:root { color-scheme: light; --ink:#202124; --muted:#687076; --line:#e5e7eb; --paper:#fff; --bg:#f5f7f8; --accent:#0f766e; --accent-2:#b45309; }
* { box-sizing: border-box; }
html, body { overflow-x:hidden; }
body { margin:0; background:var(--bg); color:var(--ink); font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif; }
a { color:inherit; text-decoration:none; }
.shell { max-width:1120px; margin:0 auto; padding:0 22px; }
header { background:rgba(255,255,255,.94); backdrop-filter:saturate(180%) blur(12px); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:10; }
.nav { min-height:64px; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand { font-weight:800; font-size:19px; }
.navlinks { display:flex; flex-wrap:wrap; gap:18px; color:var(--muted); font-size:14px; }
.hero { padding:48px 0 34px; background:linear-gradient(180deg,#fff 0%,#f5f7f8 100%); border-bottom:1px solid var(--line); }
.eyebrow { color:var(--accent); font-weight:800; font-size:14px; margin-bottom:12px; }
.hero h1 { font-size:44px; line-height:1.15; margin:0 0 14px; max-width:820px; letter-spacing:0; }
.hero p { color:var(--muted); max-width:720px; font-size:17px; line-height:1.8; margin:0; }
.stats { display:flex; flex-wrap:wrap; gap:12px; margin-top:24px; }
.stat { border:1px solid var(--line); background:var(--paper); padding:10px 14px; border-radius:8px; color:var(--muted); }
.quick { display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.chip { display:inline-flex; align-items:center; gap:6px; border:1px solid var(--line); background:#fff; border-radius:999px; padding:8px 12px; color:#334155; font-size:14px; }
.chip strong { color:var(--accent); }
.section-title { display:flex; align-items:end; justify-content:space-between; gap:16px; margin:30px 0 16px; }
.section-title h2 { margin:0; font-size:22px; }
.section-title p { margin:0; color:var(--muted); }
.toolbar { display:flex; gap:12px; align-items:center; justify-content:space-between; margin:30px 0 16px; }
.toolbar h2 { margin:0; font-size:22px; }
input[type=search] { width:min(420px,100%); border:1px solid var(--line); border-radius:8px; padding:11px 12px; font-size:15px; background:#fff; }
.grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; padding-bottom:46px; }
.card { background:#fff; border:1px solid var(--line); border-radius:8px; padding:17px; min-height:178px; display:flex; flex-direction:column; gap:10px; transition:transform .16s ease, box-shadow .16s ease; }
.card:hover { transform:translateY(-2px); box-shadow:0 10px 24px rgba(15,23,42,.08); }
.date { color:var(--accent); font-weight:700; font-size:13px; }
.card h3 { margin:0; font-size:18px; line-height:1.45; }
.card p { margin:0; color:var(--muted); line-height:1.7; font-size:14px; }
.article { max-width:860px; margin:0 auto; padding:34px 22px 68px; background:#fff; min-height:100vh; overflow-wrap:anywhere; }
.article h1 { font-size:34px; line-height:1.3; margin:0 0 14px; }
.meta { color:var(--muted); border-bottom:1px solid var(--line); padding-bottom:18px; margin-bottom:28px; line-height:1.8; }
.content { font-size:17px; line-height:1.95; overflow-wrap:anywhere; }
.content p { margin:0 0 18px; }
.content h2,.content h3,.content h4 { margin:30px 0 14px; line-height:1.45; }
.content blockquote { margin:18px 0; padding:12px 16px; border-left:4px solid var(--accent); background:#f5fbfa; color:#334155; }
.content img { display:block; max-width:100%; height:auto; margin:12px auto; border-radius:6px; }
.content figure { margin:22px 0; }
.archive { padding:30px 0 56px; }
.month { margin-bottom:30px; }
.month h2 { border-bottom:1px solid var(--line); padding-bottom:10px; font-size:22px; }
.archive-list { display:grid; gap:10px; }
.archive-row { display:grid; grid-template-columns:110px 1fr auto; gap:14px; align-items:center; background:#fff; border:1px solid var(--line); border-radius:8px; padding:12px 14px; }
.archive-row span { color:var(--muted); font-size:14px; }
.back { display:inline-block; color:var(--accent); margin-bottom:20px; font-weight:700; }
footer { border-top:1px solid var(--line); padding:22px 0; color:var(--muted); background:#fff; }
@media (max-width:860px) { .grid{grid-template-columns:1fr;} .hero h1{font-size:32px;} .article h1{font-size:28px;} .toolbar,.section-title{align-items:flex-start; flex-direction:column;} .nav{align-items:flex-start; flex-direction:column; padding:14px 0;} .archive-row{grid-template-columns:1fr;} }