:root {
  --ink: #16222f;
  --muted: #5b6b7a;
  --line: #dfe6ee;
  --panel: #ffffff;
  --page: #f4f7fa;
  --navy: #0b2436;
  --blue: #145da0;
  --teal: #0f766e;
  --orange: #d95f17;
  --gold: #d9a62e;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.7;
  font-size: 16px;
}

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

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

button {
  font: inherit;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}

.brand img {
  flex: 0 0 auto;
  width: auto;
  height: 54px;
  object-fit: contain;
}

.brand span {
  max-width: 300px;
  line-height: 1.25;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav > a,
.nav-drop > .drop-title {
  display: inline-flex;
  align-items: center;
  min-height: 68px;
  padding: 0 14px;
  color: var(--ink);
  font-weight: 600;
}

.site-nav > a:hover,
.nav-drop > .drop-title:hover,
.site-nav > a.active,
.nav-drop > .drop-title.active {
  color: var(--teal);
}

.nav-drop {
  position: relative;
}

.drop-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  padding: 8px 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(11, 36, 54, 0.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 40;
}

.nav-drop:hover .drop-menu,
.nav-drop:focus-within .drop-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.drop-menu a {
  display: block;
  padding: 10px 18px;
  color: var(--ink);
  font-weight: 500;
}

.drop-menu a:hover {
  color: var(--teal);
  background: #eef8f6;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
}

.hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  color: #ffffff;
  background-position: center;
  background-size: cover;
  background-color: var(--navy);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 25, 39, 0.92), rgba(7, 25, 39, 0.58) 60%, rgba(7, 25, 39, 0.34));
}

.hero-content {
  position: relative;
  max-width: 760px;
  padding: 72px 0;
}

.hero-eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: #f5d997;
  font-size: 14px;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: 48px;
  line-height: 1.22;
  letter-spacing: 0;
}

.hero p {
  margin: 0 0 28px;
  max-width: 660px;
  color: #e8eef3;
  font-size: 18px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}

.btn-primary {
  color: #ffffff;
  background: var(--teal);
}

.btn-primary:hover {
  background: #0c655e;
  transform: translateY(-1px);
}

.btn-outline {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.72);
}

.btn-outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.page-hero {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  color: #ffffff;
  background-position: center;
  background-size: cover;
  background-color: var(--navy);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 25, 39, 0.9), rgba(7, 25, 39, 0.5));
}

.page-hero .container {
  position: relative;
  padding-top: 48px;
  padding-bottom: 48px;
}

.page-hero h1 {
  margin: 8px 0 4px;
  font-size: 36px;
  letter-spacing: 0;
}

.page-hero p {
  margin: 0;
  color: #dbe7ef;
}

.breadcrumb {
  margin: 0 0 8px;
  color: #b9ccda;
  font-size: 14px;
}

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

.section {
  padding: 72px 0;
}

.section-alt {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.3;
  color: var(--navy);
  letter-spacing: 0;
}

.section-sub {
  max-width: 860px;
  margin: 0 0 32px;
  color: var(--muted);
}

.section-heading-sm {
  margin: 0 0 16px;
  font-size: 22px;
  color: var(--navy);
  letter-spacing: 0;
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.service-card {
  padding: 24px;
  border-top: 4px solid var(--teal);
  transition: box-shadow 0.18s ease, transform 0.18s ease;
}

.service-card:hover {
  box-shadow: 0 16px 34px rgba(11, 36, 54, 0.1);
  transform: translateY(-3px);
}

.service-card.accent-orange {
  border-top-color: var(--orange);
}

.service-card.accent-blue {
  border-top-color: var(--blue);
}

.service-card.accent-gold {
  border-top-color: var(--gold);
}

.service-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  color: var(--navy);
}

.service-card p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal);
  font-weight: 700;
}

.card-link svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

.news-list {
  display: grid;
  gap: 16px;
}

.news-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.news-item .date {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
  min-height: 96px;
  padding: 14px;
  border-radius: 8px;
  background: #eef7f5;
  color: var(--teal);
  text-align: center;
  font-weight: 800;
}

.news-item .date small {
  color: var(--muted);
  font-weight: 600;
}

.news-item h3 {
  margin: 0 0 8px;
  font-size: 20px;
  color: var(--navy);
}

.news-item p {
  margin: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: center;
}

.split.reverse .split-media {
  order: -1;
}

.split-media {
  min-width: 0;
}

.media-frame {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
}

.media-frame img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  max-height: 520px;
  object-fit: cover;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.stat {
  padding: 22px;
  border-radius: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  text-align: center;
}

.stat strong {
  display: block;
  color: var(--blue);
  font-size: 34px;
  line-height: 1.2;
}

.stat span {
  color: var(--muted);
  font-size: 14px;
}

.list-check {
  margin: 0;
  padding: 0;
  list-style: none;
}

.list-check li {
  position: relative;
  margin: 0 0 10px;
  padding-left: 28px;
}

.list-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: inset 0 0 0 3px #eaf8f5;
}

.list-dot {
  margin: 0;
  padding-left: 20px;
}

.list-dot li {
  margin-bottom: 8px;
}

.article {
  max-width: 980px;
  margin: 0 auto;
  padding: 36px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.article h2 {
  margin: 34px 0 14px;
  color: var(--navy);
  font-size: 24px;
}

.article h2:first-child {
  margin-top: 0;
}

.article h3 {
  margin: 22px 0 10px;
  color: var(--navy);
  font-size: 19px;
}

.article p {
  margin: 0 0 14px;
}

.article img {
  margin: 18px auto;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.article-caption {
  margin: -8px 0 18px;
  color: var(--muted);
  text-align: center;
  font-size: 13px;
}

.tag {
  display: inline-block;
  margin: 0 8px 8px 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef4f7;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.level-card {
  min-height: 190px;
  padding: 18px;
  border-radius: 8px;
  background: #f0f7f5;
  border: 1px solid #d7e9e5;
}

.level-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 18px;
}

.level-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

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

.timeline-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
}

.timeline-item .year {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 68px;
  border-radius: 8px;
  background: var(--navy);
  color: #ffffff;
  font-weight: 800;
}

.timeline-item p {
  margin: 0;
  padding: 14px 18px;
  border-left: 3px solid var(--teal);
  background: var(--panel);
  border-radius: 0 8px 8px 0;
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: #eef4f7;
  color: var(--navy);
  white-space: nowrap;
}

.cta-band {
  padding: 56px 0;
  color: #ffffff;
  background: linear-gradient(120deg, var(--navy), #14495c 58%, #7a4a1c);
}

.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta-band h2 {
  margin: 0 0 6px;
  font-size: 28px;
}

.cta-band p {
  margin: 0;
  color: #d9e4eb;
}

.phone {
  color: #ffd37a;
  font-size: 24px;
  font-weight: 800;
  white-space: nowrap;
}

.site-footer {
  padding: 54px 0 0;
  color: #c8d6df;
  background: var(--navy);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
}

.footer-grid h3 {
  margin: 0 0 14px;
  color: #ffffff;
  font-size: 17px;
}

.footer-grid p {
  margin: 0 0 12px;
  font-size: 14px;
}

.footer-grid a {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

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

.footer-bottom {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #9fb1bd;
  font-size: 13px;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
}

.footer-bottom a {
  color: #c7d5dd;
}

.footer-contact {
  display: grid;
  gap: 10px;
}

.contact-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
}

.contact-line svg {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  stroke: #8fb4ca;
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 32px;
}

.subnav a {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-weight: 600;
}

.subnav a:hover,
.subnav a.active {
  border-color: var(--teal);
  color: var(--teal);
}

.page-inner {
  padding: 56px 0 72px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 28px;
  align-items: start;
}

.side-panel {
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.side-panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
  color: var(--navy);
}

.side-panel a {
  display: block;
  padding: 9px 0;
  border-bottom: 1px solid #edf1f5;
  color: var(--muted);
}

.side-panel a:hover,
.side-panel a.active {
  color: var(--teal);
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .split.reverse {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .split.reverse .split-media {
    order: 0;
  }

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

  .news-item {
    grid-template-columns: 1fr;
  }

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

  .cta-band .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 62px;
  }

  .brand {
    gap: 10px;
    font-size: 17px;
  }

  .brand img {
    height: 46px;
  }

  .brand span {
    max-width: 160px;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: absolute;
    top: 62px;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 16px;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(11, 36, 54, 0.16);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav > a,
  .nav-drop > .drop-title {
    min-height: 48px;
    width: 100%;
  }

  .nav-drop {
    width: 100%;
  }

  .drop-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0 0 6px 18px;
  }

  .nav-drop.open .drop-menu {
    display: block;
  }

  .hero {
    min-height: 480px;
  }

  .hero h1 {
    font-size: 36px;
  }

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

  .page-hero {
    min-height: 230px;
  }

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

  .section {
    padding: 48px 0;
  }

  .section-heading {
    font-size: 25px;
  }

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

  .article {
    padding: 24px 18px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 400px) {
  .brand {
    gap: 8px;
    font-size: 15px;
  }

  .brand img {
    height: 40px;
  }

  .brand span {
    max-width: 130px;
  }
}