*{box-sizing:border-box}
:root{
  --bg:#E6EBF2;--surface:#FFFFFF;--surface-soft:#F5F7FB;--surface-alt:#EEF2F7;--surface-deep:#DDE4EE;
  --primary:#289CFF;--primary-dark:#1E90F0;--text:#243447;--muted:#66788A;--hint:#8A9AAF;
  --nav:#4E5F7A;--border:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12);
  --radius:22px;--header-height:76px;
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK 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%;display:block}
button,input,textarea{font:inherit}
.container{width:min(1200px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(245,247,251,.96);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(--header-height)}
.logo{flex:0 0 auto;display:inline-flex;align-items:center}
.logo img{max-height:52px;width:auto}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:20px;white-space:nowrap;flex-wrap:nowrap}
.nav>a,.dropdown-trigger{position:relative;display:inline-flex;align-items:center;gap:5px;padding:25px 0 23px;border:0;background:transparent;color:var(--nav);font-weight:700;cursor:pointer}
.nav>a::after,.dropdown-trigger::after{content:"";position:absolute;left:50%;right:50%;bottom:15px;height:3px;border-radius:999px;background:var(--primary);transition:.2s ease}
.nav>a:hover,.nav>a.active,.dropdown-trigger:hover,.active-parent>.dropdown-trigger{color:var(--primary)}
.nav>a:hover::after,.nav>a.active::after,.active-parent>.dropdown-trigger::after{left:0;right:0}
.header-action{flex:0 0 auto;display:flex;align-items:center}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 24px;border-radius:999px;background:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);color:#fff!important;font-weight:800;box-shadow:0 10px 24px rgba(36,155,255,.25);transition:transform .2s ease,filter .2s ease}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.dropdown{position:relative}
.dropdown-menu{position:absolute;top:calc(100% - 8px);left:-18px;min-width:190px;padding:8px;background:#fff;border:1px solid rgba(40,156,255,.12);border-radius:14px;box-shadow:0 18px 38px rgba(56,92,138,.16);z-index:10000;opacity:0;visibility:hidden;transform:translateY(10px);transition:.18s ease}
.dropdown-menu-right{left:auto;right:-16px}
.dropdown:hover>.dropdown-menu,.dropdown.open>.dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{display:block;padding:10px 13px;color:var(--nav);white-space:nowrap;border-radius:9px}
.dropdown-menu a:hover,.dropdown-menu a.active{color:var(--primary);background:rgba(40,156,255,.08)}
.mobile-menu-btn,.mobile-logo-wrap{display:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(21,38,58,.48);z-index:11000}
.mobile-drawer{position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:11001;transform:translateX(-102%);transition:transform .28s ease;box-shadow:20px 0 50px rgba(20,48,78,.18);overflow-y:auto}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:74px;padding:10px 18px;border-bottom:1px solid var(--border)}
.drawer-logo img{max-height:44px;width:auto}
.drawer-close{width:42px;height:42px;border:0;border-radius:50%;background:var(--surface-alt);color:var(--nav);font-size:30px;line-height:1;cursor:pointer}
.drawer-nav{display:grid;padding:12px 16px 28px}
.drawer-nav a{padding:12px 10px;color:var(--nav);font-weight:700;border-bottom:1px solid rgba(78,95,122,.08)}
.drawer-nav a:hover{color:var(--primary);background:rgba(40,156,255,.06)}

main{min-height:60vh}
.page-hero{padding:54px 0 26px}
.hero-panel{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:38px;align-items:center;padding:48px;border:1px solid var(--border);border-radius:30px;background:linear-gradient(145deg,rgba(255,255,255,.95),rgba(238,242,247,.92));box-shadow:var(--shadow)}
.hero-panel.no-image{grid-template-columns:1fr}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:10px;color:var(--primary);font-size:.92rem;font-weight:800;letter-spacing:.08em}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--primary);border-radius:999px}
h1,h2,h3,.section-title{color:var(--primary);line-height:1.3;margin-top:0}
h1{font-size:clamp(2rem,4vw,3.45rem);margin-bottom:18px}
h2{font-size:clamp(1.5rem,2.6vw,2.25rem);margin-bottom:16px}
h3{font-size:1.15rem;margin-bottom:10px}
p{margin:0 0 16px}.lead{font-size:1.08rem;color:var(--muted);max-width:760px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-meta span,.tag{padding:7px 12px;border-radius:999px;background:rgba(40,156,255,.09);color:var(--primary);font-size:.9rem;font-weight:700}
.hero-image{border-radius:22px;background:#fff;padding:14px;box-shadow:0 12px 30px rgba(56,92,138,.12);overflow:hidden}
.hero-image img,.content-img{width:100%;height:auto;object-fit:contain}
.section{padding:40px 0}.section.compact{padding:24px 0}.section-head{max-width:800px;margin-bottom:24px}.section-head p{color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-item{background:rgba(255,255,255,.92);border:1px solid var(--border);box-shadow:0 14px 36px rgba(56,92,138,.10);border-radius:20px}
.card,.info-card,.review-card{padding:24px}
.card p,.info-card p,.review-card p{color:var(--muted)}
.card-number{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:12px;background:rgba(40,156,255,.10);color:var(--primary);font-weight:900;margin-bottom:16px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:800;margin-top:4px}
.text-link::after{content:"→";transition:transform .2s ease}.text-link:hover::after{transform:translateX(3px)}
.split-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.9fr);gap:28px;align-items:center;padding:34px;border-radius:26px;background:rgba(255,255,255,.72);border:1px solid var(--border)}
.split-section.reverse .split-content{order:2}.split-section.reverse .split-media{order:1}
.split-media{background:#fff;border-radius:20px;padding:14px;box-shadow:0 12px 30px rgba(56,92,138,.10)}
.check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.check-list li{position:relative;padding-left:28px;color:var(--muted)}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:900}
.notice-panel{padding:28px;border-radius:22px;background:linear-gradient(135deg,#DDE4EE,#F5F7FB);border:1px solid var(--border)}
.notice-panel strong{color:var(--primary)}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card{position:relative;padding-top:34px}
.review-card::before{content:"“";position:absolute;left:20px;top:4px;color:rgba(40,156,255,.28);font-size:3.2rem;font-weight:900;line-height:1}
.review-card cite{display:block;margin-top:14px;color:var(--hint);font-style:normal;font-size:.9rem}
.faq-list{display:grid;gap:14px}
.faq-item{padding:0;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 52px 20px 22px;color:var(--text);font-weight:800;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:1.5rem}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 22px 20px;color:var(--muted)}
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px;border-radius:24px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}
.cta-panel p{color:var(--muted);margin:0}.cta-panel h2{margin-bottom:8px}

.banner-slider{width:min(1200px,calc(100% - 40px));margin:28px auto 36px;border-radius:20px;background:#fff;box-shadow:0 18px 40px rgba(56,92,138,.12);overflow:hidden;position:relative;aspect-ratio:16/5.7;min-height:220px}
.slides{position:relative;width:100%;height:100%}.slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .55s ease}.slide.active{opacity:1;visibility:visible}
.banner-slider img{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%;transform:translateY(-50%);z-index:4;width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.88);color:var(--primary);box-shadow:0 8px 20px rgba(35,74,112,.18);font-size:28px;cursor:pointer}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}.slider-arrow:hover{background:#fff}
.slider-dots{position:absolute;left:50%;bottom:14px;z-index:4;display:flex;gap:8px;transform:translateX(-50%)}
.slider-dot{width:9px;height:9px;border:0;border-radius:50%;background:rgba(36,52,71,.28);padding:0;cursor:pointer}.slider-dot.active{width:24px;border-radius:999px;background:var(--primary)}
.home-welcome{padding:18px 0 38px}.welcome-panel{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;padding:38px;border-radius:28px;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow)}
.welcome-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px}
.image-card{padding:14px;border-radius:22px;background:var(--surface-alt)}
.product-entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.entry-card{padding:22px;border-radius:18px;background:rgba(255,255,255,.9);border:1px solid var(--border);transition:.2s ease}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.entry-card p{color:var(--muted);font-size:.95rem}
.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.zone-card{overflow:hidden}.zone-card img{width:100%;height:210px;object-fit:contain;background:#fff;padding:12px}.zone-card-body{padding:22px}.zone-card-body p{color:var(--muted)}
.steps{counter-reset:steps;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step{counter-increment:steps;padding:24px;border-radius:20px;background:#fff;border:1px solid var(--border)}.step::before{content:counter(steps,decimal-leading-zero);display:block;color:var(--primary);font-size:1.6rem;font-weight:900;margin-bottom:10px}

.site-footer{margin-top:54px;background:#243447;color:#EAF3FF;padding:48px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:42px}.footer-logo{display:inline-block;margin-bottom:16px}.footer-logo img{max-height:50px;width:auto}.footer-brand p{color:#C8D8EA;max-width:580px}
.footer-links{display:grid;align-content:start;gap:8px}.footer-links h2{color:#fff;font-size:1.05rem;margin-bottom:8px}.footer-links a{color:#C8D8EA}.footer-links a:hover{color:#fff}
.compliance-box{margin-top:30px;padding:18px 20px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(234,243,255,.13)}.compliance-box strong{color:#fff}.compliance-box p{margin:6px 0 0;color:#C8D8EA;font-size:.94rem}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:24px;padding-top:18px;border-top:1px solid rgba(234,243,255,.12);color:#AFC2D7;font-size:.9rem}

@media(max-width:1080px){
  .nav{gap:15px}.nav>a,.dropdown-trigger{font-size:.94rem}.header-inner{gap:16px}.logo img{max-height:46px}.header-register{padding-inline:20px}
  .card-grid.four,.product-entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.media-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:860px){
  :root{--header-height:68px}.container{width:min(100% - 28px,1200px)}
  .desktop-logo,.nav-wrap{display:none}.mobile-menu-btn,.mobile-logo-wrap{display:flex}.header-inner{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;min-height:var(--header-height)}
  .mobile-menu-btn{justify-self:start;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--surface-alt);cursor:pointer}.mobile-menu-btn span{display:block;width:22px;height:2px;background:var(--nav);border-radius:2px}
  .mobile-logo-wrap{justify-content:center}.mobile-logo img{max-height:42px}.header-action{justify-self:end}.header-register{min-height:40px;padding:8px 17px;font-size:.92rem}
  .hero-panel,.welcome-panel,.split-section{grid-template-columns:1fr}.hero-panel{padding:32px}.split-section.reverse .split-content,.split-section.reverse .split-media{order:initial}
  .card-grid,.review-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}
  .banner-slider{width:calc(100% - 28px);aspect-ratio:16/7.5;min-height:180px}
}
@media(max-width:600px){
  .page-hero{padding:30px 0 16px}.hero-panel{padding:24px;border-radius:22px}.hero-meta{gap:7px}.hero-meta span{font-size:.82rem;padding:6px 10px}
  .section{padding:28px 0}.card-grid,.card-grid.two,.card-grid.four,.product-entry-grid,.media-grid,.review-grid,.steps{grid-template-columns:1fr}.card,.info-card,.review-card{padding:20px}
  .split-section{padding:22px}.cta-panel{align-items:flex-start;flex-direction:column;padding:24px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column;gap:4px}
  .banner-slider{aspect-ratio:16/9;min-height:170px;margin-top:18px}.slider-arrow{width:38px;height:38px;font-size:24px}.slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}
  .welcome-panel{padding:24px}.zone-card img{height:auto}.section-head{margin-bottom:18px}
}