.support-views{display:flex;gap:6px}.comparison{position:relative;display:grid;grid-template-columns:repeat(4,1fr);height:210px;gap:8px;margin-bottom:13px}#comparison-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.comparison button{position:relative;background:transparent;border:1px solid #cfdbd7;border-radius:12px;padding:9px 10px 8px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;overflow:hidden}.comparison button.active{background:transparent;color:#1d6673;border:2px solid #267382}.comparison button b{font-size:16px;background:#f9faf8dd;padding:1px 4px;border-radius:4px}.comparison button span{font-size:11px;background:#f9faf8df;border-radius:4px;padding:2px 4px;color:#5d787e}.comparison button:hover{box-shadow:0 1px 8px #42626b22}#support-stage{height:430px;position:relative;border:1px solid #dbe4df;border-radius:15px;background:#f0f4f1;overflow:hidden}#support-scene,#support-tags{position:absolute;inset:0}#support-scene canvas{display:block;width:100%;height:100%;touch-action:none}#support-tags{pointer-events:none}.support-tag{position:absolute;transform:translate(-50%,-50%);padding:5px 8px;background:#fffffff0;border:1px solid #b6ccca;color:#27636d;border-radius:6px;font-size:13px;white-space:nowrap;max-width:90%}.concept-note{position:absolute;bottom:12px;left:15px;color:#7c9293;font-size:11px;pointer-events:none}.support-stepper{display:flex;align-items:center;justify-content:center;gap:25px;margin:14px 0 8px}.support-stepper>div{min-width:275px;text-align:center}.support-stepper small{display:block;font-size:11px;color:#859995;margin-bottom:4px}.support-stepper strong{font-size:20px;color:#275d68}.support-stepper button{font-size:13px}.support-feedback{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#edf3ef;padding:10px 14px;border-radius:10px}.support-feedback p{font-size:14px;line-height:1.7;margin:0;max-width:900px}.support-feedback button{flex-shrink:0;font-size:12px}#deform-caption{background:#f5f1fb;color:#59328b;border-radius:8px;margin-top:9px;padding:9px 13px;font-size:13px}.arch-details{margin-top:16px;border-top:1px solid #dde6e0;padding-top:12px}.arch-details summary{font-size:13px;color:#4d747b;cursor:pointer}.arch-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.arch-grid figure{margin:10px 0 0;background:#f0f4f0;border-radius:9px;padding:8px}.arch-grid svg{width:100%;display:block}.arch-grid figcaption{font-size:12px;color:#5e777e;line-height:1.6}.sketch-rib{fill:none;stroke:#ac8963;stroke-width:8}.sketch-deck{fill:none;stroke:#526d76;stroke-width:7}.sketch-post{fill:none;stroke:#758c91;stroke-width:2.5}.sketch-ground{fill:none;stroke:#b6b399;stroke-width:10}.sketch-pier{fill:none;stroke:#a3b1ae;stroke-width:11}button:disabled{opacity:.4;cursor:default}
@media(max-width:720px){.support-views{justify-content:flex-end;margin-bottom:10px}.support-views button{font-size:12px;min-height:32px;padding:5px 10px}.comparison{grid-template-columns:repeat(2,1fr);height:310px;gap:7px}.comparison button b{font-size:13px}.comparison button span{font-size:9px;padding:0}.comparison button{padding:7px}#support-stage{height:340px}.support-tag{font-size:10px;padding:4px 6px}.support-stepper{gap:8px}.support-stepper>div{min-width:190px}.support-stepper strong{font-size:16px}.support-stepper button{padding:6px 9px;font-size:11px;min-height:34px}.support-feedback{display:block;padding:10px}.support-feedback p{font-size:12px}.support-feedback button{display:block;margin:8px 0 0 auto}.concept-note{font-size:9px;left:10px;bottom:9px}#deform-caption{font-size:12px}.arch-grid{grid-template-columns:1fr}.arch-grid figure{max-width:400px}.arch-grid svg{max-height:130px}}

@media(max-width:720px){#support-stage{height:300px}.comparison button b{font-size:12px}.support-tag{font-size:10px;padding:3px 5px}}

.support-explanation{margin:16px 0 8px}.support-explanation>strong{font-size:21px;display:block;margin:0 0 9px;color:#275d68}.comparison{height:240px}.comparison button{z-index:1;cursor:pointer;transition:border-color .15s}.comparison button.active{box-shadow:inset 0 -5px #287e82}.comparison button:focus-visible{outline:3px solid #b8893c;outline-offset:2px}.comparison button span{font-size:13px}.comparison button b{font-size:17px}.comparison button::after{content:"点击观察";position:absolute;right:8px;top:10px;font-size:10px;color:#648489}.comparison button.active::after{content:"正在观察";color:#17666c}@media(max-width:720px){.comparison{height:330px}.comparison button span{font-size:11px}.comparison button b{font-size:13px}.comparison button::after{font-size:9px;top:32px}.support-explanation>strong{font-size:18px}.support-feedback p{font-size:14px;line-height:1.7}}