/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary-start: #4A00E0;
            --primary-end: #8E2DE2;
            --accent: #FFD700;
            --accent-hover: #e6c200;
            --bg-light: #F8F9FA;
            --card-bg: #FFFFFF;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border-light: rgba(0,0,0,0.04);
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --radius-badge: 4px;
            --nav-height: 56px;
            --container-max: 1200px;
            --section-gap: 80px;
            --font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --font-en: "Inter", "Roboto", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color 0.2s; }
        a:hover { color: var(--primary-end); }
        button, input, textarea { font-family: inherit; }
        ul { list-style: none; padding: 0; margin: 0; }

        /* ===== Container ===== */
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--text-dark); }
        .display-hero { font-size: 48px; font-weight: 700; line-height: 1.1; }
        .heading-lg { font-size: 32px; font-weight: 700; }
        .heading-md { font-size: 20px; font-weight: 700; }
        .body-text { font-size: 16px; line-height: 1.6; color: var(--text-muted); }
        .text-small { font-size: 14px; color: var(--text-muted); }
        .text-xs { font-size: 12px; color: var(--text-muted); }

        /* ===== Section Spacing ===== */
        .section { padding: var(--section-gap) 0; }
        @media (max-width: 992px) { .section { padding: 60px 0; } }
        @media (max-width: 576px) { .section { padding: 40px 0; } }

        /* ===== Buttons ===== */
        .btn-primary-gradient {
            display: inline-flex; align-items: center; gap: 8px;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff; border: none; padding: 12px 32px;
            border-radius: var(--radius-btn); font-size: 16px; font-weight: 600;
            transition: all 0.3s ease; cursor: pointer;
            box-shadow: 0 4px 14px rgba(74,0,224,0.3);
        }
        .btn-primary-gradient:hover {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #1a1a2e; box-shadow: 0 6px 20px rgba(255,215,0,0.4);
            transform: translateY(-2px);
        }
        .btn-primary-gradient:active { transform: translateY(0); }
        .btn-secondary-outline {
            display: inline-flex; align-items: center; gap: 8px;
            background: transparent; color: var(--primary-start);
            border: 2px solid var(--primary-start); padding: 10px 28px;
            border-radius: var(--radius-btn); font-size: 16px; font-weight: 600;
            transition: all 0.3s ease; cursor: pointer;
        }
        .btn-secondary-outline:hover {
            background: var(--primary-start); color: #fff;
            transform: translateY(-2px); box-shadow: 0 4px 12px rgba(74,0,224,0.2);
        }
        .btn-text-link {
            background: none; border: none; color: var(--primary-start);
            font-weight: 600; padding: 0; cursor: pointer;
            border-bottom: 2px solid transparent; transition: all 0.2s;
        }
        .btn-text-link:hover { border-bottom-color: var(--primary-start); }

        /* ===== Cards ===== */
        .card-custom {
            background: var(--card-bg); border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm); padding: 24px;
            transition: all 0.3s ease; border: 1px solid var(--border-light);
            overflow: hidden; position: relative;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-hover); transform: translateY(-4px);
        }
        .card-custom .badge-corner {
            position: absolute; top: 12px; right: 12px;
            background: var(--accent); color: #1a1a2e;
            font-size: 12px; font-weight: 600; padding: 4px 12px;
            border-radius: var(--radius-badge); letter-spacing: 0.5px;
        }
        .card-custom .card-img {
            border-radius: 12px; margin-bottom: 16px;
            width: 100%; aspect-ratio: 3/2; object-fit: cover;
        }
        .card-custom .card-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
        .card-custom .card-desc { font-size: 14px; color: var(--text-muted); line-height: 1.5; }

        /* ===== Tags & Badges ===== */
        .tag {
            display: inline-block; padding: 4px 14px; font-size: 12px;
            font-weight: 500; border-radius: 20px;
            background: rgba(74,0,224,0.08); color: var(--primary-start);
            transition: all 0.2s;
        }
        .tag:hover { background: var(--primary-start); color: #fff; }
        .badge-gold {
            background: var(--accent); color: #1a1a2e;
            padding: 4px 12px; border-radius: var(--radius-badge);
            font-size: 12px; font-weight: 600;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0;
            height: var(--nav-height); z-index: 1050;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.04);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.98);
            box-shadow: 0 2px 20px rgba(0,0,0,0.06);
        }
        .nav-container {
            max-width: var(--container-max); margin: 0 auto;
            padding: 0 24px; height: 100%;
            display: flex; align-items: center; justify-content: space-between;
        }
        .nav-left { display: flex; align-items: center; gap: 32px; flex: 1; }
        .nav-logo {
            font-size: 22px; font-weight: 800;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text; letter-spacing: -0.5px;
            display: flex; align-items: center; gap: 6px;
        }
        .nav-logo i { -webkit-text-fill-color: initial; color: var(--primary-start); font-size: 24px; }
        .nav-links { display: flex; align-items: center; gap: 24px; }
        .nav-links a {
            font-size: 14px; font-weight: 500; color: var(--text-dark);
            padding: 6px 0; position: relative; transition: color 0.2s;
        }
        .nav-links a::after {
            content: ''; position: absolute; bottom: 0; left: 0; right: 0;
            height: 2px; background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            transform: scaleX(0); transition: transform 0.3s ease;
        }
        .nav-links a:hover { color: var(--primary-start); }
        .nav-links a:hover::after { transform: scaleX(1); }
        .nav-links a.active { color: var(--primary-start); }
        .nav-links a.active::after { transform: scaleX(1); }
        .nav-right { display: flex; align-items: center; gap: 16px; }
        .nav-search {
            display: flex; align-items: center; gap: 8px;
            background: var(--bg-light); border-radius: 20px;
            padding: 4px 16px; border: 1px solid transparent;
            transition: all 0.2s;
        }
        .nav-search:focus-within { border-color: var(--primary-start); background: #fff; }
        .nav-search input {
            border: none; background: transparent; outline: none;
            font-size: 14px; width: 120px; color: var(--text-dark);
        }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search i { color: var(--text-muted); font-size: 14px; }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff; border: none; padding: 8px 20px; border-radius: 20px;
            font-size: 14px; font-weight: 600; cursor: pointer;
            transition: all 0.3s ease;
        }
        .nav-cta:hover { background: linear-gradient(135deg, var(--accent), var(--accent-hover)); color: #1a1a2e; }
        .nav-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--text-dark); cursor: pointer; }

        /* Mobile Nav */
        @media (max-width: 992px) {
            .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: #fff; flex-direction: column; padding: 16px 24px; gap: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 8px 0; font-size: 16px; }
            .nav-links a::after { display: none; }
            .nav-search input { width: 80px; }
            .nav-toggle { display: block; }
            .nav-right .nav-cta { display: none; }
            .nav-container { padding: 0 16px; }
        }
        @media (max-width: 576px) {
            .nav-logo { font-size: 18px; }
            .nav-search { display: none; }
        }

        /* ===== Split Hero ===== */
        .hero-split {
            display: flex; min-height: calc(100vh - var(--nav-height));
            margin-top: var(--nav-height); position: relative; overflow: hidden;
        }
        .hero-content {
            flex: 0 0 50%; max-width: 50%;
            display: flex; flex-direction: column; justify-content: center;
            padding: 80px 48px 80px 80px;
            background: linear-gradient(135deg, rgba(74,0,224,0.04), rgba(142,45,226,0.06));
        }
        .hero-content .hero-brand {
            font-size: 14px; font-weight: 600; color: var(--primary-start);
            letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
            display: flex; align-items: center; gap: 8px;
        }
        .hero-content .hero-brand i { font-size: 18px; }
        .hero-content h1 {
            font-size: 48px; font-weight: 800; line-height: 1.1;
            margin-bottom: 20px; color: var(--text-dark);
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .hero-sub {
            font-size: 18px; color: var(--text-muted); line-height: 1.6;
            margin-bottom: 32px; max-width: 480px;
        }
        .hero-content .hero-cta-group { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-visual {
            flex: 0 0 50%; max-width: 50%;
            position: relative; overflow: hidden; min-height: 400px;
        }
        .hero-visual img {
            width: 100%; height: 100%; object-fit: cover;
            position: absolute; top: 0; left: 0;
        }
        .hero-visual .overlay-gradient {
            position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            background: linear-gradient(90deg, rgba(248,249,250,0.6) 0%, transparent 60%);
            pointer-events: none;
        }
        @media (max-width: 992px) {
            .hero-split { flex-direction: column; }
            .hero-content { flex: 0 0 100%; max-width: 100%; padding: 48px 24px; }
            .hero-content h1 { font-size: 36px; }
            .hero-visual { flex: 0 0 100%; max-width: 100%; min-height: 300px; }
            .hero-visual img { position: relative; height: 300px; }
            .hero-visual .overlay-gradient { display: none; }
        }
        @media (max-width: 576px) {
            .hero-content h1 { font-size: 28px; }
            .hero-content .hero-sub { font-size: 16px; }
            .hero-content { padding: 32px 16px; }
            .hero-visual { min-height: 200px; }
            .hero-visual img { height: 200px; }
        }

        /* ===== Features Grid ===== */
        .features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        @media (max-width: 992px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 576px) { .features-grid { grid-template-columns: 1fr; } }

        /* ===== Testimonial Carousel ===== */
        .testimonial-card {
            background: var(--card-bg); border-radius: var(--radius-card);
            padding: 32px 28px; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light); height: 100%;
        }
        .testimonial-card .stars { color: var(--accent); font-size: 18px; margin-bottom: 12px; letter-spacing: 2px; }
        .testimonial-card .quote { font-size: 15px; line-height: 1.7; color: var(--text-muted); margin-bottom: 20px; font-style: italic; }
        .testimonial-card .author { display: flex; align-items: center; gap: 12px; }
        .testimonial-card .author img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
        .testimonial-card .author-info .name { font-size: 14px; font-weight: 700; }
        .testimonial-card .author-info .role { font-size: 12px; color: var(--text-muted); }
        .carousel-indicators-custom {
            display: flex; justify-content: center; gap: 8px; margin-top: 24px;
        }
        .carousel-indicators-custom button {
            width: 10px; height: 10px; border-radius: 50%;
            background: #ccc; border: none; cursor: pointer; padding: 0;
            transition: all 0.3s;
        }
        .carousel-indicators-custom button.active { background: var(--primary-start); width: 28px; border-radius: 5px; }

        /* ===== Assurance Bar ===== */
        .assurance-bar {
            background: var(--card-bg); border-radius: var(--radius-card);
            padding: 32px 24px; box-shadow: var(--shadow-sm);
            display: flex; justify-content: space-around; flex-wrap: wrap; gap: 16px;
        }
        .assurance-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-dark); font-weight: 500; }
        .assurance-item i { font-size: 28px; color: var(--primary-start); }
        @media (max-width: 768px) { .assurance-bar { flex-direction: column; align-items: center; } }

        /* ===== CTA Float ===== */
        .cta-float {
            position: fixed; bottom: 32px; right: 32px; z-index: 1060;
            display: flex; flex-direction: column; gap: 12px;
        }
        .cta-float .btn-float {
            width: 56px; height: 56px; border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff; border: none; font-size: 22px; cursor: pointer;
            box-shadow: 0 6px 20px rgba(74,0,224,0.35);
            transition: all 0.3s ease; display: flex; align-items: center; justify-content: center;
        }
        .cta-float .btn-float:hover { transform: scale(1.1); box-shadow: 0 8px 28px rgba(74,0,224,0.45); }
        .cta-float .btn-float-label {
            position: absolute; right: 64px; background: var(--card-bg);
            padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600;
            box-shadow: var(--shadow-sm); white-space: nowrap;
            opacity: 0; pointer-events: none; transition: opacity 0.3s;
        }
        .cta-float .btn-float:hover .btn-float-label { opacity: 1; }
        @media (max-width: 576px) { .cta-float { bottom: 16px; right: 16px; } .cta-float .btn-float { width: 48px; height: 48px; font-size: 18px; } }

        /* ===== Footer ===== */
        .site-footer {
            background: #2C3E50; color: rgba(255,255,255,0.85);
            padding: 60px 0 32px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .footer-logo {
            font-size: 22px; font-weight: 800;
            background: linear-gradient(135deg, #fff, #e0e0e0);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text; margin-bottom: 12px; display: block;
        }
        .footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.65); max-width: 320px; }
        .footer-col h5 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.7); transition: color 0.2s; }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-contact li { display: flex; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.7); }
        .footer-contact li i { width: 16px; color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 40px; padding-top: 20px;
            display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
        }
        .footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.5); }
        .footer-bottom .social-links { display: flex; gap: 12px; }
        .footer-bottom .social-links a { color: rgba(255,255,255,0.6); font-size: 18px; transition: color 0.2s; }
        .footer-bottom .social-links a:hover { color: var(--accent); }
        @media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 576px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } .footer-bottom { flex-direction: column; text-align: center; } }

        /* ===== CMS List ===== */
        .cms-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        @media (max-width: 992px) { .cms-list { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 576px) { .cms-list { grid-template-columns: 1fr; } }
        .cms-empty {
            grid-column: 1 / -1; text-align: center; padding: 48px 24px;
            color: var(--text-muted); font-size: 16px;
            background: var(--card-bg); border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
        }
        .cms-empty i { font-size: 36px; display: block; margin-bottom: 12px; color: #ccc; }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--card-bg); border-radius: 12px;
            padding: 20px 24px; margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04); border: 1px solid var(--border-light);
            transition: all 0.2s;
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-item .faq-q { font-weight: 700; font-size: 16px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
        .faq-item .faq-q i { color: var(--primary-start); font-size: 14px; }
        .faq-item .faq-a { font-size: 15px; color: var(--text-muted); line-height: 1.7; padding-left: 22px; }

        /* ===== CTA Section ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            border-radius: var(--radius-card); padding: 64px 48px;
            text-align: center; color: #fff;
            position: relative; overflow: hidden;
        }
        .cta-block::before {
            content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(255,215,0,0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-block h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; color: #fff; }
        .cta-block p { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 28px; max-width: 640px; margin-left: auto; margin-right: auto; }
        .cta-block .btn-cta {
            background: #fff; color: var(--primary-start); border: none;
            padding: 14px 40px; border-radius: 50px; font-size: 18px; font-weight: 700;
            cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .cta-block .btn-cta:hover { background: var(--accent); color: #1a1a2e; transform: translateY(-3px); box-shadow: 0 8px 28px rgba(255,215,0,0.3); }
        @media (max-width: 768px) { .cta-block { padding: 40px 24px; } .cta-block h2 { font-size: 24px; } .cta-block p { font-size: 16px; } }

        /* ===== Breadcrumb ===== */
        .breadcrumb-custom { padding: 12px 0; font-size: 14px; color: var(--text-muted); }
        .breadcrumb-custom a { color: var(--text-muted); }
        .breadcrumb-custom a:hover { color: var(--primary-start); }
        .breadcrumb-custom .separator { margin: 0 8px; color: #ccc; }

        /* ===== Misc ===== */
        .section-title-center { text-align: center; margin-bottom: 48px; }
        .section-title-center h2 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
        .section-title-center p { font-size: 16px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }
        .divider { height: 1px; background: rgba(0,0,0,0.06); margin: 0; }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--primary-start); outline-offset: 2px; }

        /* ===== Responsive Fine-tune ===== */
        @media (max-width: 1200px) { :root { --section-gap: 60px; } }
        @media (max-width: 768px) { :root { --section-gap: 48px; } .display-hero { font-size: 32px; } .heading-lg { font-size: 26px; } .section-title-center h2 { font-size: 26px; } }
        @media (max-width: 576px) { .display-hero { font-size: 28px; } .heading-lg { font-size: 22px; } }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary-start: #4A00E0;
            --primary-end: #8E2DE2;
            --primary-gradient: linear-gradient(135deg, #4A00E0 0%, #8E2DE2 100%);
            --accent: #FFD700;
            --accent-hover: #e6c200;
            --bg-light: #F8F9FA;
            --card-bg: #FFFFFF;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border-light: rgba(0, 0, 0, 0.06);
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-num: "Inter", "Roboto", sans-serif;
            --nav-height: 56px;
            --content-max-width: 1200px;
            --section-gap: 80px;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-end);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--primary-start);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-dark);
        }
        p {
            margin: 0 0 1rem;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--content-max-width);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: 1050;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .nav-container {
            max-width: var(--content-max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-dark);
            padding: 6px 10px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-dark);
            text-decoration: none;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .nav-logo i {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 24px;
        }
        .nav-logo:hover {
            color: var(--primary-end);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 20px;
        }
        .nav-links a {
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(74, 0, 224, 0.06);
            color: var(--primary-start);
        }
        .nav-links a.active {
            background: var(--primary-gradient);
            color: #fff;
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 20px;
            padding: 4px 14px;
            border: 1px solid var(--border-light);
            transition: border 0.2s, box-shadow 0.2s;
            max-width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary-end);
            box-shadow: 0 0 0 3px rgba(142, 45, 226, 0.12);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 6px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            padding: 4px 0;
            width: 100%;
            min-width: 80px;
            color: var(--text-dark);
        }
        .nav-search input::placeholder {
            color: #aaa;
        }
        .nav-cta {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 6px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 13px;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s, background 0.3s;
            white-space: nowrap;
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(74, 0, 224, 0.3);
            background: linear-gradient(135deg, #5a10e8 0%, #9e3df0 100%);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrapper {
            margin-top: var(--nav-height);
            background: var(--card-bg);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            font-size: 13px;
        }
        .breadcrumb-item a {
            color: var(--text-muted);
        }
        .breadcrumb-item a:hover {
            color: var(--primary-end);
        }
        .breadcrumb-item.active {
            color: var(--text-dark);
            font-weight: 500;
        }
        .breadcrumb-item+.breadcrumb-item::before {
            content: "›";
            color: #ccc;
            font-weight: 700;
        }

        /* ===== 文章主区 ===== */
        .article-section {
            padding: 40px 0 var(--section-gap);
        }
        .article-header {
            margin-bottom: 32px;
        }
        .article-header .category-badge {
            display: inline-block;
            background: var(--primary-gradient);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .article-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .article-meta i {
            margin-right: 4px;
            font-size: 13px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
        }

        /* 正文 */
        .article-body {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-dark);
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 32px 36px;
            box-shadow: var(--shadow-sm);
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body h2,
        .article-body h3 {
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .article-body h2 {
            font-size: 24px;
        }
        .article-body h3 {
            font-size: 20px;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body img {
            border-radius: 12px;
            margin: 24px 0;
            width: 100%;
            object-fit: cover;
            max-height: 500px;
            background: var(--bg-light);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary-end);
            background: rgba(142, 45, 226, 0.04);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-body pre {
            background: #1a1a2e;
            color: #e8e8e8;
            padding: 20px 24px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.6;
            margin: 24px 0;
        }
        .article-body code {
            font-family: "JetBrains Mono", "Fira Code", monospace;
            font-size: 0.9em;
            background: rgba(74, 0, 224, 0.06);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .article-body pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            text-align: left;
        }
        .article-body th {
            background: var(--bg-light);
            font-weight: 600;
        }
        .article-body .cms-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
        }
        .article-body .cms-empty i {
            font-size: 48px;
            color: #ddd;
            margin-bottom: 16px;
        }
        .article-body .cms-empty p {
            font-size: 18px;
        }
        .article-body .cms-empty a {
            margin-top: 12px;
            display: inline-block;
            background: var(--primary-gradient);
            color: #fff;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .article-body .cms-empty a:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(74, 0, 224, 0.25);
            color: #fff;
        }

        /* ===== 侧边栏 ===== */
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
        }
        .sidebar-widget h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-gradient);
            display: inline-block;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            font-size: 14px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s;
        }
        .sidebar-links a i {
            color: var(--primary-end);
            font-size: 12px;
        }
        .sidebar-links a:hover {
            color: var(--primary-end);
        }
        .sidebar-contact p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-contact i {
            color: var(--primary-end);
            width: 18px;
            text-align: center;
        }
        .sidebar-cta {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            width: 100%;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(74, 0, 224, 0.25);
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 60px 0;
            background: var(--card-bg);
        }
        .related-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 32px;
            text-align: center;
        }
        .related-card {
            background: var(--bg-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .related-card .card-body .date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-logo i {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-size: 24px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
        }
        .footer-contact i {
            width: 16px;
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }
        .social-links {
            display: flex;
            gap: 12px;
        }
        .social-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 18px;
            transition: color 0.2s, transform 0.2s;
        }
        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: 16px 20px;
                gap: 8px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.3s ease, opacity 0.3s ease;
                border-bottom: 1px solid var(--border-light);
                margin-left: 0;
                z-index: 1040;
                border-radius: 0 0 16px 16px;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                padding: 10px 16px;
                font-size: 15px;
                width: 100%;
            }
            .nav-search {
                max-width: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .article-body {
                padding: 24px;
            }
            .sidebar-widget {
                padding: 18px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 60px;
            }
            .article-header h1 {
                font-size: 24px;
            }
            .article-body {
                font-size: 16px;
                padding: 20px;
            }
            .related-card img {
                height: 150px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .nav-search {
                max-width: 120px;
            }
            .nav-search input {
                min-width: 60px;
            }
            .nav-cta {
                padding: 6px 14px;
                font-size: 12px;
            }
        }

        @media (max-width: 576px) {
            .article-header h1 {
                font-size: 20px;
            }
            .article-meta {
                flex-direction: column;
                gap: 6px;
                font-size: 13px;
            }
            .article-body {
                padding: 16px;
                font-size: 15px;
            }
            .related-card img {
                height: 130px;
            }
            .related-section h2 {
                font-size: 22px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo i {
                font-size: 20px;
            }
            .nav-right .nav-cta {
                display: none;
            }
            .nav-search {
                max-width: 100px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary-start: #4A00E0;
            --primary-end: #8E2DE2;
            --accent-gold: #FFD700;
            --accent-gold-hover: #e6c200;
            --bg-light: #F8F9FA;
            --card-bg: #FFFFFF;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --border-light: rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --nav-height: 56px;
            --font-sans: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-mono: "SF Mono", "Fira Code", monospace;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-dark);
            background: var(--bg-light);
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary-end);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        .nav-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 4px;
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-start);
            letter-spacing: -0.3px;
            transition: opacity var(--transition-fast);
        }
        .nav-logo i {
            font-size: 24px;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-logo:hover {
            opacity: 0.85;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 16px;
        }
        .nav-links a {
            display: block;
            padding: 6px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            border-radius: 20px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .nav-links a:hover {
            background: rgba(74, 0, 224, 0.06);
            color: var(--primary-start);
        }
        .nav-links a.active {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(74, 0, 224, 0.3);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(0, 0, 0, 0.04);
            border-radius: 20px;
            padding: 0 12px;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary-end);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 6px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            padding: 6px 0;
            font-size: 13px;
            width: 120px;
            color: var(--text-dark);
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff;
            border: none;
            padding: 7px 20px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(74, 0, 224, 0.35);
        }
        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 12px 20px 20px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
                border-radius: 0 0 16px 16px;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                font-size: 15px;
                border-radius: 10px;
            }
            .nav-search input {
                width: 80px;
            }
            .nav-right {
                gap: 8px;
            }
        }
        @media (max-width: 576px) {
            .nav-search {
                display: none;
            }
            .nav-cta {
                padding: 6px 14px;
                font-size: 12px;
            }
            .nav-logo {
                font-size: 18px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            margin-top: var(--nav-height);
            min-height: 70vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(74, 0, 224, 0.04) 0%, rgba(142, 45, 226, 0.08) 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
            padding-top: 60px;
            padding-bottom: 60px;
        }
        .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff;
            padding: 4px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-dark);
            margin-bottom: 16px;
            max-width: 720px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(74, 0, 224, 0.35);
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--primary-start);
            border: 2px solid var(--primary-start);
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }
        .btn-outline-custom:hover {
            background: var(--primary-start);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .hero-stat-item h3 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-start);
            margin: 0;
            line-height: 1.2;
        }
        .hero-stat-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 4px 0 0 0;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-item h3 {
                font-size: 24px;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 26px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 60px 0;
            }
        }
        @media (max-width: 576px) {
            .section-padding {
                padding: 40px 0;
            }
        }
        .section-title-center {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title-center h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-title-center p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title-left h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .section-title-left .subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 560px;
        }

        /* ===== Bento Grid ===== */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .bento-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .bento-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .bento-card .bento-icon {
            font-size: 32px;
            color: var(--primary-end);
            margin-bottom: 16px;
        }
        .bento-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .bento-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .bento-card .bento-tag {
            display: inline-block;
            background: rgba(74, 0, 224, 0.06);
            color: var(--primary-start);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            align-self: flex-start;
        }
        .bento-card .bento-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-end);
            margin-top: 8px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .bento-card .bento-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .bento-card:hover .bento-link i {
            transform: translateX(4px);
        }
        .bento-card .bento-badge-corner {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-gold);
            color: #1a1a2e;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 12px;
        }
        /* Bento sizes */
        .bento-colspan-2 {
            grid-column: span 2;
        }
        .bento-rowspan-2 {
            grid-row: span 2;
        }
        .bento-colspan-3 {
            grid-column: span 3;
        }
        .bento-full {
            grid-column: 1 / -1;
        }
        /* Bento variants with background */
        .bento-accent {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff;
        }
        .bento-accent p,
        .bento-accent .bento-tag {
            color: rgba(255, 255, 255, 0.85);
        }
        .bento-accent .bento-tag {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .bento-accent .bento-link {
            color: #fff;
        }
        .bento-accent .bento-icon {
            color: #fff;
        }
        @media (max-width: 992px) {
            .bento-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .bento-colspan-2,
            .bento-colspan-3 {
                grid-column: span 2;
            }
            .bento-rowspan-2 {
                grid-row: auto;
            }
        }
        @media (max-width: 576px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-colspan-2,
            .bento-colspan-3 {
                grid-column: 1;
            }
        }

        /* ===== 适用场景 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .scene-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 32px 20px 24px;
            text-align: center;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            border: 1px solid var(--border-light);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scene-card .scene-icon {
            font-size: 40px;
            color: var(--primary-end);
            margin-bottom: 16px;
        }
        .scene-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 992px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 流程步骤 ===== */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            counter-reset: step;
        }
        .process-step {
            flex: 1 1 200px;
            max-width: 260px;
            text-align: center;
            position: relative;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 32px 20px 24px;
            border: 1px solid var(--border-light);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
        }
        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .process-step .step-icon {
            font-size: 28px;
            color: var(--primary-end);
            margin-bottom: 12px;
        }
        @media (max-width: 768px) {
            .process-step {
                flex: 1 1 160px;
                max-width: 100%;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: 12px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(74, 0, 224, 0.02);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--primary-end);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 160%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-banner p {
            font-size: 17px;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-banner .btn-cta-gold {
            background: var(--accent-gold);
            color: #1a1a2e;
            border: none;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 700;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-banner .btn-cta-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4);
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 40px 24px;
            }
            .cta-banner h2 {
                font-size: 24px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #2C3E50;
            color: rgba(255, 255, 255, 0.85);
            padding: 56px 0 0;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-logo i {
            font-size: 26px;
            color: var(--accent-gold);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 320px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-contact li i {
            width: 16px;
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 12px;
            opacity: 0.6;
            margin: 0;
        }
        .social-links {
            display: flex;
            gap: 16px;
        }
        .social-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: color var(--transition-fast), transform var(--transition-fast);
        }
        .social-links a:hover {
            color: var(--accent-gold);
            transform: translateY(-2px);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Divider ===== */
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-start), var(--primary-end));
            border-radius: 4px;
            margin: 0 auto 16px;
        }

        /* ===== Miscellaneous ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .bg-soft-primary {
            background: rgba(74, 0, 224, 0.04);
        }
        .mt-section {
            margin-top: 60px;
        }
        @media (max-width: 576px) {
            .section-title-center h2 {
                font-size: 24px;
            }
            .section-title-left h2 {
                font-size: 24px;
            }
        }

        /* ===== Focus visible ===== */
        :focus-visible {
            outline: 2px solid var(--primary-end);
            outline-offset: 2px;
        }

        /* ===== Smooth transition for all interactive ===== */
        .btn-primary-custom,
        .btn-outline-custom,
        .btn-cta-gold,
        .nav-cta,
        .bento-card,
        .scene-card,
        .process-step {
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
        }

/* roulang page: category3 */
/* ===== Design Variables ===== */
        :root {
            --primary-1: #4A00E0;
            --primary-2: #8E2DE2;
            --primary-gradient: linear-gradient(135deg, #4A00E0 0%, #8E2DE2 100%);
            --accent: #FFD700;
            --accent-hover: #e6c200;
            --bg-light: #F8F9FA;
            --bg-white: #FFFFFF;
            --bg-dark: #1E2A3A;
            --text-dark: #1A1A2E;
            --text-body: #2D3748;
            --text-muted: #718096;
            --text-light: #F7FAFC;
            --border-color: rgba(0, 0, 0, 0.06);
            --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --card-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, sans-serif;
            --nav-height: 56px;
            --container-max: 1200px;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 60px;
            --section-gap-mobile: 40px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-light);
            overflow-x: hidden;
        }

        a {
            color: var(--primary-1);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-2);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* ===== Container ===== */
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-logo i {
            font-size: 22px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-logo:hover {
            color: var(--primary-1);
            opacity: 0.9;
        }

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

        .nav-links a {
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary-1);
            background: rgba(74, 0, 224, 0.06);
        }

        .nav-links a.active {
            color: var(--primary-1);
            background: rgba(74, 0, 224, 0.10);
            font-weight: 600;
        }

        .nav-links a.active::after {
            display: none;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            padding: 4px 14px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--primary-1);
            box-shadow: 0 0 0 3px rgba(74, 0, 224, 0.10);
        }

        .nav-search i {
            font-size: 14px;
            color: var(--text-muted);
            margin-right: 8px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-dark);
            width: 120px;
            transition: var(--transition);
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search input:focus {
            width: 160px;
        }

        .nav-cta {
            padding: 6px 20px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--primary-gradient);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(74, 0, 224, 0.30);
        }

        .nav-cta:active {
            transform: translateY(0);
        }

        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-color);
                z-index: 1040;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-links a {
                padding: 10px 16px;
                font-size: 15px;
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .nav-search input {
                width: 80px;
            }

            .nav-search input:focus {
                width: 120px;
            }

            .nav-cta {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 576px) {
            .nav-container {
                padding: 0 12px;
            }

            .nav-logo {
                font-size: 17px;
            }

            .nav-search {
                display: none;
            }

            .nav-cta {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        /* ===== Page Hero (分类页 Banner) ===== */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: var(--nav-height);
            background: var(--primary-gradient);
            overflow: hidden;
            isolation: isolate;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.20;
            z-index: 0;
            animation: heroFadeIn 1.2s ease-out;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(74, 0, 224, 0.70) 0%, rgba(142, 45, 226, 0.50) 100%);
            z-index: 1;
        }

        @keyframes heroFadeIn {
            0% {
                opacity: 0;
                transform: scale(1.05);
            }
            100% {
                opacity: 0.20;
                transform: scale(1);
            }
        }

        .page-hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
            max-width: 800px;
        }

        .page-hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }

        .page-hero-content h1 span {
            display: inline-block;
            background: rgba(255, 215, 0, 0.20);
            padding: 0 12px;
            border-radius: var(--radius-sm);
        }

        .page-hero-content .hero-sub {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.90);
            margin-bottom: 12px;
            font-weight: 400;
        }

        .page-hero-content .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        .page-hero-content .hero-badges span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            color: #fff;
            font-weight: 500;
        }

        .page-hero-content .hero-badges span i {
            color: var(--accent);
            font-size: 14px;
        }

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

        .hero-cta-group .btn-primary-custom {
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            background: var(--accent);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.40);
        }

        .hero-cta-group .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.50);
        }

        .hero-cta-group .btn-secondary-custom {
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.40);
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }

        .hero-cta-group .btn-secondary-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.10);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 340px;
            }

            .page-hero-content h1 {
                font-size: 32px;
            }

            .page-hero-content .hero-sub {
                font-size: 17px;
            }

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

            .hero-cta-group .btn-primary-custom,
            .hero-cta-group .btn-secondary-custom {
                padding: 12px 28px;
                font-size: 14px;
            }

            .page-hero-content .hero-badges span {
                font-size: 12px;
                padding: 4px 12px;
            }
        }

        @media (max-width: 576px) {
            .page-hero-content h1 {
                font-size: 26px;
            }
        }

        /* ===== Section 通用 ===== */
        .section-block {
            padding: var(--section-gap-desktop) 0;
        }

        .section-block .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-1);
            background: rgba(74, 0, 224, 0.08);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-block .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-block .section-sub {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: var(--section-gap-tablet) 0;
            }

            .section-block .section-title {
                font-size: 28px;
            }

            .section-block .section-sub {
                font-size: 15px;
                margin-bottom: 28px;
            }
        }

        @media (max-width: 576px) {
            .section-block {
                padding: var(--section-gap-mobile) 0;
            }

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

        /* ===== 核心能力：全屏滚动卡片 ===== */
        .capabilities-section {
            background: var(--bg-white);
        }

        .capabilities-scroll {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .capability-card {
            position: relative;
            min-height: 460px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            align-items: stretch;
            border: 1px solid var(--border-color);
        }

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

        .capability-card .card-visual {
            flex: 0 0 45%;
            overflow: hidden;
            position: relative;
            min-height: 280px;
        }

        .capability-card .card-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .capability-card .card-visual .overlay-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--accent);
            color: var(--text-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
        }

        .capability-card .card-body {
            flex: 1;
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .capability-card .card-body .card-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-gradient);
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            font-size: 24px;
            color: #fff;
        }

        .capability-card .card-body h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .capability-card .card-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 520px;
        }

        .capability-card .card-body .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .capability-card .card-body .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-body);
        }

        .capability-card .card-body .feature-list li i {
            color: var(--primary-2);
            font-size: 14px;
            flex-shrink: 0;
        }

        @media (max-width: 992px) {
            .capability-card {
                flex-direction: column;
                min-height: auto;
            }

            .capability-card .card-visual {
                flex: 0 0 240px;
                min-height: 240px;
            }

            .capability-card .card-body {
                padding: 28px 24px;
            }

            .capability-card .card-body h3 {
                font-size: 22px;
            }
        }

        @media (max-width: 576px) {
            .capability-card .card-visual {
                flex: 0 0 180px;
                min-height: 180px;
            }

            .capability-card .card-body {
                padding: 20px 16px;
            }

            .capability-card .card-body h3 {
                font-size: 19px;
            }
        }

        /* ===== 适用场景 ===== */
        .scenarios-section {
            background: var(--bg-light);
        }

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

        .scenario-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

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

        .scenario-item .scenario-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: rgba(74, 0, 224, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary-1);
            transition: var(--transition);
        }

        .scenario-item:hover .scenario-icon {
            background: var(--primary-gradient);
            color: #fff;
        }

        .scenario-item h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .scenario-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        @media (max-width: 992px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .scenarios-grid {
                grid-template-columns: 1fr;
            }

            .scenario-item {
                padding: 24px 16px;
            }
        }

        /* ===== 服务流程 ===== */
        .process-section {
            background: var(--bg-white);
        }

        .process-timeline {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            position: relative;
            padding: 20px 0;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 60px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary-1), var(--primary-2), var(--accent));
            border-radius: 4px;
            z-index: 0;
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--bg-white);
            padding: 0 8px;
        }

        .process-step .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 16px rgba(74, 0, 224, 0.25);
            transition: var(--transition);
        }

        .process-step:hover .step-num {
            transform: scale(1.08);
            box-shadow: 0 8px 28px rgba(74, 0, 224, 0.35);
        }

        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .process-timeline {
                flex-direction: column;
                gap: 24px;
                padding: 0;
            }

            .process-timeline::before {
                display: none;
            }

            .process-step {
                display: flex;
                align-items: center;
                gap: 20px;
                text-align: left;
                padding: 0;
            }

            .process-step .step-num {
                margin: 0;
                flex-shrink: 0;
                width: 48px;
                height: 48px;
                font-size: 17px;
            }
        }

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

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--card-shadow);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background: rgba(74, 0, 224, 0.02);
        }

        .faq-question span {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .faq-question i {
            font-size: 16px;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-1);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer .answer-inner {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        @media (max-width: 576px) {
            .faq-question {
                padding: 14px 16px;
            }

            .faq-question span {
                font-size: 14px;
            }

            .faq-answer .answer-inner {
                padding: 0 16px 14px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-gradient);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .cta-section .btn-cta {
            display: inline-block;
            padding: 16px 48px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            background: var(--accent);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(255, 215, 0, 0.40);
        }

        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 215, 0, 0.50);
        }

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

        .cta-section .cta-meta {
            margin-top: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.60);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }

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

            .cta-section p {
                font-size: 15px;
            }

            .cta-section .btn-cta {
                padding: 14px 36px;
                font-size: 16px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 60px 0 0;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo i {
            font-size: 24px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.60);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.60);
            transition: var(--transition);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.60);
        }

        .footer-contact li i {
            width: 18px;
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.60);
            font-size: 16px;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--accent);
            color: var(--text-dark);
            transform: translateY(-2px);
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            font-size: 18px;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(74, 0, 224, 0.30);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(74, 0, 224, 0.40);
        }

        @media (max-width: 576px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 16px;
            }
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary-start: #4A00E0;
            --primary-end: #8E2DE2;
            --primary-gradient: linear-gradient(135deg, #4A00E0 0%, #8E2DE2 100%);
            --accent: #FFD700;
            --accent-hover: #e6c200;
            --bg-light: #F8F9FA;
            --card-bg: #FFFFFF;
            --text-dark: #1a1a2e;
            --text-body: #2d2d44;
            --text-muted: #6b6b80;
            --border-light: rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --radius-card: 16px;
            --radius-btn: 8px;
            --radius-input: 6px;
            --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --nav-height: 56px;
            --container-max: 1200px;
            --section-gap-desktop: 80px;
            --section-gap-tablet: 60px;
            --section-gap-mobile: 40px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg-light);
            color: var(--text-body);
            line-height: 1.6;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--text-dark);
            margin-top: 0;
        }

        a {
            color: var(--primary-start);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-end);
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 0px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 8px 12px;
            margin-right: 8px;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-start);
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo i {
            font-size: 24px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-logo:hover {
            color: var(--primary-end);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 32px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 6px;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links a:hover {
            background: rgba(74, 0, 224, 0.06);
            color: var(--primary-start);
        }
        .nav-links a.active {
            background: var(--primary-gradient);
            color: #fff;
        }
        .nav-links a.active:hover {
            color: #fff;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(0, 0, 0, 0.04);
            border-radius: var(--radius-input);
            padding: 0 12px;
            height: 36px;
            min-width: 180px;
            transition: background 0.2s, box-shadow 0.2s;
        }
        .nav-search:focus-within {
            background: #fff;
            box-shadow: 0 0 0 2px var(--primary-start);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            color: var(--text-dark);
            width: 100%;
            height: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-cta {
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            padding: 8px 22px;
            border-radius: var(--radius-btn);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: opacity 0.2s, transform 0.15s;
            white-space: nowrap;
        }
        .nav-cta:hover {
            opacity: 0.92;
            transform: translateY(-1px);
        }
        .nav-cta:active {
            transform: scale(0.97);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 100px 0 80px;
            margin-top: var(--nav-height);
            background: linear-gradient(135deg, rgba(74, 0, 224, 0.85) 0%, rgba(142, 45, 226, 0.70) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 0 20px;
        }
        .hero-section h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .hero-section .hero-sub {
            font-size: 20px;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .hero-section .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--text-dark);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-actions .btn-primary-custom {
            background: var(--accent);
            color: var(--text-dark);
            border: none;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s, box-shadow 0.3s;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }
        .hero-actions .btn-primary-custom:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
        }
        .hero-actions .btn-secondary-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, border-color 0.3s, transform 0.15s;
        }
        .hero-actions .btn-secondary-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: var(--section-gap-desktop) 0;
        }
        .section-block:nth-child(even) {
            background: #fff;
        }
        .section-title {
            text-align: center;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }
        .section-subtitle {
            text-align: center;
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }

        /* ===== Timeline ===== */
        .timeline-wrapper {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px 0;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 40px;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, var(--primary-start), var(--primary-end), var(--accent));
            border-radius: 4px;
        }
        .timeline-item {
            display: flex;
            gap: 28px;
            margin-bottom: 48px;
            position: relative;
            padding-left: 0;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-icon {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(74, 0, 224, 0.30);
            position: relative;
            z-index: 2;
            border: 4px solid #fff;
        }
        .timeline-icon .step-num {
            position: absolute;
            top: -8px;
            right: -8px;
            background: var(--accent);
            color: var(--text-dark);
            font-size: 12px;
            font-weight: 800;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .timeline-content {
            flex: 1;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s, transform 0.2s;
        }
        .timeline-content:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .timeline-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .timeline-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .timeline-content .tag {
            display: inline-block;
            background: rgba(74, 0, 224, 0.08);
            color: var(--primary-start);
            font-size: 12px;
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        /* ===== Solution Cards ===== */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            padding: 36px 28px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s, transform 0.25s;
        }
        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .solution-card .s-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: #fff;
            margin: 0 auto 18px;
            box-shadow: 0 4px 12px rgba(74, 0, 224, 0.25);
        }
        .solution-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-dark);
        }
        .solution-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Case Cards ===== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.3s, transform 0.25s;
        }
        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .case-card .case-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .case-card .case-body {
            padding: 20px 24px 24px;
        }
        .case-card .case-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.20);
            color: #8a6d00;
            font-size: 12px;
            padding: 2px 14px;
            border-radius: 50px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .case-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .case-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .case-card .case-metric {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .case-card .case-metric span {
            font-size: 13px;
            color: var(--text-body);
            font-weight: 500;
        }
        .case-card .case-metric i {
            color: var(--primary-start);
            margin-right: 4px;
        }
        .case-card .case-metric strong {
            color: var(--primary-start);
            font-weight: 700;
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow 0.2s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: rgba(74, 0, 224, 0.03);
        }
        .faq-question i {
            transition: transform 0.3s;
            color: var(--primary-start);
            font-size: 14px;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-gradient);
            padding: 72px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 14px 20px;
            border: none;
            border-radius: 50px;
            font-size: 15px;
            outline: none;
            background: rgba(255, 255, 255, 0.95);
            color: var(--text-dark);
        }
        .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .cta-form button {
            background: var(--accent);
            color: var(--text-dark);
            border: none;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s, box-shadow 0.3s;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
        }
        .cta-form button:active {
            transform: scale(0.97);
        }
        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.70);
            margin-top: 18px;
        }

        /* ===== Stats Bar ===== */
        .stats-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 28px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stats-item .stat-num {
            font-size: 32px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stats-item .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #2C3E50;
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-contact li i {
            color: var(--accent);
            width: 16px;
            margin-top: 3px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.50);
        }
        .footer-bottom p {
            margin: 0;
        }
        .social-links {
            display: flex;
            gap: 16px;
        }
        .social-links a {
            color: rgba(255, 255, 255, 0.50);
            font-size: 18px;
            transition: color 0.2s;
        }
        .social-links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                border-bottom: 1px solid var(--border-light);
                margin-left: 0;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
                border-radius: 8px;
            }
            .nav-search {
                min-width: 120px;
            }
            .hero-section h1 {
                font-size: 34px;
            }
            .hero-section .hero-sub {
                font-size: 17px;
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-block {
                padding: var(--section-gap-tablet) 0;
            }
            .section-title {
                font-size: 28px;
            }
            .timeline-wrapper::before {
                left: 30px;
            }
            .timeline-icon {
                width: 60px;
                height: 60px;
                font-size: 22px;
            }
            .timeline-icon .step-num {
                width: 24px;
                height: 24px;
                font-size: 11px;
                top: -6px;
                right: -6px;
            }
            .timeline-content {
                padding: 18px 20px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                padding: 0 12px;
            }
            .nav-search {
                min-width: 80px;
            }
            .nav-search input {
                width: 60px;
            }
            .hero-section {
                min-height: 400px;
                padding: 80px 0 60px;
            }
            .hero-section h1 {
                font-size: 28px;
            }
            .hero-section .hero-sub {
                font-size: 15px;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-secondary-custom {
                padding: 12px 24px;
                font-size: 14px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .case-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-item .stat-num {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-block {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
            .timeline-item {
                gap: 16px;
            }
            .timeline-icon {
                width: 48px;
                height: 48px;
                font-size: 18px;
                flex-shrink: 0;
            }
            .timeline-icon .step-num {
                width: 20px;
                height: 20px;
                font-size: 10px;
                top: -4px;
                right: -4px;
            }
            .timeline-wrapper::before {
                left: 24px;
            }
            .timeline-content h3 {
                font-size: 17px;
            }
            .timeline-content p {
                font-size: 14px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
            .cta-form button {
                width: 100%;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo i {
                font-size: 20px;
            }
            .nav-search {
                min-width: 40px;
                padding: 0 8px;
            }
            .nav-search input {
                width: 40px;
            }
            .hero-section h1 {
                font-size: 24px;
            }
            .hero-section .hero-sub {
                font-size: 14px;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-secondary-custom {
                padding: 10px 20px;
                font-size: 13px;
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .timeline-content {
                padding: 14px 16px;
            }
            .timeline-content h3 {
                font-size: 16px;
            }
            .case-card .case-body {
                padding: 16px 18px 20px;
            }
        }