:root {
  --bg: #f2f7ff;
  --bg-hero-a: #0b5ed7;
  --bg-hero-b: #0a3f95;
  --text: #0f172a;
  --text-soft: #334155;
  --card: #ffffff;
  --line: #dbe7ff;
  --btn: #0b5ed7;
  --btn-hover: #094db2;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.65;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid #e5eefc;
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
}

.brand img {
  border-radius: 10px;
}

.cta {
  text-decoration: none;
  background: var(--btn);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
}

.cta:hover {
  background: var(--btn-hover);
}

.menu {
  display: inline-flex;
  gap: 16px;
  flex-wrap: wrap;
}

.menu a {
  color: #1f2b4d;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.menu a:hover {
  color: var(--btn);
}

.hero {
  color: #fff;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.16), transparent 42%),
    linear-gradient(130deg, var(--bg-hero-a), var(--bg-hero-b));
}

.hero-inner {
  padding: 88px 0 92px;
}

.tag {
  margin: 0 0 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 13px;
  opacity: 0.88;
}

h1 {
  margin: 0;
  line-height: 1.18;
  font-size: clamp(30px, 4.4vw, 52px);
}

.lead {
  max-width: 760px;
  font-size: 18px;
  opacity: 0.95;
  margin: 18px 0 0;
}

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

.btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 16px;
  font-weight: 600;
}

.btn.primary {
  background: #fff;
  color: #0b3c90;
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
}

.note {
  margin-top: 14px;
  font-size: 14px;
  opacity: 0.9;
}

.section {
  padding: 62px 0;
}

.sub-hero {
  color: #fff;
  background: linear-gradient(130deg, #0b5ed7, #0a3f95);
  padding: 56px 0;
}

.sub-hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
}

.sub-hero p {
  margin: 12px 0 0;
  max-width: 760px;
  opacity: 0.95;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.card p {
  margin: 0;
  color: var(--text-soft);
}

.article-list {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px;
}

.page-image,
.content-image {
  width: 100%;
  display: block;
  border-radius: 14px;
  border: 1px solid #d6e5ff;
  margin: 18px 0 20px;
}

.article-meta {
  color: #64748b;
  font-size: 14px;
  margin: 6px 0 12px;
}

.article h1 {
  margin: 0 0 10px;
  font-size: clamp(28px, 3vw, 38px);
  color: #0f172a;
}

.article h2 {
  margin: 20px 0 8px;
  font-size: 24px;
}

.article ul,
.article ol {
  margin: 10px 0;
  padding-left: 22px;
  color: #334155;
}

.article li {
  margin: 4px 0;
}

.related-articles {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid #dbe7ff;
}

.related-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 12px 0 14px;
}

.related-grid .card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  color: #0f172a;
}

.feature-big-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.section-intro {
  margin: 10px 0 16px;
  color: #334155;
}

.feature-big-card {
  background: #fff;
  border: 1px solid #dbe7ff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 18px rgba(11, 94, 215, 0.08);
}

.feature-big-card h3 {
  margin: 0 0 8px;
  font-size: 24px;
  color: #0f172a;
}

.feature-big-card p {
  margin: 0;
  color: #334155;
}

.feature-big-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: #334155;
}

.feature-big-card li {
  margin: 4px 0;
}

.section-note {
  margin: 14px 0 0;
  color: #475569;
  font-size: 14px;
}

.partner-strip {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.partner-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: #e8f1ff;
  color: #0b3c90;
  border: 1px solid #c2d8ff;
  font-weight: 700;
  font-size: 14px;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  font-size: 14px;
  color: #475569;
}

.breadcrumb a {
  color: #0b5ed7;
  text-decoration: none;
}

.toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.toolbar input {
  min-width: 260px;
  border: 1px solid #c9daf8;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid #dbe7ff;
  border-radius: 12px;
}

.lead-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}

.lead-table th,
.lead-table td {
  border-bottom: 1px solid #eaf1ff;
  text-align: left;
  padding: 10px;
  font-size: 14px;
}

.lead-table th {
  background: #f5f9ff;
}

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.lead-form {
  display: grid;
  gap: 10px;
}

.wechat-box {
  margin-top: 16px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid #dbe7ff;
  background: #f8fbff;
}

.wechat-box h3 {
  margin: 0;
  font-size: 18px;
}

.wechat-box p {
  margin: 6px 0 10px;
  color: #475569;
  font-size: 14px;
}

.wechat-box img {
  width: 220px;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid #d6e5ff;
  background: #fff;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid #c9daf8;
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

.form-msg {
  min-height: 20px;
  margin: 0;
  font-size: 14px;
}

.price {
  margin: 8px 0 10px;
  font-size: 28px;
  font-weight: 800;
  color: #0b4fbf;
}

.pricing-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.featured {
  border: 2px solid #0b5ed7;
  box-shadow: 0 10px 26px rgba(11, 94, 215, 0.16);
}

.muted {
  background: #eef4ff;
}

.two-col {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.two-col h2 {
  margin-top: 0;
}

.two-col ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.contact {
  text-align: center;
}

.contact h2 {
  margin: 0 0 8px;
  font-size: 30px;
}

.footer {
  border-top: 1px solid #e5eefc;
  padding: 18px 0 26px;
  color: #64748b;
  text-align: center;
}

.footer a {
  color: #0b5ed7;
  text-decoration: none;
}

@media (max-width: 860px) {
  .menu {
    display: none;
  }

  .nav {
    height: 76px;
  }

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

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

  .article-list {
    grid-template-columns: 1fr;
  }

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

  .feature-big-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    padding: 66px 0 70px;
  }

  .lead {
    font-size: 16px;
  }
}