* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; background: #0E1730; color: #EAF0FF; line-height: 1.75; padding-top: 126px; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.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 8px 24px rgba(0,0,0,0.22); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.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; 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 { color: #C9D5FF; }
.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, .footer-action { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 22px; border-radius: 999px; color: #FFFFFF; font-weight: 700; background: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%); box-shadow: 0 10px 24px rgba(92,124,250,0.28); white-space: nowrap; }
.register-btn:hover, .main-btn:hover, .footer-action:hover { transform: translateY(-1px); }
.channel-bar { background: #162447; border-bottom: 1px solid rgba(255,255,255,0.06); }
.channel-inner { display: flex; align-items: center; gap: 8px; min-height: 54px; 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; flex: 0 0 auto; transition: all .2s ease; }
.channel-bar a:hover, .channel-bar a.active { color: #FFFFFF; background: rgba(107,141,255,0.18); }
.menu-toggle { display: none; border: 0; background: transparent; color: #fff; font-size: 25px; cursor: pointer; }
main { min-height: 60vh; }
.home-main { padding-bottom: 48px; }
.page-main { padding: 34px 0 54px; }
.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, 30vw, 360px); border: 1px solid rgba(107,141,255,0.18); }
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .45s ease; background: #162447; }
.slide.active { opacity: 1; pointer-events: auto; }
.banner-slider img { width: 100%; height: 100%; object-fit: contain; background: #162447; }
.slider-prev, .slider-next { position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 40px; height: 40px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.24); background: rgba(18,28,61,0.68); color: #fff; font-size: 24px; cursor: pointer; }
.slider-prev { left: 18px; }
.slider-next { right: 18px; }
.slider-dots { position: absolute; left: 0; right: 0; bottom: 14px; z-index: 5; display: flex; justify-content: center; gap: 8px; }
.slider-dot { width: 10px; height: 10px; border-radius: 999px; border: 0; padding: 0; background: rgba(255,255,255,0.45); cursor: pointer; }
.slider-dot.active { width: 24px; background: #6B8DFF; }
.banner-caption, .banner-text, .slide-title, .slide-desc, .slide-content, .slide-card, .banner-card { display: none !important; }
.section { margin: 30px auto; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 18px; }
.section-kicker { color: #89A5FF; font-size: 14px; font-weight: 700; letter-spacing: .5px; margin: 0 0 4px; }
h1, h2, h3, .section-title { color: #FFFFFF; line-height: 1.32; }
h1 { font-size: clamp(32px, 5vw, 54px); margin: 0 0 18px; }
h2, .section-title { font-size: clamp(24px, 3vw, 34px); margin: 0; }
h3 { font-size: 20px; margin: 0 0 10px; }
p { margin: 0 0 14px; color: #B7C3E0; }
.lead { color: #EAF0FF; font-size: 17px; max-width: 860px; }
.card, .zone-card, .info-card, .review-card, .notice-card, .faq-item, .page-panel, .mini-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; }
.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)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card, .info-card, .review-card, .notice-card, .faq-item, .mini-card { padding: 22px; }
.hero-intro { display: grid; grid-template-columns: 1.08fr .92fr; gap: 22px; align-items: center; }
.hero-copy { padding: 30px; border-radius: 24px; background: linear-gradient(140deg, rgba(26,41,84,0.96), rgba(31,49,95,0.86)); border: 1px solid rgba(107,141,255,0.18); box-shadow: 0 14px 32px rgba(0,0,0,0.28); }
.hero-img, .page-hero-img { border-radius: 22px; background: #162447; border: 1px solid rgba(107,141,255,0.18); overflow: hidden; }
.hero-img img { width: 100%; height: 300px; object-fit: contain; background: #162447; }
.page-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 24px; align-items: center; margin-bottom: 28px; }
.page-hero-copy { padding: 30px; border-radius: 24px; background: linear-gradient(140deg, rgba(26,41,84,0.96), rgba(18,28,61,0.92)); border: 1px solid rgba(107,141,255,0.18); }
.page-hero-img img { width: 100%; height: 286px; object-fit: contain; background: #162447; }
.quick-news .info-card { border-left: 4px solid #6B8DFF; }
.content-img, .zone-card img, .info-card img { width: 100%; height: 170px; max-height: 230px; object-fit: contain; background: #162447; border-radius: 14px; margin-bottom: 14px; }
.product-card img { width: 100%; height: 160px; object-fit: contain; background: #162447; border-radius: 14px 14px 0 0; }
.product-card { overflow: hidden; padding: 0; }
.product-card .product-body { padding: 18px; }
.zone-card { overflow: hidden; }
.zone-card-body { padding: 20px; }
.zone-card img { height: 158px; margin-bottom: 0; border-radius: 0; }
.feature-list { display: grid; gap: 10px; margin: 18px 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding-left: 22px; color: #C8D4F3; }
.feature-list li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #6B8DFF; position: absolute; left: 0; top: .75em; }
.link-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.soft-link { color: #FFFFFF; border: 1px solid rgba(107,141,255,0.36); padding: 8px 16px; border-radius: 999px; background: rgba(107,141,255,0.10); }
.matrix { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.app-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: center; padding: 26px; }
.app-panel img { width: 100%; height: 280px; object-fit: contain; background: #162447; border-radius: 18px; }
.notice-card strong { color: #FFFFFF; display: block; margin-bottom: 8px; }
.review-card p { color: #EAF0FF; }
.review-card span { color: #8FA1C7; font-size: 14px; }
.faq-item summary { cursor: pointer; color: #FFFFFF; font-weight: 700; }
.faq-item p { margin-top: 12px; margin-bottom: 0; }
.compliance { background: linear-gradient(135deg, rgba(18,28,61,.95), rgba(31,49,95,.92)); padding: 26px; border-radius: 22px; border: 1px solid rgba(107,141,255,0.18); }
.compliance p { color: #C8D4F3; }
.breadcrumb { color: #8FA1C7; margin-bottom: 14px; font-size: 14px; }
.breadcrumb a { color: #C8D4F3; }
.page-panel { padding: 28px; margin-bottom: 22px; }
.page-panel h2 { margin-bottom: 12px; }
.text-columns { columns: 2; column-gap: 34px; }
.contact-box { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.contact-box .mini-card strong { display: block; color: #fff; margin-bottom: 8px; }
.site-footer { background: #0A1024; color: #C8D4F3; padding: 42px 0 22px; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 24px; }
.site-footer h3 { font-size: 17px; }
.site-footer a { display: block; color: #C8D4F3; margin: 7px 0; }
.footer-action { display: inline-flex !important; margin-top: 8px !important; color: #fff !important; }
.footer-bottom { margin-top: 28px; 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; }
.drawer-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 1200; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: min(84vw, 320px); height: 100vh; background: #121C3D; z-index: 1300; transform: translateX(-105%); transition: transform .28s ease; box-shadow: 20px 0 50px rgba(0,0,0,.35); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-mask.show { display: block; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid rgba(255,255,255,.08); color: #fff; }
.drawer-close { background: transparent; color: #fff; border: 0; font-size: 32px; cursor: pointer; }
.drawer-nav { display: grid; padding: 14px; gap: 6px; }
.drawer-nav a { color: #fff; padding: 12px 14px; border-radius: 12px; }
.drawer-nav a.active, .drawer-nav a:hover { background: rgba(107,141,255,0.18); }
.drawer-open { overflow-x: hidden; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
  body { padding-top: 72px; padding-bottom: 70px; }
  .header-inner { min-height: 72px; gap: 12px; }
  .menu-toggle { display: inline-flex; }
  .nav-core, .channel-bar { display: none; }
  .site-logo { font-size: 24px; position: absolute; left: 50%; transform: translateX(-50%); }
  .register-btn { padding: 0 16px; min-height: 38px; }
  .mobile-bottom-nav { display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; left: 0; right: 0; bottom: 0; z-index: 1100; background: rgba(18,28,61,.96); border-top: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(10px); }
  .mobile-bottom-nav a { text-align: center; color: #B7C3E0; padding: 9px 4px 10px; font-size: 13px; }
  .mobile-bottom-nav a.active { color: #FFFFFF; background: rgba(107,141,255,0.18); }
  .hero-intro, .page-hero, .app-panel { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .matrix, .footer-grid, .contact-box { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .text-columns { columns: 1; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 24px, 1180px); }
  h1 { font-size: 30px; }
  .banner-slider { margin: 16px auto 24px; height: clamp(150px, 45vw, 210px); border-radius: 16px; }
  .slider-prev, .slider-next { width: 34px; height: 34px; font-size: 20px; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .hero-copy, .page-hero-copy, .page-panel, .app-panel, .compliance { padding: 20px; }
  .hero-img img, .page-hero-img img, .app-panel img { height: 220px; }
  .grid-4, .grid-3, .grid-2, .matrix, .footer-grid, .contact-box { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .content-img, .zone-card img, .info-card img, .product-card img { height: 150px; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 8px; }
}