:root{--bg:#f6f8fc;--surface:#fff;--text:#202b43;--muted:#7b8599;--border:#e9edf5;--primary:#4263eb;--soft:#edf1ff;--shadow:0 8px 28px #24356606}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}body.dark{--bg:#141927;--surface:#1c2334;--text:#e8ecf6;--muted:#a0abc0;--border:#30394e;--soft:#293455;--primary:#91a8ff}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{text-decoration:none;color:inherit}button{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:8px 13px}button:hover{color:var(--primary);border-color:var(--primary)}:focus-visible{outline:3px solid #829aff;outline-offset:4px}aside{width:230px;position:fixed;inset:0 auto 0 0;background:var(--surface);border-right:1px solid var(--border);padding:30px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:750;letter-spacing:1px}.logo{display:grid;place-items:center;background:#4263eb;color:white;width:43px;height:43px;border-radius:14px;box-shadow:0 7px 15px #4263eb25}.side-label{font-size:11px;color:var(--muted);letter-spacing:2px;margin:44px 12px 16px}nav{display:grid;gap:8px}nav button{text-align:left;border:0;background:transparent;padding:13px 15px;color:var(--muted);display:flex;align-items:center;gap:13px}nav button.active{background:var(--soft);color:var(--primary);font-weight:600}nav .nav-icon{font-size:18px;width:22px}.side-bottom{margin-top:auto;color:var(--muted);font-size:12px;padding:16px 10px}.dot{display:inline-block;width:7px;height:7px;background:#4abd98;border-radius:50%;margin-right:8px}.workspace{margin-left:230px}header{height:80px;display:flex;align-items:center;justify-content:space-between;padding:0 44px;border-bottom:1px solid var(--border);background:var(--surface)}header>div{display:flex;gap:10px}.header-note{color:var(--muted)}main{max-width:1480px;margin:auto;padding:0 44px}.hero{padding:52px 0 42px;text-align:center}.eyebrow{color:var(--primary);font-size:11px;letter-spacing:3px;font-weight:700}h1{font-size:36px;letter-spacing:-1px;line-height:1.35;margin:16px 0 12px}h1 span{color:var(--primary)}.hero>p{color:var(--muted);font-size:15px;margin:0 0 27px}form{max-width:720px;margin:auto;display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--border);padding:9px;border-radius:15px;box-shadow:0 10px 35px #32498109}form:focus-within{border-color:var(--primary)}select{background:transparent;color:var(--text);border:0;border-right:1px solid var(--border);padding:5px 12px;max-width:125px}input{flex:1;min-width:0;background:transparent;color:var(--text);border:0;outline:0;padding:10px 0}.search-button{background:#4263eb;color:#fff;border:0;min-width:96px;padding:12px}.search-button:hover{color:white;background:#3554d4}.search-button span{margin-left:12px}.search-tip{font-size:12px;color:var(--muted);margin-top:15px}.search-tip span{margin:0 10px}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.toolbar h2{font-size:19px;margin:0 0 3px}.toolbar p{color:var(--muted);font-size:12px;margin:0}.section{margin-bottom:32px}.section-head{display:flex;align-items:center;gap:10px;margin-bottom:15px}.section-head h3{font-size:15px;margin:0}.section-head small{color:var(--muted);font-weight:400}.section-head .count{margin-left:auto;color:var(--muted);font-size:12px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{position:relative;border:1px solid var(--border);background:var(--surface);border-radius:13px;box-shadow:var(--shadow);transition:transform .18s,border-color .18s}.card:hover{transform:translateY(-3px);border-color:#bac7f6}.site{display:flex;align-items:center;gap:13px;padding:23px 34px 23px 18px;min-height:103px}.site-icon{flex-shrink:0;display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:var(--soft);color:var(--primary);font-size:19px;font-weight:700}.site-copy{min-width:0}.site-copy strong{font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.site-copy p{margin:4px 0 0;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fav{position:absolute;right:7px;top:6px;border:0;background:transparent;color:var(--muted);font-size:19px;padding:2px 7px}.fav.saved{color:#d69b20}.empty{text-align:center;background:var(--surface);padding:50px 20px;border:1px dashed var(--border);border-radius:15px}.empty p{color:var(--muted)}footer{border-top:1px solid var(--border);display:flex;justify-content:space-between;color:var(--muted);font-size:11px;padding:25px 0 30px;margin-top:45px}.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);padding:10px 22px;background:var(--text);color:var(--surface);border-radius:30px;opacity:0;pointer-events:none;transition:opacity .2s}#toast.visible{opacity:1}@media(min-width:1600px){.grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media(max-width:1200px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}aside{width:205px}.workspace{margin-left:205px}main,header{padding-left:28px;padding-right:28px}}@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head small{display:none}}@media(max-width:680px){aside{position:relative;width:100%;padding:19px 18px 0;border-right:0;border-bottom:1px solid var(--border)}.brand{font-size:20px}.logo{width:38px;height:38px}.side-label,.side-bottom{display:none}nav{display:flex;overflow:auto;gap:6px;margin-top:18px;padding-bottom:12px}nav button{white-space:nowrap;padding:8px 13px}nav .nav-icon{display:none}.workspace{margin:0}header{height:60px;padding:0 18px}.header-note{font-size:11px}header button{font-size:12px;padding:6px 9px}#theme span{display:none}main{padding:0 18px}.hero{padding:34px 0 30px}h1{font-size:27px}.hero>p{font-size:13px}form{gap:7px;padding:6px}select{font-size:12px;padding:5px;max-width:95px}input{font-size:13px}.search-button{min-width:60px;padding:10px}.search-button span{display:none}.search-tip{font-size:10px}.grid{gap:10px}.site{padding:20px 25px 18px 12px;gap:9px;min-height:99px}.site-icon{width:32px;height:32px;border-radius:10px;font-size:15px}.site-copy strong{font-size:12px}.site-copy p{font-size:10px}.fav{font-size:17px;right:2px}.toolbar h2{font-size:17px}footer{gap:12px;flex-direction:column}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}