:root{
    --blue:#315CFF;
    --blue-light:#4F73FF;
    --blue-soft:#EEF4FF;
    --text:#252B3A;
    --title:#17213A;
    --muted:#5F6B82;
    --line:rgba(49,92,255,0.14);
    --shadow:0 14px 34px rgba(31,45,85,0.08);
    --gray:#F5F7FB;
    --footer:#101828;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#FFFFFF;color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;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)}
.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;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:700;font-size:15px;padding:24px 0}
.nav-core a:hover,.nav-core a.active{color:var(--blue)}
.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:10px;width:28px;height:3px;border-radius:999px;background:var(--blue);transform:translateX(-50%)}
.register-btn,.main-btn,.drawer-register{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#315CFF 0%,#5F7DFF 52%,#8CA5FF 100%);color:#FFFFFF;border-radius:999px;font-weight:800;padding:11px 24px;box-shadow:0 10px 20px rgba(49,92,255,0.20);border:0;white-space:nowrap}
.register-btn:hover,.main-btn:hover,.drawer-register:hover{transform:translateY(-1px)}
.channel-bar{background:var(--gray);border-bottom:1px solid rgba(49,92,255,0.10)}
.channel-scroll{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;padding:9px 0}
.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;font-weight:600;white-space:nowrap}
.channel-bar a:hover,.channel-bar a.active{color:var(--blue);background:rgba(49,92,255,0.10)}
.mobile-menu-btn{display:none;background:none;border:0;width:40px;height:40px;padding:8px;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.mobile-menu-btn span{display:block;width:22px;height:2px;border-radius:999px;background:var(--title)}
.site-main{padding-top:124px}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:22px;background:var(--gray);box-shadow:var(--shadow);overflow:hidden;position:relative;height:330px;min-height:260px;max-height:360px}
.slider-track,.slide{width:100%;height:100%}
.slide{display:none;align-items:center;justify-content:center;background:var(--gray)}
.slide.active{display:flex}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:var(--gray)}
.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-radius:999px;border:1px solid rgba(255,255,255,0.75);background:rgba(255,255,255,0.86);color:var(--blue);font-size:30px;line-height:38px;cursor:pointer;box-shadow:0 10px 24px rgba(31,45,85,0.12)}
.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-radius:999px;border:0;background:rgba(49,92,255,0.28);cursor:pointer;padding:0}
.slider-dot.active{width:24px;background:var(--blue)}
section{margin:52px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
.eyebrow{display:inline-flex;color:var(--blue);background:rgba(49,92,255,0.10);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:800;margin-bottom:10px}
h1,h2,h3,.section-title{color:var(--title);margin:0 0 12px;font-weight:900;letter-spacing:-0.01em}
h1{font-size:clamp(30px,5vw,52px);line-height:1.16}
h2,.section-title{font-size:clamp(24px,3vw,34px);line-height:1.25}
h3{font-size:20px}p{margin:0 0 14px;color:var(--muted)}
.hero-simple{background:linear-gradient(135deg,#FFFFFF 0%,#EEF4FF 100%);border-bottom:1px solid rgba(49,92,255,0.10);padding:54px 0;margin:0 0 44px}
.hero-simple .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(260px,0.95fr);gap:34px;align-items:center}
.hero-simple img,.split-card img,.feature-image img{width:100%;height:260px;object-fit:contain;background:var(--gray);border-radius:22px;border:1px solid var(--line)}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:22px}.text-link{color:var(--blue);font-weight:800}
.intro-grid{display:grid;grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);gap:30px;align-items:center}
.intro-media,.split-media{background:var(--gray);border-radius:22px;border:1px solid var(--line);padding:18px;box-shadow:var(--shadow)}
.intro-media img,.split-media img{width:100%;height:260px;object-fit:contain}
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:22px}
.entry-card,.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card{background:#FFFFFF;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px}
.entry-card{padding:20px}.entry-card strong{display:block;color:var(--title);font-size:18px;margin-bottom:8px}.entry-card span{color:var(--blue);font-weight:900;font-size:24px}
.news-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.news-item{padding:20px;background:#FFFFFF;border:1px solid var(--line);border-radius:18px}.news-item b{display:block;color:var(--title);margin-bottom:8px}.news-item time{display:inline-flex;color:var(--blue);font-size:13px;font-weight:800;margin-bottom:8px}
.advantage-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;background:#FFFFFF;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}.advantage-item{padding:24px;border-right:1px solid var(--line)}.advantage-item:last-child{border-right:0}.advantage-item span{display:inline-grid;place-items:center;width:34px;height:34px;background:var(--blue-soft);color:var(--blue);border-radius:10px;font-weight:900;margin-bottom:12px}.advantage-item b{display:block;color:var(--title);font-size:18px;margin-bottom:8px}
.split-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;background:linear-gradient(135deg,#FFFFFF,#F7FAFF);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:28px}.split-card.reverse .split-copy{order:2}.split-card.reverse .split-media{order:1}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.tag-list span{display:inline-flex;padding:7px 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-weight:700;font-size:13px}
.product-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.product-card{padding:16px;background:#FFFFFF;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px}.product-card img{width:100%;height:160px;object-fit:contain;background:var(--gray);border-radius:14px;margin-bottom:14px}.product-card h3{font-size:18px}.product-card p{font-size:14px}
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.matrix-card{padding:16px;border:1px solid var(--line);border-radius:18px;background:#FFFFFF;box-shadow:var(--shadow)}.matrix-card img{width:100%;height:145px;object-fit:contain;background:var(--gray);border-radius:14px;margin-bottom:14px}.matrix-card h3{font-size:18px}
.app-panel{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center;background:var(--blue-soft);border-radius:24px;padding:30px;border:1px solid rgba(49,92,255,0.14)}.app-panel img{width:100%;height:280px;object-fit:contain;background:#FFFFFF;border-radius:20px}.check-list{display:grid;gap:10px;margin:16px 0}.check-list span{position:relative;padding-left:26px;color:var(--text)}.check-list span::before{content:"";position:absolute;left:0;top:10px;width:12px;height:12px;border-radius:50%;background:var(--blue)}
.notice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.notice-card{padding:22px}.notice-card strong{display:block;color:var(--title);margin-bottom:8px}
.security-band{background:#F8FAFF;border:1px solid var(--line);border-radius:24px;padding:28px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.security-band div{background:#FFFFFF;border-radius:18px;border:1px solid rgba(49,92,255,0.12);padding:18px}.security-band b{display:block;color:var(--title);margin-bottom:8px}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.review-card{padding:22px}.review-card b{display:block;color:var(--title);margin-bottom:10px}.review-card span{display:inline-flex;margin-top:8px;color:var(--blue);font-weight:800;font-size:13px}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.faq-card{padding:22px}.faq-card h3{font-size:18px}.compliance-box{background:#101828;color:#D8E0F2;border-radius:24px;padding:30px}.compliance-box h2,.compliance-box h3{color:#FFFFFF}.compliance-box p{color:#D8E0F2}.compliance-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px}.compliance-list span{border:1px solid rgba(255,255,255,0.16);border-radius:14px;padding:14px;background:rgba(255,255,255,0.05);color:#EDF3FF}
.page-content{display:grid;gap:28px}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.content-card{background:#FFFFFF;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:24px}.content-card ul{padding-left:20px;margin:10px 0 0;color:var(--muted)}.content-card li{margin-bottom:8px}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.step{background:#FFFFFF;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.step span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;margin-bottom:12px}.mini-reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.mini-reviews blockquote{margin:0;background:#FFFFFF;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--shadow);color:var(--muted)}
.site-footer{background:#101828;color:#D8E0F2;margin-top:64px;padding:46px 0 22px}.site-footer p{color:#D8E0F2}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}.footer-grid h3{color:#FFFFFF;font-size:18px}.footer-grid a{display:block;color:#D8E0F2;margin:8px 0}.footer-grid a:hover{color:#FFFFFF}.site-footer .logo img{max-height:48px}.footer-note{border-top:1px solid rgba(255,255,255,0.12);margin-top:28px;padding-top:20px;font-size:14px}.mobile-drawer{display:none}.mobile-bottom-nav{display:none}.no-scroll{overflow:hidden}
@media (max-width: 980px){.nav-core{gap:16px}.entry-grid,.news-strip,.advantage-bar,.product-row{grid-template-columns:repeat(2,minmax(0,1fr))}.matrix-grid,.notice-grid,.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.compliance-list{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.hero-simple .hero-grid,.intro-grid,.split-card,.app-panel,.content-grid{grid-template-columns:1fr}.split-card.reverse .split-copy,.split-card.reverse .split-media{order:initial}}
@media (max-width: 760px){body{padding-bottom:68px}.site-main{padding-top:74px}.site-header{border-bottom:1px solid rgba(49,92,255,0.12)}.header-inner{min-height:72px;gap:10px}.mobile-menu-btn{display:flex}.nav-core,.channel-bar{display:none}.logo img{max-height:44px}.register-btn{padding:9px 16px;font-size:14px}.header-inner .logo{position:absolute;left:50%;transform:translateX(-50%)}.banner-slider{width:calc(100% - 28px);height:190px;min-height:150px;margin:18px auto 28px;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:24px;line-height:30px}.slider-prev{left:8px}.slider-next{right:8px}section{margin:38px 0}.section-head{display:block}.hero-simple{padding:36px 0;margin-bottom:30px}.hero-simple img,.split-card img,.feature-image img,.intro-media img,.split-media img,.app-panel img{height:210px}.entry-grid,.news-strip,.advantage-bar,.product-row,.matrix-grid,.notice-grid,.security-band,.review-grid,.faq-grid,.content-grid,.mini-reviews,.steps{grid-template-columns:1fr}.advantage-item{border-right:0;border-bottom:1px solid var(--line)}.advantage-item:last-child{border-bottom:0}.split-card,.app-panel{padding:20px}.product-card img{height:140px}.matrix-card img{height:135px}.compliance-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.mobile-drawer{display:block;position:fixed;inset:0;z-index:1400;pointer-events:none}.drawer-overlay{position:absolute;inset:0;background:rgba(16,24,40,0.44);opacity:0;transition:.25s}.drawer-panel{position:absolute;left:0;top:0;bottom:0;width:84%;max-width:320px;background:#FFFFFF;transform:translateX(-102%);transition:.25s;box-shadow:20px 0 44px rgba(16,24,40,0.18);padding:18px;overflow-y:auto}.mobile-drawer.open{pointer-events:auto}.mobile-drawer.open .drawer-overlay{opacity:1}.mobile-drawer.open .drawer-panel{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(49,92,255,0.12);padding-bottom:16px;margin-bottom:14px}.drawer-close{border:0;background:#F5F7FB;color:var(--title);border-radius:50%;width:36px;height:36px;font-size:24px;line-height:1}.drawer-nav{display:grid;gap:6px}.drawer-nav a{padding:12px 12px;border-radius:14px;color:var(--text);font-weight:700}.drawer-nav a.active{color:var(--blue);background:rgba(49,92,255,0.10)}.drawer-register{margin-top:8px;color:#FFFFFF!important;text-align:center}.mobile-bottom-nav{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:1200;height:62px;background:#FFFFFF;border-top:1px solid #E8ECF5;grid-template-columns:repeat(4,1fr);box-shadow:0 -8px 28px rgba(16,24,40,0.08)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#5F6B82;font-size:13px;font-weight:700}.mobile-bottom-nav a span{width:7px;height:7px;border-radius:50%;background:#CBD3E1}.mobile-bottom-nav a.active{color:var(--blue)}.mobile-bottom-nav a.active span{background:var(--blue)}}
@media (max-width: 420px){.container{width:min(100% - 24px,1180px)}h1{font-size:30px}.banner-slider{height:165px}.hero-simple img,.split-card img,.feature-image img,.intro-media img,.split-media img,.app-panel img{height:185px}.review-card,.faq-card,.content-card{padding:18px}}