/* =========================
   RESET
========================= */


*{

margin:0;

padding:0;

box-sizing:border-box;

}



html{

scroll-behavior:smooth;

}



body{

font-family:Arial,Helvetica,sans-serif;

color:#333;

line-height:1.6;

}



img{

max-width:100%;

display:block;

}



a{

text-decoration:none;

color:inherit;

}



.container{

width:1200px;

max-width:90%;

margin:auto;

}





/* =========================
   HEADER
========================= */


.site-header{

position:sticky;
top:0;
z-index:1000;

background:#fff;

padding:15px 0;

border-bottom:1px solid #eee;

}



.header-wrapper{

display:flex;

align-items:center;

justify-content:space-between;

}





.logo a{

font-size:30px;

font-weight:700;

color:#1e3a8a;

}





.main-nav{

display:flex;

align-items:center;

gap:28px;

}





.main-nav a{

color:#333;

font-size:16px;

font-weight:500;

}





.main-nav a:hover{

color:#0ea5e9;

}





/* PRODUCTS DROPDOWN */


.nav-dropdown{

position:relative;

}




.nav-dropdown>a span{

font-size:14px;

margin-left:5px;

}



.dropdown-menu{
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    width:280px;
    background:#fff;
    box-shadow:0 10px 30px rgba(0,0,0,.12);
    border-radius:8px;
    padding:15px;
    z-index:999;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(6px);
    transition:opacity .18s ease, transform .18s ease, visibility .18s;
    max-height:70vh;
    overflow-y:auto;
}

/* hover bridge：覆盖链接与菜单之间的间隙，消除鼠标断点 */
.nav-dropdown::after{
    content:"";
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    height:12px;
}

.dropdown-menu a{
    display:block;
    padding:10px 5px;
    font-size:15px;
}

.dropdown-menu a:hover{
    background:#f1f5f9;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown.is-open .dropdown-menu{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:translateY(0);
}





/* HEADER BUTTON */


.header-btn{
padding:10px 22px;

font-size:15px;
background:#0ea5e9;

color:white;

border-radius:8px;

font-weight:600;

}


.header-btn:hover{

background:#0284c7;

}




/* ============================================================
   HEADER 增强：active 高亮 / 汉堡菜单 / 移动端导航
   ============================================================ */

.header-wrapper{
    position:relative;
}

.main-nav a.active{
    color:#0ea5e9;
}

.dropdown-all{
    font-weight:700;
    border-top:1px solid #eee;
    margin-top:5px;
}

/* 汉堡按钮：桌面隐藏 */
.hamburger{
    display:none;
    flex-direction:column;
    justify-content:center;
    gap:5px;
    width:44px;
    height:44px;
    padding:10px;
    background:none;
    border:none;
    cursor:pointer;
}

.hamburger span{
    display:block;
    width:100%;
    height:2px;
    background:#1e3a8a;
    border-radius:2px;
    transition:.2s;
}

/* 移动端导航 */
@media(max-width:768px){
    .hamburger{
        display:flex;
    }

    .main-nav{
        position:absolute;
        top:100%;
        left:0;
        right:0;
        flex-direction:column;
        align-items:stretch;
        gap:0;
        background:#fff;
        border-bottom:1px solid #eee;
        box-shadow:0 10px 30px rgba(0,0,0,.1);
        display:none;
    }

    .main-nav.open{
        display:flex;
    }

    .main-nav > a,
    .nav-dropdown > a{
        padding:14px 20px;
        border-bottom:1px solid #f1f5f9;
    }

    .dropdown-menu{
        position:static;
        width:100%;
        box-shadow:none;
        border-radius:0;
        padding:0 0 0 20px;
        opacity:0;
        visibility:hidden;
        pointer-events:none;
        max-height:0;
        overflow:hidden;
        transform:none;
        transition:opacity .15s ease, max-height .2s ease;
    }

    .nav-dropdown.is-open .dropdown-menu,
    .nav-dropdown:focus-within .dropdown-menu{
        opacity:1;
        visibility:visible;
        pointer-events:auto;
        max-height:60vh;
    }

    .header-btn{
        display:none;
    }
}

/* =========================
   FOOTER
========================= */

.site-footer{

margin-top:0;

padding:80px 0 25px;

background:#0f172a;

color:#fff;

}


.footer-grid{

display:grid;

grid-template-columns:2fr 1fr 1.4fr 1.4fr;

gap:60px;

padding-bottom:55px;

}


.footer-column{

min-width:0;

}


.footer-column h2{

margin-bottom:22px;

color:#fff;

font-size:32px;

}


.footer-column h3{

margin-bottom:24px;

color:#fff;

font-size:24px;

}


.footer-column p{

margin-bottom:18px;

color:#cbd5e1;

font-size:16px;

line-height:1.8;

}


.footer-company > p{

max-width:520px;

}


.footer-column ul{

margin:0;

padding:0;

list-style:none;

}


.footer-column li{

margin-bottom:13px;

}


.footer-column li a,
.footer-contact a{

color:#cbd5e1;

transition:color .2s ease;

}


.footer-column li a:hover,
.footer-contact a:hover{

color:#38bdf8;

}


.footer-contact strong{

display:block;

margin-bottom:4px;

color:#fff;

font-size:15px;

}


.footer-social{

display:flex;

align-items:center;

gap:14px;

}


.footer-social a{

display:flex;

align-items:center;

justify-content:center;

width:44px;

height:44px;

border:1px solid rgba(255,255,255,.22);

border-radius:50%;

background:#111;

color:#fff;

font-size:17px;

font-weight:700;

transition:.25s;

}


.footer-social a:hover{

border-color:#0ea5e9;

background:#0ea5e9;

transform:translateY(-3px);

}


.footer-bottom{

display:flex;

align-items:center;

justify-content:space-between;

gap:30px;

padding-top:25px;

border-top:1px solid rgba(255,255,255,.12);

}


.footer-bottom p{

margin:0;

color:#94a3b8;

font-size:14px;

}




/* =========================
   HERO BANNER
========================= */


.hero{

width:100%;

overflow:hidden;

}


.hero-banner-image{


width:100%;

height:auto;

display:block;


}






/* =========================
WHY CHOOSE
========================= */


.why-us{

padding:80px 0;

}



.why-us h2{

text-align:left;

font-size:42px;

margin-bottom:20px;

font-weight:700;

}



.why-us .section-desc{

text-align:left;

max-width:700px;


margin-left:0;


margin-right:0;

margin-bottom:50px;

color:#666;

}



.features{


display:grid;

grid-template-columns:repeat(4,1fr);

gap:25px;

}




.feature-item{


background:#f5f7fb;

padding:35px 30px;

border-radius:20px;

transition:.3s;


}



.feature-item:hover{


transform:translateY(-8px);

box-shadow:0 15px 35px rgba(0,0,0,.08);


}




.feature-icon{


width:70px;

height:70px;


background:#111;


border-radius:50%;


display:flex;

align-items:center;

justify-content:center;


font-size:32px;


margin-bottom:25px;


}



.feature-item h3{


font-size:22px;

margin-bottom:15px;


}



.feature-item p{


font-size:16px;

line-height:1.7;

color:#555;


}


.feature-item{

padding:35px 25px;

background:#f8fafc;

border-radius:12px;

text-align:center;

}



.feature-number{

font-size:36px;

font-weight:700;

color:#0ea5e9;

margin-bottom:20px;

}



.feature-item h3{

font-size:22px;

margin-bottom:15px;

}



.feature-item p{

color:#666;

}








/* =========================
   PRODUCTS
========================= */


.products-section{

padding:72px 0;

background:#f8fafc;

}





.product-row{

display:flex;

align-items:center;

gap:44px;

margin-bottom:48px;

}

/* 奇数产品桌面端反向（内容左、图片右），保持左右交替 */
.product-row.is-reversed{

flex-direction:row-reverse;

}





.product-image{

width:50%;

height:450px;


}



.product-image-box{


height:450px;

background:#fff;

border-radius:20px;

overflow:hidden;

}





.product-image-box img{

width:110%;

height:110%;

object-fit:contain;

}





.image-placeholder{

width:100%;

height:350px;

background:

linear-gradient(
135deg,
#dbeafe,
#bfdbfe
);

border-radius:20px;

display:flex;

align-items:center;

justify-content:center;

font-size:24px;

color:#64748b;

}





.product-content{

width:50%;

}





.product-content h3{

font-size:28px;

margin-bottom:20px;

}



.product-content h3 a{

color:#222;

}



.product-content h3 a:hover{

color:#0ea5e9;

}



.product-content p{

font-size:17px;

line-height:1.8;

color:#555;

}





.product-btn{

display:inline-block;

margin-top:25px;

padding:12px 30px;

background:#0ea5e9;

color:white;

border-radius:6px;

}



.product-btn:hover{

background:#0284c7;

}





.product-image:hover img{

transform:scale(1.03);

transition:.3s;
}
.product-image-box img{

transition:.4s;

}


.product-image-box:hover img{

transform:scale(1.05);

}

/* =========================
   PRODUCT GALLERY
========================= */

.product-gallery{

width:50%;

}


.main-product-image{

width:100%;

height:520px;

background:#f8fafc;

border-radius:20px;

overflow:hidden;

display:flex;

align-items:center;

justify-content:center;

}


.main-product-image img{

width:100%;

height:100%;

object-fit:contain;

}


.thumbnail-list{

display:flex;

flex-wrap:wrap;

gap:12px;

margin-top:18px;

}


.thumbnail-list img{

width:90px;

height:90px;

object-fit:cover;

border-radius:10px;

cursor:pointer;

border:1px solid #e2e8f0;

transition:.2s;

}


.thumbnail-list img:hover{

border-color:#0ea5e9;

transform:translateY(-2px);

}
/* =========================
   PRODUCT DETAIL
========================= */


.product-detail{

padding:25px 0 80px;

}




.product-top{

display:flex;

gap:60px;

align-items:center;

margin-bottom:80px;

}




.product-main-image{

width:50%;

}




.product-main-image img{

width:100%;

height:450px;

object-fit:contain;

background:#dcecff;

border-radius:20px;

}





.detail-image-placeholder{

width:100%;

height:450px;

background:

linear-gradient(
135deg,
#dbeafe,
#bfdbfe
);

border-radius:20px;

display:flex;

align-items:center;

justify-content:center;

font-size:28px;

color:#64748b;

}




.product-summary{

width:50%;

}




.product-summary h1{

font-size:42px;

line-height:1.3;

margin-bottom:30px;

}




.product-summary p{

font-size:20px;

line-height:1.8;

color:#555;

}





.product-inquiry-btn{

display:inline-block;

margin-top:30px;

padding:15px 40px;

background:#0ea5e9;

color:white;

border-radius:6px;

}





.product-section{

margin-bottom:45px;

}





.product-section h2{

font-size:34px;

margin-bottom:25px;

}




.product-section p{

font-size:17px;

line-height:1.8;

color:#555;

}





/* Technical Table */






/* =========================
PRODUCT TOP UPDATE
========================= */



.breadcrumb{

margin-bottom:30px;

font-size:15px;

color:#64748b;

}


.breadcrumb a{

color:#0ea5e9;

}




.product-intro{

font-size:18px;

line-height:1.8;

color:#555;

margin-top:25px;

}





.product-highlights{

margin-top:25px;

}


.product-highlights div{

font-size:16px;

line-height:2;

color:#334155;

}





.product-meta{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:15px;

margin-top:30px;

margin-bottom:20px;

}



.meta-item{

background:#f8fafc;

padding:15px;

border-radius:10px;

}



.meta-item span{

display:block;

font-size:14px;

color:#64748b;

margin-bottom:5px;

}



.meta-item strong{

font-size:16px;

color:#0f172a;

}






.main-product-image{

height:520px;

}



.main-product-image img{

width:100%;

height:100%;

object-fit:contain;

}





.thumbnail-list img{

width:90px;

height:90px;

}







/* =========================
   APPLICATIONS
========================= */


.applications{

padding:90px 0;

background:#fff;

}




.application-grid{

display:grid;

grid-template-columns:repeat(4,1fr);

gap:30px;

margin-top:50px;

}





.application-card{

padding:40px 25px;

background:

linear-gradient(
135deg,
#eff6ff,
#dbeafe
);

border-radius:12px;

text-align:center;

}





.application-card h3{

font-size:24px;

margin-bottom:15px;

}





.application-card p{

color:#555;

}







/* =========================
   FAQ
========================= */


.faq-section{

padding:90px 0;

background:#f8fafc;

}





.faq-list{

max-width:900px;

margin:50px auto 0;

}





.faq-item{

background:white;

margin-bottom:15px;

border-radius:10px;

padding:25px;

}





.faq-item h3{

font-size:20px;

margin-bottom:15px;

}





.faq-item p{

color:#555;

line-height:1.8;

}








/* =========================
   CONTACT
========================= */


.contact-section{

padding:90px 0;

background:#fff;

}




.contact-title{

text-align:center;

margin-bottom:60px;

}





.contact-title p{

font-size:18px;

color:#666;

}




.contact-wrapper{

display:flex;

gap:60px;

}





.contact-info{

width:40%;

background:#f8fafc;

padding:40px;

border-radius:12px;

}





.contact-info h3{

font-size:30px;

margin-bottom:20px;

}





.contact-info p{

color:#555;

line-height:1.8;

}


.contact-info a{

color:#2193b0;

font-weight:600;

text-decoration:none;

}


.contact-info a:hover{

color:#6dd5ed;

}





.contact-form{

width:60%;

}





.contact-form input,

.contact-form textarea{

width:100%;

padding:15px;

margin-bottom:20px;

border:1px solid #ddd;

border-radius:6px;

font-size:16px;

}





.contact-form textarea{

height:150px;

resize:none;

}





.contact-form button{

padding:14px 35px;

background:#0ea5e9;

color:white;

border:none;

border-radius:6px;

cursor:pointer;

font-size:16px;

}





.contact-form button:hover{

background:#0284c7;

}








/* =========================
   MOBILE RESPONSIVE
========================= */


@media(max-width:768px){



.container{

max-width:90%;

}



.hero{

height:600px;

}



.hero-overlay{

margin-left:0;

padding:20px;

}



.hero h1{

font-size:32px;

}



.hero p{

font-size:16px;

}




.features{

grid-template-columns:1fr;

}




.product-row{

flex-direction:column;

gap:30px;

}

.product-row.is-reversed{

flex-direction:column;

}




.product-image,

.product-content{

width:100%;

}




.product-image{

height:auto;

}



.product-image-box{

height:300px;

}





.product-top{

flex-direction:column;

}




.product-main-image,

.product-summary{

width:100%;

}





.product-main-image img{

height:350px;

}





.product-summary h1{

font-size:32px;

}





.application-grid{

grid-template-columns:1fr;

}





.contact-wrapper{

flex-direction:column;

}





.contact-info,

.contact-form{

width:100%;

}



}



/* =========================
   PRODUCT FEATURES
========================= */

.feature-list{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:16px;

margin-top:25px;

}


.feature-box{

background:#f8fafc;

padding:18px 22px;

border:1px solid #e2e8f0;

border-radius:12px;

font-size:16px;

line-height:1.6;

color:#334155;

transition:.25s;

}


.feature-box:hover{

background:#f0f9ff;

border-color:#bae6fd;

transform:translateY(-2px);

}




.product-thumbnails{

display:flex;

gap:15px;

margin-top:20px;

}



.product-thumbnails img{

width:90px;

height:70px;

object-fit:cover;

border-radius:8px;

cursor:pointer;

border:1px solid #ddd;

}



.product-thumbnails img:hover{

border:2px solid #0ea5e9;

}
.product-meta{

margin-top:25px;

font-size:16px;

line-height:2;

color:#555;

}


.product-meta strong{

color:#222;

}



.gallery-grid{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:25px;

margin-top:30px;

}



.gallery-grid img{

width:100%;

height:300px;

object-fit:contain;

background:#f8fafc;

border-radius:12px;

padding:10px;

}




/* ================= PRODUCTS PAGE ================= */


.products-hero{

padding:90px 0;

background:linear-gradient(
135deg,
#1e3a8a,
#0ea5e9
);

color:white;

text-align:center;

}



.products-hero h1{

font-size:48px;

margin-bottom:20px;

}



.products-hero p{

font-size:20px;

}




.products-list{

padding:70px 0;

}



.products-list h2{

text-align:center;

font-size:42px;

margin-bottom:20px;

}




.product-grid{

display:grid;

grid-template-columns:repeat(3,1fr);

gap:40px;

margin-top:60px;

}



.product-card{

background:white;

border-radius:8px;

border:1px solid #eee;

transition:.3s;

padding:25px;

box-shadow:0 10px 30px rgba(0,0,0,0.08);

}



.card-image{

height:300px;

background:#f8fafc;

border-radius:12px;

overflow:hidden;

}



.card-image img{

width:100%;

height:100%;

object-fit:contain;

}



.product-card h3{

font-size:24px;

margin:25px 0 15px;

}



.product-card a{

text-decoration:none;

color:#222;

}



.product-card p{

color:#666;

line-height:1.7;

}



.product-card .product-btn{

display:inline-block;

margin-top:20px;

padding:12px 30px;

background:#0ea5e9;

color:white;

border-radius:6px;

}
/* ================= SEO CONTENT ================= */


.seo-content{

padding:80px 0;

background:#ffffff;

}



.seo-content h2{

text-align:center;

font-size:36px;

margin-bottom:30px;

color:#222;

}



.seo-content p{

max-width:900px;

margin:0 auto 20px;

font-size:17px;

line-height:1.8;

color:#555;

text-align:center;

}

/* Product Quote Button */


.product-inquiry-btn{


display:inline-block;

margin-top:35px;

padding:16px 45px;

background:#0ea5e9;

color:white;

font-size:18px;

font-weight:600;

border-radius:8px;

text-decoration:none;

transition:.3s;


}



.product-inquiry-btn:hover{


background:#0284c7;

transform:translateY(-3px);

box-shadow:0 10px 20px rgba(0,0,0,.15);


}
/* Technical Table */

/* =========================
   TECHNICAL DATA
========================= */

.technical-table{

width:100%;

margin-top:25px;

border-collapse:separate;

border-spacing:0;

background:#fff;

border:1px solid #e2e8f0;

border-radius:14px;

overflow:hidden;

}


.technical-table td{

padding:18px 22px;

border:0;

border-bottom:1px solid #e2e8f0;

font-size:16px;

}


.technical-table tr:last-child td{

border-bottom:0;

}


.technical-table td:first-child{

width:28%;

background:#f8fafc;

color:#334155;

font-weight:700;

}


.technical-table td:last-child{

color:#475569;

}


.technical-table tr:hover td{

background:#f0f9ff;

}








.whatsapp-btn{


position:fixed;

right:30px;

bottom:30px;

background:#25D366;

color:white;

padding:15px 25px;

border-radius:50px;

font-weight:600;

text-decoration:none;

box-shadow:0 5px 15px rgba(0,0,0,.2);

z-index:999;


}
/* =========================
   PRODUCT INQUIRY FORM
========================= */

.inquiry-section{

margin-top:70px;

padding:50px;

background:#f8fafc;

border:1px solid #e2e8f0;

border-radius:20px;

}

.inquiry-heading{

max-width:760px;

margin-bottom:30px;

}


.section-label{

display:inline-block;

margin-bottom:10px;

color:#0284c7;

font-size:14px;

font-weight:700;

letter-spacing:.08em;

text-transform:uppercase;

}


.inquiry-heading h2{

margin:0 0 14px;

font-size:34px;

color:#0f172a;

}


.inquiry-heading p{

margin:0;

line-height:1.8;

color:#64748b;

}


.quote-form{

margin-top:30px;

}


.form-row{

display:grid;

grid-template-columns:repeat(2, minmax(0, 1fr));

gap:20px;

}


.form-group{

margin-bottom:22px;

}


.form-group label{

display:block;

margin-bottom:9px;

color:#334155;

font-size:15px;

font-weight:600;

}


.form-group label span{

color:#dc2626;

}


.quote-form input,
.quote-form textarea{

width:100%;

box-sizing:border-box;

padding:14px 16px;

border:1px solid #cbd5e1;

border-radius:9px;

background:#fff;

color:#0f172a;

font-family:inherit;

font-size:15px;

outline:none;

transition:border-color .2s ease,
box-shadow .2s ease;

}


.quote-form input:focus,
.quote-form textarea:focus{

border-color:#0ea5e9;

box-shadow:0 0 0 4px rgba(14,165,233,.12);

}


.quote-form textarea{

min-height:170px;

resize:vertical;

line-height:1.7;

}


.quote-submit-btn{

display:inline-flex;

align-items:center;

justify-content:center;

min-width:180px;

padding:15px 32px;

border:0;

border-radius:9px;

background:#0ea5e9;

color:#fff;

font-size:16px;

font-weight:700;

cursor:pointer;

transition:background .2s ease,
transform .2s ease,
box-shadow .2s ease;

}


.quote-submit-btn:hover{

background:#0284c7;

transform:translateY(-2px);

box-shadow:0 10px 24px rgba(14,165,233,.24);

}


.form-privacy-note{

margin:15px 0 0;

color:#64748b;

font-size:13px;

}


.form-message{

margin:20px 0;

padding:14px 16px;

border-radius:8px;

font-size:15px;

}


.form-error{

border:1px solid #fecaca;

background:#fef2f2;

color:#b91c1c;

}


/* 防垃圾蜜罐字段 */

.website-field{

position:absolute;

left:-9999px;

width:1px;

height:1px;

overflow:hidden;

}


/* =========================
   THANK YOU PAGE
========================= */

.thank-you-section{

padding:100px 0;

background:#f8fafc;

}


.thank-you-card{

max-width:760px;

margin:0 auto;

padding:60px 45px;

border:1px solid #e2e8f0;

border-radius:22px;

background:#fff;

text-align:center;

box-shadow:0 18px 50px rgba(15,23,42,.08);

}


.thank-you-icon{

display:flex;

align-items:center;

justify-content:center;

width:70px;

height:70px;

margin:0 auto 25px;

border-radius:50%;

background:#dcfce7;

color:#16a34a;

font-size:36px;

font-weight:700;

}


.thank-you-card h1{

margin-bottom:18px;

font-size:38px;

color:#0f172a;

}


.thank-you-card h2{

margin:18px 0;

color:#0284c7;

font-size:24px;

}


.thank-you-card p{

color:#64748b;

line-height:1.8;

}


.thank-you-actions{

display:flex;

justify-content:center;

flex-wrap:wrap;

gap:15px;

margin-top:35px;

}


.thank-you-primary-btn,
.thank-you-secondary-btn{

display:inline-block;

padding:14px 25px;

border-radius:8px;

font-weight:700;

text-decoration:none;

}


.thank-you-primary-btn{

background:#0ea5e9;

color:#fff;

}


.thank-you-secondary-btn{

border:1px solid #cbd5e1;

background:#fff;

color:#334155;

}


@media(max-width:768px){

.inquiry-section{

padding:28px 20px;

}


.form-row{

grid-template-columns:1fr;

gap:0;

}


.inquiry-heading h2{

font-size:28px;

}


.thank-you-section{

padding:60px 16px;

}


.thank-you-card{

padding:40px 20px;

}


.thank-you-card h1{

font-size:30px;

}

}

/* =========================
APPLICATIONS
========================= */


.applications{

padding:80px 0;

}



.applications h2{

font-size:42px;

margin-bottom:20px;

}



.application-grid{


display:grid;

grid-template-columns:repeat(4,1fr);

gap:25px;


}



.application-card{


background:white;

border-radius:20px;

overflow:hidden;

box-shadow:0 10px 30px rgba(0,0,0,.08);

transition:.3s;


}



.application-card:hover{


transform:translateY(-8px);


}



.application-card img{


width:100%;

height:220px;

object-fit:cover;


}



.application-content{


padding:25px;


}



.application-content h3{


font-size:24px;

margin-bottom:15px;


}



.application-content p{


color:#666;

line-height:1.6;


}

/* =========================
   HOME ABOUT
========================= */

.home-about{

padding:90px 0;

background:#f8fafc;

}


.home-about-wrapper{

display:flex;

align-items:center;

gap:70px;

}


.home-about-image{

width:50%;

}


.home-about-image img{

width:100%;

height:460px;

object-fit:cover;

border-radius:20px;

box-shadow:0 18px 45px rgba(15,23,42,.12);

}


.home-about-content{

width:50%;

}


.about-label{

display:inline-block;

margin-bottom:12px;

color:#0ea5e9;

font-size:14px;

font-weight:700;

letter-spacing:.08em;

text-transform:uppercase;

}


.home-about-content h2{

margin-bottom:25px;

font-size:40px;

line-height:1.3;

color:#0f172a;

}


.home-about-content p{

margin-bottom:18px;

font-size:17px;

line-height:1.8;

color:#555;

}


.about-btn{

display:inline-block;

margin-top:12px;

padding:14px 30px;

background:#0ea5e9;

color:white;

border-radius:8px;

font-weight:600;

transition:.3s;

}


.about-btn:hover{

background:#0284c7;

transform:translateY(-2px);

box-shadow:0 10px 24px rgba(14,165,233,.22);

}


@media(max-width:768px){

.home-about-wrapper{

flex-direction:column;

gap:35px;

}


.home-about-image,
.home-about-content{

width:100%;

}


.home-about-image img{

height:auto;

}


.home-about-content h2{

font-size:30px;

}

}

/* =========================
   ABOUT PAGE
========================= */

.about-hero{
    padding:100px 0;
    background:linear-gradient(135deg,#1e3a8a,#0ea5e9);
    color:#fff;
    text-align:center;
}

.about-hero h1{
    margin-bottom:18px;
    font-size:52px;
    line-height:1.2;
}

.about-hero p{
    font-size:20px;
}


.about-introduction{
    padding:90px 0;
}

.about-introduction-wrapper{
    display:flex;
    align-items:center;
    gap:70px;
}

.about-introduction-image,
.about-introduction-content{
    width:50%;
}

.about-introduction-image img{
    width:100%;
    height:460px;
    object-fit:cover;
    border-radius:20px;
    box-shadow:0 18px 45px rgba(15,23,42,.12);
}

.about-introduction-content h2{
    margin-bottom:25px;
    color:#0f172a;
    font-size:40px;
    line-height:1.3;
}

.about-introduction-content p{
    margin-bottom:18px;
    color:#555;
    font-size:17px;
    line-height:1.8;
}

.about-capabilities{
    padding:90px 0;
    background:#f8fafc;
}

.about-capabilities h2,
.about-industries h2{
    margin-bottom:20px;
    font-size:42px;
    text-align:center;
}

.about-capability-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
    margin-top:50px;
}

.about-capability-card{
    padding:32px 26px;
    border-radius:16px;
    background:#fff;
    box-shadow:0 10px 30px rgba(15,23,42,.07);
}

.about-capability-card h3{
    margin-bottom:14px;
    font-size:22px;
}

.about-capability-card p{
    color:#64748b;
    line-height:1.7;
}




.about-industries{
    padding:90px 0;
    background:#f8fafc;
}

.about-industry-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:25px;
    margin-top:45px;
}

.about-industry-item{
    padding:30px 20px;
    border-radius:14px;
    background:#fff;
    color:#0f172a;
    font-size:20px;
    font-weight:700;
    text-align:center;
    box-shadow:0 8px 24px rgba(15,23,42,.06);
}


.about-cta{
    padding:90px 0;
    background:#0f172a;
    color:#fff;
    text-align:center;
}

.about-cta h2{
    margin-bottom:18px;
    font-size:40px;
}

.about-cta p{
    margin-bottom:30px;
    color:#cbd5e1;
    font-size:18px;
}

.about-cta-btn{
    display:inline-block;
    padding:15px 32px;
    border-radius:8px;
    background:#0ea5e9;
    color:#fff;
    font-weight:700;
}

.about-cta-btn:hover{
    background:#0284c7;
}


@media(max-width:768px){

    .about-hero{
        padding:70px 0;
    }

    .about-hero h1{
        font-size:38px;
    }

    .about-introduction-wrapper{
        flex-direction:column;
        gap:35px;
    }

    .about-introduction-image,
.about-introduction-content{
    width:100%;
}

    .about-introduction-image img{
        height:auto;
    }

    .about-introduction-content h2{
        font-size:30px;
    }

    .about-capability-grid,
    .about-industry-grid{
        grid-template-columns:1fr;
    }

    .about-cta h2{
        font-size:30px;
    }
    /* Factory Gallery 手机端 */

.factory-gallery-grid{

    grid-template-columns:repeat(2,1fr);

    gap:18px;

}
}


/* =========================
   FOOTER MOBILE
========================= */

@media(max-width:768px){


.footer-grid{

grid-template-columns:1fr;

gap:38px;

}


.footer-bottom{

flex-direction:column;

align-items:flex-start;

gap:10px;

}


.site-footer{

padding:60px 0 25px;

}


.footer-company > p{

max-width:none;

}


}


/* =========================
   FACTORY GALLERY
========================= */

.factory-gallery{

    padding:40px 0 90px;

    background:#fff;

}

.factory-gallery-grid{

    display:grid;

    grid-template-columns:repeat(4,1fr);

    gap:25px;

}

.factory-gallery-item{

    border-radius:18px;

    overflow:hidden;

    background:#fff;

    box-shadow:0 10px 30px rgba(0,0,0,.08);

    transition:.35s;

}

.factory-gallery-item img{

    width:100%;

    aspect-ratio:1/1;

    object-fit:cover;

    display:block;

    transition:.35s;

}

.factory-gallery-item:hover{

    transform:translateY(-8px);

    box-shadow:0 18px 45px rgba(0,0,0,.12);

}

.factory-gallery-item:hover img{

    transform:scale(1.06);

}


/* =========================
   CONTACT PAGE
========================= */

.contact-page-hero{
    padding:100px 0;
    background:linear-gradient(135deg,#1e3a8a,#0ea5e9);
    color:#fff;
    text-align:center;
}

.contact-page-hero h1{
    margin-bottom:18px;
    font-size:52px;
    line-height:1.2;
}

.contact-page-hero p{
    font-size:20px;
}


.contact-page{
    padding:90px 0;
    background:#f8fafc;
}

.contact-page-wrapper{
    display:flex;
    align-items:flex-start;
    gap:60px;
}

.contact-page-info,
.contact-page-form{
    width:50%;
}

.contact-page-info{
    padding:45px;
    border-radius:20px;
    background:#0f172a;
    color:#fff;
}

.contact-page-label{
    display:inline-block;
    margin-bottom:12px;
    color:#38bdf8;
    font-size:14px;
    font-weight:700;
    letter-spacing:.08em;
    text-transform:uppercase;
}

.contact-page-info h2{
    margin-bottom:20px;
    font-size:38px;
    line-height:1.3;
}

.contact-page-info > p{
    margin-bottom:35px;
    color:#cbd5e1;
    line-height:1.8;
}

.contact-info-item{
    margin-bottom:28px;
}

.contact-info-item h3{
    margin-bottom:7px;
    font-size:17px;
    color:#fff;
}

.contact-info-item p,
.contact-info-item a{
    color:#cbd5e1;
    line-height:1.7;
}

.contact-info-item a:hover{
    color:#38bdf8;
}

.contact-info-note{
    margin-top:35px;
    padding:18px;
    border:1px solid rgba(255,255,255,.15);
    border-radius:10px;
    background:rgba(255,255,255,.06);
    color:#cbd5e1;
    line-height:1.7;
}


.contact-page-form{
    padding:45px;
    border:1px solid #e2e8f0;
    border-radius:20px;
    background:#fff;
    box-shadow:0 18px 45px rgba(15,23,42,.08);
}

.contact-page-form > h2{
    margin-bottom:10px;
    color:#0f172a;
    font-size:38px;
}

.contact-page-form > p{
    margin-bottom:25px;
    color:#64748b;
    line-height:1.7;
}


@media(max-width:768px){

    .contact-page-hero{
        padding:70px 0;
    }

    .contact-page-hero h1{
        font-size:38px;
    }

    .contact-page-wrapper{
        flex-direction:column;
        gap:30px;
    }

    .contact-page-info,
    .contact-page-form{
        width:100%;
        padding:30px 22px;
    }

    .contact-page-info h2,
    .contact-page-form > h2{
        font-size:30px;
    }

}

/* =========================
   PRODUCT DETAIL MOBILE
========================= */

@media(max-width:768px){

.product-top{

flex-direction:column;

gap:35px;

}


.product-gallery,
.product-summary{

width:100%;

}


.main-product-image{

height:360px;

}


.product-meta{

grid-template-columns:1fr;

}


.feature-list{

grid-template-columns:1fr;

}


.technical-table td{

padding:15px;

}


.technical-table td:first-child{

width:42%;

}


.product-summary h1{

font-size:32px;

}


}



/* ========================================
   PRODUCT DETAIL CONTENT SECTIONS
======================================== */

.product-info-section{

margin-top:70px;

margin-bottom:70px;

}


.product-info-heading{

margin-bottom:28px;

}


.product-info-label{

display:block;

margin-bottom:8px;

color:#0ea5e9;

font-size:14px;

font-weight:700;

letter-spacing:.08em;

}


.product-info-heading h2{

margin:0;

font-size:36px;

line-height:1.3;

color:#0f172a;

}


/* PRODUCT DESCRIPTION */


.product-description-box{

padding:32px 35px;

background:#f8fafc;

border:1px solid #e2e8f0;

border-radius:16px;

}


.product-description-box p{

margin:0;

font-size:17px;

line-height:1.9;

color:#475569;

}


/* WORKING PRINCIPLE */


.working-principle-box{

display:flex;

align-items:flex-start;

gap:28px;

padding:35px;

background:#f8fafc;

border-radius:16px;

border:1px solid #e2e8f0;

}


.working-principle-number{

flex-shrink:0;

display:flex;

align-items:center;

justify-content:center;

width:65px;

height:65px;

background:#0ea5e9;

border-radius:50%;

color:#fff;

font-size:20px;

font-weight:700;

}


.working-principle-content h3{

margin:0 0 12px;

font-size:22px;

color:#0f172a;

}


.working-principle-content p{

margin:0;

font-size:17px;

line-height:1.9;

color:#475569;

}


/* APPLICATIONS */


.product-application-box{

padding:32px 35px;

background:#f0f9ff;

border-left:4px solid #0ea5e9;

border-radius:0 14px 14px 0;

}


.product-application-box p{

margin:0;

font-size:17px;

line-height:1.9;

color:#475569;

}



/* ========================================
   PRODUCT CONTENT MOBILE
======================================== */

@media(max-width:768px){

.product-info-section{

margin-top:50px;

margin-bottom:50px;

}


.product-info-heading h2{

font-size:28px;

}


.product-description-box,
.working-principle-box,
.product-application-box{

padding:24px 20px;

}


.working-principle-box{

flex-direction:column;

gap:20px;

}


.working-principle-number{

width:55px;

height:55px;

font-size:18px;

}


.product-description-box p,
.working-principle-content p,
.product-application-box p{

font-size:16px;

line-height:1.8;

}

}


/* =========================
   PRODUCT GALLERY GRID
========================= */

.product-gallery-grid{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:24px;

}


.product-gallery-card{

background:#f8fafc;

border:1px solid #e2e8f0;

border-radius:16px;

overflow:hidden;

}


.product-gallery-card img{

width:100%;

aspect-ratio:4 / 3;

object-fit:contain;

display:block;

padding:15px;

transition:.35s;

}


.product-gallery-card:hover img{

transform:scale(1.03);

}


@media(max-width:768px){

.product-gallery-grid{

grid-template-columns:1fr;

gap:18px;

}

}

/* =========================
   PRODUCT FAQ FINAL
========================= */

.product-faq-list{

width:100%;

}


.product-faq-item{

margin-bottom:14px;

border:1px solid #e2e8f0;

border-radius:14px;

background:#fff;

overflow:hidden;

transition:.25s;

}


.product-faq-item:hover{

border-color:#bae6fd;

}


.product-faq-question{

width:100%;

display:flex;

align-items:center;

justify-content:space-between;

gap:20px;

padding:22px 25px;

border:0;

background:#fff;

font-family:inherit;

text-align:left;

cursor:pointer;

}


.product-faq-question:hover{

background:#f8fafc;

}


.product-faq-question-text{

display:block;

flex:1;

color:#0f172a;

font-size:18px;

font-weight:700;

line-height:1.5;

}


.product-faq-icon{

flex:0 0 34px;

display:flex;

align-items:center;

justify-content:center;

width:34px;

height:34px;

border-radius:50%;

background:#f0f9ff;

color:#0ea5e9;

font-size:24px;

font-weight:400;

line-height:1;

transition:.25s;

}


.product-faq-question.active
.product-faq-icon{

background:#0ea5e9;

color:#fff;

}


.product-faq-answer{

max-height:0;

overflow:hidden;

transition:max-height .35s ease;

}


.product-faq-answer p{

margin:0;

padding:0 25px 24px;

color:#64748b;

font-size:16px;

line-height:1.8;

}


@media(max-width:768px){

.product-faq-question{

padding:18px;

}


.product-faq-question-text{

font-size:16px;

}


.product-faq-icon{

flex-basis:30px;

width:30px;

height:30px;

font-size:21px;

}


.product-faq-answer p{

padding:0 18px 20px;

}

}

/* ============================================================
   移动端响应式增强（11 项补充）
   ============================================================ */

/* 表格内容防溢出（长数值/URL 不会撑破布局） */
.technical-table td{
    word-break:break-word;
    overflow-wrap:anywhere;
}

/* WhatsApp 浮动按钮：移动端缩小并靠边，避免遮挡表单/Footer */
@media(max-width:768px){
    .whatsapp-btn{
        right:16px;
        bottom:16px;
        padding:12px 20px;
        font-size:14px;
    }
}

/* ============================================================
   404 页面
   ============================================================ */
.not-found-section{
    padding:80px 0;
    text-align:center;
}

.not-found-card{
    background:#fff;
    padding:60px 30px;
    border-radius:16px;
    box-shadow:0 5px 30px rgba(0,0,0,.06);
}

.not-found-card h1{
    font-size:90px;
    color:#0ea5e9;
    margin-bottom:10px;
    line-height:1;
}

.not-found-card h2{
    font-size:28px;
    color:#1e3a8a;
    margin-bottom:15px;
}

.not-found-card p{
    color:#64748b;
    margin-bottom:30px;
}

.not-found-actions{
    display:flex;
    gap:15px;
    justify-content:center;
    flex-wrap:wrap;
}

.not-found-actions a{
    display:inline-block;
    padding:12px 24px;
    border-radius:8px;
    font-weight:600;
    color:#fff;
}

/* ============================================================
   博客前台
   ============================================================ */
.blog-section{
    padding:60px 0;
}

.blog-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
    margin-top:30px;
}

.blog-card{
    background:#fff;
    border-radius:12px;
    overflow:hidden;
    box-shadow:0 5px 20px rgba(0,0,0,.06);
    padding:20px;
}

.blog-card img{
    width:100%;
    height:200px;
    object-fit:cover;
    border-radius:8px;
    margin-bottom:15px;
}

.blog-card h2{
    font-size:20px;
    color:#1e3a8a;
    margin-bottom:10px;
    line-height:1.3;
}

.blog-card p{
    color:#64748b;
    font-size:15px;
    margin-bottom:12px;
}

.blog-meta{
    display:flex;
    gap:15px;
    color:#94a3b8;
    font-size:13px;
}

.blog-pagination{
    display:flex;
    gap:8px;
    justify-content:center;
    margin-top:30px;
}

.blog-pagination a{
    padding:8px 14px;
    border:1px solid #e2e8f0;
    border-radius:6px;
    color:#333;
}

.blog-pagination a.active{
    background:#0ea5e9;
    color:#fff;
    border-color:#0ea5e9;
}

.blog-article{
    padding:50px 0;
}

.blog-article h1{
    font-size:36px;
    color:#1e3a8a;
    margin:15px 0;
    line-height:1.2;
}

.blog-article .blog-meta{
    margin-bottom:25px;
}

.blog-cover{
    width:100%;
    max-height:500px;
    object-fit:cover;
    border-radius:12px;
    margin-bottom:30px;
}

.blog-body{
    max-width:760px;
    margin:0 auto;
    font-size:17px;
    line-height:1.8;
}

.blog-body h2{
    font-size:26px;
    color:#1e3a8a;
    margin:35px 0 15px;
}

.blog-body h3{
    font-size:21px;
    color:#1e3a8a;
    margin:25px 0 10px;
}

.blog-body p{
    margin-bottom:18px;
    color:#334155;
}

.blog-body ul,
.blog-body ol{
    margin:0 0 18px 25px;
    color:#334155;
}

.blog-body li{
    margin-bottom:8px;
}

.blog-body blockquote{
    border-left:4px solid #0ea5e9;
    padding:10px 20px;
    margin:0 0 18px;
    background:#f1f5f9;
    color:#475569;
    border-radius:0 8px 8px 0;
}

.blog-body figure{
    margin:0 0 20px;
}

.blog-body figure img{
    width:100%;
    border-radius:8px;
}

.blog-body figcaption{
    font-size:13px;
    color:#94a3b8;
    text-align:center;
    margin-top:8px;
}

.blog-cta{
    background:#f8fafc;
    border:1px solid #e2e8f0;
    border-radius:12px;
    padding:30px;
    margin-top:40px;
    text-align:center;
}

.blog-cta h2{
    color:#1e3a8a;
    margin-bottom:10px;
}

.blog-cta p{
    color:#64748b;
    margin-bottom:20px;
}

.blog-cta a{
    margin:0 6px;
}

.blog-empty{
    padding:60px 0;
    text-align:center;
    color:#94a3b8;
}

@media(max-width:768px){
    .blog-grid{
        grid-template-columns:1fr;
    }
    .blog-article h1{
        font-size:28px;
    }
}

/* ============================================================
   APPLICATIONS 移动端修复（覆盖全局 4 列，防止重叠）
   ============================================================ */
@media(max-width:768px){
    .application-grid{
        grid-template-columns:1fr !important;
        gap:20px;
    }
    .application-card img{
        height:200px;
    }
    .application-content{
        padding:20px;
    }
    .application-content h3{
        font-size:20px;
        margin-bottom:10px;
    }
}

/* 首页 Hero 标题 */
.hero-title{
    font-size:42px;
    color:#1e3a8a;
    margin:30px 0 10px;
    line-height:1.2;
}
.hero-subtitle{
    font-size:18px;
    color:#475569;
    margin-bottom:20px;
    line-height:1.6;
    max-width:720px;
}
@media(max-width:768px){
    .hero-title{ font-size:28px; }
    .hero-subtitle{ font-size:16px; }
}

/* ============================================================
   V1.2 WP-09：CSS 变量 + 响应式关键修复
   ============================================================ */
:root{
    --color-primary:#0ea5e9;
    --color-primary-dark:#0284c7;
    --color-text:#333;
    --color-muted:#64748b;
    --color-surface:#ffffff;
    --color-border:#e2e8f0;
    --container-width:1200px;
    --space-section-desktop:80px;
    --space-section-mobile:48px;
    --radius-card:20px;
    --shadow-card:0 10px 30px rgba(0,0,0,.08);
}

/* 产品图使用 4:3 比例，替代固定 450px，避免裁切与 CLS */
.product-image{
    height:auto;
    aspect-ratio:4/3;
}
.product-image-box{
    height:100%;
    aspect-ratio:4/3;
}
.product-image-box img{
    width:100%;
    height:100%;
    object-fit:contain;
}

/* 手机端：container 固定左右安全边距 */
@media(max-width:768px){
    .container{
        width:auto;
        max-width:none;
        margin-left:18px;
        margin-right:18px;
    }

    /* Learn More 手机端满宽、44px 最小点击高度 */
    .product-btn{
        display:block;
        width:100%;
        text-align:center;
        min-height:44px;
        line-height:24px;
    }
}

/* 小屏手机：技术参数表每个 tr 变上下排列的 label/value */
@media(max-width:480px){
    .technical-table tr{
        display:block;
        margin-bottom:12px;
        border:1px solid #e2e8f0;
        border-radius:8px;
        overflow:hidden;
    }
    .technical-table td{
        display:block;
        width:100% !important;
        padding:10px 15px;
    }
    .technical-table td:first-child{
        background:#f8fafc;
        font-weight:700;
    }
}

/* ============================================================
   V1.2 WP-11：焦点可见性 + 减少动效
   ============================================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible{
    outline:2px solid var(--color-primary);
    outline-offset:2px;
}

@media(prefers-reduced-motion: reduce){
    *,
    *::before,
    *::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
        scroll-behavior:auto !important;
    }
}

/* ============================================================
   博客前台 V1.4：知识中心、文章阅读页与移动端阅读体验
   ============================================================ */
.blog-section{
    padding:0 0 78px;
    background:linear-gradient(180deg,#f0f9ff 0,#fff 340px);
}
.blog-hero{
    max-width:820px;
    margin:0 auto;
    padding:86px 0 48px;
    text-align:center;
}
.blog-eyebrow{
    display:block;
    margin-bottom:10px;
    color:#0284c7;
    font-size:12px;
    font-weight:800;
    letter-spacing:.13em;
    text-transform:uppercase;
}
.blog-hero h1{
    margin:0 0 17px;
    color:#0f2f57;
    font-size:clamp(38px,5vw,58px);
    line-height:1.08;
    letter-spacing:-.035em;
}
.blog-hero > p:last-child{
    max-width:680px;
    margin:0 auto;
    color:#52657b;
    font-size:18px;
    line-height:1.7;
}
.blog-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:28px;
    margin-top:0;
}
.blog-card{
    display:flex;
    min-width:0;
    flex-direction:column;
    padding:0;
    border:1px solid #e2e8f0;
    border-radius:18px;
    box-shadow:0 10px 34px rgba(15,47,87,.08);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.blog-card:hover{
    transform:translateY(-5px);
    border-color:#bae6fd;
    box-shadow:0 18px 45px rgba(15,47,87,.14);
}
.blog-card-media{
    display:block;
    overflow:hidden;
    aspect-ratio:16/9;
    background:linear-gradient(135deg,#e0f2fe,#dbeafe);
}
.blog-card .blog-card-media img{
    width:100%;
    height:100%;
    margin:0;
    border-radius:0;
    object-fit:cover;
    transition:transform .35s ease;
}
.blog-card:hover .blog-card-media img{transform:scale(1.035);}
.blog-card-placeholder{
    display:flex;
    width:100%;
    height:100%;
    align-items:center;
    justify-content:center;
    color:#1e3a8a;
    background:radial-gradient(circle at 25% 20%,#fff 0,transparent 35%),linear-gradient(135deg,#dbeafe,#cffafe);
    font-size:14px;
    font-weight:800;
    letter-spacing:.16em;
}
.blog-card-content{
    display:flex;
    height:100%;
    flex-direction:column;
    padding:23px;
}
.blog-card-kicker,
.blog-card-footer{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
}
.blog-card-kicker{margin-bottom:14px;color:#94a3b8;font-size:12px;}
.blog-category-badge{
    display:inline-flex;
    align-items:center;
    min-height:25px;
    padding:5px 9px;
    border-radius:999px;
    color:#075985;
    background:#e0f2fe;
    font-size:11px;
    font-weight:800;
    letter-spacing:.02em;
}
.blog-card h2{
    margin:0 0 12px;
    font-size:21px;
    line-height:1.38;
}
.blog-card h2 a{color:#0f2f57;}
.blog-card h2 a:hover{color:#0284c7;}
.blog-card p{
    display:-webkit-box;
    overflow:hidden;
    margin:0 0 20px;
    color:#64748b;
    font-size:14px;
    line-height:1.65;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:3;
}
.blog-card-footer{
    margin-top:auto;
    padding-top:17px;
    border-top:1px solid #edf2f7;
    color:#94a3b8;
    font-size:12px;
}
.blog-card-footer a{color:#0369a1;font-weight:800;}
.blog-pagination{margin-top:44px;}
.blog-pagination a{min-width:42px;min-height:42px;text-align:center;}

.blog-article{
    padding:34px 0 80px;
    background:linear-gradient(180deg,#f8fbff 0,#fff 520px);
}
.blog-breadcrumb{
    max-width:1120px;
    margin:0 auto 34px;
    color:#64748b;
    font-size:13px;
}
.blog-article-header{
    max-width:900px;
    margin:0 auto 34px;
    text-align:center;
}
.blog-article-header .blog-category-badge{margin-bottom:17px;}
.blog-article h1{
    margin:0 0 20px;
    color:#0f2f57;
    font-size:clamp(36px,5vw,58px);
    line-height:1.12;
    letter-spacing:-.035em;
}
.blog-article-lead{
    max-width:760px;
    margin:0 auto 20px;
    color:#52657b;
    font-size:19px;
    line-height:1.7;
}
.blog-article .blog-meta{
    justify-content:center;
    margin:0;
    color:#64748b;
    font-size:13px;
}
.blog-article .blog-meta span+span::before,
.blog-article .blog-meta time::before{content:'•';margin-right:15px;color:#cbd5e1;}
.blog-cover{
    display:block;
    max-width:1120px;
    max-height:none;
    margin:0 auto 50px;
    aspect-ratio:16/9;
    border-radius:18px;
    box-shadow:0 16px 46px rgba(15,47,87,.12);
}
.blog-reading-layout{
    display:grid;
    grid-template-columns:220px minmax(0,760px);
    justify-content:center;
    gap:58px;
    align-items:start;
}
.blog-reading-layout.no-toc{grid-template-columns:minmax(0,760px);}
.blog-toc{
    position:sticky;
    top:110px;
    padding:18px 0 18px 17px;
    border-left:2px solid #e2e8f0;
}
.blog-toc strong{display:block;margin-bottom:12px;color:#0f2f57;font-size:13px;}
.blog-toc ol{list-style:none;margin:0;padding:0;}
.blog-toc li{margin:0 0 9px;line-height:1.4;}
.blog-toc .toc-level-3{padding-left:13px;}
.blog-toc a{display:block;color:#64748b;font-size:12px;}
.blog-toc a:hover{color:#0284c7;}
.blog-body{
    max-width:none;
    margin:0;
    color:#334155;
    font-size:17px;
    line-height:1.86;
}
.blog-body h2,
.blog-body h3{scroll-margin-top:110px;color:#0f2f57;letter-spacing:-.015em;}
.blog-body h2{margin:46px 0 16px;font-size:30px;line-height:1.28;}
.blog-body h2:first-child{margin-top:0;}
.blog-body h3{margin:32px 0 12px;font-size:23px;line-height:1.35;}
.blog-body p{margin-bottom:22px;color:#334155;}
.blog-body ul,
.blog-body ol{margin:0 0 24px 25px;}
.blog-body li{margin-bottom:10px;padding-left:4px;}
.blog-body blockquote{
    position:relative;
    margin:30px 0;
    padding:24px 28px 24px 31px;
    border:0;
    border-left:5px solid #0ea5e9;
    border-radius:0 12px 12px 0;
    color:#334155;
    background:#f0f9ff;
    font-size:18px;
    line-height:1.75;
}
.blog-body figure{margin:34px 0;}
.blog-body figure img{border-radius:14px;box-shadow:0 10px 30px rgba(15,47,87,.1);}
.blog-body figcaption{margin-top:10px;color:#64748b;font-size:13px;}
.blog-cta{
    display:flex;
    max-width:1040px;
    align-items:center;
    justify-content:space-between;
    gap:30px;
    margin:58px auto 0;
    padding:32px 36px;
    border:1px solid #bae6fd;
    border-radius:18px;
    background:linear-gradient(135deg,#f0f9ff,#eff6ff);
    text-align:left;
}
.blog-cta h2{margin:0 0 8px;color:#0f2f57;font-size:26px;}
.blog-cta p{max-width:650px;margin:0;color:#52657b;line-height:1.6;}
.blog-cta-actions{display:flex;gap:10px;flex-shrink:0;}
.blog-cta a{margin:0;white-space:nowrap;}
.post-navigation{
    display:grid;
    max-width:1040px;
    grid-template-columns:1fr 1fr;
    gap:22px;
    margin:34px auto 0;
    padding-top:30px;
    border-top:1px solid #e2e8f0;
}
.post-navigation a{display:flex;min-width:0;flex-direction:column;gap:6px;padding:17px;border-radius:12px;background:#f8fafc;}
.post-navigation a:hover{background:#f0f9ff;}
.post-navigation span{color:#64748b;font-size:12px;}
.post-navigation strong{overflow:hidden;color:#0f2f57;font-size:15px;line-height:1.4;text-overflow:ellipsis;white-space:nowrap;}
.post-nav-older{text-align:right;}
.more-articles{max-width:1120px;margin:76px auto 0;padding-top:46px;border-top:1px solid #e2e8f0;}
.more-articles-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:25px;}
.more-articles-heading h2{margin:0;color:#0f2f57;font-size:30px;}
.more-articles-heading > a{color:#0369a1;font-weight:800;}
.more-articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.more-articles-grid article{min-width:0;}
.more-article-image{display:block;overflow:hidden;margin-bottom:14px;aspect-ratio:16/9;border-radius:13px;background:#e0f2fe;}
.more-article-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.more-article-image:hover img{transform:scale(1.04);}
.more-articles-grid .blog-category-badge{margin-bottom:9px;}
.more-articles-grid h3{margin:0;font-size:18px;line-height:1.45;}
.more-articles-grid h3 a{color:#0f2f57;}
.more-articles-grid h3 a:hover{color:#0284c7;}

@media(max-width:1024px){
    .blog-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .blog-reading-layout{grid-template-columns:190px minmax(0,680px);gap:32px;}
    .blog-cta{margin-left:20px;margin-right:20px;}
    .post-navigation{margin-left:20px;margin-right:20px;}
}
@media(max-width:768px){
    .blog-section{padding-bottom:52px;background:linear-gradient(180deg,#f0f9ff 0,#fff 250px);}
    .blog-hero{padding:52px 0 34px;text-align:left;}
    .blog-hero h1{font-size:36px;}
    .blog-hero > p:last-child{font-size:16px;line-height:1.65;}
    .blog-grid{grid-template-columns:1fr;gap:22px;}
    .blog-card-content{padding:20px;}
    .blog-card h2{font-size:20px;}
    .blog-article{padding-top:22px;}
    .blog-breadcrumb{margin-bottom:25px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
    .blog-article-header{text-align:left;}
    .blog-article h1{font-size:32px;line-height:1.18;}
    .blog-article-lead{font-size:17px;}
    .blog-article .blog-meta{justify-content:flex-start;flex-wrap:wrap;gap:8px 12px;}
    .blog-article .blog-meta span+span::before,
    .blog-article .blog-meta time::before{display:none;}
    .blog-cover{width:calc(100% + 36px);margin-left:-18px;margin-bottom:32px;border-radius:0;box-shadow:none;}
    .blog-reading-layout,
    .blog-reading-layout.no-toc{display:block;}
    .blog-toc{position:static;margin-bottom:30px;padding:17px;border:1px solid #e2e8f0;border-left:4px solid #0ea5e9;border-radius:10px;background:#f8fafc;}
    .blog-toc ol{display:grid;gap:7px;}
    .blog-toc li{margin:0;}
    .blog-toc a{font-size:13px;}
    .blog-body{font-size:16px;line-height:1.8;}
    .blog-body h2{margin-top:38px;font-size:26px;}
    .blog-body h3{font-size:21px;}
    .blog-body blockquote{padding:20px;font-size:16px;}
    .blog-cta{display:block;margin:44px 0 0;padding:25px 21px;}
    .blog-cta h2{font-size:23px;}
    .blog-cta-actions{margin-top:20px;}
    .blog-cta-actions a{flex:1;text-align:center;}
    .post-navigation{grid-template-columns:1fr;margin:28px 0 0;}
    .post-nav-older{text-align:left;}
    .more-articles{margin-top:54px;padding-top:35px;}
    .more-articles-heading{align-items:flex-start;flex-direction:column;}
    .more-articles-heading h2{font-size:25px;}
    .more-articles-grid{grid-template-columns:1fr;gap:28px;}
}
@media(max-width:480px){
    .blog-card-footer{align-items:flex-start;flex-direction:column;gap:8px;}
    .blog-cta-actions{flex-direction:column;}
}