p {
    margin: 0;
}

input,
textarea {
    border: none;
    outline: none;
    background-color: transparent;
}

img {
    vertical-align: middle;
}

/* 通用样式 */
.p1920 {
    width: 1920px;
    position: relative;
    left: 50%;
    margin-left: -960px;
}

.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.bw {
    width: 100%;
}

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

.clearboth {
    height: 0px;
    line-height: 0px;
    overflow: hidden;
    clear: both;
    font-size: 0px;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.dfc {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ovimg,
.ibw,
.miw,
.iml,
.imgbig {
    overflow: hidden;
}

.imgbig img {
    -webkit-transition: all ease .5s;
    -moz-transition: all ease .5s;
    -ms-transition: all ease .5s;
    -o-transition: all ease .5s;
    transition: all ease .5s;
}

.imgbig:hover img {
    -webkit-transform: scale(1.2, 1.2);
    -moz-transform: scale(1.2, 1.2);
    -ms-transform: scale(1.2, 1.2);
    -o-transform: scale(1.2, 1.2);
    transform: scale(1.2, 1.2);
}

.ovimg img {
    width: 100%;
    min-height: 100%;
}

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

.miw img {
    max-width: 100%;
    max-height: 100%;
}

.iml {
    text-align: center;
}

.iml img {
    transform: translateY(-2px);
    vertical-align: middle;
}

.bgmax {
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center top;
}

.bgmin {
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center top;
}

.fh {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}





/* 导航栏 */
.nav1 {}

.nav-li {
    position: relative;
    z-index: 999;
}

.nav-li .nav-a {
    display: block;
    line-height: 65px;
    font-size: 18px;
    color: #ffffff;
    width: 137px;
    text-align: center;
}

.nav-ul {
    position: absolute;
    left: 50%;
    top: 100%;
    background-color: #2953ad;
    z-index: 999;
    min-width: 100%;
    transform: translate(-50%, 20px);
    opacity: 0;
    visibility: hidden;
    transition: all .5s ease;
}

.nav-ul li {
    width: 100%;
}

.nav-ul li a {
    width: 100%;
    line-height: 38px;
    text-align: center;
    display: block;
    color: #fff;
    white-space: nowrap;
    padding: 0 5px;
}

.nav-li:hover .nav-a {
    background-color: #fc9c42;
    color: #fff;
}

.nav-li:hover .nav-ul {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
    transform: translate(-50%, 0);
}

.nav-ul li a:hover {
    background: #fc9c42;
}