:root{
  --bg:#F1F6FE;--surface:#FFFFFF;--surface-2:#F5F8FE;--brand:#4A9FF2;--brand-hover:#3F94EC;
  --text:#66769F;--muted:#8794B5;--soft:#B8C3DC;--border:#E4EAF5;--shadow:0 10px 28px rgba(65,115,180,.10);
  --title:#30476F;--radius:16px;--max:1220px;
}
*{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;font-size:16px;line-height:1.75;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,textarea{font:inherit}
button{color:inherit}
:focus-visible{outline:3px solid rgba(74,159,242,.28);outline-offset:3px}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.section{padding:72px 0}
.section.compact{padding:48px 0}
.section.white{background:var(--surface)}
.section.soft{background:var(--surface-2)}
.section-title{margin:0 0 14px;color:var(--title);font-size:clamp(27px,3vw,40px);line-height:1.25}
.section-lead{max-width:780px;margin:0;color:var(--text)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.04em}
.eyebrow:before{content:"";width:24px;height:3px;border-radius:999px;background:var(--brand)}
.text-link{color:var(--brand);font-weight:700}.text-link:hover{color:var(--brand-hover)}
.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:9px 22px;border-radius:10px;background:linear-gradient(135deg,#64B4FA,#4A9FF2);color:#fff;font-weight:800;box-shadow:0 7px 18px rgba(74,159,242,.18);white-space:nowrap}
.main-btn:hover{background:linear-gradient(135deg,#55A9F4,#3F94EC)}
.site-header{position:sticky;top:0;z-index:9999;height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(228,234,245,.9);backdrop-filter:blur(12px)}
.header-inner{width:min(calc(100% - 40px),var(--max));height:100%;margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:30px}
.brand-logo img,.footer-logo img,.drawer-logo img{width:auto;height:42px;object-fit:contain}
.desktop-nav{display:flex;align-items:center;justify-content:center;gap:26px;min-width:0;white-space:nowrap}
.desktop-nav>a,.more-toggle{position:relative;border:0;background:none;padding:23px 0 20px;color:var(--text);font-weight:700;cursor:pointer}
.desktop-nav>a:after,.more-toggle:after{content:"";position:absolute;left:50%;bottom:13px;width:0;height:3px;border-radius:99px;background:var(--brand);transform:translateX(-50%);transition:.2s}
.desktop-nav>a:hover,.desktop-nav>a.active,.more-toggle:hover,.more-toggle.active{color:var(--brand-hover)}
.desktop-nav>a.active:after,.more-toggle.active:after{width:22px}
.more-wrap{position:relative}
.more-menu{position:absolute;top:calc(100% - 7px);left:50%;transform:translateX(-50%) translateY(8px);width:390px;padding:12px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(3,1fr);gap:5px;opacity:0;visibility:hidden;pointer-events:none;transition:.18s;z-index:10020}
.more-wrap.open .more-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.more-menu a{padding:10px 11px;border-radius:9px;color:var(--text);font-size:14px;text-align:center}
.more-menu a:hover,.more-menu a.active{background:#F1F7FE;color:var(--brand-hover)}
.header-cta{justify-self:end}
.mobile-menu-btn{display:none;width:40px;height:40px;border:0;background:transparent;padding:8px;cursor:pointer}
.mobile-menu-btn span{display:block;width:22px;height:2px;margin:5px auto;background:#587096;border-radius:4px}
.drawer-overlay{position:fixed;inset:0;background:rgba(46,66,100,.28);opacity:0;transition:.18s;z-index:10030}.drawer-overlay.show{opacity:1}
.mobile-drawer{position:fixed;inset:0 auto 0 0;width:82%;max-width:320px;background:#fff;transform:translateX(-105%);transition:.22s ease;z-index:10040;box-shadow:20px 0 50px rgba(65,115,180,.16);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}
.drawer-head{height:72px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.drawer-close{width:38px;height:38px;border:0;background:#F4F8FD;border-radius:10px;font-size:27px;line-height:1;cursor:pointer}.drawer-nav{padding:14px}.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;font-weight:700;color:var(--text)}.drawer-nav a:hover,.drawer-nav a.active{background:#F0F7FE;color:var(--brand)}
.hero-carousel{position:relative;width:100%;overflow:hidden;background:#edf5fd}
.carousel-stage{position:relative;width:100%}.slide{display:none;width:100%}.slide.active{display:block}.slide img{width:100%;height:auto;object-fit:contain;object-position:center}
.carousel-control{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid rgba(228,234,245,.95);background:rgba(255,255,255,.90);box-shadow:0 6px 20px rgba(65,115,180,.12);color:#617DAA;font-size:26px;cursor:pointer;z-index:3}.carousel-control:hover{background:#fff;color:var(--brand)}.carousel-prev{left:22px}.carousel-next{right:22px}
.carousel-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:8px;z-index:4}.carousel-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.72);box-shadow:0 0 0 1px rgba(74,159,242,.25);cursor:pointer}.carousel-dot.active{width:24px;border-radius:20px;background:var(--brand)}
.brand-intro{display:grid;grid-template-columns:1.25fr .75fr;gap:58px;align-items:center}.brand-copy h1{margin:0 0 18px;color:var(--title);font-size:clamp(32px,4vw,50px);line-height:1.2}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}.tag{padding:7px 12px;border-radius:999px;border:1px solid #DCEAF8;background:#F7FBFF;color:#6480A7;font-size:14px}.intro-panel{padding:28px;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.intro-panel strong{display:block;color:var(--title);font-size:18px;margin-bottom:8px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}.quick-item{min-height:138px;padding:20px;border-top:3px solid #DCEEFF;background:#fff;border-radius:14px;box-shadow:0 6px 20px rgba(65,115,180,.07)}.quick-item h3{margin:0 0 8px;color:var(--title);font-size:18px}.quick-item p{margin:0 0 10px;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}.content-image{width:100%;max-height:390px;object-fit:contain;border-radius:16px;background:#F7FAFE;border:1px solid var(--border)}.content-copy h2,.content-copy h1{margin:0 0 14px;color:var(--title);font-size:clamp(28px,3vw,40px);line-height:1.28}.content-copy p{margin:0 0 15px}.check-list{display:grid;gap:10px;margin:20px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:22px}.check-list li:before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.editorial-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:30px}.feature-card{background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.feature-card .card-body{padding:24px}.feature-card h3{margin:0 0 10px;color:var(--title);font-size:22px}.feature-card p{margin:0 0 14px}.feature-card img{width:100%;height:auto;max-height:300px;object-fit:contain;background:#F7FAFE}.feature-card.horizontal{display:grid;grid-template-columns:.9fr 1.1fr;align-items:center}.feature-card.horizontal img{height:100%;max-height:330px}
.stacked-list{display:grid;gap:14px}.list-card{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;padding:16px;background:#fff;border:1px solid var(--border);border-radius:14px}.list-card img{width:150px;height:110px;object-fit:contain;background:#F7FAFE;border-radius:10px}.list-card h3{margin:0 0 5px;color:var(--title)}.list-card p{margin:0 0 6px;font-size:14px}
.app-showcase{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;padding:34px;border:1px solid var(--border);background:#fff;border-radius:18px;box-shadow:var(--shadow)}.app-showcase img{max-height:370px;margin:auto;object-fit:contain}.mini-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.mini-point{padding:13px 14px;border:1px solid var(--border);border-radius:10px;background:#F9FBFE;color:#60749B}
.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:14px;overflow:hidden}.info-strip div{background:#fff;padding:22px}.info-strip strong{display:block;color:var(--title);margin-bottom:4px}.info-strip span{font-size:14px;color:var(--muted)}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.review{padding:24px;background:#fff;border:1px solid var(--border);border-radius:14px}.review:before{content:"“";display:block;height:26px;color:#8FC6F8;font-size:40px;line-height:1}.review p{margin:8px 0 0}
.faq-list{display:grid;gap:12px;margin-top:28px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:13px;overflow:hidden}.faq-item>button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;border:0;background:#fff;color:var(--title);text-align:left;font-weight:800;cursor:pointer}.faq-item>button:after{content:"+";color:var(--brand);font-size:22px}.faq-item.open>button:after{content:"−"}.faq-answer{padding:0 20px 18px;color:var(--text)}.faq-answer p{margin:0}
.compliance{padding:24px 28px;border:1px solid #DDE8F4;border-left:4px solid #8BBDEA;background:#F7FBFF;border-radius:12px}.compliance strong{color:var(--title)}
.page-hero{padding:70px 0 44px;background:linear-gradient(180deg,#F7FBFF,#F1F6FE)}.page-hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}.page-hero.no-image .container{display:block}.page-hero h1{margin:0 0 16px;color:var(--title);font-size:clamp(34px,4vw,52px);line-height:1.18}.page-hero p{margin:0;max-width:760px}.page-hero img{max-height:380px;margin-left:auto;object-fit:contain;border-radius:16px;background:#fff;border:1px solid var(--border)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.topic-card{padding:23px;background:#fff;border:1px solid var(--border);border-radius:14px}.topic-card h3{margin:0 0 8px;color:var(--title)}.topic-card p{margin:0}.number-list{counter-reset:item;display:grid;gap:14px;margin:28px 0 0}.number-list div{position:relative;padding:18px 18px 18px 58px;background:#fff;border:1px solid var(--border);border-radius:12px}.number-list div:before{counter-increment:item;content:counter(item);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#EAF5FF;color:var(--brand);font-weight:800}.number-list strong{display:block;color:var(--title);margin-bottom:4px}
.timeline{position:relative;margin-top:30px;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#DDEAF7}.timeline-item{position:relative;padding:0 0 25px 24px}.timeline-item:before{content:"";position:absolute;left:-25px;top:7px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px #EAF5FF}.timeline-item h3{margin:0 0 6px;color:var(--title)}.timeline-item p{margin:0}
.support-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:26px 30px;background:#fff;border:1px solid var(--border);border-radius:14px}.support-box h2{margin:0 0 8px;color:var(--title)}.support-box p{margin:0}.support-links{display:flex;gap:12px;flex-wrap:wrap}.soft-btn{display:inline-flex;padding:9px 14px;border:1px solid #D6E7F7;border-radius:9px;color:var(--brand);background:#F8FCFF;font-weight:700}.soft-btn:hover{background:#ECF6FF}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.contact-card{padding:24px;background:#fff;border:1px solid var(--border);border-radius:14px}.contact-card h3{margin:0 0 8px;color:var(--title)}
.site-footer{background:#EAF3FD;border-top:1px solid #DDE8F4;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:36px;padding:52px 0 40px}.footer-grid h2{margin:0 0 12px;color:var(--title);font-size:16px}.footer-grid a:not(.footer-logo){display:block;margin:7px 0;color:var(--text)}.footer-grid a:hover{color:var(--brand)}.footer-brand p,.footer-grid p{margin:14px 0 0;font-size:14px}.footer-bottom{text-align:center;padding:16px 20px;border-top:1px solid #DDE8F4;color:#7B8EAE;font-size:14px}
.floating-service{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:8000;width:58px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.floating-service a,.floating-service button{display:grid;place-items:center;width:100%;height:49px;border:0;border-bottom:1px solid #EEF2F8;background:#fff;color:#6C7FA3;font-size:13px;cursor:pointer}.floating-service a:hover,.floating-service button:hover{background:#F3F8FE;color:var(--brand)}.floating-service>*:last-child{border-bottom:0}
.mobile-bottom-nav{display:none}
@media(max-width:1023px){.header-inner{gap:18px}.desktop-nav{gap:18px}.more-menu{width:min(360px,calc(100vw - 40px));grid-template-columns:repeat(3,1fr)}.floating-service{display:none}.quick-grid{grid-template-columns:repeat(2,1fr)}.reviews{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}.info-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){body{padding-bottom:66px}.site-header{height:64px}.header-inner{width:100%;padding:0 12px;grid-template-columns:48px 1fr auto;gap:8px}.desktop-nav{display:none}.mobile-menu-btn{display:block}.brand-logo{justify-self:center}.brand-logo img{height:34px;max-width:130px}.header-cta{min-height:38px;padding:7px 15px;font-size:14px}.container{width:min(calc(100% - 28px),var(--max))}.section{padding:52px 0}.section.compact{padding:38px 0}.carousel-control{width:38px;height:38px;font-size:22px}.carousel-prev{left:10px}.carousel-next{right:10px}.carousel-dots{bottom:10px}.brand-intro,.split,.editorial-grid,.app-showcase,.page-hero .container{grid-template-columns:1fr;gap:28px}.brand-intro{gap:24px}.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.quick-item{padding:16px;min-height:135px}.feature-card.horizontal{grid-template-columns:1fr}.feature-card.horizontal img{height:auto}.stacked-list{gap:12px}.list-card{grid-template-columns:110px 1fr;padding:12px}.list-card img{width:110px;height:90px}.mini-points{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr}.reviews,.topic-grid,.contact-grid{grid-template-columns:1fr}.support-box{grid-template-columns:1fr}.page-hero{padding:48px 0 34px}.page-hero img{margin:0 auto;max-height:300px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}.footer-grid>div:last-child{grid-column:1/-1}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:62px;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--border);z-index:9000;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#7183A5;font-size:12px}.mobile-bottom-nav a span{font-size:17px;line-height:1}.mobile-bottom-nav a.active{color:var(--brand);font-weight:800}.site-footer{margin-bottom:0}}
@media(max-width:420px){.quick-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand,.footer-grid>div:last-child{grid-column:auto}.list-card{grid-template-columns:1fr}.list-card img{width:100%;height:auto;max-height:180px}.carousel-control{width:34px;height:34px}.brand-copy h1{font-size:31px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}