:root{font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:#26364d;background:#f3f6fa;font-size:15px}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}header{background:#fff;border-bottom:1px solid #e1e7ef;padding:20px 28px;display:flex;gap:20px;align-items:center}header strong{font-size:19px}#identity{margin-left:auto;color:#60718a}main{max-width:1440px;margin:auto;padding:20px}button{font:inherit;border:1px solid #d9e2ec;background:white;color:#334965;border-radius:7px;padding:9px 14px;cursor:pointer}button:hover{border-color:#409eff}button:disabled{opacity:.55;cursor:default}.primary{background:#287ee6;color:white;border-color:#287ee6}input,textarea{width:100%;font:inherit;border:1px solid #cfd9e5;border-radius:7px;padding:11px;color:#26364d}textarea{resize:vertical}label{display:block;margin-bottom:14px}label input{margin-top:7px}h1{font-size:25px}h2{font-size:17px;margin:0 0 14px}p{line-height:1.6}small{display:block;color:#73819a;line-height:1.7}.login-card{max-width:460px;margin:45px auto;background:white;padding:30px;border-radius:12px;box-shadow:0 5px 25px #2536540a}.notice{background:#eaf3ff;border:1px solid #d0e2fc;padding:12px 16px;border-radius:8px}#feedback{min-height:24px;color:#a14717;margin:0 0 8px}.chat-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:16px}aside,.thread{background:white;border:1px solid #e0e7ef;border-radius:10px;padding:18px}#chat-list{max-height:560px;overflow:auto}#chat-list button{display:block;text-align:left;width:100%;margin:7px 0;padding:14px;white-space:normal}#chat-list button.selected{background:#eaf3ff;border-color:#82b6f4}#chat-list .unread{float:right;background:#e44e57;color:white;border-radius:14px;padding:1px 8px}nav{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:14px}.thread-head{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #e5eaf0;margin-bottom:12px}.thread-head button{padding:5px 8px;margin-bottom:8px}#messages{height:470px;overflow:auto;padding:8px;display:flex;flex-direction:column;gap:12px}.message{align-self:flex-start;max-width:86%;padding:12px 15px;border-radius:9px;background:#f0f3f7;border:1px solid #e3e9f0;overflow-wrap:anywhere}.message.mine{align-self:flex-end;background:#eaf3ff;border-color:#d0e2fc}.message p{margin:6px 0;white-space:pre-wrap}.message img{display:block;max-width:100%;max-height:280px;margin:10px 0}.message .stamp{font-size:12px;color:#76869a}.send-row{display:flex;align-items:center;gap:10px;margin:10px 0}.send-row label{flex:1;margin:0;font-size:13px}.send-row input{padding:5px}#shop-search{padding-bottom:20px;border-bottom:1px solid #e5eaf0;margin-bottom:18px}#shop-options{max-height:220px;overflow:auto}#shop-options button{width:100%;text-align:left;margin-top:6px}#message-form{border-top:1px solid #e5eaf0;padding-top:14px}#message-form>label{margin-bottom:6px}@media(max-width:760px){header{padding:14px;flex-wrap:wrap;gap:10px}main{padding:10px}.chat-layout{grid-template-columns:1fr}#chat-list{max-height:220px}#messages{height:420px}.thread-head{flex-direction:column;gap:0}.send-row{flex-wrap:wrap}.message{max-width:95%}}

.shop-option{padding:10px 0;border-bottom:1px solid #dce3eb}.shop-option p{overflow-wrap:anywhere;margin:0 0 6px}.shop-option button{margin:0 6px 4px 0}#followed-only{width:auto}#follow-note{font-size:12px;color:#526174}