/* roulang page: index */
:root {
            --tea-dark: #3A2C27;
            --tea-deep: #5D4037;
            --tea-gradient-start: #3A2C27;
            --tea-gradient-end: #5D4037;
            --gold: #C9A96E;
            --gold-light: #D4B87A;
            --gold-pale: #E8D5B0;
            --cream: #F5F0EB;
            --cream-light: #F9F6F0;
            --bg-dark: #1A1A1A;
            --bg-card: #252323;
            --bg-card-alt: #2A2827;
            --text-primary: #F0EEE6;
            --text-secondary: #B8B5AD;
            --text-muted: #8A8780;
            --text-dark: #2C2826;
            --border-subtle: rgba(201, 169, 110, 0.25);
            --border-gold: rgba(201, 169, 110, 0.5);
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.6);
            --shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.75);
            --shadow-gold: 0 4px 20px rgba(201, 169, 110, 0.2);
            --radius-xl: 24px;
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --radius-pill: 50px;
            --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', 'KaiTi', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, sans-serif;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
            --container-max: 1200px;
            --section-gap: 120px;
            --section-gap-mobile: 80px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.8;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-tap-highlight-color: transparent;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 40px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            :root {
                --section-gap: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --section-gap: 60px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-smooth);
        }

        .nav-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            padding: 0 40px;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-search-wrap {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 360px;
            margin: 0 30px;
            position: relative;
        }

        .nav-search-input {
            width: 100%;
            height: 42px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 0 44px 0 18px;
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .nav-search-input::placeholder {
            color: var(--text-muted);
        }
        .nav-search-input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.15);
            background: rgba(255, 255, 255, 0.09);
        }

        .nav-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gold);
            color: #1A1A1A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-smooth);
        }
        .nav-search-btn:hover {
            background: var(--gold-light);
            transform: translateY(-50%) scale(1.05);
        }

        .nav-cta-top {
            flex-shrink: 0;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            color: #fff;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .nav-cta-top:hover {
            background: linear-gradient(135deg, var(--tea-gradient-end), var(--tea-gradient-start));
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
        }

        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--text-primary);
            flex-shrink: 0;
            transition: background var(--transition-smooth);
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-row-tabs {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 0 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            display: flex;
            align-items: center;
            height: 48px;
            gap: 6px;
        }
        .nav-row-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            flex-shrink: 0;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.88rem;
            color: #AAA;
            font-weight: 500;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            cursor: pointer;
            letter-spacing: 0.2px;
        }
        .nav-tab:hover {
            color: var(--gold-light);
            background: rgba(201, 169, 110, 0.08);
        }
        .nav-tab.active {
            background: rgba(201, 169, 110, 0.2);
            color: var(--gold);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .nav-row-top {
                padding: 0 20px;
            }
            .nav-row-tabs {
                padding: 0 20px;
                height: 44px;
            }
            .nav-search-wrap {
                display: none;
            }
            .nav-cta-top {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-tab {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .nav-row-top {
                padding: 0 14px;
                height: 54px;
            }
            .nav-row-tabs {
                padding: 0 14px;
                height: 40px;
                gap: 3px;
            }
            .nav-tab {
                padding: 5px 11px;
                font-size: 0.75rem;
            }
            .nav-logo {
                font-size: 0.95rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.8rem;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -150px;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(90, 60, 50, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-icon-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 36px;
        }

        .hero-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            padding: 20px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: default;
        }
        .hero-icon-item:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
            background: var(--bg-card-alt);
        }
        .hero-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--gold);
            flex-shrink: 0;
        }
        .hero-icon-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-bottom: 28px;
            padding: 14px 28px;
            background: var(--bg-card);
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-subtle);
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #4CAF50;
            animation: pulse-dot 2s infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(76, 175, 80, 0);
            }
        }
        .hero-status-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .hero-status-num {
            font-weight: 700;
            color: var(--gold);
            font-size: 1.05rem;
        }

        .hero-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 2.8rem;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            max-width: 700px;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 580px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 36px;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--tea-gradient-end), var(--tea-gradient-start));
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 36px;
            background: transparent;
            color: var(--gold);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.4px;
            border: 1.5px solid var(--gold);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .btn-outline:hover {
            background: rgba(201, 169, 110, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: scale(0.98);
        }

        @media (max-width: 768px) {
            .hero-section {
                padding-top: 120px;
                padding-bottom: 60px;
            }
            .hero-icon-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                margin-bottom: 24px;
            }
            .hero-icon-item {
                padding: 16px 12px;
            }
            .hero-icon-circle {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
            .hero-icon-label {
                font-size: 0.78rem;
            }
            .hero-title {
                font-size: 2rem;
                letter-spacing: 0.3px;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-status-bar {
                gap: 16px;
                padding: 10px 18px;
                border-radius: var(--radius-lg);
            }
            .hero-status-text {
                font-size: 0.8rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 13px 28px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                padding-top: 105px;
                padding-bottom: 50px;
            }
            .hero-icon-grid {
                gap: 8px;
            }
            .hero-icon-item {
                padding: 12px 8px;
                border-radius: var(--radius-md);
            }
            .hero-icon-circle {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .hero-icon-label {
                font-size: 0.7rem;
            }
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
                margin-bottom: 22px;
            }
            .hero-status-bar {
                gap: 10px;
                padding: 8px 14px;
                border-radius: var(--radius-md);
            }
            .hero-status-text {
                font-size: 0.72rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 22px;
                font-size: 0.82rem;
                border-radius: var(--radius-xs);
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 0 0 var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(201, 169, 110, 0.12);
            color: var(--gold);
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 2rem;
            color: var(--text-primary);
            letter-spacing: 0.4px;
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-header {
                margin-bottom: 32px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.85rem;
            }
        }

        /* ========== SERIES NAV ========== */
        .series-nav-section {
            padding-bottom: var(--section-gap);
        }
        .series-scroll {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 8px 0;
            flex-wrap: nowrap;
        }
        .series-scroll::-webkit-scrollbar {
            display: none;
        }
        .series-pill {
            flex-shrink: 0;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .series-pill:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: var(--bg-card-alt);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .series-pill.active-pill {
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            border-color: transparent;
            color: #fff;
            font-weight: 600;
        }
        .series-pill .pill-badge {
            font-size: 0.7rem;
            background: rgba(201, 169, 110, 0.3);
            padding: 3px 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
        }
        .series-pill.active-pill .pill-badge {
            background: rgba(255, 255, 255, 0.25);
        }

        @media (max-width: 768px) {
            .series-pill {
                padding: 10px 18px;
                font-size: 0.8rem;
                border-radius: var(--radius-lg);
            }
        }
        @media (max-width: 520px) {
            .series-pill {
                padding: 8px 14px;
                font-size: 0.72rem;
                gap: 4px;
                border-radius: var(--radius-md);
            }
        }

        /* ========== HOT DISPLAY ========== */
        .hot-display-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }
        .hot-card-large {
            grid-row: span 2;
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .hot-card-large:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--gold);
        }
        .hot-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .hot-card-body {
            padding: 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            color: var(--gold);
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .hot-card-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-primary);
            letter-spacing: 0.3px;
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .hot-card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }
        .hot-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .hot-card-meta .meta-stars {
            color: var(--gold);
        }
        .hot-card-small {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 22px 24px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .hot-card-small:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--gold);
        }
        .hot-card-small-img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .hot-card-small-info {
            flex: 1;
        }
        .hot-card-small-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .hot-card-small-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .hot-card-small-badge {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(201, 169, 110, 0.15);
            color: var(--gold);
            border-radius: var(--radius-pill);
            font-size: 0.7rem;
            font-weight: 600;
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .hot-display-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 14px;
            }
            .hot-card-large {
                grid-row: auto;
            }
            .hot-card-body {
                padding: 18px 20px;
            }
            .hot-card-title {
                font-size: 1.1rem;
            }
            .hot-card-small {
                padding: 16px 18px;
                gap: 12px;
            }
            .hot-card-small-img {
                width: 60px;
                height: 60px;
                border-radius: var(--radius-sm);
            }
        }
        @media (max-width: 520px) {
            .hot-card-body {
                padding: 14px 16px;
            }
            .hot-card-title {
                font-size: 1rem;
            }
            .hot-card-desc {
                font-size: 0.78rem;
            }
            .hot-card-small {
                padding: 14px;
                border-radius: var(--radius-lg);
            }
            .hot-card-small-img {
                width: 50px;
                height: 50px;
            }
            .hot-card-small-title {
                font-size: 0.88rem;
            }
            .hot-card-small-desc {
                font-size: 0.72rem;
            }
        }

        /* ========== INFO SECTION ========== */
        .info-layout {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 28px;
            align-items: start;
        }
        .info-list-col {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .info-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .info-list-item:hover {
            border-color: var(--gold);
            background: var(--bg-card-alt);
            transform: translateX(4px);
            box-shadow: var(--shadow-gold);
        }
        .info-list-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .info-list-content {
            flex: 1;
        }
        .info-list-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 3px;
            letter-spacing: 0.2px;
        }
        .info-list-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .info-list-arrow {
            color: var(--gold);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
        }
        .info-list-item:hover .info-list-arrow {
            transform: translateX(3px);
        }
        .info-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            position: sticky;
            top: 140px;
        }
        .info-sidebar-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .info-sidebar-card {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .info-sidebar-card:last-child {
            border-bottom: none;
        }
        .info-sidebar-card:hover {
            opacity: 0.85;
        }
        .info-sidebar-img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .info-sidebar-card-title {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-primary);
            margin-bottom: 3px;
        }
        .info-sidebar-card-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .info-sidebar-badge {
            display: inline-block;
            padding: 2px 8px;
            background: rgba(201, 169, 110, 0.15);
            color: var(--gold);
            border-radius: var(--radius-pill);
            font-size: 0.65rem;
            font-weight: 600;
            margin-top: 3px;
        }

        @media (max-width: 768px) {
            .info-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .info-sidebar {
                position: static;
                border-radius: var(--radius-lg);
            }
            .info-list-item {
                padding: 14px 16px;
            }
            .info-list-num {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }
            .info-list-title {
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .info-list-item {
                padding: 12px 14px;
                gap: 10px;
                border-radius: var(--radius-md);
            }
            .info-list-num {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
            }
            .info-list-title {
                font-size: 0.78rem;
            }
            .info-list-desc {
                font-size: 0.7rem;
            }
        }

        /* ========== PACKAGE COMPARE ========== */
        .package-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .package-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .package-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .package-card.featured {
            border-color: var(--gold);
            background: var(--bg-card-alt);
            box-shadow: var(--shadow-gold);
            transform: scale(1.03);
            z-index: 2;
        }
        .package-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .package-badge-featured {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            padding: 6px 20px;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            color: var(--gold);
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .package-name {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
            text-align: center;
        }
        .package-price {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 6px;
            font-family: var(--font-serif);
        }
        .package-price-sub {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .package-features {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 20px;
        }
        .package-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .package-feature i {
            color: var(--gold);
            font-size: 0.75rem;
            flex-shrink: 0;
        }
        .package-btn {
            display: block;
            width: 100%;
            padding: 14px;
            text-align: center;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 1.5px solid var(--gold);
            background: transparent;
            color: var(--gold);
        }
        .package-btn:hover {
            background: rgba(201, 169, 110, 0.1);
        }
        .package-card.featured .package-btn {
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            border-color: transparent;
            color: #fff;
        }
        .package-card.featured .package-btn:hover {
            background: linear-gradient(135deg, var(--tea-gradient-end), var(--tea-gradient-start));
            box-shadow: var(--shadow-gold);
        }

        @media (max-width: 900px) {
            .package-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
                gap: 18px;
            }
            .package-card.featured {
                transform: none;
            }
            .package-card.featured:hover {
                transform: translateY(-4px);
            }
            .package-card {
                padding: 24px 20px;
                border-radius: var(--radius-lg);
            }
        }
        @media (max-width: 520px) {
            .package-card {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .package-price {
                font-size: 1.7rem;
            }
            .package-name {
                font-size: 1rem;
            }
        }

        /* ========== TOPIC CLOUD ========== */
        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .topic-tag {
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-smooth);
            letter-spacing: 0.2px;
        }
        .topic-tag:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            background: var(--bg-card-alt);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .topic-tag.tag-lg {
            font-size: 1.05rem;
            padding: 12px 26px;
            font-weight: 600;
        }
        .topic-tag.tag-md {
            font-size: 0.9rem;
            padding: 10px 20px;
        }
        @media (max-width: 768px) {
            .topic-tag {
                padding: 8px 16px;
                font-size: 0.78rem;
            }
            .topic-tag.tag-lg {
                font-size: 0.9rem;
                padding: 10px 20px;
            }
        }
        @media (max-width: 520px) {
            .topic-cloud {
                gap: 7px;
            }
            .topic-tag {
                padding: 7px 13px;
                font-size: 0.7rem;
                border-radius: var(--radius-lg);
            }
            .topic-tag.tag-lg {
                font-size: 0.8rem;
                padding: 8px 16px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            letter-spacing: 0.2px;
            transition: background var(--transition-smooth);
            gap: 12px;
            text-align: left;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.15);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--gold);
            color: #1A1A1A;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            background: rgba(245, 240, 235, 0.04);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px 22px;
        }
        .faq-answer-inner {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 15px 18px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 14px 18px;
            }
            .faq-answer-inner {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 12px 14px;
                font-size: 0.78rem;
            }
            .faq-icon {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 14px 12px 14px;
            }
            .faq-answer-inner {
                font-size: 0.72rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.88) 0%, rgba(30, 25, 22, 0.92) 50%, rgba(26, 26, 26, 0.9) 100%);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }
        .cta-title {
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 2.4rem;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-btn-large {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 18px 48px;
            background: linear-gradient(135deg, var(--tea-gradient-start), var(--tea-gradient-end));
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: 1px solid transparent;
            animation: gentle-pulse 3s infinite;
        }
        @keyframes gentle-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(201, 169, 110, 0.4);
            }
            50% {
                box-shadow: 0 0 0 18px rgba(201, 169, 110, 0);
            }
        }
        .cta-btn-large:hover {
            background: linear-gradient(135deg, var(--tea-gradient-end), var(--tea-gradient-start));
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
            animation: none;
        }
        .cta-btn-large:active {
            transform: scale(0.97);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-title {
                font-size: 1.7rem;
            }
            .cta-desc {
                font-size: 0.9rem;
            }
            .cta-btn-large {
                padding: 15px 36px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-title {
                font-size: 1.35rem;
            }
            .cta-desc {
                font-size: 0.8rem;
            }
            .cta-btn-large {
                padding: 13px 28px;
                font-size: 0.85rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1E1B1A;
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-col-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition-smooth);
            letter-spacing: 0.2px;
        }
        .footer-col a:hover {
            color: var(--gold);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.2px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-col-title {
                font-size: 0.82rem;
            }
            .footer-col a {
                font-size: 0.72rem;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .text-gold {
            color: var(--gold);
        }