@CHARSET "UTF-8"; .product_detail {
    position: relative;
    padding: 5px;
    width: 100%;
    margin: 0 auto;
}

.product_detail .title {
    background: #f8b551;
    height: 35px;
    line-height: 35px;
    text-align: center;
    margin-top: 2px;
    font: 500 14px/35px "微软雅黑";
    color: #fff;
}

.product_detail .img {
    width: 100%;
    margin-top: 10px;
}

.product_detail .img img {
    width: 100%;
    height: auto;
}

.handin {
    width: 84px;
    height: 31px;
    background: #f8b551;
    margin: 0 auto;
    text-align: center;
    line-height: 31px;
    font: 500 14px/31px "微软雅黑";
    color: #fff;
    margin-top: 10px;
    cursor: pointer;
}

.handin a {
    color: #fff;
}

.product_content {
    width: 100%;
    margin: 0 auto;
    margin-top: 10px;
    padding: 5px;
}

.product_content .title {
    background: #f8b551;
    height: 35px;
    line-height: 35px;
    text-align: center;
    margin-top: 2px;
    font: 500 14px/30px "微软雅黑";
    color: #fff;
    line-height: 35px;
    text-align: left;
    padding-left: 10px;
}

.product_content .content {
    padding: 5px;
    font: 500 14px/25px "微软雅黑";
    color: #333;
    text-align: left;
}

.product_content .content img {
    height: auto !important;
    max-width: 100% !important;
}

.product_content .pn {
    background: #f3f3f3;
    padding: 5px;
    line-height: 30px;
    border: 1px solid #d9d9d9;
    color: #666;
    text-align: left;
    font: 500 14px/30px "微软雅黑";
    margin-top: 5px;
}

.product_content .pn a {
    font: 500 14px/24px "微软雅黑";
}

.news_detail {
    position: relative;
    padding: 5px;
    width: 100%;
    margin: 0 auto;
}

.news_detail .title {
    background: #f8b551;
    height: 35px;
    line-height: 35px;
    text-align: center;
    margin-top: 2px;
    font: 500 14px/35px "微软雅黑";
    color: #fff;
}

.news_detail .content {
    padding: 5px;
    font: 500 14px/25px "微软雅黑";
    color: #333;
    text-align: left;
    line-height: 25px;
}

.news_detail .content img {
    height: auto !important;
    max-width: 100% !important;
}

.news_detail .pn {
    background: #f3f3f3;
    padding: 5px;
    line-height: 30px;
    border: 1px solid #d9d9d9;
    color: #666;
    text-align: left;
    font: 500 14px/30px "微软雅黑";
    margin-top: 5px;
}

.news_detail .pn a {
    font: 500 14px/24px "微软雅黑";
}

.page_title {
    width: 100%;
    margin: 0 auto;
    text-align: left;
    padding-left: 4px;
    padding: 8px;
}

.page_title ul {
    text-align: center;
    text-align: center;
    padding: 10px 0;
    text-align: left;
    background: #E0E0E0;
    padding-left: 10px;
}

.page_title ul li {
    height: 30px;
    line-height: 30px;
    display: inline-block;
    margin-bottom: 4px;
}

.page_title ul li a {
    border-radius: 2px;
    background: #fff;
    font: 500 14px/30px "微软雅黑";
    display: block;
    text-align: center;
    padding-left: 18px;
    padding-right: 18px;
    color: #000
}

.page_content {
    width: 97%;
    margin: 0 auto;
    font: 500 14px/30px "微软雅黑";
    color: #333;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    x-sizing: border-box;
    text-align: left;
    margin-top: 10px;
    color: #000
}

.page_content img {
    width: 100%;
    height: auto;
}

input {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    x-sizing: border-box;
}

.message_div {
    width: 100%;
    margin: 0 auto;
    text-align: left;
    padding: 5px
}

.message_div input {
}

.item input,textarea {
    background: white;
    border: none;
    vertical-align: middle;
    width: 100%;
    height: 30px;
    line-height: normal;
    padding: 2px;
    padding-left: 8px;
    font-size: 12px;
    color: #333;
    text-align: left;
    margin-top: 8px;
}

.submit {
    background: #f8b551;
    height: 35px;
    line-height: 35px;
    font: 100 14px/35px "微软雅黑";
    color: #fff;
    width: 100%;
    margin-top: 10px;
}

textarea.content {
    height: 40px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
    x-sizing: border-box;
    padding-top: 5px;
}

.code {
    text-align: left;
}

.code input {
    width: 50%;
}

.code img {
    vertical-align: middle;
    padding-left: 10px;
    display: inline;
    margin-top: 8px;
}



  /* 导航容器 */
        .product-nav {
            width: 100%;
            background: #fff;
            padding: 0 16px;
            position: relative;
        }

        .nav-item {
            /* position: relative; */
            width: 48%;
            border-bottom: 1px solid #ddd;
        }

        /* 一行布局 */
        .nav-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            font-size: 15px;
        }

        /* 文字链接 */
        .nav-text {
            color: #222;
            flex: 1;
        }

        /* 右侧加号按钮 */
        .nav-toggle {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #999;
            cursor: pointer;
            user-select: none;
        }

        /* ======================
           弹出式二级菜单（带关闭×）
           ====================== */
        .sub-nav {
            display: none;
            position: absolute;
            left: 0;
            right: 0;
            top: 100%;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.15);
            padding: 10px 0;
            z-index: 999;
            width: 90%;
            left: 5%;
        }

        /* 关闭按钮 X */
            .sub-nav li.close-btn {
            text-align: right;
            padding: 0 16px 0;
            font-size: 20px;
            color: #007aff;
            cursor: pointer;
            padding: 0 15px;
        }

        .sub-nav li {
            padding: 12px 16px;
        }
        .sub-nav a {
            font-size: 15px;
            color: #222;
        }

        /* 隐藏单选框（核心：互斥开关） */
        .nav-item input {
            display: none;
        }

        /* 选中 → 显示当前菜单 */
        .nav-item input:checked ~ .sub-nav {
            display: block;
        }
        .nav-item input:checked ~ .nav-row .nav-toggle {
            transform: rotate(45deg);
        }

        /* 点击高亮 */
        .nav-text:active, .sub-nav a:active {
            color: #007aff;
        }




		.nav-list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 10px;
    }
.nav-row a{text-align:left;}

/* //////////////// */

  /* 表单容器 */
        .form-container {
            background: #ffffff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }

        /* 表单项通用包装 */
        .form-item {
            margin-bottom: 16px;
        }

        /* 标签样式 */
        .form-item label {
            display: block;
            font-size: 14px;
            color: #333;
            text-align: left;
            margin-bottom: 6px;
            font-weight: 500;
        }

        /* 输入框、文本域通用样式 */
        .form-item input[type="text"],
        .form-item input[type="tel"],
        .form-item input[type="email"],
        .form-item textarea {
            width: 100%;
            padding: 12px 10px;
            border: 1px solid #dcdcdc;
            border-radius: 4px;
            font-size: 16px;
            color: #333;
            background: #ffffff;
            /* 移动端点击高亮去除 */
            -webkit-tap-highlight-color: transparent;
            text-align: left;
        }

        /* 聚焦状态 */
        .form-item input[type="text"]:focus,
        .form-item input[type="tel"]:focus,
        .form-item input[type="email"]:focus,
        .form-item textarea:focus {
            outline: none;
            border-color: #007aff;
            box-shadow: 0 0 0 2px rgba(0,122,255,0.1);
        }

        /* 文本域 */
        .form-item textarea {
            min-height: 120px;
            resize: none;
            line-height: 1.6;
        }

        /* 验证码行布局 */
        .verify-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .verify-input {
            flex: 1;
        }

        .verify-code-img {
            width: 100px;
            height: 40px;
            border: 1px solid #dcdcdc;
            border-radius: 4px;
            background: #f8f8f8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #666;
        }

        .refresh-code {
            font-size: 12px;
            color: #007aff;
            margin-top: 4px;
            text-align: center;
        }

        /* 提交按钮 */
        .submit-btn {
            width: 100%;
            padding: 12px;
            background: #0066cc;
            color: #ffffff;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            -webkit-tap-highlight-color: rgba(0,90,158,0.8);
        }

        .submit-btn:active {
            background: #005bb5;
        }

        /* 占位符样式 */
        ::-webkit-input-placeholder {
            color: #999;
        }
        ::-moz-placeholder {
            color: #999;
        }
        :-ms-input-placeholder {
            color: #999;
        }
        ::placeholder {
            color: #999;
        }