*{box-sizing:border-box}body{margin:0;background:#f5f3ec;color:#193d33;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}main{max-width:570px;margin:7vh auto;padding:0 20px 40px}.brand{display:block;text-decoration:none;color:#163e33;font-size:22px;font-weight:700;margin-bottom:25px}.brand span{display:block;font-size:12px;letter-spacing:2px;font-weight:400;color:#738077}.card{padding:34px;background:#fffef9;border:1px solid #dce1d3;border-radius:20px;box-shadow:0 15px 55px #143a2e08}.eyebrow{font-size:12px;letter-spacing:2px;color:#6c7d57;margin:0}h1{font-size:29px;line-height:1.5;margin:14px 0}#intro{color:#6b776e;font-size:14px;margin:0 0 28px}label{display:block;font-size:14px;margin:18px 0 8px}input{font:inherit;font-size:16px;width:100%;min-width:0;outline:none;border:1px solid #c5cfc3;border-radius:9px;background:#fff;padding:12px}input:focus{border-color:#547b58;box-shadow:0 0 0 3px #89aa6e22}.phone-row,.code-row{display:flex;align-items:center;gap:10px}.phone-row>span{padding:12px 3px;color:#6d776e}.code-row input{flex:1}.code-row button{flex:0 0 auto}button{border:1px solid #b7c7b4;border-radius:9px;background:#edf2e6;color:#244632;font:inherit;font-size:14px;padding:12px 16px;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}button.primary{background:#1b493b;border-color:#1b493b;color:#fff;width:100%;margin-top:26px;padding:14px}#status{min-height:24px;font-size:13px;color:#68794e;overflow-wrap:anywhere}#status.error{color:#9a3f2d}#identity{background:#ecf2e6;border-left:3px solid #7b9c69;padding:12px;font-size:14px}details{margin-top:24px;padding-top:20px;border-top:1px solid #e5e8db;font-size:13px;color:#657568}summary{color:#244833;cursor:pointer;font-weight:600}a{color:#336849}.footnote{font-size:12px;color:#858f80;margin-top:24px}.footer-links{display:flex;justify-content:space-between;gap:14px;font-size:13px;flex-wrap:wrap}@media(max-width:420px){main{margin-top:30px;padding:0 14px 30px}.card{padding:25px 20px}h1{font-size:25px}.code-row button{padding:12px}.brand{margin-left:5px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.purchase-help{margin:22px 0;padding:18px;border:1px solid #c9d8cd;background:#f3f7f0;border-radius:12px}.purchase-help p{line-height:1.7;font-size:14px}.purchase-help a{display:inline-block;padding:8px 0;font-weight:700}