:root{font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#393d37;background:#f5f3ec}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 20%,#fff9df 0,transparent 34%),radial-gradient(circle at 90% 80%,#e4f0e5 0,transparent 38%),#f5f3ec}.shell{min-height:100vh;display:grid;grid-template-columns:minmax(280px,1fr) minmax(340px,480px);gap:72px;align-items:center;max-width:1120px;margin:auto;padding:56px}.welcome{max-width:520px}.eyebrow{display:inline-block;color:#6a8065;font-size:14px;letter-spacing:.16em;margin-bottom:24px}.welcome h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(44px,6vw,76px);font-weight:500;line-height:1.18;letter-spacing:.06em;margin:0 0 28px;color:#4a5a46}.welcome p{max-width:420px;color:#6b7068;line-height:1.9;font-size:17px}.card{background:rgba(255,255,255,.92);border:1px solid rgba(84,101,79,.12);border-radius:28px;padding:34px;box-shadow:0 22px 60px rgba(71,78,67,.12);backdrop-filter:blur(18px)}.tabs{display:flex;gap:8px;padding:5px;background:#f2f1eb;border-radius:14px;margin-bottom:28px}.tab{flex:1;border:0;border-radius:10px;padding:11px 14px;background:transparent;color:#72766f;font-size:15px;cursor:pointer}.tab.active{background:#fff;color:#4b6048;box-shadow:0 3px 14px rgba(63,73,59,.08)}h2{font-size:26px;font-weight:600;margin:0 0 22px}label{display:grid;gap:8px;font-size:14px;color:#555c52;margin:17px 0}input{width:100%;border:1px solid #d9ddd5;border-radius:12px;padding:13px 14px;font:inherit;background:#fff;outline:none}input:focus{border-color:#84987e;box-shadow:0 0 0 3px rgba(119,144,112,.13)}small,.hint,.security{color:#858a82;line-height:1.6}.hint{font-size:14px;margin:-10px 0 20px}.primary{width:100%;border:0;border-radius:13px;padding:14px;background:#60775b;color:#fff;font-size:16px;cursor:pointer;margin-top:8px}.primary:disabled{opacity:.55;cursor:wait}.message{display:none;border-radius:11px;padding:11px 13px;margin:-10px 0 18px;font-size:14px;line-height:1.5}.message.error{display:block;background:#fff0ee;color:#a1463d}.message.success{display:block;background:#edf7ec;color:#4b7448}.security{font-size:12px;text-align:center;margin:24px 0 0}@media(max-width:780px){.shell{grid-template-columns:1fr;gap:30px;padding:28px 18px}.welcome{padding:12px 10px}.welcome h1{font-size:42px}.welcome p{display:none}.card{padding:26px 22px;border-radius:22px}}