* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #E6EBF2;
  color: #243447;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

body.drawer-open {
  overflow: hidden;
}

a {
  color: #289CFF;
  text-decoration: none;
}

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

.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 {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo,
.drawer-logo,
.footer-logo {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}

.logo img {
  max-height: 52px;
  width: auto;
}

.nav-wrap {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
  flex-wrap: nowrap;
}

.nav a,
.more-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 23px 0 19px;
  color: #4E5F7A;
  border: 0;
  background: transparent;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

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

.nav a.active::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 12px;
  height: 3px;
  border-radius: 99px;
  background: #289CFF;
}

.header-action {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 24px;
  border-radius: 999px;
  background: linear-gradient(180deg, #32D1F6 0%, #27B9F4 35%, #249BFF 100%);
  color: #FFFFFF;
  box-shadow: 0 10px 24px rgba(36,155,255,0.25);
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.main-btn:hover {
  background: linear-gradient(180deg, #48D9F7 0%, #1E90F0 100%);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(36,155,255,0.30);
}

.dropdown,
.more-dropdown {
  position: relative;
}

.dropdown-menu,
.more-menu {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 180px;
  padding: 8px;
  background: #FFFFFF;
  border: 1px solid rgba(40,156,255,0.12);
  border-radius: 14px;
  box-shadow: 0 18px 38px rgba(56,92,138,0.16);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

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

.dropdown-menu a,
.more-menu a {
  display: block;
  padding: 10px 14px;
  color: #4E5F7A;
  white-space: nowrap;
  border-radius: 10px;
  font-weight: 700;
}

.dropdown-menu a:hover,
.more-menu a:hover {
  color: #289CFF;
  background: rgba(40,156,255,0.08);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 12px;
  background: #FFFFFF;
  box-shadow: 0 8px 18px rgba(56,92,138,0.12);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: #4E5F7A;
  border-radius: 99px;
}

.drawer-mask {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(36,52,71,0.36);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.drawer-mask.show {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 10002;
  width: min(84vw, 320px);
  background: #FFFFFF;
  box-shadow: 18px 0 40px rgba(36,52,71,0.18);
  transform: translateX(-105%);
  transition: transform .24s ease;
  overflow-y: auto;
}

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

.drawer-head {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(40,156,255,0.12);
  background: #F5F7FB;
}

.drawer-logo img {
  max-height: 48px;
}

.drawer-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: #FFFFFF;
  color: #289CFF;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

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

.drawer-nav a {
  padding: 12px 14px;
  border-radius: 12px;
  color: #4E5F7A;
  font-weight: 700;
  background: #F5F7FB;
}

.drawer-nav a:hover {
  color: #289CFF;
  background: rgba(40,156,255,0.09);
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 54px 0;
}

.page-main {
  padding-bottom: 28px;
}

h1,
h2,
h3,
.section-title {
  margin: 0 0 16px;
  color: #289CFF;
  line-height: 1.25;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(25px, 3vw, 36px);
}

h3 {
  font-size: 21px;
}

p {
  margin: 0 0 14px;
}

.lead {
  font-size: 18px;
  color: #4E5F7A;
}

.muted,
.card p,
.zone-card p,
.info-card p,
.review-card p,
.faq-item p,
.notice p {
  color: #66788A;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 5px 13px;
  border-radius: 999px;
  color: #289CFF;
  background: rgba(40,156,255,0.10);
  font-weight: 800;
}

.banner-slider {
  max-width: 1200px;
  height: clamp(230px, 44vw, 520px);
  margin: 28px auto 36px;
  border-radius: 20px;
  background: #FFFFFF;
  box-shadow: 0 18px 40px rgba(56,92,138,0.12);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

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

.slide {
  display: none;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
}

.slide.active {
  display: flex;
}

.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%;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  transform: translateY(-50%);
  color: #FFFFFF;
  background: rgba(36,52,71,0.40);
  font-size: 26px;
  cursor: pointer;
}

.slider-arrow:hover {
  background: rgba(40,156,255,0.88);
}

.slider-arrow.prev {
  left: 16px;
}

.slider-arrow.next {
  right: 16px;
}

.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 9px;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border: 0;
  padding: 0;
  border-radius: 50%;
  background: rgba(78,95,122,0.35);
  cursor: pointer;
}

.slider-dot.active {
  width: 28px;
  border-radius: 99px;
  background: #289CFF;
}

.hero-panel,
.page-hero {
  background: linear-gradient(180deg, rgba(245,247,251,0.94), rgba(238,242,247,0.84));
}

.hero-grid,
.split {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 34px;
  align-items: center;
}

.content-img,
.zone-card img,
.app-section img,
.hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 22px;
  box-shadow: 0 18px 38px rgba(56,92,138,0.13);
  background: #FFFFFF;
  object-fit: contain;
}

.grid-four,
.grid-three,
.grid-two,
.review-grid,
.faq-grid,
.entry-grid {
  display: grid;
  gap: 20px;
}

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

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

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

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice,
.stat-card {
  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);
  border-radius: 22px;
  padding: 24px;
}

.card-link {
  display: inline-flex;
  margin-top: 8px;
  font-weight: 800;
  color: #289CFF;
}

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

.tag-list span,
.steps span {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  color: #289CFF;
  background: rgba(40,156,255,0.10);
  font-weight: 800;
}

.number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 50%;
  color: #FFFFFF;
  background: #289CFF;
  font-weight: 900;
}

.notice {
  background: #DDE4EE;
}

.notice strong {
  color: #289CFF;
}

.faq-item h3 {
  font-size: 19px;
}

.site-footer {
  background: #243447;
  color: #EAF3FF;
  padding-top: 46px;
}

.site-footer p,
.site-footer a {
  color: #EAF3FF;
}

.site-footer a {
  display: block;
  margin: 7px 0;
  opacity: .88;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr .7fr;
  gap: 28px;
}

.footer-logo img {
  max-height: 52px;
  margin-bottom: 16px;
}

.footer-bottom {
  margin-top: 34px;
  padding: 18px 16px;
  text-align: center;
  border-top: 1px solid rgba(234,243,255,0.12);
}

.footer-bottom p {
  margin: 0;
  color: #EAF3FF;
}

@media (max-width: 1100px) {
  .nav {
    gap: 12px;
  }

  .nav a,
  .more-trigger {
    font-size: 14px;
  }
}

@media (max-width: 920px) {
  .header-inner {
    min-height: 66px;
    gap: 12px;
  }

  .menu-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .nav-wrap {
    display: none;
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .logo img {
    max-height: 46px;
  }

  .header-action .main-btn {
    min-height: 38px;
    padding: 8px 17px;
  }

  .hero-grid,
  .split,
  .grid-four,
  .grid-three,
  .grid-two,
  .entry-grid,
  .review-grid,
  .faq-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 40px 0;
  }

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

  .banner-slider {
    width: min(100% - 24px, 1200px);
    margin-top: 20px;
    border-radius: 16px;
    height: clamp(210px, 58vw, 380px);
  }

  .slider-arrow {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  h1 {
    font-size: 31px;
  }

  .lead {
    font-size: 16px;
  }

  .header-inner {
    width: min(100% - 20px, 1220px);
  }

  .header-action .main-btn {
    padding: 8px 14px;
  }

  .slider-arrow.prev {
    left: 10px;
  }

  .slider-arrow.next {
    right: 10px;
  }
}