:root{--lts-nav-w: 232px;--lts-bg: #f1f1f1;--lts-nav-bg: #ebebeb;--lts-border: #e3e3e3;--lts-text: #303030;--lts-subdued: #616161}body{margin:0;background:var(--lts-bg);color:var(--lts-text);font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,sans-serif}.lts-shell{display:grid;grid-template-columns:var(--lts-nav-w) minmax(0,1fr);min-height:100vh}.lts-nav{position:sticky;top:0;height:100vh;height:100svh;overflow-y:auto;box-sizing:border-box;display:flex;flex-direction:column;gap:4px;padding:16px 12px;background:var(--lts-nav-bg);border-right:1px solid #dcdcdc}.lts-brand{display:block;padding:4px 10px 12px;color:var(--lts-text);text-decoration:none}.lts-brand-name{font-size:15px;font-weight:700;line-height:1.3}.lts-brand-sub{font-size:12px;color:var(--lts-subdued)}.lts-nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}.lts-nav-link{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;color:var(--lts-text);text-decoration:none;font-size:14px;line-height:20px}.lts-nav-link:hover{background:#e1e1e1}.lts-nav-link.active{background:#fff;font-weight:650;box-shadow:0 1px #0000000f}.lts-nav-icon{width:20px;text-align:center;flex:none}.lts-nav-count{margin-left:auto;min-width:20px;padding:0 6px;border-radius:10px;box-sizing:border-box;font-size:12px;font-weight:650;line-height:20px;text-align:center;font-variant-numeric:tabular-nums;background:#e22c38;color:#fff}.lts-nav-count[data-tone=warning]{background:#f0932b}.lts-nav-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding-top:12px}.lts-valve{display:block;border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.45}.lts-valve strong{display:block;font-size:13px}.lts-valve[data-on=true]{background:#fff1e3;color:#5e3a00;border:1px solid #ffc98a}.lts-valve[data-on=false]{background:#fee9e8;color:#8e1f0b;border:1px solid #fcb9b3}.lts-user{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 10px;font-size:13px;color:var(--lts-subdued)}.lts-user form{margin:0}.lts-logout{border:0;background:none;padding:0;font:inherit;color:#005bd3;cursor:pointer}.lts-logout:hover{text-decoration:underline}.lts-main{min-width:0;padding-bottom:48px}@media(max-width:880px){.lts-shell{grid-template-columns:minmax(0,1fr)}.lts-nav{z-index:10;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 8px;overflow:visible;padding:8px 12px;border-right:0;border-bottom:1px solid #dcdcdc;white-space:nowrap}.lts-brand{padding:0 6px 0 0}.lts-brand-sub,.lts-valve-detail,.lts-user-name{display:none}.lts-nav-list{flex-direction:row;min-width:0;max-width:100%;overflow-x:auto}.lts-nav-icon{display:none}.lts-nav-foot{margin:0 0 0 auto;padding:0;flex-direction:row;align-items:center}.lts-valve{padding:4px 8px}}.lts-login{min-height:100vh;box-sizing:border-box;display:grid;place-items:center;padding:16px}.lts-login-card{width:100%;max-width:400px}.lts-login-brand{margin-bottom:16px;text-align:center}.lts-login-brand .lts-brand-name{font-size:20px}.lts-error{max-width:640px;margin:48px auto;padding:0 16px}.lts-error h1{margin:0 0 8px;font-size:22px}.lts-error pre{overflow:auto;padding:10px 12px;border-radius:8px;background:#fff;font-size:12px;white-space:pre-wrap}