/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0A6E5E;
            --primary-dark: #08584B;
            --primary-light: #1A8A78;
            --secondary: #E8753A;
            --secondary-dark: #D4641E;
            --secondary-light: #F58B4A;
            --accent: #F5A623;
            --bg: #FBF8F4;
            --card-bg: #FFFFFF;
            --text: #2D2D2D;
            --text-light: #6B6B6B;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
            --tab-height: 60px;
            --container-max: 1200px;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-en: "Inter", "Segoe UI", sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-cn); color: var(--text); }
        p { color: var(--text); line-height: 1.9; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; }
        .section-padding { padding: 5rem 0; }
        @media (max-width: 640px) { .section-padding { padding: 2.5rem 0; } }

        /* ===== Typography ===== */
        h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
        h2 { font-size: 1.8rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.4; }
        h3 { font-size: 1.4rem; font-weight: 600; line-height: 1.5; }
        h4 { font-size: 1.15rem; font-weight: 600; line-height: 1.5; }
        p { font-size: 1rem; font-weight: 400; line-height: 1.9; margin-bottom: 1.5em; }
        .text-small { font-size: 0.85rem; color: var(--text-light); line-height: 1.6; }
        .text-muted { color: var(--text-light); }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { color: var(--primary); position: relative; display: inline-block; }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--secondary);
            margin: 0.75rem auto 0;
            border-radius: 2px;
        }
        .section-title p { max-width: 680px; margin: 1rem auto 0; color: var(--text-light); font-size: 1.05rem; }

        /* ===== Header / Navigation (Desktop) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            background: var(--primary);
            box-shadow: 0 2px 16px rgba(0,0,0,0.12);
            z-index: 1000;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--text-white);
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            font-family: var(--font-cn);
        }
        .site-logo i { font-size: 1.8rem; color: var(--secondary); }
        .site-logo span { color: var(--text-white); }
        .site-logo:hover { color: var(--text-white); opacity: 0.9; }
        .main-nav { display: flex; align-items: center; gap: 0.25rem; }
        .main-nav a {
            color: rgba(255,255,255,0.85);
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover { color: var(--text-white); background: rgba(255,255,255,0.10); }
        .main-nav a.active { color: var(--text-white); }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .nav-cta {
            background: var(--secondary) !important;
            color: var(--text-white) !important;
            padding: 0.6rem 1.5rem !important;
            border-radius: var(--radius-sm) !important;
            font-weight: 600 !important;
            margin-left: 0.5rem;
        }
        .nav-cta:hover { background: var(--secondary-dark) !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(232,117,58,0.35); }
        .nav-cta::after { display: none !important; }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: var(--tab-height);
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            z-index: 1100;
            box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
        }
        .mobile-bottom-tab .tab-grid {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            padding: 0 8px;
        }
        .mobile-bottom-tab .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            padding: 4px 12px;
            color: var(--text-light);
            font-size: 0.7rem;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            cursor: pointer;
            min-width: 56px;
        }
        .mobile-bottom-tab .tab-item i { font-size: 1.2rem; transition: var(--transition); }
        .mobile-bottom-tab .tab-item span { font-size: 0.65rem; line-height: 1.2; }
        .mobile-bottom-tab .tab-item:hover { color: var(--primary); background: rgba(10,110,94,0.06); }
        .mobile-bottom-tab .tab-item.active { color: var(--primary); }
        .mobile-bottom-tab .tab-item.active i { color: var(--primary); }
        .mobile-bottom-tab .tab-item.tab-cta {
            background: var(--secondary);
            color: var(--text-white);
            padding: 4px 16px;
            border-radius: 20px;
        }
        .mobile-bottom-tab .tab-item.tab-cta i { color: var(--text-white); }
        .mobile-bottom-tab .tab-item.tab-cta:hover { background: var(--secondary-dark); }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(10,110,94,0.92) 0%, rgba(8,88,75,0.88) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: var(--text-white);
            overflow: hidden;
            margin-top: 0;
        }
        .hero::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; padding: 4rem 20px 5rem; }
        .hero-content { max-width: 780px; }
        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .hero h1 .highlight { color: var(--secondary); }
        .hero .subtitle {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 620px;
            font-weight: 400;
        }
        .hero .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--secondary);
            color: var(--text-white);
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(232,117,58,0.35);
        }
        .hero .hero-cta:hover { background: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232,117,58,0.45); }
        .hero .hero-cta i { font-size: 1rem; transition: var(--transition); }
        .hero .hero-cta:hover i { transform: translateX(4px); }
        .hero-stats-row {
            display: flex;
            gap: 2rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }
        .hero-stats-row .stat-item {
            color: rgba(255,255,255,0.9);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .hero-stats-row .stat-item i { color: var(--secondary); font-size: 1rem; }
        .hero-stats-row .stat-item strong { color: var(--text-white); font-size: 1.2rem; }

        @media (max-width: 640px) {
            .hero { min-height: 420px; }
            .hero .container { padding: 2.5rem 20px 3rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero .subtitle { font-size: 1rem; }
            .hero .hero-cta { padding: 0.8rem 1.8rem; font-size: 1rem; width: 100%; justify-content: center; }
            .hero-stats-row { gap: 1rem; justify-content: center; }
            .hero-stats-row .stat-item { font-size: 0.8rem; }
        }

        /* ===== Solution Cards Section ===== */
        .solutions { background: var(--bg); }
        .solution-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
        }
        .solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .solution-card .card-icon {
            width: 64px;
            height: 64px;
            background: rgba(10,110,94,0.08);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .solution-card:hover .card-icon { background: var(--primary); color: var(--text-white); }
        .solution-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.6rem; color: var(--text); }
        .solution-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; margin-bottom: 1.25rem; flex: 1; }
        .solution-card .card-link {
            color: var(--primary);
            font-weight: 500;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .solution-card .card-link:hover { color: var(--secondary); }
        .solution-card .card-link i { font-size: 0.8rem; transition: var(--transition); }
        .solution-card .card-link:hover i { transform: translateX(4px); }

        @media (max-width: 640px) {
            .solution-card { padding: 1.5rem 1.25rem; }
            .solution-card .card-icon { width: 52px; height: 52px; font-size: 1.4rem; }
        }

        /* ===== Success Data Section ===== */
        .success-data {
            background: #F0F7F5;
            position: relative;
        }
        .success-data::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
        }
        .data-grid { text-align: center; }
        .data-item { padding: 1.5rem; }
        .data-item .number {
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
            font-family: var(--font-en);
        }
        .data-item .number .suffix { font-size: 1.8rem; color: var(--secondary); }
        .data-item .label {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            margin-top: 0.5rem;
        }
        .data-item .desc {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 0.25rem;
        }

        @media (max-width: 640px) {
            .data-item .number { font-size: 2.5rem; }
            .data-item .number .suffix { font-size: 1.3rem; }
        }

        /* ===== Latest News / CMS Section ===== */
        .news-section { background: var(--bg); }
        .news-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border);
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .news-card .news-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #E8F0ED;
        }
        .news-card .news-body { padding: 1.25rem 1.5rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
        .news-card .news-tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-white);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }
        .news-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; line-height: 1.4; }
        .news-card h3 a { color: var(--text); }
        .news-card h3 a:hover { color: var(--primary); }
        .news-card .news-summary {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0.75rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 0.75rem;
            margin-top: auto;
        }
        .news-card .news-meta .date { display: flex; align-items: center; gap: 0.3rem; }
        .news-card .news-meta .date i { font-size: 0.75rem; }
        .news-card .news-meta .read-more { color: var(--primary); font-weight: 500; }
        .news-card .news-meta .read-more:hover { color: var(--secondary); }
        .news-empty {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-light);
            font-size: 1rem;
        }
        .news-empty i { font-size: 3rem; color: var(--border); margin-bottom: 1rem; display: block; }

        @media (max-width: 640px) {
            .news-card .news-img { height: 150px; }
            .news-card .news-body { padding: 1rem 1.15rem 1.25rem; }
        }

        /* ===== FAQ Section ===== */
        .faq-section { background: #F0F7F5; }
        .faq-section .accordion { background: transparent; border: none; }
        .faq-section .accordion-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-section .accordion-item:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
        .faq-section .accordion-title {
            padding: 1.15rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--card-bg);
            border: none;
            border-radius: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-section .accordion-title::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            color: var(--secondary);
            font-size: 1rem;
        }
        .faq-section .accordion-title:hover { background: rgba(10,110,94,0.04); }
        .faq-section .accordion-title[aria-expanded="true"] { background: rgba(10,110,94,0.06); }
        .faq-section .accordion-content {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            background: var(--card-bg);
        }
        .faq-section .accordion-content p { margin-bottom: 0; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #08584B 100%);
            color: var(--text-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255,255,255,0.03);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(232,117,58,0.08);
            border-radius: 50%;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: var(--text-white); font-size: 2rem; font-weight: 700; }
        .cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 600px; margin: 0.75rem auto 1.5rem; }
        .cta-section .cta-button {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--secondary);
            color: var(--text-white);
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(232,117,58,0.35);
        }
        .cta-section .cta-button:hover { background: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232,117,58,0.45); }
        .cta-section .cta-button i { transition: var(--transition); }
        .cta-section .cta-button:hover i { transform: translateX(4px); }

        @media (max-width: 640px) {
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section p { font-size: 0.95rem; }
            .cta-section .cta-button { width: 100%; justify-content: center; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #2D2D2D;
            color: rgba(255,255,255,0.8);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer h4 { color: var(--text-white); font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }
        .site-footer p, .site-footer a { color: rgba(255,255,255,0.65); font-size: 0.9rem; line-height: 1.8; }
        .site-footer a:hover { color: var(--secondary); }
        .site-footer .footer-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.3rem; font-weight: 700; color: var(--text-white); margin-bottom: 0.75rem; }
        .site-footer .footer-logo i { color: var(--secondary); font-size: 1.5rem; }
        .site-footer .footer-links { display: flex; flex-direction: column; gap: 0.4rem; }
        .site-footer .footer-social { display: flex; gap: 0.75rem; margin-top: 0.75rem; }
        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover { background: var(--secondary); color: var(--text-white); transform: translateY(-2px); }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.25rem;
            margin-top: 2rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.5); }
        .site-footer .footer-bottom a:hover { color: var(--secondary); }

        @media (max-width: 640px) {
            .site-footer { padding: 2.5rem 0 5.5rem; }
            .site-footer .cell { margin-bottom: 1.5rem; }
        }

        /* ===== Reveal Modal Overrides ===== */
        .reveal-modal-custom {
            border-radius: var(--radius-lg);
            padding: 2rem;
            max-width: 560px;
            border: none;
            box-shadow: var(--shadow-lg);
        }
        .reveal-modal-custom h2 { font-size: 1.5rem; color: var(--primary); margin-bottom: 0.5rem; }
        .reveal-modal-custom p.desc { font-size: 0.9rem; color: var(--text-light); margin-bottom: 1.5rem; }
        .reveal-modal-custom label { font-size: 0.9rem; font-weight: 500; color: var(--text); margin-bottom: 0.3rem; }
        .reveal-modal-custom input,
        .reveal-modal-custom textarea {
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--border);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            transition: var(--transition);
            background: var(--bg);
            font-family: var(--font-cn);
        }
        .reveal-modal-custom input:focus,
        .reveal-modal-custom textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10,110,94,0.12);
            outline: none;
            background: var(--card-bg);
        }
        .reveal-modal-custom textarea { min-height: 100px; resize: vertical; }
        .reveal-modal-custom .submit-btn {
            background: var(--secondary);
            color: var(--text-white);
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            width: 100%;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 0.5rem;
        }
        .reveal-modal-custom .submit-btn:hover { background: var(--secondary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(232,117,58,0.3); }
        .reveal-modal-custom .privacy-note {
            font-size: 0.75rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 0.75rem;
            line-height: 1.5;
        }
        .reveal-modal-custom .close-button { color: var(--text-light); transition: var(--transition); }
        .reveal-modal-custom .close-button:hover { color: var(--secondary); }

        /* ===== Responsive Overrides ===== */
        @media (max-width: 1024px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.2rem; }
            .hero h1 { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            body { padding-top: 60px; }
            .site-header { height: 60px; }
            .site-logo { font-size: 1.15rem; }
            .site-logo i { font-size: 1.4rem; }
            .main-nav { display: none; }
            .mobile-bottom-tab { display: block; }
            .hero h1 { font-size: 1.6rem; }
            .hero .subtitle { font-size: 0.95rem; }
            .section-title { margin-bottom: 2rem; }
            .section-title h2 { font-size: 1.3rem; }
        }

        @media (max-width: 640px) {
            .hero { min-height: 380px; }
            .hero .container { padding: 2rem 16px 2.5rem; }
            .hero h1 { font-size: 1.4rem; }
            .hero .subtitle { font-size: 0.9rem; margin-bottom: 1.25rem; }
            .hero .hero-cta { padding: 0.7rem 1.5rem; font-size: 0.95rem; }
            .hero-stats-row { gap: 0.75rem; margin-top: 1.5rem; }
            .hero-stats-row .stat-item { font-size: 0.75rem; }
            .hero-stats-row .stat-item strong { font-size: 1rem; }
            .container { padding: 0 16px; }
            .section-padding { padding: 2rem 0; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .mt-4 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2rem; }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }

        /* Foundation XY Grid tweaks */
        .grid-x { margin-left: -0.625rem; margin-right: -0.625rem; }
        .grid-x > .cell { padding-left: 0.625rem; padding-right: 0.625rem; }
        @media (max-width: 640px) {
            .grid-x { margin-left: -0.5rem; margin-right: -0.5rem; }
            .grid-x > .cell { padding-left: 0.5rem; padding-right: 0.5rem; }
        }

        /* Section divider */
        .section-divider { height: 1px; background: var(--border); margin: 0; border: none; }

        /* Focus visible for accessibility */
        button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 2px;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0A6E5E;
            --primary-dark: #085a4d;
            --primary-light: #e8f5f2;
            --secondary: #E8753A;
            --secondary-dark: #d4641e;
            --secondary-light: #fdf0e8;
            --accent: #F5A623;
            --bg: #FBF8F4;
            --bg-card: #FFFFFF;
            --bg-dark: #2D2D2D;
            --bg-light-green: #F0F7F5;
            --text: #2D2D2D;
            --text-light: #6B6B6B;
            --text-white: #FFFFFF;
            --border: #E5E0D8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
            --transition: 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-en: "Inter", "Segoe UI", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --footer-bg: #2D2D2D;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover, a:focus { color: var(--secondary); }
        a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }

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

        /* ===== Typography ===== */
        h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; color: var(--primary); }
        h2 { font-size: 1.8rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.4; color: var(--primary); }
        h3 { font-size: 1.4rem; font-weight: 600; line-height: 1.5; color: var(--text); }
        p { font-size: 1rem; font-weight: 400; line-height: 1.8; margin-bottom: 1.5em; color: var(--text); }
        .text-small { font-size: 0.85rem; font-weight: 400; line-height: 1.6; color: var(--text-light); }
        .text-white { color: var(--text-white); }

        @media (max-width: 640px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            h3 { font-size: 1.2rem; }
            p { font-size: 0.95rem; }
        }

        /* ===== Header / Navigation (Desktop) ===== */
        .site-header {
            background: var(--primary);
            height: var(--header-height);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-white);
            font-size: 1.4rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        .site-logo i { font-size: 1.6rem; color: var(--accent); }
        .site-logo:hover { color: var(--text-white); opacity: 0.9; }
        .site-logo span { font-family: var(--font-sans); }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: rgba(255,255,255,0.85);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.4rem 0;
            position: relative;
            transition: color var(--transition);
        }
        .main-nav a:hover { color: var(--text-white); }
        .main-nav a.active {
            color: var(--text-white);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .main-nav a.nav-cta {
            background: var(--secondary);
            color: var(--text-white);
            padding: 0.6rem 1.5rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: background var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a.nav-cta:hover { background: var(--secondary-dark); color: var(--text-white); }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 56px;
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            z-index: 1100;
            justify-content: space-around;
            align-items: center;
            padding: 0 8px;
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            color: var(--text-light);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: color var(--transition);
            min-width: 60px;
        }
        .mobile-bottom-tab a i { font-size: 1.2rem; }
        .mobile-bottom-tab a.active { color: var(--primary); font-weight: 600; }
        .mobile-bottom-tab a:hover { color: var(--primary); }

        @media (max-width: 640px) {
            .site-header .main-nav { display: none; }
            .mobile-bottom-tab { display: flex; }
            .site-header { height: 56px; }
            .site-logo { font-size: 1.1rem; }
            .site-logo i { font-size: 1.2rem; }
            body { padding-bottom: 56px; }
        }

        /* ===== Hero Section (Page Banner) ===== */
        .page-hero {
            background: linear-gradient(135deg, rgba(10,110,94,0.92) 0%, rgba(10,110,94,0.75) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 360px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 4rem 20px;
            position: relative;
        }
        .page-hero h1 {
            color: var(--text-white);
            font-size: 2.8rem;
            margin-bottom: 0.8rem;
            text-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }
        .page-hero p {
            color: rgba(255,255,255,0.9);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }
        .page-hero .hero-cta {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-white);
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .page-hero .hero-cta:hover { background: var(--secondary-dark); transform: translateY(-2px); color: var(--text-white); }

        @media (max-width: 640px) {
            .page-hero { min-height: 280px; padding: 3rem 16px; }
            .page-hero h1 { font-size: 2rem; }
            .page-hero p { font-size: 1rem; }
            .page-hero .hero-cta { padding: 0.7rem 1.8rem; font-size: 1rem; }
        }

        /* ===== Sections Common ===== */
        .section { padding: 4.5rem 0; }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { margin-bottom: 0.5rem; }
        .section-title p { max-width: 640px; margin: 0 auto; color: var(--text-light); }
        @media (max-width: 640px) { .section { padding: 2.5rem 0; } }

        /* ===== Feature Blocks (左图右文交错) ===== */
        .feature-block {
            display: flex;
            align-items: center;
            gap: 3rem;
            padding: 2rem 0;
        }
        .feature-block.reverse { flex-direction: row-reverse; }
        .feature-block .feature-image {
            flex: 0 0 48%;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .feature-block .feature-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.4s ease;
        }
        .feature-block .feature-image:hover img { transform: scale(1.03); }
        .feature-block .feature-content {
            flex: 1;
        }
        .feature-block .feature-content h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .feature-block .feature-content p {
            margin-bottom: 1.2rem;
            color: var(--text);
            line-height: 1.8;
        }
        .feature-block .feature-content ul {
            list-style: none;
            padding: 0;
            margin-bottom: 1.2rem;
        }
        .feature-block .feature-content ul li {
            padding: 0.4rem 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 1rem;
            color: var(--text);
        }
        .feature-block .feature-content ul li i {
            color: var(--secondary);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            transition: gap var(--transition);
        }
        .feature-link:hover { gap: 12px; color: var(--secondary); }

        @media (max-width: 768px) {
            .feature-block { flex-direction: column !important; gap: 1.5rem; }
            .feature-block .feature-image { flex: 0 0 100%; }
            .feature-block .feature-content h3 { font-size: 1.3rem; }
        }

        /* ===== Stats / Data Section ===== */
        .stats-section {
            background: var(--bg-light-green);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stats-grid .stat-item {}
        .stats-grid .stat-number {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 0.3rem;
        }
        .stats-grid .stat-label {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.2rem;
        }
        .stats-grid .stat-desc {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
            .stats-grid .stat-number { font-size: 2.4rem; }
        }
        @media (max-width: 480px) {
            .stats-grid { grid-template-columns: 1fr; gap: 1.2rem; }
        }

        /* ===== Process / Timeline ===== */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            justify-content: center;
            counter-reset: step-counter;
        }
        .process-step {
            flex: 0 0 calc(25% - 1.5rem);
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }
        .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 auto 1rem;
        }
        .process-step h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text); }
        .process-step p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }

        @media (max-width: 1024px) {
            .process-step { flex: 0 0 calc(50% - 1rem); }
        }
        @media (max-width: 640px) {
            .process-step { flex: 0 0 100%; }
        }

        /* ===== Cards Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .card-item .card-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            color: var(--primary);
            font-size: 1.4rem;
        }
        .card-item h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.6rem; }
        .card-item p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0.8rem; line-height: 1.6; }
        .card-item .card-link { font-weight: 600; font-size: 0.9rem; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
        .card-item .card-link:hover { color: var(--secondary); gap: 8px; }

        @media (max-width: 768px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
        }
        @media (max-width: 480px) {
            .card-grid { grid-template-columns: 1fr; gap: 1rem; }
        }

        /* ===== FAQ Accordion ===== */
        .faq-section { background: var(--bg-card); }
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 1.2rem 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            user-select: none;
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
            font-size: 1.2rem;
        }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
        }
        .faq-answer.open { max-height: 400px; padding-top: 0.8rem; }
        .faq-answer p { margin-bottom: 0; color: var(--text); line-height: 1.8; }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #085a4d 100%);
            text-align: center;
            padding: 4rem 20px;
        }
        .cta-section h2 { color: var(--text-white); margin-bottom: 0.8rem; }
        .cta-section p { color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 2rem; }
        .cta-section .cta-btn {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-white);
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .cta-section .cta-btn:hover { background: var(--secondary-dark); transform: translateY(-2px); color: var(--text-white); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255,255,255,0.85);
            padding: 3.5rem 0 1.8rem;
        }
        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .site-footer .footer-logo i { color: var(--accent); font-size: 1.5rem; }
        .site-footer p { color: rgba(255,255,255,0.7); font-size: 0.9rem; line-height: 1.7; margin-bottom: 0.6rem; }
        .site-footer .text-small { color: rgba(255,255,255,0.55); font-size: 0.8rem; }
        .site-footer h4 { color: var(--text-white); font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
        .footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
        .footer-links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: color var(--transition); }
        .footer-links a:hover { color: var(--secondary); }
        .footer-social { display: flex; gap: 14px; margin-top: 0.8rem; }
        .footer-social a {
            width: 40px; height: 40px;
            background: rgba(255,255,255,0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            font-size: 1.1rem;
            transition: background var(--transition), color var(--transition);
        }
        .footer-social a:hover { background: var(--secondary); color: var(--text-white); }
        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.08);
            text-align: center;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
            margin-bottom: 0;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        @media (max-width: 640px) {
            .site-footer .grid-x .cell { margin-bottom: 1.5rem; }
            .site-footer { padding: 2.5rem 0 1.5rem; }
            .footer-social { justify-content: center; }
            .footer-links { align-items: center; }
            .site-footer .footer-logo { justify-content: center; }
        }

        /* ===== Foundation Overrides ===== */
        .reveal-overlay { background: rgba(0,0,0,0.55); }
        .reveal { border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,0.2); padding: 2rem; max-width: 560px; }
        .reveal h2 { font-size: 1.6rem; margin-bottom: 0.5rem; }
        .reveal p.text-small { margin-bottom: 1.2rem; }
        .reveal label { font-weight: 500; color: var(--text); margin-bottom: 0.3rem; }
        .reveal input, .reveal textarea {
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--border);
            padding: 0.7rem 1rem;
            transition: border-color var(--transition);
            width: 100%;
            margin-bottom: 1rem;
        }
        .reveal input:focus, .reveal textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10,110,94,0.12);
            outline: none;
        }
        .reveal .submit-btn {
            background: var(--secondary);
            color: var(--text-white);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition);
            width: 100%;
        }
        .reveal .submit-btn:hover { background: var(--secondary-dark); }
        .reveal .privacy-note { font-size: 0.75rem; color: var(--text-light); text-align: center; margin-top: 0.8rem; }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0A6E5E;
            --primary-dark: #085A4D;
            --primary-light: #E8F5F2;
            --accent: #E8753A;
            --accent-dark: #D4641E;
            --accent-light: #FFF0E8;
            --gold: #F5A623;
            --bg: #FBF8F4;
            --white: #FFFFFF;
            --text: #2D2D2D;
            --text-muted: #6B6B6B;
            --border: #E5E0D8;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --transition: 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Segoe UI", sans-serif;
            --nav-height: 72px;
            --container-max: 1200px;
            --gap: 2rem;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text); font-weight: 600; }

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

        /* ===== 头部导航 ===== */
        .site-header {
            background: var(--primary);
            height: var(--nav-height);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(0,0,0,0.12);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: var(--white);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        .site-logo i { font-size: 1.6rem; color: var(--gold); }
        .site-logo span { color: var(--white); }
        .site-logo:hover { color: var(--white); opacity: 0.9; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 1.8rem;
        }
        .main-nav a {
            color: rgba(255,255,255,0.85);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.3rem 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .main-nav a:hover { color: var(--white); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--white); }
        .main-nav a.active::after { width: 100%; }
        .main-nav .nav-cta {
            background: var(--accent);
            color: var(--white);
            padding: 0.55rem 1.6rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav .nav-cta:hover { background: var(--accent-dark); color: var(--white); }
        .main-nav .nav-cta::after { display: none; }

        /* ===== 移动端底部 Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: var(--white);
            border-top: 1px solid var(--border);
            z-index: 200;
            box-shadow: 0 -2px 12px rgba(0,0,0,0.05);
        }
        .mobile-bottom-tab .tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 600px;
            margin: 0 auto;
        }
        .mobile-bottom-tab .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            color: var(--text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-bottom-tab .tab-item i { font-size: 1.2rem; }
        .mobile-bottom-tab .tab-item.active { color: var(--primary); }
        .mobile-bottom-tab .tab-item:hover { background: var(--primary-light); color: var(--primary); }

        /* ===== 面包屑 ===== */
        .breadcrumbs-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 0.8rem 0;
        }
        .breadcrumbs-wrap .breadcrumbs {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumbs-wrap .breadcrumbs a { color: var(--text-muted); }
        .breadcrumbs-wrap .breadcrumbs a:hover { color: var(--primary); }
        .breadcrumbs-wrap .breadcrumbs .current { color: var(--text); font-weight: 500; }
        .breadcrumbs-wrap .breadcrumbs .divider { color: var(--border); }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 3rem 0 4rem;
        }
        .article-header {
            margin-bottom: 2.5rem;
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem 2rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border);
            padding-bottom: 1rem;
        }
        .article-meta i { margin-right: 0.4rem; color: var(--primary); }
        .article-meta .category-tag {
            background: var(--accent-light);
            color: var(--accent-dark);
            padding: 0.2rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .article-content {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content h2 { font-size: 1.6rem; margin: 2rem 0 1rem; color: var(--primary); }
        .article-content h3 { font-size: 1.3rem; margin: 1.6rem 0 0.8rem; }
        .article-content p { margin-bottom: 1.5em; }
        .article-content img {
            border-radius: var(--radius);
            margin: 1.5rem auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text);
            font-style: italic;
        }
        .article-content ul, .article-content ol {
            margin: 1rem 0 1.5rem 1.5rem;
        }
        .article-content ul li { list-style: disc; margin-bottom: 0.4rem; }
        .article-content ol li { list-style: decimal; margin-bottom: 0.4rem; }
        .article-content a { color: var(--primary); font-weight: 500; border-bottom: 1px solid transparent; }
        .article-content a:hover { border-bottom-color: var(--accent); color: var(--accent); }

        /* ===== 相关推荐 ===== */
        .related-section {
            background: var(--white);
            padding: 2.5rem 0;
            border-top: 1px solid var(--border);
        }
        .related-section h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 1.2rem 1.5rem;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .related-card .related-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 0.5rem;
            display: block;
        }
        .related-card .related-title:hover { color: var(--accent); }
        .related-card .related-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .related-card .related-cat {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.7rem;
            padding: 0.1rem 0.6rem;
            border-radius: 10px;
            margin-bottom: 0.4rem;
        }

        /* ===== 返回入口 ===== */
        .back-entry {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .back-entry a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 500;
            color: var(--primary);
        }
        .back-entry a:hover { color: var(--accent); }

        /* ===== 空态 ===== */
        .not-found-box {
            text-align: center;
            padding: 5rem 2rem;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        .not-found-box i { font-size: 3rem; color: var(--border); margin-bottom: 1rem; }
        .not-found-box h2 { font-size: 1.5rem; color: var(--text-muted); margin-bottom: 0.8rem; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 1.5rem; }
        .not-found-box .btn-primary {
            display: inline-block;
            background: var(--primary);
            color: var(--white);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
        }
        .not-found-box .btn-primary:hover { background: var(--accent); color: var(--white); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #2D2D2D;
            color: rgba(255,255,255,0.85);
            padding: 3.5rem 0 2rem;
            margin-bottom: 0;
        }
        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-logo i { color: var(--gold); font-size: 1.5rem; }
        .site-footer h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .site-footer p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.7); margin-bottom: 0.6rem; }
        .site-footer .text-small { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
        .site-footer .text-small i { margin-right: 0.3rem; }
        .site-footer .footer-links { display: flex; flex-direction: column; gap: 0.6rem; }
        .site-footer .footer-links a { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
        .site-footer .footer-links a:hover { color: var(--accent); }
        .site-footer .footer-social { display: flex; gap: 1rem; margin-top: 0.8rem; }
        .site-footer .footer-social a {
            color: rgba(255,255,255,0.7);
            font-size: 1.3rem;
            transition: var(--transition);
        }
        .site-footer .footer-social a:hover { color: var(--accent); transform: scale(1.1); }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2rem;
            padding-top: 1.5rem;
            text-align: center;
        }
        .site-footer .footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.6); }
        .site-footer .footer-bottom a:hover { color: var(--accent); }

        /* ===== 按钮通用 ===== */
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover { background: var(--accent); color: var(--white); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
            padding: 0.7rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-accent:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 0.6rem 2rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover { background: var(--primary); color: var(--white); }

        /* ===== Reveal 弹层 ===== */
        .reveal-overlay { background: rgba(0,0,0,0.55); }
        .consult-modal {
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            max-width: 540px;
            background: var(--white);
        }
        .consult-modal h2 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .consult-modal label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 0.3rem;
            display: block;
        }
        .consult-modal input,
        .consult-modal textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font-sans);
            transition: var(--transition);
            margin-bottom: 1rem;
        }
        .consult-modal input:focus,
        .consult-modal textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10,110,94,0.12);
        }
        .consult-modal textarea { min-height: 90px; resize: vertical; }
        .consult-modal .privacy-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-align: center;
            margin-top: 0.8rem;
        }

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

        @media (max-width: 768px) {
            .site-header { height: 60px; }
            .main-nav { gap: 1rem; }
            .main-nav a { font-size: 0.85rem; }
            .main-nav .nav-cta { padding: 0.4rem 1rem; font-size: 0.85rem; }
            .article-header h1 { font-size: 1.6rem; }
            .article-meta { gap: 0.8rem 1.2rem; font-size: 0.8rem; }
            .related-grid { grid-template-columns: 1fr; }
            .site-footer .cell { margin-bottom: 1.5rem; }
        }

        @media (max-width: 640px) {
            .site-header .container { padding: 0 12px; }
            .main-nav a:not(.nav-cta) { font-size: 0.78rem; gap: 0.6rem; }
            .main-nav { gap: 0.6rem; }
            .main-nav .nav-cta { padding: 0.35rem 0.8rem; font-size: 0.78rem; }
            .main-nav .nav-cta span { display: none; }
            .article-main { padding: 1.5rem 0 2.5rem; }
            .article-header h1 { font-size: 1.35rem; }
            .mobile-bottom-tab { display: block; }
            .site-footer { padding: 2rem 0 4.5rem; }
            .consult-modal { padding: 1.5rem; margin: 1rem; }
            .breadcrumbs-wrap .breadcrumbs { font-size: 0.75rem; gap: 0.3rem 0.6rem; }
        }

        @media (max-width: 480px) {
            .main-nav a { font-size: 0.7rem; }
            .main-nav { gap: 0.4rem; }
            .site-logo { font-size: 1rem; }
            .site-logo i { font-size: 1.2rem; }
            .article-header h1 { font-size: 1.2rem; }
        }

        /* ===== 辅助类 ===== */
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #0A6E5E;
            --primary-dark: #085A4D;
            --primary-light: #E8F5F2;
            --secondary: #E8753A;
            --secondary-dark: #D4641E;
            --accent: #F5A623;
            --bg-main: #FBF8F4;
            --bg-card: #FFFFFF;
            --bg-dark: #2D2D2D;
            --text-body: #2D2D2D;
            --text-muted: #6B6B6B;
            --text-light: #9B9B9B;
            --border: #E5E0D8;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-en: "Inter", "Segoe UI", sans-serif;
            --max-width: 1200px;
            --header-height: 64px;
            --tab-height: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            color: var(--text-body);
            background: var(--bg-main);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-cn);
            font-size: 1rem;
            transition: all var(--transition);
        }

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

        .section-padding {
            padding: 4rem 0;
        }

        @media (max-width: 640px) {
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        /* ===== Typography ===== */
        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text-body);
        }

        h2 {
            font-size: 1.8rem;
            font-weight: 600;
            letter-spacing: -0.01em;
            line-height: 1.4;
            color: var(--text-body);
        }

        h3 {
            font-size: 1.4rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-body);
        }

        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-body);
        }

        p {
            font-size: 1rem;
            font-weight: 400;
            line-height: 1.8em;
            margin-bottom: 1.5em;
            color: var(--text-body);
        }

        .text-small {
            font-size: 0.85rem;
            font-weight: 400;
            line-height: 1.6;
            color: var(--text-muted);
        }

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

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            margin-bottom: 0.5rem;
        }
        .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
        }

        @media (max-width: 640px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section-title {
                margin-bottom: 2rem;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            background: var(--primary);
            height: var(--header-height);
            position: relative;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.10);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            text-decoration: none;
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .site-logo:hover {
            color: #fff;
            opacity: 0.92;
        }
        .site-logo span {
            font-family: var(--font-cn);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .main-nav a {
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            position: relative;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }
        .main-nav a.active {
            color: #fff;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 1rem;
            right: 1rem;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .main-nav .nav-cta {
            background: var(--secondary);
            color: #fff !important;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-sm);
            font-weight: 600;
            margin-left: 0.5rem;
        }
        .main-nav .nav-cta:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
        }
        .main-nav .nav-cta i {
            margin-right: 6px;
        }

        @media (max-width: 640px) {
            .site-header {
                height: 56px;
            }
            .site-logo {
                font-size: 1.1rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
            .main-nav {
                display: none;
            }
        }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: var(--tab-height);
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            z-index: 200;
            justify-content: space-around;
            align-items: center;
            padding: 0 4px;
            box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
        }

        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex: 1;
            height: 100%;
            color: var(--text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            text-decoration: none;
            transition: color var(--transition);
            gap: 2px;
            padding: 4px 0;
        }
        .mobile-bottom-tab a i {
            font-size: 1.2rem;
            transition: color var(--transition);
        }
        .mobile-bottom-tab a span {
            font-size: 0.65rem;
            line-height: 1;
        }
        .mobile-bottom-tab a.active {
            color: var(--primary);
        }
        .mobile-bottom-tab a.active i {
            color: var(--primary);
        }
        .mobile-bottom-tab a:hover {
            color: var(--primary);
        }

        @media (max-width: 640px) {
            .mobile-bottom-tab {
                display: flex;
            }
            body {
                padding-bottom: var(--tab-height);
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 500px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.20) 60%, rgba(0, 0, 0, 0.30) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 3rem 0;
        }
        .hero-section h1 {
            color: #fff;
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }
        .hero-section .hero-sub {
            color: rgba(255, 255, 255, 0.90);
            font-size: 1.2rem;
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 600px;
            text-shadow: 0 1px 6px rgba(0, 0, 0, 0.20);
        }
        .hero-section .hero-cta {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            padding: 0.9rem 2.5rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(232, 117, 58, 0.35);
        }
        .hero-section .hero-cta:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 117, 58, 0.45);
            color: #fff;
        }
        .hero-section .hero-cta i {
            margin-right: 8px;
        }

        @media (max-width: 640px) {
            .hero-section {
                min-height: 350px;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .hero-section .hero-sub {
                font-size: 1rem;
            }
            .hero-section .hero-cta {
                font-size: 1rem;
                padding: 0.75rem 2rem;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border);
            padding: 0.6rem 0;
        }
        .breadcrumb-bar .breadcrumbs {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb-bar .breadcrumbs li {
            display: inline;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-bar .breadcrumbs li+li::before {
            content: '/';
            margin: 0 10px;
            color: var(--border);
        }
        .breadcrumb-bar .breadcrumbs a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-bar .breadcrumbs a:hover {
            color: var(--secondary);
        }
        .breadcrumb-bar .breadcrumbs .current {
            color: var(--text-muted);
        }

        /* ===== Pain & Value ===== */
        .pain-value {
            background: var(--bg-card);
        }
        .pain-value .grid-x {
            align-items: center;
        }
        .pain-value .pain-list {
            margin: 1.5rem 0;
        }
        .pain-value .pain-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 1rem;
            font-size: 1rem;
            color: var(--text-body);
        }
        .pain-value .pain-list li i {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .pain-value .value-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        /* ===== Timeline / Process ===== */
        .timeline-section {
            background: var(--bg-main);
        }
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding: 1rem 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 32px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--border);
            border-radius: 2px;
        }
        .timeline-item {
            display: flex;
            gap: 24px;
            margin-bottom: 2.5rem;
            position: relative;
            padding-left: 0;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-icon {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            z-index: 2;
            position: relative;
            box-shadow: 0 0 0 4px var(--bg-main), 0 0 0 6px var(--primary);
        }
        .timeline-icon.alt {
            background: var(--secondary);
            box-shadow: 0 0 0 4px var(--bg-main), 0 0 0 6px var(--secondary);
        }
        .timeline-content {
            flex: 1;
            background: var(--bg-card);
            padding: 1.5rem 1.8rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary);
            transition: all var(--transition);
        }
        .timeline-content:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .timeline-content h4 {
            margin-bottom: 0.4rem;
            color: var(--primary);
        }
        .timeline-content p {
            margin-bottom: 0;
            font-size: 0.95rem;
            color: var(--text-muted);
        }
        .timeline-content .step-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 12px;
            margin-bottom: 0.5rem;
        }

        @media (max-width: 640px) {
            .timeline::before {
                left: 24px;
            }
            .timeline-icon {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .timeline-content {
                padding: 1rem 1.2rem;
            }
            .timeline-item {
                gap: 16px;
            }
        }

        /* ===== Feature交错 ===== */
        .feature-strip {
            background: var(--bg-card);
        }
        .feature-strip .feature-row {
            display: flex;
            align-items: center;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        .feature-strip .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-strip .feature-row.reverse {
            flex-direction: row-reverse;
        }
        .feature-strip .feature-img {
            flex: 0 0 48%;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .feature-strip .feature-img:hover {
            box-shadow: var(--shadow-hover);
            transform: scale(1.01);
        }
        .feature-strip .feature-img img {
            width: 100%;
            display: block;
        }
        .feature-strip .feature-text {
            flex: 1;
        }
        .feature-strip .feature-text h3 {
            margin-bottom: 0.8rem;
            color: var(--primary);
        }
        .feature-strip .feature-text p {
            color: var(--text-muted);
            margin-bottom: 0.8rem;
        }
        .feature-strip .feature-text .feature-tag {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 12px;
            margin-bottom: 0.6rem;
        }

        @media (max-width: 768px) {
            .feature-strip .feature-row,
            .feature-strip .feature-row.reverse {
                flex-direction: column;
                gap: 1.5rem;
            }
            .feature-strip .feature-img {
                flex: 0 0 100%;
                width: 100%;
            }
            .feature-strip .feature-row {
                margin-bottom: 2.5rem;
            }
        }

        /* ===== Scenario Grid ===== */
        .scenario-section {
            background: var(--bg-main);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .scenario-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-top: 4px solid var(--primary);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .scenario-card .scenario-icon {
            font-size: 2.2rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .scenario-card h4 {
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
            color: var(--text-body);
        }
        .scenario-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Data Stats ===== */
        .stats-section {
            background: var(--primary-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .stats-grid .stat-item .stat-number {
            font-size: 3.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stats-grid .stat-item .stat-label {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-body);
            margin: 0.3rem 0 0.2rem;
        }
        .stats-grid .stat-item .stat-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .stats-grid .stat-item .stat-number {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-card);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            padding: 0.5rem 0;
            user-select: none;
        }
        .faq-question h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin: 0;
            flex: 1;
            padding-right: 1rem;
        }
        .faq-question .faq-toggle {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 0.5rem;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0.5rem 0.5rem 1rem;
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            text-align: center;
            padding: 4rem 0;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-section .cta-btn {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            padding: 0.9rem 2.8rem;
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.20);
        }
        .cta-section .cta-btn:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.30);
            color: #fff;
        }
        .cta-section .cta-btn i {
            margin-right: 8px;
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 2.5rem 0;
            }
            .cta-section .cta-btn {
                font-size: 1rem;
                padding: 0.75rem 2rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 3rem 0 1.5rem;
        }
        .site-footer .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .site-footer .footer-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .site-footer p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0.6rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 1rem;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--secondary);
        }
        .site-footer .footer-social {
            display: flex;
            gap: 1rem;
            margin-top: 0.8rem;
        }
        .site-footer .footer-social a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 1.4rem;
            transition: color var(--transition);
        }
        .site-footer .footer-social a:hover {
            color: var(--secondary);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 1.5rem;
            margin-top: 2rem;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--secondary);
        }
        .site-footer .text-small i {
            margin-right: 6px;
            color: var(--accent);
        }

        @media (max-width: 640px) {
            .site-footer {
                padding: 2rem 0 1rem;
            }
            .site-footer .cell {
                margin-bottom: 1.5rem;
            }
        }

        /* ===== Reveal Modal ===== */
        .reveal-overlay {
            background: rgba(0, 0, 0, 0.55);
            backdrop-filter: blur(4px);
        }
        #consultModal {
            border-radius: var(--radius-lg);
            padding: 2rem;
            max-width: 560px;
            border: none;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
        }
        #consultModal h2 {
            color: var(--primary);
            margin-bottom: 0.5rem;
            font-size: 1.5rem;
        }
        #consultModal .modal-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        #consultModal label {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-body);
            margin-bottom: 0.3rem;
            display: block;
        }
        #consultModal input,
        #consultModal textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            background: var(--bg-main);
            transition: border-color var(--transition);
            margin-bottom: 1rem;
        }
        #consultModal input:focus,
        #consultModal textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(10, 110, 94, 0.12);
        }
        #consultModal textarea {
            min-height: 100px;
            resize: vertical;
        }
        #consultModal .submit-btn {
            background: var(--secondary);
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            padding: 0.8rem 2rem;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
            width: 100%;
        }
        #consultModal .submit-btn:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
        }
        #consultModal .privacy-note {
            font-size: 0.75rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 1rem;
            margin-bottom: 0;
        }
        #consultModal .close-button {
            color: var(--text-muted);
            font-size: 1.8rem;
            transition: color var(--transition);
        }
        #consultModal .close-button:hover {
            color: var(--text-body);
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .gap-2 {
            gap: 2rem;
        }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .feature-strip .feature-text h3 {
                font-size: 1.2rem;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-strip .feature-row {
                gap: 2rem;
            }
        }

        /* ===== Print ===== */
        @media print {
            .site-header,
            .mobile-bottom-tab,
            .hero-section .hero-cta,
            .cta-section .cta-btn,
            .faq-toggle {
                display: none !important;
            }
            body {
                background: #fff;
                padding-bottom: 0;
            }
            .hero-section {
                min-height: auto;
                padding: 2rem 0;
                background: var(--primary-light) !important;
            }
            .hero-section::before {
                display: none;
            }
            .hero-section h1 {
                color: var(--text-body);
                text-shadow: none;
            }
            .hero-section .hero-sub {
                color: var(--text-muted);
                text-shadow: none;
            }
        }

/* roulang page: category3 */
/* ========== Design Variables ========== */
        :root {
            --primary: #0A6E5E;
            --primary-dark: #085349;
            --primary-light: #E8F5F2;
            --secondary: #E8753A;
            --secondary-dark: #D4641E;
            --accent: #F5A623;
            --bg-warm: #FBF8F4;
            --bg-white: #FFFFFF;
            --text-body: #2D2D2D;
            --text-soft: #6B6B6B;
            --border-light: #E5E0D8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 8px;
            --radius-modal: 16px;
            --shadow-card: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.10);
            --transition: 0.3s ease;
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-en: "Inter", "Segoe UI", sans-serif;
            --max-width: 1200px;
            --nav-height: 64px;
            --footer-bg: #2D2D2D;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-cn);
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--secondary); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-body); font-weight: 600; }
        ul, ol { list-style: none; }

        /* ========== Container ========== */
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; width: 100%; }

        /* ========== Typography ========== */
        h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
        h2 { font-size: 1.8rem; font-weight: 600; letter-spacing: -0.01em; line-height: 1.4; }
        h3 { font-size: 1.4rem; font-weight: 600; line-height: 1.5; }
        p { font-size: 1rem; font-weight: 400; line-height: 1.8; margin-bottom: 1.5em; }
        .text-small { font-size: 0.85rem; font-weight: 400; line-height: 1.6; color: var(--text-soft); }
        .text-center { text-align: center; }

        /* ========== Section Spacing ========== */
        .section { padding: 4rem 0; }
        .section-title { margin-bottom: 2.5rem; }
        .section-title h2 { color: var(--primary); margin-bottom: 0.75rem; }
        .section-title p { color: var(--text-soft); max-width: 640px; margin: 0 auto; }

        /* ========== Header & Navigation (Desktop) ========== */
        .site-header {
            background: var(--primary);
            height: var(--nav-height);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.12);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--bg-white);
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .site-logo i { font-size: 1.6rem; color: var(--accent); }
        .site-logo span { color: var(--bg-white); }
        .site-logo:hover { color: var(--bg-white); opacity: 0.9; }

        .main-nav { display: flex; align-items: center; gap: 1.8rem; }
        .main-nav a {
            color: rgba(255,255,255,0.85);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.25rem 0;
            position: relative;
            transition: color var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover { color: var(--bg-white); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--bg-white); }
        .main-nav a.active::after { width: 100%; }
        .main-nav .nav-cta {
            background: var(--secondary);
            color: var(--bg-white) !important;
            padding: 0.5rem 1.4rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: background var(--transition), transform var(--transition);
        }
        .main-nav .nav-cta::after { display: none; }
        .main-nav .nav-cta:hover { background: var(--secondary-dark); transform: translateY(-1px); }

        /* ========== Mobile Bottom Tab ========== */
        .mobile-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            z-index: 110;
            align-items: center;
            justify-content: space-around;
            padding: 0 8px;
            box-shadow: 0 -2px 8px rgba(0,0,0,0.06);
        }
        .mobile-bottom-tab a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            color: var(--text-soft);
            padding: 4px 8px;
            border-radius: 8px;
            transition: color var(--transition);
            flex: 1;
            text-align: center;
        }
        .mobile-bottom-tab a i { font-size: 1.2rem; }
        .mobile-bottom-tab a.active { color: var(--primary); }
        .mobile-bottom-tab a.active i { color: var(--primary); }
        .mobile-bottom-tab a:hover { color: var(--primary); }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,110,94,0.75) 0%, rgba(0,0,0,0.35) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; text-align: center; padding: 4rem 20px; }
        .hero h1 {
            color: var(--bg-white);
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }
        .hero .hero-sub {
            color: rgba(255,255,255,0.9);
            font-size: 1.2rem;
            font-weight: 400;
            max-width: 680px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--secondary);
            color: var(--bg-white);
            padding: 0.9rem 2.8rem;
            border-radius: var(--radius-btn);
            font-size: 1.1rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 16px rgba(232,117,58,0.35);
        }
        .hero .hero-cta:hover { background: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(232,117,58,0.45); color: var(--bg-white); }

        /* ========== Capability Matrix (2-col) ========== */
        .capability-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .capability-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.8rem;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
            text-align: center;
        }
        .capability-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
        .capability-card .cap-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 1.2rem;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            transition: background var(--transition), color var(--transition);
        }
        .capability-card:hover .cap-icon { background: var(--primary); color: var(--bg-white); }
        .capability-card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; color: var(--primary); }
        .capability-card p { font-size: 0.92rem; color: var(--text-soft); margin-bottom: 0; line-height: 1.7; }

        /* ========== Scenario Cards ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }
        .scenario-card {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition);
            text-align: center;
            border-top: 4px solid var(--primary);
        }
        .scenario-card:nth-child(2) { border-top-color: var(--secondary); }
        .scenario-card:nth-child(3) { border-top-color: var(--accent); }
        .scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
        .scenario-card .scen-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        .scenario-card:nth-child(2) .scen-icon { color: var(--secondary); }
        .scenario-card:nth-child(3) .scen-icon { color: var(--accent); }
        .scenario-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
        .scenario-card p { font-size: 0.9rem; color: var(--text-soft); margin-bottom: 0; line-height: 1.7; }

        /* ========== Process Steps ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            counter-reset: step-counter;
        }
        .process-step {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 2rem 1.2rem;
            box-shadow: var(--shadow-card);
            text-align: center;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 1rem;
            background: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            transition: background var(--transition);
        }
        .process-step:hover .step-num { background: var(--secondary); }
        .process-step h3 { font-size: 1.05rem; margin-bottom: 0.5rem; color: var(--text-body); }
        .process-step p { font-size: 0.88rem; color: var(--text-soft); margin-bottom: 0; line-height: 1.6; }

        /* ========== FAQ ========== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            margin-bottom: 1rem;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-card-hover); }
        .faq-question {
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-white);
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-family: var(--font-cn);
            transition: background var(--transition);
        }
        .faq-question:hover { background: var(--primary-light); }
        .faq-question i { transition: transform var(--transition); color: var(--text-soft); }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            color: var(--bg-white);
            text-align: center;
            padding: 4rem 0;
        }
        .cta-section h2 { color: var(--bg-white); margin-bottom: 0.8rem; }
        .cta-section p { color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 2rem; }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--secondary);
            color: var(--bg-white);
            padding: 0.9rem 2.8rem;
            border-radius: var(--radius-btn);
            font-size: 1.1rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 16px rgba(232,117,58,0.35);
        }
        .cta-section .cta-btn:hover { background: var(--secondary-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(232,117,58,0.5); color: var(--bg-white); }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255,255,255,0.8);
            padding: 3rem 0 2rem;
        }
        .site-footer .footer-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.2rem; font-weight: 700; color: var(--bg-white); margin-bottom: 1rem; }
        .site-footer .footer-logo i { color: var(--accent); }
        .site-footer p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 0.6rem; color: rgba(255,255,255,0.7); }
        .site-footer h4 { color: var(--bg-white); font-size: 1.05rem; margin-bottom: 1rem; }
        .site-footer .footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
        .site-footer .footer-links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: color var(--transition); }
        .site-footer .footer-links a:hover { color: var(--secondary); }
        .site-footer .footer-social { display: flex; gap: 1rem; margin-top: 0.8rem; }
        .site-footer .footer-social a { color: rgba(255,255,255,0.7); font-size: 1.4rem; transition: color var(--transition); }
        .site-footer .footer-social a:hover { color: var(--secondary); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.5rem; margin-top: 2rem; text-align: center; }
        .footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-bottom: 0; }
        .footer-bottom a { color: rgba(255,255,255,0.6); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ========== Foundation Reveal Overrides ========== */
        .reveal-overlay { background: rgba(0,0,0,0.55); }
        .reveal { border: none; border-radius: var(--radius-modal); padding: 2rem; max-width: 600px; }
        .reveal h2 { color: var(--primary); margin-bottom: 1.5rem; }
        .reveal label { font-weight: 500; color: var(--text-body); margin-bottom: 0.3rem; }
        .reveal input, .reveal textarea {
            border-radius: var(--radius-input);
            border: 1.5px solid var(--border-light);
            padding: 0.8rem 1rem;
            width: 100%;
            transition: border-color var(--transition);
            margin-bottom: 1rem;
        }
        .reveal input:focus, .reveal textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(10,110,94,0.1); }
        .reveal .submit-btn {
            background: var(--secondary);
            color: var(--bg-white);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            width: 100%;
            cursor: pointer;
            transition: background var(--transition);
        }
        .reveal .submit-btn:hover { background: var(--secondary-dark); }
        .reveal .privacy-note { font-size: 0.75rem; color: var(--text-soft); margin-top: 1rem; text-align: center; }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.4rem; }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .site-header .main-nav { display: none; }
            .mobile-bottom-tab { display: flex; }
            .hero { min-height: 380px; }
            .hero h1 { font-size: 1.8rem; }
            .hero .hero-sub { font-size: 1rem; }
            .section { padding: 2.5rem 0; }
            .capability-grid { grid-template-columns: 1fr; }
            .scenario-grid { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: 1fr; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .site-footer .grid-x > .cell { margin-bottom: 1.5rem; }
            .hero .hero-cta { padding: 0.8rem 2rem; font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.5rem; }
            .hero .hero-sub { font-size: 0.95rem; }
            .capability-card { padding: 1.5rem 1.2rem; }
            .scenario-card { padding: 1.5rem 1.2rem; }
            .process-step { padding: 1.5rem 1rem; }
        }

        /* ========== Misc Utilities ========== */
        .bg-light { background: var(--bg-warm); }
        .bg-white { background: var(--bg-white); }
        .gap-2 { gap: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .rounded-img { border-radius: var(--radius-card); }
        .shadow-card { box-shadow: var(--shadow-card); }

        /* ========== Empty State Placeholder ========== */
        .empty-state { padding: 2rem; text-align: center; color: var(--text-soft); font-size: 1rem; }

        /* ========== Breadcrumbs (Foundation tweak) ========== */
        .breadcrumbs { background: transparent; padding: 0.8rem 0; margin-bottom: 1rem; }
        .breadcrumbs a { color: var(--primary); }
        .breadcrumbs .current { color: var(--text-soft); }

        /* ========== Page Banner (inner pages) ========== */
        .page-banner {
            background: var(--primary);
            padding: 2.5rem 0;
            text-align: center;
        }
        .page-banner h1 { color: var(--bg-white); margin-bottom: 0.3rem; }
        .page-banner p { color: rgba(255,255,255,0.8); margin-bottom: 0; }