:root{--ink:#172033;--muted:#6d7585;--line:#e7eaf0;--brand:#f26522;--navy:#172743;--paper:#f6f7f9;--white:#fff;--shadow:0 18px 50px rgba(23,32,51,.09)}*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper)}button,input{font:inherit}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.05fr) minmax(480px,.95fr)}.brand-panel{position:relative;overflow:hidden;padding:64px 8vw;color:#fff;background:linear-gradient(145deg,#162541 0%,#20395f 62%,#182c4e 100%);display:flex;flex-direction:column;justify-content:space-between}.brand-panel:before,.brand-panel:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.09);border-radius:50%}.brand-panel:before{width:540px;height:540px;right:-240px;top:-130px}.brand-panel:after{width:300px;height:300px;right:-90px;top:-10px}.brand-mark,.wordmark span{display:grid;place-items:center;background:var(--brand);color:#fff;font-weight:900;letter-spacing:-1px}.brand-mark{width:62px;height:62px;border-radius:18px;box-shadow:0 12px 30px rgba(242,101,34,.3);position:relative;z-index:1}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:700;color:#ef9a72;margin:30px 0 16px}.eyebrow.dark{color:#d65a20}.brand-panel h1{font-size:clamp(44px,5vw,72px);line-height:1.12;letter-spacing:-.04em;margin:0;max-width:680px}.brand-copy{font-size:18px;color:#bac5d6;line-height:1.8}.chain{display:flex;align-items:center;color:#d8e0eb;font-size:13px;gap:12px}.chain i{height:1px;width:30px;background:rgba(255,255,255,.25)}.login-panel{display:grid;place-items:center;padding:48px;background:#fff}.login-card{width:min(420px,100%)}.mobile-logo{display:none}.login-card h2{font-size:36px;margin:0 0 8px;letter-spacing:-.03em}.muted{color:var(--muted);margin:0 0 28px}.login-form{display:grid;gap:20px}.login-form label{display:grid;gap:9px;font-size:14px;font-weight:700}.login-form input{width:100%;border:1px solid #dce0e8;border-radius:12px;padding:15px 16px;outline:none;background:#fafbfc;transition:.2s}.login-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(242,101,34,.1);background:#fff}.login-form button{border:0;border-radius:12px;padding:15px 18px;color:#fff;background:linear-gradient(135deg,#f26522,#db4b0b);font-weight:800;cursor:pointer;box-shadow:0 10px 22px rgba(242,101,34,.2)}.security-note{text-align:center;color:#9aa1ad;font-size:12px;margin-top:22px}.alert{background:#fff2ee;color:#bb3e10;border:1px solid #ffd5c5;padding:12px 14px;border-radius:10px;font-size:13px;margin-bottom:18px}.workspace{min-height:100vh;display:flex;flex-direction:column}.topbar{height:72px;padding:0 max(28px,5vw);background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.wordmark{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.wordmark span{width:38px;height:38px;border-radius:10px;font-size:13px}.wordmark strong{font-size:17px}.user-area{display:flex;align-items:center;gap:10px}.user-area small,.user-area b{display:block}.user-area small{color:#8b92a0;font-size:11px;margin-top:2px}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#eef1f6;color:#33415c;font-weight:800}.logout{border:0;background:transparent;color:#747c8b;cursor:pointer;margin-left:14px}.dashboard{width:min(1200px,calc(100% - 48px));margin:0 auto;padding:52px 0 58px}.welcome{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:54px}.welcome .eyebrow{margin:0 0 9px}.welcome h1{font-size:36px;margin:0 0 8px}.welcome p{margin:0;color:var(--muted)}.version{text-align:right;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px}.version span,.version strong{display:block}.version span{font-size:11px;color:#9299a5}.version strong{margin-top:4px;font-size:14px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px}.section-head h2{font-size:22px;margin:0 0 5px}.section-head p{margin:0;color:var(--muted);font-size:14px}.count{font-size:12px;color:#707887}.system-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.system-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;min-height:285px;display:flex;flex-direction:column;box-shadow:0 2px 3px rgba(0,0,0,.01);transition:.2s}.system-card:not(.disabled):hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8dce4}.system-card.disabled{opacity:.68}.card-head{display:flex;justify-content:space-between;align-items:flex-start}.system-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:19px;font-weight:900}.orange{background:#fff0e9;color:#e85b18}.blue{background:#eaf2ff;color:#2867c8}.green{background:#eaf8f0;color:#23864c}.purple{background:#f2edff;color:#7354bd}.status{font-size:11px;display:flex;align-items:center;gap:5px;color:#5f6774}.status i{width:7px;height:7px;border-radius:50%}.status.online i{background:#2db568;box-shadow:0 0 0 4px rgba(45,181,104,.1)}.status.planned i{background:#aeb4bf}.system-card h3{font-size:19px;margin:25px 0 9px}.system-card p{color:var(--muted);font-size:13px;line-height:1.7;margin:0}.enter-link{margin-top:auto;padding-top:22px;color:#d95114;font-weight:800;text-decoration:none;font-size:14px}.enter-link span{font-size:18px;margin-left:4px}.enter-link.inactive{color:#959ca8}.system-card small{border-top:1px solid #f0f1f4;margin-top:14px;padding-top:12px;color:#a0a6b1;font-size:10px;letter-spacing:.05em}.notice{display:flex;gap:14px;margin-top:28px;padding:18px 20px;background:#fffaf6;border:1px solid #f5dfd2;border-radius:14px}.notice-icon{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#f36a2b;color:#fff;font-family:serif;font-weight:700;flex:0 0 auto}.notice b{font-size:14px}.notice p{font-size:12px;color:#7f6b61;margin:5px 0 0;line-height:1.6}footer{margin-top:auto;border-top:1px solid var(--line);padding:20px max(28px,5vw);display:flex;justify-content:space-between;color:#999fab;font-size:11px;background:#fff}@media(max-width:960px){.system-grid{grid-template-columns:repeat(2,1fr)}.login-shell{grid-template-columns:1fr}.brand-panel{display:none}.mobile-logo{display:flex;align-items:center;gap:9px;font-weight:800;margin-bottom:48px}.mobile-logo span{background:var(--brand);color:#fff;border-radius:8px;padding:8px}.login-panel{min-height:100vh}}@media(max-width:600px){.topbar{padding:0 18px}.wordmark strong{display:none}.user-area>div:nth-child(2){display:none}.dashboard{width:calc(100% - 32px);padding-top:34px}.welcome{display:block;margin-bottom:40px}.welcome h1{font-size:30px}.version{display:none}.section-head{display:block}.count{display:inline-block;margin-top:10px}.system-grid{grid-template-columns:1fr}.system-card{min-height:250px}footer span{display:none}}