* {
    padding: 0;
    margin: 0;
}

html {
    font-family: PingFangSC-Semibold, PingFang SC;
    font-size: 65%;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 9rem;
    padding: 0 2.5rem;
}

.main {
    overflow: hidden;
    background: url(./images/bg.png) no-repeat;
}

.v-middle {
    vertical-align: middle;
}

.logo-box {
    margin-top: 3rem;
    font-size: 22px;
    font-weight: 600;
    color: #fff;
}

.agreement-btn+.agreement-btn {
    margin-left: 2.8125rem;
}

.agreement-btn {
    display: inline-block;
    font-size: 24px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #000000;
    line-height: 3.125rem;
    padding: 0 2.5rem;
    text-decoration: none;
}

.big-img {
    padding: 0 1.25rem;
    margin-top: 4.375rem;
    margin-bottom: 5.3125rem;
}

.big-img>img {
    width: 100%;
}

.question {
    font-size: 36px;
    font-family: Arial-Black, Arial;
    font-weight: 900;
    color: #000000;
    line-height: 51px;
    padding-left: 3.75rem;
    margin-bottom: 6.25rem;
}

.question img {
    margin-right: 20px;
}

.answer {
    width: 100%;
    margin-top: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.answer .bottom {
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    margin-top: 6rem;
    font-size: 3rem;
    color: #fff;
}

.answer .buttom {
    background: #FFF;
    text-align: center;
    width: 60rem;
    margin-top: 15rem;
    height: 13.2rem;
    line-height: 13.2rem;
    border-radius: 50px;
    font-size: 4.2rem;
    color: #0045FF;
}

.answer .picture img {
    padding-top: 5%;
}

.answer .leftwords {
    margin-left: 6rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: column;
}

.answer .leftwords h1 {
    margin-top: -20rem;
    font-size: 5rem;
    color: #FFFFFF;
}

.answers {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10rem;
}

.answers .left {
    padding-left: 5%;
}

.answers .answersright div {
    font-size: 3.2rem;
    color: #000000;
}

.answers .answersright {
    display: flex;
    margin: -4rem 0;
    flex-direction: column;
    justify-content: flex-start;
}

.answers .answersright .introduce {
    margin-top: 4rem;
}

.moddle {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.moddle .moddle_picture {
    margin: 5rem;
    display: flex;
}

.moddle .moddle_picture div {
    padding-left: 4rem;
    position: relative
}

.moddle .moddle_picture .relati {
    position: absolute;
    top: 5rem;
    left: 3%;
    text-align: center;
    font-size: 4rem;
}

.mainbottom {
    margin-top: 3.8rem;
    height: 14rem;
    font-size: 3.2rem;
    text-align: center;
    line-height: 7rem;
    color: #000000;
}

@media screen and (max-width: 1388px) {
    .answer .leftwords h1 {
        font-size: 3rem;
    }

    .answer .picture img {
        width: 90%;
    }

    .answer .leftwords {
        margin-top: 20rem;
        margin-left: 0;
    }

    .answer .buttom {
        text-align: center;
        width: 56.3rem;
        height: 7.3rem;
        line-height: 7.3rem;
        border-radius: 50px;
        font-size: 2.3rem;

    }

    .answer .bottom {
        font-size: 2.3rem;
        width: 50rem;
    }

    .answers .answersright h1 {
        font-size: 3.2rem;
    }

    .answers .answersright span {
        font-size: 2.1rem;
    }

    .answers .answersright div {
        font-size: 2.1rem;
    }

    .answers img {
        width: 464px;
        height: 100%;
    }

    .moddle .moddle_picture {
        margin: 5rem;
        display: flex;
        justify-content: center;
        flex-direction: column;
    }

    .answers {
        margin-top: 45rem;
    }

    .answers img {
        width: 30rem;
    }

    .moddle div img {
        width: 100%;
    }

    .mainbottom {
        font-size: 2rem;
        line-height: 3rem;
    }
}

@media screen and (max-width: 900px) {
    .answer .buttom {
        width: 30rem;
        font-size: 3rem;
    }

    .answer .bottom {
        font-size: 2rem;
    }
}

@media screen and (max-width: 600px) {
    header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 9rem;
        margin-top: 3rem;
        padding: 0 2.5rem;
    }

    .answer .leftwords h1 {
        font-size: 2rem;
    }

    .answer {
        width: 100%;
        margin-top: 3rem;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .answer .bottom {
        display: flex;
        width: 300px;
        justify-content: flex-start;
        flex-direction: column;
        margin-top: 6rem;
        font-size: 2rem;
        color: #fff;
    }

    .answer .buttom {
        background: #FFF;
        text-align: center;
        width: 20rem;
        margin-top: 15rem;
        height: 7.2rem;
        line-height: 7.2rem;
        border-radius: 30px;
        font-size: 2.2rem;
        color: #0045FF;
    }

    .answer .picture img {
        width: 130%;
    }

    .answer .leftwords {
        margin-left: 0;
        width: 300px;
        margin-top: 10rem;
        display: flex;
        justify-content: space-around;
        align-items: center;
        flex-direction: column;
    }

    .answer .leftwords h1 {
        margin-top: 5rem;
        font-size: 2rem;
        color: #FFFFFF;
    }

    .answers {
        margin-top: 30rem;
    }

    .answers .answersright {

        background-size: 100% 100%;
    }

    .answers .answersright h1 {
        font-size: 1.7rem;
    }

    .answers .answersright span {
        font-size: 1.5rem;
    }

    .answers .answersright div {
        font-size: 1.5rem;
    }

    .answers img {
        width: 15rem;
    }

    .moddle {
        margin-top: 5rem;
    }

    .moddle div img {
        width: 100%;
    }

    .moddle .moddle_picture div {
        padding-left: 4rem;
        position: relative
    }

    .moddle .moddle_picture {
        margin: 5rem;
        display: flex;
        justify-content: center;
        flex-direction: column;
    }

    .moddle .moddle_picture .relati {
        position: absolute;
        top: 5rem;
        left: 3%;
        text-align: center;
        font-size: 2rem;
    }

    .mainbottom {
        font-size: 2rem;
        line-height: 3rem;
    }
}