* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 导航栏 */
nav{
    position: fixed !important;
    z-index: 999;
    width: 100%;
}
.bg-dark{
    background-color: rgba(87, 84, 84,.4) !important;
}
.logo{
    width: 220px;
    margin-left: 60px;
}
#navbarContent{
    padding-left: 200px;
}
#navbarContent li{
    padding: 0 50px;
    font-size: 1.5rem;
}
#navbarContent li:first-child{
    margin-left: 0px;
}
.nav-item{
    border-bottom: 3px solid rgb(205, 202, 199);
}

/* 底部 */
.footed{
    display: flex;
    border-top: 2px solid gainsboro;
    align-items: center;
}
.footed div:nth-child(1){
    flex: 1;
    padding: 30px;
}
.footed div:nth-child(2){
    flex: 1;
    padding: 30px;
}
.footed div:nth-child(3){
    flex: 3;
    padding: 30px;
}
.footed div:nth-child(4) {
    flex: 1;
}

ul{
    list-style: none;
}
.sizeF{
    font-size: 1.2em;
    font-weight: bold;
}
.footed ul li{
    padding: 10px;
}
.footed ul li:nth-child(n+2){
    color: #8c8d8f;
}
.footed ul li:nth-child(n+2):hover{
    cursor: pointer;
    color: #000;
    transform: scale(1.1);
}
.footP{
    margin-left: 40px;
    padding-bottom: 20px;
    color: #8c8d8f;
}

/* 手机屏幕 */
@media (max-width:768px) {
    .carousel-control-prev-icon,.carousel-control-next-icon{
        display: none;
    }
    .logo{
        width: 150px;
        margin: 0;
    }
    #navbarContent,#navbarContent li{
        padding: 0;
        font-size: 1.2rem;
    }
    
    /* 公益行动 */
    .action{
        height: 400px;
    }
    .action h2{
        font-size: 1.5rem;
        margin: 0 auto;
        width: 100px;
    }

    /* 最新动态 */
    .new_item{
        flex-direction: column;
    }

    /* 底部信息 */
    .footed{
        flex-direction: column;
        text-align: center;
    }
    .footed img{
        width: 80%;
    }
}