:root{--bg:#E6EBF2;--soft:#F5F7FB;--white:#fff;--line:rgba(40,156,255,.16);--primary:#289CFF;--deep:#243447;--muted:#66788A;--shadow:0 14px 36px rgba(56,92,138,.10);--radius:22px;--head:76px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--deep);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit;text-decoration:none}img{max-width:100%}button{font:inherit;cursor:pointer}.container{width:min(1420px,calc(100% - 36px));margin:auto}
.site-header{position:fixed;inset:0 0 auto;z-index:1000;background:rgba(245,247,251,.94);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(56,92,138,.10)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:var(--head)}.logo img{max-height:52px;width:auto;display:block}.desktop-brand{flex:0 0 180px}.nav-core{display:flex;justify-content:center;gap:24px;white-space:nowrap;flex-wrap:nowrap}.nav-core a{position:relative;padding:9px 8px;border-radius:10px;color:#4E5F7A;font-weight:700}.nav-core a:hover,.nav-core a.active{color:var(--primary);background:rgba(40,156,255,.06)}.nav-core a.active:after{content:"";position:absolute;left:50%;bottom:-8px;width:28px;height:3px;border-radius:99px;background:var(--primary);transform:translateX(-50%)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 24px;border:0;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff;font-weight:800;box-shadow:0 10px 22px rgba(36,155,255,.22)}.main-btn:hover{transform:translateY(-2px)}.mobile-menu-button,.mobile-brand,.mobile-register{display:none}
.page-shell{display:grid;grid-template-columns:190px minmax(0,1fr);gap:26px;padding-top:calc(var(--head) + 30px);padding-bottom:48px}.site-main{min-width:0}.side-channel{position:sticky;top:106px;align-self:start;max-height:calc(100vh - 126px);overflow:auto;padding:16px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.side-channel-title{padding:4px 10px 10px;font-weight:800}.side-channel nav{display:grid;gap:4px}.side-channel a{padding:8px 10px;border-radius:12px;color:var(--muted);font-size:14px}.side-channel a:hover,.side-channel a.active{color:var(--primary);background:rgba(40,156,255,.10);font-weight:700}
.floating-service{position:fixed;right:18px;top:42%;z-index:60;display:grid;gap:8px;width:62px}.floating-service a,.floating-service button{min-height:46px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:13px;background:#fff;color:var(--primary);box-shadow:0 14px 30px rgba(56,92,138,.12);font-weight:700}.floating-service .register-link{background:linear-gradient(180deg,#32D1F6,#249BFF);color:#fff}
.banner-slider{height:clamp(300px,32vw,390px);position:relative;margin:0 0 36px;overflow:hidden;border-radius:22px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12)}.banner-slider .slide{display:none;width:100%;height:100%}.banner-slider .slide.active{display:block}.banner-slider img{display:block;width:100%;height:100%;object-fit:contain;background:#fff}.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}.slider-arrow{position:absolute;top:50%;z-index:3;width:44px;height:44px;transform:translateY(-50%);border:0;border-radius:50%;background:rgba(255,255,255,.88);color:var(--primary);font-size:28px;box-shadow:0 8px 20px rgba(56,92,138,.16)}.slider-arrow.prev{left:14px}.slider-arrow.next{right:14px}.slider-dots{position:absolute;left:50%;bottom:14px;z-index:3;display:flex;gap:8px;transform:translateX(-50%)}.slider-dots button{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:rgba(40,156,255,.24)}.slider-dots button.active{background:var(--primary)}
.section{margin:0 0 34px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-head p{max-width:720px;margin:0;color:var(--muted)}h1,h2,h3,.section-title{color:var(--primary);line-height:1.3}h1{margin:0 0 16px;font-size:clamp(30px,4vw,50px)}h2{margin:0 0 12px;font-size:clamp(24px,3vw,34px)}h3{margin:0 0 10px;font-size:20px}p{margin:0 0 14px}.eyebrow{display:inline-block;margin-bottom:10px;color:#167DD7;font-weight:800;letter-spacing:.08em}.text-link{color:#167DD7;font-weight:700}
.card,.zone-card,.info-card,.review-card,.faq-item,.hero-panel,.notice-panel{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.card,.zone-card,.info-card,.review-card{padding:24px}.hero-panel{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(280px,.88fr);gap:28px;align-items:center;padding:clamp(26px,5vw,54px);margin-bottom:34px;overflow:hidden}.hero-panel.no-image{grid-template-columns:1fr}.hero-copy>p{max-width:760px;color:#4F6174;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:24px}.hero-image{display:flex;align-items:center;justify-content:center;min-height:260px;padding:18px;border-radius:20px;background:linear-gradient(145deg,#F8FCFF,#EDF5FF)}.hero-image img{width:100%;max-height:320px;object-fit:contain}
.split-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}.split-feature.reverse{grid-template-columns:.9fr 1.1fr}.feature-image{display:flex;align-items:center;justify-content:center;min-height:270px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.feature-image img{width:100%;max-height:300px;object-fit:contain}.feature-copy{padding:30px}.quick-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.quick-item{display:block;padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.88)}.quick-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.quick-item strong{display:block;margin-bottom:7px;color:var(--primary)}.quick-item span{display:block;min-height:48px;color:var(--muted);font-size:14px}.quick-item em{color:#167DD7;font-style:normal;font-size:14px;font-weight:700}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.product-matrix{display:grid;grid-template-columns:1.2fr repeat(2,.9fr);gap:18px}.product-matrix .wide{grid-row:span 2}.zone-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.zone-card img,.content-img{width:100%;height:170px;object-fit:contain;margin-bottom:14px;border-radius:14px;background:#F8FBFF}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.step{position:relative;padding:24px 22px 22px 68px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.92);box-shadow:var(--shadow)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:22px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(180deg,#32D1F6,#249BFF);color:#fff;font-weight:800}.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.review-card strong{display:block;margin-bottom:8px;color:#167DD7}.review-card p{color:#526579}
.faq-list{display:grid;gap:12px}.faq-item{overflow:hidden}.faq-item summary{list-style:none;position:relative;padding:18px 52px 18px 22px;cursor:pointer;font-weight:800}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:24px}.faq-item[open] summary:after{content:"−"}.faq-item p{padding:0 22px 20px;color:var(--muted)}.notice-panel{padding:26px;background:linear-gradient(135deg,rgba(255,255,255,.96),rgba(235,246,255,.94))}.notice-panel ul{margin:12px 0 0;padding-left:20px;color:var(--muted)}.cta-panel{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:28px 30px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(135deg,#fff,#EAF6FF);box-shadow:var(--shadow)}.cta-panel p{margin:0;color:var(--muted)}
.compliance-strip{padding:28px 0;background:#DDE4EE}.compliance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.compliance-grid p{margin:8px 0 0;color:#5B6C7C;font-size:14px}.site-footer{padding:46px 0 18px;background:#243447;color:#EAF3FF}.footer-grid{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px}.footer-brand .logo{display:inline-block;padding:8px 12px;margin-bottom:16px;border-radius:14px;background:#fff}.footer-brand p{max-width:460px;color:#BFD0E3}.site-footer h2{color:#fff;font-size:18px}.site-footer a:not(.logo){display:block;margin:7px 0;color:#C9D8E8}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:24px;margin-top:28px;border-top:1px solid rgba(255,255,255,.12);color:#AFC3D8;font-size:13px}
.mobile-drawer{position:fixed;inset:0 auto 0 0;z-index:10000;width:min(84vw,320px);overflow-y:auto;background:#fff;box-shadow:18px 0 50px rgba(36,52,71,.2);transform:translateX(-102%);transition:.24s}.mobile-drawer.open{transform:translateX(0)}.drawer-overlay{position:fixed;inset:0;z-index:9999;background:rgba(20,34,48,.46);opacity:0;transition:.22s}.drawer-overlay.show{opacity:1}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid #E6EDF5}.drawer-logo img{max-height:46px}.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:#EEF5FC;color:var(--primary);font-size:28px}.drawer-nav{display:grid;gap:3px;padding:12px}.drawer-nav a{padding:11px 13px;border-radius:11px;color:var(--muted)}.drawer-nav a.active,.drawer-nav a:hover{background:rgba(40,156,255,.10);color:var(--primary);font-weight:700}.mobile-bottom-nav{display:none}
@media(max-width:1220px){.container{width:min(1180px,calc(100% - 28px))}.page-shell{grid-template-columns:170px minmax(0,1fr);gap:18px}.quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.floating-service{right:8px}}
@media(max-width:980px){:root{--head:68px}.desktop-brand,.nav-core,.header-register,.side-channel,.floating-service{display:none}.header-inner{gap:10px;min-height:var(--head)}.mobile-menu-button{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:11px;border:0;border-radius:12px;background:#EDF5FC}.mobile-menu-button span{width:100%;height:2px;border-radius:99px;background:var(--primary)}.mobile-brand{display:block;position:absolute;left:50%;transform:translateX(-50%)}.mobile-brand img{max-height:45px}.mobile-register{display:inline-flex;min-height:40px;padding:8px 18px;margin-left:auto}.page-shell{display:block;padding-top:calc(var(--head) + 22px)}.hero-panel,.split-feature,.split-feature.reverse{grid-template-columns:1fr}.product-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}.product-matrix .wide{grid-row:auto;grid-column:span 2}.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:22px}}
@media(max-width:720px){body{padding-bottom:calc(70px + env(safe-area-inset-bottom))}.container{width:min(100% - 22px,680px)}.banner-slider{height:clamp(175px,54vw,230px);margin-bottom:24px;border-radius:16px}.slider-arrow{width:36px;height:36px;font-size:23px}.hero-panel{grid-template-columns:1fr;padding:24px 20px;gap:18px}.hero-image{min-height:190px}.hero-image img{max-height:230px}h1{font-size:30px}h2{font-size:25px}.section{margin-bottom:26px}.section-head{display:block}.quick-grid,.grid-2,.grid-3,.zone-row,.product-matrix,.steps,.review-grid,.compliance-grid,.footer-grid{grid-template-columns:1fr}.product-matrix .wide{grid-column:auto}.quick-item span{min-height:0}.feature-copy{padding:24px}.zone-card img,.content-img{height:150px}.cta-panel{display:block}.cta-panel .main-btn{margin-top:18px}.footer-bottom{display:block}.mobile-bottom-nav{position:fixed;left:10px;right:10px;bottom:calc(8px + env(safe-area-inset-bottom));z-index:900;display:grid;grid-template-columns:repeat(4,1fr);padding:7px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 12px 35px rgba(36,52,71,.18)}.mobile-bottom-nav a{text-align:center;padding:8px 3px;border-radius:12px;color:var(--muted);font-size:13px;font-weight:700}.mobile-bottom-nav a.active{color:var(--primary);background:rgba(40,156,255,.10)}}