/* roulang page: index */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

        * {
            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);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--color-bronze);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-bronze-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background-color: var(--color-ink);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .brand-logo:hover {
            color: var(--color-bronze);
        }

        .brand-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .desktop-nav a {
            color: #D5CEC2;
            font-size: 0.92rem;
            padding: 8px 13px;
            border-radius: 6px;
            transition: color 0.25s ease, background-color 0.25s ease;
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .desktop-nav a.active {
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            background-color: var(--color-bronze);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, transform 0.2s ease !important;
            margin-left: 8px;
        }

        .nav-cta:hover {
            background-color: var(--color-bronze-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--color-ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: env(safe-area-inset-bottom, 0);
            height: 58px;
        }

        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 600px;
            margin: 0 auto;
            height: 58px;
        }

        .mobile-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: #A8A29A;
            font-size: 0.65rem;
            letter-spacing: 0.03em;
            min-height: 44px;
            transition: color 0.25s ease, background-color 0.25s ease;
            position: relative;
        }

        .mobile-bottom-tab a .tab-icon {
            font-size: 1.15rem;
            line-height: 1.2;
        }

        .mobile-bottom-tab a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }

        .mobile-bottom-tab a.active {
            color: var(--color-bronze);
        }

        .mobile-bottom-tab a.active::after {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 2px;
            background-color: var(--color-bronze);
            border-radius: 1px;
        }

        /* ===== Hero ===== */
        .hero-crowdfunding {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            padding: 80px 0 100px;
        }

        .hero-crowdfunding::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 10, 10, 0.92) 0%, rgba(22, 22, 22, 0.85) 50%, rgba(10, 10, 10, 0.7) 100%);
            z-index: 1;
        }

        .hero-crowdfunding .hero-bg-ring {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            border-radius: 50%;
            border: 1px solid rgba(192, 122, 63, 0.2);
            z-index: 1;
            pointer-events: none;
        }

        .hero-crowdfunding .hero-bg-ring::before {
            content: '';
            position: absolute;
            top: -30px;
            left: -30px;
            right: -30px;
            bottom: -30px;
            border-radius: 50%;
            border: 1px dashed rgba(192, 122, 63, 0.15);
            animation: spin-slow 60s linear infinite;
        }

        .hero-crowdfunding .hero-bg-ring::after {
            content: '';
            position: absolute;
            top: 60px;
            left: 60px;
            right: 60px;
            bottom: 60px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        @keyframes spin-slow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .hero-crowdfunding .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1100px;
            width: 100%;
            padding: 0 24px;
        }

        .hero-crowdfunding .hero-top-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-crowdfunding .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(192, 122, 63, 0.18);
            color: #E8B98A;
            border: 1px solid rgba(192, 122, 63, 0.35);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            font-weight: 500;
        }

        .hero-crowdfunding .hero-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--color-bronze);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.3); }
        }

        .hero-crowdfunding h1 {
            font-size: clamp(2rem, 4.5vw, 3.3rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.28;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .hero-crowdfunding h1 .highlight {
            color: var(--color-bronze);
        }

        .hero-crowdfunding .hero-desc {
            font-size: 1rem;
            color: #CEC7BC;
            line-height: 1.9;
            max-width: 500px;
            margin-bottom: 28px;
        }

        .hero-crowdfunding .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: var(--color-bronze);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            box-shadow: 0 2px 10px rgba(192, 122, 63, 0.25);
            min-height: 44px;
        }

        .btn-primary:hover {
            background-color: var(--color-bronze-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(192, 122, 63, 0.35);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(192, 122, 63, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: transparent;
            color: #E8E2D8;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            padding: 12px 26px;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.04em;
            transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
            min-height: 44px;
        }

        .btn-secondary:hover {
            background-color: #fff;
            color: var(--color-ink);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .hero-crowdfunding .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-crowdfunding .hero-stat {
            color: #fff;
        }

        .hero-crowdfunding .hero-stat .stat-num {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-bronze);
            display: block;
            line-height: 1.3;
            font-family: var(--font-mono);
        }

        .hero-crowdfunding .hero-stat .stat-label {
            font-size: 0.78rem;
            color: #A8A29A;
            letter-spacing: 0.05em;
        }

        /* Progress Ring */
        .progress-ring-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .progress-ring {
            position: relative;
            width: 160px;
            height: 160px;
        }

        .progress-ring svg {
            transform: rotate(-90deg);
            width: 160px;
            height: 160px;
        }

        .progress-ring .ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.12);
            stroke-width: 8;
        }

        .progress-ring .ring-fg {
            fill: none;
            stroke: var(--color-bronze);
            stroke-width: 8;
            stroke-linecap: round;
            stroke-dasharray: 367;
            stroke-dashoffset: 117;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-ring .ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: #fff;
        }

        .progress-ring .ring-percent {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            font-family: var(--font-mono);
        }

        .progress-ring .ring-label {
            font-size: 0.7rem;
            color: #B8B2A8;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .tier-preview-list {
            margin-top: 18px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .tier-preview-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 10px 14px;
            color: #D5CEC2;
            font-size: 0.82rem;
            transition: background-color 0.25s ease, border-color 0.25s ease;
            cursor: default;
        }

        .tier-preview-item:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: rgba(192, 122, 63, 0.3);
        }

        .tier-preview-item .tier-name {
            font-weight: 600;
            color: #fff;
        }

        .tier-preview-item .tier-price {
            color: var(--color-bronze);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        /* ===== Section base ===== */
        .section {
            padding: 72px 0;
        }

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

        .section-dark {
            background-color: var(--color-ink);
            color: #D5CEC2;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            letter-spacing: 0.09em;
            text-transform: uppercase;
            color: var(--color-bronze);
            font-weight: 600;
            margin-bottom: 10px;
        }

        .section-header .section-eyebrow::before {
            content: '';
            width: 24px;
            height: 1px;
            background-color: var(--color-bronze);
        }

        .section-header h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 700;
            color: var(--color-text-main);
            letter-spacing: 0.02em;
            line-height: 1.4;
            margin-bottom: 14px;
        }

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

        .section-header .section-desc {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            max-width: 620px;
            line-height: 1.85;
        }

        .section-dark .section-header .section-desc {
            color: #B8B2A8;
        }

        /* ===== Goal Progress ===== */
        .goal-progress-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .goal-progress-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .goal-progress-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .goal-progress-card .goal-label {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .goal-progress-card .goal-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.3;
            font-family: var(--font-mono);
        }

        .goal-progress-card .goal-value span {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 400;
            font-family: var(--font-sans);
        }

        .progress-bar {
            height: 6px;
            background-color: #EDE7DE;
            border-radius: 3px;
            overflow: hidden;
            margin: 12px 0 8px;
        }

        .progress-bar .progress-fill {
            height: 100%;
            background-color: var(--color-bronze);
            border-radius: 3px;
            transition: width 1.2s ease;
        }

        .goal-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
        }

        /* ===== Tier Cards ===== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tier-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(192, 122, 63, 0.35);
        }

        .tier-card.featured {
            border-color: var(--color-bronze);
            box-shadow: 0 4px 20px rgba(192, 122, 63, 0.2);
        }

        .tier-card.featured::before {
            content: '优先档';
            position: absolute;
            top: 12px;
            right: 12px;
            background-color: var(--color-bronze);
            color: #fff;
            font-size: 0.65rem;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.06em;
            font-weight: 600;
        }

        .tier-card .tier-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 4px;
        }

        .tier-card .tier-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-bronze);
            font-family: var(--font-mono);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .tier-card .tier-price span {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 400;
            font-family: var(--font-sans);
        }

        .tier-card ul {
            list-style: none;
            margin-bottom: 20px;
            flex: 1;
        }

        .tier-card ul li {
            font-size: 0.85rem;
            color: var(--color-text-body);
            padding-left: 20px;
            position: relative;
            margin-bottom: 8px;
            line-height: 1.65;
        }

        .tier-card ul li::before {
            content: '•';
            position: absolute;
            left: 4px;
            color: var(--color-bronze);
            font-weight: 700;
        }

        .tier-card .btn-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-ink);
            color: #fff;
            padding: 11px 18px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            min-height: 44px;
            transition: background-color 0.25s ease, transform 0.2s ease;
        }

        .tier-card .btn-sm:hover {
            background-color: var(--color-bronze-hover);
            color: #fff;
            transform: translateY(-1px);
        }

        .tier-card.featured .btn-sm {
            background-color: var(--color-bronze);
        }

        .tier-card.featured .btn-sm:hover {
            background-color: var(--color-bronze-hover);
        }

        /* ===== Supporter Wall ===== */
        .supporter-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }

        .supporter-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

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

        .supporter-card.large {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .supporter-card .supporter-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            overflow: hidden;
            background-color: var(--color-bg-warm);
            border: 2px solid var(--color-border);
            flex-shrink: 0;
        }

        .supporter-card .supporter-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .supporter-card .supporter-name {
            font-weight: 700;
            color: var(--color-text-main);
            font-size: 0.95rem;
        }

        .supporter-card .supporter-badge {
            font-size: 0.7rem;
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.1);
            border: 1px solid rgba(192, 122, 63, 0.25);
            padding: 2px 8px;
            border-radius: 10px;
            letter-spacing: 0.04em;
            display: inline-block;
            margin-top: 4px;
        }

        .supporter-card .supporter-quote {
            font-size: 0.85rem;
            color: var(--color-text-body);
            line-height: 1.75;
            margin-top: 10px;
        }

        .supporter-card .supporter-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            margin-top: 10px;
        }

        /* ===== Rank List ===== */
        .rank-list-wrap {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 22px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color 0.25s ease;
        }

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

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

        .rank-list-item .rank-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-bronze);
            width: 36px;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

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

        .rank-list-item .rank-info .rank-title {
            font-weight: 600;
            color: var(--color-text-main);
            font-size: 0.92rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-list-item .rank-info .rank-desc {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-list-item .rank-heat {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }

        .rank-list-item .rank-heat .heat-bar {
            width: 60px;
            height: 6px;
            background-color: #EDE7DE;
            border-radius: 3px;
            overflow: hidden;
        }

        .rank-list-item .rank-heat .heat-bar .heat-fill {
            height: 100%;
            background-color: var(--color-olive);
            border-radius: 3px;
            transition: width 0.8s ease;
        }

        .rank-list-item .rank-heat .heat-val {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
        }

        /* ===== Deep Content ===== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content.reverse {
            direction: rtl;
        }

        .deep-content.reverse > * {
            direction: ltr;
        }

        .deep-content .deep-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.5;
            margin-bottom: 16px;
        }

        .deep-content .deep-text h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin: 20px 0 10px;
        }

        .deep-content .deep-text p {
            font-size: 0.92rem;
            color: var(--color-text-body);
            line-height: 1.9;
            margin-bottom: 14px;
            text-align: justify;
        }

        .deep-content .deep-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4/3;
            background-color: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }

        .deep-content .deep-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Scene Cards ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }

        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(192, 122, 63, 0.35);
        }

        .scene-card .scene-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: var(--color-bg-warm);
        }

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

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

        .scene-card .scene-body {
            padding: 18px;
        }

        .scene-card .scene-body .scene-name {
            font-weight: 700;
            color: var(--color-text-main);
            font-size: 0.95rem;
            margin-bottom: 6px;
        }

        .scene-card .scene-body .scene-desc {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== News ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 110px 1fr 120px;
            gap: 20px;
            align-items: center;
            padding: 22px 4px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color 0.25s ease;
            cursor: pointer;
        }

        .news-item:hover {
            background-color: rgba(192, 122, 63, 0.04);
        }

        .news-item .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
            background-color: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 4px 10px;
            text-align: center;
            white-space: nowrap;
        }

        .news-item .news-body .news-title {
            font-weight: 700;
            color: var(--color-text-main);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .news-item .news-body .news-summary {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            color: var(--color-bronze);
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 8px 4px;
            border-radius: 4px;
            transition: color 0.25s ease, background-color 0.25s ease;
            min-height: 44px;
            justify-content: center;
        }

        .news-item .btn-read-more:hover {
            color: var(--color-bronze-hover);
            background-color: rgba(192, 122, 63, 0.08);
        }

        /* ===== Changelog ===== */
        .changelog-wrap {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }

        .changelog-item {
            display: flex;
            gap: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 20px;
        }

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

        .changelog-item .changelog-version {
            flex-shrink: 0;
            width: 80px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-bronze);
            letter-spacing: 0.06em;
            font-family: var(--font-mono);
        }

        .changelog-item .changelog-body .changelog-title {
            font-weight: 700;
            color: var(--color-text-main);
            font-size: 0.92rem;
            margin-bottom: 4px;
        }

        .changelog-item .changelog-body .changelog-desc {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== Brand Intro ===== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro .brand-intro-text p {
            font-size: 0.92rem;
            color: var(--color-text-body);
            line-height: 1.95;
            margin-bottom: 14px;
            text-align: justify;
        }

        .brand-intro .brand-intro-visual {
            aspect-ratio: 16/10;
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .brand-intro .brand-intro-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .brand-intro .brand-intro-visual::after {
            content: '';
            position: absolute;
            inset: 20px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 8px;
            pointer-events: none;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-faq);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(192, 122, 63, 0.3);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-item.open {
            border-color: rgba(192, 122, 63, 0.4);
        }

        .faq-item .faq-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 20px;
            cursor: pointer;
            min-height: 44px;
            user-select: none;
            transition: background-color 0.25s ease;
        }

        .faq-item .faq-head:hover {
            background-color: var(--color-bg-warm);
        }

        .faq-item .faq-head .faq-question {
            font-weight: 600;
            color: var(--color-text-main);
            font-size: 0.92rem;
            line-height: 1.5;
        }

        .faq-item .faq-head .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-bronze);
            font-weight: 700;
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-head .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

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

        .faq-item .faq-body .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.85rem;
            color: var(--color-text-body);
            line-height: 1.85;
            background-color: var(--color-bg-warm);
            border-top: 1px solid var(--color-border);
            margin-top: 0;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 20, 20, 0.93) 0%, rgba(30, 30, 30, 0.88) 100%);
            z-index: 1;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-section .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 14px;
        }

        .cta-section .cta-content p {
            font-size: 0.95rem;
            color: #CEC7BC;
            margin-bottom: 28px;
            line-height: 1.85;
        }

        .cta-section .cta-content .btn-primary {
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-ink);
            color: #D5CEC2;
            padding: 50px 0 30px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand .footer-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.7rem;
            font-weight: 700;
        }

        .site-footer .footer-brand p {
            font-size: 0.8rem;
            color: #A8A29A;
            line-height: 1.8;
            max-width: 260px;
        }

        .site-footer .footer-col h4 {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #fff;
            margin-bottom: 14px;
            font-weight: 600;
        }

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

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

        .site-footer .footer-col ul li a {
            font-size: 0.82rem;
            color: #B8B2A8;
            transition: color 0.25s ease;
            display: inline-block;
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: #A8A29A;
        }

        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer .footer-bottom .footer-links a {
            color: #A8A29A;
            transition: color 0.25s ease;
        }

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

        .site-footer .footer-bottom .beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.68rem;
            color: #8A8478;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-crowdfunding .hero-top-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-crowdfunding .hero-content {
                max-width: 700px;
                margin: 0 auto;
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .goal-progress-grid {
                grid-template-columns: 1fr;
            }
            .supporter-grid {
                grid-template-columns: 1fr 1fr;
            }
            .supporter-card.large {
                grid-column: span 2;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content.reverse {
                direction: ltr;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header .header-inner {
                padding: 0 16px;
                height: 60px;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 70px;
            }
            .hero-crowdfunding {
                min-height: 75vh;
                padding: 60px 0 80px;
            }
            .hero-crowdfunding h1 {
                font-size: 1.8rem;
            }
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .supporter-grid {
                grid-template-columns: 1fr;
            }
            .supporter-card.large {
                grid-column: span 1;
            }
            .section {
                padding: 48px 0;
            }
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px 0;
            }
            .news-item .news-date {
                justify-self: start;
            }
            .news-item .btn-read-more {
                justify-self: start;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-crowdfunding h1 {
                font-size: 1.5rem;
            }
            .hero-crowdfunding .hero-desc {
                font-size: 0.88rem;
            }
            .hero-crowdfunding .hero-stats {
                gap: 16px;
            }
            .hero-crowdfunding .hero-stat .stat-num {
                font-size: 1.1rem;
            }
            .tier-card {
                padding: 20px 16px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .progress-ring {
                width: 120px;
                height: 120px;
            }
            .progress-ring svg {
                width: 120px;
                height: 120px;
            }
            .progress-ring .ring-percent {
                font-size: 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--color-bronze);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-bronze-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background-color: var(--color-ink);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .brand-logo:hover {
            color: var(--color-bronze);
        }

        .brand-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .desktop-nav a {
            color: #D5CEC2;
            font-size: 0.92rem;
            padding: 8px 13px;
            border-radius: 6px;
            transition: color 0.25s ease, background-color 0.25s ease;
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .desktop-nav a.active {
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            background-color: var(--color-bronze);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, transform 0.2s ease !important;
            margin-left: 8px;
        }

        .nav-cta:hover {
            background-color: var(--color-bronze-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--color-ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: env(safe-area-inset-bottom, 0);
            height: 58px;
        }

        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 600px;
            margin: 0 auto;
            height: 58px;
        }

        .mobile-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: #A8A29A;
            font-size: 0.65rem;
            letter-spacing: 0.03em;
            min-height: 44px;
            transition: color 0.25s ease, background-color 0.25s ease;
            position: relative;
        }

        .mobile-bottom-tab a .tab-icon {
            font-size: 1.15rem;
            line-height: 1.2;
        }

        .mobile-bottom-tab a.active {
            color: var(--color-bronze);
        }

        .mobile-bottom-tab a.active::after {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background-color: var(--color-bronze);
            border-radius: 2px;
        }

        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-color: var(--color-ink);
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 22, 22, 0.55) 0%, rgba(22, 22, 22, 0.85) 100%);
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0;
        }

        .hero-ring-deco {
            position: absolute;
            z-index: 1;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            border: 2px solid rgba(192, 122, 63, 0.25);
            right: -100px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
        }

        .hero-ring-deco::before {
            content: '';
            position: absolute;
            inset: -40px;
            border-radius: 50%;
            border: 1px solid rgba(192, 122, 63, 0.15);
        }

        .hero-ring-deco::after {
            content: '';
            position: absolute;
            inset: 40px;
            border-radius: 50%;
            border: 1px dashed rgba(192, 122, 63, 0.2);
        }

        /* ===== Sections ===== */
        .section-block {
            padding: 80px 0;
        }

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

        .section-block.bg-ink {
            background-color: var(--color-ink);
            color: #D5CEC2;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.4;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .section-title .title-accent {
            color: var(--color-bronze);
        }

        .section-lead {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 40px;
            max-width: 700px;
        }

        .divider-line {
            width: 60px;
            height: 3px;
            background-color: var(--color-bronze);
            border-radius: 2px;
            margin-bottom: 24px;
        }

        /* ===== Cards ===== */
        .content-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            height: 100%;
        }

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

        .card-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-bronze);
            background: rgba(192, 122, 63, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--color-bronze);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.04em;
            transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
            min-height: 48px;
        }

        .btn-primary:hover {
            background-color: var(--color-bronze-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(192, 122, 63, 0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--color-text-main);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.04em;
            border: 2px solid var(--color-text-main);
            transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
            min-height: 48px;
        }

        .btn-secondary:hover {
            background-color: var(--color-text-main);
            color: #fff;
            border-color: var(--color-text-main);
            transform: translateY(-2px);
        }

        /* ===== List items ===== */
        .list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
            transition: padding 0.3s ease;
        }

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

        .list-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(192, 122, 63, 0.1);
            color: var(--color-bronze);
            font-weight: 700;
            font-size: 0.95rem;
            border: 1px solid rgba(192, 122, 63, 0.25);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-faq);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

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

        .faq-item.active {
            border-color: var(--color-bronze);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-main);
            text-align: left;
            min-height: 52px;
            gap: 16px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background-color: rgba(192, 122, 63, 0.1);
            color: var(--color-bronze);
            font-weight: 700;
            font-size: 1rem;
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-ink);
            color: #D5CEC2;
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 30px;
        }

        .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #A8A29A;
            line-height: 1.8;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: #A8A29A;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.8rem;
            color: #8A8580;
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom .footer-links a {
            color: #8A8580;
        }

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

        .footer-bottom .beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            color: #8A8580;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .desktop-nav a {
                font-size: 0.8rem;
                padding: 6px 8px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                display: none;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 80px;
            }
            .hero-category {
                min-height: 460px;
            }
            .hero-category .hero-content {
                padding: 60px 0;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .list-item {
                flex-direction: column;
                gap: 12px;
            }
            .hero-ring-deco {
                width: 200px;
                height: 200px;
                right: -50px;
                opacity: 0.5;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 0.85rem;
                min-height: 44px;
            }
            .content-card {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 18px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 80px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--color-bronze);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-bronze-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            background-color: var(--color-ink);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .brand-logo:hover {
            color: var(--color-bronze);
        }

        .brand-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .desktop-nav a {
            color: #D5CEC2;
            font-size: 0.92rem;
            padding: 8px 13px;
            border-radius: 6px;
            transition: color 0.25s ease, background-color 0.25s ease;
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .desktop-nav a.active {
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            background-color: var(--color-bronze);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, transform 0.2s ease !important;
            margin-left: 8px;
        }

        .nav-cta:hover {
            background-color: var(--color-bronze-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--color-ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: env(safe-area-inset-bottom, 0);
            height: 58px;
        }

        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 600px;
            margin: 0 auto;
            height: 58px;
        }

        .mobile-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: #A8A29A;
            font-size: 0.65rem;
            letter-spacing: 0.03em;
            min-height: 44px;
            transition: color 0.25s ease, background-color 0.25s ease;
            position: relative;
        }

        .mobile-bottom-tab a .tab-icon {
            font-size: 1.15rem;
            line-height: 1.2;
        }

        .mobile-bottom-tab a.active {
            color: var(--color-bronze);
        }

        .mobile-bottom-tab a.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background-color: var(--color-bronze);
            border-radius: 0 0 2px 2px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all 0.25s ease;
            padding: 12px 28px;
            font-size: 0.95rem;
            min-height: 44px;
            cursor: pointer;
        }

        .btn-primary {
            background-color: var(--color-bronze);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-bronze-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(184, 115, 51, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            border: 1px solid var(--color-ink);
            color: var(--color-ink);
        }
        .btn-secondary:hover {
            background-color: var(--color-ink);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-secondary-white {
            background-color: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-secondary-white:hover {
            background-color: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-bronze);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .badge-bronze {
            background-color: rgba(192, 122, 63, 0.12);
            color: var(--color-bronze);
            border: 1px solid rgba(192, 122, 63, 0.3);
        }

        .badge-green {
            background-color: rgba(47, 74, 62, 0.1);
            color: var(--color-olive);
            border: 1px solid rgba(47, 74, 62, 0.25);
        }

        .badge-ink {
            background-color: rgba(26, 26, 26, 0.06);
            color: var(--color-ink);
            border: 1px solid rgba(26, 26, 26, 0.15);
        }

        .timeline-dot {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            border: 3px solid var(--color-bronze);
            background-color: var(--color-bg);
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .timeline-line {
            width: 2px;
            flex: 1;
            background-color: var(--color-border-darker);
            position: relative;
        }

        .timeline-line::after {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 100%;
            background: linear-gradient(to bottom, var(--color-bronze), var(--color-border-darker));
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.4;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.02rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 720px;
        }

        .page-hero {
            background-color: var(--color-ink);
            color: #fff;
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 78% 25%, rgba(192, 122, 63, 0.18), transparent 45%),
                radial-gradient(circle at 15% 80%, rgba(47, 74, 62, 0.3), transparent 50%),
                linear-gradient(180deg, #161616 0%, #1A1A1A 100%);
            z-index: 0;
        }

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

        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.03em;
            color: #fff;
            margin-bottom: 16px;
            max-width: 700px;
        }

        .page-hero .hero-desc {
            font-size: 1.08rem;
            color: #D5CEC2;
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 28px;
        }

        .hero-rings {
            position: absolute;
            right: -80px;
            top: 50%;
            transform: translateY(-50%);
            width: 360px;
            height: 360px;
            border: 1px solid rgba(192, 122, 63, 0.25);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-rings::before {
            content: '';
            position: absolute;
            inset: 40px;
            border: 1px solid rgba(192, 122, 63, 0.18);
            border-radius: 50%;
        }

        .hero-rings::after {
            content: '28';
            position: absolute;
            inset: 80px;
            border: 1px dashed rgba(192, 122, 63, 0.3);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3.2rem;
            font-weight: 700;
            color: rgba(192, 122, 63, 0.5);
            letter-spacing: 0.1em;
        }

        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            max-width: 560px;
            margin-top: 16px;
        }

        .hero-status-bar .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #D5CEC2;
        }
        .hero-status-bar .status-item .dot-indicator {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-bronze);
            flex-shrink: 0;
        }
        .hero-status-bar .status-item .dot-indicator.green {
            background-color: #4A7C5F;
        }

        .icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .icon-matrix .matrix-cell {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            border: 1px solid rgba(192, 122, 63, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-bronze);
            background: rgba(192, 122, 63, 0.08);
            transition: background 0.3s ease, border-color 0.3s ease;
        }
        .icon-matrix .matrix-cell:hover {
            background: rgba(192, 122, 63, 0.2);
            border-color: var(--color-bronze);
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-faq);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
            background: var(--color-card);
        }
        .faq-item:hover {
            border-color: var(--color-border-darker);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-main);
            min-height: 48px;
            text-align: left;
            background: transparent;
            transition: background 0.25s ease;
        }
        .faq-question:hover {
            background: var(--color-bg-warm);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--color-bronze);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.open {
            border-color: var(--color-bronze);
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }
        .footer-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.7rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .desktop-nav a {
                padding: 8px 8px;
                font-size: 0.82rem;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .hero-rings {
                width: 260px;
                height: 260px;
                right: -60px;
            }
            .hero-rings::after {
                inset: 55px;
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 100px;
                font-size: 14px;
            }
            .page-hero {
                padding: 48px 0 48px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .hero-rings {
                width: 180px;
                height: 180px;
                right: -90px;
                opacity: 0.6;
            }
            .hero-rings::after {
                inset: 38px;
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .site-header .header-inner {
                height: 56px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .timeline-card {
                flex-direction: column;
                gap: 12px;
            }
            .timeline-card .timeline-date-col {
                width: 100%;
                text-align: left;
            }
            .timeline-line {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.35rem;
            }
            .hero-status-bar {
                flex-direction: column;
                gap: 8px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 16px;
            }
            .mobile-bottom-tab a {
                font-size: 0.6rem;
            }
            .mobile-bottom-tab a .tab-icon {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease, transform 0.2s ease;
        }

        a:hover {
            color: var(--color-bronze);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-bronze-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background-color: var(--color-ink);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .brand-logo:hover {
            color: var(--color-bronze);
        }

        .brand-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .desktop-nav a {
            color: #D5CEC2;
            font-size: 0.88rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: color 0.25s ease, background-color 0.25s ease;
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .desktop-nav a.active {
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            background-color: var(--color-bronze);
            color: #fff !important;
            padding: 8px 18px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, transform 0.2s ease !important;
            margin-left: 6px;
        }

        .nav-cta:hover {
            background-color: var(--color-bronze-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--color-ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: env(safe-area-inset-bottom, 0);
            height: 60px;
        }

        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 600px;
            margin: 0 auto;
            height: 60px;
        }

        .mobile-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            color: #A8A29A;
            font-size: 0.62rem;
            letter-spacing: 0.02em;
            min-height: 44px;
            transition: color 0.25s ease, background-color 0.25s ease;
            position: relative;
        }

        .mobile-bottom-tab a .tab-icon {
            font-size: 1.15rem;
            line-height: 1.2;
        }

        .mobile-bottom-tab a.active {
            color: var(--color-bronze);
        }
        .mobile-bottom-tab a.active::after {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background-color: var(--color-bronze);
            border-radius: 0 0 4px 4px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            min-height: 44px;
        }

        .btn-primary {
            background-color: var(--color-bronze);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--color-bronze-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(184, 115, 51, 0.35);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-main);
            border: 1px solid var(--color-text-main);
        }
        .btn-secondary:hover {
            background-color: var(--color-ink);
            color: #fff;
            border-color: var(--color-ink);
            transform: translateY(-1px);
        }

        .btn-light {
            background-color: #fff;
            color: var(--color-ink);
        }
        .btn-light:hover {
            background-color: var(--color-bg-warm);
            color: var(--color-ink);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background-color: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
            transform: translateY(-1px);
        }

        /* ===== Cards ===== */
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
            overflow: hidden;
        }

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

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            line-height: 1.4;
        }
        .badge-bronze {
            background-color: rgba(184, 115, 51, 0.1);
            color: var(--color-bronze);
            border: 1px solid rgba(184, 115, 51, 0.25);
        }
        .badge-olive {
            background-color: rgba(47, 74, 62, 0.1);
            color: var(--color-olive);
            border: 1px solid rgba(47, 74, 62, 0.25);
        }
        .badge-ink {
            background-color: rgba(26, 26, 26, 0.07);
            color: var(--color-text-main);
            border: 1px solid rgba(26, 26, 26, 0.15);
        }

        /* ===== Section spacing ===== */
        .section {
            padding: 72px 0;
        }
        .section-tight {
            padding: 48px 0;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.4;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            max-width: 680px;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head.center .section-subtitle {
            margin: 0 auto;
        }

        /* ===== Hero specific ===== */
        .hero-category {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--color-ink);
        }
        .hero-category .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }
        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.55) 50%, rgba(26, 26, 26, 0.8) 100%);
        }
        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }
        .hero-category h1 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            max-width: 720px;
        }
        .hero-category .hero-sub {
            color: #D5CEC2;
            font-size: 1.05rem;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-category .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: #A8A29A;
            font-size: 0.85rem;
        }
        .hero-category .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Ring decoration ===== */
        .ring-decoration {
            position: absolute;
            border: 2px solid rgba(184, 115, 51, 0.35);
            border-radius: 50%;
            pointer-events: none;
            z-index: 1;
        }
        .ring-decoration.ring-lg {
            width: 420px;
            height: 420px;
            top: -120px;
            right: -60px;
        }
        .ring-decoration.ring-md {
            width: 200px;
            height: 200px;
            bottom: -40px;
            left: -50px;
            border-color: rgba(184, 115, 51, 0.2);
        }

        /* ===== Data metrics ===== */
        .metric-block {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-card);
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .metric-block:hover {
            border-color: var(--color-bronze-soft);
            box-shadow: var(--shadow-card-hover);
        }
        .metric-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-bronze);
            line-height: 1.3;
            letter-spacing: 0.02em;
            font-family: var(--font-mono);
        }
        .metric-label {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* ===== List items ===== */
        .benefit-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color 0.25s ease;
            border-radius: 8px;
        }
        .benefit-list-item:last-child {
            border-bottom: none;
        }
        .benefit-list-item:hover {
            background-color: var(--color-bg-warm);
        }
        .benefit-list-item .item-index {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-bronze);
            font-weight: 700;
            font-size: 0.85rem;
            font-family: var(--font-mono);
        }
        .benefit-list-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .benefit-list-item p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ===== Image-text blocks ===== */
        .img-text-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .img-text-block.reverse {
            grid-template-columns: 1fr 1fr;
        }
        .img-text-block .media-frame {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            aspect-ratio: 4 / 3;
            background-color: var(--color-bg-warm);
        }
        .img-text-block .media-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .img-text-block .media-frame:hover img {
            transform: scale(1.03);
        }
        .img-text-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.45;
            margin-bottom: 14px;
        }
        .img-text-block p {
            font-size: 0.95rem;
            color: var(--color-text-body);
            line-height: 1.9;
            margin-bottom: 12px;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-faq);
            background-color: var(--color-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--color-border-darker);
        }
        .faq-item[open] {
            border-color: var(--color-bronze-soft);
            box-shadow: var(--shadow-card);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-main);
            min-height: 44px;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--color-bronze);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-body);
            line-height: 1.85;
        }

        /* ===== CTA section ===== */
        .cta-section {
            background-color: var(--color-ink);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section .cta-ring {
            position: absolute;
            border: 1px solid rgba(184, 115, 51, 0.3);
            border-radius: 50%;
        }
        .cta-section .cta-ring.a {
            width: 300px;
            height: 300px;
            top: -80px;
            right: -40px;
        }
        .cta-section .cta-ring.b {
            width: 160px;
            height: 160px;
            bottom: -30px;
            left: -20px;
            border-color: rgba(184, 115, 51, 0.15);
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: #B8B2A8;
            font-size: 0.95rem;
            max-width: 500px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-ink-2);
            color: #B8B2A8;
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .site-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .site-footer .footer-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .site-footer .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.8;
            color: #8A847B;
            max-width: 260px;
        }
        .site-footer h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #E8E2D8;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul a {
            font-size: 0.85rem;
            color: #8A847B;
            transition: color 0.25s ease;
        }
        .site-footer ul a:hover {
            color: var(--color-bronze);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0 24px;
            font-size: 0.78rem;
            color: #6B655C;
        }
        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }
        .site-footer .footer-bottom .footer-links a {
            color: #6B655C;
        }
        .site-footer .footer-bottom .footer-links a:hover {
            color: var(--color-bronze);
        }
        .site-footer .footer-bottom .beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom .beian span {
            color: #6B655C;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .desktop-nav a {
                font-size: 0.8rem;
                padding: 6px 9px;
            }
            .desktop-nav a.nav-cta {
                padding: 6px 14px !important;
            }
            .hero-category {
                min-height: 460px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .img-text-block {
                gap: 32px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                display: none;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 76px;
            }
            .hero-category {
                min-height: 380px;
            }
            .hero-category h1 {
                font-size: 1.65rem;
            }
            .hero-category .hero-sub {
                font-size: 0.92rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .img-text-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .img-text-block.reverse {
                grid-template-columns: 1fr;
            }
            .img-text-block.reverse .media-frame {
                order: 1;
            }
            .img-text-block.reverse .text-content {
                order: 2;
            }
            .metric-number {
                font-size: 1.7rem;
            }
            .cta-section h2 {
                font-size: 1.45rem;
            }
            .cta-section {
                padding: 56px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .hero-category {
                min-height: 340px;
            }
            .hero-category h1 {
                font-size: 1.4rem;
            }
            .hero-category .hero-sub {
                font-size: 0.85rem;
            }
            .btn {
                font-size: 0.85rem;
                padding: 10px 20px;
                min-height: 40px;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .benefit-list-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .benefit-list-item .item-index {
                width: 30px;
                height: 30px;
                font-size: 0.75rem;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.85rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--color-bronze);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-bronze-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== Header / Nav ===== */
        .site-header {
            background-color: var(--color-ink);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }
        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .brand-logo:hover {
            color: var(--color-bronze);
        }
        .brand-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .desktop-nav a {
            color: #D5CEC2;
            font-size: 0.92rem;
            padding: 8px 13px;
            border-radius: 6px;
            transition: color 0.25s ease, background-color 0.25s ease;
            white-space: nowrap;
        }
        .desktop-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }
        .desktop-nav a.active {
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.12);
            font-weight: 600;
        }
        .nav-cta {
            background-color: var(--color-bronze);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, transform 0.2s ease !important;
            margin-left: 8px;
        }
        .nav-cta:hover {
            background-color: var(--color-bronze-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }
        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--color-ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: env(safe-area-inset-bottom, 0);
            height: 58px;
        }
        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 600px;
            margin: 0 auto;
            height: 58px;
        }
        .mobile-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: #A8A29A;
            font-size: 0.65rem;
            letter-spacing: 0.03em;
            min-height: 44px;
            transition: color 0.25s ease, background-color 0.25s ease;
            position: relative;
        }
        .mobile-bottom-tab a .tab-icon {
            font-size: 1.15rem;
            line-height: 1.2;
        }
        .mobile-bottom-tab a.active {
            color: var(--color-bronze);
        }
        .mobile-bottom-tab a.active::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background-color: var(--color-bronze);
            border-radius: 1px;
        }
        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(rgba(26, 26, 26, 0.78), rgba(26, 26, 26, 0.85)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(192, 122, 63, 0.35);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(192, 122, 63, 0.2);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-eyebrow {
            display: inline-block;
            font-size: 0.82rem;
            letter-spacing: 0.18em;
            color: var(--color-bronze);
            background: rgba(192, 122, 63, 0.12);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
            border: 1px solid rgba(192, 122, 63, 0.3);
        }
        .hero-title {
            font-size: 3rem;
            line-height: 1.3;
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: #E5DED2;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all 0.25s ease;
            min-height: 48px;
        }
        .btn-primary {
            background-color: var(--color-bronze);
            color: #fff;
            border: 2px solid var(--color-bronze);
        }
        .btn-primary:hover {
            background-color: var(--color-bronze-hover);
            border-color: var(--color-bronze-hover);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-secondary:hover {
            background-color: #fff;
            color: var(--color-ink);
            border-color: #fff;
            transform: translateY(-2px);
        }
        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            letter-spacing: 0.16em;
            color: var(--color-bronze);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.4;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        /* ===== Cards Grid ===== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .rule-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .rule-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-bronze);
            transform: translateY(-4px);
        }
        .rule-card-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .rule-card-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, transparent 55%, rgba(26, 26, 26, 0.55));
        }
        .rule-card-image .image-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(26, 26, 26, 0.85);
            color: var(--color-bronze);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.06em;
            border: 1px solid rgba(192, 122, 63, 0.4);
        }
        .rule-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .rule-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .rule-card-text {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .rule-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
            font-size: 0.8rem;
            color: var(--color-bronze);
            font-weight: 600;
        }
        /* ===== Deep Content ===== */
        .deep-content-block {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 48px;
            margin-top: 32px;
        }
        .deep-content-block h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .deep-content-block p {
            margin-bottom: 16px;
            line-height: 2;
            color: var(--color-text-body);
            font-size: 0.95rem;
        }
        .deep-content-block p:last-child {
            margin-bottom: 0;
        }
        /* ===== Numbered Steps ===== */
        .steps-indicator {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin: 24px 0;
        }
        .step-chip {
            background: var(--color-bg-warm);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-body);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .step-chip .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-bronze);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .step-chip:hover {
            border-color: var(--color-bronze);
            color: var(--color-bronze);
        }
        /* ===== CTA ===== */
        .cta-section {
            background-image: linear-gradient(rgba(26, 26, 26, 0.85), rgba(26, 26, 26, 0.9)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -140px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            border: 1px solid rgba(192, 122, 63, 0.3);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .cta-desc {
            color: #D5CEC2;
            font-size: 1rem;
            margin-bottom: 32px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }
        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-ink);
            color: #D5CEC2;
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .footer-brand .footer-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: #A8A29A;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #A8A29A;
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--color-bronze);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.82rem;
            color: #A8A29A;
        }
        .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-links a {
            color: #A8A29A;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--color-bronze);
        }
        .beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #A8A29A;
        }
        @media (max-width: 1024px) {
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-bottom-tab {
                display: block;
            }
            body {
                padding-bottom: 70px;
            }
            .hero-section {
                min-height: 480px;
                padding: 48px 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .deep-content-block {
                padding: 24px;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
                min-height: 44px;
            }
            .deep-content-block {
                padding: 20px;
            }
            .beian {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category6 */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            color: var(--color-bronze);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-bronze-soft);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background-color: var(--color-ink);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

        .brand-logo:hover {
            color: var(--color-bronze);
        }

        .brand-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.85rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .desktop-nav a {
            color: #D5CEC2;
            font-size: 0.92rem;
            padding: 8px 13px;
            border-radius: 6px;
            transition: color 0.25s ease, background-color 0.25s ease;
            white-space: nowrap;
        }

        .desktop-nav a:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.08);
        }

        .desktop-nav a.active {
            color: var(--color-bronze);
            background-color: rgba(192, 122, 63, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            background-color: var(--color-bronze);
            color: #fff !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-btn);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: background-color 0.25s ease, transform 0.2s ease !important;
            margin-left: 8px;
        }

        .nav-cta:hover {
            background-color: var(--color-bronze-hover) !important;
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: var(--color-ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: env(safe-area-inset-bottom, 0);
            height: 58px;
        }

        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            max-width: 600px;
            margin: 0 auto;
            height: 58px;
        }

        .mobile-bottom-tab a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            color: #A8A29A;
            font-size: 0.65rem;
            letter-spacing: 0.03em;
            min-height: 44px;
            transition: color 0.25s ease, background-color 0.25s ease;
            position: relative;
        }

        .mobile-bottom-tab a .tab-icon {
            font-size: 1.15rem;
            line-height: 1.2;
        }

        .mobile-bottom-tab a.active {
            color: var(--color-bronze);
        }

        .mobile-bottom-tab a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 3px 3px 0 0;
            background-color: var(--color-bronze);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 70vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(22, 22, 22, 0.92) 0%, rgba(22, 22, 22, 0.75) 45%, rgba(22, 22, 22, 0.55) 100%);
            z-index: 1;
        }

        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
        }

        .hero-ring-decor {
            position: absolute;
            right: -60px;
            top: 50%;
            transform: translateY(-50%);
            width: 340px;
            height: 340px;
            border: 2px dashed rgba(184, 115, 51, 0.3);
            border-radius: 50%;
            z-index: 1;
            pointer-events: none;
        }

        .hero-ring-decor::after {
            content: '';
            position: absolute;
            inset: 50px;
            border: 2px solid rgba(184, 115, 51, 0.2);
            border-radius: 50%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: rgba(184, 115, 51, 0.15);
            border: 1px solid rgba(184, 115, 51, 0.4);
            color: #E8B88A;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            max-width: 700px;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all 0.25s ease;
            min-height: 44px;
            cursor: pointer;
        }

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

        .btn-primary:hover {
            background-color: var(--color-bronze-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(184, 115, 51, 0.35);
        }

        .btn-secondary {
            background-color: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

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

        .btn-outline-dark {
            background-color: transparent;
            color: var(--color-ink);
            border: 1px solid var(--color-ink);
        }

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

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--color-bronze);
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-main);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.85;
            max-width: 680px;
        }

        /* ===== Pricing Cards ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 48px;
        }

        .pricing-card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-bronze);
        }

        .pricing-card.featured {
            border-color: var(--color-bronze);
            box-shadow: 0 4px 24px rgba(184, 115, 51, 0.18);
        }

        .pricing-card .featured-badge {
            position: absolute;
            top: -12px;
            left: 24px;
            background-color: var(--color-bronze);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 4px;
            letter-spacing: 0.05em;
        }

        .pricing-card .tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 4px;
        }

        .pricing-card .tier-badge {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-olive);
            background-color: rgba(47, 74, 62, 0.08);
            padding: 2px 10px;
            border-radius: 4px;
            margin-bottom: 16px;
            font-weight: 500;
        }

        .pricing-card .price {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.2;
            margin-bottom: 4px;
            font-family: var(--font-mono);
        }

        .pricing-card .price-note {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .pricing-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .pricing-card .tier-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-text-body);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px dashed var(--color-border);
        }

        .pricing-card .tier-features li:last-child {
            border-bottom: none;
        }

        .pricing-card .tier-features li::before {
            content: '○';
            color: var(--color-bronze);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 0.8rem;
            line-height: 1.8;
        }

        /* ===== Comparison Table ===== */
        .comparison-table-wrap {
            overflow-x: auto;
            margin-top: 48px;
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            background-color: var(--color-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 680px;
        }

        .comparison-table th {
            background-color: var(--color-ink);
            color: #fff;
            padding: 16px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            text-align: left;
            white-space: nowrap;
        }

        .comparison-table th:first-child {
            border-radius: 12px 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 12px 0 0;
        }

        .comparison-table td {
            padding: 14px 20px;
            font-size: 0.9rem;
            color: var(--color-text-body);
            border-bottom: 1px solid var(--color-border);
            text-align: left;
        }

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

        .comparison-table tr:hover td {
            background-color: rgba(184, 115, 51, 0.04);
        }

        .comparison-table .col-label {
            font-weight: 600;
            color: var(--color-text-main);
            white-space: nowrap;
        }

        .check-mark {
            color: var(--color-olive);
            font-weight: 700;
        }

        .dash-mark {
            color: var(--color-text-muted);
        }

        /* ===== Deep Content ===== */
        .deep-content {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 40px 40px;
            border: 1px solid var(--color-border);
        }

        .deep-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text-main);
            margin-bottom: 18px;
            line-height: 1.4;
        }

        .deep-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-main);
            margin: 24px 0 12px;
            line-height: 1.4;
        }

        .deep-content p {
            margin-bottom: 18px;
            color: var(--color-text-body);
            line-height: 1.9;
            font-size: 0.98rem;
        }

        .deep-content ul,
        .deep-content ol {
            margin: 0 0 20px 20px;
            padding: 0;
        }

        .deep-content li {
            margin-bottom: 10px;
            line-height: 1.85;
            color: var(--color-text-body);
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 48px;
        }

        .step-item {
            text-align: center;
            padding: 24px 16px;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 14px;
            font-family: var(--font-mono);
        }

        .step-name {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-main);
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-faq);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text-main);
            min-height: 44px;
            text-align: left;
            background: none;
            transition: color 0.25s ease;
        }

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

        .faq-icon {
            flex-shrink: 0;
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--color-bronze);
            transition: transform 0.3s ease;
            margin-left: 12px;
        }

        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--color-text-body);
            line-height: 1.85;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background-color: var(--color-ink);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .cta-section .cta-ring {
            position: absolute;
            right: -80px;
            top: 50%;
            transform: translateY(-50%);
            width: 280px;
            height: 280px;
            border: 2px dashed rgba(184, 115, 51, 0.25);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 500px;
            line-height: 1.8;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-ink-2);
            color: #A8A29A;
            padding: 56px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .site-footer .footer-logo .logo-ring {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--color-bronze);
            color: var(--color-bronze);
            font-size: 0.75rem;
            font-weight: 700;
        }

        .site-footer .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            max-width: 280px;
        }

        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

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

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

        .site-footer ul a {
            font-size: 0.88rem;
            color: #A8A29A;
            transition: color 0.25s ease;
        }

        .site-footer ul a:hover {
            color: var(--color-bronze);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
        }

        .site-footer .footer-links {
            display: flex;
            gap: 16px;
        }

        .site-footer .footer-links a {
            color: #A8A29A;
        }

        .site-footer .footer-links a:hover {
            color: var(--color-bronze);
        }

        .site-footer .beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #777;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .hero-title {
                font-size: 2.6rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }

            .mobile-bottom-tab {
                display: block;
            }

            body {
                padding-bottom: 70px;
                font-size: 14px;
            }

            .hero-section {
                min-height: auto;
                padding: 60px 0;
            }

            .hero-title {
                font-size: 2rem;
                line-height: 1.4;
            }

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

            .hero-ring-decor {
                display: none;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .deep-content {
                padding: 24px 20px;
            }

            .comparison-table-wrap {
                margin-top: 32px;
            }

            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }

            .faq-answer {
                font-size: 0.85rem;
                padding: 0 16px 16px;
            }

            .cta-title {
                font-size: 1.6rem;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-section .cta-ring {
                display: none;
            }

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

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

            .btn {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }

            .hero-section .btn {
                width: auto;
                min-width: 140px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .hero-badge {
                font-size: 0.75rem;
            }

            .container,
            .container-narrow {
                padding: 0 16px;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .pricing-card .price {
                font-size: 1.8rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-ink: #1A1A1A;
            --color-ink-2: #161616;
            --color-bronze: #B87333;
            --color-bronze-hover: #9A5F2E;
            --color-bronze-soft: rgba(192, 122, 63, 0.5);
            --color-bg: #F7F3ED;
            --color-bg-warm: #F5F1EA;
            --color-card: #FFFFFF;
            --color-border: #E8E2D8;
            --color-border-darker: #D8D0C4;
            --color-text-main: #1A1A1A;
            --color-text-body: #3A3A3A;
            --color-text-muted: #6B6B6B;
            --color-olive: #2F4A3E;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-faq: 10px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.08);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-mono: "SF Mono", "JetBrains Mono", "Consolas", monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text-body);
            line-height: 1.8;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: 70px;
        }
        a { color: inherit; text-decoration: none; transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease; }
        a:hover { color: var(--color-bronze); }
        a:focus-visible, button:focus-visible { outline: 2px solid var(--color-bronze-soft); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; display: block; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 900px; margin: 0 auto; padding: 0 24px; }
        .section-pad { padding: 56px 0; }
        .section-pad-lg { padding: 72px 0; }
        .section-tight { padding: 32px 0; }

        /* Header */
        .site-header { background-color: var(--color-ink); position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(255,255,255,0.08); box-shadow: 0 2px 12px rgba(0,0,0,0.12); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 68px; max-width: 1200px; margin: 0 auto; }
        .brand-logo { font-size: 1.6rem; font-weight: 700; color: #fff; letter-spacing: 0.06em; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
        .brand-logo:hover { color: var(--color-bronze); }
        .brand-logo .logo-ring { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--color-bronze); color: var(--color-bronze); font-size: 0.85rem; font-weight: 700; flex-shrink: 0; }
        .desktop-nav { display: flex; align-items: center; gap: 2px; }
        .desktop-nav a { color: #D5CEC2; font-size: 0.9rem; padding: 8px 11px; border-radius: 6px; white-space: nowrap; }
        .desktop-nav a:hover { color: #fff; background-color: rgba(255,255,255,0.08); }
        .desktop-nav a.active { color: var(--color-bronze); background-color: rgba(192,122,63,0.12); font-weight: 600; }
        .nav-cta { background-color: var(--color-bronze); color: #fff !important; padding: 8px 18px !important; border-radius: var(--radius-btn); font-weight: 600; letter-spacing: 0.03em; margin-left: 6px; }
        .nav-cta:hover { background-color: var(--color-bronze-hover) !important; color: #fff !important; transform: translateY(-1px); }

        /* Mobile Bottom Tab */
        .mobile-bottom-tab { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60; background-color: var(--color-ink-2); border-top: 1px solid rgba(255,255,255,0.1); padding-bottom: env(safe-area-inset-bottom, 0); height: 58px; }
        .mobile-bottom-tab .tab-inner { display: flex; align-items: stretch; justify-content: space-around; max-width: 600px; margin: 0 auto; height: 58px; }
        .mobile-bottom-tab a { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: #A8A29A; font-size: 0.65rem; letter-spacing: 0.03em; min-height: 44px; position: relative; }
        .mobile-bottom-tab a .tab-icon { font-size: 1.15rem; line-height: 1.2; }
        .mobile-bottom-tab a.active { color: var(--color-bronze); }
        .mobile-bottom-tab a.active::after { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--color-bronze); border-radius: 0 0 3px 3px; }

        /* Hero */
        .hero-live { position: relative; min-height: 82vh; display: flex; align-items: center; overflow: hidden; background-color: var(--color-ink); }
        .hero-live .hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; background-image: url('/assets/images/backpic/back-2.webp'); opacity: 0.5; }
        .hero-live .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(20,20,20,0.88) 0%, rgba(10,10,10,0.65) 60%, rgba(20,20,20,0.85) 100%); }
        .hero-live .ring-decor { position: absolute; width: 360px; height: 360px; border-radius: 50%; border: 1px solid rgba(192,122,63,0.3); top: 10%; right: -120px; pointer-events: none; }
        .hero-live .ring-decor-2 { position: absolute; width: 220px; height: 220px; border-radius: 50%; border: 1px dashed rgba(192,122,63,0.25); bottom: 15%; left: -60px; pointer-events: none; }
        .hero-live .ring-decor-3 { position: absolute; width: 100px; height: 100px; border-radius: 50%; border: 2px solid rgba(192,122,63,0.4); top: 18%; left: 8%; pointer-events: none; animation: pulse-ring 3s ease-in-out infinite; }
        @keyframes pulse-ring { 0%,100% { transform: scale(1); opacity: 0.7; } 50% { transform: scale(1.15); opacity: 0.3; } }
        .hero-live .hero-content { position: relative; z-index: 4; width: 100%; padding: 80px 0; }
        .live-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(192,122,63,0.16); border: 1px solid rgba(192,122,63,0.5); color: #E8A87C; font-size: 0.8rem; padding: 6px 16px; border-radius: 20px; font-weight: 600; letter-spacing: 0.04em; }
        .live-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #e0453a; animation: blink-dot 1.4s ease-in-out infinite; }
        @keyframes blink-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }
        .countdown-grid { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 28px; }
        .countdown-box { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: 10px; min-width: 64px; padding: 12px 10px; text-align: center; }
        .countdown-box .num { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; color: #fff; line-height: 1.2; }
        .countdown-box .unit { font-size: 0.72rem; color: #B8B0A6; letter-spacing: 0.06em; }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 26px; border-radius: var(--radius-btn); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.04em; transition: all 0.25s ease; min-height: 44px; }
        .btn-primary { background-color: var(--color-bronze); color: #fff; }
        .btn-primary:hover { background-color: var(--color-bronze-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(155,95,46,0.35); }
        .btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.4); }
        .btn-outline-light:hover { background: #fff; color: var(--color-ink); border-color: #fff; transform: translateY(-2px); }
        .btn-outline-dark { background: transparent; color: var(--color-ink); border: 1px solid var(--color-ink); }
        .btn-outline-dark:hover { background: var(--color-ink); color: #fff; transform: translateY(-2px); }
        .btn-sm { padding: 9px 18px; font-size: 0.85rem; }

        /* Cards */
        .story-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); overflow: hidden; transition: all 0.3s ease; }
        .story-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-4px); border-color: rgba(192,122,63,0.4); }
        .story-card .story-body { padding: 22px 24px; }
        .story-card img { width: 100%; height: 210px; object-fit: cover; }
        .tag { display: inline-block; font-size: 0.72rem; padding: 4px 12px; border-radius: 20px; font-weight: 600; letter-spacing: 0.05em; }
        .tag-bronze { background: rgba(192,122,63,0.12); color: var(--color-bronze); border: 1px solid rgba(192,122,63,0.3); }
        .tag-olive { background: rgba(47,74,62,0.1); color: var(--color-olive); border: 1px solid rgba(47,74,62,0.25); }
        .tag-gray { background: rgba(0,0,0,0.05); color: var(--color-text-muted); border: 1px solid var(--color-border); }

        /* Data stats */
        .stat-block { background: var(--color-ink); border-radius: var(--radius-card); padding: 32px 28px; color: #fff; }
        .stat-block .stat-num { font-size: 2.8rem; font-weight: 700; font-family: var(--font-mono); color: var(--color-bronze); line-height: 1.2; }
        .stat-block .stat-label { font-size: 0.9rem; color: #B8B0A6; margin-top: 4px; }

        /* List items */
        .story-list-item { display: flex; gap: 18px; padding: 20px; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: all 0.25s ease; align-items: center; }
        .story-list-item:hover { box-shadow: var(--shadow-card-hover); border-color: rgba(192,122,63,0.35); }
        .story-list-item img { width: 72px; height: 72px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
        .story-list-item .story-info { flex: 1; min-width: 0; }
        .story-list-item h3 { font-size: 1.05rem; font-weight: 700; color: var(--color-text-main); margin-bottom: 4px; line-height: 1.5; }
        .story-list-item p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        /* FAQ */
        .faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-faq); background: var(--color-card); overflow: hidden; transition: border-color 0.25s ease; }
        .faq-item + .faq-item { margin-top: 12px; }
        .faq-item.open { border-color: rgba(192,122,63,0.4); }
        .faq-head { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 16px 22px; font-weight: 700; font-size: 0.95rem; color: var(--color-text-main); text-align: left; min-height: 44px; gap: 12px; }
        .faq-head .faq-icon { flex-shrink: 0; font-size: 1.3rem; font-weight: 400; color: var(--color-bronze); transition: transform 0.3s ease; }
        .faq-item.open .faq-icon { transform: rotate(45deg); }
        .faq-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
        .faq-item.open .faq-body { max-height: 300px; }
        .faq-body p { padding: 0 22px 18px; font-size: 0.9rem; color: var(--color-text-body); line-height: 1.8; }

        /* CTA */
        .cta-zone { background: linear-gradient(150deg, #1A1A1A 0%, #2A241E 55%, #1A1A1A 100%); border-radius: 16px; padding: 48px 36px; position: relative; overflow: hidden; color: #fff; }
        .cta-zone .ring { position: absolute; width: 280px; height: 280px; border-radius: 50%; border: 1px solid rgba(192,122,63,0.2); bottom: -100px; right: -40px; pointer-events: none; }
        .cta-zone .ring2 { position: absolute; width: 160px; height: 160px; border-radius: 50%; border: 1px dashed rgba(192,122,63,0.3); top: -40px; left: 4%; pointer-events: none; }

        /* Form */
        .form-input { width: 100%; height: 46px; border-radius: var(--radius-input); border: 1px solid var(--color-border-darker); padding: 0 16px; font-size: 0.95rem; background: #fff; transition: border-color 0.25s ease, box-shadow 0.25s ease; }
        .form-input:focus { border-color: var(--color-bronze); box-shadow: 0 0 0 2px rgba(192,122,63,0.15); outline: none; }
        .form-input::placeholder { color: #A8A29A; }

        /* Footer */
        .site-footer { background-color: var(--color-ink); color: #D5CEC2; padding-top: 48px; margin-top: 32px; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; padding-bottom: 32px; }
        .site-footer .footer-logo { font-size: 1.4rem; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; }
        .site-footer .footer-brand p { font-size: 0.85rem; color: #A8A29A; margin-top: 12px; line-height: 1.7; max-width: 260px; }
        .site-footer h4 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.04em; }
        .site-footer ul { list-style: none; padding: 0; margin: 0; }
        .site-footer ul li { margin-bottom: 8px; }
        .site-footer ul a { font-size: 0.85rem; color: #B8B0A6; }
        .site-footer ul a:hover { color: var(--color-bronze); }
        .site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: 0.8rem; color: #8A837B; }
        .site-footer .footer-links { display: flex; gap: 16px; }
        .site-footer .footer-links a { color: #A8A29A; font-size: 0.8rem; }
        .site-footer .footer-links a:hover { color: var(--color-bronze); }
        .site-footer .beian { display: flex; flex-direction: column; gap: 2px; font-size: 0.75rem; color: #7A746D; }

        /* Responsive */
        @media (max-width: 1024px) {
            .desktop-nav a { padding: 8px 8px; font-size: 0.82rem; }
            .desktop-nav a.active { background: none; }
            .site-footer .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
        }
        @media (max-width: 768px) {
            body { padding-bottom: 74px; }
            .desktop-nav { display: none !important; }
            .mobile-bottom-tab { display: block; }
            .header-inner { height: 60px; padding: 0 16px; }
            .brand-logo { font-size: 1.35rem; }
            .brand-logo .logo-ring { width: 28px; height: 28px; font-size: 0.75rem; }
            .hero-live { min-height: 78vh; }
            .hero-live .hero-content { padding: 48px 0; }
            h1 { font-size: 2rem !important; line-height: 1.35; }
            .section-pad { padding: 40px 0; }
            .section-pad-lg { padding: 52px 0; }
            .countdown-box { min-width: 52px; padding: 8px 6px; }
            .countdown-box .num { font-size: 1.4rem; }
            .stat-block { padding: 24px 20px; }
            .stat-block .stat-num { font-size: 2rem; }
            .story-list-item { flex-direction: column; align-items: flex-start; }
            .story-list-item img { width: 100%; height: auto; max-height: 160px; }
            .cta-zone { padding: 32px 20px; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .container-narrow { padding: 0 16px; }
            h1 { font-size: 1.7rem !important; }
            .btn { font-size: 0.85rem; padding: 11px 18px; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .site-footer .footer-bottom { flex-direction: column; align-items: flex-start; }
            .mobile-bottom-tab a { font-size: 0.58rem; }
            .mobile-bottom-tab a .tab-icon { font-size: 1rem; }
        }