:root{--paper:#f6f1e7;--paper-deep:#ebe3d4;--ink:#172238;--muted:#697083;--line:rgba(23,34,56,.14);--blue:#3665f3;--blue-soft:#e9eeff;--coral:#ff6b4a;--white:#fffdf8;--shadow:0 22px 60px rgba(46,38,25,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;color:var(--ink);background:radial-gradient(circle at 12% 4%,rgba(54,101,243,.09),transparent 30rem),linear-gradient(rgba(246,241,231,.94),rgba(246,241,231,.98)),repeating-linear-gradient(0deg,rgba(23,34,56,.022) 0 1px,transparent 1px 4px);font-family:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.55}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit}.topbar{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);background:rgba(246,241,231,.9);backdrop-filter:blur(18px)}.topbar-inner{width:min(1180px,calc(100% - 32px));height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{width:39px;height:39px;border-radius:13px;display:grid;place-items:center;color:#fff;background:var(--ink);font:700 19px/1 "Songti SC",serif;box-shadow:5px 5px 0 var(--coral)}.brand strong{display:block;font-size:16px}.brand small{display:block;margin-top:1px;color:var(--muted);font-size:11px}.topnav{display:flex;gap:5px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.48)}.topnav a{padding:7px 13px;border-radius:999px;color:var(--muted);font-size:12px;font-weight:700;text-decoration:none}.topnav a.active{color:#fff;background:var(--ink)}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}.hero:after{content:"";position:absolute;right:-80px;bottom:-155px;width:285px;height:285px;border-radius:50%;background:var(--coral)}.hero-inner{position:relative;z-index:1;width:min(1180px,calc(100% - 32px));margin:auto;padding:70px 0 58px}.eyebrow{margin:0 0 21px;color:var(--blue);font:800 12px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.13em}.hero h1{max-width:850px;margin:0;font-size:clamp(50px,7vw,88px);line-height:1.02;letter-spacing:-.065em}.hero-copy{max-width:690px;margin:26px 0 0;color:#4e566b;font-size:18px;line-height:1.85}.stats{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.stats span{padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.56);color:var(--muted);font-size:12px}.stats strong{color:var(--ink)}
.question-box{max-width:900px;margin-top:40px;padding:18px;border:1px solid rgba(23,34,56,.17);border-radius:22px;background:rgba(255,253,248,.94);box-shadow:12px 12px 0 var(--blue)}.question-box label{display:block;margin:0 0 10px;color:var(--blue);font-size:11px;font-weight:850;letter-spacing:.12em}.question-row{display:flex;gap:10px}.question-row input{min-width:0;flex:1;height:54px;padding:0 17px;border:1px solid var(--line);border-radius:14px;outline:none;background:#fff;color:var(--ink);font-size:15px}.question-row input:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(54,101,243,.12)}.question-row button{height:54px;padding:0 20px;border:0;border-radius:14px;display:flex;align-items:center;gap:18px;background:var(--ink);color:#fff;font-weight:800;cursor:pointer}.quick-questions{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.quick-questions button{padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font-size:11px;cursor:pointer}.quick-questions button:hover{color:var(--blue);border-color:rgba(54,101,243,.35)}
.workspace{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:64px 0 90px;display:grid;grid-template-columns:300px minmax(0,1fr);gap:72px}.taxonomy-panel{align-self:start;position:sticky;top:104px}.section-kicker{display:flex;align-items:center;gap:9px}.section-kicker span{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:var(--coral);color:#fff;font:800 10px/1 ui-monospace,monospace}.section-kicker p{margin:0;font:800 11px/1.2 ui-monospace,monospace;letter-spacing:.13em;text-transform:uppercase}.panel-help{margin:15px 0 22px;color:var(--muted);font-size:12px;line-height:1.75}.level{display:grid;gap:7px}.level button{width:100%;padding:12px 13px;border:1px solid transparent;border-radius:12px;display:flex;align-items:center;justify-content:space-between;background:transparent;text-align:left;cursor:pointer;font-size:13px}.level button span{color:var(--muted);font:700 10px/1 ui-monospace,monospace}.level button:hover{background:rgba(255,255,255,.5)}.level button.active{border-color:var(--ink);background:var(--ink);color:#fff}.level button.active span{color:rgba(255,255,255,.65)}.level-group{margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}.level-group>p{margin:0 0 10px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.1em}.level-three{display:flex;flex-wrap:wrap;gap:7px}.level-three button{width:auto;padding:8px 10px;border-color:var(--line);border-radius:999px;background:rgba(255,255,255,.4);font-size:11px}.clear-filter{margin-top:22px;padding:0;border:0;border-bottom:1px solid var(--ink);background:transparent;font-size:11px;cursor:pointer}
.results-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}.results-head h2{margin:15px 0 5px;font-size:clamp(30px,4vw,46px);line-height:1.05;letter-spacing:-.045em}.results-head>div>p{margin:0;color:var(--muted);font-size:12px}.sort-switch{flex:0 0 auto;display:flex;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.52)}.sort-switch button{padding:8px 11px;border:0;border-radius:999px;background:transparent;color:var(--muted);font-size:11px;font-weight:800;cursor:pointer}.sort-switch button.active{background:var(--blue);color:#fff}.answer-box{margin-bottom:18px;padding:20px 22px;border-left:4px solid var(--blue);border-radius:0 14px 14px 0;background:var(--blue-soft)}.answer-box span{color:var(--blue);font-size:10px;font-weight:850;letter-spacing:.12em}.answer-box p{margin:8px 0 0;font-size:14px;font-weight:680;line-height:1.75}.result-list{display:grid;gap:14px}.result-card{position:relative;padding:24px;border:1px solid var(--line);border-radius:20px;background:rgba(255,253,248,.9);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease}.result-card:hover{transform:translateY(-3px);border-color:rgba(54,101,243,.38)}.result-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.source{padding:5px 8px;border-radius:7px;color:#fff;font:800 9px/1 ui-monospace,monospace;letter-spacing:.08em}.source-hn{background:#ff6b19}.source-arxiv{background:#a63242}.source-github{background:#172238}.result-date{color:var(--muted);font:700 10px/1 ui-monospace,monospace}.result-card h3{margin:17px 0 10px;font-size:20px;line-height:1.35;letter-spacing:-.025em}.result-card h3 a{color:inherit;text-decoration:none}.result-card h3 a:hover{color:var(--blue)}.breadcrumb{margin:0 0 13px;color:var(--blue);font-size:10px;font-weight:750}.result-summary{margin:0;color:#555e72;font-size:13px;line-height:1.75;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.score-row{display:flex;align-items:center;gap:10px;margin-top:18px}.score-row>span{min-width:62px;color:var(--muted);font-size:10px}.score-track{flex:1;height:6px;border-radius:999px;background:var(--paper-deep);overflow:hidden}.score-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),#7392ff)}.score-value{color:var(--ink)!important;font-weight:850}.why{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.65}.load-more{width:100%;margin-top:16px;padding:13px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.52);font-weight:750;cursor:pointer}.empty{padding:44px 24px;border:1px dashed var(--line);border-radius:18px;text-align:center;color:var(--muted)}.skeleton{height:210px;border-radius:20px;background:linear-gradient(100deg,rgba(255,255,255,.35) 20%,rgba(255,255,255,.85) 42%,rgba(255,255,255,.35) 64%);background-size:200% 100%;animation:shimmer 1.3s infinite}@keyframes shimmer{to{background-position:-200% 0}}
.original-title{margin:-4px 0 11px;color:var(--muted);font-size:10px;line-height:1.45}.method{width:min(1180px,calc(100% - 32px));margin:0 auto 90px;padding:56px;border:1px solid var(--line);background:var(--ink);color:#fff;box-shadow:12px 12px 0 var(--coral)}.method .section-kicker span{background:var(--blue)}.method h2{max-width:600px;margin:16px 0 35px;font-size:clamp(34px,5vw,58px);line-height:1.05;letter-spacing:-.05em}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.method article{padding-top:18px;border-top:1px solid rgba(255,255,255,.2)}.method article strong{font-size:14px}.method article p{margin:10px 0 0;color:rgba(255,255,255,.65);font-size:12px;line-height:1.75}footer{width:min(1180px,calc(100% - 32px));margin:auto;padding:28px 0 40px;border-top:1px solid var(--line);display:flex;gap:18px;align-items:center;color:var(--muted);font-size:11px}footer strong{color:var(--ink)}footer a{margin-left:auto;color:inherit;text-decoration:none}
@media(max-width:900px){.topbar-inner{height:62px}.brand small{display:none}.brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px;box-shadow:3px 3px 0 var(--coral)}.topnav a{padding:6px 10px}.hero-inner{padding:38px 0 34px}.hero h1{font-size:clamp(42px,13vw,58px)}.hero-copy{margin-top:18px;font-size:14px;line-height:1.75}.stats{margin-top:18px}.question-box{margin-top:26px;padding:13px;border-radius:18px;box-shadow:7px 7px 0 var(--blue)}.question-row{display:grid}.question-row input,.question-row button{height:50px}.question-row button{justify-content:space-between}.workspace{padding:38px 0 68px;display:block}.taxonomy-panel{position:static}.level-one,.level-two{display:flex;overflow:auto;gap:7px;padding:2px 0 7px;scrollbar-width:none}.level-one::-webkit-scrollbar,.level-two::-webkit-scrollbar{display:none}.level-one button,.level-two button{width:auto;min-width:max-content;padding:10px 12px;border-color:var(--line);background:rgba(255,255,255,.48)}.level-group{margin-top:14px;padding-top:14px}.clear-filter{margin-top:14px}.results-panel{margin-top:42px}.results-head{display:block}.sort-switch{width:max-content;margin-top:16px}.result-card{padding:20px}.result-card h3{font-size:18px}.method{margin-bottom:54px;padding:34px 22px;box-shadow:7px 7px 0 var(--coral)}.method-grid{grid-template-columns:1fr;gap:22px}footer{align-items:flex-start;flex-wrap:wrap}footer span{width:100%;order:3}footer a{margin-left:auto}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
.source-archive{background:#3665f3}