:root{--ink:#152232;--muted:#5c6c7e;--accent:#1f5fbf;--accent-ink:#17458f;--bg:#fbfcfe;--card:#ffffff;--line:#e4eaf3;--soft:#f1f6ff;--warm:#f8f5ef}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.85;font-size:16px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1000px;margin:0 auto;padding:0 22px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(251,252,254,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .inner{max-width:1000px;margin:0 auto;padding:10px 22px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{font-weight:700;font-size:15px;color:var(--ink);letter-spacing:.2px}
.brand .dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:1px}
.nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}
.nav a{color:var(--muted)}
.nav a.on{color:var(--accent);font-weight:600}
main{padding:34px 0 12px}
h1{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:30px;line-height:1.35;margin:0 0 14px}
h2{font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:22px;margin:42px 0 12px;line-height:1.45}
h3{font-size:17px;margin:18px 0 6px}
p{margin:10px 0}
.lead{font-size:17px;color:#33465c}
.eyebrow{color:var(--accent);font-weight:600;font-size:13px;letter-spacing:1px;text-transform:uppercase;margin:6px 0 8px}
.hero{padding:26px 0 8px}
.hero-links{margin-top:18px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:9px 18px;border-radius:8px;font-size:14px}
.btn:hover{text-decoration:none;background:var(--accent-ink)}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(420px,1fr));gap:16px;margin:16px 0}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:16px 0}
.grid-cities{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.card h3{margin-top:0}
.card p{margin:6px 0;font-size:14.5px}
.more a{font-weight:600;font-size:14px}
table{border-collapse:collapse;width:100%;margin:14px 0;font-size:14.5px}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--soft);white-space:nowrap}
ol,ul{padding-left:1.4em}
li{margin:6px 0}
.notice{background:var(--soft);border-left:4px solid var(--accent);padding:12px 16px;border-radius:6px;font-size:14.5px;margin:16px 0}
.boundary{background:var(--warm);border:1px solid #ece5d6;border-radius:12px;padding:18px 22px;margin:34px 0 8px}
.boundary h2{margin-top:0}
.faq-item{border-bottom:1px solid var(--line);padding:14px 0}
.faq-item h3{margin:0 0 6px;font-size:17px}
.faq-item p{margin:0;color:#33465c}
.case{border-top:3px solid var(--accent);background:var(--card);border-radius:12px;padding:18px 22px;margin:22px 0;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.case h2{margin-top:4px;font-size:20px}
.service{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:18px 0}
.service h2{margin-top:4px;font-size:20px}
.city-card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.city-card h3{margin:0 0 4px}
.city-card p{margin:0;font-size:13.5px;color:var(--muted)}
.list-articles .item{border-bottom:1px solid var(--line);padding:16px 0}
.list-articles h3{margin:0 0 4px;font-size:18px}
.list-articles .meta{font-size:13px;color:var(--muted);margin-bottom:6px}
article .meta-date{color:var(--muted);font-size:13.5px;margin:0 0 18px}
.site-footer{margin-top:56px;background:#101b29;color:#c6d3e2;padding:36px 0 28px;font-size:14px}
.site-footer a{color:#e8f0fa}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px}
.site-footer .ft-title{color:#fff;font-size:14px;margin:0 0 8px;font-weight:600}
blockquote{margin:14px 0;padding:12px 16px;border-left:4px solid var(--accent);background:#fff;border-radius:6px}
blockquote p{margin:0 0 6px;color:#33465c}
blockquote cite{font-style:normal;font-size:13px;color:var(--muted)}
.fact-n{margin:0;font-size:14.5px;color:var(--muted)}
.fact-n strong{display:block;font-family:"Noto Serif SC","Songti SC",Georgia,serif;font-size:28px;color:var(--ink);line-height:1.25;margin-bottom:2px}
.site-footer p{margin:6px 0}
.site-footer .base{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);color:#8fa3ba;font-size:12.5px}
.note{font-size:13.5px;color:var(--muted)}
@media (max-width:640px){h1{font-size:25px}h2{font-size:20px}.site-header .inner{padding:8px 16px}.wrap{padding:0 16px}}