:root{--bg:#F1F6FE;--soft:#F5F8FE;--blue:#4A9FF2;--blue2:#3F94EC;--text:#66769F;--muted:#8794B5;--line:#E4EAF5;--card:#fff;--shadow:0 10px 28px rgba(65,115,180,.10)}
*{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","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}html.menu-open,body.menu-open{overflow:hidden}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a{outline-offset:3px}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--blue)}
.container{width:min(1200px,calc(100% - 40px));margin: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(1240px,calc(100% - 32px));margin:auto;display:flex;align-items:center;gap:28px;white-space:nowrap}.brand-logo{display:flex;align-items:center;flex:0 0 auto}.brand-logo img{width:146px;height:auto}.desktop-nav{display:flex;align-items:center;gap:24px;flex:1;justify-content:center}.desktop-nav>a,.more-btn{font-size:15px;color:#60729c;background:none;border:0;padding:24px 2px 20px;cursor:pointer;position:relative}.desktop-nav>a.active,.desktop-nav>a:hover,.more-btn:hover{color:var(--blue2)}.desktop-nav>a.active:after{content:"";position:absolute;left:18%;right:18%;bottom:13px;height:2px;background:var(--blue);border-radius:10px}.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,#4A9FF2);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(74,159,242,.22)}.main-btn:hover{background:#3F94EC}.header-cta{flex:0 0 auto}.more-wrap{position:relative}.more-menu{position:absolute;top:58px;left:50%;transform:translateX(-58%);width:400px;padding:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:.2s;z-index:10020}.more-menu.open{opacity:1;visibility:visible;pointer-events:auto}.more-menu a{padding:10px 12px;border-radius:9px;color:var(--text);font-size:14px}.more-menu a:hover{background:#F2F7FE;color:var(--blue2)}
.mobile-menu-btn{display:none;background:none;border:0;width:42px;height:42px;padding:9px;cursor:pointer}.mobile-menu-btn span{display:block;height:2px;background:#64759C;margin:5px 0;border-radius:2px}.drawer-mask{position:fixed;inset:0;background:rgba(38,57,86,.24);opacity:0;visibility:hidden;pointer-events:none;z-index:10000;transition:.2s}.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(-102%);transition:transform .25s ease;z-index:10001;box-shadow:18px 0 44px rgba(49,84,130,.16);overflow-y:auto}.mobile-drawer.open{transform:translateX(0)}.drawer-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.drawer-head img{width:132px}.drawer-close{width:42px;height:42px;border:0;background:#F4F8FD;border-radius:9px;color:#64759C;font-size:27px;cursor:pointer}.drawer-nav{padding:14px}.drawer-nav a{display:block;padding:12px 10px;border-bottom:1px solid #EEF2F8;color:#63759F}
.hero-carousel{width:100%;background:#edf5ff;position:relative;overflow:hidden;touch-action:pan-y pinch-zoom}.carousel-track{display:flex;transition:transform .45s ease}.carousel-slide{min-width:100%;flex:0 0 100%}.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,.9);color:#54719e;cursor:pointer;box-shadow:0 8px 20px rgba(65,115,180,.12);z-index:3}.carousel-prev{left:20px}.carousel-next{right:20px}.carousel-dots{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.carousel-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.65);cursor:pointer}.carousel-dot.active{background:var(--blue);box-shadow:0 0 0 4px rgba(255,255,255,.5)}
.section{padding:74px 0}.section.soft{background:var(--soft)}.section.white{background:#fff}.section-title{margin:0 0 14px;color:#516890;font-size:34px;line-height:1.25}.section-sub{max-width:760px;margin:0 0 30px;color:var(--muted)}.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.tag{padding:7px 12px;background:#ECF5FF;border:1px solid #DCECFB;border-radius:999px;color:#5482B8;font-size:13px}.info-panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:28px;border-radius:16px}.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:14px;min-height:138px}.quick-item h3{margin:0 0 8px;color:#556C95;font-size:18px}.text-link{color:var(--blue2);font-weight:600}.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.content-image{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.content-image img{width:100%;height:auto;object-fit:contain;border-radius:10px}.bullet-list{padding:0;margin:20px 0;list-style:none}.bullet-list li{padding:8px 0 8px 24px;position:relative}.bullet-list li:before{content:"";position:absolute;left:2px;top:19px;width:8px;height:8px;border-radius:50%;background:var(--blue)}.editorial-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:24px}.stack{display:grid;gap:18px}.editorial-card,.review-card,.faq-item,.service-strip,.plain-card{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.editorial-card{padding:22px}.editorial-card img{width:100%;height:auto;object-fit:contain;border-radius:10px;margin-bottom:18px}.service-strip{display:grid;grid-template-columns:repeat(4,1fr);padding:0;overflow:hidden}.service-strip div{padding:22px;border-right:1px solid var(--line)}.service-strip div:last-child{border-right:0}.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review-card{padding:20px}.review-card p{margin:0}.review-card strong{display:block;color:#58709A;margin-bottom:8px}.faq-list{display:grid;gap:12px}.faq-item{overflow:hidden}.faq-q{width:100%;padding:18px 20px;border:0;background:#fff;display:flex;justify-content:space-between;gap:16px;color:#566D95;font-weight:700;text-align:left;cursor:pointer}.faq-a{display:none;padding:0 20px 18px;color:var(--text)}.faq-item.open .faq-a{display:block}.timeline{display:grid;gap:16px}.timeline-row{display:grid;grid-template-columns:110px 1fr;gap:22px}.timeline-row strong{color:var(--blue2)}.notice{padding:20px 22px;border-left:4px solid #78B5ED;background:#EAF4FE;border-radius:10px;color:#5F749B}.page-hero{padding:64px 0 30px}.page-hero h1{font-size:40px;color:#516890;margin:0 0 12px}.page-layout{display:grid;grid-template-columns:1fr 420px;gap:34px;align-items:start}.page-main{display:grid;gap:24px}.plain-card{padding:24px}.plain-card h2{margin-top:0;color:#536B95}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini-grid>div{background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.site-footer{background:#EAF3FD;padding-top:50px;border-top:1px solid #DDEAF8}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}.footer-brand img{width:145px;margin-bottom:16px}.site-footer h3{font-size:16px;color:#58719D}.site-footer a{display:block;margin:8px 0;color:#66769F}.footer-bottom{text-align:center;padding:22px;border-top:1px solid #DCE8F6;margin-top:34px;color:#8491AF}.floating-service{position:fixed;right:18px;top:42%;z-index:8000;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;overflow:hidden}.floating-service a,.floating-service button{display:block;width:54px;padding:12px 6px;border:0;border-bottom:1px solid var(--line);background:#fff;color:#66769F;text-align:center;font-size:13px;cursor:pointer}.floating-service a:hover,.floating-service button:hover{color:var(--blue2);background:#F4F8FD}.mobile-bottom-nav{display:none}
@media(max-width:1023px){.header-inner{gap:18px}.desktop-nav{gap:16px}.desktop-nav>a,.more-btn{font-size:14px}.more-menu{width:min(380px,calc(100vw - 32px));grid-template-columns:repeat(3,1fr)}.floating-service{display:none}.page-layout{grid-template-columns:1fr 340px}.quick-grid{grid-template-columns:repeat(2,1fr)}.reviews{grid-template-columns:repeat(2,1fr)}.service-strip{grid-template-columns:repeat(2,1fr)}.service-strip div:nth-child(2){border-right:0}.service-strip div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:767px){body{padding-bottom:calc(64px + env(safe-area-inset-bottom));overflow-x:hidden}.site-header{z-index:9000}.header-inner{height:64px;width:calc(100% - 20px);display:grid;grid-template-columns:48px 1fr auto;gap:8px}.mobile-menu-btn{display:block}.brand-logo{justify-content:center}.brand-logo img{width:122px}.desktop-nav{display:none}.header-cta{min-height:40px;padding:0 14px;font-size:14px}.container{width:min(100% - 28px,1200px)}.section{padding:52px 0}.section-title{font-size:28px}.intro-grid,.feature-split,.editorial-grid,.page-layout{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(2,1fr);gap:10px}.quick-item{min-height:122px;padding:16px}.service-strip{grid-template-columns:1fr}.service-strip div{border-right:0;border-bottom:1px solid var(--line)}.service-strip div:last-child{border-bottom:0}.reviews{grid-template-columns:1fr}.mini-grid,.contact-grid{grid-template-columns:1fr}.page-hero{padding:44px 0 20px}.page-hero h1{font-size:32px}.carousel-arrow{width:40px;height:40px}.carousel-prev{left:10px}.carousel-next{right:10px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{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);align-items:center;background:#fff;border-top:1px solid var(--line);z-index:9500;box-shadow:0 -8px 24px rgba(65,115,180,.08)}.mobile-bottom-nav a{text-align:center;font-size:13px;color:#7B89A9}.mobile-bottom-nav a.active{color:var(--blue);font-weight:700}.timeline-row{grid-template-columns:1fr;gap:4px}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}.quick-grid{display:flex;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x proximity}.quick-item{min-width:220px;scroll-snap-align:start}.section-title{font-size:26px}.carousel-dots{bottom:8px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}