:root {
  --bg: #f4f0e8;
  --paper: #fffdfa;
  --paper-strong: #ffffff;
  --text: #23313f;
  --muted: #637381;
  --line: rgba(35, 49, 63, 0.12);
  --primary: #123e63;
  --accent: #b38a4d;
  --accent-soft: rgba(179, 138, 77, 0.14);
  --shadow: 0 24px 60px rgba(18, 62, 99, 0.12);
  --radius: 24px;
  --container: 1180px;
  --header-height: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(179, 138, 77, 0.12), transparent 28%),
    linear-gradient(180deg, #f2ece2 0%, #f8f5ef 32%, #fffdfa 100%);
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 253, 250, 0.88); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(18, 62, 99, 0.08); }
.header-wrap { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 14px; font-weight: 700; letter-spacing: 0.04em; }
.brand-mark { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; color: #fff; font-size: 18px; background: linear-gradient(135deg, var(--primary) 0%, #24689b 100%); box-shadow: 0 14px 26px rgba(18, 62, 99, 0.18); }
.brand-text strong { display: block; font-size: 1rem; }
.brand-text span { display: block; font-size: 0.78rem; color: var(--muted); }
.nav-toggle { display: none; width: 46px; height: 46px; border: 0; border-radius: 14px; background: var(--accent-soft); color: var(--primary); font-size: 1.05rem; cursor: pointer; }
.site-nav ul { display: flex; align-items: center; gap: 12px; }
.site-nav a { padding: 10px 14px; border-radius: 999px; color: var(--muted); transition: 0.25s ease; }
.site-nav a:hover, .site-nav a.active { color: var(--primary); background: rgba(18, 62, 99, 0.08); }
.hero, .page-hero, .article-hero { position: relative; padding: 82px 0 46px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 44px auto auto 0; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(179, 138, 77, 0.12), transparent 70%); pointer-events: none; }
.hero-grid, .page-hero-grid, .article-layout, .policy-grid, .case-grid, .cards-grid, .service-grid, .contact-grid, .about-grid, .highlights-grid { display: grid; gap: 24px; }
.hero-grid, .page-hero-grid, .contact-grid, .about-grid, .article-layout { grid-template-columns: 1.05fr 0.95fr; align-items: start; }
.cards-grid { grid-template-columns: repeat(4, 1fr); }
.policy-grid { grid-template-columns: repeat(2, 1fr); }
.case-grid, .highlights-grid { grid-template-columns: repeat(3, 1fr); }
.service-grid { grid-template-columns: repeat(2, 1fr); }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px; border-radius: 999px; background: rgba(18, 62, 99, 0.08); color: var(--primary); font-size: 0.92rem; font-weight: 600; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.hero h1, .page-hero h1, .article-hero h1 { margin: 18px 0; font-family: "Noto Serif SC", "STSong", serif; font-size: clamp(2.5rem, 4vw, 4.25rem); line-height: 1.15; }
.hero p, .page-hero p { color: var(--muted); font-size: 1.04rem; }
.hero-actions, .contact-quick { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent; font-weight: 600; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--primary) 0%, #1d5f8f 100%); color: #fff; box-shadow: 0 18px 38px rgba(18, 62, 99, 0.22); }
.btn-secondary { border-color: rgba(18, 62, 99, 0.14); background: rgba(255, 255, 255, 0.78); color: var(--primary); }
.hero-card, .page-hero-card { position: relative; min-height: 420px; padding: 28px; border-radius: 32px; overflow: hidden; box-shadow: var(--shadow); background-size: cover; background-position: center; }
.hero-card { background: linear-gradient(180deg, rgba(12, 45, 71, 0.18) 0%, rgba(12, 45, 71, 0.62) 100%), url("../assets/images/hero-meeting.jpg") center/cover; }
.page-hero-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 24, 38, 0.12), rgba(8, 24, 38, 0.62)); }
.hero-badge, .badge-panel { position: absolute; left: 26px; right: 26px; bottom: 26px; padding: 20px; border-radius: 24px; background: rgba(11, 29, 46, 0.56); backdrop-filter: blur(8px); color: #fff; z-index: 1; }
.hero-badge strong, .badge-panel strong, .contact-card strong { display: block; margin-bottom: 8px; font-size: 1.1rem; }
.hero-metrics { margin-top: 18px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric { padding: 14px; border-radius: 18px; background: rgba(255, 255, 255, 0.1); }
.metric strong { display: block; margin-bottom: 4px; }
main section { padding-bottom: 76px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
.section-head h2, .highlight-banner h2, .article-body h2 { margin: 0 0 10px; font-family: "Noto Serif SC", "STSong", serif; }
.section-head h2 { font-size: clamp(1.8rem, 2.4vw, 2.8rem); }
.section-head p, .muted { color: var(--muted); }
.section-link, .card-link { color: var(--primary); font-weight: 600; }
.card, .article-card, .case-card, .info-card, .contact-card, .service-detail, .highlight-card, .article-main, .article-side { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255, 255, 255, 0.84); box-shadow: 0 12px 32px rgba(28, 45, 64, 0.06); }
.card::after, .article-card::after, .case-card::after, .service-detail::after, .highlight-card::after { content: ""; position: absolute; inset: auto 24px 0; height: 4px; border-radius: 999px; background: linear-gradient(90deg, transparent, rgba(179, 138, 77, 0.75), transparent); }
.icon-box { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 18px; background: linear-gradient(135deg, rgba(18, 62, 99, 0.12), rgba(179, 138, 77, 0.18)); color: var(--primary); font-size: 1.4rem; margin-bottom: 18px; }
.article-meta, .case-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; color: var(--muted); font-size: 0.94rem; }
.article-meta span, .case-meta span, .card-link, .contact-list li, .stats-list li, .feature-list li, .timeline-list li { display: inline-flex; align-items: start; gap: 8px; }
.highlight-banner { padding: 34px; border-radius: 32px; background: linear-gradient(135deg, rgba(12, 45, 71, 0.94) 0%, rgba(27, 68, 102, 0.9) 100%), url("../assets/images/business-handshake.jpg") center/cover; color: #f9fafc; box-shadow: var(--shadow); }
.highlight-banner p, .map-card p, .map-card li { color: rgba(255, 255, 255, 0.8); }
.highlight-card { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.12); }
.highlight-card p, .highlight-card h3 { color: #fff; }
.stats-list, .feature-list, .timeline-list, .contact-list, .article-body ul { display: grid; gap: 14px; }
.stats-list i, .feature-list i, .timeline-list i, .contact-list i, .service-detail i { margin-top: 6px; color: var(--accent); }
.visual-figure { min-height: 250px; border-radius: 28px; overflow: hidden; background-size: cover; background-position: center; margin-bottom: 18px; }
.tag { display: inline-flex; padding: 6px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--primary); font-size: 0.88rem; font-weight: 600; }
.service-detail h3 { display: flex; align-items: center; gap: 12px; }
.case-thumb { height: 160px; margin: -24px -24px 18px; border-radius: 24px 24px 0 0; background-size: cover; background-position: center; border-bottom: 1px solid rgba(18, 62, 99, 0.08); }
.case-note { display: inline-flex; margin-top: 12px; color: var(--primary); font-weight: 600; }
.map-card { background: linear-gradient(160deg, rgba(18, 62, 99, 0.92), rgba(35, 86, 123, 0.88)), url("../assets/images/contact-office.jpg") center/cover; color: #fff; }
.article-body ul { margin: 0 0 14px; padding-left: 1.1rem; list-style: disc; }
.site-footer { padding: 28px 0 36px; border-top: 1px solid rgba(18, 62, 99, 0.08); background: rgba(255, 255, 255, 0.55); }
.footer-wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 0.94rem; }
.fade-up { opacity: 0; transform: translateY(22px); animation: fadeUp 0.8s ease forwards; }
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@media (max-width: 1080px) {
  .hero-grid, .page-hero-grid, .contact-grid, .about-grid, .article-layout, .policy-grid, .case-grid, .cards-grid, .service-grid, .highlights-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  :root { --header-height: 72px; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .site-nav { position: absolute; top: calc(100% + 10px); left: 20px; right: 20px; padding: 16px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255, 253, 250, 0.98); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(-12px); transition: 0.28s ease; }
  .site-nav.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .hero-grid, .page-hero-grid, .contact-grid, .about-grid, .article-layout, .policy-grid, .case-grid, .cards-grid, .service-grid, .highlights-grid { grid-template-columns: 1fr; }
  .hero-card, .page-hero-card { min-height: 360px; }
  .section-head { flex-direction: column; align-items: start; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-badge, .badge-panel { left: 18px; right: 18px; bottom: 18px; padding: 16px; }
  .footer-wrap { flex-direction: column; }
}


.case-card { overflow: hidden; }
.case-thumb::after { content: ''; display: block; width: 100%; height: 100%; background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.14)); }
.page-hero-card.case-hero::after { background: linear-gradient(180deg, rgba(8, 24, 38, 0.08), rgba(8, 24, 38, 0.38)); }