/* 云舟 · QQ 智能客服 —— 设计系统（蓝白轻玻璃 / 移动优先 / 克制） */
:root{
  --bg:#f6f9fd; --bg2:#eef3fb; --card:rgba(255,255,255,.86); --card-solid:#fff;
  --line:rgba(15,23,42,.08); --line-2:rgba(15,23,42,.12);
  --ink:#0f172a; --ink-2:#475569; --ink-3:#8a97ab; --ink-4:#aab4c5;
  --blue:#2563eb; --blue-2:#1d4ed8; --blue-soft:#eaf1ff; --blue-line:#c7dbff;
  --ok:#0f9d58; --ok-soft:#e8f7ef; --warn:#c2751b; --warn-soft:#fdf3e3;
  --danger:#d92d20; --danger-soft:#fdecea;
  --r-s:10px; --r-m:14px; --r-l:20px; --r-xl:26px;
  --sh-1:0 1px 2px rgba(15,23,42,.04), 0 6px 20px -12px rgba(15,23,42,.14);
  --sh-2:0 1px 2px rgba(15,23,42,.05), 0 18px 46px -22px rgba(15,23,42,.22);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:var(--font); color:var(--ink); background:var(--bg);
  font-size:14.5px; line-height:1.6; -webkit-font-smoothing:antialiased;
  min-height:100dvh;
}
body::before{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(900px 520px at 8% -8%, #dbeafe 0%, rgba(219,234,254,0) 62%),
    radial-gradient(760px 480px at 100% 0%, #e6f0ff 0%, rgba(230,240,255,0) 60%),
    linear-gradient(180deg,#f8fbff 0%,#f4f8fd 42%,#f1f5fb 100%);
}
a{color:var(--blue); text-decoration:none}
a:hover{color:var(--blue-2)}
h1,h2,h3,h4{margin:0; font-weight:650; letter-spacing:-.01em; line-height:1.3}
p{margin:0}
button,input,textarea,select{font:inherit; color:inherit}
::selection{background:#dbeafe}

/* 滚动条 */
*::-webkit-scrollbar{width:8px;height:8px}
*::-webkit-scrollbar-thumb{background:rgba(15,23,42,.16);border-radius:99px;border:2px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:rgba(15,23,42,.28);background-clip:content-box}
*::-webkit-scrollbar-track{background:transparent}

/* ── 通用 ───────────────────────────── */
.wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);backdrop-filter:blur(14px) saturate(1.1)}
.card-solid{background:var(--card-solid)}
.pad{padding:20px 22px}
.muted{color:var(--ink-3)}
.small{font-size:12.8px}
.mono{font-family:var(--mono)}
.hr{height:1px;background:var(--line);border:0;margin:16px 0}
.row{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.grow{flex:1;min-width:0}
.ell{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:40px;padding:0 18px;border-radius:11px;border:1px solid var(--line-2);
  background:#fff;color:var(--ink);cursor:pointer;font-weight:550;font-size:14px;
  transition:background .16s,border-color .16s,transform .12s,box-shadow .16s;
  box-shadow:0 1px 1px rgba(15,23,42,.03)}
.btn:hover{background:#fbfdff;border-color:#c9d5e6}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(180deg,#3b76f6,#2563eb);border-color:#2563eb;color:#fff;
  box-shadow:0 2px 10px -2px rgba(37,99,235,.5)}
.btn-primary:hover{background:linear-gradient(180deg,#2f6bef,#1d4ed8);border-color:#1d4ed8;color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--ink-2)}
.btn-ghost:hover{background:rgba(15,23,42,.05);border-color:transparent}
.btn-sm{height:32px;padding:0 12px;font-size:13px;border-radius:9px}
.btn-danger{background:#fff;border-color:#f3c9c5;color:var(--danger)}
.btn-danger:hover{background:var(--danger-soft)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-block{width:100%}

/* 输入 */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field > label{font-size:12.8px;color:var(--ink-2);font-weight:550}
.inp,textarea.inp,select.inp{
  width:100%;height:42px;padding:0 13px;border-radius:11px;border:1px solid var(--line-2);
  background:#fff;outline:none;transition:border-color .15s,box-shadow .15s;font-size:14px}
textarea.inp{height:auto;padding:11px 13px;resize:vertical;line-height:1.6}
.inp:focus,textarea.inp:focus,select.inp:focus{border-color:var(--blue);box-shadow:0 0 0 3.5px rgba(37,99,235,.13)}
.inp::placeholder{color:var(--ink-4)}
.hint{font-size:12.2px;color:var(--ink-3);line-height:1.5}

/* 徽标 / 标签 */
.chip{display:inline-flex;align-items:center;gap:5px;height:23px;padding:0 9px;border-radius:99px;
  font-size:12px;font-weight:550;background:var(--blue-soft);color:var(--blue-2);border:1px solid var(--blue-line)}
.chip.gray{background:#f1f5f9;color:var(--ink-2);border-color:var(--line)}
.chip.ok{background:var(--ok-soft);color:#0b7a45;border-color:#c9ebd8}
.chip.warn{background:var(--warn-soft);color:#a15c0c;border-color:#f2ddb6}
.chip.danger{background:var(--danger-soft);color:#b42318;border-color:#f6cfcb}
.dot{width:7px;height:7px;border-radius:99px;background:var(--ok);display:inline-block;flex:none}
.dot.off{background:#cbd5e1}

/* 头像 */
.ava{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;color:#fff;
  font-weight:650;font-size:14px;flex:none;letter-spacing:.02em}
.ava.lg{width:46px;height:46px;border-radius:14px;font-size:17px}
.ava.sm{width:28px;height:28px;border-radius:9px;font-size:12px}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:13.6px}
.tbl th{text-align:left;font-weight:550;color:var(--ink-3);font-size:12.4px;
  padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:rgba(37,99,235,.028)}

/* 指标 */
.kpi{display:flex;flex-direction:column;gap:2px}
.kpi .n{font-size:30px;font-weight:680;letter-spacing:-.03em;line-height:1.15;
  font-variant-numeric:tabular-nums}
.kpi .k{font-size:12.4px;color:var(--ink-3);font-weight:500}

/* Toast */
#toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:9999;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;opacity:0;
  transition:opacity .2s,transform .2s}
#toast.on{opacity:1;transform:translate(-50%,0)}
.toast-i{background:rgba(15,23,42,.9);color:#fff;padding:9px 16px;border-radius:11px;
  font-size:13.4px;box-shadow:var(--sh-2);backdrop-filter:blur(8px);max-width:82vw}
.toast-i.err{background:rgba(185,28,28,.94)}
.toast-i.ok{background:rgba(6,95,70,.94)}

/* 弹窗 */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.34);backdrop-filter:blur(3px);
  display:none;place-items:center;z-index:900;padding:18px}
.mask.on{display:grid}
.modal{background:#fff;border-radius:var(--r-xl);border:1px solid var(--line);
  box-shadow:0 30px 80px -30px rgba(15,23,42,.45);width:min(520px,100%);
  max-height:88dvh;overflow:auto;padding:24px}
.modal h3{font-size:17px;margin-bottom:4px}
.modal .m-sub{color:var(--ink-3);font-size:13px;margin-bottom:16px}

/* 空状态 */
.empty{display:grid;place-items:center;gap:8px;padding:48px 20px;color:var(--ink-3);text-align:center}
.empty svg{opacity:.55}

/* 分段控制 */
.seg{display:inline-flex;background:#eef2f9;border-radius:11px;padding:3px;gap:2px;border:1px solid var(--line)}
.seg button{border:0;background:transparent;height:30px;padding:0 14px;border-radius:8px;
  font-size:13px;color:var(--ink-2);cursor:pointer;font-weight:520}
.seg button.on{background:#fff;color:var(--blue);box-shadow:0 1px 3px rgba(15,23,42,.12);font-weight:600}

@media (max-width:640px){
  body{font-size:14px}
  .wrap{width:calc(100% - 24px)}
  .pad{padding:16px}
  .btn{height:38px;padding:0 15px}
  .kpi .n{font-size:26px}
}