/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
    --primary: #2d6bff;
    --primary-dark: #1b4fd6;
    --primary-light: #eaf1ff;
    --secondary: #00c9a7;
    --accent: #ff7a45;
    --dark: #0a1120;
    --dark-soft: #121e30;
    --text: #1c2540;
    --text-muted: #5a6b85;
    --bg-light: #f4f7fc;
    --bg-white: #ffffff;
    --border: #e4eaf2;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-xs: 0 2px 6px rgba(20, 40, 80, 0.04);
    --shadow-sm: 0 4px 16px rgba(20, 40, 80, 0.08);
    --shadow-md: 0 10px 32px rgba(20, 40, 80, 0.12);
    --shadow-lg: 0 20px 56px rgba(20, 40, 80, 0.16);
    --font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    --header-height: 76px;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary); transition: all .25s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible {
    outline: 3px solid rgba(45, 107, 255, 0.35);
    outline-offset: 2px;
    border-radius: 4px;
}
::selection { background: rgba(45, 107, 255, 0.15); }
.container { max-width: 1240px; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
p { color: var(--text); }

/* ===== 按钮 ===== */
.btn { border-radius: 12px; font-weight: 600; padding: .65rem 1.4rem; font-size: .95rem; display: inline-flex; align-items: center; gap: .45rem; transition: all .25s cubic-bezier(.4,0,.2,1); border: none; }
.btn-custom-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4e8aff 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(45, 107, 255, 0.28);
}
.btn-custom-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(45, 107, 255, 0.38); }
.btn-custom-ghost { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.28); backdrop-filter: blur(6px); }
.btn-custom-ghost:hover { background: rgba(255,255,255,.24); color: #fff; transform: translateY(-2px); border-color: rgba(255,255,255,.45); }
.btn-custom-light { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.btn-custom-light:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
.btn-lg { padding: .85rem 1.8rem; font-size: 1.05rem; border-radius: 14px; }

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1050;
    height: var(--header-height);
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid rgba(255,255,255,0.35);
    transition: all .35s cubic-bezier(.4,0,.2,1);
}
.site-header.scrolled {
    background: rgba(255,255,255,0.96);
    box-shadow: var(--shadow-sm);
    border-bottom-color: rgba(228,234,242,0.6);
}
.navbar-custom { padding: .65rem 0; }
.brand-wrap {
    display: flex; align-items: center; gap: .65rem;
    font-size: 1.15rem; font-weight: 700; color: var(--text);
}
.brand-wrap:hover { color: var(--primary); }
.brand-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), #4e8aff);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.05rem;
    box-shadow: 0 4px 14px rgba(45, 107, 255, 0.3);
}
.brand-text { font-size: 1.12rem; letter-spacing: -0.01em; }
.navbar-custom .navbar-nav .nav-link {
    color: var(--text);
    font-weight: 500;
    padding: .55rem 1.05rem;
    border-radius: 10px;
    font-size: .95rem;
    position: relative;
}
.navbar-custom .navbar-nav .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.navbar-custom .navbar-nav .nav-link.active { color: var(--primary); font-weight: 600; }
.navbar-custom .navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: .15rem; left: 1.05rem; right: 1.05rem;
    height: 2px; border-radius: 2px;
    background: var(--primary);
}
.nav-cta {
    background: var(--primary);
    color: #fff !important;
    padding: .5rem 1.4rem !important;
    border-radius: 12px !important;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(45,107,255,.25);
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(45,107,255,.35); }
.navbar-toggler { border: none; padding: .4rem .65rem; }
.navbar-toggler:focus { box-shadow: none; }
.navbar-toggler-icon {
    width: 22px; height: 22px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(28,37,64,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Hero ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center;
    padding: calc(var(--header-height) + 40px) 0 80px;
    background: linear-gradient(135deg, rgba(10,17,32,.92) 0%, rgba(18,30,48,.84) 45%, rgba(20,35,60,.72) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(45,107,255,.35), transparent 70%);
    filter: blur(30px);
    border-radius: 50%;
    pointer-events: none;
}
.hero-section::after {
    content: '';
    position: absolute;
    bottom: -60px; left: -40px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(0,201,167,.22), transparent 70%);
    filter: blur(30px);
    border-radius: 50%;
    pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }
.hero-tag {
    display: inline-flex; align-items: center; gap: .5rem;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.22);
    color: #eaf1ff;
    backdrop-filter: blur(8px);
    padding: .4rem 1rem;
    border-radius: 100px;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .02em;
    margin-bottom: 1.6rem;
}
.hero-tag i { color: var(--secondary); font-size: .9rem; }
.hero-title {
    font-size: clamp(2rem, 4vw, 3.4rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin-bottom: 1.2rem;
}
.hero-title span { color: #8bb3ff; }
.hero-desc {
    font-size: 1.09rem;
    color: rgba(255,255,255,.82);
    max-width: 560px;
    margin-bottom: 2rem;
    line-height: 1.75;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 2.4rem; }
.hero-trust {
    display: flex; flex-wrap: wrap; gap: 1.2rem;
    color: rgba(255,255,255,.72);
    font-size: .88rem;
}
.hero-trust span { display: inline-flex; align-items: center; gap: .4rem; }
.hero-trust i { color: var(--secondary); font-size: .85rem; }

/* ===== Hero 状态卡片 ===== */
.hero-card {
    position: relative;
    z-index: 2;
    background: rgba(255,255,255,.09);
    backdrop-filter: blur(22px) saturate(140%);
    -webkit-backdrop-filter: blur(22px) saturate(140%);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: var(--radius-lg);
    padding: 2rem;
    color: #fff;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.hero-card .card-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.6rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,.12);
}
.hero-card .card-head h4 { color: #fff; font-size: 1rem; margin: 0; display: flex; align-items: center; gap: .5rem; }
.status-dot { width: 9px; height: 9px; background: var(--secondary); border-radius: 50%; display: inline-block; box-shadow: 0 0 0 3px rgba(0,201,167,.22); }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.6rem; }
.hero-stat {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-md);
    padding: .95rem 1.1rem;
}
.hero-stat .num { font-size: 1.45rem; font-weight: 700; color: #fff; line-height: 1.2; display: block; }
.hero-stat .lbl { font-size: .78rem; color: rgba(255,255,255,.6); margin-top: .2rem; }
.hero-card .btn-group-vertical { display: flex; flex-direction: column; gap: .6rem; }

/* ===== 板块通用 ===== */
.section-block { padding: 6rem 0; }
.section-header { margin-bottom: 3rem; }
.section-tag {
    display: inline-flex; align-items: center; gap: .45rem;
    color: var(--primary);
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .04em;
    background: var(--primary-light);
    padding: .35rem 1rem;
    border-radius: 100px;
    margin-bottom: .9rem;
}
.section-title { font-size: clamp(1.6rem, 2.5vw, 2.1rem); font-weight: 800; margin-bottom: .7rem; }
.section-desc { color: var(--text-muted); font-size: .98rem; max-width: 680px; line-height: 1.7; }
.section-desc-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-title-center, .section-tag-center { text-align: center; justify-content: center; display: flex; }
.section-tag-center { display: inline-flex; }

/* ===== 功能特性 ===== */
.features-section { background: var(--bg-light); }
.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.6rem;
    height: 100%;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow-xs);
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(45,107,255,.25);
}
.feature-icon {
    width: 52px; height: 52px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1.2rem;
    background: var(--primary-light);
    color: var(--primary);
}
.feature-card:nth-child(2) .feature-icon { background: rgba(0,201,167,.12); color: var(--secondary); }
.feature-card:nth-child(3) .feature-icon { background: rgba(255,122,69,.12); color: var(--accent); }
.feature-card:nth-child(4) .feature-icon { background: rgba(123,63,228,.1); color: #7b3fe4; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .55rem; }
.feature-card p { color: var(--text-muted); font-size: .92rem; line-height: 1.65; margin: 0; }
.feature-link { display: inline-flex; align-items: center; gap: .35rem; font-size: .88rem; color: var(--primary); font-weight: 600; margin-top: 1rem; }
.feature-link i { transition: transform .25s ease; }
.feature-card:hover .feature-link i { transform: translateX(4px); }

/* ===== 分类入口 ===== */
.category-section { background: var(--bg-white); }
.category-main-card {
    background: linear-gradient(135deg, #0b1220 0%, #172940 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    color: #fff;
    box-shadow: var(--shadow-lg);
}
.category-main-card::before {
    content: '';
    position: absolute;
    top: -40px; right: -20px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(45,107,255,.4), transparent 70%);
    filter: blur(30px);
    border-radius: 50%;
    pointer-events: none;
}
.category-main-card .cat-img {
    flex: 0 0 46%;
    max-width: 46%;
    min-height: 320px;
    position: relative;
    overflow: hidden;
}
.category-main-card .cat-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.category-main-card .cat-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(11,18,32,.6) 100%);
}
.category-main-card .cat-body {
    flex: 0 0 54%;
    max-width: 54%;
    padding: 2.8rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: relative;
}
.cat-body .cat-tag {
    display: inline-flex; align-items: center; gap: .45rem;
    background: rgba(255,255,255,.12);
    color: #a8c5ff;
    border: 1px solid rgba(255,255,255,.16);
    padding: .35rem 1rem;
    border-radius: 100px;
    font-size: .82rem;
    font-weight: 600;
    margin-bottom: 1.1rem;
    letter-spacing: .02em;
}
.cat-body h2 { color: #fff; font-size: 1.85rem; font-weight: 800; margin-bottom: .8rem; }
.cat-body p.cat-desc { color: rgba(255,255,255,.72); font-size: .95rem; margin-bottom: 1.4rem; line-height: 1.7; }
.cat-points { list-style: none; padding: 0; margin: 0 0 1.6rem; display: grid; grid-template-columns: 1fr 1fr; gap: .55rem .9rem; width: 100%; }
.cat-points li { display: flex; align-items: center; gap: .5rem; font-size: .88rem; color: rgba(255,255,255,.82); }
.cat-points i { color: var(--secondary); font-size: .75rem; }
.cat-btn {
    display: inline-flex; align-items: center; gap: .5rem;
    background: #fff; color: var(--primary) !important;
    font-weight: 600; font-size: .92rem;
    padding: .65rem 1.4rem; border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,.2);
    transition: all .3s ease;
}
.cat-btn:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.24); }

/* ===== 资讯列表 ===== */
.news-section { background: var(--bg-light); }
.news-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    box-shadow: var(--shadow-xs);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.news-thumb { position: relative; overflow: hidden; height: 180px; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-badge {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(10,17,32,.82);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: .75rem;
    font-weight: 600;
    padding: .25rem .8rem;
    border-radius: 100px;
    letter-spacing: .02em;
}
.news-body { padding: 1.35rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: .5rem; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color .25s ease; }
.news-card:hover .news-body h3 { color: var(--primary); }
.news-body p { color: var(--text-muted); font-size: .88rem; line-height: 1.65; margin-bottom: .9rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: .8rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: .8rem; }
.news-meta span { display: inline-flex; align-items: center; gap: .35rem; }
.news-meta .news-more { color: var(--primary); font-weight: 600; }
.news-meta .news-more i { transition: transform .25s ease; font-size: .75rem; }
.news-card:hover .news-meta .news-more i { transform: translateX(3px); }
.empty-tip {
    background: var(--bg-white);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: .95rem;
}

/* ===== 数据统计 ===== */
.stats-section {
    background: linear-gradient(135deg, #0b1220 0%, #152438 60%, #1a2c44 100%);
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 500px; height: 220px;
    background: radial-gradient(ellipse, rgba(45,107,255,.22), transparent 70%);
    filter: blur(30px);
    pointer-events: none;
}
.stats-section .section-title { color: #fff; }
.stats-section .section-desc { color: rgba(255,255,255,.72); }
.stats-section .section-tag { background: rgba(255,255,255,.1); color: #a8c5ff; }
.stat-item { text-align: center; padding: 1.4rem .8rem; }
.stat-item .stat-num {
    font-size: clamp(2rem, 3vw, 2.6rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    display: block;
    margin-bottom: .25rem;
}
.stat-item .stat-num i { font-size: 1.4rem; color: var(--secondary); margin-right: .2rem; vertical-align: 2px; }
.stat-item .stat-label { color: rgba(255,255,255,.62); font-size: .9rem; }
.stat-divider { border-color: rgba(255,255,255,.08) !important; margin: 1.5rem 0; }

/* ===== 流程 ===== */
.process-section { background: var(--bg-white); }
.process-step {
    position: relative;
    padding: 2rem 1.5rem;
    text-align: center;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    height: 100%;
    transition: all .3s ease;
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.process-step .step-num {
    width: 46px; height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #4e8aff);
    color: #fff;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.1rem;
    box-shadow: 0 6px 18px rgba(45,107,255,.3);
}
.process-step h3 { font-size: 1rem; font-weight: 700; margin-bottom: .45rem; }
.process-step p { color: var(--text-muted); font-size: .87rem; margin: 0; line-height: 1.6; }
.process-arrow {
    position: absolute;
    top: 45%; right: -18px;
    color: var(--border);
    font-size: 1.2rem;
    z-index: 2;
    transform: translateY(-50%);
}
@media (max-width: 991px) { .process-arrow { display: none; } }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-light); }
.faq-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.6rem;
    height: 100%;
    transition: all .25s ease;
    box-shadow: var(--shadow-xs);
}
.faq-card:hover { box-shadow: var(--shadow-sm); border-color: rgba(45,107,255,.2); }
.faq-card h3 {
    font-size: .98rem;
    font-weight: 700;
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    margin-bottom: .6rem;
}
.faq-card h3 i { color: var(--primary); font-size: .85rem; margin-top: .3rem; }
.faq-card p { color: var(--text-muted); font-size: .88rem; line-height: 1.7; margin: 0 0 0 1.65rem; }

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, rgba(10,17,32,.94), rgba(18,30,48,.86)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -60px; right: -60px;
    width: 240px; height: 240px;
    background: radial-gradient(circle, rgba(45,107,255,.4), transparent 70%);
    filter: blur(40px);
    border-radius: 50%;
}
.cta-title { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: .8rem; }
.cta-desc { color: rgba(255,255,255,.72); font-size: 1.02rem; max-width: 620px; margin: 0 auto 2rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
    background: #0a1120;
    color: rgba(255,255,255,.75);
    padding: 4.5rem 0 2rem;
}
.footer-brand { display: flex; align-items: center; gap: .6rem; margin-bottom: 1.2rem; }
.footer-brand .brand-text { color: #fff; font-size: 1.1rem; font-weight: 700; }
.footer-brand .brand-icon { background: linear-gradient(135deg, var(--primary), #4e8aff); }
.footer-desc { color: rgba(255,255,255,.52); font-size: .88rem; line-height: 1.7; max-width: 320px; margin-bottom: 1.5rem; }
.footer-nav-title { color: #fff; font-size: .95rem; font-weight: 600; margin-bottom: 1rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .55rem; }
.footer-links a { color: rgba(255,255,255,.58); font-size: .88rem; transition: all .2s ease; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact-item { display: flex; align-items: center; gap: .6rem; color: rgba(255,255,255,.58); font-size: .88rem; margin-bottom: .5rem; }
.footer-contact-item i { color: var(--secondary); width: 18px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 1.6rem;
    margin-top: 3rem;
    text-align: center;
    color: rgba(255,255,255,.38);
    font-size: .82rem;
}

/* ===== 移动端响应式 ===== */
@media (max-width: 991px) {
    .section-block { padding: 4.5rem 0; }
    .navbar-collapse {
        background: rgba(255,255,255,.98);
        backdrop-filter: blur(16px);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: 1rem 1.2rem;
        margin-top: .6rem;
        border: 1px solid var(--border);
    }
    .navbar-custom .navbar-nav .nav-link { padding: .7rem 1rem; }
    .nav-cta { margin-top: .6rem; color: #fff !important; text-align: center; }
    .category-main-card .cat-img { flex: 0 0 100%; max-width: 100%; min-height: 220px; }
    .category-main-card .cat-body { flex: 0 0 100%; max-width: 100%; padding: 2rem; }
    .hero-card { margin-top: 2.5rem; }
}
@media (max-width: 767px) {
    .section-block { padding: 3.5rem 0; }
    .hero-section { min-height: auto; padding: calc(var(--header-height) + 30px) 0 60px; }
    .hero-title { font-size: 1.9rem; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { justify-content: center; width: 100%; }
    .hero-trust { gap: .8rem; flex-wrap: wrap; }
    .cat-points { grid-template-columns: 1fr; }
    .cat-body h2 { font-size: 1.5rem; }
    .stat-item { padding: 1rem .5rem; }
    .cta-buttons { flex-direction: column; align-items: stretch; }
    .cta-buttons .btn { justify-content: center; }
    .brand-text { font-size: .98rem; }
    .footer-nav-title { margin-top: 1.8rem; }
}
@media (max-width: 520px) {
    .hero-card { padding: 1.5rem; }
    .hero-stats { gap: .6rem; }
    .hero-stat .num { font-size: 1.15rem; }
    .news-thumb { height: 150px; }
    .news-body { padding: 1rem 1.1rem 1.2rem; }
    .news-body h3 { font-size: .95rem; }
    .brand-wrap { font-size: .95rem; }
    .brand-icon { width: 36px; height: 36px; font-size: .95rem; }
}

/* roulang page: category1 */
:root {
  --primary: #2d6bff;
  --primary-dark: #1a4fd8;
  --primary-light: #eaf0ff;
  --accent: #00c9a7;
  --accent-light: #d9f8f1;
  --bg-light: #f5f7fc;
  --bg-white: #ffffff;
  --text-main: #151b28;
  --text-body: #3c4559;
  --text-muted: #7a8499;
  --border: #e6e9f2;
  --border-light: #f0f2f8;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(21, 27, 40, .06);
  --shadow-md: 0 8px 30px rgba(45, 107, 255, .10);
  --shadow-lg: 0 16px 48px rgba(21, 27, 40, .12);
  --transition: all .25s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--bg-light);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 { font-weight: 700; color: var(--text-main); line-height: 1.3; margin: 0 0 .5rem; }
p { margin: 0 0 1rem; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; vertical-align: middle; }
button, input, select, textarea { font-family: inherit; }

.bg-soft { background: var(--bg-light); }
.text-muted { color: var(--text-muted) !important; }
.section-space { padding: 100px 0; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: 2.2rem; margin-bottom: 16px; letter-spacing: -1px; }
.section-head .lead { font-size: 1.08rem; color: var(--text-muted); }
.eyebrow {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .5px;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.btn { border-radius: 10px; font-weight: 600; padding: 10px 22px; transition: var(--transition); border: 0; }
.btn:focus { outline: none; box-shadow: 0 0 0 4px rgba(45, 107, 255, .18); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(45, 107, 255, .28); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 26px rgba(45, 107, 255, .36); }
.btn-outline-light { border: 1px solid rgba(255,255,255,.7); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.14); color: #fff; transform: translateY(-2px); }
.btn-outline-primary { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline-primary:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(45,107,255,.25); }

/* ===== 玻璃导航 ===== */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1080; padding: 14px 0; transition: var(--transition); }
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
}
.navbar-custom { background: transparent; padding: 0; }
.brand-wrap { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 1.25rem; }
.site-header.scrolled .brand-wrap { color: var(--text-main); }
.brand-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; font-size: 1.05rem;
  box-shadow: 0 4px 14px rgba(45,107,255,.35);
  flex-shrink: 0;
}
.brand-text { letter-spacing: .2px; }
.navbar-custom .navbar-nav .nav-link {
  color: rgba(255,255,255,.9);
  font-weight: 500;
  font-size: .98rem;
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}
.site-header.scrolled .navbar-custom .navbar-nav .nav-link { color: var(--text-body); }
.navbar-custom .navbar-nav .nav-link:hover,
.navbar-custom .navbar-nav .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.14);
}
.site-header.scrolled .navbar-custom .navbar-nav .nav-link:hover,
.site-header.scrolled .navbar-custom .navbar-nav .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-cta {
  background: var(--primary);
  color: #fff !important;
  padding: 8px 22px !important;
  border-radius: 100px;
  font-weight: 600 !important;
  box-shadow: 0 4px 16px rgba(45,107,255,.38);
}
.nav-cta:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(45,107,255,.48);
}
.site-header.scrolled .nav-cta { color: #fff !important; }
.navbar-toggler { border: 0; background: rgba(255,255,255,.14); border-radius: 8px; padding: 6px 10px; }
.site-header.scrolled .navbar-toggler { background: rgba(45,107,255,.12); }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(45,107,255,.25); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.site-header.scrolled .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(21,27,40,.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

/* ===== 页面 Banner ===== */
.page-banner {
  position: relative;
  background: linear-gradient(135deg, #0b1220 0%, #0f1f3d 55%, #1a3a68 100%);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 180px 0 100px;
  color: #fff;
}
.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,18,32,.92) 20%, rgba(15,31,61,.75) 60%, rgba(26,58,104,.55));
  z-index: 1;
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner .eyebrow {
  background: rgba(45,107,255,.35);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
}
.page-banner h1 {
  color: #fff;
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.page-banner .lead {
  color: rgba(255,255,255,.82);
  max-width: 620px;
  font-size: 1.12rem;
  line-height: 1.8;
}
.page-banner .breadcrumb-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: rgba(255,255,255,.68);
  font-size: .88rem;
  margin-bottom: 24px;
}
.page-banner .breadcrumb-nav a { color: rgba(255,255,255,.85); }
.page-banner .breadcrumb-nav a:hover { color: #fff; }
.page-banner .breadcrumb-nav .sep { opacity: .5; }

/* ===== 服务保障 ===== */
.feature-strip { padding: 28px 0; background: var(--bg-white); border-bottom: 1px solid var(--border); }
.feature-strip .feature-item { display: flex; align-items: center; gap: 12px; padding: 8px 4px; }
.feature-strip .feature-icon {
  width: 46px; height: 46px; flex-shrink: 0;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  background: var(--primary-light); color: var(--primary);
}

/* ===== 核心服务卡片 ===== */
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }
.service-card .icon-box {
  width: 58px; height: 58px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.45rem;
  margin-bottom: 22px;
  color: var(--primary);
  background: var(--primary-light);
  transition: var(--transition);
}
.service-card:hover .icon-box { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }
.service-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.service-card p { color: var(--text-muted); font-size: .95rem; margin-bottom: 0; }
.service-card .badge-extra { position: absolute; top: 18px; right: 18px; font-size: .75rem; }

/* ===== 图文分区 ===== */
.content-split { background: var(--bg-white); }
.split-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); height: 400px; object-fit: cover; width: 100%; }
.split-list { display: flex; flex-direction: column; gap: 18px; margin-top: 24px; }
.split-list-item { display: flex; gap: 14px; align-items: flex-start; }
.split-list-item .num {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-light); color: var(--primary);
  font-weight: 700; font-size: .9rem;
}
.split-list-item h4 { font-size: 1.05rem; margin-bottom: 4px; }
.split-list-item p { color: var(--text-muted); font-size: .92rem; margin-bottom: 0; }

/* ===== 登录流程 ===== */
.steps-section { background: linear-gradient(160deg, #0b1220 0%, #0f1f3d 70%, #1a3a68 100%); }
.steps-section .section-head h2 { color: #fff; }
.steps-section .section-head .lead { color: rgba(255,255,255,.72); }
.steps-section .eyebrow { background: rgba(45,107,255,.3); color: #fff; border: 1px solid rgba(255,255,255,.2); }
.step-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  min-height: 180px;
  position: relative;
  backdrop-filter: blur(6px);
  transition: var(--transition);
  height: 100%;
}
.step-card:hover { background: rgba(255,255,255,.11); transform: translateY(-4px); }
.step-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(255,255,255,.12);
  line-height: 1;
  position: absolute; top: 18px; right: 22px;
}
.step-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  font-size: 1.3rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.step-card h4 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; padding-right: 40px; }
.step-card p { color: rgba(255,255,255,.65); font-size: .88rem; margin-bottom: 0; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-light); }
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: var(--transition);
  margin-bottom: 16px;
}
.faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.faq-item h4 { font-size: 1.05rem; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.faq-item h4 i { color: var(--primary); font-size: .9rem; }
.faq-item p { color: var(--text-muted); font-size: .92rem; margin-bottom: 0; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: linear-gradient(120deg, var(--primary) 0%, #1a4fd8 100%);
  border-radius: 0;
  padding: 80px 0;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: -60%; right: -20%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,.15) 0%, transparent 60%);
  border-radius: 50%;
}
.cta-content { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; }
.cta-content h2 { color: #fff; font-size: 2rem; margin-bottom: 18px; }
.cta-content p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 28px; }
.cta-content .btn { background: #fff; color: var(--primary); font-weight: 700; padding: 12px 34px; border-radius: 100px; }
.cta-content .btn:hover { background: var(--text-main); color: #fff; transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0,0,0,.25); }

/* ===== 页脚 ===== */
.site-footer { background: #0b1220; color: rgba(255,255,255,.7); padding: 80px 0 30px; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.35rem; font-weight: 700; margin-bottom: 16px; }
.footer-brand .brand-icon { width: 40px; height: 40px; }
.footer-desc { color: rgba(255,255,255,.6); font-size: .95rem; line-height: 1.8; }
.footer-nav-title { color: #fff; font-size: 1.05rem; font-weight: 600; margin-bottom: 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.65); font-size: .92rem; }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: .92rem; margin-bottom: 12px; color: rgba(255,255,255,.6); }
.footer-contact-item i { color: var(--accent); width: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px;
  margin-top: 48px;
  text-align: center;
  color: rgba(255,255,255,.4);
  font-size: .85rem;
}
.footer-bottom p { margin-bottom: 0; }

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 16px 18px;
    margin-top: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
  }
  .navbar-custom .navbar-nav .nav-link { color: var(--text-body) !important; }
  .navbar-custom .navbar-nav .nav-link:hover,
  .navbar-custom .navbar-nav .nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-light);
  }
  .page-banner { padding: 150px 0 80px; }
  .page-banner h1 { font-size: 2.3rem; }
  .section-space { padding: 70px 0; }
}
@media (max-width: 767.98px) {
  .brand-wrap { font-size: 1.08rem; }
  .section-head h2 { font-size: 1.75rem; }
  .page-banner h1 { font-size: 1.9rem; }
  .page-banner .lead { font-size: .98rem; }
  .split-image { height: 300px; margin-bottom: 24px; }
  .step-card { min-height: 0; }
  .cta-content h2 { font-size: 1.6rem; }
}
@media (max-width: 575.98px) {
  .page-banner { padding: 130px 0 64px; }
  .page-banner h1 { font-size: 1.6rem; }
  .section-space { padding: 54px 0; }
  .service-card, .step-card, .faq-item { padding: 20px; }
  .feature-strip .feature-item { padding: 4px 0; }
}

/* roulang page: article */
:root {
            --primary: #2d6bff;
            --primary-dark: #1a4fd8;
            --primary-light: #5b8bff;
            --secondary: #00c9a7;
            --secondary-dark: #00a88a;
            --dark-bg: #0b1522;
            --dark-bg-2: #101e2e;
            --dark-card: #162333;
            --text-dark: #1a2332;
            --text-body: #4a5668;
            --text-muted: #8a94a6;
            --text-light: #e8edf5;
            --border-color: #e3e8f0;
            --bg-light: #f4f6fb;
            --bg-white: #ffffff;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 100px;
            --shadow-sm: 0 2px 8px rgba(16, 24, 40, .06);
            --shadow-md: 0 8px 24px rgba(16, 24, 40, .1);
            --shadow-lg: 0 16px 40px rgba(16, 24, 40, .14);
            --transition: all .3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            width: 0;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: 9999;
            transition: width .1s linear;
            border-radius: 0 3px 3px 0;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 21, 34, .55);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, .96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, .08);
            border-bottom-color: rgba(0, 0, 0, .05);
        }

        .site-header.scrolled .navbar-brand,
        .site-header.scrolled .nav-link {
            color: var(--text-dark);
        }

        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }

        .navbar-custom {
            padding: 14px 0;
        }

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

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(45, 107, 255, .35);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
            transition: var(--transition);
        }

        .site-header.scrolled .brand-text {
            color: var(--text-dark);
        }

        .navbar-custom .nav-link {
            color: rgba(255, 255, 255, .85);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }

        .navbar-custom .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .1);
        }

        .navbar-custom .nav-link.active {
            color: var(--secondary);
            background: rgba(0, 201, 167, .12);
            font-weight: 600;
        }

        .site-header.scrolled .navbar-custom .nav-link:hover {
            background: rgba(45, 107, 255, .08);
            color: var(--primary);
        }

        .navbar-custom .nav-cta {
            background: linear-gradient(135deg, var(--primary) 0%, #4d7fff 100%);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(45, 107, 255, .35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .navbar-custom .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 107, 255, .45);
            color: #fff;
        }

        .navbar-toggler {
            border-color: rgba(255, 255, 255, .5);
            padding: 4px 10px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .site-header.scrolled .navbar-toggler {
            border-color: rgba(0, 0, 0, .3);
        }

        .site-header.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0,0,0,0.6)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 180px 0 90px;
            background-color: var(--dark-bg);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            isolation: isolate;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 21, 34, .92) 0%, rgba(11, 21, 34, .7) 50%, rgba(45, 107, 255, .55) 100%);
            z-index: -1;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, .7);
            transition: var(--transition);
        }

        .hero-breadcrumb a:hover {
            color: var(--secondary);
        }

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, .4);
        }

        .hero-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 201, 167, .18);
            color: var(--secondary);
            border: 1px solid rgba(0, 201, 167, .3);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
            backdrop-filter: blur(8px);
        }

        .article-hero-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.4;
            max-width: 900px;
            margin-bottom: 20px;
            letter-spacing: .5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .3);
        }

        .article-hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, .75);
            font-size: 14px;
        }

        .article-hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-hero-meta i {
            color: var(--secondary);
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0 40px;
            background: var(--bg-light);
        }

        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px;
            position: relative;
            margin-top: -30px;
            z-index: 2;
        }

        .article-cover {
            border-radius: var(--radius-md);
            margin-bottom: 32px;
            width: 100%;
            object-fit: cover;
            max-height: 420px;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-body p {
            margin-bottom: 1.4rem;
        }

        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 2rem 0 1rem;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 1.6rem 0 .8rem;
        }

        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            margin: 1.4rem 0 .6rem;
        }

        .article-body img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.8rem 0;
        }

        .article-body ul,
        .article-body ol {
            margin-bottom: 1.4rem;
            padding-left: 1.5rem;
        }

        .article-body li {
            margin-bottom: .4rem;
        }

        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(0, 201, 167, .06);
            padding: 1.2rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.8rem 0;
            font-style: italic;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: var(--radius-md);
            overflow: hidden;
        }

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

        .article-body table th {
            background: var(--dark-bg);
            color: #fff;
            font-weight: 600;
        }

        .article-body table tr:nth-child(even) td {
            background: #f8fafc;
        }

        .article-share {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-share {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
        }

        .btn-share:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(45, 107, 255, .3);
        }

        .btn-copy {
            background: rgba(0, 201, 167, .08);
            border-color: rgba(0, 201, 167, .3);
            color: var(--secondary-dark);
        }

        .btn-copy:hover {
            background: var(--secondary);
            border-color: var(--secondary);
        }

        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found-box i {
            font-size: 3.5rem;
            color: #c0c8d4;
            margin-bottom: 20px;
        }

        .not-found-box h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary) 0%, #4d7fff 100%);
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 32px;
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            box-shadow: 0 4px 16px rgba(45, 107, 255, .3);
            transition: var(--transition);
        }

        .btn-primary-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(45, 107, 255, .4);
            color: #fff;
        }

        /* ===== Service Cards ===== */
        .service-section {
            padding: 60px 0 40px;
            background: var(--bg-light);
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-subtitle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(45, 107, 255, .08);
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 640px;
            margin: 0 auto;
        }

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

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s ease;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .service-card:hover::after {
            transform: scaleX(1);
        }

        .service-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: rgba(45, 107, 255, .1);
            color: var(--primary);
        }

        .service-card:nth-child(2) .service-card-icon {
            background: rgba(0, 201, 167, .12);
            color: var(--secondary-dark);
        }

        .service-card:nth-child(3) .service-card-icon {
            background: rgba(255, 171, 0, .12);
            color: #ff9500;
        }

        .service-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .service-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .service-card-link i {
            transition: transform .3s ease;
        }

        .service-card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Latest Posts ===== */
        .latest-section {
            padding: 60px 0;
            background: #fff;
        }

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

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .article-card-cover {
            position: relative;
            overflow: hidden;
            height: 180px;
        }

        .article-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .article-card:hover .article-card-cover img {
            transform: scale(1.08);
        }

        .article-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, .4) 100%);
        }

        .article-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(45, 107, 255, .9);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border: none;
            z-index: 2;
            backdrop-filter: blur(4px);
        }

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

        .article-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-title a {
            color: var(--text-dark);
        }

        .article-card-title a:hover {
            color: var(--primary);
        }

        .article-card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }

        .article-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .article-card-meta i {
            color: var(--primary-light);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 70px 0;
            background: var(--dark-bg);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            isolation: isolate;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 21, 34, .94) 0%, rgba(22, 35, 51, .88) 100%);
            z-index: -1;
        }

        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 201, 167, .15);
            color: var(--secondary);
            border-radius: var(--radius-pill);
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(0, 201, 167, .3);
            margin-bottom: 20px;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .7);
            font-size: 15px;
            margin-bottom: 32px;
        }

        .cta-btn {
            background: linear-gradient(135deg, var(--primary) 0%, #4d7fff 100%);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 14px 40px;
            font-weight: 600;
            font-size: 16px;
            box-shadow: 0 8px 24px rgba(45, 107, 255, .4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(45, 107, 255, .5);
            color: #fff;
        }

        .cta-btn .btn-circle {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1320;
            color: rgba(255, 255, 255, .7);
            padding: 64px 0 0;
            border-top: 3px solid var(--primary);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(45, 107, 255, .3);
        }

        .footer-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 18px;
            max-width: 420px;
        }

        .footer-nav-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-nav-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a::before {
            content: '';
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--primary-light);
            opacity: .5;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
            transform: translateX(4px);
        }

        .footer-links a:hover::before {
            background: var(--secondary);
            opacity: 1;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }

        .footer-contact-item i {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: rgba(45, 107, 255, .15);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero-title {
                font-size: 1.9rem;
            }

            .article-main {
                padding: 36px;
            }

            .service-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }

            .latest-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 768px) {
            .navbar-collapse {
                background: rgba(255, 255, 255, .98);
                border-radius: var(--radius-md);
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
            }

            .site-header.scrolled .navbar-collapse {
                background: rgba(255, 255, 255, .98);
            }

            .navbar-custom .nav-link {
                color: var(--text-dark);
                padding: 10px 14px !important;
                border-radius: 8px;
            }

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

            .navbar-custom .nav-link.active {
                background: rgba(45, 107, 255, .08);
                color: var(--primary);
            }

            .navbar-custom .nav-cta {
                display: inline-block;
                margin-top: 8px;
                text-align: center;
                width: 100%;
            }

            .article-hero {
                padding: 150px 0 70px;
            }

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

            .article-main {
                padding: 24px;
                margin-top: -20px;
            }

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

            .latest-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

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

            .cta-inner h2 {
                font-size: 1.5rem;
            }
        }

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

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

            .article-hero {
                padding: 130px 0 50px;
            }

            .article-hero-title {
                font-size: 1.25rem;
                line-height: 1.5;
            }

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

            .article-main {
                padding: 20px 18px;
                border-radius: 14px;
            }

            .article-body {
                font-size: 1rem;
            }

            .article-share {
                gap: 8px;
            }

            .btn-share {
                padding: 6px 14px;
                font-size: 12px;
            }

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

            .section-desc {
                font-size: 14px;
            }

            .site-footer {
                padding-top: 44px;
            }
        }