/* ===== 全国社保计算器 样式 ===== */
:root {
  --bg: #f2f5f9;
  --card: #ffffff;
  --ink: #1f2a37;
  --ink-2: #4b5b6b;
  --ink-3: #7b8a9a;
  --line: #e3e9f0;
  --brand: #1d6fe0;
  --brand-dark: #1559b8;
  --brand-soft: #eaf2fd;
  --green: #0f9d6c;
  --green-soft: #e8f7f1;
  --orange: #d97706;
  --orange-soft: #fdf3e3;
  --red-soft: #fdeaea;
  --radio: 12px;
  --shadow: 0 1px 3px rgba(31, 42, 55, .06), 0 6px 20px rgba(31, 42, 55, .05);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 16px; }

/* ---- 顶栏 ---- */
.topbar {
  background: linear-gradient(135deg, #174ea6 0%, #1d6fe0 55%, #2e86f5 100%);
  color: #fff;
  padding: 26px 0 22px;
  box-shadow: var(--shadow);
}
.bar-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand h1 { margin: 0 0 4px; font-size: 26px; letter-spacing: 1px; }
.brand .sub { margin: 0; color: rgba(255, 255, 255, .85); font-size: 13px; }
.ver-badge {
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .35);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

/* ---- 卡片 ---- */
.card {
  background: var(--card);
  border-radius: var(--radio);
  box-shadow: var(--shadow);
  padding: 20px;
  margin: 18px 0;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.card-head h2 { margin-bottom: 14px; }

/* ---- 配置区 ---- */
.cfg-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.cfg-row + .cfg-row { margin-top: 16px; }
.cfg-item label { display: block; font-size: 12px; color: var(--ink-2); margin-bottom: 6px; font-weight: 600; }
.grow { grid-column: span 1; }
@media (max-width: 860px) {
  .cfg-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .cfg-row { grid-template-columns: 1fr; }
}

.seg { display: inline-flex; background: #eef2f7; border-radius: 9px; padding: 3px; gap: 2px; width: 100%; }
.seg button {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  font-family: inherit;
  transition: all .15s;
  white-space: nowrap;
}
.seg button.on { background: #fff; color: var(--brand-dark); font-weight: 700; box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }

select, input[type="number"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--ink);
  outline: none;
}
select:focus, input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(29, 111, 224, .14); }

.range-row { display: flex; align-items: center; gap: 10px; }
.range-row input[type="range"] { flex: 1; accent-color: var(--brand); }
.range-val { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.hint { font-size: 12px; color: var(--ink-3); margin-top: 5px; }
.period-txt {
  background: var(--brand-soft);
  color: var(--brand-dark);
  border-radius: 9px;
  padding: 8px 10px;
  font-size: 12.5px;
  line-height: 1.55;
  min-height: 37px;
  overflow-wrap: break-word;
}
.check { display: flex; align-items: center; gap: 6px; cursor: pointer; font-weight: 600; font-size: 13px; color: var(--ink); }
.check input { width: auto; accent-color: var(--brand); }
.hf-inputs { display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 13px; flex-wrap: wrap; }
.hf-inputs input { width: 64px; }

/* ---- 结果区 ---- */
.notice {
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 13px;
  background: var(--orange-soft);
  color: #8a4b08;
  border: 1px solid #f3d9a8;
}
.notice.warn-missing { background: var(--red-soft); color: #9b1c1c; border-color: #f0c4c4; }
.hidden { display: none !important; }

.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
@media (max-width: 760px) { .summary { grid-template-columns: repeat(2, 1fr); } }
.sum-card {
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.sum-card .k { font-size: 12px; color: var(--ink-3); }
.sum-card .v { font-size: 22px; font-weight: 700; color: var(--ink); margin-top: 2px; }
.sum-card .s { font-size: 12px; color: var(--ink-3); }
.sum-card.hl { background: var(--brand-soft); border-color: #c7dcf8; }
.sum-card.hl .v { color: var(--brand-dark); }
.sum-card.green { background: var(--green-soft); border-color: #bce7d5; }
.sum-card.green .v { color: var(--green); }

.table-wrap { overflow-x: auto; }
table.calc {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 640px;
}
table.calc th, table.calc td {
  border: 1px solid var(--line);
  padding: 9px 10px;
  text-align: right;
  white-space: nowrap;
}
table.calc th:first-child, table.calc td:first-child { text-align: left; }
table.calc thead th { background: #f4f7fb; color: var(--ink-2); font-weight: 600; }
table.calc tbody tr:nth-child(even) { background: #fafcfe; }
table.calc tfoot td {
  font-weight: 700;
  background: var(--brand-soft);
  color: var(--brand-dark);
}
table.calc .na { color: var(--ink-3); font-style: italic; }
table.calc tbody tr.row-missing td { background: #fff7f7; color: #9b1c1c; }
.row-note { font-size: 12px; color: var(--ink-3); margin-top: 8px; }

/* ---- 对比区 ---- */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 760px) { .compare-grid { grid-template-columns: 1fr; } }
.cmp {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.cmp .cmp-head { padding: 10px 14px; font-weight: 700; font-size: 14px; background: #f4f7fb; }
.cmp.a .cmp-head { background: #fff8ed; color: #8a4b08; }
.cmp.b .cmp-head { background: var(--brand-soft); color: var(--brand-dark); }
.cmp table { width: 100%; border-collapse: collapse; font-size: 13px; }
.cmp td { padding: 7px 14px; border-top: 1px solid var(--line); }
.cmp td:first-child { color: var(--ink-2); }
.cmp td:last-child { text-align: right; font-weight: 600; }
.cmp .tot td { background: #f8fafc; font-weight: 700; }

.diff-panel {
  margin-top: 14px;
  border-radius: 10px;
  background: var(--green-soft);
  border: 1px solid #bce7d5;
  padding: 12px 16px;
  font-size: 13.5px;
  color: #0b5c3f;
}
.diff-panel b { font-size: 15px; }
.diff-panel.red { background: #fdf3e3; border-color: #f0d9a8; color: #7a4a06; }

/* ---- 按钮 ---- */
.btn {
  border: 0;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  padding: 8px 16px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--brand-dark); }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--ink-2); }
.btn.ghost:hover { border-color: var(--brand); color: var(--brand-dark); }

/* ---- FAQ ---- */
.faq details { border: 1px solid var(--line); border-radius: 9px; margin-bottom: 8px; padding: 10px 14px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 13.5px; }
.faq details p { margin: 8px 0 2px; color: var(--ink-2); font-size: 13px; }

/* ---- 数据说明 ---- */
.data-note .src-item { font-size: 12.5px; color: var(--ink-2); margin: 3px 0; overflow-wrap: break-word; }
.data-note .src-item a { color: var(--brand); text-decoration: none; }
.data-note .src-item a:hover { text-decoration: underline; }
.data-note ul { margin: 6px 0; padding-left: 18px; }
.data-note li { font-size: 13px; color: var(--ink-2); margin: 3px 0; }
.data-note h4 { margin: 14px 0 6px; font-size: 14px; }

.foot { padding: 22px 0 34px; color: var(--ink-3); font-size: 12px; }
.foot p { margin: 6px 0; }

/* ---- 打印 ---- */
@media print {
  body { background: #fff; font-size: 12px; }
  .topbar { background: #f4f7fb !important; color: #000; padding: 10px 0; }
  .ver-badge, .btn, .seg, select, input, .range-row, .hint, .foot, #printBtn { display: none !important; }
  .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; margin: 10px 0; padding: 12px; }
  .summary { grid-template-columns: repeat(4, 1fr); }
}