.ca-topic{--ca-ink:#173a2b;--ca-green:#347047;--ca-line:#d6e9d5;--ca-muted:#577567;color:var(--ca-ink);margin:22px 0;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;text-align:left;line-height:1.5;min-width:0}
.ca-topic *{box-sizing:border-box}.ca-topic button{font:inherit;cursor:pointer;letter-spacing:normal;transform:none;box-shadow:none}.ca-topic button:focus-visible{outline:3px solid #76994c;outline-offset:3px}.ca-topic button:hover{filter:brightness(.97)}
.ca-topic-summary{display:flex;align-items:center;justify-content:space-around;gap:12px;background:white;border:1px solid var(--ca-line);border-radius:16px;margin-bottom:16px;padding:16px;color:var(--ca-muted);font-size:14px}.ca-topic-summary span{flex:1;text-align:center}.ca-topic-summary span+span{border-left:1px solid var(--ca-line)}.ca-topic-summary strong{color:var(--ca-ink);font-size:25px;margin-right:5px;font-variant-numeric:tabular-nums}
.ca-topic-card{background:#fff;border:1px solid var(--ca-line);border-radius:22px;padding:24px;box-shadow:0 6px 22px #173a2b04}.ca-topic-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.ca-topic h2{font-size:22px;margin:0;font-weight:800;line-height:1.4;color:var(--ca-ink)}.ca-topic-head p{margin:4px 0 0;color:var(--ca-muted);font-size:14px}.ca-topic-switch{display:flex;flex-shrink:0;padding:3px;border:1px solid var(--ca-line);border-radius:11px;background:#f7fbf6}.ca-topic-switch button{border:0;background:transparent;border-radius:8px;padding:8px 14px;min-height:42px;font-size:14px;color:var(--ca-green)}.ca-topic-switch [aria-pressed=true]{background:var(--ca-green);color:#fff}
.ca-topic-row{display:grid;grid-template-columns:minmax(130px,1.3fr) minmax(68px,.6fr) minmax(90px,2fr) 64px;gap:16px;align-items:center;width:100%;min-height:60px;padding:12px;border:1px solid transparent;border-bottom-color:#edf3ec;background:#fff;border-radius:8px;color:var(--ca-ink);text-align:left}.ca-topic-row[aria-pressed=true]{background:#eff8e7;border-color:#bddba7}.ca-topic-name{font-size:16px;font-weight:700;overflow-wrap:anywhere}.ca-topic-meta{font-size:14px;color:var(--ca-muted)}.ca-topic-track{display:block;height:10px;border-radius:8px;background:#e7efea;overflow:hidden}.ca-topic-track i{display:block;height:100%;background:var(--ca-green);border-radius:8px}.ca-topic-percent{text-align:right;font-size:16px;font-variant-numeric:tabular-nums}.ca-topic-more{display:block;margin:12px auto 0;min-height:44px;padding:8px 18px;color:var(--ca-green);background:#f6fbf4;border:1px solid var(--ca-line);border-radius:9px}
.ca-topic-detail{margin-top:20px;background:#f3faed;border:1px solid var(--ca-line);border-radius:14px;padding:18px}.ca-topic-detail-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.ca-topic h3{margin:0;font-size:18px;color:var(--ca-ink);overflow-wrap:anywhere}.ca-topic-detail-title>span{background:#dcefcf;color:var(--ca-green);padding:4px 9px;border-radius:99px;font-size:12px}.ca-topic-tags{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0 16px}.ca-topic-tags span{font-size:14px;padding:4px 9px;border:1px solid var(--ca-line);border-radius:12px;background:#ffffffb0;color:var(--ca-muted);overflow-wrap:anywhere;max-width:100%}.ca-topic-detail-bottom{display:flex;gap:16px;align-items:flex-end;justify-content:space-between}.ca-topic-questions{display:flex;flex-wrap:wrap;gap:7px;align-items:center;min-width:0}.ca-topic-questions>span{font-size:14px;color:var(--ca-muted);margin-right:3px}.ca-topic-questions button{min-width:44px;min-height:44px;padding:8px;border:1px solid #a9c998;border-radius:8px;color:var(--ca-ink);background:white;font-size:14px}.ca-topic-practice,.ca-topic-all{min-height:46px;background:var(--ca-green);color:white;border:0;border-radius:10px;padding:11px 19px;font-size:15px!important;font-weight:700!important;flex-shrink:0}.ca-topic-note{margin:17px 0 0;color:var(--ca-muted);font-size:13px}.ca-topic-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px}.ca-topic-mode{font-size:14px;color:var(--ca-muted)}
.ca-topic-host{max-width:980px;margin:24px auto;padding:0 16px}.ca-topic-question-hidden{display:none!important}
@media(max-width:680px){.ca-topic{margin:16px 0}.ca-topic-card{padding:16px 12px;border-radius:18px}.ca-topic-head{gap:8px;align-items:flex-start}.ca-topic h2{font-size:19px}.ca-topic-head p{font-size:13px}.ca-topic-switch button{padding:8px 9px;font-size:13px}.ca-topic-summary{padding:12px 8px;gap:4px}.ca-topic-summary strong{font-size:21px}.ca-topic-row{grid-template-columns:minmax(0,1.2fr) minmax(55px,1fr) 49px;gap:3px 10px;padding:11px 8px}.ca-topic-name{grid-column:1;grid-row:1;font-size:14px}.ca-topic-meta{grid-column:1;grid-row:2;font-size:12px}.ca-topic-track{grid-column:2;grid-row:1/3;height:8px}.ca-topic-percent{grid-column:3;grid-row:1/3;font-size:14px}.ca-topic-detail{padding:13px 10px}.ca-topic-detail-bottom{display:block}.ca-topic-practice{width:100%;margin-top:14px}.ca-topic-tags span{font-size:13px}.ca-topic-actions{align-items:stretch;flex-direction:column}.ca-topic-all{width:100%}.ca-topic-host{padding:0 12px}.ca-topic-note{font-size:12px}}
@media(prefers-reduced-motion:reduce){.ca-topic *{scroll-behavior:auto!important;transition:none!important}}