:root{--green:#176e50;--ink:#1c2927;--muted:#738079;--line:#e5eae5;--bg:#f7f9f6;--lime:#e3ef83}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;background:var(--bg)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button,a{cursor:pointer}button{border:0;background:none;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #d3bc43;outline-offset:4px}a{text-decoration:none;color:inherit}[hidden]{display:none!important}header{height:92px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 4%;gap:65px}.brand{display:flex;align-items:center;gap:10px;font-size:28px;font-weight:800;letter-spacing:2px;min-width:170px}.brand-icon{font-size:46px;background:var(--green);color:var(--lime);width:48px;height:48px;border-radius:15px;line-height:42px;text-align:center;transform:rotate(-15deg)}.brand small{display:block;font-size:10px;letter-spacing:2px;font-weight:600;margin-top:0}.brand>span:last-child{line-height:1.35}nav{height:100%;display:flex;gap:38px}.nav{font-size:15px;position:relative}.nav.active{color:var(--green);font-weight:700}.nav.active:after{content:'';height:3px;background:var(--green);position:absolute;bottom:0;left:10%;right:10%;border-radius:3px}.header-actions{margin-left:auto;display:flex;align-items:center;gap:27px}.campus{font-size:14px;color:#637369}.avatar{border-radius:50%;background:#edf1dd;font-size:15px;font-weight:600;width:39px;height:39px}.shell{display:grid;grid-template-columns:214px minmax(0,1fr);max-width:1580px;margin:auto}aside{padding:38px 22px 20px 30px;border-right:1px solid var(--line)}.side-title{color:#7b847e;font-size:12px;letter-spacing:1px;margin:0 12px 19px}.category,.side-link{display:flex;gap:13px;align-items:center;text-align:left;width:100%;padding:13px 15px;border-radius:8px;margin:4px 0;font-size:14px}.category span,.side-link span{font-size:19px;width:21px;text-align:center}.category.active{background:#e5eee4;color:var(--green);font-weight:700}.category:hover,.side-link:hover{background:#ecf0e9}.category i{font-style:normal;margin-left:auto;font-size:11px;font-weight:400;color:#718071}.side-divider{border-top:1px solid var(--line);margin:22px 10px}.side-note{border-radius:10px;border:1px solid #e1e6d7;background:#eff2e7;padding:22px 20px;margin:37px 2px 0}.side-note>span{display:block;font-size:40px;line-height:1;color:var(--green);margin-bottom:16px}.side-note strong{font-size:16px}.side-note p{font-size:13px;line-height:1.9;color:#74816e}.side-note div{font-size:11px;color:#80906e;border-top:1px solid #dce2d2;padding-top:15px}.sidebar-foot{font-size:11px;line-height:2;color:#919a91;margin:35px 12px}main{padding:30px 38px;min-width:0}.hero{background:#eaf0db;border-radius:14px;overflow:hidden;display:grid;grid-template-columns:1.15fr 1fr;min-height:310px;position:relative}.hero>div:first-child{padding:30px 34px;z-index:1}.eyebrow{font-size:12px;letter-spacing:2px;color:#537052;margin-bottom:14px}h1{font-size:34px;line-height:1.6;letter-spacing:-1px;margin:0;font-weight:700}h1 span{color:var(--green)}.hero p{font-size:14px;color:#778370;margin:11px 0 24px}.primary{background:var(--green);color:white;border-radius:7px;padding:12px 21px;font-size:14px;font-weight:600}.primary:hover{background:#0c523a}.hero-art{position:relative;min-height:310px;background:#d5ddbf;overflow:hidden}.hero-art img{width:100%;height:100%;object-fit:cover;position:absolute}.photo-caption{position:absolute;bottom:16px;left:20px;background:rgba(255,255,255,.88);padding:9px 12px;font-size:12px;border-radius:4px}.photo-caption span{font-size:9px;letter-spacing:1px;margin-left:6px}.hero-stamp{position:absolute;right:20px;top:20px;border:1px solid #556445;color:#384d38;background:#e3ef83eb;border-radius:50%;width:89px;height:89px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;transform:rotate(12deg)}.hero-stamp b{font-size:18px}.hero-stamp span{font-size:16px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:32px 0 22px}h2{font-size:22px;margin:0;font-weight:700}h2 span{font-size:10px;color:#98a197;letter-spacing:1px;margin-left:13px;font-weight:500}.section-heading p{font-size:13px;color:var(--muted);margin:8px 0 0}.demo-label{font-size:11px;color:#7e8a7b;white-space:nowrap}.search-row{display:flex;gap:12px}.search{display:flex;align-items:center;gap:12px;background:white;border:1px solid var(--line);border-radius:8px;padding:0 16px;flex:1;min-width:0;height:49px}.search>span{font-size:27px;color:#65736a}.search input{border:0;outline:0;min-width:0;width:100%;font-size:14px;background:none}.search kbd{font:11px inherit;color:#9ba499;background:#f3f5f1;white-space:nowrap;padding:3px 6px;border-radius:3px}select{border:1px solid var(--line);border-radius:8px;padding:0 13px;color:#657267;background:white;font-size:13px}.filter-row{display:flex;justify-content:space-between;margin:22px 0 0;gap:12px}.mode-tabs{display:flex;gap:7px}.mode-tabs button{padding:9px 17px;border-radius:6px;color:#68776b;font-size:14px}.mode-tabs button.selected{background:var(--green);color:white}.filter-row select{background:transparent;border:0}.result-line{font-size:11px;color:#8b958c;margin:17px 0 14px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 19px}.card{min-width:0;background:white;border:1px solid #e7ece4;border-radius:11px;overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #223d2510}.card-image{aspect-ratio:1.43;position:relative;overflow:hidden;background:#e9eae3}.item-open{display:block;text-align:left;padding:0;width:100%;height:100%}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s}.card:hover img{transform:scale(1.035)}.badge{position:absolute;left:12px;top:12px;background:#fffffff2;border-radius:4px;padding:4px 9px;font-size:11px;color:#315640;pointer-events:none}.badge.rent{color:#426680}.badge.swap{color:#896b2a}.heart{position:absolute;right:11px;top:10px;background:#fffffff0;border-radius:50%;width:30px;height:30px;font-size:20px;display:grid;place-items:center;color:#718071}.heart.saved{color:#d86c56}.card-info{padding:15px 15px 13px}.card h3{font-size:15px;line-height:1.6;font-weight:600;margin:0 0 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4px;display:flex;gap:17px;align-items:center;flex-wrap:wrap;color:#8c988a;font-size:11px}.footer-brand{font-size:18px;font-weight:700;color:#637d61}footer small{margin-left:auto;font-size:10px}dialog{padding:35px;width:min(620px,calc(100vw - 30px));border:0;border-radius:17px;color:var(--ink);max-height:90vh;box-shadow:0 20px 100px #122a3433}dialog::backdrop{background:#142c2470}.close{position:absolute;top:10px;right:14px;font-size:27px;color:#6b786b;z-index:2}.modal-title{font-size:25px;margin:0 0 8px}.hint{font-size:13px;color:#7b877d;line-height:1.8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:25px 0}.field{display:flex;flex-direction:column;gap:8px;font-size:14px}.field.wide{grid-column:1/-1}.field input,.field select,.field textarea{border:1px solid #dce3d8;border-radius:6px;padding:11px;width:100%;background:#fff;color:var(--ink);font-size:14px}.field textarea{min-height:90px;resize:vertical}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:23px}.secondary{padding:11px 18px;border:1px solid #d6dfd3;border-radius:7px;font-size:14px}.detail-image{width:100%;height:230px;object-fit:cover;border-radius:9px;margin:10px 0 20px}.detail-price{font-size:30px;color:var(--green);font-weight:700;margin:20px 0}.detail-meta{display:flex;gap:9px;flex-wrap:wrap;margin:16px 0}.detail-meta span{background:#f0f4eb;padding:5px 10px;border-radius:5px;font-size:12px}.description{font-size:15px;line-height:1.9;white-space:pre-wrap}.notice{background:#f1f5e8;border-radius:8px;padding:14px 16px;font-size:13px;line-height:1.8;color:#637656}.empty{grid-column:1/-1;text-align:center;padding:70px 20px;color:#7c8b7b;border:1px dashed #dce3d8;border-radius:10px}.empty strong{display:block;font-size:20px;margin:12px}.empty button{margin-top:20px}.page-heading{margin:10px 0 30px}.page-heading p{line-height:1.8;color:var(--muted);font-size:14px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stat{background:#fff;border:1px solid var(--line);padding:26px;border-radius:10px}.stat b{display:block;font-size:37px;color:var(--green)}.stat span{font-size:14px}.stat small{display:block;font-size:11px;color:#8a9388;margin-top:9px}.research-card{border:1px solid var(--line);background:white;padding:27px;border-radius:10px;margin-top:22px}.research-card h3{margin-top:0;font-size:18px}.research-card p{font-size:14px;line-height:1.9;color:#6f7e70}.bar-row{margin:21px 0}.bar-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:9px}.bar{height:9px;background:#f0f3ea;border-radius:10px}.bar i{height:100%;background:#71a080;display:block;border-radius:10px}.order{background:white;border:1px solid var(--line);border-radius:9px;padding:20px;margin:14px 0;display:flex;justify-content:space-between;gap:20px}.order h3{font-size:16px;margin:0 0 7px}.order p{font-size:12px;color:#7f8b7d}.order button{font-size:13px;color:var(--green)}#toast{position:fixed;bottom:35px;left:50%;transform:translateX(-50%) translateY(15px);opacity:0;pointer-events:none;background:#233f30;color:white;border-radius:8px;padding:13px 24px;font-size:14px;z-index:10;transition:.2s;max-width:90%;text-align:center}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.image-fallback{height:100%;display:flex;align-items:center;justify-content:center;font-size:16px;color:#72826b;background:#eaf0df}.mobile-publish{display:none}@media(min-width:1450px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1100px){header{gap:30px;padding:0 25px}nav{gap:24px}.shell{grid-template-columns:185px minmax(0,1fr)}aside{padding-left:14px;padding-right:14px}main{padding:25px}.hero>div:first-child{padding:25px}h1{font-size:28px}.hero{min-height:295px}.hero-art{min-height:295px}.grid{gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}h2 span{display:none}}@media(max-width:740px){header{height:74px;padding:0 18px;gap:20px;flex-wrap:wrap}.brand{font-size:23px;min-width:0}.brand-icon{width:38px;height:38px;font-size:37px;line-height:35px}.brand small{font-size:8px}.header-actions{gap:10px}.campus{display:none}nav{order:3;position:relative;height:45px;gap:25px;width:100%;justify-content:center;background:white}.nav{font-size:14px}.shell{display:block;margin-top:45px}aside{padding:16px 16px 0;border:0}.side-title,.side-divider,.side-link,.side-note,.sidebar-foot{display:none}#categories{display:flex;overflow:auto;gap:7px;padding-bottom:3px}.category{white-space:nowrap;font-size:12px;padding:9px 12px;background:#edf1e8;gap:6px}.category span{font-size:16px;width:auto}.category i{display:none}main{padding:16px}.hero{grid-template-columns:1fr .65fr;min-height:255px}.hero>div:first-child{padding:20px}.hero-art{min-height:255px}.eyebrow{font-size:10px;letter-spacing:0;margin-bottom:12px}h1{font-size:23px;line-height:1.65;letter-spacing:-.7px}.hero p{font-size:11px;line-height:1.8;margin:10px 0 18px}.primary{font-size:13px;padding:11px 14px}.hero-stamp{width:67px;height:67px;right:12px;top:15px;font-size:9px}.hero-stamp b{font-size:15px}.photo-caption{display:none}.section-heading{margin:25px 0 17px}h2{font-size:20px}.section-heading p{font-size:11px}.demo-label{font-size:9px}.search-row{gap:7px}.search{padding:0 10px;gap:7px;height:45px}.search input{font-size:12px}.search kbd{display:none}.search-row select{font-size:11px;width:112px;padding:0 7px}.filter-row{gap:0;margin-top:15px}.mode-tabs{gap:0}.mode-tabs button{font-size:12px;padding:8px 10px}.filter-row select{font-size:11px;width:92px;padding:0 4px}.grid{gap:13px 10px}.card-info{padding:11px}.card h3{font-size:13px}.card-sub{font-size:10px}.card-foot{font-size:9px;gap:3px}.price{font-size:20px}.condition{font-size:9px}.badge{font-size:10px;left:8px;top:8px;padding:3px 6px}.heart{right:7px;top:7px;width:26px;height:26px}.seller-icon{display:none}footer{gap:10px}footer small{margin-left:0;line-height:1.8}.stats{grid-template-columns:1fr;gap:12px}.stat{padding:20px}.form-grid{gap:12px}dialog{padding:28px 21px}.detail-image{height:185px}.order{flex-direction:column}.result-line{font-size:10px}.card-image{aspect-ratio:1.1}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Keep supporting copy readable across screen sizes. */
.side-title,.sidebar-foot,.side-note p,.card-sub,.card-foot,.badge,.demo-label,.result-line,.hint,footer,footer small{font-size:12px}.card h3,.mode-tabs button,.search input{font-size:14px}.condition{font-size:12px}.old-price{font-size:12px}.card-foot{flex-wrap:wrap;row-gap:7px}.card-sub{line-height:1.7;min-height:20px}.hero p{font-size:14px}.section-heading p{font-size:14px}.category{font-size:14px}.brand small{font-size:10px}.search-row select,.filter-row select{font-size:14px}.card-image:has(img[src="images/desk.jpg"]) img{object-position:center 38%}.price-row{flex-wrap:wrap;row-gap:6px}@media(max-width:740px){.hero{grid-template-columns:1fr .55fr}.hero p{font-size:12px}.condition{margin-left:0}.search-row select{font-size:12px}.filter-row select{font-size:12px}.mode-tabs button{font-size:12px}.section-heading{align-items:flex-start}.demo-label{max-width:65px;white-space:normal;font-size:11px}.section-heading p{font-size:12px}.card h3{font-size:14px}.card-foot{font-size:11px}.card-sub{font-size:12px}.category{font-size:13px}.hero-stamp{right:7px}.hero>div:first-child{padding:20px 13px 20px 20px}}
.wechat-heading{display:flex;justify-content:space-between;gap:12px;background:#09a64a;color:white;padding:13px 16px;margin:6px 0 22px;border-radius:7px;font-weight:600}.wechat-heading small{font-size:12px;letter-spacing:1px}.payment-total{text-align:center;font-size:38px;font-weight:700;margin:22px 0 8px;color:#1f4933}.payment-qr{display:block;object-fit:contain;width:min(280px,100%);height:280px;margin:18px auto;background:white;border:1px solid #e4e9e2;border-radius:10px;padding:12px}.qr-download{display:block;text-align:center;margin:15px auto;width:150px}.brand small{letter-spacing:1px}.campus{font-weight:600;color:var(--green)}.hero h1 span{white-space:nowrap}.hero p{max-width:30em;line-height:1.8}
.chat-layout{display:grid;grid-template-columns:260px minmax(0,1fr);height:600px;min-height:400px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:white}.thread-list{border-right:1px solid var(--line);overflow:auto;background:#f8faf5}.thread{display:block;width:100%;text-align:left;padding:20px;border-bottom:1px solid var(--line)}.thread.active{background:#e5eee4}.thread strong,.thread span{display:block}.thread span{font-size:12px;color:#738079;margin-top:6px}.thread p{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#637565}.chat-panel{display:flex;flex-direction:column;min-width:0;min-height:0}.chat-heading{border-bottom:1px solid var(--line);padding:20px}.chat-heading span{display:block;font-size:12px;margin-top:5px;color:#7a877c}.message-history{overflow:auto;flex:1;padding:22px;min-height:0}.message{max-width:85%;margin:14px 0;display:flex;flex-direction:column;align-items:flex-start}.message>div{padding:11px 15px;background:#eff3e9;border-radius:12px 12px 12px 0;white-space:pre-wrap;word-break:break-word;font-size:15px;line-height:1.7}.message small{font-size:11px;color:#8b9787;padding-top:5px}.message.mine{margin-left:auto;align-items:flex-end}.message.mine>div{background:#176e50;color:white;border-radius:12px 12px 0 12px}.chat-empty{margin:auto;padding:35px;text-align:center;line-height:1.8;color:#7d897a;font-size:14px}#message-form{border-top:1px solid var(--line);padding:15px}#message-text{width:100%;height:70px;border:0;resize:none;font:inherit;font-size:14px;outline-offset:4px}.message-actions{display:flex;align-items:center;justify-content:space-between;gap:12px}.message-actions small{font-size:12px;color:#7c887c}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.avatar{min-width:44px;font-size:12px}#mine .order>div:last-child{display:flex;gap:10px;align-items:center;flex-wrap:wrap}@media(max-width:740px){nav{gap:18px}.nav{font-size:12px}.chat-layout{grid-template-columns:1fr;height:auto;min-height:600px}.thread-list{max-height:180px;border-right:0;border-bottom:1px solid var(--line)}.chat-panel{height:520px}.message-history{padding:14px}.hero h1{font-size:21px}}
.binding-consent{grid-column:1/-1;display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.8}.binding-consent input{margin-top:6px;width:18px;height:18px;flex-shrink:0}
.support-actions{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:25px 0 38px}.support-actions article{background:white;border:1px solid var(--line);border-radius:20px;padding:26px}.support-actions h3{margin:12px 0}.support-actions p{color:var(--muted);line-height:1.7;min-height:54px}.support-icon{display:inline-grid;place-items:center;width:44px;height:44px;background:#eef4db;color:var(--green);border-radius:14px;font-size:26px}.support-filters{display:flex;gap:10px;margin:16px 0}.support-filters button{padding:9px 17px;border-radius:20px;background:white}.support-filters .selected{background:var(--green);color:white}.support-row{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px;background:white;border:1px solid var(--line);border-radius:15px;margin-bottom:12px}.support-row>span:first-child{min-width:0}.support-row strong{display:block;margin:8px 0;overflow-wrap:anywhere}.support-row small,.support-preview{color:var(--muted);font-size:13px}.support-preview{display:block;overflow-wrap:anywhere}.support-status{flex-shrink:0;border-radius:20px;padding:7px 12px;font-size:12px;background:#fff1d2;color:#7f5d12}.support-status.resolved{background:#e5f4ec;color:var(--green)}.support-note{line-height:1.8;margin-top:25px}.support-body,.support-history p{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.support-body{padding:20px 0}.support-history article{padding:15px;background:var(--bg);border-radius:12px;margin:12px 0}.support-history small{color:var(--muted)}.support-history p{margin-bottom:0}.support-resolution{border-top:1px solid var(--line);padding-top:16px;margin-top:22px}.support-resolution .field{margin:12px 0}@media(max-width:650px){.support-actions{grid-template-columns:1fr;gap:14px}.support-actions article{padding:22px}.support-actions p{min-height:0}.support-row{padding:16px}.support-row .support-status{padding:6px 9px}}

#building{border:1px solid var(--line);border-radius:12px;background:white;padding:12px 14px;min-width:0;width:215px;color:var(--ink)}.payment-order-actions{display:flex;flex-wrap:wrap;gap:8px}.payment-order-actions button{color:var(--green);font-weight:600}@media(max-width:650px){#building{width:100%}}

.listing-state{position:absolute;z-index:2;left:12px;bottom:12px;background:#263d34;color:#fff;padding:9px 16px;border-radius:10px;font-size:16px;font-weight:700}.item-unavailable .card-image img{filter:grayscale(.65);opacity:.68}.item-status-text{font-weight:600;color:var(--green)}button:disabled{cursor:not-allowed;opacity:.55}

/* 商品多图：详情页图集 */
.gallery{display:flex;flex-direction:column;gap:10px}
.gallery .detail-image{border-radius:14px}
.gallery-thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:thin}
.gallery-thumbs .thumb{padding:0;border:2px solid transparent;border-radius:10px;background:none;cursor:pointer;flex:0 0 auto;width:74px;height:74px;overflow:hidden;opacity:.62;transition:opacity .15s,border-color .15s}
.gallery-thumbs .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.gallery-thumbs .thumb.active,.gallery-thumbs .thumb:hover{opacity:1;border-color:var(--green)}
@media(max-width:600px){.gallery-thumbs .thumb{width:62px;height:62px}}

/* 求购墙 + 站内通知 */
.bell{position:relative;font-size:13px;font-weight:600;color:var(--green);padding:9px 14px;border-radius:10px;background:#eef4db}
.bell i{position:absolute;top:-4px;right:-4px;min-width:17px;height:17px;border-radius:9px;background:#d94f3d;color:#fff;font-size:10px;font-style:normal;line-height:17px;text-align:center;padding:0 4px}
.want-tip{background:#eef4db;color:#2f4a3c;border-radius:10px;padding:12px 16px;font-size:13px;line-height:1.7;margin-bottom:18px}
.want-row{display:flex;gap:18px;justify-content:space-between;align-items:center;background:white;border:1px solid var(--line);border-radius:15px;padding:20px;margin-bottom:12px}
.want-main{min-width:0}
.want-main h3{margin:0 0 6px;font-size:16px;overflow-wrap:anywhere}
.want-main p{margin:0 0 6px;color:var(--muted);font-size:13px;line-height:1.7;overflow-wrap:anywhere}
.want-main small{color:#8b9787;font-size:12px}
.want-side{display:flex;flex-direction:column;gap:8px;align-items:flex-end;flex-shrink:0}
.want-hit{font-size:12px;background:#f2f4ef;color:#7a877c;border-radius:20px;padding:6px 12px;white-space:nowrap}
.want-hit.on{background:#e5f4ec;color:var(--green);font-weight:600}
.notify-list{max-height:420px;overflow:auto;margin-top:6px}
.notify-row{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.notify-row.fresh{background:#f6fbef;border-color:#cfe3c4}
.notify-row strong{display:block;margin-bottom:6px}
.notify-row p{margin:0 0 6px;color:var(--muted);font-size:13px;line-height:1.7}
.notify-row small{color:#97a29a;font-size:12px}
.notify-row button{margin-top:9px}
.want-matches{display:grid;gap:10px;max-height:420px;overflow:auto;margin-top:6px}
.want-match{display:flex;flex-direction:column;gap:4px;text-align:left;background:white;border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.want-match span{font-size:13px;color:var(--muted)}
@media(max-width:740px){nav{gap:12px}.nav{font-size:12px}.bell{padding:8px 10px;font-size:12px}}
@media(max-width:700px){.want-row{flex-direction:column;align-items:flex-start;gap:12px}.want-side{flex-direction:row;align-items:center;width:100%;justify-content:space-between;flex-wrap:wrap}}

/* 搜索筛选增强：价格区间 / 信用徽章 / 关键词高亮 */
.price-filter{display:flex;align-items:center;gap:6px;background:white;border:1px solid var(--line);border-radius:12px;padding:4px 10px}
.price-filter input{width:76px;border:0;background:none;padding:8px 2px;font-size:13px;color:var(--ink);outline:none}
.price-filter input::-webkit-outer-spin-button,.price-filter input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.price-filter span{color:#a9b3aa;font-size:13px}
.credit{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;color:#2f6b4f;background:#e9f3e6;border-radius:20px;padding:3px 9px;white-space:nowrap}
.credit.high{background:#dcf0e0;color:#1a6b45}
.detail-meta .credit{font-size:12px;padding:4px 10px}
mark{background:#f6f0b8;color:inherit;border-radius:3px;padding:0 2px}
.credit-card{background:linear-gradient(135deg,#f3f8ea,#e9f3e6);border:1px solid #dbe8d5;border-radius:14px;padding:16px 18px;margin-top:16px}
.credit-score{font-size:34px;font-weight:800;color:var(--green);line-height:1;display:flex;align-items:baseline;gap:6px}
.credit-score small{font-size:14px;font-weight:600}
.credit-score span{font-size:12px;font-weight:600;background:white;border-radius:20px;padding:3px 10px;margin-left:auto;color:#2f6b4f}
.credit-card p{margin:8px 0 6px;font-size:13px;color:#3b5a49}
.credit-card small{color:#7d897a;font-size:12px;line-height:1.7}

/* 管理后台 */
.admin-tabs{display:flex;gap:8px;margin:18px 0 22px;border-bottom:1px solid var(--line);padding-bottom:12px}
.admin-tabs button{padding:9px 18px;border-radius:20px;background:white;font-size:14px;color:var(--muted)}
.admin-tabs button.selected{background:var(--green);color:white;font-weight:600}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:26px}
.stat{background:white;border:1px solid var(--line);border-radius:14px;padding:18px 16px}
.stat strong{display:block;font-size:28px;font-weight:800;color:var(--green);line-height:1.1}
.stat span{font-size:12px;color:var(--muted)}
.stat.warn strong{color:#c0562f}
.admin-h3{margin:26px 0 14px;font-size:16px}
.admin-h3 small{color:var(--muted);font-weight:400}
.admin-row{display:flex;gap:16px;align-items:center;background:white;border:1px solid var(--line);border-radius:13px;padding:14px 16px;margin-bottom:10px}
.admin-row.muted{opacity:.66;background:#fbfbf9}
.admin-thumb{width:54px;height:54px;border-radius:10px;overflow:hidden;background:#eef2e9;flex-shrink:0;display:grid;place-items:center;font-size:11px;color:#9aa79d}
.admin-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.admin-main{min-width:0;flex:1}
.admin-main strong{display:block;font-size:14px;overflow-wrap:anywhere}
.admin-main p{margin:5px 0 0;font-size:12.5px;color:var(--muted);overflow-wrap:anywhere}
.admin-actions{display:flex;gap:8px;align-items:center;flex-shrink:0}
.admin-tag{font-size:11px;border-radius:20px;padding:5px 10px;background:#e5f4ec;color:var(--green);font-weight:600;white-space:nowrap}
.admin-tag.off{background:#f2f0eb;color:#8a8272}
.admin-actions .danger{color:#b4442e}
.admin-search{display:flex;gap:10px;margin:0 0 16px}
.admin-search input{flex:1;border:1px solid var(--line);border-radius:12px;padding:11px 14px;font-size:14px;background:white;color:var(--ink)}
.mono{font-family:ui-monospace,Consolas,Menlo,monospace;font-size:12.5px;color:#7f8b83}
@media(max-width:740px){.stat-grid{grid-template-columns:repeat(2,1fr)}.admin-row{flex-wrap:wrap}.admin-actions{width:100%;justify-content:flex-end}}

/* 课程专区 */
.course-tip{background:#eef4db;color:#2f4a3c;border-radius:10px;padding:12px 16px;font-size:13px;line-height:1.7;margin-bottom:18px}
.course-chip{font-weight:600;color:var(--green);background:#eef4db;border-radius:6px;padding:1px 6px}
.course-card{display:flex;gap:16px;align-items:center;text-align:left;width:100%;background:white;border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:12px;transition:border-color .15s,transform .15s}
.course-card:hover{border-color:var(--green);transform:translateY(-1px)}
.course-cover{width:76px;height:76px;border-radius:12px;overflow:hidden;background:#eef2e9;flex-shrink:0;display:grid;place-items:center;color:#9aa79d;font-size:12px}
.course-cover img{width:100%;height:100%;object-fit:cover;display:block}
.course-info{min-width:0}
.course-info strong{display:block;font-size:17px;margin-bottom:6px}
.course-info p{margin:0 0 6px;color:var(--muted);font-size:13px}
.course-info span{color:var(--green);font-size:12.5px;font-weight:600}

/* ================= 移动端打磨 ================= */
.bottom-nav{display:none}
.mine-quick{display:none}
@media(max-width:740px){
 body{padding-bottom:calc(66px + env(safe-area-inset-bottom))}
 header nav{display:none}
 header{height:64px;gap:14px;flex-wrap:nowrap}
 .bottom-nav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fdfdfc;border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
 .bottom-nav button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:#7c887c;padding:7px 2px;border-radius:10px;min-height:48px}
 .bottom-nav button span{font-size:17px;line-height:1}
 .bottom-nav button.active{color:var(--green);font-weight:700}
 #toast{bottom:calc(82px + env(safe-area-inset-bottom))}
 dialog{width:100%;max-width:100%;height:100%;max-height:100%;margin:0;border-radius:0;padding:22px 18px calc(22px + env(safe-area-inset-bottom));box-shadow:none}
 dialog::backdrop{background:#142c24a8}
 .mode-tabs{overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px;scrollbar-width:none}
 .mode-tabs button{white-space:nowrap;flex:0 0 auto}
 .search-row{gap:10px}
 .filter-row{gap:8px}
 .mine-quick{display:flex;gap:8px;margin:0 0 18px;flex-wrap:wrap}
 .quick-link{display:inline-flex;align-items:center;gap:6px;background:white;border:1px solid var(--line);border-radius:12px;padding:11px 16px;font-size:13px;color:var(--green);font-weight:600;min-height:44px}
 .page-heading .primary,.page-heading .secondary{min-height:44px}
 .hero h1{font-size:26px}
 .card-foot{font-size:11px}
 .want-row,.course-card,.admin-row{border-radius:13px}
 .form-actions button{min-height:46px}
}
@media(max-width:520px){
 .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 9px}
 .card h3{font-size:13.5px}
 .price{font-size:15px}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
}

/* 置顶与付费推广 */
.promo-badge{position:absolute;z-index:3;top:12px;left:12px;background:#c2452c;color:#fff;font-size:11px;font-weight:700;border-radius:8px;padding:4px 9px;letter-spacing:.5px}
.detail-meta .promo-badge{position:static;display:inline-block;margin-right:6px}
.promo-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 4px}
.promo-plan{position:relative;display:flex;flex-direction:column;gap:4px;align-items:center;border:2px solid var(--line);border-radius:14px;padding:16px 10px;cursor:pointer;background:white}
.promo-plan input{position:absolute;opacity:0;pointer-events:none}
.promo-plan strong{font-size:17px;color:var(--ink)}
.promo-plan span{font-size:13px;color:var(--green);font-weight:700}
.promo-plan:has(input:checked){border-color:var(--green);background:#f2f8ea}
.fee-note{margin-top:14px;background:#fff8e6;border:1px solid #f0e2bd;color:#7a5c1f;border-radius:10px;padding:11px 14px;font-size:13px;line-height:1.7}
@media(max-width:520px){.promo-plans{grid-template-columns:1fr}}
@media(max-width:740px){.price-filter{width:100%}.price-filter input{width:100%;flex:1}.filter-row{flex-wrap:wrap}}

/* 发布页图片预览 */
.photo-preview{margin-top:10px}
.photo-count{font-size:12.5px;color:var(--green);font-weight:600;margin-bottom:8px}
.photo-list{display:flex;gap:8px;flex-wrap:wrap}
.photo-item{margin:0;width:84px}
.photo-item img{width:84px;height:84px;object-fit:cover;border-radius:10px;border:1px solid var(--line);display:block}
.photo-item figcaption{font-size:11px;color:#8b9787;text-align:center;margin-top:4px}