body {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft YaHei', sans-serif;
    -webkit-font-smoothing: antialiased;
    font-weight: 500;
    overflow-x: hidden;
}

.clarfix {
    clear: both;
}

.por {
    position: relative;
}
.poa {
    position: absolute;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.5s ease;
}

.w1440 {
    width: 1440px;
    margin: 0 auto;
}
.w610 {
    width: 610px;
}
.fll {
    float: left;
}
.flr {
    float: right;
}
.ovh {
    overflow: hidden;
}
.mt8 {
    margin-top: 8px;
}
.mt20 {
    margin-top: 20px;
}
.mt28 {
    margin-top: 28px;
}
.mt80 {
    margin-top: 80px;
}
.mt100 {
    margin-top: 100px;
}

.mt30 {
    margin-top: 30px;
}
.mt46 {
    margin-top: 46px;
}
.mt120 {
    margin-top: 120px;
}
.mt130 {
    margin-top: 130px;
}
.mt140 {
    margin-top: 140px;
}
.mt180 {
    margin-top: 180px;
}
.mt200 {
    margin-top: 200px;
}
.mb32 {
    margin-bottom: 32px;
}
.mr140 {
    margin-right: 140px;
}
.fw200 {
    font-weight: 200;
}
.fw300 {
    font-weight: 300;
}
.fw400 {
    font-weight: 400;
}
.fw500 {
    font-weight: 500;
}
.fw700 {
    font-weight: 700;
}
.fw900 {
    font-weight: 900;
}
.fz18 {
    font-size: 18px;
}
.fz20 {
    font-size: 20px;
}
.fz24 {
    font-size: 24px;
}
.fz30 {
    font-size: 30px;
}
.fz42 {
    font-size: 42px;
}
.fz60 {
    font-size: 60px;
}

.lh72 {
    line-height: 72px;
}
.lh36 {
    line-height: 36px;
}
.lh32 {
    line-height: 32px;
}
.lh28 {
    line-height: 28px;
}

#back-to-top {
    display: none;
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 99;
    width: 56px;
    height: 56px;
    border: none;
    background: #4caf50 url('../images/top.png') no-repeat center center;
    background-size: 30px 30px;
    color: white;
    font-size: 24px;
    border-radius: 50%; /* 圆形按钮 */
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15); /* 柔和阴影 */
    transition: all 0.3s ease; /* 平滑过渡 */
}
#back-to-top:hover {
    background-color: #45a049; /* 悬停深色 */
    transform: translateY(-3px); /* 轻微上浮 */
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2); /* 悬停阴影增强 */
}

/*phone版头部*/
.top2 {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 2000;
    width: 100%;
    height: 51px;
    border-bottom: #ebebeb solid 1px;
    background-color: #fff;
    -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.09);
    -moz-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.09);
    -o-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.09);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.09);
    overflow: hidden;
}

.top2 .logo {
    float: left;
    width: 227px;
    height: 26px;
    margin-top: 8px;
    margin-left: 10px;
}
@media screen and (max-width: 1200px) {
    #header {
        display: none;
    }
    .top2 {
        display: block;
    }

    .m-details .txt img {
        display: block;
        width: 100%;
        height: auto;
    }
}

.top2 .logo img {
    width: 100%;
}

/*手机按钮*/
.menuph {
    position: absolute;
    top: 5px;
    right: 5px;
    cursor: pointer;
    width: 40px;
    height: 30px;
    text-align: center;
}
.menuph .point {
    display: inline-block;
    width: 28px;
    height: 22px;
    margin-top: 10px;
    position: relative;
}
.menuph .point:hover .navbtn,
.menuph .point:hover .navbtn::after,
.menuph .point:hover .navbtn::before {
    width: 28px;
}
.menuph .navbtn {
    position: absolute;
    top: 10px;
    right: 0;
    display: inline-block;
    width: 16px !important;
    height: 2px;
    -webkit-transition: all 0.3s ease-out 0s;
    -moz-transition: all 0.3s ease-out 0s;
    -ms-transition: all 0.3s ease-out 0s;
    -o-transition: all 0.3s ease-out 0s;
    transition: all 0.3s ease-out 0s;
    background: #000;
}
.menuph .navbtn::after,
.menuph .navbtn::before {
    position: absolute;
    right: 0;
    display: inline-block;
    width: 22px !important;
    height: 2px;
    content: '';
    -webkit-transition: all 0.3s ease-out 0s;
    -moz-transition: all 0.3s ease-out 0s;
    -ms-transition: all 0.3s ease-out 0s;
    -o-transition: all 0.3s ease-out 0s;
    transition: all 0.3s ease-out 0s;
    background: #000;
}
.menuph .navbtn::after {
    top: -8px;
}
.menuph .navbtn::before {
    top: 8px;
}
.menuph .point.active .navbtn {
    background: transparent;
}
.menuph .point.active .navbtn::after {
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    top: 0;
}
.menuph .point.active .navbtn::before {
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    top: 0;
}

/*手机下拉*/
.xialaph {
    position: fixed;
    top: 50px;
    left: 0;
    width: 100%;
    padding-bottom: 20px;
    padding-left: 16px;
    padding-right: 16px;
    display: none;
    z-index: 1029;
    background: #fff;
    overflow: hidden;
    /* height: 480px; */
    /* min-height: 390px; */
}
.xialaph .titleTwo {
    border-bottom: #f3f3f3 solid 1px;
}
.xialaph .ul2,
.xialaph .ul3 {
    display: none;
}
.xialaph .tp a {
    display: block;
    color: #333;
    font-size: 15px;
    font-weight: bold;
    line-height: 50px;
    position: relative;
}
.xialaph .tp b {
    position: absolute;
    right: 5px;
    top: 50%;
    width: 9px;
    height: 9px;
    float: right;
    border-top: #333 solid 1px;
    border-right: #333 solid 1px;
    margin-top: -7px;
    cursor: pointer;
    -webkit-transition: all 0.3s linear;
    -moz-transition: all 0.3s linear;
    -o-transition: all 0.3s linear;
    transition: all 0.3s linear;
    transform: rotate(135deg);
    -webkit-transform: rotate(135deg);
    -moz-transform: rotate(135deg);
    -o-transform: rotate(135deg);
}
.xialaph .tp.active b {
    margin-top: -5px;
    transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    border-top: #333 solid 1px;
    border-right: #333 solid 1px;
}
.xialaph h5 a {
    display: block;
    text-transform: uppercase;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    line-height: 42px;
}
.xialaph h5 {
    position: relative;
    margin-left: 20px;
}
.xialaph h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background-color: #f5f5f5;
    /*opacity: 0.05;*/
}
.xialaph li:last-child h5::after {
    display: none;
}

.xialaph .ul3 {
    padding-top: 12px;
    padding-bottom: 18px;
    padding-left: 15px;
    position: relative;
}
.xialaph .ul3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background-color: #e5e5e5;
}
.xialaph li:last-child .ul3::after {
    display: none;
}
.xialaph .ul3 li a {
    color: #666;
    font-size: 14px;
    line-height: 35px;
    display: block;
}
.xialaph .ul3 li {
    padding-top: 5px;
}
.xialaph .ul3 li:first-child {
    padding-top: 0;
}
.xialaph .searchP {
    margin-top: 15px;
    height: 35px;
    border: #ccc solid 1px;
    border-radius: 18px;
    -webkit-border-radius: 18px;
    -moz-border-radius: 18px;
    -o-border-radius: 18px;
}
.xialaph .searchP button {
    float: right;
    width: 21px;
    height: 21px;
    margin: 6px 18px 0 0;
    line-height: 0;
    -webkit-appearance: none;
    background: 0;
    outline: 0;
    border: 0;
    border-radius: 0;
}
.xialaph .searchP .searchLeft {
    padding: 0 40px 0 0;
}
.xialaph .searchP .searchLeft .Iminput {
    float: left;
    width: 100%;
    height: 33px;
    padding: 0 0 0 14px;
    color: #333;
    font-size: 14px;
    border: 0;
    background: 0;
    border-radius: 18px;
    -webkit-border-radius: 18px;
    -moz-border-radius: 18px;
    -o-border-radius: 18px;
    -webkit-appearance: none;
    outline: 0;
}

.xialaph {
    padding-bottom: 20px;
}

.xialaph .input {
    margin-top: 15px;
    width: 280px;
    height: 42px;
    background: #fff;
    border-radius: 8px;
    position: relative;
    padding: 10px;
    border: 1px solid #eeeeee;
}

.xialaph input {
    width: 230px;
    line-height: 20px;
    font-size: 16px;
    border: none;
}

.xialaph .input a {
    display: block;
    width: 16px;
    height: 17px;
    float: right;
    background: url(../images/icon_1.png) no-repeat center center;
    background-size: 100% 100%;
    line-height: 16px;
    position: absolute;
    right: 10px;
    top: 12px;
}