* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: #1f2733;
  background: #f5f7fa;
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: #1652f0;
  text-decoration: none;
}

a:hover {
  color: #0d3db8;
}

img {
  max-width: 100%;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.topbar {
  background: #0b1220;
  color: #9fb0c9;
  font-size: 13px;
  padding: 8px 0;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topbar span {
  margin-right: 18px;
}

.header {
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(15, 30, 60, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #0b1220;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo em {
  font-style: normal;
  color: #1652f0;
}

.nav {
  display: flex;
  gap: 26px;
}

.nav a {
  color: #34435a;
  font-size: 16px;
  font-weight: 500;
  padding: 6px 2px;
}

.nav a.active,
.nav a:hover {
  color: #1652f0;
  border-bottom: 2px solid #1652f0;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #0b1220;
}

.hero {
  background: linear-gradient(135deg, #0b1220 0%, #12244a 55%, #1652f0 100%);
  color: #ffffff;
  padding: 90px 0 100px;
  text-align: center;
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.hero p.sub {
  font-size: 18px;
  color: #c8d6ef;
  max-width: 820px;
  margin: 0 auto 34px;
}

.btn {
  display: inline-block;
  padding: 13px 34px;
  border-radius: 30px;
  font-size: 17px;
  font-weight: bold;
  margin: 6px 8px;
  transition: all 0.25s;
}

.btn-primary {
  background: #1652f0;
  color: #ffffff;
}

.btn-primary:hover {
  background: #0d3db8;
  color: #ffffff;
}

.btn-outline {
  border: 2px solid #ffffff;
  color: #ffffff;
}

.btn-outline:hover {
  background: #ffffff;
  color: #1652f0;
}

.hero-tags {
  margin-top: 36px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-tags span {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 14px;
}

.section {
  padding: 70px 0;
}

.section-alt {
  background: #ffffff;
}

.section-head {
  text-align: center;
  margin-bottom: 46px;
}

.section-head h2 {
  font-size: 30px;
  color: #0b1220;
  margin-bottom: 12px;
}

.section-head p {
  color: #64748b;
  max-width: 760px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: 24px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

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

.card {
  background: #ffffff;
  border-radius: 14px;
  padding: 30px 26px;
  box-shadow: 0 4px 18px rgba(15, 30, 60, 0.07);
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 26px rgba(15, 30, 60, 0.13);
}

.card .icon {
  font-size: 40px;
  display: block;
  margin-bottom: 14px;
}

.card h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #0b1220;
}

.card p {
  color: #5a6b84;
  font-size: 15px;
}

.card .more {
  display: inline-block;
  margin-top: 14px;
  font-weight: 500;
}

.stats {
  background: #0b1220;
  color: #ffffff;
  padding: 60px 0;
}

.stats .grid {
  text-align: center;
}

.stats .num {
  font-size: 34px;
  font-weight: bold;
  color: #4d8bff;
}

.stats .label {
  margin-top: 8px;
  color: #9fb0c9;
  font-size: 15px;
}

.news-item {
  background: #ffffff;
  border-radius: 12px;
  padding: 26px;
  box-shadow: 0 3px 14px rgba(15, 30, 60, 0.06);
  margin-bottom: 20px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.news-item .date {
  background: #eef3ff;
  color: #1652f0;
  border-radius: 10px;
  padding: 10px 14px;
  text-align: center;
  font-size: 13px;
  min-width: 86px;
  flex-shrink: 0;
}

.news-item .date b {
  display: block;
  font-size: 20px;
}

.news-item h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.news-item p {
  color: #5a6b84;
  font-size: 15px;
}

.news-item .meta {
  font-size: 13px;
  color: #8a97ab;
  margin-top: 8px;
}

.article {
  background: #ffffff;
  border-radius: 12px;
  padding: 34px;
  box-shadow: 0 3px 14px rgba(15, 30, 60, 0.06);
  margin-bottom: 26px;
}

.article h2 {
  font-size: 24px;
  color: #0b1220;
  margin-bottom: 10px;
}

.article .time {
  color: #8a97ab;
  font-size: 14px;
  margin-bottom: 16px;
  display: block;
}

.article p {
  margin-bottom: 14px;
  color: #3d4c63;
}

.article h3 {
  font-size: 18px;
  margin: 20px 0 10px;
  color: #1652f0;
}

.page-banner {
  background: linear-gradient(135deg, #0b1220 0%, #12244a 60%, #1652f0 100%);
  color: #ffffff;
  text-align: center;
  padding: 64px 0;
}

.page-banner h1 {
  font-size: 34px;
  margin-bottom: 12px;
}

.page-banner p {
  color: #c8d6ef;
  max-width: 780px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 14px;
  color: #8a97ab;
  padding: 16px 0;
}

.breadcrumb a {
  color: #1652f0;
}

.table-wrap {
  overflow-x: auto;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 3px 14px rgba(15, 30, 60, 0.06);
  padding: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #e7ecf3;
}

th {
  background: #f0f4fb;
  color: #0b1220;
}

.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: #d6e2fb;
  border-radius: 2px;
}

.timeline .item {
  position: relative;
  margin-bottom: 26px;
}

.timeline .item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #1652f0;
  border: 3px solid #d6e2fb;
}

.timeline .year {
  font-weight: bold;
  color: #1652f0;
  font-size: 18px;
}

.faq-item {
  background: #ffffff;
  border-radius: 12px;
  padding: 22px 26px;
  box-shadow: 0 3px 14px rgba(15, 30, 60, 0.06);
  margin-bottom: 16px;
}

.faq-item h3 {
  font-size: 18px;
  color: #0b1220;
  margin-bottom: 8px;
}

.faq-item p {
  color: #5a6b84;
  font-size: 15px;
}

.contact-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 3px 14px rgba(15, 30, 60, 0.06);
  text-align: center;
}

.contact-card .icon {
  font-size: 42px;
}

.contact-card h3 {
  margin: 12px 0 8px;
  font-size: 19px;
}

.contact-card p {
  color: #5a6b84;
  font-size: 15px;
}

.form-box {
  background: #ffffff;
  border-radius: 14px;
  padding: 34px;
  box-shadow: 0 3px 14px rgba(15, 30, 60, 0.06);
}

.form-box label {
  display: block;
  font-weight: 500;
  margin: 14px 0 6px;
  color: #34435a;
}

.form-box input,
.form-box textarea,
.form-box select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d7dfeb;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}

.form-box input:focus,
.form-box textarea:focus,
.form-box select:focus {
  outline: none;
  border-color: #1652f0;
}

.cta {
  background: linear-gradient(135deg, #1652f0 0%, #4d8bff 100%);
  color: #ffffff;
  text-align: center;
  padding: 64px 0;
}

.cta h2 {
  font-size: 28px;
  margin-bottom: 12px;
}

.cta p {
  color: #dcebff;
  margin-bottom: 24px;
}

.cta .btn-primary {
  background: #ffffff;
  color: #1652f0;
}

.cta .btn-outline {
  border-color: #ffffff;
}

.footer {
  background: #0b1220;
  color: #9fb0c9;
  padding: 54px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 34px;
}

.footer h4 {
  color: #ffffff;
  font-size: 17px;
  margin-bottom: 14px;
}

.footer a {
  color: #9fb0c9;
  display: block;
  margin-bottom: 9px;
}

.footer a:hover {
  color: #ffffff;
}

.footer-links {
  border-top: 1px solid #1e2a44;
  padding: 18px 0;
  text-align: center;
}

.footer-links a {
  display: inline-block;
  margin: 0 12px;
  color: #c8d6ef;
}

.copyright {
  border-top: 1px solid #1e2a44;
  padding: 16px 0;
  text-align: center;
  color: #6d7e98;
}

@media (max-width: 960px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero h1 {
    font-size: 30px;
  }
}

@media (max-width: 640px) {
  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    gap: 0;
    box-shadow: 0 8px 16px rgba(15, 30, 60, 0.12);
    padding: 10px 0;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 24px;
    border-bottom: none;
  }

  .nav-toggle {
    display: block;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 60px 0 70px;
  }

  .hero h1 {
    font-size: 25px;
  }

  .hero p.sub {
    font-size: 16px;
  }

  .news-item {
    flex-direction: column;
  }

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