:root{--primary: #2563eb;--primary-dark: #1d4ed8;--bg: #f5f7fa;--card: #ffffff;--border: #e5e7eb;--text: #1f2937;--muted: #6b7280;--orange: #f59e0b;--green: #16a34a;--red: #dc2626}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Microsoft YaHei,system-ui,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff}textarea{min-height:90px;resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary)}.topbar{background:#0f172a;color:#fff}.topbar .inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:22px;padding:0 20px;height:58px}.brand{font-size:19px;font-weight:700;color:#fff;white-space:nowrap}.brand span{color:#38bdf8}.topnav{display:flex;gap:4px;flex:1}.topnav a{padding:8px 14px;border-radius:8px;font-size:14px;color:#cbd5e1}.topnav a.active,.topnav a:hover{background:#ffffff1a;color:#fff}.topnav a.active{color:#38bdf8}.topright{display:flex;align-items:center;gap:12px}.rolechip{font-size:12px;padding:3px 10px;border-radius:999px;background:#38bdf826;color:#38bdf8;border:1px solid rgba(56,189,248,.3)}.container{max-width:1200px;margin:24px auto;padding:0 20px}.hero{background:linear-gradient(120deg,#1e3a8a,#2563eb);border-radius:16px;padding:44px 40px;color:#fff;margin-bottom:26px}.hero h1{font-size:30px;margin-bottom:10px}.hero p{color:#dbeafe;font-size:15px;max-width:640px;line-height:1.7}.hero-actions{margin-top:20px;display:flex;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:600;border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-white{background:#fff;color:var(--primary)}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-green{background:var(--green);color:#fff}.btn-ghost{background:#f3f4f6;color:#374151}.btn-sm{padding:6px 14px;font-size:13px;border-radius:8px}.btn-block{width:100%}.btn:disabled{opacity:.6;cursor:not-allowed}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media (max-width: 900px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}.prod{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;cursor:pointer;transition:.15s}.prod:hover{box-shadow:0 8px 24px #00000014;transform:translateY(-2px)}.prod-img{height:150px;background:linear-gradient(135deg,#dbeafe,#e0e7ff);display:flex;align-items:center;justify-content:center;font-size:42px}.prod-body{padding:14px}.prod-name{font-weight:600;font-size:15px;margin-bottom:4px}.prod-shop{font-size:12px;color:var(--muted)}.prod-price{color:var(--red);font-weight:700;font-size:17px;margin-top:6px}.prod-price small{font-size:12px;font-weight:400;color:var(--muted)}.page-title{font-size:22px;font-weight:700;margin-bottom:6px}.page-sub{color:var(--muted);font-size:14px;margin-bottom:20px}.section-title{font-size:18px;font-weight:700;margin:26px 0 14px}.form-row{margin-bottom:14px}.form-row label{display:block;font-size:13px;color:#374151;margin-bottom:6px;font-weight:500}.auth-box{max-width:430px;margin:40px auto}.auth-tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:22px}.auth-tabs button{flex:1;padding:10px;background:none;border:none;font-size:15px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px}.auth-tabs button.active{color:var(--primary);border-color:var(--primary)}.list-item{padding:16px;border:1px solid var(--border);border-radius:12px;background:#fff;margin-bottom:12px}.list-title{font-weight:600;font-size:15px}.list-meta{font-size:12px;color:var(--muted);margin-top:4px}.list-content{color:#374151;font-size:14px;margin-top:8px;white-space:pre-wrap}.tag{display:inline-block;font-size:12px;padding:2px 10px;border-radius:999px;background:#eef2ff;color:var(--primary)}.tag-orange{background:#fff7ed;color:var(--orange)}.tag-green{background:#f0fdf4;color:var(--green)}.tag-red{background:#fef2f2;color:var(--red)}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}.table th,.table td{padding:12px 14px;text-align:left;font-size:14px;border-bottom:1px solid var(--border)}.table th{background:#f8fafc;color:#475569;font-weight:600}.table tr:last-child td{border-bottom:none}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.modal-card{background:#fff;border-radius:16px;padding:26px;width:100%;max-width:520px;max-height:86vh;overflow:auto}.modal-title{font-size:18px;font-weight:700;margin-bottom:16px}.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.empty{text-align:center;color:var(--muted);padding:40px 0;font-size:14px}.toast-wrap{position:fixed;top:70px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}.toast{background:#111827;color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;box-shadow:0 6px 18px #0000002e}.toast.error{background:var(--red)}.flex{display:flex;gap:10px;align-items:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.mt8{margin-top:8px}.mt12{margin-top:12px}.mt20{margin-top:20px}.muted{color:var(--muted);font-size:13px}.mono{font-family:monospace}.dyn-bar{display:flex;align-items:center;gap:12px;padding:9px 14px;margin-bottom:16px;border-radius:10px;background:linear-gradient(90deg,#eff6ff,#fefce8);border:1px solid #dbeafe;overflow:hidden}.dyn-label{flex-shrink:0;font-size:13px;font-weight:600;color:#2563eb;white-space:nowrap}.dyn-viewport{flex:1;overflow:hidden;height:22px;display:flex;align-items:center}.dyn-text{display:block;font-size:13px;color:#374151;white-space:nowrap;animation:dynFade .6s ease}.dyn-pause{animation:none}@keyframes dynFade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.contact-box{margin-top:14px;padding:12px 14px;border:1px dashed #c7d2fe;border-radius:10px;background:#f5f7ff}.contact-title{font-size:13px;font-weight:600;color:#4f46e5;margin-bottom:8px}.contact-row{display:flex;flex-wrap:wrap;gap:8px}.contact-item{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#1f2937;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:6px 10px;text-decoration:none;transition:all .15s}.contact-item:hover{border-color:#2563eb;color:#2563eb}.contact-ico{font-size:15px}.tel-link{color:#2563eb;text-decoration:none}.tel-link:hover{text-decoration:underline}.unread-badge{display:inline-block;margin-left:4px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:#ef4444;color:#fff;font-size:11px;line-height:16px;text-align:center;vertical-align:top}.chat-wrap{display:flex;gap:14px;height:560px}.chat-list{width:260px;flex-shrink:0;background:#fff;border:1px solid var(--border);border-radius:12px;overflow-y:auto;padding:8px}.chat-item{padding:10px 12px;border-radius:10px;cursor:pointer;margin-bottom:6px}.chat-item:hover{background:#f3f4f6}.chat-item-active{background:#eff6ff}.chat-item-head{display:flex;justify-content:space-between;align-items:center}.chat-peer{font-weight:600;font-size:14px}.chat-unread{background:#ef4444;color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;line-height:18px;text-align:center;padding:0 5px}.chat-item-sub{font-size:12px;color:#6b7280;margin-top:3px}.chat-item-last{font-size:12px;color:#9ca3af;margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-main{flex:1;background:#fff;border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column;overflow:hidden}.chat-head{padding:12px 16px;border-bottom:1px solid var(--border);background:#f9fafb;font-size:14px}.chat-body{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px;background:#f8fafc}.chat-bubble{max-width:68%;display:flex;flex-direction:column}.chat-mine{align-self:flex-end;align-items:flex-end}.chat-peer{align-self:flex-start;align-items:flex-start}.chat-msg{padding:9px 13px;border-radius:12px;font-size:14px;line-height:1.5}.chat-mine .chat-msg{background:#2563eb;color:#fff;border-bottom-right-radius:4px}.chat-peer .chat-msg{background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}.chat-time{font-size:11px;color:#9ca3af;margin-top:4px}.chat-input{display:flex;gap:10px;padding:12px 16px;border-top:1px solid var(--border);background:#fff}.chat-input input{flex:1}.chat-empty{color:#9ca3af;font-size:13px;padding:20px;text-align:center}.chat-empty.center{display:flex;align-items:center;justify-content:center;height:100%}