*{box-sizing:border-box;margin:0;padding:0}:root{--brand:#1565c0;--brand-dark:#0d47a1;--green:#1b7a4b;--green-bg:#e6f4ec;--ink:#1c2733;--muted:#5c6b7a;--line:#e3e8ee;--bg:#f5f7f9;--card:#fff;--warn-bg:#fff6e5}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}.wrap{max-width:480px;margin:0 auto;padding:16px 16px 48px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}.btn{display:block;width:100%;background:var(--brand);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:600;padding:13px 0;cursor:pointer}.btn:disabled{background:#9fb6cc}.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}input[type=tel],input[type=text]{width:100%;font-size:16px;padding:12px;border:1px solid var(--line);border-radius:10px;outline:none}input[type=tel]:focus,input[type=text]:focus{border-color:var(--brand)}input[type=range]{width:100%;accent-color:var(--brand)}.muted{color:var(--muted);font-size:13px}.row{display:flex;align-items:center;gap:10px}table.bill{width:100%;font-size:14px;border-collapse:collapse}table.bill td{padding:4px 0}table.bill td:last-child{text-align:right}.credit{color:var(--green)}.tap{min-height:44px}