/* 超小屏幕（手机，小于 768px）

/* 小屏幕（平板，大于等于 768px） */

/* 中等屏幕（桌面显示器，大于等于 992px） */

/* 大屏幕（大桌面显示器，大于等于 1200px） */
.navigation {
    width: 100%;
    border-bottom: 1px solid #f1f0f0;
}
.navigation > div {
    height: 80px;
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}
.navigation > div > img {
    height: auto;
    width: 220px;
}

.intro > div {
    height: 402px;
    width: 1200px;
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-wrap: wrap;
}
.intro > div > img:nth-of-type(1) {
    height: 196px;
    width: 196px;
    position: absolute;
    left: 124px;
    top: 62px;
}
.intro > div > img:nth-of-type(2) {
    height: 130px;
    width: 130px;
    position: absolute;
    right: 86px;
    top: 229px;
}
.intro > div > p {
    width: 100%;
    text-align: center;
}
.intro > div > p:nth-of-type(1) {
    margin-top: 126px;
    font-size: 40px;
    font-weight: bold;
    color: #1b1b1b;
    height: 40px;
    line-height: 40px;
    letter-spacing: 8px;
}
.intro > div > p:nth-of-type(2) {
    font-size: 22px;
    height: 22px;
    line-height: 22px;
    color: #333333;
    margin-top: 30px;
    letter-spacing: 6px;
    font-weight: 300;
}
.intro > div > p:nth-of-type(3) {
    font-size: 22px;
    height: 22px;
    line-height: 22px;
    color: #666666;
    margin-top: 20px;
    letter-spacing: 5px;
    font-weight: 300;
}
.orangeText {
    color: #f05630;
}
.cardSection {
    background: #f7f8fa;
    padding: 100px 0;
}
.cardWrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    width: 370px;
    height: 360px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 20px 0px rgba(51, 51, 51, 0.03);
    border-radius: 12px;
}
.cardWrapper:nth-of-type(1) > img:nth-of-type(1) {
    width: 151px;
    height: 146px;
    margin-top: 50px;
    margin-bottom: 45px;
}
.cardWrapper:nth-of-type(2) > img:nth-of-type(1) {
    width: 151px;
    height: 146px;
    margin-top: 50px;
    margin-bottom: 45px;
}
.cardWrapper:nth-of-type(3) > img:nth-of-type(1) {
    width: 151px;
    height: 150px;
    margin-top: 50px;
    margin-bottom: 41px;
}
.cardWrapper > p:nth-of-type(1) {
    font-size: 24px;
    height: 24px;
    line-height: 24px;
    color: #f05630;
    font-weight: bold;
}
.cardWrapper > p:nth-of-type(2) {
    font-size: 16px;
    height: 16px;
    line-height: 16px;
    color: rgba(102, 102, 102, 1);
    margin-top: 20px;
}
.cardWrapper > p:nth-of-type(3),
.cardWrapper > p:nth-of-type(4) {
    font-size: 16px;
    color: #8d8d8d;
    height: 16px;
    line-height: 16px;
    font-weight: 300;
}
.cardWrapper > p:nth-of-type(3) {
    margin-top: 65px;
}
.cardWrapper > p:nth-of-type(4) {
    margin-top: 16px;
}
.cardSection > div {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cardWrapper > img:nth-of-type(2) {
    width: 393px;
    height: 480px;
    position: absolute;
    left: -12px;
    top: -10px;
    opacity: 0;
    transition: 0.5s;
}
footer {
    min-width: 1200px;
    text-align: center;
    height: 100px;
    line-height: 100px;
    font-size: 14px;
    color: #666666;
    font-weight: 400;
}

.cardWrapperDiv {
    width: 393px;
    height: 380px;
    background: linear-gradient(
        0deg,
        rgba(133, 117, 250, 1) 0%,
        rgba(94, 73, 245, 1) 100%
    );
    box-shadow: 0px 0px 20px 0px rgba(51, 51, 51, 0.03);
    border-radius: 12px;
    transition: 0.5s;
    opacity: 0;
    position: absolute;
    left: -12px;
    top: -10px;
    cursor: pointer;
}
.cardWrapperDiv a {
    text-decoration: none;
}
.cardWrapperDiv img {
    display: block;
    width: 161px;
    height: 161px;
    margin: 57px auto 40px;
}
.cardWrapperDiv p:nth-of-type(1) {
    height: 24px;
    font-size: 24px;
    font-weight: bold;
    color: rgba(255, 255, 255, 1);
    line-height: 24px;
    text-align: center;
}
.cardWrapperDiv p:nth-of-type(2) {
    margin-top: 18px;
    height: 18px;
    font-size: 16px;
    color: rgba(255, 255, 255, 1);
    line-height: 18px;
    text-align: center;
}