/* ========== CSS 变量 ========== */
:root {
  --primary-blue: #0c5dca;
  --secondary-blue: #004aae;
  --light-blue: #eff6ff;
  --text-dark: #333;
  --text-gray: #666;
  --text-light: #8888a0;
  --text-white: #fff;
  --border-color: #e7e7ed;
  --accent-green: #ffd700;
  --section-bg: #f0f0f5;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ========== 全局重置 ========== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","微软雅黑",Arial,sans-serif;color:var(--text-dark);line-height:1.6;overflow-x:hidden}
ul{list-style:none}
a{text-decoration:none;color:var(--text-dark);transition:all .3s ease}
img{max-width:100%;display:block}
.clearfix::after{content:"";display:table;clear:both}
/* ========== 容器 ========== */
.container{max-width:1200px;margin:0 auto;}
/* ========== 顶部公告栏 ========== */
.top-bar{background:#0d2233;color:var(--light-blue);font-size:13px;padding:7px 0;border-bottom:1px solid rgba(0,82,204,.3)}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:5px}
.top-bar .welcome{color:var(--light-blue)}
.top-bar .top-links{display:flex;gap:5px;align-items:center}
.top-bar .top-links a{color:var(--light-blue);padding:2px 10px;font-size:12px;display:flex;align-items:center;gap:4px;white-space:nowrap}
.top-bar .top-links a:hover{color:var(--text-white)}
.top-bar .top-links span.sep{color:var(--text-dark);font-size:10px}
/* ========== 头部 ========== */
.header{background:var(--text-white);height:88px;padding:18px 0;position:sticky;top:0;z-index:999;}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-divider{width:1px;height:50px;background:var(--border-color);margin:0 20px;flex-shrink:0}
.header-slogan{flex:1}
.header-slogan .s1{font-size:14px;color:var(--primary-blue);font-weight:700;}
.header-slogan .s2{font-size:14px;color:var(--text-light)}
.header-phone{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-phone .phone-icon{width:40px;height:40px;background:var(--light-blue);border-radius:50%;display:flex;align-items:center;justify-content:center}
.header-phone .phone-icon i{color:var(--primary-blue);font-size:18px}
.header-phone .phone-info .label{font-size:12px;color:var(--text-light)}
.header-phone .phone-info .number{font-size:22px;color:var(--primary-blue);font-weight:700;letter-spacing:1px;line-height:1.2}
/* 汉堡菜单按钮 */
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:5px;flex-direction:column;gap:5px}
.mobile-toggle span{display:block;width:25px;height:2px;background:var(--text-dark);transition:all .3s}
.mobile-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mobile-toggle.active span:nth-child(2){opacity:0}
.mobile-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ========== 导航 ========== */
.nav-bar{background:var(--primary-blue);position:sticky;top:88px;z-index:998}
.nav-bar .container{display:flex;align-items:stretch}
.nav-list{display:flex;width:100%}
.nav-list>li{position:relative;flex:1;text-align:center}
.nav-list>li>a{display:flex;align-items:center;justify-content:center;gap:4px;padding:16px 10px;color:var(--text-white);font-size:15px;font-weight:500;white-space:nowrap;transition:background .3s}
.nav-list>li:hover>a,.nav-list>li.active>a{background:var(--secondary-blue)}
.nav-list>li>a i{font-size:11px;transition:transform .3s}
.nav-list>li:hover>a i{transform:rotate(180deg)}
/* 二级菜单 */
.submenu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:var(--text-white);min-width:167px;box-shadow:0 8px 25px rgba(0,0,0,.15);display:none;z-index:9999}
.submenu li a{display:block;padding:11px 20px;color:var(--text-dark);font-size:16px;border-bottom:1px solid var(--border-color);text-align:left;white-space:nowrap}
.submenu li:last-child a{border-bottom:none}
.submenu li a:hover{background:var(--light-blue);color:var(--primary-blue);padding-left:25px}
.nav-list>li:hover .submenu{display:block}
.mobile-nav-close{display:none;}
/* ========== Hero 轮播 ========== */
.hero-section{position:relative;height:500px;min-height:300px;overflow:hidden;}
.swiper.index-banner{position:relative;height:100%;}
.index-banner .swiper-slide{position:relative;width:100%;height:100%;overflow:hidden;}
.hero-bg{width:100%;height:100%;object-fit:cover;object-position:center;}
/* 轮播分页器 */
.index-banner .swiper-pagination{bottom:30px !important;}
.index-banner .swiper-pagination-bullet{width:20px;height:6px;border-radius:4px;background:rgba(0,0,0,0.5);opacity:1;transition:var(--transition);margin:0 6px !important;}
.index-banner .swiper-pagination-bullet-active{background:var(--primary-blue);width:40px;}
.index-banner .swiper-button-next,.index-banner .swiper-button-prev{color:var(--text-white);background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);width:60px;height:60px;border-radius:50%;border:1px solid rgba(255,255,255,0.2);transition:var(--transition);}
.index-banner .swiper-button-next:hover,.index-banner .swiper-button-prev:hover{background:var(--primary-blue);border-color:var(--primary-blue);}
.index-banner .swiper-button-next:after,.index-banner .swiper-button-prev:after{font-size:18px;}
/* ========== 四大优势 ========== */
.features-bar{background:var(--text-white);border-bottom:1px solid var(--border-color)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.feature-item{display:flex;align-items:center;gap:16px;padding:28px 24px;border-right:1px solid var(--border-color);transition:background .3s}
.feature-item:last-child{border-right:none}
.feature-item:hover{background:var(--light-blue)}
.feature-icon{width:56px;height:56px;background:var(--light-blue);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .3s}
.feature-item:hover .feature-icon{border-color:var(--primary-blue);background:var(--primary-blue)}
.feature-icon i{font-size:22px;color:var(--primary-blue);transition:color .3s}
.feature-item:hover .feature-icon i{color:var(--text-white)}
.feature-txt h3{font-size:17px;color:var(--text-dark);font-weight:700;margin-bottom:3px}
.feature-txt p{font-size:13px;color:var(--text-light)}
/* ========== 通用区块标题 ========== */
.section-header{text-align:center;margin-bottom:50px;position:relative}
.section-header .en-title{font-size:52px;color:var(--border-color);font-weight:400;letter-spacing:4px;line-height:1;margin-bottom:-30px;user-select:none}
.section-header .section-title{font-size:34px;color:var(--text-dark);font-weight:700;position:relative;z-index:1;margin-bottom:14px}
.section-header .section-subtitle{font-size:14px;color:var(--text-light);margin-bottom:16px}
.section-header .line{width:40px;height:3px;background:var(--primary-blue);margin:0 auto}
/* ========== 产品中心 ========== */
.product-section{padding:70px 0;background:var(--section-bg)}
.product-layout{display:flex;gap:0;border-radius:4px;overflow:hidden;}
/* 侧边栏 */
.product-sidebar{width:260px;flex-shrink:0;background:var(--primary-blue);position:relative;overflow:hidden;padding-top:60px;}
.product-sidebar::before{content:"";position:absolute;top:-20px;right:20px;width:77px;height:73px;background:url(../images/product-sidebar-bg.png) no-repeat;}
.sidebar-nav li{height:58px;line-height:58px;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08);}
.sidebar-nav li a{display:flex;align-items:center;justify-content:space-between;padding:0 22px 0 30px;color:rgba(255,255,255,.8);font-size:16px;transition:all .3s}
.sidebar-nav li a:hover,.sidebar-nav li.active a{color:var(--text-white);background:rgba(255,255,255,.12);}
.sidebar-nav li.active a{font-weight:700;color:var(--text-white);background:var(--secondary-blue)}
.sidebar-nav li a i{font-size:12px}
.sidebar-contact{padding:20px 30px;position:relative;z-index:1}
.sidebar-contact .label{font-size:12px;color:rgba(255,255,255,.7);margin-bottom:5px}
.sidebar-contact .tel{font-size:20px;color:var(--accent-green);font-weight:700;letter-spacing:1px}
/* 产品主区域 */
.product-main{flex:1;padding:0 0 0 25px;}
.product-panel{display:none}
.product-panel.active{display:block}
.product-featured{display:flex;height:274px;background:var(--text-white);overflow:hidden;margin-bottom:20px}
.product-featured .pf-img{width:365px;height:274px;flex-shrink:0;background:var(--section-bg);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-featured .pf-img img{width:365px;height:274px;object-fit:cover;transition:transform .4s}
.product-featured:hover .pf-img img{transform:scale(1.03)}
.product-featured .pf-info{flex:1;padding:30px}
.pf-info h3{font-size:20px;color:var(--text-dark);font-weight:700;margin-bottom:15px;line-height:1.4}
.pf-info .pf-desc{font-size:14px;color:var(--text-light);line-height:1.8;margin-bottom:25px}
.btn-more{display:inline-flex;align-items:center;gap:8px;background:var(--primary-blue);color:var(--text-white);padding:11px 28px;font-size:14px;border-radius:2px;transition:background .3s}
.btn-more:hover{background:rgba(0,82,204,.85)}
.product-sub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px}
.sub-product{background:var(--text-white);overflow:hidden;text-align:center;transition:box-shadow .3s;cursor:pointer}
.sub-product .sub-product-img{width:290px;height:218px;overflow:hidden;}
.sub-product img{width:100%;height:218px;object-fit:cover;transition:transform .4s}
.sub-product:hover img{transform:scale(1.05)}
.sub-product .sub-product-name{padding:12px;font-size:16px;color:var(--text-dark);}
.sub-product .sub-product-name a:hover{color:var(--primary-blue);}
/* ========== 选择我们的理由 ========== */
.why-section{padding:70px 0;background:var(--text-white)}
.why-subtitle{text-align:center;font-size:14px;color:var(--text-light);margin-top:-30px;margin-bottom:50px}
.why-subtitle::after{content:"";display:block;width:40px;height:3px;background:var(--primary-blue);margin:14px auto 0}
.why-item{display:flex;align-items:center;gap:60px;margin-bottom:70px}
.why-item.reverse{flex-direction:row-reverse}
.why-item:last-child{margin-bottom:0}
.why-text{flex:1}
.why-text .tag{font-size:14px;color:var(--primary-blue);font-weight:700;letter-spacing:2px;margin-bottom:5px}
.why-text .num{font-size:80px;color:var(--light-blue);font-weight:900;line-height:.8;margin-bottom:5px;font-family:Arial,sans-serif}
.why-text h3{font-size:24px;color:var(--text-dark);font-weight:700;margin-bottom:8px;line-height:1.3}
.why-text .en-sub{font-size:11px;color:var(--text-light);letter-spacing:1px;text-transform:uppercase;margin-bottom:20px}
.why-text ul{list-style:none}
.why-text ul li{display:flex;align-items:flex-start;gap:8px;margin-bottom:10px;font-size:14px;color:var(--text-light)}
.why-text ul li::before{content:"\f058";font-family:'Font Awesome 7 Free';font-weight:900;color:var(--primary-blue);font-size:13px;margin-top:2px;flex-shrink:0}
.why-img{flex:1}
.why-img img{width:100%;border-radius:4px;box-shadow:0 5px 20px rgba(0,0,0,.1)}
/* ========== 品牌横幅 ========== */
.brand-banner{background:var(--primary-blue);position:relative;padding:50px 0;overflow:hidden}
.brand-banner::before{content:"";position:absolute;inset:0;background:url("../images/1920x220.jpg") center/cover no-repeat;}
.brand-banner .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.brand-text .title{font-size:38px;color:var(--text-white);font-weight:700;}
.brand-text .subtitle{font-size:20px;color:rgba(255,255,255,.8)}
.brand-phone{display:flex;align-items:center;gap:14px;padding-left:250px;}
.brand-phone .ph-icon{width:50px;height:50px;background:rgba(255,255,255,.8);border-radius:50%;display:flex;align-items:center;justify-content:center}
.brand-phone .ph-icon i{color:var(--primary-blue);font-size:22px}
.brand-phone .ph-info .ph-label{font-size:16px;color:rgba(255,255,255,.8)}
.brand-phone .ph-info .ph-num{font-size:30px;color:var(--text-white);font-weight:700;letter-spacing:2px;height:40px;line-height:40px;}
.btn-consult{display:inline-flex;align-items:center;padding:13px 45px;border:1px solid var(--text-white);color:var(--text-white);font-size:15px;font-weight:600;border-radius:5px;transition:all .3s;white-space:nowrap}
.btn-consult:hover{background:var(--text-white);color:var(--primary-blue)}
/* ========== 关于我们 ========== */
.about-section{padding:70px 0;background:var(--text-white)}
.about-content{display:flex;gap:50px;align-items:flex-start}
.about-img{flex:1;border-radius:4px;overflow:hidden;box-shadow:0 5px 25px rgba(0,0,0,.1)}
.about-img img{width:100%;display:block;transition:transform .5s}
.about-img:hover img{transform:scale(1.03)}
.about-info{flex:1}
.about-info h3{font-size:22px;color:var(--text-dark);font-weight:700;margin-bottom:16px}
.about-info .about-content{font-size:16px;color:var(--text-dark);line-height:1.8;margin-bottom:25px}
.btn-view{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--primary-blue);color:var(--primary-blue);padding:10px 45px;font-size:14px;border-radius:2px;transition:all .3s}
.btn-view:hover{background:var(--primary-blue);color:var(--text-white)}
/* 资质荣誉 Tabs */
.honor-section{padding:40px 0 70px;background:var(--section-bg)}
.honor-tabs{display:flex;justify-content:center;gap:20px;margin-bottom:40px}
.honor-tab{padding:12px 50px;font-size:15px;border:1px solid var(--border-color);cursor:pointer;transition:all .3s;background:var(--text-white);color:var(--text-light)}
.honor-tab:first-child{border-radius:3px 0 0 3px}
.honor-tab:last-child{border-radius:0 3px 3px 0}
.honor-tab.active{background:var(--primary-blue);color:var(--text-white);border-color:var(--primary-blue)}
.honor-tab:hover:not(.active){background:var(--light-blue);color:var(--primary-blue)}
.honor-content{display:none}
.honor-content.active{display:block}
.honor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.honor-card{border-radius:4px;overflow:hidden;box-shadow:0 3px 15px rgba(0,0,0,.1);transition:transform .3s;position:relative}
.honor-card:hover{transform:translateY(-5px)}
.honor-card img{width:100%;object-fit:cover}
.honor-card span{position:absolute;bottom:0;left:0;right:0;padding:15px;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);color:var(--text-white);font-size:14px;text-align:center;opacity:0;transition:opacity .3s}
.honor-card:hover span{opacity:1}
/* ========== 新闻中心 ========== */
.news-section{padding:70px 0 50px 0;background:var(--text-white)}
.news-tabs{display:flex;justify-content:center;gap:20px;margin-bottom:40px}
.news-tab{padding:11px 45px;font-size:14px;border:1px solid var(--border-color);cursor:pointer;transition:all .3s;background:var(--text-white);color:var(--text-light)}
.news-tab:first-child{border-radius:3px 0 0 3px}
.news-tab:last-child{border-radius:0 3px 3px 0}
.news-tab.active{background:var(--primary-blue);color:var(--text-white);border-color:var(--primary-blue)}
.news-tab:hover:not(.active){background:var(--light-blue);color:var(--primary-blue)}
.news-layout{display:flex;gap:35px;align-items:stretch}
.news-featured{flex:0 0 575px;position:relative;border-radius:4px;overflow:hidden;cursor:pointer}
.news-featured img{width:575px;height:370px;object-fit:cover;min-height:290px;display:block;transition:transform .4s}
.news-featured:hover img{transform:scale(1.05)}
.news-featured .overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.75) 0%,transparent 50%)}
.news-featured .info{position:absolute;bottom:0;left:0;right:0;padding:20px}
.news-featured .info .date{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:6px;display:flex;align-items:center;gap:5px}
.news-featured .info h4{color:var(--text-white);font-size:16px;font-weight:600;line-height:1.5}
.news-list{flex:1;display:flex;flex-direction:column;gap:1px}
.news-list-item{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background .3s}
.news-list-item:last-child{border-bottom:none}
.news-list-item:hover{background:var(--light-blue)}
.news-date-box{flex-shrink:0;width:70px;background:var(--text-white);text-align:center;color:var(--text-gray);border:1px solid var(--border-color);border-radius:4px;padding:12px 5px}
.news-date-box .day{font-size:24px;font-weight:700;line-height:1;color:var(--primary-blue);}
.news-date-box .month{font-size:12px;margin-top:4px;opacity:.85}
.news-item-info h4{font-size:16px;color:var(--text-dark);font-weight:600;margin-bottom:6px;line-height:1.5;transition:color .3s}
.news-list-item:hover h4{color:var(--primary-blue)}
.news-item-info p{font-size:14px;color:var(--text-light);line-height:1.7}
/* 友情链接 */
.friend-links{width:1200px;margin:0 auto 50px;}
.friend-links p{font-size:16px;color:var(--text-light);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.friend-links a{color:var(--text-dark);}
.friend-links a:hover{color:var(--primary-blue);}
/* ========== 页脚 ========== */
.footer{background:#1a1a2e;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.2fr 1.6fr;gap:80px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-about{width:380px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-logo-icon{width:44px;height:44px;border:2px solid var(--text-white);border-radius:6px;display:flex;align-items:center;justify-content:center}
.footer-logo-icon svg{width:32px;height:32px}
.footer-brand span{color:var(--text-white);font-size:16px;font-weight:700}
.footer-desc{font-size:14px;color:rgba(255,255,255,.3);line-height:1.9}
.footer-col h4{color:var(--text-white);font-size:16px;font-weight:600;margin-bottom:18px;padding-bottom:12px;display:inline-block;position:relative;}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--primary-blue);border-radius:2px;}
.footer-nav li{margin-bottom:10px}
.footer-nav li a{font-size:13px;color:rgba(255,255,255,.3);display:flex;align-items:center;gap:6px;transition:all .3s}
.footer-nav li a::before{content:"›";color:var(--text-white);font-size:16px;line-height:1;opacity:0.3;}
.footer-nav li a:hover{color:var(--text-white);padding-left:5px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-contact li i{color:var(--primary-blue);font-size:14px;margin-top:2px;flex-shrink:0;}
.footer-contact li span{line-height:1.6}
.footer-bottom{text-align:center;padding:18px 0;}
.footer-bottom p{font-size:14px;color:rgba(255,255,255,.3)}
.footer-bottom p a{color:rgba(255,255,255,.3);}
/* 回到顶部 */
.back-to-top{position:fixed;bottom:40px;right:40px;width:55px;height:55px;background:#e0e0e0;color:var(--dark);border:none;border-radius:50%;cursor:pointer;font-size:20px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;z-index:999;}
.back-to-top:hover{background:var(--primary-blue);color:var(--text-white);}
.back-to-top.show{opacity:1;visibility:visible;}
/* ========== 移动端适配 ========== */
@media (max-width:992px){.container{padding:0 15px}
.logo-divider{display:none;}
.header-slogan{display:none;}
.hero-section{height:400px;min-height:300px;}
.index-banner .swiper-pagination{bottom:10px !important;}
.index-banner .swiper-pagination-bullet{width:20px;height:3px;}
.index-banner .swiper-pagination-bullet-active{width:40px;}
.index-banner .swiper-button-next,.index-banner .swiper-button-prev{display:none;}
.features-grid{grid-template-columns:repeat(2,1fr)}
.feature-item:nth-child(2){border-right:none}
.feature-item:nth-child(3){border-top:1px solid var(--border-color)}
.feature-item:nth-child(4){border-right:none;border-top:1px solid var(--border-color)}
.product-layout{flex-direction:column}
.product-sidebar{width:100%;padding-top:0}
.product-sidebar::before{display:none}
.sidebar-nav{display:grid;grid-template-columns:repeat(3,1fr)}
.sidebar-contact{text-align:center}
.product-main{padding:20px 0 0 0}
.product-featured{flex-direction:column;height:auto}
.product-featured .pf-img{width:100%;height:auto}
.product-featured .pf-img img{width:100%;height:auto}
.product-featured .pf-info{padding:20px}
.product-sub-grid{grid-template-columns:repeat(2,1fr);gap:15px}
.product-sub-grid .sub-product:nth-child(2n){display:none;}
.sub-product .sub-product-img{width:100%;height:auto}
.sub-product img{height:auto}
.why-item,.why-item.reverse{flex-direction:column;gap:30px}
.why-img{width:100%}
.why-text .num{font-size:60px}
.brand-banner .container{flex-direction:column;text-align:center;gap:20px}
.brand-phone{padding-left:0;justify-content:center}
.about-content{flex-direction:column;gap:30px}
.about-img,.about-info{flex:none;width:100%}
.honor-grid{grid-template-columns:repeat(2,1fr);gap:20px}
.news-layout{flex-direction:column;gap:25px}
.news-featured{flex:none}
.footer{padding-top:10px;}
.footer .container{display:none;}
.footer-about{width:auto}
.friend-links{width:auto;margin:0 15px 30px}
.brand-phone .ph-info .ph-label{text-align:left;}
.btn-view{display:block;width:50%;margin:0 auto;}
}
@media (max-width:768px){.container{padding:0 12px}
.header-phone{display:none;}
.top-bar .container{justify-content:center}
.top-bar .top-links .sep{display:none}
.top-bar .top-links a{padding:2px 6px;font-size:11px}
.welcome{display:none}
.header{padding:10px 0;height:auto}
.header .container{flex-wrap:nowrap}
.logo img{max-height:35px;}
.logo-divider,.header-slogan{display:none}
.mobile-toggle{display:flex}
.nav-bar{position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;overflow-y:auto;z-index:9997;transition:right .3s ease;padding-top:60px;background:var(--primary-blue)}
.nav-bar.open{right:0}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:9996}
.nav-overlay.open{display:block}
.nav-list{flex-direction:column}
.nav-list>li{border-bottom:1px solid rgba(255,255,255,.12);flex:none}
.nav-list>li>a{padding:14px 20px;justify-content:space-between}
.nav-list>li:hover .submenu{display:none}
.submenu{position:static;transform:none;box-shadow:none;border-top:none;background:rgba(0,0,0,.15);min-width:auto;display:none}
.submenu li a{color:rgba(255,255,255,.8);padding:10px 35px;border-bottom:1px solid rgba(255,255,255,.08)}
.submenu.open{display:block}
.mobile-nav-close{display:block;position:absolute;top:15px;right:15px;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;z-index:10}
.hero-section{height:220px;min-height:220px;}
.features-grid{grid-template-columns:1fr 1fr}
.feature-item{padding:15px 12px;gap:10px}
.feature-icon{width:40px;height:40px}
.feature-icon i{font-size:16px}
.feature-txt h3{font-size:14px}
.feature-txt p{font-size:12px}
.section-header{margin-bottom:20px}
.section-header .en-title{font-size:32px;letter-spacing:2px;margin-bottom:-18px}
.section-header .section-title{font-size:22px;margin-bottom:10px}
.product-section{padding:40px 0}
.sidebar-nav{grid-template-columns:repeat(2,1fr)}
.sidebar-nav li{height:50px;line-height:50px;}
.sidebar-nav li a{padding:0 15px;font-size:14px}
.sidebar-nav li i{display:none;}
.product-main{padding:15px 0 0 0}
.product-featured .pf-info{padding:15px}
.pf-info h3{margin-bottom:10px}
.pf-info .pf-desc{font-size:14px;margin-bottom:15px;-webkit-line-clamp:3;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.btn-more{padding:9px 20px;font-size:13px}
.product-sub-grid{grid-template-columns:1fr 1fr;gap:10px}
.why-section{padding:40px 0}
.why-subtitle{margin-top:-20px;margin-bottom:30px}
.why-item{margin-bottom:40px;gap:20px}
.why-text .num{font-size:48px}
.why-text h3{font-size:18px}
.why-text .en-sub{font-size:10px;margin-bottom:12px}
.why-text ul li{margin-bottom:8px}
.brand-banner{padding:30px 0}
.brand-text .title{font-size:24px}
.brand-text .subtitle{font-size:15px}
.brand-phone .ph-info .ph-num{font-size:22px}
.btn-consult{padding:10px 50px;font-size:14px}
.about-section{padding:40px 0}
.about-info h3{margin-bottom:12px;text-align:center;}
.about-info .about-content{margin-bottom:18px}
.honor-section{padding:30px 0 40px}
.honor-tabs{gap:10px}
.honor-tab{padding:10px 25px;font-size:13px}
.honor-grid{grid-template-columns:repeat(2,1fr);gap:15px}
.news-section{padding:40px 0 30px}
.news-tabs{gap:10px}
.news-tab{padding:9px 20px;font-size:13px}
.news-featured{flex:none}
.news-featured img{min-height:200px}
.news-featured .info{padding:15px}
.news-list-item{padding:12px 0;gap:10px}
.friend-links{margin:0 12px 20px}
.friend-links p{font-size:13px}
.footer-grid{grid-template-columns:1fr;gap:25px}
.footer-grid .footer-about{grid-column:auto}
.footer-desc{font-size:13px}
.footer-col h4{font-size:15px;margin-bottom:14px}
.footer-nav li a{font-size:12px}
.footer-contact li{font-size:12px}
.back-to-top{width:42px;height:42px;font-size:16px;bottom:20px;right:15px}
}
@media (max-width:480px){.top-bar{display:none}
.header{padding:10px 0}
.header-phone .phone-info .number{font-size:14px}
.logo img{max-height:28px;}
.hero-section{height:150px;min-height:150px;}
.product-section{padding:20px 0;}
.features-grid{grid-template-columns:1fr 1fr}
.feature-item{padding:12px 10px;gap:8px}
.feature-icon{width:36px;height:36px}
.feature-icon i{font-size:14px}
.feature-txt h3{font-size:15px}
.feature-txt p{font-size:12px}
.section-header .en-title{font-size:26px}
.section-header .section-title{font-size:20px}
.sidebar-nav{grid-template-columns:1fr 1fr}
.sidebar-nav li{height:50px;line-height:50px;overflow:hidden;}
.sidebar-nav li a{padding:0 12px;font-size:13px}
.product-sub-grid{grid-template-columns:1fr 1fr;gap:8px}
.honor-grid{grid-template-columns:1fr 1fr;gap:10px}
.news-featured img{min-height:160px}
.footer-bottom p a{display:block;}
}
/* ========== 新闻列表页 ========== */
.banner{height:400px;background-color:var(--primary-blue);}
/* ===== 面包屑与搜索 ===== */
.breadcrumb-bar{background-color:#f9f9f9;padding:12px 0;border-bottom:1px solid var(--border-color);}
.breadcrumb-bar .container{display:flex;justify-content:space-between;align-items:center;}
.breadcrumb{font-size:14px;color:var(--text-light);}
.breadcrumb a{color:var(--text-light);}
.breadcrumb a:hover{color:var(--primary-blue);}
.search-box{display:flex;}
.search-box input{border:1px solid var(--border-color);padding:10px 15px;outline:none;width:250px;}
.search-box button{background-color:var(--primary-blue);color:#fff;border:none;padding:8px 20px;cursor:pointer;transition:0.3s;}
.search-box button:hover{background-color:var(--secondary-blue);}
/* ===== 主体内容 ===== */
.main-layout{display:flex;margin:40px auto 60px;gap:40px;}
/* 左侧边栏 */
.sidebar{width:260px;flex-shrink:0;}
.sidebar-box{border:1px solid var(--border-color);margin-bottom:30px;}
.sidebar-title{background-color:var(--primary-blue);color:#fff;padding:15px 20px;font-size:18px;font-weight:bold;}
.sidebar-menu li{border-bottom:1px solid var(--border-color);}
.sidebar-menu a{display:flex;justify-content:space-between;padding:15px 20px;color:var(--text-main);}
.sidebar-menu a:hover{color:var(--primary-blue);background-color:var(--section-bg);padding-left:25px;}
.sidebar-menu li.active a{color:var(--primary-blue);background-color:var(--section-bg);}
/* 热门推荐 */
.hot-recommend{padding:20px;text-align:center;position:relative;}
.hot-recommend .swiper{width:100%;}
.hot-recommend .swiper-slide img{width:100%;margin-bottom:15px;border-radius:4px;}
.hot-recommend h4{font-size:14px;margin-bottom:15px;}
.hot-controls button{background:none;border:1px solid var(--border-color);padding:5px 15px;cursor:pointer;color:var(--text-light);margin:0 5px;}
.hot-controls button:hover{background-color:var(--primary-blue);color:#fff;border-color:var(--primary-blue);}
/* 右侧内容 */
.content-area{flex-grow:1;}
.content-title{border-bottom:2px solid var(--border-color);padding-bottom:10px;margin-bottom:30px;font-size:22px;font-weight:600;}
.search-result-title{border-bottom:2px solid var(--border-color);padding-bottom:10px;margin-bottom:30px;font-size:16px;}
.search-result-title span{padding:0 5px;color:var(--primary-blue);}
/* 产品网格 */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.product-card{border:1px solid var(--border-color);display:flex;padding:15px;transition:all 0.3s;background:#fff;}
.product-card:hover{box-shadow:0 10px 20px rgba(0,0,0,0.08);transform:translateY(-3px);border-color:var(--primary-blue);}
.product-img{width:187px;height:140px;background-color:#eee;flex-shrink:0;margin-right:15px;overflow:hidden;}
.product-img img{width:100%;height:100%;object-fit:cover;}
.product-info{display:flex;flex-direction:column;justify-content:space-between;}
.product-info h3{font-size:16px;margin-bottom:10px;font-weight:600;}
.product-info p{font-size:14px;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.btn-detail{display:inline-block;padding:6px 15px;border:1px solid var(--border-color);font-size:12px;color:var(--text-light);margin-top:10px;align-self:flex-start;}
.product-card:hover .btn-detail{background-color:var(--primary-blue);color:#fff;border-color:var(--primary-blue);}
/* 分页 */
.pagination{display:flex;justify-content:center;padding:60px 0 20px 0;gap:5px;}
.pagination a,.pagination span{display:inline-block;padding:8px 15px;border:1px solid var(--border-color);color:var(--text-light);background-color:var(--text-white);}
.pagination a:hover,.pagination .active{background-color:var(--primary-blue);color:#fff;border-color:var(--primary-blue);}
/* ===== 新闻中心 ===== */
.inner-news-section{background-color:#f5f7fa;padding:60px 0;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;}
.news-card{display:flex;background:#fff;padding:20px;transition:0.3s;}
.news-card:hover{box-shadow:0 5px 15px rgba(0,0,0,0.05);}
.news-date{text-align:center;padding-right:20px;margin-right:20px;border-right:1px solid var(--border-color);min-width:80px;}
.news-date .day{font-size:24px;font-weight:bold;color:var(--primary-blue);display:block;}
.news-date .year-month{font-size:12px;color:var(--text-light);}
.news-info h4{font-size:16px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-info p{font-size:13px;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
/* ===== 产品详情页样式 ===== */
.detail-top{display:flex;gap:30px;margin-bottom:35px;}
.detail-gallery{width:420px;flex-shrink:0;background:#f5f5f8;border-radius:8px;overflow:hidden;border:1px solid var(--border-color);}
.detail-gallery img{width:100%;height:auto;display:block;}
.detail-info{flex:1;display:flex;flex-direction:column;justify-content:center;}
.detail-title{font-size:24px;font-weight:700;color:var(--text-dark);margin-bottom:16px;line-height:1.4;}
.detail-desc{font-size:14px;color:var(--text-gray);line-height:1.9;margin-bottom:20px;text-align:justify;}
.detail-meta p{font-size:16px;color:var(--text-dark);margin-bottom:10px;}
.detail-meta span{color:var(--text-light);font-weight:400;}
.detail-meta a:hover{color:var(--primary-blue);}
.detail-heading{font-size:20px;font-weight:700;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border-color);}
.detail-content{margin-bottom:25px;font-size:16px;line-height:2;}
.detail-content p{margin-bottom:10px;}
.detail-content img{max-width:100%;}
.sub-heading{font-size:20px;font-weight:600;color:var(--text-dark);margin-bottom:15px;margin-top:30px;}
.param-table{width:100%;border-collapse:collapse;margin-bottom:30px;border:1px solid var(--border-color);}
.param-table th,.param-table td{padding:14px 18px;text-align:center;font-size:14px;border:1px solid var(--border-color);}
.param-table thead th{background:var(--light-blue);color:var(--primary-blue);font-weight:600;}
.param-table tbody tr:nth-child(even){background:#fafbfc;}
.param-table tbody tr:hover{background:var(--light-blue);}
.detail-nav{padding:25px 0;border-top:1px dashed var(--border-color);border-bottom:1px dashed var(--border-color);margin-bottom:30px;}
.detail-nav p{font-size:16px;color:var(--text-gray);margin-bottom:8px;}
.detail-nav p:last-child{margin-bottom:0;}
.detail-nav a:hover{color:var(--primary-blue)}
.recommend-read{margin-bottom:0;}
.read-list li{height:25px;line-height:25px;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;margin-bottom:10px;padding-left:16px;position:relative;font-size:16px;}
.read-list li::before{content:"·";position:absolute;left:0;color:var(--primary-blue);font-weight:700;font-size:18px;line-height:1.4;}
.read-list a{transition:color .3s;}
.read-list a:hover{color:var(--primary-blue);}
.read-list.two-col{display:grid;grid-template-columns:1fr 1fr;gap:4px 40px;}
/* ===== 在线留言 ===== */
.online-message{padding:60px 0;background:var(--section-bg);}
.message-box-wrapper{display:flex;border-radius:10px;box-shadow:0 5px 25px rgba(0,0,0,0.08);overflow:hidden;}
.contact-info{flex:1;background-color:var(--primary-blue);color:#fff;padding:60px 0 0 40px;position:relative;overflow:hidden;}
.contact-info::before{content:"";position:absolute;top:-60px;right:5px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.06)}
.contact-info::after{content:"";position:absolute;bottom:-80px;left:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.04)}
.contact-info-content .contact-title{font-size:30px;font-weight:500;margin-bottom:25px;}
.contact-info-content .contact-title .en{font-size:20px;text-transform:uppercase;font-weight:300;margin-left:5px;opacity:0.8;}
.contact-info-content p{margin-bottom:15px;display:flex;align-items:center;opacity:0.9;}
.contact-info-content p i{width:20px;text-align:center;margin-right:10px;}
.contact-person-img{position:absolute;bottom:-110px;right:-20px;width:240px;height:auto;z-index:0;}
.contact-info-content{position:relative;z-index:1;}
.contact-form{flex:1.5;padding:40px;background:#fff;}
.contact-form form{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-group{display:flex;flex-direction:column;}
.form-group.form-group-full{grid-column:span 2;}
.form-group label{margin-bottom:8px;color:var(--text-dark);}
.form-group label .required{color:red;margin-left:4px;}
.form-group input,.form-group textarea{width:100%;padding:16px 12px;border:none;background-color:#f7f7f7;border-radius:5px;font-family:inherit;}
.form-group textarea{resize:vertical;}
.form-group input:focus,.form-group textarea:focus{outline:1px solid var(--primary-blue);}
.form-group button{background-color:var(--primary-blue);color:#fff;padding:12px;border:none;border-radius:5px;cursor:pointer;font-size:16px;transition:background-color 0.3s;}
.form-group button:hover{background-color:var(--primary-blue);}
/* ===== 推荐洗涤设备 ===== */
.recommend-products{padding:65px 0 75px;}
.recommend-products .section-header.center{margin-bottom:45px;}
.recommend-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.recommend-item{border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:all .3s;background:#fff;}
.recommend-item:hover{box-shadow:0 10px 28px rgba(0,0,0,.08);transform:translateY(-4px);border-color:var(--primary-blue)}
.rec-card{display:flex;align-items:center;gap:22px;padding:18px 22px;text-decoration:none;color:inherit;height:100%;}
.rec-img{width:180px;height:135px;flex-shrink:0;border-radius:6px;overflow:hidden;background:#f5f5f8;}
.rec-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.recommend-item:hover .rec-img img{transform:scale(1.08)}
.rec-info{flex:1;min-width:0;}
.rec-info .rec-title{font-size:16px;font-weight:600;color:var(--text-dark);margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rec-info .rec-desc{font-size:13px;color:var(--text-light);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.recommend-products-bg{background-color:#f5f7fa;padding:60px 0;}
.recommend-products-bg .recommend-item{border:none;}
/* ===== 文章列表 ===== */
.news-list{flex:1;}
.news-item{background:#fff;padding:0 0 22px 0;overflow:hidden;margin-bottom:22px;display:flex;transition:all 0.35s;cursor:pointer;border-bottom:1px dotted var(--border-color);}
.news-item-img{width:200px;height:150px;flex-shrink:0;overflow:hidden;position:relative;}
.news-item-img img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s;}
.news-item:hover .news-item-img img{transform:scale(1.06);}
.news-item-body{flex:1;display:flex;flex-direction:column;justify-content:space-between;}
.news-item-title{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:10px;transition:color 0.3s;}
.news-item:hover .news-item-title{color:var(--primary-blue);}
.news-item-desc{font-size:14px;color:var(--text-light);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:15px;}
.news-item-meta{display:flex;align-items:center;gap:15px;}
.news-item-date{font-size:13px;color:#bbb;display:flex;align-items:center;gap:5px;}
.news-item-views{font-size:13px;color:#bbb;display:flex;align-items:center;gap:5px;}
.news-item-link{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--primary-blue);border:1px solid var(--primary-blue);padding:6px 16px;border-radius:5px;text-decoration:none;font-weight:500;transition:all 0.3s;}
.news-item-link:hover{background-color:var(--primary-blue);color:#fff;}
/* ===== 文章详情 ===== */
.article-header{padding:0 40px 25px;border-bottom:1px solid #f0f0f0;text-align:center;}
.article-title{font-size:24px;font-weight:800;line-height:1.3;margin-bottom:15px;}
.article-meta{display:flex;align-items:center;gap:0 20px;flex-wrap:wrap;justify-content:center;}
.article-meta-item{display:flex;align-items:center;gap:6px;font-size:13px;color:#bbb;}
.article-content{padding:30px 0;}
.article-content p{font-size:16px;line-height:2;margin-bottom:20px;text-indent:2em;}
.article-content img{max-width:100%;display:block;margin:0 auto 20px;}
/* ===== 关于我们 ===== */
.tab-section{background:#fff;padding:40px 0;border-bottom:1px solid #eee;}
.tab-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.tab-label{font-size:16px;color:#bbb;letter-spacing:3px;text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;justify-content:center;gap:12px;}
.tab-label::before,.tab-label::after{content:'';flex:1;max-width:80px;height:1px;background:linear-gradient(90deg,transparent,#ddd);}
.tab-label::after{background:linear-gradient(90deg,#ddd,transparent);}
.tab-title{font-size:26px;font-weight:800;color:#1a1a2e;margin-bottom:25px;}
.tab-title em{font-style:normal;color:#1565c0;}
.tab-nav{display:inline-flex;gap:0;background:#f0f4f8;border-radius:8px;padding:4px;}
.tab-btn{padding:12px 45px;border-radius:6px;font-size:18px;cursor:pointer;border:none;background:transparent;color:#888;transition:all 0.3s;display:flex;align-items:center;gap:7px;}
.tab-btn.active{background:#1565c0;color:#fff;box-shadow:0 4px 15px rgba(21,101,192,0.3);}
.tab-btn:hover:not(.active){color:#1565c0;}
.intro-section{background:#f5f7fa;padding:60px 0;}
.intro-content{background:#fff;padding:40px;max-width:1200px;margin:0 auto;}
.intro-content p{font-size:16px;line-height:2;margin-bottom:20px;text-indent:2em;}
/* ===== 联系我们页面 ===== */
.contact-layout{display:flex;margin:60px auto 60px;gap:50px;align-items:stretch;}
.contact-map{width:610px;height:350px;flex-shrink:0;border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);border:4px solid var(--text-white);}
.contact-map iframe{display:block;width:100%;height:100%;}
.contact-company{flex:1;display:flex;flex-direction:column;justify-content:center;padding:20px 0;}
.contact-company h2{font-size:26px;font-weight:700;color:var(--text-dark);margin-bottom:20px;line-height:1.4;}
.company-info-list li{font-size:18px;color:var(--text-dark);line-height:2;}
.company-info-list .label{color:var(--text-light);font-weight:500;display:inline-block;min-width:72px;}
.company-info-list a{color:var(--primary-blue);transition:opacity .3s;}
.company-info-list a:hover{opacity:.75;}
/* 联系页在线留言（全宽表单无左侧卡片） */
.contact-form-section{background:#f0f0f5;padding:60px 0 70px;}
.contact-form-section .section-header.center{margin-bottom:40px;}
.contact-form-section .section-header.center .section-title{font-size:32px;font-weight:700;color:#333;margin-bottom:10px;}
.contact-form-section .section-header.center .section-sub{font-size:14px;color:#999;}
.contact-form-section .contact-full-form{max-width:100%;}
.contact-form-section .contact-full-form .form-row{display:flex;gap:40px;margin-bottom:28px;}
.contact-form-section .contact-full-form .form-group{flex:1;}
.contact-form-section .contact-full-form .form-group label{display:block;font-size:14px;color:#333;margin-bottom:10px;font-weight:400;}
.contact-form-section .contact-full-form .form-group .required{color:#e74c3c;margin-right:2px;}
.contact-form-section .contact-full-form .form-group input,.contact-form-section .contact-full-form .form-group textarea{width:100%;border:none;padding:16px 20px;font-size:14px;color:#333;outline:none;background:#fff;resize:vertical;font-family:inherit;}
.contact-form-section .contact-full-form .form-group input::placeholder,.contact-form-section .contact-full-form .form-group textarea::placeholder{color:#bbb;}
.contact-form-section .contact-full-form .form-group.full{margin-bottom:35px;}
.contact-form-section .contact-full-form .form-submit-center{text-align:center;margin-top:10px;}
.contact-form-section .contact-full-form .submit-btn{display:inline-block;background:#1565c0;color:#fff;border:none;padding:14px 80px;font-size:22px;cursor:pointer;font-weight:400;letter-spacing:2px;transition:background .3s;}
.contact-form-section .contact-full-form .submit-btn:hover{background:#0d47a1;}
/* ===== 荣誉资质 ===== */
.honor-list-section{background:#f5f7fa;padding:60px 0;}
.honor-list{width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:40px;}
.honor-item{text-align:center;transition:transform .3s;}
.honor-item:hover{transform:translateY(-5px);}
.honor-img{background:#fff;border:1px solid var(--border-color);border-radius:6px;overflow:hidden;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,.06);}
.honor-img img{width:100%;height:auto;display:block;transition:transform .4s;}
.honor-item:hover .honor-img img{transform:scale(1.03);}
.honor-title{font-size:16px;font-weight:500;}
/**********404*********/
.error404-wrapper{width:100%;max-width:563px;margin:80px auto 0;position:relative;height:auto;min-height:550px;padding:0 20px;box-sizing:border-box;}
.error404{width:100%;max-width:563px;height:auto;min-height:365px;margin:0 auto;background:url(../images/404.jpg) no-repeat center top;background-size:contain;}
.error404 .tip-area{padding:350px 0 0 0;}
.error404 .tip-area p{text-align:center;font-size:16px;color:var(--gray);line-height:1.8;margin-bottom:20px;}
.error404 .tip-area span{color:var(--primary-blue);margin-right:5px;font-weight:600;}
/* ========== 移动端适配 ========== */
@media(max-width:992px){.detail-top{flex-direction:column;}
.detail-gallery{width:100%;max-width:480px;margin:0 auto;}
.message-box-wrapper{flex-direction:column;}
.contact-info{padding:40px 20px 60px}
.contact-form{padding:30px 20px}
.contact-form form{grid-template-columns:1fr}
.form-group.form-group-full{grid-column:span 1}
.recommend-list{grid-template-columns:1fr;gap:15px;}
.read-list.two-col{grid-template-columns:1fr}
.main-layout{flex-direction:column;gap:25px;margin:25px auto 40px}
.sidebar{width:100%}
.sidebar-title{display:none}
.sidebar-box:last-child{display:none}
.sidebar-box{margin-bottom:0;border:none}
.sidebar-menu{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.sidebar-menu li{border:1px solid var(--border-color)}
.sidebar-menu a{justify-content:center;padding:12px 10px;font-size:14px}
.sidebar-menu a i{display:none}
.sidebar-menu li.active a{color:#fff;background-color:var(--primary-blue)}
.product-grid{grid-template-columns:1fr;gap:0}
.news-grid{grid-template-columns:1fr;gap:20px}
.inner-news-section{padding:40px 0}
.banner{height:250px}
.honor-list{padding:0 15px;grid-template-columns:repeat(3,1fr);max-width:100%;gap:20px}
.error404-wrapper{margin:60px auto 0;min-height:450px}
.error404{min-height:300px}
.error404 .tip-area{padding:350px 0 0 0}
/* 面包屑与搜索适配 */
 .breadcrumb-bar .container{flex-direction:column;gap:10px;align-items:flex-start}
.search-box input{width:100%;}
.search-box{width:100%;}
.search-box button{flex-shrink:0;}
/* intro-section适配 */
 .intro-section{padding:40px 0}
.intro-content{padding:25px 20px}
.intro-content p{font-size:14px;line-height:1.8}
/* 联系我们页面适配 */
 .contact-layout{flex-direction:column;margin:40px auto;gap:30px}
.contact-map{width:100%;height:280px}
.contact-company{padding:15px 0}
.contact-company h2{font-size:22px;margin-bottom:15px}
.company-info-list li{font-size:16px;line-height:1.8}
/* 在线留言表单适配 */
 .contact-form-section{padding:40px 0 50px}
.contact-form-section .section-header.center .section-title{font-size:26px}
.contact-form-section .contact-full-form .form-row{flex-direction:column;gap:20px}
.contact-form-section .contact-full-form .form-group{margin-bottom:18px}
.contact-form-section .contact-full-form .form-group input,.contact-form-section .contact-full-form .form-group textarea{padding:14px 16px}
.contact-form-section .contact-full-form .submit-btn{padding:12px 60px;font-size:18px}
/* 有文章详情时隐藏侧边栏 */
 .main-layout:has(.article-detail) .sidebar{display:none}
.main-layout:has(.article-detail) .content-area{width:100%}
.article-content{padding:20px 0;font-size:16px;}
.recommend-products-bg{padding:30px 0;}
.recommend-products .section-header.center{margin-bottom:20px;}
.contact-info::before{top:-60px;right:5px;width:150px;height:150px;}
.contact-person-img{bottom:-110px;right:-20px;width:190px;}
}
@media(max-width:768px){.detail-gallery{max-width:100%}
.detail-title{font-size:20px}
.detail-desc{font-size:13px}
.detail-content{font-size:14px;line-height:1.8}
.param-table th,.param-table td{padding:8px 10px;font-size:12px}
.news-card{flex-direction:row}
.news-date{padding-right:15px;margin-right:15px;min-width:65px;border-right:1px solid var(--border-color);border-bottom:none;padding-bottom:0;margin-bottom:0}
.news-item{flex-direction:column}
.news-item-img{width:100%;height:200px}
.news-item-body{padding-top:10px}
.news-item-title{font-size:15px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item-desc{font-size:13px;-webkit-line-clamp:2;line-height:1.7}
.news-item-bottom{flex-wrap:wrap;gap:8px;margin-top:12px}
.news-item-meta{gap:10px}
.news-item-date,.news-item-views{font-size:12px}
.news-item-link{padding:5px 12px;font-size:12px}
.article-header{padding:0 0 15px}
.article-title{font-size:20px}
.article-content p{line-height:1.8}
/* 侧边栏适配 */
 .sidebar{width:100%}
.sidebar-title{display:none}
.sidebar-box:last-child{display:none}
.sidebar-box{margin-bottom:0;border:none}
.sidebar-menu{display:grid;grid-template-columns:repeat(2,1fr)}
.sidebar-menu a{padding:10px 8px;font-size:13px;justify-content:center}
.sidebar-menu a i{display:none}
.sidebar-menu li.active a{color:#fff;background-color:var(--primary-blue)}
/* 新闻中心区块适配 */
 .inner-news-section{padding:30px 0}
.inner-news-section .section-header{margin-bottom:25px}
.news-card{padding:15px}
.news-date{padding-right:15px;margin-right:15px;min-width:65px;border-right:1px solid var(--border-color);border-bottom:none;padding-bottom:0;margin-bottom:0}
.news-date .year-month{font-size:11px}
.news-info h4{font-size:14px}
.news-info p{font-size:12px}
/* tab-section适配 */
 .tab-section{padding:25px 0}
.tab-inner{padding:0 15px}
.tab-label{font-size:14px;margin-bottom:12px;letter-spacing:2px}
.tab-nav{display:flex;flex-wrap:wrap;width:100%;justify-content:center}
.tab-btn{padding:8px 15px;font-size:14px;flex:1;justify-content:center}
.tab-title{font-size:22px}
/* 面包屑与搜索适配 */
 .breadcrumb-bar .container{flex-direction:column;gap:10px;align-items:flex-start}
.search-box{width:100%;}
.search-box input{width:100%;padding:12px 12px}
.search-box button{padding:0 20px}
.content-title{display:none;}
.honor-list{padding:0 15px;grid-template-columns:1fr 1fr;gap:15px;max-width:100%;margin-left:auto;margin-right:auto;margin-bottom:30px}
/* intro-section适配 */
 .intro-section{padding:30px 0}
.intro-content{padding:20px 15px}
.intro-content p{font-size:16px;line-height:1.8;margin-bottom:15px}
/* 联系我们页面适配 */
 .contact-layout{margin:30px auto;gap:25px}
.contact-map{height:220px;border-radius:8px;border-width:2px}
.contact-company h2{font-size:20px;margin-bottom:12px}
.company-info-list li{font-size:14px;line-height:1.7;margin-bottom:8px}
.company-info-list .label{min-width:60px}
/* 在线留言表单适配 */
 .contact-form-section{padding:30px 0 40px}
.contact-form-section .section-header.center{margin-bottom:30px}
.contact-form-section .section-header.center .section-title{font-size:22px}
.contact-form-section .contact-full-form .form-row{gap:0;margin-bottom:0}
.contact-form-section .contact-full-form .form-group{margin-bottom:15px}
.contact-form-section .contact-full-form .form-group label{font-size:13px;margin-bottom:8px}
.contact-form-section .contact-full-form .form-group input,.contact-form-section .contact-full-form .form-group textarea{padding:12px 14px;font-size:13px}
.contact-form-section .contact-full-form .form-group.full{margin-bottom:25px}
.contact-form-section .contact-full-form .submit-btn{padding:10px 50px;font-size:16px;letter-spacing:1px}
.error404-wrapper{margin:40px auto 0;min-height:400px;padding:0 15px}
.error404{min-height:250px}
.error404 .tip-area{padding:340px 0 0 0}
.error404 .tip-area p{font-size:15px}
.product-card{border:none;border-bottom:1px dotted var(--border-color);padding:15px 0;}
.product-card:last-child{border-bottom:none;}
.product-img{width:120px;height:90px;}
.online-message{padding:30px 0;}
.recommend-products{padding:30px 0 35px;}
}
@media (max-width:480px){.banner{height:180px}
.pagination a,.pagination span{padding:6px 10px;font-size:12px}
.tab-btn{padding:8px 18px;font-size:16px}
.tab-title{font-size:18px}
/* 新闻列表页适配 */
 .main-layout{margin:20px auto 30px;gap:20px}
.sidebar{width:100%}
.sidebar-title{display:none}
.sidebar-box:last-child{display:none}
.sidebar-box{margin-bottom:0;border:none}
.sidebar-menu{display:grid;grid-template-columns:repeat(2,1fr)}
.sidebar-menu a{padding:8px 6px;font-size:12px;justify-content:center}
.sidebar-menu a i{display:none}
.sidebar-menu li.active a{color:#fff;background-color:var(--primary-blue)}
.content-title{font-size:16px;margin-bottom:20px}
.news-item{padding:0 0 15px 0;margin-bottom:15px}
.news-item-title{font-size:14px;margin-bottom:6px}
.news-item-desc{font-size:12px;-webkit-line-clamp:2;line-height:1.6}
.news-item-bottom{flex-wrap:wrap;gap:6px;margin-top:10px}
.news-item-meta{gap:8px;flex-wrap:wrap}
.news-item-date,.news-item-views{font-size:11px}
.news-item-link{padding:4px 10px;font-size:11px;white-space:nowrap}
/* 新闻中心区块适配 */
 .inner-news-section{padding:25px 0}
.inner-news-section .section-header{margin-bottom:20px}
.inner-news-section .section-header .en-title{font-size:24px}
.inner-news-section .section-header .section-title{font-size:18px}
.news-grid{gap:12px}
.news-card{padding:12px}
.news-date{padding-right:12px;margin-right:12px;min-width:60px;border-right:1px solid var(--border-color);border-bottom:none;padding-bottom:0;margin-bottom:0}
.news-date .year-month{font-size:11px}
.news-info h4{margin-bottom:5px}
.news-info p{font-size:11px;-webkit-line-clamp:2}
.contact-form-section .contact-full-form .submit-btn{padding:10px 40px;font-size:16px}
.error404-wrapper{margin:30px auto 0;min-height:350px;padding:0 10px}
.error404{min-height:200px}
.error404 .tip-area{padding:230px 0 0 0}
.error404 .tip-area p{font-size:14px;line-height:1.6}
.intro-section{padding:10px 0 30px}
.honor-list-section{padding:30px 0;}
.pagination{padding:20px 0 20px 0;}
/* 联系我们页面适配 */
 .contact-layout{margin:20px auto;gap:20px}
.contact-map{height:180px;border-radius:6px;border-width:2px}
.contact-company{padding:10px 0}
.contact-company h2{font-size:18px;margin-bottom:10px}
.company-info-list li{font-size:13px;line-height:1.6;margin-bottom:6px}
.company-info-list .label{min-width:50px;font-size:12px}
/* 在线留言表单适配 */
 .contact-form-section{padding:25px 0 30px}
.contact-form-section .section-header.center{margin-bottom:20px}
.contact-form-section .section-header.center .section-title{font-size:20px}
.contact-form-section .contact-full-form .form-group{margin-bottom:12px}
.contact-form-section .contact-full-form .form-group label{font-size:14px;margin-bottom:6px}
.contact-form-section .contact-full-form .form-group input,.contact-form-section .contact-full-form .form-group textarea{padding:14px 12px;font-size:14px}
.contact-form-section .contact-full-form .form-group.full{margin-bottom:20px}
.contact-form-section .contact-full-form .submit-btn{padding:14px 40px;font-size:16px;width:100%}
.search-result-title{margin-bottom:10px;}
.rec-card{padding:18px 15px;gap:15px;}
.rec-img{width:120px;height:90px;}
.contact-person-img{bottom:-110px;right:-20px;width:170px;}
}
/* ===== 表单验证 - 微信小程序风格 ===== */
.form-group.has-error input,.form-group.has-error textarea{border:1px solid #fa5151 !important;background-color:#fff0f0 !important;}
.form-group .error-msg{color:#fa5151;font-size:12px;margin-top:6px;line-height:1.4;display:none;}
.form-group.has-error .error-msg{display:block;}