* {
    margin: 0;
    padding: 0;
}

div {
    box-sizing: border-box;
}

body {
    background-color: RGBA(244, 244, 244, 1);
    min-width: 1450px;
}

i {
    font-style: normal;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
}

.w {
    width: 1450px;
    margin: 0 auto;
}

.nav {
    display: block;
    width: 100%;
    max-width: 1920px;
    margin: auto;
}

.nav_box {
    position: fixed;
    width: 100%;
    top: 0;
    height: 113px;
    background-color: rgb(156 3 3 / 20%) ;
    z-index: 99999;
    transition: all .5s;
}

.nav_wrap {
    position: fixed;
    z-index: 9999;
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 113px;
    margin: 0 auto;
    max-width: 1899px;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.logo {
    width: 276px;
    height: 66px;
    margin: 25px 0 22px 25px;
}

.logo img {
    width: 100%;
}

.shortcut {
    height: 113px;
}

.search {
    visibility: hidden;
    display: flex;
    flex-direction: row-reverse;
    margin-top: 29px;
}

.search h4 {
    font-size: 24px;
    line-height: 24px;
    color: #fff;
    font-weight: 400;
    margin-right: 21px;
}

.find {
    float: right;
    display: flex;
    height: 28px;
    margin-right: 45px;
}

.find:hover .block {
    border: 1px solid #FFFFFF;
    width: 216px;
    border-radius: 216px;
    margin-right: 5px;
}

.block {
    text-indent: 0.7em;
    border: none;
    /* 取消选中搜索框时的外边框 */
    outline: none;
    width: 0;
    transition: .4s;
    line-height: 28px;
    font-size: 16px;
    color: #000000;
}

.post {
    color: #e94118;
    width: 28px;
    height: 28px;
    background-color: #2f3640;
    transition: .4s;
    border: 0;
    background: transparent url(../images/search.png) no-repeat center;
    cursor: pointer;
}

.shortcut_items {
    margin-right: 40px
}

.shortcut_items ul {
    display: flex;
}

.shortcut_items ul li a {
    display: block;
    font-size: 22px;
    line-height: 22px;
    padding: 10px 17px;
    color: #FFFFFF;
    border-bottom: 4px solid transparent;
    transition: .3s;
}

.shortcut_items ul li a:hover {
    border-bottom: 4px solid rgb(255,168,0);
}

/* footer section  */
footer {
    background-color: #AC2622;
    height: 273px;
}

.footer {
    overflow: hidden;
    background-color: #AC2622;
    text-align: center;
}

.footer>img {
    margin: -22px 0 0 0;
}

.footer p {
    font-size: 20px;
    line-height: 20px;
    padding-bottom: 26px;
    margin-top: 42px;
    color: #FFFFFF;
    font-weight: 300;
}