:root{--brand:#0c6e6b;--brand-dark:#07504e;--accent:#e3a13a;--ink:#12232e;
--muted:#63798a;--line:#e3e9ee;--bg:#f6f8fa;--white:#fff;--radius:14px;
--shadow:0 8px 30px rgba(16,42,58,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",
"Microsoft YaHei",sans-serif;color:var(--ink);background:var(--white);
line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92vw);margin:0 auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:var(--brand);color:#fff}
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;
height:74px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;
letter-spacing:.5px}
.brand img{height:50px;width:auto;object-fit:contain}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;font-weight:500;color:#3d5462;position:relative;padding:6px 0}
.nav a:hover,.nav a.active{color:var(--brand)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-4px;
height:2px;background:var(--brand);border-radius:2px}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;
color:var(--ink);line-height:1}
.hero{position:relative;min-height:620px;display:flex;align-items:center;
color:#fff;overflow:hidden;background:#083c3c}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;
opacity:.55}
.hero:after{content:"";position:absolute;inset:0;
background:linear-gradient(100deg,rgba(4,44,46,.88) 0%,rgba(6,62,62,.66) 55%,rgba(6,62,62,.3) 100%)}
.hero .container{position:relative;z-index:2;padding:100px 0}
.eyebrow{letter-spacing:.32em;font-size:13px;font-weight:700;color:var(--accent);
margin-bottom:22px}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);line-height:1.15;margin:0 0 22px;
font-weight:800;letter-spacing:2px}
.hero p{font-size:clamp(1rem,1.8vw,1.2rem);max-width:640px;
color:rgba(255,255,255,.88);margin:0 0 36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.sec-head{text-align:center;margin-bottom:52px}
.sec-sub{letter-spacing:.28em;font-size:12px;font-weight:700;color:var(--brand);
text-transform:uppercase;margin-bottom:10px}
.sec-head h2{font-size:clamp(1.8rem,3.4vw,2.5rem);margin:0 0 12px;font-weight:800}
.sec-head p{color:var(--muted);margin:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:-52px;
position:relative;z-index:3}
.stat{background:#fff;border-radius:var(--radius);padding:28px 22px;
box-shadow:var(--shadow);border:1px solid var(--line)}
.stat b{display:block;font-size:19px;color:var(--brand);margin-bottom:6px}
.stat span{font-size:13px;color:var(--muted)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-grid img{border-radius:var(--radius);box-shadow:var(--shadow);
aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--bg)}
.about-grid h2{font-size:2rem;margin:0 0 18px}
.article-body{color:#3f5563;font-size:16px;line-height:2}
.article-body img{border-radius:8px;margin:14px auto;height:auto}
.article-body table{max-width:100%;border-collapse:collapse}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
overflow:hidden;transition:.28s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#cfe0de}
.card-img{aspect-ratio:4/3;background:var(--bg);overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:contain;transition:.4s}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.card-body h3{font-size:16px;margin:0 0 8px;line-height:1.5}
.card-body p{font-size:13px;color:var(--muted);margin:0 0 14px;flex:1}
.card-body .more{color:var(--brand);font-size:13px;font-weight:600}
.card-src{font-size:12px;color:#8a9ba7;margin:-6px 0 12px;letter-spacing:.02em}
.news-list{display:grid;gap:0}
.news-item{display:grid;grid-template-columns:186px 1fr;gap:26px;padding:22px 0;
border-bottom:1px solid var(--line);align-items:center}
.news-item:first-child{padding-top:0}
.news-thumb{position:relative;aspect-ratio:4/3;border-radius:10px;overflow:hidden;
background:var(--bg);transition:.25s}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.date-thumb,.card-img.date-cover{display:flex;flex-direction:column;align-items:center;
justify-content:center;gap:4px;color:#fff;position:relative;overflow:hidden;
background:linear-gradient(150deg,#0c6e6b,#07504e)}
.date-thumb:after,.card-img.date-cover:after{content:"";position:absolute;
right:-46px;top:-46px;width:170px;height:170px;border-radius:50%;
background:rgba(255,255,255,.08)}
.date-thumb.tone-b,.card-img.date-cover.tone-b{
background:linear-gradient(150deg,#155e75,#0e3f52)}
.dt-day{font-size:46px;font-weight:800;line-height:1;letter-spacing:-2px;z-index:1}
.dt-ym{font-size:13px;letter-spacing:.18em;opacity:.88;z-index:1}
.dt-tag{margin-top:9px;font-size:11px;padding:3px 11px;border-radius:999px;
background:rgba(255,255,255,.18);z-index:1}
.card-img.date-cover .dt-day{font-size:62px}
.card-img.date-cover .dt-ym{font-size:15px}
.news-date{font-size:12px;color:var(--brand);font-weight:700;
letter-spacing:.08em;margin-bottom:7px}
.news-item h3{margin:0 0 6px;font-size:18px}
.news-item p{margin:0;color:var(--muted);font-size:14px}
.news-src{font-size:12px;color:#8a9ba7;margin-top:8px;letter-spacing:.02em}
.news-item:hover h3{color:var(--brand)}
.news-item:hover .news-thumb{box-shadow:var(--shadow)}
.news-notice{background:var(--bg);border:1px solid var(--line);
border-left:3px solid var(--brand);border-radius:8px;padding:14px 18px;
font-size:13px;color:var(--muted);margin-bottom:28px;line-height:1.8}
.source-box{margin-top:36px;padding:22px 24px;background:var(--bg);
border:1px solid var(--line);border-radius:var(--radius);font-size:14px;color:#3f5563}
.source-box .sb-label{font-size:12px;font-weight:700;letter-spacing:.16em;
color:var(--brand);margin-bottom:10px}
.source-box p{margin:0 0 8px}
.source-box p:last-child{margin-bottom:0}
.source-box .sb-note{font-size:12.5px;color:#8a9ba7;line-height:1.8}
.src-link{color:var(--brand);font-weight:600;margin-left:10px}
.src-link:hover{text-decoration:underline}
.gallery{position:relative;border-radius:var(--radius);overflow:hidden;
background:#0c2b30;margin:0 0 26px}
.g-track{position:relative;aspect-ratio:16/9;background:#0c2b30}
.g-slide{position:absolute;inset:0;opacity:0;transition:opacity .55s;
display:flex;align-items:center;justify-content:center}
.g-slide.on{opacity:1}
.g-slide img{width:100%;height:100%;object-fit:contain}
.g-prev,.g-next{position:absolute;top:50%;transform:translateY(-50%);z-index:3;
width:42px;height:42px;border:0;border-radius:50%;background:rgba(255,255,255,.9);
color:#0c2b30;font-size:24px;line-height:1;cursor:pointer;transition:.2s}
.g-prev{left:14px}
.g-next{right:14px}
.g-prev:hover,.g-next:hover{background:#fff;transform:translateY(-50%) scale(1.08)}
.g-dots{position:absolute;left:0;right:0;bottom:14px;z-index:3;display:flex;
justify-content:center;gap:8px;flex-wrap:wrap;padding:0 60px}
.g-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;
background:rgba(255,255,255,.5);cursor:pointer;transition:.2s}
.g-dot.on{background:#fff;transform:scale(1.3)}
.g-count{position:absolute;top:14px;right:14px;z-index:3;color:#fff;font-size:12px;
background:rgba(4,30,32,.68);padding:5px 13px;border-radius:999px}
.g-cap{background:#0c2b30;color:#cfe4e2;font-size:13px;padding:11px 18px;
display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.g-note{margin:0 0 22px;font-size:12.5px;color:#8a9ba7}
.chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.chip{display:inline-block;padding:9px 22px;border-radius:999px;
border:1px solid var(--line);background:#fff;cursor:pointer;font-size:14px;
color:#496072;transition:.2s;line-height:1.4}
.chip.active,.chip:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.info-card{background:var(--bg);border-radius:var(--radius);padding:32px 26px;
border:1px solid var(--line)}
.info-card .k{font-size:13px;color:var(--brand);font-weight:700;
letter-spacing:.1em;margin-bottom:12px}
.info-card .v{font-size:18px;font-weight:600;word-break:break-all}
.footer{background:#0d252c;color:#a8bcc6;padding:64px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px;
padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer h4{color:#fff;font-size:16px;margin:0 0 16px}
.footer a:hover{color:#fff}
.footer p{margin:0 0 8px}
.footer-bottom{padding-top:22px;font-size:13px;color:#7f9aa6;
 border-top:1px solid rgba(255,255,255,.08)}
.fb-line{display:flex;justify-content:center;align-items:center;gap:20px;
 flex-wrap:wrap;margin-bottom:10px}
.fb-record a{display:inline-flex;align-items:center;gap:6px}
.fb-record img{height:18px;width:auto}
.crumb{background:var(--bg);padding:22px 0;border-bottom:1px solid var(--line);
font-size:14px;color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.page-head{text-align:center;padding:64px 0 12px}
.page-head h1{font-size:clamp(2rem,4vw,2.8rem);margin:0 0 10px}
.detail{padding:40px 0 90px;max-width:860px}
.detail-meta{color:var(--muted);font-size:14px;margin-bottom:28px;
padding-bottom:20px;border-bottom:1px solid var(--line)}
.back{margin-top:40px}
.reveal{opacity:0;transform:translateY(22px);transition:.7s ease}
.reveal.in{opacity:1;transform:none}
.search-box{display:flex;gap:12px;margin-bottom:32px}
.search-box input{flex:1;padding:14px 18px;border:1px solid var(--line);
border-radius:999px;font-size:16px;outline:none}
.search-box input:focus{border-color:var(--brand)}
.hit{padding:18px 0;border-bottom:1px solid var(--line)}
.hit h3{margin:0 0 6px;font-size:17px}
.hit p{margin:0;color:var(--muted);font-size:14px}
@media(max-width:900px){
 .nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;
 flex-direction:column;padding:18px 6vw;gap:4px;border-bottom:1px solid var(--line);
 box-shadow:var(--shadow)}
 .nav.open{display:flex}
 .nav a{width:100%;padding:12px 0}
 .burger{display:block}
 .stats,.grid-3,.grid-4,.info-grid,.footer-grid{grid-template-columns:1fr 1fr}
 .about-grid{grid-template-columns:1fr;gap:28px}
 .hero{min-height:520px}
 .section{padding:60px 0}
}
@media(max-width:560px){
 .stats,.grid-3,.grid-4,.info-grid,.footer-grid{grid-template-columns:1fr}
 .news-item{grid-template-columns:1fr;gap:12px}
 .news-thumb{aspect-ratio:16/9}
 .dt-day{font-size:40px}
 .g-prev,.g-next{width:34px;height:34px;font-size:20px}
 .hero h1{letter-spacing:0}
}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}