:root{--bg: #f4f6fb;--card: #ffffff;--ink: #1a2336;--muted: #6b7280;--line: rgba(26, 35, 54, .08);--brand: #2f6bff;--brand-2: #4b7fff;--gold: #c9a45c;--danger: #d14343;--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg)}a{color:inherit;text-decoration:none}button,input{font:inherit}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;padding-bottom:calc(72px + var(--safe-bottom));background:var(--bg)}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.topbar h1{margin:0;font-size:18px;font-weight:800}.badge{font-size:12px;color:var(--brand);background:#2f6bff1a;padding:4px 8px;border-radius:999px}.page{padding:12px 16px 24px}.card{background:var(--card);border-radius:16px;border:1px solid var(--line);padding:14px;margin-bottom:12px}.search-row{display:flex;gap:8px;margin-bottom:12px}.search-row input{flex:1;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff}.form .label{display:block;margin:14px 0 8px;color:#5d6a82;font-size:13px;font-weight:500}.form .label:first-child{margin-top:0}.form .input,.form .textarea{display:block;width:100%;box-sizing:border-box;border:1.5px solid #2f6bff;border-radius:12px;padding:12px 14px;background:#fff;color:var(--ink);font-size:15px}.form .textarea{resize:vertical;min-height:88px;line-height:1.45;word-break:break-all}.check-row{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:14px;color:var(--ink)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;color:var(--muted);cursor:pointer}.chip.active{color:#fff;background:linear-gradient(135deg,var(--brand-2),var(--brand));border-color:transparent}.list-item{display:grid;grid-template-columns:96px 1fr;gap:12px;padding:12px;background:#fff;border-radius:16px;border:1px solid var(--line);margin-bottom:10px}.list-item img{width:96px;height:96px;object-fit:cover;border-radius:12px;background:#eef1f6}.list-item .title{font-weight:700;font-size:15px;line-height:1.35;margin-bottom:6px}.list-item .meta{font-size:12px;color:var(--muted);margin-bottom:8px}.price{color:var(--gold);font-weight:800;font-size:18px}.price:before{content:"¥";font-size:13px;margin-right:2px}.tag{display:inline-block;font-size:11px;padding:2px 6px;border-radius:6px;background:#c9a45c1f;color:#8a6a2f;margin-right:4px}.sold{opacity:.55}.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:12px;padding:12px 16px;font-weight:700;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff}.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}.btn-block{width:100%}.btn:disabled{opacity:.55;cursor:not-allowed}.empty,.error,.loading{text-align:center;padding:40px 16px;color:var(--muted)}.error{color:var(--danger)}.tabbar{position:fixed;left:50%;bottom:0;transform:translate(-50%);width:min(480px,100%);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);padding-bottom:var(--safe-bottom);z-index:30}.tabbar a{text-align:center;padding:10px 4px 8px;font-size:12px;color:#8a94a8}.tabbar a.active{color:var(--brand);font-weight:700}.form label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.form input{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:12px;background:#fff}.form .hint{color:var(--danger);font-size:13px;margin-bottom:12px;min-height:1.2em}.note-img{width:100%;display:block;border-radius:12px;margin-bottom:12px;background:#eef1f6;border:1px solid rgba(201,164,92,.3)}.section{font-weight:800;margin:8px 0 10px;color:var(--gold)}.kv{display:flex;gap:10px;padding:6px 0;font-size:14px}.kv .k{color:var(--muted);min-width:4em}.copy{white-space:pre-wrap;line-height:1.7;font-size:14px;color:#5c4630;background:#fff;border-radius:12px;padding:12px;border:1px solid rgba(47,107,255,.2)}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.captcha-row{display:flex;gap:8px;align-items:center}.captcha-row input{margin-bottom:0}.captcha-q{white-space:nowrap;font-weight:700;color:var(--brand);padding:0 8px}