:root{color-scheme:light dark;--bg:#f5f7fa;--surface:#fff;--ink:#172b40;--muted:#5b6e82;--line:#dce4ed;--blue:#1762d3;--tint:#eef5ff;--accent:#087f86}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,p{margin-top:0}h1{font-size:clamp(28px,4vw,44px);line-height:1.35;letter-spacing:-.025em;margin:12px 0 16px}h2{font-size:20px;line-height:1.5}p{overflow-wrap:anywhere}.top{background:var(--surface);border-bottom:1px solid var(--line);padding:22px max(24px,calc((100vw - 1200px)/2));display:flex;gap:24px;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);line-height:1.4}.brand>b{background:var(--blue);color:#fff;padding:10px;border-radius:12px;font-size:20px}.brand>span{font-weight:650}.brand small{display:block;color:var(--muted);font-weight:400;font-size:13px}.actions{display:flex;gap:22px;align-items:center}.enter{border:1px solid var(--line);border-radius:8px;padding:8px 15px}.chapter-nav{display:flex;max-width:1200px;gap:28px;margin:auto;padding:18px 0;border-bottom:1px solid var(--line)}.chapter-nav a{color:var(--muted)}.chapter-nav a.active{color:var(--blue);font-weight:700}main{max-width:1200px;margin:48px auto 72px;min-height:55vh}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--accent)}.intro{max-width:850px;font-size:18px;color:var(--muted);margin-bottom:32px}.back{display:inline-block;margin:0 0 24px}.search{display:flex;align-items:end;flex-wrap:wrap;gap:16px;background:var(--surface);padding:20px;border:1px solid var(--line);border-radius:12px;margin:8px 0 24px}.search label{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--muted);max-width:100%}.search-input{flex:1;min-width:200px}.search select{max-width:340px;width:100%}input,select,button{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:7px;background:var(--surface);padding:10px 12px;min-height:44px}button{background:var(--blue);color:#fff;border-color:var(--blue);cursor:pointer;padding:10px 22px}.search>a{padding:10px 0}.count,.secondary{font-size:13px;color:var(--muted)}.terms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.term-card{background:var(--surface);padding:24px;border:1px solid var(--line);border-radius:12px}.term-card h2{margin:14px 0 4px}.term-card h2 a{color:var(--ink)}.term-card p:last-child{font-size:14px;margin:12px 0 0;color:var(--muted)}.tag{font-size:12px;font-weight:700;color:var(--accent);background:var(--tint);padding:4px 8px;border-radius:5px}.pagination{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}.pagination a,.pagination span{padding:7px 13px;background:var(--surface);border:1px solid var(--line);border-radius:7px}.pagination [aria-current]{background:var(--blue);color:#fff;border-color:var(--blue)}.term-name{font-weight:700;font-size:18px;margin-bottom:12px}.term-name span{font-weight:400;color:var(--muted);margin-left:12px}.aliases{font-size:14px;color:var(--muted)}.term-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:30px;align-items:start;margin:26px 0}.term-body{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:32px}.term-body section+section{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.term-body p{line-height:1.95;margin-bottom:0;white-space:pre-line}.related{padding:24px;background:var(--tint);border-radius:12px}.related h2{font-size:18px}.related p{font-size:14px;color:var(--muted)}.related-link{display:block;border-top:1px solid var(--line);padding:12px 0;font-size:14px}.related-terms{margin-top:38px}.chips{display:flex;flex-wrap:wrap;gap:12px}.chips a{background:var(--surface);border:1px solid var(--line);padding:8px 14px;border-radius:8px}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.library-card{position:relative;border:1px solid var(--line);border-radius:12px;padding:26px;background:var(--surface);color:var(--ink);transition:border-color .15s,transform .15s}.library-card:hover{border-color:var(--blue);text-decoration:none;transform:translateY(-2px)}.library-card h2{margin:18px 0 10px}.library-card strong{font-size:36px;line-height:1.4}.number{font-size:12px;letter-spacing:.14em;color:var(--accent)}.arrow{position:absolute;right:26px;bottom:32px;color:var(--blue);font-size:24px}.glossary-banner{margin-top:30px;padding:26px;border-radius:12px;background:var(--tint)}.glossary-banner h2{margin-bottom:6px}.content-list{padding:0;margin:0;list-style:none;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;counter-reset:item}.content-list>li{padding:18px 24px;display:flex;gap:20px;align-items:center;justify-content:space-between}.content-list>li+li{border-top:1px solid var(--line)}.content-list small{display:block;font-size:12px;color:var(--muted);margin-bottom:5px}.content-list a{font-size:17px;overflow-wrap:anywhere}.content-list>li>span{color:var(--muted)}.empty{padding:40px;background:var(--surface);border-radius:12px}footer{max-width:1200px;display:flex;flex-wrap:wrap;gap:24px;border-top:1px solid var(--line);margin:0 auto;padding:26px 0 38px;font-size:13px;color:var(--muted)}footer>span{margin-right:auto}.skip{position:absolute;left:20px;top:-100px;padding:10px;background:var(--surface);z-index:9}.skip:focus{top:10px}
@media(prefers-color-scheme:dark){:root{--bg:#0e1723;--surface:#172333;--ink:#e4edf7;--muted:#aab9cc;--line:#344357;--blue:#7db3ff;--tint:#1b3046;--accent:#65d0cc}button,.brand>b,.pagination [aria-current]{color:#0c1b2a}}
@media(max-width:1250px){main,.chapter-nav,footer{margin-left:24px;margin-right:24px}}
@media(max-width:850px){.terms,.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.term-layout{grid-template-columns:1fr}.related{display:block}}
@media(max-width:540px){.top{padding:16px;gap:12px}.brand>span{font-size:12px}.brand b{font-size:17px}.actions{gap:12px;font-size:13px}.enter{padding:7px}.terms,.library-grid{grid-template-columns:1fr}.chapter-nav{gap:20px;font-size:14px}main{margin-top:28px}.intro{font-size:16px}.search{padding:16px}.search label{flex:1 1 100%}.search select{max-width:none}.term-body{padding:22px}.term-card,.library-card{padding:22px}.content-list>li{padding:16px}.term-name span{display:block;margin:6px 0}.intro{margin-bottom:24px}main,.chapter-nav,footer{margin-left:16px;margin-right:16px}.library-card strong{font-size:30px}}
@media(prefers-reduced-motion:reduce){.library-card{transition:none}.library-card:hover{transform:none}}

.content-item{min-width:0;flex:1}.content-list>li{align-items:start}.content-title{font-weight:650}.scene-titles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 36px;margin:14px 0 0;padding:16px 0 0 26px;border-top:1px solid var(--line)}.scene-titles li{padding:0;line-height:1.7;color:var(--muted)}.scene-titles a{display:block;padding:4px 0;font-size:14px;color:var(--ink)}.scene-titles li::marker{font-size:12px;color:var(--accent)}
@media(max-width:850px){.scene-titles{grid-template-columns:1fr;gap:6px;padding-left:22px}}