:root{
  --blue:#3b82f6; --blue-deep:#2563eb; --blue-bg:#e8f1ff;
  --purple:#8b5cf6; --purple-bg:#f1eaff;
  --green:#22c55e; --green-bg:#e6f7ee;
  --red:#f43f5e; --red-bg:#ffe9ee;
  --orange:#f59e0b; --orange-bg:#fff3e0;
  --ink:#1e293b; --sub:#64748b; --line:#e8edf3;
  --page:#eef2f7; --card:#ffffff;
}
*{margin:0;padding:0;box-sizing:border-box;}
html,body{height:100%;}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--page);color:var(--ink);font-size:14px;}
.app{display:flex;height:100vh;overflow:hidden;}
button{font-family:inherit;}

/* ============ 侧边栏 ============ */
.sidebar{width:248px;min-width:248px;background:#fbfcfe;border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;}
.brand{display:flex;align-items:center;gap:10px;padding:18px 16px 12px;}
.brand-logo{width:38px;height:38px;border-radius:10px;flex-shrink:0;background:linear-gradient(135deg,#7c5cf0,#5b8def);display:flex;align-items:center;justify-content:center;color:#fff;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand-sub{font-size:12px;color:var(--sub);margin-top:1px;}
.switch{display:flex;gap:5px;background:#eef2f8;padding:4px;border-radius:10px;margin:0 14px 10px;}
.switch button{flex:1;border:none;background:transparent;padding:7px 0;border-radius:7px;font-size:12.5px;color:#64748b;cursor:pointer;font-weight:600;}
.switch button.on{background:#fff;color:var(--blue-deep);box-shadow:0 1px 4px rgba(37,99,235,.14);}
.search{padding:2px 14px 10px;}
.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 12px;color:#94a3b8;}
.search-box input{border:none;outline:none;font-size:13px;flex:1;background:transparent;color:var(--ink);}
.nav{flex:1;overflow-y:auto;padding:2px 10px 20px;}
.nav::-webkit-scrollbar{width:4px;}
.nav::-webkit-scrollbar-thumb{background:#d5dde8;border-radius:4px;}
.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;cursor:pointer;color:#334155;font-size:13.5px;user-select:none;position:relative;}
.nav-item:hover{background:#eef3fa;}
.nav-item.active{background:var(--blue-bg);color:var(--blue-deep);font-weight:600;}
.nav-item.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--blue);}
.nav-item svg{flex-shrink:0;}
.nav-item .badge{margin-left:auto;font-size:11px;background:var(--orange-bg);color:#b45309;border-radius:20px;padding:1px 7px;font-weight:700;}
.nav-group{margin-top:8px;}
.nav-group-head{display:flex;align-items:center;gap:9px;padding:8px 10px;cursor:pointer;font-weight:600;color:#334155;font-size:13.5px;border-radius:9px;user-select:none;}
.nav-group-head:hover{background:#eef3fa;}
.folder-ic{width:20px;height:20px;border-radius:6px;background:var(--blue-bg);display:flex;align-items:center;justify-content:center;color:var(--blue);flex-shrink:0;}
.arrow{margin-left:auto;color:#94a3b8;transition:transform .2s;font-size:11px;}
.nav-group.collapsed .arrow{transform:rotate(-90deg);}
.nav-group.collapsed .nav-children{display:none;}
.nav-children{padding-left:14px;}
.side-foot{padding:10px 16px 14px;border-top:1px solid var(--line);color:#94a3b8;font-size:11.5px;}

/* ============ 主区域 ============ */
.main{flex:1;overflow-y:auto;padding:26px 34px 60px;}
.main::-webkit-scrollbar{width:8px;}
.main::-webkit-scrollbar-thumb{background:#d5dde8;border-radius:8px;}
.article{max-width:900px;margin:0 auto;}
.page{max-width:1000px;margin:0 auto;}

/* 通用组件 */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff;border:none;border-radius:9px;padding:8px 16px;font-size:13.5px;cursor:pointer;font-weight:600;transition:background .15s;}
.btn:hover{background:var(--blue-deep);}
.btn.sm{padding:5px 12px;font-size:12.5px;border-radius:8px;}
.btn.ghost{background:#fff;color:var(--blue-deep);border:1px solid #cfe0fb;}
.btn.ghost:hover{background:var(--blue-bg);}
.btn.gray{background:#f1f5f9;color:#475569;}
.btn.gray:hover{background:#e2e8f0;}
.btn.danger{background:#fff;color:var(--red);border:1px solid #fecdd3;}
.btn.danger:hover{background:var(--red-bg);}
.btn[disabled]{opacity:.5;cursor:not-allowed;}
.tag{font-size:11.5px;border-radius:6px;padding:2px 8px;background:#f1f5f9;color:#475569;display:inline-block;}
.tag.ok{background:var(--green-bg);color:#15803d;}
.tag.todo{background:var(--orange-bg);color:#b45309;}
.tag.blue{background:var(--blue-bg);color:var(--blue-deep);}
.tag.purple{background:var(--purple-bg);color:#6d28d9;}
.tag.red{background:var(--red-bg);color:#be123c;}
.panel{background:#fff;border-radius:14px;border:1px solid var(--line);padding:18px 20px;margin-bottom:16px;}
.panel h3{font-size:15.5px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.panel h3 .more{font-size:12.5px;color:var(--blue-deep);cursor:pointer;font-weight:600;display:inline-flex;gap:6px;align-items:center;}
.panel h3 .more:hover{text-decoration:underline;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px;}
.stat-card{background:#fff;border-radius:13px;padding:15px 17px;border:1px solid var(--line);}
.stat-card .lab{color:var(--sub);font-size:12.5px;margin-bottom:7px;}
.stat-card .val{font-size:22px;font-weight:800;line-height:1.15;}
.stat-card .val small{font-size:12px;color:var(--sub);font-weight:500;margin-left:3px;}
.stat-card .hint{font-size:11.5px;color:#94a3b8;margin-top:5px;}
.crumb{color:var(--sub);font-size:13px;margin-bottom:14px;display:flex;gap:6px;align-items:center;flex-wrap:wrap;}
.crumb b{color:var(--blue-deep);font-weight:600;cursor:pointer;}
.crumb b:hover{text-decoration:underline;}
.empty{padding:26px 10px;text-align:center;color:#94a3b8;font-size:13px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px;}
.toolbar .spacer{flex:1;}
.pill-tabs{display:inline-flex;background:#f1f5f9;border-radius:10px;padding:3px;gap:3px;}
.pill-tabs button{border:none;background:transparent;padding:6px 14px;border-radius:8px;font-size:12.5px;color:#475569;cursor:pointer;font-weight:600;}
.pill-tabs button.on{background:#fff;color:var(--blue-deep);box-shadow:0 1px 3px rgba(15,23,42,.12);}

/* 概览 */
.dash-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap;}
.dash-head h1{font-size:23px;font-weight:800;display:flex;align-items:center;gap:8px;}
.dash-head .dsub{color:var(--sub);font-size:13px;margin-top:6px;}
.dash-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:16px;align-items:start;}
.course-item{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line);align-items:flex-start;}
.course-item:last-child{border-bottom:none;}
.course-time{font-weight:800;color:var(--blue-deep);min-width:52px;font-size:14px;}
.course-body{flex:1;}
.course-body b{font-size:14px;}
.course-tags{margin-top:5px;display:flex;gap:6px;flex-wrap:wrap;}
.progress-row{margin-bottom:14px;}
.progress-row:last-child{margin-bottom:0;}
.pr-head{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:7px;gap:10px;}
.pr-head b{font-weight:700;}
.pr-head span{color:var(--sub);white-space:nowrap;}
.bar{height:8px;background:#eef2f7;border-radius:8px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#5b8def,#3b82f6);transition:width .4s;}
.warn-box{background:#fffdf5;border:1px solid #fde68a;border-radius:12px;padding:14px 16px;margin-bottom:16px;}
.warn-box b{font-size:13.5px;display:block;margin-bottom:5px;}
.warn-box p{color:var(--sub);font-size:12.5px;line-height:1.7;}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;}
.quick-card{border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;transition:all .15s;background:#fff;}
.quick-card:hover{border-color:#cfe0fb;box-shadow:0 6px 16px rgba(37,99,235,.08);transform:translateY(-2px);}
.quick-card b{font-size:14px;display:block;margin-bottom:5px;}
.quick-card span{color:var(--sub);font-size:12px;display:block;margin-bottom:9px;line-height:1.5;}
.quick-card .qa{color:var(--blue-deep);font-size:12.5px;font-weight:700;}

/* 知识库文章 */
.hero{display:flex;gap:26px;align-items:flex-start;margin-bottom:30px;}
.hero h1{font-size:32px;line-height:1.35;font-weight:800;letter-spacing:.5px;}
.hero h1 .t-blue{color:var(--blue-deep);}
.hero p{margin-top:14px;color:#475569;line-height:1.9;max-width:420px;font-size:14.5px;}
.chip{display:inline-block;background:var(--blue-bg);color:var(--blue-deep);font-weight:700;border-radius:6px;padding:1px 7px;}
.hero-art{flex-shrink:0;margin-top:4px;}
.section{margin-bottom:26px;}
.sec-title{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.sec-num{background:var(--blue);color:#fff;font-weight:800;font-size:15px;border-radius:9px;padding:5px 11px;letter-spacing:.5px;}
.sec-title h2{font-size:21px;font-weight:800;}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.feature-card{background:var(--card);border-radius:14px;padding:16px 18px;display:flex;gap:13px;align-items:flex-start;cursor:pointer;transition:transform .15s, box-shadow .15s;border:1px solid transparent;}
.feature-card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(37,99,235,.10);border-color:#dbe7fb;}
.icon-tile{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.feature-card h3{font-size:15px;font-weight:700;margin-bottom:4px;}
.feature-card p{color:var(--sub);font-size:12.8px;line-height:1.6;}
.preview-shell{background:linear-gradient(180deg,#eaf2fe,#f4f8fe);border-radius:18px;padding:16px 18px 20px;border:1px solid #dbe7fb;}
.dots{display:flex;gap:5px;margin-bottom:12px;}
.dots span{width:8px;height:8px;border-radius:50%;background:#93b8f5;}
.wb-card{background:#fff;border-radius:14px;padding:18px 20px;box-shadow:0 4px 16px rgba(37,99,235,.06);}
.wb-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:8px;}
.wb-head h3{font-size:17px;font-weight:800;}
.wb-greet{color:var(--sub);font-size:13px;display:flex;align-items:center;gap:6px;}
.wb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.wb-item{background:#fff;border:1.5px solid #eef2f8;border-radius:13px;padding:14px 14px 13px;display:flex;flex-direction:column;gap:8px;cursor:pointer;position:relative;transition:transform .15s, box-shadow .15s, border-color .15s;}
.wb-item:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(37,99,235,.10);border-color:#cfe0fb;}
.wb-item .row1{display:flex;align-items:center;gap:9px;}
.wb-item .icon-tile{width:34px;height:34px;border-radius:9px;}
.wb-item h4{font-size:14px;font-weight:700;}
.wb-item .meta{color:var(--sub);font-size:12px;padding-left:2px;}
.wb-item .go{position:absolute;right:12px;top:16px;color:#b6c2d4;font-size:15px;font-weight:700;}
.fit-card{background:var(--card);border-radius:14px;padding:20px 22px;display:flex;gap:24px;align-items:center;}
.fit-list{flex:1;display:flex;flex-direction:column;gap:12px;}
.fit-item{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#334155;}
.fit-check{width:20px;height:20px;border-radius:50%;background:var(--blue);color:#fff;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;}

/* 列表与表单 */
.check-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;cursor:pointer;transition:background .15s;}
.check-row:hover{background:#f6f9fd;}
.check-row .box{width:19px;height:19px;border-radius:6px;border:1.8px solid #cbd5e1;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:11px;font-weight:800;transition:all .15s;}
.check-row.done .box{background:var(--green);border-color:var(--green);}
.check-row.done .txt{color:#94a3b8;text-decoration:line-through;}
.row-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.row-item:last-child{border-bottom:none;}
.row-main{flex:1;min-width:0;}
.row-main b{font-size:14px;}
.row-main .rd{color:var(--sub);font-size:12.5px;margin-top:4px;line-height:1.6;}
.row-acts{display:flex;gap:6px;flex-shrink:0;align-items:center;}
.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;}
.res-card{border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;transition:box-shadow .15s, border-color .15s;background:#fff;position:relative;}
.res-card:hover{box-shadow:0 6px 16px rgba(37,99,235,.08);border-color:#cfe0fb;}
.res-card .rt{font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.res-card .rd{color:var(--sub);font-size:12.5px;line-height:1.6;}
.res-card .rmeta{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap;}
.notice-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);align-items:flex-start;}
.notice-item:last-child{border-bottom:none;}
.notice-dot{width:9px;height:9px;border-radius:50%;margin-top:6px;flex-shrink:0;}
.notice-item b{font-size:14px;}
.notice-item .nd{color:var(--sub);font-size:12.5px;margin-top:4px;line-height:1.6;}
.notice-item .nt{margin-left:auto;color:#94a3b8;font-size:12px;flex-shrink:0;}
textarea.base,input.base,select.base{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:13.5px;font-family:inherit;color:var(--ink);outline:none;background:#fff;}
textarea.base:focus,input.base:focus,select.base:focus{border-color:#93b8f5;box-shadow:0 0 0 3px rgba(59,130,246,.08);}
textarea.base{min-height:96px;resize:vertical;line-height:1.7;}
.form-row{margin-bottom:14px;}
.form-row label{display:block;font-size:12.5px;color:#475569;font-weight:600;margin-bottom:6px;}
.form-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

/* 弹窗 */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.42);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fade .15s;}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:#fff;border-radius:16px;width:100%;max-width:520px;max-height:86vh;display:flex;flex-direction:column;box-shadow:0 24px 60px rgba(15,23,42,.25);animation:pop .18s;}
@keyframes pop{from{transform:translateY(10px) scale(.98);opacity:.6}to{transform:none;opacity:1}}
.modal.wide{max-width:760px;}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.modal-head h3{font-size:16px;font-weight:800;}
.modal-close{border:none;background:transparent;font-size:20px;color:#94a3b8;cursor:pointer;line-height:1;padding:2px 6px;border-radius:6px;}
.modal-close:hover{background:#f1f5f9;color:#475569;}
.modal-body{padding:18px 20px;overflow-y:auto;}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;}
#toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);background:#1e293b;color:#fff;padding:10px 20px;border-radius:10px;font-size:13.5px;opacity:0;pointer-events:none;transition:all .25s;z-index:120;box-shadow:0 8px 24px rgba(15,23,42,.2);max-width:80vw;}
#toast.show{opacity:1;transform:translate(-50%,0);}

/* 知识库功能页 */
.doc-hero{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin-bottom:16px;display:flex;gap:18px;align-items:flex-start;}
.doc-hero h1{font-size:22px;font-weight:800;margin-bottom:6px;}
.doc-hero p{color:var(--sub);font-size:13px;line-height:1.75;}
.doc-hero .icon-tile{width:46px;height:46px;}
.doc-link{display:inline-flex;align-items:center;gap:5px;color:var(--blue-deep);font-size:12.5px;font-weight:700;cursor:pointer;}
.doc-link:hover{text-decoration:underline;}
.result-box{background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:16px 18px;font-size:13.5px;line-height:1.9;color:#334155;}
.result-box h4{font-size:14.5px;margin-bottom:8px;}
.result-box ul{padding-left:20px;}
.result-box li{margin:4px 0;}
.chart{display:flex;align-items:flex-end;gap:10px;height:150px;padding:10px 4px 0;}
.chart .col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;height:100%;}
.chart .col i{width:100%;max-width:48px;background:linear-gradient(180deg,#93b8f5,#3b82f6);border-radius:6px 6px 0 0;min-height:2px;display:block;transition:height .4s;}
.chart .col span{font-size:11px;color:var(--sub);white-space:nowrap;}
.chart .col em{font-size:11px;color:#475569;font-style:normal;font-weight:700;}
.acc-item{border-bottom:1px solid var(--line);}
.acc-item:last-child{border-bottom:none;}
.acc-head{display:flex;align-items:center;gap:10px;padding:13px 2px;cursor:pointer;font-weight:600;font-size:14px;}
.acc-head .q{width:20px;height:20px;border-radius:6px;background:var(--blue-bg);color:var(--blue-deep);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.acc-head .ar{margin-left:auto;color:#94a3b8;font-size:11px;transition:transform .2s;}
.acc-item.open .acc-head .ar{transform:rotate(90deg);}
.acc-body{display:none;padding:0 2px 14px 30px;color:var(--sub);font-size:13px;line-height:1.85;}
.acc-item.open .acc-body{display:block;}
.prompt-card{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:12px;background:#fff;}
.prompt-card .ph{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.prompt-card .ph b{font-size:14px;}
.prompt-card .pt{background:#f8fafc;border-radius:9px;padding:11px 13px;font-size:12.8px;line-height:1.8;color:#475569;white-space:pre-wrap;}
.prompt-card .pa{display:flex;gap:8px;margin-top:10px;}
.switch-line{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);}
.switch-line:last-child{border-bottom:none;}
.switch-line .sl-main{flex:1;}
.switch-line b{font-size:13.8px;}
.switch-line .sd{color:var(--sub);font-size:12.3px;margin-top:4px;line-height:1.6;}
.toggle{width:42px;height:24px;border-radius:20px;background:#e2e8f0;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0;border:none;}
.toggle::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(15,23,42,.2);}
.toggle.on{background:var(--blue);}
.toggle.on::after{transform:translateX(18px);}
.case-card{border:1px solid var(--line);border-radius:13px;padding:16px 18px;background:#fff;}
.case-card h4{font-size:14.5px;margin-bottom:6px;}
.case-card p{color:var(--sub);font-size:12.5px;line-height:1.75;margin-bottom:10px;}
.tpl-card{border:2px solid var(--line);border-radius:14px;padding:18px;background:#fff;transition:all .15s;cursor:pointer;position:relative;}
.tpl-card:hover{border-color:#cfe0fb;box-shadow:0 8px 20px rgba(37,99,235,.08);}
.tpl-card.on{border-color:var(--blue);background:#f8fbff;}
.tpl-card h4{font-size:15px;margin-bottom:6px;}
.tpl-card p{color:var(--sub);font-size:12.5px;line-height:1.7;min-height:42px;}
.tpl-card .tpl-mod{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;}
.tpl-card .applied{position:absolute;right:14px;top:14px;font-size:11.5px;color:var(--blue-deep);background:var(--blue-bg);border-radius:20px;padding:2px 9px;font-weight:700;}

/* ============ 账号 / 云端 ============ */
.acc-card{display:flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:11px;padding:8px 9px;}
.acc-card.err{border-color:#fecdd3;background:#fff8f9;}
.acc-av{width:28px;height:28px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7c5cf0,#5b8def);color:#fff;font-size:13px;font-weight:700;}
.acc-av.big{width:44px;height:44px;font-size:17px;}
.acc-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.acc-main b{font-size:12.5px;color:#334155;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.acc-main span{font-size:11px;color:#94a3b8;display:flex;align-items:center;gap:4px;}
.acc-btn{border:1px solid #cfe0fb;background:#fff;color:var(--blue-deep);font-size:11.5px;font-weight:700;border-radius:7px;padding:4px 9px;cursor:pointer;flex-shrink:0;}
.acc-btn:hover{background:var(--blue-bg);}
.dot{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block;}
.dot.busy{background:var(--orange);animation:blink .9s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}
.acc-big{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.acc-name{font-size:15px;font-weight:800;}
.acc-sub{font-size:12px;color:var(--sub);margin-top:3px;}
.acc-rows{border:1px solid var(--line);border-radius:11px;overflow:hidden;}
.acc-row{display:flex;justify-content:space-between;padding:10px 13px;font-size:13px;color:#475569;border-bottom:1px solid var(--line);}
.acc-row:last-child{border-bottom:none;}
.acc-row b{color:#1e293b;font-weight:700;}

/* 登录弹窗 */
.login-tabs{display:flex;gap:6px;background:#eef2f8;padding:4px;border-radius:10px;margin-bottom:16px;}
.ltab{flex:1;border:none;background:transparent;padding:7px 0;border-radius:7px;font-size:13px;color:#64748b;cursor:pointer;font-weight:700;}
.ltab.on{background:#fff;color:var(--blue-deep);box-shadow:0 1px 4px rgba(37,99,235,.14);}
.form-err{color:#e11d48;font-size:12.5px;min-height:18px;margin-top:2px;}
.login-note{font-size:11.5px;color:#94a3b8;line-height:1.7;margin-top:2px;}

/* AI 流式输出 */
.ai-stream{white-space:pre-wrap;word-break:break-word;max-height:520px;overflow:auto;background:#fbfcfe;}
.ai-stream h4{font-size:14px;color:#1e293b;margin:12px 0 6px;}
.ai-stream p{margin:6px 0;}
.ai-stream ul{padding-left:20px;margin:4px 0;}
.ai-caret{display:inline-block;width:7px;height:14px;background:var(--blue);border-radius:1px;vertical-align:-2px;animation:blink .9s infinite;}
.ai-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:11.5px;color:#94a3b8;margin-top:10px;}
.ai-meta b{color:#64748b;font-weight:600;}
.hist-item{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:13px;}
.hist-item:last-child{border-bottom:none;}
.hist-item .ht{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#334155;}
.hist-item .hd{font-size:11.5px;color:#94a3b8;flex-shrink:0;}
.link-btn{border:none;background:transparent;color:var(--blue-deep);font-size:12.5px;cursor:pointer;padding:2px 4px;font-weight:600;}
.link-btn:hover{text-decoration:underline;}

@media (max-width:1180px){.dash-grid{grid-template-columns:1fr;}}
@media (max-width:1080px){
  .wb-grid{grid-template-columns:1fr 1fr;}
  .stat-row{grid-template-columns:1fr 1fr;}
  .quick-grid{grid-template-columns:1fr 1fr;}
  .resource-grid{grid-template-columns:1fr 1fr;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .hero-art{display:none;}
}
@media (max-width:820px){
  .sidebar{width:200px;min-width:200px;}
  .main{padding:18px 16px 40px;}
  .grid-2,.form-2{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
}