* {
    margin: 0;
    padding: 0;
}

.wrap {
    width: 1400px;
    margin: 0 auto;
}


.flex {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    display: -webkit-flex;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

body {
    color: #333333;
    font-family: SourceHanSansCN-Regular;
}

.section {
    -webkit-transition: all 750ms;
    -o-transition: all 750ms;
    -moz-transition: all 750ms;
    transition: all 750ms;
    -webkit-transform: translateY(100px);
    -moz-transform: translateY(100px);
    -ms-transform: translateY(100px);
    -o-transform: translateY(100px);
    transform: translateY(100px);
    opacity: 0;
}

.run {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
    opacity: 1;
}

/* banner */
.banner>img {
    width: 100%;
    display: block;
}

.statistics-box {
    text-align: center;
}

.statistics {
    position: absolute;
    bottom: 45px;
    left: calc(50% - 700px);
    padding: 26px 158px 13px;
    box-sizing: border-box;
    border-radius: 4px;
    border: solid 1px #ffffff;
    background-color: rgba(255, 255, 255, 0.5);

}

.num {
    font-size: 26px;
    color: #213251;
    margin-top: 10px;
    line-height: 24px;
}

.type {
    max-width: 216px;
    word-wrap: break-word;
    font-size: 18px;
    color: #213251;
    margin: 0 auto;
    margin-top: 6px;
    line-height: 20px;
}

/* 第一块 */
.section1 {
    margin-top: 84px;
    padding-bottom: 106px;
}

.section1-left {
    padding-left: 61px;
    padding-top: 97px;
}

.section-1-right img {
    margin-right: -107px;
    transition: 0.5s;
}

.section-1-right img:hover {
    transform: scale(1.02);
}

.title {
    font-size: 30px;
    font-weight: 700;
}

.line {
    margin-top: 19px;
    width: 73px;
    height: 3px;
    background-color: #0077c8;
}

.text {
    font-size: 17px;
    display: flex;
    align-items: baseline;
}

.seo-text span {
    margin-right: 20px;
    display: inline-block;
    border-radius: 50%;
    min-width: 11px;
    height: 11px;
    background-color: #ff8f1c;
}

.seo-text {
    line-height: 45px;
    width: 482px;
}

.seo-text-1 {
    margin-top: 45px;
}

.seo-text-2 {
    margin-top: 27px;
}

.seo-text-3 {
    margin-top: 7px;
    line-height: 54px;
}

.data-source {
    width: 482px;
    text-align: right;
    font-size: 14px;
    color: #888888;
    padding-right: 7px;
    box-sizing: border-box;
    margin-top: 17px;
}

.section2 {
    background-image: url(../img/back1.png);
    background-size: cover;
    padding-top: 74px;
    padding-bottom: 71px;
}

.section2 .title {
    text-align: center;
    color: #ffffff;
}

.section2 .line {
    margin: 0 auto;
    margin-top: 20px;
    background-color: #ffffff;
}

.strategy-box {
    width: 307px;
    height: 155px;
    border-radius: 14px;
    border: solid 1px rgba(255, 255, 255, 0.81);
    background-color: rgba(137, 200, 255, 0.05);
    box-shadow: inset 0px 0px 10px 2px rgba(255, 255, 255, 0.5);
    padding: 20px 17px;
    box-sizing: border-box;
    margin-bottom: 62px;
    transition: 0.5s;
}

.strategy-box:hover .icon-box {
    background-color: #2a8bd0;
    color: #ffffff;
}

.strategy-box:hover {
    background-color: #cce1f3;
    border: 1px solid #cce1f3;
}

.strategy-box:hover .strategy-text {
    color: #333333;
}

.section2 .flex {
    margin-top: 44px;
}

.icon-box {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background-color: #ffffff;
    border-radius: 50%;
    color: #0077c8;
    font-size: 34px !important;
}

.strategy-text {
    font-size: 18px;
    color: #ffffff;
    line-height: 35px;
    margin-top: 3px;
}

.seo-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 257px;
    height: 45px;
    background-color: #ff8f1c;
    border-radius: 23px;
    border: 2px solid #ff8f1c;
    font-size: 20px;
    color: #ffffff;
    cursor: pointer;
    margin: 0 auto;
    transition: 0.5s;
    box-sizing: border-box;
    margin-top: 9px;
}

.seo-btn:hover {
    background-color: rgba(0, 0, 0, 0);
    color: #ff8f1c;
}

/* 第三块 */
.section3 {
    padding-top: 98px;
    padding-bottom: 160px;
}

.section3 .title {
    text-align: center;
}

.section3 .line {
    margin: 0 auto;
    margin-top: 19px;
}

.section3-box {
    width: 263px;
    height: 460px;
    box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.14);
    border: 1px solid #efefef;
    border-radius: 11px;
    box-sizing: border-box;
}

.back2 {
    font-size: 21px;
    font-weight: 700;
    color: #fffefe;
    background: url(../img/back2.png) no-repeat;
    background-size: 100% 100%;
    text-align: center;
    overflow: hidden;
    padding: 52px 0 51.5px;
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.14);
}

.optimize {
    font-size: 18px;
    position: relative;
    line-height: 30px;
    margin-bottom: 16.7px;
}

.optimize2 {
    margin-bottom: 20.3px;
}

.optimize3 {
    margin-bottom: 22.5px;
}

.optimize::after {
    content: "";
    width: 7px;
    height: 7px;
    background-color: #ff8f1c;
    border-radius: 50%;
    display: block;
    position: absolute;
    left: -20px;
    top: 10px;
}

.optimize-box {
    padding-top: 40px;
    padding-left: 40px;
    padding-right: 10px;
}

.optimize-line {
    line-height: 33px;
}

.optimize-line::after {
    top: 12px;
}

.optimize-box-padding {
    padding-right: 7px;
}

.section3 .flex {
    margin-top: 65px;
}

.section4 {
    padding-top: 107px;
    background: url(../img/back3.png) no-repeat;
    padding-bottom: 135px;
}

.section4 .flex {
    justify-content: center;
}

.center-box {
    margin: 0 124px;
}

.section4 .title {
    color: #ffffff;
    text-align: center;
}

.section4 .line {
    height: 5px;
    width: 115px;
    background-color: #f5a711;
    margin: 0 auto;
    margin-top: 21px;
}

.title2 {
    margin-top: 20px;
}

.seo-img img {
    transition: 0.5s;
}

.seo-img img:hover {
    transform: scale(1.1);
}

.section4-box {
    width: 336px;
    height: 442px;
    background-color: #ffffff;
    box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.1);
    border-radius: 33px;
    text-align: center;
    transition: 0.5s;
}

.section4-box:hover {
    transform: translate(0, -30px);
}

.seo-img {
    margin: 0 auto;
    margin-top: 59px;
    width: 132px;
    height: 132px;
    background-color: #0077c8;
    border-radius: 50%;
    padding-top: 35px;
    box-sizing: border-box;
}

.little-title {
    font-size: 24px;
    font-weight: 700;
    margin-top: 28px;
    margin-bottom: 18px;
}

.little-text {
    font-size: 18px;
    color: #666666;
    margin-bottom: 6px;
}

.section4 .wrap {
    margin-top: 96px;
    box-sizing: border-box;
    padding-left: 107px;
    padding-right: 36px;
}

.flex2 {
    margin-top: 50px;
    display: flex;
    box-sizing: border-box;
    justify-content: center;
    flex-wrap: wrap;
}

.flex2>div:first-child {
    margin-right: 124px;
}

.seo-img-2 {
    padding-top: 30px;
}

.seo-img-3 {
    padding-top: 25px;
}

.little-title2 {
    margin-top: 0px;
    margin-bottom: 13px;
}

.little-title1 {
    margin-bottom: 5px;
}

.section5 {
    height: 605px;
    background: url(../img/back4.png) no-repeat;
    padding-top: 93px;
    box-sizing: border-box;
    background-size: cover;
}

.section5 .title {
    text-align: center;
}

.section5 .line {
    margin: 20px auto 10px;
}

.phone {
    color: #ff8f1c;
}

.input-field {
    margin-bottom: 30px;
}

.input-field>input {
    width: 591px;
    height: 48px;
    background-color: #ffffff;
    border-radius: 4px;
    outline: none;
    border: none;
    padding-left: 50px;
    font-size: 16px;
    box-sizing: border-box;
    padding-right: 15px;
}

.input-field textarea {
    font-size: 16px;
    padding-top: 16px;
    padding-right: 15px;
    resize: none;
    height: 129px;
    width: 591px;
    outline: none;
    box-sizing: border-box;
    border: none;
    padding-left: 50px;

}

.code-input {
    width: 206px;
    height: 48px;
    background-color: #ffffff;
    border-radius: 4px;
    border: none;
    outline: none;
    padding-left: 50px;
    font-size: 16px;
    padding-left: 13px;
    padding-right: 15px;
}

.input-field {
    position: relative;
}

.icon-img {
    position: absolute;
}

.icon-img1 {
    top: 9px;
    left: 15px;
}

.icon-img2 {
    top: 9px;
    left: 9px;
}

.icon-img3 {
    top: 10px;
    left: 12px;
}

.icon-img4 {
    top: 10px;
    left: 12px;
}

.code-img {
    width: 160px;
    height: 48px;
    background-color: #ffffff;
    border-radius: 4px;
}

.code-img img {
    width: 100%;
    height: 100%;
}

.sub-btn {
    width: 160px;
    height: 48px;
    background-color: #ff8f1c;
    border-radius: 4px;
    color: #ffffff;
    border: none;
    cursor: pointer;
    font-size: 20px;
    transition: 0.5s;
}

.sub-btn:hover {
    color: #ff8f1c;
    background-color: #ffffff;
    border: #ff8f1c 1px solid;
}

.section5 .wrap {
    margin-top: 57px;
    padding: 0 24px 40px 0;
    box-sizing: border-box;

}

.prompt {
    position: relative;
}

.prompt::before {
    content: "*";
    display: block;
    position: absolute;
    left: -25px;
    font-size: 30px;
    top: calc(50% - 15px);
    color: #ff8f1c;
}

.banner {
    position: relative;
}




@media only screen and (max-width: 1630px) {
    .section-1-right img {
        margin-right: 0px;
    }
}

@media only screen and (max-width: 1460px) {
    .statistics {
        left: calc(50% - 600px);
        padding: 25px 138px 16px;
        box-sizing: border-box;
        border-radius: 4px;
        border: solid 1px #ffffff;
        background-color: rgba(255, 255, 255, 0.5);

    }

    .num {
        font-size: 24px;
        color: #213251;
        margin-top: 12px;
        line-height: 20px;
    }

    .type {
        max-width: 170px;
        font-size: 16px;
        color: #213251;
        margin-top: 11px;
    }

    .center-box {
        margin: 0 100px;
    }

    .flex2>div:first-child {
        margin-right: 100px;
    }

    .wrap {
        width: 1200px;
    }

    .section-1-right img {
        width: 600px;
    }

    .section4 {
        padding-top: 87px;
    }

    .section1-left {
        padding-left: 0px;
        padding-top: 70px;
    }

    .section1 {
        margin-top: 70px;
    }

    .title {
        font-size: 28px;
    }

    .line {
        margin-top: 18px;
    }

    .seo-text-1 {
        margin-top: 40px;
    }

    .seo-text-2 {
        margin-top: 10px;
    }

    .text {
        font-size: 15px;
    }

    .seo-text {
        line-height: 40px;
        width: 425px;
    }

    .data-source {
        width: 425px;
    }

    /* 第二块 */
    .strategy-box {
        width: 290px;
        padding: 18px 15px;
        margin-bottom: 40px;
        height: auto;
    }

    .section2 .flex {
        margin-top: 39px;
    }

    .icon-box {
        width: 45px;
        height: 45px;
        font-size: 30px !important;
    }

    .strategy-text {
        font-size: 17px;
        line-height: 32px;
    }

    .seo-btn {
        font-size: 19px;
    }

    /* 第三块 */
    .section3 .flex {
        margin-top: 60px;
    }

    .section3 {
        padding-top: 90px;
        padding-bottom: 150px;
    }

    .section3-box {
        width: 230px;
        height: auto;
        padding-bottom: 30px;
    }

    .back2 {
        font-size: 20px;
        padding: 50px 0 45px;
    }

    .optimize-box {
        padding-top: 35px;
        padding-left: 35px;
    }

    .optimize {
        line-height: 28px;
        font-size: 15px;
        margin-bottom: 10px;
    }

    .optimize::after {
        width: 6px;
        height: 6px;
        top: 13px;
    }

    .optimize2 {
        margin-bottom: 10.3px;
    }

    /* 第四块 */
    .section4-box {
        width: 325px;
        height: auto;
        padding-bottom: 30px;
        background-color: #ffffff;
        box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.1);
        border-radius: 33px;
        text-align: center;
    }

    .seo-img {
        width: 120px;
        height: 120px;
    }

    .little-title {
        font-size: 22px;
    }

    .little-text {
        font-size: 16px;
    }

    .seo-img img {
        width: 60px;
    }

    .section4 .wrap {
        padding: 0;
    }

    /* 第五块 */
    .section5 .wrap {
        padding: 0;
    }

    .input-field>input {
        width: 550px;
        height: 43px;
        padding-left: 45px;
        font-size: 14px;
    }

    .input-field textarea {
        width: 550px;
        font-size: 14px;
        padding-top: 12px;
        resize: none;
        height: 110px;
        outline: none;
        box-sizing: border-box;
        border: none;
        padding-left: 45px;
    }

    .code-input {
        width: 206px;
        height: 43px;
        padding-left: 50px;
        font-size: 14px;
        padding-left: 13px;
    }

    .code-img {
        width: 150px;
        height: 43px;
        background-color: #ffffff;
    }

    .input-field {
        margin-bottom: 25px;
    }

    .section5 .wrap {
        margin-top: 55px;
    }

    .section5 {
        padding-top: 73px;
        height: auto;
        padding-bottom: 80px;
    }

    .sub-btn {
        width: 150px;
        height: 43px;
        background-color: #ff8f1c;
        font-size: 18px;
    }

    .icon-img {

        width: 20px;
    }

    .icon-img1 {
        width: 18px
    }

    .icon-img2 {
        top: 13px;
    }
}

@media only screen and (max-width: 1219px) {
    .statistics {
        bottom: 35px;
        left: calc(50% - 490px);
        padding: 25px 138px 16px;
        box-sizing: border-box;
        border-radius: 4px;
        border: solid 1px #ffffff;
        background-color: rgba(255, 255, 255, 0.5);

    }

    .img1 {
        width: 40px;
    }

    .img2 {
        width: 35px;
    }

    .img3 {
        width: 27px;
    }

    .img4 {
        width: 40px;
    }

    .num {
        font-size: 22px;
        color: #213251;
        margin-top: 12px;
        line-height: 20px;
    }

    .type {
        max-width: 140px;
        font-size: 16px;
        color: #213251;
        margin-top: 11px;
    }

    .center-box {
        margin: 0 45px;
    }

    .flex2>div:first-child {
        margin-right: 45px;
    }

    .wrap {
        width: 980px;
    }

    .section-1-right img {
        width: 100%;
    }

    .section1-left {
        padding-left: 0px;
        padding-top: 40px;
        width: 50%;
    }

    .section-1-right {
        width: 50%;
    }

    .section1 {
        padding-bottom: 50px;
        margin-top: 45px;
    }

    .title {
        font-size: 26px;
    }

    .line {
        margin-top: 15px;
    }

    .seo-text-1 {
        margin-top: 10px;
    }

    .seo-text span {
        margin-right: 10px;
    }

    .seo-text-2 {
        margin-top: 10px;
    }

    .text {
        font-size: 14px;
    }

    .seo-text {
        line-height: 30px;
        width: 390px;
    }

    .data-source {
        width: 390px;
    }

    /* 第二块 */
    .strategy-box {
        width: 235px;
        padding: 16px 13px;
        margin-bottom: 25px;
        height: auto;
    }

    .section2 .flex {
        margin-top: 30px;
    }

    .icon-box {
        width: 40px;
        height: 40px;
        font-size: 28px !important;
    }

    .strategy-text {
        font-size: 16px;
        line-height: 30px;
    }

    .seo-btn {
        font-size: 18px;
    }

    .section2 {
        padding-bottom: 50px;
    }

    /* 第三块 */
    .section3 .flex {
        margin-top: 50px;
    }

    .section3 {
        padding-top: 70px;
        padding-bottom: 100px;
    }

    .section3-box {
        width: 190px;
        height: auto;
        padding-bottom: 20px;
    }

    .back2 {
        font-size: 14px;
        padding: 40px 0 35px;
    }

    .optimize-box {
        padding-top: 20px;
        padding-left: 20px;
    }

    .optimize {
        line-height: 25px;
        font-size: 14px;
        margin-bottom: 8px;
    }

    .optimize::after {
        width: 5px;
        height: 5px;
        top: 9px;
        left: -12px;
    }

    .optimize2 {
        margin-bottom: 8px;
    }

    /* 第四块 */
    .section4 .wrap {
        padding: 0;
    }

    .section4-box {
        width: 295px;
        height: auto;
        padding-bottom: 30px;
        background-color: #ffffff;
        box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.1);
        border-radius: 33px;
        text-align: center;
    }


    .seo-img {
        width: 100px;
        height: 100px;
    }

    .little-title {
        font-size: 20px;
    }

    .little-text {
        font-size: 14px;
    }

    .seo-img img {
        width: 55px;
    }

    .seo-img {
        padding-top: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 第五块 */
    .input-field>input {
        width: 450px;
        height: 40px;
        padding-left: 45px;
        font-size: 14px;
    }

    .input-field textarea {
        width: 450px;
        font-size: 14px;
        padding-top: 12px;
        resize: none;
        height: 103px;
        outline: none;
        box-sizing: border-box;
        border: none;
        padding-left: 45px;
    }

    .code-input {
        width: 160px;
        height: 43px;
        padding-left: 50px;
        font-size: 14px;
        padding-left: 13px;
    }

    .code-img {
        width: 120px;
        height: 43px;
        background-color: #ffffff;
    }

    .sub-btn {
        width: 120px;
        height: 43px;
        background-color: #ff8f1c;
        font-size: 18px;
    }

    .input-field {
        margin-bottom: 20px;
    }

    .section5 .wrap {
        margin-top: 55px;
    }

    .section5 {
        padding-top: 73px;
        height: auto;
        padding-bottom: 80px;
    }



    .icon-img {
        width: 20px;
    }

    .icon-img1 {
        width: 18px
    }

    .icon-img2 {
        top: 13px;
    }
}

@media only screen and (max-width: 1023px) {
    .statistics {
        bottom: 15px;
        left: 5%;
        padding: 15px 50px 15px;

    }

    .img1 {
        width: 35px;
    }

    .img2 {
        width: 32px;
    }

    .img3 {
        width: 24px;
    }

    .img4 {
        width: 35px;
    }

    .num {
        font-size: 20px;
        color: #213251;
        margin-top: 10px;
        line-height: 20px;
    }

    .type {
        max-width: 120px;
        font-size: 14px;
        color: #213251;
        margin-top: 9px;
    }

    .center-box {
        margin: 0 20px;
    }

    .flex2>div:first-child {
        margin-right: 20px;
    }

    .section4 .wrap {
        margin-top: 60px;
    }

    .section4 {
        padding-top: 50px;
        padding-bottom: 80px;
    }

    .wrap {
        width: 90%;
    }

    .section4 {
        padding-top: 77px;
    }

    .section1-left {
        padding-left: 0px;
        padding-top: 30px;
        width: 50%;
    }

    .section-1-right {
        width: 50%;
    }

    .section1 {
        padding-bottom: 40px;
        margin-top: 35px;
    }

    .title {
        font-size: 24px;
    }

    .line {
        margin-top: 10px;
    }

    .seo-text-1 {
        margin-top: 7px;
    }

    .seo-text span {
        margin-right: 7px;
        min-width: 8px;
        height: 8px;
    }

    .seo-text-2 {
        margin-top: 7px;
    }

    .text {
        font-size: 13px;
    }

    .seo-text {
        line-height: 25px;
        width: 80%;
    }

    .data-source {
        width: 80%;
    }

    /* 第二块 */
    .strategy-box {
        width: 210px;
        padding: 15px 12px;
        margin-bottom: 30px;
        height: auto;
    }

    .section2 .flex {
        margin-top: 25px;
    }

    .icon-box {
        width: 35px;
        height: 35px;
        font-size: 26px !important;
    }

    .strategy-text {
        font-size: 14px;
        line-height: 28px;
    }

    .seo-btn {
        font-size: 16px;
        width: auto;
        height: auto;
        padding: 10px 15px;
    }

    .section2 {
        padding-top: 35px;
        padding-bottom: 40px;
    }

    /* 第三块 */
    .section3 .flex {
        margin-top: 40px;
    }

    .section3 {
        padding-top: 30px;
        padding-bottom: 50px;
    }

    .section3-box {
        width: 19%;
        height: auto;
        padding-bottom: 10px;
    }

    .back2 {
        font-size: 14px;
        padding: 35px 0 30px;
    }

    .optimize-box {
        padding-top: 15px;
        padding-left: 20px;
    }

    .optimize {
        line-height: 22px;
        font-size: 13px;
        margin-bottom: 8px;
    }

    .optimize::after {
        width: 5px;
        height: 5px;
        top: 7.5px;
        left: -12px;
    }

    .optimize2 {
        margin-bottom: 8px;
    }

    /* 第四块 */
    .section4 .wrap {
        padding: 0;
    }

    .section4-box {
        width: 31%;
        height: auto;
        padding-bottom: 30px;
        background-color: #ffffff;
        box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.1);
        border-radius: 33px;
        text-align: center;
    }

    .flex2 {
        margin-top: 40px;
        padding-left: 0;
    }

    .seo-img {
        width: 80px;
        height: 80px;
    }

    .little-title {
        font-size: 18px;
    }

    .little-text {
        font-size: 13px;
    }

    .seo-img img {
        width: 40px;
    }

    .seo-img {
        margin-top: 40px;
        padding-top: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* 第五块 */
    .input-field>input {
        width: 100%;
        height: 40px;
        padding-left: 45px;
        font-size: 14px;
    }

    .input-field textarea {
        width: 100%;
        font-size: 14px;
        padding-top: 12px;
        resize: none;
        height: 103px;
        outline: none;
        box-sizing: border-box;
        border: none;
        padding-left: 45px;
    }

    .right-box .input-field {
        width: 100%;
    }

    .code-input {
        width: 100%;
        height: 43px;
        padding-left: 50px;
        font-size: 14px;
        padding-left: 13px;
        box-sizing: border-box;
    }

    .code-box .prompt {
        width: 40%;
    }

    .code-img {
        width: 25%;
        height: 43px;
        background-color: #ffffff;
    }

    .sub-btn {
        width: 25%;
        height: 43px;
        background-color: #ff8f1c;
        font-size: 16px;
    }

    .input-field {
        margin-bottom: 20px;
        width: 48%;
    }

    .section5 .wrap {
        margin-top: 55px;
    }

    .section5 {
        padding-top: 73px;
        height: auto;
        padding-bottom: 80px;
    }

    .right-box {
        width: 48%;
    }

    .prompt {}

    .icon-img {
        width: 20px;
    }

    .icon-img1 {
        width: 18px
    }

    .icon-img2 {
        top: 13px;
    }
}

@media only screen and (max-width: 991px) {
    .section4 {
        padding-top: 50px;
    }

    .title2 {
        margin-top: 10px;
    }

    .section4 .wrap {
        margin-top: 40px;
    }

    .strategy-box {
        width: 31%;
        padding: 15px 12px;
        margin-bottom: 15px;
        height: auto;
    }

    .section2 .flex::after {
        width: 31%;
        content: "";
    }

    .section3 .flex .section3-box {
        width: 30%;
    }

    .section3-box {
        margin-bottom: 20px;
    }

    .section3 .flex::after {
        width: 30%;
        content: "";
    }

    .section3 {
        padding-bottom: 40px;
        padding-top: 40px;
    }
}

@media only screen and (max-width: 767px) {
    .center-box {
        margin: 0;
    }

    .flex2>div:first-child {
        margin: 0;
        margin-bottom: 20px;
    }

    .flex2 {
        margin-top: 0px;
    }

    .statistics {
        box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.14);
        border: 1px solid #efefef;
        position: static;
        bottom: 35px;
        left: 5%;
        padding: 15px 0px 0px;
        margin-top: 30px;

    }

    .statistics-box {
        width: 50%;
        margin-bottom: 20px;
    }

    .img1 {
        width: 33px;
    }

    .img2 {
        width: 30px;
    }

    .img3 {
        width: 22px;
    }

    .img4 {
        width: 33px;
    }

    .num {
        font-size: 18px;
        color: #213251;
        margin-top: 8px;
        line-height: 20px;
    }

    .type {
        font-size: 13px;
        color: #213251;
        margin-top: 7px;
        /* line-height: px; */
        max-width: 45%;
        word-wrap: break-word;
    }

    .flex2>div:first-child {
        width: 100%;
    }

    .wrap {
        width: 91%;
    }

    .section1-left {
        width: 100%;
    }

    .seo-text {
        width: 100%;
    }

    .data-source {
        width: 100%;
    }

    .section-1-right {
        width: 100%;
        margin-top: 20px;
    }

    .section-1-right img {
        width: 80%;
        display: block;
        margin: 0 auto;
    }

    .section1 {
        margin-top: 0px;
        padding-bottom: 30px;
    }

    .seo-text {
        line-height: 20px;
    }

    .seo-text-3 {
        margin-top: 5px;
    }

    .seo-text-2 {
        margin-top: 5px;
    }

    .seo-text-1 {
        margin-top: 5px;
    }

    .title {
        font-size: 22px;
    }

    .text {
        font-size: 12px;
    }

    .section1-left {
        padding-top: 20px;
    }

    /* 第二块 */
    .strategy-box {
        width: 49%;
        padding: 10px 10px;
        margin-bottom: 15px;
        height: auto;
    }

    .strategy-text {
        font-size: 12px;
    }

    .icon-box {
        width: 30px;
        height: 30px;
        font-size: 22px !important;
    }

    .section2 {
        padding-bottom: 30px;
        padding-top: 30px;
    }

    .seo-btn {
        font-size: 13px;
    }

    /* 第三块 */
    .section3 .flex .section3-box {
        width: 49%;
    }

    .section3-box {
        margin-bottom: 20px;
    }

    .section3 .flex::after {
        width: 30%;
        content: "";
    }

    .section3 {
        padding-bottom: 40px;
        padding-top: 40px;
    }

    .section3 {
        padding-top: 30px;
        padding-bottom: 10px;
    }

    .back2 {
        font-size: 13px;
        padding-top: 25px;
        padding-bottom: 25px;
    }

    .optimize {
        font-size: 12px;
    }

    /* 第四块 */
    .section4 .wrap {
        padding: 0;
    }

    .section4-box {
        pointer-events: none;
        width: 100%;
        height: auto;
        padding-bottom: 20px;
        background-color: #ffffff;
        box-shadow: 0px 0px 24px 0px rgba(0, 0, 0, 0.1);
        border-radius: 33px;
        text-align: center;
        margin-bottom: 20px;
    }

    .seo-img {
        width: 80px;
        height: 80px;
    }

    .little-title {
        margin-top: 10px;
        font-size: 18px;
        margin-bottom: 10px;
    }

    .little-text {
        font-size: 13px;
    }

    .seo-img img {
        width: 40px;
    }

    .seo-img {
        margin-top: 30px;
        padding-top: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .section4 {
        padding-top: 30px;
        padding-bottom: 10px;
    }

    .section4 .wrap {
        margin-top: 30px;
    }

    /* 第五块 */
    .right-box {
        width: 90%
    }

    .input-field>input {
        width: 100%;
        height: 35px;
        padding-left: 35px;
        font-size: 13px;
    }

    .code-input,
    .code-img,
    .sub-btn {
        font-size: 14px;
        height: 35px;
    }

    .icon-img1 {
        width: 15px;
        top: 8px;
        left: 11px;
    }

    .prompt::before {
        left: -15px;
        font-size: 24px;
    }

    .input-field textarea {
        padding-left: 35px;
    }

    .section5 {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .section5 .wrap {
        margin-top: 20px;
    }

    .section5 .line {
        margin: 10px auto 10px;
    }

    .icon-img2 {
        top: 10px;
    }

    .icon-img3 {
        left: 9px;
    }

    .icon-img4 {
        left: 9px;
        width: 16px;
    }

    .input-field {
        width: 90%;
        margin-bottom: 12px;
    }

    .code-box .prompt {
        width: 40%;
    }

    .section5 .wrap {
        justify-content: center;
    }

    .section4 .line {
        margin-top: 20px;
    }

    .title2 {
        margin-top: 10px;
    }

    .section3 .flex {
        margin-top: 30px;
    }
}

@media only screen and (max-width: 420px) {
    .code-box .prompt {
        width: 55%;
        margin-bottom: 12px;
    }

    .code-img {
        width: 40%;
    }

    .sub-btn {
        width: 100%;
    }
}