    /* 品牌页面专属配色（融合LOGO蓝+品牌红） */
     

        /* 品牌列表容器 */
        .brand-container {
            max-width: 1400px;
            margin: 0 auto ;
     
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
            gap: 50px;
          
        }
        .mengban{
            width: 100%;
            height: 100%;
            position: absolute;
            z-index: 1;
            background: rgba(0,0,0,0.8);;
            left:0;
            top:0;
        }

        /* 单个品牌卡片 */
        .brand-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
     
        }
           .brand-carda {
           

            overflow: hidden;
   
            display: flex;
            flex-direction: column;

     
        }

        .brand-card:hover {
            transform: translateY(-8px);
        }

        /* 品牌头部（LOGO+名称） */
        .brand-top {
            padding: 20px;
            text-align: center;
            background: var(--gray-bg);
            border-bottom: 3px solid var(--brand-blue);
        }

        .brand-top.sinomagchem {
            border-bottom-color: var(--brand-blue);
        }

        .brand-top.jiamiele {
            border-bottom-color: var(--main-red);
        }

        .brand-logo {
            width: 160px;
            height: auto;
           float: left;
        }

        .brand-name {
            font-size: 26px;
            font-weight: bold;
            margin-bottom: 8px;
        }

        .brand-tag {
            font-size: 16px;
            color: var(--text-gray);
        }

        /* 品牌详情内容 */
        .brand-content {
            padding: 35px;
            flex: 1;
        }

        .brand-advantage {
            margin-bottom: 20px;
        }

        .brand-advantage h4 {
            font-size: 18px;
            color: var(--main-red);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .brand-advantage h4 i {
            margin-right: 10px;
            font-size: 20px;
        }

        .brand-advantage p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.8;
        }

        /* 品牌应用领域标签 */
        .brand-tags {
            margin-top: 25px;
        }

        .brand-tags h4 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .tag-item {
            display: inline-block;
            background: var(--brand-blue);
            color: white;
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 14px;
            margin-right: 8px;
            margin-bottom: 8px;
        }

        .tag-item.jiamiele-tag {
            background: var(--main-red);
        }
        .p4{
            padding: 40px;
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .brand-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .brand-header h2 {
                font-size: 28px;
            }
            
        }

        @media (max-width: 768px) {
            .p4{
            padding:20px;
        }
            .nav {
                display: none;
            }
            .brand-top {
                padding: 20px;
            }
            .brand-content {
                padding: 25px;
            }
            .brand-logo {
                max-width: 200px;
            }
        }
  
 
.container{
    max-width:1430px;
    margin:0 auto;
 
}



.brand-box{

  /* 内容层 */

    border-radius:12px;
    padding:40px;
    box-shadow:0 4px 20px rgba(0,16,46,0.2);
  /*       background: linear-gradient(rgba(255,255,255,0.85), rgba(255,255,255,0.85)), */
  /*            url(../img/wordmap.jpg);*/
  /*background-size: cover;*/
         display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
 
}

.brand-desc{
    font-size:16px;
    line-height:2;
    color:var(--text-gray);
    margin-bottom:30px;
    text-align: left;
}
.brand-desc strong{
    color:var(--main-red);
    font-weight:600;
}


@media(max-width:768px){
    .brand-box{padding:24px}
    .sec-title h2{font-size:28px}
   .scan-line{height:200px !important}
   .map-wrapper{height:200px !important}
}
	.logistics-title {
				font-size: 24px;
				color: var(--main-red);
				margin-bottom: 24px;
				font-weight: 600;
				display: flex;
				align-items: center;
				gap: 12px;
			}
			   .logistics-section {
            
           
            border-radius: 16px;
            background:var(--card-bg);
            box-shadow:0 4px 20px rgba(0,16,46,0.08);
            padding: 40px;
            max-width: 1400px;
        } 
			 .logistics-container {
            display: grid;
            grid-template-columns: 2fr;
            gap: 30px;
            align-items: start;
            
        }
        /* 左侧内容区 */
        .logistics-content {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .logistics-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 25px;
        }
        .logistics-card {
            background: rgba(180,0,0,0.04);;
            padding: 30px;
            border-radius: 12px;
            border-left: 6px solid #b40000;
            transition: all 0.3s ease;
        }
        .logistics-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(180, 0, 0, 0.1);
        }
        .card-title {
            font-size: 22px;
            font-weight: bold;
            color: #b40000;
            margin-bottom: 15px;
        }
        .card-desc {
            font-size: 16px;
            color: #333333;
            line-height: 1.6;
        }
        .location-card {
            background: rgba(180,0,0,0.04);;
            padding: 20px;
            border-radius: 12px;
            text-align: center;
        }
        .location-title {
            	font-size: 20px;
            font-weight: bold;
            color: #333333;
            margin-bottom: 20px;
        }
        .location-list {
            display: flex;
            justify-content: space-around;
            gap: 20px;
            flex-wrap: wrap;
        }
        .location-item {
            font-size: 16px;
            color: #333333;
        }
        .location-num {
            font-size: 18px;
            font-weight: bold;
            color: #b40000;
            margin: 0 5px;
        }
        /* 右侧世界地图区：自适应 */
        .world-map-wrapper {
            position: relative;
            width: 100%;
            height: 100%;
            min-height: 300px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .world-map-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }
        .world-map-wrapper:hover .world-map-img {
            transform: scale(1.03);
        }
        .map-marker {
            position: absolute;
            top: 35%;
            left: 78%;
            width: 20px;
            height: 20px;
            background: #b40000;
            border-radius: 50%;
            box-shadow: 0 0 0 6px rgba(180, 0, 0, 0.3);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% {
                transform: scale(1);
                opacity: 1;
            }
            100% {
                transform: scale(1.5);
                opacity: 0;
            }
        }
        .map-label {
            position: absolute;
            top: 24%;
            right: 20%;
            background: #b40000;
            color: #fff;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: bold;
            white-space: nowrap;
        }
        /* 响应式适配：小屏自动堆叠 */
        @media (max-width: 992px) {
            .logistics-container {
                grid-template-columns: 1fr;
            }
            .logistics-row {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 28px;
            }
            .world-map-wrapper {
                min-height: 300px;
            }
        }
        @media (max-width: 576px) {
            .logistics-section {
                padding: 25px 15px;
            }
            .card-title {
                font-size: 22px;
            }
            .card-desc {
                font-size: 16px;
            }
            .location-title {
                font-size: 22px;
            }
            .location-item {
                font-size: 18px;
            }
            .location-num {
                font-size: 24px;
            }
        }