/* ============================================================
   客服云授权中心 · 设计系统
   浅色为主、深色跟随系统；全部用 CSS 变量，页面只引用变量名。
   ============================================================ */

:root {
  --brand: #4f46e5;
  --brand-2: #7c6cff;
  --brand-soft: #eef0ff;
  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel-2: #fafbfe;
  --line: #e5e7f0;
  --line-2: #eef0f7;
  --text: #191b2b;
  --text-2: #5b6079;
  --muted: #8a8fa8;
  --ok: #0f9d58;
  --ok-soft: #e6f7ee;
  --warn: #d97706;
  --warn-soft: #fef4e6;
  --bad: #dc2626;
  --bad-soft: #fdecec;
  --info: #2563eb;
  --info-soft: #e8f0fe;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(20, 24, 48, .04), 0 8px 24px rgba(20, 24, 48, .06);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #8b83ff;
    --brand-2: #a89cff;
    --brand-soft: #232342;
    --bg: #0e0f18;
    --panel: #161824;
    --panel-2: #1b1e2c;
    --line: #262a3b;
    --line-2: #202333;
    --text: #eceef7;
    --text-2: #a3a8c0;
    --muted: #767c96;
    --ok: #34d399;
    --ok-soft: #10281f;
    --warn: #fbbf24;
    --warn-soft: #2a2313;
    --bad: #f87171;
    --bad-soft: #2b1717;
    --info: #60a5fa;
    --info-soft: #14203a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
p { margin: 0 0 12px; }
code, pre { font-family: var(--mono); }

/* ---------------- 基础控件 ---------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 36px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--panel); color: var(--text);
  font-size: 13px; font-weight: 550; font-family: inherit;
  cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, transform .06s, box-shadow .15s;
}
.btn:hover { background: var(--panel-2); border-color: var(--muted); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-color: transparent; color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--brand) 32%, transparent);
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.danger { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 34%, var(--line)); }
.btn.danger:hover { background: var(--bad-soft); }
.btn.sm { height: 30px; padding: 0 10px; font-size: 12px; border-radius: 7px; }
.btn.icon { width: 34px; padding: 0; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--panel-2); border-color: var(--line); }

.input, .select, .textarea {
  width: 100%; height: 36px; padding: 0 11px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--panel); color: var(--text);
  font: inherit; font-size: 13px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.textarea { height: auto; padding: 9px 11px; resize: vertical; min-height: 72px; line-height: 1.6; }
.input:focus, .select:focus, .textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 14%, transparent);
}
.input::placeholder, .textarea::placeholder { color: var(--muted); }
.field { margin-bottom: 14px; }
.field > label {
  display: block; margin-bottom: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--text-2);
}
.field .hint { margin-top: 6px; font-size: 11.5px; color: var(--muted); line-height: 1.55; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; min-width: 0; }

/* ---------------- 布局 ---------------- */

.shell { display: flex; min-height: 100vh; }
.side {
  width: 216px; flex: 0 0 216px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.side-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 16px 16px;
  border-bottom: 1px solid var(--line-2);
}
.logo {
  width: 34px; height: 34px; flex: 0 0 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px color-mix(in srgb, var(--brand) 30%, transparent);
}
.side-brand b { font-size: 14px; display: block; line-height: 1.3; }
.side-brand span { font-size: 11px; color: var(--muted); }
.side-nav { padding: 10px 8px; flex: 1; overflow: auto; }
.side-nav a {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px; margin-bottom: 2px;
  border-radius: var(--radius-sm);
  color: var(--text-2); font-size: 13px; font-weight: 500;
  text-decoration: none;
}
.side-nav a:hover { background: var(--panel-2); color: var(--text); }
.side-nav a.active {
  background: var(--brand-soft); color: var(--brand); font-weight: 600;
}
.side-nav .ico { width: 17px; text-align: center; font-size: 14px; }
.side-foot { padding: 12px; border-top: 1px solid var(--line-2); font-size: 11px; color: var(--muted); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.topbar h1 { font-size: 16px; }
.topbar .sub { font-size: 11.5px; color: var(--muted); }
.spacer { flex: 1; }
.content { padding: 20px 22px 40px; max-width: 1280px; width: 100%; }

/* ---------------- 卡片 / 表格 ---------------- */

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-2);
}
.card-head h2 { font-size: 14px; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

.stat-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-bottom: 16px;
}
.stat {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px;
}
.stat .k { font-size: 11.5px; color: var(--muted); margin-bottom: 6px; }
.stat .v { font-size: 24px; font-weight: 680; letter-spacing: -.02em; line-height: 1.1; }
.stat .v small { font-size: 12px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.stat.ok .v { color: var(--ok); }
.stat.warn .v { color: var(--warn); }
.stat.bad .v { color: var(--bad); }

.table-wrap { overflow-x: auto; }
table.tb { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tb th {
  text-align: left; font-weight: 600; font-size: 11.5px;
  color: var(--muted); text-transform: uppercase; letter-spacing: .04em;
  padding: 10px 12px; border-bottom: 1px solid var(--line);
  background: var(--panel-2); white-space: nowrap;
}
table.tb td {
  padding: 11px 12px; border-bottom: 1px solid var(--line-2);
  vertical-align: middle;
}
table.tb tr:last-child td { border-bottom: none; }
table.tb tbody tr:hover { background: var(--panel-2); }
table.tb .mono { font-family: var(--mono); font-size: 12px; }
.empty { padding: 46px 20px; text-align: center; color: var(--muted); font-size: 13px; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  height: 21px; padding: 0 8px; border-radius: 999px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.info { background: var(--info-soft); color: var(--info); }
.badge.mute { background: var(--line-2); color: var(--text-2); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------------- 分组筛选 ---------------- */

.seg {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 9px;
}
.seg button {
  height: 27px; padding: 0 11px; border: 0; border-radius: 7px;
  background: transparent; color: var(--text-2);
  font: inherit; font-size: 12px; font-weight: 550; cursor: pointer;
}
.seg button:hover { color: var(--text); }
.seg button.active { background: var(--panel); color: var(--brand); box-shadow: 0 1px 3px rgba(0, 0, 0, .08); }

/* ---------------- 弹窗 ---------------- */

.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(12, 14, 26, .48);
  display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none;
  transition: opacity .16s;
}
.modal-mask.show { opacity: 1; pointer-events: auto; }
.modal {
  width: 100%; max-width: 560px; max-height: 88vh; overflow: auto;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; box-shadow: 0 24px 64px rgba(0, 0, 0, .28);
  transform: translateY(8px) scale(.99); transition: transform .16s;
}
.modal-mask.show .modal { transform: none; }
.modal-head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px; border-bottom: 1px solid var(--line-2);
}
.modal-head h3 { font-size: 15px; }
.modal-body { padding: 18px; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 14px 18px; border-top: 1px solid var(--line-2);
  background: var(--panel-2);
}
.modal.wide { max-width: 720px; }

/* ---------------- 提示条 ---------------- */

.callout {
  display: flex; gap: 10px; padding: 11px 13px;
  border-radius: var(--radius-sm); font-size: 12.5px; line-height: 1.65;
  border: 1px solid transparent; margin-bottom: 14px;
}
.callout .ci { flex: 0 0 auto; font-size: 14px; line-height: 1.5; }
.callout.info { background: var(--info-soft); color: var(--text-2); border-color: color-mix(in srgb, var(--info) 22%, transparent); }
.callout.ok { background: var(--ok-soft); color: var(--text-2); border-color: color-mix(in srgb, var(--ok) 22%, transparent); }
.callout.warn { background: var(--warn-soft); color: var(--text-2); border-color: color-mix(in srgb, var(--warn) 26%, transparent); }
.callout.bad { background: var(--bad-soft); color: var(--text-2); border-color: color-mix(in srgb, var(--bad) 22%, transparent); }
.callout b { color: var(--text); }

.toast-wrap {
  position: fixed; right: 18px; bottom: 18px; z-index: 200;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 10px 14px; border-radius: 9px;
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: var(--shadow); font-size: 13px;
  animation: toastIn .2s ease;
  max-width: 320px;
}
.toast.ok { border-color: color-mix(in srgb, var(--ok) 40%, var(--line)); color: var(--ok); }
.toast.bad { border-color: color-mix(in srgb, var(--bad) 40%, var(--line)); color: var(--bad); }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } }

/* ---------------- 代码块 ---------------- */

pre.code {
  margin: 0 0 12px; padding: 12px 14px;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow-x: auto; font-size: 12.5px; line-height: 1.7;
  color: var(--text);
}
pre.code .c { color: var(--muted); }
code.inline {
  padding: 1px 5px; border-radius: 5px;
  background: var(--line-2); color: var(--text);
  font-size: 12px;
}
.kv { display: grid; grid-template-columns: 96px 1fr; gap: 6px 10px; font-size: 13px; }
.kv dt { color: var(--muted); font-size: 12px; }
.kv dd { margin: 0; word-break: break-all; }

/* ---------------- 登录页 ---------------- */

.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background:
    radial-gradient(900px 420px at 15% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 60%),
    radial-gradient(700px 380px at 90% 100%, color-mix(in srgb, var(--brand-2) 10%, transparent), transparent 60%),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 372px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; box-shadow: var(--shadow);
  padding: 28px 26px;
}
.login-card .logo { width: 42px; height: 42px; border-radius: 11px; font-size: 18px; margin-bottom: 16px; }
.login-card h1 { font-size: 19px; margin-bottom: 4px; }
.login-card .sub { font-size: 12.5px; color: var(--muted); margin-bottom: 22px; }
.login-card .btn.primary { width: 100%; height: 40px; font-size: 14px; margin-top: 4px; }

/* ---------------- 落地页 ---------------- */

.land { min-height: 100vh; background: var(--bg); }
.land-nav {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 28px; max-width: 1120px; margin: 0 auto;
}
.land-nav .spacer { flex: 1; }
.land-nav a { color: var(--text-2); font-size: 13px; font-weight: 500; }
.hero {
  max-width: 1120px; margin: 0 auto; padding: 44px 28px 20px;
}
.hero h1 {
  font-size: clamp(26px, 4vw, 40px); line-height: 1.25; letter-spacing: -.025em;
  margin-bottom: 14px; max-width: 780px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 15px; color: var(--text-2); max-width: 660px; margin-bottom: 22px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-actions .btn { height: 40px; padding: 0 20px; font-size: 13.5px; }
.feature-grid {
  max-width: 1120px; margin: 0 auto; padding: 14px 28px 60px;
  display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
}
.feature {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
}
.feature .fi {
  width: 32px; height: 32px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  background: var(--brand-soft); color: var(--brand);
  font-size: 15px; margin-bottom: 12px;
}
.feature h3 { font-size: 14px; margin-bottom: 6px; }
.feature p { font-size: 12.5px; color: var(--text-2); margin: 0; line-height: 1.7; }
.flow-box {
  max-width: 1120px; margin: 0 auto 40px; padding: 0 28px;
}
.flow-box .card { padding: 20px; }
.flow-box svg { width: 100%; height: auto; display: block; }

/* ---------------- 教程页 ---------------- */

.doc { max-width: 900px; margin: 0 auto; padding: 0 20px 70px; }
.doc-hero { padding: 34px 0 18px; }
.doc-hero h1 { font-size: 27px; margin-bottom: 8px; }
.doc-hero p { color: var(--text-2); font-size: 13.5px; margin: 0; }
.doc-tabs {
  display: flex; gap: 6px; padding: 4px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; margin-bottom: 22px; width: fit-content;
  position: sticky; top: 12px; z-index: 20;
  box-shadow: var(--shadow);
}
.doc-tabs button {
  height: 32px; padding: 0 16px; border: 0; border-radius: 7px;
  background: transparent; color: var(--text-2);
  font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}
.doc-tabs button.active { background: var(--brand-soft); color: var(--brand); }

.step {
  display: flex; gap: 14px; margin-bottom: 22px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
}
.step .num {
  flex: 0 0 30px; width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.step .body { flex: 1; min-width: 0; }
.step h3 { font-size: 15px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--text-2); line-height: 1.75; }
.step ul, .step ol { margin: 0 0 10px; padding-left: 20px; font-size: 13px; color: var(--text-2); line-height: 1.85; }
.step li { margin-bottom: 3px; }
.step .shot {
  margin: 12px 0 4px; border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden; background: var(--panel-2);
}
.step .shot svg { display: block; width: 100%; height: auto; }
.cap { font-size: 11.5px; color: var(--muted); margin-top: 6px; }
.copy-btn {
  position: relative; float: right; margin: -4px 0 0 8px;
}

.toc {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; margin-bottom: 22px;
}
.toc b { font-size: 12.5px; display: block; margin-bottom: 8px; }
.toc ol { margin: 0; padding-left: 20px; font-size: 12.5px; color: var(--text-2); line-height: 1.9; }

.faq details {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 8px;
}
.faq summary { cursor: pointer; font-size: 13px; font-weight: 600; }
.faq details p { margin: 8px 0 0; font-size: 12.5px; color: var(--text-2); line-height: 1.75; }

@media (max-width: 760px) {
  .side { display: none; }
  .content { padding: 14px 12px 40px; }
  .topbar { padding: 12px 14px; }
  .step { flex-direction: column; gap: 10px; }
  .hero { padding: 26px 18px 12px; }
  .feature-grid, .land-nav, .flow-box { padding-left: 18px; padding-right: 18px; }
  .row { flex-direction: column; }
  .land-nav .hide-sm { display: none; }
}

@media print {
  .side, .topbar, .doc-tabs, .land-nav, .hero-actions, .toast-wrap { display: none !important; }
  .content, .doc { padding: 0; max-width: none; }
  .step, .card, .faq details { box-shadow: none; break-inside: avoid; }
  .tabpane { display: block !important; }
}