@charset "utf-8";
/* header 页面样式 */
.header {
    height: 74px;
    position: absolute;
    width: 100%;
    color: #fafafa;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.8);
}

.header_container {
    width: 1220px;
    margin: 0 auto;
    position: relative;
}

.header_logo {
    display: block;
    width: 74px;
    height: 74px;
    margin-left: 40px;
}

.log_img {
    width: 66px;
    height: 38px;
    margin: 17px 0;
}

.logo_title {
    text-indent: -20000px;
}

/* 新添加的header样式 结束 登录按钮样式更改*/
.header_nav {
    position: relative;
    margin-left: 30px;
}

.header_nav_item {
    height: 74px;
    line-height: 74px;
    position: relative;
    cursor: pointer;
}

.nav_more {
    position: absolute;
    right: 10px;
    top: 50%;
    margin-top: -4px;
    width: 12px;
    height: 8px;
    background-image: url("../images/icon/icon_down.png");
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 12px 8px;
    transition: all 0.3s ease-in;
    -webkit-transition: all 0.3s ease-in;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
}

/*.header_nav_item.active .nav_more {*/
/*background-image: url("../images/icon/icon_up.png");*/
/*}*/
.header_nav_item.active .nav_more {
    transform: rotate(-180deg);
    -webkit-transform: rotate(-180deg);
}
.header_nav_item:hover a {
    color: #a51f24;
}

.header_nav_item a {
    width: 100%;
    height: 100%;
    display: block;
    color: inherit;
    text-decoration: none;
    /*padding: 0 64px 0 20px;*/
    padding: 0 30px;
    box-sizing: border-box;
}

/* 状态栏点击后的一些属性 硬件部分 */
.product_top {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    bottom: 1px; /* 没仔细看是要补偿哪里，底部容易因为此处背景出现一条黑线 */
    z-index: -1;
    background-color: black;
    background-color: rgba(0, 0, 0, .68);
    overflow: hidden;
    /*display: none;*/
}

.product_mask {
    height: 338px;
    background-color: #2d2d2d;
    overflow: hidden;
    transition: all 0.3s 0.3s ease;
    -webkit-transition: all 0.3s 0.3s ease;
    transform: translate(0, -10px);
    -webkit-transform: translate(0, -10px);
    opacity: 0;
}

.product_top.active {
    /*display: block;*/
    z-index: 10;
}

.product_top.active .product_mask {
    transform: translate(0, 0);
    -webkit-transform: translate(0, 0);
    opacity: 1;
}

.ware_item {
    margin-top: 35px;
    margin-left: 38px;
    width: 280px;
    height: 280px;
    background-color: #fdfdfd;
    transition: all 0.3s ease-in;
    -webkit-transition: all 0.3s ease-in;
    transform: scale(1.00);
    -webkit-transform: scale(1.00);
}

.ware_item:hover {
    -webkit-transform: scale(1.05);
    transform: scale(1.05);
}

.product_top .hardware_helmet, .product_top .software_app {
    margin-left: 251px;
    cursor: pointer;
}

.product_top .product_img {
    width: 280px;
    height: 218px;
    display: block;
}

.item_txt {
    margin-top: 14px;
    line-height: 48px;
}

.select_lang {
    position: absolute;
    right: 10px;
    top: 21px;
    width: 120px;
    height: 32px;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    overflow: hidden;
    font-size: 14px;
    border-radius: 5px;
}

.lang_cn {
    width: 100%;
    height: 32px;
    line-height: 32px;
    padding-left: 36px;
    background-image: url("../images/icon/icon_lang_cn.png");
    background-repeat: no-repeat;
    background-position: 10px center;
    background-size: 16px 16px;
    background-color: #000;
}

.lang_en {
    width: 100%;
    height: 32px;
    line-height: 32px;
    padding-left: 36px;
    margin-top: 1px;
    background-image: url("../images/icon/icon_lang_en.png");
    background-repeat: no-repeat;
    background-position: 10px center;
    background-size: 16px 16px;
    background-color: #000;
}

.select_lang.show {
    height: 65px;
}