.top {
    width: 100%;
    background-color: var(--light);
}

.top-wrap {
    width: 1200px;
    margin: 0 auto;
}

.top-left {
    flex: 1;
}

.top-title {
    margin-top: 125px;
}

.top-desc {
    width: 94%;
    margin-top: 40px;
    font-size: 24px;
    line-height: 36px;
}

.top-image {
    margin: 100px 17px 0 0;
}

.example {
    width: 100%;
}

.example-wrap {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 88px 0;
}

.example-title {
    margin-bottom: 72px;
}

.examples {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}

.example-list {
    width: 540px;
}

.example-item {
    width: 100%;
    box-sizing: border-box;
    padding: 24px 32px;
    margin: 4px 0;
}

.example-item2 {
    width: 100%;
    box-sizing: border-box;
    padding: 24px 32px;
    margin: 4px 0;
}

.example-name {
    font-size: 30px;
}

.example-desc {
    color: var(--black75);
    margin-top: 16px;
    line-height: 30px;
}

.example-active {
    background-color: var(--white);
    box-shadow: 0px 4px 16px 0px rgba(0,0,0,0.16);
}

.example-active .example-name {
    color: var(--main);
}

.example-item:hover {
    cursor: pointer;
    background-color: var(--white);
    box-shadow: 0px 4px 16px 0px rgba(0,0,0,0.16);
}

.example-item:hover .example-name {
    color: var(--main);
}

.featrue {
    width: 100%;
}

.feature-wrap {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 88px 0;
}

.features {
    width: 100%;
    margin-top: 72px;
}

.feature-row {
    width: 100%;
    margin: 8px 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.feature-item {
    width: 380px;
    height: 300px;
    background: var(--white);
    box-shadow: 0px 4px 16px 0px rgba(0,0,0,0.16);
    border-radius: 16px 16px 16px 16px;
    margin: 8px;
    box-sizing: border-box;
    padding: 50px 50px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-name {
    font-size: 30px;
    margin: 16px 0 8px;
}

.feature-desc {
    line-height: 30px;
    word-break: break-all;
}

.scene {
    width: 100%;
}

.scene-wrap {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 88px 0;
}

.scenes {
    width: 100%;
    margin-top: 72px;
}

.scene-row {
    width: 100%;
    margin: 0 0 32px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.scene-item {
    width: 223px;
    height: 140px;
    box-sizing: border-box;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
}

.scene-name {
    font-size: 30px;
    margin-top: 16px;
}

.advantage {
    width: 100%;
}

.advantage-wrap {
    width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 88px 0;
}

.advantages {
    width: 100%;
    margin-top: 72px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.advantage-item {
    width: 280px;
    height: 240px;
    background: var(--light);
    border-top: 2px solid var(--main);
    box-sizing: border-box;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 8px 8px;
}

.advantage-name {
    font-size: 30px;
}

.advantage-desc {
    color: var(--black75);
    line-height: 30px;
    margin-top: 24px;
}

@media all and (max-width: 750px) {
    .top-wrap {
        width: 96%;
        flex-direction: column;
    }

    .top-desc {
        width: 100%;
    }

    .top-image {
        width: 100%;
    }

    .example-wrap {
        width: 96%;
    }

    .examples {
        flex-direction: column;
    }

    .example-list {
        width: 100%;
    }

    .example-image {
        max-width: 100%;
        margin-top: 20px;
    }

    .feature-wrap {
        width: 96%;
    }

    .feature-row {
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .scene-wrap {
        width: 96%;
    }

    .scene-row {
        flex-direction: column;
    }

    .advantage-wrap {
        width: 96%;
    }

    .advantages {
        flex-direction: column;
    }
}