.w1 {
    padding-top: 355px;
    padding-bottom: 100px;
    max-height: 3661px;
    background: url(20250508-b.png) no-repeat center 0;
}
.w1 .mc {
    width: 1251px;
    margin: 0 auto;
    padding: 20px 0;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}
.sl {
    position: relative;
}
.sl .s {
    position: absolute;
    top: 0;
    left: 5%;
    width: 80%;
    height: 50px;
}
.sl .s span {
    height: 100%;
    display: block;
    float: left;
    cursor: pointer;
}

.sl2 p {
    width: 1145px;
    border: 2px dashed #7096f0;
    margin: 30px auto 0;
    padding: 20px;
    font-size: 18px;
    line-height: 32px;
    position: relative;
}
.sl2 p::after {
    content: '';
    width: 22px;
    height: 17px;
    background: url(dot.png) no-repeat 0 0;
    position: absolute;
    left: 50px;
    top: -19px;
}
.sl2 .c {
    margin-top: 20px;
}
.sl2 .c p {
    display: none;
}
.sl2 .c:first-of-type p {
    display: block;
}
.sl2 .c img {
    cursor: pointer;
}