:root {
    --w: 1200px;
    --min_w: 1200px;
    --color_active: #d92219;
    --color_main: #333;
    --color_ordinary: #999;
}

body {
    overflow: visible;
}
/* head START */
.fixed-header{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 3px 5px rgba(150,150,150,0.7);
    background: #fff;
}

header .head_center {
    width: 1200px;
    margin: 0 auto;
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .head_center .logo a {
    display: flex;
    align-items: center;
}
header .head_center .logo img {
    width: 196px;
}
header .head_center .logo h1 {
    color: #d92219;
    font-size: 48px;
    transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    display: inline-block;
    font-weight: bold;
}
header .head_center .nav {
    flex: 1;
    margin-right: 20px;
}
header .head_center .nav>ul {
    font-size: 16px;
    color: #333;
    display: flex;
    justify-content: flex-end;
}
header .head_center .nav .search {
    display: none;
    width: 100%;
    padding: 20px 0;
    background: rgb(229,229,229);
    overflow: hidden;
}
header .head_center .nav .search form {
    width: 96%;
    margin: auto;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header .head_center .nav .search form input {
    border: 1px solid #999;
    padding: 10px;
    font-size: 18px;
    flex: 1;
    width: 100%;
}
header .head_center .nav .search form button {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 20px;
    right: 10px;
    top: 25%;
    box-sizing: content-box;
    background: none;
    cursor: pointer;
    border: none;
}
header .head_center .nav .search form button img {
    width: 100%;
}
header .head_center .nav a {
    display: block;
}
header .head_center .nav>ul>li {
    position: relative;
}
header .head_center .nav>ul>li>a {
    padding: 0 20px;
}
header .head_center .nav li.active {
    color: #d92219;
}
header .head_center .nav li.active ul {
    display: block;
}
header .head_center .nav>ul ul {
    display: none;
    position: absolute;
    color: #333;
    padding: 20px 40px;
    padding-top: 25px;
    background: #fff;
    width: 190px;
    top: 70px;
    left: 0;
    animation: ul_move 0.3s;
    -ms-zoom-animation: none;
    z-index: 100;
    box-sizing: content-box;
    box-shadow: 0px 0px 5px #ccc;
}
@keyframes ul_move {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
header .head_center .nav>ul ul li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0 12px;
    border-bottom: 1px solid rgb(210,210,210);
}
header .head_center .nav>ul ul li:first-child a {
    padding-top: 0;
}
header .head_center .nav>ul ul li a img {
    width: 12px;
    transform: translateY(1px);
}
header .head_center .nav>ul ul li.active {
    color: #d92219;
}
header .head_center .nav>ul>li.active::after {
    content: '';
    display: block;
    position: absolute;
    width: 0;
    height: 0;
    border: 12px solid rgba(0,0,0,0);
    border-bottom-color: #333;
    left: calc(50% - 12px);
    top: 44px;
}
header .head_center .nav a:hover {
    color: #d92219;
}
header .head_center .right {
    display: flex;
    align-items: center;
}
header .head_center .right .search img {
    height: 18px;
}
header .search_box {
    position: fixed;
    top: 114px;
    left: 0;
    width: 100%;
    background: rgba(229, 229, 229, .8);
    overflow: hidden;
    display: none;
    animation: search_move 0.2s linear forwards;
    z-index: 10;
}
header .search_box.active {
    display: block;
}
@keyframes search_move {
    0% {
        height: 0;
    }
    100% {
        height: 100px;
    }
}
header .search_box form {
    width: 1200px;
    height: 100%;
    margin: auto;
    position: relative;
    display: flex;
    justify-content: space-between;
    /* align-items: center; */

}
header .search_box form input {
    border: 1px solid #999;
    padding: 10px;
    padding-right: 40px;
    font-size: 18px;
    position: absolute;
    flex: 1;
    bottom: 25%;
    width: calc(100% - 50px);
    box-sizing: content-box;
}
header .search_box form button {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 20px;
    bottom: calc(25% + 12px);
    right: 10px;
    background: none;
    cursor: pointer;
    box-sizing: content-box;
    border: none;
}
header .search_box form button img {
    width: 100%;
}
header .head_center .right .language {
    color: #999;
    margin-left: 20px;
    position: relative;
}
header .head_center .right .language .language_click.active {
    color: #d92219;
}
header .head_center .right .language .language_click.active img {
    display: none;
}
header .head_center .right .language .language_click.active img.active {
    display: block;
}
header .head_center .right .language>a {
    display: flex;
    align-items: center;
}
header .head_center .right .language>a:hover {
    color: #d92219;
}
header .head_center .right .language>a:hover img {
    display: none;
}
header .head_center .right .language>a:hover img.active {
    display: block;
}
header .head_center .right .language>a>img {
    height: 14px;
    transform: rotate(90deg) translateX(2px);
    -ms-transform: rotate(90deg) translateY(0px);
    margin-left: 2px;
}
header .head_center .right .language>a>img.active {
    display: none;
}
header .head_center .right .language ul {
    display: none;
    position: absolute;
    width: 140px;
    border: 1px solid #eee;
    right: 0;
    z-index: 100;
    transform: translateY(3px);
    animation: language_move 0.3s;
}
@keyframes language_move {
    0%{
        opacity: 0;
        transform: translateY(30px);
    }
    100%{
        opacity: 1;
        transform: translateY(0px);
    }
}
header .head_center .right .language ul.active {
    display: block;
}
header .head_center .right .language ul li a {
    display: flex;
    align-items: center;
    padding: 5px;
    background: #fff;
    font-size: 14px;
    color: #666;
}
header .head_center .right .language ul li a:hover {
    background: #eee;
}
header .head_center .right .language ul li a img {
    height: 20px;
    flex: 1;

}
header .head_center .right .language ul li a span {
    margin-left: 10px;
    width: 70%;
}
header .head_center .menu {
    display: none;
    align-items: center;
}
header .head_center .menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
}
header .head_center .menu .search {
    display: none;
}
header .head_center .menu .search a {
    margin-right: 10px;
}
header .head_center .menu a img {
    width: 100%;
}
/* head END */



/* footer START */
footer {
    background: #313131;
    padding-top: 15px;
}
footer .footer_center {
    width: 1200px;
    margin: 0 auto;
    font-size: 14px;
}
footer .footer_center a:hover {
    color: #d92219;
    text-decoration: underline;
}
footer .footer_center .to_top {
    float: right;
    cursor: pointer;
}
footer .footer_center .to_top {
    float: right;
    cursor: pointer;
}
footer .footer_center .to_top::after {
    content: " ";
    display: block;
    clear: both;
}
footer .footer_center .to_top span {
    display: inline-block;
    cursor: pointer;
    font-size: 12px;
    color: #cacaca;
}
footer .footer_center .to_top img {
    width: 12px;
    transform: rotate(-90deg);
    margin-left: 5px;
}
footer .footer_center .logo {
    margin-top: 20px;
    display: inline-block;
}
footer .footer_center .logo img {
    width: 200px;
}
footer .footer_center .nav {
    width: 100%;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
}
footer .footer_center .nav>ul {
    display: flex;
    color: #fff;
    flex: 1;
}
footer .footer_center .nav>ul>li {
    margin-left: 7%;
}
footer .footer_center .nav>ul>li:first-child {
    margin-left: 0;
}
footer .footer_center .nav>ul>li ul {
    color: #c2c1c1;
    margin-top: 20px;
}
footer .footer_center .nav>ul>li ul li {
    margin-top: 8px;
}
footer .footer_center .nav .qr_code {
    background: #fff;
}
footer .footer_center .nav .qr_code img {
    width: 140px;
    padding: 20px;
    box-sizing: content-box;
}
footer .footer_center .copyright {
    color: #c2c1c1;
    
    padding: 15px 0;
    border-bottom: 1px solid #fff;
}
footer .footer_center .copyright span {
    margin-right: 20px;
}
footer .footer_center .bottom {
    /* margin-right: 20px; */
    padding: 35px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
footer .footer_center .bottom div ul {
    display: flex;
    align-items: center;
    color: #fff;
    
}
footer .footer_center .bottom div.left li {
    margin-right: 20px;
    position: relative;
}
footer .footer_center .bottom div.left li:not(:last-child)::after {
    content: "";
    display: block;
    width: 1px;
    height: 13px;
    background: #fff;
    position: absolute;
    top: 4px;
    right: -10px;
}
footer .footer_center .bottom div.right li {
    margin-left: 15px;
}
footer .footer_center .bottom div.right li a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
}
footer .footer_center .bottom div.right li img {
    height: 70%;
    width: 70%;
}

/* footer END */


/* 响应 START */
@media screen and (min-width: 1240px) {
    header .head_center .nav li:hover ul {
        display: block;
    }
}
@media screen and (max-width: 1240px) {
    header .head_center {
        width: 96%;
        padding: 20px 0;
    }
    header .head_center .logo img {
        width: 180px;
    }
    header .head_center .logo h1 {
        font-size: 44px;
    }
    footer .footer_center {
        width: 96%;
    }
    header .head_center .nav>ul ul {
        padding: 18px 35px;
        padding-top: 22px;
        width: 180px;
        top: 63px;
    }
    header .head_center .nav>ul>li.active::after {
        top: 37px;
    }
    header .search_box form {
        width: 96%;
    }
    header .search_box{
        top: 99px;
    }
}
@media screen and (max-width: 992px) {
    header .head_center {
        padding: 15px;
        -ms-padding: 20px 15px;
    }
    header .head_center .logo img {
        width: 130px;
    }
    header .head_center .logo h1 {
        font-size: 34px;
    }
    header .head_center .nav {
        width: 100%;
        display: none;
        position: absolute;
        top: 75px;
        -ms-top: 70px;
        left: 0;
        z-index: 100;
        background: #fff;
        animation: nav_move 0.3s;
        box-shadow: 0 5px 10px #999;
    }
    @keyframes nav_move {
        0% {
            opacity: 0;
        }
        100% {
            opacity: 1;
        }
    }
    header .head_center .nav>ul {
        flex-direction: column;
        width: 100%;
        margin: 0;
        padding: 0;
    }
    header .head_center .nav .search {
        display: block;
    }
    header .head_center .nav>ul>li {
        border-top: 1px solid #cacaca;
    }
    header .head_center .nav>ul>li>a {
        padding: 20px;
    }
    header .head_center .nav>ul li.active::after {
        border: none;
    }
    header .head_center .nav>ul ul {
        flex-direction: column;
        width: 100%;
        margin: 0;
        padding: 0;
        position: relative;
        top: 0;
        left: 0;
        background: #333;
    }
    header .head_center .nav>ul ul li {
        padding: 0;
        margin: 0;
        color: #cacaca;
    }
    header .head_center .nav>ul ul li:first-child a {
        padding-top: 15px;
    }
    header .head_center .nav>ul ul li a {
        margin: 0;
        border: none;
        padding: 0;
        padding: 0 20px 15px;
    }
    header .head_center .nav>ul ul li a img {
        display: none;
    }

    header .head_center .right {
        display: none;
    }
    header .head_center .menu {
        display: flex;
    }


    footer .footer_center {
        width: 96%;
    }
    footer .footer_center .logo {
        display: none;
    }
    footer .footer_center .nav .qr_code {
        display: none;
    }
    footer .footer_center .nav {
        padding-top: 10px;
    }
    footer .footer_center .nav>ul {
        justify-content: flex-start;
        margin: 0;
        flex-wrap: wrap;
    }
    footer .footer_center .nav>ul li {
        margin-left: 0;
        margin-right: 20px;
    }
    footer .footer_center .nav>ul ul {
        display: none;
    }
    footer .footer_center .copyright {
        display: flex;
        flex-direction: column;
    }
    footer .footer_center .copyright span {
        margin-bottom: 5px;
    }

}

@media screen and (max-width: 768px) {
    footer .footer_center .copyright{
        text-align: center;
    }
    footer .footer_center .nav>ul {
        justify-content: center;
        margin: 0;
        flex-wrap: wrap;
    }
}

@media screen and (max-width: 576px) {
    header .head_center {
        width: 96%;
        padding: 10px 0;
    }
    header .head_center .nav {
        top: 65px;
    }
    header .search_box {
        padding: 45px 0;
    }
    header .head_center .nav>ul>li>a {
        padding: 15px 20px;
    }
    footer .footer_center .bottom {
        padding: 20px 0;
        flex-direction: column;
    }
    footer .footer_center .bottom .left ul {
        flex-wrap: wrap;
    }
    footer .footer_center .bottom .left ul li:last-child {
        margin: 0;
    }
    footer .footer_center .bottom .right {
        margin-top: 10px;
    }

}
@media screen and (max-width: 375px) {
    header .head_center .nav {
        top: 57px;
    }
    header .head_center .logo img {
        width: 100px;
    }
    header .head_center .logo h1 {
        font-size: 28px;
    }
    header .head_center .menu .search {
        display: none;
    }
    header .search_box {
        padding: 40px 0;
    }
    header .head_center .nav>ul>li>a {
        padding: 10px 20px;
    }
    footer .footer_center .bottom {
        padding: 15px 0;
    }
}
/* 响应 END */