/* roulang page: index */
:root {
  --primary: #1a5cff;
  --primary-dark: #0f3fbf;
  --primary-light: #e8eefd;
  --secondary: #ff8c42;
  --secondary-dark: #e0671a;
  --accent: #00c2a8;
  --bg: #f5f7fc;
  --bg-white: #ffffff;
  --bg-deep: #0b1020;
  --text: #1c2330;
  --text-light: #5a6478;
  --text-lighter: #8a94a6;
  --border: #e3e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 12px rgba(20, 30, 60, 0.06);
  --shadow-md: 0 8px 30px rgba(20, 30, 60, 0.08);
  --shadow-lg: 0 16px 48px rgba(20, 30, 60, 0.12);
  --space-section: 96px;
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
button { cursor: pointer; font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--bg-white); }
.section-deep { background: var(--bg-deep); color: #fff; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-tag { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 600; padding: 6px 18px; border-radius: 30px; letter-spacing: 0.5px; margin-bottom: 14px; }
.section-title { font-size: 38px; font-weight: 800; line-height: 1.3; letter-spacing: -0.5px; margin-bottom: 14px; color: var(--text); }
.section-sub { font-size: 17px; color: var(--text-light); line-height: 1.7; }
.sec-head-divider { width: 56px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); margin: 18px auto 0; }

/* Header / Nav */
.site-header { background: var(--bg-white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 16px rgba(20,30,60,0.04); }
.header-top { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; max-width: var(--container); margin: 0 auto; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand em { font-style: normal; font-weight: 900; font-size: 26px; color: var(--primary); letter-spacing: -0.5px; }
.brand span { font-size: 14px; font-weight: 600; color: var(--text-light); background: var(--primary-light); padding: 4px 12px; border-radius: 20px; }
.header-tools { display: flex; align-items: center; gap: 14px; }
.header-search { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 30px; padding: 6px 16px; gap: 8px; width: 240px; }
.header-search input { border: none; outline: none; background: transparent; font-size: 14px; width: 100%; color: var(--text); }
.header-search i { color: var(--text-lighter); }
.header-cta { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; padding: 8px 22px; border-radius: 30px; font-size: 14px; font-weight: 600; border: none; transition: all 0.3s; }
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26, 92, 255, 0.35); }
.nav-tabs { border-top: 1px solid var(--border); }
.nav-tabs .container { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav-tabs .container::-webkit-scrollbar { display: none; }
.nav-tab { display: inline-flex; align-items: center; gap: 7px; padding: 14px 20px; font-size: 15px; font-weight: 600; color: var(--text-light); border-bottom: 3px solid transparent; white-space: nowrap; transition: all 0.25s; background: none; border-top: none; border-left: none; border-right: none; }
.nav-tab i { font-size: 14px; opacity: 0.7; }
.nav-tab:hover { color: var(--primary); background: var(--primary-light); border-bottom-color: var(--primary); }
.nav-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 700; }
.mobile-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 12px; font-size: 18px; color: var(--text); }
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .header-search { display: none; }
  .header-cta { display: none; }
  .header-top { padding: 14px 20px; }
  .nav-tab { padding: 12px 16px; font-size: 14px; }
  .brand em { font-size: 22px; }
}
@media (max-width: 520px) {
  .brand span { display: none; }
  .nav-tab { padding: 10px 14px; font-size: 13px; }
}

/* Hero */
.hero { position: relative; padding: 120px 0 100px; background: linear-gradient(135deg, #0b1020 0%, #141f3d 50%, #1a2d54 100%); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.4; }
.hero-shapes { position: absolute; inset: 0; pointer-events: none; }
.hero-shapes::before { content: ''; position: absolute; top: -120px; right: -80px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(26, 92, 255, 0.3), transparent 70%); }
.hero-shapes::after { content: ''; position: absolute; bottom: -100px; left: 20%; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 194, 168, 0.2), transparent 70%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero h1 { font-size: 52px; font-weight: 900; line-height: 1.2; color: #fff; letter-spacing: -1px; margin-bottom: 20px; }
.hero h1 .highlight { background: linear-gradient(90deg, #4d8bff, #00d4b8); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p.lead { font-size: 19px; color: rgba(255,255,255,0.85); line-height: 1.8; margin-bottom: 32px; max-width: 640px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 32px; border-radius: 30px; font-size: 15px; font-weight: 600; border: none; transition: all 0.3s ease; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 4px 18px rgba(26, 92, 255, 0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(26, 92, 255, 0.5); }
.btn-outline-light { background: transparent; border: 1.5px solid rgba(255,255,255,0.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-3px); }
.hero-meta { display: flex; gap: 24px; margin-top: 40px; flex-wrap: wrap; }
.hero-meta-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.7); font-size: 14px; }
.hero-meta-item i { color: var(--accent); }
@media (max-width: 768px) {
  .hero { padding: 70px 0 60px; }
  .hero h1 { font-size: 34px; }
  .hero p.lead { font-size: 16px; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: var(--bg-white); border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-sm); transition: all 0.3s ease; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-icon { width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 16px; }
.card-icon.blue { background: var(--primary-light); color: var(--primary); }
.card-icon.orange { background: #fff3e8; color: var(--secondary); }
.card-icon.teal { background: #e6faf5; color: var(--accent); }
.card-icon.purple { background: #f0ebff; color: #7b5cf0; }
.card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 14px; font-weight: 600; color: var(--primary); }
.card-link i { font-size: 12px; transition: transform 0.2s; }
.card-link:hover i { transform: translateX(4px); }
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* Feature Split */
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.feature-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.feature-image img { width: 100%; height: 420px; object-fit: cover; }
.feature-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.3)); border-radius: var(--radius-lg); }
.feature-badge { position: absolute; bottom: 20px; left: 20px; z-index: 2; background: rgba(255,255,255,0.95); border-radius: 30px; padding: 8px 18px; font-size: 13px; font-weight: 600; color: var(--text); box-shadow: var(--shadow-sm); display: flex; align-items: center; gap: 8px; }
.feature-badge i { color: var(--primary); }
.feature-info h2 { font-size: 34px; font-weight: 800; line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.5px; }
.feature-info > p { font-size: 16px; color: var(--text-light); margin-bottom: 28px; line-height: 1.8; }
.feature-list { list-style: none; padding: 0; margin: 0 0 28px; }
.feature-list li { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); align-items: flex-start; }
.feature-list li:last-child { border-bottom: none; }
.feature-list i { color: var(--accent); margin-top: 4px; font-size: 16px; }
.feature-list strong { display: block; font-size: 16px; font-weight: 600; color: var(--text); }
.feature-list span { font-size: 14px; color: var(--text-light); }
@media (max-width: 900px) {
  .feature-split { grid-template-columns: 1fr; gap: 32px; }
  .feature-image img { height: 300px; }
}

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 32px 20px; text-align: center; transition: all 0.3s; }
.stat-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.stat-item .num { font-size: 40px; font-weight: 900; color: #fff; line-height: 1.2; margin-bottom: 6px; }
.stat-item .num em { font-style: normal; color: var(--accent); }
.stat-item .label { font-size: 14px; color: rgba(255,255,255,0.7); }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item .num { font-size: 28px; }
}

/* Category Cards */
.cat-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); transition: all 0.3s; }
.cat-card img { width: 100%; height: 260px; object-fit: cover; transition: transform 0.5s; }
.cat-card:hover img { transform: scale(1.05); }
.cat-card-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.05) 30%, rgba(0,0,0,0.75) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; }
.cat-card h3 { color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.cat-card p { color: rgba(255,255,255,0.85); font-size: 14px; margin-bottom: 12px; }
.cat-card-link { display: inline-flex; align-items: center; gap: 6px; color: #fff; font-size: 14px; font-weight: 600; opacity: 0.9; }
.cat-card-link:hover { opacity: 1; gap: 10px; }
.cat-card-tag { position: absolute; top: 20px; left: 20px; background: rgba(255,255,255,0.9); border-radius: 20px; padding: 4px 14px; font-size: 12px; font-weight: 700; color: var(--primary); }
@media (max-width: 900px) {
  .cat-card img { height: 220px; }
}

/* News List */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-item { background: var(--bg-white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); transition: all 0.3s; display: flex; flex-direction: column; }
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.news-thumb { position: relative; overflow: hidden; }
.news-thumb img { width: 100%; height: 200px; object-fit: cover; transition: transform 0.4s; }
.news-item:hover .news-thumb img { transform: scale(1.04); }
.news-cat { position: absolute; top: 14px; left: 14px; background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px; }
.news-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.5; }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 14px; color: var(--text-light); margin-bottom: 14px; line-height: 1.6; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-lighter); }
.news-meta i { font-size: 12px; }
.news-meta .cat-label { color: var(--primary); font-weight: 600; }
.news-more { text-align: center; margin-top: 40px; }
.btn-more { display: inline-flex; align-items: center; gap: 8px; padding: 12px 36px; border-radius: 30px; border: 2px solid var(--primary); color: var(--primary); background: transparent; font-size: 15px; font-weight: 600; transition: all 0.3s; }
.btn-more:hover { background: var(--primary); color: #fff; gap: 12px; }
@media (max-width: 768px) {
  .news-grid { grid-template-columns: 1fr; }
}

/* Steps / Timeline */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
.steps::before { content: ''; position: absolute; top: 34px; left: 10%; right: 10%; height: 2px; background: linear-gradient(90deg, var(--primary), var(--accent)); opacity: 0.2; }
.step-item { position: relative; z-index: 1; text-align: center; padding: 0 8px; }
.step-num { width: 68px; height: 68px; margin: 0 auto 16px; border-radius: 50%; background: var(--bg-white); border: 3px solid var(--primary); display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: 800; color: var(--primary); box-shadow: 0 0 0 6px rgba(26, 92, 255, 0.1); transition: all 0.3s; }
.step-item:hover .step-num { background: var(--primary); color: #fff; transform: scale(1.08); }
.step-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps::before { display: none; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-md); margin-bottom: 14px; padding: 0; box-shadow: var(--shadow-sm); overflow: hidden; }
.faq-summary { padding: 22px 28px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text); transition: all 0.3s; gap: 16px; }
.faq-summary:hover { color: var(--primary); }
.faq-summary i { font-size: 18px; color: var(--primary); transition: transform 0.3s; flex-shrink: 0; }
.faq-content { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; border-top: 0px solid var(--border); }
.faq-content-inner { padding: 0 28px 22px; font-size: 14px; color: var(--text-light); line-height: 1.7; }
.faq-item.open .faq-content { max-height: 400px; border-top-width: 1px; }
.faq-item.open .faq-summary i { transform: rotate(180deg); }

/* CTA */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: var(--radius-lg); padding: 64px 48px; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -80px; right: -60px; width: 240px; height: 240px; border-radius: 50%; background: rgba(255,255,255,0.1); }
.cta-section::after { content: ''; position: absolute; bottom: -60px; left: 15%; width: 160px; height: 160px; border-radius: 50%; background: rgba(255,255,255,0.08); }
.cta-content { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-content h2 { color: #fff; font-size: 30px; font-weight: 800; margin-bottom: 10px; line-height: 1.3; }
.cta-content p { color: rgba(255,255,255,0.85); font-size: 16px; margin: 0; }
.cta-btn { background: #fff; color: var(--primary); padding: 14px 36px; border-radius: 30px; font-size: 16px; font-weight: 700; border: none; transition: all 0.3s; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,0.2); }
@media (max-width: 768px) {
  .cta-section { padding: 40px 24px; }
  .cta-content { flex-direction: column; text-align: center; }
}

/* Footer */
.site-footer { background: var(--bg-deep); color: #8892a6; padding: 64px 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand em { color: #fff; font-size: 26px; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-top: 14px; max-width: 340px; color: #6b7a8d; }
.footer-col h3 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: #8892a6; font-size: 14px; transition: all 0.25s; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { padding: 20px 0; text-align: center; font-size: 13px; color: #566173; }
.footer-bottom span { color: #6b7a8d; }
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

/* Responsive Utilities */
@media (max-width: 1024px) {
  :root { --space-section: 72px; }
  .section-title { font-size: 30px; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; }
  .section-title { font-size: 26px; }
  .container { padding: 0 20px; }
}
@media (max-width: 520px) {
  :root { --space-section: 48px; }
  .container { padding: 0 16px; }
  .section-title { font-size: 22px; }
}

/* roulang page: category1 */
:root{
  --primary:#1a73e8;
  --primary-dark:#0d47a1;
  --primary-light:#e8f0fe;
  --accent:#f5a623;
  --dark:#0f1923;
  --dark-2:#1a2332;
  --bg:#f5f7fa;
  --white:#ffffff;
  --text:#1e2a3a;
  --text-muted:#6b7a8f;
  --border:#e2e8f0;
  --radius:14px;
  --radius-lg:24px;
  --shadow-sm:0 2px 8px rgba(15,25,35,0.06);
  --shadow-md:0 6px 20px rgba(15,25,35,0.09);
  --shadow-lg:0 16px 48px rgba(15,25,35,0.12);
  --transition:all .28s cubic-bezier(.4,0,.2,1);
  --container:1280px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
input,button,textarea{font-family:inherit;font-size:inherit;outline:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text)}
.section{padding:88px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-head .tag{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:5px 16px;border-radius:100px;margin-bottom:16px;letter-spacing:.5px}
.section-head h2{font-size:36px;margin-bottom:12px}
.section-head p{color:var(--text-muted);font-size:16px;line-height:1.8}

/* Header */
.site-header{background:var(--dark);position:sticky;top:0;z-index:999;box-shadow:0 4px 20px rgba(0,0,0,0.18)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:4px;font-size:22px;font-weight:800;letter-spacing:.5px;line-height:1}
.brand em{font-style:normal;color:#fff;font-weight:800}
.brand span{background:rgba(255,255,255,0.1);color:#8ab4ff;padding:4px 8px;border-radius:6px;font-size:14px;font-weight:600}
.header-right{display:flex;align-items:center;gap:20px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,0.1);border-radius:100px;padding:8px 16px;width:260px;transition:var(--transition);border:1px solid rgba(255,255,255,0.08)}
.search-box:focus-within{background:rgba(255,255,255,0.14);border-color:rgba(138,180,255,0.4)}
.search-box i{color:#8ab4ff;font-size:14px;margin-right:8px}
.search-box input{background:transparent;border:none;color:#fff;width:100%;font-size:14px}
.search-box input::placeholder{color:rgba(255,255,255,0.5)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:100px;font-weight:600;font-size:15px;border:none;cursor:pointer;transition:var(--transition);text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(26,115,232,0.3)}
.btn-accent{background:var(--accent);color:#1a1a1a}
.btn-accent:hover{background:#e09105;color:#1a1a1a;transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,166,35,0.3)}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,0.3);color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.1);color:#fff}
.btn-lg{padding:16px 40px;font-size:17px;border-radius:100px}

/* Nav Tabs */
.nav-tabs{background:var(--dark-2);border-top:1px solid rgba(255,255,255,0.05);border-bottom:1px solid rgba(255,255,255,0.05);padding:0;position:sticky;top:68px;z-index:998}
.nav-tabs .container{display:flex;align-items:center;gap:4px;padding:8px 24px;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.nav-tabs .container::-webkit-scrollbar{display:none}
.nav-tab{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:100px;font-size:15px;font-weight:600;color:rgba(255,255,255,0.65);transition:var(--transition);border:1px solid transparent;text-decoration:none}
.nav-tab i{font-size:14px}
.nav-tab:hover{color:#fff;background:rgba(255,255,255,0.08)}
.nav-tab.active{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(26,115,232,0.4)}
.nav-tab.active:hover{background:var(--primary);color:#fff}

/* Page Banner */
.page-banner{position:relative;background-size:cover;background-position:center;padding:110px 0 80px;color:#fff;text-align:center;overflow:hidden}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(15,25,35,0.85) 0%,rgba(15,25,35,0.6) 50%,rgba(26,115,232,0.4) 100%)}
.page-banner .container{position:relative;z-index:2}
.page-banner .breadcrumb{display:flex;justify-content:center;gap:8px;font-size:14px;color:rgba(255,255,255,0.7);margin-bottom:20px;font-weight:500}
.page-banner .breadcrumb a{color:rgba(255,255,255,0.7)}
.page-banner .breadcrumb a:hover{color:#fff}
.page-banner .breadcrumb i{font-size:10px;align-self:center;opacity:0.6}
.page-banner h1{font-size:52px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:1px}
.page-banner .banner-desc{font-size:17px;color:rgba(255,255,255,0.85);max-width:640px;margin:0 auto 32px;line-height:1.8}
.page-banner .banner-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.page-banner .banner-badges{display:flex;justify-content:center;gap:10px;margin-top:24px;flex-wrap:wrap}
.page-banner .banner-badges span{background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.18);backdrop-filter:blur(8px);padding:6px 18px;border-radius:100px;font-size:13px;color:rgba(255,255,255,0.9)}

/* Cards Grid */
.grid-x{margin:0 -16px}
.grid-x .cell{padding:0 16px;margin-bottom:32px}

/* Prepare Cards */
.prep-card{background:var(--white);border-radius:var(--radius-lg);padding:36px 32px;height:100%;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border);position:relative;overflow:hidden}
.prep-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(26,115,232,0.25)}
.prep-card .card-icon{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:20px;background:var(--primary-light);color:var(--primary)}
.prep-card:nth-child(2) .card-icon{background:#fff3e0;color:#f5a623}
.prep-card:nth-child(3) .card-icon{background:#e8f5e9;color:#4caf50}
.prep-card .card-num{position:absolute;top:18px;right:24px;font-size:44px;font-weight:800;color:rgba(15,25,35,0.06)}
.prep-card h3{font-size:19px;margin-bottom:10px}
.prep-card p{color:var(--text-muted);font-size:15px;line-height:1.7}

/* Steps Timeline */
.steps-wrap{background:var(--white);border-radius:var(--radius-lg);padding:56px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.steps-list{display:flex;flex-direction:column;gap:0}
.step-item{display:flex;gap:32px;position:relative;padding-bottom:44px}
.step-item:last-child{padding-bottom:0}
.step-item::before{content:"";position:absolute;left:33px;top:68px;bottom:0;width:2px;background:linear-gradient(to bottom,var(--primary-light),var(--border))}
.step-item:last-child::before{display:none}
.step-num{width:68px;height:68px;min-width:68px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;box-shadow:0 8px 24px rgba(26,115,232,0.28);position:relative;z-index:2;border:4px solid #fff}
.step-item:nth-child(2) .step-num{background:var(--accent);box-shadow:0 8px 24px rgba(245,166,35,0.28)}
.step-item:nth-child(3) .step-num{background:#4caf50;box-shadow:0 8px 24px rgba(76,175,80,0.28)}
.step-content{flex:1;padding-top:6px}
.step-content h3{font-size:21px;margin-bottom:8px}
.step-content p{color:var(--text-muted);font-size:15px;line-height:1.8}
.step-content .step-tips{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.step-content .step-tips span{background:var(--bg);border-radius:100px;padding:4px 14px;font-size:13px;color:var(--text);border:1px solid var(--border)}

/* Method Cards */
.method-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);height:100%;border:1px solid var(--border);display:flex;flex-direction:column}
.method-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.method-card .method-img{position:relative;height:200px;overflow:hidden}
.method-card .method-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.method-card:hover .method-img img{transform:scale(1.06)}
.method-card .method-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(15,25,35,0.4),transparent)}
.method-card .method-img .method-badge{position:absolute;top:16px;left:16px;background:rgba(26,115,232,0.92);color:#fff;padding:5px 14px;border-radius:100px;font-size:12px;font-weight:600;z-index:2}
.method-card .method-body{padding:28px;flex:1;display:flex;flex-direction:column}
.method-card .method-body h3{font-size:19px;margin-bottom:8px}
.method-card .method-body p{color:var(--text-muted);font-size:14px;line-height:1.7;flex:1}
.method-card .method-body .method-link{margin-top:16px;font-weight:600;font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}

/* FAQ */
.faq-wrap{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:48px;border:1px solid var(--border)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.faq-item{background:var(--bg);border-radius:16px;padding:24px 28px;border:1px solid var(--border);transition:var(--transition)}
.faq-item:hover{border-color:rgba(26,115,232,0.3);box-shadow:var(--shadow-sm);background:#fff}
.faq-item .faq-q{display:flex;align-items:flex-start;gap:14px;font-weight:600;font-size:16px;color:var(--text);margin-bottom:10px}
.faq-item .faq-q i{color:var(--primary);font-size:18px;margin-top:4px}
.faq-item .faq-a{padding-left:32px;color:var(--text-muted);font-size:14px;line-height:1.8}

/* CTA Section */
.cta-section{background:linear-gradient(135deg,var(--dark) 0%,#162a4a 60%,var(--primary-dark) 100%);padding:90px 0;text-align:center;position:relative;overflow:hidden}
.cta-section::before{content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,0.04)}
.cta-section::after{content:"";position:absolute;bottom:-40px;left:-40px;width:160px;height:160px;border-radius:50%;background:rgba(26,115,232,0.2)}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{color:#fff;font-size:38px;margin-bottom:14px}
.cta-section p{color:rgba(255,255,255,0.75);max-width:560px;margin:0 auto 36px;font-size:17px;line-height:1.8}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.7);padding-top:64px;padding-bottom:28px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:48px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:18px;color:rgba(255,255,255,0.55)}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:20px;font-weight:600;position:relative;padding-bottom:10px}
.footer-col h3::after{content:"";position:absolute;bottom:0;left:0;width:32px;height:2px;background:var(--primary);border-radius:2px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{color:rgba(255,255,255,0.55);font-size:14px;text-decoration:none;transition:var(--transition)}
.footer-col ul a:hover{color:#8ab4ff;padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:28px;font-size:13px;color:rgba(255,255,255,0.4)}

/* Responsive */
@media(max-width:1024px){
  .section{padding:64px 0}
  .section-head h2{font-size:30px}
  .page-banner h1{font-size:42px}
  .search-box{width:200px}
  .faq-grid{grid-template-columns:1fr}
  .steps-wrap{padding:40px}
}
@media(max-width:768px){
  .site-header .container{height:60px;padding:0 16px}
  .search-box{display:none}
  .nav-tabs{top:60px}
  .nav-tabs .container{padding:6px 16px}
  .nav-tab{padding:8px 18px;font-size:14px}
  .section{padding:50px 0}
  .section-head h2{font-size:26px}
  .page-banner{padding:80px 0 60px}
  .page-banner h1{font-size:32px}
  .page-banner .banner-desc{font-size:15px}
  .steps-wrap{padding:28px 20px}
  .step-item{flex-direction:column;gap:16px;padding-bottom:36px}
  .step-item::before{left:33px;top:74px;bottom:10px}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
  .cta-section h2{font-size:28px}
  .cta-section{padding:64px 0}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .section-head h2{font-size:22px}
  .page-banner h1{font-size:26px}
  .page-banner .banner-btns .btn{width:100%;justify-content:center}
  .brand{font-size:18px}
  .brand span{font-size:12px}
  .btn-lg{width:100%;justify-content:center}
  .faq-wrap{padding:28px 20px}
  .faq-item{padding:20px}
  .faq-item .faq-a{padding-left:0}
  .prep-card{padding:28px 22px}
  .step-num{width:56px;height:56px;min-width:56px;font-size:20px}
  .step-item::before{left:27px}
  .method-card .method-img{height:170px}
}

/* roulang page: article */
:root {
    --primary: #13294b;
    --primary-2: #1e4c7a;
    --primary-3: #2e6da4;
    --accent: #c8a44b;
    --accent-2: #e07a4f;
    --bg: #f4f6f9;
    --bg-deep: #0a1828;
    --white: #ffffff;
    --text: #1c2b3a;
    --text-light: #64748b;
    --text-muted: #8b9aa9;
    --border: #dce3ea;
    --border-light: #e9eef3;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(19, 41, 75, 0.06);
    --shadow-md: 0 8px 28px rgba(19, 41, 75, 0.09);
    --shadow-lg: 0 18px 50px rgba(19, 41, 75, 0.14);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
input, button, textarea {
    font-family: inherit;
    outline: none;
}
button {
    cursor: pointer;
    border: none;
    background: none;
}
ul, ol {
    list-style: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.muted {
    color: var(--text-muted);
    font-size: 14px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 60px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 18px rgba(19, 41, 75, 0.24);
}
.btn-primary:hover {
    background: var(--primary-2);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(19, 41, 75, 0.3);
    color: #fff;
}
.btn-accent {
    background: var(--accent);
    color: #13294b;
    box-shadow: 0 4px 18px rgba(200, 164, 75, 0.32);
}
.btn-accent:hover {
    background: #b8953a;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(200, 164, 75, 0.35);
    color: #13294b;
}
.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}
.btn-block {
    width: 100%;
}
.btn-light {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.1);
}
.btn-light:hover {
    background: rgba(255, 255, 255, 0.92);
    transform: translateY(-2px);
}

/* 标签与徽章 */
.tag-badge {
    display: inline-block;
    padding: 7px 18px;
    background: rgba(200, 164, 75, 0.18);
    border: 1px solid rgba(200, 164, 75, 0.45);
    color: var(--accent);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
}
.tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(30, 76, 122, 0.08);
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 13px;
    color: var(--primary-2);
    font-weight: 500;
    transition: var(--transition);
}
.tag:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

/* 区块标题 */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.section-title-wrap {
    display: flex;
    flex-direction: column;
}
.section-title-wrap .pre-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-title-wrap .pre-title::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--accent);
    display: inline-block;
    border-radius: 2px;
}
.section-title {
    font-size: 30px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--primary);
    letter-spacing: -0.02em;
}
.section-desc {
    color: var(--text-light);
    margin-top: 8px;
    max-width: 520px;
    font-size: 15px;
}

/* ===== 页头 ===== */
.site-header {
    background: #fff;
    box-shadow: 0 2px 20px rgba(19, 41, 75, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-top {
    border-bottom: 1px solid var(--border-light);
    background: #fff;
}
.header-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 14px;
    padding-bottom: 14px;
}
.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}
.brand em {
    font-style: normal;
    font-weight: 800;
    font-size: 26px;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
}
.brand span {
    font-weight: 700;
    font-size: 18px;
    color: var(--accent);
    background: rgba(200, 164, 75, 0.16);
    padding: 4px 12px;
    border-radius: 20px;
    margin-left: 8px;
    line-height: 1.3;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 0 6px 0 16px;
    height: 44px;
    width: 260px;
    transition: var(--transition);
}
.search-box:focus-within {
    border-color: var(--primary-3);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(46, 109, 164, 0.12);
}
.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--text);
    min-width: 0;
}
.search-box input::placeholder {
    color: var(--text-muted);
}
.search-box button {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.search-box button:hover {
    background: var(--accent);
}
.nav-tabs {
    background: var(--primary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-tabs .container {
    display: flex;
    align-items: center;
    gap: 4px;
    padding-top: 0;
    padding-bottom: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-tabs .container::-webkit-scrollbar {
    display: none;
}
.nav-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 24px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    text-decoration: none;
}
.nav-tab i {
    font-size: 15px;
    opacity: 0.8;
}
.nav-tab:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}
.nav-tab.active {
    color: #fff;
    font-weight: 600;
    border-bottom-color: var(--accent);
    background: linear-gradient(180deg, rgba(200, 164, 75, 0.14), rgba(200, 164, 75, 0));
}

/* ===== 文章 Hero ===== */
.page-hero {
    position: relative;
    padding: 72px 0 64px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(128deg, rgba(11, 27, 43, 0.92) 0%, rgba(19, 41, 75, 0.78) 52%, rgba(10, 25, 45, 0.86) 100%);
    z-index: 1;
}
.page-hero::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 360px;
    height: 360px;
    background-image: radial-gradient(rgba(255, 255, 255, 0.14) 1.5px, transparent 1.5px);
    background-size: 22px 22px;
    z-index: 2;
    opacity: 0.5;
}
.page-hero .container {
    position: relative;
    z-index: 3;
    max-width: 1040px;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.62);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.72);
    text-decoration: none;
    transition: var(--transition);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb .sep {
    color: rgba(255, 255, 255, 0.35);
}
.hero-tag-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}
.page-hero h1 {
    font-size: clamp(28px, 4.2vw, 44px);
    font-weight: 800;
    line-height: 1.25;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    max-width: 780px;
}
.hero-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.hero-meta i {
    color: var(--accent);
    font-size: 15px;
}

/* ===== 文章主体 ===== */
.article-body-section {
    padding: 60px 0 70px;
}
.article-main {
    margin-bottom: 30px;
}
.article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
}
.article-cover {
    position: relative;
    overflow: hidden;
    background: var(--bg-deep);
}
.article-cover img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.article-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(10, 24, 40, 0.3));
}
.article-content-inner {
    padding: 48px 52px;
}
.article-content {
    font-size: 16.5px;
    line-height: 1.85;
    color: #33455a;
}
.article-content p {
    margin-bottom: 20px;
}
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 38px 0 18px;
    padding-left: 16px;
    border-left: 4px solid var(--accent);
    color: var(--primary);
    line-height: 1.3;
}
.article-content h3 {
    font-size: 19px;
    font-weight: 600;
    margin: 28px 0 12px;
    color: var(--primary);
}
.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 22px 0 10px;
    color: var(--primary-2);
}
.article-content img {
    border-radius: var(--radius-md);
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}
.article-content ul,
.article-content ol {
    margin: 16px 0 22px;
    padding-left: 26px;
}
.article-content ul li {
    list-style: disc;
    margin-bottom: 8px;
}
.article-content ol li {
    list-style: decimal;
    margin-bottom: 8px;
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(200, 164, 75, 0.08);
    padding: 18px 22px;
    border-radius: 0 14px 14px 0;
    font-style: italic;
    color: #4d5e70;
    margin: 24px 0;
    font-size: 15.5px;
}
.article-content a {
    color: var(--primary-3);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover {
    color: var(--accent-2);
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 52px 36px;
    border-top: 1px solid var(--border-light);
}
.article-tags .tag {
    font-size: 14px;
}

/* 内容未找到 */
.not-found-box {
    padding: 80px 50px;
    text-align: center;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.not-found-box .icon {
    font-size: 52px;
    color: var(--accent);
    margin-bottom: 20px;
}
.not-found-box h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}
.not-found-box p {
    color: var(--text-light);
    margin-bottom: 28px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 侧边栏 ===== */
.sidebar {
    padding-left: 8px;
}
.side-card {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 28px;
    margin-bottom: 24px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.side-card:hover {
    box-shadow: var(--shadow-md);
}
.side-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-light);
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
}
.side-card h3::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 36px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.side-list li {
    margin-bottom: 2px;
}
.side-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 14.5px;
    color: var(--text);
    border-radius: 8px;
    transition: var(--transition);
    text-decoration: none;
}
.side-list a:hover {
    color: var(--primary-2);
    padding-left: 6px;
    background: rgba(30, 76, 122, 0.05);
}
.side-list .list-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    transition: var(--transition);
}
.side-list a:hover .list-dot {
    background: var(--primary-3);
    transform: scale(1.3);
}
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tag-cloud .tag {
    padding: 8px 16px;
    font-size: 14px;
}
.cta-card {
    background: linear-gradient(145deg, var(--primary) 0%, var(--primary-2) 100%);
    color: #fff;
    border: none;
    position: relative;
    overflow: hidden;
}
.cta-card::after {
    content: "";
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(200, 164, 75, 0.14);
}
.cta-card h3 {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.15);
}
.cta-card h3::after {
    background: var(--accent);
}
.cta-card p {
    color: rgba(255, 255, 255, 0.76);
    font-size: 14px;
    margin-bottom: 22px;
}
.cta-card .btn {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

/* ===== 相关推荐 ===== */
.related-section {
    background: var(--white);
    padding: 70px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.news-card {
    display: block;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
    text-decoration: none;
    color: inherit;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(200, 164, 75, 0.4);
}
.news-card .card-media {
    position: relative;
    overflow: hidden;
    height: 200px;
    background: var(--bg-deep);
}
.news-card .card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.news-card:hover .card-media img {
    transform: scale(1.06);
}
.news-card .card-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(19, 41, 75, 0.82);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 30px;
    letter-spacing: 0.5px;
}
.news-card .card-content {
    padding: 24px 26px 22px;
}
.news-card .card-content h3 {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--primary);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 51px;
}
.news-card .card-content p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.news-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
}
.news-card .read-link {
    color: var(--primary-3);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.news-card .read-link i {
    transition: transform 0.3s ease;
}
.news-card:hover .read-link i {
    transform: translateX(4px);
}
.empty-tip {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
    background: var(--bg);
    border-radius: var(--radius-md);
    font-size: 15px;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    padding: 90px 0;
    background: var(--bg-deep) url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    text-align: center;
    color: #fff;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(130deg, rgba(10, 24, 40, 0.92) 0%, rgba(19, 41, 75, 0.84) 50%, rgba(10, 24, 40, 0.9) 100%);
}
.cta-section .container {
    position: relative;
    z-index: 2;
    max-width: 720px;
}
.cta-section h2 {
    font-size: clamp(26px, 3.6vw, 38px);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
    letter-spacing: -0.02em;
}
.cta-section p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 34px;
    line-height: 1.7;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.cta-section .btn-light {
    color: var(--primary);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-deep);
    color: rgba(255, 255, 255, 0.72);
    padding: 64px 0 30px;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}
.footer-brand p {
    margin-top: 18px;
    font-size: 14.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    max-width: 360px;
}
.footer-col h3 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 14.5px;
    text-decoration: none;
    transition: var(--transition);
}
.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    display: flex;
    justify-content: center;
    text-align: center;
    font-size: 13.5px;
    color: rgba(255, 255, 255, 0.4);
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    .article-cover img {
        height: 360px;
    }
    .article-content-inner {
        padding: 36px 32px;
    }
    .article-tags {
        padding: 18px 32px 30px;
    }
    .sidebar {
        padding-left: 0;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}
@media (max-width: 768px) {
    .header-top .container {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding-top: 14px;
        padding-bottom: 14px;
    }
    .header-actions {
        justify-content: space-between;
    }
    .search-box {
        width: 100%;
        flex: 1;
    }
    .header-actions .btn-sm {
        display: none;
    }
    .nav-tab {
        padding: 13px 18px;
        font-size: 14px;
    }
    .page-hero {
        padding: 48px 0 40px;
    }
    .page-hero h1 {
        font-size: 28px;
    }
    .hero-meta {
        gap: 12px;
        flex-wrap: wrap;
    }
    .article-body-section {
        padding: 30px 0 40px;
    }
    .article-cover img {
        height: 260px;
    }
    .article-content-inner {
        padding: 28px 20px;
    }
    .article-tags {
        padding: 16px 20px 24px;
    }
    .section-title {
        font-size: 25px;
    }
    .section-header {
        margin-bottom: 28px;
    }
    .related-section {
        padding: 48px 0;
    }
    .cta-section {
        padding: 62px 0;
    }
    .cta-section p {
        font-size: 15px;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }
    .footer-brand p {
        max-width: 100%;
    }
}
@media (max-width: 520px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .brand em {
        font-size: 22px;
    }
    .brand span {
        font-size: 15px;
        padding: 3px 9px;
    }
    .search-box {
        width: 100%;
        height: 40px;
    }
    .nav-tab {
        padding: 12px 14px;
        font-size: 13.5px;
    }
    .page-hero h1 {
        font-size: 24px;
        line-height: 1.35;
    }
    .breadcrumb {
        font-size: 13px;
        margin-bottom: 14px;
    }
    .tag-badge {
        padding: 5px 14px;
        font-size: 12px;
    }
    .hero-meta {
        font-size: 13px;
        gap: 10px;
    }
    .article-cover img {
        height: 200px;
    }
    .article-content {
        font-size: 15.5px;
    }
    .article-content h2 {
        font-size: 21px;
    }
    .article-tags {
        flex-direction: column;
        align-items: flex-start;
    }
    .news-card .card-content {
        padding: 20px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .cta-actions .btn {
        width: 100%;
    }
    .footer-top {
        gap: 26px;
    }
}

/* roulang page: category2 */
:root {
            --primary: #c8a15a;
            --primary-hover: #b89145;
            --primary-light: #f3ead8;
            --accent: #1a2b4a;
            --accent-dark: #101c30;
            --accent-light: #2c4470;
            --bg: #f7f4ee;
            --bg-alt: #eef1f6;
            --bg-dark: #101c30;
            --text: #1e293b;
            --text-muted: #71839a;
            --border: #ece6db;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 10px rgba(16, 28, 48, .05);
            --shadow-md: 0 10px 30px rgba(16, 28, 48, .08);
            --shadow-lg: 0 24px 60px rgba(16, 28, 48, .12);
            --transition: all .3s ease;
            --container: 1200px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
        }
        .header-main {
            padding: 14px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 26px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: .5px;
            line-height: 1.2;
        }
        .brand .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #e2c385);
            color: #fff;
            border-radius: 12px;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(200, 161, 90, .35);
        }
        .brand span {
            color: var(--primary);
            font-weight: 700;
            margin-left: 2px;
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-wrap {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 6px 6px 16px;
            width: 280px;
            transition: var(--transition);
        }
        .search-wrap:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(200, 161, 90, .15);
        }
        .search-wrap input {
            flex: 1;
            font-size: 14px;
            color: var(--text);
            background: transparent;
        }
        .search-wrap button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            font-size: 13px;
        }
        .search-wrap button:hover {
            background: var(--primary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: 999px;
            padding: 10px 26px;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 161, 90, .35);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 161, 90, .45);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .6);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-dark {
            background: var(--accent);
            color: #fff;
        }
        .btn-dark:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--accent);
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--primary);
        }
        .nav-tabs {
            background: var(--accent);
            padding: 0;
            box-shadow: 0 4px 16px rgba(16, 28, 48, .3);
        }
        .nav-tabs .container {
            display: flex;
            gap: 4px;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-wrap: nowrap;
        }
        .nav-tabs .container::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 22px;
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 0;
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-tab i {
            font-size: 14px;
        }
        .nav-tab:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .nav-tab.active {
            color: #fff;
            background: rgba(255, 255, 255, .1);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        /* ========== Hero ========== */
        .hero-single {
            position: relative;
            padding: 90px 0 110px;
            background: linear-gradient(135deg, rgba(16, 28, 48, .92), rgba(26, 43, 74, .82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .hero-single::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(rgba(200, 161, 90, .25) 1px, transparent 1px);
            background-size: 28px 28px;
            pointer-events: none;
        }
        .hero-single .breadcrumb {
            display: flex;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 22px;
            align-items: center;
        }
        .hero-single .breadcrumb a {
            color: rgba(255, 255, 255, .8);
        }
        .hero-single .breadcrumb a:hover {
            color: var(--primary);
        }
        .hero-single .breadcrumb span {
            color: rgba(255, 255, 255, .4);
        }
        .hero-single h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            max-width: 720px;
        }
        .hero-single h1 em {
            font-style: normal;
            color: var(--primary);
        }
        .hero-single p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .75);
            max-width: 640px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(200, 161, 90, .2);
            border: 1px solid rgba(200, 161, 90, .5);
            color: #e8c986;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
        }
        /* ========== Section ========== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-header .tag-line {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-hover);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.7;
        }
        /* ========== Category Intro ========== */
        .intro-wrap {
            display: flex;
            gap: 48px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .intro-content {
            flex: 1 1 60%;
        }
        .intro-content h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .intro-content p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 20px;
        }
        .intro-tags {
            flex: 1 1 28%;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .intro-tags h4 {
            font-size: 18px;
            color: var(--accent);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .intro-tags h4 i {
            color: var(--primary);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
            cursor: default;
        }
        .tag-item:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-hover);
            transform: translateY(-2px);
        }
        /* ========== Event Cards ========== */
        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .event-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .event-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .event-thumb {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .event-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .event-card:hover .event-thumb img {
            transform: scale(1.06);
        }
        .event-status {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            z-index: 2;
        }
        .event-status.open {
            background: rgba(46, 160, 67, .9);
        }
        .event-status.soon {
            background: rgba(200, 161, 90, .9);
        }
        .event-status.done {
            background: rgba(113, 131, 154, .9);
        }
        .event-body {
            padding: 24px;
        }
        .event-meta {
            display: flex;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .event-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .event-meta i {
            color: var(--primary);
            font-size: 12px;
        }
        .event-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .event-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .event-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .event-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .event-link:hover {
            color: var(--primary-hover);
            gap: 10px;
        }
        /* ========== Timeline ========== */
        .timeline {
            position: relative;
            max-width: 760px;
            margin: 0 auto;
            padding-left: 36px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent-light));
            border-radius: 999px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 34px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-node {
            position: absolute;
            left: -34px;
            top: 22px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #fff;
            border: 5px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(200, 161, 90, .2);
            z-index: 2;
        }
        .timeline-node.done {
            border-color: #7a8aa5;
            box-shadow: 0 0 0 4px rgba(122, 138, 165, .18);
        }
        .timeline-node.soon {
            border-color: var(--accent-light);
            box-shadow: 0 0 0 4px rgba(44, 68, 112, .15);
        }
        .timeline-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .timeline-date {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary-hover);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        .timeline-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 6px;
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .timeline-state {
            position: absolute;
            top: 22px;
            right: 24px;
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
        }
        .timeline-state.done {
            color: #71839a;
            background: #eef0f3;
        }
        .timeline-state.open {
            color: #2ea043;
            background: #e6f4ea;
        }
        .timeline-state.soon {
            color: #b89145;
            background: #f8f0dd;
        }
        /* ========== News List ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }
        .news-list-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 26px;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(243, 234, 216, .35);
        }
        .news-item .news-tag {
            display: inline-flex;
            background: var(--primary-light);
            color: var(--primary-hover);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .news-item .news-title {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
        }
        .news-item .news-title:hover {
            color: var(--primary-hover);
        }
        .news-item .news-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .news-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .news-widget h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-widget h4 i {
            color: var(--primary);
        }
        .widget-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .widget-tags a {
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 13px;
            transition: var(--transition);
        }
        .widget-tags a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .widget-featured {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .widget-featured a {
            font-size: 14px;
            color: var(--text);
            line-height: 1.5;
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }
        .widget-featured a::before {
            content: '\f0da';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary);
            font-size: 12px;
            margin-top: 4px;
        }
        .widget-featured a:hover {
            color: var(--primary-hover);
        }
        /* ========== Stats ========== */
        .stats-section {
            background: linear-gradient(135deg, rgba(16, 28, 48, .94), rgba(26, 43, 74, .88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 161, 90, .18), transparent 60%);
            border-radius: 50%;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .stat-item {
            padding: 20px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
            border-color: rgba(200, 161, 90, .4);
        }
        .stat-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(200, 161, 90, .5);
        }
        .faq-item summary {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--accent);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--primary);
            transition: all .3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            color: var(--primary-hover);
        }
        .faq-item .faq-body {
            padding: 0 28px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }
        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(16, 28, 48, .94), rgba(26, 43, 74, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 100px 0;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(200, 161, 90, .2), transparent 60%);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
            position: relative;
            z-index: 2;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .brand {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .brand em {
            font-style: normal;
            font-weight: 800;
        }
        .footer-brand .brand span {
            background: rgba(255, 255, 255, .1);
            color: #8ab4ff;
            padding: 2px 10px;
            border-radius: 6px;
            font-size: 14px;
            margin-left: 4px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 360px;
        }
        .footer-col h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, .55);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .search-wrap {
                width: 220px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .hero-single {
                padding: 60px 0 80px;
            }
            .hero-single h1 {
                font-size: 32px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .search-wrap {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-tabs .container {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding: 0 12px;
                gap: 2px;
            }
            .nav-tab {
                padding: 12px 14px;
                font-size: 14px;
                flex-shrink: 0;
            }
            .nav-tab i {
                display: none;
            }
            .intro-wrap {
                flex-direction: column;
                gap: 30px;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-num {
                font-size: 32px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline-node {
                left: -28px;
            }
            .timeline-state {
                position: static;
                display: inline-block;
                margin-top: 8px;
            }
            .cta-section {
                padding: 70px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-single h1 {
                font-size: 26px;
            }
            .hero-single p {
                font-size: 15px;
            }
            .btn {
                padding: 9px 20px;
                font-size: 14px;
            }
            .brand {
                font-size: 22px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding: 18px 20px;
            }
            .news-item .news-date {
                font-size: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .faq-item summary {
                padding: 18px 20px;
                font-size: 15px;
            }
            .faq-item .faq-body {
                padding: 0 20px 20px;
                font-size: 14px;
            }
            .timeline-card {
                padding: 18px 20px;
            }
        }