:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#172033;background:#f5f7fb;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(ellipse at 12% 40%,#e8efff,transparent 55%),#f7f9fc}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{text-decoration:none;color:inherit}.site-header{display:flex;align-items:center;justify-content:space-between;padding:28px max(6vw,24px);gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:750}.mark,.card-mark{display:grid;place-items:center;border-radius:12px;background:#111827;color:#fff}.mark{width:39px;height:39px;font-size:24px}.site-address{color:#64748b;font-size:13px}.login-layout{width:min(1050px,calc(100% - 64px));margin:auto;display:grid;grid-template-columns:1.15fr 1fr;gap:80px;align-items:center;padding:40px 0 64px}.eyebrow{color:#5274b5;font-size:11px;letter-spacing:.17em;font-weight:700}h1{font-size:clamp(30px,3vw,40px);line-height:1.45;letter-spacing:-.04em;margin:22px 0 18px;font-weight:750}.intro-copy{font-size:14px;color:#64748b;line-height:1.9;max-width:370px}.feature-list{display:grid;gap:22px;margin:34px 0 45px}.feature-list>div{display:flex;align-items:center;gap:14px}.feature-icon{width:40px;height:40px;display:grid;place-items:center;background:#fff;border:1px solid #dce6f5;border-radius:12px;font-size:19px;color:#2563eb}.feature-list strong{font-size:14px;font-weight:650}.feature-list p{font-size:12px;color:#7a879b;margin:5px 0 0}.intro-note{font-size:11px;color:#8a98ad;letter-spacing:.04em}.login-card{padding:36px 36px 0;border:1px solid #e1e7f0;border-radius:22px;background:#fff;box-shadow:0 20px 60px -26px #7c92b95c;min-width:0}.card-mark{width:46px;height:46px;font-size:27px;margin-bottom:24px}h2{font-size:24px;letter-spacing:-.03em;margin:0 0 9px}.card-subtitle{font-size:13px;color:#7a879b;margin:0 0 28px}label{font-size:13px;font-weight:600;display:block;margin-bottom:9px}input{width:100%;min-height:46px;border:1px solid #d8e1ee;border-radius:9px;padding:11px 13px;background:#fbfcfe;color:#172033;font-size:14px}input::placeholder{color:#9aa6b8}input:focus{outline:3px solid #dbeafe;border-color:#7ca7ee;background:#fff}#username{margin-bottom:20px}.password-field{position:relative}.password-field input{padding-right:64px}.password-field button{position:absolute;right:8px;top:7px;height:32px;border:0;border-radius:6px;background:transparent;color:#64748b;cursor:pointer;font-size:12px;padding:0 9px}.password-field button:hover{background:#edf3ff;color:#2563eb}.submit{width:100%;margin-top:25px;padding:13px 17px;border:0;border-radius:9px;background:linear-gradient(110deg,#2563eb,#1779cd);color:#fff;font-size:14px;font-weight:650;cursor:pointer;box-shadow:0 6px 15px #2563eb20}.submit span{float:right}.submit:hover{filter:brightness(.96)}button:focus-visible,a:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}.submit:disabled{opacity:.6;cursor:wait}.account-hint{font-size:11px;line-height:1.9;color:#8b97a9;margin:20px 0 26px}.card-footer{display:flex;align-items:center;justify-content:center;gap:7px;border-top:1px solid #edf1f7;padding:18px 0;font-size:11px;color:#8696ad}.error{padding:10px 12px;color:#b42318;background:#fff3f2;border:1px solid #fee4e2;border-radius:8px;font-size:12px;line-height:1.6;margin:16px 0 0}[hidden]{display:none!important}footer{text-align:center;color:#9ba7b8;font-size:11px;padding:18px 20px 25px}@media(max-width:850px){.login-layout{gap:35px;width:calc(100% - 48px)}.login-card{padding:28px 25px 0}h1{font-size:30px}}@media(max-width:680px){.site-header{padding:21px 22px}.brand{font-size:16px}.site-address{font-size:11px}.login-layout{display:block;width:min(430px,calc(100% - 36px));padding:16px 0 28px}.intro{display:none}.login-card{padding:29px 25px 0}.card-mark{margin-bottom:20px}footer{padding-bottom:22px}}