/* section */
.section-row {
    height: 700px;
    border-radius: 10px;
    background-color: rgb(255,255,255);
}


.section-row h1 {
    text-align: center;
    font-size: 40px;
    margin-top: 80px;
    margin-bottom: 80px;
    font-weight: bold;
    color: rgb(0, 102, 255);
}

ul {
    text-align: center;
}

li {
    float: left;
}

li p {
    font-size: 30px;
    margin-bottom: 20px;
}

ul ul a{
    text-align: center;
    font-size: 18px;
}

li li {
    float: none;
    margin-left: 0px;
    width: 135px;
    margin-top: 15px;
    margin-bottom: 15px;
}

ul ul a:hover {
    font-weight: bold;
    color: rgb(0, 102, 255);
}


/* 适配手机 */
@media screen and (max-width: 768px) {

    /* section */
    .section-row {
        height: 500px;
        border-radius: 10px;
    }

    .section-row h1 {
        font-size: 36px;
        margin-top: 40px;
        margin-bottom: 20px;
    }

    .section-row h2 {
        margin-left: calc(50% - 150px);
        margin-top: 10px;
        margin-bottom: 10px;
        font-size: 16px;
    }

    .section-row p {
        font-size: 15px;
        margin-left: calc(50% - 100px);
        margin-top: 10px;
        margin-bottom: 10px;
    }
}


@media screen and (max-width: 320px) {
    .section-row h1 {
        font-size: 32px;
    }

    .section-row h2 {
        margin-left: 10px;
        font-size: 14px;
    }
}