/* roulang page: index */
:root {
  --primary: #0B3B60;
  --primary-hover: #0A4B75;
  --primary-active: #082E4A;
  --secondary: #2E7CAD;
  --accent: #D99441;
  --accent-hover: #C98435;
  --bg: #F6F7F9;
  --card-bg: #FFFFFF;
  --border: #E4E7EB;
  --text: #27313B;
  --text-light: #6B7684;
  --text-lighter: #9AA5B1;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 20px rgba(11,59,96,0.06);
  --shadow-hover: 0 10px 28px rgba(11,59,96,0.12);
  --container: 1280px;
  --transition: 0.25s ease;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-stack); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
ul, ol { list-style: none; }
button, input { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; position: relative; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600;
  font-size: 15px; line-height: 1.4; cursor: pointer; transition: all var(--transition);
  white-space: nowrap; border: 1.5px solid transparent;
}
.btn--primary { background: var(--primary); color: #fff; }
.btn--primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(11,59,96,0.18); }
.btn--primary:active { background: var(--primary-active); transform: translateY(0); }
.btn--secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn--secondary:hover { background: #E8F1F7; border-color: var(--secondary); color: var(--secondary); transform: translateY(-2px); }
.btn--accent { background: var(--accent); color: #1D1B16; font-weight: 700; }
.btn--accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(217,148,65,0.25); }
.btn--accent:active { transform: translateY(0); }
.btn--block { width: 100%; }

.section { padding: 88px 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 52px; }
.section-header .tag {
  display: inline-block; background: rgba(46,124,173,0.1); color: var(--secondary);
  font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 40px; letter-spacing: 1px; margin-bottom: 16px;
}
.section-header h2 { font-size: 32px; font-weight: 700; color: var(--primary); line-height: 1.3; }
.section-header p { color: var(--text-light); font-size: 16px; margin-top: 12px; }

/* Header / Nav Dock */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 24px 0; pointer-events: none;
}
.nav-dock {
  max-width: var(--container); margin: 0 auto;
  background: rgba(255,255,255,0.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(228,231,235,0.8); border-radius: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px 10px 20px; box-shadow: 0 6px 24px rgba(11,59,96,0.08);
  pointer-events: auto;
}
.brand { display: flex; align-items: baseline; gap: 2px; flex-shrink: 0; }
.brand__mark { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.brand__text { font-size: 16px; font-weight: 600; color: var(--secondary); }
.brand:hover .brand__text { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 18px; border-radius: 40px; font-size: 15px; font-weight: 500;
  color: var(--text); transition: all var(--transition);
}
.nav-link:hover { background: #E8F1F7; color: var(--secondary); }
.nav-link.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 40px; padding: 0 14px; height: 40px; gap: 8px; transition: all var(--transition); }
.search-box:focus-within { border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(46,124,173,0.12); background: #fff; }
.search-box input { width: 140px; font-size: 14px; color: var(--text); }
.search-box input::placeholder { color: var(--text-lighter); }
.search-box button { color: var(--text-light); cursor: pointer; font-size: 14px; }
.search-box button:hover { color: var(--secondary); }
.nav-cta { padding: 10px 22px; font-size: 14px; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.mobile-toggle span { width: 22px; height: 2px; background: var(--primary); border-radius: 2px; transition: all var(--transition); }
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { padding: 140px 0 80px; position: relative; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; }
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11,59,96,0.55) 0%, rgba(11,59,96,0.25) 45%, rgba(246,247,249,0.92) 100%);
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.hero__cover { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-hover); position: relative; }
.hero__cover img { width: 100%; height: 420px; object-fit: cover; }
.hero__cover::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px; background: linear-gradient(to top, rgba(11,59,96,0.35), transparent); }
.hero__live-tag { position: absolute; top: 20px; left: 20px; background: rgba(11,59,96,0.75); backdrop-filter: blur(8px); color: #fff; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 40px; display: flex; align-items: center; gap: 8px; z-index: 2; }
.hero__live-tag .dot { width: 8px; height: 8px; border-radius: 50%; background: #F2B25E; animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(217,148,65,0.6); } 70% { box-shadow: 0 0 0 8px rgba(217,148,65,0); } 100% { box-shadow: 0 0 0 0 rgba(217,148,65,0); } }
.hero__cover-angle { position: absolute; bottom: 18px; left: 20px; color: #fff; font-size: 13px; font-weight: 500; z-index: 2; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.hero__content { color: var(--text); }
.hero__content .hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.85); border: 1px solid rgba(228,231,235,0.7); border-radius: 40px; padding: 5px 16px; font-size: 13px; font-weight: 600; color: var(--secondary); margin-bottom: 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.04); }
.hero__content h1 { font-size: 42px; line-height: 1.25; color: var(--primary); font-weight: 800; margin-bottom: 14px; letter-spacing: -0.5px; }
.hero__subtitle { font-size: 17px; color: var(--text); margin-bottom: 24px; line-height: 1.8; }
.hero__event-title { display: flex; align-items: center; gap: 10px; padding: 14px 18px; background: rgba(255,255,255,0.8); border-radius: 12px; border-left: 4px solid var(--accent); margin-bottom: 24px; font-size: 16px; font-weight: 600; color: var(--primary); box-shadow: 0 2px 12px rgba(0,0,0,0.05); }
.hero__event-title i { color: var(--accent); }
.countdown { display: flex; gap: 14px; margin-bottom: 28px; }
.countdown__item { text-align: center; padding: 14px 12px; border: 1.5px dashed rgba(46,124,173,0.35); border-radius: 12px; background: rgba(255,255,255,0.6); min-width: 76px; }
.countdown__num { display: block; font-size: 36px; font-weight: 800; color: var(--accent); line-height: 1.1; font-variant-numeric: tabular-nums; }
.countdown__label { font-size: 12px; color: var(--text-light); margin-top: 4px; letter-spacing: 1px; }
.hero__points { margin-bottom: 28px; }
.hero__points li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(228,231,235,0.7); font-size: 15px; color: var(--text); }
.hero__points li:last-child { border-bottom: none; }
.hero__points li i { color: var(--secondary); font-size: 15px; margin-top: 4px; flex-shrink: 0; }
.subscribe-form { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.subscribe-form input {
  flex: 1; min-width: 200px; padding: 12px 18px; border: 1.5px solid #D8DDE3; border-radius: 40px;
  background: #fff; font-size: 14px; transition: all var(--transition); color: var(--text);
}
.subscribe-form input:focus { border-color: var(--secondary); box-shadow: 0 0 0 4px rgba(46,124,173,0.12); }
.subscribe-form input::placeholder { color: var(--text-lighter); }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__actions .btn { min-width: 150px; }
.hero__actions .btn i { margin-right: 8px; }

/* Stats Bar */
.stats { padding: 56px 0 64px; background: #fff; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.stat-item { text-align: center; padding: 24px 16px; }
.stat-item .stat-num { font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-item .stat-num em { font-style: normal; color: var(--accent); }
.stat-item .stat-label { font-size: 14px; color: var(--text-light); margin-top: 8px; letter-spacing: 1px; }
.stat-item .stat-desc { font-size: 13px; color: var(--text-lighter); margin-top: 4px; }

/* News / CMS List */
.news { background: var(--bg); }
.news-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; }
.news-header h2 { font-size: 30px; font-weight: 700; color: var(--primary); }
.news-header .view-all {
  font-size: 14px; font-weight: 600; color: var(--secondary); display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border: 1px solid var(--border); border-radius: 40px; background: #fff; transition: all var(--transition);
}
.news-header .view-all:hover { border-color: var(--secondary); background: #E8F1F7; }
.news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.news-card { background: var(--card-bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); transition: all var(--transition); }
.news-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: rgba(46,124,173,0.4); }
.news-card__link { display: flex; flex-direction: column; height: 100%; }
.news-card__cover { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.news-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-card__cover img { transform: scale(1.04); }
.news-card__badge {
  position: absolute; left: 14px; bottom: 12px; background: rgba(11,59,96,0.82); color: #fff;
  font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 40px; backdrop-filter: blur(4px);
}
.news-card__body { padding: 20px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-card__body h3 { font-size: 18px; font-weight: 700; color: var(--text); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color var(--transition); }
.news-card:hover .news-card__body h3 { color: var(--secondary); }
.news-card__body p { font-size: 14px; color: var(--text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-lighter); margin-top: auto; padding-top: 12px; border-top: 1px solid #F0F2F4; }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 80px 40px; background: #F0F5FA; border-radius: var(--radius); border: 1px dashed rgba(46,124,173,0.3); }
.empty-state__icon { font-size: 44px; margin-bottom: 16px; display: block; }
.empty-state p { font-size: 16px; color: var(--text-light); margin-bottom: 20px; }

/* Features */
.features { background: #fff; }
.feature-block { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 40px 0; }
.feature-block + .feature-block { border-top: 1px solid var(--border); margin-top: 40px; padding-top: 80px; }
.feature-block--reverse .feature-media { order: 2; }
.feature-media { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); position: relative; }
.feature-media img { width: 100%; height: 340px; object-fit: cover; transition: transform 0.5s ease; }
.feature-media:hover img { transform: scale(1.03); }
.feature-media .feature-media__tag { position: absolute; top: 18px; left: 18px; background: rgba(255,255,255,0.9); color: var(--primary); font-size: 13px; font-weight: 700; padding: 6px 16px; border-radius: 40px; box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.feature-content h3 { font-size: 30px; font-weight: 700; color: var(--primary); margin-bottom: 16px; line-height: 1.3; }
.feature-content p { color: var(--text-light); font-size: 16px; line-height: 1.8; margin-bottom: 24px; }
.feature-list { margin-bottom: 32px; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; padding: 8px 0; font-size: 15px; color: var(--text); }
.feature-list li i { color: var(--secondary); margin-top: 5px; flex-shrink: 0; }
.feature-cta { font-weight: 600; font-size: 15px; color: var(--secondary); display: inline-flex; align-items: center; gap: 8px; border-bottom: 2px solid transparent; transition: all var(--transition); }
.feature-cta:hover { border-bottom-color: var(--secondary); gap: 12px; }

/* Category Guide */
.category-guide { background: var(--bg); }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.guide-card { border-radius: 20px; overflow: hidden; position: relative; min-height: 340px; display: flex; align-items: flex-end; box-shadow: var(--shadow); transition: all var(--transition); border: 1px solid var(--border); }
.guide-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,59,96,0.78) 0%, rgba(11,59,96,0.15) 60%, rgba(0,0,0,0) 100%); z-index: 1; }
.guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.guide-card__bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.5s ease; }
.guide-card:hover .guide-card__bg { transform: scale(1.05); }
.guide-card__content { position: relative; z-index: 2; padding: 36px 32px; color: #fff; width: 100%; }
.guide-card__content .guide-tag { display: inline-block; background: var(--accent); color: #1D1B16; font-size: 12px; font-weight: 700; padding: 4px 14px; border-radius: 40px; margin-bottom: 14px; letter-spacing: 0.5px; }
.guide-card__content h3 { font-size: 28px; font-weight: 700; margin-bottom: 10px; text-shadow: 0 2px 8px rgba(0,0,0,0.2); }
.guide-card__content p { font-size: 15px; line-height: 1.7; margin-bottom: 20px; opacity: 0.95; max-width: 90%; }
.guide-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: #fff; background: rgba(255,255,255,0.16); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.3); padding: 10px 22px; border-radius: 40px; transition: all var(--transition); }
.guide-link:hover { background: var(--accent); border-color: var(--accent); color: #1D1B16; gap: 12px; }

/* FAQ */
.faq { background: #fff; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: 14px; margin-bottom: 14px; background: var(--card-bg); overflow: hidden; transition: all var(--transition); }
.faq-item.open { border-color: rgba(46,124,173,0.35); box-shadow: 0 4px 16px rgba(11,59,96,0.06); }
.faq-item__question { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; text-align: left; background: transparent; transition: all var(--transition); }
.faq-item__question:hover { color: var(--secondary); }
.faq-item__question .faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: #F0F5FA; display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--secondary); transition: all var(--transition); }
.faq-item.open .faq-icon { transform: rotate(180deg); background: var(--secondary); color: #fff; }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-item__answer { max-height: 400px; }
.faq-item__answer-inner { padding: 0 24px 22px; font-size: 14px; color: var(--text-light); line-height: 1.85; border-left: 3px solid rgba(46,124,173,0.25); margin-left: 24px; }

/* CTA */
.cta { background: linear-gradient(135deg, #F8FAFC 0%, #EAF0F5 100%); }
.cta-box { text-align: center; padding: 72px 48px; background: #fff; border-radius: 24px; box-shadow: var(--shadow); max-width: 860px; margin: 0 auto; border: 1px solid var(--border); }
.cta-box h2 { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 16px; line-height: 1.3; }
.cta-box p { font-size: 17px; color: var(--text-light); margin-bottom: 36px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-box .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-box .btn { min-width: 160px; }

/* Footer */
.site-footer { background: #0B2B43; color: rgba(255,255,255,0.85); padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 56px; }
.footer-brand .footer-logo { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.footer-brand .footer-logo span { color: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 14px; }
.footer-contact li i { color: var(--accent); margin-top: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom .footer-links { display: flex; gap: 24px; }
.footer-bottom .footer-links a { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom .footer-links a:hover { color: var(--accent); }

/* Back to top */
.back-top { position: fixed; bottom: 32px; right: 32px; z-index: 999; width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(11,59,96,0.3); opacity: 0; visibility: hidden; transition: all var(--transition); cursor: pointer; }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--secondary); transform: translateY(-3px); }

/* Responsive */
@media (max-width: 1024px) {
  .hero { padding: 130px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__cover img { height: 340px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-block { gap: 40px; }
  .stats-grid { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-link { padding: 8px 12px; font-size: 14px; }
  .search-box { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-header h2 { font-size: 26px; }
  .site-header { padding: 12px 16px 0; }
  .nav-dock { padding: 8px 12px; border-radius: 40px; }
  .main-nav {
    position: fixed; top: 74px; left: 16px; right: 16px; z-index: 999;
    background: rgba(255,255,255,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow-hover);
    flex-direction: column; align-items: stretch; padding: 16px; gap: 6px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-link { display: block; padding: 14px 18px; border-radius: 12px; }
  .nav-link.active { background: var(--primary); }
  .mobile-toggle { display: flex; }
  .nav-cta { padding: 9px 16px; font-size: 13px; }
  .hero { padding: 120px 0 48px; }
  .hero__content h1 { font-size: 32px; }
  .hero__subtitle { font-size: 15px; }
  .countdown { flex-wrap: wrap; }
  .countdown__item { min-width: 64px; }
  .countdown__num { font-size: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item .stat-num { font-size: 34px; }
  .feature-block { grid-template-columns: 1fr; gap: 32px; }
  .feature-block--reverse .feature-media { order: 0; }
  .feature-media img { height: 260px; }
  .guide-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 280px; }
  .cta-box { padding: 48px 24px; }
  .cta-box h2 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-header { flex-direction: column; gap: 14px; align-items: flex-start; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero__content h1 { font-size: 27px; }
  .hero__actions .btn { width: 100%; }
  .hero__actions { flex-direction: column; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form input { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 16px 8px; }
  .stat-item .stat-num { font-size: 28px; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
  --primary: #0B3B60;
  --primary-hover: #0A4B75;
  --primary-deep: #082D4A;
  --secondary: #2E7CAD;
  --secondary-bg: #E8F1F7;
  --accent: #D99441;
  --accent-deep: #C17F2E;
  --bg: #F6F7F9;
  --card-bg: #FFFFFF;
  --border: #E4E7EB;
  --text-main: #27313B;
  --text-sub: #6B7684;
  --text-light: #9AA6B2;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 60px;
  --shadow-sm: 0 6px 20px rgba(11, 59, 96, 0.06);
  --shadow-hover: 0 10px 28px rgba(11, 59, 96, 0.12);
  --shadow-accent: 0 6px 18px rgba(217, 148, 65, 0.25);
  --container-w: 1280px;
  --space-section: 80px;
  --space-block: 40px;
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans CJK SC', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.25s ease;
}
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: var(--font-main);
  font-size: 14px;
  border: none;
  outline: none;
  background: none;
}
input:focus {
  outline: none;
}
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
section {
  padding: var(--space-section) 0;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  background: var(--secondary-bg);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
  line-height: 1.4;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(11, 59, 96, 0.18);
}
.btn-primary:active {
  background: var(--primary-deep);
  transform: translateY(0);
}
.btn-secondary {
  background: #fff;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-secondary:hover {
  background: var(--secondary-bg);
  border-color: var(--secondary);
  color: var(--secondary);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-deep);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}
.btn-lg {
  padding: 15px 40px;
  font-size: 16px;
  border-radius: 12px;
}
.btn-block {
  width: 100%;
}

/* ===== Header 导航 Dock ===== */
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
}
.nav-dock {
  max-width: var(--container-w);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  border: 1px solid rgba(228, 231, 235, 0.8);
  box-shadow: 0 8px 30px rgba(11, 59, 96, 0.07);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.brand-logo span {
  color: var(--accent);
  font-weight: 500;
  font-size: 17px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  flex: 1;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 50px;
  transition: all var(--transition-fast);
}
.nav-link:hover {
  background: var(--secondary-bg);
  color: var(--secondary);
}
.nav-link.active {
  background: var(--primary);
  color: #fff;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-search {
  display: flex;
  align-items: center;
  background: #F0F2F5;
  border-radius: 50px;
  padding: 0 14px;
  height: 38px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}
.nav-search:focus-within {
  border-color: var(--secondary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(46, 124, 173, 0.12);
}
.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  font-size: 13px;
  color: var(--text-main);
  width: 110px;
  transition: width var(--transition-smooth);
}
.nav-search input:focus {
  width: 150px;
}
.nav-search i {
  font-size: 14px;
  color: var(--text-sub);
}
.nav-cta {
  padding: 9px 22px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--secondary-bg);
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all var(--transition-smooth);
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero 引导区 ===== */
.hero-guide {
  position: relative;
  padding: 180px 0 80px;
  background: linear-gradient(rgba(11, 59, 96, 0.75), rgba(11, 59, 96, 0.75)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-guide .container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.hero-guide h1 {
  font-size: 46px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 2px;
  line-height: 1.25;
  margin-bottom: 18px;
}
.hero-guide .hero-sub {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.9;
  max-width: 600px;
  margin: 0 auto 30px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-actions .btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.hero-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.24);
  border-color: #fff;
  color: #fff;
}
.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-metrics .metric {
  text-align: center;
  color: #fff;
}
.hero-metrics .metric .num {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 2px;
}
.hero-metrics .metric .label {
  font-size: 13px;
  opacity: 0.75;
}

/* ===== 卖点区（左右交替） ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 72px;
}
.feature-row:last-child {
  margin-bottom: 0;
}
.feature-row.reverse .feature-image {
  order: 2;
}
.feature-row.reverse .feature-text {
  order: 1;
}
.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}
.feature-image img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(11, 59, 96, 0.22), transparent);
  pointer-events: none;
}
.feature-image:hover img {
  transform: scale(1.03);
}
.feature-text h3 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 14px;
}
.feature-text p {
  font-size: 16px;
  color: var(--text-sub);
  line-height: 1.85;
  margin-bottom: 20px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 15px;
  color: var(--text-main);
  border-bottom: 1px dashed var(--border);
}
.feature-list li:last-child {
  border-bottom: none;
}
.feature-list i {
  color: var(--accent);
  margin-top: 4px;
  font-size: 14px;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--secondary);
  font-weight: 600;
  font-size: 15px;
  margin-top: 12px;
  transition: gap var(--transition-fast);
}
.feature-link:hover {
  gap: 12px;
  color: var(--primary);
}

/* ===== Banner ===== */
.banner-cta {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(11, 59, 96, 0.92), rgba(46, 124, 173, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 64px 48px;
  margin: 0 auto;
  max-width: var(--container-w);
  text-align: center;
  box-shadow: var(--shadow-hover);
}
.banner-cta h2 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.3;
}
.banner-cta p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto 28px;
  line-height: 1.8;
}
.banner-cta .btn-accent {
  background: var(--accent);
  padding: 14px 38px;
  font-size: 16px;
}

/* ===== 适用场景 ===== */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scene-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}
.scene-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--secondary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.scene-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 124, 173, 0.4);
}
.scene-card:hover::before {
  opacity: 1;
}
.scene-icon {
  width: 54px;
  height: 54px;
  background: var(--secondary-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--secondary);
  margin-bottom: 20px;
}
.scene-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}
.scene-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

/* ===== 流程 ===== */
.steps-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.step-card {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}
.step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(11, 59, 96, 0.2);
  position: relative;
}
.step-card::after {
  content: '→';
  position: absolute;
  top: 45px;
  right: -16px;
  color: var(--accent);
  font-size: 22px;
  z-index: 2;
}
.step-card:last-child::after {
  display: none;
}
.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== 内容推荐卡 ===== */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.content-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: block;
}
.content-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 124, 173, 0.4);
}
.content-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.content-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.content-card:hover .content-cover img {
  transform: scale(1.05);
}
.content-badge {
  position: absolute;
  left: 14px;
  bottom: 12px;
  background: rgba(11, 59, 96, 0.82);
  color: #fff;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}
.content-body {
  padding: 20px;
}
.content-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.content-body p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.content-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.content-meta i {
  margin-right: 4px;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-smooth);
}
.faq-item:hover {
  box-shadow: var(--shadow-hover);
}
.faq-item.open {
  border-color: rgba(46, 124, 173, 0.5);
  box-shadow: var(--shadow-hover);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-question:hover {
  color: var(--secondary);
}
.faq-question i {
  font-size: 14px;
  color: var(--text-sub);
  transition: transform var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
  color: var(--secondary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 24px 22px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.85;
  border-left: 3px solid var(--secondary);
  padding-left: 16px;
}

/* ===== 最终 CTA ===== */
.final-cta {
  background: linear-gradient(135deg, rgba(11, 59, 96, 0.95), rgba(8, 45, 74, 0.95)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-radius: 24px;
  padding: 72px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  margin: 40px 0 0;
}
.final-cta h2 {
  font-size: 34px;
  font-weight: 700;
  margin-bottom: 12px;
}
.final-cta p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 460px;
  margin: 0 auto 28px;
  line-height: 1.8;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #0B2B43;
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 0;
  margin-top: 72px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-logo {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-logo span {
  color: var(--accent);
  font-weight: 500;
  font-size: 18px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.85;
  opacity: 0.7;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  opacity: 0.7;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}
.footer-col ul a:hover {
  opacity: 1;
  color: var(--accent);
}
.footer-contact li {
  font-size: 14px;
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--accent);
  width: 16px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-size: 13px;
  opacity: 0.6;
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a {
  font-size: 13px;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 64px;
  }
  .feature-row {
    gap: 36px;
  }
  .feature-image img {
    height: 260px;
  }
  .content-grid,
  .scene-grid {
    gap: 18px;
  }
}
@media (max-width: 768px) {
  :root {
    --space-section: 48px;
    --space-block: 28px;
  }
  .site-header {
    top: 12px;
    padding: 0 12px;
  }
  .nav-dock {
    padding: 8px 14px;
  }
  .brand-logo {
    font-size: 19px;
  }
  .brand-logo span {
    font-size: 15px;
  }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 8px;
    display: none;
    z-index: 999;
    border: 1px solid var(--border);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links .nav-link {
    display: block;
    padding: 12px 18px;
    border-radius: 12px;
    text-align: center;
    font-size: 15px;
  }
  .nav-search {
    display: none;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
  .hero-guide {
    padding: 160px 0 60px;
  }
  .hero-guide h1 {
    font-size: 34px;
  }
  .hero-guide .hero-sub {
    font-size: 15px;
  }
  .hero-metrics {
    gap: 24px;
    margin-top: 40px;
  }
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .feature-image img {
    height: 220px;
  }
  .feature-text h3 {
    font-size: 24px;
  }
  .scene-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .step-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .step-card::after {
    display: none;
  }
  .content-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .banner-cta {
    padding: 44px 24px;
  }
  .banner-cta h2 {
    font-size: 26px;
  }
  .final-cta {
    padding: 52px 24px;
  }
  .final-cta h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  :root {
    --space-section: 40px;
  }
  .container {
    padding: 0 16px;
  }
  .hero-guide h1 {
    font-size: 28px;
    letter-spacing: 1px;
  }
  .hero-guide .hero-sub {
    font-size: 14px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-metrics .metric .num {
    font-size: 22px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .section-head p {
    font-size: 14px;
  }
  .step-grid {
    grid-template-columns: 1fr;
  }
  .step-card::after {
    display: none;
  }
  .step-card {
    padding: 20px 12px;
  }
  .feature-list li {
    font-size: 14px;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root {
  --primary: #0B3B60;
  --primary-dark: #0A4B75;
  --primary-deep: #082D4A;
  --secondary: #2E7CAD;
  --accent: #D99441;
  --accent-dark: #C88436;
  --bg: #F6F7F9;
  --card: #FFFFFF;
  --border: #E4E7EB;
  --text: #27313B;
  --text-light: #6B7684;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 20px rgba(11,59,96,0.06);
  --shadow-hover: 0 10px 28px rgba(11,59,96,0.12);
  --nav-dock: rgba(255,255,255,0.85);
  --max-width: 1280px;
  --transition: 0.25s;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
button, input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--primary); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; }

/* ==== Buttons ==== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(11,59,96,0.25); }
.btn-primary:active { background: var(--primary-deep); transform: translateY(0); }
.btn-secondary { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: #E8F1F7; border-color: var(--secondary); color: var(--secondary); }
.btn-accent { background: var(--accent); color: #1F2A36; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(217,148,65,0.3); }
.btn-sm { padding: 8px 20px; font-size: 13px; border-radius: 30px; }
.btn:focus-visible { outline: 3px solid rgba(46,124,173,0.4); outline-offset: 2px; }

/* ==== Header / Nav ==== */
.site-header {
  position: sticky;
  top: 18px;
  z-index: 1000;
  padding: 0 24px;
  margin-bottom: 8px;
}
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 16px;
  background: var(--nav-dock);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 60px;
  box-shadow: 0 8px 30px rgba(11,59,96,0.08);
  transition: var(--transition);
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 42px;
  height: 42px;
  background: var(--primary);
  color: #fff;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(11,59,96,0.2);
}
.brand-text { font-size: 18px; font-weight: 800; color: var(--primary); letter-spacing: 0.2px; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 18px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s;
  white-space: nowrap;
}
.nav-link:hover { background: #E8F1F7; color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; font-weight: 600; }
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover { background: #E8F1F7; color: var(--secondary); }
.nav-toggle:focus-visible { outline: 3px solid rgba(46,124,173,0.4); }

/* ==== Breadcrumb ==== */
.breadcrumb-wrap { padding: 28px 0 0; }
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
}
.breadcrumb a { color: var(--text-light); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb .sep { font-size: 10px; color: #B0B7C2; }
.breadcrumb .current {
  color: var(--text);
  max-width: 360px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ==== Article Hero ==== */
.article-hero {
  position: relative;
  padding: 48px 0 32px;
  background: linear-gradient(165deg, #EDF5FA 0%, #F8FAFC 55%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -40px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(46,124,173,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.article-hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(217,148,65,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.article-hero .inner {
  position: relative;
  z-index: 1;
}
.category-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(217,148,65,0.12);
  border: 1px solid rgba(217,148,65,0.2);
  color: #B97B2E;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}
.article-hero h1 {
  font-size: 2.6rem;
  line-height: 1.25;
  color: var(--primary);
  margin-bottom: 18px;
  letter-spacing: -0.3px;
  max-width: 780px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--text-light);
  font-size: 14px;
  padding-bottom: 8px;
}
.article-meta span {
  display: flex;
  align-items: center;
  gap: 7px;
}
.article-meta i { color: var(--secondary); width: 15px; text-align: center; }

/* ==== Article Body ==== */
.article-body { padding: 32px 0 24px; }
.article-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 48px 56px;
  position: relative;
  overflow: hidden;
}
.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 56px;
  right: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--secondary), transparent);
  border-radius: 0 0 4px 4px;
}
.article-content { font-size: 17px; color: var(--text); }
.article-content p {
  line-height: 1.9;
  margin-bottom: 24px;
  font-size: 17px;
}
.article-content h2 {
  font-size: 24px;
  color: var(--primary);
  margin: 40px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #E8F1F7;
}
.article-content h3 {
  font-size: 20px;
  color: var(--primary);
  margin: 32px 0 14px;
}
.article-content h4 {
  font-size: 17px;
  color: var(--primary);
  margin: 26px 0 12px;
}
.article-content img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin: 28px 0;
}
.article-content a {
  color: var(--secondary);
  border-bottom: 1px solid rgba(46,124,173,0.3);
  transition: var(--transition);
}
.article-content a:hover { border-bottom-color: var(--accent); color: var(--accent-dark); }
.article-content ul, .article-content ol { margin: 0 0 24px 8px; }
.article-content ul li, .article-content ol li {
  margin-bottom: 10px;
  padding-left: 6px;
  line-height: 1.8;
}
.article-content ul li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 12px;
  vertical-align: middle;
}
.article-content ol { list-style: decimal; }
.article-content ol li::marker { color: var(--secondary); font-weight: 600; }
.article-content blockquote {
  border-left: 3px solid var(--accent);
  background: #FFF9F0;
  padding: 18px 24px;
  border-radius: 0 14px 14px 0;
  margin: 28px 0;
  color: var(--text-light);
  font-style: italic;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}
.article-content th { background: #F0F3F6; font-weight: 600; color: var(--primary); }
.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}
.article-content code {
  background: #F0F3F6;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 14px;
  color: var(--secondary);
}

/* ==== Not Found ==== */
.not-found-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 80px 48px;
  text-align: center;
}
.not-found-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: #E8F1F7;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 34px;
  color: var(--secondary);
}
.not-found-card h1 { font-size: 30px; margin-bottom: 10px; }
.not-found-card p { color: var(--text-light); margin-bottom: 28px; }

/* ==== Pagination ==== */
.article-pagination { padding: 0 0 56px; }
.pagination-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.pagination-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 14px;
  color: var(--text);
  transition: var(--transition);
  background: #fff;
}
.pagination-link:hover {
  border-color: var(--secondary);
  color: var(--secondary);
  background: #F6FAFC;
  transform: translateY(-2px);
}
.pagination-link.disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  border-style: dashed;
}
.pagination-link.back-link {
  border: none;
  background: transparent;
  color: var(--secondary);
  font-weight: 600;
}
.pagination-link.back-link:hover {
  color: var(--primary);
  background: #E8F1F7;
}

/* ==== Related Section ==== */
.related-section {
  padding: 72px 0;
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-head { margin-bottom: 40px; }
.section-head h2 { font-size: 32px; margin-bottom: 8px; }
.section-head p { color: var(--text-light); font-size: 15px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: #C9DDEC;
}
.related-thumb {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #E8F1F7;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-info { padding: 20px 22px 22px; }
.related-info h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}
.related-card:hover .related-info h3 { color: var(--secondary); }
.related-info .related-tag {
  font-size: 12px;
  color: var(--secondary);
  font-weight: 600;
  display: inline-block;
  padding: 3px 12px;
  background: #E8F1F7;
  border-radius: 20px;
}

/* ==== CTA Section ==== */
.cta-section {
  position: relative;
  padding: 88px 0;
  background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(246, 247, 249, 0.93);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 { font-size: 34px; line-height: 1.3; margin-bottom: 14px; }
.cta-inner p { color: var(--text-light); font-size: 16px; margin-bottom: 32px; line-height: 1.8; }
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 22px;
}
.cta-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 12px;
  border: 1px solid #D8DDE3;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
  background: #fff;
}
.cta-form input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(46,124,173,0.15);
}
.cta-form input::placeholder { color: #A8B2BF; }
.cta-note { font-size: 12px; color: var(--text-light); }
.cta-note i { color: var(--accent); margin-right: 4px; }

/* ==== Footer ==== */
.site-footer {
  background: #0B2B43;
  color: #A8BAC8;
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 16px;
}
.footer-brand .footer-logo span { color: var(--accent); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.9;
  color: #8BA3B8;
  max-width: 320px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 600;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: #8BA3B8; transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-contact li { display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; font-size: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: #6F879B; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: #6F879B; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ==== Responsive ==== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .article-hero h1 { font-size: 2.2rem; }
  .article-card { padding: 40px 40px; }
}
@media (max-width: 768px) {
  .site-header { padding: 0 16px; top: 12px; }
  .main-nav { border-radius: 24px; padding: 12px 16px; flex-wrap: wrap; position: relative; }
  .brand-text { font-size: 16px; }
  .brand-mark { width: 38px; height: 38px; font-size: 18px; border-radius: 12px; }
  .nav-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 14px;
    flex-direction: column;
    gap: 4px;
    box-shadow: 0 20px 50px rgba(11,59,96,0.14);
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px;
    border-radius: 12px;
  }
  .article-hero { padding: 36px 0 24px; }
  .article-hero h1 { font-size: 1.8rem; }
  .article-card { padding: 32px 24px; border-radius: 16px; }
  .article-card::before { left: 24px; right: 24px; }
  .article-content p { font-size: 16px; line-height: 1.85; }
  .breadcrumb-wrap { padding-top: 20px; }
  .pagination-row { justify-content: center; }
  .pagination-link { flex: 1; justify-content: center; min-width: 140px; }
  .pagination-link.back-link { order: -1; flex-basis: 100%; border: 1px solid var(--border); }
  .related-section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .cta-section { padding: 64px 0; }
  .cta-inner h2 { font-size: 28px; }
  .cta-form { flex-direction: column; }
  .cta-form input, .cta-form .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}
@media (max-width: 520px) {
  .container, .container-narrow { padding: 0 16px; }
  .article-hero h1 { font-size: 1.5rem; }
  .article-meta { gap: 14px; font-size: 13px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-inner h2 { font-size: 24px; }
  .pagination-link { min-width: 0; font-size: 13px; padding: 10px 14px; }
}

/* roulang page: category2 */
:root {
  --primary: #0B3B60;
  --primary-hover: #0A4B75;
  --accent: #2E7CAD;
  --gold: #D99441;
  --bg: #F6F7F9;
  --card: #FFFFFF;
  --border: #E4E7EB;
  --text: #27313B;
  --text-secondary: #6B7684;
  --radius: 16px;
  --shadow: 0 6px 20px rgba(11,59,96,0.06);
  --shadow-hover: 0 10px 28px rgba(11,59,96,0.12);
  --transition: 0.25s;
  --footer-bg: #0B2B43;
  --font-stack: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-stack); background-color: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding: 72px 0; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .section-eyebrow { display: inline-block; background: rgba(46,124,173,0.1); color: var(--accent); font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 20px; margin-bottom: 12px; letter-spacing: 0.5px; }
.section-title { font-size: 32px; font-weight: 700; color: var(--primary); line-height: 1.3; margin-bottom: 12px; }
.section-subtitle { font-size: 16px; color: var(--text-secondary); max-width: 640px; margin: 0 auto; line-height: 1.7; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 10px; font-size: 15px; font-weight: 600; transition: all var(--transition); border: none; cursor: pointer; line-height: 1.4; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(11,59,96,0.18); }
.btn-secondary { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: #E8F1F7; transform: translateY(-2px); }
.btn-accent { background: var(--gold); color: #1a1a1a; }
.btn-accent:hover { background: #c9853a; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(217,148,65,0.25); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* Header — Floating Dock */
.site-header { position: sticky; top: 18px; z-index: 1000; padding: 0 24px; }
.header-dock { display: flex; align-items: center; justify-content: space-between; background: rgba(255,255,255,0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-radius: 60px; padding: 10px 20px 10px 24px; box-shadow: 0 6px 20px rgba(11,59,96,0.06); border: 1px solid rgba(228,231,235,0.6); }
.header-logo { font-size: 22px; font-weight: 800; color: var(--primary); display: flex; align-items: baseline; gap: 4px; line-height: 1.2; }
.header-logo span { font-size: 13px; font-weight: 600; color: var(--accent); letter-spacing: 0.5px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 8px 16px; border-radius: 30px; font-size: 14px; font-weight: 500; color: var(--text); transition: all var(--transition); }
.nav-link:hover { background: #E8F1F7; color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-subscribe-nav { background: var(--primary); color: #fff; padding: 8px 18px; border-radius: 30px; font-size: 13px; font-weight: 600; transition: all var(--transition); }
.btn-subscribe-nav:hover { background: var(--primary-hover); transform: translateY(-1px); }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 50%; background: #E8F1F7; color: var(--primary); font-size: 18px; align-items: center; justify-content: center; transition: background 0.2s; }
.nav-toggle:hover { background: #d6e6f2; }

/* Hero */
.hero-section { padding: 48px 0 80px; position: relative; }
.hero-inner { display: flex; align-items: center; gap: 56px; background: var(--card); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); min-height: 440px; }
.hero-media { flex: 0 0 48%; min-height: 440px; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; position: relative; }
.hero-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,59,96,0.35), transparent 55%); }
.hero-media .hero-badge { position: absolute; bottom: 20px; left: 20px; z-index: 2; background: rgba(11,59,96,0.75); color: #fff; font-size: 12px; font-weight: 600; padding: 6px 14px; border-radius: 20px; backdrop-filter: blur(4px); }
.hero-content { flex: 1; padding: 48px 48px 48px 8px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 6px; background: rgba(217,148,65,0.12); color: #b5712e; font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; }
.hero-eyebrow i { font-size: 12px; }
.hero-title { font-size: 42px; font-weight: 800; color: var(--primary); line-height: 1.25; margin-bottom: 16px; }
.hero-subtitle { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 28px; max-width: 500px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 6px; }
.hero-note i { color: var(--gold); }

/* Stats */
.stats-section { padding: 16px 0 56px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 20px; text-align: center; box-shadow: var(--shadow); transition: all var(--transition); }
.stat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.stat-number { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.2; margin-bottom: 4px; }
.stat-label { font-size: 13px; color: var(--text-secondary); }

/* Activity Types — horizontal scroll cards */
.types-section { padding-bottom: 72px; }
.types-scroll { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.type-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); display: flex; flex-direction: column; }
.type-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(46,124,173,0.4); }
.type-cover { position: relative; height: 160px; overflow: hidden; }
.type-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.type-card:hover .type-cover img { transform: scale(1.05); }
.type-cover .type-tag { position: absolute; bottom: 10px; left: 10px; background: rgba(11,59,96,0.78); color: #fff; font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 4px; backdrop-filter: blur(3px); }
.type-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.type-body h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.type-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.type-link { margin-top: 14px; font-size: 13px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
.type-link i { font-size: 12px; transition: transform 0.2s; }
.type-link:hover i { transform: translateX(4px); }

/* Features — alternating */
.features-section { padding-bottom: 72px; }
.feature-block { display: flex; align-items: center; gap: 60px; margin-bottom: 64px; background: var(--card); border: 1px solid var(--border); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
.feature-block:nth-child(even) { flex-direction: row-reverse; }
.feature-media { flex: 0 0 45%; position: relative; min-height: 300px; }
.feature-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.feature-content { flex: 1; padding: 40px 32px; }
.feature-content .feature-badge { display: inline-block; background: rgba(46,124,173,0.1); color: var(--accent); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px; margin-bottom: 14px; }
.feature-content h3 { font-size: 26px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.feature-content p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px; }
.feature-list { margin-top: 16px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; padding: 6px 0; font-size: 14px; color: var(--text); }
.feature-list li i { color: var(--gold); font-size: 13px; margin-top: 5px; }
.feature-cta { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; font-size: 15px; font-weight: 600; color: var(--primary); }
.feature-cta i { transition: transform 0.2s; }
.feature-cta:hover { color: var(--accent); }
.feature-cta:hover i { transform: translateX(4px); }

/* Process */
.process-section { background: #fff; padding: 72px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; margin-top: 40px; }
.step-item { text-align: center; padding: 24px 12px; position: relative; }
.step-number { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(11,59,96,0.2); }
.step-title { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.step-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.step-item:not(:last-child)::after { content: ''; position: absolute; top: 50px; left: 60%; width: calc(100% - 40px); height: 2px; background: var(--border); }

/* Featured Activities */
.activities-section { padding: 72px 0; }
.activities-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.activity-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: all var(--transition); display: flex; flex-direction: column; }
.activity-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(46,124,173,0.35); }
.activity-cover { position: relative; height: 180px; overflow: hidden; }
.activity-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.activity-card:hover .activity-cover img { transform: scale(1.04); }
.activity-status { position: absolute; top: 12px; left: 12px; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; backdrop-filter: blur(4px); }
.activity-status.live { background: rgba(217,148,65,0.9); color: #fff; }
.activity-status.upcoming { background: rgba(11,59,96,0.8); color: #fff; }
.activity-status.done { background: rgba(107,118,132,0.85); color: #fff; }
.activity-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.activity-body h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.activity-body .activity-date { font-size: 13px; color: var(--gold); font-weight: 600; margin-bottom: 8px; }
.activity-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.activity-meta { display: flex; align-items: center; gap: 16px; padding-top: 14px; border-top: 1px solid var(--border); margin-top: 16px; font-size: 12px; color: var(--text-secondary); }
.activity-meta span { display: inline-flex; align-items: center; gap: 4px; }

/* Banner */
.banner-section { padding: 0 0 72px; }
.banner-block { position: relative; border-radius: 24px; overflow: hidden; min-height: 220px; display: flex; align-items: center; padding: 48px; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; }
.banner-block::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to right, rgba(11,59,96,0.82), rgba(11,59,96,0.35)); }
.banner-inner { position: relative; z-index: 2; max-width: 560px; }
.banner-inner h3 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.banner-inner p { color: rgba(255,255,255,0.88); font-size: 15px; margin-bottom: 20px; line-height: 1.7; }
.banner-actions { display: flex; gap: 12px; }

/* FAQ */
.faq-section { padding: 72px 0; background: #fff; border-top: 1px solid var(--border); }
.faq-container { max-width: 760px; margin: 0 auto; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: 14px; margin-bottom: 12px; overflow: hidden; transition: border-color var(--transition); }
.faq-item.active { border-color: rgba(46,124,173,0.4); box-shadow: var(--shadow); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; font-size: 16px; font-weight: 600; color: var(--text); cursor: pointer; transition: color 0.2s; }
.faq-question:hover { color: var(--accent); }
.faq-question .faq-icon { font-size: 14px; color: var(--gold); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 22px 20px; border-left: 3px solid #E8F1F7; margin-left: 22px; }
.faq-answer-inner p { font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* CTA */
.cta-section { padding: 72px 0; }
.cta-inner { background: var(--card); border: 1px solid var(--border); border-radius: 24px; text-align: center; padding: 56px 40px; box-shadow: var(--shadow); max-width: 880px; margin: 0 auto; position: relative; overflow: hidden; }
.cta-inner::before { content: ''; position: absolute; top: -60px; right: -60px; width: 180px; height: 180px; border-radius: 50%; background: rgba(217,148,65,0.08); }
.cta-icon { width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 50%; background: rgba(217,148,65,0.12); color: var(--gold); font-size: 22px; display: flex; align-items: center; justify-content: center; }
.cta-title { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 12px; }
.cta-subtitle { font-size: 16px; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; line-height: 1.8; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--footer-bg); color: rgba(255,255,255,0.78); padding: 64px 0 0; margin-top: 32px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 14px; display: flex; align-items: baseline; gap: 4px; }
.footer-logo span { font-size: 14px; font-weight: 600; color: var(--gold); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 320px; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.66); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-contact li { display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--gold); font-size: 13px; width: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-links { display: flex; gap: 18px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }

/* Responsive */
@media (max-width: 1024px) {
  .types-scroll { grid-template-columns: repeat(2, 1fr); }
  .activities-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step-item:not(:last-child)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero-inner { flex-direction: column; }
  .hero-media { flex: none; width: 100%; min-height: 260px; }
  .hero-content { padding: 32px; }
  .feature-block { flex-direction: column; }
  .feature-block:nth-child(even) { flex-direction: column; }
  .feature-media { width: 100%; min-height: 220px; }
  .feature-content { padding: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .site-header { top: 10px; padding: 0 12px; }
  .header-dock { padding: 8px 14px; }
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; top: 72px; left: 16px; right: 16px; background: rgba(255,255,255,0.94); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-radius: 20px; box-shadow: 0 12px 32px rgba(11,59,96,0.16); flex-direction: column; align-items: stretch; padding: 16px; gap: 6px; display: none; z-index: 999; border: 1px solid rgba(228,231,235,0.7); }
  .main-nav.open { display: flex; }
  .nav-link { text-align: center; padding: 12px 16px; }
  .btn-subscribe-nav { display: none; }
  .hero-title { font-size: 30px; }
  .section-title { font-size: 26px; }
  .types-scroll { grid-template-columns: 1fr; }
  .activities-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .cta-inner { padding: 40px 24px; }
  .cta-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 48px 0; }
  .banner-block { padding: 28px 20px; }
  .banner-inner h3 { font-size: 22px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-number { font-size: 24px; }
}
@media (max-width: 520px) {
  .header-logo { font-size: 18px; }
  .header-logo span { font-size: 12px; }
  .hero-title { font-size: 26px; }
  .hero-content { padding: 24px 16px; }
  .hero-subtitle { font-size: 15px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
}