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

#BV4900S div, #BV4900S ul, #BV4900S li, #BV4900S h3, #BV4900S h4, #BV4900S p {
    margin: 0;
    padding: 0;
    font-style: normal;
}

#BV4900S ul, #BV4900S li {
    list-style: none;
}

#BV4900S img {
    border: 0;
    vertical-align: middle;
}

#BV4900S {
    font-family: 'myriadsetpro-thinthin', Arial;
    color: #fff;
    box-sizing: border-box;
    position: relative;
    z-index: 0;
}

#BV4900S .buy-link-item {
    padding-bottom: 50px;
}

#BV4900S .buy-link-item ul li {
    margin: 10px;
}

#BV4900S .big-img {
    width: 100%;
}

#BV4900S .img-100p {
    width: 100%;
}

#BV4900S .img-80p {
    width: 80%;
}

#BV4900S section {
    width: 100%;
    color: #000;
    position: relative;
    text-align: center;
}

#BV4900S .bv-pc {
    display: inline-block;
}

#BV4900S .bv-phone {
    display: none;
}

#BV4900S .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;
}

#BV4900S .bv-transform-move {
    transform: translate(0, 0);
    opacity: 1;
}

#BV4900S .bv-flex {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

#BV4900S .bv-font-title {
    font-size: 2.5vw;
    color: #FF5C1B;
    text-align: center;
    font-family: 'myriadsetpro-thinthin', Arial;
}

@media screen and (max-width: 580px) {
    #BV4900S .bv-font-title {
        font-size: 1.2em;
    }
}

#BV4900S .bv-font-txt {
    font-size: 1.25vw;
    color: #FFFFFF;
    font-family: 'myriadsetpro-thinthin', Arial;
}

#BV4900S .bv-absolute {
    position: absolute;
}

#BV4900S p {
    line-height: 1.2;
}

#BV4900S .sect-list {
    width: 100%;
    position: relative;
}

#BV4900S #buy_box {
    background: #000;
}

#BV4900S #BvBuy {
    background: #000;
    display: flex;
    justify-content: center;
}

#BV4900S #BvBuy .buy-link-item {
    width: 43%;
}

#BV4900S #BvBuy .buy-link-item ul {
    display: flex;
    flex-wrap: wrap;
}

#BV4900S #BvBuy .right ul {
    justify-content: flex-start;
}

#BV4900S #BvBuy .left {
    width: 30%;
}

#BV4900S #BvBuy .left ul {
    justify-content: flex-end;
}

#BV4900S #BvBuy .middle-line {
    margin: 70px;
    width: 3px;
    height: 180px;
    background: linear-gradient(263deg, #626262 1%, #626262 100%);
}

#BV4900S .sect1 {
    height: calc(0.5 * 100vw);
}

#BV4900S .sect1 .sect-box {
    position: absolute;
    width: 30%;
    top: 25%;
    left: 10%;
}

#BV4900S .sect1 .sect-box .product-name img {
    width: 25.15vw;
    width: 100%;
}

#BV4900S .sect1 .sect-box .p1 {
    margin: 1.66vw 0;
    font-size: 2.18vw;
    line-height: 1.2;
}

#BV4900S .sect1 .sect-box .sect1-item-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 1.2vw;
}

#BV4900S .sect1 .sect-box .sect1-item-list .left-box {
    width: 45px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 20px;
}

#BV4900S .sect1 .sect-box .sect1-item-list .right-box {
    font-size: 1.5625vw;
    white-space: nowrap;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect1 .sect-box .sect1-item-list .right-box {
        font-size: 12px;
        white-space: nowrap;
    }
}

#BV4900S .common-title {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#BV4900S .common-title .title-line {
    width: 61vw;
}

#BV4900S .sect2 {
    padding-top: 2.5vw;
    width: 100%;
    height: calc(0.51 * 100vw);
    background-image: url(images/sect2-8.webp);
    background-size: 100vw;
}

#BV4900S .sect2 .sect2-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    width: 70%;
    margin: 3.85vw auto;
}

#BV4900S .sect2 .sect2-box .sect2-box-item {
    margin-bottom: 20px;
    position: relative;
}

#BV4900S .sect2 .sect2-box .sect2-box-item .p1 {
    display: inline-block;
    position: absolute;
    font-size: 0.93vw;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect2 .sect2-box .sect2-box-item .p1 {
        font-size: 13px;
    }
}

#BV4900S .sect2 .sect2-box .sect2-box-item .img-1 {
    width: 23.958vw;
}

#BV4900S .sect2 .sect2-box .sect2-box-item .img-2 {
    width: 18.2291vw;
}

#BV4900S .sect2 .sect2-box-item:nth-child(1) .p1 {
    bottom: 5%;
    left: 5%;
}

#BV4900S .sect2 .sect2-box-item:nth-child(2) {
    margin: 0 20px;
}

#BV4900S .sect2 .sect2-box-item:nth-child(2) .p1 {
    bottom: 8%;
    right: 5%;
}

#BV4900S .sect2 .sect2-box-item:nth-child(3) .p1 {
    bottom: 5%;
    left: 5%;
}

#BV4900S .sect2 .sect2-box-item:nth-child(4) .p1 {
    bottom: 5%;
    left: 5%;
}

#BV4900S .sect2 .sect2-box-item:nth-child(5) {
    margin: 0 20px;
}

#BV4900S .sect2 .sect2-box-item:nth-child(5) .p1 {
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

#BV4900S .sect2 .sect2-box-item:nth-child(6) .p1 {
    bottom: 5%;
    left: 5%;
}

#BV4900S .sect3 {
    padding-top: 2.5vw;
    width: 100%;
    height: calc(0.5109 * 100vw);
    background-image: url(images/sect3-1.webp);
    background-size: 100vw;
}

#BV4900S .sect3 .p1 {
    text-align: center;
    width: 40%;
    margin: 0 auto;
    padding-top: 3vw;
    font-size: 1.25vw;
    line-height: 1.5;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect3 .p1 {
        font-size: .85em;
    }
}

#BV4900S .sect4 {
    padding: 3vw 0;
    background: #000;
}

#BV4900S .sect4 .sect4-box {
    margin-bottom: 3vw;
    display: flex;
    justify-content: center;
}

#BV4900S .sect4 .sect4-box .left {
    width: 22vw;
    background: #F95B1C;
    display: flex;
    justify-content: center;
    align-items: center;
}

#BV4900S .sect4 .sect4-box .left .left-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#BV4900S .sect4 .sect4-box .left .left-box p {
    font-family: 'myriadsetpro-thinthin', Arial;
    text-align: center;
    font-size: 1.56vw;
    margin-top: 1vw;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect4 .sect4-box .left .left-box p {
        font-size: 12px;
    }
}

#BV4900S .sect4 .sect4-box .right {
    width: 40vw;
}

#BV4900S .sect5 {
    background: #000;
    padding-top: 3vw;
}

#BV4900S .sect5 .p1 {
    text-align: center;
    width: 40%;
    margin: 0 auto;
    padding-top: 3vw;
    font-size: 1.25vw;
    line-height: 1.5;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect5 .p1 {
        font-size: .85em;
    }
}

#BV4900S .sect5 .sect5-box {
    margin: 3vw 0;
    display: flex;
    justify-content: center;
}

#BV4900S .sect5 .sect5-box .sect5-img-item {
    width: 19vw;
}

#BV4900S .sect5 .sect5-box .sect5-img-center {
    margin: 0 2.5vw;
}

#BV4900S .sect6 {
    text-align: center;
    padding: 3vw 0 5vw 0;
    background: #000;
}

#BV4900S .sect6 .common-title {
    margin-bottom: 3vw;
}

#BV4900S .sect6 .sect6-img {
    width: 60vw;
}

#BV4900S .sect7 {
    background: #000;
    padding: 3vw 0;
}

#BV4900S .sect7 .common-title span {
    font-size: 1.5625vw;
}

#BV4900S .sect7 .p1 {
    text-align: center;
    width: 40%;
    margin: 0 auto;
    padding-top: 3vw;
    font-size: 1.25vw;
    line-height: 1.5;
}

#BV4900S .sect7 .box {
    position: relative;
    width: 62%;
    margin: 0 auto;
    min-width: 1000px;
    text-align: center;
}

#BV4900S .sect7 .box .tit {
    padding-top: 15%;
    font-size: 1.7vw;
    color: #F85E1B;
}

#BV4900S .sect7 .box .msg {
    margin-top: 3%;
    margin-bottom: 5%;
    color: #FFFFFF;
    font-size: 1.25vw;
    font-weight: 400;
    line-height: 1.3;
}

#BV4900S .sect7 .box .p2 {
    color: #FFFFFF;
}

#BV4900S .sect7 .box-1 ul {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

#BV4900S .sect7 .box-1 ul .msg {
    color: #FFFFFF;
    margin-top: 5px;
}

#BV4900S .sect7 .box-2 {
    text-align: left;
}

#BV4900S .sect7 .box-2 .item-ul-1 {
    font-size: 0;
    margin-top: 5vw;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 {
    vertical-align: middle;
    width: 40%;
    display: inline-block;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word {
    position: relative;
    padding-left: 20%;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word .tit {
    padding-top: 0;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word .tit img {
    display: none;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word li {
    display: inline-block;
    width: 48%;
    margin: 2% 1%;
    text-align: center;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word li img {
    margin: 0 auto;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word li .text {
    margin-top: 5px;
    line-height: 1.3;
    font-size: 1vw;
    color: white;
}

#BV4900S .sect7 .box-2 .item-ul-1 .item-li-1 .word::before {
    content: url(images/bv6600e-sect8-icon-1-2021090106550014.webp);
    position: absolute;
    left: 10%;
    top: 3.5%;
}

#BV4900S .sect7 .box-2 .item-ul-1 .imgBox {
    width: 35vw;
}

#BV4900S .sect7 .box-2 .item-ul-1 .imgBox2 img {
    max-width: 468px;
}

#BV4900S .sect7 .box-2 .item-ul-2 {
    text-align: right;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word {
    padding-left: 0;
    padding-right: 20%;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .length {
    font-size: 1.1vw;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: right;
    margin-top: 10px;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .length p:first-child {
    width: 100px;
    padding-right: 10px;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .length .line-box {
    width: 12vw;
    position: relative;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .length .line-box .fire {
    position: absolute;
    right: -35px;
    bottom: 0;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .category-box {
    display: flex;
    justify-content: space-around;
    color: #fff;
    font-size: 1vw;
    width: 60%;
    margin: 0 auto;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .category-box .category-box-item {
    position: relative;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .category-box .category-box-item::before {
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 10px;
    background: #FF5C1B;
    content: "";
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .category-box .category-box-item-2::before {
    background: #8a8a8a;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word .ls-is-cached {
    width: 14vw;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word::before {
    left: auto;
    right: 10%;
    top: 3.5%;
    transform: rotate(180deg);
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word ul {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word ul li:last-child p {
    margin-right: -30%;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word ul li:nth-child(1) p {
    margin-left: -15%;
}

#BV4900S .sect7 .box-2 .item-ul-2 .item-li-1 .word ul li {
    width: 40%;
}

#BV4900S .sect7 .box-2 .item-ul-3 .item-li-1 .wordBox {
    display: none;
}

#BV4900S .sect7 .box-2 .item-ul-3 .item-li-1 .img1 {
    max-width: 278px;
}

#BV4900S .sect7 .box-2 .item-ul-3 .item-li-1 .length {
    font-size: 1.1vw;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: right;
    margin-top: 10px;
}

#BV4900S .sect7 .box-2 .item-ul-3 .item-li-1 .length p:first-child {
    width: 100px;
    padding-right: 10px;
}

#BV4900S .sect7 .box-2 .item-ul-3 .item-li-1 .length .line-box {
    width: 12vw;
}

#BV4900S .sect8 {
    background: #000;
}

#BV4900S .sect8 .p1 {
    text-align: center;
    width: 40%;
    margin: 0 auto;
    padding-top: 3vw;
    font-size: 1.25vw;
    line-height: 1.5;
    color: #fff;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect8 .p1 {
        font-size: .75em;
    }
}

#BV4900S .sect8 .sect8-box {
    position: absolute;
    top: 3vw;
    left: 0;
    right: 0;
}

#BV4900S .sect8 .sect8-box ul {
    margin-top: 2vw;
    display: flex;
    justify-content: center;
}

#BV4900S .sect8 .sect8-box ul li {
    text-align: center;
    width: 8vw;
}

#BV4900S .sect8 .sect8-box ul .p2 {
    color: #FF5C1B;
    font-size: 3vw;
}

#BV4900S .sect8 .sect8-box ul .p2 span {
    font-size: 1vw;
}

#BV4900S .sect8 .sect8-box ul .p3 {
    font-size: 1vw;
    color: #fff;
}

#BV4900S .sect9 .sect9-box {
    position: absolute;
    top: 2vw;
    left: 0;
    right: 0;
}

#BV4900S .sect9 .sect9-box .p1 {
    text-align: left;
    width: 25%;
    margin: 5vw 25%;
    padding-top: 3vw;
    font-size: 1.25vw;
    line-height: 1.5;
    color: #fff;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect9 .sect9-box .p1 {
        font-size: .85em;
    }
}

#BV4900S .sect10 .sect10-box .p1 {
    padding-top: 2vw;
}

#BV4900S .sect10 .sect10-box ul {
    margin-top: 1.5vw;
}

#BV4900S .sect10 .sect10-box ul li {
    width: auto;
}

#BV4900S .sect10 .sect10-box ul li .p3 {
    margin-top: 1vw;
}

#BV4900S .sect10 .sect10-box ul .middle {
    margin: 0 4vw;
}

#BV4900S .sect11 .sect11-box .p1 {
    width: 55%;
}

#BV4900S .sect11 .sect11-box ul li {
    width: 10vw;
}

#BV4900S .sect11 .sect11-box ul .p2 {
    font-size: 2vw;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect11 .sect11-box ul .p2 {
        font-size: .75em;
    }
    #BV4900S .sect8 .sect8-box ul .p2 {
        font-size: .85em;
    }
    #BV4900S .sect8 .sect8-box ul .p2 span {
        font-size: .65em;
    }
    #BV4900S .sect8 .sect8-box ul .p3 {
        font-size: .5em;
    }

    #BV4900S .sect8 .sect8-box ul .p2 img {
        width: 30px;
    }
    #BV4900S .sect8 .sect10-box ul .p3 {
        font-size: .75em;
    }
}

#BV4900S .sect12 {
    background: #000;
    padding-top: 2vw;
}

#BV4900S .sect12 .p1 {
    text-align: center;
    width: 40%;
    margin: 0 auto;
    padding: 3vw 0;
    font-size: 1.25vw;
    line-height: 1.5;
    color: #fff;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect12 .p1 {
        font-size: .85em;
    }
}

#BV4900S .sect14 .sect14-box {
    top: 3vw;
}

#BV4900S .sect15 ul {
    position: absolute;
    right: 15%;
    top: 20%;
    width: 25vw;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

#BV4900S .sect15 ul li {
    width: 11vw;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-top: 2vw;
}

#BV4900S .sect15 ul li .circle {
    width: 30px;
    height: 30px;
    border-radius: 30px;
}

#BV4900S .sect15 ul li .black {
    background: #525352;
}

#BV4900S .sect15 ul li .green {
    background: #33A610;
}

#BV4900S .sect15 ul li .orange {
    background: #FA5D00;
}

#BV4900S .sect15 ul li .yellow {
    background: #EBB620;
}

#BV4900S .sect15 ul li p {
    margin-top: 1vw;
    color: #fff;
    font-size: 1.25vw;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect15 ul li p {
        margin-top: 0;
        font-size: .7em;
    }
}

#BV4900S .sect16 {
    padding: 3vw 0;
    background: #F5F5F7;
}

#BV4900S .sect16 .sect16-box {
    width: 70%;
    margin: 0 auto;
}

#BV4900S .sect16 .sect16-box .product-name {
    padding-bottom: 2vw;
    font-size: 2.5vw;
    color: #FF5C1B;
}

#BV4900S .sect16 .sect16-box .sect16-content {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}

#BV4900S .sect16 .sect16-box .item-list {
    line-height: 2;
    width: 46%;
    display: flex;
    text-align: left;
    color: #000;
}

#BV4900S .sect16 .sect16-box .item-list p {
    white-space: nowrap;
}

#BV4900S .sect16 .sect16-box .item-list .item-box {
    padding: 20px;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-1 {
    padding-left: 0;
    color: #202020;
    font-size: 1.25vw;
    width: 8vw;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-2 {
    width: 11.5vw;
    opacity: .6;
    color: #0F0F0F;
    font-size: 1vw;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-2 .black {
    background: #525352;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-2 .green {
    background: #33A610;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-2 .orange {
    background: #FA5D00;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-2 .yellow {
    background: #EBB620;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-3 {
    width: 13.5vw;
    color: #202020;
    font-size: 1vw;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-3 span {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 20px;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-3 .black {
    background: #525352;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-3 .green {
    background: #33A610;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-3 .orange {
    background: #FA5D00;
}

#BV4900S .sect16 .sect16-box .item-list .item-box-3 .yellow {
    background: #EBB620;
}

#BV4900S .sect16 .sect16-box .item-list:nth-child(1), #BV4900S .sect16 .sect16-box .item-list:nth-child(3) {
    border-right: 1px solid #DCDCDC;
    border-bottom: 1px solid #DCDCDC;
}

#BV4900S .sect16 .sect16-box .item-list:nth-child(2), #BV4900S .sect16 .sect16-box .item-list:nth-child(4) {
    border-bottom: 1px solid #DCDCDC;
}

#BV4900S .sect16 .sect16-box .item-list:nth-child(5) {
    border-right: 1px solid #DCDCDC;
}

#BV4900S .sect16 .sect16-box .item-list:nth-child(2), #BV4900S .sect16 .sect16-box .item-list:nth-child(4), #BV4900S .sect16 .sect16-box .item-list:nth-child(6) {
    padding-left: 20px;
}

@media screen and (max-width: 580px) {
    #BV4900S .sect16 .sect16-box .item-list .item-box-1,
    #BV4900S .sect16 .sect16-box .item-list .item-box-2,
    #BV4900S .sect16 .sect16-box .item-list .item-box-3 {
        font-size: .65em;
    }
    #BV4900S .sect16 .sect16-box .item-list .item-box-3 span {
        width: 13px;
        height: 13px;
        border-radius: 50%;
    }
}

@media screen and (max-width: 800px) and (min-width: 200px) {
    #BV4900S .font-gold {
        font-size: 20px;
    }
    #BV4900S .font-title {
        font-size: 26px;
    }
    #BV4900S .font-txt {
        font-size: 20px;
        line-height: 20px;
    }
    #BV4900S .bv-pc {
        display: none;
    }
    #BV4900S .bv-phone {
        display: inline-block;
    }
    #BV4900S .sect1 {
        height: calc(1.35 * 100vw);
    }
    #BV4900S .sect1 .sect-box {
        width: 100%;
        top: 5%;
        left: unset;
        text-align: center;
    }
    #BV4900S .sect1 .sect-box .product-name img {
        width: 45%;
    }
    #BV4900S .sect1 .sect-box .p1 {
        font-size: 16px;
    }
    #BV4900S .sect1 .sect-box .sect1-item {
        width: 100%;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }
    #BV4900S .sect1 .sect-box .sect1-item .sect1-item-list {
        width: 45%;
    }
    #BV4900S .sect1 .sect-box .sect1-item .sect1-item-list .left-box {
        width: 20px;
        margin-right: 10px;
    }
    #BV4900S .sect1 .sect-box .sect1-item .sect1-item-list .left-box img {
        width: 100%;
    }
    #BV4900S .sect2 {
        height: calc(2.4* 100vw);
        background-image: url(images/sect2-7-phone.png);
    }
    #BV4900S .sect2 .sect2-box {
        width: 100%;
        margin: 0 auto;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item {
        position: relative;
        width: 90%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item .p1 {
        position: absolute;
        top: 0;
        left: 0;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item .img-1 {
        width: 100%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item .img-2 {
        width: 45%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item:nth-child(2) {
        margin: 0 5px;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-2 {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-2 .sect2-box-item {
        width: 44%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-2 .sect2-box-item img {
        width: 100%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item-1 .p1 {
        top: unset;
        left: 5%;
        bottom: 2px;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item-2 .p1 {
        top: 35%;
        left: unset !important;
        right: 1%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item-3 .p1 {
        top: 50%;
        transform: translateY(-50%);
        left: 10%;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item-4 .p1 {
        top: unset;
        left: 5%;
        bottom: 5px;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item-5 .p1 {
        top: unset;
        bottom: 2px;
    }
    #BV4900S .sect2 .sect2-box .sect2-box-item-6 .p1 {
        top: 5%;
        left: unset;
    }
    #BV4900S .sect3 {
        height: calc(0.88 * 100vw);
        background-image: url(images/sect3-1-phone.png);
    }
    #BV4900S .sect3 .p1 {
        width: 80%;
    }
    #BV4900S .sect4 .sect4-box {
        width: 90%;
        margin: 0 auto 30px;
    }
    #BV4900S .sect4 .sect4-box .left {
        width: 30%;
    }
    #BV4900S .sect4 .sect4-box .left img {
        width: 65%;
    }
    #BV4900S .sect4 .sect4-box .right {
        width: 70%;
    }
    #BV4900S .sect5 .p1 {
        width: 90%;
    }
    #BV4900S .sect5 .sect5-box .sect5-img-item {
        width: 30%;
    }
    #BV4900S .sect6 .sect6-box {
        width: 90%;
        margin: 10px auto 0 auto;
    }
    #BV4900S .sect6 .sect6-box img {
        width: 100%;
    }
    #BV4900S .sect6 .sect6-box-1 {
        display: flex;
        justify-content: space-between;
    }
    #BV4900S .sect6 .sect6-box-1 .sect6-box-item {
        width: 49%;
    }
    #BV4900S .sect7-phone {
        background: #000;
    }
    #BV4900S .sect7-phone-box {
        background: #000;
        width: 95%;
        margin: 0 auto;
    }
    #BV4900S .sect7-phone-box .item-list {
        width: 100%;
        padding: 20px 0;
    }
    #BV4900S .sect7-phone-box .item-list .item-content {
        margin-top: 30px;
        position: relative;
        padding-left: 20px;
    }
    #BV4900S .sect7-phone-box .item-list .item-content .p1 {
        position: relative;
        color: #F95B1C;
        font-size: 20px;
    }
    #BV4900S .sect7-phone-box .item-list .item-content .p1:before {
        position: absolute;
        left: -7%;
        top: -30%;
        content: url(images/bv4900e-sect8-icon-1-2021090106550014.webp);
        transform: rotate(90deg) scale(0.6);
    }
    #BV4900S .sect7-phone-box .item-list .item-content .p2 {
        color: #fff;
        font-size: 16px;
    }
    #BV4900S .sect7-phone-box .item-list-1 ul {
        width: 100%;
        display: flex;
        justify-content: center;
    }
    #BV4900S .sect7-phone-box .item-list-1 ul li {
        margin-top: 10px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: center;
        text-align: center;
    }
    #BV4900S .sect7-phone-box .item-list-1 ul li img {
        width: 30px;
    }
    #BV4900S .sect7-phone-box .item-list-1 ul li .p3 {
        margin-top: 5px;
        font-size: 12px;
        color: #fff;
    }
    #BV4900S .sect8 .p1 {
        width: 90%;
    }
    #BV4900S .sect9 .sect9-box .p1 {
        width: 42%;
        margin: 5vw 5%;
    }
    #BV4900S .sect11 .sect11-box .p1 {
        width: 95%;
    }
    #BV4900S .sect11 .sect11-box ul li {
        width: 20%;
    }
    #BV4900S .sect12 .p1 {
        width: 90%;
    }
    #BV4900S .sect15 ul {
        width: 35%;
        right: 0;
        flex-direction: column;
    }
    #BV4900S .sect15 ul li {
        width: 100%;
        justify-content: unset;
        flex-direction: unset;
    }
    #BV4900S .sect15 ul li .circle {
        width: 17px;
        height: 17px;
        border-radius: 20px;
        margin-right: 5px;
    }
    #BV4900S .sect16 .sect16-box {
        width: 100%;
        box-sizing: border-box;
    }
    #BV4900S .sect16 .sect16-box .product-name {
        padding-left: 10px;
        font-size: 24px;
    }
    #BV4900S .sect16 .sect16-box .item-list {
        width: 100%;
    }
    #BV4900S .sect16 .sect16-box .item-list .item-box {
        padding: 10px;
    }
    #BV4900S .sect16 .sect16-box .item-list .item-box-1 {
        width: 20%;
    }
    #BV4900S .sect16 .sect16-box .item-list .item-box-2 {
        width: 30%;
    }
    #BV4900S .sect16 .sect16-box .item-list .item-box-3 {
        width: 50%;
    }
    #BV4900S .sect16 .sect16-box .item-list:nth-child(2), #BV4900S .sect16 .sect16-box .item-list:nth-child(4), #BV4900S .sect16 .sect16-box .item-list:nth-child(6) {
        padding-left: 0px;
    }
}