/* Square discovery and reading: shared rhythm, content-specific previews. */
.channel-page[data-channel="广场"] .square-experience .channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.square-experience .channel-intro{column-gap:40px;padding-bottom:28px}
.square-experience .channel-intro h1{font-size:clamp(28px,3.1vw,42px);line-height:1.35;letter-spacing:-.04em}
.square-experience .channel-intro h1 span{display:inline}
.square-experience .channel-description{font-size:15px}
.square-experience .channel-tabs{overflow-x:auto;white-space:nowrap;padding-top:10px}
.square-experience .channel-section-head{padding:0 0 15px;margin:0}
.sq-card{display:flex;flex-direction:column;min-width:0;border:1px solid #e4e4e4;border-radius:13px;padding:18px;background:#fff;transition:border-color .16s ease}
.sq-card:hover{border-color:#989898}
.sq-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:11px;color:#686868;margin:0 0 12px}
.sq-kicker>span{background:#f3f3f3;border-radius:4px;padding:3px 6px}
.sq-card-body{flex:1;min-width:0}
.sq-card h3{font-size:18px;line-height:1.5;margin:13px 0 10px;-webkit-line-clamp:3;font-weight:650}
.sq-card h3 a{display:block}
.sq-media{display:block;width:100%;aspect-ratio:16/10;background:#f4f4f4;overflow:hidden;border-radius:8px;position:relative;text-decoration:none}
.sq-media img{width:100%;height:100%;object-fit:contain;display:block}
.sq-topic-media .square-cover-svg{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.sq-topic-media .square-photo{object-fit:contain}
.sq-topic-media.sq-portrait{aspect-ratio:3/4}
.sq-excerpt{font-size:14px;line-height:1.85;color:#686868;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.sq-conclusion{color:#282828;background:#f5f5f5;padding:13px 14px;border-radius:7px;font-weight:550;-webkit-line-clamp:4}
.sq-exchange .sq-excerpt{-webkit-line-clamp:8}
.sq-context,.sq-card .square-source{font-size:12px;color:#717171;line-height:1.7;margin:12px 0 0;overflow-wrap:anywhere}
.sq-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #efefef;padding-top:14px;margin-top:20px;font-size:11px;color:#686868}
.sq-card-footer>a:last-child{text-align:right;flex-shrink:0}
.sq-author{display:flex;align-items:center;gap:6px;min-width:0;overflow-wrap:anywhere}
.channel-page[data-channel="广场"] .square-experience[data-square-view="test"] .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.square-experience[data-square-view="test"] .sq-card h3{font-size:21px}
.square-experience[data-square-view="test"] .sq-media{max-height:210px;aspect-ratio:2/1}
.sq-image-error{display:grid;height:100%;place-items:center;font-size:13px;color:#686868;padding:20px}
.channel-surface .v2-article.sq-detail,.v2-article.sq-detail{max-width:880px;margin:0 auto;padding-top:12px}
.sq-detail h1{font-size:clamp(27px,3.1vw,42px);line-height:1.4;letter-spacing:-.025em;margin:14px 0 16px;overflow-wrap:anywhere}
.sq-detail h2{font-size:23px;letter-spacing:-.02em;margin:0 0 18px}
.sq-detail h3{font-size:18px;line-height:1.6;margin:10px 0}
.sq-byline{font-size:13px;color:#6f6f6f;margin:0 0 30px}
.sq-detail .v2-prose{font-size:16px;line-height:1.95;overflow-wrap:anywhere}
.sq-gallery{display:grid;gap:20px;margin:24px 0}
.sq-gallery figure{margin:0;min-width:0}
.sq-gallery figure>a{display:block;border:1px solid #e8e8e8;border-radius:10px;overflow:hidden;background:#f2f2f2}
.sq-gallery img{display:block;width:100%;height:auto;max-height:560px;object-fit:contain;margin:0}
.sq-gallery figcaption{font-size:12px;color:#797979;margin:9px 0 0;line-height:1.6}
.sq-primary-actions{display:flex;gap:12px;margin:24px 0 32px;flex-wrap:wrap}
.sq-detail .button.primary{background:#242424;color:#fff;border-color:#242424}
.sq-section-nav{display:flex;gap:32px;border-bottom:1px solid #e4e4e4;margin:24px 0;font-size:15px}
.sq-section-nav a{padding:12px 0}
.sq-section{padding:26px 0;scroll-margin-top:110px;border-bottom:1px solid #eaeaea}
.sq-section>header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}
.sq-section>header h2{margin:0}.sq-section h2 small{font-size:14px;color:#7b7b7b;font-weight:400}
.sq-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;text-align:center;margin:22px 0}
.sq-stats>*{display:flex;flex-direction:column;gap:8px;border-right:1px solid #e6e6e6}.sq-stats>*:last-child{border:0}
.sq-stats strong{font-size:29px;font-weight:650}.sq-stats span{font-size:12px;color:#737373}
.sq-intent{background:#f2f2f2;border-radius:8px;padding:14px 16px;font-size:14px;margin:24px 0 0}
.sq-related-test,.sq-service{border:1px solid #e6e6e6;border-radius:10px;padding:20px;margin:14px 0}
.sq-related-test p,.sq-service p,.sq-empty{font-size:14px;line-height:1.85;color:#696969;margin:12px 0}
.sq-related-test small{color:#7a7a7a}
.sq-work-context{display:flex;flex-direction:column;gap:8px;padding:18px 20px;border:1px solid #e1e1e1;border-radius:10px;margin:20px 0;color:#2a2a2a}
.sq-work-context small,.sq-work-context span{font-size:12px;color:#717171}
.sq-conclusion-block{padding:26px;background:#f5f5f5;border-radius:12px;margin:28px 0}
.sq-conclusion-block h2{font-size:19px}.sq-conclusion-block p{font-size:19px;line-height:1.8;margin:0;overflow-wrap:anywhere}
.sq-test-facts{display:flex;gap:24px;flex-wrap:wrap;margin:20px 0;font-size:13px}.sq-test-facts>div{min-width:100px}.sq-test-facts dt{color:#797979;margin-bottom:6px}.sq-test-facts dd{margin:0;overflow-wrap:anywhere}
.sq-detail #discussion{padding-top:32px;scroll-margin-top:110px}.sq-detail>.square-detail-actions{display:flex;flex-wrap:wrap;gap:10px}
.sq-detail>.square-detail-actions .button{font-size:13px}
.sq-author-response{font-size:11px;padding:3px 7px;background:#efefef;border-radius:4px;color:#494949}
.sq-image-viewer{max-width:94vw;width:1100px;max-height:94vh;padding:52px 20px 20px;border:0;border-radius:12px;background:#fff}
.sq-image-viewer::backdrop{background:#181818c9}.sq-image-close{position:absolute;right:15px;top:10px}.sq-image-viewer img{display:block;max-width:100%;height:auto;margin:0 auto 15px}.sq-image-viewer>a{display:block;font-size:13px;text-align:center}
.v2-editor[data-kind="post"]>.actions{position:sticky;bottom:0;z-index:20;background:#fff;border-top:1px solid #e6e6e6;padding:14px 0;display:flex}
.v2-editor[data-kind="post"] .square-cover-preview small{line-height:1.7}
.v2-editor[data-kind="post"] .square-preview-art{aspect-ratio:16/10}
.v2-editor[data-kind="post"] .square-preview-art img{object-fit:contain}
.sq-preview-excerpt{padding:22px;text-align:left;line-height:1.75;font-size:14px;color:#686868;overflow:hidden}
.v2-editor[data-kind="post"] [data-test-fields] .topic-reference{margin-top:24px}
@media(max-width:1050px){.channel-page[data-channel="广场"] .square-experience .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.square-experience .channel-intro{grid-template-columns:1fr}.square-experience .channel-search-area{max-width:none}}
@media(max-width:650px){
 .channel-page[data-channel="广场"] .square-experience .channel-grid,.channel-page[data-channel="广场"] .square-experience[data-square-view="test"] .channel-grid{grid-template-columns:minmax(0,1fr);gap:18px}
 .channel-page[data-channel="广场"] .square-experience[data-square-view="work"] .channel-grid,.channel-page[data-channel="广场"] .square-experience[data-square-view="topic"] .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .square-experience[data-square-view="work"] .sq-card,.square-experience[data-square-view="topic"] .sq-card{padding:10px}
 .square-experience[data-square-view="work"] .sq-card h3,.square-experience[data-square-view="topic"] .sq-card h3{font-size:14px}
 .square-experience[data-square-view="work"] .sq-excerpt,.square-experience[data-square-view="topic"] .sq-excerpt{font-size:12px;-webkit-line-clamp:2}
 .square-experience[data-square-view="work"] .sq-card-footer,.square-experience[data-square-view="topic"] .sq-card-footer{align-items:flex-start;flex-direction:column;gap:8px}
 .sq-card{padding:16px}.sq-card h3{font-size:19px}.sq-excerpt{font-size:14px}.square-experience .channel-intro h1{font-size:28px}
 .sq-section{padding:24px 0}.sq-detail h2{font-size:21px}.sq-detail .v2-prose{font-size:15px}
 .sq-conclusion-block{padding:20px}.sq-conclusion-block p{font-size:17px}.sq-primary-actions>*{flex:1;text-align:center;justify-content:center}
 .sq-stats span{font-size:11px}.sq-related-test,.sq-service{padding:16px}.sq-test-facts{gap:16px}
 .sq-detail>.square-detail-actions{display:grid;grid-template-columns:1fr 1fr}.sq-detail>.square-detail-actions .button{width:100%}
 .v2-editor[data-kind="post"]>.actions{bottom:calc(58px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:8px}
 .v2-editor[data-kind="post"]>.actions>.button{min-width:0;padding:10px 6px;font-size:13px}
}