:root{
  --bg:#FFFFFF;
  --soft:#F5F7FB;
  --blue-soft:#EEF4FF;
  --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%);
}
*{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","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,calc(100% - 40px));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)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;flex-shrink:0}
.logo img{max-height:52px;width:auto;object-fit:contain}
.nav-core{display:flex;align-items:center;justify-content:center;gap:24px;white-space:nowrap;flex-wrap:nowrap;min-width:0;flex:1}
.nav-core a{color:var(--text);position:relative;font-weight:700;font-size:15px;transition:.2s}
.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%)}
.main-btn,.header-register,.footer-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:700;box-shadow:0 10px 22px rgba(49,92,255,.22);border:0;white-space:nowrap;transition:.2s}
.main-btn:hover,.footer-btn:hover{transform:translateY(-2px);box-shadow:0 16px 28px rgba(49,92,255,.28)}
.channel-bar{background:#F5F7FB;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;font-size:14px;white-space:nowrap;transition:.2s}
.channel-bar a:hover,.channel-bar a.active{color:var(--brand);background:rgba(49,92,255,0.10)}
.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0}
.menu-toggle span{width:22px;height:2px;border-radius:99px;background:var(--title)}
.site-main{padding-top:126px;min-height:70vh}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;background:rgba(49,92,255,.09);color:var(--brand);font-weight:800;font-size:13px;margin-bottom:12px}
h1,h2,h3,.section-title{color:var(--title);line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(30px,4vw,52px);letter-spacing:-1px}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}
p{margin:0 0 14px;color:var(--muted)}
.section{padding:42px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head p{max-width:680px;margin:0}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:22px;background:#F5F7FB;box-shadow:var(--shadow);overflow:hidden;position:relative;height:330px;border:1px solid rgba(49,92,255,.1)}
.slider-track,.slide{width:100%;height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;background:#F5F7FB;display:flex;align-items:center;justify-content:center}
.slide.active{opacity:1;z-index:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F5F7FB}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.slider-arrow{position:absolute;z-index:3;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:1px solid rgba(49,92,255,.18);background:rgba(255,255,255,.86);box-shadow:0 8px 20px rgba(31,45,85,.12);cursor:pointer;color:var(--brand);font-size:0}
.slider-arrow::before{font-size:32px;line-height:1;display:block;margin-top:-2px}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-arrow.prev::before{content:"‹"}.slider-arrow.next::before{content:"›"}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:4;display:flex;justify-content:center;gap:8px}
.slider-dots button{width:9px;height:9px;border-radius:999px;border:0;background:rgba(49,92,255,.25);padding:0;cursor:pointer;transition:.2s;font-size:0}
.slider-dots button.active{width:28px;background:var(--brand)}
.intro-panel,.sub-hero,.two-col{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}
.intro-panel,.sub-hero{background:linear-gradient(135deg,#fff 0%,#EEF4FF 100%);border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}
.intro-panel figure,.sub-hero figure,.image-card{margin:0;background:#fff;border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);padding:14px;min-height:220px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.intro-panel img,.sub-hero img,.image-card img{max-height:290px;width:100%;height:auto;object-fit:contain}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.news-tile,.advantage,.card,.zone-card,.info-card,.review-card,.faq-item,.product-card,.notice-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:20px}
.news-tile strong,.advantage strong{display:block;color:var(--title);font-size:17px;margin-bottom:6px}
.advantage-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:var(--blue-soft);border:1px solid rgba(49,92,255,.12);border-radius:22px;padding:16px}
.advantage{box-shadow:none;border-color:rgba(49,92,255,.1)}
.topic-card{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:24px}
.topic-card figure{margin:0;background:var(--soft);border-radius:20px;display:flex;align-items:center;justify-content:center;padding:12px;min-height:230px}
.topic-card img{max-height:260px;width:100%;object-fit:contain}
.product-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-card{padding:14px}
.product-card img{width:100%;height:160px;object-fit:contain;background:#F5F7FB;border-radius:14px;margin-bottom:12px}
.product-card h3{font-size:18px;margin-bottom:6px}
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.zone-card{padding:14px}
.zone-card img,.info-card img,.content-img{width:100%;height:155px;object-fit:contain;background:#F5F7FB;border-radius:14px;margin-bottom:12px}
.app-panel{display:grid;grid-template-columns:1fr .85fr;gap:28px;align-items:center;background:#EEF4FF;border:1px solid rgba(49,92,255,.12);border-radius:26px;padding:28px}
.app-panel figure{margin:0;background:#fff;border-radius:22px;padding:14px;box-shadow:var(--shadow)}
.app-panel img{max-height:260px;width:100%;object-fit:contain}
.notice-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.security-list{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.security-list .info-card{box-shadow:none;background:var(--soft)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.review-card em{display:block;color:var(--title);font-style:normal;font-weight:800;margin-bottom:8px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-item h3{font-size:18px}.faq-item p{margin-bottom:0}
.light-band{background:#F5F7FB;border-top:1px solid rgba(49,92,255,.08);border-bottom:1px solid rgba(49,92,255,.08)}
.blue-band{background:#EEF4FF}
.page-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.page-list .card h3{display:flex;align-items:center;gap:10px}.num{display:inline-flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:rgba(49,92,255,.1);color:var(--brand);font-size:13px;font-weight:800}
.text-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:26px}
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:counter(step);display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;margin-bottom:10px}
.breadcrumb{font-size:14px;color:var(--light);margin-bottom:12px}.breadcrumb a{color:var(--brand)}
.site-footer{background:#101828;color:#D8E0F2;margin-top:54px;padding:48px 0 22px}
.site-footer p,.site-footer a{color:#D8E0F2}.site-footer a{display:block;margin:8px 0}.site-footer h3{color:#fff;font-size:18px}.site-footer .logo img{max-height:48px}.footer-grid{display:grid;grid-template-columns:1.4fr .75fr .75fr 1fr;gap:28px}.footer-brand p{max-width:460px}.footer-bottom{border-top:1px solid rgba(216,224,242,.16);margin-top:26px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#AEB9D0;font-size:14px}.footer-btn{display:inline-flex!important;margin-top:8px!important}
.mobile-bottom-nav{display:none}.mobile-drawer,.drawer-mask{display:none}
@media (max-width:980px){
  .wrap{width:min(100% - 28px,1180px)}
  .nav-core{gap:14px}.header-inner{gap:14px}.header-register{padding:0 16px}
  .quick-grid,.advantage-row,.security-list,.product-row{grid-template-columns:repeat(2,1fr)}
  .matrix-grid,.review-grid,.notice-list,.page-list{grid-template-columns:repeat(2,1fr)}
  .intro-panel,.sub-hero,.two-col,.topic-card,.app-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  body{padding-bottom:72px}.site-main{padding-top:76px}
  .site-header{background:#fff}.header-inner{min-height:72px;display:grid;grid-template-columns:48px 1fr auto;gap:8px}.menu-toggle{display:inline-flex}.nav-core,.channel-bar{display:none}.logo{justify-content:center}.logo img{max-height:46px}.header-register{min-height:38px;padding:0 15px;font-size:14px}
  .banner-slider{height:190px;margin:16px auto 24px;border-radius:18px;width:calc(100% - 28px)}
  .slider-arrow{width:34px;height:34px}.slider-arrow.prev{left:8px}.slider-arrow.next{right:8px}.slider-arrow::before{font-size:26px}
  .section{padding:28px 0}.section-head{display:block}.intro-panel,.sub-hero{padding:22px;border-radius:22px}.intro-panel figure,.sub-hero figure{min-height:170px}.intro-panel img,.sub-hero img{max-height:220px}
  h1{font-size:30px}h2{font-size:24px}
  .quick-grid,.advantage-row,.security-list,.product-row,.matrix-grid,.review-grid,.notice-list,.faq-grid,.page-list,.steps{grid-template-columns:1fr}
  .topic-card{padding:18px}.topic-card figure{min-height:170px}.topic-card img{max-height:210px}.app-panel{padding:20px}.product-card img,.zone-card img,.info-card img,.content-img{height:142px}
  .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
  .drawer-mask{display:block;position:fixed;inset:0;background:rgba(23,33,58,.42);z-index:1100;opacity:0;pointer-events:none;transition:.25s}.mobile-drawer{display:block;position:fixed;top:0;bottom:0;left:0;width:82vw;max-width:320px;background:#fff;z-index:1101;transform:translateX(-105%);transition:.25s;box-shadow:20px 0 45px rgba(31,45,85,.16);overflow-y:auto}.drawer-open .drawer-mask{opacity:1;pointer-events:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(49,92,255,.12)}.drawer-head .logo{justify-content:flex-start}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;background:#F5F7FB;position:relative}.drawer-close::before,.drawer-close::after{content:"";position:absolute;left:10px;right:10px;top:18px;height:2px;background:#17213A;border-radius:99px}.drawer-close::before{transform:rotate(45deg)}.drawer-close::after{transform:rotate(-45deg)}.drawer-nav{display:grid;gap:5px;padding:14px}.drawer-nav a{padding:12px 14px;border-radius:12px;color:#252B3A;font-weight:700}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(49,92,255,.1);color:#315CFF}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:62px;background:#fff;border-top:1px solid rgba(31,45,85,.12);display:grid;grid-template-columns:repeat(4,1fr);z-index:1000;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:2px;color:#5F6B82;font-size:12px;font-weight:700}.mobile-bottom-nav span{font-size:17px;line-height:1}.mobile-bottom-nav a.active{color:#315CFF}
}
@media (max-width:420px){.wrap{width:calc(100% - 22px)}.banner-slider{width:calc(100% - 22px);height:168px}.header-register{padding:0 12px}.logo img{max-height:42px}}