:root {
  color-scheme: light;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --accent: #7c3aed;
  --ink: #111827;
  --muted: #5f6b7a;
  --soft: #f6f8fc;
  --line: #e5eaf2;
  --panel: #ffffff;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #f04438;
  --shadow: 0 18px 48px rgba(31, 52, 92, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 46%, #ffffff 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1180px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: #0f172a;
  font-size: 20px;
  line-height: 1;
  font-weight: 950;
  white-space: nowrap;
}

.brand-logo {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  border-radius: 12px;
  object-fit: cover;
  background: #07101f;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  color: #334155;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--brand);
}

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 62px 0 34px;
  display: grid;
  gap: 22px;
}

.hero.compact {
  padding: 48px 0 22px;
}

.eyebrow {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid #cfe0ff;
  border-radius: 999px;
  color: var(--brand);
  background: #eff6ff;
  font-size: 13px;
  font-weight: 900;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  max-width: 880px;
  color: #0f172a;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  font-weight: 950;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: #334155;
  font-size: 18px;
  line-height: 1.75;
  font-weight: 650;
}

.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid #bfd2ff;
  border-radius: 8px;
  color: var(--brand);
  background: #ffffff;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
}

.button.primary {
  border-color: transparent;
  color: #ffffff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
}

.section-title {
  margin-bottom: 16px;
}

.section-title h2 {
  color: #0f172a;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 950;
}

.section-title p {
  max-width: 760px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 650;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.price-card,
.legal-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
}

.card {
  padding: 22px;
}

.card h3,
.price-card h3 {
  color: #111827;
  font-size: 19px;
  line-height: 1.3;
  font-weight: 950;
}

.card p,
.card li,
.price-card p,
.legal-card p,
.legal-card li {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
  font-weight: 650;
}

.card p,
.price-card p {
  margin: 10px 0 0;
}

.card ul,
.legal-card ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
}

.card li,
.legal-card li {
  margin: 6px 0;
}

.price-card {
  padding: 22px;
}

.price {
  margin: 14px 0 0;
  color: #ef3b10;
  font-size: 28px;
  line-height: 1;
  font-weight: 950;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 12px;
  padding: 0 8px;
  border-radius: 999px;
  color: var(--brand);
  background: #eff6ff;
  font-size: 12px;
  font-weight: 900;
}

.table {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 700;
  vertical-align: top;
}

.table th {
  color: #0f172a;
  background: #f8fafc;
  font-weight: 950;
}

.table tr:last-child th,
.table tr:last-child td {
  border-bottom: 0;
}

.notice {
  padding: 18px 20px;
  border: 1px solid #fed7aa;
  border-radius: 8px;
  color: #7c2d12;
  background: #fff7ed;
  font-size: 15px;
  line-height: 1.7;
  font-weight: 750;
}

.muted-panel {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.site-footer {
  margin-top: 34px;
  padding: 24px 16px 26px;
  border-top: 1px solid var(--line);
  color: #64748b;
  background: #ffffff;
  text-align: center;
  font-size: 13px;
  line-height: 1.8;
  font-weight: 700;
}

.footer-row,
.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-row {
  gap: 18px;
  font-size: 14px;
}

.site-footer a:hover {
  color: var(--brand);
}

.beian {
  display: inline-flex;
  margin-top: 4px;
}

.legal-card {
  padding: 34px;
}

.legal-card h2 {
  margin-top: 28px;
  color: #0f172a;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 950;
}

.legal-card h3 {
  margin-top: 18px;
  color: #1e293b;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 900;
}

.legal-card p {
  margin: 10px 0 0;
}

.status-list {
  display: grid;
  gap: 12px;
}

.status-list a {
  display: block;
}

@media (max-width: 900px) {
  .nav {
    width: calc(100% - 28px);
    min-height: 0;
    padding: 12px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px 14px;
    white-space: normal;
  }

  .hero,
  .section {
    width: calc(100% - 28px);
  }

  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand {
    font-size: 18px;
  }

  .brand-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .nav-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    font-size: 13px;
  }

  .hero {
    padding: 38px 0 22px;
  }

  h1 {
    font-size: 32px;
  }

  .lead {
    font-size: 16px;
  }

  .card,
  .price-card,
  .legal-card {
    padding: 18px;
  }

  .table th,
  .table td {
    padding: 10px;
    font-size: 13px;
  }
}