:root {
  --oa-bg: #f5f8ff;
  --oa-panel: #ffffff;
  --oa-ink: #172033;
  --oa-muted: #667085;
  --oa-line: #dfe7f4;
  --oa-blue: #2f7df6;
  --oa-shadow: 0 18px 46px rgba(31, 56, 104, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--oa-ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(219, 234, 254, .76), transparent 30%),
    radial-gradient(circle at 92% 10%, rgba(251, 207, 232, .22), transparent 28%),
    var(--oa-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

button, a { -webkit-tap-highlight-color: transparent; }

.oa-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px max(20px, calc((100vw - 1080px) / 2));
  background: rgba(255, 255, 255, .88);
  border-bottom: 1px solid rgba(223, 231, 244, .86);
  backdrop-filter: blur(18px);
}

.oa-brand { display: flex; align-items: center; gap: 11px; }
.oa-brand img { width: 42px; height: 42px; border-radius: 8px; object-fit: cover; }
.oa-brand strong, .oa-brand span { display: block; }
.oa-brand strong { font-size: 17px; }
.oa-brand span { margin-top: 2px; color: var(--oa-muted); font-size: 12px; }

.oa-login {
  color: #1d4ed8;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

main { width: min(1080px, calc(100% - 32px)); margin: 24px auto 64px; }

.oa-intro {
  min-height: 240px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 38%);
  align-items: center;
  gap: 28px;
  overflow: hidden;
  border: 1px solid rgba(191, 219, 254, .92);
  border-radius: 8px;
  background: rgba(255, 255, 255, .86);
  box-shadow: var(--oa-shadow);
}

.oa-intro-copy { padding: 34px 0 34px 36px; }
.oa-kicker { margin: 0 0 8px; color: var(--oa-blue); font-size: 12px; font-weight: 900; }
.oa-intro h1 { margin: 0; max-width: 620px; font-size: clamp(29px, 4vw, 43px); line-height: 1.22; }
.oa-intro-copy > p:last-child { margin: 16px 0 0; color: var(--oa-muted); line-height: 1.8; }
.oa-cover { width: 100%; height: 240px; object-fit: cover; display: block; }

.oa-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 18px 0 28px;
}

.oa-tabs a {
  padding: 13px 16px;
  color: #344054;
  text-align: center;
  text-decoration: none;
  font-weight: 800;
  border: 1px solid var(--oa-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .9);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.oa-tabs a:active { transform: scale(.98); }

.oa-section { padding: 28px 0; border-top: 1px solid var(--oa-line); scroll-margin-top: 82px; }
.oa-section:first-of-type { border-top: 0; }
.oa-section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.oa-section h2 { margin: 0; font-size: 28px; }
.oa-rate { color: #1d4ed8; font-weight: 800; }

.oa-filter { display: flex; gap: 8px; margin-bottom: 16px; }
.oa-filter button {
  min-width: 126px;
  padding: 10px 14px;
  color: var(--oa-muted);
  border: 1px solid var(--oa-line);
  border-radius: 8px;
  background: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.oa-filter button.active { color: #fff; border-color: var(--oa-blue); background: linear-gradient(135deg, #2f7df6, #4f46e5); }

.oa-price-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.oa-price-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--oa-line);
  border-radius: 8px;
  background: var(--oa-panel);
  box-shadow: var(--oa-shadow);
}
.oa-price-card h3 { margin: 0; font-size: 18px; line-height: 1.5; }
.oa-price-card p { margin: 0; color: var(--oa-muted); line-height: 1.7; }
.oa-price-meta { display: flex; align-items: end; justify-content: space-between; gap: 14px; }
.oa-price { color: #ef4444; font-size: 27px; font-weight: 900; }
.oa-stock { color: #047857; font-size: 13px; font-weight: 800; }
.oa-empty { grid-column: 1 / -1; padding: 44px 18px; color: var(--oa-muted); text-align: center; border: 1px dashed #bfdbfe; border-radius: 8px; background: #fff; }
.oa-price-note { margin: 16px 0 0; color: var(--oa-muted); font-size: 14px; line-height: 1.8; }

.oa-shift-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.oa-shift-list article { display: flex; gap: 15px; padding: 20px; border: 1px solid var(--oa-line); border-radius: 8px; background: #fff; }
.oa-shift-list h3 { margin: 2px 0 8px; }
.oa-shift-list p { margin: 0; color: var(--oa-muted); line-height: 1.75; }
.oa-shift-mark { width: 44px; height: 44px; flex: 0 0 44px; display: grid; place-items: center; color: #fff; border-radius: 50%; font-weight: 900; }
.oa-shift-mark.day { background: #f59e0b; }
.oa-shift-mark.night { background: #4f46e5; }
.oa-tip { margin-top: 14px; padding: 16px 18px; color: #1e3a8a; line-height: 1.7; border-left: 4px solid #60a5fa; background: #eff6ff; }

.oa-steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--oa-line); }
.oa-steps li { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 14px; padding: 17px 0; border-bottom: 1px solid var(--oa-line); }
.oa-steps strong { width: 34px; height: 34px; display: grid; place-items: center; color: #1d4ed8; border-radius: 50%; background: #dbeafe; }

footer { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; padding: 26px 20px 38px; color: var(--oa-muted); font-size: 13px; }

@media (max-width: 720px) {
  .oa-header { padding-inline: 16px; }
  main { width: min(100% - 24px, 1080px); margin-top: 14px; }
  .oa-intro { grid-template-columns: 1fr; gap: 0; }
  .oa-intro-copy { padding: 26px 22px; }
  .oa-cover { height: 180px; }
  .oa-tabs { position: sticky; top: 71px; z-index: 8; padding: 8px 0; background: rgba(245, 248, 255, .94); backdrop-filter: blur(12px); }
  .oa-tabs a { padding-inline: 8px; font-size: 14px; }
  .oa-price-list, .oa-shift-list { grid-template-columns: 1fr; }
  .oa-filter { display: grid; grid-template-columns: 1fr 1fr; }
  .oa-filter button { min-width: 0; padding-inline: 8px; }
  .oa-section-head { align-items: flex-start; }
  .oa-rate { font-size: 13px; }
}