:root{font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color:#17343b;background:#eff6f6}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 12% 18%,#d5efeb 0,transparent 34%),linear-gradient(145deg,#f7fbfb 0,#e7f1f2 100%)}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(280px,1fr) minmax(340px,500px);align-items:center;gap:8vw;max-width:1180px;margin:auto;padding:48px}.login-brand{display:flex;align-items:center;gap:24px}.login-brand img{width:86px;height:86px}.login-brand span{font-size:18px;font-weight:900;color:#0f6670;letter-spacing:.12em}.login-brand h1{font-size:38px;margin:4px 0 8px}.login-brand p{margin:0;color:#6c8185}.login-card{background:#fff;border:1px solid #dce9e8;border-radius:24px;box-shadow:0 24px 60px rgba(21,72,76,.13);padding:40px;display:grid;gap:22px}.login-card small{color:#0f7779;font-weight:800;letter-spacing:.12em}.login-card h2{margin:8px 0 6px;font-size:28px}.login-card p{margin:0;color:#7b8d91}.login-card label{display:grid;gap:8px;font-weight:700}.login-card input{width:100%;height:50px;border:1px solid #cbdcdb;border-radius:12px;padding:0 14px;font-size:16px;outline:none}.login-card input:focus{border-color:#0f7779;box-shadow:0 0 0 3px rgba(15,119,121,.12)}.login-card button{height:52px;border:0;border-radius:12px;background:#0f6670;color:#fff;font-size:16px;font-weight:800;cursor:pointer}.login-card button:disabled{opacity:.65}.login-card #login-error{min-height:20px;color:#c0392b;font-size:14px}.login-card footer{text-align:center;color:#8b999c;font-size:13px}@media(max-width:760px){.login-shell{grid-template-columns:1fr;gap:28px;padding:24px 18px}.login-brand{justify-content:center}.login-brand img{width:58px;height:58px}.login-brand h1{font-size:25px}.login-brand p{font-size:14px}.login-card{padding:28px 22px;border-radius:18px}}