:root{
  --bg:#FFFFFF;
  --soft:#F5F7FB;
  --blue-soft:#EEF4FF;
  --card:#FFFFFF;
  --brand:#315CFF;
  --brand-2:#4F73FF;
  --brand-3:#6B8DFF;
  --title:#17213A;
  --text:#252B3A;
  --muted:#5F6B82;
  --light:#8A95AA;
  --line:rgba(49,92,255,0.14);
  --shadow:0 14px 34px rgba(31,45,85,0.08);
  --grad:linear-gradient(135deg,#315CFF 0%,#5F7DFF 52%,#8CA5FF 100%);
  --footer:#101828;
  --footer-text:#D8E0F2;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;font-size:16px;padding-top:126px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:fixed;left:0;right:0;top:0;z-index:1000;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(49,92,255,.12);backdrop-filter:blur(10px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo img{max-height:52px;width:auto;display:block;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:24px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:var(--text);position:relative;font-weight:700;font-size:15px;padding:8px 0}
.nav-core a:hover,.nav-core a.active{color:var(--brand)}
.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-12px;width:28px;height:3px;border-radius:999px;background:var(--brand);transform:translateX(-50%)}
.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:999px;background:var(--grad);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(49,92,255,.22);border:0;white-space:nowrap}
.register-btn:hover,.main-btn:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(49,92,255,.26)}
.channel-bar{background:var(--soft);border-bottom:1px solid rgba(49,92,255,.10)}
.channel-track{display:flex;align-items:center;gap:8px;min-height:50px;overflow-x:auto;scrollbar-width:none;padding-top:6px;padding-bottom:6px}
.channel-track::-webkit-scrollbar{display:none}
.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:8px 14px;border-radius:999px;font-weight:650;font-size:14px;white-space:nowrap}
.channel-bar a:hover,.channel-bar a.active{color:var(--brand);background:rgba(49,92,255,.10)}
.mobile-menu-btn{display:none;background:transparent;border:0;width:42px;height:42px;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.mobile-menu-btn span{display:block;width:21px;height:2px;background:var(--title);border-radius:999px}
.drawer-mask{position:fixed;inset:0;background:rgba(8,18,40,.42);z-index:1100;opacity:0;pointer-events:none;transition:.25s}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:#fff;z-index:1101;transform:translateX(-105%);transition:.28s;box-shadow:18px 0 40px rgba(16,24,40,.16);overflow-y:auto}
.drawer-open{overflow:hidden}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
.drawer-open .mobile-drawer{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 18px 12px;border-bottom:1px solid rgba(49,92,255,.12)}
.drawer-logo img{max-height:46px;width:auto}
.drawer-close{border:0;background:var(--soft);color:var(--title);border-radius:999px;width:34px;height:34px;font-size:24px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;gap:6px;padding:16px}
.drawer-nav a{display:flex;align-items:center;min-height:42px;padding:0 14px;border-radius:13px;color:var(--text);font-weight:700}
.drawer-nav a.active,.drawer-nav a:hover{background:rgba(49,92,255,.10);color:var(--brand)}
.site-main{min-height:60vh}
.section{padding:58px 0}
.section.soft{background:var(--soft)}
.section.blue{background:var(--blue-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-kicker{color:var(--brand);font-weight:850;letter-spacing:.08em;font-size:13px;text-transform:uppercase;margin-bottom:6px}
h1,h2,h3,.section-title{color:var(--title);line-height:1.28;margin:0}
h1{font-size:clamp(30px,4vw,52px);letter-spacing:-.04em}
h2,.section-title{font-size:clamp(24px,3vw,34px);letter-spacing:-.03em}
h3{font-size:20px}
p{margin:0;color:var(--muted)}
.lead{font-size:18px;color:var(--muted);max-width:760px}
.hero-panel{display:grid;grid-template-columns:1.03fr .97fr;gap:34px;align-items:center;padding:34px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,#fff 0%,#F7FAFF 100%);box-shadow:var(--shadow)}
.hero-panel .lead{margin:18px 0 24px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.text-link{font-weight:800;color:var(--brand)}
.hero-image,.feature-image{border-radius:24px;background:var(--soft);padding:14px;border:1px solid rgba(49,92,255,.10)}
.hero-image img,.feature-image img{width:100%;max-height:290px;object-fit:contain}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:22px;background:var(--soft);box-shadow:var(--shadow);overflow:hidden;position:relative;height:320px}
.slider-window,.slide{width:100%;height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;background:var(--soft)}
.slide.active{opacity:1;z-index:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:var(--soft)}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{position:absolute;top:50%;z-index:4;width:42px;height:42px;border:0;border-radius:999px;background:rgba(255,255,255,.86);box-shadow:0 8px 20px rgba(16,24,40,.12);cursor:pointer;transform:translateY(-50%)}
.slider-arrow:before{content:"";display:block;width:12px;height:12px;border-top:3px solid var(--brand);border-left:3px solid var(--brand);position:absolute;top:50%;left:50%}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}
.slider-arrow.prev:before{transform:translate(-35%,-50%) rotate(-45deg)}
.slider-arrow.next:before{transform:translate(-65%,-50%) rotate(135deg)}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:4;display:flex;align-items:center;justify-content:center;gap:8px}
.slider-dot{width:9px;height:9px;border:0;border-radius:999px;background:rgba(49,92,255,.28);cursor:pointer;padding:0}
.slider-dot.active{width:28px;background:var(--brand)}
.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px}
.card{padding:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.info-card{padding:20px}
.info-card h3,.card h3,.zone-card h3{margin-bottom:8px}
.badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 10px;border-radius:999px;background:rgba(49,92,255,.10);color:var(--brand);font-weight:800;font-size:13px;margin-bottom:12px}
.advantage-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
.advantage-item{padding:24px;border-right:1px solid rgba(49,92,255,.10)}
.advantage-item:last-child{border-right:0}
.advantage-num{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:var(--blue-soft);color:var(--brand);font-weight:900;margin-bottom:10px}
.zone-card{overflow:hidden}
.zone-card img,.info-card img,.content-img{width:100%;height:auto;max-height:230px;object-fit:contain;background:var(--soft)}
.product-card{padding:16px}
.product-card img{width:100%;height:160px;object-fit:contain;background:var(--soft);border-radius:14px;margin-bottom:14px}
.product-card h3{font-size:18px;margin-bottom:6px}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.feature-copy{padding:10px 0}
.feature-copy p{margin-top:14px}
.check-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.check-list li{position:relative;padding-left:26px;color:var(--muted)}
.check-list li:before{content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:50%;background:var(--brand)}
.check-list li:after{content:"";position:absolute;left:4px;top:.79em;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.news-list{display:grid;gap:14px}
.news-item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.news-date{display:grid;place-items:center;min-width:62px;height:62px;border-radius:18px;background:var(--blue-soft);color:var(--brand);font-weight:900;text-align:center;line-height:1.1}
.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review-card{padding:22px}
.review-card strong{display:block;color:var(--title);margin-bottom:8px}
.faq-list{display:grid;gap:14px}
.faq-card{padding:20px}
.faq-card h3{font-size:18px;margin-bottom:8px}
.page-hero{padding:58px 0;background:linear-gradient(135deg,#fff 0%,#EEF4FF 100%);border-bottom:1px solid rgba(49,92,255,.10)}
.page-hero-inner{display:grid;grid-template-columns:1fr .72fr;gap:30px;align-items:center}
.page-hero .lead{margin-top:16px}
.page-hero img{width:100%;max-height:280px;object-fit:contain;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:14px}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--brand);font-weight:800;margin-bottom:12px;font-size:14px}
.content-block{display:grid;gap:18px}
.service-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.notice-card{padding:20px;background:linear-gradient(135deg,#fff 0%,#F8FAFF 100%)}
.form-card{padding:24px}
.form-grid{display:grid;gap:14px}
.form-grid input,.form-grid textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;color:var(--text)}
.form-grid textarea{min-height:120px;resize:vertical}
.site-footer{background:var(--footer);color:var(--footer-text);padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:28px}
.footer-brand p,.footer-note p{color:var(--footer-text);opacity:.86;margin-top:14px}
footer .logo img{max-height:48px;width:auto}
.footer-links{display:grid;gap:9px;align-content:start}
.footer-links h3,.footer-note h3{color:#fff;font-size:18px;margin-bottom:8px}
.footer-links a{color:var(--footer-text);opacity:.88}
.footer-links a:hover{color:#fff;opacity:1}
.footer-bottom{border-top:1px solid rgba(216,224,242,.16);margin-top:36px;padding-top:18px;color:rgba(216,224,242,.72);font-size:14px}
.mobile-bottom-nav{display:none}
@media (max-width:980px){
  body{padding-top:119px}
  .nav-core{gap:15px}.nav-core a{font-size:14px}.header-inner{gap:14px}.container{width:min(100% - 28px,1180px)}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3,.matrix{grid-template-columns:repeat(2,minmax(0,1fr))}.advantage-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.advantage-item:nth-child(2){border-right:0}.advantage-item:nth-child(-n+2){border-bottom:1px solid rgba(49,92,255,.10)}
  .hero-panel,.feature-split,.page-hero-inner{grid-template-columns:1fr}
}
@media (max-width:720px){
  body{padding-top:74px;padding-bottom:76px;font-size:15px}
  .site-header{border-bottom:1px solid rgba(49,92,255,.10)}
  .header-inner{min-height:74px;display:grid;grid-template-columns:44px 1fr auto;gap:10px;width:100%;padding:0 14px}
  .mobile-menu-btn{display:flex}
  .nav-core,.channel-bar{display:none}
  .logo{justify-self:center}.logo img{max-height:46px}
  .register-btn{min-height:38px;padding:0 16px;font-size:14px}
  .banner-slider{height:190px;border-radius:16px;margin:14px auto 24px;width:calc(100% - 28px)}
  .slider-arrow{width:34px;height:34px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}
  .section{padding:42px 0}.section-head{display:block}.section-head .lead{margin-top:10px}
  h1{font-size:32px}h2,.section-title{font-size:25px}.lead{font-size:16px}
  .hero-panel{padding:22px;border-radius:22px}.hero-image img,.feature-image img,.page-hero img{max-height:220px}
  .grid-2,.grid-3,.grid-4,.matrix,.service-points{grid-template-columns:1fr}
  .advantage-strip{grid-template-columns:1fr}.advantage-item{border-right:0;border-bottom:1px solid rgba(49,92,255,.10)}.advantage-item:last-child{border-bottom:0}
  .product-card img{height:140px}.zone-card img,.info-card img,.content-img{max-height:190px}
  .page-hero{padding:42px 0}
  .footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:92px}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:999;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid #E6EAF2;box-shadow:0 -10px 26px rgba(16,24,40,.08);padding:6px 0 calc(6px + env(safe-area-inset-bottom))}
  .mobile-bottom-nav a{display:grid;place-items:center;gap:1px;color:var(--muted);font-weight:750;font-size:12px}
  .mobile-bottom-nav a span{font-size:18px;line-height:1;color:inherit}.mobile-bottom-nav a.active{color:var(--brand)}
}
@media (max-width:420px){.container{width:calc(100% - 24px)}.banner-slider{height:168px}.card,.info-card,.review-card,.faq-card,.notice-card{padding:18px}.hero-actions{align-items:stretch}.hero-actions a{width:100%}}