:root{--primary-color:#000;--secondary-color:#c61825;--light-color:#fbfbfb;--text-color:#333;--gray-color:#a9acb0;--blue-color:#67a2e5;--border-color:#e5e5e5;}body{background-color:var(--light-color);}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 15px;}.btn{display:inline-block;padding:8px 20px;background-color:var(--secondary-color);color:#fff!important;border-radius:4px!important;transition:all 0.3s ease;cursor:pointer;text-align:center;}.btn:hover{opacity:0.9;color:#fff;}.back-to-top:hover, .back-to-top:focus{background-color: var(--secondary-color)!important;}.section-title{text-align:center;margin-bottom:40px;}.section-title h2{font-size:28px;margin-bottom:10px;color:var(--primary-color);font-weight:bold;}.section-title p{color:var(--gray-color);font-size:16px;}.satitle{position:relative;line-height:20px;height:20px;}.satitle::before,.satitle::after{color:#e3e3e3;content:'∙∙∙';position:relative;top:50%;transform:translateY(-50%);margin:0 3rem;}#header{background-color:#fff;box-shadow:0 2px 10px rgba(0,0,0,0.1);position:sticky;top:0;left:0;width:100%;z-index:100;}#header .container{display:flex;justify-content:space-between;align-items:center;height:80px;}.logo img{height:40px;}.main-nav{flex:1;margin-left:50px;display: flex;justify-content: center;}.main-nav > ul{display:flex;height:80px;margin:0 auto;}.main-nav > ul > li{position:relative;margin-right:20px;display:flex;align-items:center;}.main-nav > ul > li > a{padding:0 2px;font-size:16px;color:var(--primary-color);height:80px;line-height:80px;transition:all 0.3s;position:relative;}.main-nav > ul > li > a:hover{color:var(--secondary-color);}.main-nav > ul > li > a:after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:0;height:3px;background-color:var(--secondary-color);transition:all 0.3s;}.main-nav > ul > li:hover > a:after{width:100%;}.has-submenu{position:relative;}.submenu{position:absolute;top:100%;left:0;background-color:#fff;min-width:max-content;width:100%;box-shadow:0 5px 10px rgba(0,0,0,0.1);visibility:hidden;opacity:0;transform:translateY(10px);transition:all 0.3s;z-index:10;}.has-submenu:hover .submenu{visibility:visible;opacity:1;transform:translateY(0);}.submenu li{border-bottom:1px solid var(--border-color);}.submenu li a{display:block;padding:12px 15px;color:var(--primary-color);transition:all 0.3s;}.submenu li a:hover{background-color:var(--light-color);color:var(--secondary-color);padding-left:20px;}.submit-btn .btn{background-color:var(--secondary-color);color:#fff;}.mobile-menu-toggle{display:none;flex-direction:column;justify-content:space-around;width:30px;height:22px;cursor:pointer;}.mobile-menu-toggle span{display:block;width:100%;height:3px;background-color:var(--primary-color);transition:all 0.3s;}.banner-slider{position:relative;width:100%;height:500px;overflow:hidden;}.slides-container{width:100%;height:100%;}.slide{width:100%;height:100%;background-size:cover;background-position:center;position:relative;}.slide-content{position:absolute;top:70%;left:50%;transform:translate(-50%,-50%);color:#fff;max-width:800px;width:max-content;padding:30px;background-color:rgba(0,0,0,0.5);border-radius:8px;}.slide-content .btn{margin:0 auto;width:30%;display:block;}.slide-content h2{font-size:36px;margin-bottom:15px;font-weight:bold;}.slide-content p{font-size:18px;margin-bottom:20px;}.slider-controls{position:absolute;top:50%;width:100%;transform:translateY(-50%);display:flex;justify-content:space-between;padding:0 20px;}.prev-btn,.next-btn{background-color:rgba(0,0,0,0.5);color:#fff;width:40px;height:40px;border-radius:50%;display:flex;justify-content:center;align-items:center;cursor:pointer;font-size:20px;transition:all 0.3s;}.prev-btn:hover,.next-btn:hover{background-color:rgba(0,0,0,0.8);}.slider-indicators{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;}.indicator{width:12px;height:12px;border-radius:50%;background-color:rgba(255,255,255,0.5);margin:0 5px;cursor:pointer;transition:all 0.3s;}.indicator.active{background-color:#fff;}.service-intro{padding:60px 0;}.service-list{display:flex;justify-content:space-between;flex-wrap:wrap;}.service-item{flex:0 0 calc(33.33% - 30px);margin-bottom:30px;background-color:#fff;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,0.05);overflow:hidden;transition:all 0.3s;}.service-item:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,0.1);}.service-icon{height:180px;display:flex;justify-content:center;align-items:center;padding:30px;background-color:var(--light-color);}.service-icon img{max-height:100%;max-width:100%;}.service-content{padding:10px;}.service-content h3{font-size:20px;margin-bottom:10px;color:var(--primary-color);font-weight:bold;}.service-content p{color:var(--text-color);margin-bottom:15px;line-height:1.6;}.more-link{color:var(--secondary-color);font-weight:bold;display:inline-block;position:relative;}.more-link:after{content:'→';margin-left:5px;transition:all 0.3s;}.more-link:hover:after{margin-left:10px;}.inspection-service{padding:60px 0;background-color:#f7f7f7;}.inspection-item{flex:0 0 calc(25% - 30px);margin:0 15px 30px;background-color:#fff;border-radius:8px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,0.05);transition:all 0.3s;}.inspection-item:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,0.1);}.inspection-image{height:200px;overflow:hidden;}.inspection-image img{width:100%;height:100%;object-fit:cover;transition:all 0.5s;}.inspection-item:hover .inspection-image img{transform:scale(1.1);}.inspection-content{padding:20px;}.inspection-content h3{font-size:18px;margin-bottom:10px;color:var(--primary-color);font-weight:bold;}.inspection-content p{font-size:14px;color:var(--text-color);margin-bottom:15px;line-height:1.6;}.platform-advantages{padding:60px 0;background-color:#fff;}.platform-items{display:flex;flex-wrap:wrap;justify-content:space-between;}.platform-item{flex:0 0 calc(25% - 30px);margin-bottom:20px;padding:10px 15px;text-align:center;background-color:#f7f7f7;border-radius:8px;transition:all 0.3s;}.platform-item:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,0.1);}.platform-icon{background-size:cover;width:150px;height:150px;background-color:#fff;border-radius:10%;display:flex;justify-content:center;align-items:center;margin:20px auto;box-shadow:0 5px 15px rgba(0,0,0,0.1);}.platform-i1{display:flex;justify-content:center;align-items:center;margin:0 auto 20px;}.platform-icon img{max-width:40px;max-height:40px;}.platform-content h3{font-size:18px;margin-bottom:10px;color:var(--primary-color);font-weight:bold;}.platform-content p{color:var(--text-color);line-height:1.6;text-align:justify;}.ftbox-area{background-repeat:no-repeat!important;background-position:center!important;background-size:cover!important;padding:6rem;position:relative;z-index:1;}.block-a-platform,.block-b-box,.block-c-box{padding:60px 0;}.block-a-platform{background-color:#f7f7f7;}.block-b-box{background-color:#fff;}.block-c-box{background-color:#f7f7f7;}.join-content{display:flex;align-items:center;flex-wrap:wrap;}.join-image{flex:0 0 45%;padding:0 15px;text-align:center;}.join-image img{max-width:100%;border-radius:8px;box-shadow:0 10px 20px rgba(0,0,0,0.1);}.join-info{flex:0 0 55%;padding:0 15px;}.join-info h2{font-size:28px;margin-bottom:20px;color:var(--primary-color);font-weight:bold;}.join-info p{color:var(--text-color);margin-bottom:30px;line-height:1.8;font-size:16px;}.service-desc a{padding:0 0.2rem}.latest-news{padding:60px 0;background-color:#f7f7f7;}.news-container{display:flex;flex-wrap:wrap;margin:0 -15px;}.news-main{flex:0 0 calc(50% - 30px);margin:0 15px 30px;position:relative;border-radius:8px;overflow:hidden;height:350px;}.news-image{width:100%;height:100%;}.news-image img{width:100%;height:100%;object-fit:cover;}.news-overlay{position:absolute;bottom:0;left:0;width:100%;background:linear-gradient(to top,rgba(0,0,0,0.8),transparent);padding:30px;}.news-content h3{font-size:22px;margin-bottom:10px;color:#fff;font-weight:bold;}.news-content p{color:rgba(255,255,255,0.8);margin-bottom:20px;line-height:1.6;}.news-list{flex:0 0 calc(50% - 30px);margin:0 15px 30px;display:flex;flex-direction:column;}.news-item{display:flex;align-items:center;margin-bottom:20px;padding:15px;background-color:#fff;border-radius:8px;transition:all 0.3s;}.news-item:hover{transform:translateX(10px);box-shadow:0 5px 15px rgba(0,0,0,0.1);}.news-date{flex:0 0 100px;display:flex;align-items:center;}.date-icon{width:30px;height:30px;margin-right:10px;}.date-icon img{width:100%;height:100%;object-fit:contain;}.date-text{font-size:14px;color:var(--gray-color);}.news-title{flex:1;}.news-title a{color:var(--primary-color);font-weight:bold;transition:all 0.3s;}.news-title a:hover{color:var(--secondary-color);}.solutions{padding:60px 0;}.solution-tabs{display:flex;justify-content:center;margin-bottom:30px;flex-wrap:wrap;}.solution-tab{padding:10px 20px;background-color:#f0f0f0;color:var(--text-color);margin:0 5px 10px;border-radius:4px;cursor:pointer;transition:all 0.3s;}.solution-tab.active,.solution-tab:hover{background-color:var(--secondary-color);color:#fff;}.solution-content{min-height:300px;background-color:#fff;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,0.05);padding:30px;}.max-width-164{filter:drop-shadow(0 1px 0 #fff);}.my-auto{padding:0 0.5rem;}.dig-popup{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,0.7);display:none;justify-content:center;align-items:center;z-index:1000;}.popup-content{background-color:#fff;padding:30px;border-radius:5px;max-width:500px;width:90%;}.popup-content p{margin-bottom:20px;}.dig-options{margin-bottom:20px;}.dig-option{display:flex;align-items:center;padding:10px;margin-bottom:10px;border-radius:4px;cursor:pointer;transition:all 0.3s;}.dig-option:hover{background-color:#f0f0f0;}.lang-flag{width:24px;margin-right:10px;}.popup-buttons{display:flex;justify-content:center;}.change-lang-btn{background-color:var(--blue-color);color:#fff;padding:10px 20px;border-radius:4px;cursor:pointer;}.close-popup-btn{background-color:#f0f0f0;color:#333;padding:10px 20px;border-radius:4px;cursor:pointer;}.mobile-menu{position:fixed;top:80px;left:0;width:100%;height:calc(100% - 80px);background-color:#fff;padding:20px;transform:translateX(-100%);transition:all 0.3s;z-index:99;overflow-y:auto;}.mobile-menu::after{background-repeat:no-repeat;background-image:url(/v3/public/home-about-bg.jpg);content:'';position:absolute;bottom:0;left:0;right:0;height:100vh;filter:opacity(0.1);background-position:center;background-repeat:no-repeat;background-size:contain;z-index:-1;}.mobile-menu.active{transform:translateX(0);}.mobile-lang-menu{margin-top:20px;padding-top:20px;border-top:1px solid var(--border-color);}.mobile-lang-menu h3{font-size:18px;margin-bottom:15px;color:var(--primary-color);}.mobile-lang-menu ul li{margin-bottom:10px;}.mobile-lang-menu ul li a{display:flex;align-items:center;padding:8px 0;}.mobile-lang-menu ul li a img{width:20px;margin-right:10px;}.social-links a{width:40px;height:40px;border-radius:50%;background-color:rgba(255,255,255,0.1);display:flex;justify-content:center;align-items:center;margin-right:10px;transition:all 0.3s;}.social-links a:hover{background-color:var(--secondary-color);}.back-to-top{position:fixed;right:30px;bottom:30px;width:50px;height:50px;background-color:var(--secondary-color);color:#fff;border-radius:50%;display:flex;justify-content:center;align-items:center;cursor:pointer;opacity:0;visibility:hidden;transition:all 0.3s;z-index:90;}.back-to-top.show{opacity:1;visibility:visible;}.arrow-up{font-size:24px;}