:root {
  --page-bg: #E6EBF2;
  --surface: #FFFFFF;
  --surface-soft: #F4F7FB;
  --surface-blue: #EAF5FF;
  --brand: #289CFF;
  --brand-deep: #168CE8;
  --border: #D7E8F6;
  --title: #2E3C52;
  --text: #3F4D63;
  --muted: #6F7D91;
  --subtle: #95A1B2;
  --footer: #2C3B52;
  --shadow: 0 14px 36px rgba(54, 91, 135, 0.14);
  --radius: 20px;
}
* {
  box-sizing: border-box;
}
html {
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--page-bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
}
body.drawer-open {
  overflow: hidden;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(54, 91, 135, 0.12);
}
.header-inner {
  width: min(1280px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  overflow: visible;
}
.brand-logo {
  width: 150px;
  flex: 0 0 150px;
}
.brand-logo img,
.mobile-logo img,
.drawer-logo img,
.footer-brand img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.nav-core {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 1.4vw, 20px);
  flex-wrap: nowrap;
  min-width: 0;
}
.nav-core a,
.app-entry {
  white-space: nowrap;
  color: #48566D;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: color .2s ease;
}
.nav-core a:hover,
.nav-core a.active,
.app-entry:hover {
  color: var(--brand);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2BC1F4 0%, #26B5F7 55%, #25A8FB 100%);
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(37, 168, 251, 0.25);
  transition: transform .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(37, 168, 251, 0.32);
}
.menu-trigger,
.mobile-menu-button,
.drawer-close {
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--title);
  border-radius: 999px;
  min-height: 42px;
  padding: 0 16px;
  cursor: pointer;
  font-weight: 800;
}
.more-menu {
  position: relative;
  flex-shrink: 0;
}
.more-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  min-width: 230px;
  padding: 10px;
  border-radius: 18px;
  background: #FFFFFF;
  border: 1px solid rgba(40, 156, 255, 0.16);
  box-shadow: 0 18px 42px rgba(54, 91, 135, 0.16);
  z-index: 10000;
}
.more-dropdown a {
  display: block;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
}
.more-dropdown a:hover {
  color: var(--brand);
  background: var(--surface-blue);
}
.mobile-header {
  display: none;
}
.site-main {
  position: relative;
  z-index: 1;
}
.banner-slider {
  width: min(1280px, calc(100% - 40px));
  margin: 24px auto 20px;
  border-radius: 22px;
  background: #FFFFFF;
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  z-index: 1;
  aspect-ratio: 16 / 6.3;
}
.slides,
.slide {
  width: 100%;
  height: 100%;
}
.slide {
  display: none;
}
.slide.active {
  display: block;
}
.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #E6EBF2;
}
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .88);
  color: var(--brand-deep);
  font-size: 24px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(54, 91, 135, .18);
}
.slider-arrow.prev {
  left: 18px;
}
.slider-arrow.next {
  right: 18px;
}
.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.slider-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .65);
  cursor: pointer;
}
.slider-dot.active {
  width: 26px;
  border-radius: 999px;
  background: var(--brand);
}
.notice-bar {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 18px;
  border-radius: 16px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  color: var(--muted);
}
.notice-bar strong {
  color: var(--brand-deep);
}
.notice-links {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}
.notice-links a,
.text-link {
  color: var(--brand);
  font-weight: 800;
  text-decoration: none;
}
.section {
  padding: 36px 0;
}
.section-soft {
  background: rgba(244, 247, 251, .72);
}
.section-blue {
  background: var(--surface-blue);
}
.section-heading {
  max-width: 760px;
  margin: 0 auto 26px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
}
h1,
h2,
h3,
.section-title {
  margin-top: 0;
  color: var(--title);
  line-height: 1.35;
}
h1 {
  font-size: clamp(30px, 4.3vw, 52px);
}
h2 {
  font-size: clamp(24px, 3vw, 34px);
}
h3 {
  font-size: 20px;
}
p {
  margin-top: 0;
}
.lead {
  color: var(--muted);
  font-size: 18px;
}
.split-panel {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
  padding: 28px;
  border-radius: var(--radius);
  background: #FFFFFF;
  border: 1px solid rgba(40, 156, 255, .16);
  box-shadow: var(--shadow);
}
.split-panel.reverse .split-copy {
  order: 2;
}
.split-panel.reverse .split-media {
  order: 1;
}
.split-media {
  border-radius: 18px;
  overflow: hidden;
  background: var(--surface-soft);
}
.split-media img,
.content-img,
.zone-card img,
.app-section img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.action-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.content-block,
.step-card,
.service-card {
  background: #FFFFFF;
  border: 1px solid rgba(40, 156, 255, .16);
  box-shadow: 0 14px 36px rgba(54, 91, 135, .12);
  border-radius: 18px;
}
.card {
  padding: 22px;
}
.card p {
  color: var(--muted);
  font-size: 15px;
}
.card h3 {
  margin-bottom: 10px;
}
.three-grid,
.two-grid,
.review-grid,
.steps-grid,
.service-grid {
  display: grid;
  gap: 20px;
}
.three-grid {
  grid-template-columns: repeat(3, 1fr);
}
.two-grid {
  grid-template-columns: repeat(2, 1fr);
}
.review-grid {
  grid-template-columns: repeat(3, 1fr);
}
.steps-grid {
  grid-template-columns: repeat(3, 1fr);
}
.service-grid {
  grid-template-columns: repeat(3, 1fr);
}
.zone-card {
  overflow: hidden;
}
.zone-card img {
  aspect-ratio: 16 / 10;
  background: var(--surface-soft);
}
.zone-card .card-body {
  padding: 22px;
}
.zone-card p,
.info-card p,
.review-card p,
.service-card p {
  color: var(--muted);
}
.info-card,
.review-card,
.service-card,
.step-card {
  padding: 24px;
}
.review-card strong {
  display: block;
  margin-top: 14px;
  color: var(--brand-deep);
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  padding: 20px 22px;
}
.faq-item summary {
  cursor: pointer;
  color: var(--title);
  font-weight: 900;
}
.faq-item p {
  margin: 14px 0 0;
  color: var(--muted);
}
.inner-hero {
  padding: 56px 0 26px;
}
.inner-hero-panel {
  padding: 42px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 18%, rgba(40, 156, 255, .18), transparent 28%),
    linear-gradient(135deg, #FFFFFF 0%, #F4F9FF 100%);
  border: 1px solid rgba(40, 156, 255, .18);
  box-shadow: var(--shadow);
}
.inner-hero-panel p {
  max-width: 820px;
  color: var(--muted);
  font-size: 18px;
}
.breadcrumbs {
  margin-bottom: 18px;
  color: var(--subtle);
  font-size: 14px;
}
.breadcrumbs a {
  color: var(--brand);
  text-decoration: none;
}
.page-content {
  padding: 18px 0 56px;
}
.prose-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: start;
}
.prose-main {
  display: grid;
  gap: 22px;
}
.content-block {
  padding: 28px;
}
.content-block p:last-child,
.step-card p:last-child,
.service-card p:last-child {
  margin-bottom: 0;
}
.media-card {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 20px;
}
.media-card figure {
  margin: 0;
  padding: 14px;
  border-radius: 20px;
  background: #FFFFFF;
  border: 1px solid rgba(40, 156, 255, .16);
  box-shadow: var(--shadow);
}
.media-card img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  background: var(--surface-soft);
}
.media-card figcaption {
  padding: 12px 4px 2px;
  color: var(--muted);
  font-size: 14px;
}
.page-section-title {
  margin-bottom: 10px;
}
.number-badge {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--surface-blue);
  color: var(--brand-deep);
  font-weight: 900;
}
.quote-box {
  padding: 28px;
  border-left: 5px solid var(--brand);
  border-radius: 16px;
  background: #FFFFFF;
  box-shadow: var(--shadow);
}
.quote-box p {
  color: var(--muted);
  font-size: 17px;
}
.quote-box strong {
  color: var(--brand-deep);
}
.global-compliance {
  padding: 34px 0;
  background: #DDE9F4;
}
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.compliance-grid h2 {
  margin-bottom: 8px;
  font-size: 19px;
}
.compliance-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}
.site-footer {
  background: var(--footer);
  color: #EDF6FF;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr .7fr .7fr;
  gap: 36px;
  padding: 48px 0;
}
.footer-brand img {
  width: 150px;
  filter: brightness(0) invert(1);
}
.footer-brand p {
  max-width: 560px;
  margin-top: 18px;
  color: #C9D8E8;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links h2 {
  margin-bottom: 6px;
  color: #FFFFFF;
  font-size: 17px;
}
.footer-links a {
  color: #DDEBFA;
  text-decoration: none;
}
.footer-links a:hover {
  color: #7FCBFF;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.footer-bottom p {
  margin: 0;
  padding: 18px 0;
  color: #B8C9DA;
  font-size: 13px;
  text-align: center;
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 11000;
  background: rgba(29, 49, 74, .5);
}
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 12000;
  width: min(340px, 88vw);
  padding: 18px;
  background: #FFFFFF;
  box-shadow: 20px 0 50px rgba(31, 54, 83, .22);
  transform: translateX(-105%);
  transition: transform .26s ease;
  overflow-y: auto;
}
.mobile-drawer.open {
  transform: translateX(0);
}
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.drawer-logo {
  width: 132px;
}
.drawer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding-top: 18px;
}
.drawer-nav a {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}
.drawer-nav a:hover {
  color: var(--brand);
  background: var(--surface-blue);
}
@media (max-width: 1100px) {
  .desktop-header {
    display: none;
  }
  .mobile-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
  }
  .mobile-menu-button {
    justify-self: start;
  }
  .mobile-logo {
    width: 132px;
    justify-self: center;
  }
  .mobile-register {
    justify-self: end;
    min-height: 40px;
    padding: 0 18px;
  }
  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .prose-grid {
    grid-template-columns: 1fr;
  }
  .media-card {
    position: static;
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 820px) {
  .container,
  .notice-bar {
    width: min(100% - 28px, 1180px);
  }
  .banner-slider {
    width: min(100% - 28px, 1280px);
    margin-top: 16px;
    border-radius: 16px;
    aspect-ratio: 16 / 7.4;
  }
  .split-panel {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  .split-panel.reverse .split-copy,
  .split-panel.reverse .split-media {
    order: initial;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .three-grid,
  .review-grid,
  .steps-grid,
  .service-grid,
  .compliance-grid {
    grid-template-columns: 1fr;
  }
  .two-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .inner-hero-panel {
    padding: 28px 22px;
  }
}
@media (max-width: 560px) {
  .header-inner {
    width: calc(100% - 20px);
    min-height: 64px;
    gap: 8px;
  }
  .mobile-menu-button {
    min-height: 38px;
    padding: 0 12px;
    font-size: 13px;
  }
  .mobile-logo {
    width: 112px;
  }
  .mobile-register {
    min-height: 38px;
    padding: 0 15px;
    font-size: 14px;
  }
  .banner-slider {
    width: calc(100% - 20px);
    aspect-ratio: 16 / 8.2;
  }
  .slider-arrow {
    width: 36px;
    height: 36px;
    font-size: 19px;
  }
  .slider-arrow.prev {
    left: 10px;
  }
  .slider-arrow.next {
    right: 10px;
  }
  .notice-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .notice-links {
    width: 100%;
    justify-content: space-between;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 28px 0;
  }
  .card,
  .info-card,
  .review-card,
  .service-card,
  .step-card,
  .content-block {
    padding: 20px;
  }
  .media-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .footer-brand {
    grid-column: auto;
  }
  .drawer-nav {
    grid-template-columns: 1fr;
  }
}