:root{--brand: #5BABE8;--brand-dark: #4A9BD8;--accent: #FF6B00;--text: #222222;--muted: #666666;--bg: #f8f8f8;--card: #ffffff;--border: #eeeeee;--radius: 14px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:-apple-system,PingFang SC,Helvetica Neue,Microsoft YaHei,sans-serif;background:#e9edf2;color:var(--text);-webkit-tap-highlight-color:transparent}#app{max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);box-shadow:0 0 24px #0000001a;position:relative}.app-shell{min-height:100vh}.page{padding-bottom:76px}.card{background:var(--card);border-radius:var(--radius);margin:10px;padding:14px;box-shadow:0 2px 10px #0000000a}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:22px;font-size:14px;padding:11px 22px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .15s}.btn-primary:active{opacity:.85}.btn-primary.sm{padding:7px 16px;font-size:13px;border-radius:16px}.btn-outline{background:#fff;color:var(--text);border:1px solid #ddd;border-radius:22px;font-size:14px;padding:11px 22px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn-block{width:100%}.price{color:var(--accent);font-weight:600}.muted{color:var(--muted);font-size:12px}.empty{text-align:center;color:var(--muted);padding:48px 16px;font-size:14px}.tabbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--border);display:flex;z-index:100}.tabbar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:7px 0 9px;color:#999;font-size:11px;cursor:pointer;gap:3px}.tabbar-item.on{color:var(--brand)}.tabbar-item svg{width:22px;height:22px}.topbar{position:sticky;top:0;z-index:90;display:flex;align-items:center;height:48px;padding:0 10px;background:#fff;border-bottom:1px solid var(--border)}.topbar .back{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--text);cursor:pointer;border-radius:50%}.topbar .back:active{background:#f0f0f0}.topbar .title{flex:1;text-align:center;font-size:16px;font-weight:600;margin-right:32px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.footer{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--border);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;z-index:100;font-size:14px}#h5-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);background:#000000c7;color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;max-width:70%;text-align:center;z-index:999;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;word-break:break-all}#h5-toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}#h5-toast.success{background:#34a853eb}input,textarea{font-family:inherit;font-size:14px;border:1px solid #e5e5e5;border-radius:8px;padding:9px 10px;outline:none;width:100%;background:#fff}input:focus,textarea:focus{border-color:var(--brand)}