/* ══════════ AI实训平台 V2 设计系统 ══════════ */
:root{
  --brand:#1f56ff; --brand-2:#3b7cff; --brand-deep:#0f3ed6;
  --ink-1:#101f3c; --ink-2:#22314f; --ink-3:#5a6883; --ink-4:#98a1b6;
  --line:#e8ecf4; --bg:#f4f6fb; --card:#ffffff; --hover:#f5f8ff;
  --g-blue:linear-gradient(135deg,#3b7cff,#1f56ff);
  --g-green:linear-gradient(135deg,#0fb981,#00875a);
  --g-purple:linear-gradient(135deg,#7a5cff,#5b4bd4);
  --g-orange:linear-gradient(135deg,#ff9f43,#f07a1a);
  --g-pink:linear-gradient(135deg,#f06ab4,#c94995);
  --g-cyan:linear-gradient(135deg,#2bc0e4,#1a7fb8);
  --r-lg:16px; --r-md:12px; --r-sm:9px;
  --shadow:0 1px 2px rgba(16,31,60,.04),0 8px 24px rgba(16,31,60,.06);
  --shadow-hover:0 12px 32px rgba(23,43,84,.14);
}
html.dark{
  --ink-1:#e8ecf5; --ink-2:#c6cede; --ink-3:#94a0b8; --ink-4:#6b7690;
  --line:#2a3450; --bg:#131a2e; --card:#1b2340; --hover:#232c4d;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  --shadow-hover:0 14px 36px rgba(0,0,0,.5);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink-2);font-size:14px}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(90,104,131,.25);border-radius:99px}

/* ── 登录页 ── */
.login{min-height:100vh;display:grid;grid-template-columns:1.45fr 1fr}
.login-visual{background:linear-gradient(135deg,#1f3fd6 0%,#1f56ff 45%,#5f92ff 100%);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:70px 44px;position:relative;overflow:hidden}
.login-visual::after{content:'';position:absolute;right:-120px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.08)}
.login-visual::before{content:'';position:absolute;right:120px;top:-100px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.07)}
.login-visual .logo-row{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700}
.login-visual .logo-row i{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);display:inline-flex;align-items:center;justify-content:center;font-size:20px}
.login-visual h1{font-size:34px;line-height:1.35;margin-top:38px;font-weight:700}
.login-visual p{margin-top:16px;font-size:14.5px;opacity:.85;line-height:1.9;max-width:420px}
.login-visual .feat{display:flex;gap:12px;margin-top:40px;flex-wrap:wrap;position:relative;z-index:1}
.login-visual .feat span{font-size:12.5px;padding:8px 16px;border-radius:99px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3)}
.login-panel{display:flex;align-items:center;justify-content:center;background:var(--card)}
.login-box{width:360px}
.login-box h2{font-size:22px;color:var(--ink-1)}
.login-box .sub{font-size:13px;color:var(--ink-4);margin:8px 0 30px}
.fld{margin-bottom:16px}
.fld label{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:7px}
.fld input{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:var(--r-sm);padding:11px 14px;font-size:14px;color:var(--ink-1);outline:none;transition:.15s}
.fld input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,86,255,.12)}
.role-pick{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 20px}
.role-pick button{border:1.5px solid var(--line);background:var(--card);border-radius:var(--r-sm);padding:12px;cursor:pointer;text-align:left;transition:.15s;color:var(--ink-2)}
.role-pick button b{display:block;font-size:13.5px;color:var(--ink-1)}
.role-pick button small{font-size:11px;color:var(--ink-4)}
.role-pick button.on{border-color:var(--brand);background:rgba(31,86,255,.06);box-shadow:0 0 0 3px rgba(31,86,255,.08)}

/* ── 全局布局 ── */
.app{min-height:100vh;display:flex}
.side{width:224px;background:var(--card);border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:2px;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink-1);font-size:15px;padding:4px 10px 18px}
.side .brand i{width:30px;height:30px;border-radius:9px;background:var(--g-blue);display:inline-flex;box-shadow:0 4px 10px rgba(31,86,255,.28)}
.nav{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:13.5px;color:var(--ink-3);cursor:pointer;transition:.15s;user-select:none}
.nav:hover{background:var(--hover);color:var(--brand)}
.nav.on{background:linear-gradient(135deg,rgba(59,124,255,.14),rgba(31,86,255,.10));color:var(--brand);font-weight:600}
.side .split{height:1px;background:var(--line);margin:10px 8px}
.side .cap{font-size:11px;color:var(--ink-4);padding:8px 12px 4px;letter-spacing:.5px}
.cap-click{cursor:pointer;user-select:none;font-size:12px;color:var(--ink-3);font-weight:600;padding:9px 12px 5px}
.cap-click:hover{color:var(--brand)}
.side .foot{margin-top:auto;font-size:11px;color:var(--ink-4);padding:12px;line-height:1.8;border-top:1px dashed var(--line)}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:58px;background:color-mix(in srgb,var(--card) 88%,transparent);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 26px;position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
.crumb{font-size:13px;color:var(--ink-4)}
.crumb b{color:var(--ink-1);font-weight:600}
.top-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.top-search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:7px 16px;font-size:12.5px;color:var(--ink-4);width:220px;cursor:text}
.top-search input{border:none;background:none;outline:none;color:var(--ink-1);width:100%;font-size:12.5px}
.nav-disabled{opacity:.55}
.nav-disabled:hover{background:none;color:var(--ink-3)}

.icon-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--card);cursor:pointer;font-size:15px;display:flex;align-items:center;justify-content:center;color:var(--ink-3);transition:.15s}
.icon-btn:hover{color:var(--brand);border-color:var(--brand)}
.top-user{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);cursor:pointer;position:relative}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--g-blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.user-menu{position:absolute;right:0;top:44px;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-hover);padding:6px;min-width:170px;display:none;z-index:50}
.user-menu.open{display:block}
.user-menu div{padding:9px 12px;border-radius:8px;font-size:13px;cursor:pointer;color:var(--ink-2)}
.user-menu div:hover{background:var(--hover);color:var(--brand)}
.body{flex:1;padding:22px 26px 50px;max-width:1400px;width:100%;margin:0 auto}

/* ── 通用组件 ── */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.pane{padding:20px 22px}
.btn{display:inline-flex;align-items:center;gap:6px;border:none;border-radius:var(--r-sm);padding:9px 17px;font-size:13px;cursor:pointer;transition:.15s}
.btn-p{background:var(--g-blue);color:#fff;box-shadow:0 4px 12px rgba(31,86,255,.3)}
.btn-p:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-g{background:var(--card);border:1px solid var(--line);color:var(--ink-2)}
.btn-g:hover{border-color:var(--brand);color:var(--brand)}
.btn-danger{background:#fff1f0;border:1px solid #ffccc7;color:#e5484d}
.tag{display:inline-flex;align-items:center;font-size:11.5px;padding:2.5px 10px;border-radius:99px;font-weight:500}
.t-blue{background:rgba(31,86,255,.1);color:var(--brand)}
.t-green{background:#e6f7f0;color:#00875a}
.t-orange{background:#fff4e6;color:#c47a1d}
.t-purple{background:#efeefe;color:#5b4bd4}
.t-pink{background:#fdeaf3;color:#c94995}
.t-gray{background:rgba(138,148,171,.14);color:var(--ink-3)}
html.dark .t-green{background:rgba(15,185,129,.15)}html.dark .t-orange{background:rgba(255,159,67,.15)}
.sec-t{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--ink-1);margin-bottom:14px}
.sec-t::before{content:'';width:4px;height:15px;background:var(--g-blue);border-radius:2px}
.sec-t .more{margin-left:auto;font-size:12.5px;color:var(--ink-4);font-weight:400;cursor:pointer}
.prog{height:6px;border-radius:99px;background:var(--line);overflow:hidden}
.prog i{display:block;height:100%;border-radius:99px;background:var(--g-blue);transition:width .4s}
.prog i.green{background:var(--g-green)}
.empty{padding:50px 20px;text-align:center;color:var(--ink-4);font-size:13px}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.kpi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:16px 20px;display:flex;align-items:center;gap:13px}
.kpi-card b{font-size:20px;color:var(--ink-1)}
.kpi-card small{display:block;font-size:11.5px;color:var(--ink-4);margin-top:2px}
.kpi-card .delta{margin-left:auto;font-size:11.5px;font-weight:600}
.delta.up{color:#00875a}.delta.down{color:#e5484d}
.kpi-ic{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.ki1{background:linear-gradient(135deg,#eaf1ff,#d8e6ff);color:var(--brand)}
.ki2{background:linear-gradient(135deg,#e6f7f0,#d2f0e3);color:#00875a}
.ki3{background:linear-gradient(135deg,#fff4e6,#ffe6cc);color:#c47a1d}
.ki4{background:linear-gradient(135deg,#efeefe,#e2dcfb);color:#5b4bd4}
html.dark .ki1{background:rgba(31,86,255,.16)}html.dark .ki2{background:rgba(15,185,129,.14)}
html.dark .ki3{background:rgba(255,159,67,.14)}html.dark .ki4{background:rgba(122,92,255,.16)}

/* Hero */
.hero{border-radius:var(--r-lg);padding:26px 30px;color:#fff;position:relative;overflow:hidden;background:linear-gradient(120deg,#1f56ff 0%,#3b7cff 55%,#5f92ff 100%);box-shadow:0 14px 36px rgba(31,86,255,.25)}
.hero::after{content:'';position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.09)}
.hero::before{content:'';position:absolute;right:110px;bottom:-120px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero h2{font-size:21px;position:relative;z-index:1}
.hero p{font-size:13px;opacity:.85;margin-top:7px;position:relative;z-index:1}
.hero .stats{display:flex;gap:38px;margin-top:20px;position:relative;z-index:1;flex-wrap:wrap}
.hero .st b{font-size:22px;font-weight:700}
.hero .st span{display:block;font-size:11.5px;opacity:.8;margin-top:3px}

/* 工具卡 */
.tools3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}
.tool{border-radius:var(--r-md);padding:20px 18px;color:#fff;cursor:pointer;position:relative;overflow:hidden;transition:.18s}
.tool:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(23,43,84,.22)}
.tool b{display:block;font-size:14.5px;margin-top:8px}
.tool small{display:block;font-size:11.5px;opacity:.82;margin-top:5px}
.tool .em{font-size:24px}
.tool .go{position:absolute;right:14px;top:16px;opacity:.7;font-size:12px}
.tc1{background:linear-gradient(135deg,#6a5cff,#4436d8)}
.tc2{background:linear-gradient(135deg,#0fb981,#00875a)}
.tc3{background:linear-gradient(135deg,#ff9f43,#f07a1a)}

/* 列表条目 */
.mini-list{padding:6px 10px}
.mini-item{display:flex;align-items:center;gap:11px;padding:11px 8px;border-radius:10px;cursor:pointer;transition:.14s}
.mini-item:hover{background:var(--hover)}
.mini-item .ic{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
.ci1{background:linear-gradient(135deg,#eaf1ff,#d8e6ff);color:var(--brand)}
.ci2{background:linear-gradient(135deg,#e6f7f0,#d2f0e3);color:#00875a}
.ci3{background:linear-gradient(135deg,#efeefe,#e2dcfb);color:#5b4bd4}
html.dark .ci1{background:rgba(31,86,255,.16)}html.dark .ci2{background:rgba(15,185,129,.14)}html.dark .ci3{background:rgba(122,92,255,.16)}
.mini-item .mi{min-width:0;flex:1}
.mini-item .mi b{display:block;font-size:13px;color:var(--ink-1);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-item .mi small{display:block;font-size:11.5px;color:var(--ink-4);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini-item .rt{text-align:right;flex-shrink:0}
.mini-item .rt b{display:block;font-size:14px;color:var(--brand)}
.mini-item .rt small{font-size:10.5px;color:var(--ink-4)}
.wgrid{display:grid;grid-template-columns:1fr 340px;gap:16px;margin-top:18px;align-items:start}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* 日历 */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin-top:12px}
.cal span{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:11.5px;color:var(--ink-3)}
.cal .wk{color:var(--ink-4);font-size:10px}
.cal .due{background:#fff4e6;color:#c47a1d;font-weight:700}
.cal .done{background:rgba(31,86,255,.12);color:var(--brand)}
.cal .today{background:var(--g-blue);color:#fff;font-weight:700}
html.dark .cal .due{background:rgba(255,159,67,.18)}

/* 筛选 */
.filter-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.chip{padding:6px 15px;border-radius:99px;font-size:12.5px;background:rgba(138,148,171,.14);color:var(--ink-3);cursor:pointer;transition:.15s;user-select:none}
.chip:hover{color:var(--brand)}
.chip.on{background:rgba(31,86,255,.1);color:var(--brand);font-weight:600}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 14px;font-size:12.5px;color:var(--ink-4);width:230px}
.search input{border:none;background:none;outline:none;color:var(--ink-1);width:100%}

/* 课程卡片墙 */
.wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.course-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;cursor:pointer;transition:.18s;box-shadow:var(--shadow)}
.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d6e0f8}
.cover{height:104px;position:relative;display:flex;align-items:flex-end;padding:14px 16px}
.cover::after{content:'';position:absolute;inset:0;background:radial-gradient(120% 90% at 85% 10%,rgba(255,255,255,.25),transparent)}
.cover b{color:#fff;font-size:15px;text-shadow:0 1px 6px rgba(0,0,0,.25);position:relative;z-index:1}
.cover .badge{position:absolute;left:14px;top:12px;z-index:1;font-size:11px;padding:2px 9px;border-radius:99px;background:rgba(255,255,255,.9);color:var(--ink-2);font-weight:500}
.cv0{background:linear-gradient(135deg,#3b7cff,#1f3fd6)}.cv1{background:linear-gradient(135deg,#7a5cff,#4a37c9)}
.cv2{background:linear-gradient(135deg,#0fb981,#0a7a55)}.cv3{background:linear-gradient(135deg,#ff9f43,#e2690f)}
.cv4{background:linear-gradient(135deg,#f06ab4,#bd3f7f)}.cv5{background:linear-gradient(135deg,#2bc0e4,#1779a8)}
.course-card .meta{padding:13px 16px 14px}
.course-card .meta small{display:block;font-size:11.5px;color:var(--ink-4);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.course-card .meta small.first{font-size:12px;color:var(--ink-3)}
.course-card .foot{display:flex;align-items:center;margin-top:11px}
.course-card .ops{display:flex;gap:14px;margin-top:11px;padding-top:10px;border-top:1px dashed var(--line);font-size:12.5px}
.course-card .ops a{color:var(--brand)}.course-card .ops a.danger{color:#e5484d}

/* 课程详情 */
.dgrid{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start}
.hero-banner{display:flex;align-items:center;gap:16px;border-radius:var(--r-md);padding:20px 24px;margin-bottom:16px;color:#fff;background:linear-gradient(120deg,#1f56ff 0%,#3b7cff 60%,#5f92ff 100%)}
.hero-banner .hb-title{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700}
.hero-banner small{display:block;font-size:12px;opacity:.85;margin-top:5px}
.hero-banner .hb-btn{margin-left:auto;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);color:#fff}
.stepper{display:flex;padding:18px 22px;border-bottom:1px solid var(--line)}
.step{flex:1;text-align:center;position:relative;font-size:12px;color:var(--ink-4)}
.step::before{content:'';position:absolute;top:14px;left:-50%;width:100%;height:2px;background:var(--line);z-index:0}
.step:first-child::before{display:none}
.step .n{width:28px;height:28px;border-radius:50%;background:var(--card);border:2px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:12px;position:relative;z-index:1;margin-bottom:6px}
.step.on{color:var(--brand);font-weight:600}
.step.on .n{border-color:var(--brand);background:var(--g-blue);color:#fff}
.step.ok{color:#00875a}
.step.ok .n{border-color:#0fb981;color:#00875a}
.job{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:13px}
.job:last-of-type{border-bottom:none}
.job .ic{width:34px;height:34px;border-radius:9px;background:rgba(31,86,255,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.job .info{flex:1;min-width:0}
.job .info b{font-size:13px;color:var(--ink-1)}
.job .info small{display:block;color:var(--ink-4);font-size:11.5px;margin-top:2px}
.kv{font-size:12.5px;line-height:2.3;color:var(--ink-3)}
.kv>div{display:flex;justify-content:space-between}
.kv b{color:var(--ink-1);font-weight:600}
.gate{font-size:12.5px;color:var(--ink-3);line-height:2.1}
.gate>div{display:flex;justify-content:space-between;margin-bottom:0}
.gate .prog{margin:6px 0 10px}

/* 表格 */
.table-wrap{overflow-x:auto}
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{text-align:left;padding:12px 16px;background:var(--hover);color:var(--ink-4);font-weight:500;font-size:12px;border-bottom:1px solid var(--line);white-space:nowrap}
.table td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.table tr:hover td{background:var(--hover)}
.table .t-title{color:var(--ink-1);font-weight:600}
.rate-cell{display:inline-flex;align-items:center;gap:8px}
.rate-cell .prog{width:72px}
.rate-cell b{font-size:12px}

/* 学情 */
.bars{display:flex;flex-direction:column;gap:13px;margin-top:6px}
.bar-row{display:grid;grid-template-columns:90px 1fr 44px;gap:12px;align-items:center;font-size:12px}
.bar-row .prog{height:9px}
.bar-row .bar-val{color:var(--ink-1);font-weight:600;text-align:right}
.advice{margin-top:18px;padding:14px 16px;background:var(--hover);border-radius:10px;font-size:12.5px;color:var(--ink-3);line-height:1.8}
.advice b{color:var(--brand)}
.legend{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;font-size:11.5px;color:var(--ink-3);margin-top:14px}
.legend i{width:9px;height:9px;border-radius:3px;display:inline-block;margin-right:5px}
.radar-box{display:flex;justify-content:center}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(10,18,40,.4);z-index:90;opacity:0;transition:.2s}
.drawer-mask.open{opacity:1}
.drawer{position:fixed;right:0;top:0;bottom:0;width:440px;max-width:92vw;background:var(--card);z-index:91;box-shadow:-12px 0 40px rgba(10,18,40,.2);transform:translateX(100%);transition:.25s;display:flex;flex-direction:column}
.drawer.open{transform:none}
.drawer .d-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.drawer .d-head b{font-size:15px;color:var(--ink-1)}
.drawer .d-head .x{margin-left:auto;cursor:pointer;color:var(--ink-4);font-size:16px}
.drawer .d-body{flex:1;overflow-y:auto;padding:18px 22px}

/* Toast */
.toast{position:fixed;top:70px;left:50%;transform:translateX(-50%) translateY(-12px);background:var(--ink-1);color:#fff;font-size:13px;padding:10px 20px;border-radius:99px;z-index:99;opacity:0;transition:.25s;box-shadow:var(--shadow-hover)}
html.dark .toast{background:#3b7cff}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:#e5484d}
.toast.err.show{background:#e5484d}

.body.embed{padding:0 26px 20px}
.embed-frame{width:100%;height:calc(100vh - 96px);border:1px solid var(--line);border-radius:14px;background:#fff}

.page{display:none;animation:fade .22s ease}
.page.on{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:1100px){.wgrid,.dgrid,.cols2{grid-template-columns:1fr}.kpi-row{grid-template-columns:1fr 1fr}.login{grid-template-columns:1fr}.login-visual{display:none}}

/* ══ 工作台分类入口卡 ══ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 12px 16px;text-align:center;cursor:pointer;transition:.18s;box-shadow:var(--shadow)}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d6e0f8}
.cat-card .cat-icon{width:52px;height:52px;object-fit:contain;margin-bottom:10px}
.cat-card b{display:block;font-size:13.5px;color:var(--ink-1)}
.cat-card small{display:block;font-size:11px;color:var(--ink-4);margin-top:4px}
.cat-pop .mini-item{padding:10px 8px}
.cat-pop-ic{width:34px;height:34px;object-fit:contain;border-radius:8px;flex-shrink:0;background:var(--hover)}
@media(max-width:960px){.cat-grid{grid-template-columns:1fr 1fr}}

/* ══ 工作台分组平铺功能墙 ══ */
.cat-group{margin-bottom:16px}
.cat-group:last-child{margin-bottom:0}
.cat-group-t{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink-1);margin:2px 0 10px}
.cat-group-t::before{content:'';width:3px;height:12px;background:var(--g-blue);border-radius:2px}
.cat-group-t small{font-size:11px;color:var(--ink-4);font-weight:400}
.cat-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.cat-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 8px 12px;text-align:center;cursor:pointer;transition:.18s}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#d6e0f8}
.cat-card .cat-icon{width:40px;height:40px;object-fit:contain;margin-bottom:8px}
.cat-card b{display:block;font-size:12.5px;color:var(--ink-1);line-height:1.35}
.cat-card small{display:block;font-size:10.5px;color:var(--ink-4);margin-top:3px}
.cat-card small.t-wip{color:#c47a1d}
@media(max-width:1100px){.cat-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:700px){.cat-grid{grid-template-columns:repeat(3,1fr)}}

/* ══ 登录页功能图标墙 ══ */
.login-icons{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin-top:28px;position:relative;z-index:1;width:100%;max-width:680px}
.login-ic-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 4px 10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:12px;backdrop-filter:blur(4px);white-space:nowrap}
.login-ic-item img{width:38px;height:38px;object-fit:contain}
.login-ic-item small{font-size:10px;color:rgba(255,255,255,.92);line-height:1.3;text-align:center;white-space:nowrap;overflow:visible}