/* ============================================================
   仔仔 API 开放平台 —— 样式
   极简双色：白底 + 品牌蓝
   ============================================================ */

:root {
  --brand: #4D6BFE;
  --brand-hover: #3F5AEB;
  --brand-soft: #EEF1FF;
  --brand-line: #D7DEFF;

  --ink: #0F1419;
  --ink-2: #4A5260;
  --ink-3: #8B93A1;
  --ink-4: #B4BAC5;

  --line: #E7E9EE;
  --line-2: #F1F2F5;

  --bg: #FFFFFF;
  --bg-2: #F7F8FA;
  --bg-3: #FBFBFD;

  --ok: #12A150;
  --ok-soft: #E8F7EF;
  --warn: #B45309;
  --warn-soft: #FEF6E7;
  --err: #DC2626;
  --err-soft: #FDECEC;

  --code-bg: #0F1419;
  --code-ink: #E6E9EF;

  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 20, 25, .05);
  --shadow: 0 4px 16px rgba(15, 20, 25, .07);
  --shadow-lg: 0 12px 40px rgba(15, 20, 25, .10);

  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  height: 58px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); font-weight: 650; font-size: 15px; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.brand-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}
.nav { display: flex; gap: 4px; flex: 1; }
.nav a {
  color: var(--ink-2);
  padding: 6px 11px;
  border-radius: 7px;
  font-size: 14px;
}
.nav a:hover { background: var(--bg-2); color: var(--ink); text-decoration: none; }
.nav a.on { color: var(--brand); background: var(--brand-soft); font-weight: 550; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.who {
  font-size: 13.5px; color: var(--ink-2);
  max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
form.inline { display: inline; margin: 0; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--brand-hover); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--ink-2); border-color: transparent; }
.btn-ghost:hover { background: var(--bg-2); color: var(--ink); text-decoration: none; }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--ink-4); text-decoration: none; }
.btn-danger { background: #fff; color: var(--err); border-color: #F5C9C9; }
.btn-danger:hover { background: var(--err-soft); text-decoration: none; }
.btn-sm { padding: 5px 11px; font-size: 13px; border-radius: 7px; }
.btn-lg { padding: 11px 24px; font-size: 15px; border-radius: 9px; }
.btn-block { width: 100%; }

/* ---------------- 布局 ---------------- */
.main {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  min-height: calc(100vh - 130px);
}
.main-wide { max-width: 1120px; }

.page-head { margin: 0 0 26px; }
.page-head h1 { margin: 0 0 6px; font-size: 25px; font-weight: 680; letter-spacing: -.02em; }
.page-head p { margin: 0; color: var(--ink-2); }

.section { margin: 44px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.section-head h2 { margin: 0; font-size: 17px; font-weight: 620; letter-spacing: -.01em; }
.section-head .hint { color: var(--ink-3); font-size: 13px; }

/* ---------------- 卡片 ---------------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.card-tight { padding: 0; overflow: hidden; }
.card-head {
  padding: 15px 20px;
  border-bottom: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.card-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
.card-body { padding: 20px; }

/* ---------------- Hero ---------------- */
.hero { padding: 26px 0 10px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 11px;
  background: var(--brand-soft);
  color: var(--brand);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 550;
  margin-bottom: 18px;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: 40px;
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -.03em;
}
.hero h1 .accent { color: var(--brand); }
.hero p.lead {
  margin: 0 0 26px;
  font-size: 16px;
  color: var(--ink-2);
  max-width: 620px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------------- 网格 ---------------- */
.grid { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 29px; }
}

.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--bg-3);
}
.feature h3 { margin: 0 0 6px; font-size: 14.5px; font-weight: 620; }
.feature p { margin: 0; color: var(--ink-2); font-size: 13.5px; line-height: 1.6; }
.feature .ico {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--brand-soft); color: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  margin-bottom: 12px;
}

/* ---------------- 表单 ---------------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 550; margin-bottom: 6px; color: var(--ink); }
.field .desc { font-size: 12.5px; color: var(--ink-3); margin-top: 5px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(77, 107, 254, .12);
}
input::placeholder { color: var(--ink-4); }

.auth-box { max-width: 400px; margin: 30px auto 0; }
.auth-box .card { padding: 28px; }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head h1 { margin: 0 0 6px; font-size: 22px; font-weight: 680; letter-spacing: -.02em; }
.auth-head p { margin: 0; color: var(--ink-2); font-size: 13.5px; }
.auth-foot { text-align: center; margin-top: 18px; font-size: 13.5px; color: var(--ink-2); }

/* ---------------- 提示条 ---------------- */
.flash-wrap { max-width: 1120px; margin: 16px auto 0; padding: 0 24px; }
.flash {
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 13.5px;
  margin-bottom: 8px;
  border: 1px solid transparent;
}
.flash-success { background: var(--ok-soft); color: var(--ok); border-color: #C6EBD7; }
.flash-error { background: var(--err-soft); color: var(--err); border-color: #F8D4D4; }
.flash-info { background: var(--brand-soft); color: var(--brand); border-color: var(--brand-line); }
.flash-warn { background: var(--warn-soft); color: var(--warn); border-color: #FAE3BE; }

.note {
  padding: 12px 15px;
  border-radius: 9px;
  background: var(--warn-soft);
  border: 1px solid #FAE3BE;
  color: #7C4A03;
  font-size: 13.5px;
  line-height: 1.6;
}
.note-blue { background: var(--brand-soft); border-color: var(--brand-line); color: #2F44B8; }
.note b { font-weight: 650; }

/* ---------------- 代码 ---------------- */
pre, code { font-family: var(--mono); }
pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 16px 18px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 12.8px;
  line-height: 1.7;
  margin: 0;
}
code.inline {
  background: var(--bg-2);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 12.8px;
  color: var(--ink);
}
.code-wrap { position: relative; }
.copy-btn {
  position: absolute; top: 9px; right: 9px;
  padding: 3px 9px;
  font-size: 11.5px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.07);
  color: #C9D0DB;
  cursor: pointer;
  font-family: inherit;
}
.copy-btn:hover { background: rgba(255,255,255,.14); color: #fff; }

.tabs { display: flex; gap: 2px; margin-bottom: 0; border-bottom: 1px solid var(--line); }
.tab {
  padding: 9px 15px;
  font-size: 13.5px;
  color: var(--ink-2);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.on { color: var(--brand); border-bottom-color: var(--brand); font-weight: 550; }
.tab-body { display: none; padding-top: 16px; }
.tab-body.on { display: block; }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 550;
  color: var(--ink-3);
  font-size: 12.5px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line-2);
  white-space: nowrap;
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-3); }
.td-mono { font-family: var(--mono); font-size: 12.5px; color: var(--ink-2); }
.td-empty { text-align: center; padding: 40px 16px; color: var(--ink-3); }

/* ---------------- 徽标 ---------------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 550;
  background: var(--bg-2);
  color: var(--ink-2);
}
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-err { background: var(--err-soft); color: var(--err); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-brand { background: var(--brand-soft); color: var(--brand); }

/* ---------------- 统计卡 ---------------- */
.stat {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: #fff;
}
.stat .k { font-size: 12.5px; color: var(--ink-3); margin-bottom: 6px; }
.stat .v { font-size: 25px; font-weight: 680; letter-spacing: -.02em; line-height: 1.1; }
.stat .s { font-size: 12px; color: var(--ink-3); margin-top: 5px; }

/* ---------------- 迷你柱状图 ---------------- */
.spark { display: flex; align-items: flex-end; gap: 3px; height: 56px; margin-top: 10px; }
.spark i {
  flex: 1;
  background: var(--brand-line);
  border-radius: 3px 3px 1px 1px;
  min-height: 2px;
  position: relative;
}
.spark i.has { background: var(--brand); }

/* ---------------- Key 展示 ---------------- */
.key-box {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: var(--brand-soft);
  border: 1px solid var(--brand-line);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  word-break: break-all;
  color: #1E2E8A;
}
.key-box .grow { flex: 1; }

/* ---------------- 弹窗 ---------------- */
.modal-mask {
  position: fixed; inset: 0;
  background: rgba(15, 20, 25, .38);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal-mask.on { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  padding: 26px;
  animation: pop .16s ease-out;
}
@keyframes pop { from { transform: scale(.97); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal h3 { margin: 0 0 8px; font-size: 17px; font-weight: 650; }
.modal p { margin: 0 0 18px; color: var(--ink-2); font-size: 13.5px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------------- 页脚 ---------------- */
.footer {
  border-top: 1px solid var(--line);
  padding: 22px 24px;
  background: var(--bg-3);
}
.footer-inner {
  max-width: 1120px; margin: 0 auto;
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-3);
}
.footer .dot { color: var(--ink-4); }

/* ---------------- 其他 ---------------- */
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 10px; } .mt-2 { margin-top: 18px; } .mt-3 { margin-top: 28px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 10px; } .mb-2 { margin-bottom: 18px; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.hr { height: 1px; background: var(--line-2); border: none; margin: 24px 0; }
.list-plain { list-style: none; padding: 0; margin: 0; }
.list-plain li { padding: 9px 0; border-bottom: 1px solid var(--line-2); font-size: 13.5px; }
.list-plain li:last-child { border-bottom: none; }
.docs h2 { font-size: 19px; margin: 34px 0 12px; font-weight: 640; letter-spacing: -.01em; }
.docs h3 { font-size: 15.5px; margin: 24px 0 10px; font-weight: 600; }
.docs p { color: var(--ink-2); }
.docs table { margin: 10px 0; }