html,
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

.wrap {
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: #fff;
}

.header-wrap {
  height: 100%;
  display: grid;
  grid-template-columns: 170px 1fr;
  grid-template-rows: 52px 1fr;
  column-gap: 20px;
  align-items: stretch;
}

.logo {
  grid-row: 1 / 3;
  display: flex;
  align-items: flex-end;
  padding-bottom: 16px;
}

.logo img {
  width: 170px;
  height: auto;
}

.header-meta {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  padding-top: 10px;
}

.hotline {
  color: var(--brand);
  font-size: 16px;
  letter-spacing: 0.2px;
}

.lang {
  display: flex;
  width: 106px;
  height: 33px;
  border: 1px solid var(--brand);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.lang-btn {
  flex: 1;
  font-size: 14px;
  color: var(--brand);
}

.lang-btn.is-active {
  background: var(--brand);
  color: #fff;
}

.nav {
  grid-column: 2;
  display: flex;
  align-items: flex-end;
  padding-bottom: 14px;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  margin-left: auto;
  font-size: 22px;
  color: var(--brand);
}

.nav-list {
  display: flex;
  align-items: center;
  width: 100%;
  height: 45px;
  padding: 0 18px 0 28px;
  background: var(--brand-soft);
  border-radius: var(--radius-pill);
  justify-content: space-between;
}

.nav-list a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  height: 36px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  color: #3a3a3a;
  white-space: nowrap;
}

.nav-list a.is-active,
.nav-list a:hover {
  background: var(--brand);
  color: #fff;
}

.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
}

.hero img {
  width: 100%;
  height: auto;
}

.hero-hotspot {
  position: absolute;
  display: block;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--brand-softer);
}

.en-title {
  color: var(--brand);
  font-size: 14px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  font-weight: 400;
}

.cn-title {
  margin-top: 6px;
  color: var(--brand);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 1px;
}

.lead {
  margin-top: 18px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.9;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--brand);
  color: var(--brand);
  font-size: 15px;
  transition: 0.2s;
}

.btn:hover {
  background: var(--brand);
  color: #fff;
}

.btn-solid {
  background: var(--brand);
  color: #fff;
}

.btn-solid:hover {
  background: var(--brand-dark);
}

.btn-light {
  background: rgba(255, 255, 255, 0.16);
  border-color: #fff;
  color: #fff;
}

.btn-light:hover {
  background: #fff;
  color: var(--brand);
}

.site-footer {
  position: relative;
  color: #fff;
  background: url("../assets/images/footer-bg.png") center / cover no-repeat;
  background-color: #2aa4e8;
  min-height: var(--footer-h);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #4ecfe4 0%, #2b9ee8 42%, #6ec4ee 100%);
  opacity: 0.92;
}

.footer-inner {
  position: relative;
  z-index: 1;
  padding: 72px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 410px 1fr 150px;
  gap: 24px;
  min-height: 470px;
}

.footer-brand .logo-white {
  width: 270px;
}

.footer-slogan {
  margin-top: 52px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 1px;
}

.footer-cta {
  display: inline-flex;
  margin-top: 56px;
  height: 48px;
  padding: 0 28px;
  border: 1px solid #fff;
  border-radius: var(--radius-pill);
  align-items: center;
  font-size: 16px;
  letter-spacing: 0.5px;
}

.footer-cta:hover {
  background: #fff;
  color: var(--brand);
}

.footer-maps {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px 10px;
  padding-top: 86px;
}

.footer-maps h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-maps a,
.footer-maps span {
  display: block;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.92);
}

.footer-maps a:hover {
  text-decoration: underline;
}

.footer-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-top: 78px;
}

.social {
  display: flex;
  gap: 12px;
  margin-bottom: 52px;
}

.social a {
  width: 32px;
  height: 32px;
  border: 1px solid #fff;
  border-radius: 50%;
  display: grid;
  place-items: center;
}

.social img {
  width: 16px;
  height: 16px;
  fill: #fff;
}

.footer-qr {
  width: 140px;
  background: #fff;
  padding: 6px;
}

.footer-copy {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 8px 0 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.92);
}

.footer-copy i {
  font-style: normal;
  opacity: 0.8;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(22, 90, 130, 0.94);
  color: #fff;
  padding: 12px 22px;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: 0.25s;
  z-index: 80;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1200px) {
  .header-wrap,
  .footer-grid {
    width: min(100% - 32px, 1200px);
  }

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

  .footer-side {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
  }

  .header-wrap {
    display: flex;
    flex-wrap: wrap;
    padding: 10px 0 12px;
    grid-template-columns: none;
  }

  .logo {
    padding-bottom: 0;
  }

  .header-meta {
    margin-left: auto;
    padding-top: 0;
  }

  .hotline {
    display: none;
  }

  .nav {
    width: 100%;
    padding-bottom: 0;
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 46px;
    right: 0;
    width: min(240px, 80vw);
    height: auto;
    flex-direction: column;
    padding: 10px;
    background: #fff;
    box-shadow: var(--shadow);
    border-radius: 12px;
  }

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

  .nav-list a {
    width: 100%;
    justify-content: flex-start;
  }

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

  .footer-slogan {
    font-size: 24px;
  }

  .cn-title {
    font-size: 28px;
  }
}

@media (max-width: 640px) {
  .footer-grid,
  .footer-maps,
  .footer-side {
    grid-template-columns: 1fr;
    display: grid;
  }

  .footer-side {
    justify-items: start;
  }
}