html {
  scroll-behavior: auto;
}

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

body {
  margin: 0;
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: #1e2430;
  background: #eef1f5;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: #1d4f91;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #163e73;
}

h1,
h2,
h3 {
  font-weight: 650;
  line-height: 1.35;
  margin: 0 0 0.7em;
  color: #152033;
}

h1 {
  font-size: 1.9rem;
}

h2 {
  font-size: 1.35rem;
}

h3 {
  font-size: 1.08rem;
  color: #2a3546;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.25em;
}

li + li {
  margin-top: 0.35em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.2em;
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid #d5dbe3;
  padding: 0.7em 0.8em;
  text-align: left;
  vertical-align: top;
}

th {
  background: #e8edf3;
  font-weight: 650;
}

.s6-header {
  background: #fff;
  border-bottom: 1px solid #d5dbe3;
}

.s6-header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.s6-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #152033;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}

.s6-brand:hover {
  color: #1d4f91;
}

.s6-brand-mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
}

.s6-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
}

.s6-nav a {
  color: #3d4756;
  text-decoration: none;
  font-weight: 600;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.s6-nav a:hover,
.s6-nav a.is-current {
  color: #1d4f91;
  border-bottom-color: #1d4f91;
}

.s6-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.4rem 1.25rem 3rem;
}

.s6-rail {
  list-style: none;
  margin: 0 0 1.4rem;
  padding: 6px;
  display: flex;
  gap: 4px;
  background: #e2e7ee;
  border-radius: 999px;
}

.s6-rail a {
  display: block;
  text-align: center;
  text-decoration: none;
  color: #4a5565;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.65rem 0.4rem;
  border-radius: 999px;
}

.s6-rail a:hover {
  color: #1d4f91;
  background: rgba(255, 255, 255, 0.55);
}

.s6-rail .is-on a,
.s6-rail li.is-on a {
  background: #fff;
  color: #152033;
  box-shadow: 0 1px 2px rgba(21, 32, 51, 0.06);
}

.s6-block {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 1.1rem 1.4rem;
  background: #fff;
  border: 1px solid #d8dee6;
  border-radius: 14px;
  padding: 1.4rem 1.5rem 1.2rem;
  margin: 0 0 1.15rem;
}

.s6-hero {
  box-shadow: 0 8px 24px rgba(21, 32, 51, 0.05);
}

.s6-num {
  margin: 0;
  font-size: 4.4rem;
  line-height: 0.9;
  font-weight: 750;
  letter-spacing: -0.05em;
  color: #c5ccd6;
}

.s6-kicker {
  margin: 0 0 0.45rem;
  color: #1d4f91;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.s6-lead {
  font-size: 1.02rem;
  color: #2c3544;
}

.s6-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.1rem 0 1.2rem;
}

.s6-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 46px;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  border: 1px solid #1d4f91;
  background: #fff;
  color: #1d4f91;
  text-decoration: none;
  font-weight: 700;
}

.s6-btn:hover {
  background: #f3f7fc;
  color: #163e73;
}

.s6-btn-primary {
  background: #1d4f91;
  color: #fff;
  border-color: #1d4f91;
}

.s6-btn-primary:hover {
  background: #163e73;
  color: #fff;
}

.s6-btn-store {
  border-color: #c5ccd6;
  color: #2a3546;
}

.s6-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 0.4rem;
}

.s6-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: #eef3f8;
  border: 1px solid #d5deea;
  border-radius: 999px;
  font-weight: 650;
  font-size: 0.92rem;
  color: #243044;
}

.s6-chip svg {
  width: 16px;
  height: 16px;
}

.s6-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 0 0 1em;
}

.s6-card {
  background: #f6f8fb;
  border: 1px solid #dce3ec;
  border-radius: 10px;
  padding: 0.95rem 1rem 0.7rem;
}

.s6-card h3 {
  margin-bottom: 0.4em;
}

.s6-table-wrap {
  overflow-x: auto;
  margin: 0 0 1em;
}

.s6-quote {
  margin: 0 0 0.9rem;
  padding: 0.9rem 1rem 0.7rem;
  background: #f6f8fb;
  border-left: 4px solid #1d4f91;
  border-radius: 0 8px 8px 0;
}

.s6-quote p:last-child {
  margin-bottom: 0;
}

.s6-quote footer {
  margin-top: 0.45rem;
  color: #5c6573;
  font-size: 0.92rem;
}

.s6-faq {
  margin: 0;
}

.s6-faq + .s6-faq {
  margin-top: 0.65rem;
}

.s6-faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 0.75rem 0.85rem;
  background: #f3f6f9;
  border-radius: 8px;
  list-style: none;
}

.s6-faq summary::-webkit-details-marker {
  display: none;
}

.s6-faq[open] summary {
  background: #e8eef6;
  color: #1d4f91;
}

.s6-faq p {
  margin: 0.7rem 0 0.2rem;
  padding: 0 0.2rem;
}

.s6-note {
  background: #f3f6f9;
  border: 1px dashed #c5d0dd;
  border-radius: 8px;
  padding: 0.8rem 0.95rem;
  margin: 0 0 1em;
}

.s6-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1rem;
  padding: 1rem 1.05rem;
  background: #eaf1f8;
  border: 1px solid #c8d7e8;
  border-radius: 10px;
}

.s6-platforms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 0 0 1em;
}

.s6-footer {
  background: #152033;
  color: #d5dbe3;
  padding: 1.4rem 1.25rem 1.7rem;
}

.s6-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.s6-footer p {
  margin: 0 0 0.55em;
}

.s6-footer p:last-child {
  margin-bottom: 0;
}

@media (max-width: 900px) {
  h1 {
    font-size: 1.55rem;
  }

  .s6-block {
    grid-template-columns: 64px 1fr;
    padding: 1.15rem 1.1rem 1rem;
  }

  .s6-num {
    font-size: 3.1rem;
  }

  .s6-grid,
  .s6-platforms {
    grid-template-columns: 1fr;
  }

  .s6-rail {
    border-radius: 12px;
    flex-wrap: wrap;
  }

  .s6-rail li {
    flex: 1 1 46%;
  }

  .s6-rail a {
    border-radius: 10px;
  }
}

@media (max-width: 640px) {
  .s6-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .s6-block {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .s6-num {
    font-size: 2.6rem;
  }

  .s6-rail li {
    flex: 1 1 100%;
  }

  .s6-actions .s6-btn {
    width: 100%;
  }

  th,
  td {
    font-size: 0.88rem;
    padding: 0.55em 0.5em;
  }
}