body, h1, h2, h3, h4, h5, h6, ul, ol, li, dl, dt, dd, p, input, select, option {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei';
    font-weight: normal
}

table, tbody, tr, td, th {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei';
    font-weight: normal;
    border: 0
}

ul, li, ol {
    list-style: none
}

img {
    border: 0;
    outline: 0
}

em, i {
    font-style: normal
}

body {
    font-family: 'Microsoft YaHei, SF Pro Display, Roboto, Noto, Arial, PingFang SC, Hiragino Sans GB, sans-serif';
    font-size: 12px;
    color: #2E2E2E;
    background: #F5F6F7;
    line-height: 24px;
}

a {
    outline: 0;
    text-decoration: none;
    color: #666
}

a:hover {
    text-decoration: none
}

.clear {
    clear: both
}

.fl {
    float: left
}

.fr {
    float: right
}

.clearfix:after {
    content: '.';
    height: 0;
    visibility: hidden;
    display: block;
    clear: both;
    zoom: 1
}

.mall_nav {
    width: 100%;
    background: #E4E9EC;
    height: 40px;
}

.mall_nav .mall_nav {
    width: 1170px;
    margin: auto;
}

.mall_nav .mall_nav .nav_l {
    width: 600px;
}

.mall_nav .mall_nav .nav_l .nav_l_ul {
    overflow: hidden;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li {
    float: left;
    margin: 0px 8px;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li a {
    display: block;
    box-sizing: border-box;
    font-size: 14px;
    color: #1F1F1F;
    height: 40px;
    line-height: 40px;
    position: relative;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li.act_bar a {
    border-bottom: 2px solid #CA0C16;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li.act_bar a:after {
    content: "";
    border: 4px solid #CA0C16;
    width: 0px;
    height: 0px;
    border-left-color: transparent;
    border-right-color: transparent;
    border-top-color: transparent;
    position: absolute;
    left: 0px;
    right: 0px;
    bottom: 0px;
    margin: auto;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li:first-child {
    margin-left: 0px;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li.act_hot a:after {
    position: absolute;
    width: 23px;
    height: 14px;
    content: "";
    background: url(../images/nav/hot.svg) no-repeat center center;
    background-size: 100% 100%;
    top: 0px;
    right: -20px;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li.buy_car a {
    padding-right: 20px;
    background: url(../images/nav/buycar.svg) no-repeat 46px center;
    position: relative;
}

.mall_nav .mall_nav .nav_l .nav_l_ul li.buy_car a span {
    display: block;
    height: 14px;
    font-size: 12px;
    border-radius: 12px;
    background: #CA0C16;
    color: #fff;
    position: absolute;
    left: 50px;
    top: 7px;
    line-height: 14px;
    padding: 0px 4px;
}

.mall_nav .mall_nav .nav_r {
    width: 330px;
}

.mall_nav .mall_nav .nav_r .nav_shop {
    margin-left: 16px;
}

.mall_nav .mall_nav .nav_r .nav_shop a {
    display: block;
    font-size: 14px;
    color: #1F1F1F;
    line-height: 40px;
}

.mall_nav .mall_nav .nav_r .nav_form {
    padding-top: 6px;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search {
    position: relative;
    box-sizing: border-box;
    border: 1px solid #CCCCCC;
    background: #fff;
    border-radius: 4px;
    width: 258px;
    height: 28px;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .select {
    display: none;
    position: absolute;
    z-index: 30;
    left: 0px;
    top: 27px;
    width: 93px;
    background: #fff;
    border: 1px solid #CCCCCC;
    border-top: none
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .select li a {
    display: block;
    padding-left: 8px;
    font-size: 14px;
    color: #4D4D4D;
    letter-spacing: 0;
    line-height: 28px;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .select li a:hover {
    background: #E4E9EC;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .select_change {
    float: left;
    display: block;
    font-size: 14px;
    color: #4D4D4D;
    height: 26px;
    line-height: 28px;
    float: left;
    margin-left: 8px;
    width: 86px;
    border-right: 1px solid #CCCCCC;
    background-image: url(../images/nav/csdnc-triangledown.svg);
    background-repeat: no-repeat;
    background-position: 60px center;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .select_up {
    background-image: url(../images/nav/csdnc-triangleup.svg);
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .select_change:hover {
    cursor: pointer;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .yourfoods {
    box-sizing: border-box;
    outline: none;
    border: none;
    width: 160px;
    height: 26px;
    padding-left: 8px;
    padding-right: 32px;
    font-size: 14px;
    color: #CCCCCC;
    line-height: 26px;
    float: right;
    border-radius: 4px;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .yourfoods::-webkit-input-placeholder {
    color: #CCCCCC;
    line-height: 26px !important;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .yourfoods:-moz-placeholder {
    color: #CCCCCC;
    line-height: 26px !important;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .yourfoods::-moz-placeholder {
    color: #CCCCCC;
    line-height: 26px !important;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .yourfoods:-ms-input-placeholder {
    color: #CCCCCC;
    line-height: 26px !important;
}

.mall_nav .mall_nav .nav_r .nav_form .sub_search .bt_search {
    position: absolute;
    display: block;
    width: 24px;
    height: 26px;
    box-sizing: border-box;
    top: 0px;
    right: 0px;
    color: #e0e0e0;
    border-radius: 4px;
    background: url(../images/nav/search.svg) no-repeat left center;
}