*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#F4F6FA; --card:#fff; --line:#E7EBF3; --line-2:#F1F4F9;
  --text:#0F1B2D; --text-2:#5B6B85; --text-3:#94A3BA;
  --primary:#2B5CE6; --primary-soft:#EAF0FF;
  --green:#0FA05A; --green-soft:#E6F7EE;
  --amber:#D98200; --amber-soft:#FFF5E5;
  --red:#D94444; --red-soft:#FDEEEE;
  --purple:#7A4DF0; --purple-soft:#F1ECFF;
  --radius:14px; --shadow:0 1px 2px rgba(16,30,54,.04),0 10px 26px rgba(16,30,54,.05);
}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}
a{color:inherit;text-decoration:none}
.hide{display:none !important}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.login-left{background:linear-gradient(150deg,#0C1424,#16264A 55%,#20356B);color:#fff;padding:56px 60px;display:flex;flex-direction:column;position:relative;overflow:hidden}
.login-left::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(76,123,255,.32),transparent 68%);right:-170px;bottom:-200px}
.login-right{display:grid;place-items:center;padding:40px;background:#fff}
.login-box{width:100%;max-width:368px}
.feature{display:flex;gap:11px;margin-top:18px;position:relative;z-index:2}
.feature-ico{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center;flex:0 0 34px;font-size:15px}
.feature h4{font-size:13.5px;font-weight:600;margin-bottom:2px}
.feature p{font-size:12.5px;color:#A9BBD8;line-height:1.5}

/* ---------- 主框架 ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:238px;flex:0 0 238px;background:#0C1424;color:#C3CFE2;display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px}
.brand-mark{width:32px;height:32px;border-radius:9px;flex:0 0 32px;background:linear-gradient(140deg,#4C7BFF,#7A4DF0);display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;box-shadow:0 4px 12px rgba(76,123,255,.4)}
.brand-name{font-size:15px;font-weight:600;color:#fff;letter-spacing:.2px}
.brand-sub{font-size:11px;color:#7186A6;margin-top:-2px}
.scope-box{background:#141F33;border:1px solid #1E2C45;border-radius:11px;padding:9px 10px;margin-bottom:14px}
.scope-label{font-size:11px;color:#6E82A3;margin-bottom:5px}
.scope-select{width:100%;background:#1B2840;color:#DCE6F5;border:1px solid #26364F;border-radius:8px;padding:7px 8px;font-size:12.5px;outline:none}
.scope-locked{width:100%;background:#141F33;color:#8FA3C2;border:1px dashed #26364F;border-radius:8px;padding:7px 8px;font-size:12.5px;cursor:default;line-height:1.35}

/* ---------- 使用说明书 ---------- */
.manual{max-width:980px}

/* 每一页顶部的「怎么用这一页」指引。客户打开一页第一眼就知道该点哪。 */
.pg-guide{background:linear-gradient(180deg,#F3F7FF,#FFFFFF);border:1px solid #D8E3FA;border-left:3px solid var(--primary);border-radius:12px;padding:14px 18px;margin-bottom:14px}
.pg-guide-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pg-guide-tag{background:var(--primary-soft);color:var(--primary);border-radius:6px;padding:2px 8px;font-size:12px;font-weight:600;flex:none}
.pg-guide-head b{font-size:14px;color:var(--text)}
.pg-guide-sub{font-size:12.5px;color:var(--text-2);flex:1;min-width:200px}
.pg-guide-head .btn{margin-left:auto;flex:none}
.pg-guide-body{margin-top:12px;border-top:1px dashed #D8E3FA;padding-top:10px}
.pg-guide-steps{margin:0 0 0 20px;padding:0}
.pg-guide-steps li{font-size:13px;line-height:2;color:var(--text-2)}
.pg-guide-steps b{color:var(--text)}
.pg-guide-note{margin-top:10px;background:#FFF9EC;border-left:3px solid #E8A33D;border-radius:8px;padding:9px 12px;font-size:12.5px;line-height:1.9;color:#7A5410}
.manual-hero{background:linear-gradient(135deg,#1B2A47,#2B5CE6);border-radius:16px;padding:28px 30px;color:#fff}
.manual-hero h1{font-size:23px;font-weight:600;margin-bottom:10px}
.manual-hero p{font-size:13.5px;line-height:1.9;color:#D3DDF3;max-width:640px}
.manual-hero .hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.manual-hero .hero-tags span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);border-radius:20px;padding:4px 12px;font-size:12px}
.manual-toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin-top:14px}
.manual-toc h3{font-size:13px;font-weight:600;margin-bottom:10px;color:var(--text-2)}
.manual-toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px}
.manual-toc.manual-toc-single ol{columns:1}
.manual-toc li{font-size:13px;line-height:2.1;color:var(--text-2)}
.manual-toc a{color:var(--primary);text-decoration:none}
.manual-toc a:hover{text-decoration:underline}
.manual section{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 26px;margin-top:14px}
.manual h2{font-size:17px;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.manual h2 .h2-no{background:var(--primary);color:#fff;width:24px;height:24px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;flex:none}
.manual h3{font-size:14px;font-weight:600;margin:20px 0 8px}
.manual h4{font-size:13px;font-weight:600;margin:14px 0 6px;color:var(--text-2)}
.manual p{font-size:13.5px;line-height:2;color:var(--text-2);margin:8px 0}
.manual li{font-size:13.5px;line-height:2;color:var(--text-2)}
.manual ul,.manual ol{margin:8px 0 8px 22px}
.manual strong{color:var(--text)}
.manual-fig{margin:16px 0;border:1px solid var(--line);border-radius:12px;padding:18px;background:#FBFCFE;overflow-x:auto}
.manual-fig svg{display:block;margin:0 auto;max-width:100%}
.manual-fig figcaption{font-size:12.5px;color:var(--text-3);text-align:center;margin-top:12px;line-height:1.8}
.manual-step{counter-reset:ms;margin:14px 0}
.manual-step > div{position:relative;padding:0 0 0 38px;margin-bottom:16px}
.manual-step > div::before{counter-increment:ms;content:counter(ms);position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:600;display:flex;align-items:center;justify-content:center}
.manual-step b{display:block;font-size:13.5px;margin-bottom:4px}
.manual-step p{margin:0;font-size:13px;line-height:1.9}
.manual-note{background:#FFF9EC;border-left:3px solid #E8A33D;border-radius:9px;padding:12px 16px;margin:14px 0;font-size:13px;line-height:1.9;color:#7A5410}
.manual-note.danger{background:#FEF3F2;border-left-color:#D94444;color:#8E2F2F}
.manual-note.ok{background:#F0FAF4;border-left-color:#0FA05A;color:#0A6C3D}
.manual table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}
.manual table th{background:#F6F8FC;text-align:left;padding:10px 12px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line)}
.manual table td{padding:10px 12px;border-bottom:1px solid var(--line-2);color:var(--text-2);line-height:1.8;vertical-align:top}
.manual code{background:#F1F4FA;border-radius:5px;padding:2px 6px;font-size:12.5px;color:#2A4BB0}
.manual-badge{display:inline-block;background:var(--primary-soft);color:var(--primary);border-radius:6px;padding:1px 7px;font-size:12px;font-weight:600}

/* ---------- 视觉升级 ---------- */
body{background:
  radial-gradient(1100px 520px at 102% -8%,rgba(76,123,255,.07),transparent 62%),
  radial-gradient(900px 520px at -8% 108%,rgba(122,77,240,.06),transparent 62%),
  var(--bg)}

.card{border-radius:16px;box-shadow:0 1px 2px rgba(16,30,54,.04),0 12px 30px rgba(16,30,54,.055)}
.card-pad{padding:20px 22px}
.card-head{padding:18px 22px 0}
.card-head h3{font-size:15px;letter-spacing:-.1px}

/* 侧边栏：加深加层次，去掉平铺感 */
.sidebar{position:relative;background:linear-gradient(180deg,#0A1120 0%,#101B30 46%,#0C1524 100%);
  border-right:1px solid #16233A;box-shadow:8px 0 32px rgba(8,15,30,.08)}
.sidebar::before{content:"";position:absolute;top:-90px;left:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(76,123,255,.20),transparent 66%);pointer-events:none}
.brand{position:relative;z-index:1}
.brand-mark{box-shadow:0 6px 18px rgba(76,123,255,.42);background-size:cover;background-position:center}
.nav-item{position:relative;font-size:13.5px}
.nav-item.active{background:linear-gradient(90deg,rgba(76,123,255,.28),rgba(76,123,255,.08));
  box-shadow:inset 0 0 0 1px rgba(96,140,255,.26)}
.nav-item.active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:16px;border-radius:0 3px 3px 0;background:linear-gradient(180deg,#6E9BFF,#7A4DF0)}
.nav-item.active .nav-ico{opacity:1}

/* 头像：可点击上传，带一圈光晕 */
.avatar{cursor:pointer;background-size:cover;background-position:center;box-shadow:0 0 0 2px rgba(255,255,255,.10),0 4px 12px rgba(0,0,0,.28);transition:.18s}
.avatar:hover{box-shadow:0 0 0 2px rgba(110,155,255,.65),0 6px 18px rgba(0,0,0,.32)}

/* 按钮：主色改渐变，按下有反馈 */
.btn-primary{background:linear-gradient(135deg,#2B5CE6,#4C7BFF);box-shadow:0 4px 14px rgba(43,92,230,.28)}
.btn-primary:hover{background:linear-gradient(135deg,#2450CC,#3E6DF0);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff}
.btn-ghost:hover{background:#FAFBFE;border-color:#CBD6E6}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none !important}

/* KPI 卡片：左上角一道品牌色，数字更大更聚焦 */
.kpi{position:relative;overflow:hidden;padding:19px 20px}
.kpi::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,#4C7BFF,#7A4DF0);opacity:.85}
.grid.g4 > .card.kpi:nth-child(2)::before{background:linear-gradient(90deg,#E8A33D,#F0C46A)}
.grid.g4 > .card.kpi:nth-child(3)::before{background:linear-gradient(90deg,#0FA05A,#4FC98A)}
.grid.g4 > .card.kpi:nth-child(4)::before{background:linear-gradient(90deg,#7A4DF0,#A98BFF)}
.kpi-val{font-size:30px;font-weight:680;letter-spacing:-.9px}

/* 顶栏：更轻的玻璃感 + 细阴影 */
.topbar{box-shadow:0 1px 0 rgba(15,27,45,.04),0 6px 22px rgba(15,27,45,.035)}
.page-title{letter-spacing:-.2px}

/* 表格：整行悬停高亮，读起来不费眼 */
table tbody tr{transition:background .13s}
table tbody tr:hover{background:#FAFBFE}
table th{font-size:12.5px;letter-spacing:.2px}

/* 卡片内滚动：长列表（提问清单、文章列表、选题列表）在卡片内部滚，
   而不是把整页拉得很长——翻页时表头一直留在视野里，比整页下拉舒服得多。
   表头用 sticky 吸顶，滚动时还能看清每列是什么。 */
.scroll-box{max-height:560px;overflow:auto;border-top:1px solid var(--line-2)}
.scroll-box table{margin:0}
.scroll-box thead th{position:sticky;top:0;z-index:2;background:#F4F7FD;box-shadow:inset 0 -1px 0 var(--line-2)}
.scroll-box::-webkit-scrollbar{width:10px;height:10px}
.scroll-box::-webkit-scrollbar-thumb{background:#D3DCEA;border-radius:6px}
.scroll-box::-webkit-scrollbar-thumb:hover{background:#BCC8DB}

/* 待办 / 建议卡：悬停轻微抬起 */
.advice{transition:border-color .16s,box-shadow .16s,transform .16s}
.advice:hover{border-color:#D8E2F4;box-shadow:0 6px 20px rgba(16,30,54,.06);transform:translateY(-1px)}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#D6DEEA;border-radius:8px;border:3px solid transparent;background-clip:content-box}
::-webkit-scrollbar-thumb:hover{background:#BFCBDE;background-clip:content-box}
.sidebar::-webkit-scrollbar-thumb{background:#22314B;background-clip:content-box}

/* 品牌徽标（客户 Logo / 自动生成的字标） */
.brand-badge{display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;overflow:hidden;flex:none}
.brand-badge img{width:100%;height:100%;object-fit:cover;display:block}
.nav-title{font-size:11px;color:#5C6E8C;padding:8px 10px 6px;letter-spacing:.6px}
.nav-group{margin-bottom:10px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;font-size:13.5px;color:#B3C1D8;cursor:pointer;transition:.15s;margin-bottom:2px}
.nav-item:hover{background:#16223A;color:#E4EBF7}
.nav-item.active{background:#1D3A7E;color:#fff;font-weight:500}
.nav-ico{width:16px;height:16px;flex:0 0 16px;opacity:.8}
.nav-badge{margin-left:auto;background:#2B5CE6;color:#fff;font-size:10px;border-radius:20px;padding:1px 6px}
.side-foot{margin-top:auto;padding-top:14px;border-top:1px solid #1B2638}
.user-card{display:flex;align-items:center;gap:9px;padding:7px 8px;border-radius:9px}
.avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(140deg,#4C7BFF,#7A4DF0);display:grid;place-items:center;color:#fff;font-size:12px;font-weight:600;flex:0 0 28px}
.user-name{font-size:12.5px;color:#E3EAF6}
.user-role{font-size:11px;color:#6E82A3}
.logout{margin-left:auto;font-size:11px;color:#6E82A3;padding:4px 6px;border-radius:6px}
.logout:hover{background:#1B2840;color:#DCE6F5}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:64px;flex:0 0 64px;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 26px;position:sticky;top:0;z-index:20}
.page-title{font-size:16.5px;font-weight:600}
.page-sub{font-size:12.5px;color:var(--text-3);margin-top:-1px}
.top-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.content{padding:22px 26px 48px}
.page{display:none;animation:fade .22s ease}
.page.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- 组件 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-pad{padding:18px 20px}
.card-head{display:flex;align-items:center;gap:10px;padding:16px 20px 0}
.card-head h3{font-size:14.5px;font-weight:600}
.card-head .hint{font-size:12px;color:var(--text-3)}
.card-head .right{margin-left:auto;display:flex;gap:8px;align-items:center}
.grid{display:grid;gap:14px;align-items:start}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g21{grid-template-columns:2fr 1fr}
.g12{grid-template-columns:1fr 2fr}
.mt14{margin-top:14px}
.kpi{padding:17px 18px}
.kpi-label{font-size:12.5px;color:var(--text-2)}
.kpi-val{font-size:27px;font-weight:650;letter-spacing:-.5px;margin:7px 0 5px}
.kpi-val small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:2px}
.kpi-foot{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3)}
.kpi-note{font-size:11.5px;color:var(--text-3);margin-top:7px}
.delta{display:inline-flex;align-items:center;gap:3px;font-size:12px;font-weight:600;padding:2px 7px;border-radius:20px}
.up{background:var(--green-soft);color:var(--green)}
.down{background:var(--red-soft);color:var(--red)}
.flat{background:#EEF1F6;color:var(--text-2)}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:3px 9px;border-radius:20px;background:#F1F4FA;color:var(--text-2)}
.pill.green{background:var(--green-soft);color:var(--green)}
.pill.amber{background:var(--amber-soft);color:var(--amber)}
.pill.red{background:var(--red-soft);color:var(--red)}
.pill.blue{background:var(--primary-soft);color:var(--primary)}
.pill.purple{background:var(--purple-soft);color:var(--purple)}
.pill.grey{background:#EEF1F6;color:var(--text-3)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:9px;font-size:13px;font-weight:500;transition:.15s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 3px 10px rgba(43,92,230,.25)}
.btn-primary:hover{background:#2450CC}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:#D3DBE8;color:var(--text)}
.btn-sm{padding:5px 10px;font-size:12.5px;border-radius:8px}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;font-weight:500;color:var(--text-3);padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:#FBFCFE}
td{padding:12px 14px;border-bottom:1px solid var(--line-2);font-size:13px;vertical-align:middle}
tbody tr:hover{background:#FAFBFE}
tbody tr:last-child td{border-bottom:none}
.t-main{font-weight:500}
.t-sub{font-size:11.5px;color:var(--text-3);margin-top:2px}
.num{font-variant-numeric:tabular-nums}
.tabs{display:flex;gap:4px;background:#F1F4FA;padding:3px;border-radius:9px}
.tab{padding:6px 13px;border-radius:7px;font-size:12.5px;color:var(--text-2)}
.tab.active{background:#fff;color:var(--text);font-weight:500;box-shadow:0 1px 3px rgba(16,30,54,.08)}
.bar-wrap{height:7px;background:#EEF1F6;border-radius:20px;overflow:hidden}
.bar{height:100%;border-radius:20px;background:var(--primary);transition:width .6s ease}
.bar.green{background:var(--green)}
.bar.amber{background:var(--amber)}
.bar.purple{background:var(--purple)}
.bar.grey{background:#B8C4D6}
.bar.red{background:var(--red)}
.list-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line-2)}
.list-row:last-child{border-bottom:none}
.rank-no{width:20px;height:20px;border-radius:6px;background:#F1F4FA;color:var(--text-2);font-size:11.5px;font-weight:600;display:grid;place-items:center;flex:0 0 20px}
.rank-no.top{background:var(--primary-soft);color:var(--primary)}
.advice{display:flex;gap:12px;padding:13px;border-radius:11px;background:#FBFCFE;border:1px solid var(--line-2);margin-bottom:9px}
.advice:last-child{margin-bottom:0}
.advice-ico{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;flex:0 0 28px;font-size:13px}
.advice h4{font-size:13px;font-weight:600;margin-bottom:2px}
.advice p{font-size:12.5px;color:var(--text-2);line-height:1.5}
.hint-box{font-size:12.5px;color:var(--text-2);background:#FBFCFE;border:1px dashed #DCE3EF;border-radius:11px;padding:12px 14px}
.divider{height:1px;background:var(--line-2);margin:14px 0}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:var(--text-2);margin-bottom:6px}
.field label b{color:var(--red);font-weight:400}
.field input,.field select,.field textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:9px;outline:none;background:#FBFCFE;transition:.15s;font-size:13.5px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(43,92,230,.1)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tip{background:var(--primary-soft);border-radius:10px;padding:11px 13px;font-size:12.5px;color:#2A4BB0;display:flex;gap:8px;margin-bottom:16px}
.mask{position:fixed;inset:0;background:rgba(12,20,36,.5);backdrop-filter:blur(3px);display:none;place-items:center;z-index:100;padding:24px}
.mask.show{display:grid}
.modal{background:#fff;border-radius:16px;width:100%;max-width:580px;box-shadow:0 24px 70px rgba(10,20,40,.3);overflow:hidden;animation:pop .2s ease}
@keyframes pop{from{opacity:0;transform:scale(.97) translateY(6px)}to{opacity:1;transform:none}}
.modal-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.modal-head h3{font-size:15px;font-weight:600}
.modal-body{padding:20px 22px;max-height:62vh;overflow-y:auto}
.modal-foot{padding:14px 22px;border-top:1px solid var(--line);display:flex;gap:9px;justify-content:flex-end;background:#FBFCFE}
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);background:#0F1B2D;color:#fff;padding:11px 20px;border-radius:11px;font-size:13px;box-shadow:0 12px 34px rgba(10,20,40,.3);opacity:0;pointer-events:none;transition:.25s;z-index:200}

/* ===== 站内智能助手 ===== */
.ai-fab{position:fixed;right:22px;bottom:22px;z-index:150;display:flex;align-items:center;gap:7px;
  background:linear-gradient(135deg,#2B5CE6,#4C7BFF);color:#fff;border-radius:26px;padding:11px 17px;
  font-size:13.5px;font-weight:600;box-shadow:0 10px 26px rgba(43,92,230,.34);cursor:pointer;transition:.18s;user-select:none}
.ai-fab:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(43,92,230,.42)}
.ai-fab svg{width:18px;height:18px;flex:none}
.ai-fab.hide{display:none}

.ai-panel{position:fixed;right:22px;bottom:22px;z-index:151;width:404px;max-width:calc(100vw - 32px);
  height:590px;max-height:calc(100vh - 44px);background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 24px 70px rgba(10,20,40,.28);display:flex;flex-direction:column;overflow:hidden}
.ai-head{display:flex;align-items:center;gap:10px;padding:13px 15px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#F4F8FF,#fff)}
.ai-head-ico{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2B5CE6,#4C7BFF);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:none}
.ai-head b{font-size:14px;display:block}
.ai-head span{font-size:11.5px;color:var(--text-3);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ai-x{border:0;background:transparent;font-size:22px;line-height:1;color:var(--text-3);cursor:pointer;padding:0 4px}
.ai-x:hover{color:var(--text)}
.ai-msgs{flex:1;overflow-y:auto;padding:14px 15px;background:#FBFCFE}
.ai-msg{margin-bottom:12px;display:flex;gap:8px;align-items:flex-start}
.ai-msg.me{flex-direction:row-reverse}
.ai-msg .bub{max-width:82%;padding:9px 13px;border-radius:12px;font-size:13px;line-height:1.85;word-break:break-word}
.ai-msg.me .bub{background:#2B5CE6;color:#fff;border-top-right-radius:4px}
.ai-msg.ai .bub{background:#fff;border:1px solid var(--line);border-top-left-radius:4px;color:var(--text-2)}
.ai-msg.ai .bub strong{color:var(--text)}
.ai-msg .who{width:26px;height:26px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}
.ai-msg.ai .who{background:#EEF3FF;color:#2B5CE6}
.ai-msg.me .who{background:#E9EEF8;color:#5B6B85}
.ai-quick{display:flex;gap:6px;flex-wrap:wrap;padding:0 15px 10px;background:#FBFCFE}
.ai-quick button{border:1px solid #D8E3FA;background:#fff;color:#2B5CE6;border-radius:16px;padding:5px 11px;font-size:12px;cursor:pointer}
.ai-quick button:hover{background:#F2F6FF}
.ai-input{border-top:1px solid var(--line);padding:11px 13px;display:flex;gap:9px;align-items:flex-end;background:#fff}
.ai-input textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:10px;padding:9px 11px;font-size:13px;
  font-family:inherit;line-height:1.6;outline:none;background:#FBFCFE}
.ai-input textarea:focus{border-color:#B9CCF5;background:#fff}
.ai-tip{font-size:11.5px;color:var(--text-3);margin-top:7px;line-height:1.7}
.toast.show{opacity:1;transform:translateX(-50%)}
.empty{padding:40px 20px;text-align:center;color:var(--text-3);font-size:13px}
.loading{padding:38px 20px;text-align:center;color:var(--text-3);font-size:13px}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid #D8E0EC;border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;vertical-align:-3px;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}
.err{background:var(--red-soft);color:#9B2C2C;border-radius:10px;padding:12px 14px;font-size:13px}
@media (max-width:1180px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g21,.g12,.g3{grid-template-columns:1fr}
  .login-wrap{grid-template-columns:1fr}
  .login-left{display:none}
}