body {
    box-sizing: border-box;
    background-color: black;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    overflow-x: hidden;
    /* 隐藏水平滚动条 */

}

.mainPhoto {
    width: 100vw;
}

.communicationbody {
    background-color: black;
}

.text {
    display: flex;
    /* height: 2000px; */
    padding: 50px 0;
}

.left {
    width: 30%;
    /* background-color: rgb(99, 67, 173); */
}

.right {
    width: 70%;
    /* background-color: rgb(128, 143, 139); */
}

a {
    text-decoration: none;
    color: aliceblue;
}

.space {
    height: 100px;

}


.sdgcontent {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    border-color: aliceblue;
    border: 2px solid white;
    border-radius: 10px;
    margin: 50px 20px 0 10px;
    padding: 25px 30px;
}

.part1content {
    font-size: 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 5px 0 5px 30px;
}

.part1 {
    margin: 2px 0;
}

.contentTitle {
    font-size: 16px;
    font-weight: bold;
    margin: 4px 0;
}

.introduction {
    margin: 150px 50px 100px 70px;
    color: rgb(206, 205, 205);
    scroll-behavior: smooth;
}

.title1 {
    color: aliceblue;
    font-size: 30px;
    margin: 20px 0;
}

.details {
    margin: 20px;
}

.subtitle {
    color: aliceblue;
    font-size: 18px;
    margin: 20px 5px;
}

.imgdetails {
    width: 100%;
    ;
    margin: 10px;
}

a:hover {
    color: rgb(146, 146, 255);
}

* {
    scroll-behavior: smooth;
    scroll-behavior: smooth;
}

#Q {
    color: rgb(177, 150, 31);
}

.link {
    color: rgb(62, 212, 212);
    font-weight: bold;
}

#referenceTitle {
    margin-top: 100px;
    color: rgb(126, 126, 197);
}

#reference {
    color: rgb(132, 132, 197);
}

#reference a {
    /* text-decoration: none; */
    color: rgb(132, 132, 197);
}

#reference a:hover {
    text-decoration: none;
    color: rgb(2, 2, 255);
}