:root{
    --bg:#FFFFFF;
    --soft:#F5F7FB;
    --soft-blue:#EEF4FF;
    --blue:#315CFF;
    --blue-2:#4F73FF;
    --blue-3:#6B8DFF;
    --title:#17213A;
    --text:#252B3A;
    --muted:#5F6B82;
    --light:#8A95AA;
    --border:rgba(49,92,255,0.14);
    --shadow:0 14px 34px rgba(31,45,85,0.08);
    --radius:20px;
    --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","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;padding-top:126px;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1180px,calc(100% - 36px));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;gap:24px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:var(--text);position:relative;font-weight:700;font-size:15px;padding:24px 0 22px}
.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{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:999px;background:var(--gradient);color:#fff;font-weight:800;box-shadow:0 12px 22px rgba(49,92,255,0.22);white-space:nowrap;border:0}
.register-btn:hover,.main-btn:hover{transform:translateY(-1px);box-shadow:0 16px 28px rgba(49,92,255,0.28)}
.channel-bar{background:var(--soft);border-bottom:1px solid rgba(49,92,255,0.10)}
.channel-scroll{display:flex;align-items:center;gap:8px;min-height:50px;overflow-x:auto;scrollbar-width:none;padding:8px 0}
.channel-scroll::-webkit-scrollbar{display:none}
.channel-bar a{display:inline-flex;align-items:center;color:var(--muted);padding:8px 14px;border-radius:999px;font-weight:700;font-size:14px;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:42px;height:42px;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;border-radius:12px}
.mobile-menu-btn span{width:22px;height:2px;background:var(--title);border-radius:999px}
.site-main{min-height:60vh}
.section{padding:58px 0}
.section.soft{background:var(--soft)}
.section.blue-soft{background:var(--soft-blue)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:24px}
.eyebrow{color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.08em;margin:0 0 8px}
h1,h2,h3,.section-title{color:var(--title);margin:0;line-height:1.28}
h1{font-size:clamp(30px,4vw,50px);letter-spacing:-.03em}
h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.02em}
h3{font-size:19px}.lead{font-size:17px;color:var(--muted);margin:14px 0 0;max-width:760px}.muted{color:var(--muted)}
.hero-page{padding:54px 0 38px;background:linear-gradient(180deg,#FFFFFF 0%,#EEF4FF 100%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}.hero-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:28px;padding:36px}.hero-media{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:28px;padding:18px;overflow:hidden}.hero-media img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:20px}
.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,28vw,360px)}
.banner-track{height:100%;display:flex;transition:transform .5s ease}.banner-slide{min-width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--soft)}
.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:0;border-radius:999px;background:rgba(255,255,255,.92);box-shadow:0 8px 20px rgba(31,45,85,.13);color:var(--blue);font-size:28px;line-height:1;cursor:pointer}.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;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}.slider-dots button.active{width:24px;background:var(--blue)}
.intro-band{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}.intro-copy{padding:34px;border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.entry-card{padding:20px;border-radius:18px;background:var(--soft-blue);border:1px solid rgba(49,92,255,.12)}.entry-card strong{display:block;color:var(--title);margin-bottom:6px}.entry-card p{margin:0;color:var(--muted);font-size:14px}
.news-ticker{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.ticker-item{padding:20px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.ticker-item span{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:12px;background:rgba(49,92,255,.1);color:var(--blue);font-weight:900;margin-bottom:10px}.ticker-item p{margin:7px 0 0;color:var(--muted);font-size:14px}
.advantage-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.advantage-item{padding:24px;border-right:1px solid rgba(49,92,255,.12)}.advantage-item:last-child{border-right:0}.advantage-item b{color:var(--blue);display:block;margin-bottom:6px}.advantage-item p{margin:0;color:var(--muted);font-size:14px}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.feature-media,.feature-copy{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:22px}.feature-media img{width:100%;height:260px;object-fit:contain;background:var(--soft);border-radius:18px}.feature-copy p{color:var(--muted)}.feature-list{display:grid;gap:12px;margin-top:16px}.feature-list div{padding:14px 16px;background:var(--soft-blue);border-radius:14px;color:var(--text)}
.card,.zone-card,.info-card,.review-card,.faq-card,.product-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:18px}.recommend-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{overflow:hidden}.product-card img{width:100%;height:160px;object-fit:contain;background:var(--soft)}.product-card .body{padding:18px}.product-card p{margin:8px 0 0;color:var(--muted);font-size:14px}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.zone-card{padding:16px}.zone-card img,.info-card img,.content-img{max-width:100%;height:auto;max-height:230px;object-fit:contain;background:var(--soft);border-radius:14px;margin-bottom:14px}.zone-card p{color:var(--muted);font-size:14px;margin:8px 0 0}
.app-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:26px;padding:24px}.app-panel img{width:100%;height:260px;object-fit:contain;background:var(--soft);border-radius:18px}.app-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.app-points span{background:var(--soft-blue);padding:12px 14px;border-radius:12px;font-weight:700;color:var(--title)}
.notice-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.notice-card{padding:22px}.notice-card p{color:var(--muted);margin-bottom:0}.security-band{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.security-band div{padding:22px;background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow)}.security-band p{color:var(--muted);margin-bottom:0}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{padding:22px}.review-card p{color:var(--muted);margin:0}.review-card strong{display:block;margin-top:14px;color:var(--title)}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-card{padding:22px}.faq-card p{color:var(--muted);margin-bottom:0}.about-mini{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.about-mini img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow)}.compliance-box{padding:28px;border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}.compliance-box ul{margin:14px 0 0;padding-left:20px;color:var(--muted)}
.page-content{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}.content-panel{padding:28px}.content-panel p{color:var(--muted)}.side-panel{position:sticky;top:154px;padding:20px}.side-panel img{width:100%;height:230px;object-fit:contain;background:var(--soft);border-radius:16px;margin-bottom:16px}.point-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.point-card{padding:20px}.point-card p{color:var(--muted);margin-bottom:0}.steps{counter-reset:step;display:grid;gap:14px}.steps li{list-style:none;counter-increment:step;background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px 16px 16px 56px;position:relative;color:var(--muted);box-shadow:var(--shadow)}.steps li::before{content:counter(step);position:absolute;left:16px;top:16px;width:28px;height:28px;border-radius:50%;background:rgba(49,92,255,.12);color:var(--blue);font-weight:900;display:flex;align-items:center;justify-content:center}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mini-list{margin:0;padding-left:18px;color:var(--muted)}
.site-footer{background:#101828;color:#D8E0F2;padding:52px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:28px}.footer-logo img{max-height:48px}.site-footer p{color:#B9C4DB;margin:14px 0 0}.site-footer h3{color:#fff;font-size:16px;margin-bottom:12px}.site-footer a{display:block;color:#D8E0F2;margin:8px 0}.site-footer a:hover{color:#fff}.footer-link-strong{color:#fff!important;font-weight:800}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding:18px 0;color:#AEB9CD;font-size:14px}.mobile-bottom-nav{display:none}.drawer-mask,.mobile-drawer{display:none}
@media (max-width:980px){body{padding-top:74px;padding-bottom:70px}.header-inner{min-height:74px;gap:12px}.mobile-menu-btn{display:inline-flex}.nav-core,.channel-bar{display:none}.logo img{max-height:44px}.header-inner .logo{position:absolute;left:50%;transform:translateX(-50%)}.register-btn{min-height:38px;padding:0 16px;font-size:14px}.drawer-mask{display:block;position:fixed;inset:0;background:rgba(16,24,40,.42);z-index:1100;opacity:0;pointer-events:none;transition:.25s}.drawer-mask.open{opacity:1;pointer-events:auto}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:82vw;max-width:320px;background:#fff;z-index:1200;transform:translateX(-104%);transition:.25s;box-shadow:18px 0 40px rgba(16,24,40,.18);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid rgba(49,92,255,.12)}.drawer-logo img{max-height:42px}.drawer-close{width:38px;height:38px;border:0;border-radius:12px;background:var(--soft);font-size:24px;color:var(--title)}.drawer-nav{display:grid;padding:14px}.drawer-nav a{padding:13px 14px;border-radius:14px;color:var(--text);font-weight:700}.drawer-nav a.active,.drawer-nav a:hover{color:var(--blue);background:rgba(49,92,255,.1)}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid rgba(31,45,85,.12);z-index:950;height:62px}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:12px;color:var(--muted);font-weight:800}.mobile-bottom-nav a span{font-size:17px;line-height:1}.mobile-bottom-nav a.active{color:var(--blue)}.hero-grid,.intro-band,.feature-grid,.app-panel,.about-mini,.page-content{grid-template-columns:1fr}.news-ticker,.advantage-strip,.recommend-row,.matrix,.notice-list,.security-band,.reviews,.faq-list,.point-grid,.two-col,.footer-grid{grid-template-columns:1fr 1fr}.side-panel{position:static}.advantage-item{border-right:0;border-bottom:1px solid rgba(49,92,255,.12)}.banner-slider{margin:14px auto 24px;height:clamp(150px,44vw,210px);min-height:150px;border-radius:16px}.slider-arrow{width:34px;height:34px;font-size:22px}.section{padding:42px 0}.hero-page{padding:38px 0 28px}}
@media (max-width:620px){.wrap{width:min(100% - 28px,1180px)}.hero-card,.intro-copy,.content-panel{padding:22px}.news-ticker,.advantage-strip,.recommend-row,.matrix,.notice-list,.security-band,.reviews,.faq-list,.point-grid,.two-col,.footer-grid,.app-points{grid-template-columns:1fr}.section-head{display:block}.hero-media img,.feature-media img,.app-panel img,.about-mini img{height:210px}.product-card img{height:145px}.side-panel img{height:190px}.footer-grid{gap:18px}.site-footer{padding-bottom:20px}}