:root{--bg:#F1F6FE;--surface:#fff;--surface-soft:#F5F8FE;--blue:#4A9FF2;--blue-hover:#3F94EC;--text:#66769F;--muted:#8794B5;--line:#E4EAF5;--soft:#B8C3DC;--shadow:0 10px 28px rgba(65,115,180,.10);--radius:14px;--header-h:72px}
*{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","Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body,html{min-height:100%;overflow-y:auto}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button,input,textarea{font:inherit}button{cursor:pointer}.container{width:min(1220px,calc(100% - 40px));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:var(--header-h);width:min(1220px,calc(100% - 40px));margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}.brand-logo img{width:142px;max-height:46px;object-fit:contain}.desktop-nav{display:flex;justify-content:center;align-items:center;gap:28px;white-space:nowrap;min-width:0}.desktop-nav>a,.more-btn{position:relative;color:#61739d;font-weight:650;font-size:15px;padding:24px 0 22px;border:0;background:none}.desktop-nav>a:after{content:"";position:absolute;left:50%;bottom:14px;width:0;height:2px;background:var(--blue);transform:translateX(-50%);transition:.2s}.desktop-nav>a:hover,.desktop-nav>a:focus,.desktop-nav>a.active,.more-btn:hover,.more-btn:focus{color:var(--blue-hover)}.desktop-nav>a.active:after{width:20px}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 22px;border-radius:10px;background:linear-gradient(135deg,#59AAF5,#4A9FF2);color:#fff;font-weight:700;box-shadow:0 7px 18px rgba(74,159,242,.2);transition:.2s}.main-btn:hover,.main-btn:focus{background:linear-gradient(135deg,#4A9FF2,#3F94EC);transform:translateY(-1px)}.header-cta{white-space:nowrap}.more-wrap{position:relative}.more-menu{position:absolute;top:calc(100% - 8px);left:50%;transform:translateX(-50%) translateY(8px);width:min(470px,calc(100vw - 36px));display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.18s;z-index:10030}.more-wrap.open .more-menu{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}.more-menu a{padding:10px 12px;border-radius:9px;color:var(--text);font-size:14px}.more-menu a:hover,.more-menu a:focus{background:#F2F7FE;color:var(--blue-hover)}
.mobile-menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;justify-content:center;flex-direction:column;gap:4px}.mobile-menu-btn span{width:18px;height:2px;background:#65779e;border-radius:2px}.drawer-mask{position:fixed;inset:0;background:rgba(66,84,120,.22);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;z-index:10000}.drawer-mask.show{opacity:1;visibility:visible;pointer-events:auto}.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:82%;max-width:320px;background:#fff;transform:translateX(-104%);transition:transform .24s ease;z-index:10010;box-shadow:14px 0 36px rgba(50,84,126,.16);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}html.menu-open,body.menu-open{overflow:hidden}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.drawer-logo img{width:132px;max-height:42px;object-fit:contain}.drawer-close{width:42px;height:42px;border:0;background:#F3F7FD;border-radius:10px;color:#6d7ea6;font-size:28px;line-height:1}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:12px 14px;border-radius:10px;font-weight:600}.drawer-nav a:hover,.drawer-nav a:focus{background:#F1F7FE;color:var(--blue)}.drawer-note{margin:8px 18px 24px;padding:12px 14px;background:#F5F8FE;border:1px solid var(--line);border-radius:10px;font-size:13px;color:var(--muted)}
.floating-service{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:9800;display:flex;flex-direction:column;width:62px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.floating-service a,.floating-service button{min-height:46px;border:0;border-bottom:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;display:flex;align-items:center;justify-content:center}.floating-service button:last-child{border-bottom:0}.floating-service a:hover,.floating-service button:hover{background:#F2F7FE;color:var(--blue)}
.hero-carousel{position:relative;width:100%;overflow:hidden;background:#edf4fc;touch-action:pan-y pinch-zoom}.carousel-track{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-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.82);border-radius:50%;color:#5572a1;font-size:26px;box-shadow:0 6px 20px rgba(55,91,136,.14);z-index:4}.carousel-prev{left:24px}.carousel-next{right:24px}.carousel-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:8px;z-index:4}.carousel-dot{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.72);box-shadow:0 0 0 1px rgba(70,118,170,.18)}.carousel-dot.active{background:var(--blue)}
.section{padding:72px 0}.section-tight{padding:46px 0}.surface{background:#fff}.soft-surface{background:var(--surface-soft)}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:24px;height:2px;background:var(--blue)}h1,h2,h3{color:#52678f;line-height:1.35;margin:0 0 16px}h1{font-size:clamp(30px,4vw,48px);letter-spacing:-.02em}h2{font-size:clamp(24px,3vw,34px)}h3{font-size:19px}p{margin:0 0 16px}.lead{font-size:18px;color:#7584a7;max-width:820px}.intro-panel{display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:center}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.tag{display:inline-flex;padding:7px 12px;border:1px solid #dce9f8;background:#f7fbff;color:#6683ab;border-radius:999px;font-size:13px}.text-link{color:var(--blue);font-weight:700}.text-link:hover{text-decoration:underline}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.section-head p{max-width:680px;color:var(--muted);margin:0}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.quick-item{background:#fff;border:1px solid var(--line);padding:20px;border-radius:12px;min-height:142px}.quick-item h3{margin-bottom:8px}.quick-item p{font-size:14px;color:var(--muted);min-height:50px}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.feature-image{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow)}.feature-image img{width:100%;height:auto;max-height:380px;object-fit:contain}.bullet-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:22px 0}.bullet{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:14px}.editorial-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}.story-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.story-card img{width:100%;height:auto;max-height:300px;object-fit:contain;background:#f5f8fe}.story-card .card-body{padding:22px}.stack-list{display:grid;gap:14px}.list-card{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.list-card img{width:120px;max-height:94px;object-fit:contain}.duo{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;border-radius:14px;overflow:hidden}.info-strip div{padding:20px;border-right:1px solid var(--line)}.info-strip div:last-child{border-right:0}.info-strip strong{display:block;color:#536a95;margin-bottom:5px}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{background:#fff;border-left:3px solid #9ac8f5;border-radius:10px;padding:20px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.review p{font-size:14px;margin:0}.faq-list{display:grid;gap:10px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.faq-item button{width:100%;border:0;background:#fff;color:#596f98;padding:17px 20px;text-align:left;font-weight:700;display:flex;justify-content:space-between;align-items:center}.faq-item button:after{content:"+";font-size:22px;color:var(--blue)}.faq-item.open button:after{content:"−"}.faq-answer{display:none;padding:0 20px 18px;color:var(--muted)}.faq-item.open .faq-answer{display:block}.compliance-box{background:#eef6ff;border:1px solid #d8e9fa;border-radius:14px;padding:22px 24px;color:#6c7fa4}.page-hero{padding:58px 0 36px;background:linear-gradient(180deg,#f8fbff,#F1F6FE)}.page-hero .lead{max-width:760px}.page-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.content-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.content-grid .content-card h3{font-size:18px}.timeline{position:relative;margin-left:8px}.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:#dbeafb}.timeline-item{position:relative;padding:0 0 24px 34px}.timeline-item:before{content:"";position:absolute;left:2px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--blue)}.support-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:14px}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.site-footer{background:#fff;border-top:1px solid var(--line);padding:52px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-brand img{width:148px;max-height:46px;object-fit:contain;margin-bottom:16px}.footer-grid h3{font-size:15px;margin-bottom:12px}.footer-grid a{display:block;margin:7px 0;color:#7283a6;font-size:14px}.footer-grid a:hover{color:var(--blue)}.footer-grid p{font-size:14px;color:#8794B5}.footer-bottom{text-align:center;border-top:1px solid var(--line);margin-top:36px;padding:18px;color:#91a0bd;font-size:13px}.mobile-bottom-nav{display:none}
@media (max-width:1023px){.desktop-nav{gap:18px}.desktop-nav>a,.more-btn{font-size:14px}.header-inner{gap:18px}.brand-logo img{width:130px}.floating-service{display:none}.quick-grid{grid-template-columns:repeat(2,1fr)}.review-grid,.content-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}.more-menu{grid-template-columns:repeat(3,1fr);left:auto;right:0;transform:translateY(8px)}.more-wrap.open .more-menu{transform:translateY(0)}}
@media (max-width:767px){:root{--header-h:64px}.container{width:min(100% - 28px,1220px)}body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.header-inner{height:64px;width:calc(100% - 24px);display:grid;grid-template-columns:42px 1fr auto;gap:10px}.desktop-nav{display:none}.mobile-menu-btn{display:flex}.brand-logo{justify-self:center}.brand-logo img{width:116px;max-height:38px}.header-cta{min-height:40px;padding:0 14px;font-size:14px}.section{padding:50px 0}.section-tight{padding:34px 0}.carousel-prev,.carousel-next{width:38px;height:38px;font-size:22px}.carousel-prev{left:10px}.carousel-next{right:10px}.carousel-dots{bottom:10px}.intro-panel,.feature-split,.editorial-grid,.duo,.page-layout{grid-template-columns:1fr}.feature-image{padding:10px}.feature-image img,.story-card img{max-height:none}.quick-grid{display:flex;overflow-x:auto;scroll-snap-type:x proximity;gap:12px;padding-bottom:6px}.quick-item{min-width:76%;scroll-snap-align:start}.bullet-grid,.content-grid,.review-grid,.contact-grid{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr 1fr}.info-strip div:nth-child(2){border-right:0}.info-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}.section-head{display:block}.section-head p{margin-top:10px}.list-card{grid-template-columns:92px 1fr}.list-card img{width:92px}.support-bar{align-items:flex-start;flex-direction:column}.site-footer{padding-bottom:8px}.footer-grid{grid-template-columns:1fr 1fr}.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:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);z-index:9900;box-shadow:0 -8px 24px rgba(70,110,160,.08)}.mobile-bottom-nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:12px;color:#7c8cac;min-height:56px}.mobile-bottom-nav a span{font-size:18px;line-height:1}.mobile-bottom-nav a.active{color:var(--blue)}.page-hero{padding:42px 0 26px}h1{font-size:32px}h2{font-size:25px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}