* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #0E1730;
  color: #EAF0FF;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.72;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #121C3D;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 30px rgba(0,0,0,0.22);
}
.header-inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-logo, .footer-logo {
  color: #FFFFFF;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}
.nav-core {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  white-space: nowrap;
  flex-wrap: nowrap;
  flex: 1;
}
.nav-core a {
  color: #FFFFFF;
  position: relative;
  font-size: 15px;
  padding: 24px 0;
  transition: color .25s ease;
}
.nav-core a:hover, .nav-core a.active { color: #FFFFFF; }
.nav-core a:hover::after, .nav-core a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 13px;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #6B8DFF;
  transform: translateX(-50%);
}
.register-btn, .main-btn, .footer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(92,124,250,0.24);
}
.channel-bar {
  background: #162447;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.channel-scroll {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding: 10px 0;
}
.channel-bar a {
  display: inline-flex;
  align-items: center;
  color: #B7C3E0;
  padding: 8px 14px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 14px;
}
.channel-bar a:hover, .channel-bar a.active {
  color: #FFFFFF;
  background: rgba(107,141,255,0.18);
}
.site-main {
  padding-top: 126px;
  min-height: 70vh;
}
.section, .page-section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 36px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 18px;
}
h1, h2, h3, .section-title { color: #FFFFFF; line-height: 1.28; margin: 0; }
h1 { font-size: clamp(30px, 4vw, 54px); letter-spacing: -0.5px; }
h2 { font-size: clamp(24px, 3vw, 36px); }
h3 { font-size: 20px; }
p { color: #B7C3E0; margin: 0; }
.lead { color: #EAF0FF; font-size: 18px; }
.muted { color: #8FA1C7; font-size: 14px; }
.banner-slider {
  width: min(1180px, calc(100% - 32px));
  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);
  border: 1px solid rgba(107,141,255,0.18);
}
.slider-track {
  display: flex;
  height: 100%;
  transition: transform .55s ease;
}
.slider-slide {
  min-width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background: #162447;
}
.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #162447;
}
.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-radius: 999px;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(10,16,36,0.66);
  color: #FFFFFF;
  font-size: 26px;
  cursor: pointer;
}
.slider-arrow.prev { left: 16px; }
.slider-arrow.next { right: 16px; }
.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  display: flex;
  justify-content: center;
  gap: 9px;
}
.slider-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
}
.slider-dot.active { width: 24px; background: #6B8DFF; }
.hero-panel, .sub-hero, .card, .zone-card, .info-card, .review-card, .faq-card, .notice-card, .register-panel {
  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;
}
.hero-panel, .sub-hero, .register-panel {
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 28px;
  align-items: center;
}
.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 24px; }
.hero-media, .page-media {
  background: #162447;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  min-height: 220px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.hero-media img, .page-media img {
  width: 100%;
  height: 260px;
  object-fit: contain;
}
.flash-grid, .card-grid, .zone-grid, .review-grid, .faq-grid, .quick-grid, .matrix-grid, .article-grid {
  display: grid;
  gap: 18px;
}
.flash-grid { grid-template-columns: repeat(4, 1fr); }
.card-grid { grid-template-columns: repeat(3, 1fr); }
.zone-grid { grid-template-columns: repeat(4, 1fr); }
.review-grid { grid-template-columns: repeat(3, 1fr); }
.faq-grid { grid-template-columns: repeat(2, 1fr); }
.quick-grid { grid-template-columns: repeat(4, 1fr); }
.matrix-grid { grid-template-columns: repeat(3, 1fr); }
.article-grid { grid-template-columns: 1fr 1fr; }
.card, .zone-card, .info-card, .review-card, .faq-card, .notice-card { padding: 20px; }
.card h3, .zone-card h3, .info-card h3, .review-card h3, .faq-card h3, .notice-card h3 { margin-bottom: 10px; }
.info-card { display: grid; grid-template-columns: 170px 1fr; gap: 18px; align-items: center; }
.zone-card img, .info-card img, .content-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 230px;
  object-fit: contain;
  background: #162447;
  border-radius: 14px;
  margin-bottom: 14px;
}
.info-card img { height: 150px; margin-bottom: 0; }
.product-card img, .zone-card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #162447;
}
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 0; }
.badge-row span, .pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 11px;
  border-radius: 999px;
  color: #EAF0FF;
  background: rgba(107,141,255,0.16);
  border: 1px solid rgba(107,141,255,0.16);
  font-size: 13px;
}
.feature-list { display: grid; gap: 12px; margin: 18px 0 0; padding: 0; list-style: none; }
.feature-list li {
  color: #B7C3E0;
  padding-left: 22px;
  position: relative;
}
.feature-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #6B8DFF;
  position: absolute;
  left: 0;
  top: .72em;
}
.notice-strip {
  background: linear-gradient(135deg, rgba(107,141,255,0.18), rgba(17,29,61,0.92));
  border: 1px solid rgba(107,141,255,0.2);
  border-radius: 18px;
  padding: 18px 22px;
  color: #EAF0FF;
}
.site-footer {
  background: #0A1024;
  color: #C8D4F3;
  margin-top: 56px;
  padding: 44px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.35fr .8fr .8fr 1fr;
  gap: 28px;
}
.site-footer h3 { font-size: 17px; margin-bottom: 12px; }
.site-footer a { display: block; color: #C8D4F3; margin: 8px 0; }
.footer-bottom {
  width: min(1180px, calc(100% - 32px));
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: #8FA1C7;
  font-size: 14px;
}
.mobile-menu-btn { display: none; }
.drawer-overlay, .mobile-drawer, .mobile-bottom-nav { display: none; }
.register-panel { margin-top: 24px; grid-template-columns: 1fr auto; }
.table-like { display: grid; gap: 10px; }
.table-like div {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.table-like strong { color: #FFFFFF; }
@media (max-width: 980px) {
  .nav-core { gap: 14px; }
  .flash-grid, .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid, .zone-grid, .matrix-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-panel, .sub-hero { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .info-card { grid-template-columns: 1fr; }
  .info-card img { height: 190px; }
}
@media (max-width: 760px) {
  body { padding-bottom: 72px; }
  .header-inner { min-height: 62px; width: min(100% - 24px, 1180px); gap: 12px; }
  .site-logo { font-size: 23px; position: absolute; left: 50%; transform: translateX(-50%); }
  .nav-core { display: none; }
  .mobile-menu-btn {
    display: inline-flex;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
  }
  .mobile-menu-btn span { width: 18px; height: 2px; background: #FFFFFF; border-radius: 99px; }
  .register-btn { min-height: 38px; padding: 0 16px; margin-left: auto; }
  .channel-scroll { width: calc(100% - 24px); }
  .site-main { padding-top: 118px; }
  .banner-slider { height: clamp(150px, 46vw, 210px); margin-top: 16px; border-radius: 16px; }
  .slider-arrow { width: 34px; height: 34px; font-size: 22px; }
  .slider-arrow.prev { left: 8px; }
  .slider-arrow.next { right: 8px; }
  .section, .page-section { width: calc(100% - 24px); margin-bottom: 28px; }
  .section-head { display: block; }
  .section-head p { margin-top: 8px; }
  .hero-panel, .sub-hero, .register-panel { padding: 22px; grid-template-columns: 1fr; }
  .hero-media img, .page-media img { height: 210px; }
  .flash-grid, .card-grid, .zone-grid, .review-grid, .faq-grid, .quick-grid, .matrix-grid, .article-grid { grid-template-columns: 1fr; }
  .zone-card img, .product-card img { height: 145px; }
  .drawer-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(0,0,0,.48);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }
  .mobile-drawer {
    display: block;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1200;
    width: min(84vw, 320px);
    background: #121C3D;
    border-right: 1px solid rgba(255,255,255,0.08);
    transform: translateX(-102%);
    transition: transform .28s ease;
    overflow-y: auto;
  }
  .drawer-open { overflow: hidden; }
  .drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
  .drawer-open .mobile-drawer { transform: translateX(0); }
  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .drawer-head strong { color: #FFFFFF; font-size: 22px; }
  .drawer-head button {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.14);
    background: rgba(255,255,255,0.05);
    color: #FFFFFF;
    font-size: 26px;
  }
  .drawer-nav { padding: 12px; }
  .drawer-link {
    display: block;
    color: #FFFFFF;
    padding: 12px 14px;
    border-radius: 12px;
  }
  .drawer-link.active, .drawer-link:hover { background: rgba(107,141,255,0.18); }
  .mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background: rgba(18,28,61,.96);
    border-top: 1px solid rgba(255,255,255,0.12);
    padding: 7px 8px env(safe-area-inset-bottom);
    backdrop-filter: blur(10px);
  }
  .mobile-bottom-nav a {
    color: #B7C3E0;
    display: grid;
    gap: 1px;
    justify-items: center;
    font-size: 12px;
    padding: 4px 0;
  }
  .mobile-bottom-nav span { font-size: 18px; line-height: 1; }
  .mobile-bottom-nav a.active { color: #6B8DFF; }
  .footer-grid, .footer-bottom { grid-template-columns: 1fr; display: grid; }
  .table-like div { grid-template-columns: 1fr; gap: 4px; }
}