:root{color:#333;background:#f5f7f6;font-family:PingFang SC,Microsoft YaHei,Arial,sans-serif;--green: #0b6b42;--green-dark: #005331;--green-soft: #e8f3ed;--line: #e6ebe8;--muted: #75817b;--danger: #ff6b6b}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:linear-gradient(110deg,#f6f7ef,#eef6f0 48%,#fff 48%)}.login-hero{padding:84px 70px;display:flex;flex-direction:column;justify-content:center;color:var(--green-dark)}.logo-mark{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:var(--green);color:#fff;font-weight:800;letter-spacing:0}.login-hero h1{font-size:42px;margin:34px 0 14px;letter-spacing:0}.login-hero p{font-size:22px;margin:0}.login-card{align-self:center;justify-self:center;width:min(520px,80%);padding:48px;border:1px solid var(--line);border-radius:8px;background:#fffffff0;box-shadow:0 18px 45px #0053311f}.login-card h2{margin:0 0 30px;text-align:center;color:var(--green-dark);font-size:28px}.shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{padding:24px 18px;color:#fff;background:linear-gradient(180deg,#00643d,#00492d)}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand strong,.brand span{display:block}.brand span{opacity:.75;font-size:13px}.nav-item{width:100%;height:46px;padding:0 14px;border:0;border-radius:6px;display:flex;align-items:center;gap:12px;color:#edf9f2;background:transparent;text-align:left}.nav-item.active,.nav-item:hover{background:#ffffff24}.support-card{margin-top:42px;padding:18px;border-radius:8px;background:#ffffff1f;display:grid;gap:8px}.main{min-width:0}.topbar{height:86px;padding:0 28px;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:space-between}.breadcrumb{color:var(--muted);font-size:14px}.topbar h1{margin:6px 0 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