:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-muted: #eef3f8;
  --text: #172033;
  --muted: #586174;
  --line: #d9e1ea;
  --brand: #0d4ea6;
  --brand-hover: #083a7c;
  --brand-soft: #e8f0fb;
  --shadow: 0 18px 36px rgba(18, 34, 63, 0.08);
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
  line-height: 1.7;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.is-hidden {
  display: none !important;
}

.is-pending {
  color: #8b6670;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(217, 225, 234, 0.9);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

.brand {
  min-width: 0;
}

.brand-link {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  color: inherit;
  text-decoration: none;
}

.brand-link:hover {
  text-decoration: none;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-sub {
  font-size: 0.82rem;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--brand);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  color: #fff !important;
  background: linear-gradient(135deg, var(--brand) 0%, #0b67c6 100%);
  box-shadow: 0 10px 18px rgba(13, 78, 166, 0.16);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-hover) 0%, #0b5ab0 100%);
}

.btn-outline {
  color: var(--brand);
  background: #fff;
  border-color: #c8d6ea;
}

.btn-outline:hover {
  border-color: var(--brand);
}

.hero {
  padding: 58px 0 26px;
}

.hero-card {
  padding: 42px 36px;
  border: 1px solid rgba(217, 225, 234, 0.95);
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(13, 78, 166, 0.12), transparent 34%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: var(--shadow);
}

.hero-eyebrow,
.page-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-card h1 {
  margin: 16px 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
}

.lead {
  margin: 0;
  max-width: 72ch;
  color: var(--muted);
  font-size: 1.02rem;
}

.lead-page {
  max-width: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.section-block {
  padding: 26px 0;
}

.section-tint {
  background: linear-gradient(180deg, rgba(232, 240, 251, 0.5), rgba(232, 240, 251, 0));
}

.section-heading {
  margin-bottom: 18px;
}

.section-title {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.section-title-tight {
  margin-top: 0;
}

.section-intro {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
}

.grid-2,
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.page-card,
.side-card,
.contact-card {
  background: var(--surface);
  border: 1px solid rgba(217, 225, 234, 0.95);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 24px rgba(18, 34, 63, 0.05);
}

.card {
  padding: 22px 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.card p,
.muted {
  margin: 0;
  color: var(--muted);
}

.feature-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.feature-list li + li {
  margin-top: 8px;
}

.mini-meta {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.meta-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.page-main {
  padding: 34px 0 48px;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.8fr);
  gap: 20px;
  align-items: start;
}

.legal-layout {
  display: block;
}

.page-card {
  padding: 30px 26px;
}

.page-card-wide {
  max-width: 920px;
}

.content-section + .content-section {
  margin-top: 24px;
}

.content-section h2 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.content-section p {
  margin: 0;
  color: var(--muted);
}

.side-card {
  padding: 22px 20px;
  position: sticky;
  top: 88px;
}

.side-card h2 {
  margin: 0 0 14px;
  font-size: 1.02rem;
}

.info-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.info-list div {
  padding: 0 0 14px;
  border-bottom: 1px solid var(--line);
}

.info-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-list dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.info-list dd {
  margin: 0;
  color: var(--text);
}

.side-links {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.contact-card {
  padding: 20px 18px;
  background: linear-gradient(180deg, #ffffff 0%, var(--surface-muted) 100%);
}

.contact-card h2 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.contact-card p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 34px;
  padding: 24px 0 34px;
  border-top: 1px solid rgba(217, 225, 234, 0.95);
  background: rgba(255, 255, 255, 0.94);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px 26px;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 600;
}

.footer-copy {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.beian {
  margin-top: 6px;
  color: #6d7687;
  font-size: 0.84rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 16px;
  align-content: flex-start;
}

@media (max-width: 980px) {
  .page-layout {
    grid-template-columns: 1fr;
  }

  .side-card {
    position: static;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .grid-2,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    align-items: flex-start;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero-card,
  .page-card,
  .side-card {
    padding: 24px 20px;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 36px;
  }

  .hero-card h1,
  .page-card h1 {
    font-size: 1.6rem;
  }

  .footer-links {
    justify-content: flex-start;
  }
}