* {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 20px;
}

/*region导航*/
body {
    min-height: 400vh;
}

header {
    position: sticky;
    top: 0;
    z-index: 100;

}

.nav-container .container {
    height: 80px;
    background-image: radial-gradient(ellipse at left, rgba(88, 159, 125), rgba(88, 159, 125), rgba(88, 159, 125));

}

.menu-active1 {
    display: flex;
    margin-right: 25px;
    margin-top: 20px;
}

.logo .brand {
    position: absolute;
    margin: 15px 100px;
}

.menu-list {
    border-radius: 10px;
    width: 200px;
    height: 40px;
    text-align: center;
    line-height: 34px;
    transition: 3s;
    cursor: pointer;

}

.menu-list:hover {
    background-color: #589F7D;

}

.menu-list li:hover {
    background-color: #6fd3a3;;
}

.menu-list li {
    height: 0;
    transition: 1s;
    opacity: 0;
    transform: translateY(-36px);
    background-color: #589F7D;
}

.menu-list li:last-child {
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    padding-bottom: 5px;
}

.menu-list:hover li {
    height: 34px;
    opacity: 1;
    transform: translateY(0);
}

header .mobile-menu {
    display: none;
}

#back-to-top-button {
    display: none;
    /* 默认情况下隐藏图片 */
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    cursor: pointer;
}


/*endregion导航*/


.infobox {
    display: flex;
    padding: 20px;
    background-color: #E2F0E8;
    overflow: hidden;
}

.infobox .info-item {
    flex: 1;
    margin-right: 20px;
    text-align: center;
}

.infobox .info-item:nth-child(3) {
    margin-right: 0;
}

.infobox .info-item .infomation {
    border-radius: 30px;
    padding: 20px;
    text-align: center;
}

.infobox .info-item .infomation p {
    height:160px;
}


footer {
    background-color: #589F7D;
}

.fbox {
    width: 1200px;
    margin: 0 auto;
    display: flex;
}

.fleft {
    flex: 30%;
}

.frihgt {
    flex: 70%;
}

.pics {
    display: flex;
}

.pitem {
    flex: 1;
    padding-left: 50px;
    margin: 20px 0;
}