:root{--ink:#102a56;--muted:#667085;--line:#e3eaf5;--bg:#f4f7fb;--card:#fff;--blue:#155eef;--blue2:#0b4ed1;--cyan:#36bffa;--green:#12b76a;--amber:#f79009;--red:#d92d20;--shadow:0 18px 45px rgba(16,42,86,.08);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}a{color:inherit;text-decoration:none}.muted{color:var(--muted)}.eyebrow{display:block;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin-bottom:9px}.primary,.secondary,.ghost,.icon-button{border:0;border-radius:11px;font-weight:700;transition:.18s ease}.primary{background:var(--blue);color:#fff;padding:11px 17px;box-shadow:0 7px 18px rgba(21,94,239,.2)}.primary:hover{background:var(--blue2);transform:translateY(-1px)}.secondary{background:#fff;color:var(--ink);border:1px solid var(--line);padding:10px 16px}.secondary:hover{border-color:#b2ccff;background:#f5f8ff}.ghost{background:transparent;color:var(--muted);padding:8px 10px}.ghost:hover{color:var(--ink);background:#eef4ff}.icon-button{width:38px;height:38px;background:transparent;color:var(--ink);font-size:22px}.full{width:100%;padding:14px}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(18,183,106,.12)}

/* 登录 */
.login-page{background:linear-gradient(145deg,#071c42 0%,#0c3c91 48%,#0b78bb 100%);display:grid;place-items:center;padding:34px;overflow-x:hidden}.login-page:before,.login-page:after{content:"";position:fixed;border-radius:50%;filter:blur(1px);pointer-events:none}.login-page:before{width:520px;height:520px;right:-180px;top:-180px;background:radial-gradient(circle,rgba(54,191,250,.35),transparent 66%)}.login-page:after{width:430px;height:430px;left:-160px;bottom:-220px;background:radial-gradient(circle,rgba(125,211,252,.2),transparent 68%)}.login-shell{width:min(1060px,100%);min-height:650px;background:rgba(255,255,255,.97);border:1px solid rgba(255,255,255,.5);border-radius:28px;box-shadow:0 40px 100px rgba(2,17,45,.35);display:grid;grid-template-columns:1.17fr .83fr;overflow:hidden;position:relative;z-index:1}.brand-panel{padding:68px;background:linear-gradient(155deg,#eef4ff,#f7faff 48%,#e7f9ff);position:relative;overflow:hidden}.brand-panel:after{content:"";position:absolute;width:330px;height:330px;border:76px solid rgba(21,94,239,.06);border-radius:50%;right:-170px;bottom:-190px}.brand-logo-large{width:350px;max-width:100%;margin-bottom:90px}.brand-panel h1{font-size:44px;line-height:1.25;letter-spacing:-.04em;margin-bottom:22px}.brand-panel p{font-size:17px;line-height:1.8;color:var(--muted);max-width:440px}.brand-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}.brand-pills span{padding:8px 12px;background:rgba(255,255,255,.8);border:1px solid #d1e0ff;border-radius:999px;color:#1849a9;font-size:13px;font-weight:700}.login-card{padding:90px 56px;align-self:center}.login-card h2{font-size:34px;margin-bottom:8px}.login-card form{margin-top:34px}.login-card label{display:block;color:#344054;font-size:14px;font-weight:700;margin-bottom:20px}.login-card input,.modal-body input{display:block;width:100%;margin-top:9px}.login-card input,input,select,textarea{border:1px solid #d0d5dd;background:#fff;color:var(--ink);border-radius:10px;padding:12px 13px;outline:none;transition:.18s ease}.login-card input:focus,input:focus,select:focus,textarea:focus{border-color:#84adff;box-shadow:0 0 0 4px rgba(21,94,239,.09)}.form-message{min-height:24px;font-size:13px;color:var(--red);text-align:center;margin:12px 0 0}.security-note{font-size:12px;color:#98a2b3;text-align:center;margin-top:34px}.mobile-brand{display:none}

/* 后台框架 */
.admin-page{background:var(--bg)}.sidebar{position:fixed;inset:0 auto 0 0;width:255px;background:#071c42;color:#dce8ff;padding:26px 18px 18px;display:flex;flex-direction:column;z-index:20}.brand{display:block;padding:4px 8px 28px}.brand img{width:208px;filter:brightness(0) invert(1)}.sidebar nav{display:flex;flex-direction:column;gap:5px}.nav-item{border:0;background:transparent;color:#a9b9d8;border-radius:11px;text-align:left;padding:12px 14px;font-weight:650;display:flex;align-items:center;gap:13px;transition:.18s}.nav-item span{width:20px;color:#80aaff;font-size:18px;text-align:center}.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}.nav-item.active{background:linear-gradient(100deg,rgba(21,94,239,.52),rgba(54,191,250,.18));color:#fff;box-shadow:inset 3px 0 #53b1fd}.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding:18px 10px 3px;display:flex;align-items:center;gap:11px;color:#a9b9d8;font-size:12px}.content{min-height:100vh;margin-left:255px;padding:0 34px 60px}.topbar{height:94px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);margin-bottom:30px}.topbar h1{font-size:24px;margin:2px 0 0}.breadcrumb{margin:0;color:#98a2b3;font-size:12px}.user-menu{margin-left:auto;display:flex;align-items:center;gap:11px}.user-menu small{display:block;color:#98a2b3;margin-top:2px}.avatar{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#155eef,#36bffa);color:#fff;font-weight:800;box-shadow:0 6px 16px rgba(21,94,239,.22)}#menuButton{display:none}.view{display:none;animation:fade .2s ease}.view.active{display:block}@keyframes fade{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}.notice{position:fixed;right:28px;top:24px;z-index:100;background:#102a56;color:#fff;border-radius:12px;padding:13px 18px;box-shadow:var(--shadow);max-width:420px}.notice.error{background:#7a271a}.hero-card{min-height:200px;padding:38px 42px;background:linear-gradient(115deg,#102a56 0%,#155eef 60%,#36bffa 130%);color:#fff;border-radius:22px;box-shadow:0 18px 45px rgba(16,42,86,.2);display:flex;align-items:center;justify-content:space-between;overflow:hidden;position:relative}.hero-card:after{content:"";position:absolute;width:300px;height:300px;border:58px solid rgba(255,255,255,.07);border-radius:50%;right:-80px;top:-126px}.hero-card .eyebrow{color:#b9d6ff}.hero-card h2{font-size:34px;margin-bottom:10px}.hero-card p{color:#d6e6ff;margin:0}.hero-card img{width:125px;filter:drop-shadow(0 12px 24px rgba(0,0,0,.18));z-index:1}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:22px 0 40px}.metric-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px;box-shadow:0 8px 22px rgba(16,42,86,.04)}.metric-card p{color:var(--muted);font-size:13px;margin-bottom:16px}.metric-card strong{font-size:31px;letter-spacing:-.03em}.metric-card span{float:right;width:42px;height:42px;border-radius:13px;background:#eef4ff;color:var(--blue);display:grid;place-items:center;font-size:18px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:20px 0 18px}.section-head h2{font-size:24px;margin-bottom:5px}.section-head p{margin:0;color:var(--muted);font-size:14px}.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.app-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;align-items:center;gap:15px}.app-icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(145deg,#eef4ff,#e4f7ff);display:grid;place-items:center;color:var(--blue);font-weight:900}.app-card h3{font-size:15px;margin:0 0 5px}.app-card p{font-size:12px;color:var(--muted);margin:0}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.badge.on{background:#ecfdf3;color:#027a48}.badge.off{background:#f2f4f7;color:#667085}.badge.warn{background:#fffaeb;color:#b54708}.table-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:auto;box-shadow:0 7px 22px rgba(16,42,86,.035)}table{width:100%;border-collapse:collapse;min-width:820px}th{background:#f8fafd;color:#667085;font-size:12px;text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:14px 16px;border-bottom:1px solid #edf1f7;font-size:13px;vertical-align:middle}tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfcfe}.table-actions{display:flex;gap:7px}.small-button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 9px;font-size:12px;color:#344054}.small-button:hover{border-color:#84adff;color:var(--blue)}.small-button.danger{color:var(--red)}.filter-row{display:flex;gap:10px;margin-bottom:14px}.filter-row input{width:min(360px,100%)}.empty{padding:44px;text-align:center;color:#98a2b3}.secret-card{background:#fffaeb;border:1px solid #fedf89;border-radius:15px;padding:20px;margin-bottom:16px;color:#7a2e0e}.secret-card code{display:block;word-break:break-all;background:#fff;border:1px dashed #f79009;border-radius:9px;padding:13px;margin:12px 0;font-size:14px;user-select:all}.secret-card strong{display:block}.secret-card p{font-size:13px;margin:6px 0 0}.switch{position:relative;width:44px;height:24px;display:inline-block}.switch input{opacity:0;width:0;height:0}.switch span{position:absolute;inset:0;background:#d0d5dd;border-radius:99px;transition:.2s}.switch span:before{content:"";position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;box-shadow:0 2px 4px rgba(0,0,0,.18);transition:.2s}.switch input:checked+span{background:var(--blue)}.switch input:checked+span:before{transform:translateX(20px)}

/* 弹窗 */
dialog{border:0;border-radius:20px;padding:0;width:min(620px,calc(100% - 30px));box-shadow:0 30px 90px rgba(16,42,86,.24);color:var(--ink)}dialog::backdrop{background:rgba(7,28,66,.48);backdrop-filter:blur(3px)}#modalForm{padding:25px}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:20px}.modal-head h2{margin:0;font-size:23px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:block;color:#344054;font-size:13px;font-weight:700}.field.full-row{grid-column:1/-1}.field input,.field select,.field textarea{display:block;width:100%;margin-top:8px}.field textarea{min-height:92px;resize:vertical}.field small{display:block;color:#98a2b3;font-weight:400;margin-top:6px}.modal-actions{display:flex;justify-content:flex-end;gap:9px;border-top:1px solid var(--line);padding-top:18px;margin-top:24px}.form-error{color:var(--red);font-size:13px;margin:12px 0 0}

@media (max-width:1120px){.metric-grid{grid-template-columns:repeat(2,1fr)}.app-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:840px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:none;box-shadow:18px 0 45px rgba(7,28,66,.22)}.content{margin-left:0;padding:0 18px 40px}.topbar{height:80px;margin-bottom:20px}.topbar h1{font-size:20px}#menuButton{display:block}.user-menu>div:not(.avatar){display:none}.hero-card{padding:28px}.hero-card img{width:90px}.login-shell{grid-template-columns:1fr;min-height:auto;max-width:480px}.brand-panel{display:none}.login-card{padding:48px 36px}.mobile-brand{display:flex;align-items:center;gap:10px;margin-bottom:44px}.mobile-brand img{width:42px}.login-page{padding:18px}}
@media (max-width:560px){.metric-grid{grid-template-columns:1fr 1fr;gap:10px}.metric-card{padding:16px}.metric-card strong{font-size:25px}.app-grid{grid-template-columns:1fr}.hero-card h2{font-size:27px}.hero-card img{display:none}.section-head{align-items:flex-start;flex-direction:column}.section-head>button{width:100%}.topbar .ghost{font-size:0}.topbar .ghost:after{content:"退出";font-size:13px}.field-grid{grid-template-columns:1fr}.field.full-row{grid-column:auto}.login-card{padding:40px 24px}.notice{right:14px;left:14px;max-width:none}}