.faq-item-v7::before{opacity: 1;}

.section-eyebrow{ color: #000;}

h2.section-title{ color: #333;}
/* LAYOUT 07: 左侧固定导航 + 手风琴产品 */
.side-nav{position:fixed;left:0;top:0;bottom:0;width:220px;background:#1A1A1A;z-index:1000;display:flex;flex-direction:column;justify-content:center;padding:40px 0}
.side-nav>a{display:block;padding:16px 40px;color:rgba(255,255,255,.6);font-size:15px;font-weight:500;transition:all .2s;border-left:3px solid transparent}
.side-nav>a:hover,.side-nav>a.active{color:#fff;border-left-color:#C41E3A;background:rgba(196,30,58,.15)}
.side-brand{padding:16px 40px;font-size:20px;font-weight:800;color:#C41E3A;margin-bottom:20px}
.nav-item-has-dropdown{position:relative}
.nav-item-has-dropdown>a{display:block;padding:16px 40px;color:rgba(255,255,255,.6);font-size:15px;font-weight:500;transition:all .2s;border-left:3px solid transparent}
.nav-item-has-dropdown:hover>a{color:#fff;border-left-color:#C41E3A;background:rgba(196,30,58,.15)}
.dropdown-menu{position:absolute;left:100%;top:0;min-width:160px;background:#2A2A2A;border-radius:0 12px 12px 0;box-shadow:4px 4px 20px rgba(0,0,0,.3);opacity:0;visibility:hidden;transform:translateX(-10px);transition:all .3s;padding:12px 0;list-style:none;z-index:1001}
.nav-item-has-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateX(0)}
.dropdown-menu li a{display:block;padding:10px 20px;color:rgba(255,255,255,.6);font-size:14px;transition:all .2s}
.dropdown-menu li a:hover{color:#fff;background:rgba(196,30,58,.2)}
.main{margin-left:220px}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;z-index:0}
.hero::before{content:'';position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);z-index:0;pointer-events:none}
.hero>div,.hero-slide{max-width:100%;position:relative;z-index:-1}
.hero h1{font-size:clamp(42px,5.5vw,64px);font-weight:900;line-height:1.2;margin-bottom:24px}
.hero p{font-size:17px;line-height:1.9;margin-bottom:40px;max-width:560px}
.btn-primary{display:inline-block;padding:14px 36px;background:#C41E3A;color:#fff;border-radius:50px;font-weight:600;font-size:14px;transition:all .3s}
.btn-primary:hover{background:#a31830;transform:translateY(-2px)}
.hero-slide{transition:opacity 1s ease}
/* 手风琴产品 */
.products-accordion{list-style:none;max-width:900px;margin:56px auto 0}
.acc-item{background:#F5F5F5;border-radius:20px;margin-bottom:16px;overflow:hidden;transition:all .3s}
.acc-item:has(.acc-body.open){background:#fff;box-shadow:0 12px 40px rgba(0,0,0,.1)}
.acc-trigger{width:100%;padding:28px 32px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:18px;font-weight:700}
.acc-trigger:hover{color:#C41E3A}
.acc-icon{font-size:24px;color:#C41E3A;transition:transform .3s}
.acc-item:has(.acc-body.open) .acc-icon{transform:rotate(45deg)}
.acc-body{display:none;padding:0 32px 28px}
.acc-body.open{display:block}
.acc-body p{font-size:15px;color:#666;line-height:1.8}
.acc-body .acc-img{font-size:80px;text-align:center;padding:20px 0}
.rd{background:#1A1A1A;color:#fff}
.rd .section-eyebrow{color:#C41E3A}
.rd .section-title{color:#fff}
.rd-list{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;list-style:none;margin-top:48px}
.rd-item{text-align:center;padding:32px 24px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:16px;transition:all .3s}
.rd-item:hover{background:rgba(196,30,58,.15);border-color:#C41E3A;transform:translateY(-8px)}
.rd-icon{width:120px;height:120px;border-radius:50%;border:3px solid rgba(196,30,58,.3);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;overflow:hidden;background:rgba(255,255,255,.05)}
.rd-icon img{width:60px;height:60px;object-fit:contain}
.rd-item h3{font-size:20px;font-weight:600;margin-bottom:12px;color:#fff}
.rd-item p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.6}
.stats{background:#fff}

/* 企业介绍 */
.about{background:#1A1A1A;padding:330px 80px;background-image:url('/Public/Index/images/about_bj.jpg');background-size:cover;background-position:center}
.about-layout{display:flex;flex-direction:column;gap:48px;margin-top:48px}
.about-count{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#C41E3A}
.ac{background:#C41E3A;padding:40px 20px;text-align:center;transition:all .3s}
.ac:hover{background:#fff}
.ac-n{font-size:44px;font-weight:900;color:#fff;line-height:1;transition:all .3s}
.ac:hover .ac-n{color:#1A1A1A}
.ac-l{font-size:13px;color:rgba(255,255,255,.9);margin-top:8px;transition:all .3s}
.ac:hover .ac-l{color:#666}
.about-bottom{display:grid;grid-template-columns:1fr auto;gap:60px;align-items:center}
.product-grid{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s;padding:20px;height:auto;min-height:200px}
.product-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.product-card h3{font-size:18px;font-weight:600;margin-bottom:8px;color:#C41E3A}
.product-card p{font-size:14px;color:#333;line-height:1.6}
.product-card img{width:100%;object-fit:cover;border-radius:8px;margin-bottom:16px;height:320px}
.product-cats{list-style:none}
.cat-item{padding:16px 20px;background:#F5F5F5;color:#333;border-radius:8px;cursor:pointer;margin-bottom:8px;font-weight:500;transition:all .3s;}
.cat-item:hover{background:#e0e0e0}
.cat-item.active{background:#000;color:#fff}
.about-text-col h2{font-size:clamp(28px,4vw,48px);font-weight:900;color:#000;line-height:1.3;margin-bottom:16px}
.about-text-col p{font-size:24px;color:rgba(0,0,0,.5);line-height:1.9;     width: 50%;}
.about-icon-col{font-size:160px;opacity:.08;line-height:1}
/* News */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;list-style:none}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid #F5F5F5;border-radius:16px;overflow:hidden;transition:all .3s;text-decoration:none}
.news-card:hover{border-color:#C41E3A;box-shadow:0 10px 40px rgba(0,0,0,.08);transform:translateY(-4px)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card-content{padding:20px}
.news-date{display:flex;gap:8px;align-items:center;margin-bottom:12px}
.news-date .day{font-size:28px;font-weight:700;color:#C41E3A}
.news-date .month{font-size:12px;color:#888}
.news-card h3{font-size:16px;font-weight:600;margin-bottom:8px;color:#333}
.news-card p{font-size:13px;color:#666;line-height:1.6}
.faq-list-v7{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;list-style:none;max-width:100%;margin:48px auto 0}
.faq-item-v7{background:#fff;border-radius:12px;overflow:hidden}
.faq-q-v7{width:100%;padding:20px 24px;background:none;border:none;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:600;color:#333}
.faq-q-v7:hover{color:#C41E3A}
.faq-q-v7 .icon{font-size:20px;color:#C41E3A;font-weight:400}
.faq-a-v7{display:none;padding:0 24px 20px;font-size:14px;color:#666;line-height:1.8}
.faq-a-v7.open{display:block}
@media(max-width:1024px){
    .news-grid{grid-template-columns:repeat(2,1fr)}
    .main{margin-left:0}
    .hero{padding:0 20px}
    .about{padding:160px 20px}
    .about-bottom{grid-template-columns:1fr}
    .about-text-col p{width:100%}
}
@media(max-width:768px){

    .products{ padding: 20px !important;}
    .products-wrapper{ display: block !important;}

    .product-cats {
        margin-bottom: 15px !important;
    }

    .news-grid{grid-template-columns:1fr}
    .product-grid{grid-template-columns:repeat(2,1fr);gap:16px}
    .product-card{height:auto;min-height:auto;padding:12px}
    .product-card img{height:180px}
    .rd-list{grid-template-columns:repeat(2,1fr)}
    .about-count{grid-template-columns:repeat(2,1fr)}
    .faq-list-v7{grid-template-columns:1fr}
    section#products{padding:40px 20px}
    .products-wrapper{grid-template-columns:1fr;gap:24px}
    .product-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0}
    .cat-item{margin-bottom:0;text-align:center;padding:16px 10px;font-size:13px;border-radius:12px}
    .cat-item.active{background:#C41E3A;color:#fff}
}
@media(max-width:480px){
    .rd-list{grid-template-columns:1fr}
    .about-count{grid-template-columns:1fr}
    .products-accordion{padding:0 16px}
    .acc-trigger{padding:20px}
    .acc-body{padding:0 20px 20px}
    .product-grid{grid-template-columns:1fr}
    .product-card img{height:160px}
}



 .floating-bar{position:fixed;bottom:0;left:0;right:0;z-index:9999;background:linear-gradient(135deg,#1A1A1A 0%,#2d2d2d 100%);backdrop-filter:blur(20px);border-top:1px solid rgba(255,255,255,0.1);padding:16px 40px}
.floating-bar-content{display:flex;align-items:center;gap:20px;max-width:1400px;margin:0 auto;width:100%}
.floating-bar-left{display:flex;align-items:center;gap:16px;flex:1}
.floating-icon{width:52px;height:52px;background:linear-gradient(135deg,#C41E3A 0%,#e63950 100%);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 8px 24px rgba(196,30,58,0.4)}
.floating-text{display:flex;flex-direction:column}
.floating-title{color:#fff;font-size:18px;font-weight:700;letter-spacing:0.5px}
.floating-subtitle{color:rgba(255,255,255,0.5);font-size:13px;margin-top:2px}
.floating-bar-phone{display:flex;align-items:center;gap:8px;color:#C41E3A;font-weight:700;font-size:18px}
.floating-bar-phone span:first-child{font-size:22px}
.floating-form{display:flex;gap:10px;align-items:center}
.floating-input{padding:12px 18px;border-radius:10px;border:1px solid rgba(255,255,255,0.15);background:rgba(255,255,255,0.08);color:#fff;font-size:14px;transition:all 0.3s}
.floating-input:focus{outline:none;background:rgba(255,255,255,0.15);border-color:#C41E3A}
.floating-input::placeholder{color:rgba(255,255,255,0.5)}
.floating-form input:nth-child(1){width:120px}
.floating-form input:nth-child(2){width:140px}
.floating-textarea{width:160px;resize:none;height:44px;font-family:inherit}
.floating-code-row{display:flex;align-items:center;gap:8px}
.floating-code{width:88px;padding:12px 10px !important}
.floating-code-img{width:100px;height:36px;cursor:pointer;border-radius:6px}
.floating-submit{padding:12px 28px;background:linear-gradient(135deg,#C41E3A 0%,#e63950 100%);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;box-shadow:0 4px 16px rgba(196,30,58,0.4);transition:all 0.3s}
.floating-submit:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(196,30,58,0.5)}
.floating-toggle{display:none}
@media(max-width:1200px){.floating-bar{padding:12px 20px}
    .floating-form{display:none}
    .floating-toggle{display:block;padding:10px 20px;background:#C41E3A;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}
    .floating-bar-left{flex:none}
    .floating-text{display:none}
}@media(max-width:640px){.floating-bar-phone{display:none}
}



 #rd.rd-with-bg{
     position:relative;
     overflow:hidden;
     background-image:url('/Public/Index/images/cta-bg.jpg');
     background-size:cover;
     background-position:center;
 }
#rd.rd-with-bg::before{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.5);
    z-index:0;
}
#rd.rd-with-bg > *{position:relative;z-index:1}




/* Strength split layout (ref: provided screenshot) */
.strength.strength-split{
    padding:0 !important;
    background:#fff;
    min-height:950px;
}
.strength-split-inner{
    width:100%;
    max-width:none;
    margin:0;
    min-height:950px;
    display:grid;
    grid-template-columns:minmax(340px,1.05fr) minmax(420px,1fr);
    background:#fff;
}
.strength-photo{
    position:relative;
    display:block;
    height:100%; overflow: hidden;
    isolation:isolate;
    min-height:560px;
    background-image:url('/Public/Index/images/hx_02.jpg');
    background-size:cover;
    background-position:center;
    text-decoration:none;
}
.strength-photo-slides{
    position:absolute;
    inset:0;
    z-index:0;
    pointer-events:none;
}
.strength-photo-slide{
    position:absolute;
    inset:0;
    background-size:cover;
    background-position:center;
    opacity:0;
    animation:strengthPhotoFade 12s infinite;
    will-change:opacity;
    transform:scale(1.02);
}
.strength-photo-slide--1{background-image:url('/Public/Index/images/hx_01.jpg');animation-delay:0s}
.strength-photo-slide--2{background-image:url('/Public/Index/images/hx_02.jpg');animation-delay:4s}
.strength-photo-slide--3{background-image:url('/Public/Index/images/hx_03.jpg');animation-delay:8s}
@keyframes strengthPhotoFade{
    0%{opacity:0}
    6%{opacity:1}
    30%{opacity:1}
    36%{opacity:0}
    100%{opacity:0}
}
@media (prefers-reduced-motion: reduce){
    .strength-photo-slide{animation:none}
    .strength-photo-slide--1,.strength-photo-slide--3{opacity:0}
    .strength-photo-slide--2{opacity:1}
}
.strength-photo::before{
    content:"";
    position:absolute;
    inset:0;
    z-index:1;
    pointer-events:none;
}
.strength-photo::after{
    content:"";
    position:absolute;
    inset:0;
    z-index:2;
    pointer-events:none;
    background:linear-gradient(90deg, rgba(0,0,0,.25), rgba(0,0,0,.05));
}
.strength-photo-overlay{
    position:absolute;
    left:48px;
    top:50%;
    transform:translateY(-50%);
    z-index:3;
    max-width:520px;
}
.strength-photo-overlay .section-title{
    font-size:clamp(34px,3.2vw,48px);
    font-weight:900;
    letter-spacing:.5px;
    line-height:1.15;
}

.strength-tiles{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    grid-auto-rows:1fr;
    background:#fff;
}
.strength-tile{
    position:relative;
    gap:18px;
    padding:40px 44px;
    text-decoration:none;
    color:#1A1A1A;
    border-left:1px solid #EEF2F6;
    border-top:1px solid #EEF2F6;
    transition:transform .25s ease, box-shadow .25s ease;
}
.strength-tile:hover{
    transform:translateY(-4px);
    box-shadow:0 14px 36px rgba(0,0,0,.10);
    z-index:3;
}
.strength-tile--primary{
    grid-column:1 / 3;

    background:linear-gradient(135deg,#C41E3A 0%, #9E1630 100%);
    color:#fff;`r`n      border-top:none;
}
.strength-tile--primary::after{
    content:"";
    position:absolute;
    inset:0;
    background:radial-gradient(closest-side at 70% 40%, rgba(255,255,255,.20), rgba(255,255,255,0) 60%);
    pointer-events:none;
}
.strength-tile--primary .strength-tile-sub{color:rgba(255,255,255,.85)}
.strength-tile--primary .strength-tile-desc{color:rgba(255,255,255,.86)}

.strength-tile-icon{
    flex:0 0 120px;
    width:120px;
    height:120px;
    border-radius:999px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:30px;
    background:rgba(255,255,255,.06);
    border:2px solid rgba(196,30,58,.15); margin-bottom: 35px;
}

.strength-tile-icon img{ width: 40%; margin: 0 auto;}



.strength-tile--primary .strength-tile-icon{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.55);
}
.strength-tile-body{position:relative;z-index:1}
.strength-tile-title{
    margin:0 0 8px;
    font-size:22px;
    font-weight:900;
    letter-spacing:.2px;
}
.strength-tile-sub{
    display:block;
    margin:0 0 14px;
    font-size:13px;
    font-weight:700;
    color:#C41E3A;
    letter-spacing:.3px;
}
.strength-tile-desc{
    margin:0;
    font-size:14px;
    color:#666;
    line-height:1.9;
}

@media (max-width: 1100px){
    .strength-split-inner{grid-template-columns:1fr}
    .strength-photo{min-height:360px}
    .strength-photo-overlay{left:28px}
    .strength-tile{border-left:none}
    .strength-tile--primary{grid-column:auto}
    .strength-tiles{grid-template-columns:1fr}
}
@media (max-width: 768px){
    .strength{padding:60px 18px !important}
    .strength-photo-overlay{left:18px;right:18px;max-width:none}
    .strength-tile{padding:28px 22px}
    .strength-tile-icon{width:56px;height:56px;flex-basis:56px;font-size:28px}
}