* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding-top: 126px;
  background: #0E1730;
  color: #EAF0FF;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.7;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: #121C3D;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 28px rgba(0,0,0,0.2);
}
.top-nav {
  background: #121C3D;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.site-logo {
  color: #FFFFFF;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}
.nav-core {
  display: flex;
  align-items: center;
  gap: 22px;
  white-space: nowrap;
  flex-wrap: nowrap;
}
.nav-core a {
  color: #FFFFFF;
  position: relative;
  font-size: 15px;
  transition: color .2s ease;
}
.nav-core a:hover,
.nav-core a.active {
  color: #FFFFFF;
}
.nav-core a:hover {
  color: #89A5FF;
}
.nav-core a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #6B8DFF;
  transform: translateX(-50%);
}
.register-btn,
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 24px;
  background: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%);
  color: #FFFFFF;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(107,141,255,0.28);
  white-space: nowrap;
}
.register-btn:hover,
.main-btn:hover {
  transform: translateY(-1px);
}
.channel-bar {
  background: #162447;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.channel-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar {
  display: none;
}
.channel-bar a {
  display: inline-flex;
  align-items: center;
  color: #B7C3E0;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 14px;
  white-space: nowrap;
}
.channel-bar a:hover,
.channel-bar a.active {
  color: #FFFFFF;
  background: rgba(107,141,255,0.18);
}
.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
  padding: 9px;
}
.mobile-menu-btn span {
  display: block;
  height: 2px;
  margin: 5px 0;
  border-radius: 99px;
  background: #FFFFFF;
}
.site-main {
  min-height: 60vh;
}
.section {
  margin: 34px auto;
}
.section-head {
  margin-bottom: 18px;
}
.kicker {
  color: #89A5FF;
  font-weight: 700;
  letter-spacing: .5px;
  margin: 0 0 8px;
}
h1,
h2,
h3,
.section-title {
  color: #FFFFFF;
  line-height: 1.25;
}
h1 {
  font-size: clamp(30px, 4vw, 52px);
  margin: 0 0 18px;
}
h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 14px;
}
h3 {
  font-size: 20px;
  margin: 0 0 10px;
}
p {
  color: #B7C3E0;
  margin: 0 0 14px;
}
.banner-slider {
  max-width: 1180px;
  margin: 24px auto 34px;
  border-radius: 22px;
  background: #162447;
  box-shadow: 0 14px 32px rgba(0,0,0,0.28);
  overflow: hidden;
  position: relative;
  height: clamp(260px, 31vw, 360px);
}
.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #162447;
}
.slide-img {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.015);
  transition: opacity .45s ease, transform .45s ease;
}
.slide-img.active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}
.slider-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(10,16,36,0.62);
  color: #FFFFFF;
  font-size: 28px;
  cursor: pointer;
}
.slider-arrow.prev {
  left: 16px;
}
.slider-arrow.next {
  right: 16px;
}
.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.slider-dot {
  width: 9px;
  height: 9px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,0.44);
  padding: 0;
  cursor: pointer;
}
.slider-dot.active {
  width: 26px;
  background: #6B8DFF;
}
.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
  display: none !important;
}
.card,
.zone-card,
.info-card,
.review-card,
.page-hero,
.notice-box,
.faq-item,
.feature-card {
  background: #1A2954;
  border: 1px solid rgba(107,141,255,0.18);
  box-shadow: 0 14px 32px rgba(0,0,0,0.28);
  border-radius: 18px;
}
.page-hero {
  padding: clamp(28px, 5vw, 56px);
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 34px;
  align-items: center;
  overflow: hidden;
}
.hero-text {
  max-width: 720px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.hero-img,
.content-img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  background: #162447;
  border-radius: 18px;
  padding: 8px;
}
.grid {
  display: grid;
  gap: 18px;
}
.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));
}
.info-card,
.feature-card,
.review-card,
.faq-item,
.notice-box {
  padding: 22px;
}
.info-card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 999px;
  color: #FFFFFF;
  background: rgba(107,141,255,0.28);
}
.feature-card img,
.zone-card img,
.info-card img,
.content-img {
  max-width: 100%;
  height: auto;
  max-height: 230px;
  object-fit: contain;
}
.product-card img,
.zone-card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #162447;
  border-radius: 16px;
  padding: 6px;
  margin-bottom: 14px;
}
.zone-card {
  padding: 16px;
}
.zone-card p,
.info-card p,
.feature-card p,
.review-card p,
.faq-item p {
  font-size: 15px;
}
.split {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 24px;
  align-items: center;
}
.panel {
  background: #162447;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: clamp(22px, 4vw, 34px);
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.tag-row span {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  color: #EAF0FF;
  background: rgba(107,141,255,0.16);
  border: 1px solid rgba(107,141,255,0.18);
}
.notice-box {
  background: #111D3D;
}
.notice-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.notice-list li {
  padding-left: 18px;
  position: relative;
  color: #B7C3E0;
}
.notice-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6B8DFF;
}
.review-card strong {
  color: #FFFFFF;
}
.faq-item h3 {
  color: #FFFFFF;
}
.table-list {
  display: grid;
  gap: 12px;
}
.table-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #B7C3E0;
}
.table-row strong {
  color: #FFFFFF;
}
.site-footer {
  margin-top: 54px;
  background: #0A1024;
  color: #C8D4F3;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  gap: 32px;
  padding: 42px 0 28px;
}
.footer-logo {
  color: #FFFFFF;
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 10px;
}
.site-footer h3 {
  font-size: 18px;
}
.site-footer a {
  display: block;
  color: #C8D4F3;
  margin: 8px 0;
}
.site-footer a:hover {
  color: #89A5FF;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0 26px;
  color: #8FA1C7;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 14px;
}
.drawer-mask,
.mobile-drawer,
.mobile-bottom-nav {
  display: none;
}
body.menu-open {
  overflow: hidden;
}
@media (max-width: 1024px) {
  .nav-core {
    gap: 14px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-hero,
  .split {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 760px) {
  body {
    padding-top: 66px;
    padding-bottom: 72px;
  }
  .container {
    width: min(100% - 24px, 1180px);
  }
  .site-header {
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .header-inner {
    min-height: 64px;
    gap: 10px;
    display: grid;
    grid-template-columns: 46px 1fr auto;
  }
  .mobile-menu-btn {
    display: block;
  }
  .site-logo {
    text-align: center;
    font-size: 22px;
  }
  .nav-core,
  .channel-bar {
    display: none;
  }
  .register-btn {
    min-height: 38px;
    padding: 0 16px;
  }
  .drawer-mask {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
  }
  .mobile-drawer {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    z-index: 1101;
    background: #121C3D;
    color: #FFFFFF;
    transform: translateX(-100%);
    transition: transform .25s ease;
    overflow-y: auto;
    box-shadow: 20px 0 38px rgba(0,0,0,0.32);
  }
  body.menu-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
  }
  body.menu-open .mobile-drawer {
    transform: translateX(0);
  }
  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .drawer-head strong {
    font-size: 22px;
  }
  .drawer-head button {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 999px;
    color: #FFFFFF;
    background: rgba(255,255,255,0.08);
    font-size: 24px;
  }
  .drawer-nav {
    display: grid;
    padding: 12px;
  }
  .drawer-nav a {
    padding: 13px 14px;
    border-radius: 12px;
    color: #EAF0FF;
  }
  .drawer-nav a.active,
  .drawer-nav a:hover {
    background: rgba(107,141,255,0.18);
    color: #FFFFFF;
  }
  .mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 980;
    background: rgba(18,28,61,0.96);
    border-top: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
  }
  .mobile-bottom-nav a {
    display: grid;
    justify-items: center;
    gap: 2px;
    padding: 8px 0 7px;
    color: #B7C3E0;
    font-size: 12px;
  }
  .mobile-bottom-nav a span {
    font-size: 18px;
    line-height: 1;
  }
  .mobile-bottom-nav a.active {
    color: #89A5FF;
  }
  .banner-slider {
    margin: 16px auto 24px;
    border-radius: 16px;
    height: clamp(150px, 46vw, 210px);
  }
  .slider-arrow {
    width: 34px;
    height: 34px;
    font-size: 22px;
  }
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .section {
    margin: 26px auto;
  }
  .page-hero {
    padding: 24px;
    gap: 20px;
  }
  .info-card,
  .feature-card,
  .review-card,
  .faq-item,
  .notice-box {
    padding: 18px;
  }
  .product-card img,
  .zone-card img {
    height: 138px;
  }
  .hero-img,
  .content-img {
    max-height: 220px;
  }
  .table-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    padding: 32px 0 22px;
  }
  .footer-bottom {
    flex-direction: column;
  }
}