:root {
  --brand: #0a5b91;
  --brand-dark: #073552;
  --accent: #e29b2e;
  --accent-soft: #eaf4fb;
  --ink: #17212b;
  --muted: #637083;
  --line: #e4e9ef;
  --paper: #ffffff;
  --soft: #f5f7fa;
  --radius: 20px;
  --shadow: 0 18px 50px rgba(16, 36, 55, .10);
  --container: min(1180px, calc(100% - 40px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, sans-serif; line-height: 1.75; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.container { width: var(--container); margin-inline: auto; }
.icon { width: 1.15em; height: 1.15em; flex: 0 0 auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 10000; background: #fff; padding: 10px 16px; border-radius: 8px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.topbar { color: #eaf2f7; background: var(--brand-dark); font-size: 13px; }
.topbar .container { min-height: 38px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar-list { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(228,233,239,.9); backdrop-filter: blur(16px); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 13px; min-width: 260px; }
.brand-logo { width: 62px; height: 52px; object-fit: contain; }
.brand-logo.round { width: 54px; height: 54px; }
.brand-copy strong { display: block; color: var(--brand-dark); font-size: 18px; line-height: 1.25; letter-spacing: .03em; }
.brand-copy span { display: block; color: var(--muted); font-size: 11px; letter-spacing: .14em; margin-top: 4px; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a { position: relative; padding: 12px 14px; color: #334154; font-weight: 600; font-size: 15px; border-radius: 12px; }
.site-nav a:hover, .site-nav a.active { color: var(--brand); background: var(--accent-soft); }
.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 12px; color: var(--brand-dark); background: #fff; }
.hero { position: relative; min-height: 690px; color: #fff; overflow: hidden; background: var(--brand-dark); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .68; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,22,38,.90) 0%, rgba(5,22,38,.72) 48%, rgba(5,22,38,.22) 100%), linear-gradient(0deg, rgba(5,22,38,.50), transparent 55%); }
.hero-inner { position: relative; z-index: 2; min-height: 690px; display: grid; grid-template-columns: 1.16fr .84fr; align-items: center; gap: 54px; padding-block: 72px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 7px 12px; border-radius: 999px; color: var(--brand); background: var(--accent-soft); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.hero .eyebrow { color: #fff; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.24); }
.hero h1 { max-width: 800px; margin: 24px 0 20px; font-size: clamp(40px, 5.4vw, 72px); line-height: 1.12; letter-spacing: -.03em; }
.hero p { max-width: 700px; margin: 0; color: rgba(255,255,255,.82); font-size: 18px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 20px; border: 1px solid transparent; border-radius: 12px; font-weight: 700; transition: .22s ease; cursor: pointer; }
.btn-primary { color: #fff; background: var(--brand); box-shadow: 0 10px 25px rgba(0,0,0,.16); }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn-light { color: var(--brand-dark); background: #fff; }
.btn-outline { color: #fff; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.06); }
.btn-outline:hover { background: rgba(255,255,255,.14); }
.hero-panel { align-self: end; margin-bottom: 8px; padding: 24px; border: 1px solid rgba(255,255,255,.18); border-radius: 24px; background: rgba(8,28,45,.58); backdrop-filter: blur(14px); box-shadow: 0 30px 70px rgba(0,0,0,.22); }
.hero-panel h3 { margin: 0 0 16px; font-size: 17px; }
.hero-panel-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.hero-metric { padding: 17px; border-radius: 16px; background: rgba(255,255,255,.09); }
.hero-metric strong { display: block; font-size: 28px; line-height: 1.2; }
.hero-metric span { color: rgba(255,255,255,.72); font-size: 13px; }
.section { padding: 92px 0; }
.section.alt { background: var(--soft); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 38px; }
.section-title { margin: 13px 0 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.22; letter-spacing: -.025em; }
.section-desc { max-width: 620px; margin: 10px 0 0; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 700; white-space: nowrap; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 10px 30px rgba(16,36,55,.05); transition: transform .25s ease, box-shadow .25s ease; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.card-media { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; background: #e8edf2; }
.card-body { padding: 23px; }
.card-meta { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.card h3 { margin: 11px 0 10px; font-size: 20px; line-height: 1.45; }
.card p { margin: 0; color: var(--muted); }
.service-card { padding: 26px; }
.service-icon { width: 52px; height: 52px; display: grid; place-items: center; color: var(--brand); border-radius: 16px; background: var(--accent-soft); font-size: 23px; }
.service-card h3 { margin: 18px 0 8px; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 58px; }
.split-media { position: relative; min-height: 510px; }
.split-media img { width: 100%; height: 510px; object-fit: cover; border-radius: 26px; box-shadow: var(--shadow); }
.split-badge { position: absolute; right: -18px; bottom: 28px; width: 190px; padding: 22px; color: #fff; border-radius: 20px; background: var(--brand); box-shadow: var(--shadow); }
.split-badge strong { display: block; font-size: 32px; }
.check-list { display: grid; gap: 12px; margin: 26px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 11px; align-items: flex-start; }
.check-list .icon { margin-top: 5px; color: var(--brand); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { padding: 26px 22px; text-align: center; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.stat strong { display: block; color: var(--brand); font-size: 34px; line-height: 1.2; }
.stat span { color: var(--muted); font-size: 14px; }
.project-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project-card { position: relative; min-height: 340px; overflow: hidden; border-radius: 22px; background: var(--brand-dark); }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .78; transition: transform .5s ease; }
.project-card:hover img { transform: scale(1.045); }
.project-card::after { content:""; position:absolute; inset:0; background:linear-gradient(0deg, rgba(3,17,29,.9), rgba(3,17,29,.06) 70%); }
.project-copy { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 22px; color: #fff; }
.project-copy small { color: rgba(255,255,255,.72); }
.project-copy h3 { margin: 7px 0 0; line-height: 1.45; }
.project-list-card { padding: 25px; }
.project-list-card .tag { display: inline-flex; padding: 5px 10px; border-radius: 999px; color: var(--brand); background: var(--accent-soft); font-size: 12px; font-weight: 700; }
.project-list-card strong { display: block; margin-top: 15px; font-size: 19px; line-height: 1.5; }
.project-list-card .amount { margin-top: 12px; color: var(--brand); font-weight: 800; }
.page-hero { padding: 86px 0 76px; color: #fff; background: linear-gradient(135deg, var(--brand-dark), var(--brand)); }
.page-hero .breadcrumb { display: flex; gap: 8px; color: rgba(255,255,255,.68); font-size: 14px; }
.page-hero h1 { margin: 18px 0 12px; font-size: clamp(38px, 5vw, 58px); line-height: 1.16; }
.page-hero p { max-width: 720px; margin: 0; color: rgba(255,255,255,.78); }
.article-list { display: grid; gap: 18px; }
.article-row { display: grid; grid-template-columns: 260px 1fr; min-height: 180px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: .22s ease; }
.article-row:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.article-row img { width: 100%; height: 100%; min-height: 180px; object-fit: cover; }
.article-row-copy { padding: 24px 28px; }
.article-row h2 { margin: 8px 0 8px; font-size: 24px; line-height: 1.4; }
.article { max-width: 900px; margin: 0 auto; }
.article-header { padding-bottom: 30px; margin-bottom: 35px; border-bottom: 1px solid var(--line); }
.article-header h1 { margin: 16px 0 15px; font-size: clamp(34px, 5vw, 54px); line-height: 1.28; letter-spacing: -.02em; }
.article-meta { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); }
.article-content { font-size: 17px; }
.article-content p { margin: 0 0 1.25em; text-align: justify; }
.article-content h2 { margin: 2em 0 .7em; font-size: 27px; }
.notice-box { margin: 30px 0; padding: 22px 24px; border-left: 4px solid var(--brand); border-radius: 0 14px 14px 0; color: #3d4a5c; background: var(--accent-soft); }
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 34px 0; }
.gallery a { display: block; overflow: hidden; border-radius: 16px; background: #eef2f5; }
.gallery img { width: 100%; height: 310px; object-fit: cover; transition: transform .35s ease; }
.gallery a:hover img { transform: scale(1.025); }
.gallery.docs img { height: auto; max-height: 720px; object-fit: contain; background: #f3f4f6; }
.download-panel { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 40px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--soft); }
.download-panel strong { display:block; }
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.honor-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.honor-card img { width: 100%; height: 310px; object-fit: contain; padding: 16px; background: #f7f8fa; }
.honor-card h3 { padding: 0 20px 18px; margin: 0; font-size: 17px; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; }
.contact-card { padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.contact-items { display: grid; gap: 18px; margin-top: 24px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.contact-item:last-child { padding-bottom: 0; border-bottom: 0; }
.contact-item .service-icon { width: 44px; height: 44px; border-radius: 13px; font-size: 19px; }
.map-panel { position: relative; min-height: 460px; display: grid; place-items: center; overflow: hidden; border-radius: 22px; color: #fff; background: linear-gradient(135deg, var(--brand-dark), var(--brand)); }
.map-panel::before { content:""; position:absolute; inset:-20%; opacity:.20; background-image: linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px); background-size: 52px 52px; transform: rotate(-8deg); }
.map-copy { position: relative; z-index: 2; max-width: 390px; padding: 36px; text-align: center; }
.map-pin { width: 72px; height: 72px; display:grid; place-items:center; margin: 0 auto 18px; border-radius: 50%; background: rgba(255,255,255,.16); font-size: 34px; }
.cta { padding: 50px; color: #fff; border-radius: 28px; background: linear-gradient(135deg, var(--brand-dark), var(--brand)); box-shadow: var(--shadow); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta h2 { margin: 0 0 8px; font-size: 34px; }
.cta p { margin: 0; color: rgba(255,255,255,.74); }
.site-footer { margin-top: 90px; color: #c5d2dc; background: #0b1b29; }
.footer-main { display: grid; grid-template-columns: 1.4fr .7fr .9fr; gap: 46px; padding: 58px 0 42px; }
.footer-brand { display: flex; gap: 15px; align-items: center; }
.footer-brand img { width: 64px; height: 60px; object-fit: contain; }
.footer-brand strong { color: #fff; font-size: 18px; }
.footer-col h3 { margin: 0 0 17px; color: #fff; font-size: 16px; }
.footer-links { display: grid; gap: 9px; }
.footer-links a:hover { color: #fff; }
.footer-contact { display: grid; gap: 11px; }
.footer-contact span, .footer-contact a { display: flex; gap: 9px; align-items: flex-start; }
.footer-bottom { padding: 18px 0; border-top: 1px solid rgba(255,255,255,.10); font-size: 13px; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.footer-bottom a { color: #e9f1f7; }
.lightbox { position: fixed; inset: 0; z-index: 3000; display: none; place-items: center; padding: 28px; background: rgba(0,0,0,.88); }
.lightbox.open { display: grid; }
.lightbox img { max-width: min(1200px, 94vw); max-height: 88vh; object-fit: contain; border-radius: 12px; }
.lightbox-close { position: fixed; right: 24px; top: 20px; width: 48px; height: 48px; display:grid; place-items:center; color:#fff; border:1px solid rgba(255,255,255,.35); border-radius:50%; background:rgba(0,0,0,.30); }
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.visible { opacity: 1; transform: none; }
@media (max-width: 980px) {
  .topbar { display:none; }
  .header-inner { min-height: 74px; }
  .nav-toggle { display: inline-flex; }
  .site-nav { position: fixed; left: 20px; right: 20px; top: 82px; display: none; padding: 12px; border:1px solid var(--line); border-radius:18px; background:#fff; box-shadow:var(--shadow); }
  .site-nav.open { display:grid; }
  .site-nav a { width:100%; }
  .hero-inner { grid-template-columns: 1fr; min-height: 650px; }
  .hero-panel { max-width: 560px; align-self: auto; }
  .split, .contact-grid { grid-template-columns: 1fr; }
  .cards, .project-grid, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-main > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  :root { --container: min(100% - 28px, 1180px); --radius: 17px; }
  .brand { min-width: 0; }
  .brand-logo { width: 50px; height: 44px; }
  .brand-logo.round { width: 46px; height: 46px; }
  .brand-copy strong { max-width: 205px; font-size: 15px; }
  .brand-copy span { display:none; }
  .hero, .hero-inner { min-height: 700px; }
  .hero-inner { padding-block: 58px; }
  .hero h1 { font-size: 42px; }
  .hero p { font-size: 16px; }
  .hero-panel-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 68px 0; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .cards, .project-grid, .honor-grid { grid-template-columns: 1fr; }
  .split-media, .split-media img { min-height: 360px; height: 360px; }
  .split-badge { right: 12px; bottom: 12px; width: 160px; padding: 17px; }
  .article-row { grid-template-columns: 1fr; }
  .article-row img { height: 220px; }
  .gallery { grid-template-columns: 1fr; }
  .gallery img { height: 260px; }
  .download-panel, .cta-inner { align-items: stretch; flex-direction: column; }
  .cta { padding: 32px 25px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-main > :first-child { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}