:root{--bg:#101918;--panel:#192522;--line:#34413a;--muted:#a6b7ac;--text:#f4f3e9;--gold:#f1c368;--green:#72d0a1}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'Microsoft YaHei',sans-serif}header{min-height:70px;display:flex;align-items:center;gap:24px;padding:18px 3%;border-bottom:1px solid var(--line)}header a{font-size:23px;font-weight:bold;color:var(--gold);text-decoration:none}header span{font-size:11px;letter-spacing:3px;color:var(--muted);flex:1}main{padding:25px 3%;max-width:2000px;margin:auto}.intro{display:flex;align-items:center;justify-content:space-between;gap:20px}.intro small{color:var(--gold);letter-spacing:5px}h1{font-size:34px;margin:9px 0}p{color:var(--muted);line-height:1.8;font-size:13px}.metrics{display:flex;gap:35px}.metrics b{font-size:30px;display:block;white-space:nowrap}.metrics span{font-size:12px;color:var(--muted)}button,select{font:inherit;font-size:13px;color:var(--text);background:#23332d;border:1px solid #455749;border-radius:8px;padding:10px 14px;cursor:pointer}button:hover{border-color:var(--gold);background:#354435}button:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:3px}button:disabled{cursor:default;opacity:.7}.primary{background:var(--gold);color:#17221c;border-color:var(--gold);font-weight:bold}.toolbar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin:22px 0 15px}.toolbar>div{display:flex;align-items:center;gap:8px}#zoomlabel{font-size:12px;width:42px;text-align:center}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px}.board,aside{border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--panel)}.boardtop,.boardbottom{display:flex;justify-content:space-between;padding:12px 16px;font-size:11px;color:var(--muted);gap:15px}.boardtop{border-bottom:1px solid var(--line)}.boardbottom{min-height:44px;color:var(--gold)}#viewport{overflow:auto;max-height:72vh;min-height:200px;background:#111;scrollbar-color:#758675 #202b24}#canvas{position:relative;width:100%;line-height:0}#scene{width:100%;height:auto;display:block;user-select:none}.pin{position:absolute;transform:translate(-50%,-50%);width:27px;height:30px;min-width:27px;border-radius:50%;padding:0;background:transparent;border:2px solid transparent;font-size:0;box-shadow:none}.pin.target{border-color:var(--gold);box-shadow:0 0 0 3px #f1c36835;background:#f1c36812}.pin.done{background:#177956;border:2px solid #a8ecc6;color:white;font-size:16px}.pin.hinted{outline:5px solid #ffe3a0;outline-offset:5px}.pin:hover{background:#ffffff25}.pin.other{border-color:transparent}.pin.review{border-style:dashed}.sidehead{display:flex;justify-content:space-between;align-items:center}aside{padding:18px}h2{font-size:18px;margin:0}#badge{color:var(--gold);font-size:11px}.help{font-size:12px}#targets{max-height:330px;overflow:auto;display:grid;gap:7px}.targetrow{display:flex;text-align:left;align-items:center;gap:10px;padding:9px;font-size:12px}.targetrow b{display:inline-grid;place-items:center;background:#42523d;color:var(--gold);width:28px;height:26px;border-radius:6px}.targetrow.done{color:var(--green)}details{border-top:1px solid var(--line);margin-top:16px;padding-top:14px}summary{font-size:12px;cursor:pointer;color:var(--muted)}details p{font-size:11px}.wide{width:100%;margin-top:12px}footer{font-size:11px;color:var(--muted);margin-top:16px;line-height:1.8}a{color:var(--gold)}dialog{border:1px solid #576c58;background:#1b2922;color:var(--text);border-radius:17px;padding:26px;width:min(660px,94vw);max-height:90vh;box-shadow:0 20px 90px #0009}dialog::backdrop{background:#040b09ba;backdrop-filter:blur(5px)}#close{float:right;border:0;font-size:24px;padding:0 8px}dialog h2{font-size:24px;margin:8px 0 14px}.kicker{color:var(--gold);font-size:12px;letter-spacing:2px}.crop{height:170px;background-repeat:no-repeat;border:1px solid #596c58;border-radius:10px;margin:15px 0}.options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.options button{text-align:left;min-height:56px;line-height:1.6}.options .correct{border-color:#87e1ac;background:#245c42}.options .wrong{background:#66372b;border-color:#d39977}.feedback{background:#2a382d;padding:14px;border-radius:9px;font-size:13px;line-height:1.9;margin-top:15px}.actions{display:flex;gap:9px;flex-wrap:wrap;margin:15px 0}.resultrow{border-top:1px solid var(--line);padding:13px 0;font-size:13px}.resultrow p{margin:5px 0}.resultnum{font-size:56px;color:var(--gold);font-weight:bold}@media(min-width:1700px){.pin{width:33px;height:36px}}@media(max-width:1000px){.workspace{grid-template-columns:1fr}aside{display:block}#targets{grid-template-columns:repeat(3,1fr);max-height:180px}.intro h1{font-size:27px}.metrics{gap:18px}.metrics b{font-size:24px}}@media(max-width:620px){header span{display:none}header{justify-content:space-between}main{padding:20px 3%}.intro{display:block}.metrics{margin:18px 0;justify-content:space-between}.toolbar>div{flex-wrap:wrap}.toolbar button,.toolbar select{padding:9px 11px}#canvas{min-width:900px}.boardtop span:last-child{display:none}.options{grid-template-columns:1fr}#targets{grid-template-columns:1fr 1fr}.pin{width:27px;height:28px}dialog{padding:19px}}
.primary:hover{background:#f7d493;color:#17221c}.crop{background-color:#111}
.basis{display:block;border-top:1px solid #637362;margin-top:12px;padding-top:10px;font-size:12px}.basis>span{display:block;margin:8px 0}.basis small{display:block;color:#b5c6b9;line-height:1.7}
#labelLeaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}#labelLeaders line{stroke:#ffd17e;stroke-width:2;vector-effect:non-scaling-stroke}.pin.newpin{z-index:2;font-size:13px!important;width:28px;height:28px;border:1.5px solid #fff3d1;background:#b52c28;color:white;box-shadow:0 1px 4px #0009}.pin.newpin.done{background:#177956}
#score,.resultnum{color:#ff6464;text-shadow:0 0 22px #ff454533}.metrics>div:nth-child(2){padding:8px 18px;border:1px solid #ff747477;border-radius:12px;background:#462525}.hidden-mode{cursor:crosshair}.hidden-mode .pin{cursor:pointer}.pin.newpin{background:#842f30;color:#fff;font-size:17px;border-color:#ffc36c}.customfinding{padding:10px;background:#3d3d2a;border-radius:8px;font-size:12px}textarea{width:100%;padding:12px;background:#111c16;color:white;border:1px solid #889a87;border-radius:9px;font:inherit}.crop{max-width:560px}.boardtop span:last-child{display:none}
#canvas .pin.newpin{width:var(--marker-w);min-width:0;height:var(--marker-h);font-size:var(--marker-font)!important;border:1px solid white;border-radius:50%;padding:0;line-height:1;background:#af0806;color:white;font-family:Arial,sans-serif;font-weight:400;box-shadow:none}#canvas .pin.newpin.done{background:#177956}
.major-basis{display:block;background:#422629;border-left:3px solid #ff7474;padding:10px;margin-top:12px}.major-basis>span{display:block;margin-top:10px}.basis strong{font-size:15px;color:#ffe0a3}.basis a{color:#b9dfef;text-decoration:underline}.basis .application{padding:8px;background:#23372e}.basis small{font-size:13px}
.learning-footer{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:22px 0 8px;border-top:1px solid var(--line)}.learning-note{max-width:1050px;flex:1}.learning-note>strong{font-size:13px;color:#dce5da}.learning-note p{font-size:12px;margin:7px 0;line-height:1.9}.zf-brand{display:flex;align-items:center;gap:13px;flex-shrink:0;padding:12px 4px;color:var(--gold)}.zf-seal{display:grid;place-content:center;width:56px;height:56px;border:2px solid #dd715b;border-radius:7px;color:#ef9c84;font-family:'KaiTi','STKaiti',serif;font-weight:bold;font-size:21px;line-height:1.1;letter-spacing:2px;transform:rotate(-3deg)}.zf-wordmark b{display:block;font-size:25px;letter-spacing:4px}.zf-wordmark small{display:block;font-size:10px;letter-spacing:2px;margin-top:3px;color:var(--muted)}@media(max-width:700px){.learning-footer{flex-direction:column;align-items:stretch;gap:12px}.zf-brand{align-self:flex-end}.zf-wordmark b{font-size:22px}}
.zf-brand{background:#fffdf8;border-radius:12px;padding:12px 16px;gap:15px}.zf-brand img{display:block;width:112px;height:112px;object-fit:contain}.zf-mission{font-family:'Microsoft YaHei',sans-serif;color:#061b35;font-size:17px;font-weight:700;line-height:1.9;letter-spacing:3px;white-space:nowrap}@media(max-width:700px){.zf-brand img{width:88px;height:88px}.zf-mission{font-size:15px}}
.zf-brand{background:transparent;border-radius:0;padding:6px 0;gap:10px;opacity:.7}.zf-brand img{width:70px;height:70px;filter:invert(1) grayscale(1);mix-blend-mode:screen;opacity:.8}.zf-mission{color:var(--muted);font-size:12px;font-weight:400;line-height:1.85;letter-spacing:2px}@media(max-width:700px){.zf-brand img{width:60px;height:60px}.zf-mission{font-size:11px}}
.zf-brand{opacity:1}.zf-brand img{filter:none;mix-blend-mode:normal;opacity:1}.zf-mission{color:#fff}
.zf-brand img{filter:url(#logo-remove-white)}
.zf-brand img{filter:none;mix-blend-mode:normal;opacity:1}
.zf-brand img{border:1px solid #fff}
.zf-brand img{border:0;filter:none;mix-blend-mode:normal;opacity:1}
#mode{font-size:16px;font-weight:700;color:#fff0bc;background:#364333;border:2px solid #f1c368;padding:12px 16px;box-shadow:0 0 0 3px #f1c36812}#mode option{background:#192522;color:#fff}#start{font-size:16px;padding:13px 22px;box-shadow:0 3px 14px #f1c36825}#boardtitle{font-size:14px;font-weight:700;color:#ffe0a3}aside .help,#targets>p{font-size:14px;line-height:1.9;color:#e4ecdf}#targets>p{border-left:3px solid #f1c368;background:#f1c3680c;padding:10px 12px;margin:4px 0 12px}@media(max-width:620px){#mode{font-size:15px;max-width:100%}#start{font-size:15px}}