* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  background: #E6EBF2;
  color: #243447;
  line-height: 1.72;
  overflow-x: hidden;
}

a {
  color: #289CFF;
  text-decoration: none;
  transition: all .22s ease;
}

a:hover {
  color: #1E90F0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: #F5F7FB;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(56,92,138,0.10);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  min-height: 78px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-logo {
  width: 142px;
  flex: 0 0 auto;
}

.brand-logo img,
.mobile-logo img,
.drawer-logo img,
.footer-brand img {
  object-fit: contain;
}

.nav-menu {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.nav-menu a {
  position: relative;
  padding: 25px 5px 23px;
  color: #4E5F7A;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.nav-menu a.active,
.nav-menu a:hover {
  color: #289CFF;
}

.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 14px;
  height: 3px;
  border-radius: 99px;
  background: #289CFF;
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
  color: #FFFFFF !important;
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(36,155,255,0.25);
  font-weight: 800;
  letter-spacing: .02em;
  border: 0;
}

.main-btn:hover {
  background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
  transform: translateY(-1px);
  color: #FFFFFF !important;
}

.header-btn {
  flex: 0 0 auto;
}

.small-btn {
  min-height: 38px;
  padding: 0 18px;
  font-size: 14px;
}

.mobile-topbar {
  display: none;
}

.site-main {
  width: 100%;
}

.container,
.section-wrap {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.banner-slider {
  max-width: 1200px;
  margin: 28px auto 36px;
  border-radius: 20px;
  background: #FFFFFF;
  box-shadow: 0 18px 40px rgba(56,92,138,0.12);
  overflow: hidden;
  position: relative;
  height: clamp(220px, 44vw, 520px);
}

.banner-track,
.slide {
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .55s ease;
}

.slide.active {
  opacity: 1;
  pointer-events: auto;
}

.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #FFFFFF;
}

.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
  display: none !important;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.86);
  color: #289CFF;
  box-shadow: 0 8px 20px rgba(56,92,138,.16);
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  z-index: 3;
}

.slider-arrow:hover {
  background: #FFFFFF;
}

.slider-prev {
  left: 18px;
}

.slider-next {
  right: 18px;
}

.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 3;
}

.slider-dots button {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  padding: 0;
  border: 0;
  background: rgba(78,95,122,.32);
  cursor: pointer;
}

.slider-dots button.active {
  width: 28px;
  background: #289CFF;
}

.section {
  padding: 38px 0;
}

.section.compact {
  padding: 24px 0;
}

.section-title {
  margin: 0 0 16px;
  color: #289CFF;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.25;
  letter-spacing: -.02em;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #289CFF;
  font-weight: 800;
  background: rgba(40,156,255,.10);
  border: 1px solid rgba(40,156,255,.16);
  border-radius: 999px;
  padding: 6px 13px;
  margin-bottom: 14px;
}

.section-lead {
  margin: 0;
  color: #66788A;
  font-size: 17px;
}

.hero-panel,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-card,
.page-hero {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(40,156,255,0.16);
  box-shadow: 0 14px 36px rgba(56,92,138,0.10);
}

.hero-panel {
  border-radius: 24px;
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  align-items: center;
}

.hero-panel h1,
.page-hero h1 {
  margin: 0 0 18px;
  color: #289CFF;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.18;
}

.hero-panel p,
.page-hero p,
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p,
.notice-card p {
  color: #243447;
}

.muted {
  color: #66788A !important;
}

.help-text {
  color: #8A9AAF !important;
  font-size: 14px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.content-img {
  max-width: 100%;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 22px;
  background: #F5F7FB;
  box-shadow: 0 12px 28px rgba(56,92,138,.10);
}

.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,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-card {
  border-radius: 20px;
  padding: 24px;
}

.card h3,
.zone-card h3,
.info-card h3,
.review-card h3,
.faq-item h3,
.notice-card h3 {
  margin: 0 0 10px;
  color: #289CFF;
  line-height: 1.35;
}

.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p,
.notice-card p {
  margin: 0 0 12px;
}

.card-link {
  display: inline-flex;
  margin-top: 6px;
  font-weight: 800;
  color: #289CFF;
}

.numbered {
  counter-reset: service-counter;
}

.numbered .info-card {
  position: relative;
  padding-top: 58px;
}

.numbered .info-card::before {
  counter-increment: service-counter;
  content: counter(service-counter, decimal-leading-zero);
  position: absolute;
  left: 24px;
  top: 18px;
  color: #289CFF;
  font-size: 22px;
  font-weight: 900;
}

.zone-card img,
.app-section img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 18px;
  background: #F5F7FB;
  margin-bottom: 18px;
}

.band {
  background: #EEF2F7;
  padding: 46px 0;
  margin: 32px 0;
}

.band.alt {
  background: #DDE4EE;
}

.page-hero {
  width: min(1200px, calc(100% - 40px));
  margin: 30px auto 34px;
  border-radius: 26px;
  padding: clamp(24px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 34px;
  align-items: center;
}

.page-hero.no-image {
  grid-template-columns: 1fr;
}

.breadcrumb {
  margin-bottom: 12px;
  color: #8A9AAF;
  font-size: 14px;
}

.breadcrumb a {
  font-weight: 700;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.tag-list span {
  color: #289CFF;
  background: rgba(40,156,255,.10);
  border: 1px solid rgba(40,156,255,.16);
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
}

.check-list {
  padding: 0;
  margin: 14px 0 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  color: #243447;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #289CFF;
  box-shadow: 0 0 0 5px rgba(40,156,255,.11);
}

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

.notice-strip {
  width: min(1200px, calc(100% - 40px));
  margin: 28px auto 52px;
  border-radius: 22px;
  background: #FFFFFF;
  border: 1px solid rgba(40,156,255,0.16);
  box-shadow: 0 14px 36px rgba(56,92,138,0.10);
  padding: 24px;
}

.notice-strip strong {
  color: #289CFF;
}

.site-footer {
  background: #243447;
  color: #EAF3FF;
  margin-top: 40px;
}

.footer-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 44px 0 26px;
  display: grid;
  grid-template-columns: 1.3fr .7fr .7fr;
  gap: 34px;
}

.footer-brand img {
  width: 148px;
  margin-bottom: 16px;
}

.footer-brand p,
.footer-notice,
.footer-links a {
  color: #EAF3FF;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 8px;
}

.footer-links h3 {
  margin: 0 0 10px;
  color: #EAF3FF;
}

.footer-links a:hover {
  color: #32D1F6;
}

.footer-notice {
  border-top: 1px solid rgba(234,243,255,.16);
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 24px;
  font-size: 14px;
}

.drawer-overlay,
.mobile-drawer {
  display: none;
}

@media (max-width: 1180px) {
  .header-inner {
    gap: 12px;
  }

  .nav-menu a {
    font-size: 12px;
    padding-left: 3px;
    padding-right: 3px;
  }

  .brand-logo {
    width: 122px;
  }

  .main-btn {
    padding-left: 18px;
    padding-right: 18px;
  }
}

@media (max-width: 960px) {
  .header-inner {
    display: none;
  }

  .mobile-topbar {
    min-height: 64px;
    padding: 0 16px;
    display: grid;
    grid-template-columns: 46px 1fr auto;
    align-items: center;
    gap: 12px;
    background: #F5F7FB;
  }

  .menu-toggle,
  .drawer-close {
    border: 0;
    background: #FFFFFF;
    color: #289CFF;
    border-radius: 13px;
    box-shadow: 0 8px 18px rgba(56,92,138,.10);
    cursor: pointer;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
    font-size: 24px;
  }

  .mobile-logo {
    justify-self: center;
    width: 138px;
  }

  .drawer-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(14,25,40,.46);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    z-index: 10000;
  }

  .mobile-drawer {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    box-shadow: 18px 0 40px rgba(16,36,65,.20);
    transform: translateX(-105%);
    transition: transform .28s ease;
    z-index: 10001;
    overflow-y: auto;
  }

  body.drawer-open {
    overflow: hidden;
  }

  body.drawer-open .drawer-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  body.drawer-open .mobile-drawer {
    transform: translateX(0);
  }

  .drawer-head {
    min-height: 72px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #F5F7FB;
    border-bottom: 1px solid rgba(40,156,255,.12);
  }

  .drawer-logo {
    width: 142px;
  }

  .drawer-close {
    width: 38px;
    height: 38px;
    font-size: 24px;
  }

  .drawer-nav {
    display: grid;
    padding: 14px;
    gap: 6px;
  }

  .drawer-nav a {
    color: #4E5F7A;
    padding: 12px 14px;
    border-radius: 14px;
    font-weight: 800;
    background: #F5F7FB;
  }

  .drawer-nav a.active,
  .drawer-nav a:hover {
    color: #289CFF;
    background: rgba(40,156,255,.10);
  }

  .banner-slider {
    margin-top: 18px;
    width: min(1200px, calc(100% - 24px));
    border-radius: 16px;
    height: clamp(180px, 50vw, 360px);
  }

  .hero-panel,
  .page-hero,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section {
    padding: 28px 0;
  }
}

@media (max-width: 640px) {
  .container,
  .section-wrap,
  .page-hero,
  .notice-strip,
  .footer-inner,
  .footer-notice {
    width: min(100% - 24px, 1200px);
  }

  .mobile-logo {
    width: 122px;
  }

  .small-btn {
    min-height: 36px;
    padding: 0 15px;
  }

  .banner-slider {
    height: clamp(168px, 56vw, 280px);
  }

  .slider-arrow {
    width: 34px;
    height: 34px;
    font-size: 24px;
  }

  .slider-prev {
    left: 10px;
  }

  .slider-next {
    right: 10px;
  }

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

  .hero-panel,
  .page-hero,
  .card,
  .zone-card,
  .info-card,
  .review-card,
  .faq-item,
  .notice-card {
    border-radius: 18px;
    padding: 20px;
  }

  .section-title {
    font-size: 27px;
  }

  .footer-inner {
    gap: 22px;
  }
}