* { box-sizing: border-box; }
body {
  margin: 0;
  color: #172033;
  background: #f5f7fb;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
.explainer-wrap { max-width: 960px; margin: 0 auto; padding: 18px 16px 54px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; font-size: 13px; }
.breadcrumbs a, .explainer-card a { color: var(--accent); }
.explainer-hero {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--dark), var(--accent) 62%, var(--bright));
  box-shadow: 0 18px 45px color-mix(in srgb, var(--dark) 24%, transparent);
}
.explainer-hero::after {
  position: absolute;
  right: -52px;
  top: -65px;
  width: 200px;
  height: 200px;
  border: 36px solid rgba(255,255,255,.1);
  border-radius: 50%;
  content: "";
}
.explainer-kicker { margin: 0 0 8px; color: #fff; opacity: .78; font-size: 13px; font-weight: 700; }
.explainer-hero h1 { max-width: 780px; margin: 0; font-size: 34px; line-height: 1.35; }
.explainer-hero h1 strong { color: #fef08a; }
.explainer-hero p { max-width: 760px; margin: 14px 0 0; color: #fff; opacity: .88; }
.explainer-card { margin: 18px 0; padding: 24px; border: 1px solid #dde3ea; border-radius: 16px; background: #fff; }
.explainer-card h2 { margin: 0 0 8px; font-size: 22px; }
.compare { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; margin: 18px 0; }
.compare-box { padding: 20px; border: 1px solid #dde3ea; border-radius: 14px; background: #fbfcfe; text-align: center; }
.compare-box span { display: block; color: #64748b; font-size: 13px; }
.compare-box strong { display: block; margin: 4px 0; color: var(--dark); font-size: 26px; }
.compare-arrow { color: var(--accent); font-size: 28px; font-weight: 900; }
.controls { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 10px; margin: 16px 0; }
.controls-three { grid-template-columns: 1fr 1fr auto; }
.controls label span { display: block; margin-bottom: 4px; color: #64748b; font-size: 13px; }
.controls input, .controls select, .controls button {
  width: 100%;
  min-height: 48px;
  border-radius: 10px;
  font-size: 16px;
}
.controls input, .controls select { padding: 0 12px; border: 1px solid #b8c4d1; background: #fff; }
.controls button { padding: 0 22px; border: 0; color: #fff; background: var(--accent); font-weight: 700; cursor: pointer; }
.result { padding: 18px; border: 1px solid color-mix(in srgb, var(--accent) 35%, #fff); border-radius: 13px; background: color-mix(in srgb, var(--bright) 8%, #fff); }
.result h3 { margin: 0 0 7px; font-size: 21px; }
.result strong { color: var(--dark); }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 13px; }
.metric { padding: 12px; border-radius: 10px; background: #fff; }
.metric span { display: block; color: #64748b; font-size: 12px; }
.metric strong { display: block; font-size: 20px; }
.timeline { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
.day { min-width: 45px; padding: 8px 6px; border-radius: 9px; background: #eef2f7; text-align: center; font-size: 12px; }
.day.leave { color: #fff; background: var(--accent); }
.day.holiday { color: #fff; background: var(--dark); }
.day.work { border: 1px dashed #94a3b8; background: #fff; }
.note { color: #64748b; font-size: 12px; }
.warning { padding: 12px 14px; border-left: 4px solid #f59e0b; background: #fffbeb; font-size: 13px; }
blockquote { margin: 13px 0; padding: 13px 15px; border-left: 4px solid var(--accent); background: #f8fafc; font-size: 13px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.actions a { padding: 10px 13px; border: 1px solid #bdc8d4; border-radius: 9px; text-decoration: none; font-weight: 700; }
@media (max-width: 700px) {
  .explainer-hero { padding: 26px 22px; }
  .explainer-hero h1 { font-size: 27px; }
  .compare, .metric-grid { grid-template-columns: 1fr; }
  .compare-arrow { transform: rotate(90deg); text-align: center; }
}
@media (max-width: 520px) {
  .controls, .controls-three { grid-template-columns: 1fr; }
}