:root{--bg:#F1F6FE;--surface:#FFFFFF;--surface-soft:#F5F8FE;--primary:#4A9FF2;--primary-hover:#3F94EC;--text:#66769F;--muted:#8794B5;--soft:#B8C3DC;--border:#E4EAF5;--shadow:0 10px 28px rgba(65,115,180,.10);--radius:16px;--container:1220px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
html.menu-open,body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{cursor:pointer}
.skip-link{position:fixed;left:12px;top:-60px;background:#fff;color:var(--primary);padding:10px 16px;border-radius:10px;z-index:20000;box-shadow:var(--shadow)}
.skip-link:focus{top:12px}
.container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(228,234,245,.9)}
.header-inner{height:72px;width:min(calc(100% - 40px),var(--container));margin:0 auto;display:flex;align-items:center;gap:24px;white-space:nowrap}
.desktop-logo-wrap{display:flex;align-items:center;flex:0 0 auto}
.brand-logo img,.mobile-brand-logo img,.drawer-logo img,.footer-logo img{width:auto;height:38px;object-fit:contain}
.desktop-nav{display:flex;align-items:center;gap:6px;flex:1;min-width:0;justify-content:center}
.desktop-nav>a,.more-toggle{position:relative;padding:22px 12px 20px;border:0;background:transparent;color:var(--text);font-weight:600;line-height:1;min-height:44px}
.desktop-nav>a:hover,.desktop-nav>a:focus-visible,.more-toggle:hover,.more-toggle:focus-visible{color:var(--primary-hover);outline:none}
.desktop-nav>a.active,.more-menu:has(.more-panel a.active)>.more-toggle{color:var(--primary)}
.desktop-nav>a.active::after,.more-menu:has(.more-panel a.active)>.more-toggle::after{content:"";position:absolute;left:12px;right:12px;bottom:12px;height:2px;border-radius:10px;background:var(--primary)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 20px;border-radius:10px;background:linear-gradient(135deg,#67B5FA 0%,#4A9FF2 55%,#3F94EC 100%);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(74,159,242,.18);transition:.2s ease}
.main-btn:hover,.main-btn:focus-visible{transform:translateY(-1px);box-shadow:0 10px 24px rgba(74,159,242,.24);outline:2px solid rgba(74,159,242,.2);outline-offset:2px}
.header-cta{flex:0 0 auto}
.more-menu{position:relative}
.more-panel{position:absolute;top:calc(100% - 2px);left:50%;transform:translate(-58%,8px);width:470px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,transform .18s ease;z-index:10020;white-space:normal}
.more-menu.open .more-panel{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-58%,0)}
.more-panel a{padding:11px 12px;border-radius:9px;color:var(--text);font-size:14px}
.more-panel a:hover,.more-panel a:focus-visible,.more-panel a.active{background:#F1F7FE;color:var(--primary-hover);outline:none}
.mobile-menu-btn,.mobile-brand-logo{display:none}
.drawer-mask{position:fixed;inset:0;background:rgba(46,67,99,.25);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease;z-index:12000}
.drawer-mask.show{opacity:1;visibility:visible;pointer-events:auto}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:82%;max-width:320px;background:#fff;transform:translateX(-104%);transition:transform .24s ease;z-index:13000;box-shadow:18px 0 40px rgba(54,92,143,.16);overflow-y:auto;overscroll-behavior:contain}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}
.drawer-close{width:42px;height:42px;border:0;background:#F2F7FD;border-radius:10px;color:var(--text);font-size:26px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;padding:12px}
.drawer-nav a{padding:12px 14px;border-radius:10px;color:var(--text);font-weight:600}
.drawer-nav a:hover,.drawer-nav a:focus-visible,.drawer-nav a.active{background:#F1F7FE;color:var(--primary);outline:none}
.floating-service{position:fixed;right:18px;top:42%;z-index:1500;width:64px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.floating-service a,.floating-service button{display:flex;align-items:center;justify-content:center;width:100%;height:50px;border:0;border-bottom:1px solid var(--border);background:#fff;color:var(--text);font-size:13px}
.floating-service>*:last-child{border-bottom:0}
.floating-service a:hover,.floating-service button:hover,.floating-service a:focus-visible,.floating-service button:focus-visible{color:var(--primary);background:#F7FAFF;outline:none}
.mobile-bottom-nav{display:none}
main{display:block}
.section{padding:72px 0}
.section-tight{padding:48px 0}
.section-white{background:#fff}
.section-soft{background:var(--surface-soft)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:14px;letter-spacing:.04em;margin-bottom:10px}
.eyebrow::before{content:"";width:24px;height:3px;border-radius:99px;background:var(--primary)}
h1,h2,h3{color:#445579;line-height:1.35;margin-top:0}
h1{font-size:clamp(30px,4vw,48px);margin-bottom:20px}
h2{font-size:clamp(24px,3vw,34px);margin-bottom:16px}
h3{font-size:20px;margin-bottom:10px}
p{margin:0 0 16px}
.lead{font-size:18px;line-height:1.85;color:#7080A7}
.muted{color:var(--muted)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.hero-carousel{position:relative;width:100%;overflow:hidden;background:#EDF5FD;touch-action:pan-y pinch-zoom}
.carousel-track{position:relative;width:100%}
.carousel-slide{display:none;width:100%}
.carousel-slide.active{display:block}
.carousel-slide img{width:100%;height:auto;object-fit:contain;object-position:center}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:1px solid rgba(255,255,255,.75);border-radius:50%;background:rgba(255,255,255,.82);color:#4A72A0;font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(57,96,140,.12);z-index:5}
.carousel-arrow:hover,.carousel-arrow:focus-visible{background:#fff;color:var(--primary);outline:2px solid rgba(74,159,242,.2)}
.carousel-prev{left:24px}.carousel-next{right:24px}
.carousel-dots{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;gap:9px;z-index:5}
.carousel-dot{width:10px;height:10px;border-radius:50%;border:1px solid rgba(255,255,255,.95);background:rgba(255,255,255,.55);padding:0}
.carousel-dot.active{background:var(--primary);border-color:#fff;box-shadow:0 0 0 2px rgba(74,159,242,.14)}
.brand-intro{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.tag{padding:7px 12px;border:1px solid #DDEAF8;background:#F8FBFF;border-radius:999px;color:#6E83A7;font-size:14px}
.intro-panel{background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.intro-panel ul,.feature-list,.clean-list{padding:0;margin:0;list-style:none}
.intro-panel li,.feature-list li{position:relative;padding:11px 0 11px 24px;border-bottom:1px solid #EEF2F8}
.intro-panel li:last-child,.feature-list li:last-child{border-bottom:0}
.intro-panel li::before,.feature-list li::before{content:"";position:absolute;left:2px;top:20px;width:8px;height:8px;border-radius:50%;background:#87BDF0}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.quick-item{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;min-height:138px;transition:.2s ease}
.quick-item:nth-child(even){background:#F9FBFF}
.quick-item:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.quick-item a{color:var(--primary);font-weight:700;font-size:14px}
.media-split{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.media-split.reverse{grid-template-columns:.95fr 1.05fr}
.media-split img,.feature-image{width:100%;height:auto;object-fit:contain;border-radius:16px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow)}
.media-copy{max-width:620px}
.info-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}
.info-point{padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:12px;color:#6D7EA3;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700}
.text-link:hover,.text-link:focus-visible{color:var(--primary-hover);text-decoration:underline;outline:none}
.editorial-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.editorial-card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(74,111,163,.07)}
.editorial-card img{width:100%;height:auto;object-fit:contain;background:#F7FAFF}
.editorial-card .copy{padding:24px}
.editorial-card.compact{display:grid;grid-template-columns:1fr 1fr;align-items:center}
.editorial-card.compact .copy{padding:22px}
.dual-block{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.dual-panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px}
.dual-panel img{width:100%;height:auto;object-fit:contain;border-radius:12px;margin-bottom:18px;background:#F7FAFF}
.service-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.service-strip div{background:#fff;padding:20px}
.service-strip strong{display:block;color:#4D638B;margin-bottom:6px}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.review{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:0 8px 20px rgba(65,115,180,.06)}
.review::before{content:"“";display:block;color:#9EC9F2;font-size:34px;line-height:1;margin-bottom:8px}
.faq-list{display:grid;gap:12px}
details.faq-item{background:#fff;border:1px solid var(--border);border-radius:13px;padding:0 18px}
details.faq-item summary{list-style:none;cursor:pointer;padding:17px 34px 17px 0;font-weight:700;color:#52688F;position:relative}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";position:absolute;right:2px;top:15px;color:var(--primary);font-size:22px;font-weight:500}
details.faq-item[open] summary::after{content:"−"}
details.faq-item p{padding:0 0 18px;margin:0;color:#7585A8}
.compliance-box{background:#ECF5FE;border:1px solid #D7E8F8;border-radius:16px;padding:24px 26px;color:#687C9F}
.page-hero{padding:64px 0 42px;background:linear-gradient(180deg,#F8FBFF 0%,#F1F6FE 100%)}
.page-hero .inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.page-hero.no-image .inner{display:block;max-width:860px}
.page-hero img{width:100%;height:auto;object-fit:contain;border-radius:16px;border:1px solid var(--border);background:#fff;box-shadow:var(--shadow)}
.content-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.content-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px}
.content-card:nth-child(2n){background:#F9FBFF}
.guide-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:start}
.guide-nav{position:sticky;top:96px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px}
.guide-nav a{display:block;padding:10px 12px;border-radius:8px;color:#7181A4}
.guide-nav a:hover{background:#F3F8FE;color:var(--primary)}
.timeline{position:relative;padding-left:24px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:#DDEAF7}
.timeline-item{position:relative;padding:0 0 24px 18px}
.timeline-item::before{content:"";position:absolute;left:-22px;top:7px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px #E9F4FE}
.horizontal-list{display:grid;gap:12px}
.horizontal-list .row{display:grid;grid-template-columns:180px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px}
.site-footer{background:#EAF3FD;border-top:1px solid #DDE9F6;padding-top:48px;color:#66769F}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr 1fr;gap:34px}
.footer-brand p{max-width:500px;margin-top:18px}
.site-footer h2{font-size:16px;color:#52698F;margin-bottom:12px}
.site-footer section>a{display:block;padding:5px 0;color:#6E80A1}
.site-footer section>a:hover,.site-footer section>a:focus-visible{color:var(--primary);outline:none}
.footer-bottom{margin-top:38px;padding:18px 20px;border-top:1px solid #D9E6F3;text-align:center;color:#8391AE;font-size:14px;background:rgba(255,255,255,.35)}
@media (max-width:1100px){.header-inner{gap:14px}.desktop-nav>a,.more-toggle{padding-left:9px;padding-right:9px}.floating-service{display:none}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-note{grid-column:1/-1}}
@media (max-width:900px){.quick-grid{grid-template-columns:repeat(2,1fr)}.review-grid,.content-grid-3{grid-template-columns:repeat(2,1fr)}.service-strip{grid-template-columns:repeat(2,1fr)}.editorial-card.compact{grid-template-columns:1fr}.page-hero .inner,.media-split,.media-split.reverse,.brand-intro{grid-template-columns:1fr}.page-hero img{max-width:760px}.guide-layout{grid-template-columns:1fr}.guide-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media (max-width:767px){
  html,body{overflow-x:hidden;overflow-y:auto}
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom))}
  .container{width:min(calc(100% - 28px),var(--container))}
  .header-inner{width:100%;height:64px;padding:0 12px;justify-content:space-between;gap:10px}
  .desktop-logo-wrap,.desktop-nav{display:none}
  .mobile-menu-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:42px;height:42px;border:0;border-radius:10px;background:#F4F8FD;padding:0;flex:0 0 42px}
  .mobile-menu-btn span{display:block;width:20px;height:2px;background:#6980A5;border-radius:2px}
  .mobile-brand-logo{display:flex;align-items:center;justify-content:center;min-width:0;flex:1}
  .mobile-brand-logo img{height:34px;max-width:150px}
  .header-cta{min-height:40px;padding:0 15px;flex:0 0 auto}
  .mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(62px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr);z-index:11000;box-shadow:0 -8px 20px rgba(65,115,180,.07)}
  .mobile-bottom-nav a{display:flex;min-height:56px;align-items:center;justify-content:center;flex-direction:column;gap:2px;color:#8593AF;font-size:11px}
  .mobile-bottom-nav a span{font-size:14px;font-weight:700;line-height:1}.mobile-bottom-nav a em{font-style:normal}
  .mobile-bottom-nav a.active{color:var(--primary)}
  .floating-service{display:none}
  .section{padding:52px 0}.section-tight{padding:38px 0}
  h1{font-size:30px}h2{font-size:25px}.lead{font-size:16px}
  .carousel-arrow{width:40px;height:40px;font-size:22px}.carousel-prev{left:10px}.carousel-next{right:10px}.carousel-dots{bottom:10px}
  .quick-grid{display:flex;overflow-x:auto;gap:12px;padding-bottom:6px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}.quick-item{min-width:76%;scroll-snap-align:start}
  .media-split,.media-split.reverse,.editorial-grid,.dual-block,.review-grid,.content-grid-3,.contact-grid{grid-template-columns:1fr}
  .info-points{grid-template-columns:1fr}.service-strip{grid-template-columns:1fr}
  .horizontal-list .row{grid-template-columns:1fr;gap:8px}
  .page-hero{padding:42px 0 28px}.page-hero .inner{gap:24px}
  .footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-note{grid-column:auto}
  .site-footer{padding-top:38px}.footer-bottom{margin-top:28px}
}
@media (max-width:380px){.header-cta{padding:0 12px}.mobile-brand-logo img{height:30px;max-width:125px}.quick-item{min-width:86%}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}