:root{--navy: #102b4e;--navy-2: #143a66;--blue: #1f67d2;--blue-soft: #e9f1ff;--line: #d9e2ec;--text: #172033;--muted: #66748a;--bg: #f5f7fb;--green: #0d8a4f;--red: #c6263e;--amber: #d68a00}*{box-sizing:border-box}body{margin:0;font-family:Inter,Microsoft YaHei,PingFang SC,Arial,sans-serif;color:var(--text);background:var(--bg)}button,input,select{font:inherit}button:disabled{cursor:not-allowed;opacity:.62}.login-page{min-height:100vh;display:grid;place-items:center;padding:28px;background:linear-gradient(135deg,#102b4eeb,#1f67d2bd),linear-gradient(0deg,#f5f7fb,#f5f7fb)}.login-panel{width:min(920px,100%);min-height:520px;display:grid;grid-template-columns:.95fr 1.05fr;background:#fff;border:1px solid rgba(255,255,255,.28);border-radius:8px;overflow:hidden;box-shadow:0 24px 64px #102b4e42}.login-brand{display:flex;align-items:center;justify-content:center;gap:14px;padding:34px;color:#fff;background:linear-gradient(180deg,#102b4e,#0c213d)}.login-brand 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238px;background:linear-gradient(180deg,#102b4e,#0c213d);color:#fff;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;transition:width .18s ease,flex-basis .18s ease}.sidebar.collapsed{width:84px;flex-basis:84px}.brand{height:76px;display:flex;gap:12px;align-items:center;padding:0 22px;border-bottom:1px solid rgba(255,255,255,.12)}.brand-text{min-width:0}.brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:8px;background:#2b73e4;display:grid;place-items:center;font-weight:800}.brand strong{display:block;font-size:20px}.brand span{display:block;color:#b8c7da;font-size:12px;margin-top:2px}.sidebar-toggle{width:30px;height:30px;margin-left:auto;border:1px solid rgba(255,255,255,.18);background:#ffffff14;color:#dbe7f7;border-radius:7px;display:grid;place-items:center;cursor:pointer;padding:0}.sidebar-toggle:hover{background:#ffffff24;color:#fff}.sidebar.collapsed .brand{gap:6px;justify-content:center;padding:0 8px}.sidebar.collapsed 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