* {
    font-family: cursive, Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    
}

/* Header Start */
header {
    background: rgba(34, 34, 34, 0.6);
    height: 90px;

    text-align: center;
}

header nav {
    padding: 30px;
    padding-bottom: 0;
}
header nav ul {
    margin: 0;
    padding: 0;

}
header nav ul li {
    list-style-type: none;
    display: inline-block;

    margin-right: 5px;
}

/*
@media screen and (max-width:700px) {
    header {
        height: 280px;
        text-align: justify;
    }
    header nav {
        padding: 20px;
    }
    header nav ul li {
        text-align: center;

        list-style-type: none;
        display: flex;
        flex-direction: column;

        margin-bottom: 10px;
    }
}
*/
header nav ul li a {
    text-decoration: none;

    font-size: 20px;
    font-weight: 800; /* normal size 400 */
    color: rgb(195,195,195);
    background-color: ;

    padding: 5px 15px;
    border-radius: 20px;

    border: 2px solid rgb(195,195,195);
}
header nav ul li a:hover {
    color: #004198;
    font-weight: 800;
    background-color: white;
    border: 2px solid #004198;
}
header nav ul .logo {
    background: white;
    
    border-radius: 20px;
    border: 2px solid #004198;

    background-image: url("../photos/logos/bolon-db.svg");
    background-repeat: no-repeat;
    background-position: 16px -45px;

    display: inline-block;
    width: 150px;

    text-indent: -999999px;

    padding: 5px;

}
@media screen and (max-width:700px) {
    header {
        height: 280px;
        text-align: justify;

        background-image: url(../photos/womanChi.jpg);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: 0 -60px;
        
    }
    header nav {
        padding: 20px;
    }
    header nav ul li {
        display: flex;
        flex-wrap: wrap;

        margin-bottom: 10px;
    }
    header nav ul li a {
        background: rgba(255,255,255,0.2);
        border: 2px solid #004198;
        color:  #004198
    }
    header nav ul li a:hover {
        background: #004198;
        border: 2px solid #004198;
        color:  white;
    }

    
}
/* Header End */
/* 附加的css */
header nav ul li:nth-child(4) a {
    border: 2px solid #004198;
    color: #004198;
}
/* 附加的css结束 */

/* section start */
.figures::before {
    content: "";
    clear: both;
    display: block;
}
#bg-img {
    position: absolute;
    top: 0;
    z-index: -100;

    width: 100%;
    height: 100%;
}
@media screen and (max-width:700px) {
    #bg-img {
        display: none;
    }
}

.figures {

    /* border: 1px solid black; */

    display: flex;
    flex-direction: row;
}

.figures .smblock {
    /* float: left; */

    width: 300px;
    height: 300px;

    padding: 15px;
    margin: 30px auto;

    border: 2px solid black;
    border-radius: 10px;

    background-color: rgba(195,195,195,0.4);

    box-shadow: black 2px 2px 5px;
}
@media screen and (max-width:700px) {
    .figures {
        margin: 0;
        display: block;
    }
    .figures .smblock {
        float: left;
        margin: 20px auto 20px 20px;
    }
}
.figures .smblock a {
    text-decoration: none;
    
    color: black;
    
}
.figures .smblock a img {
    width: 300px;
    height: 250px;
}
.figures .smblock a figcaption .caption {
    text-align: center;

    font-size: 24px;
    line-height: 24px;

    padding: 5px;
}
.figures .smblock a figcaption .date {
    text-align: right;
    /* padding: 5px; */

    font-size: 16px;
    line-height: 16px;
}

section .smblock a:hover,
section .smblock:hover {
    color: #004198;
    border-color: #004198;
}
.smblock img {
    width: 300px;
}
/* section end */