*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;color:#243e39;background:#f8faf8;font:12px/1.5 system-ui,"Microsoft YaHei",sans-serif}body{display:flex;flex-direction:column}.tools{display:flex;align-items:center;gap:16px;padding:15px 22px;background:#fff;border-bottom:1px solid #e0e8e2;min-height:66px}.identity{display:flex;align-items:center;gap:8px;white-space:nowrap;margin-right:auto;font-size:12px;letter-spacing:.05em}.dot{width:6px;height:6px;border-radius:50%;background:#589987}.choices{display:flex;gap:2px;padding:3px;border:1px solid #dfe7e2;border-radius:7px;background:#f5f8f5}button,select{font:inherit;color:inherit;cursor:pointer}button{border:0;background:transparent;border-radius:4px;padding:5px 10px}.choices button.on{background:#fff;color:#1f6a53;box-shadow:0 1px 4px #173f2420}select{border:0;border-bottom:1px solid #cddbd2;max-width:270px;padding:6px 20px 6px 0;background:#fff;color:#4e645a}.mesh{display:flex;align-items:center;gap:5px;white-space:nowrap;color:#587166}.mesh input{accent-color:#316c53}.reset{border:1px solid #dce6de;color:#587166}.scene{position:relative;flex:1;min-height:0;background:radial-gradient(ellipse at 50% 45%,#fff 8%,#f1f5f1 100%)}canvas{width:100%;height:100%;display:block;position:absolute;inset:0;touch-action:none;cursor:grab}canvas:active{cursor:grabbing}.panels{position:absolute;inset:0;display:grid;pointer-events:none}.panel{position:relative;border-right:1px solid #dce5dd70}.panel:last-child{border-right:0}.panel header{position:absolute;inset:22px 18px auto;display:flex;align-items:center;gap:9px;font-weight:600;font-size:13px;letter-spacing:.06em}.panel header span{font:10px/1.5 system-ui,sans-serif;color:#8d9d92;letter-spacing:.14em}.legend{position:absolute;bottom:44px;left:18%;width:64%;color:#718178;font-size:10px}.bar{height:5px;margin-bottom:5px;border-radius:2px}.ends{display:flex;justify-content:space-between;gap:8px}.unit{font-size:10px;letter-spacing:.04em;text-align:center;margin-top:3px;color:#73857b}.hint{position:absolute;bottom:10px;left:0;right:0;text-align:center;font-size:10px;letter-spacing:.08em;color:#9aa79c;pointer-events:none}.caption{min-height:37px;padding:10px 16px;text-align:center;border-top:1px solid #e2e9e3;background:#fff;color:#819185;font-size:10px;letter-spacing:.04em}.loading{position:absolute;inset:0;display:grid;place-content:center;color:#688575;background:#f5f8f4dd;z-index:3}.loading.error{color:#9b4b39;padding:30px;text-align:center}.mobile-panes{display:none}button:focus-visible,select:focus-visible{outline:2px solid #4c9074;outline-offset:3px}@media(max-width:850px){.tools{gap:9px;padding:10px 12px;flex-wrap:wrap}.identity{width:100%;margin:0}.tools select{flex:1;min-width:130px;max-width:100%}.choices button{padding:4px 8px}.tools{min-height:84px}.mesh{font-size:11px}.caption{font-size:9px}.hint{font-size:9px}.panel header{inset:15px 12px auto;font-size:12px}}@media(max-width:680px){.mobile-panes{display:flex;justify-content:center;padding:5px;gap:12px;background:white;border-bottom:1px solid #e0e8e2}.mobile-panes button.on{color:#226e53;background:#e9f2eb}.identity{font-size:11px}.reset{padding:4px}.caption{padding:8px}.legend{left:25%;width:50%}}
[hidden]{display:none!important}
.panels{z-index:2}.hint{z-index:2}
.case-context{flex:none;background:#fff;border-bottom:1px solid #e0e8e2;padding:12px 22px 14px}.context-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:9px}.context-heading h2{font-size:12px;line-height:1.5;font-weight:600;margin:0;color:#2f6755}.context-heading>span{font-size:10px;color:#819187;font-variant-numeric:tabular-nums}.context-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.context-item b{font-size:10px;font-weight:500;color:#85948a;letter-spacing:.08em}.context-item p{margin:3px 0 0;font-size:11px;line-height:1.65;color:#4d655a}@media(max-width:680px){.case-context{padding:9px 12px 11px}.context-heading{align-items:flex-start;flex-direction:column;gap:3px;margin-bottom:7px}.context-grid{display:block}.context-item{display:grid;grid-template-columns:54px minmax(0,1fr);gap:7px;margin-top:5px}.context-item b{padding-top:1px}.context-item p{margin:0;font-size:10px;line-height:1.55}}