:root{--ink:#111827;--muted:#5b6575;--line:#dfe6ef;--paper:#fff;--bg:#f6f8fb;--blue:#1558c9;--green:#07866a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.72;letter-spacing:0}
a{color:inherit;text-decoration:none}
.shell{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.site-nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.nav-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;min-width:0}
.brand img{width:36px;height:36px}.brand span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site-nav nav{display:flex;gap:8px}.site-nav nav a{padding:8px 10px;border-radius:6px;color:#334155}
.hero{background:#fff;border-bottom:1px solid var(--line);padding:58px 0 42px}
.eyebrow{display:inline-flex;padding:7px 11px;border:1px solid #cfe0fb;border-radius:999px;background:#f7fbff;color:#174ea6;font-size:13px;font-weight:800}
.hero h1{max-width:940px;margin:18px 0 14px;font-size:clamp(36px,5vw,60px);line-height:1.1}.hero p{max-width:820px;margin:0;color:var(--muted);font-size:17px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.hero-meta span,.hero-meta time{padding:7px 10px;border:1px solid var(--line);border-radius:5px;background:#f8fafc;color:#475569;font-size:13px}
.hero-actions{display:flex;gap:10px;margin-top:22px}.hero-actions a{display:inline-flex;min-height:42px;align-items:center;padding:0 16px;border:1px solid #cbd5e1;border-radius:6px;font-weight:800}.hero-actions a:first-child{background:#111827;border-color:#111827;color:#fff}
.content,.archive{padding-top:34px;padding-bottom:64px}.content>section{margin-bottom:38px}.section-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}.section-head span{color:var(--green);font-size:13px;font-weight:800}.section-head h2{margin:0;font-size:27px}
.news-list,.archive-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.news-item,.archive-card{display:flex;flex-direction:column;min-height:250px;padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}
.news-meta{display:flex;justify-content:space-between;gap:12px;color:#64748b;font-size:12px}.news-meta span{color:var(--blue);font-weight:800}.news-item h3,.archive-card h2{margin:13px 0 10px;font-size:19px;line-height:1.42}.news-item h3 a:hover,.archive-card h2 a:hover{color:var(--blue)}.news-item p,.archive-card p{margin:0;color:var(--muted);font-size:14px}.source-link,.archive-card>a{margin-top:auto;padding-top:18px;color:var(--blue);font-weight:800}
.notice{padding:20px;border-left:4px solid var(--green);background:#edf8f4}.notice p{margin:6px 0 0;color:#3f5f56}.archive-card time{color:var(--green);font-size:13px;font-weight:800}
footer{border-top:1px solid var(--line);background:#fff;padding:24px 0;color:#64748b;font-size:13px}footer a{color:var(--blue)}
@media(max-width:700px){.shell{width:min(100% - 28px,1160px)}.nav-inner{min-height:62px}.brand span{max-width:190px}.site-nav nav a:first-child{display:none}.hero{padding:38px 0 30px}.hero h1{font-size:34px}.hero p{font-size:15px}.hero-actions{display:grid}.news-list,.archive-grid{grid-template-columns:1fr}.news-item,.archive-card{min-height:220px;padding:18px}.news-meta{align-items:flex-start;flex-direction:column;gap:2px}.section-head h2{font-size:23px}}