:root {
  --primary: #16a34a;
  --accent: #52c41a;
  --cyan: #0f766e;
  --title: #12301f;
  --light-title: #12301f;
  --muted: #52715d;
  --light-muted: rgba(34, 69, 48, 0.82);
  --line: #d9e3f0;
  --glass-line: rgba(22, 101, 52, 0.16);
  --page-bg: #edfdf2;
  --surface: #ffffff;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-strong: rgba(255, 255, 255, 0.86);
  --dark: #e4f9ec;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(34, 197, 94, 0.18), transparent 30%),
    radial-gradient(circle at 82% 24%, rgba(15, 118, 110, 0.1), transparent 28%),
    linear-gradient(145deg, #f4fff7 0%, #dff7e8 48%, #f8fff9 100%);
  color: var(--light-title);
}

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

.site-shell {
  min-height: 100vh;
  background: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
  padding: 0 32px;
  background: rgba(244, 255, 247, 0.84);
  border-bottom: 1px solid var(--glass-line);
  box-shadow:
    0 18px 45px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-width: 148px;
  color: var(--title);
  font-weight: 700;
  line-height: 1;
}

.brand-logo {
  display: block;
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex: 0 0 auto;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.24));
}

.kicker-logo {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.28));
}

.site-anchor {
  flex: 1 1 auto;
  min-width: 0;
}

.site-anchor .ant-anchor {
  justify-content: flex-end;
}

.site-anchor .ant-anchor-link {
  padding-inline: 12px 0;
}

.site-header .site-anchor .ant-anchor-link-title {
  color: rgba(18, 48, 31, 0.72) !important;
  font-weight: 600;
  transition: color 0.2s ease;
}

.site-header .site-anchor .ant-anchor-link-title:hover,
.site-header .site-anchor .ant-anchor-link-active > .ant-anchor-link-title {
  color: #166534 !important;
}

.site-anchor .ant-anchor-ink {
  background: rgba(82, 196, 26, 0.58);
}

.hero-section {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 640px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(244, 255, 247, 0.98) 0%, rgba(229, 250, 236, 0.9) 36%, rgba(220, 252, 231, 0.56) 74%, rgba(220, 252, 231, 0.24) 100%),
    linear-gradient(180deg, rgba(244, 255, 247, 0.18) 0%, rgba(237, 253, 242, 0.82) 100%),
    url("/assets/cyber-hero.png");
  background-position: center;
  background-size: cover;
}

.hero-section::after {
  position: absolute;
  inset: auto 0 0;
  height: 130px;
  background: linear-gradient(180deg, rgba(245, 247, 251, 0), var(--page-bg));
  content: "";
}

.hero-inner,
.section-inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding: 96px 0 118px;
}

.hero-copy {
  max-width: 650px;
  padding: 30px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(231, 250, 238, 0.68));
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  box-shadow:
    0 26px 70px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 0 24px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(16px);
}

.hero-copy.ant-card,
.intro-copy.ant-card,
.stats-panel.ant-card,
.timeline-panel.ant-card {
  color: var(--light-muted);
}

.hero-kicker,
.section-kicker,
.stats-kicker {
  color: var(--primary);
  font-weight: 700;
}

.hero-kicker {
  color: #15803d;
}

.hero-title.ant-typography {
  margin: 14px 0 18px;
  color: var(--title);
  font-size: 64px;
  line-height: 1.06;
  letter-spacing: 0;
}

.hero-text.ant-typography {
  max-width: 590px;
  color: rgba(34, 69, 48, 0.8);
  font-size: 20px;
  line-height: 1.72;
}

.hero-actions {
  margin-top: 18px;
}

.ant-btn-primary.ant-btn-color-primary {
  color: #ffffff;
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(22, 163, 74, 0.22);
}

.ant-btn-primary.ant-btn-color-primary:not(:disabled):not(.ant-btn-disabled):hover {
  color: #ffffff;
  background: #15803d;
  border-color: #15803d;
}

.hero-secondary-button {
  color: #166534;
  border-color: rgba(22, 101, 52, 0.24);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.section {
  padding: 92px 0;
  position: relative;
}

.section::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 101, 52, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 101, 52, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, transparent, #000 16%, #000 84%, transparent);
  content: "";
}

.section-heading {
  position: relative;
  max-width: 720px;
  margin-bottom: 36px;
}

.section-heading .ant-typography {
  margin-bottom: 0;
}

.section-heading h2.ant-typography,
.wechat-copy h2.ant-typography {
  margin-top: 12px;
  color: var(--light-title);
  font-size: 38px;
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading .ant-typography + .ant-typography,
.wechat-copy .ant-typography + .ant-typography {
  margin-top: 14px;
  color: var(--light-muted);
  font-size: 16px;
  line-height: 1.78;
}

.intro-section {
  background: linear-gradient(180deg, rgba(237, 253, 242, 0.96), rgba(220, 248, 230, 0.92));
}

.intro-copy {
  position: relative;
  min-height: 100%;
  padding: 34px;
  color: var(--light-muted);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  box-shadow:
    0 22px 55px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.intro-copy .ant-typography {
  color: var(--light-muted);
}

.intro-copy h3.ant-typography {
  margin: 0 0 18px;
  color: var(--light-title);
  font-size: 24px;
}

.intro-copy p.ant-typography {
  color: var(--light-muted);
  line-height: 1.78;
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.tag-grid .ant-tag {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  margin: 0;
  padding: 0 12px;
  font-weight: 600;
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(82, 196, 26, 0.4);
}

.culture-grid {
  margin-top: 28px;
}

.culture-item {
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(22, 101, 52, 0.12);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  color: var(--light-muted);
}

.culture-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #166534;
  background: rgba(82, 196, 26, 0.16);
  border-radius: 8px;
}

.culture-item strong {
  display: block;
  margin-bottom: 5px;
  color: var(--light-title);
}

.culture-item p {
  margin: 0;
  color: var(--light-muted);
  line-height: 1.65;
}

.stats-panel {
  display: grid;
  gap: 16px;
  height: 100%;
  padding: 30px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(22, 163, 74, 0.86), rgba(15, 118, 110, 0.52)),
    rgba(255, 255, 255, 0.1);
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  box-shadow:
    0 24px 55px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(18px);
}

.stats-kicker {
  color: rgba(255, 255, 255, 0.9);
}

.stat-tile {
  min-height: 112px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.stat-tile .ant-card-body,
.stat-tile-content {
  width: 100%;
  min-height: 72px;
}

.stat-tile .ant-statistic-title,
.stat-tile .ant-statistic-content {
  color: #ffffff;
}

.stat-tile .ant-statistic-title {
  margin-bottom: 8px;
}

.honors-section {
  background:
    linear-gradient(180deg, rgba(228, 249, 236, 0.94) 0%, rgba(239, 253, 244, 0.98) 100%);
}

.timeline-panel {
  position: relative;
  padding: 34px 34px 10px;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: 8px;
  box-shadow:
    0 22px 55px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.timeline-item {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
}

.timeline-year {
  color: var(--primary);
  font-weight: 700;
}

.timeline-item strong {
  color: var(--light-title);
  font-size: 17px;
}

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

.wechat-section {
  background:
    linear-gradient(135deg, rgba(220, 252, 231, 0.86), rgba(209, 250, 229, 0.74)),
    var(--dark);
}

.wechat-inner {
  justify-content: space-between;
}

.wechat-copy {
  max-width: 660px;
}

.wechat-copy .section-kicker,
.wechat-copy h2.ant-typography {
  color: var(--title);
}

.wechat-copy .ant-typography + .ant-typography {
  color: var(--light-muted);
}

.wechat-card {
  flex: 0 0 320px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  box-shadow:
    0 22px 55px rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(16px);
}

.wechat-qrcode-image {
  display: block;
  width: min(238px, 100%);
  height: auto;
  border-radius: 8px;
}

.wechat-card span {
  color: var(--muted);
  font-weight: 600;
}

.site-footer {
  color: rgba(18, 48, 31, 0.72);
  text-align: center;
  background: #dcfce7;
}

@media (max-width: 900px) {
  .site-header {
    padding: 0 18px;
  }

  .brand {
    min-width: 44px;
  }

  .brand span {
    display: none;
  }

  .site-anchor {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-anchor::-webkit-scrollbar {
    display: none;
  }

  .site-anchor .ant-anchor {
    min-width: max-content;
  }

  .site-anchor .ant-anchor-link {
    padding-inline: 10px 0;
  }

  .hero-section {
    min-height: 620px;
    background-position: 60% center;
  }

  .hero-title.ant-typography {
    font-size: 48px;
  }

  .hero-text.ant-typography {
    font-size: 18px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading h2.ant-typography,
  .wechat-copy h2.ant-typography {
    font-size: 32px;
  }

  .wechat-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .wechat-card {
    flex-basis: auto;
    max-width: 340px;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 68px;
  }

  .site-header {
    gap: 8px;
  }

  .site-anchor .ant-anchor-link {
    padding-inline: 8px 0;
    font-size: 14px;
  }

  .hero-inner,
  .section-inner {
    width: min(100% - 32px, 1180px);
  }

  .hero-section {
    min-height: 590px;
  }

  .hero-inner {
    padding: 74px 0 96px;
  }

  .hero-title.ant-typography {
    font-size: 40px;
  }

  .hero-text.ant-typography {
    font-size: 16px;
  }

  .intro-copy,
  .stats-panel,
  .timeline-panel {
    padding: 22px;
  }

  .section-heading h2.ant-typography,
  .wechat-copy h2.ant-typography {
    font-size: 28px;
  }

  .culture-item-content {
    flex-direction: column;
  }

  .wechat-card {
    padding: 20px;
  }
}
