/* ZH: navy/sky, max-width 1100, centered hero, 4 role cards, capsule steps, twin columns, dl FAQ */
:root {
  --navy: #1B2A4A;
  --navy-soft: #2A3D66;
  --sky: #4A90D9;
  --sky-soft: #D6E6F7;
  --fog: #F2F4F8;
  --ink: #1B2A4A;
  --mute: #5A6578;
  --line: #C9D3E0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--fog);
  color: var(--ink);
  font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: var(--sky);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}

.bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--navy);
}

.bar-inner {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
}

.logo:hover {
  color: #fff;
  text-decoration: none;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.menu a {
  color: #C5D8F0;
  font-size: 13px;
}

.menu a:hover {
  color: #fff;
  text-decoration: none;
}

.center-hero {
  text-align: center;
  padding: 52px 12px 28px;
}

.center-hero h1 {
  margin: 0 auto 16px;
  max-width: 34em;
  font-size: 30px;
  line-height: 1.4;
}

.center-hero p {
  margin: 0 auto 10px;
  max-width: 40em;
  color: var(--mute);
}

.stamp {
  display: inline-block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sky);
}

.block {
  padding: 36px 0;
}

.block h2 {
  margin: 0 0 10px;
  font-size: 24px;
}

.note {
  margin: 0 0 24px;
  color: var(--mute);
}

.orbit {
  display: grid;
  grid-template-columns: 1fr 180px 1fr;
  grid-template-rows: auto auto;
  gap: 16px 18px;
  align-items: stretch;
}

.role {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px;
}

.role h3 {
  margin: 8px 0;
  font-size: 16px;
}

.role p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--mute);
}

.hub {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  background: var(--navy);
  color: #fff;
  border-radius: 50%;
  width: 180px;
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
}

.hub strong {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill {
  flex: 1 1 220px;
  background: #fff;
  border-radius: 999px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.pill b {
  display: inline-flex;
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--sky);
  color: #fff;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.pill h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.pill p {
  margin: 0;
  font-size: 13px;
  color: var(--mute);
}

.twin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.deep {
  background: #fff;
  border-left: 5px solid var(--sky);
  padding: 20px 18px;
}

.deep h3 {
  margin: 0 0 10px;
  font-size: 17px;
}

.deep p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--mute);
}

.limit {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.limit th,
.limit td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.limit th {
  background: var(--navy);
  color: #fff;
}

.limit td:first-child {
  width: 26%;
  font-weight: 600;
  background: var(--sky-soft);
}

.choice {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.choice article {
  background: var(--navy);
  color: #D5E2F5;
  padding: 18px 16px;
  border-radius: 8px;
}

.choice h3 {
  margin: 8px 0;
  color: #fff;
  font-size: 16px;
}

.choice p {
  margin: 0 0 8px;
  font-size: 13px;
}

.faq-dl {
  margin: 0;
}

.faq-dl dt {
  background: var(--sky-soft);
  padding: 12px 14px;
  font-weight: 700;
  margin-top: 12px;
}

.faq-dl dd {
  margin: 0;
  padding: 12px 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: none;
  color: var(--mute);
  font-size: 14px;
}

.faq-dl dd p {
  margin: 0 0 8px;
}

.end {
  background: var(--navy);
  color: #B9C7DC;
  padding: 32px 0;
}

.end h2,
.end .foot-k {
  color: #fff;
  font-size: 15px;
  margin: 0 0 8px;
  font-weight: 700;
}

.end-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 14px;
}

.end p {
  margin: 0 0 6px;
  font-size: 13px;
}

.copy {
  font-size: 12px;
  border-top: 1px solid #2A3D66;
  padding-top: 12px;
}

@media (max-width: 860px) {
  .bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .orbit {
    grid-template-columns: 1fr;
  }

  .hub {
    grid-column: auto;
    grid-row: auto;
    margin: 0 auto;
  }

  .twin,
  .choice,
  .end-grid {
    grid-template-columns: 1fr;
  }

  .pill {
    border-radius: 12px;
  }
}