.section {
    position: relative;
    color: #fff;
    font-family: 'myriadsetpro-thinthin', Arial;
    font-size: 16px;
    line-height: 1.2;
    font-weight: normal;
    background-color: #000;
    margin: 0 auto;
}

.big-img {
    width: 100%;
}

#BV6600pro div, #BV6600pro ul, #BV6600pro li, #BV6600pro h3, #BV6600pro h4, #BV6600pro p {
    margin: 0;
    padding: 0;
    font-style: normal;
}

#BV6600pro ul, #BV6600pro li {
    list-style: none;
}

#BV6600pro img {
    border: 0;
    vertical-align: middle;
}

#BV6600pro {
    font-family: 'myriadsetpro-thinthin', Arial;
    background: #f5f5f7;
    box-sizing: border-box;
    position: relative;
    z-index: 0;
}

#BV6600pro .buy-link-item {
    margin: 50px 0;
}

#BV6600pro .buy-link-item ul li {
    margin: 10px;
}

#BV6600pro .big-img {
    width: 100%;
}

#BV6600pro .img-100p {
    width: 100%;
}

#BV6600pro .img-80p {
    width: 80%;
}

#BV6600pro section {
    width: 100%;
    color: #000;
    position: relative;
    text-align: center;
}

#BV6600pro .bv-pc {
    display: inline-block;
}

#BV6600pro .bv-phone {
    display: none;
}

#BV6600pro .bv-init {
    -webkit-transform: translate(0, 2rem);
    -ms-transform: translate(0, 2rem);
    transform: translate(0, 2rem);
    opacity: 0;
    -webkit-transition: opacity ease-in-out .6s,-webkit-transform ease-in-out .6s;
    transition: opacity ease-in-out .3s,-webkit-transform ease-in-out .6s;
    transition: transform ease-in-out .3s,opacity ease-in-out .6s;
    transition: transform ease-in-out .3s,opacity ease-in-out .6s,-webkit-transform ease-in-out .6s;
}

#BV6600pro .bv-transform-move {
    transform: translate(0, 0);
    opacity: 1;
}

#BV6600pro .bv-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

#BV6600pro .bv-font-title {
    font-size: 2.5vw;
    font-weight: bold;
    text-align: center;
}

#BV6600pro .bv-font-txt {
    font-size: 1.25vw;
    text-align: center;
}

#BV6600pro .bv-absolute {
    position: absolute;
}

#BV6600pro .font-gold {
    font-size: 48px;
    text-align: center;
    color: #FFD400;
    font-weight: bold;
}

#BV6600pro p {
    line-height: 1.2;
}

#BV6600pro .sect-list {
    width: 100%;
    position: relative;
}

#BV6600pro .sect1 {
    height: 932px/var(--width);
    overflow: hidden;
}

#BV6600pro .sect1 .sect1-box-item {
    position: absolute;
    top: 50%;
    left: 15%;
    transform: translateY(-50%);
}

#BV6600pro .sect1 .left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}

#BV6600pro .sect1 .left .p1 {
    color: #fff;
    font-style: italic;
    font-size: 26px;
    margin-bottom: 50px;
}

#BV6600pro .sect1 .left .bv6600pro-name img {
    width: 26vw;
}

#BV6600pro .sect1 .left .p3 {
    font-size: 18px;
    color: #fff;
    margin-top: 20px;
    margin-bottom: 60px;
}

#BV6600pro .sect1 .left .p4 {
    font-size: 24px;
    border: 1px solid #FBC700;
    border-radius: 13px;
    overflow: hidden;
}

#BV6600pro .sect1 .left .p4 span {
    display: inline-block;
    padding: 5px 18px;
    border-radius: 10px;
}

#BV6600pro .sect1 .left .p4 .span1 {
    color: #000;
    background: #FBC700;
}

#BV6600pro .sect1 .left .p4 .span2 {
    color: #FBC700;
    background: #000;
}

#BV6600pro .sect2 {
    padding: 100px 0;
    background: #000;
}

#BV6600pro .sect2 ul {
    width: 80%;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin: 0 auto;
}

#BV6600pro .sect2 ul li {
    width: 20%;
    margin: 50px 20px;
    text-align: center;
}

#BV6600pro .sect2 ul li .img-box {
    height: 103px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 48px;
}

#BV6600pro .sect2 ul li .p1 {
    font-size: 24px;
    color: #fff;
}

#BV6600pro .sect2 ul li .p2 {
    font-size: 18px;
    color: #9A9A9A;
}

#BV6600pro .sect3 {
    height: 877px/var(--width);
}

#BV6600pro .sect3 .img-box {
    position: relative;
}

#BV6600pro .sect3 .img-box .p1 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 54px;
}

#BV6600pro .sect3 .img-box span {
}

#BV6600pro .sect3 .sect3-box {
    position: absolute;
    top: 30%;
    width: 100%;
}

#BV6600pro .sect3 .sect3-box .p2 {
    padding-top: 3vw;
    width: 60%;
    margin: 0 auto;
    color: #fff;
    font-size: 24px;
    text-align: center;
}

#BV6600pro .sect4 {
    padding-top: 70px;
    background: #000;
    text-align: center;
}

#BV6600pro .sect4 .p1 {
    font-size: 48px;
    color: #FBC700;
}

#BV6600pro .sect4 .p2 {
    font-style: italic;
    font-size: 48px;
    margin-top: 75px;
    font-weight: 600;
}

#BV6600pro .sect4 .p3 {
    font-size: 24px;
    color: #fff;
    width: 50%;
    margin: 30px auto;
    padding-bottom: 50px;
}

#BV6600pro .sect4 .p4 {
    text-align: center;
    color: #FFD400;
    font-size: 20px;
    margin-top: 3vw;
}

#BV6600pro .sect4 .p4 span {
    cursor: pointer;
}

#BV6600pro .sect4 .img-box {
    margin: 50px auto;
    width: 55.5vw;
    height: 38.489vw;
    position: relative;
}

#BV6600pro .sect4 .img-box .red-point {
    width: 29.583vw;
    position: absolute;
    top: 0;
    right: -16%;
}

#BV6600pro .sect5 .p1 {
    margin-bottom: 5vw;
}

#BV6600pro .sect5 .sect5-bg {
    position: relative;
    padding-top: 10vw;
}

#BV6600pro .sect5 .sect5-bg .sect5-item {
    position: absolute;
    top: 0;
    width: 75%;
    left: 50%;
    transform: translateX(-50%);
    box-sizing: border-box;
    align-items: flex-start;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item {
    margin-top: 50px;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-left {
    margin-bottom: 16px;
    height: 50px;
    align-items: flex-end;
    flex-wrap: nowrap;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-left .img-box {
    margin-right: 10px;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-left p {
    font-weight: bold;
    font-size: 20px;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-right {
    font-size: 30px;
    font-weight: bold;
    white-space: nowrap;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line {
    width: 100%;
    height: 10px;
    background-image: linear-gradient(to right, #ffd400, #f7453d);
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .network {
    width: 28vw;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .left .wifi {
    width: 18vw;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part {
    width: 45%;
    padding: 0 50px;
    box-sizing: border-box;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .p2 {
    font-size: 30px;
    color: #000;
    white-space: nowrap;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .p3 {
    margin-top: 25px;
    font-size: 24px;
    height: 90px;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .item-box {
    margin-top: 70px;
}

#BV6600pro .sect5 .sect5-bg .sect5-item .right .item-box img {
    width: 11vw;
}

#BV6600pro .sect6 .sect6-box {
    width: 100%;
    height: 45.25vw;
    position: relative;
}

#BV6600pro .sect6 .sect6-box .sect6-txt {
    position: absolute;
    left: 50%;
    top: 10%;
    color: #fff;
}

#BV6600pro .sect6 .sect6-box .sect6-txt p {
    text-align: left;
}

#BV6600pro .sect6 .sect6-box .sect6-txt .p1 {
    padding-bottom: 2.5vw;
    width: 60%;
}

#BV6600pro .sect6 .sect6-box .sect6-txt .p2 {
    line-height: 1.5;
    width: 50%;
}

#BV6600pro .sect6 .sect6-box .phone-img {
    width: 34vw;
    position: absolute;
    left: 15%;
    bottom: 1.3%;
}

#BV6600pro .sect6 .sect6-box .power-box {
    position: absolute;
    right: 30%;
    bottom: 10%;
}

#BV6600pro .sect6 .sect6-box .power-box img {
    width: 13vw;
}

#BV6600pro .sect7 {
    padding-top: 7vw;
}

#BV6600pro .sect7 .p2 {
    text-align: center;
    font-size: 36px;
    margin-top: 50px;
    margin-bottom: 17px;
    font-style: italic;
    font-weight: bold;
}

#BV6600pro .sect7 .p3 {
    width: 50%;
    margin: 0 auto;
}

#BV6600pro .sect7 .img-box {
    width: 100%;
    margin-top: 5vw;
}

#BV6600pro .sect8 {
    padding-top: 3.2vw;
    padding-bottom: 3.8vw;
}

#BV6600pro .sect8 .sect8-box {
    width: 73%;
    margin: 0 auto;
}

#BV6600pro .sect8 .sect8-box .p1 {
    text-align: center;
    padding-left: 30px;
    padding-bottom: 38px;
    font-size: 30px;
}

#BV6600pro .sect8 .sect8-box ul {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

#BV6600pro .sect8 .sect8-box ul li {
    width: 49%;
    position: relative;
    margin-bottom: 25px;
}

#BV6600pro .sect8 .sect8-box ul li img {
    width: 100%;
}

#BV6600pro .sect8 .sect8-box ul li p {
    position: absolute;
    top: 5%;
    left: 5%;
    font-size: 1.25vw;
    color: #fff;
}

#BV6600pro .sect8 .sect8-box ul li:nth-child(1) p {
    top: 15%;
    left: 10%;
}

#BV6600pro .sect8 .sect8-box ul li:nth-child(2) p {
    top: 20%;
    left: 10%;
}

#BV6600pro .sect8 .sect8-box ul li:nth-child(3) p {
    top: 10%;
    left: 10%;
}

#BV6600pro .sect8 .sect8-box ul li:nth-child(4) p {
    top: 50%;
    left: 5%;
    transform: translateY(-50%);
}

#BV6600pro .sect8 .sect8-box .p3 {
    color: #646464;
    font-size: 18px;
}

#BV6600pro .sect10 {
    padding-top: 4.8vw;
}

#BV6600pro .sect10 .sect10-box {
    width: 73%;
    margin: 0 auto;
}

#BV6600pro .sect10 .sect10-box p {
    text-align: left;
}

#BV6600pro .sect10 .sect10-box .p2 {
    padding: 46px 0 32px 0;
}

#BV6600pro .sect10 .sect10-box .p3 {
    font-size: 18px;
    color: #646464;
    margin-top: 10px;
}

#BV6600pro .sect10 .sect10-box ul {
    padding-top: 32px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding-bottom: 6vw;
}

#BV6600pro .sect10 .sect10-box ul li {
    width: 32%;
}

#BV6600pro .sect11 {
    background: #000;
    color: #fff;
    padding: 6.5vw 0;
}

#BV6600pro .sect11 .p2 {
    color: #FFD400;
    padding-top: 2vw;
    padding-bottom: 5vw;
}

#BV6600pro .sect11 .p2 span {
    color: #fff;
}

#BV6600pro .sect11 .p3 {
    text-align: center;
    font-size: 30px;
    font-style: italic;
    font-weight: bold;
}

#BV6600pro .sect11 ul {
    width: 73%;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 5vw;
}

#BV6600pro .sect11 ul li {
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#BV6600pro .sect11 ul li p {
    color: #FFD400;
    font-size: 28px;
    text-align: center;
}

#BV6600pro .sect11 ul .txt {
    background: #202020;
}

#BV6600pro .sect12 {
    background: #000;
    color: #fff;
    text-align: center;
}

#BV6600pro .sect12 .sect12-box {
    width: 100%;
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
}

#BV6600pro .sect12 .sect12-box .p1 {
    padding-bottom: 3vw;
}

#BV6600pro .sect12 .sect12-box .p1 span {
}

#BV6600pro .sect13 {
    padding: 5vw 0;
}

#BV6600pro .sect13 ul {
    width: 100%;
    display: flex;
    justify-content: center;
}

#BV6600pro .sect13 ul li {
    width: 20.9vw;
}

#BV6600pro .sect13 ul li p {
    text-align: center;
}

#BV6600pro .sect13 ul li .p1 {
    font-size: 24px;
    padding-top: 27px;
    padding-bottom: 8px;
}

#BV6600pro .sect13 ul li .p2 {
    font-size: 16px;
}

#BV6600pro .sect13 ul li:nth-child(2) {
    margin: 0 8px;
}

#BV6600pro .sect14 .sect14-box {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translateX(-50%);
}

#BV6600pro .sect14 .sect14-box .p1 {
    color: #FFD400;
    text-align: center;
    font-size: 48px;
    font-weight: bold;
}

#BV6600pro .sect14 .sect14-box .p2 {
    color: #fff;
    margin-top: 4vw;
    line-height: 1.5;
}

#BV6600pro .sect14 .sect14-box-2 {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}

#BV6600pro .sect14 .sect14-box-2 .sect14-item {
    width: 20%;
    margin: 0 5vw;
}

#BV6600pro .sect14 .sect14-box-2 p {
    white-space: nowrap;
    text-align: center;
    color: #fff;
}

#BV6600pro .sect14 .sect14-box-2 .p3 {
    font-size: 48px;
}

#BV6600pro .sect14 .sect14-box-2 .p4 {
    font-size: 30px;
}

#BV6600pro .sect15 .sect15-box {
    width: 30%;
    position: absolute;
    left: 10%;
    top: 25%;
    color: #fff;
}

#BV6600pro .sect15 .sect15-box p {
    text-align: left;
}

#BV6600pro .sect15 .sect15-box .p2 {
    margin-top: 3vw;
    margin-bottom: 5vw;
    line-height: 1.5;
}

#BV6600pro .sect15 .sect15-box .sect15-item {
    display: flex;
    padding: 20px 0;
    font-size: 24px;
}

#BV6600pro .sect15 .sect15-box .sect15-item .img-box {
    width: 150px;
    text-align: center;
    margin-right: 20px;
}

#BV6600pro .sect15 .sect15-box .sect15-item .txt-box span {
    font-size: 12px;
}

#BV6600pro .sect16 {
    padding: 3vw 0;
    background: #000;
}

#BV6600pro .sect16 p {
    color: #fff;
    text-align: center;
}

#BV6600pro .sect16 .p2 {
    font-weight: bold;
    font-size: 30px;
    font-style: italic;
    padding-top: 2vw;
    padding-bottom: 3vw;
}

#BV6600pro .sect16 .sect16-box {
    width: 70%;
    margin: 0 auto;
}

#BV6600pro .sect16 .sect16-list {
    display: flex;
    color: #fff;
    font-size: 30px;
    font-weight: bold;
    margin-bottom: 10px;
}

#BV6600pro .sect16 .sect16-list .item {
    display: flex;
    justify-content: center;
    align-items: center;
}

#BV6600pro .sect16 .sect16-list .item1 {
    background: #1d1f1e;
    width: 13.5vw;
    margin-right: 20px;
}

#BV6600pro .sect16 .sect16-list .item2, #BV6600pro .sect16 .sect16-list .item3 {
    width: 28vw;
    margin-right: 10px;
}

#BV6600pro .sect16 .sect16-list-1 .item {
    background: #1d1f1e;
    padding: 10px;
}

#BV6600pro .sect16 .sect16-list-2 .item {
    padding: 20px;
}

#BV6600pro .sect16 .sect16-list-2 .item2, #BV6600pro .sect16 .sect16-list-2 .item3 {
    background: #2a2a2a;
}

#BV6600pro .sect16 .sect16-list-3 .item2, #BV6600pro .sect16 .sect16-list-3 .item3 {
    background: #3f3f3f;
    padding: 30px;
    font-weight: normal;
}

#BV6600pro .sect17 .sect17-box {
    width: 30%;
    position: absolute;
    right: 30%;
    top: 20%;
    text-align: left;
}

#BV6600pro .sect17 .sect17-box .p1 {
    text-align: left;
}

#BV6600pro .sect17 .sect17-box .p2 {
    font-size: 30px;
    font-weight: bold;
    font-style: italic;
    margin-top: 3vw;
    margin-bottom: 1vw;
}

#BV6600pro .sect17 .sect17-box .p3 {
    width: 100%;
    font-size: 24px;
    line-height: 1.5;
}

#BV6600pro .sect18 {
    padding: 5vw 0;
    text-align: center;
}

#BV6600pro .sect18 .p2 {
    font-size: 40px;
    padding-top: 3vw;
    padding-bottom: 2vw;
}

#BV6600pro .sect18 .p3 {
    width: 50%;
    margin: 0 auto;
}

#BV6600pro .sect18 ul {
    display: flex;
    justify-content: center;
    margin-top: 5vw;
}

#BV6600pro .sect18 ul li {
    position: relative;
    margin: 4px;
    background: #050c16;
    width: 21vw;
    box-sizing: border-box;
    padding: 20px;
    height: 35vw;
}

#BV6600pro .sect18 ul li .p4 {
    padding-top: 1vw;
    color: #fff;
    padding-bottom: 1.5vw;
    font-size: 24px;
}

#BV6600pro .sect18 ul li .p5 {
    font-size: 16px;
    color: #fff;
}

#BV6600pro .sect18 ul li img {
    width: 75%;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

#BV6600pro .sect19 {
    padding: 5vw;
    background: #000;
}

#BV6600pro .sect19 .p1 {
    padding-bottom: 4vw;
}

#BV6600pro .sect19 .sect19-list {
    display: flex;
    justify-content: center;
}

#BV6600pro .sect19 .sect19-list p {
    text-align: left;
    color: #fff;
}

#BV6600pro .sect19 .sect19-list .item {
    width: 36.9vw;
    box-sizing: border-box;
}

#BV6600pro .sect19 .sect19-list .right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 2vw;
}

#BV6600pro .sect19 .sect19-list .right .p2 {
    padding-bottom: 1.5vw;
    font-size: 1.8vw;
}

#BV6600pro .sect20 {
    padding: 5vw 0;
}

#BV6600pro .sect20 ul {
    width: 100%;
    display: flex;
    justify-content: center;
}

#BV6600pro .sect20 ul li {
    width: 23vw;
    position: relative;
}

#BV6600pro .sect20 ul li p {
    text-align: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 10%;
    font-size: 30px;
    width: 100%;
    white-space: nowrap;
}

#BV6600pro .sect20 ul li:nth-child(1) p {
    color: #1F8521;
}

#BV6600pro .sect20 ul li:nth-child(2) {
    margin: 0 20px;
}

#BV6600pro .sect20 ul li:nth-child(2) p {
    color: #A1A1A1;
}

#BV6600pro .sect20 ul li:nth-child(3) p {
    color: #CA6C10;
}

@media screen and (max-width: 800px) and (min-width: 200px) {
    #BV6600pro .font-gold {
        font-size: 20px;
    }

    #BV6600pro .font-title {
        font-size: 26px;
    }

    #BV6600pro .font-txt {
        font-size: 20px;
        line-height: 20px;
    }

    #BV6600pro .bv-pc {
        display: none;
    }

    #BV6600pro .bv-phone {
        display: inline-block;
    }

    #BV6600pro .sect1 .left {
        left: 2%;
    }

    #BV6600pro .sect1 .left .p1 {
        font-size: 16px;
        margin-bottom: 5px;
    }

    #BV6600pro .sect1 .left .p3 {
        font-size: 12px;
        margin-bottom: 20px;
    }

    #BV6600pro .sect1 .left .p4 {
        font-size: 12px;
    }

    #BV6600pro .sect1 .left .p4 span {
        padding: 2px;
    }

    #BV6600pro .sect2 {
        padding: 30px 0;
    }

    #BV6600pro .sect2 ul li {
        width: 40%;
        margin: 20px 10px;
    }

    #BV6600pro .sect2 ul li img {
        width: 60%;
    }

    #BV6600pro .sect2 ul li .img-box {
        margin-bottom: 20px;
    }

    #BV6600pro .sect2 ul li .p1 {
        font-size: 16px;
    }

    #BV6600pro .sect2 ul li .p2 {
        font-size: 12px;
    }

    #BV6600pro .sect3 .img-box .p1 {
        font-size: 20px;
    }

    #BV6600pro .sect3 .sect3-box .p1 {
        font-size: 20px;
    }

    #BV6600pro .sect3 .sect3-box .p2 {
        width: 90%;
        font-size: 12px;
    }

    #BV6600pro .sect4 {
        padding-top: 50px;
    }

    #BV6600pro .sect4 .p3 {
        width: 90%;
        font-size: 16px;
        padding: 0;
    }

    #BV6600pro .sect4 .p2 {
        font-size: 20px;
    }

    #BV6600pro .sect4 .img-box {
        width: 90%;
        height: 70vw;
    }

    #BV6600pro .sect4 .img-box .red-point {
        width: 50px;
        top: 25%;
        right: 4%;
    }

    #BV6600pro .sect5 .sect5-bg {
        padding-top: 30vw;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item {
        width: 100%;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part {
        padding: 0 5px;
        width: 50%;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .p2 {
        font-size: 18px;
        white-space: pre-wrap;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .p3 {
        height: 50px;
        font-size: 14px;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .item-box {
        margin-top: 20px;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .sect5-item-part .item-box .network {
        width: 100%;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item {
        margin-top: 0;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-right {
        font-size: 20px;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-left .img-box {
        width: 20px;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-left .img-box img {
        width: 100%;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .left .line-item .line-txt .line-txt-left p {
        font-size: 12px;
    }

    #BV6600pro .sect5 .sect5-bg .sect5-item .left .wifi {
        width: 50%;
    }

    #BV6600pro .sect6 .sect6-box {
        height: 75vw;
        overflow: hidden;
    }

    #BV6600pro .sect6 .sect6-box .power-box img {
        width: 20vw;
    }

    #BV6600pro .sect6 .sect6-box .phone-img {
        width: 45vw;
        left: 2%;
        bottom: -3.7%;
    }

    #BV6600pro .sect6 .sect6-box .sect6-txt {
        left: 35%;
        width: 65%;
    }

    #BV6600pro .sect6 .sect6-box .sect6-txt .p1 {
        width: 90%;
    }

    #BV6600pro .sect6 .sect6-box .sect6-txt .p2 {
        width: 90%;
    }

    #BV6600pro .sect7 {
        padding-top: 50px;
    }

    #BV6600pro .sect7 .p2 {
        font-size: 20px;
        margin: 20px 0;
    }

    #BV6600pro .sect7 .p3 {
        width: 85%;
    }

    #BV6600pro .sect8 .sect8-box {
        width: 95%;
    }

    #BV6600pro .sect8 .sect8-box ul li {
        width: 100%;
    }

    #BV6600pro .sect8 .sect8-box ul li .p2 {
        font-size: 13px;
    }

    #BV6600pro .sect10 .sect10-box {
        width: 95%;
    }

    #BV6600pro .sect11 ul {
        width: 95%;
    }

    #BV6600pro .sect11 ul li p {
        font-size: 18px;
    }

    #BV6600pro .sect12 .sect12-box {
        position: unset;
        transform: unset;
    }

    #BV6600pro .sect12 .big-img {
        width: 90%;
        margin-top: 20px;
    }

    #BV6600pro .sect13 ul {
        flex-wrap: wrap;
    }

    #BV6600pro .sect13 ul li {
        width: 90%;
        padding-bottom: 20px;
    }

    #BV6600pro .sect14 .sect14-box {
        top: 3%;
        width: 100%;
    }

    #BV6600pro .sect14 .sect14-box .p1 {
        font-size: 20px;
    }

    #BV6600pro .sect14 .sect14-box-2 .p3 {
        font-size: 20px;
    }

    #BV6600pro .sect14 .sect14-box-2 .p4 {
        font-size: 16px;
    }

    #BV6600pro .sect15 {
        padding-top: 20px;
        background: #000;
    }

    #BV6600pro .sect15 .sect15-box {
        position: unset;
        width: 90%;
        padding-left: 2%;
    }

    #BV6600pro .sect15 .sect15-box .sect15-item {
        font-size: 16px;
    }

    #BV6600pro .sect16 .p2 {
        font-size: 16px;
    }

    #BV6600pro .sect16 .sect16-box {
        width: 95%;
    }

    #BV6600pro .sect16 .sect16-list .item {
        width: unset;
        font-size: 12px;
        padding: 5px;
    }

    #BV6600pro .sect16 .sect16-list .item1 {
        margin-right: 5px;
        width: 20%;
    }

    #BV6600pro .sect16 .sect16-list .item2 {
        width: 40%;
    }

    #BV6600pro .sect16 .sect16-list .item3 {
        width: 40%;
    }

    #BV6600pro .sect17 .sect17-box {
        top: 5%;
        width: 97%;
        left: 2%;
    }

    #BV6600pro .sect17 .sect17-box .p1 {
        font-size: 18px;
    }

    #BV6600pro .sect17 .sect17-box .p2 {
        font-size: 20px;
    }

    #BV6600pro .sect17 .sect17-box .p3 {
        font-size: 16px;
        color: #fff;
    }

    #BV6600pro .sect18 .p2 {
        font-size: 20px;
    }

    #BV6600pro .sect18 ul {
        flex-wrap: wrap;
    }

    #BV6600pro .sect18 ul li {
        width: 80%;
        height: 120vw;
    }

    #BV6600pro .sect18 ul li img {
        width: 60%;
    }

    #BV6600pro .sect18 ul li:nth-child(2) {
        height: 140vw;
    }

    #BV6600pro .sect19 {
        padding: 20px 0;
    }

    #BV6600pro .sect19 .p1 {
        font-size: 18px;
    }

    #BV6600pro .sect19 .sect19-list .item {
        width: 49%;
    }

    #BV6600pro .sect20 ul {
        flex-wrap: wrap;
    }

    #BV6600pro .sect20 ul li {
        margin-top: 20px;
        margin-bottom: 20px;
        width: 80%;
    }

    #BV6600pro .sect20 ul li img {
        width: 100%;
    }

    #BV6600pro .bv-font-txt {
        font-size: 13px;
    }

    #BV6600pro .sect18 .p3 {
        width: 80%;
    }

    #BV6600pro .sect19 .sect19-list .right .p2 {
        font-size: 15px;
    }
}