@font-face{font-family:ArchiveSans;src:local("Microsoft YaHei")}@font-face{font-family:ArchiveSerif;src:local("Noto Serif CJK SC"),local("Source Han Serif SC"),local("SimSun")}
:root{--ink:#08242d;--muted:#587078;--paper:#f7f7f1;--white:#fff;--cyan:#078fb2;--teal:#15967d;--lime:#a7c94a;--line:rgba(8,36,45,.14);--shadow:0 24px 70px rgba(8,36,45,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:ArchiveSans,"Microsoft YaHei",sans-serif}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.38;background-image:radial-gradient(circle at 15% 10%,rgba(7,143,178,.14),transparent 29%),radial-gradient(circle at 88% 24%,rgba(21,150,125,.13),transparent 28%),linear-gradient(rgba(8,36,45,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(8,36,45,.035) 1px,transparent 1px);background-size:auto,auto,42px 42px,42px 42px;z-index:-1}a{color:inherit}.topbar{position:sticky;top:0;z-index:50;min-height:82px;padding:12px clamp(18px,3.5vw,56px);display:grid;grid-template-columns:minmax(190px,280px) 1fr auto;align-items:center;gap:24px;border-bottom:1px solid 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rgba(7,143,178,.17);transform:translateY(-2px)}.search-box span{font-size:34px;line-height:1;transform:rotate(-20deg);color:var(--cyan)}.search-box input{width:100%;border:0;outline:0;background:transparent;font:inherit;font-size:18px;color:var(--ink)}.search-box kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:7px;background:#f7faf8;padding:4px 8px;color:var(--muted)}.archive-signal{align-self:center;position:relative;padding:30px}.archive-signal svg{width:100%;overflow:visible;filter:drop-shadow(0 20px 25px rgba(7,143,178,.1))}.archive-signal path{fill:none;stroke:url(#signal);stroke-width:4;stroke-linecap:round;animation:draw 1.4s ease both}.archive-signal path.soft{opacity:.25;stroke-width:2}.archive-signal circle{fill:#fff;stroke:var(--teal);stroke-width:4;animation:pulse 2.8s ease-in-out infinite}.signal-label{display:flex;justify-content:space-between;border-top:1px solid 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@media(max-width:1100px){.topbar{grid-template-columns:auto 1fr}.login-link{display:none}.topbar nav{justify-content:flex-end}.topbar nav a:nth-child(3){display:none}.hero{grid-template-columns:1fr;min-height:auto}.archive-signal{max-width:650px;padding:10px 0}.hero-stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.topic-rail{grid-template-columns:repeat(4,1fr)}.catalog{grid-template-columns:240px minmax(0,1fr)}.result-item{grid-template-columns:56px minmax(0,1fr) 150px}.reader-layout{grid-template-columns:200px minmax(0,1fr)}}
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@media(max-width:760px){.filters{inset:76px 12px 12px;top:76px;max-height:calc(100vh - 88px);background:#fff}.filter-head{position:sticky;top:-26px;z-index:3;margin:-26px -26px 24px;padding:26px 26px 14px;background:#fff;border-bottom:1px solid var(--line)}.filter-actions{display:flex;gap:12px}.filter-close{display:inline-flex!important;padding:7px 12px!important;border-radius:999px!important;background:var(--ink)!important;color:#fff!important}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}