*{box-sizing:border-box}
:root{--page-bg:#D8F7FF;--body-bg:#F0F3FA;--nav-bg:#EAFBFF;--soft-bg:#F5FDFF;--white:#FFFFFF;--primary:#27A9E8;--primary-dark:#168BD0;--nav-text:#167BB8;--text:#1D2B36;--muted:#5D7280;--light:#8194A0;--footer:#063B5C;--footer-text:#EAFBFF;--border:rgba(39,169,232,.22);--shadow:0 14px 36px rgba(16,126,180,.14);--btn:linear-gradient(180deg,#52C8FF 0%,#27A9E8 55%,#168BD0 100%)}
html{scroll-behavior:smooth}
body{margin:0;background:#F0F3FA;color:#1D2B36;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:#27A9E8;text-decoration:none}p{margin:0 0 14px}img{max-width:100%;height:auto;display:block}
.site-header{position:sticky;top:0;z-index:9999;background:#EAFBFF;backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(16,126,180,.14)}
.header-inner{max-width:1240px;margin:0 auto;min-height:76px;padding:0 22px;display:flex;align-items:center;gap:18px}
.brand-logo img{width:152px;max-height:52px;object-fit:contain}.nav{flex:1;display:flex;align-items:center;justify-content:center;gap:4px}
.nav a{color:#167BB8;font-weight:700;font-size:15px;padding:12px 11px;border-radius:14px;transition:all .22s ease;white-space:nowrap}
.nav a:hover,.nav a.active{color:#27A9E8;background:linear-gradient(180deg,rgba(39,169,232,.14),rgba(39,169,232,.04));box-shadow:inset 0 -2px 0 #27A9E8,0 10px 22px rgba(39,169,232,.16)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 23px;border-radius:999px;background:var(--btn);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(39,169,232,.28);border:0;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.main-btn:hover{background:linear-gradient(180deg,#63D2FF 0%,#1597D8 100%);transform:translateY(-1px);box-shadow:0 14px 28px rgba(39,169,232,.32);color:#fff}.header-btn{flex:0 0 auto}
.mobile-top{display:none;height:68px;padding:0 14px;align-items:center;justify-content:space-between}.menu-toggle{width:42px;height:42px;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;border:1px solid rgba(39,169,232,.24);border-radius:14px;background:#F5FDFF;box-shadow:0 10px 20px rgba(16,126,180,.12)}
.menu-toggle span{width:20px;height:2px;margin:0 auto;background:#167BB8;border-radius:4px}.mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}.mobile-logo img{width:128px;max-height:46px}.mobile-register{min-height:38px;padding:0 17px}
.drawer-mask{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:10000;opacity:0;visibility:hidden;transition:all .25s ease}.mobile-drawer{position:fixed;left:0;top:0;width:min(84vw,320px);height:100vh;background:#F5FDFF;z-index:10001;transform:translateX(-105%);transition:transform .28s ease;box-shadow:16px 0 32px rgba(0,0,0,.16);padding:18px;overflow-y:auto}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(39,169,232,.16)}.drawer-logo img{width:136px;max-height:48px;object-fit:contain}.drawer-close{width:38px;height:38px;border:0;border-radius:50%;font-size:26px;line-height:38px;color:#167BB8;background:#EAFBFF}.drawer-nav{display:grid;gap:9px;padding-top:16px}.drawer-nav a{color:#167BB8;background:rgba(255,255,255,.74);border:1px solid rgba(39,169,232,.16);padding:13px 15px;border-radius:14px;font-weight:800}.drawer-nav a.active{color:#27A9E8;box-shadow:inset 3px 0 0 #27A9E8}
.site-main{background:#D8F7FF;min-height:60vh;padding-bottom:48px}.container{max-width:1200px;margin:0 auto;padding:0 22px}
.banner-slider{max-width:1200px;margin:28px auto 36px;border-radius:22px;background:#F5FDFF;box-shadow:0 18px 40px rgba(16,126,180,.14);overflow:hidden;position:relative;height:clamp(260px,46vw,520px)}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .55s ease}.slide.active{opacity:1;pointer-events:auto}.banner-slider img{width:100%;height:100%;object-fit:contain;background:#F5FDFF}.slide-copy{position:absolute;left:34px;bottom:34px;max-width:460px;padding:22px;border-radius:20px;background:rgba(245,253,255,.88);border:1px solid rgba(39,169,232,.2);box-shadow:0 14px 30px rgba(16,126,180,.16)}.slide-copy h1,.slide-copy h2{margin:0 0 8px;color:#27A9E8;font-size:clamp(26px,4vw,44px);line-height:1.18}.slide-copy p{color:#1D2B36;margin-bottom:0}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;color:#fff;background:var(--btn);box-shadow:0 10px 24px rgba(39,169,232,.28);font-size:30px;cursor:pointer}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}.slider-dots{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:9px}.slider-dots button{width:11px;height:11px;padding:0;border:0;border-radius:50%;background:rgba(22,123,184,.28);cursor:pointer}.slider-dots button.active{width:28px;border-radius:999px;background:#27A9E8}
.section{padding:42px 0}.section-head{max-width:820px;margin-bottom:24px}.section-kicker{color:#27A9E8;font-weight:900;letter-spacing:.06em;margin-bottom:8px}h1,h2,h3,.section-title{color:#27A9E8}h1{font-size:clamp(32px,5vw,52px);line-height:1.15;margin:0 0 18px}h2,.section-title{font-size:clamp(25px,3vw,38px);line-height:1.22;margin:0 0 13px}h3{font-size:21px;line-height:1.3;margin:0 0 10px}.lead{color:#5D7280;font-size:18px}.muted{color:#5D7280}.note{color:#8194A0;font-size:14px}
.card,.zone-card,.info-card,.review-card,.faq-card,.notice-card,.hero-card{background:rgba(255,255,255,.88);border:1px solid rgba(39,169,232,.22);box-shadow:0 14px 36px rgba(16,126,180,.12);border-radius:22px}.card,.info-card,.review-card,.faq-card,.notice-card{padding:24px}.hero-grid,.two-col,.app-layout,.security-layout{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(280px,.92fr);gap:28px;align-items:center}.hero-card{padding:30px}.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px}.tag{display:inline-flex;align-items:center;min-height:34px;padding:0 13px;color:#27A9E8;background:rgba(39,169,232,.1);border:1px solid rgba(39,169,232,.18);border-radius:999px;font-weight:800}.media-frame{border-radius:24px;padding:16px;background:#F5FDFF;border:1px solid rgba(39,169,232,.2);box-shadow:0 14px 34px rgba(16,126,180,.12)}.content-img,.zone-card img,.app-section img{width:100%;max-height:360px;object-fit:contain;background:#F5FDFF;border-radius:18px}
.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.quick-card,.product-card{min-height:100%}.text-link{display:inline-flex;align-items:center;gap:6px;color:#27A9E8;font-weight:900}.text-link::after{content:"›";font-size:20px;line-height:1}.zone-card{overflow:hidden}.zone-card .zone-body{padding:22px}.step-list{display:grid;gap:16px}.step-item{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start}.step-no{width:44px;height:44px;border-radius:14px;background:rgba(39,169,232,.12);color:#27A9E8;display:inline-flex;align-items:center;justify-content:center;font-weight:900}.review-card p{color:#5D7280}.review-user{color:#27A9E8;font-weight:900;margin-bottom:8px}.notice-strip{background:#063B5C;color:#EAFBFF;border-radius:24px;padding:28px;box-shadow:0 16px 34px rgba(6,59,92,.18)}.notice-strip h2,.notice-strip h3{color:#EAFBFF}.notice-grid{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}.notice-mini{background:rgba(234,251,255,.08);border:1px solid rgba(234,251,255,.16);border-radius:18px;padding:16px}.sub-hero{padding:54px 0 34px}.sub-hero .hero-card{background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(245,253,255,.86))}.breadcrumb{color:#27A9E8;font-weight:900;margin-bottom:10px}.faq-list{display:grid;gap:16px}.faq-card h3{margin-bottom:8px}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill{color:#167BB8;background:#EAFBFF;border:1px solid rgba(39,169,232,.18);border-radius:999px;padding:8px 12px;font-weight:800}.contact-box{display:grid;gap:14px}.contact-line{padding:16px;border-radius:16px;background:#F5FDFF;border:1px solid rgba(39,169,232,.18)}
.site-footer{background:#063B5C;color:#EAFBFF}.footer-inner{max-width:1200px;margin:0 auto;padding:44px 22px 28px;display:grid;grid-template-columns:1.35fr .78fr .78fr 1.05fr;gap:26px}.footer-brand img{width:150px;max-height:52px;object-fit:contain;margin-bottom:14px}.footer-brand p,.footer-notice p{color:rgba(234,251,255,.82)}.footer-links{display:grid;align-content:start;gap:8px}.footer-links h3,.footer-notice h3{color:#EAFBFF;margin-bottom:8px}.footer-links a{color:rgba(234,251,255,.86)}.copyright{max-width:1200px;margin:0 auto;padding:18px 22px 24px;border-top:1px solid rgba(234,251,255,.12);color:rgba(234,251,255,.72);font-size:14px}
@media(max-width:1100px){.nav a{padding:11px 8px;font-size:14px}}@media(max-width:980px){.desktop-header{display:none}.mobile-top{display:flex}.hero-grid,.two-col,.app-layout,.security-layout{grid-template-columns:1fr}.grid-4,.grid-3,.notice-grid,.footer-inner{grid-template-columns:repeat(2,minmax(0,1fr))}.slide-copy{left:18px;right:18px;bottom:42px;max-width:none}.banner-slider{margin-top:18px;height:clamp(310px,82vw,520px)}}@media(max-width:640px){.container{padding:0 16px}.section{padding:32px 0}.grid-4,.grid-3,.grid-2,.notice-grid,.footer-inner{grid-template-columns:1fr}.slide-copy{padding:16px}.slider-arrow{width:38px;height:38px;font-size:24px}.card,.info-card,.review-card,.faq-card,.notice-card,.hero-card{padding:20px}.content-img,.zone-card img,.app-section img{max-height:300px}}