body {
            margin: 0;
            padding: 0;
            background-color: #fff;
            width: 100%;
            overflow-x: hidden;
            -webkit-overflow-scrolling: touch;
            direction: ltr;
            font-size: 16px;
        }

        .main-content {
            width: 100%;
            position: relative;
        }

        .sub-nav {
            width: 80%;
            background-color: #f5f5f5;
            z-index: 90;
			margin:50px auto 0 auto;
        }

        .sub-nav-container {
            width: 100%;
            max-width: 1520px;
            margin: 0 auto;
            display: -webkit-box;
            display: -moz-box;
            display: -ms-flexbox;
            display: -webkit-flex;
            display: flex;
            -webkit-box-pack: stretch;
            -moz-box-pack: stretch;
            -ms-flex-pack: stretch;
            -webkit-justify-content: stretch;
            justify-content: stretch;
            flex-direction: row;
            flex-wrap: nowrap;
        }

        .sub-nav-item {
            -webkit-box-flex: 1;
            -webkit-flex: 1;
            -ms-flex: 1;
            flex: 1;
            text-align: center;
            padding: 12px 0;
            text-decoration: none;
            color: #47d1c3;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s;
            border: none;
            border-right: 1px solid #e0e0e0;
            display: block;
            position: relative;
            zoom: 1;
            white-space: nowrap;
        }

        .sub-nav-item:last-child {
            border-right: none;
        }

        .sub-nav-item.active {
            color: #fff;
            background-color: #47d1c3;
        }

        .sub-nav-item:hover {
            color: #fff;
            background-color: #47d1c3;
        }        

        

        /* 瑞丽简介样式 */
        .company-intro {
            padding: 80px 0;
        }

        .intro-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 图片区域 */
        .image-section {
            flex: 1 1 45%;
            min-width: 300px;
            max-height: 533px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .image-section img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border: none;
        }

        /* 文字内容区域 */
        .text-section {
            flex: 1 1 45%;
            min-width: 300px;
            padding: 0 30px;
            max-height: 533px;
            overflow-y: auto;
        }

        .text-section h1 {
            font-size: clamp(24px, 3vw, 36px);
            font-size: 36px;
            font-weight: 500;
            color: #47d1c3;
            margin: 0;
            line-height: 1;
            letter-spacing: 1px;
        }

        .text-section h2 {
            font-size: clamp(18px, 2vw, 25px);
            font-size: 25px;
            font-weight: 400;
            color: #333333;
            margin: 0;
            line-height: 1;
            letter-spacing: 0.5px;
            margin: 15px 0 15px 0;
        }

        .text-content {
            font-size: clamp(0.7rem, 1vw, 1rem);
			font-size:13px;
            text-align: justify;
            line-height: 1.8;
        }