:root{--ink:#142036;--blue:#315efb;--muted:#7b8798;--line:#e4e9f1}*{box-sizing:border-box}body{margin:0;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:#f5f7fb}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.05fr) minmax(430px,.95fr)}.brand-panel{background:#111a2b;color:#fff;padding:58px 8vw 45px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.brand-panel:after{content:"";position:absolute;width:520px;height:520px;border:1px solid #ffffff10;border-radius:50%;right:-180px;bottom:-200px;box-shadow:0 0 0 80px #ffffff05,0 0 0 160px #ffffff03}.logo,.mobile-logo{font-size:23px;font-weight:850;position:relative;z-index:1}.logo span,.mobile-logo span{color:#7892ff}.kicker{color:#7892ff;font-size:11px;font-weight:800;letter-spacing:2px}.brand-panel h1{font-size:43px;line-height:1.25;letter-spacing:-2px;margin:18px 0}.intro{color:#aeb9cb;max-width:440px;line-height:1.8;font-size:15px}.trust{color:#78869d;font-size:12px;position:relative;z-index:1}.form-panel{background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:45px}.form-panel form{width:min(390px,100%)}.mobile-logo{display:none;margin-bottom:45px}.eyebrow{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:1px}.form-panel h2{font-size:28px;margin:9px 0}.sub{color:var(--muted);margin:0 0 34px}.form-panel label{display:grid;gap:8px;margin:18px 0;font-size:13px;font-weight:700}.form-panel input{border:1px solid var(--line);border-radius:9px;padding:13px 14px;font:inherit;outline:0}.form-panel input:focus{border-color:#8ca3ff;box-shadow:0 0 0 3px #eef2ff}.form-panel button{width:100%;border:0;border-radius:9px;padding:13px;background:var(--blue);color:#fff;font:inherit;font-weight:800;cursor:pointer;margin-top:10px}.form-panel button:disabled{opacity:.6}#error{color:#d94c56;font-size:13px;min-height:20px}.form-panel footer{position:absolute;bottom:24px;color:#a1a9b6;font-size:11px}@media(max-width:820px){.login-shell{display:block}.brand-panel{display:none}.form-panel{min-height:100vh}.mobile-logo{display:block}.form-panel footer{position:fixed}}