:root{
    --bg:#f5f7ff;--panel:#ffffff;--fg:#1f2937;--mut:#6b7280;--line:#e8ecf7;
    --acc:#2f6fed;--acc-soft:#eaf1ff;--yellow:#ffd84d;--yellow-ink:#5a4600;
    --pass:#16a34a;--warn:#d97706;--fail:#dc2626;--redbg:#fef2f2;
    --shadow:0 6px 20px rgba(47,111,237,.08);
  }
  [data-theme="dark"]{
    --bg:#0b111c;--panel:#151d2b;--fg:#e6ebf2;--mut:#93a1b8;--line:#26324a;
    --acc:#4c8dff;--acc-soft:#122238;--pass:#34d399;--warn:#fbbf24;--fail:#f87171;--redbg:#2a1518;
    --shadow:0 6px 20px rgba(0,0,0,.35);
  }
  *{box-sizing:border-box}
  body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 -apple-system,"Microsoft YaHei",Segoe UI,sans-serif}
  .topbar{height:64px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:20}
  .brand{font-size:22px;font-weight:800;color:var(--acc);letter-spacing:.5px}
  .brand small{font-size:11px;color:var(--mut);font-weight:600;margin-left:6px;letter-spacing:0}
  .top-right{display:flex;align-items:center;gap:10px}
  .quota{background:var(--acc-soft);color:var(--acc);border-radius:999px;padding:6px 12px;font-size:13px;display:flex;align-items:center;gap:6px}
  .quota .info{opacity:.6;cursor:help}
  .btn-yellow{background:var(--yellow);color:var(--yellow-ink);border:0;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer}
  .icon-btn{background:transparent;border:0;color:var(--mut);font-size:17px;cursor:pointer;padding:6px;border-radius:8px}
  .icon-btn:hover{background:var(--acc-soft);color:var(--acc)}
  .avatar{width:32px;height:32px;border-radius:50%;background:var(--acc);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}
  .layout{display:flex;min-height:calc(100vh - 64px)}
  .sidebar{width:214px;background:var(--panel);border-right:1px solid var(--line);padding:18px 12px;flex-shrink:0}
  .nav{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:transparent;color:var(--fg);border:0;padding:11px 12px;border-radius:10px;font-size:14px;cursor:pointer;margin-bottom:4px}
  .nav:hover{background:var(--acc-soft);color:var(--acc)}
  .nav.active{background:var(--acc-soft);color:var(--acc);font-weight:700}
  .nav-muted{color:#6b7280 !important}
  [data-theme="dark"] .nav-muted{color:#8b95a8 !important}
  .nav-sep{height:1px;background:var(--line);margin:12px 6px}
  .main{flex:1;padding:26px 30px 80px;max-width:1180px;margin:0 auto}
  .view{display:none}.view.active{display:block}
  .welcome{position:relative;overflow:hidden;border-radius:20px;padding:44px 20px 38px;text-align:center;background:linear-gradient(135deg,#f7f9ff 0%,#edf2ff 55%,#e6eeff 100%);border:1px solid #e8eeff;margin-bottom:22px}
  [data-theme="dark"] .welcome{background:linear-gradient(135deg,#0f1726,#132038);border-color:#22304a}
  .welcome h1{margin:0 0 8px;font-size:30px;letter-spacing:1px}
  .welcome p{margin:0;color:var(--mut);font-size:14px}
  .welcome .blob{position:absolute;border-radius:50%;opacity:.5}
  .welcome .b1{width:180px;height:180px;right:-40px;top:-50px;background:radial-gradient(circle,#c9d9ff,#eef3ff 70%)}
  .welcome .b2{width:120px;height:120px;right:60px;bottom:-50px;background:radial-gradient(circle,#dce7ff,#f2f6ff 70%)}
  [data-theme="dark"] .welcome .b1{background:radial-gradient(circle,#1b2c4d,#132038 70%)}
  [data-theme="dark"] .welcome .b2{background:radial-gradient(circle,#1a2a47,#132038 70%)}
  .guide-title{font-size:15px;font-weight:700;margin:0 0 14px}
  .guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
  .guide-grid.four{grid-template-columns:repeat(4,1fr);gap:12px}
  .guide-grid.four .guide-card{padding:16px 16px 14px}
  .guide-grid.four .gc-icon{width:36px;height:36px;font-size:18px;margin-bottom:8px}
  .guide-grid.four .gc-title{font-size:14px}
  .guide-grid.four .gc-desc{min-height:0;font-size:12px}
  .group-bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0}
  .group-bar input{max-width:220px}.group-bar select{max-width:220px}
  .kb-cards{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 6px}
  .kb-card{border:1px solid var(--line);border-radius:10px;padding:9px 14px;cursor:pointer;background:var(--panel);font-size:13px;transition:.15s}
  .kb-card:hover{border-color:var(--acc)}
  .kb-card.active{border-color:var(--acc);background:var(--acc-soft);color:var(--acc);font-weight:600}
  .kb-card .n{color:var(--mut);font-size:12px;margin-left:6px}
  @media(max-width:860px){.guide-grid.four{grid-template-columns:1fr 1fr}}
  .guide-card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 22px 18px;cursor:pointer;transition:.18s;box-shadow:var(--shadow);overflow:hidden}
  .guide-card:hover{transform:translateY(-3px);border-color:#c9d9ff}
  .gc-num{position:absolute;top:12px;right:18px;font-size:44px;font-weight:800;color:var(--acc-soft);line-height:1;user-select:none}
  .gc-icon{width:44px;height:44px;border-radius:12px;background:var(--acc-soft);color:var(--acc);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
  .gc-title{font-size:17px;font-weight:700;margin-bottom:6px}
  .gc-desc{color:var(--mut);font-size:13px;min-height:40px}
  .gc-arrow{position:absolute;right:20px;bottom:16px;color:var(--acc);font-size:20px}
  .wide-card{display:flex;align-items:center;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 22px;cursor:pointer;box-shadow:var(--shadow);margin-bottom:18px}
  .wide-card:hover{border-color:#c9d9ff}
  .wide-card .gc-icon{margin:0;flex-shrink:0}
  .wide-card .gc-arrow{position:static;margin-left:auto}
  .card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}
  .step-h{font-size:16px;font-weight:700;margin:0 0 12px;display:flex;align-items:center;gap:8px}
  .step-h .num{width:24px;height:24px;border-radius:50%;background:var(--acc);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px}
  .sub-h{font-size:14px;font-weight:600;margin:18px 0 8px}
  .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
  input[type=text],textarea,select{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 10px;font:inherit;background:var(--panel);color:var(--fg)}
  textarea{min-height:72px}
  button{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer}
  button.ghost{background:transparent;color:var(--acc);border:1px solid var(--acc)}
  .meta{color:var(--mut);font-size:13px}
  .hint{background:var(--acc-soft);border:1px solid #d6e4ff;border-radius:10px;padding:12px 14px;font-size:13px;color:var(--fg);margin-top:12px;line-height:1.75}
  .hint b{color:var(--acc)}.hint ul{margin:6px 0 0;padding-left:20px}.hint .warn{color:var(--warn)}
  .err{background:var(--redbg);border:1px solid #fecaca;color:var(--fail);padding:12px 14px;border-radius:10px;margin-bottom:16px}
  .statusbar{min-height:20px;color:var(--acc);font-size:13px;margin:-4px 0 12px}
  .summary{display:flex;gap:22px;flex-wrap:wrap;align-items:baseline}
  .summary .big{font-size:28px;font-weight:700}
  .k{color:var(--mut);font-size:12px}
  .risk{background:var(--redbg);border:1px solid #fecaca;border-radius:10px;padding:12px 14px;margin-bottom:10px}
  .risk .t{color:var(--fail);font-weight:600}.risk .s{color:var(--fail);font-size:13px;margin-top:3px;opacity:.85}
  table{width:100%;border-collapse:collapse;font-size:14px;margin-top:6px}
  th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
  th{color:var(--mut);font-weight:600;font-size:13px;background:var(--acc-soft)}
  .snip{color:var(--mut);font-size:13px;max-width:360px}
  .page{color:var(--acc);white-space:nowrap}
  .chip{display:inline-block;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600}
  .chip.pass{background:rgba(22,163,74,.12);color:var(--pass)}
  .chip.warn{background:rgba(217,119,6,.12);color:var(--warn)}
  .chip.fail{background:rgba(220,38,38,.12);color:var(--fail)}
  .chip.na{background:var(--acc-soft);color:var(--acc)}
  .proj{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}
  .proj:hover{color:var(--acc)}
  .hist-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}
  .hist-row:hover{color:var(--acc)}
  .hist-chk{display:none;width:16px;height:16px;accent-color:var(--acc);flex-shrink:0}
  #projects.managing .hist-chk{display:inline-block}
  .hist-main{flex:1;display:flex;justify-content:space-between;gap:10px;min-width:0}
  .hist-main span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hist-del{display:none;color:var(--fail);font-size:13px;flex-shrink:0}
  #projects.managing .hist-del{display:inline-block}
  .empty{color:var(--mut);font-size:13px;padding:6px 0}
  .dropzone{border:2px dashed #9db8ff;background:#f7faff;border-radius:12px;padding:20px;text-align:center;cursor:pointer;transition:.15s;color:#1f2937}
  .dropzone:hover{background:#eef4ff;border-color:#2f6fed}
  .dropzone.drag{background:#e3edff;border-color:#2f6fed;box-shadow:0 0 0 3px rgba(47,111,237,.18)}
  .dz-icon{font-size:24px}.dz-text{font-weight:600;margin-top:4px;color:#1f2937}.dz-sub{color:#5b6b82;font-size:12px;margin-top:2px}
  .gallery{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
  .thumb{width:132px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel);position:relative}
  .thumb img{width:100%;height:92px;object-fit:cover;display:block}
  .thumb .cap{font-size:11px;color:var(--mut);padding:5px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .thumb .del{position:absolute;top:4px;right:6px;background:rgba(0,0,0,.55);color:#fff;border-radius:50%;width:18px;height:18px;line-height:18px;text-align:center;font-size:12px;cursor:pointer}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .form-grid .full{grid-column:1/-1}
  .field label{display:block;font-size:13px;color:var(--mut);margin-bottom:4px;font-weight:600}
  .page-title{font-size:20px;font-weight:700;margin:0 0 2px}
  .page-sub{color:var(--mut);font-size:13px;margin-bottom:16px}
  .two-col{display:grid;grid-template-columns:260px 1fr;gap:16px}
  .cat{padding:12px;border-radius:10px;cursor:pointer;margin-bottom:6px;border:1px solid transparent;font-size:14px}
  .cat:hover{background:var(--acc-soft)}
  .cat.active{background:var(--acc-soft);color:var(--acc);font-weight:700;border-color:#c9d9ff}
  .cat span{display:block;font-size:12px;color:var(--mut);font-weight:400;margin-top:2px}
  .feature-row{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:16px;color:var(--acc);font-size:13px}
  @media(max-width:860px){.two-col{grid-template-columns:1fr}}
  @media(max-width:860px){.layout{flex-direction:column}.sidebar{width:auto;border-right:0;border-bottom:1px solid var(--line);display:flex;gap:6px;overflow:auto;padding:10px}.nav{width:auto;white-space:nowrap}.main{padding:16px}.guide-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.welcome h1{font-size:22px}}

/* P1: 全局加载态 */
#busyMask{display:none;position:fixed;inset:0;background:rgba(15,23,42,.28);z-index:250;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:#fff;font-size:14px;backdrop-filter:blur(1px)}
#busyMask .spinner{width:28px;height:28px;border:3px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
button:disabled{opacity:.6;cursor:not-allowed}

/* toast 提示（替代 alert） */
#toastBox{position:fixed;top:72px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{min-width:200px;max-width:420px;padding:10px 16px;border-radius:10px;font-size:13px;line-height:1.6;box-shadow:0 8px 24px rgba(15,23,42,.18);border:1px solid var(--line);background:var(--panel);color:var(--fg);opacity:0;transform:translateY(-8px);transition:opacity .25s,transform .25s}
.toast.show{opacity:1;transform:translateY(0)}
.toast.ok{border-left:3px solid var(--acc)}
.toast.warn{border-left:3px solid #f59e0b}
.toast.err{border-left:3px solid var(--fail)}

/* AI 可信度标识 */
.trust-badge{display:inline-block;font-size:11px;font-weight:600;color:var(--acc);background:var(--acc-soft);border-radius:999px;padding:2px 9px;margin-left:6px;vertical-align:middle}
.cred-para{display:flex;gap:8px;align-items:flex-start;margin-top:8px;line-height:1.75}
.cred-tag{flex-shrink:0;font-size:11px;font-weight:600;border-radius:6px;padding:2px 8px;margin-top:2px;white-space:nowrap}
.cred-tag.cred-ok{background:rgba(22,163,74,.13);color:var(--pass)}
.cred-tag.cred-warn{background:rgba(217,119,6,.14);color:var(--warn)}
.cred-tag.cred-todo{background:rgba(220,38,38,.12);color:var(--fail)}
.cred-text{white-space:pre-wrap;flex:1}
.cred-para.cred-warn-row .cred-text{border-left:2px solid rgba(217,119,6,.4);padding-left:8px}
.cred-para.cred-todo-row .cred-text{border-left:2px solid rgba(220,38,38,.4);padding-left:8px}

/* 任务闭环引导 */
.next-steps{margin:14px 0 6px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--acc-soft)}
.next-steps .ns-title{font-size:13px;font-weight:700;color:var(--acc);margin-bottom:8px}
.next-steps .ns-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.ns-chip{font-size:13px;border-radius:999px;padding:7px 14px;border:1px solid var(--line);background:var(--panel);color:var(--fg);cursor:pointer;transition:.15s}
.ns-chip:hover{border-color:var(--acc);color:var(--acc)}
.ns-chip.primary{background:var(--acc);color:#fff;border-color:var(--acc)}
.ns-chip.primary:hover{opacity:.9;color:#fff}
.ns-chip.warn{border-color:var(--warn);color:var(--warn)}
.ns-chip.done{cursor:default;color:var(--pass);border-color:rgba(22,163,74,.4);background:rgba(22,163,74,.1)}

/* 空状态冷启动 CTA */
.empty-cold{text-align:center;padding:26px 18px;border:1px dashed var(--line);border-radius:12px;background:var(--acc-soft)}
.empty-cold .ec-title{font-size:15px;font-weight:700;color:var(--fg);margin-bottom:6px}
.empty-cold .ec-desc{font-size:13px;color:var(--mut);line-height:1.7;margin:0 auto 14px;max-width:420px}
.empty-cold button.primary{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:9px 18px;font-size:14px;cursor:pointer}

/* AI 防伪拦截 */
.fraud-box{margin:10px 0 6px;padding:12px 14px;border:1px solid rgba(220,38,38,.35);border-radius:10px;background:var(--redbg)}
.fraud-box .fraud-title{font-size:13px;font-weight:700;color:var(--fail);margin-bottom:8px}
.fraud-item{margin:6px 0;font-size:13px}
.fraud-item code{background:var(--panel);padding:1px 6px;border-radius:4px;font-size:12px}
.fraud-item .meta{margin-top:2px}

/* 数据出境告知同意 */
.consent-banner{display:flex;align-items:center;gap:14px;padding:12px 16px;margin-bottom:16px;border:1px solid rgba(217,119,6,.4);border-radius:10px;background:rgba(217,119,6,.1)}
.consent-banner .consent-text{flex:1;font-size:13px;line-height:1.7;color:var(--fg)}
.consent-banner .consent-ok{flex-shrink:0;background:var(--warn);color:#fff;border:0;border-radius:8px;padding:8px 16px;font-size:13px;cursor:pointer}

/* 免责声明 */
.disclaimer{font-size:12px;color:var(--mut);line-height:1.7;padding:10px 12px;border:1px dashed var(--line);border-radius:8px;margin-top:12px}

/* P1: 移动端适配 */
.nav-toggle{display:none}
@media(max-width:860px){
  .nav-toggle{display:inline-flex}
  .layout{display:block}
  .sidebar{position:fixed;left:0;top:64px;bottom:0;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:0 10px 30px rgba(0,0,0,.25)}
  .sidebar.open{transform:none}
  .main{padding:16px;max-width:none}
  .guide-grid,.guide-grid.four{grid-template-columns:1fr}
  .topbar{padding:0 12px}
  table{display:block;overflow-x:auto;white-space:nowrap}
  .summary{gap:12px}
}

/* P0-5: 审批待办角标 */
.nav-badge{display:inline-block;min-width:18px;height:18px;line-height:18px;padding:0 5px;margin-left:6px;
  border-radius:9px;background:var(--fail);color:#fff;font-size:11px;font-weight:700;text-align:center;vertical-align:middle}

/* P1-01: 长任务进度条 */
.task-line{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;font-size:12.5px}
.pbar{height:6px;background:var(--line);border-radius:3px;overflow:hidden}
.pbar>i{display:block;height:100%;background:var(--acc);transition:width .3s ease}

/* P2-03: 反馈悬浮按钮与弹窗 */
#fbFab{position:fixed;right:20px;bottom:22px;z-index:40;border:0;border-radius:22px;
  padding:10px 16px;font-size:13px;background:var(--acc);color:#fff;cursor:pointer;
  box-shadow:0 6px 20px rgba(44,77,121,.28)}
#fbFab:hover{filter:brightness(1.06)}
#fbModal{position:fixed;inset:0;z-index:60;background:rgba(15,20,28,.45);
  display:flex;align-items:center;justify-content:center;padding:16px}
#fbModal .fb-card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;width:min(560px,100%);max-height:88vh;overflow:auto}