* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: radial-gradient(circle at top left, rgba(107,141,255,0.16), transparent 34%), #0E1730;
  color: #EAF0FF;
  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;
  width: 100%;
  z-index: 1000;
  background: #121C3D;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 34px rgba(0,0,0,0.26);
}
.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  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;
  justify-content: center;
  gap: 22px;
  white-space: nowrap;
  flex-wrap: nowrap;
  flex: 1;
}
.nav-core a {
  color: #FFFFFF;
  position: relative;
  font-size: 15px;
  transition: color .2s ease;
}
.nav-core a:hover { color: #BFD0FF; }
.nav-core a.active { color: #FFFFFF; }
.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, .drawer-register, .main-btn, .small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  background: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%);
  color: #FFFFFF;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(107,141,255,0.28);
  white-space: nowrap;
}
.register-btn { min-width: 92px; height: 40px; padding: 0 22px; }
.main-btn { min-height: 44px; padding: 0 26px; }
.small-btn { min-height: 36px; padding: 0 18px; font-size: 14px; }
.channel-bar {
  background: #162447;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.channel-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}
.channel-bar a {
  display: inline-flex;
  align-items: center;
  color: #B7C3E0;
  padding: 8px 14px;
  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);
}
.page-main { padding-top: 128px; min-height: 70vh; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 44px 0; }
.section.tight { padding: 28px 0; }
h1, h2, h3, .section-title { color: #FFFFFF; margin: 0 0 14px; line-height: 1.25; }
h1 { font-size: clamp(32px, 5vw, 58px); letter-spacing: .5px; }
h2, .section-title { font-size: clamp(24px, 3vw, 36px); }
h3 { font-size: 20px; }
p { color: #B7C3E0; margin: 0 0 14px; }
.lead { font-size: 17px; color: #EAF0FF; max-width: 860px; }
.kicker { display: inline-flex; color: #89A5FF; font-weight: 700; margin-bottom: 10px; letter-spacing: .5px; }
.hero-panel, .card, .zone-card, .info-card, .review-card, .faq-card, .notice-card, .page-hero {
  background: linear-gradient(180deg, rgba(26,41,84,.96), rgba(22,36,71,.96));
  border: 1px solid rgba(107,141,255,0.18);
  box-shadow: 0 14px 32px rgba(0,0,0,0.28);
  border-radius: 18px;
}
.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);
}
.slider-track, .slide { height: 100%; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .45s ease; }
.slide.active { opacity: 1; z-index: 1; }
.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #162447;
}
.slider-prev, .slider-next {
  position: absolute;
  z-index: 3;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.26);
  border-radius: 999px;
  background: rgba(10,16,36,.58);
  color: #FFFFFF;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
}
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.slider-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,.46);
  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; }
.hero-panel { padding: clamp(24px, 4vw, 42px); }
.hero-grid, .split-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 28px; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.stat { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 14px; }
.stat strong { display: block; color: #FFFFFF; font-size: 22px; }
.stat span { color: #8FA1C7; font-size: 13px; }
.hero-image, .content-img, .section-image {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  background: #162447;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
}
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; margin-bottom: 20px; }
.section-head p { max-width: 760px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.card, .info-card, .review-card, .faq-card, .notice-card { padding: 22px; }
.card img, .zone-card img, .info-card img, .content-img {
  max-width: 100%;
  height: auto;
  max-height: 230px;
  object-fit: contain;
  background: #162447;
}
.product-card, .zone-card { overflow: hidden; }
.product-card img, .zone-card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: #162447;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.zone-body { padding: 18px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag { color: #EAF0FF; border: 1px solid rgba(107,141,255,0.24); background: rgba(107,141,255,0.12); border-radius: 999px; padding: 7px 12px; font-size: 13px; }
.news-list { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
.news-item { padding: 18px; background: #1A2954; border: 1px solid rgba(107,141,255,0.18); border-radius: 16px; }
.news-item span { color: #89A5FF; font-weight: 700; font-size: 14px; }
.matrix { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.matrix .zone-card:nth-child(1) { grid-row: span 2; }
.matrix .zone-card:nth-child(1) img { height: 220px; }
.notice-strip { background: rgba(107,141,255,0.10); border: 1px solid rgba(107,141,255,0.18); border-radius: 18px; padding: 22px; }
.review-card p { color: #EAF0FF; }
.review-card strong { display: block; color: #89A5FF; margin-top: 12px; }
.faq-card h3 { margin-bottom: 8px; }
.page-hero { padding: clamp(28px, 5vw, 52px); margin-top: 24px; }
.breadcrumb { color: #8FA1C7; font-size: 14px; margin-bottom: 12px; }
.content-block { margin-top: 24px; }
ul.clean-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
ul.clean-list li { padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.07); color: #B7C3E0; }
.footer-inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 44px 0 26px; display: grid; grid-template-columns: 1fr 1.6fr; gap: 42px; }
.site-footer { background: #0A1024; color: #C8D4F3; margin-top: 40px; }
.footer-logo { display: inline-block; color: #FFFFFF; font-size: 26px; font-weight: 800; margin-bottom: 12px; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.footer-links h3 { font-size: 16px; margin-bottom: 10px; }
.footer-links a { display: block; color: #C8D4F3; margin: 8px 0; font-size: 14px; }
.footer-note { border-top: 1px solid rgba(255,255,255,0.08); padding: 16px; text-align: center; color: #8FA1C7; font-size: 13px; }
.mobile-menu-btn { display: none; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; background: rgba(255,255,255,.05); padding: 10px; }
.mobile-menu-btn span { display: block; height: 2px; background: #fff; margin: 5px 0; border-radius: 999px; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.54); z-index: 1200; }
.mobile-drawer { position: fixed; z-index: 1210; top: 0; left: 0; width: 84vw; max-width: 320px; height: 100vh; background: #121C3D; transform: translateX(-105%); transition: transform .24s ease; padding: 18px; box-shadow: 18px 0 38px rgba(0,0,0,.32); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; color: #fff; font-size: 22px; margin-bottom: 16px; }
.drawer-close { width: 34px; height: 34px; border-radius: 10px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06); color: #fff; font-size: 24px; }
.drawer-nav { display: grid; gap: 8px; }
.drawer-nav a { color: #fff; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.05); }
.drawer-nav a.active { background: rgba(107,141,255,.22); }
.drawer-register { width: 100%; min-height: 42px; margin-top: 16px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
  .nav-core { gap: 14px; }
  .grid-4, .news-list { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-3, .matrix { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .header-inner { min-height: 64px; width: calc(100% - 24px); gap: 10px; }
  .mobile-menu-btn { display: block; }
  .site-logo { font-size: 23px; position: absolute; left: 50%; transform: translateX(-50%); }
  .nav-core, .channel-bar { display: none; }
  .register-btn { min-width: 76px; height: 36px; padding: 0 16px; margin-left: auto; }
  .page-main { padding-top: 64px; padding-bottom: 78px; }
  .banner-slider { margin-top: 14px; height: clamp(150px, 48vw, 210px); border-radius: 16px; }
  .slider-prev, .slider-next { width: 34px; height: 34px; font-size: 24px; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .hero-grid, .split-grid, .footer-inner { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4, .matrix, .news-list { grid-template-columns: 1fr; }
  .matrix .zone-card:nth-child(1) { grid-row: auto; }
  .stat-row { grid-template-columns: 1fr; }
  .section { padding: 30px 0; }
  .section-head { display: block; }
  .footer-links { grid-template-columns: 1fr; }
  .mobile-bottom-nav {
    position: fixed;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    background: rgba(18,28,61,.96);
    border-top: 1px solid rgba(255,255,255,.12);
    backdrop-filter: blur(10px);
    padding: 7px 6px 8px;
  }
  .mobile-bottom-nav a { color: #B7C3E0; text-align: center; font-size: 12px; }
  .mobile-bottom-nav span { display: block; font-size: 16px; line-height: 18px; margin-bottom: 2px; }
  .mobile-bottom-nav a.active { color: #89A5FF; }
}