:root{--bg:#07101d;--panel:#0d1a2b;--panel2:#101f33;--line:#1f3653;--text:#eaf4ff;--muted:#88a2bf;--primary:#23a8ff;--green:#29d39a;--red:#ff6078;--gold:#ffc857}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#07101d,#09192d 55%,#07101d);color:var(--text);font-family:"Microsoft YaHei",Arial,sans-serif;min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:230px;background:rgba(7,16,29,.97);border-right:1px solid var(--line);padding:24px 16px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 24px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#23a8ff,#1458ff);box-shadow:0 0 26px rgba(35,168,255,.35);font-weight:800}.brand b{display:block;font-size:19px}.brand small{display:block;color:var(--muted);margin-top:4px}.sidebar nav{display:grid;gap:7px}.sidebar nav a{color:#a9bfd7;text-decoration:none;padding:12px 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span{display:block;height:100%;background:linear-gradient(90deg,#23a8ff,#29d39a)}@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}.grid-2,.form-grid{grid-template-columns:1fr}.sidebar{width:190px}.main{margin-left:190px}}@media(max-width:720px){.sidebar{position:static;width:100%;height:auto}.sidebar nav{grid-template-columns:repeat(3,1fr)}.sidebar-foot{display:none}.main{margin-left:0}.topbar{position:static;padding:15px;display:block}.corp-switch{margin-top:12px}.corp-switch select{width:100%}.content{padding:15px}.cards{grid-template-columns:1fr 1fr}.sidebar nav a{text-align:center;padding:9px;font-size:13px}}