/* roulang page: index */
:root {
    --primary: #2B6CB0;
    --primary-dark: #1E4E7B;
    --primary-light: #EBF4FC;
    --accent: #E8933D;
    --accent-dark: #C9771E;
    --body-text: #475569;
    --muted-text: #94A3B8;
    --light-bg: #EFF7FC;
    --lighter-bg: #F8FAFC;
    --border: #E2E8F0;
    --white: #FFFFFF;
    --dark: #0F172A;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.1);
    --transition: 0.25s ease;
    --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    color: var(--body-text);
    background: var(--white);
    line-height: 1.7;
    font-size: 1rem;
    -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 { color: var(--primary-dark); text-decoration: underline; }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* ===== Header 悬浮胶囊导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.4);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}
.nav-capsule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 10px 24px;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
    position: relative;
}
.brand-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.brand-logo i { color: var(--accent); font-size: 1.1rem; }
.brand-logo:hover { text-decoration: none; color: var(--primary-dark); }
.nav-menu-wrap { flex: 1; display: flex; justify-content: center; }
.nav-menu {
    list-style: none;
    display: flex;
    gap: 8px;
    margin: 0;
    padding: 0;
    align-items: center;
}
.nav-link {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 50px;
    color: var(--body-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
}
.nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
    text-decoration: none;
}
.nav-link.active {
    color: var(--white);
    background: var(--primary);
}
.nav-cta {
    flex-shrink: 0;
    padding: 8px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.92rem;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
    z-index: 100;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--body-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== Hero ===== */
.hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, #EFF7FC 0%, #FFFFFF 60%);
    overflow: hidden;
    position: relative;
}
.hero::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 500px;
    height: 500px;
    background: url('/assets/images/backpic/back-1.png') no-repeat center / cover;
    opacity: 0.06;
    border-radius: 50%;
    transform: translate(150px, -100px);
    pointer-events: none;
}
.hero-inner {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}
.hero-content { flex: 1.1; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero-badge i { font-size: 0.75rem; }
.hero h1 {
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.hero-sub {
    font-size: 1.15rem;
    color: var(--muted-text);
    margin-bottom: 28px;
    max-width: 520px;
    line-height: 1.8;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.7rem 1.6rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    line-height: 1.4;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(43, 108, 176, 0.3);
    text-decoration: none;
}
.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary-light);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
    text-decoration: none;
}
.btn-accent {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}
.btn-accent:hover {
    background: var(--accent-dark);
    color: var(--white);
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(232, 147, 61, 0.3);
    text-decoration: none;
}
.hero-visual {
    flex: 0.9;
    position: relative;
}
.hero-visual img {
    border-radius: 24px;
    box-shadow: var(--shadow-hover);
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}
.hero-float-card {
    position: absolute;
    bottom: 20px;
    left: -20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
}
.hero-float-card i { color: var(--accent); font-size: 1.4rem; }
.hero-float-card strong { color: var(--dark); display: block; font-size: 1rem; }

/* ===== 通用板块 ===== */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--lighter-bg); }
.section-light { background: var(--light-bg); }
.section-head { text-align: center; margin-bottom: 3rem; }
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.section-head h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.section-head p { color: var(--muted-text); max-width: 600px; margin: 0 auto; }

/* ===== 品牌理念区 ===== */
.brand-section { background: var(--white); }
.brand-grid { align-items: center; }
.brand-content { padding-right: 30px; }
.brand-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}
.brand-content p {
    color: var(--body-text);
    margin-bottom: 24px;
    line-height: 1.9;
}
.brand-points {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 14px;
}
.brand-points li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: var(--lighter-bg);
    border-radius: 12px;
    padding: 14px 18px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.brand-points li:hover {
    box-shadow: var(--shadow);
    border-color: var(--primary);
    transform: translateY(-2px);
}
.brand-points i {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 4px;
    flex-shrink: 0;
}
.brand-points strong { color: var(--dark); display: block; font-size: 0.98rem; }
.brand-points span { color: var(--muted-text); font-size: 0.9rem; }
.brand-img-wrap {
    background: var(--light-bg);
    border-radius: 24px;
    padding: 20px;
    box-shadow: var(--shadow);
}
.brand-img-wrap img { border-radius: 16px; width: 100%; object-fit: cover; }

/* ===== 精选内容卡区 ===== */
.feature-section { background: var(--lighter-bg); }
.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 30px 24px;
    height: 100%;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.feature-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--primary);
}
.feature-card .feature-icon {
    width: 54px;
    height: 54px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}
.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}
.feature-card p {
    color: var(--muted-text);
    font-size: 0.92rem;
    flex: 1;
    margin-bottom: 16px;
}
.feature-card .feature-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.feature-card .feature-link:hover { color: var(--primary-dark); text-decoration: none; }
.feature-card .feature-link i { transition: transform var(--transition); }
.feature-card .feature-link:hover i { transform: translateX(4px); }

/* ===== 最新资讯列表 ===== */
.news-section { background: var(--white); }
.news-layout { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.news-card {
    display: flex;
    gap: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    cursor: pointer;
    padding: 20px;
}
.news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--primary);
}
.news-thumb {
    width: 120px;
    min-width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--lighter-bg);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; display: flex; flex-direction: column; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.news-cat {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
}
.news-date { color: var(--muted-text); font-size: 0.82rem; display: flex; align-items: center; gap: 4px; }
.news-body h3 { font-size: 1.1rem; font-weight: 600; color: var(--dark); margin-bottom: 6px; line-height: 1.5; }
.news-body h3 a { color: inherit; }
.news-body h3 a:hover { color: var(--primary); text-decoration: none; }
.news-excerpt { color: var(--muted-text); font-size: 0.9rem; line-height: 1.6; margin-bottom: 12px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-more { color: var(--primary); font-size: 0.85rem; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; }
.news-more i { transition: transform var(--transition); }
.news-card:hover .news-more i { transform: translateX(4px); }
.news-empty {
    background: var(--lighter-bg);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    color: var(--muted-text);
}
.news-empty i { font-size: 2.5rem; display: block; margin-bottom: 12px; color: var(--border); }

/* ===== 信任背书区 ===== */
.stats-section { background: var(--light-bg); }
.stats-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.stat-item { flex: 1; min-width: 160px; text-align: center; padding: 24px 10px; }
.stat-number {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 4px;
}
.stat-number span { font-size: 1.2rem; color: var(--accent); }
.stat-label { color: var(--body-text); font-size: 0.95rem; }
.stat-divider { width: 1px; align-self: stretch; background: var(--border); }

/* ===== CTA 订阅区 ===== */
.cta-section {
    background: var(--dark);
    padding: 4.5rem 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/backpic/back-3.png') no-repeat center center / cover;
    opacity: 0.08;
}
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; position: relative; z-index: 2; }
.cta-inner h2 { color: var(--white); font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.cta-inner p { color: rgba(255, 255, 255, 0.7); margin-bottom: 28px; font-size: 1rem; }
.cta-form { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-form input {
    flex: 1;
    min-width: 260px;
    max-width: 420px;
    border: none;
    border-bottom: 2px solid rgba(255, 255, 255, 0.4);
    background: transparent;
    color: var(--white);
    padding: 12px 16px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
}
.cta-form input::placeholder { color: rgba(255, 255, 255, 0.4); }
.cta-form input:focus { border-bottom-color: var(--accent); }
.cta-form .btn { border-radius: 50px; }
.cta-success {
    margin-top: 16px;
    color: var(--accent);
    font-size: 0.9rem;
    display: none;
}
.cta-success.show { display: block; }

/* ===== 页脚 ===== */
.site-footer { background: #0F172A; color: #94A3B8; padding: 60px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-grid h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}
.footer-brand { font-size: 1.3rem; font-weight: 700; color: var(--white); margin-bottom: 12px; display: block; }
.footer-about { font-size: 0.88rem; line-height: 1.8; margin-bottom: 16px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a { color: #94A3B8; font-size: 0.88rem; transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--white); text-decoration: none; padding-left: 4px; }
.footer-links a i { font-size: 0.7rem; color: var(--primary); }
.footer-contact { font-size: 0.88rem; display: grid; gap: 10px; }
.footer-contact p { display: flex; align-items: center; gap: 10px; margin-bottom: 0; }
.footer-contact i { color: var(--primary); width: 16px; text-align: center; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 0.82rem; color: #64748B; }
.footer-bottom a { color: #94A3B8; }
.footer-bottom a:hover { color: var(--white); }

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .nav-capsule { border-radius: 24px; }
    .nav-toggle { display: flex; }
    .nav-menu-wrap {
        display: none;
        width: 100%;
        justify-content: flex-start;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }
    .nav-menu-wrap.open { display: block; }
    .nav-menu { flex-direction: column; align-items: stretch; gap: 4px; }
    .nav-link { text-align: center; }
    .nav-cta { display: none; }
    .hero { padding: 120px 0 60px; }
    .hero-inner { flex-direction: column; gap: 40px; }
    .hero-content { text-align: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual { width: 100%; }
    .brand-content { padding-right: 0; margin-bottom: 32px; }
    .stats-grid { gap: 16px; }
    .stat-item { min-width: 45%; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    .section { padding: 2.5rem 0; }
    .section-head { margin-bottom: 2rem; }
    .section-head h2, .brand-content h2 { font-size: 1.5rem; }
    .hero h1 { font-size: 1.8rem; }
    .hero-sub { font-size: 1rem; }
    .news-card { flex-direction: column; gap: 16px; }
    .news-thumb { width: 100%; min-width: 100%; height: 180px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 576px) {
    .container { padding: 0 16px; }
    .hero { padding: 100px 0 50px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .stats-grid { flex-direction: column; align-items: center; }
    .stat-divider { display: none; }
    .stat-item { min-width: 100%; }
    .cta-form { flex-direction: column; align-items: center; }
    .cta-form input { width: 100%; max-width: none; }
    .cta-form .btn { width: 100%; }
    .nav-capsule { padding: 10px 16px; }
}

/* roulang page: category1 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1e4f82;
            --accent: #E8933D;
            --bg-light: #EFF7FC;
            --bg-white: #ffffff;
            --bg-muted: #F8FAFC;
            --text-main: #475569;
            --text-weak: #94A3B8;
            --border: #E2E8F0;
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.1);
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-white);
            color: var(--text-main);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

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

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

        .section-block {
            padding: 4.5rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1E293B;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-main);
            max-width: 720px;
            margin: 0 auto 2.5rem;
            line-height: 1.8;
        }

        .section-head {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-head .badge-title {
            display: inline-block;
            background: rgba(43, 108, 176, 0.1);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            margin-bottom: 0.75rem;
            letter-spacing: 0.04em;
        }

        btn,
        .btn {
            border-radius: var(--radius-btn);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(43, 108, 176, 0.25);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.02);
        }

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

        .btn-accent:hover {
            background: #d97e24;
            color: #fff;
            transform: scale(1.02);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            z-index: 1000;
            padding: 14px 0 8px;
            background: rgba(255, 255, 255, 0.7);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0.5rem 0.75rem 0.5rem 1.5rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            backdrop-filter: blur(8px);
        }

        .brand-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #1E293B;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .brand-logo i {
            color: var(--primary);
            font-size: 1.1rem;
        }

        .brand-logo:hover {
            text-decoration: none;
            color: var(--primary);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 40px;
            background: rgba(43, 108, 176, 0.08);
            border: none;
            border-radius: 50%;
            gap: 4px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
        }

        .nav-menu-wrap {
            display: flex;
            align-items: center;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
        }

        .nav-menu li a {
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: all 0.2s ease;
            display: inline-block;
        }

        .nav-menu li a:hover {
            color: var(--primary);
            background: rgba(43, 108, 176, 0.07);
            text-decoration: none;
        }

        .nav-menu li a.active {
            color: var(--primary);
            background: rgba(43, 108, 176, 0.12);
            font-weight: 600;
        }

        .nav-cta {
            padding: 0.5rem 1.2rem;
            font-size: 0.9rem;
            margin-left: 0.75rem;
            white-space: nowrap;
        }

        /* Hero */
        .category-hero {
            position: relative;
            padding: 10rem 0 4.5rem;
            background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 48%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center / cover;
            opacity: 0.12;
            border-radius: 60% 0 0 60%;
            transform: scale(1.05);
        }

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

        .hero-badge {
            display: inline-block;
            background: #fff;
            border: 1px solid rgba(43, 108, 176, 0.2);
            color: var(--primary);
            font-size: 0.85rem;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: var(--shadow-card);
            margin-bottom: 1.25rem;
        }

        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #1E293B;
            margin-bottom: 1rem;
            line-height: 1.3;
            letter-spacing: -0.02em;
        }

        .category-hero .lead {
            font-size: 1.15rem;
            color: var(--text-main);
            max-width: 640px;
            margin-bottom: 1.75rem;
            line-height: 1.8;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--text-weak);
        }

        .breadcrumb-custom a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .breadcrumb-custom i {
            font-size: 0.7rem;
            color: var(--text-weak);
        }

        /* About split */
        .about-split {
            background: var(--bg-white);
        }

        .about-image-wrap {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            min-height: 420px;
        }

        .about-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .about-image-wrap::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(transparent, rgba(20, 30, 60, 0.25));
        }

        .about-content {
            padding: 1rem 0 1rem 2.5rem;
        }

        .about-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #1E293B;
            margin-bottom: 1rem;
        }

        .about-content p {
            color: var(--text-main);
            line-height: 1.9;
            margin-bottom: 1.25rem;
        }

        .about-points {
            list-style: none;
            padding: 0;
            margin: 1.75rem 0 0;
        }

        .about-points li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 1rem;
            font-weight: 500;
            color: #334155;
        }

        .about-points li i {
            color: var(--primary);
            font-size: 1rem;
            margin-top: 0.2rem;
        }

        /* Timeline */
        .timeline-section {
            background: var(--bg-muted);
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.75rem;
        }

        .timeline-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            position: relative;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

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

        .timeline-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(43, 108, 176, 0.1);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1.25rem;
        }

        .timeline-item h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: #1E293B;
            margin-bottom: 0.6rem;
        }

        .timeline-item p {
            font-size: 0.92rem;
            color: var(--text-main);
            margin: 0;
            line-height: 1.75;
        }

        .timeline-more {
            margin-top: 2.5rem;
            text-align: center;
        }

        /* Promise */
        .promise-section {
            background: var(--bg-white);
        }

        .promise-image-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 380px;
            height: 100%;
        }

        .promise-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .promise-content {
            padding: 0.5rem 0 0.5rem 2.5rem;
        }

        .promise-content h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #1E293B;
            margin-bottom: 1rem;
        }

        .promise-list {
            list-style: none;
            padding: 0;
            margin: 1.5rem 0 0;
        }

        .promise-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.9rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--border);
        }

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

        .promise-list li .icon-box {
            flex: 0 0 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(232, 147, 61, 0.12);
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .promise-list li strong {
            display: block;
            font-size: 1.02rem;
            color: #1E293B;
            margin-bottom: 0.25rem;
        }

        .promise-list li span {
            font-size: 0.92rem;
            color: var(--text-main);
        }

        /* Stats */
        .stats-section {
            background: linear-gradient(135deg, #1E293B 0%, #27384e 100%);
            padding: 4rem 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item .num {
            font-size: 2.5rem;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 0.35rem;
        }

        .stat-item .num span {
            color: var(--accent);
        }

        .stat-item p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin: 0;
        }

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

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 1rem;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #1E293B;
            margin: 0;
        }

        .faq-item h3 button {
            width: 100%;
            background: transparent;
            border: none;
            text-align: left;
            padding: 1.2rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: #1E293B;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: inherit;
        }

        .faq-item h3 button:hover {
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-main);
            border-top: 1px dashed var(--border);
            padding-top: 1rem;
            margin-top: 0;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(43, 108, 176, 0.05);
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(43, 108, 176, 0.2);
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 4.5rem 0;
            background: url('/assets/images/backpic/back-2.png') no-repeat center center / cover;
            background-attachment: fixed;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(43, 108, 176, 0.85);
        }

        .cta-inner {
            position: relative;
            text-align: center;
            color: #fff;
        }

        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }

        .cta-inner .btn {
            margin: 0 0.4rem;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            padding: 4rem 0 0;
            color: #CBD5E1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            display: block;
        }

        .footer-about {
            font-size: 0.92rem;
            line-height: 1.8;
            color: #94A3B8;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 1.25rem;
            font-weight: 600;
        }

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

        .footer-links li {
            margin-bottom: 0.6rem;
        }

        .footer-links a {
            color: #94A3B8;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-links a i {
            font-size: 0.65rem;
            color: var(--accent);
        }

        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.92rem;
            color: #94A3B8;
            margin-bottom: 0.75rem;
        }

        .footer-contact p i {
            color: var(--accent);
            margin-top: 0.25rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.5rem 0;
            text-align: center;
            color: #64748B;
            font-size: 0.85rem;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .section-block {
                padding: 3rem 0;
            }

            .nav-capsule {
                flex-wrap: wrap;
                border-radius: 24px;
                padding: 0.6rem 0.8rem;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-menu-wrap {
                display: none;
                width: 100%;
                margin-top: 0.75rem;
                padding-top: 0.75rem;
                border-top: 1px solid var(--border);
            }

            .nav-menu-wrap.open {
                display: block;
            }

            .nav-menu {
                flex-direction: column;
                gap: 0.15rem;
            }

            .nav-menu li a {
                display: block;
                padding: 0.65rem 1rem;
            }

            .nav-cta {
                display: none;
            }

            .category-hero {
                padding: 8rem 0 3.5rem;
            }

            .about-content {
                padding: 2rem 0 0;
            }

            .promise-content {
                padding: 2rem 0 0;
            }

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

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

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

        @media (max-width: 768px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .category-hero::before {
                width: 100%;
                border-radius: 0;
            }

            .about-image-wrap {
                min-height: 300px;
            }

            .promise-image-wrap {
                min-height: 280px;
            }

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .cta-inner h2 {
                font-size: 1.6rem;
            }

            .cta-inner .btn {
                margin-bottom: 0.6rem;
            }
        }

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

            .brand-logo {
                font-size: 1.05rem;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .section-block {
                padding: 2.5rem 0;
            }

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

            .timeline-item {
                padding: 1.5rem;
            }

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

/* roulang page: article */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1F5180;
            --primary-light: #EFF7FC;
            --accent: #E8933D;
            --accent-dark: #C9751F;
            --heading: #1E293B;
            --text: #475569;
            --text-light: #94A3B8;
            --border: #E2E8F0;
            --bg-soft: #F8FAFC;
            --white: #FFFFFF;
            --radius-lg: 20px;
            --radius: 16px;
            --radius-sm: 8px;
            --shadow: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: all 0.25s ease;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul, ol { padding-left: 0; }

        .container { max-width: 1200px; }

        /* ============ Header / Nav ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 14px 0;
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255,255,255,0.96);
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(255,255,255,0.85);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 14px 8px 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .site-header.scrolled .nav-capsule {
            box-shadow: 0 6px 24px rgba(0,0,0,0.09);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--heading);
            white-space: nowrap;
        }

        .brand-logo i {
            color: var(--primary);
            font-size: 1.3rem;
            transform: rotate(-8deg);
        }

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

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 50%;
            background: var(--white);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(43,108,176,0.12);
        }

        .nav-toggle span {
            display: block;
            width: 16px;
            height: 2px;
            background: var(--heading);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
        }

        .nav-link {
            display: block;
            padding: 8px 18px;
            border-radius: 50px;
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(43,108,176,0.28);
        }

        .nav-cta {
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(43,108,176,0.25);
        }

        /* ============ Buttons ============ */
        .btn {
            border-radius: var(--radius-sm);
            padding: 0.6rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(43,108,176,0.22);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: 0 6px 18px rgba(43,108,176,0.32);
        }

        .btn-outline-primary {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.02);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(0,0,0,0.12);
        }

        .btn-light:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ============ Article Page ============ */
        .article-page {
            padding: 150px 0 0;
            background: linear-gradient(180deg, var(--primary-light) 0%, #fff 420px);
            min-height: 100vh;
        }

        .article-layout {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 16px 64px;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 28px;
            padding: 10px 18px;
            background: rgba(255,255,255,0.75);
            border: 1px solid var(--border);
            border-radius: 50px;
            backdrop-filter: blur(6px);
        }

        .article-breadcrumb a {
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .article-breadcrumb .sep {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .article-breadcrumb .current {
            color: var(--text);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 340px;
        }

        .article-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
            margin-bottom: 28px;
        }

        .article-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.4;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 22px;
            font-size: 0.875rem;
            color: var(--text-light);
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
        }

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

        .meta-item i {
            color: var(--primary);
        }

        .meta-item .badge {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 500;
        }

        /* Article Content */
        .article-content {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text);
            word-break: break-word;
        }

        .article-content p {
            margin-bottom: 1.6rem;
            font-size: 1.05rem;
            line-height: 1.9;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--heading);
            margin: 2.2rem 0 1.1rem;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--heading);
            margin: 1.8rem 0 0.8rem;
        }

        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--heading);
            margin: 1.5rem 0 0.6rem;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.6rem;
            padding-left: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content img {
            border-radius: 14px;
            margin: 1.8rem auto;
            box-shadow: var(--shadow);
            display: block;
            max-width: 100%;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: linear-gradient(135deg, #FFF8F0 0%, #FFFDF9 100%);
            padding: 1.2rem 1.6rem;
            border-radius: 0 14px 14px 0;
            margin: 1.8rem 0;
            color: #5A4630;
            font-style: italic;
            font-size: 1.05rem;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content code {
            background: #E8F1F8;
            color: var(--primary-dark);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }

        .article-content pre {
            background: #1E293B;
            color: #E2E8F0;
            padding: 1.2rem 1.6rem;
            border-radius: 14px;
            overflow-x: auto;
            margin: 1.8rem 0;
            line-height: 1.6;
        }

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

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(43,108,176,0.3);
            padding-bottom: 1px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.95rem;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
        }

        .article-content table th {
            background: var(--primary-light);
            color: var(--heading);
            font-weight: 600;
        }

        /* Tags */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            color: var(--text);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .tag-badge:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Empty state */
        .article-empty {
            padding: 60px 24px;
            text-align: center;
        }

        .article-empty i {
            color: var(--text-light);
            opacity: 0.4;
        }

        .article-empty h1 {
            color: var(--heading);
            font-size: 1.5rem;
        }

        /* Related */
        .related-section {
            margin-bottom: 36px;
        }

        .section-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-head::before {
            content: "";
            width: 4px;
            height: 26px;
            background: var(--primary);
            border-radius: 4px;
        }

        .section-head h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--heading);
            margin: 0;
        }

        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(43,108,176,0.2);
        }

        .related-card .card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

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

        .related-card:hover .card-thumb img {
            transform: scale(1.05);
        }

        .related-card .card-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.08));
            pointer-events: none;
        }

        .related-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-body .badge {
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.78rem;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .related-body h3 {
            font-size: 1.08rem;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .related-body h3 a {
            color: var(--heading);
        }

        .related-body h3 a:hover {
            color: var(--primary);
        }

        .related-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .related-date {
            font-size: 0.82rem;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .related-date i {
            color: var(--primary);
        }

        /* CTA */
        .article-cta-section {
            margin-bottom: 36px;
        }

        .article-cta {
            position: relative;
            background: linear-gradient(135deg, rgba(43,108,176,0.95), rgba(31,81,128,0.97)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .article-cta::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            background: rgba(255,255,255,0.06);
            border-radius: 50%;
        }

        .article-cta h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .article-cta p {
            color: rgba(255,255,255,0.85);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .article-back-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            margin-top: 10px;
        }

        .article-back-btn .btn {
            min-width: 150px;
            justify-content: center;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #0F172A;
            color: rgba(255,255,255,0.7);
            padding: 64px 0 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-brand i {
            color: #5BA0E8;
        }

        .footer-about {
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
        }

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

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

        .footer-links a {
            color: rgba(255,255,255,0.6);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 0.7rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-links a:hover i {
            color: var(--accent);
        }

        .footer-contact p {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
        }

        .footer-contact i {
            color: var(--primary);
            margin-top: 4px;
            width: 14px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 20px 0;
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.82rem;
        }

        /* ============ Responsive ============ */
        @media (max-width: 991px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu-wrap {
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                background: var(--white);
                border: 1px solid var(--border);
                border-radius: 20px;
                box-shadow: var(--shadow-hover);
                padding: 16px;
                display: none;
                z-index: 1000;
            }

            .nav-menu-wrap.open {
                display: block;
                animation: navFadeIn 0.25s ease;
            }

            @keyframes navFadeIn {
                from { opacity: 0; transform: translateY(-8px); }
                to { opacity: 1; transform: translateY(0); }
            }

            .nav-menu {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-link {
                padding: 12px 18px;
                font-size: 1rem;
            }

            .nav-cta {
                display: none;
            }

            .article-page {
                padding: 130px 0 0;
            }

            .article-card {
                padding: 36px 28px;
            }

            .article-title {
                font-size: 1.8rem;
            }

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

        @media (max-width: 767px) {
            .article-page {
                padding: 120px 0 0;
            }

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius);
            }

            .article-title {
                font-size: 1.5rem;
            }

            .article-meta {
                gap: 10px 14px;
                font-size: 0.82rem;
            }

            .article-breadcrumb {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .article-breadcrumb .current {
                max-width: 180px;
            }

            .article-content p {
                font-size: 1rem;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.12rem;
            }

            .section-head h2 {
                font-size: 1.3rem;
            }

            .article-cta {
                padding: 36px 20px;
            }

            .article-cta h2 {
                font-size: 1.3rem;
            }

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

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

            .footer-bottom {
                padding: 16px 10px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 575px) {
            .article-page {
                padding: 110px 0 0;
            }

            .article-card {
                padding: 24px 16px;
                margin-bottom: 20px;
            }

            .article-title {
                font-size: 1.35rem;
            }

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

            .article-breadcrumb {
                flex-wrap: wrap;
                gap: 4px;
            }

            .article-breadcrumb .current {
                max-width: 100%;
                white-space: normal;
            }

            .related-body {
                padding: 16px;
            }

            .article-cta {
                padding: 30px 16px;
                border-radius: 14px;
            }

            .article-back-btn .btn {
                width: 100%;
            }

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

            .brand-logo {
                font-size: 1.1rem;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #2B6CB0;
    --primary-dark: #1E4F82;
    --primary-light: #E8F1F9;
    --accent: #E8933D;
    --accent-light: #FEF3E8;
    --text: #475569;
    --text-light: #94A3B8;
    --bg-light: #EFF7FC;
    --bg-card: #FFFFFF;
    --bg-gray: #F8FAFC;
    --border: #E2E8F0;
    --radius: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 28px rgba(0, 0, 0, 0.10);
    --transition: 0.25s all ease;
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
}
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg-card);
    line-height: 1.7;
    margin: 0;
    padding: 0;
}
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; padding: 0; margin: 0; }
button:focus, a:focus, input:focus { outline: 2px solid rgba(43, 108, 176, 0.4); outline-offset: 2px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4.5rem 0; }
.section-header { text-align: center; max-width: 760px; margin: 0 auto 3rem; }
.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}
.section-header p { font-size: 1rem; color: var(--text-light); margin-bottom: 0; }

/* ========== Header / Nav ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    padding: 1rem 0;
    background: transparent;
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 16px rgba(15, 23, 42, 0.08);
}
.nav-capsule {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 50px;
    padding: 0.625rem 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.site-header.scrolled .nav-capsule {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--border);
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--primary-dark);
    white-space: nowrap;
}
.brand-logo i { color: var(--primary); font-size: 1.15rem; }
.brand-logo:hover { color: var(--primary); }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 6px;
    cursor: pointer;
    z-index: 1050;
}
.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-menu-wrap { display: flex; align-items: center; }
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}
.nav-menu .nav-link {
    display: block;
    padding: 0.5rem 1.1rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 50px;
    transition: var(--transition);
}
.nav-menu .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-menu .nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }

.nav-cta {
    border-radius: 50px;
    font-size: 0.9rem;
    padding: 0.5rem 1.4rem;
    font-weight: 600;
}
.btn-group-nav { display: flex; gap: 0.5rem; align-items: center; }

/* ========== Buttons ========== */
.btn { border-radius: var(--radius-sm); font-weight: 600; transition: var(--transition); }
.btn-primary {
    background: var(--primary);
    border: 1px solid var(--primary);
    color: #fff;
    padding: 0.6rem 1.4rem;
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: scale(1.02); box-shadow: 0 6px 18px rgba(43, 108, 176, 0.22); }
.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.6rem 1.4rem;
}
.btn-outline-primary:hover { background: var(--primary-light); color: var(--primary-dark); transform: scale(1.02); }
.btn-accent {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #fff;
    padding: 0.75rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
}
.btn-accent:hover { background: #d47a2d; border-color: #d47a2d; color: #fff; transform: scale(1.03); box-shadow: 0 6px 18px rgba(232, 147, 61, 0.25); }
.btn-lg { padding: 0.75rem 1.8rem; font-size: 1rem; }

/* ========== Page Hero ========== */
.page-hero {
    position: relative;
    padding: 3.5rem 0 5rem;
    background: linear-gradient(135deg, var(--bg-light) 0%, #FFFFFF 100%);
    overflow: hidden;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,0.88) 0%, rgba(255,255,255,0.55) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 3rem 1.5rem 0; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.35rem 1.1rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
}
.hero-badge i { font-size: 0.8rem; }
.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.3;
    margin: 0 auto 1rem;
    max-width: 800px;
}
.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text);
    max-width: 580px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero-buttons .btn { border-radius: 50px; }

/* ========== Service Block ========== */
.service-section-wrap { background: #FFFFFF; }
.service-block { padding: 4.5rem 0; }
.service-block.bg-gray { background: var(--bg-gray); }
.service-img-wrap {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.service-img-wrap img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
    border-radius: var(--radius);
}
.service-img-wrap:hover img { transform: scale(1.03); }
.service-img-tag {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(4px);
}
.service-content { padding: 0 1rem; }
.service-content .section-tag { display: inline-block; margin-bottom: 0.75rem; }
.service-content h2 {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    line-height: 1.35;
}
.service-content p { font-size: 1rem; line-height: 1.8; color: var(--text); margin-bottom: 1.5rem; }
.feature-list { margin-bottom: 1.5rem; }
.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.45rem 0;
    font-size: 0.98rem;
    color: var(--text);
}
.feature-list li i { color: var(--primary); margin-top: 0.25rem; font-size: 0.95rem; }
.btn-more { border-radius: 50px; }

/* ========== Process Section ========== */
.process-section { background: #FFFFFF; border-top: 1px solid rgba(226, 232, 240, 0.5); }
.process-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.2rem 1.6rem 1.8rem;
    text-align: center;
    position: relative;
    transition: var(--transition);
    height: 100%;
}
.process-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: rgba(43, 108, 176, 0.25); }
.process-num {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(43, 108, 176, 0.3);
}
.process-card > i {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}
.process-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 0.5rem; }
.process-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }

/* ========== Stats Section ========== */
.stats-section {
    background: linear-gradient(120deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 3.5rem 0;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') no-repeat center / cover;
    opacity: 0.1;
}
.stats-section .container { position: relative; z-index: 1; }
.stat-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius);
    padding: 2rem 1rem;
    backdrop-filter: blur(4px);
    transition: var(--transition);
}
.stat-card:hover { background: rgba(255, 255, 255, 0.2); transform: translateY(-3px); }
.stat-num { font-size: 2.2rem; font-weight: 700; color: #FFFFFF; line-height: 1.2; }
.stat-label { font-size: 0.9rem; color: rgba(255, 255, 255, 0.8); margin-top: 0.3rem; }

/* ========== FAQ Accordion ========== */
.faq-section { background: var(--bg-gray); }
.custom-accordion { max-width: 860px; margin: 0 auto; }
.custom-accordion .accordion-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    overflow: hidden;
    transition: var(--transition);
}
.custom-accordion .accordion-item:hover { border-color: rgba(43, 108, 176, 0.2); }
.custom-accordion .accordion-header { margin: 0; }
.custom-accordion .accordion-button {
    background: var(--bg-card);
    color: var(--primary-dark);
    font-size: 1rem;
    font-weight: 600;
    padding: 1.2rem 1.5rem;
    border: none;
    box-shadow: none;
    transition: var(--transition);
    font-family: var(--font);
}
.custom-accordion .accordion-button:not(.collapsed) { background: var(--primary-light); color: var(--primary-dark); }
.custom-accordion .accordion-button:focus { box-shadow: none; border: none; outline: 2px solid rgba(43, 108, 176, 0.3); }
.custom-accordion .accordion-button::after { background-size: 1rem; }
.custom-accordion .accordion-button:not(.collapsed)::after { filter: brightness(0.8); }
.custom-accordion .accordion-body { padding: 0 1.5rem 1.4rem; color: var(--text); font-size: 0.95rem; line-height: 1.8; border-top: 1px solid var(--border); background: #fff; }
.custom-accordion .accordion-collapse.collapsing { transition: all 0.3s ease; }

/* ========== CTA Section ========== */
.cta-section { padding: 4.5rem 0; background: #FFFFFF; }
.cta-box {
    background: linear-gradient(135deg, var(--bg-light) 0%, #FFFFFF 100%);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 6px);
    padding: 3.5rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    background: url('/assets/images/backpic/back-3.png') no-repeat center / cover;
    opacity: 0.08;
    border-radius: 50%;
}
.cta-box h2 { font-size: 1.9rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 0.75rem; }
.cta-box p { font-size: 1rem; color: var(--text); margin-bottom: 1.8rem; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-box .btn { border-radius: 50px; }

/* ========== Footer ========== */
.site-footer {
    background: #0F172A;
    color: rgba(255, 255, 255, 0.75);
    padding: 3.5rem 0 0;
    margin-top: 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand { display: block; font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 0.8rem; }
.footer-about { font-size: 0.9rem; line-height: 1.7; margin-bottom: 0; color: rgba(255, 255, 255, 0.6); }
.site-footer h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 1rem; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a { color: rgba(255, 255, 255, 0.65); font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 3px; }
.footer-links a i { font-size: 0.7rem; margin-right: 0.4rem; color: var(--accent); }
.footer-contact p { font-size: 0.9rem; margin-bottom: 0.5rem; color: rgba(255, 255, 255, 0.65); }
.footer-contact p i { margin-right: 0.4rem; color: var(--accent); }
.footer-bottom { padding: 1.2rem 0; text-align: center; font-size: 0.85rem; color: rgba(255, 255, 255, 0.5); }

/* ========== Responsive ========== */
@media (max-width: 991.98px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .service-img-wrap img { height: 320px; }
    .service-content { padding: 0; margin-top: 1.5rem; }
    .section-header h2 { font-size: 1.7rem; }
    .page-hero h1 { font-size: 2rem; }
}

@media (max-width: 767.98px) {
    .section { padding: 3rem 0; }
    .service-block, .service-block.bg-gray { padding: 3rem 0; }
    .service-img-wrap img { height: 250px; }
    .service-content h2 { font-size: 1.5rem; }
    .section-header h2 { font-size: 1.5rem; }
    .page-hero h1 { font-size: 1.8rem; }
    .hero-subtitle { font-size: 1rem; }
    .process-card { padding: 1.8rem 1.2rem 1.4rem; }
    .stat-num { font-size: 1.8rem; }
    .cta-box { padding: 2.2rem 1.2rem; }
    .cta-box h2 { font-size: 1.5rem; }

    .nav-toggle { display: flex; }
    .nav-menu-wrap {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        z-index: 1040;
    }
    .nav-menu-wrap.open { display: block; }
    .nav-menu { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-menu .nav-link { border-radius: var(--radius-sm); padding: 0.7rem 1rem; }
    .nav-menu .nav-link.active { background: var(--primary-light); }
    .nav-cta { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
    .site-header { padding: 0.75rem 0; }
    .nav-capsule { padding: 0.5rem 1rem; }
    .brand-logo { font-size: 1.15rem; }
}

@media (max-width: 520px) {
    .hero-buttons .btn { width: 100%; margin-bottom: 0.5rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .page-hero { padding-top: 2.5rem; }
}