@charset "utf-8";
/* CSS Document */
*{
	border:0px;
	margin:0px;
	padding:0px;
	}
body {
	background-color: #FFF;
	font-family:Arial, Helvetica, sans-serif;
	font-size:11px;
    color:#2b3f78;
	}
 
.boxs {
  padding: 10px;
  position: relative;
  width: 80%;
  display: flex;
  flex-wrap: wrap;
  margin: 0 auto;
}
.left-content {
  display: flex;
  align-items: center;
}
.left-content img {
  width: 90px;
  height: 90px;
  margin-right: 10px;
}
.company-name {
  text-align: center;
  font-family:"华文行楷";
  font-size:35px;
}
.bottom-right-img {
  position: absolute;
  bottom: 10px;
  right: 10px;
  max-width: 25%;
  max-height: 90px;
  width: auto;
  height: auto;
}
/* 媒体查询实现响应式布局 */
@media (max-width: 768px) {
 .left-content img {
    width: 40px;
    height: 40px;
  }
 .company-name {
    font-size: 20px; /* 从14→20 */
  }
 .bottom-right-img {
    max-width: 60px;
    max-height: 60px;
  }
}
@media (max-width: 480px) {
 .left-content img {
    width: 30px;
    height: 30px;
  }
 .company-name {
    font-size: 18px; /* 从12→18 */
  }
 .bottom-right-img {
    max-width: 40px;
    max-height: 40px;
  }
}

/**
*首行导航栏
*/	
.run {
			background-color:#2b3f78;
			width:100%;
		}
nav {
    background-color: #2b3f78;
    width:100%;
    margin: 0 auto;
    position: relative;
    z-index: 9999;         
}
nav ul {
    list-style-type: none;
    display: flex;
    justify-content: space-around;
    flex-wrap: nowrap;
    font-size:24px;
    padding: 0;
    margin: 0;
}
nav ul li {
    flex: 1;
    min-width: 0;
    text-align: center;
}
nav ul li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 8px;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
}
nav ul li a:hover {
    background-color: #ddd;
    color: black;
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #2b3f78;
    z-index: 999999;
}
.dropdown-content a {
    font-size: 16px; /* 固定大字体，不用vw */
    padding: 10px 4px;
    overflow: hidden;   
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.dropdown:hover .dropdown-content {
    display: block;
}
.dropdown-content a:hover {
    background-color: #ddd;
    color: black;
}
.slider {
    position: relative;
    height: 4px;
    background-color: white;
    transition: left 0.2s ease;
}

/* 移动端导航字体放大 */
@media (max-width: 768px) {
  nav ul {
    font-size: 18px; /* 14→18 */
  }
  nav ul li a {
    padding: 12px 4px;
  }
  .dropdown-content a {
    font-size: 16px; /* 1.0vw→16px */
    padding: 8px 3px;
  }
}

@media (max-width: 480px) {
  nav ul {
    font-size: 16px; /* 12→16 */
  }
  .dropdown-content a {
    font-size: 15px; /* 0.9vw→15px */
    padding: 6px 2px;
  }
}

.pro {
	width:100%;
	height:390px;
	margin-bottom:20px;
	background-color:#F8F8F8;
	background:url(../image/产品中心/首页/未标题-3.jpg) no-repeat;
	background-size: cover;
	background-position: 50%;
}

/**
*当前位置
*/
.top-nav {
    background: #2b3f78;
    color: #fff;
    padding: 12px 0;
    font-size: 16px; /* 15→16 */
    position: relative;
    z-index: 9999;
}
.top-nav-inner {
    width: 98%;
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.breadcrumb {
    color: #fff;
}
.breadcrumb a {
    color: #fff;
    text-decoration: none;
}
.breadcrumb span {
    margin: 0 5px;
    color: #ccc;
}
.menu-toggle {
    display: none;
    font-size: 24px; /* 22→24 */
    cursor: pointer;
    padding: 0 10px;
    z-index: 10000;
}

/*主体部分*/
.container {
    width: 95%;            
    max-width: 1920px;            
    margin: 15px auto;            
    padding: 0 10px;            
    display: flex;            
    gap: 20px;            
    align-items: flex-start;            
    position: relative;            
    min-height: calc(100vh - 30px);
    background: #f5f5f5;
}

/*产品分类*/
.left {
    width: 280px;
    margin-right: 35px;
    margin-bottom:20px;
    position: sticky;
    top: 15px;
    max-height: calc(100vh - 30px);
    overflow-y: auto !important;
    overflow-x: hidden !important;
    -ms-overflow-style: none !important;
    scrollbar-width: none !important;
    z-index: 999;
}
.left::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
}
.aside-nav {
    width: 100%;
    background-color: #ffffff;
    color: #2b3f78;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    overflow: hidden;
}
.nav-title {
    height: 62px;
    line-height: 62px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    background-color: #2b3f78;
    color: #fff;
}
.nav-list .parentNav {
    height: 54px;
    line-height: 54px;
    padding: 0 22px;
    font-size: 22px;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-list .parentNav:hover,
.nav-list .item.active .parentNav {
    background-color: #f0f4ff;
    padding-left: 28px;
}
.parentNav a {
    color: #2b3f78;
    text-decoration: none;
    flex: 1;
}
.nav-arrow {
    color: #999;
    font-style: normal;
    padding: 0 5px;
    font-size: 16px;
}
.item.active .nav-arrow {
    transform: rotate(180deg);
}
.subNav {
    display: none;
    background: #f9f9f9;
    transition: none !important;
}
.item.active .subNav {
    display: block;
}
.subNav li a {
    display: block;
    height: 46px;
    line-height: 46px;
    padding-left: 42px;
    font-size: 18px;
    color: #555;
    text-decoration: none;
    padding-left: 42px !important;
}
.subNav li a:hover {
    background: #e3ecff;
    color: #2b3f78;
}
ul {
    list-style: none;
}

/* 左侧分类移动端字体放大 */
@media (max-width: 1100px) and (min-width: 769px) {
    .left {
        width: 240px !important;
        margin-right: 20px !important;
        max-height: calc(100vh - 30px) !important;
    }
    .nav-title {
        font-size: 20px !important; /* 18→20 */
        height: 56px !important;
        line-height: 56px !important;
    }
    .nav-list .parentNav {
        font-size: 18px !important; /* 16→18 */
        height: 50px !important;
        line-height: 50px !important;
    }
    .subNav li a {
        font-size: 16px !important; /* 15→16 */
        height: 44px !important;
        line-height: 44px !important;
    }
}

@media (min-width: 769px) {
    .left {
        width: 280px;
        margin-right: 35px;
        position: sticky !important;
        top: 15px !important;
        max-height: calc(100vh - 30px) !important;
    }
    .main-wrapper {
        overflow: hidden;
    }
    .top-tabs {
        display: none;
    }
}

/*产品介绍*/
.right-content {
    flex: 1;
    background: #fff;
    padding: 20px;
    border: 1px solid #eee;
    margin-bottom: 20px;
}
.product-top {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    align-items: stretch;
}
.slider-box {
    width: 55%;
    position: relative;
    border: 1px solid #eee;
}
.slider-main {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
.slider-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}
.slider-main img.active {
    display: block;
}
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(0,0,0,0.3);
    color: #fff;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
    z-index: 10;
}
.prev { left: 0; }
.next { right: 0; }

.product-info {
    width: 45%;
    line-height: 2;
    font-size: 16px; /* 15→16 */
    display: flex;
    flex-direction: column;
}
.product-info h1 {
    font-size: 30px; /* 24→26 */
    color: #2b3f78;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #eee;
}
.info-block {
    margin-bottom: 12px;
}
.info-block strong {
    color: #2b3f78;
    font-size: 17px; /* 16→17 */
}
.contact-info {
    margin: 15px 0;
    font-size: 17px; /* 16→17 */
    line-height: 1.8;
}
.contact-item {
    display: flex;
    align-items: center;
    margin: 8px 0;
}
.contact-icon {
    font-size: 26px; /* 24→26 */
    margin-right: 12px;
    color: #000;
}
.contact-label {
    margin-right: 8px;
}
.contact-value {
    font-size: 26px; /* 24→26 */
    font-weight: bold;
    color: #0066cc;
}

.btn-group {
    margin-top: auto;
    display: flex;
    gap: 15px;
}
.btn {
    padding: 10px 22px;
    background: #2b3f78;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px; /* 15→16 */
    cursor: pointer;
}
.btn:hover {
    background: #1f2f5b;
}
.product-detail {
    margin: 30px 0;
}
.detail-title {
    font-size: 19px; /* 18→19 */
    color: #fff;
    background: #2b3f78;
    padding: 10px 15px;
    margin-bottom: 15px;
}
.detail-content {
    font-size: 16px; /* 15→16 */
    line-height: 1.9;
    color: #444;
}

.scene {
    margin: 30px 0;
}
.scene-title {
    font-size: 19px; /* 18→19 */
    color: #fff;
    background: #2b3f78;
    padding: 10px 15px;
    margin-bottom: 15px;
}
.scene-content {
    display: flex;
    gap: 25px;
    align-items: center;
}
.scene-text {
    flex: 1;
    font-size: 16px; /* 15→16 */
    line-height: 2;
    color: #444;
}
.scene-img {
    width: 42%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border: 1px solid #eee;
    border-radius: 4px;
}

.advantage {
    margin: 30px 0;
}
.adv-title {
    font-size: 19px; /* 18→19 */
    color: #fff;
    background: #2b3f78;
    padding: 10px 15px;
    margin-bottom: 15px;
}
.adv-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: flex-start;
}
.adv-item {
    width: calc(33.33% - 10px);
    background: #f9f9f9;
    border: 1px solid #eee;
    padding: 18px;
    border-radius: 6px;
    box-sizing: border-box;
}
.adv-item strong {
    color: #2b3f78;
    font-size: 17px; /* 16→17 */
    display: block;
    margin-bottom: 8px;
}
.adv-item p {
    font-size: 15px;
    line-height: 1.8;
    color: #555;
}

.related-products {
    margin-top: 40px;
}
.related-title {
    font-size: 19px; /* 18→19 */
    color: #fff;
    background: #2b3f78;
    padding: 10px 15px;
    margin-bottom: 20px;
}
.related-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.related-item {
    width: calc(25% - 15px);
    text-align: center;
    border: 1px solid #eee;
    padding: 10px;
    background: #fff;
    box-sizing: border-box;
}
.related-item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    margin-bottom: 8px;
}
.related-item p {
    font-size: 15px;
    color: #333;
    margin-bottom: 8px;
}
.detail-link {
    display: inline-block;
    font-size: 16px; /* 15→16 */
    color: #2b3f78;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 0;
}
.detail-link:hover {
    color: #1f2f5b;
}

/* 移动端布局 */
@media (max-width: 992px) {
  .menu-toggle {
    display: block !important;
    position: relative;
    z-index: 99999 !important;
  }
  .left {
    display: none !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 85% !important;
    height: 100vh !important;
    background: #fff !important;
    z-index: 9999 !important;
    margin: 0 !important;
    padding-top: 60px !important;
    overflow-y: auto !important;
  }
  .left.show {
    display: block !important;
  }
  .menu-mask {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
  }
  .menu-mask.show {
    display: block;
  }
  .container {
    flex-direction: column;
    align-items: unset;
    min-height: auto;
  }
  .product-top {
    flex-direction: column;
  }
  .slider-box, .product-info {
    width: 100%;
  }
  .scene-content {
    flex-direction: column;
  }
  .scene-img {
    width: 100%;
  }
  .adv-item {
    width: 100%;
  }
  .related-item {
    width: calc(50% - 10px);
  }
}

/**
*底栏一
*/
.contact-inf {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #009;
    color: white;
    padding: 20px;
}
.info-item {
    display: flex;
    align-items: center;
}
.icon-location,
.icon-phone,
.icon-mail {
    font-size: 26px; /* 24→26 */
    margin-right: 10px;
}
.info-text span {
    margin-right: 5px;
    font-size:20px; /* 18→20 */
}
.info-text p {
    margin-right: 5px;
    color:#FFF;
    font-size:22px; /* 20→22 */
}

@media (max-width: 768px) {
   .contact-inf {
        flex-direction: column;
    }
   .info-item {
        margin-bottom: 10px;
    }
}

/**
*底栏二
*/
.dlh {
	width: 100%;
	height:80px;
	padding-top: 40px;
	background-color:#333; 
	float:left;
	text-align:center;
	margin-top:0px;
}
.dlh .menuitems { 
	height: 60px;
	text-align:center;
	font-weight:bold;
	}
ul {
	list-style-type:none;
	}
.dlh .menuitems li {
	padding:0px 22px;
	font-size:26px; /* 25→26 */
	display:inline;
	}
.dlh .menuitems li a:link,.dlh .menuitems li a:visited {
	color:#FFF;
	text-decoration:none;
	}
.dlh .menuitems li a:hover,.dlh .menuitems li a:active {
	color:#fff;
	text-decoration:none;
	}

/**
*底栏三
*/
footer.footer {
  width: 100%;
  padding: 20px 0;
  background: #f5f5f5;
  text-align: center;
  font-size: 15px; /* 14→15 */
  color: #666;
  line-height: 1.8;
}
.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.copyright {
  margin: 0 0 8px;
}
.icp-info {
  margin: 0 0 8px;
}
.icp-info img {
  vertical-align: middle;
  margin: 0 4px;
}
.icp-info a {
  color: #666;
  text-decoration: none;
}
.icp-info a:hover {
  color: #0033CC;
}
.sitemap-link a {
  color: #0033CC;
  text-decoration: underline;
  font-weight: 500;
}
.sitemap-link a:hover {
  color: #0056b3;
  text-decoration: none;
}

@media (max-width: 768px) {
  footer.footer {
    font-size: 14px; /* 12→14 */
    padding: 15px 0;
  }
}