/* roulang page: index */
:root {
            --bg-dark: #0B0E14;
            --bg-card-dark: #151B26;
            --bg-deep: #10151F;
            --bg-light: #F6F4EF;
            --bg-white: #FFFFFF;
            --gold: #E8A33D;
            --gold-light: #F0B35A;
            --gold-bg: #F7E8CE;
            --gold-dark: #C9871E;
            --text-dark: #1A140E;
            --text-light: #E8E3DA;
            --text-muted: #7A8BA3;
            --text-body: #3A3F4B;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-light: #E8E3DA;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-small: 8px;
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-light: 0 8px 24px rgba(0, 0, 0, 0.06);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --container-max: 1200px;
            --spacer: 90px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-dark);
            padding-bottom: 80px;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            padding: 14px 30px;
            border-radius: var(--radius-btn);
            transition: all 0.25s ease;
            cursor: pointer;
            min-height: 44px;
            letter-spacing: 0.02em;
            border: 1px solid transparent;
        }

        .btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--gold);
            color: var(--text-dark);
            border-color: var(--gold);
        }

        .btn-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 163, 61, 0.35);
        }

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

        .btn-ghost {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(232, 227, 218, 0.5);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--text-light);
        }

        .btn-ghost:active {
            transform: translateY(1px);
        }

        .btn-mobile {
            width: 100%;
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            line-height: 1;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: 0.03em;
            background: var(--gold-bg);
            color: #8A6A2F;
            border: 1px solid rgba(232, 163, 61, 0.3);
            white-space: nowrap;
        }

        .badge-dark {
            background: rgba(232, 163, 61, 0.15);
            color: var(--gold-light);
            border-color: rgba(232, 163, 61, 0.4);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-muted);
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 14px 0;
            background: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(21, 27, 38, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-card);
            padding: 8px 10px 8px 20px;
            gap: 12px;
            flex-wrap: nowrap;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
            border-radius: 10px;
            color: var(--text-dark);
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-text {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: all 0.25s ease;
            border: 1px solid transparent;
            min-height: 40px;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--gold-light);
            background: rgba(232, 163, 61, 0.1);
            border-color: rgba(232, 163, 61, 0.2);
        }

        .nav-cta {
            padding: 10px 22px;
            font-size: 14px;
            min-height: 40px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(rgba(11, 14, 20, 0.65), rgba(11, 14, 20, 0.78)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 140px 0 100px;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(232, 163, 61, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(122, 139, 163, 0.08) 0%, transparent 40%);
            pointer-events: none;
        }

        .hero-stars {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            pointer-events: none;
            opacity: 0.4;
        }

        .hero-stars::before,
        .hero-stars::after {
            content: "";
            position: absolute;
            width: 2px;
            height: 2px;
            border-radius: 50%;
            background: var(--gold-light);
            box-shadow: 0 0 8px rgba(232, 163, 61, 0.6);
        }

        .hero-stars::before {
            top: 25%;
            left: 15%;
            animation: twinkle 3s infinite alternate;
        }

        .hero-stars::after {
            top: 60%;
            left: 75%;
            animation: twinkle 4s 1s infinite alternate;
        }

        .hero-stars span {
            position: absolute;
            width: 2px;
            height: 2px;
            border-radius: 50%;
            background: var(--text-light);
            animation: twinkle 5s infinite alternate;
        }

        .hero-stars span:nth-child(1) { top: 15%; left: 35%; animation-delay: 0.2s; }
        .hero-stars span:nth-child(2) { top: 40%; left: 10%; animation-delay: 1s; }
        .hero-stars span:nth-child(3) { top: 75%; left: 55%; animation-delay: 2s; }
        .hero-stars span:nth-child(4) { top: 30%; left: 85%; animation-delay: 0.5s; }
        .hero-stars span:nth-child(5) { top: 65%; left: 30%; animation-delay: 1.5s; }
        .hero-stars span:nth-child(6) { top: 10%; left: 60%; animation-delay: 3s; }

        @keyframes twinkle {
            0% { opacity: 0.3; transform: scale(0.8); }
            100% { opacity: 1; transform: scale(1.3); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 860px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-light);
            background: rgba(232, 163, 61, 0.12);
            border: 1px solid rgba(232, 163, 61, 0.3);
            padding: 8px 20px;
            border-radius: 999px;
            margin-bottom: 28px;
            letter-spacing: 0.05em;
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-light);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero-title .gold {
            color: var(--gold-light);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(232, 227, 218, 0.8);
            max-width: 640px;
            margin: 0 auto 40px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-metrics {
            display: flex;
            justify-content: center;
            gap: 44px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .hero-metric {
            text-align: center;
        }

        .hero-metric .num {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--text-light);
        }

        .hero-metric .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

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

        .section-light {
            background: var(--bg-light);
            color: var(--text-body);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }

        .section-deep {
            background: var(--bg-deep);
            color: var(--text-light);
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 12px;
            background: rgba(232, 163, 61, 0.1);
            padding: 6px 16px;
            border-radius: 999px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-head.light h2 {
            color: var(--text-light);
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ Features / 卖点 ============ */
        .features-section {
            background: var(--bg-light);
            position: relative;
        }

        .features-section::before {
            content: "✦ ✦ ✦";
            display: block;
            text-align: center;
            font-size: 14px;
            color: var(--gold);
            letter-spacing: 24px;
            padding-top: 40px;
            opacity: 0.5;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-card);
            padding: 40px 32px 36px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), var(--gold-light));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(232, 163, 61, 0.5);
            box-shadow: var(--shadow-dark);
        }

        .feature-card:hover::after {
            opacity: 1;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(232, 163, 61, 0.2), rgba(232, 163, 61, 0.05));
            border: 1px solid rgba(232, 163, 61, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--gold-light);
            margin-bottom: 24px;
        }

        .feature-card h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(232, 227, 218, 0.7);
        }

        /* ============ Showcase / 场景演示 ============ */
        .showcase-section {
            background: var(--bg-dark);
            color: var(--text-light);
            position: relative;
            overflow: hidden;
        }

        .showcase-section::before {
            content: "";
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 163, 61, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .showcase-visual {
            position: relative;
        }

        .device-frame {
            background: #1A212E;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            position: relative;
        }

        .device-frame::before {
            content: "";
            display: block;
            width: 60px;
            height: 4px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.15);
            margin: 0 auto 14px;
        }

        .device-screen {
            background: var(--bg-card-dark);
            border-radius: 16px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            position: relative;
        }

        .device-screen img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
        }

        .device-screen::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 14, 20, 0.4), transparent 40%);
        }

        .showcase-content h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .showcase-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .showcase-features {
            display: grid;
            gap: 16px;
        }

        .showcase-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 16px 18px;
            transition: border-color 0.25s ease, background 0.25s ease;
        }

        .showcase-feature-item:hover {
            border-color: rgba(232, 163, 61, 0.3);
            background: rgba(232, 163, 61, 0.05);
        }

        .showcase-feature-item .icon {
            font-size: 22px;
            color: var(--gold-light);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .showcase-feature-item .text {
            font-size: 14px;
            color: rgba(232, 227, 218, 0.8);
            line-height: 1.6;
        }

        .showcase-feature-item .text strong {
            display: block;
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 4px;
        }

        /* ============ Testimonials / 社会认同 ============ */
        .testimonials-section {
            background: var(--bg-light);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: all 0.3s ease;
        }

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

        .testimonial-stars {
            color: var(--gold);
            font-size: 15px;
            letter-spacing: 3px;
            margin-bottom: 16px;
        }

        .testimonial-text {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .metrics-row {
            display: flex;
            justify-content: center;
            gap: 56px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .metrics-item {
            text-align: center;
        }

        .metrics-item .num {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.2;
        }

        .metrics-item .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ============ News / CMS ============ */
        .news-section {
            background: var(--bg-dark);
            color: var(--text-light);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

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

        .news-card-large:hover {
            border-color: rgba(232, 163, 61, 0.4);
            box-shadow: var(--shadow-dark);
        }

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

        .news-card-large .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card-large:hover .card-img img {
            transform: scale(1.03);
        }

        .news-card-large .card-body {
            padding: 28px;
        }

        .news-card-large h3 {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            margin: 12px 0 10px;
            line-height: 1.4;
        }

        .news-card-large h3 a {
            color: var(--text-light);
        }

        .news-card-large h3 a:hover {
            color: var(--gold-light);
        }

        .news-card-large .card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-meta .read-more {
            color: var(--gold-light);
            font-weight: 500;
            font-size: 13px;
            transition: gap 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-meta .read-more:hover {
            gap: 8px;
        }

        .news-side-col {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card-small {
            background: var(--bg-card-dark);
            border: 1px solid var(--border-dark);
            border-radius: 14px;
            padding: 20px 24px;
            transition: border-color 0.3s ease, transform 0.25s ease;
        }

        .news-card-small:hover {
            border-color: rgba(232, 163, 61, 0.4);
            transform: translateX(4px);
        }

        .news-card-small h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            margin-top: 8px;
            margin-bottom: 8px;
        }

        .news-card-small h4 a {
            color: var(--text-light);
        }

        .news-card-small h4 a:hover {
            color: var(--gold-light);
        }

        .news-card-small .news-meta {
            margin-top: 6px;
        }

        .empty-state {
            background: var(--bg-card-dark);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 60px 40px;
            text-align: center;
        }

        .empty-state .icon {
            font-size: 32px;
            color: var(--gold-light);
            opacity: 0.6;
            margin-bottom: 12px;
            display: block;
        }

        .empty-state p {
            color: var(--text-muted);
            font-size: 15px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg-light);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: 14px;
            overflow: hidden;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(232, 163, 61, 0.4);
            box-shadow: var(--shadow-light);
        }

        .faq-item.active {
            border-color: rgba(232, 163, 61, 0.5);
            box-shadow: var(--shadow-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            transition: background 0.25s ease;
        }

        .faq-question:hover {
            background: rgba(232, 163, 61, 0.04);
        }

        .faq-question .q-icon {
            color: var(--gold);
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 16px;
            background: var(--gold-bg);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-question .toggle-icon {
            margin-left: auto;
            font-size: 18px;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 22px 72px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-body);
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

        /* ============ CTA ============ */
        .cta-section {
            position: relative;
            padding: 110px 0;
            background: linear-gradient(rgba(11, 14, 20, 0.75), rgba(11, 14, 20, 0.85)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "✦";
            position: absolute;
            top: 20%;
            left: 12%;
            font-size: 20px;
            color: var(--gold);
            opacity: 0.5;
            animation: twinkle 3s infinite alternate;
        }

        .cta-section::after {
            content: "✦";
            position: absolute;
            bottom: 25%;
            right: 15%;
            font-size: 16px;
            color: var(--gold);
            opacity: 0.4;
            animation: twinkle 4s 1s infinite alternate;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-content h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(232, 227, 218, 0.75);
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #080A0F;
            color: var(--text-muted);
            padding-top: 60px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .footer-top {
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 44px;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }

        .footer-col a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 20px 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom .copyright {
            color: var(--text-muted);
        }

        .footer-bottom .domain {
            color: rgba(232, 163, 61, 0.7);
            font-weight: 500;
        }

        /* ============ Bottom Fixed Bar ============ */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 20px;
            transform: translateY(0);
            transition: transform 0.3s ease;
        }

        .bottom-bar.hidden {
            transform: translateY(100%);
        }

        .bottom-bar-text {
            font-family: var(--font-serif);
            font-size: 15px;
            color: var(--text-light);
            white-space: nowrap;
        }

        .bottom-bar .btn {
            padding: 10px 22px;
            font-size: 14px;
            min-height: 40px;
            flex-shrink: 0;
        }

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            :root {
                --spacer: 72px;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .feature-card {
                padding: 32px 24px;
            }

            .showcase-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .showcase-visual {
                max-width: 560px;
                margin: 0 auto;
            }

            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .news-layout {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-bottom: 70px;
            }

            .site-header {
                padding: 10px 0;
            }

            .nav-panel {
                padding: 8px 12px 8px 16px;
                flex-wrap: wrap;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 8px;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                justify-content: flex-start;
                padding: 14px 18px;
                font-size: 15px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .hero {
                min-height: 90vh;
                padding: 120px 0 80px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
                width: 100%;
                max-width: 280px;
                margin: 0 auto;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-metrics {
                gap: 24px;
                margin-top: 40px;
            }

            .hero-metric .num {
                font-size: 24px;
            }

            .section-head h2 {
                font-size: 27px;
            }

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

            .feature-card {
                padding: 28px 22px;
            }

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

            .metrics-row {
                gap: 32px;
                margin-top: 40px;
            }

            .metrics-item .num {
                font-size: 32px;
            }

            .faq-question {
                padding: 18px 18px;
                font-size: 15px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 18px 56px;
            }

            .cta-section {
                padding: 80px 0;
            }

            .cta-content h2 {
                font-size: 29px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .bottom-bar {
                padding: 10px 16px;
            }

            .bottom-bar-text {
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            :root {
                --spacer: 56px;
            }

            .container {
                padding: 0 16px;
            }

            .brand-text {
                font-size: 16px;
            }

            .hero-title {
                font-size: 29px;
            }

            .hero-actions {
                max-width: 240px;
            }

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

            .section-head h2 {
                font-size: 24px;
            }

            .feature-icon {
                width: 52px;
                height: 52px;
                font-size: 22px;
            }

            .news-card-large .card-body {
                padding: 20px;
            }

            .faq-question .q-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }

            .faq-answer p {
                font-size: 13px;
            }

            .bottom-bar-text {
                max-width: 120px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .bottom-bar .btn {
                padding: 10px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
        --bg-deep: #0B0E14;
        --bg-card: #151B26;
        --bg-light: #F6F4EF;
        --bg-white: #FFFFFF;
        --gold: #E8A33D;
        --gold-light: #F0B35A;
        --gold-bg: #F7E8CE;
        --dark-text: #1A140E;
        --body-text: #2C2A26;
        --muted-text: #7A8BA3;
        --light-text: #E8E3DA;
        --border-dark: rgba(255, 255, 255, 0.08);
        --border-light: #E8E3DA;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --shadow-dark: rgba(0, 0, 0, 0.4);
        --shadow-light: rgba(0, 0, 0, 0.06);
        --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
        --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --transition: 0.25s ease;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        background: var(--bg-deep);
        color: var(--light-text);
        -webkit-font-smoothing: antialiased;
        padding-bottom: 76px;
    }

    @media (min-width: 768px) {
        body {
            padding-bottom: 100px;
        }
    }

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

    a {
        text-decoration: none;
        color: inherit;
    }

    ul,
    ol {
        list-style: none;
    }

    button {
        font-family: inherit;
        cursor: pointer;
    }

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

    .site-header {
        padding-top: 20px;
        position: relative;
        z-index: 100;
    }

    .nav-panel {
        display: flex;
        align-items: center;
        gap: 20px;
        background: rgba(21, 27, 38, 0.92);
        border: 1px solid var(--border-dark);
        border-radius: 16px;
        padding: 12px 20px;
        backdrop-filter: blur(10px);
        transition: box-shadow var(--transition);
    }

    .nav-panel:hover {
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-family: var(--font-serif);
        font-weight: 700;
        font-size: 20px;
        color: #fff;
        flex-shrink: 0;
    }

    .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        border-radius: 10px;
        color: var(--dark-text);
        font-size: 18px;
    }

    .brand-text {
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: auto;
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 500;
        color: var(--muted-text);
        transition: background var(--transition), color var(--transition);
        min-height: 44px;
    }

    .nav-link i {
        font-size: 14px;
        opacity: 0.8;
    }

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.06);
        color: var(--light-text);
    }

    .nav-link.active {
        background: rgba(232, 163, 61, 0.12);
        color: var(--gold-light);
    }

    .nav-cta {
        margin-left: 8px;
        flex-shrink: 0;
    }

    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: 1px solid var(--border-dark);
        background: rgba(255, 255, 255, 0.06);
        border-radius: 10px;
        color: var(--light-text);
        font-size: 20px;
        align-items: center;
        justify-content: center;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 700;
        transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
        min-height: 48px;
        border: none;
        line-height: 1.2;
    }

    .btn:hover {
        transform: translateY(-2px);
    }

    .btn:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 2px;
    }

    .btn:active {
        transform: translateY(1px);
    }

    .btn-primary {
        background: var(--gold);
        color: var(--dark-text);
        box-shadow: 0 4px 18px rgba(232, 163, 61, 0.25);
    }

    .btn-primary:hover {
        background: var(--gold-light);
        box-shadow: 0 6px 24px rgba(232, 163, 61, 0.35);
    }

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

    .btn-outline:hover {
        background: rgba(255, 255, 255, 0.08);
    }

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

    .btn-outline-gold:hover {
        background: rgba(232, 163, 61, 0.1);
    }

    .page-hero {
        position: relative;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        border-radius: 0 0 24px 24px;
        margin: 0 0 0;
        padding: 72px 0 64px;
        overflow: hidden;
    }

    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 14, 20, 0.72) 0%, rgba(11, 14, 20, 0.82) 100%);
    }

    .page-hero .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 13px;
        color: rgba(232, 227, 218, 0.7);
        margin-bottom: 24px;
    }

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

    .breadcrumb .sep {
        color: rgba(232, 227, 218, 0.4);
    }

    .breadcrumb .current {
        color: var(--gold-light);
    }

    .page-hero h1 {
        font-family: var(--font-serif);
        font-size: 46px;
        font-weight: 700;
        color: #fff;
        letter-spacing: 4px;
        margin-bottom: 16px;
    }

    .page-hero .lead {
        max-width: 640px;
        margin: 0 auto;
        font-size: 17px;
        color: rgba(232, 227, 218, 0.9);
        line-height: 1.8;
    }

    .page-hero .hero-tags {
        display: flex;
        justify-content: center;
        gap: 12px;
        margin-top: 28px;
        flex-wrap: wrap;
    }

    .hero-tags .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.14);
        padding: 6px 16px;
        border-radius: 999px;
        font-size: 13px;
        color: var(--light-text);
        backdrop-filter: blur(4px);
    }

    .hero-tags .tag i {
        color: var(--gold);
        font-size: 12px;
    }

    .section {
        padding: 88px 0;
    }

    .section-dark {
        background: var(--bg-deep);
    }

    .section-light {
        background: var(--bg-light);
        color: var(--body-text);
        border-radius: 32px;
        margin: 20px 16px;
        padding: 88px 24px;
    }

    @media (max-width: 768px) {
        .section {
            padding: 56px 0;
        }
        .section-light {
            padding: 56px 20px;
            margin: 16px 8px;
            border-radius: 20px;
        }
        .page-hero h1 {
            font-size: 32px;
        }
        .page-hero {
            padding: 56px 0 48px;
        }
    }

    .section-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 56px;
    }

    .section-header .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--gold);
        letter-spacing: 3px;
        text-transform: uppercase;
        margin-bottom: 12px;
    }

    .section-header .eyebrow::before,
    .section-header .eyebrow::after {
        content: '';
        width: 28px;
        height: 1px;
        background: rgba(232, 163, 61, 0.5);
    }

    .section-header h2 {
        font-family: var(--font-serif);
        font-size: 32px;
        font-weight: 700;
        color: inherit;
        margin-bottom: 14px;
        letter-spacing: 2px;
    }

    .section-header p {
        font-size: 15px;
        color: var(--muted-text);
        line-height: 1.8;
    }

    .section-light .section-header h2 {
        color: var(--body-text);
    }

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

    @media (max-width: 1024px) {
        .card-wall {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 600px) {
        .card-wall {
            grid-template-columns: 1fr;
        }
    }

    .star-card {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: 16px;
        overflow: hidden;
        transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        display: flex;
        flex-direction: column;
    }

    .star-card:hover {
        transform: translateY(-6px);
        border-color: rgba(232, 163, 61, 0.5);
        box-shadow: 0 12px 32px var(--shadow-dark);
    }

    .star-card .cover {
        position: relative;
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background: #1E2533;
    }

    .star-card .cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

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

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

    .card-tags {
        display: flex;
        gap: 8px;
        margin-bottom: 12px;
        flex-wrap: wrap;
    }

    .card-tags .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 500;
        background: rgba(232, 163, 61, 0.12);
        color: var(--gold-light);
        border: 1px solid rgba(232, 163, 61, 0.2);
    }

    .card-tags .badge-light {
        background: var(--gold-bg);
        color: #7A5314;
        border-color: transparent;
    }

    .star-card h3 {
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .star-card p {
        font-size: 14px;
        color: rgba(232, 227, 218, 0.75);
        line-height: 1.7;
        flex: 1;
    }

    .card-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 18px;
        padding-top: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        font-size: 13px;
        color: rgba(232, 227, 218, 0.5);
    }

    .card-meta .time {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .card-meta .read-more {
        color: var(--gold-light);
        font-weight: 500;
        transition: gap var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .card-meta .read-more:hover {
        gap: 8px;
    }

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

    @media (max-width: 768px) {
        .scenario-grid {
            grid-template-columns: 1fr;
        }
    }

    .scenario-card {
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        border-radius: 12px;
        padding: 28px;
        transition: transform var(--transition), box-shadow var(--transition);
        display: flex;
        gap: 18px;
        align-items: flex-start;
    }

    .scenario-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px var(--shadow-light);
    }

    .scenario-icon {
        flex-shrink: 0;
        width: 52px;
        height: 52px;
        background: linear-gradient(135deg, var(--gold-bg), #FDEED6);
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 20px;
    }

    .scenario-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: var(--body-text);
        margin-bottom: 8px;
    }

    .scenario-card p {
        font-size: 14px;
        color: #6B7078;
        line-height: 1.7;
    }

    .process-section {
        background: linear-gradient(180deg, var(--bg-deep) 0%, #0E131C 100%);
        border-top: 1px solid var(--border-dark);
        border-bottom: 1px solid var(--border-dark);
    }

    .process-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 48px;
    }

    @media (max-width: 1024px) {
        .process-steps {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 600px) {
        .process-steps {
            grid-template-columns: 1fr;
        }
    }

    .step-item {
        position: relative;
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: 16px;
        padding: 32px 24px;
        transition: transform var(--transition), border-color var(--transition);
    }

    .step-item:hover {
        transform: translateY(-4px);
        border-color: rgba(232, 163, 61, 0.35);
    }

    .step-num {
        font-family: var(--font-serif);
        font-size: 14px;
        font-weight: 700;
        color: var(--gold);
        letter-spacing: 2px;
        margin-bottom: 8px;
    }

    .step-item h3 {
        font-size: 17px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }

    .step-item p {
        font-size: 14px;
        color: rgba(232, 227, 218, 0.7);
        line-height: 1.7;
    }

    .stats-band {
        background: var(--bg-deep);
        padding: 72px 0;
        border-top: 1px solid var(--border-dark);
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        text-align: center;
    }

    @media (max-width: 768px) {
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 40px 24px;
        }
    }

    .stats-num {
        font-family: var(--font-serif);
        font-size: 48px;
        font-weight: 700;
        color: var(--gold);
        line-height: 1.2;
    }

    .stats-label {
        margin-top: 8px;
        font-size: 14px;
        color: rgba(232, 227, 218, 0.6);
    }

    .faq-list {
        max-width: 780px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: 14px;
        overflow: hidden;
        transition: border-color var(--transition);
    }

    .faq-item:hover {
        border-color: rgba(232, 163, 61, 0.3);
    }

    .faq-item.open {
        border-color: rgba(232, 163, 61, 0.5);
    }

    .faq-question {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 20px 24px;
        cursor: pointer;
        font-size: 15px;
        font-weight: 600;
        color: var(--light-text);
        min-height: 44px;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
    }

    .faq-question .q-badge {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(232, 163, 61, 0.15);
        border-radius: 8px;
        color: var(--gold);
        font-size: 14px;
    }

    .faq-question .faq-arrow {
        margin-left: auto;
        color: var(--muted-text);
        transition: transform var(--transition);
        font-size: 13px;
    }

    .faq-item.open .faq-arrow {
        transform: rotate(180deg);
    }

    .faq-answer {
        padding: 0 24px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.25s ease, padding 0.25s ease;
    }

    .faq-item.open .faq-answer {
        padding: 0 24px 20px;
        max-height: 300px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .faq-answer p {
        font-size: 14px;
        color: rgba(232, 227, 218, 0.75);
        line-height: 1.75;
        padding-top: 16px;
    }

    .cta-section {
        background: var(--bg-light);
        color: var(--body-text);
        border-radius: 32px;
        margin: 0 16px 80px;
        padding: 72px 48px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 220px;
        height: 220px;
        background: radial-gradient(circle, rgba(232, 163, 61, 0.12) 0%, transparent 70%);
        pointer-events: none;
    }

    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: -40px;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(232, 163, 61, 0.08) 0%, transparent 70%);
        pointer-events: none;
    }

    .cta-section .container {
        position: relative;
        z-index: 1;
        max-width: 680px;
    }

    .cta-section h2 {
        font-family: var(--font-serif);
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 16px;
        color: var(--body-text);
    }

    .cta-section p {
        font-size: 16px;
        color: #6B7078;
        margin-bottom: 32px;
        line-height: 1.8;
    }

    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    @media (max-width: 600px) {
        .cta-section {
            padding: 48px 20px;
            margin: 0 8px 56px;
            border-radius: 20px;
        }
        .cta-section h2 {
            font-size: 26px;
        }
        .cta-buttons .btn {
            flex: 1 1 100%;
        }
    }

    .site-footer {
        background: #0B0E14;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 60px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
    }

    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 600px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
    }

    .footer-brand .brand {
        margin-bottom: 16px;
    }

    .footer-brand p {
        font-size: 14px;
        color: rgba(232, 227, 218, 0.6);
        line-height: 1.7;
        max-width: 280px;
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 18px;
        font-family: var(--font-serif);
    }

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

    .footer-col ul a {
        font-size: 14px;
        color: rgba(232, 227, 218, 0.6);
        transition: color var(--transition);
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 24px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(232, 227, 218, 0.4);
    }

    .footer-bottom .domain {
        font-family: monospace;
        color: rgba(232, 227, 218, 0.3);
    }

    .fixed-cta-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(11, 14, 20, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 12px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }

    .fixed-cta-bar .cta-text {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        white-space: nowrap;
    }

    .fixed-cta-bar .btn {
        min-height: 44px;
        padding: 10px 24px;
        white-space: nowrap;
    }

    @media (min-width: 768px) {
        .fixed-cta-bar {
            bottom: 24px;
            left: 50%;
            right: auto;
            transform: translateX(-50%);
            width: auto;
            min-width: 440px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 12px 20px 12px 28px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }
    }

    @media (max-width: 767px) {
        .fixed-cta-bar {
            padding: 10px 16px;
        }
        .fixed-cta-bar .btn {
            padding: 10px 18px;
            font-size: 14px;
        }
        .fixed-cta-bar .cta-text {
            font-size: 14px;
        }
    }

    @media (max-width: 768px) {
        .main-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 16px;
            right: 16px;
            background: #10151F;
            border: 1px solid var(--border-dark);
            border-radius: 12px;
            padding: 12px;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            margin: 8px 0 0;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
        }

        .main-nav.open {
            display: flex;
        }

        .nav-link {
            padding: 12px 16px;
            justify-content: flex-start;
        }

        .nav-toggle {
            display: inline-flex;
            margin-left: auto;
        }

        .nav-cta {
            display: none;
        }
    }

    @media (min-width: 769px) {
        .main-nav {
            display: flex !important;
        }
    }

    @media (max-width: 1024px) and (min-width: 769px) {
        .brand-text {
            font-size: 18px;
        }
        .nav-link {
            padding: 8px 12px;
            font-size: 14px;
        }
        .nav-cta {
            padding: 10px 20px;
            font-size: 14px;
        }
    }

    @media (max-width: 520px) {
        .brand-text {
            font-size: 17px;
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 16px;
        }
        .nav-panel {
            padding: 10px 14px;
        }
        .page-hero h1 {
            font-size: 28px;
            letter-spacing: 2px;
        }
        .section-header h2 {
            font-size: 26px;
        }
    }

    .star-dots {
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: 0.35;
    }

    .star-dots span {
        position: absolute;
        width: 2px;
        height: 2px;
        background: #fff;
        border-radius: 50%;
        animation: twinkle 3s infinite ease-in-out;
    }

    @keyframes twinkle {
        0%, 100% { opacity: 0.3; }
        50% { opacity: 1; }
    }

    .constellation-line-decoration {
        width: 80px;
        height: 40px;
        margin: 0 auto 20px;
        position: relative;
        opacity: 0.5;
    }

    .constellation-line-decoration::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--gold), transparent);
    }

    .constellation-line-decoration::after {
        content: '✦';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        color: var(--gold);
        font-size: 14px;
        background: var(--bg-deep);
        padding: 0 10px;
    }

/* roulang page: article */
:root {
        --bg-dark: #0B0E14;
        --bg-dark-2: #10151F;
        --bg-card-dark: #151B26;
        --bg-light: #F6F4EF;
        --bg-light-alt: #EDEAE4;
        --bg-white: #FFFFFF;
        --gold: #E8A33D;
        --gold-light: #F0B35A;
        --gold-soft: #F7E8CE;
        --text-dark: #1A140E;
        --text-light: #E8E3DA;
        --text-muted: #7A8BA3;
        --text-body: #2A2A2A;
        --border-dark: rgba(255, 255, 255, 0.08);
        --border-light: #E8E3DA;
        --radius-card: 16px;
        --radius-btn: 10px;
        --radius-sm: 8px;
        --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
        --shadow-light: 0 4px 20px rgba(0, 0, 0, 0.06);
        --space-section: 96px;
        --font-serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, serif;
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-body);
        background: var(--bg-light);
        -webkit-font-smoothing: antialiased;
        padding-bottom: 96px;
    }

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

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }

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

    button {
        cursor: pointer;
        font-family: inherit;
    }

    .site-header {
        background: var(--bg-dark);
        padding: 20px 0 12px;
        position: relative;
        z-index: 100;
    }

    .nav-panel {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        background: rgba(21, 27, 38, 0.72);
        border: 1px solid var(--border-dark);
        border-radius: 16px;
        padding: 12px 20px;
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    .brand-icon {
        font-size: 22px;
        color: var(--gold);
        background: rgba(232, 163, 61, 0.12);
        border-radius: 8px;
        width: 40px;
        height: 40px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(232, 163, 61, 0.3);
    }

    .brand-text {
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 700;
        color: var(--text-light);
        letter-spacing: 1px;
    }

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

    .nav-link {
        display: inline-block;
        padding: 8px 16px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-muted);
        border: 1px solid transparent;
        transition: all .24s ease;
        min-height: 44px;
        line-height: 28px;
    }

    .nav-link:hover {
        color: var(--text-light);
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .nav-link.active {
        color: var(--gold-light);
        background: rgba(232, 163, 61, 0.1);
        border-color: rgba(232, 163, 61, 0.28);
    }

    .nav-cta {
        flex-shrink: 0;
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--text-light);
        font-size: 24px;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        align-items: center;
        justify-content: center;
        transition: background .2s ease;
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.08);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        font-size: 15px;
        font-weight: 600;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        transition: all .24s ease;
        min-height: 44px;
        border: 1px solid transparent;
    }

    .btn-primary {
        background: var(--gold);
        color: var(--text-dark);
        box-shadow: 0 4px 16px rgba(232, 163, 61, 0.28);
    }

    .btn-primary:hover {
        background: var(--gold-light);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(232, 163, 61, 0.4);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 8px rgba(232, 163, 61, 0.3);
    }

    .btn-primary:focus-visible,
    .nav-toggle:focus-visible,
    .nav-link:focus-visible,
    .btn-outline:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 3px;
    }

    .btn-outline {
        background: transparent;
        border-color: rgba(232, 227, 218, 0.55);
        color: var(--text-light);
    }

    .btn-outline:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--text-light);
        transform: translateY(-1px);
    }

    .btn-sm {
        padding: 8px 20px;
        font-size: 14px;
        min-height: 40px;
    }

    .btn-lg {
        padding: 14px 40px;
        font-size: 16px;
    }

    .article-hero {
        background-size: cover;
        background-position: center;
        background-color: var(--bg-dark-2);
        padding: 72px 0 64px;
        position: relative;
    }

    .article-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 14, 20, 0.78) 0%, rgba(11, 14, 20, 0.65) 60%, rgba(11, 14, 20, 0.9) 100%);
    }

    .article-hero .container {
        position: relative;
        z-index: 2;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 14px;
        color: rgba(232, 227, 218, 0.6);
        margin-bottom: 32px;
    }

    .breadcrumb a {
        color: rgba(232, 227, 218, 0.7);
        transition: color .2s ease;
    }

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

    .breadcrumb .sep {
        opacity: 0.5;
    }

    .breadcrumb .current {
        color: var(--gold-light);
        max-width: 260px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .article-title {
        font-family: var(--font-serif);
        font-size: 38px;
        font-weight: 700;
        color: var(--text-light);
        line-height: 1.4;
        max-width: 860px;
        margin-bottom: 20px;
        letter-spacing: 1px;
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 14px;
        color: rgba(232, 227, 218, 0.65);
    }

    .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .badge {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        background: rgba(232, 163, 61, 0.14);
        color: var(--gold-light);
        border: 1px solid rgba(232, 163, 61, 0.3);
    }

    .article-body-wrap {
        background: var(--bg-light);
        padding: 64px 0 80px;
    }

    .article-wrap {
        max-width: 780px;
        margin: 0 auto;
    }

    .article-cover {
        width: 100%;
        border-radius: var(--radius-card);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.14);
        margin-bottom: 40px;
        aspect-ratio: 16 / 9;
        object-fit: cover;
    }

    .article-content {
        font-size: 16px;
        line-height: 1.9;
        color: var(--text-body);
    }

    .article-content h2 {
        font-size: 26px;
        font-weight: 700;
        margin: 48px 0 18px;
        padding-left: 18px;
        border-left: 4px solid var(--gold);
        color: var(--text-dark);
        font-family: var(--font-serif);
        line-height: 1.4;
    }

    .article-content h3 {
        font-size: 20px;
        font-weight: 600;
        margin: 36px 0 12px;
        color: var(--text-dark);
        font-family: var(--font-serif);
        line-height: 1.5;
    }

    .article-content h4 {
        font-size: 17px;
        font-weight: 600;
        margin: 28px 0 10px;
        color: var(--text-dark);
    }

    .article-content p {
        margin-bottom: 20px;
    }

    .article-content a {
        color: #B4770F;
        text-decoration: underline;
        text-underline-offset: 4px;
        text-decoration-color: rgba(180, 119, 15, 0.3);
    }

    .article-content a:hover {
        text-decoration-color: #B4770F;
    }

    .article-content img {
        max-width: 100%;
        border-radius: 12px;
        margin: 28px auto;
        box-shadow: var(--shadow-light);
    }

    .article-content blockquote {
        margin: 28px 0;
        padding: 20px 28px;
        background: var(--bg-light-alt);
        border-left: 4px solid var(--gold);
        border-radius: 0 10px 10px 0;
        color: #5A5A5A;
        font-style: italic;
    }

    .article-content ul,
    .article-content ol {
        margin: 16px 0 24px 24px;
        line-height: 1.8;
    }

    .article-content ul li,
    .article-content ol li {
        margin-bottom: 8px;
    }

    .article-content code {
        background: var(--bg-light-alt);
        padding: 2px 8px;
        border-radius: 4px;
        font-family: "SF Mono", "Fira Code", monospace;
        font-size: 14px;
    }

    .article-content pre {
        background: var(--bg-dark);
        color: var(--text-light);
        padding: 24px;
        border-radius: 12px;
        overflow-x: auto;
        margin: 24px 0;
        line-height: 1.6;
    }

    .article-content pre code {
        background: none;
        color: inherit;
        padding: 0;
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 14px;
    }

    .article-content th,
    .article-content td {
        padding: 12px 16px;
        border: 1px solid var(--border-light);
        text-align: left;
    }

    .article-content th {
        background: var(--bg-light-alt);
        font-weight: 600;
        color: var(--text-dark);
    }

    .article-content hr {
        border: none;
        border-top: 1px solid var(--border-light);
        margin: 40px 0;
    }

    .article-empty {
        background: var(--bg-white);
        border: 1px dashed var(--border-light);
        border-radius: var(--radius-card);
        padding: 80px 24px;
        text-align: center;
    }

    .article-empty p {
        font-size: 18px;
        color: var(--text-muted);
        margin-bottom: 24px;
    }

    .article-pager {
        background: var(--bg-light);
        padding: 0 0 64px;
    }

    .article-pager .container {
        max-width: 780px;
    }

    .pager-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        border-top: 1px solid var(--border-light);
        padding-top: 32px;
    }

    .pager-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-muted);
        transition: all .24s ease;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        border: 1px solid var(--border-light);
        background: var(--bg-white);
        min-height: 44px;
    }

    .pager-link:hover {
        color: var(--gold);
        border-color: rgba(232, 163, 61, 0.4);
        box-shadow: var(--shadow-light);
        transform: translateY(-2px);
    }

    .related-posts {
        background: var(--bg-white);
        padding: 80px 0;
    }

    .section-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 40px;
    }

    .section-title {
        font-family: var(--font-serif);
        font-size: 30px;
        font-weight: 700;
        color: var(--text-dark);
        line-height: 1.3;
        position: relative;
        padding-bottom: 14px;
    }

    .section-title::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 48px;
        height: 3px;
        background: var(--gold);
        border-radius: 2px;
    }

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

    .related-card {
        border-radius: var(--radius-card);
        overflow: hidden;
        background: var(--bg-white);
        border: 1px solid var(--border-light);
        transition: all .28s ease;
        display: flex;
        flex-direction: column;
    }

    .related-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 12px 36px rgba(0, 0, 0, 0.1);
        border-color: rgba(232, 163, 61, 0.4);
    }

    .related-thumb {
        width: 100%;
        aspect-ratio: 16 / 10;
        object-fit: cover;
        border-bottom: 1px solid var(--border-light);
    }

    .related-body {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .related-body h3 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-dark);
        line-height: 1.5;
        transition: color .2s ease;
    }

    .related-card:hover .related-body h3 {
        color: #B4770F;
    }

    .related-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .cta-section {
        background: var(--bg-dark);
        position: relative;
        padding: 80px 0;
        overflow: hidden;
    }

    .cta-section::before {
        content: "";
        position: absolute;
        top: -100px;
        right: -100px;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(232, 163, 61, 0.12) 0%, transparent 70%);
        pointer-events: none;
    }

    .cta-section::after {
        content: "";
        position: absolute;
        bottom: -140px;
        left: -80px;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(232, 163, 61, 0.08) 0%, transparent 70%);
        pointer-events: none;
    }

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

    .cta-inner h2 {
        font-family: var(--font-serif);
        font-size: 32px;
        color: var(--text-light);
        margin-bottom: 16px;
        line-height: 1.4;
    }

    .cta-inner p {
        font-size: 16px;
        color: var(--text-muted);
        margin-bottom: 32px;
        line-height: 1.8;
    }

    .site-footer {
        background: var(--bg-dark-2);
        padding: 64px 0 32px;
        border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 48px;
    }

    .footer-brand p {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.8;
        margin-top: 16px;
        max-width: 320px;
    }

    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-light);
        margin-bottom: 16px;
    }

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

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

    .footer-col ul li a {
        font-size: 14px;
        color: var(--text-muted);
        transition: color .2s ease;
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.35);
    }

    .fixed-cta {
        position: fixed;
        bottom: 24px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 999;
        background: rgba(11, 14, 20, 0.88);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 999px;
        padding: 10px 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    }

    .fixed-cta-inner {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .fixed-cta-text {
        font-size: 14px;
        color: var(--text-light);
        white-space: nowrap;
    }

    @media (max-width: 1024px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .related-grid {
            grid-template-columns: 1fr;
            max-width: 560px;
            margin: 0 auto;
        }
    }

    @media (max-width: 768px) {
        :root {
            --space-section: 64px;
        }

        .site-header {
            padding: 12px 0 8px;
        }

        .nav-panel {
            padding: 10px 14px;
            gap: 12px;
        }

        .main-nav {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 24px;
            right: 24px;
            background: var(--bg-dark-2);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 12px;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
        }

        .main-nav.open {
            display: flex;
        }

        .nav-link {
            padding: 12px 16px;
            text-align: center;
        }

        .nav-cta {
            display: none;
        }

        .nav-toggle {
            display: inline-flex;
        }

        .article-hero {
            padding: 48px 0 40px;
        }

        .breadcrumb {
            font-size: 13px;
            margin-bottom: 24px;
        }

        .article-title {
            font-size: 28px;
        }

        .article-meta {
            gap: 12px;
            font-size: 13px;
        }

        .article-body-wrap {
            padding: 40px 0 56px;
        }

        .article-cover {
            margin-bottom: 28px;
            border-radius: 12px;
        }

        .article-pager {
            padding: 0 0 40px;
        }

        .pager-inner {
            flex-direction: column;
            gap: 12px;
        }

        .pager-link {
            width: 100%;
            justify-content: center;
        }

        .related-posts {
            padding: 56px 0;
        }

        .section-title {
            font-size: 24px;
        }

        .cta-section {
            padding: 56px 0;
        }

        .cta-inner h2 {
            font-size: 26px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

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

        .fixed-cta {
            left: 12px;
            right: 12px;
            bottom: 12px;
            transform: none;
            border-radius: 12px;
            padding: 10px 16px;
        }

        body {
            padding-bottom: 88px;
        }
    }

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

        .brand-text {
            font-size: 17px;
        }

        .article-title {
            font-size: 24px;
        }

        .article-meta {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }

        .fixed-cta-text {
            font-size: 13px;
        }

        .btn-sm {
            padding: 8px 14px;
        }
    }

/* roulang page: category2 */
:root {
            --bg-deep: #0B0E14;
            --bg-dark: #10151F;
            --bg-card: #151B26;
            --bg-light: #F6F4EF;
            --bg-white: #FFFFFF;
            --gold: #E8A33D;
            --gold-light: #F0B35A;
            --gold-dark: #C9882D;
            --gold-shadow: rgba(232, 163, 61, 0.4);
            --text-light: #F2EDE4;
            --text-muted: #7A8BA3;
            --text-dark: #2A2A2E;
            --text-gray: #6A6A6A;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(232, 163, 61, 0.5);
            --border-light: #E8E3DA;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.4);
            --shadow-light: 0 12px 32px rgba(0, 0, 0, 0.06);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-light);
            background: var(--bg-deep);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

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

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
            background: rgba(11, 14, 20, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-panel {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 10px 16px;
            background: linear-gradient(135deg, #151B26 0%, #0E131B 100%);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 22px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 10px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .brand:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, rgba(232, 163, 61, 0.25), rgba(232, 163, 61, 0.08));
            border: 1px solid rgba(232, 163, 61, 0.35);
            border-radius: 50%;
            color: var(--gold-light);
            font-size: 18px;
            flex-shrink: 0;
        }

        .brand-text {
            font-family: var(--font-serif);
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #F5EFE4;
            white-space: nowrap;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 15px;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
        }

        .nav-link.active {
            background: linear-gradient(135deg, rgba(232, 163, 61, 0.18), rgba(232, 163, 61, 0.06));
            color: var(--gold-light);
            box-shadow: inset 0 0 0 1px rgba(232, 163, 61, 0.28);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            color: #FFF;
            font-size: 20px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== Buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--gold);
            color: #1A140E;
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.25);
        }

        .btn-primary:hover {
            background: var(--gold-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(232, 163, 61, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 18px rgba(232, 163, 61, 0.25);
        }

        .btn-outline-light {
            background: transparent;
            color: #EFE9DE;
            border: 1px solid rgba(235, 231, 220, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #FFF;
            border-color: rgba(255, 255, 255, 0.8);
        }

        .btn-outline-light:active {
            background: rgba(255, 255, 255, 0.03);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--text-dark);
            border: 1px solid rgba(42, 42, 46, 0.35);
        }

        .btn-outline-dark:hover {
            background: rgba(42, 42, 46, 0.05);
            border-color: var(--text-dark);
        }

        /* ========== Badge ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 999px;
            background: #F7E8CE;
            color: #7A4E14;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .badge-gold-line {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            background: transparent;
            border: 1px solid rgba(232, 163, 61, 0.35);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 500;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(11, 14, 20, 0.72), rgba(11, 14, 20, 0.76)), url("/assets/images/backpic/back-2.png") center/cover no-repeat;
            overflow: hidden;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(1px 1px at 18% 32%, rgba(255, 255, 255, 0.55), transparent),
                radial-gradient(1px 1px at 42% 62%, rgba(255, 255, 255, 0.32), transparent),
                radial-gradient(1px 1px at 63% 28%, rgba(255, 255, 255, 0.45), transparent),
                radial-gradient(1px 1px at 78% 54%, rgba(255, 255, 255, 0.28), transparent),
                radial-gradient(1px 1px at 86% 18%, rgba(255, 255, 255, 0.4), transparent),
                radial-gradient(1px 1px at 92% 74%, rgba(255, 255, 255, 0.35), transparent);
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.3);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.85);
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            font-weight: 700;
            line-height: 1.25;
            color: #F7F1E5;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
        }

        .page-hero .hero-desc {
            max-width: 640px;
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Sections ========== */
        .section {
            padding: 88px 0;
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 640px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.08em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-dark);
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-gray);
        }

        /* Dark sections */
        .section-dark {
            background: var(--bg-deep);
        }

        .section-dark .section-header h2 {
            color: #F5EFE4;
        }

        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* Light sections */
        .section-light {
            background: var(--bg-light);
        }

        /* ========== Feature Cards ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 70px;
            height: 70px;
            background: radial-gradient(circle at top right, rgba(232, 163, 61, 0.12), transparent 70%);
            transition: var(--transition);
        }

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

        .feature-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(232, 163, 61, 0.22), rgba(232, 163, 61, 0.08));
            border: 1px solid rgba(232, 163, 61, 0.28);
            font-size: 24px;
            color: var(--gold-light);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #F1EAE0;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== Scenario Cards ========== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.09);
        }

        .scenario-card img {
            width: 100%;
            height: 172px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .scenario-card .card-body {
            padding: 22px 20px 24px;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .scenario-card p {
            font-size: 13px;
            line-height: 1.85;
            color: var(--text-gray);
            margin-bottom: 16px;
        }

        /* ========== Process ========== */
        .process-section {
            position: relative;
            background: linear-gradient(rgba(11, 14, 20, 0.85), rgba(11, 14, 20, 0.88)), url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            padding: 32px 24px;
            background: rgba(21, 27, 38, 0.72);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }

        .process-step:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
        }

        .step-number {
            font-family: var(--font-serif);
            font-size: 14px;
            font-weight: 700;
            color: var(--gold);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(232, 163, 61, 0.12);
            border: 1px solid rgba(232, 163, 61, 0.3);
            margin-bottom: 18px;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            color: #F0E9DE;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== Guide Cards ========== */
        .guides-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 44px rgba(0, 0, 0, 0.1);
            border-color: var(--border-gold);
        }

        .guide-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .guide-card .card-body {
            padding: 24px 22px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .guide-card p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-gray);
            margin-bottom: 18px;
            flex: 1;
        }

        .guide-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--gold-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-link:hover {
            color: var(--gold);
            gap: 10px;
        }

        /* ========== Stats ========== */
        .stats-section {
            background: linear-gradient(rgba(11, 14, 20, 0.78), rgba(11, 14, 20, 0.82)), url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            padding: 72px 0;
        }

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

        .stat-item {
            padding: 36px 24px;
            background: rgba(21, 27, 38, 0.7);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(6px);
        }

        .stat-number {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--gold-light);
            line-height: 1.2;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.58);
            letter-spacing: 0.03em;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-card:hover {
            border-color: rgba(232, 163, 61, 0.4);
            box-shadow: var(--shadow-light);
        }

        .faq-card summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 26px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            transition: var(--transition);
        }

        .faq-card summary::-webkit-details-marker {
            display: none;
        }

        .faq-card summary:hover {
            background: rgba(246, 244, 239, 0.6);
        }

        .faq-card[open] summary {
            border-bottom: 1px solid #EFE9DE;
            background: rgba(246, 244, 239, 0.4);
        }

        .faq-q {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: #F7E8CE;
            color: #8A5A1C;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-icon {
            color: var(--gold);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-card[open] .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 22px 26px 26px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-gray);
            background: rgba(246, 244, 239, 0.3);
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: linear-gradient(rgba(16, 21, 31, 0.85), rgba(11, 14, 20, 0.9)), url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
            padding: 76px 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-inner {
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: #F5EFE4;
            line-height: 1.4;
            margin-bottom: 18px;
        }

        .cta-section p {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 34px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #080B10;
            padding: 64px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.48);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .copyright,
        .domain {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== Mobile CTA Bar ========== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 12px 18px;
            background: rgba(15, 20, 30, 0.88);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.4);
        }

        .bottom-cta-text {
            font-size: 14px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            white-space: nowrap;
        }

        .bottom-cta-bar .btn {
            padding: 10px 22px;
            min-height: 40px;
            font-size: 14px;
        }

        body.has-bottom-bar {
            padding-bottom: 68px;
        }

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

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-panel {
                padding: 8px 12px;
            }

            .brand-text {
                font-size: 17px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 78px;
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                background: #151B26;
                border: 1px solid rgba(255, 255, 255, 0.08);
                border-radius: 16px;
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
                padding: 12px;
                gap: 4px;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                justify-content: flex-start;
                padding: 13px 16px;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .page-hero {
                min-height: 320px;
            }

            .page-hero .container {
                padding-top: 44px;
                padding-bottom: 44px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero .hero-desc {
                font-size: 15px;
            }

            .section {
                padding: 56px 0;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .features-grid,
            .guides-grid {
                grid-template-columns: 1fr;
            }

            .scenarios-grid {
                grid-template-columns: 1fr;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-section h2 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .body {
                padding-bottom: 76px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .brand-text {
                font-size: 15px;
            }

            .nav-panel {
                gap: 8px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-desc {
                font-size: 14px;
            }

            .section-header h2 {
                font-size: 23px;
            }

            .faq-card summary {
                padding: 18px 18px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 18px;
                font-size: 14px;
            }

            .bottom-cta-bar {
                padding: 10px 14px;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
            }

            .bottom-cta-bar .btn {
                width: 100%;
            }

            .bottom-cta-text {
                text-align: center;
                font-size: 13px;
            }

            .stat-number {
                font-size: 34px;
            }
        }