:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#1c2019;background:#f3f2ec;--accent:#5f6d42;--dark:#20231e;--pearl:#d8c6a5}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 18% 8%,#eee4d2 0,transparent 38%),linear-gradient(135deg,#faf9f5,#eceee7)}.login-shell{width:min(940px,100%);display:grid;grid-template-columns:1.05fr .95fr;background:#fffefa;border:1px solid #dedfd9;border-radius:28px;box-shadow:0 24px 70px rgba(38,42,32,.12);overflow:hidden}.login-brand{padding:68px 58px;background:linear-gradient(145deg,#20231e,#3f4b2b);color:#fff}.brand-mark{width:58px;height:58px;display:grid;place-items:center;border:1px solid rgba(216,198,165,.5);border-radius:50%;color:var(--pearl);font:600 24px serif}.login-brand p{margin:27px 0 10px;color:#c1c7b9;font-size:13px;letter-spacing:.08em}.login-brand h1{margin:0 0 24px;font:500 clamp(35px,5vw,56px)/1.12 ui-serif,"Songti SC",serif;letter-spacing:-.04em}.login-brand small{display:block;color:#b2b9aa;line-height:1.85}.login-card{align-self:center;padding:58px 52px}.eyebrow{margin:0;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.16em}.login-card h2{margin:8px 0;font-size:29px}.login-card>p:not(.eyebrow):not(.error){color:#74786f;line-height:1.6}.login-card form{display:grid;gap:17px;margin-top:28px}label{display:grid;gap:8px;color:#4f544b;font-size:13px;font-weight:700}input{width:100%;min-height:48px;padding:0 14px;color:#171817;background:#faf9f5;border:1px solid #d8dad3;border-radius:11px;font:inherit;outline:none}input:focus{border-color:#8d9a77;box-shadow:0 0 0 3px rgba(95,109,66,.1)}input:read-only{color:#73766f;background:#eeeee8}button{min-height:49px;margin-top:5px;color:#fff;background:var(--accent);border:0;border-radius:11px;font:700 15px inherit;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}.error{min-height:22px;margin:14px 0 0;color:#a2483e;font-size:13px}@media(max-width:720px){body{padding:12px;align-items:start}.login-shell{grid-template-columns:1fr;margin-top:18px;border-radius:22px}.login-brand{padding:34px}.login-brand h1{font-size:34px}.login-card{padding:34px}}