:root{--brand:#667eea;--brand-dark:#4b5bbf;--ink:#2f3542;--muted:#6b7280;--line:#e3e7f0;--soft:#f6f7fb;--ok:#18794e;--warn:#8a5a00}
*{box-sizing:border-box}
body{margin:0;background:#f5f6fa;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
a{color:var(--brand-dark)}
.page{max-width:760px;margin:0 auto;padding:22px 16px 48px}
.hero{background:linear-gradient(145deg,#f0f3ff,#fff);border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:16px}
.hero h1{font-size:26px;line-height:1.35;margin:0 0 8px}
.hero p{margin:0;color:var(--muted);font-size:14px}
.card{background:#fff;border-radius:16px;padding:20px;box-shadow:0 3px 14px rgba(31,41,55,.06);margin-bottom:14px}
.card h2{font-size:18px;margin:0 0 10px}
.card h3{font-size:15px;margin:18px 0 6px}
.card p,.card li{font-size:14px;color:#4b5563}
.card ul{padding-left:20px;margin:8px 0}
.nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.nav a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 12px;text-decoration:none;font-size:13px}
.notice{background:#f0f6ff;border:1px solid #cfe0ff;border-radius:12px;padding:12px 14px;color:#36538d;font-size:13px;margin:12px 0}
.warn{background:#fff8e6;border:1px solid #f1d99a;color:var(--warn)}
label{display:block;font-size:13px;color:#4b5563;margin:12px 0 5px}
input,select,textarea{width:100%;border:1px solid #d8dce5;border-radius:10px;padding:11px 12px;font-size:15px;background:#fafbfc;outline:none;font-family:inherit}
input:focus,select:focus,textarea:focus{border-color:var(--brand);background:#fff}
textarea{min-height:96px;resize:vertical}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.consent{display:flex;gap:9px;align-items:flex-start;margin:14px 0;font-size:13px;color:#4b5563}
.consent input{width:auto;margin-top:5px}
button{border:0;border-radius:11px;padding:12px 16px;font-size:15px;cursor:pointer;background:var(--brand);color:#fff;font-weight:600}
button.secondary{background:#fff;color:#4b5563;border:1px solid #d8dce5;font-weight:500}
button:disabled{opacity:.55;cursor:not-allowed}
.result{margin-top:14px;padding:14px;border-radius:12px;background:#edf9f2;color:var(--ok);font-size:14px;display:none;white-space:pre-wrap;word-break:break-all}
.small{font-size:12px;color:var(--muted)}
.faq dt{font-weight:600;margin-top:14px}.faq dd{margin:4px 0 0;color:#4b5563}
.foot{text-align:center;font-size:12px;color:#9ca3af;margin-top:24px}
@media(max-width:560px){.hero h1{font-size:22px}.row{grid-template-columns:1fr}.page{padding:16px 12px 38px}}