:root{
    --bg:#F4F5F7;
    --surface:#FFFFFF;
    --muted:#EEF1F5;
    --line:#DDE2EA;
    --red:#D60000;
    --deep-red:#A90000;
    --text:#1D222B;
    --sub:#5B6472;
    --soft:#87909E;
    --border:rgba(20,28,40,.08);
    --red-border:rgba(214,0,0,.16);
    --shadow:0 16px 38px rgba(24,32,46,.08);
    --btn:linear-gradient(135deg,#FF3030 0%,#D60000 52%,#980000 100%);
    --footer:#11151C;
    --footer-text:#E7ECF3;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.72;padding-top:122px;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo img{max-height:52px;width:auto;display:block}
.nav-core{display:flex;align-items:center;justify-content:center;gap:22px;white-space:nowrap;flex-wrap:nowrap;flex:1}
.nav-core a{color:var(--text);font-weight:700;position:relative;padding:8px 6px;border-radius:999px;transition:.2s ease}
.nav-core a:hover,.nav-core a.active{color:var(--red)}
.nav-core a:hover{background:rgba(20,28,40,.045)}
.nav-core a.active::after{content:"";position:absolute;left:50%;bottom:-10px;width:22px;height:3px;border-radius:999px;background:var(--red);transform:translateX(-50%)}
.register-btn,.main-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--btn);color:#fff;border-radius:999px;padding:10px 22px;font-weight:800;box-shadow:0 10px 22px rgba(214,0,0,.18);white-space:nowrap;border:0;line-height:1.2}
.register-btn.small{padding:9px 16px;font-size:14px}
.channel-bar{background:#fff;border-top:1px solid rgba(20,28,40,.03);border-bottom:1px solid var(--border);overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.channel-bar::-webkit-scrollbar{display:none}
.channel-scroll{display:flex;align-items:center;gap:4px;min-height:49px;overflow-x:auto;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-bar a{display:inline-flex;align-items:center;color:var(--sub);padding:8px 13px;border-radius:999px;font-size:14px;transition:.2s ease;flex:0 0 auto}
.channel-bar a:hover,.channel-bar a.active{color:var(--red);background:rgba(214,0,0,.08)}
.mobile-topbar{display:none}
.floating-service{position:fixed;right:18px;top:42%;z-index:50;display:flex;flex-direction:column;gap:8px}
.floating-service a{background:#fff;color:var(--text);border:1px solid var(--border);box-shadow:0 12px 30px rgba(24,32,46,.08);border-radius:999px;padding:9px 12px;font-size:14px;font-weight:700;text-align:center;transition:.2s ease}
.floating-service a:hover{transform:translateX(-3px);color:var(--red)}
.floating-service a.register-link{background:var(--btn);color:#fff;border:0}
.page-main{padding-bottom:56px}
.section{padding:34px 0}
.section.alt{background:var(--muted)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--red);font-weight:800;font-size:14px;margin-bottom:8px}
.section-kicker::before{content:"";width:20px;height:3px;border-radius:999px;background:var(--red)}
h1,h2,h3,.section-title{color:var(--red);line-height:1.28;margin:0 0 12px}
h1{font-size:clamp(30px,4vw,48px);letter-spacing:-.02em}
h2,.section-title{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}
p{margin:0 0 12px;color:var(--sub)}
.lead{font-size:18px;color:var(--text)}
.muted-text{color:var(--soft);font-size:14px}
.card,.zone-card,.info-card,.review-card,.notice-card,.faq-item,.metric-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px}
.card{padding:24px}
.slim-card{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--border)}
.banner-slider{max-width:1180px;margin:24px auto 34px;border-radius:24px;background:var(--muted);box-shadow:var(--shadow);overflow:hidden;position:relative;height:clamp(260px,30vw,360px)}
.slide-track,.slide-track img{width:100%;height:100%}
.slide-track img{position:absolute;inset:0;opacity:0;object-fit:contain;background:var(--muted);transition:opacity .42s ease}
.slide-track img.active{opacity:1}
.slider-arrow{position:absolute;top:50%;z-index:2;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.65);background:rgba(255,255,255,.82);box-shadow:0 10px 24px rgba(24,32,46,.14);transform:translateY(-50%);cursor:pointer}
.slider-arrow::before{content:"";position:absolute;top:50%;left:50%;width:11px;height:11px;border-top:3px solid var(--red);border-left:3px solid var(--red)}
.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}
.slider-arrow.prev::before{transform:translate(-36%,-50%) rotate(-45deg)}
.slider-arrow.next::before{transform:translate(-64%,-50%) rotate(135deg)}
.slider-dots{position:absolute;left:0;right:0;bottom:14px;z-index:2;display:flex;align-items:center;justify-content:center;gap:8px}
.slider-dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.75);padding:0;cursor:pointer}
.slider-dots button.active{background:var(--red);width:23px;border-radius:999px}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.hero-panel{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:30px;display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;position:relative;overflow:hidden}
.hero-panel::before{content:"";position:absolute;right:-90px;top:-70px;width:260px;height:260px;border:1px solid var(--line);border-radius:50%}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:20px}
.ghost-link{display:inline-flex;align-items:center;color:var(--red);font-weight:800}
.hero-image,.feature-image{border-radius:22px;background:var(--muted);border:1px solid var(--border);padding:12px;min-height:220px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-image img,.feature-image img{width:100%;max-height:270px;object-fit:contain}
.quick-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick-strip .info-card{padding:18px;border-left:4px solid var(--red)}
.quick-strip strong{display:block;color:var(--text);font-size:17px;margin-bottom:6px}
.board-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric-card{padding:24px;position:relative;overflow:hidden}
.metric-card::after{content:"";position:absolute;right:18px;top:18px;width:34px;height:34px;border-radius:50%;border:8px solid rgba(214,0,0,.08)}
.metric-card .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:rgba(214,0,0,.1);color:var(--red);font-weight:900;margin-bottom:14px}
.split-feature{display:grid;grid-template-columns:.95fr 1.05fr;gap:26px;align-items:center}
.feature-list{display:grid;gap:12px;margin-top:16px}
.feature-list li{list-style:none;background:#fff;border:1px solid var(--border);border-radius:16px;padding:13px 15px;color:var(--sub)}
ul.feature-list{padding:0;margin-left:0}
.horizontal-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-card{background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:0 12px 26px rgba(24,32,46,.06);overflow:hidden}
.product-card img{width:100%;height:155px;object-fit:contain;background:var(--muted);padding:10px}
.product-card .product-body{padding:16px}
.product-card h3{font-size:18px;margin-bottom:8px}
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.matrix-card{display:grid;grid-template-columns:94px 1fr;gap:14px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:18px;padding:14px;box-shadow:0 12px 26px rgba(24,32,46,.05)}
.matrix-card img{width:94px;height:80px;object-fit:contain;background:var(--muted);border-radius:14px;padding:8px}
.app-panel{display:grid;grid-template-columns:1fr .85fr;gap:26px;align-items:center;background:#fff;border:1px solid var(--red-border);box-shadow:var(--shadow);border-radius:26px;padding:28px}
.app-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.app-points span{background:rgba(214,0,0,.06);border:1px solid var(--red-border);border-radius:14px;padding:11px 13px;color:var(--text);font-weight:700}
.notice-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice-card{padding:24px}
.security-grid,.review-grid,.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.review-card{padding:22px}
.review-card strong{display:block;color:var(--text);margin-bottom:8px}
.faq-item{padding:20px}
.faq-item h3{font-size:18px;color:var(--text)}
.compliance-band{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:22px 0}
.compliance-band p{margin:0;color:var(--text)}
.page-hero{padding:34px 0 22px}
.inner-hero{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:30px;display:grid;grid-template-columns:1.04fr .96fr;gap:28px;align-items:center;overflow:hidden}
.inner-hero.no-image{grid-template-columns:1fr}
.inner-hero img{max-height:280px;object-fit:contain;background:var(--muted);border-radius:22px;padding:12px;border:1px solid var(--border);width:100%}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--soft);font-size:14px;margin-bottom:10px;flex-wrap:wrap}
.content-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.text-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:22px;padding:26px}
.points-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.point-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:0 12px 26px rgba(24,32,46,.05)}
.step-list{counter-reset:item;display:grid;gap:12px;padding:0;margin:0}
.step-list li{list-style:none;background:var(--muted);border:1px solid var(--border);border-radius:16px;padding:14px 16px;color:var(--sub);position:relative;padding-left:54px}
.step-list li::before{counter-increment:item;content:counter(item);position:absolute;left:15px;top:16px;width:25px;height:25px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--red);color:#fff;font-weight:900;font-size:13px}
.img-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.img-row img{height:160px;width:100%;object-fit:contain;background:var(--muted);border-radius:16px;padding:10px;border:1px solid var(--border)}
.cta-strip{background:#fff;border:1px solid var(--red-border);border-radius:22px;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:var(--shadow)}
.site-footer{background:var(--footer);color:var(--footer-text);padding:42px 0 0;margin-top:30px}
.site-footer p,.site-footer a{color:rgba(231,236,243,.78)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
.footer-logo img{max-height:50px;width:auto;margin-bottom:14px}
.footer-col{display:flex;flex-direction:column;gap:8px}
.footer-col h3{color:#fff;font-size:17px;margin-bottom:8px}
.footer-note{font-size:14px;color:rgba(231,236,243,.62)!important}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:28px;padding:18px 0;text-align:center}
.drawer-mask,.mobile-drawer{display:none}
.mobile-bottom-nav{display:none}
@media(max-width:980px){
    body{padding-top:111px}
    .desktop-header{display:none}
    .mobile-topbar{min-height:62px;display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:10px;padding:0 14px}
    .mobile-logo{justify-self:center}.logo img{max-height:45px}
    .menu-toggle{width:42px;height:42px;border:0;background:#fff;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;box-shadow:0 8px 20px rgba(24,32,46,.08)}
    .menu-toggle span{width:19px;height:2px;background:var(--text);border-radius:999px}
    .channel-scroll{width:100%;padding:0 14px}.container.channel-scroll{width:100%;margin:0}
    .floating-service{display:none}
    .drawer-mask{display:block;position:fixed;inset:0;background:rgba(17,21,28,.42);z-index:140;opacity:0;pointer-events:none;transition:.22s ease}
    .mobile-drawer{display:block;position:fixed;left:0;top:0;height:100vh;width:82vw;max-width:320px;background:#fff;z-index:150;transform:translateX(-102%);transition:.25s ease;box-shadow:20px 0 45px rgba(24,32,46,.22);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{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}
    .drawer-close{width:36px;height:36px;border:0;background:var(--muted);border-radius:50%;position:relative}
    .drawer-close::before,.drawer-close::after{content:"";position:absolute;left:10px;right:10px;top:17px;height:2px;background:var(--text);border-radius:999px}.drawer-close::before{transform:rotate(45deg)}.drawer-close::after{transform:rotate(-45deg)}
    .drawer-nav{display:grid;padding:12px}.drawer-nav a{padding:13px 14px;border-radius:14px;color:var(--text);font-weight:700}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(214,0,0,.08);color:var(--red)}
    .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:120;height:58px;background:#fff;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr);box-shadow:0 -10px 30px rgba(24,32,46,.08)}
    .mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--sub);font-size:14px}.mobile-bottom-nav a.active{color:var(--red)}
    .page-main{padding-bottom:86px}
    .section-head,.cta-strip{align-items:flex-start;flex-direction:column}
    .hero-panel,.inner-hero,.content-grid,.split-feature,.app-panel{grid-template-columns:1fr}
    .quick-strip,.board-grid,.horizontal-cards,.matrix-grid,.points-grid,.security-grid,.review-grid,.faq-grid,.notice-row,.footer-grid{grid-template-columns:1fr 1fr}
    .img-row{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
    body{padding-top:108px}
    .container{width:min(100% - 28px,1180px)}
    .section{padding:24px 0}
    .banner-slider{height:clamp(150px,50vw,210px);border-radius:18px;margin:16px auto 24px}
    .slider-arrow{width:34px;height:34px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}
    .hero-panel,.inner-hero,.app-panel,.text-card{padding:20px;border-radius:20px}
    .hero-image,.feature-image{min-height:150px}.hero-image img,.feature-image img,.inner-hero img{max-height:210px}
    .quick-strip,.board-grid,.horizontal-cards,.matrix-grid,.points-grid,.security-grid,.review-grid,.faq-grid,.notice-row,.footer-grid,.img-row{grid-template-columns:1fr}
    .product-card img{height:135px}.matrix-card{grid-template-columns:78px 1fr}.matrix-card img{width:78px;height:68px}
    .app-points{grid-template-columns:1fr}
    h1{font-size:30px}h2,.section-title{font-size:24px}
}