: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);
  --footer:#101828;
  --footer-text:#D8E0F2;
  --gradient:linear-gradient(135deg,#315CFF 0%,#5F7DFF 52%,#8CA5FF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden;padding-top:127px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.96);border-bottom:1px solid rgba(49,92,255,0.12);backdrop-filter:blur(10px)}
.top-nav{background:rgba(255,255,255,0.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;flex:0 0 auto}
.logo img{max-height:52px;width:auto;display:block;object-fit:contain}
.nav-core{display:flex;align-items:center;justify-content:center;gap:24px;white-space:nowrap;flex-wrap:nowrap;flex:1}
.nav-core a{color:var(--text);position:relative;font-weight:600;font-size:15px;transition:.2s ease}
.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%)}
.nav-register,.main-btn,.small-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--gradient);color:#fff;border-radius:999px;font-weight:700;box-shadow:0 10px 22px rgba(49,92,255,.22);border:0;white-space:nowrap}
.nav-register{height:42px;padding:0 22px}
.main-btn{min-height:46px;padding:0 26px}
.small-btn{min-height:38px;padding:0 18px;font-size:14px}
.channel-bar{background:var(--soft);border-top:1px solid rgba(49,92,255,0.06);border-bottom:1px solid rgba(49,92,255,0.10)}
.channel-scroll{display:flex;align-items:center;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:8px 13px;border-radius:999px;white-space:nowrap;font-size:14px;font-weight:600;transition:.2s ease}
.channel-bar a:hover,.channel-bar a.active{color:var(--brand);background:rgba(49,92,255,0.10)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-toggle span{width:18px;height:2px;background:var(--title);border-radius:99px}
.mobile-drawer,.drawer-mask{display:none}
.page-main{background:#fff}
.section{padding:58px 0}
.section.soft{background:var(--soft)}
.section.blue{background:var(--blue-soft)}
.section-head{max-width:760px;margin:0 auto 30px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.04em;margin-bottom:10px}
h1,h2,h3,.section-title{color:var(--title);margin:0;line-height:1.28}
h1{font-size:clamp(30px,4vw,52px)}
h2,.section-title{font-size:clamp(26px,3vw,38px)}
h3{font-size:20px}
p{margin:0;color:var(--muted)}
.lead{font-size:17px;color:var(--muted);margin-top:16px}
.actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:24px}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:22px;background:var(--soft);box-shadow:var(--shadow);overflow:hidden;position:relative;min-height:260px;height:clamp(260px,30vw,360px)}
.slider-track,.slide{position:absolute;inset:0}
.slide{opacity:0;visibility:hidden;transition:opacity .45s ease,visibility .45s ease;background:var(--soft)}
.slide.active{opacity:1;visibility:visible}
.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%;transform:translateY(-50%);width:42px;height:42px;border:1px solid rgba(49,92,255,.18);border-radius:999px;background:rgba(255,255,255,.88);color:var(--brand);font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 8px 20px rgba(31,45,85,.12)}
.slider-prev{left:18px}.slider-next{right:18px}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:8px}
.slider-dot{width:10px;height:10px;border:0;border-radius:999px;background:rgba(49,92,255,.24);cursor:pointer;padding:0}
.slider-dot.active{width:26px;background:var(--brand)}
.home-intro{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}
.intro-copy{padding:36px;border-radius:28px;background:linear-gradient(135deg,#fff 0%,#F7F9FF 100%);border:1px solid var(--line);box-shadow:var(--shadow)}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.entry-card,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-card{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px}
.entry-card{padding:22px}
.entry-card strong{display:block;color:var(--title);font-size:18px;margin-bottom:8px}
.news-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.news-item{padding:22px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.news-item b,.advantage b{display:block;color:var(--title);margin-bottom:8px}
.advantage-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.advantage{padding:24px;border-right:1px solid var(--line)}
.advantage:last-child{border-right:0}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.image-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:18px;overflow:hidden}
.image-card img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:16px}
.text-list{display:grid;gap:16px;margin-top:22px}
.text-list li{list-style:none;padding:16px 18px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--muted)}
ul{padding:0;margin:0}
.horizontal-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.product-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;overflow:hidden}
.product-card img{width:100%;height:160px;object-fit:contain;background:var(--soft);padding:10px}
.product-card .body{padding:18px}
.product-card h3{margin-bottom:8px;font-size:18px}
.matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.matrix .product-card:nth-child(1),.matrix .product-card:nth-child(2),.matrix .product-card:nth-child(3){grid-column:span 1}
.app-panel{display:grid;grid-template-columns:.95fr 1.05fr;gap:30px;align-items:center;padding:28px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,#EEF4FF 0%,#FFFFFF 72%);box-shadow:var(--shadow)}
.app-panel img{width:100%;height:270px;object-fit:contain;background:#fff;border-radius:20px;padding:12px}
.notice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.notice-card{padding:24px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card{padding:24px}
.review-card strong{display:block;color:var(--title);margin-bottom:8px}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq-item{padding:24px}
.faq-item h3{font-size:18px;margin-bottom:8px}
.about-mini{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.about-mini img,.content-img{width:100%;height:260px;object-fit:contain;background:var(--soft);border-radius:18px;padding:12px}
.reminder{padding:28px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.reminder p{margin-top:10px}
.page-hero{padding:58px 0;background:linear-gradient(135deg,#FFFFFF 0%,#EEF4FF 100%);border-bottom:1px solid rgba(49,92,255,.10)}
.page-hero-grid{display:grid;grid-template-columns:1fr .86fr;gap:34px;align-items:center}
.page-hero .hero-media{padding:16px;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)}
.page-hero .hero-media img{width:100%;height:300px;object-fit:contain;background:var(--soft);border-radius:18px}
.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.info-card{padding:24px}
.info-card img,.zone-card img{width:100%;height:170px;object-fit:contain;background:var(--soft);border-radius:14px;margin-bottom:16px;padding:8px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.check-list{display:grid;gap:12px;margin-top:18px}
.check-list li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;color:var(--muted)}
.check-list li::before{content:"";display:inline-block;width:8px;height:8px;border-radius:99px;background:var(--brand);margin-right:10px;vertical-align:middle}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{padding:22px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.step span{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:rgba(49,92,255,.1);color:var(--brand);font-weight:800;margin-bottom:12px}
.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-card{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.site-footer{background:var(--footer);color:var(--footer-text);padding:54px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:30px}
.footer-brand p{color:var(--footer-text);margin-top:16px;max-width:430px}
footer .logo img{max-height:48px}
.footer-col h3{color:#fff;font-size:18px;margin-bottom:14px}
.footer-col a{display:block;color:var(--footer-text);margin:8px 0;font-size:14px}
.footer-note{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:20px}
.footer-note p{color:var(--footer-text);font-size:14px}
.mobile-bottom-nav{display:none}
@media (max-width: 980px){
  body{padding-top:118px}
  .nav-core{gap:14px}.nav-core a{font-size:14px}.header-inner{gap:14px}.nav-register{padding:0 18px}
  .home-intro,.feature-split,.app-panel,.about-mini,.page-hero-grid,.two-col{grid-template-columns:1fr}
  .news-strip,.advantage-bar,.horizontal-cards,.matrix,.content-grid,.steps,.review-grid,.notice-grid,.faq-grid,.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .advantage{border-right:0;border-bottom:1px solid var(--line)}
  .advantage:nth-child(3),.advantage:nth-child(4){border-bottom:0}
}
@media (max-width: 760px){
  body{padding-top:75px;padding-bottom:74px}
  .top-nav{border-bottom:1px solid rgba(49,92,255,.1)}
  .header-inner{min-height:74px;display:grid;grid-template-columns:46px 1fr auto;gap:10px}
  .menu-toggle{display:flex}.nav-core{display:none}.header-inner .logo{justify-content:center}.logo img{max-height:46px}.nav-register{height:38px;padding:0 16px;font-size:14px}
  .channel-bar{display:none}
  .drawer-mask{display:block;position:fixed;inset:0;background:rgba(16,24,40,.42);z-index:1100;opacity:0;visibility:hidden;transition:.2s ease}
  .mobile-drawer{display:block;position:fixed;top:0;left:0;height:100vh;width:84%;max-width:320px;background:#fff;z-index:1101;transform:translateX(-100%);transition:.25s ease;box-shadow:20px 0 45px rgba(16,24,40,.18);overflow-y:auto}
  body.drawer-open{overflow:hidden}
  body.drawer-open .drawer-mask{opacity:1;visibility:visible}
  body.drawer-open .mobile-drawer{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid var(--line)}
  .drawer-close{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:12px;color:var(--title);font-size:24px;line-height:1}
  .drawer-nav{display:grid;padding:12px 18px 28px;gap:6px}
  .drawer-nav a{padding:12px 14px;border-radius:12px;color:var(--text);font-weight:600}
  .drawer-nav a.active,.drawer-nav a:hover{color:var(--brand);background:rgba(49,92,255,.08)}
  .mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:999;background:#fff;border-top:1px solid rgba(31,45,85,.12);height:64px}
  .mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:12px;font-weight:700}
  .mobile-bottom-nav a span{font-size:17px;line-height:1}.mobile-bottom-nav a.active{color:var(--brand)}
  .section{padding:42px 0}.container{width:min(100% - 24px,1180px)}
  .banner-slider{margin:14px auto 22px;border-radius:16px;min-height:150px;height:clamp(150px,48vw,210px)}
  .slider-arrow{width:34px;height:34px;font-size:20px}.slider-prev{left:10px}.slider-next{right:10px}.slider-dots{bottom:9px}
  .entry-grid,.news-strip,.advantage-bar,.horizontal-cards,.matrix,.content-grid,.steps,.review-grid,.notice-grid,.faq-grid,.footer-grid,.contact-panel{grid-template-columns:1fr}
  .advantage{border-bottom:1px solid var(--line)}.advantage:last-child{border-bottom:0}
  .intro-copy{padding:24px}.image-card img,.about-mini img,.content-img,.page-hero .hero-media img,.app-panel img{height:220px}.product-card img{height:145px}
  .page-hero{padding:40px 0}h1{font-size:30px}h2,.section-title{font-size:26px}
}