:root{color-scheme:light;--bg:#f3f7ff;--surface:#fff;--text:#152b4b;--muted:#536782;--blue:#1769df;--line:#d6e2f5;--soft:#edf4ff;--error:#b42318}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 0,#dceaff,transparent 650px),var(--bg);font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--text);line-height:1.6}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}header{max-width:1000px;margin:auto;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;gap:10px;align-items:center;font-weight:750;color:var(--text)}.brand img{border-radius:10px}.back{font-size:14px;min-height:44px;display:flex;align-items:center}main{max-width:720px;margin:20px auto 0;padding:0 24px}.intro{text-align:center;margin-bottom:28px}.eyebrow{color:var(--blue);font-size:13px;font-weight:650;letter-spacing:3px;margin:0 0 4px}h1{font-size:38px;line-height:1.3;margin:8px 0;color:var(--blue);letter-spacing:-1px}.intro>p:last-child{color:var(--muted);margin:10px 0}.steps{list-style:none;display:flex;justify-content:center;gap:32px;padding:0;margin:0 0 28px;font-size:14px;color:var(--muted)}.steps b{display:inline-grid;place-items:center;width:24px;height:24px;border:1px solid #b5cff8;border-radius:50%;color:var(--blue);margin-right:7px;background:#fff}.card{background:var(--surface);border:1px solid var(--line);box-shadow:0 14px 40px #204f9a0b;border-radius:22px;padding:30px}.card-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:24px}h2{font-size:19px;margin:0}.badge{font-size:12px;color:var(--blue);background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 10px}label{display:block;font-size:14px;font-weight:650;margin-bottom:8px}input{width:100%;font:inherit;font-size:16px;border:1px solid #a9bcd8;border-radius:10px;padding:13px 14px;color:var(--text);background:#fff}input:disabled{background:#f5f7fb}.muted{color:var(--muted);font-size:13px}#cardHelp{margin:8px 0 18px}.actions{display:flex;gap:12px;flex-wrap:wrap}button{font:inherit;font-size:14px;font-weight:600;border:1px solid #b7c9e4;background:#fff;color:var(--text);border-radius:10px;min-height:46px;padding:10px 18px;cursor:pointer;transition:background .15s,border-color .15s}button:hover:enabled{background:var(--soft);border-color:var(--blue)}button.primary{color:#fff;background:var(--blue);border-color:var(--blue);flex:1}button.primary:hover:enabled{background:#1154b6}button:disabled{opacity:.5;cursor:default}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #80b1ff;outline-offset:3px}.message{font-size:14px;margin:20px 0 0;min-height:22px;overflow-wrap:anywhere}.message.error{color:var(--error)}.result{border-top:1px solid var(--line);margin-top:24px;padding-top:20px}.result-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;margin-bottom:12px}.result-block{border:1px solid var(--line);background:#f8faff;border-radius:14px;padding:16px;margin-bottom:12px}.value-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:6px;min-width:0}.phone{font-size:25px;font-variant-numeric:tabular-nums;letter-spacing:.5px;overflow-wrap:anywhere}.code{font-size:24px;letter-spacing:2px;color:#0a7c58}.copy{font-size:12px;padding:8px 12px;flex-shrink:0}.code-block{background:#f2fbf7;border-color:#cce9dd}#codeExpiry{margin:6px 0 0}.result>.actions{margin-top:18px}.notes{padding:28px 6px;font-size:14px;color:var(--muted)}.notes h2{font-size:15px;color:var(--text)}.notes ul{padding-left:20px}.notes li{margin:8px 0}.notes>a{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:650}footer{text-align:center;color:var(--muted);font-size:12px;padding:12px 20px 28px}[hidden]{display:none!important}@media(max-width:520px){header{padding:14px 18px}main{padding:0 14px;margin-top:16px}.intro{margin-bottom:22px}h1{font-size:32px}.steps{gap:14px;font-size:12px;margin-bottom:22px}.steps b{width:22px;height:22px;margin-right:4px}.card{padding:22px 18px;border-radius:18px}.phone{font-size:21px}.value-row{flex-wrap:wrap}.notes{padding:24px 8px}.actions>button{flex:1}.card-heading{margin-bottom:20px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}