:root{
  --bg:#f5f7fb;
  --panel:#ffffff;
  --line:#e8ecf4;
  --line-2:#dfe5f1;
  --text:#101828;
  --text-2:#475467;
  --muted:#98a2b3;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --primary-soft:#eff4ff;
  --ok:#12b76a;
  --ok-soft:#e8f8f0;
  --warn:#f79009;
  --warn-soft:#fef5e7;
  --danger:#f04438;
  --danger-soft:#feecea;
  --violet:#7c3aed;
  --radius:16px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow:0 4px 16px rgba(16,24,40,.06);
  --shadow-lg:0 16px 40px rgba(37,99,235,.18);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em}
code{font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;color:#475467;
  background:#f2f4f7;border-radius:6px;padding:2px 6px}
.muted{color:var(--muted)}
.hint{color:var(--muted);font-size:12.5px}

/* ============ 布局 ============ */
.app{display:flex;min-height:100vh}
.sidebar{
  width:216px;flex:0 0 216px;background:#fff;border-right:1px solid var(--line);
  position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:20px 14px 16px;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px 20px}
.brand-logo{width:34px;height:34px;border-radius:10px;flex:0 0 34px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 16px rgba(37,99,235,.3)}
.brand-text b{display:block;font-size:14.5px;font-weight:650;color:var(--text)}
.brand-text span{display:block;font-size:11.5px;color:var(--muted);margin-top:1px}

.nav{display:flex;flex-direction:column;gap:2px}
.nav-label{font-size:11px;color:var(--muted);padding:16px 10px 6px;letter-spacing:.06em}
.nav-item{
  display:flex;align-items:center;gap:10px;height:40px;padding:0 10px;border-radius:10px;
  color:var(--text-2);font-size:13.5px;cursor:pointer;user-select:none;transition:.15s;
}
.nav-item svg{width:17px;height:17px;flex:0 0 17px;opacity:.75}
.nav-item:hover{background:#f4f7fd;color:var(--text)}
.nav-item.active{
  background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;
  box-shadow:0 6px 16px rgba(37,99,235,.28);
}
.nav-item.active svg{opacity:1}
.nav-badge{margin-left:auto;font-size:11px;line-height:18px;padding:0 7px;border-radius:9px;
  background:#f2f4f7;color:var(--text-2)}
.nav-item.active .nav-badge{background:rgba(255,255,255,.24);color:#fff}
.sidebar-foot{margin-top:auto;padding:14px 10px 0;font-size:11.5px;color:var(--muted);
  display:flex;align-items:center;gap:7px;border-top:1px solid var(--line)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(18,183,106,.16)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 28px;background:transparent;position:sticky;top:0;z-index:5;
  backdrop-filter:blur(8px);background:rgba(245,247,251,.85);
}
.topbar h1{font-size:19px;font-weight:650}
.topbar-sub{font-size:12.5px;color:var(--muted);margin-top:2px}
.topbar-actions{display:flex;align-items:center;gap:10px}
.user-chip{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:4px 12px 4px 4px;box-shadow:var(--shadow-sm)}
.avatar{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12px;
  font-weight:600;color:#fff;background:linear-gradient(135deg,#2563eb,#7c3aed);flex:0 0 28px}
.content{padding:8px 28px 48px;max-width:1240px;width:100%}

/* ============ 横幅 ============ */
.hero{
  position:relative;overflow:hidden;border-radius:20px;padding:26px 30px;margin-bottom:18px;
  background:linear-gradient(120deg,#1d4ed8 0%,#2563eb 45%,#7c3aed 100%);
  box-shadow:0 18px 40px rgba(37,99,235,.25);color:#fff;
}
.hero h2{font-size:22px;font-weight:650;margin:6px 0 8px;color:#fff}
.hero p{margin:0;font-size:13.5px;color:rgba(255,255,255,.85)}
.hero p b{color:#fff}
.hero-tag{display:inline-block;font-size:11px;letter-spacing:.14em;padding:3px 10px;border-radius:999px;
  background:rgba(255,255,255,.16);color:#fff;font-weight:600}
.hero-actions{display:flex;gap:10px;margin-top:18px}
.hero-btn{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:10px;
  background:#fff;color:#1d4ed8;font-size:13px;font-weight:600;border:none;cursor:pointer;
}
.hero-btn:hover{text-decoration:none;background:#f2f6ff}
.hero-btn.ghost{background:rgba(255,255,255,.16);color:#fff}
.hero-btn.ghost:hover{background:rgba(255,255,255,.26)}
.hero-art{position:absolute;right:-40px;top:-40px;width:320px;height:320px;pointer-events:none}
.hero-art span{position:absolute;border-radius:50%;background:rgba(255,255,255,.12)}
.hero-art span:nth-child(1){width:300px;height:300px;right:0;top:0}
.hero-art span:nth-child(2){width:180px;height:180px;right:70px;top:80px;background:rgba(255,255,255,.1)}
.hero-art span:nth-child(3){width:90px;height:90px;right:180px;top:170px;background:rgba(255,255,255,.14)}

/* ============ 统计卡 ============ */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:18px}
.stat-card{
  border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:14px;color:#fff;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.stat-card.blue{background:linear-gradient(135deg,#3b82f6,#2563eb)}
.stat-card.green{background:linear-gradient(135deg,#34d399,#059669)}
.stat-card.amber{background:linear-gradient(135deg,#fbbf24,#f59e0b)}
.stat-card::after{content:"";position:absolute;right:-30px;bottom:-40px;width:120px;height:120px;
  border-radius:50%;background:rgba(255,255,255,.12)}
.stat-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:0 0 44px;
  background:rgba(255,255,255,.2)}
.stat-card b{display:block;font-size:26px;font-weight:700;line-height:1.15;color:#fff}
.stat-card span{font-size:12.5px;color:rgba(255,255,255,.86)}

/* ============ 卡片 ============ */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel{display:none}
.panel.active{display:block}
.section{padding:20px 22px;margin-bottom:16px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.section-head h2{font-size:15px;font-weight:650}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;height:34px;padding:0 14px;
  border:1px solid var(--line-2);border-radius:10px;background:#fff;color:var(--text-2);
  font:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:.15s;white-space:nowrap;
}
.btn:hover{border-color:#b9c7e6;color:var(--text);box-shadow:var(--shadow-sm)}
.btn-primary{background:linear-gradient(135deg,#2563eb,#4f46e5);border-color:transparent;color:#fff;
  box-shadow:0 6px 14px rgba(37,99,235,.25)}
.btn-primary:hover{filter:brightness(1.05);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-2)}
.btn-ghost:hover{background:#eef2fa;color:var(--text)}
.btn-danger{background:#fff;border-color:#f6c9c4;color:var(--danger)}
.btn-danger:hover{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}
.btn-sm{height:28px;padding:0 10px;font-size:12.5px;border-radius:8px}
.btn-wide{width:100%}

/* ============ 表单 ============ */
label{display:block;font-size:12.5px;color:var(--text-2);font-weight:500}
input[type=text],input[type=password],input[type=number],input[type=url],select,textarea{
  width:100%;margin-top:6px;height:38px;padding:0 12px;border:1px solid var(--line-2);border-radius:10px;
  background:#fff;color:var(--text);font:inherit;font-size:13.5px;outline:none;transition:.15s;
}
textarea{height:auto;padding:10px 12px}
input:focus,select:focus,textarea:focus{border-color:#93b4f8;box-shadow:0 0 0 4px rgba(37,99,235,.12)}
input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary);margin:0;vertical-align:-3px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.inline-form{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end}
.checkline{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2);
  height:38px;white-space:nowrap}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-2);border-radius:999px;
  padding:5px 12px;font-size:12.5px;color:var(--text-2);cursor:pointer;background:#fff;transition:.15s}
.chip:hover{border-color:#b9c7e6}
.chip:has(input:checked){border-color:#b3c6fb;background:var(--primary-soft);color:var(--primary-dark)}

/* ============ 表格 ============ */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
th{text-align:left;font-weight:500;font-size:12.5px;color:var(--muted);
  padding:11px 14px;background:#f8fafd;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child{border-radius:10px 0 0 0}
th:last-child{border-radius:0 10px 0 0}
td{padding:14px;border-bottom:1px solid #f1f4fa;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#f9fbff}

.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:500;background:#f2f4f7;color:var(--text-2)}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge-ok{background:var(--ok-soft);color:#0a8f56}
.badge-warn{background:var(--warn-soft);color:#b25e09}
.badge-danger{background:var(--danger-soft);color:#c9372c}
.badge-brand{background:var(--primary-soft);color:var(--primary-dark)}
.empty{text-align:center;color:var(--muted);padding:36px 10px;font-size:13px}
.user-cell{display:flex;align-items:center;gap:12px}
.user-cell .u-avatar{width:36px;height:36px;border-radius:50%;flex:0 0 36px;
  object-fit:cover;background:linear-gradient(135deg,#dbeafe,#ede9fe);border:1px solid #eef2f7;display:block}
.user-cell b{display:block;font-weight:600;font-size:13.5px}
.user-cell .hint{display:block;margin-top:0}

/* ============ 提示 ============ */
.alert{padding:12px 16px;border-radius:12px;font-size:13px;margin-bottom:16px;
  border:1px solid #f6d9a8;background:var(--warn-soft);color:#b25e09}
.alert-ok{border-color:#bce8d3;background:var(--ok-soft);color:#0a8f56}
.alert-err{border-color:#f7c9c4;background:var(--danger-soft);color:#c9372c}

/* ============ 流程 ============ */
.steps{display:grid;gap:12px}
.step{display:flex;gap:12px;align-items:flex-start}
.step i{flex:0 0 22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-style:normal;font-size:11.5px;font-weight:650;background:var(--primary-soft);color:var(--primary);margin-top:1px}
.step p{margin:0;font-size:13.5px;color:var(--text-2)}

/* ============ 登录 ============ */
.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(900px 500px at 10% -10%,#e0ecff 0%,transparent 55%),
             radial-gradient(700px 420px at 100% 0%,#ede9fe 0%,transparent 50%),#f5f7fb}
.auth-shell{width:100%;max-width:400px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 30px;
  box-shadow:0 24px 60px rgba(37,99,235,.12)}
.auth-card h2{font-size:22px;font-weight:650}
.auth-card .card-kicker{font-size:13px;color:var(--muted);margin:6px 0 24px}
.stack-form{display:grid;gap:16px}
.form-foot{font-size:12px;color:var(--muted);text-align:center;margin:16px 0 0}

/* ============ 验证页 ============ */
.verify-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(800px 480px at 50% -10%,#e0ecff 0%,transparent 60%),#f5f7fb}
.verify-card{width:100%;max-width:400px;padding:30px 26px;text-align:center;background:#fff;
  border:1px solid var(--line);border-radius:20px;box-shadow:0 24px 60px rgba(37,99,235,.12)}
.verify-card h1{font-size:18px;font-weight:650}
.verify-card p{margin:6px 0 0;font-size:12.5px;color:var(--muted)}
#ts-box{margin:22px auto 6px;min-height:66px;display:flex;justify-content:center}
.verify-state{margin-top:12px;font-size:13.5px;color:var(--text-2);min-height:20px}
.spinner{width:18px;height:18px;border:2px solid #e8ecf4;border-top-color:var(--primary);
  border-radius:50%;animation:spin .7s linear infinite;margin:10px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.okmark{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;margin:6px auto 12px;
  background:var(--ok-soft);color:var(--ok);font-size:21px;font-weight:700}

/* ============ 弹窗 ============ */
.fk-modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  background:rgba(16,24,40,.5);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:.15s}
.fk-modal.show{opacity:1;pointer-events:auto}
.fk-dialog{width:min(420px,calc(100vw - 32px));background:#fff;border-radius:16px;padding:24px;
  box-shadow:0 24px 60px rgba(16,24,40,.24);transform:translateY(8px);transition:.18s}
.fk-modal.show .fk-dialog{transform:none}
.fk-dialog h3{font-size:16px;font-weight:650;margin-bottom:8px}
.fk-dialog p{margin:0 0 16px;color:var(--text-2);font-size:13.5px;line-height:1.6}
.fk-actions{display:flex;justify-content:flex-end;gap:10px}

/* ============ 响应式 ============ */
@media(max-width:960px){
  .app{flex-direction:column}
  .sidebar{width:100%;flex:none;height:auto;position:static;padding:14px 12px;border-right:none;
    border-bottom:1px solid var(--line)}
  .brand{padding:0 6px 12px}
  .nav{flex-direction:row;overflow-x:auto;gap:6px;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav-label,.sidebar-foot{display:none}
  .nav-item{height:36px;white-space:nowrap;padding:0 12px}
  .nav-badge{display:none}
  .topbar{padding:0 14px;height:56px}
  .topbar-actions .btn-ghost{display:none}
  .user-chip .admin-name{display:none}
  .content{padding:6px 14px 40px}
  .hero{padding:20px;border-radius:16px}
  .hero h2{font-size:18px}
  .stats{grid-template-columns:1fr;gap:12px}
  .form-grid{grid-template-columns:1fr}
  table{min-width:700px}
  .table-wrap{overflow-x:auto}
}