:root{--bg:#F1F6FE;--panel:#fff;--soft:#F5F8FE;--brand:#4A9FF2;--brand2:#3F94EC;--text:#66769F;--muted:#8794B5;--line:#E4EAF5;--input:#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","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}img{display:block;max-width:100%;height:auto}main{min-height:60vh}.container{width:min(1220px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:9999;height:var(--header-h);background:rgba(255,255,255,.96);border-bottom:1px solid rgba(228,234,245,.9);backdrop-filter:blur(12px)}.header-inner{width:min(1240px,calc(100% - 32px));height:100%;margin:auto;display:flex;align-items:center;gap:30px;white-space:nowrap}.brand-logo{width:142px;flex:0 0 142px}.brand-logo img,.drawer-logo img,.footer-brand img{width:100%;height:auto;object-fit:contain}.desktop-nav{display:flex;align-items:center;gap:26px;flex:1;justify-content:center;height:100%}.desktop-nav>a,.more-btn{height:100%;display:flex;align-items:center;border:0;background:transparent;padding:0 2px;color:#56678f;font-size:15px;cursor:pointer;position:relative}.desktop-nav>a:after,.more-btn:after{content:"";position:absolute;left:50%;bottom:13px;width:0;height:2px;background:var(--brand);transform:translateX(-50%);transition:.2s}.desktop-nav>a:hover,.desktop-nav>a:focus,.desktop-nav>a.active,.more-btn:hover,.more-btn:focus,.more-btn.active{color:var(--brand2)}.desktop-nav>a.active:after,.more-btn.active:after{width:20px}.main-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 20px;border-radius:10px;background:linear-gradient(135deg,#5aaaf5,#4A9FF2);color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(74,159,242,.20);transition:.2s}.main-btn:hover,.main-btn:focus{background:#3F94EC;transform:translateY(-1px)}.header-cta{flex:0 0 auto}.more-nav{height:100%;position:relative;display:flex;align-items:center}.more-menu{position:absolute;top:62px;right:-116px;width:390px;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;transform:translateY(6px);transition:.18s;z-index:10020;white-space:normal}.more-nav:hover .more-menu,.more-nav.open .more-menu{opacity:1;visibility:visible;pointer-events:auto;transform:none}.more-menu a{padding:10px 12px;border-radius:9px;color:var(--text);font-size:14px}.more-menu a:hover,.more-menu a:focus{color:var(--brand2);background:#F1F7FE}.mobile-menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px}.mobile-menu-btn span{width:18px;height:2px;background:#63759c;border-radius:2px}.drawer-mask{position:fixed;inset:0;z-index:10000;background:rgba(44,64,102,.26);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}.drawer-mask.show{opacity:1;visibility:visible;pointer-events:auto}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;z-index:10001;width:82vw;max-width:320px;background:#fff;transform:translateX(-102%);transition:transform .24s ease;box-shadow:14px 0 34px rgba(55,90,140,.14);overflow-y:auto;overscroll-behavior:contain}.mobile-drawer.open{transform:translateX(0)}.drawer-head{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--line)}.drawer-logo{width:132px}.drawer-close{width:42px;height:42px;border:0;background:#F4F7FC;border-radius:10px;color:#6d7da3;font-size:28px;line-height:1;cursor:pointer}.drawer-nav{padding:14px}.drawer-nav a{display:flex;min-height:46px;align-items:center;padding:0 12px;border-radius:9px;color:#596b92}.drawer-nav a:hover,.drawer-nav a:focus{background:#F1F7FE;color:var(--brand2)}html.menu-open,body.menu-open{overflow:hidden}.mobile-bottom-nav{display:none}.floating-service{position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:8000;width:58px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.floating-service a,.floating-service button{display:flex;width:100%;min-height:46px;align-items:center;justify-content:center;border:0;border-bottom:1px solid var(--line);background:#fff;color:#66769F;font-size:13px;cursor:pointer}.floating-service *:last-child{border-bottom:0}.floating-service a:hover,.floating-service button:hover{background:#F1F7FE;color:var(--brand2)}
.section{padding:74px 0}.section.soft{background:var(--soft)}.section.white{background:#fff}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.06em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--brand)}h1,h2,h3{color:#40557f;line-height:1.35;margin:0 0 16px}h1{font-size:clamp(30px,4vw,46px)}h2{font-size:clamp(24px,3vw,34px)}h3{font-size:19px}p{margin:0 0 14px}.lead{font-size:17px;color:#7583a6;max-width:820px}.section-head{max-width:760px;margin-bottom:30px}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 26px}.tag{padding:6px 11px;border:1px solid #dce7f5;background:#f7fbff;border-radius:999px;color:#6682ac;font-size:13px}.text-link{color:var(--brand2);font-weight:700}.text-link:hover{text-decoration:underline}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 22px rgba(65,115,180,.07)}.feature-card p{font-size:14px;color:var(--muted)}.feature-card .num{font-size:12px;color:var(--brand);font-weight:800;margin-bottom:12px}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.content-image{background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow)}.content-image img{width:100%;height:auto;object-fit:contain;border-radius:10px}.bullet-list{display:grid;gap:10px;margin:20px 0}.bullet-list div{position:relative;padding-left:22px}.bullet-list div:before{content:"";position:absolute;left:0;top:.78em;width:7px;height:7px;border-radius:50%;background:var(--brand)}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}.info-strip div{background:#fff;padding:22px}.info-strip strong{display:block;color:#425980;margin-bottom:5px}.editorial-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.editorial-main,.editorial-side{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}.editorial-side{display:grid;gap:18px}.mini-row{padding-bottom:16px;border-bottom:1px solid var(--line)}.mini-row:last-child{border-bottom:0;padding-bottom:0}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{background:#fff;border-left:3px solid #9dcafa;border-radius:12px;padding:22px;box-shadow:0 8px 22px rgba(65,115,180,.06)}.review p{margin:0;color:#7685a8}.review span{display:block;margin-top:12px;color:#9aa6bf;font-size:13px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.faq-item button{width:100%;min-height:56px;border:0;background:#fff;color:#485d84;text-align:left;padding:15px 48px 15px 18px;position:relative;font-weight:700;cursor:pointer}.faq-item button:after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--brand);font-size:22px}.faq-item.open button:after{content:"−"}.faq-answer{display:none;padding:0 18px 18px;color:#7887a8}.faq-item.open .faq-answer{display:block}.page-hero{padding:66px 0 52px;background:linear-gradient(180deg,#F8FBFF 0,#F1F6FE 100%);border-bottom:1px solid var(--line)}.page-hero .lead{margin-top:14px}.breadcrumb{font-size:13px;color:#98a5bf;margin-bottom:14px}.breadcrumb a{color:var(--brand)}.timeline{display:grid;gap:0}.timeline-item{position:relative;padding:0 0 30px 34px;border-left:1px solid #dbe6f4}.timeline-item:before{content:"";position:absolute;left:-5px;top:5px;width:9px;height:9px;border-radius:50%;background:var(--brand)}.timeline-item:last-child{padding-bottom:0}.callout{padding:24px 26px;background:#EAF3FD;border:1px solid #D8E8FA;border-radius:14px}.list-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.list-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.compact-list{display:grid;gap:0;border-top:1px solid var(--line)}.compact-list a,.compact-list div{display:grid;grid-template-columns:130px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}.compact-list strong{color:#465b82}.cta-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.contact-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:14px}.service-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}.service-step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}.service-step:before{counter-increment:step;content:"0" counter(step);display:block;color:var(--brand);font-size:12px;font-weight:800;margin-bottom:10px}
.carousel{width:100%;overflow:hidden;position:relative;background:#edf5fd;touch-action:pan-y pinch-zoom}.carousel-track{display:flex;width:100%;transition:transform .5s ease;will-change:transform}.carousel-slide{min-width:100%;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,.85);border-radius:50%;background:rgba(255,255,255,.86);color:#4d6a96;box-shadow:0 5px 18px rgba(67,99,145,.14);cursor:pointer;z-index:3}.carousel-prev{left:18px}.carousel-next{right:18px}.carousel-dots{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:8px;z-index:3}.carousel-dots button{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.72);box-shadow:0 0 0 1px rgba(61,96,141,.18);cursor:pointer}.carousel-dots button.active{width:22px;border-radius:6px;background:var(--brand)}
.site-footer{background:#fff;border-top:1px solid var(--line);padding:54px 0 38px}.footer-grid{display:grid;grid-template-columns:1.4fr .7fr .7fr 1fr;gap:34px}.footer-brand img{width:150px;margin-bottom:16px}.site-footer h3{font-size:15px}.site-footer a{display:block;margin:8px 0;font-size:14px}.site-footer p{font-size:14px;color:#8190af}
@media(max-width:1100px){.header-inner{gap:18px}.desktop-nav{gap:18px}.more-menu{right:-80px}.floating-service{display:none}.feature-grid{grid-template-columns:repeat(2,1fr)}.info-strip{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1}.service-steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.desktop-nav{gap:13px}.brand-logo{width:126px;flex-basis:126px}.more-menu{width:340px;right:-70px}.split,.split.reverse,.editorial-grid{grid-template-columns:1fr}.review-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){:root{--header-h:64px}body{padding-bottom:calc(62px + env(safe-area-inset-bottom));overflow-x:hidden}.container{width:min(100% - 28px,1220px)}.site-header{height:64px}.header-inner{width:100%;padding:0 12px;display:grid;grid-template-columns:48px 1fr auto;gap:10px}.desktop-nav{display:none}.mobile-menu-btn{display:flex}.brand-logo{width:124px;justify-self:center;flex:none}.header-cta{min-height:40px;padding:0 15px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(62px + env(safe-area-inset-bottom));z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);align-items:start;padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line);box-shadow:0 -7px 20px rgba(65,115,180,.08)}.mobile-bottom-nav a{height:62px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#7a89aa}.mobile-bottom-nav a.active{color:var(--brand);font-weight:800}.carousel-arrow{width:40px;height:40px}.carousel-prev{left:10px}.carousel-next{right:10px}.carousel-dots{bottom:10px}.section{padding:52px 0}.page-hero{padding:46px 0 38px}.feature-grid,.review-grid,.contact-grid,.list-cards,.service-steps{grid-template-columns:1fr}.info-strip{grid-template-columns:1fr}.editorial-main,.editorial-side,.feature-card{padding:21px}.split{gap:26px}.compact-list a,.compact-list div{grid-template-columns:1fr;gap:5px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}.site-footer{padding-bottom:32px}.floating-service{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}