:root{--blue:#0f5be8;--blue2:#4169e1;--deep:#102044;--text:#1e2a44;--muted:#60708b;--line:#dfe8f6;--soft:#f4f8fe;--white:#fff;--shadow:0 18px 50px rgba(22,67,153,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans CJK SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:#fff;padding-top:78px}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{max-width:1280px;margin:0 auto;padding:0 28px}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid #e8eef8}.header-inner{height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;flex:0 0 210px;height:64px;overflow:hidden}.brand img{width:178px;max-height:58px;object-fit:contain}.main-nav{display:flex;align-items:center;gap:2px;flex:1;height:78px}.nav-item{position:relative;height:78px;display:flex;align-items:center}.nav-item>a{display:flex;align-items:center;gap:4px;padding:0 14px;height:78px;font-size:15px;white-space:nowrap;color:#1e2a44}.nav-item.active>a,.nav-item:hover>a{color:var(--blue)}.nav-arrow{font-size:15px;margin-top:2px}.dropdown{position:absolute;top:77px;left:0;min-width:250px;background:#fff;border:1px solid #e4ecfa;border-radius:0 0 10px 10px;box-shadow:var(--shadow);padding:10px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;z-index:99}.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}.dropdown a{display:block;padding:12px 18px;font-size:14px;color:#34405a;border-left:3px solid transparent;white-space:nowrap}.dropdown a:hover{background:#f3f7ff;color:var(--blue);border-left-color:var(--blue)}.header-cta{padding:12px 22px;border-radius:2px;background:var(--blue2);color:#fff;white-space:nowrap;box-shadow:0 12px 25px rgba(65,105,225,.22);font-size:15px}.menu-btn{display:none}
.hero-slider{position:relative;max-width:1320px;height:420px;margin:34px auto 0;border-radius:0;overflow:hidden;background:#edf4ff;box-shadow:var(--shadow)}.slides,.slide{height:100%}.slide{display:none}.slide.active{display:block}.slide img{width:100%;height:100%;object-fit:cover}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:0;border-radius:50%;background:rgba(255,255,255,.85);color:#4169e1;font-size:34px;line-height:40px;cursor:pointer;box-shadow:0 8px 20px rgba(44,77,143,.16)}.slider-arrow:hover{background:#fff}.slider-arrow.prev{left:18px}.slider-arrow.next{right:18px}.slider-dots{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);display:flex;gap:10px;padding:9px 14px;border-radius:30px;background:rgba(255,255,255,.75);backdrop-filter:blur(6px)}.slider-dots button{width:12px;height:12px;border:0;border-radius:50%;background:#b6c5e7;cursor:pointer}.slider-dots button.active{background:#e39739;width:26px;border-radius:16px}.section{padding:78px 0}.soft-bg{background:linear-gradient(180deg,#f6f9ff,#eef5ff)}.section-head{margin-bottom:34px}.section-head span{display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:22px;background:#eef4ff;color:#3f63de;font-size:14px;font-weight:700;letter-spacing:2px}.section-head span:before{content:"";width:8px;height:8px;background:var(--blue2);border-radius:50%}.section-head h2{font-size:34px;line-height:1.25;margin:18px 0 10px;color:#111f3f;letter-spacing:-.5px}.section-head p{font-size:17px;color:var(--muted);margin:0;max-width:860px}.two-col{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(420px,.98fr);gap:52px}.two-col.reverse{grid-template-columns:minmax(420px,.95fr) minmax(0,1.05fr)}.align-center{align-items:center}.indent{text-indent:2em;font-size:16px;line-height:2;color:#394865;margin:0 0 16px}.image-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.image-card img{width:100%;height:auto}.company-photo img{height:420px;width:100%;object-fit:cover}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}.stat-row div{background:#fff;border:1px solid var(--line);padding:18px;border-radius:12px;box-shadow:0 10px 25px rgba(28,70,136,.08)}.stat-row strong{display:block;font-size:28px;color:var(--blue2)}.stat-row span{font-size:14px;color:#667590}.btn-row{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 28px;border-radius:4px;font-weight:700}.btn.primary{background:var(--blue2);color:#fff;box-shadow:0 14px 28px rgba(65,105,225,.2)}.btn.ghost{border:1px solid #b8c9f7;color:var(--blue2);background:#fff}.center{text-align:center;margin-top:38px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{background:#fff;border:1px solid #e3ebf8;border-radius:14px;overflow:hidden;display:flex;flex-direction:column;min-height:100%;box-shadow:0 14px 36px rgba(43,76,136,.08);transition:.2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(43,76,136,.14)}.product-thumb{height:180px;background:#f3f7ff;overflow:hidden}.index-products .product-thumb{height:152px}.product-thumb img{width:100%;height:100%;object-fit:cover}.product-info{padding:22px 24px}.product-info h3{font-size:20px;line-height:1.35;margin:0 0 10px;color:#142446;letter-spacing:-.2px}.product-info p{font-size:14.5px;line-height:1.85;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tags em{font-style:normal;background:#eef4ff;color:#3157c8;border-radius:4px;padding:5px 9px;font-size:13px}.tags.big em{font-size:15px;padding:8px 12px}.solution-list{display:grid;gap:14px}.solution-list div{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:start;padding:18px;background:#fff;border:1px solid var(--line);border-radius:12px}.solution-list b{color:#12316b}.solution-list span{color:#526178;line-height:1.8}.culture-grid.improved{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.culture-grid.improved div{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px;min-height:190px;overflow:hidden}.culture-grid.improved div:after{content:"";position:absolute;right:-40px;bottom:-40px;width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,rgba(65,105,225,.12),rgba(42,159,255,.05))}.culture-grid span{font-size:13px;color:#fff;background:var(--blue2);padding:6px 10px;border-radius:20px}.culture-grid h3{font-size:22px;margin:18px 0 10px;color:#102044}.culture-grid p{font-size:15.5px;line-height:1.8}.clean-resource .section-head{text-align:center}.clean-resource .section-head p{margin:0 auto}.resource-grid.clean{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.resource-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;min-height:230px;box-shadow:0 14px 40px rgba(39,80,150,.08)}.resource-panel h3{font-size:23px;margin:0 0 12px;color:#102044}.resource-panel a{color:var(--blue2);font-weight:700}.page-hero{background:linear-gradient(135deg,#eef6ff 0%,#f9fbff 48%,#dfeeff 100%);padding:78px 0 70px;border-bottom:1px solid #e2ebf8}.page-hero.small{padding:62px 0}.page-hero h1{font-size:44px;line-height:1.2;margin:0 0 14px;color:#0f2145}.page-hero p{font-size:18px;color:#5b6c88;margin:0;max-width:900px}.product-hero p{max-width:980px}.image-wide{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.image-wide img{width:100%}blockquote{font-size:22px;color:var(--blue);border-left:4px solid var(--blue2);margin:30px 0 0;padding:12px 0 12px 24px}.culture-board{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.culture-board div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 24px;box-shadow:0 14px 32px rgba(30,70,130,.08)}.culture-board b{display:block;font-size:22px;color:#11244a;margin-bottom:12px}.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}.timeline div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;min-height:260px;box-shadow:0 12px 30px rgba(34,72,138,.08)}.timeline b{display:inline-block;font-size:26px;color:var(--blue2);margin-bottom:18px}.timeline h3{font-size:21px;line-height:1.3;margin:0 0 12px;color:#102044}.feature-grid{display:grid;gap:24px}.feature-grid.three{grid-template-columns:repeat(3,1fr)}.feature-grid.four{grid-template-columns:repeat(4,1fr)}.feature-grid div,.solution-card-grid div,.news-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 14px 34px rgba(30,70,130,.07)}.feature-grid h3,.solution-card-grid h3{font-size:22px;line-height:1.35;margin:0 0 12px;color:#102044}.solution-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.number-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.number-item{display:flex;align-items:flex-start;gap:8px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;line-height:1.65}.number-item b{color:var(--blue2);white-space:nowrap}.number-item span{color:#394865}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.news-grid article b{color:var(--blue2);font-size:14px}.news-grid h3{font-size:22px;margin:12px 0;color:#102044}.contact-grid{display:grid;grid-template-columns:1fr 420px;gap:48px}.contact-card{display:grid;grid-template-columns:110px 1fr;gap:18px;border-bottom:1px solid var(--line);padding:16px 0}.contact-card b{color:#102044}.qr-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:24px;text-align:center;box-shadow:var(--shadow)}.qr-panel img{width:160px;margin:0 auto 14px}.site-footer{background:#0d1c38;color:#dbe7ff;padding-top:48px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.1fr;gap:38px}.footer-brand img{width:220px;background:#fff;border-radius:8px;padding:8px;margin-bottom:14px}.footer-brand p{line-height:1.9;color:#aebfe0}.site-footer h4{color:#fff;margin:0 0 16px}.site-footer a{display:block;color:#b7c8e8;margin:10px 0}.site-footer a:hover{color:#fff}.footer-qr{display:flex;gap:16px}.footer-qr div{text-align:center}.footer-qr img{width:112px;background:#fff;padding:8px;border-radius:8px}.footer-qr span{display:block;margin-top:8px;color:#b7c8e8}.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding:18px;color:#8da1c5}.float-contact{position:fixed;right:24px;bottom:24px;z-index:40;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 16px 40px rgba(32,78,150,.18);padding:10px;text-align:center}.float-contact img{width:86px}.float-contact span{font-size:13px;color:#3157c8;font-weight:700}.table-image{max-height:520px;object-fit:contain;background:#fff}
@media(max-width:1100px){body{padding-top:68px}.header-inner{height:68px}.brand{flex:0 0 180px}.brand img{width:155px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;box-shadow:var(--shadow);padding:12px}.main-nav.open{display:block}.nav-item,.nav-item>a{height:auto;display:block}.nav-item>a{padding:13px 18px}.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 14px;display:none}.nav-item:hover .dropdown{display:block}.header-cta{display:none}.menu-btn{display:block;margin-left:auto;border:0;background:#eef4ff;color:var(--blue);font-size:22px;border-radius:8px;padding:8px 12px}.hero-slider{height:320px;margin-top:24px}.two-col,.two-col.reverse,.contact-grid{grid-template-columns:1fr}.product-grid,.resource-grid.clean,.culture-grid.improved,.feature-grid.three,.feature-grid.four,.news-grid{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.float-contact{display:none}}
@media(max-width:760px){.container{padding:0 18px}.hero-slider{height:240px}.section{padding:52px 0}.section-head h2,.page-hero h1{font-size:30px}.product-grid,.resource-grid.clean,.culture-grid.improved,.feature-grid.three,.feature-grid.four,.solution-card-grid,.news-grid,.number-grid,.timeline,.footer-grid{grid-template-columns:1fr}.solution-list div,.contact-card{grid-template-columns:1fr}.footer-qr{flex-wrap:wrap}.qr-panel{grid-template-columns:1fr}.company-photo img{height:auto}}


/* ===== v6 official white-blue homepage style, based on user reference layout ===== */
:root{--brand-blue:#4169e1;--brand-blue-2:#2f5ff0;--nav-text:#142348;--soft-panel:#f4f7ff;--line-soft:#dce7fb;}
html{scroll-behavior:smooth;}
body{padding-top:78px;background:#f8fbff;color:#142348;}
.container{max-width:1600px;}
.site-header{height:78px;background:rgba(255,255,255,.96);border-bottom:1px solid #e7edf8;box-shadow:0 6px 22px rgba(20,44,100,.06);backdrop-filter:blur(10px);}
.header-inner{height:78px;max-width:1600px;padding:0 34px;display:flex;align-items:center;}
.brand{flex:0 0 250px;height:78px;display:flex;align-items:center;justify-content:flex-start;overflow:hidden;}
.brand img{display:block;width:224px;height:60px;max-height:60px;object-fit:contain;object-position:left center;}
.main-nav{height:78px;display:flex;align-items:center;justify-content:center;gap:0;flex:1;}
.nav-item{height:78px;display:flex;align-items:center;position:relative;}
.nav-item>a{height:78px;display:flex;align-items:center;padding:0 20px;color:#172444;font-size:16px;line-height:78px;white-space:nowrap;letter-spacing:.2px;}
.nav-item.active>a,.nav-item:hover>a{color:var(--brand-blue-2);}
.nav-item.active>a:after{content:"";position:absolute;left:20px;right:20px;bottom:0;height:3px;border-radius:3px;background:var(--brand-blue-2);}
.nav-arrow{font-size:14px;margin-left:6px;color:inherit;}
.header-cta{height:48px;line-height:48px;border-radius:8px;background:var(--brand-blue);color:#fff;padding:0 24px;margin-left:20px;box-shadow:0 10px 22px rgba(65,105,225,.20);}
.header-cta:hover{background:#355dde;color:#fff;}
.dropdown{position:absolute;top:78px;left:50%;z-index:60;min-width:260px;width:320px;padding:18px 20px;border:1px solid #e8eef9;border-top:0;border-radius:0 0 16px 16px;background:#fff;box-shadow:0 24px 50px rgba(31,60,125,.14);opacity:0;visibility:hidden;transform:translate(-50%,12px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translate(-50%,0);}
.dropdown a{display:block;padding:11px 12px;border-radius:10px;color:#172444;line-height:1.35;}
.dropdown a:hover{background:#f3f7ff;color:#315fec;}
.dropdown a strong{display:block;font-size:15px;margin-bottom:5px;color:inherit;}
.dropdown a span{display:block;font-size:13px;color:#6b7894;}
.dropdown.mega-menu{width:860px;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:54px;row-gap:14px;padding:26px 34px 28px;display:grid;}
.dropdown.mega-menu a{padding:12px 0 13px 0;}
.dropdown.mega-menu a:hover{background:transparent;}
.dropdown.mega-menu a strong{font-size:18px;font-weight:800;color:#142348;}
.dropdown.mega-menu a:hover strong{color:#315fec;}
.dropdown.mega-menu a span{font-size:14px;color:#6d7892;}
.hero-area{background:linear-gradient(180deg,#f8fbff 0%,#f4f8ff 100%);padding:54px 0 34px;position:relative;overflow:visible;}
.hero-slider{position:relative;max-width:1600px;height:560px;margin:0 auto;border:1px solid #dfe9fb;border-radius:0;background:#eaf2ff;overflow:hidden;box-shadow:0 24px 55px rgba(38,76,160,.10);}
.hero-slider .slides,.hero-slider .slide{height:100%;}
.hero-slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;}
.hero-slider .slide.active{opacity:1;}
.hero-slider .slide img{width:100%;height:100%;object-fit:cover;display:block;}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:54px;height:54px;border:0;border-radius:50%;background:rgba(255,255,255,.94);box-shadow:0 12px 28px rgba(38,76,160,.16);color:#4169e1;font-size:36px;line-height:50px;display:flex;align-items:center;justify-content:center;z-index:8;cursor:pointer;}
.slider-arrow:hover{background:#4169e1;color:#fff;}
.slider-arrow.prev{left:28px}.slider-arrow.next{right:28px}
.slider-dots{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;gap:10px;padding:8px 13px;border-radius:24px;background:rgba(255,255,255,.82);box-shadow:0 10px 24px rgba(38,76,160,.12);z-index:8;}
.slider-dots button{width:14px;height:14px;border:0;border-radius:50%;background:#bdc8e2;cursor:pointer;transition:.2s;}
.slider-dots button.active{background:#e49b3f;width:28px;border-radius:12px;}
.hero-feature-bar{position:relative;z-index:12;margin-top:-34px;background:#fff;border:1px solid #e1e9f7;border-radius:12px;box-shadow:0 22px 50px rgba(32,70,140,.12);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;}
.hero-feature-bar a{display:block;padding:26px 34px;min-height:106px;border-right:1px solid #e4ebf8;color:#172444;background:#fff;}
.hero-feature-bar a:last-child{border-right:0;}
.hero-feature-bar a:hover{background:#f6f9ff;color:#315fec;}
.hero-feature-bar b{display:block;font-size:20px;margin-bottom:10px;font-weight:800;white-space:nowrap;}
.hero-feature-bar span{display:block;font-size:15px;color:#6a7895;line-height:1.5;}
.section{padding:84px 0;}
.section-head h2{font-size:34px;line-height:1.25;}
.product-info h3{font-size:20px;white-space:normal;line-height:1.28;}
.product-info p,.indent{font-size:16px;line-height:1.95;}
.clean-resource{background:#f6f8fc;}
.clean-resource .section-head p{display:none;}
.resource-grid.clean{grid-template-columns:repeat(3,1fr);align-items:stretch;}
.resource-panel{background:#fff;border-radius:0;border:1px solid #e1e8f5;box-shadow:none;min-height:210px;}
.resource-panel h3{font-size:24px;white-space:nowrap;}
.footer-qr img,.qr-panel img{object-fit:contain;}
.footer-qr img{width:128px;height:128px;}
.qr-panel img{width:178px;height:178px;}
.float-contact img{width:96px;height:96px;object-fit:contain;}
.float-contact span{color:#14a565;}
.site-footer{background:#0b1830;}
.footer-brand img{width:230px;height:auto;object-fit:contain;}
@media(max-width:1280px){.container{max-width:1120px}.brand{flex:0 0 210px}.brand img{width:190px}.nav-item>a{padding:0 13px;font-size:15px}.header-cta{padding:0 18px}.hero-slider{height:440px}.dropdown.mega-menu{width:760px}.hero-feature-bar a{padding:22px 22px}.hero-feature-bar b{font-size:18px}}
@media(max-width:1100px){body{padding-top:68px}.site-header,.header-inner{height:68px}.brand{height:68px;flex:0 0 190px}.brand img{width:172px;max-height:52px}.main-nav{top:68px}.nav-item,.nav-item>a{height:auto;line-height:1.3}.dropdown,.dropdown.mega-menu{position:static;transform:none;visibility:visible;opacity:1;width:auto;display:none;box-shadow:none;border:0;border-radius:10px;margin:0;padding:8px 16px;grid-template-columns:1fr}.nav-item:hover .dropdown,.nav-item:hover .dropdown.mega-menu{display:grid;transform:none}.hero-area{padding:30px 18px}.hero-slider{height:360px}.hero-feature-bar{grid-template-columns:repeat(2,1fr);margin-top:16px}.hero-feature-bar a:nth-child(2){border-right:0}.hero-feature-bar a{border-bottom:1px solid #e4ebf8}.main-nav.open{display:block}.main-nav{height:auto}.nav-item.active>a:after{display:none}.menu-btn{display:block;margin-left:auto;border:0;background:#eef4ff;color:var(--brand-blue);font-size:22px;border-radius:8px;padding:8px 12px}}
@media(max-width:760px){.hero-slider{height:260px}.hero-feature-bar{grid-template-columns:1fr}.hero-feature-bar a{border-right:0}.slider-arrow{width:42px;height:42px;font-size:28px}.hero-feature-bar b{font-size:17px}.brand img{width:160px}.header-inner{padding:0 16px}.footer-qr img{width:112px;height:112px}}


/* ===== v7 refined official-tech style ===== */
:root{
  --brand-blue:#1a63ff;
  --brand-blue-2:#2f5ff0;
  --brand-cyan:#18c7ff;
  --nav-text:#13213f;
  --panel:#ffffff;
  --panel-soft:#f5f9ff;
  --line-soft:#dce7fb;
  --glow:0 22px 55px rgba(29,87,200,.14);
}
body{background:linear-gradient(180deg,#f8fbff 0%,#ffffff 46%,#f6faff 100%);color:#172444;}
.site-header{box-shadow:0 8px 28px rgba(17,47,110,.08);border-bottom:1px solid #e5edf9;}
.header-inner{gap:20px;}
.brand{flex:0 0 230px;justify-content:flex-start;overflow:hidden;}
.brand img{width:205px!important;height:54px!important;max-height:54px!important;object-fit:contain;object-position:left center;}
.nav-item>a{gap:8px;font-weight:500;}
.nav-item:hover>a,.nav-item.active>a{color:var(--brand-blue-2);}
.nav-arrow{display:inline-flex!important;align-items:center;justify-content:center;width:22px;height:22px;margin-left:2px;border:1px solid #d4def3;border-radius:6px;background:#fff;color:#162344;font-size:15px;line-height:20px;transition:.2s ease;box-shadow:0 4px 10px rgba(31,75,150,.05);}
.nav-item:hover .nav-arrow,.nav-item.active .nav-arrow{border-color:#1a63ff;background:#eef5ff;color:#1a63ff;transform:translateY(-1px);}
.dropdown{top:78px;left:50%;width:336px;min-width:336px;padding:14px;border:1px solid #dbe7fb;border-top:3px solid var(--brand-blue);border-radius:0 0 18px 18px;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(247,251,255,.98));box-shadow:0 28px 70px rgba(19,56,126,.18);transform:translate(-50%,14px) scale(.98);}
.nav-item:hover .dropdown{transform:translate(-50%,0) scale(1);}
.dropdown:before{content:"";position:absolute;top:-9px;left:50%;width:14px;height:14px;background:#fff;border-left:1px solid #dbe7fb;border-top:1px solid #dbe7fb;transform:translateX(-50%) rotate(45deg);}
.dropdown a{position:relative;display:block;padding:13px 14px 13px 38px;border-radius:12px;white-space:normal;transition:.18s ease;border-left:0;}
.dropdown a:before{content:"";position:absolute;left:15px;top:18px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand-blue),var(--brand-cyan));box-shadow:0 0 0 4px rgba(26,99,255,.10);}
.dropdown a:hover{background:linear-gradient(90deg,#eef5ff,#ffffff);color:var(--brand-blue);transform:translateX(2px);border-left:0;}
.dropdown a strong{font-weight:800;color:#142348;font-size:15.5px;letter-spacing:.1px;}
.dropdown a span{font-size:13px;color:#687792;margin-top:4px;line-height:1.45;}
.dropdown.mega-menu{width:900px;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 26px;padding:24px 30px 26px;border-radius:0 0 20px 20px;background:linear-gradient(135deg,#ffffff 0%,#f5f9ff 100%);}
.dropdown.mega-menu a{padding:14px 16px 14px 42px;border-radius:14px;}
.dropdown.mega-menu a:hover{background:#edf4ff;}
.dropdown.mega-menu a strong{font-size:17px;white-space:nowrap;}
.dropdown.mega-menu a span{font-size:13.5px;}
.header-cta{border-radius:9px;background:linear-gradient(135deg,#3467ff,#254edb);box-shadow:0 12px 26px rgba(47,95,240,.24);font-weight:700;}
.hero-area{padding-top:44px;background:radial-gradient(circle at 12% 0%,rgba(40,117,255,.10),transparent 32%),linear-gradient(180deg,#f9fbff,#f4f8ff);}
.hero-slider{border-radius:4px;border:1px solid #dbe7fb;box-shadow:0 26px 70px rgba(28,74,168,.16);background:#eaf2ff;}
.hero-slider:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(8,31,83,.06),transparent 26%,transparent 70%,rgba(22,83,190,.05));}
.hero-slider .slide img{filter:saturate(1.10) contrast(1.04);}
.hero-feature-bar{border-radius:16px;box-shadow:0 24px 60px rgba(29,71,152,.16);}
.hero-feature-bar a{position:relative;background:#fff;}
.hero-feature-bar a:before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;background:linear-gradient(180deg,transparent,var(--brand-blue),transparent);opacity:0;transition:.2s;}
.hero-feature-bar a:hover:before{opacity:1;}
.section-head span{background:#eef5ff;color:#2f5ff0;}
.section-head h2{letter-spacing:-.3px;}
.product-card,.resource-panel,.culture-board div,.feature-grid div,.solution-card-grid div,.news-grid article,.number-item,.image-card,.image-wide{box-shadow:0 16px 44px rgba(31,77,161,.08);border-color:#dfe9f8;}
.product-card:hover{box-shadow:0 26px 60px rgba(28,82,190,.16);}
.product-thumb{background:linear-gradient(135deg,#edf5ff,#f9fbff);}
.product-thumb img,.image-card img,.image-wide img{filter:saturate(1.08) contrast(1.04);}
.number-grid{gap:14px;}
.number-item{background:linear-gradient(180deg,#fff,#f8fbff);border-radius:14px;}
.number-item b{font-weight:900;color:#1a63ff;}
.clean-resource{background:linear-gradient(180deg,#f5f8fc,#eef5ff);}
.resource-panel{border-radius:18px;position:relative;overflow:hidden;}
.resource-panel:after{content:"";position:absolute;right:-48px;bottom:-48px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(26,99,255,.12),transparent 70%);}
.site-footer{background:linear-gradient(135deg,#07152d,#0d2248 60%,#081b3b);}
.footer-brand img{background:#fff;border-radius:10px;padding:8px;}
.float-contact{border-radius:16px;box-shadow:0 22px 55px rgba(28,75,170,.18);}
.float-contact span{color:#1a63ff;}
@media(max-width:1280px){.dropdown.mega-menu{width:760px}.brand{flex-basis:205px}.brand img{width:186px!important;height:50px!important}.nav-arrow{width:20px;height:20px}}
@media(max-width:1100px){.dropdown:before{display:none}.dropdown,.dropdown.mega-menu{transform:none!important;width:auto!important;min-width:0!important;border-top:0}.dropdown a{padding-left:34px}.brand img{width:168px!important;height:48px!important}}

/* ===== v8 nav arrow button refinement: keep original layout, improve alignment ===== */
.main-nav .nav-item > a{
  display:flex!important;
  align-items:center!important;
  justify-content:center;
  gap:6px!important;
}
.main-nav .nav-arrow{
  position:relative;
  top:0;
  flex:0 0 22px;
  width:22px!important;
  height:22px!important;
  margin-left:2px!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  vertical-align:middle;
  font-size:0!important;
  line-height:0!important;
  color:transparent!important;
  border:1px solid #d8e3f8!important;
  border-radius:7px!important;
  background:linear-gradient(180deg,#ffffff 0%,#f7faff 100%)!important;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.82),0 4px 12px rgba(29,72,150,.08)!important;
  transform:none!important;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.main-nav .nav-arrow::after{
  content:"";
  width:6px;
  height:6px;
  border-right:1.8px solid #53617c;
  border-bottom:1.8px solid #53617c;
  transform:rotate(45deg) translate(-1px,-1px);
  transform-origin:center;
  transition:border-color .18s ease;
}
.main-nav .nav-item:hover .nav-arrow,
.main-nav .nav-item.active .nav-arrow{
  border-color:#93afff!important;
  background:linear-gradient(180deg,#f8fbff 0%,#edf4ff 100%)!important;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.92),0 6px 16px rgba(38,86,210,.13)!important;
  transform:none!important;
}
.main-nav .nav-item:hover .nav-arrow::after,
.main-nav .nav-item.active .nav-arrow::after{
  border-color:#2f5ff0;
}
@media(max-width:1280px){
  .main-nav .nav-arrow{width:20px!important;height:20px!important;flex-basis:20px;}
  .main-nav .nav-arrow::after{width:5.5px;height:5.5px;}
}
@media(max-width:1100px){
  .main-nav .nav-item > a{justify-content:flex-start!important;}
  .main-nav .nav-arrow{margin-left:6px!important;}
}