color: #111;
      font-weight: 700;
      padding: 0.7rem 1.6rem;
      border-radius: var(--radius-sm);
      transition: var(--transition-base);
      display: inline-block;
      letter-spacing: 0.02em;
    }
    .btn-primary-gold:hover,
    .btn-primary-gold:focus {
      background: var(--brand-gold-hover);
      color: #111;
      box-shadow: 0 0 14px rgba(201, 162, 39, 0.35);
      border-color: var(--brand-gold-hover);
      transform: translateY(-1px);
    }
    .btn-outline-gold {
      background: transparent;
      border: 1px solid var(--border-gold);
      color: var(--brand-gold);
      font-weight: 600;
      padding: 0.65rem 1.5rem;
      border-radius: var(--radius-sm);
      transition: var(--transition-base);
      display: inline-block;
    }
    .btn-outline-gold:hover,
    .btn-outline-gold:focus {
      background: rgba(184, 134, 11, 0.15);
      color: var(--brand-gold-hover);
      border-color: var(--brand-gold-hover);
      transform: translateY(-1px);
    }

    /* ========== Section common ========== */
    .section-padding {
      padding-top: var(--spacing-section);
      padding-bottom: var(--spacing-section);
    }
    .section-title-wrap {
      margin-bottom: 2.5rem;
    }
    .section-title {
      font-family: var(--font-serif);
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 0.5rem;
      line-height: 1.35;
    }
    .section-title-accent {
      color: var(--brand-gold);
    }
    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 720px;
      margin-bottom: 0;
      line-height: 1.8;
    }
    .gold-divider {
      width: 60px;
      height: 3px;
      background: var(--brand-gold);
      margin-bottom: 1rem;
      border-radius: 2px;
    }

    /* ========== Hero Banner ========== */
    .page-banner {
      position: relative;
      min-height: 50vh;
      display: flex;
      align-items: center;
      background: linear-gradient(135deg, rgba(14,26,18,0.92) 0%, rgba(26,43,31,0.88) 100%),
                  url('/assets/images/backpic/back-3.webp') center center/cover no-repeat;
      background-blend-mode: multiply;
      border-bottom: 1px solid rgba(184, 134, 11, 0.25);
      padding: 4rem 0;
    }
    .page-banner .breadcrumb {
      margin-bottom: 0.8rem;
      font-size: 0.85rem;
      --bs-breadcrumb-divider-color: var(--brand-gold);
    }
    .page-banner .breadcrumb-item a {
      color: var(--brand-gold);
    }
    .page-banner .breadcrumb-item.active {
      color: var(--text-muted);
    }
    .page-banner h1 {
      font-family: var(--font-serif);
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--text-white);
      line-height: 1.3;
      margin-bottom: 1rem;
      letter-spacing: 0.02em;
    }
    .page-banner h1 .accent {
      color: var(--brand-gold);
    }
    .page-banner .lead {
      color: var(--text-body);
      max-width: 640px;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 1.5rem;
    }
    .banner-actions {
      display: flex;
      gap: 0.8rem;
      flex-wrap: wrap;
    }

    /* ========== Feature cards (上下卡片栅格) ========== */
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: var(--transition-slow);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card-hover);
      border-color: var(--brand-gold);
    }
    .feature-card-img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      filter: brightness(0.75);
      transition: var(--transition-base);
    }
    .feature-card:hover .feature-card-img {
      filter: brightness(0.9);
      transform: scale(1.02);
    }
    .feature-card-body {
      padding: 1.2rem 1.2rem 1.4rem;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .feature-card-body h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 0.5rem;
    }
    .feature-card-body p {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.7;
      margin-bottom: 0;
    }
    .feature-icon {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: rgba(184, 134, 11, 0.15);
      border: 1px solid var(--brand-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-gold);
      font-size: 1rem;
      margin-bottom: 0.8rem;
    }

    /* ========== Data panel ========== */
    .data-panel {
      background: var(--bg-parchment);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-md);
      padding: 1.8rem 1.5rem;
      position: relative;
      overflow: hidden;
    }
    .data-panel::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--brand-gold), transparent);
    }
    .data-item {
      text-align: center;
      padding: 0.8rem 0.5rem;
    }
    .data-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--brand-gold-light);
      line-height: 1.2;
      letter-spacing: 0.02em;
    }
    .data-label {
      font-size: 0.85rem;
      color: var(--brand-green-light);
      font-weight: 600;
      letter-spacing: 0.04em;
      margin-top: 0.3rem;
    }

    /* ========== Use case cards ========== */
    .use-case-card {
      background: var(--bg-card-alt);
      border: 1px solid var(--border-gold-light);
      border-radius: var(--radius-md);
      padding: 1.2rem 1.2rem;
      transition: var(--transition-base);
      height: 100%;
    }
    .use-case-card:hover {
      border-color: var(--brand-gold);
      transform: translateY(-3px);
    }
    .use-case-icon {
      font-size: 1.5rem;
      color: var(--brand-gold);
      margin-bottom: 0.8rem;
    }
    .use-case-card h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 0.5rem;
    }
    .use-case-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 0;
      line-height: 1.6;
    }

    /* ========== Process steps ========== */
    .process-step {
      position: relative;
      padding-left: 2.5rem;
      padding-bottom: 1.8rem;
      border-left: 1px solid var(--border-gold-light);
      margin-left: 0.6rem;
    }
    .process-step:last-child {
      border-left-color: transparent;
    }
    .process-step::before {
      content: '';
      position: absolute;
      left: -8px;
      top: 0;
      width: 15px;
      height: 15px;
      background: var(--brand-green);
      border: 2px solid var(--brand-gold);
      border-radius: 50%;
      box-shadow: 0 0 8px rgba(184, 134, 11, 0.5);
    }
    .step-number {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--brand-gold-light);
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }
    .process-step h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-white);
      margin: 0.3rem 0 0.4rem;
    }
    .process-step p {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-bottom: 0;
      line-height: 1.7;
    }

    /* ========== FAQ ========== */
    .accordion-custom .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-gold-light);
      border-radius: var(--radius-md) !important;
      margin-bottom: 0.8rem;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .accordion-custom .accordion-button {
      background: transparent;
      color: var(--text-white);
      font-weight: 600;
      font-size: 0.95rem;
      padding: 1rem 1.2rem;
      box-shadow: none;
      border: none;
      position: relative;
    }
    .accordion-custom .accordion-button:not(.collapsed) {
      background: rgba(184, 134, 11, 0.1);
      color: var(--brand-gold);
    }
    .accordion-custom .accordion-button::after {
      filter: invert(70%) sepia(50%) saturate(500%) hue-rotate(5deg);
    }
    .accordion-custom .accordion-button:focus {
      outline: none;
      border-color: var(--brand-gold);
    }
    .accordion-custom .accordion-body {
      background: transparent;
      color: var(--text-body);
      font-size: 0.9rem;
      line-height: 1.75;
      padding: 0.8rem 1.2rem 1.2rem;
    }

    /* ========== CTA / Newsletter ========== */
    .cta-section {
      background: linear-gradient(135deg, rgba(20, 30, 22, 0.95), rgba(17, 17, 17, 0.95)),
                  url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
      background-blend-mode: multiply;
      border-top: 1px solid rgba(184, 134, 11, 0.3);
      border-bottom: 1px solid rgba(184, 134, 11, 0.3);
    }
    .cta-panel {
      background: rgba(17, 17, 17, 0.6);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 2rem 1.8rem;
    }
    .newsletter-form .form-control {
      background: rgba(20, 30, 22, 0.9);
      border: 1px solid var(--border-gold);
      color: var(--text-white);
      border-radius: var(--radius-sm);
      padding: 0.7rem 1rem;
    }
    .newsletter-form .form-control::placeholder {
      color: var(--text-muted);
    }
    .newsletter-form .form-control:focus {
      border-color: var(--brand-gold-hover);
      box-shadow: 0 0 0 2px rgba(184, 134, 11, 0.2);
      background: rgba(20, 30, 22, 0.95);
    }

    /* ========== Footer ========== */
    .site-footer {
      background: #111;
      border-top: 1px solid rgba(184, 134, 11, 0.5);
      padding: 3rem 0 1.5rem;
      font-size: 0.9rem;
    }
    .footer-inner {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-family: var(--font-serif);
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--brand-gold);
      margin-bottom: 0.8rem;
    }
    .footer-desc {
      color: var(--text-muted);
      max-width: 400px;
      margin-bottom: 1.2rem;
      line-height: 1.7;
    }
    .footer-nav {
      list-style: none;
      padding: 0;
      margin: 0 0 1.5rem;
      display: flex;
      flex-wrap: wrap;
      gap: 1rem 1.5rem;
    }
    .footer-nav li a {
      color: var(--text-body);
      font-weight: 500;
      transition: var(--transition-base);
    }
    .footer-nav li a:hover {
      color: var(--brand-gold);
    }
    .footer-divider {
      border-color: rgba(184, 134, 11, 0.3);
      margin: 1rem 0;
    }
    .footer-copyright {
      color: var(--text-muted);
      font-size: 0.85rem;
      margin-bottom: 0;
    }

    @media (max-width: 767.98px) {
      .section-title {
        font-size: 1.5rem;
      }
      .page-banner h1 {
        font-size: 2rem;
      }
      .page-banner {
        min-height: 45vh;
        padding: 3rem 0;
      }
      .section-padding {
        padding-top: var(--spacing-section-mobile);
        padding-bottom: var(--spacing-section-mobile);
      }
      .feature-card-img {
        height: 150px;
      }
      .data-number {
        font-size: 1.8rem;
      }
      .footer-nav {
        flex-direction: column;
        gap: 0.5rem;
      }
    }