:root{color-scheme:light;--ink:#203c35;--muted:#718078;--line:#dde3db;--paper:#fbfcf8;--green:#163c35;--accent:#e7efdf;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#f1f3ec;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,select,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #c48b45;outline-offset:3px}button:disabled{opacity:.5;cursor:default}[hidden]{display:none!important}.masthead{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4%;border-bottom:1px solid var(--line);background:var(--paper)}.brand{display:flex;align-items:center;gap:12px}.brand>span{font-size:25px;font-weight:760;line-height:1.1;letter-spacing:-1px}.brand small{display:block;margin-top:6px;font-size:10px;font-weight:500;letter-spacing:2px;color:var(--muted)}.header-meta{display:flex;gap:28px;align-items:center;font-size:12px;color:var(--muted)}.header-meta a{color:var(--green)}.intro{display:flex;justify-content:space-between;align-items:center;padding:39px 5% 40px;overflow:hidden}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.8px;color:#6b8370;margin:0 0 13px}.intro h1{font-size:clamp(24px,2.5vw,37px);letter-spacing:-1px;font-weight:650;line-height:1.4;margin:0 0 12px}.intro p:last-child{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.intro-mark{position:relative;width:130px;height:100px;flex-shrink:0;margin-right:3%}.orbit{position:absolute;width:120px;height:48px;border:1px solid #9db39c;border-radius:50%;left:5px;top:25px;transform:rotate(-35deg)}.orbit.second{transform:rotate(35deg)}.intro-mark i{position:absolute;left:58px;top:42px;width:16px;height:16px;border-radius:50%;background:#d9a66c}.workspace{margin:0 2.5% 30px;display:grid;grid-template-columns:228px minmax(0,1fr);border:1px solid var(--line);border-radius:16px;overflow:clip;background:var(--paper);min-height:700px}.sidebar{padding:24px 17px;border-right:1px solid var(--line);background:#f7f9f3}.side-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:0 7px}.side-heading h2{font-size:14px;font-weight:650;margin:0}.side-heading span{font-size:11px;color:var(--muted)}.search{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:7px;padding:8px 10px;background:white}.search>span{font-size:21px;line-height:1;color:var(--muted)}.search input{min-width:0;width:100%;background:none;border:0;outline:none;font-size:12px;color:var(--ink)}#subject{width:100%;padding:9px 7px;margin:9px 0 17px;background:transparent;border:0;color:var(--muted);font-size:11px}#topic-list{display:flex;flex-direction:column;gap:4px}.topic-link{display:block;padding:11px 12px;border-radius:8px;border:1px solid transparent}.topic-link strong{display:block;font-weight:550;font-size:13px}.topic-link small{display:block;margin-top:6px;font-size:10px;color:var(--muted)}.topic-link:hover{background:#edf1e7}.topic-link[aria-current=page]{background:var(--green);color:#fff}.topic-link[aria-current=page] small{color:#bed1c2}.side-note{font-size:11px;color:#839082;line-height:1.9;border-top:1px solid var(--line);margin:23px 7px 0;padding-top:18px}.empty-search{font-size:12px;color:var(--muted);padding:10px}.content{min-width:0;padding:0 24px 20px}.view-tabs{display:flex;gap:26px;border-bottom:1px solid var(--line)}.view-tabs button{border:0;background:none;font-size:12px;color:var(--muted);padding:20px 1px 16px;border-bottom:2px solid transparent}.view-tabs button[aria-selected=true]{color:var(--green);border-bottom-color:var(--green);font-weight:650}.topic-heading{padding:25px 0 18px}.subject-tag{font-size:10px;letter-spacing:1px;color:#74846f}.topic-heading h2{margin:10px 0;font-size:26px;font-weight:650;letter-spacing:-.5px}.topic-heading p{margin:0;color:var(--muted);font-size:12px;line-height:1.9}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding:14px 0}.toolbar>p{font-size:11px;color:var(--muted);margin:0}.toolbar>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.toolbar label{font-size:10px;color:var(--muted)}select{border:1px solid var(--line);border-radius:5px;padding:7px;background:var(--paper);font-size:10px;color:var(--ink)}.button{font-size:10px;border:1px solid #cfdacb;border-radius:5px;padding:8px 10px;background:var(--accent);color:var(--ink)}.button.quiet{background:transparent}.model-nav{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 17px}.model-nav a{font-size:10px;border:1px solid var(--line);padding:6px 9px;border-radius:20px;color:var(--muted)}.model-nav a:hover{border-color:#9db39c;color:var(--ink)}.panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.panel{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;scroll-margin-top:15px;min-width:0}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 13px;gap:8px;background:#f8faf5;border-bottom:1px solid var(--line)}.panel-header h3{margin:0;font-size:12px;font-weight:650}.panel-header a{font-size:10px;color:#708269;white-space:nowrap}.panel-header a:hover{text-decoration:underline}.stage{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:#eef0eb}.stage iframe{position:absolute;top:0;left:0;border:0;transform-origin:top left;background:white}.panel-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 12px;border-top:1px solid var(--line);font-size:9px;color:var(--muted)}.indicator{display:inline-block;width:5px;height:5px;border-radius:50%;background:#699577;margin-right:5px}.panel-footer button{font-size:9px;border:0;background:none;color:#56794e;padding:0}.paused{position:absolute;inset:0;display:grid;place-content:center;gap:12px;text-align:center;color:var(--muted);font-size:12px}.compare-note{margin:20px 0 2px;text-align:center;font-size:10px;color:var(--muted)}.table-scroll{overflow:auto;margin:0 0 20px}table{width:100%;border-collapse:collapse;text-align:left;font-size:11px;white-space:nowrap}th,td{padding:15px 12px;border-bottom:1px solid var(--line)}th{font-size:10px;color:var(--muted);font-weight:500}td button{background:none;border:0;padding:0;font-size:12px;text-align:left;color:var(--ink)}td small{display:block;font-size:9px;color:var(--muted);margin-top:6px}td a{color:#4d7750;font-size:10px}td a:hover,td button:hover{text-decoration:underline}.error{padding:20px;background:#fff0e5;color:#884e26;border-radius:8px;font-size:13px}footer{display:flex;justify-content:space-between;gap:20px;margin:0 4% 28px;font-size:11px;color:#7e897b}.footer-dot{margin:0 8px;color:#b3bcae}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(min-width:1800px){.workspace{max-width:1900px;margin-left:auto;margin-right:auto}}
@media(max-width:1100px){.workspace{grid-template-columns:195px minmax(0,1fr)}.content{padding:0 17px 20px}.toolbar{align-items:flex-start;flex-direction:column}.toolbar>p{display:none}.panel-header{padding:10px}.panel-header h3{font-size:10px}.panel-header a{font-size:9px}}
@media(max-width:760px){.masthead{padding:17px 5%}.header-meta{font-size:10px;gap:15px}.header-meta>span{display:none}.intro{padding:27px 6%}.intro h1{font-size:25px;max-width:320px}.intro p:last-child{font-size:12px}.intro-mark{display:none}.workspace{display:block;margin:0 3% 23px;border-radius:12px}.sidebar{padding:17px;border-right:0;border-bottom:1px solid var(--line)}.side-heading{margin-bottom:12px}.search{display:inline-flex;width:60%}#subject{width:38%;margin:0;padding:10px}#topic-list{margin-top:12px;flex-direction:row;overflow:auto;padding:2px 2px 6px;gap:6px}.topic-link{flex:0 0 auto;padding:9px 12px;border:1px solid var(--line)}.topic-link strong{font-size:11px}.topic-link small,.side-note{display:none}.content{padding:0 15px 16px}.view-tabs button{padding-top:16px}.topic-heading{padding:22px 0 16px}.topic-heading h2{font-size:25px}.toolbar{padding-top:12px}.toolbar>div{gap:6px}.toolbar label{display:none}.toolbar select{max-width:160px}.panels{grid-template-columns:minmax(0,1fr);gap:15px}.panel-header h3{font-size:12px}.panel-header a{font-size:10px}.model-nav{gap:5px}.model-nav a{font-size:9px;padding:5px 8px}footer{flex-direction:column;gap:8px;margin:0 6% 22px;font-size:10px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}.topic-link,.button{transition:background .15s ease}}