*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#F3F8FE;color:#33445F;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.96);backdrop-filter:blur(10px);border-bottom:1px solid rgba(64,105,160,0.10)}
.header-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:0 18px}
.logo img{max-height:52px;width:auto;display:block}
.nav-core{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:#33445F;font-weight:700;position:relative;padding:8px 4px}
.nav-core a:hover,.nav-core a.active{color:#168DFF}
.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:#168DFF;transform:translateX(-50%)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#35D7F4 0%,#19BCEB 42%,#168DFF 100%);color:#FFFFFF;border-radius:999px;font-weight:800;padding:10px 22px;box-shadow:0 12px 24px rgba(22,141,255,.18)}
.header-register{flex:none}
.channel-bar{background:#FFFFFF;border-bottom:1px solid rgba(64,105,160,0.10);overflow-x:auto;white-space:nowrap}
.channel-inner{max-width:1180px;margin:0 auto;padding:8px 18px}
.channel-bar a{display:inline-flex;align-items:center;color:#687995;padding:8px 13px;border-radius:999px;font-size:14px;font-weight:600;margin-right:3px}
.channel-bar a:hover,.channel-bar a.active{color:#168DFF;background:rgba(22,141,255,0.07)}
.menu-toggle{display:none;background:transparent;border:0;width:40px;height:40px;padding:8px}
.menu-toggle span{display:block;height:2px;background:#315EBD;margin:6px 0;border-radius:99px}
.page-main{padding-top:122px}
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.section{max-width:1180px;margin:0 auto 34px;padding:0 18px}
.section-shell{background:#FFFFFF;border:1px solid rgba(64,105,160,0.10);box-shadow:0 10px 28px rgba(63,105,160,0.08);border-radius:18px;padding:28px}
.section-soft{background:#EDF5FD;border:1px solid rgba(22,141,255,0.12);border-radius:18px;padding:28px}
h1,h2,h3,.section-title{color:#315EBD;line-height:1.28;margin:0 0 14px}
h1{font-size:34px}
h2{font-size:26px}
h3{font-size:20px}
p{margin:0 0 14px;color:#33445F}
.text-muted{color:#687995}
.kicker{display:inline-flex;color:#168DFF;background:rgba(22,141,255,.08);border:1px solid rgba(22,141,255,.18);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:800;margin-bottom:12px}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:12px;background:#EDF5FD;box-shadow:0 10px 28px rgba(63,105,160,0.08);overflow:hidden;position:relative;height:320px}
.banner-track,.slide{height:100%}
.slide{display:none}
.slide.active{display:block}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#EDF5FD}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.84);color:#168DFF;font-size:26px;cursor:pointer;box-shadow:0 8px 20px rgba(63,105,160,.12)}
.slider-prev{left:16px}
.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}
.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(49,94,189,.28);cursor:pointer}
.slider-dot.active{width:22px;border-radius:99px;background:#168DFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.intro-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:center}
.hero-panel{padding:30px;background:linear-gradient(135deg,#FFFFFF 0%,#EDF5FD 100%);border-radius:18px;border:1px solid rgba(22,141,255,.14)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.secondary-btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:999px;border:1px solid rgba(22,141,255,.18);color:#168DFF;background:#FFFFFF;font-weight:800}
.quick-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.quick-item{background:#FFFFFF;border:1px solid rgba(64,105,160,.10);border-radius:14px;padding:16px;box-shadow:0 8px 22px rgba(63,105,160,.07)}
.quick-item strong{display:block;color:#315EBD;margin-bottom:6px}
.dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card,.zone-card,.info-card,.review-card,.product-card{background:#FFFFFF;border:1px solid rgba(64,105,160,0.10);box-shadow:0 10px 28px rgba(63,105,160,0.08);border-radius:14px;padding:20px}
.card h3,.zone-card h3,.product-card h3{color:#315EBD}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-card{background:#FFFFFF;border:1px solid rgba(22,141,255,.12);border-radius:14px;padding:20px}
.image-text{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:center}
.zone-card img,.info-card img,.content-img{max-width:100%;height:auto;max-height:230px;object-fit:contain;margin:0 auto 14px;background:#EDF5FD;border-radius:12px}
.content-img.large{max-height:280px;margin:0 auto}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-card img{width:100%;height:160px;object-fit:contain;background:#EDF5FD;border-radius:12px;margin-bottom:12px}
.horizontal-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq-list{display:grid;gap:12px}
.faq-item{background:#FFFFFF;border:1px solid rgba(64,105,160,.10);border-radius:14px;padding:18px}
.faq-item strong{display:block;color:#315EBD;margin-bottom:6px}
.notice-bar{background:#EDF5FD;border:1px solid rgba(22,141,255,.18);border-radius:16px;padding:18px;color:#687995}
.inner-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;background:linear-gradient(135deg,#FFFFFF 0%,#EDF5FD 100%);border:1px solid rgba(22,141,255,.14);box-shadow:0 10px 28px rgba(63,105,160,0.08);border-radius:18px;padding:30px}
.inner-hero img{max-height:290px;object-fit:contain;margin:0 auto;border-radius:12px}
.breadcrumb{font-size:14px;color:#8B9AB2;margin-bottom:10px}
.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}
.floating-service a{background:#FFFFFF;color:#33445F;border:1px solid rgba(64,105,160,0.10);box-shadow:0 10px 26px rgba(63,105,160,0.09);border-radius:999px;padding:9px 12px;font-weight:800;font-size:14px;text-align:center}
.floating-service a.register-link{background:linear-gradient(180deg,#35D7F4 0%,#19BCEB 42%,#168DFF 100%);color:#FFFFFF}
.site-footer{background:#344564;color:#EAF5FF;margin-top:48px}
.footer-inner{max-width:1180px;margin:0 auto;padding:38px 18px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:26px}
.footer-brand img{max-height:52px;margin-bottom:12px}
.footer-brand p,.footer-note p{color:#EAF5FF;opacity:.92}
.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.footer-links a{color:#EAF5FF;opacity:.9}
.mobile-bottom-nav{display:none}
.drawer-mask,.mobile-drawer{display:none}
@media (max-width: 980px){
  .nav-core{gap:14px}
  .product-grid,.horizontal-list{grid-template-columns:repeat(2,1fr)}
  .intro-grid,.inner-hero,.image-text{grid-template-columns:1fr}
  .quick-strip{grid-template-columns:repeat(2,1fr)}
  .dashboard,.feature-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width: 720px){
  body{padding-bottom:66px}
  .site-header{position:fixed}
  .header-inner{min-height:62px;gap:12px}
  .menu-toggle{display:block;flex:none}
  .logo{position:absolute;left:50%;transform:translateX(-50%)}
  .logo img{max-height:42px}
  .nav-core{display:none}
  .header-register{padding:8px 14px;margin-left:auto}
  .page-main{padding-top:111px}
  .channel-inner{padding:7px 12px}
  .channel-bar a{padding:7px 10px;font-size:13px}
  .floating-service{display:none}
  .banner-slider{height:185px;margin:14px 12px 24px;min-height:150px;max-height:210px}
  .slider-arrow{width:30px;height:30px;font-size:20px}
  .section{margin-bottom:24px;padding:0 12px}
  .section-shell,.section-soft,.hero-panel,.inner-hero{padding:20px;border-radius:15px}
  h1{font-size:26px}
  h2{font-size:22px}
  h3{font-size:18px}
  .quick-strip,.product-grid,.horizontal-list,.review-grid{grid-template-columns:1fr}
  .product-card img{height:132px}
  .content-img.large,.inner-hero img{max-height:210px}
  .zone-card img,.info-card img,.content-img{max-height:180px}
  .drawer-mask{display:block;position:fixed;inset:0;background:rgba(22,33,54,.36);opacity:0;visibility:hidden;transition:.25s;z-index:180}
  .mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:84%;max-width:320px;background:#FFFFFF;z-index:190;transform:translateX(-105%);transition:.25s;box-shadow:12px 0 30px rgba(42,72,118,.16);overflow-y:auto}
  .drawer-open .drawer-mask{opacity:1;visibility:visible}
  .drawer-open .mobile-drawer{transform:translateX(0)}
  .drawer-open{overflow:hidden}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(64,105,160,.10)}
  .drawer-logo img{max-height:42px}
  .drawer-close{border:0;background:#EDF5FD;color:#315EBD;border-radius:50%;width:34px;height:34px;font-size:24px;line-height:1}
  .drawer-nav{display:grid;padding:12px}
  .drawer-nav a{padding:12px 14px;border-radius:12px;color:#33445F;font-weight:700}
  .drawer-nav a.active,.drawer-nav a:hover{background:rgba(22,141,255,.08);color:#168DFF}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:58px;background:#FFFFFF;border-top:1px solid rgba(64,105,160,.12);display:grid;grid-template-columns:repeat(4,1fr);z-index:150}
  .mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;font-size:13px;color:#687995;font-weight:800}
  .mobile-bottom-nav a.active{color:#168DFF}
}