html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

body > header,
#header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 14px 0 0;
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.94), rgba(248, 251, 255, 0));
  backdrop-filter: blur(10px);
}

body > header nav {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 249, 255, 0.92));
  border: 1px solid rgba(0, 162, 255, 0.1);
  box-shadow: 0 18px 44px rgba(10, 62, 104, 0.12);
}

body > header nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: #39546b;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.22s ease;
}

body > header nav a:hover,
body > header nav a.active {
  background: linear-gradient(135deg, #00a2ff 0%, #0085e8 100%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 133, 232, 0.28);
}

#header .main-header-content {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
}

#header .main-header-logo a {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

#header .main-header-logo img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(0, 162, 255, 0.12);
  box-shadow: 0 12px 30px rgba(0, 73, 128, 0.12);
  flex: 0 0 auto;
}

#header .brand-tag {
  display: inline-flex;
  align-items: center;
  color: #0b4f84;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

#header .main-header-right {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 18px 10px 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 249, 255, 0.92));
  border: 1px solid rgba(0, 162, 255, 0.1);
  box-shadow: 0 18px 44px rgba(10, 62, 104, 0.12);
}

#header .main-menu-wrapper {
  flex: 1 1 auto;
}

#header .main-menu-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

#header .main-menu-list li {
  list-style: none;
}

#header .main-menu-list a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: #39546b;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.22s ease;
}

#header .main-menu-list a:hover,
#header .main-menu-list a.is-active {
  background: linear-gradient(135deg, #00a2ff 0%, #0085e8 100%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 133, 232, 0.28);
}

#header .main-header-other {
  flex: 0 0 auto;
}

#header .main-header-other .phone {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

#header .main-header-other .phone::before {
  content: "咨询热线";
  color: #7090aa;
  font-size: 12px;
}

#header .main-header-other .phone span {
  color: #0a6ab6;
  font-size: 20px;
  font-weight: 800;
}

.db-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 14px 0 0;
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.92), rgba(248, 251, 255, 0));
  backdrop-filter: blur(10px);
}

.db-header-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 20px;
}

.db-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.db-brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(0, 162, 255, 0.12);
  box-shadow: 0 12px 30px rgba(0, 73, 128, 0.12);
  flex: 0 0 auto;
}

.db-brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.db-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.db-brand-copy strong {
  color: #0b4f84;
  font-size: 19px;
  letter-spacing: 0.12em;
}

.db-brand-copy small {
  color: #67849c;
  font-size: 12px;
  white-space: nowrap;
}

.db-nav-panel {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 18px 10px 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 249, 255, 0.92));
  border: 1px solid rgba(0, 162, 255, 0.1);
  box-shadow: 0 18px 44px rgba(10, 62, 104, 0.12);
}

.db-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.db-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: #39546b;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.22s ease;
}

.db-nav a:hover,
.db-nav a.is-active {
  background: linear-gradient(135deg, #00a2ff 0%, #0085e8 100%);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 133, 232, 0.28);
}

.db-phone {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  white-space: nowrap;
}

.db-phone-label {
  color: #7090aa;
  font-size: 12px;
}

.db-phone a {
  color: #0a6ab6;
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
}

.db-nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #00a2ff 0%, #0085e8 100%);
  box-shadow: 0 12px 24px rgba(0, 133, 232, 0.26);
  padding: 10px;
}

.db-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
}

.db-nav-toggle span + span {
  margin-top: 7px;
}

@media (max-width: 1080px) {
  body > header {
    padding: 10px 12px 0;
  }

  body > header nav {
    justify-content: flex-start;
  }

  #header .main-header-content {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 12px;
  }

  #header .main-header-right {
    flex-direction: column;
    align-items: stretch;
  }

  #header .main-menu-list {
    justify-content: flex-start;
  }

  #header .main-header-other .phone {
    align-items: flex-start;
  }

  .db-header-shell {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .db-nav-toggle {
    display: block;
  }

  .db-nav-panel {
    grid-column: 1 / -1;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    gap: 14px;
  }

  .db-nav-panel.is-open {
    display: flex;
  }

  .db-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .db-nav a {
    width: 100%;
    justify-content: flex-start;
    padding: 0 16px;
  }

  .db-phone {
    align-items: flex-start;
    padding: 6px 4px 0;
  }
}

@media (max-width: 720px) {
  body > header nav {
    padding: 10px 12px;
  }

  body > header nav a,
  #header .main-menu-list a {
    width: 100%;
    justify-content: flex-start;
  }

  .db-header {
    padding-top: 10px;
  }

  .db-header-shell {
    padding: 0 12px;
    gap: 12px;
  }

  .db-brand-copy small {
    white-space: normal;
  }

  .db-brand-mark {
    width: 50px;
    height: 50px;
  }
}

#header .main-header-other .phone::before {
  content: "咨询热线" !important;
}

.db-footer {
  margin-top: 56px;
  background: linear-gradient(180deg, #0d2340 0%, #102d50 100%);
  color: #eef6fd;
}

.db-footer-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 42px 20px 28px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 26px;
}

.db-footer h3,
.db-footer h4 {
  margin: 0 0 14px;
  color: #fff;
}

.db-footer p,
.db-footer a {
  color: rgba(238, 246, 253, 0.78);
  text-decoration: none;
  line-height: 1.9;
}

.db-footer-links a {
  display: block;
}

.db-footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: rgba(238, 246, 253, 0.66);
}

@media (max-width: 1080px) {
  .db-footer-shell {
    grid-template-columns: 1fr;
  }

  .db-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

#footer {
  background: linear-gradient(135deg, #00A2FF 0%, #00A2FF 100%) !important;
  color: #fff !important;
  padding: 60px 0 30px !important;
  text-align: left !important;
}

#footer .footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

#footer .footer-brand h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

#footer .footer-brand p {
  color: rgba(255,255,255,0.78);
  margin-bottom: 10px;
}

#footer .footer-links h4,
#footer .footer-contact h4,
#footer .footer-cert h4 {
  font-size: 18px;
  margin-bottom: 20px;
  color: #fff;
}

#footer .footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#footer .footer-links li {
  margin-bottom: 10px;
}

#footer .footer-links a,
#footer .footer-contact p,
#footer .footer-cert p {
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  margin-bottom: 10px;
}

#footer .footer-links a:hover {
  color: #fff;
}

#footer .footer-bottom {
  text-align: center !important;
  padding-top: 30px !important;
  border-top: 1px solid rgba(255,255,255,0.1) !important;
}

#footer .footer-bottom p {
  color: rgba(255,255,255,0.58);
  font-size: 14px;
  margin-bottom: 5px;
}

#footer .footer-bottom a,
#footer .footer-bottom a:visited {
  color: rgba(255,255,255,0.58);
  text-decoration: none;
}

#footer .footer-bottom a:hover,
#footer .footer-bottom a:active {
  color: #fff;
  text-decoration: underline;
}

@media (max-width: 992px) {
  #footer .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  #footer .footer-content {
    grid-template-columns: 1fr;
  }
}