* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #f6f8fa;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
    margin-bottom: 50px !important;
}

img {
    width: 100%;
}

input {
    outline: 0;
    border: none
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

button {
    border: none;
    background: none;
}

.de_iv_adv {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 5px 0;
    background-color: #FFFFFF;
    /* margin: 10px 0 0px; */
}

.postionFixed {
    width: 100%;
    min-height: 60px;
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #F8F8F8;
    right: 0;
    left: 0;
    bottom: 0;
    z-index: 9999;
}

footer {
    width: 100%;
    height: 60px;
    text-align: center;
    background-color: #000000;
    color: #fff;
    font-size: 13px;
    line-height: 1.5;
    padding: 10px 0 10px 0;
    margin-bottom: 60px;
}

footer a {
    color: #fff;
}

header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 64px;
    background: #2638c4;
    z-index: 99;
    margin: 0;
}

nav {
    width: 80%;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav h1 {
    width: 200px;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.menu {
    display: flex;
}

.menu li {
    margin: 0 20px;
}

.menu li a {
    color: #fff;
}

.searchBar {
    width: 20%;
    display: flex;
    align-items: center;
}

.searchBar input {
    width: 90%;
    height: 40px;
    border-radius: 5px 0 0 5px;
    font-size: 20px;
    text-indent: 10px;
}

.menu-btn,
.search-btn0 {
    width: 40px;
    display: none;
    cursor: pointer;
}

.search-btn1 {
    width: 40px;
    height: 40px;
    border: 1px solid #fff;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
}

.img-box {
    position: relative;
}

.img-box::before {
    content: '';
    display: block;
}

.img-box>img {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

@media (max-width:999px) {

    nav {
        width: 100%;
        padding: 0 20px;
    }

    .menu-btn,
    .search-btn0 {
        display: block;
    }

    .menu {
        width: 100%;
        height: 100vh;
        background: #2638c4;
        top: 0;
        transform: translateY(-100%);
        position: absolute;
        flex-direction: column;
        padding: 20px 0;
        transition: 0.5s;
        left: 0;
        margin: 0;
        z-index: 9;
    }

    .menu li {
        width: 90%;
        text-align: center;
        margin: 10px auto;
        padding: 5px 20px;
        border-bottom: 2px dashed rgb(255, 255, 255);
    }

    .searchBar {
        width: 100%;
        height: 100vh;
        background: #2638c4;
        position: absolute;
        align-items: start;
        padding: 20px 20px;
        top: 0%;
        transform: translateY(-100%);
        left: 0;
        z-index: 10;
        transition: 0.5s;
    }
}