.difficulty {
    width: 70%;
    padding: 5% 15%;
    background-color: #f5f5f5;
}
.difficulty > .title, .news-questions > .title, .reserve > .title {
    text-align: center;
    /* font-size: 14px; */
}

.difficulty > .title h2, .news-questions > .title h2, .reserve > .title h2 {
    /* font-size: 26px; */
    margin-bottom: 10px;
    color: #000;
}
.difficulty .difficulty-ul {
    display: flex;
    flex-wrap: wrap;
    margin-top: 30px;
}

.difficulty .difficulty-ul li {
    width: 25%;
    margin: 2% 0 1% 0; 
    text-align: center;
}
.difficulty li:nth-of-type(4n) {
    margin-right: 0;
}
.difficulty .difficulty-ul li .difficulty-item {
    width: 100px;
    height: 100px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    /* background: linear-gradient(24deg, #dcebfc, #f5f8fb); */
    background-color: #DCEBFC;
}

.difficulty li div .difficulty-icon {
    width: 200px;
    height: 150px;
    overflow: hidden;
    position: relative;
    transform: scale(0.7);
}
.difficulty li div .difficulty-icon img {
    position: absolute;
    left: 0;
    top: 0;
}
.difficulty .difficulty-ul li p {
    margin-top: 20px;
    line-height: 20px;
    font-size: 12px;
}
.difficulty .difficulty1 {
    border-bottom: 2px solid #DADADA;
}
.difficulty .difficulty1 li:nth-of-type(1) img {
    left: -310px; 
    top: -90px;
}
.difficulty .difficulty1 li:nth-of-type(2) img {
    left: -310px; 
    top: 40px;
}
.difficulty .difficulty1 li:nth-of-type(3) img {
    left: -318px; 
    top: -210px;
}
.difficulty .difficulty1 li:nth-of-type(4) img {
    left: -156px; 
    top: -210px;
}
.difficulty .difficulty2 li:nth-of-type(1) img {
    left: -5px; 
    top: -210px;
}
.difficulty .difficulty2 li:nth-of-type(2) img {
    left: -614px; 
    top: -90px;
}
.difficulty .difficulty2 li:nth-of-type(3) img {
    left: -452px; 
    top: 40px;
}
.difficulty .difficulty2 li:nth-of-type(4) img {
    left: -605px; 
    top: 40px;
}

.reserve {
    width: 100%;
    padding: 5% 0;
    text-align: center;
}
.reserve > .title p {
    line-height: 20px;
}

label {
    display: inline-block;
    max-width: 100%;
    margin-bottom: 0;
    font-weight: 400;
}
.reserve .content-box {
    margin-top: 4%;
}

.reserve .content-box div {
    /* font-size: 0; */
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.reserve .content-box label, .reserve .content-box button, .reserve .content-box input {
    line-height: 40px;
    border: 1px solid #EDEDED;
}
.reserve .content-box label {
    width: 100px;
}
.reserve .content-box input {
    width: 250px;
    padding: 0;
}
.reserve .content-box button {
    width: 352px;
    background-color: #00F0FF;
}
@media (min-width: 1600px){
    .difficulty .difficulty-ul li p {
        font-size: 14px;
    }
    .reserve > .title p {
        line-height: 30px;
    }
    .reserve .content-box button {
        width: 382px;
        background-color: #00F0FF;
    }
    .reserve .content-box label {
        width: 130px;
    }
}