/* ===== 全局 ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","微软雅黑","PingFang SC",Arial,sans-serif;color:#333;line-height:1.6;font-size:14px}

body {
     background-image: url('images/bg.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  background-attachment: fixed; /* 关键：背景固定，不随滚动 */}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
.container{width:1200px;margin:0 auto;padding:0 15px}

/* ===== 顶部条 ===== */
.top-bar{background:#f5f5f5;border-bottom:1px solid #e8e8e8;font-size:12px;color:#888;height:36px}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;height:36px}
.top-bar .welcome span{color:#e63e20}
.top-bar .links a{margin-left:20px}
.top-bar .links a:hover{color:#e63e20}

/* ===== 头部导航 ===== */
.header{background:#fff;box-shadow:0 4px 12px rgba(0,0,0,0.1);position:relative;z-index:100}
.header .container{display:flex;justify-content:space-between;align-items:center;height:90px}
.logo{display:flex;flex-direction:column;align-items:center;gap:4px}
.logo-img{width:220px;height:50px;background:#f5f5f5;display:flex;align-items:center;justify-content:center;color:#e63e20;font-size:24px;font-weight:bold;letter-spacing:6px}
.logo-slogan{font-size:12px;color:#999;letter-spacing:4px}

.nav{display:flex;align-items:center}
.nav > li{position:relative;margin:0 6px}
.nav > li > a{display:block;padding:6px 20px;font-size:16px;color:#333;border-radius:18px;transition:all 0.3s}
.nav > li:hover > a,.nav > li.active > a{background:#e63e20;color:#fff}

/* 下拉菜单 */
.nav .submenu{position:absolute;top:calc(100% + 15px);left:50%;transform:translateX(-50%) translateY(8px);min-width:150px;background:#fff;box-shadow:0 8px 30px rgba(0,0,0,0.12);border-radius:4px;padding:6px 0;opacity:0;visibility:hidden;transition:all 0.25s ease;z-index:200;border-top:3px solid #e63e20}
.nav .submenu::after{content:'';position:absolute;top:-15px;left:0;right:0;height:15px}
.nav > li:hover .submenu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav .submenu li{border-bottom:1px solid #f2f2f2}
.nav .submenu li:last-child{border-bottom:none}
.nav .submenu li a{display:block;padding:12px 22px;font-size:14px;color:#555;transition:all 0.25s;white-space:nowrap;border-left:3px solid transparent;margin-left:8px}
.nav .submenu li a:hover{background:#fff5f3;color:#e63e20;border-left-color:#e63e20;margin-left:0}

.nav-phone{margin-left:10px;background:#e63e20;color:#fff;padding:0 24px 0 36px;height:46px;display:flex;align-items:center;font-size:15px;font-weight:bold;letter-spacing:1px;clip-path:polygon(14px 0,100% 0,100% 100%,0 100%)}
.nav-phone .phone-label{font-weight:normal;font-size:14px;margin-right:8px;opacity:0.9}

/* ===== 轮播图 ===== */
.banner{position:relative;height:520px;overflow:hidden;background:#0a1a3a}
.banner-slides{position:relative;width:100%;height:100%}
.banner-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 0.8s ease-in-out}
.banner-slide.active{opacity:1}
.banner-slide img{width:100%;height:100%;object-fit:cover}
.banner-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:3}
.banner-dots span{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,0.5);cursor:pointer;transition:all 0.3s;border:2px solid #fff}
.banner-dots span.active{background:#e63e20;border-color:#e63e20;width:36px;border-radius:6px}
.banner-arrow{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;background:rgba(0,0,0,0.3);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;cursor:pointer;z-index:3;transition:background 0.3s}
.banner-arrow:hover{background:rgba(230,62,32,0.8)}
.banner-arrow.prev{left:30px}
.banner-arrow.next{right:30px}

/* ===== 通用标题 ===== */
.section-title{text-align:center;margin-bottom:45px}
.section-title h2{font-size:32px;color:#333;font-weight:bold;position:relative;display:inline-block;padding-bottom:15px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#e63e20}
.section-title p{color:#888;font-size:14px;margin-top:12px;letter-spacing:2px}

/* ===== 四图展示区 ===== */
.featured{padding:30px 0;background:#fff}
.featured-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.featured-card{position:relative;border-radius:10px;overflow:hidden;height:380px;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
.featured-card .img-box{width:100%;height:100%;overflow:hidden}
.featured-card .img-box img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.featured-card:hover .img-box img{transform:scale(1.08)}
.featured-card .overlay{position:absolute;bottom:0;left:0;right:0;padding:15px 20px;background:#ffffff;color:#e63e20; text-align:center}
.featured-card .overlay h3{font-size:16px;font-weight:bold;margin-bottom:6px; border:#e63e20 2px solid; text-align:center}
.featured-card .overlay p{font-size:13px;opacity:0.85}

/* ===== 产品横向滚动 ===== */
.products{padding:70px 0;background:#f9f9f9}
.product-scroll-wrap{position:relative;margin:0 -15px;padding:0 15px}
.product-scroll{display:flex;gap:20px;overflow-x:scroll;padding:10px 0;scroll-behavior:auto}
.product-scroll::-webkit-scrollbar{display:none}
.product-scroll{-ms-overflow-style:none;scrollbar-width:none}
.product-item{flex:0 0 280px;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,0.06);transition:all 0.3s}
.product-item:hover{transform:translateY(-6px);box-shadow:0 8px 25px rgba(0,0,0,0.12)}
.product-item .img-box{height:220px;overflow:hidden;background:#f5f5f5;position:relative;display:flex;align-items:center;justify-content:center}
.product-item .img-box::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.25);opacity:0;transition:opacity 0.3s;pointer-events:none}
.product-item:hover .img-box::after{opacity:1}
.product-item .img-box img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s}
.product-item:hover .img-box img{transform:scale(1.08)}
.product-item .info{padding:18px;text-align:center}
.product-item .info h3{font-size:16px;color:#333;margin-bottom:8px;font-weight:normal}
.product-item .info p{font-size:13px;color:#999;line-height:1.5;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;height:42px}
.product-item .info .more{display:inline-block;padding:6px 20px;border:1px solid #e63e20;color:#e63e20;border-radius:20px;font-size:13px;transition:all 0.3s}
.product-item .info .more:hover{background:#e63e20;color:#fff}

.scroll-btn{position:absolute;top:45%;width:44px;height:44px;background:#fff;border:1px solid #ddd;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:22px;color:#666;cursor:pointer;z-index:5;box-shadow:0 2px 10px rgba(0,0,0,0.1);transition:all 0.3s}
.scroll-btn:hover{background:#e63e20;color:#fff;border-color:#e63e20}
.scroll-btn.prev{left:-22px}
.scroll-btn.next{right:-22px}

.products-more{text-align:center;margin-top:40px}
.products-more a{display:inline-block;padding:12px 40px;border:2px solid #e63e20;color:#e63e20;border-radius:30px;font-size:15px;transition:all 0.3s}
.products-more a:hover{background:#e63e20;color:#fff}

/* ===== 关于我们 ===== */
.about{padding:80px 0;background:#fff}
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-text h2{font-size:30px;color:#333;margin-bottom:8px}
.about-text .sub-title{color:#e63e20;font-size:14px;margin-bottom:20px;letter-spacing:2px}
.about-text .desc{color:#666;font-size:14px;line-height:1.8;margin-bottom:15px}
.about-stats{display:flex;gap:40px;margin:25px 0}
.about-stats .stat-item .num{font-size:32px;color:#e63e20;font-weight:bold}
.about-stats .stat-item .label{font-size:13px;color:#888}
.about-btn{display:inline-block;padding:12px 35px;background:#e63e20;color:#fff;border-radius:30px;font-size:14px;transition:all 0.3s}
.about-btn:hover{background:#c8351c;transform:translateY(-2px)}
.about-video{position:relative;border-radius:10px;overflow:hidden;box-shadow:0 5px 25px rgba(0,0,0,0.1);background:#000;aspect-ratio:16/9}
.about-video video{width:100%;height:100%;object-fit:cover;display:block;background:#000}
.about-video .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80px;height:80px;background:rgba(230,62,32,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all 0.3s;z-index:2}
.about-video .play-btn::before{content:'';border-left:22px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:8px}
.about-video .play-btn:hover{transform:translate(-50%,-50%) scale(1.1);background:rgba(200,53,28,0.95)}
.about-video .video-cover{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1}
.about-video.playing .video-cover,.about-video.playing .play-btn{display:none}

/* ===== 新闻资讯 ===== */
.news{padding:70px 0;background:#f9f9f9}
.news-wrap{display:grid;grid-template-columns:480px 1fr;gap:40px}
.news-feature{position:relative;border-radius:10px;overflow:hidden;height:100%;min-height:380px;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
.news-feature img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.news-feature:hover img{transform:scale(1.05)}
.news-feature .overlay{position:absolute;bottom:0;left:0;right:0;padding:30px 25px;background:linear-gradient(to top,rgba(0,0,0,0.85),transparent);color:#fff}
.news-feature .overlay .date{font-size:13px;opacity:0.85;margin-bottom:8px}
.news-feature .overlay h3{font-size:22px;font-weight:bold;margin-bottom:10px;line-height:1.4}
.news-feature .overlay p{font-size:13px;opacity:0.85;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

.news-tabs{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,0.08)}
.news-tab-header{display:flex;border-bottom:2px solid #f0f0f0}
.news-tab-header .tab{flex:1;padding:18px 20px;text-align:center;font-size:18px;color:#666;cursor:pointer;position:relative;transition:all 0.3s;background:#fafafa}
.news-tab-header .tab.active{color:#e63e20;background:#fff}
.news-tab-header .tab.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:3px;background:#e63e20}
.news-tab-body{padding:10px 25px}
.news-tab-pane{display:none}
.news-tab-pane.active{display:block}
.news-item{display:flex;padding:18px 0;border-bottom:1px dashed #eee;align-items:flex-start;cursor:pointer}
.news-item:last-child{border-bottom:none}
.news-date{flex-shrink:0;width:80px;text-align:center;margin-right:20px;border-right:1px solid #eee;padding-right:15px}
.news-date .day{font-size:26px;color:#e63e20;font-weight:bold;line-height:1}
.news-date .month{font-size:12px;color:#999;margin-top:4px}
.news-content{flex:1}
.news-content h4{font-size:16px;color:#333;margin-bottom:6px;font-weight:normal;transition:color 0.3s}
.news-item:hover .news-content h4{color:#e63e20}
.news-content p{font-size:13px;color:#999;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more-link{display:inline-block;margin-top:10px;color:#e63e20;font-size:13px}
.news-more-link:hover{text-decoration:underline}

/* ===== 三栏图片区 ===== */
.columns{padding:70px 0;background:#fff}
.columns-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.column-card{display:block;border-radius:10px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,0.08);transition:all 0.3s;background:#fff;color:inherit}
.column-card:hover{transform:translateY(-6px);box-shadow:0 8px 25px rgba(0,0,0,0.12)}
.column-card .img-box{height:390px;overflow:hidden}
.column-card .img-box img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.column-card:hover .img-box img{transform:scale(1.08)}
.column-card .body{padding:25px;text-align:center;background:#e63e20}
.column-card .body h3{font-size:22px;color:#fff;margin-bottom:10px;position:relative;padding-bottom:15px;transition:all 0.3s}
.column-card .body h3::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:40px;height:2px;background:#fff;transition:width 0.3s}
.column-card:hover .body h3::after{width:70px}
.column-card .body p{font-size:13px;color:rgba(255,255,255,0.9);line-height:1.7;margin-bottom:0}

/* ===== 联系横幅 ===== */
.contact-cta{background:linear-gradient(135deg,#0a1a3a 0%,#1a3a6a 100%);padding:50px 0;text-align:center;color:#fff}
.contact-cta h2{font-size:30px;margin-bottom:12px}
.contact-cta p{font-size:16px;opacity:0.9;margin-bottom:25px}
.contact-cta .phone{font-size:36px;font-weight:bold;color:#fff}
.contact-cta .phone span{color:#e63e20}

/* ===== 底部 ===== */
/* ===== 底部 ===== */
.footer{background-color: rgb(79, 79, 79);color:#ccc;}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr 1.3fr;gap:40px;align-items:start;padding:45px 0;}
.footer-logo{background:url(images/dibg.png) no-repeat right center;height:215px;}
.footer-logo .logo-img{width:180px;height:90px;background:#5a5a5a;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:bold;margin-bottom:10px}
.logoimg{width:170px; height:70px;}
.footer-logo .hotline-label{font-size:13px;color:#ddd;margin-bottom:6px}
.footer-logo .hotline-phone{font-size:24px;color:#fff;font-weight:500;letter-spacing:1px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:bold}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:13px;color:#ccc;transition:color 0.3s}
.footer-col ul li a:hover{color:#ff6a50}
.footer-qr{text-align:center}
.footer-qr .qr-box{width:130px;height:130px;background:#fff;margin:0 auto 10px;overflow:hidden}
.footer-qr .qr-box img{width:100%;height:100%;object-fit:cover}
.footer-qr p{text-align:center;font-size:12px;color:#ccc}
.footer-bottom{background:#fff;text-align:center;color:#888;font-size:12px;padding:20px 0;line-height:1.8}
.footer-bottom p{margin:0}
/* ===== 悬浮客服 ===== */
.float-service{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:99}
.float-service .item{width:50px;height:50px;background:#e63e20;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;margin-bottom:5px;cursor:pointer;transition:all 0.3s;font-size:11px}
.float-service .item:hover{background:#c8351c;transform:translateX(-5px)}
.float-service .item .icon{font-size:20px;margin-bottom:2px}
.float-service .back-top{background:#999}
.float-service .back-top:hover{background:#666}





/* ===== 新闻列表页 ===== */
/* ===== 新闻列表页 ===== */
.news-banner{height:420px;display:block}
.news-banner > img{opacity:0.9}
.news-banner .page-banner-content{position:absolute;top:22%;left:50%;transform:translate(-50%,-50%);width:100%;z-index:2;text-align:center;color:#fff}
.news-banner .page-banner-content h1{font-size:68px;font-weight:bold;letter-spacing:8px;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,0.35)}
.news-banner .page-banner-content p{font-size:18px;letter-spacing:4px;opacity:0.95;text-shadow:0 1px 8px rgba(0,0,0,0.35)}
.news-tabs2{position:absolute;left:0;right:0;bottom:0;z-index:2}
.news-tabs2 .container{display:flex;background:rgba(35,18,8,0.45)}
.news-tabs2 a{display:flex;align-items:center;justify-content:center;width:240px;height:48px;color:#fff;font-size:16px;font-weight:bold;letter-spacing:3px;transition:background 0.3s}
.news-tabs2 a:hover{background:rgba(255,255,255,0.12)}
.news-tabs2 a.active{background:#e63e20}

.news-list-section{padding:40px 0 60px;background:#fff}
.news-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:15px;border-bottom:2px solid #f0f0f0}
.news-list-header .title{font-size:22px;color:#333;font-weight:bold}
.news-list-header .title span{color:#e63e20;font-size:16px;margin-left:8px}
.news-list-header .filter-bar{display:flex;align-items:center;gap:12px;font-size:13px;color:#888}
.news-list-header .filter-bar .filter-item{cursor:pointer;padding:6px 14px;border:1px solid #e0e0e0;border-radius:15px;transition:all 0.3s}
.news-list-header .filter-bar .filter-item.active,.news-list-header .filter-bar .filter-item:hover{background:#e63e20;color:#fff;border-color:#e63e20}

.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.news-item{display:flex;flex-direction:column;background:#f1f1f1;border:1px solid #e1e1e1;border-radius:10px;overflow:hidden;transition:all 0.3s}
.news-item:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,0.1);border-color:#eee}
.news-item .img-box{width:100%;height:200px;overflow:hidden;background:#f9f9f9;border-radius:0}
.news-item .img-box img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.news-item:hover .img-box img{transform:scale(1.06)}
.news-item .content{display:flex;flex-direction:column;justify-content:flex-start;padding:20px;transition:background 0.3s}
.news-item:hover .content{background:#e63e20}
.news-item .content .title{font-size:16px;color:#333;font-weight:bold;line-height:1.5;margin-bottom:10px;transition:color 0.3s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover .content .title{color:#fff}
.news-item .content .meta{display:flex;align-items:center;gap:10px;font-size:12px;color:#999;margin-bottom:10px}
.news-item:hover .content .meta{color:rgba(255,255,255,0.8)}
.news-item .content .meta .tag{padding:2px 8px;background:#fff5f3;color:#e63e20;border-radius:4px;font-size:12px}
.news-item:hover .content .meta .tag{background:rgba(255,255,255,0.2);color:#fff}
.news-item .content .meta .date{color:#999}
.news-item:hover .content .meta .date{color:rgba(255,255,255,0.8)}
.news-item .content .desc{font-size:13px;color:#666;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color 0.3s}
.news-item:hover .content .desc{color:rgba(255,255,255,0.9)}


/* ===== 新闻正文页 ===== */
.news-detail-section{padding:40px 0 30px;background:#fff}
.news-detail{max-width:900px;margin:0 auto}
.news-detail-header{text-align:center;padding-bottom:25px;margin-bottom:30px;border-bottom:1px solid #eee}
.news-detail-title{font-size:28px;color:#333;font-weight:bold;line-height:1.5;margin-bottom:18px}
.news-detail-meta{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:20px;font-size:13px;color:#999}
.news-detail-meta .meta-tag{padding:3px 12px;background:#fff5f3;color:#e63e20;border-radius:4px;font-size:12px}

.news-detail-body{font-size:16px;color:#444;line-height:2}
.news-detail-body p{margin-bottom:20px;text-align:justify}
.news-detail-body strong{color:#e63e20;font-weight:bold}
.news-detail-body h2{font-size:22px;color:#333;font-weight:bold;margin:35px 0 18px;padding-left:14px;border-left:5px solid #e63e20;line-height:1.4}
.news-detail-body h3{font-size:18px;color:#333;font-weight:bold;margin:28px 0 14px;line-height:1.5}
.news-detail-img{margin:25px 0;text-align:center}
.news-detail-img img{width:100%;border-radius:8px;box-shadow:0 4px 18px rgba(0,0,0,0.08)}
.news-detail-imgs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}

.news-detail-nav{margin-top:40px;padding:25px 0;border-top:1px solid #eee;display:flex;flex-direction:column;gap:12px}
.news-detail-nav a{display:flex;align-items:baseline;gap:12px;font-size:14px;color:#666;transition:color 0.3s}
.news-detail-nav a:hover{color:#e63e20}
.news-detail-nav a .label{flex:0 0 56px;color:#e63e20;font-weight:bold}
.news-detail-nav a .text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-detail-back{background:#fff;padding:0 0 50px}
.back-list-btn{display:inline-block;padding:10px 32px;border:1px solid #e63e20;color:#e63e20;border-radius:25px;font-size:14px;transition:all 0.3s}
.back-list-btn:hover{background:#e63e20;color:#fff}

/* ===== 产品列表页 ===== */
/* 顶部Banner */
.page-banner{position:relative;height:300px;overflow:hidden;background:linear-gradient(135deg,#0a1a3a 0%,#1a3a6a 100%);display:flex;align-items:center;justify-content:center}
.page-banner img{position:absolute;width:100%;height:100%;object-fit:cover;opacity:0.9}
.page-banner .page-banner-content{position:relative;z-index:2;text-align:center;color:#fff}
.page-banner .page-banner-content h1{font-size:42px;font-weight:bold;margin-bottom:12px;text-shadow:0 2px 10px rgba(0,0,0,0.5)}
.page-banner .page-banner-content p{font-size:16px;opacity:0.9;letter-spacing:2px}

/* 横向分类导航 */
.category-nav{background:#fff;border-bottom:1px solid #eee;box-shadow:0 2px 6px rgba(0,0,0,0.04)}
.category-nav .container{display:flex;justify-content:center;align-items:center;height:60px}
.category-nav a{padding:8px 24px;font-size:15px;color:#555;border-radius:20px;transition:all 0.3s;margin:0 4px}
.category-nav a:hover,.category-nav a.active{background:#e63e20;color:#fff}

/* 面包屑 */
.breadcrumb{background:#f5f5f5;padding:15px 0;font-size:13px;color:#888}
.breadcrumb a{color:#888}
.breadcrumb a:hover{color:#e63e20}
.breadcrumb .sep{margin:0 8px;color:#ccc}
.breadcrumb .current{color:#333}

/* 产品列表主体 */
.product-list-section{padding:40px 0 60px;background:#fff}
.product-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px;padding-bottom:15px;border-bottom:2px solid #f0f0f0}
.product-list-header .title{font-size:22px;color:#333;font-weight:bold}
.product-list-header .title span{color:#e63e20;font-size:16px;margin-left:8px}
.product-list-header .sort-bar{display:flex;align-items:center;gap:15px;font-size:13px;color:#888}
.product-list-header .sort-bar .sort-item{cursor:pointer;padding:6px 14px;border:1px solid #e0e0e0;border-radius:15px;transition:all 0.3s}
.product-list-header .sort-bar .sort-item.active,.product-list-header .sort-bar .sort-item:hover{background:#e63e20;color:#fff;border-color:#e63e20}

/* 产品网格 */
.product-list-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.product-list-grid .product-card{background:#fff;border:1px solid #eee;border-radius:10px;overflow:hidden;transition:all 0.3s}
.product-list-grid .product-card:hover{transform:translateY(-6px);box-shadow:0 8px 25px rgba(0,0,0,0.12);border-color:#e63e20}
.product-list-grid .product-card .img-box{height:220px;overflow:hidden;background:#f9f9f9;display:flex;align-items:center;justify-content:center}
.product-list-grid .product-card .img-box img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s}
.product-list-grid .product-card:hover .img-box img{transform:scale(1.08)}
.product-list-grid .product-card .info{padding:18px 15px;text-align:center}
.product-list-grid .product-card .info h3{font-size:15px;color:#333;font-weight:normal;margin-bottom:8px;line-height:1.4;transition:color 0.3s}
.product-list-grid .product-card:hover .info h3{color:#e63e20}
.product-list-grid .product-card .info .desc{font-size:12px;color:#999;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;min-height:36px}
.product-list-grid .product-card .info .more{display:inline-block;padding:6px 18px;border:1px solid #e63e20;color:#e63e20;border-radius:20px;font-size:12px;transition:all 0.3s}
.product-list-grid .product-card .info .more:hover{background:#e63e20;color:#fff}

/* 分页 */
.pagination{display:flex;justify-content:center;align-items:center;margin-top:50px;gap:8px}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border:1px solid #e0e0e0;border-radius:6px;color:#666;font-size:14px;transition:all 0.3s}
.pagination a:hover{border-color:#e63e20;color:#e63e20}
.pagination .current{background:#e63e20;color:#fff;border-color:#e63e20}
.pagination .nav-btn{padding:0 14px}
.pagination .ellipsis{border:none;background:transparent;cursor:default}

/* ===== 产品详情页 ===== */
.detail-section{padding:30px 0 60px;background:#fff}
.detail-top{display:grid;grid-template-columns:500px 1fr;gap:40px;margin-bottom:40px}

/* 左侧图片区 *
.detail-gallery{position:sticky;top:100px}
.detail-main-img{width:100%;height:500px;border:1px solid #eee;border-radius:10px;overflow:hidden;background:#f9f9f9;display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.detail-main-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s}
.detail-main-img:hover img{transform:scale(1.05)}
.detail-thumbs{display:flex;gap:10px}
.detail-thumbs .thumb{width:80px;height:80px;border:1px solid #eee;border-radius:6px;overflow:hidden;cursor:pointer;transition:all 0.3s;background:#f9f9f9}
.detail-thumbs .thumb img{width:100%;height:100%;object-fit:cover}
.detail-thumbs .thumb:hover,.detail-thumbs .thumb.active{border-color:#e63e20;box-shadow:0 0 0 2px rgba(230,62,32,0.2)}

右侧信息区 */
.detail-info h1{font-size:28px;color:#333;font-weight:bold;margin-bottom:15px;line-height:1.4}
.detail-info .subtitle{font-size:14px;color:#999;margin-bottom:20px;padding-bottom:15px;border-bottom:1px dashed #eee}
.detail-attrs{background:#f9f9f9;border-radius:8px;padding:20px 25px;margin-bottom:25px}
.detail-attrs .attrs-title{font-size:15px;color:#333;font-weight:bold;margin-bottom:15px;padding-bottom:10px;border-bottom:1px solid #eee}
.detail-attrs .attrs-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 25px}
.detail-attrs .attrs-list .attr-item{font-size:13px;color:#666;display:flex}
.detail-attrs .attrs-list .attr-item .label{color:#999;min-width:80px;flex-shrink:0}
.detail-attrs .attrs-list .attr-item .value{color:#333;flex:1}
.detail-attrs .attrs-toggle{text-align:center;margin-top:15px;padding-top:10px;border-top:1px solid #eee}
.detail-attrs .attrs-toggle a{color:#e63e20;font-size:13px}
.detail-attrs .attrs-toggle a:hover{text-decoration:underline}

.detail-actions{display:flex;gap:15px;margin-top:25px}
.detail-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 35px;border-radius:30px;font-size:15px;transition:all 0.3s;cursor:pointer}
.detail-btn.primary{background:#e63e20;color:#fff;border:1px solid #e63e20}
.detail-btn.primary:hover{background:#c8351c;border-color:#c8351c;transform:translateY(-2px);box-shadow:0 5px 15px rgba(230,62,32,0.3)}
.detail-btn.outline{background:#fff;color:#e63e20;border:1px solid #e63e20}
.detail-btn.outline:hover{background:#fff5f3;transform:translateY(-2px)}
.detail-hotline{margin-left:auto;text-align:right;font-size:13px;color:#999}
.detail-hotline .label{display:block;margin-bottom:4px}
.detail-hotline .phone{font-size:22px;color:#e63e20;font-weight:bold}

/* 详情Tab */
.detail-tabs{margin-top:40px;border:1px solid #eee;border-radius:10px;overflow:hidden}
.detail-tab-header{display:flex;border-bottom:2px solid #f0f0f0;background:#fafafa}
.detail-tab-header .tab{padding:18px 40px;font-size:16px;color:#666;cursor:pointer;position:relative;transition:all 0.3s}
.detail-tab-header .tab.active{color:#e63e20;background:#fff}
.detail-tab-header .tab.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:3px;background:#e63e20}
.detail-tab-body{padding:35px 40px;min-height:300px}
.detail-tab-pane{display:none}
.detail-tab-pane.active{display:block;animation:fadeIn 0.3s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

/* 产品特点 */
.feature-list{list-style:none;padding:0}
.feature-list li{padding:12px 0 12px 30px;font-size:14px;color:#555;line-height:1.8;position:relative;border-bottom:1px dashed #f0f0f0}
.feature-list li::before{content:'';position:absolute;left:5px;top:22px;width:8px;height:8px;background:#e63e20;border-radius:50%}
.feature-list li:last-child{border-bottom:none}

/* 参数表格 */
.params-table{width:100%;border-collapse:collapse;font-size:14px}
.params-table tr:nth-child(odd){background:#fafafa}
.params-table td{padding:14px 20px;border:1px solid #eee;color:#555}
.params-table td.label{width:240px;color:#888;font-weight:bold;background:#f5f5f5}

/* 相关商品 */
.related-products{margin-top:60px}
.related-products .related-title{font-size:22px;color:#333;font-weight:bold;margin-bottom:25px;padding-bottom:15px;border-bottom:2px solid #f0f0f0;position:relative}
.related-products .related-title::after{content:'';position:absolute;bottom:-2px;left:0;width:60px;height:3px;background:#e63e20}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.related-grid .product-card{background:#fff;border:1px solid #eee;border-radius:10px;overflow:hidden;transition:all 0.3s}
.related-grid .product-card:hover{transform:translateY(-6px);box-shadow:0 8px 25px rgba(0,0,0,0.12);border-color:#e63e20}
.related-grid .product-card .img-box{height:200px;overflow:hidden;background:#f9f9f9}
.related-grid .product-card .img-box img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s}
.related-grid .product-card:hover .img-box img{transform:scale(1.08)}
.related-grid .product-card .info{padding:15px;text-align:center}
.related-grid .product-card .info h3{font-size:14px;color:#333;font-weight:normal;line-height:1.4;transition:color 0.3s}
.related-grid .product-card:hover .info h3{color:#e63e20}


/* ===== 联系我们页 ===== */
.contact-hotline{background:linear-gradient(120deg,#e63e20 0%,#c8351c 100%);color:#fff}
.contact-hotline .container{display:flex;justify-content:space-between;align-items:center;padding:32px 15px}
.contact-hotline .hotline-title{font-size:24px;font-weight:bold;letter-spacing:2px;margin-bottom:6px}
.contact-hotline .hotline-desc{font-size:14px;opacity:0.9}
.contact-hotline .hotline-right{display:flex;align-items:center;gap:14px}
.contact-hotline .hotline-right .icon{font-size:34px}
.contact-hotline .hotline-right .num{font-size:38px;font-weight:bold;letter-spacing:2px}

.contact-section{padding:70px 0;background:#fff}
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-bottom:70px}
.contact-card{background:#fff;border:1px solid #eee;border-radius:10px;overflow:hidden;transition:all 0.3s;display:flex;flex-direction:column}
.contact-card:hover{transform:translateY(-6px);box-shadow:0 10px 30px rgba(230,62,32,0.15);border-color:#e63e20}
.contact-card .card-header{background:#e63e20;color:#fff;text-align:center;padding:22px 15px}
.contact-card .card-header .dept{font-size:15px;opacity:0.9;letter-spacing:1px;margin-bottom:8px}
.contact-card .card-header .person{font-size:24px;font-weight:bold;letter-spacing:2px}
.contact-card .card-info{padding:20px 22px;flex:1}
.contact-card .card-info li{font-size:14px;color:#555;line-height:1.7;margin-bottom:12px}
.contact-card .card-info li:last-child{margin-bottom:0}
.contact-card .card-info .label{color:#999}
.contact-card .card-info .sub{font-size:12px;color:#aaa}
.contact-card .card-divider{height:1px;background:#f0f0f0;margin:0 22px}

.contact-company{margin-bottom:60px}
.company-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.company-item{background:#f9f9f9;border-radius:10px;padding:40px 30px;text-align:center;transition:all 0.3s;border:1px solid transparent}
.company-item:hover{background:#fff;border-color:#e63e20;box-shadow:0 8px 25px rgba(0,0,0,0.08);transform:translateY(-4px)}
.company-item .company-icon{width:66px;height:66px;margin:0 auto 18px;border-radius:50%;background:#fff5f3;color:#e63e20;font-size:30px;display:flex;align-items:center;justify-content:center;transition:all 0.3s}
.company-item:hover .company-icon{background:#e63e20;color:#fff}
.company-item h3{font-size:20px;color:#333;margin-bottom:12px}
.company-item .company-name{font-size:14px;color:#e63e20;font-weight:bold;margin-bottom:10px}
.company-item .company-addr{font-size:14px;color:#666;line-height:1.7;margin-bottom:8px}
.company-item .company-tel{font-size:13px;color:#999}

.contact-map{position:relative;border-radius:10px;overflow:hidden;height:380px;box-shadow:0 4px 18px rgba(0,0,0,0.08)}
.contact-map img{width:100%;height:100%;object-fit:cover}
.contact-map .map-mask{position:absolute;left:0;right:0;bottom:0;padding:20px 30px;background:linear-gradient(to top,rgba(0,0,0,0.75),transparent)}
.contact-map .map-tip{color:#fff;font-size:16px;letter-spacing:1px}

/* 在线留言表单 */
.message-section{background:#f5f5f5;padding:50px 0 60px}
.message-title{text-align:center;font-size:30px;color:#333;font-weight:normal;margin-bottom:40px}
.message-form .message-row{display:grid;grid-template-columns:repeat(3,1fr);gap:50px;margin-bottom:35px}
.message-form input,.message-form textarea{width:100%;background:#f5f5f5;border:1px solid #c8c8c8;border-radius:4px;padding:0 10px;font-size:14px;color:#333;font-family:inherit;outline:none;transition:border-color 0.3s}
.message-form input{height:40px}
.message-form textarea{height:180px;padding:18px;resize:none;line-height:1.7}
.message-form input::placeholder,.message-form textarea::placeholder{color:#888}
.message-form input:focus,.message-form textarea:focus{border-color:#e63e20}
.message-submit{text-align:center;margin-top:45px}
.message-submit button{width:160px;height:44px;background:#e63e20;color:#fff;border:none;border-radius:8px;font-size:20px;letter-spacing:4px;cursor:pointer;transition:background 0.3s}
.message-submit button:hover{background:#c8351c}



/* 地图+公司信息卡片 */
.contact-location{display:grid;grid-template-columns:2.2fr 1fr;gap:40px;align-items:center;background:#fff;border-radius:12px;padding:24px;box-shadow:0 0 0 3px rgba(230,62,32,0.08),0 8px 30px rgba(230,62,32,0.1)}
.location-map{position:relative;border-radius:8px;overflow:hidden}
.location-map img{width:100%;height:100%;object-fit:cover;display:block}
.location-map .map-pin{position:absolute;top:48%;left:46%;width:38px;height:38px;color:#e63e20;filter:drop-shadow(0 3px 4px rgba(0,0,0,0.35));transform:translate(-50%,-100%);animation:pinBounce 2s infinite}
@keyframes pinBounce{0%,100%{transform:translate(-50%,-100%)}50%{transform:translate(-50%,-108%)}}
.location-map .map-pin svg{width:100%;height:100%}
.location-info h3{font-size:20px;color:#222;font-weight:bold;line-height:1.4;margin-bottom:28px}
.location-info ul li{display:flex;align-items:flex-start;gap:18px;margin-bottom:26px}
.location-info ul li:last-child{margin-bottom:0}
.location-info .loc-icon{flex:0 0 46px;width:46px;height:46px;border-radius:50%;background:#e63e20;color:#fff;display:flex;align-items:center;justify-content:center}
.location-info .loc-icon svg{width:24px;height:24px}
.location-info .loc-text{font-size:14px;color:#333;line-height:1.75;padding-top:6px}


/* ===== 关于我们页 ===== */
.about-subnav{background:#fff;border-bottom:1px solid #f0f0f0}
.about-subnav .container{display:flex;align-items:center;height:96px}
.about-subnav a{flex:1;display:flex;align-items:center;justify-content:center;height:45px;font-size:16px;color:#555;letter-spacing:2px;position:relative;transition:color 0.3s}
.about-subnav a:hover{color:#e63e20}
.about-subnav a.active{color:#fff;background:#e63e20;border-radius:8px}
.about-subnav a.active::after{content:'';position:absolute;bottom:-9px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-top:10px solid #e63e20}

.about-intro{position:relative; }
.about-intro-card{position:relative;background:#fff;width:1170px;max-width:calc(100% - 30px);margin:0 auto;padding:70px 85px 80px;box-shadow:0 10px 40px rgba(0,0,0,0.12); margin:100px auto;}
.intro-watermark{position:absolute;top:22px;left:0;right:0;text-align:center;font-size:130px;font-style:italic;font-family:Georgia,"Times New Roman",serif;color:#f2f2f2;letter-spacing:6px;user-select:none;pointer-events:none}
.intro-title{position:relative;text-align:center;font-size:36px;color:#222;font-weight:bold;margin-bottom:14px}
.intro-bar{display:block;width:56px;height:5px;background:#e63e20;margin:0 auto 42px}
.about-intro-card p{position:relative;font-size:17px;color:#555;line-height:2.1;margin-bottom:26px}
.about-intro-card p:last-of-type{margin-bottom:0}
.intro-down{position:absolute;left:50%;bottom:-32px;transform:translateX(-50%);width:66px;height:66px;border-radius:50%;background:linear-gradient(135deg,#ff5a3c 0%,#e63e20 100%);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(230,62,32,0.4);animation:downFloat 1.8s ease-in-out infinite}
.intro-down svg{width:30px;height:30px}
@keyframes downFloat{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

.about-stats{padding:70px 0;background:linear-gradient(120deg,#e63e20 0%,#c8351c 100%);color:#fff;position:relative;overflow:hidden}
.about-stats::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url(../images/bg.jpeg) center/cover no-repeat;opacity:0.12}
.about-stats .section-title{position:relative;z-index:2}
.about-stats .section-title h2{color:#fff}
.about-stats .section-title h2::after{background:#fff}
.about-stats .section-title p{color:rgba(255,255,255,0.85)}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;position:relative;z-index:2}
.stats-item{text-align:center;padding:25px 10px;border-right:1px solid rgba(255,255,255,0.2)}
.stats-item:last-child{border-right:none}
.stats-num{margin-bottom:12px}
.stats-num .num{font-size:72px;font-weight:bold;letter-spacing:2px;line-height:1;display:inline-block}
.stats-num .plus{font-size:40px;font-weight:bold;margin-left:4px;vertical-align:top;line-height:1}
.stats-label{font-size:16px;letter-spacing:1px;opacity:0.95}

.about-base{padding:70px 0;background:#f9f9f9}
.about-base-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center;margin-bottom:55px}
.about-base-text h3{font-size:30px;color:#e63e20;font-weight:bold;margin-bottom:22px}
.about-base-text p{font-size:15px;color:#555;line-height:2;margin-bottom:16px;text-align:justify}
.about-base-text strong{color:#333;font-weight:bold}
.about-base-img{border-radius:10px;overflow:hidden;box-shadow:0 5px 25px rgba(0,0,0,0.1)}
.about-base-img img{width:100%;height:100%;object-fit:cover}
.about-slogan{text-align:center;padding:40px 30px;background:#fff;border-radius:10px;box-shadow:0 4px 18px rgba(0,0,0,0.06)}
.about-slogan h3{font-size:24px;color:#333;font-weight:bold;margin-bottom:10px}
.about-slogan p{font-size:14px;color:#e63e20;letter-spacing:4px}

.about-apps{padding:70px 0;background:#fff}
.apps-desc{text-align:center;font-size:16px;color:#888;margin-top:-25px;margin-bottom:45px;letter-spacing:1px}
.apps-scroll-wrap{overflow:hidden;margin:0 -15px;padding:15px 0}
.apps-scroll{display:flex;gap:25px;width:max-content;will-change:transform}
.apps-item{flex:0 0 200px;height:120px;background:#f9f9f9;border:1px solid #eee;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all 0.3s}
.apps-item span{font-size:28px;color:#999;font-weight:bold;letter-spacing:2px;transition:all 0.3s}
.apps-item:hover{background:#fff5f3;border-color:#e63e20;transform:translateY(-4px);box-shadow:0 6px 18px rgba(230,62,32,0.15)}
.apps-item:hover span{color:#e63e20}

.about-service{padding:70px 0;background:#f9f9f9}
.service-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.service-text h3{font-size:26px;color:#333;font-weight:bold;margin-bottom:22px;padding-left:16px;border-left:5px solid #e63e20;line-height:1.4}
.service-text p{font-size:15px;color:#555;line-height:2;text-align:justify}
.service-text strong{color:#e63e20;font-weight:bold}
.service-circles{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.circle-item{width:140px;height:140px;margin:0 auto;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px rgba(0,0,0,0.08);transition:all 0.3s;position:relative}
.circle-item::before{content:'';position:absolute;inset:6px;border-radius:50%;border:2px dashed rgba(230,62,32,0.3)}
.circle-item span{font-size:26px;color:#e63e20;font-weight:bold;letter-spacing:2px;position:relative;z-index:2}
.circle-item:hover{transform:translateY(-6px) scale(1.05);box-shadow:0 10px 28px rgba(230,62,32,0.25)}

.about-vision{padding:80px 0;background:#fff}
.vision-box{text-align:center;max-width:900px;margin:0 auto;padding:55px 40px;background:linear-gradient(135deg,#fff5f3 0%,#fff 100%);border-radius:12px;border:1px solid rgba(230,62,32,0.15);position:relative}
.vision-box::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:#e63e20;border-radius:0 0 4px 4px}
.vision-box h3{font-size:32px;color:#e63e20;font-weight:bold;margin-bottom:22px;letter-spacing:3px}
.vision-box p{font-size:15px;color:#555;line-height:2;text-align:center}