/* -------------- common start -------------- */
.b520 {
  position: relative;
  box-sizing: border-box;
  line-height: 1.6;
  letter-spacing: calc(-0.037em + 0.526px);
}

.b520 * {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.b520 a {
  color: inherit;
}

.b520 picture,
.b520 img {
  width: 100%;
  display: block;
}

.b520 .blur-up {
  filter: blur(5px);
  transition: filter 400ms;
}

.b520 .blur-up.lazyloaded {
  filter: blur(0);
}

.b520 .lazyload:not([src]) {
  display: none;
}

.b520 .is-cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.b520 .nowrap {
  white-space: nowrap;
}

.b520 sub.no-click,
.b520 sup.no-click,
.b520 sub.yes-click,
.b520 sup.yes-click {
  position: relative;
  vertical-align: baseline;
  line-height: 0;
  font-size: 64%;
}

.b520 sub.yes-click,
.b520 sup.yes-click {
  cursor: pointer;
}

.b520 sub.no-click,
.b520 sub.yes-click {
  bottom: -0.5em;
}

.b520 sup.no-click,
.b520 sup.yes-click {
  top: -0.5em;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 sup.no-click,
  .b520 sup.yes-click {
    top: -0.7em;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 sup.no-click,
  .b520 sup.yes-click {
    top: -0.7em;
  }
}

.b520 .hidden {
  display: none !important;
}

.b520 .is-scroll {
  transition: transform 0.5s cubic-bezier(0, 0.6, 0.3, 1);
  -ms-transition: none;
  will-change: transform;
}

@media screen and (max-width: 1365px), screen and (max-aspect-ratio: 1 / 1), screen and (max-width: 1366px) and (min-height: 800px) {
  .b520 .is-scroll {
    transition: none;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .is-scroll {
    transition: none;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .is-scroll {
    transition: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .is-scroll {
    transition: none;
  }
}

.b520 .is-opacity {
  transition: opacity 0.5s cubic-bezier(0, 0.6, 0.3, 1);
  -ms-transition: none;
}

.b520 .is-toggle {
  opacity: 0;
  z-index: -999 !important;
}

.b520 .is-sticky {
  position: sticky !important;
  top: 0;
}

.b520 .common-row {
  display: flex;
  flex-wrap: wrap;
}

.b520 .col-1,
.b520 .col-2,
.b520 .col-3,
.b520 .col-4,
.b520 .col-5,
.b520 .col-6,
.b520 .col-7,
.b520 .col-8,
.b520 .col-9,
.b520 .col-10,
.b520 .col-11,
.b520 .col-12,
.b520 .col,
.b520 .col-auto,
.b520 .col-mob-1,
.b520 .col-mob-2,
.b520 .col-mob-3,
.b520 .col-mob-4,
.b520 .col-mob-5,
.b520 .col-mob-6,
.b520 .col-mob-7,
.b520 .col-mob-8,
.b520 .col-mob-9,
.b520 .col-mob-10,
.b520 .col-mob-11,
.b520 .col-mob-12,
.b520 .col-mob,
.b520 .col-mob-auto {
  position: relative;
  width: 100%;
}

.b520 .col {
  flex-basis: 0;
  flex-grow: 1;
  max-width: 100%;
}

.b520 .col-auto {
  flex: 0 0 auto;
  width: auto;
  max-width: 100%;
}

.b520 .col-1 {
  flex: 0 0 8.333333%;
  max-width: 8.333333%;
}

.b520 .col-2 {
  flex: 0 0 16.666667%;
  max-width: 16.666667%;
}

.b520 .col-3 {
  flex: 0 0 25%;
  max-width: 25%;
}

.b520 .col-4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.b520 .col-5 {
  flex: 0 0 41.666667%;
  max-width: 41.666667%;
}

.b520 .col-6 {
  flex: 0 0 50%;
  max-width: 50%;
}

.b520 .col-7 {
  flex: 0 0 58.333333%;
  max-width: 58.333333%;
}

.b520 .col-8 {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.b520 .col-9 {
  flex: 0 0 75%;
  max-width: 75%;
}

.b520 .col-10 {
  flex: 0 0 83.333333%;
  max-width: 83.333333%;
}

.b520 .col-11 {
  flex: 0 0 91.666667%;
  max-width: 91.666667%;
}

.b520 .col-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

.b520 .order-first {
  order: -1;
}

.b520 .order-last {
  order: 13;
}

.b520 .order-0 {
  order: 0;
}

.b520 .order-1 {
  order: 1;
}

.b520 .order-2 {
  order: 2;
}

.b520 .order-3 {
  order: 3;
}

.b520 .order-4 {
  order: 4;
}

.b520 .order-5 {
  order: 5;
}

.b520 .order-6 {
  order: 6;
}

.b520 .order-7 {
  order: 7;
}

.b520 .order-8 {
  order: 8;
}

.b520 .order-9 {
  order: 9;
}

.b520 .order-10 {
  order: 10;
}

.b520 .order-11 {
  order: 11;
}

.b520 .order-12 {
  order: 12;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .col-mob {
    flex-basis: 0;
    flex-grow: 1;
    max-width: 100%;
  }
  .b520 .col-mob-auto {
    flex: 0 0 auto;
    width: auto;
    max-width: 100%;
  }
  .b520 .col-mob-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }
  .b520 .col-mob-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }
  .b520 .col-mob-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }
  .b520 .col-mob-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  .b520 .col-mob-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }
  .b520 .col-mob-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
  .b520 .col-mob-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }
  .b520 .col-mob-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }
  .b520 .col-mob-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }
  .b520 .col-mob-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }
  .b520 .col-mob-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }
  .b520 .col-mob-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  .b520 .order-first {
    order: -1;
  }
  .b520 .order-last {
    order: 13;
  }
  .b520 .order-0 {
    order: 0;
  }
  .b520 .order-1 {
    order: 1;
  }
  .b520 .order-2 {
    order: 2;
  }
  .b520 .order-3 {
    order: 3;
  }
  .b520 .order-4 {
    order: 4;
  }
  .b520 .order-5 {
    order: 5;
  }
  .b520 .order-6 {
    order: 6;
  }
  .b520 .order-7 {
    order: 7;
  }
  .b520 .order-8 {
    order: 8;
  }
  .b520 .order-9 {
    order: 9;
  }
  .b520 .order-10 {
    order: 10;
  }
  .b520 .order-11 {
    order: 11;
  }
  .b520 .order-12 {
    order: 12;
  }
}

.b520 .common-spacing {
  height: 10.41667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-spacing {
    height: 27.77778vw;
  }
}

.b520 .common-video {
  position: relative;
  width: 100%;
  height: 100%;
}

.b520 .common-container {
  z-index: 3;
  position: relative;
  margin: 0 auto;
  width: 82.29167vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-container {
    width: 83.33333vw;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-summary {
    width: 83.33333vw;
    margin: 0 auto;
  }
}

.b520 .common-pb {
  margin-bottom: 2.08333vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-pb {
    margin-bottom: 5.55556vw;
  }
}

.b520 .common-title {
  position: relative;
  font-size: 3.33333vw;
  line-height: 1.25;
  font-weight: 500;
  color: #000;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-title {
    width: 100%;
    font-size: 6.66667vw;
  }
}

.b520 .common-title.common-title2 {
  font-size: 2.5vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-title.common-title2 {
    font-size: 6.66667vw;
  }
}

.b520 .common-desc {
  font-size: 1.66667vw;
  line-height: 1.6;
  font-weight: 400;
  color: #000;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-desc {
    width: 100%;
    font-size: 3.61111vw;
  }
}

.b520 .common-more-btn {
  font-size: 0.83333vw;
  font-weight: 700;
  line-height: 1.6;
  color: #1f71ff;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-more-btn {
    font-size: 3.88889vw;
  }
}

.b520 .common-more-btn2 {
  display: inline-block;
  font-size: 0.83333vw;
  font-weight: 500;
  color: #171717;
  line-height: 3.02083vw;
  height: 3.02083vw;
  border: 1px solid #707070;
  border-radius: 4.6875vw;
  padding: 0 1.25vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .common-more-btn2 {
    font-size: 2.77778vw;
    line-height: 10.97222vw;
    height: 10.97222vw;
    border-radius: 12.5vw;
    padding: 0 5.55556vw;
  }
}

.b520 .common-more-btn2.white-font {
  color: #fff;
}

.b520 .cf:before,
.b520 .cf:after {
  content: " ";
  display: table;
}

.b520 .cf:after {
  clear: both;
}

.b520 .cf {
  zoom: 1;
}

.b520 .text-left {
  text-align: left !important;
}

.b520 .text-right {
  text-align: right !important;
}

.b520 .text-center {
  text-align: center !important;
}

.b520 #trigger-block {
  position: relative;
}

.b520 .last-notes {
  position: relative;
  padding-bottom: 120px;
}

.b520 .last-notes .last-notes-container {
  position: relative;
  width: 68.22917vw;
  margin: 0 auto;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .last-notes .last-notes-container {
    width: 91.66667vw;
    padding: 0;
  }
}

.b520 .last-notes .last-notes-container .notes-list {
  list-style: decimal;
  margin: 0;
  padding-right: 1.25vw;
  font-size: 0.67708vw;
  line-height: 1.6;
  font-weight: 400;
  color: #777;
}

@media screen and (max-width: 1773px) {
  .b520 .last-notes .last-notes-container .notes-list {
    font-size: 12px;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .last-notes .last-notes-container .notes-list {
    padding-right: 5.27778vw;
    font-size: 3.05556vw;
  }
}

.b520 .last-notes .last-notes-container .notes-list > li.current {
  color: #000;
}

.b520 .last-notes .last-notes-container .notes-list > li i {
  font-weight: normal;
  white-space: pre-wrap;
  word-break: break-all;
}

.b520 .last-notes .last-notes-container .notes-list > li a {
  color: #61aefc;
  word-wrap: break-word;
  word-break: break-all;
}

.b520 .last-notes .last-notes-container .notes-list .last,
.b520 .last-notes .last-notes-container .notes-list .last2 {
  position: relative;
  list-style: none;
}

.b520 .last-notes .last-notes-container .notes-list .last::before,
.b520 .last-notes .last-notes-container .notes-list .last2::before {
  content: "*";
  position: absolute;
  top: 0.15625vw;
  left: -0.67708vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .last-notes .last-notes-container .notes-list .last::before,
  .b520 .last-notes .last-notes-container .notes-list .last2::before {
    top: 0.55556vw;
    left: -1.38889vw;
  }
}

.b520 .last-notes .last-notes-container .notes-list .last2::before {
  content: "**";
}

.b520 .cbg-backtotop {
  position: fixed;
  z-index: 200;
  bottom: 90px;
  right: 50px;
}

.b520 .cbg-backtotop a {
  display: block;
  width: 40px;
  height: 40px;
  margin: 5px 0;
  text-indent: -9999px;
  background: url(https://consumer.huawei.com/content/dam/huawei-cbg-site/common/mkt/pdp/store/img/sprites_cbg_icon.png) no-repeat;
  opacity: 0.6;
  filter: alpha(opacity=80);
  transition: all linear 0.2s;
}

.b520 .cbg-backtotop a.cbg-icon-backtotop {
  background-position: -549px -188px;
}

.b520 .cbg-backtotop a.hidden {
  opacity: 0;
  filter: alpha(opacity=0);
  cursor: default;
}

.b520 .cbg-backtotop a.cbg-icon-backtohome {
  background-position: -549px -148px;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .show-pc {
    display: none !important;
  }
}

@media (min-width: 768px) and (max-width: 1200px) and (max-aspect-ratio: 1 / 1) {
  .hide-pad {
    display: none !important;
  }
}

.show-pad {
  display: none !important;
}

@media (min-width: 768px) and (max-width: 1200px) and (max-aspect-ratio: 1 / 1) {
  .show-pad {
    display: block !important;
  }
}

.show-mob {
  display: none !important;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .show-mob {
    display: block !important;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .hidden-ie {
    display: none !important;
  }
}

@supports (-ms-ime-align: auto) {
  .hidden-ie {
    display: none !important;
  }
}

.show-ie {
  display: none !important;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .show-ie {
    display: block !important;
  }
}

@supports (-ms-ime-align: auto) {
  .show-ie {
    display: block !important;
  }
}

/* -------------- common end -------------- */
.b520 {
  overflow: hidden;
}

.b520 .b520-large-title {
  font-weight: 700;
  font-size: 4.16667vw;
  line-height: 1.25;
  text-align: center;
  padding: 10.41667vw 0;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-large-title {
    font-size: 8.88889vw;
    padding: 27.77778vw 0;
  }
}

.b520 .b520-large-title.is-trans {
  opacity: 0;
  transform: scale(1.8);
}

.b520 .b520-sec1 {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 50vw;
  color: #fff;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec1 {
    height: 134.72222vw;
  }
}

.b520 .b520-sec1 .b520-sec1-summary {
  position: absolute;
  top: 21.875vw;
  right: 3.54167vw;
  width: 35.15625vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec1 .b520-sec1-summary {
    width: 68.61111vw;
    top: 101.94444vw;
    right: 15.69444vw;
  }
}

.b520 .b520-sec1 .b520-sec1-summary .b520-sec1-slogan {
  padding-bottom: 1.04167vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec1 .b520-sec1-summary .b520-sec1-slogan {
    padding-bottom: 1.38889vw;
  }
}

.b520 .b520-sec1 .b520-sec1-summary .b520-sec1-desc {
  font-size: 2.5vw;
  text-align: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec1 .b520-sec1-summary .b520-sec1-desc {
    font-size: 4.86111vw;
  }
}

.b520 .b520-sec1 .b520-sec1-note {
  position: absolute;
  bottom: 2.8125vw;
  right: 3.125vw;
  text-align: right;
  font-size: 0.67708vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec1 .b520-sec1-note {
    bottom: 2.77778vw;
    right: 8.33333vw;
    font-size: 1.80556vw;
  }
}

.b520 .b520-sec1 .b520-sec1-note > a {
  font-size: 0.72917vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec1 .b520-sec1-note > a {
    font-size: 2.22222vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row {
  margin: -0.41667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row {
    margin: -0.69444vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row .b520-sec2-item {
  padding: 0.41667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item {
    padding: 0.69444vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6 {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  height: 15.78125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6 {
    height: 24.16667vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img::after, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6::after {
  content: "";
  position: absolute;
  width: 1.97917vw;
  height: 1.97917vw;
  right: 1.04167vw;
  bottom: 0.72917vw;
  border-radius: 100%;
  transform: rotate(0deg);
  overflow: hidden;
  background: #d4e2fe url(/content/dam/huawei-cbg-site/common/mkt/pdp-arab/desktops/matestation-b520/img/icon/b520-arrow.svg) center;
  background-size: 1.97917vw 1.97917vw;
  transition: background 0.3s ease;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img::after, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6::after {
    width: 3.05556vw;
    height: 3.05556vw;
    right: 2.5vw;
    bottom: 1.52778vw;
    background-size: 3.05556vw 3.05556vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img:hover::after, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6:hover::after {
  background-position: top 1.97917vw center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img:hover::after, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6:hover::after {
    background-position: top 3.05556vw center;
  }
}

.b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img .b520-sec2-text, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6 .b520-sec2-text {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
  padding: 1.04167vw 1.5625vw;
  font-weight: 700;
  font-size: 1.66667vw;
  color: #fff;
  letter-spacing: -1px;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img .b520-sec2-text, .b520 .b520-sec2 .b520-sec2-row .b520-sec2-item .b520-sec2-img6 .b520-sec2-text {
    padding: 1.11111vw;
    font-size: 3.05556vw;
    letter-spacing: normal;
  }
}

.b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(4) .b520-sec2-img {
  height: 24.16667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(4) .b520-sec2-img {
    height: 24.16667vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(4) .b520-sec2-img .b520-sec2-text {
  color: #000;
}

.b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(5) .b520-sec2-img {
  height: 24.16667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(5) .b520-sec2-img {
    height: 28.33333vw;
  }
}

.b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(6) .b520-sec2-img, .b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(6) .b520-sec2-img6 {
  height: 24.16667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(6) .b520-sec2-img, .b520 .b520-sec2 .b520-sec2-row .col-4:nth-child(6) .b520-sec2-img6 {
    height: 28.33333vw;
  }
}

.b520 .b520-sec4 .b520-sec4-summary {
  text-align: center;
  padding: 0 5.72917vw 2.60417vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec4 .b520-sec4-summary {
    padding: 0 0 6.94444vw;
  }
}

.b520 .b520-sec4 .b520-sec4-img {
  width: 100%;
  height: 40.36458vw;
  border-radius: 1.04167vw;
  transform: rotate(0deg);
  overflow: hidden;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec4 .b520-sec4-img {
    border-radius: 2.77778vw;
    height: 48.61111vw;
  }
}

.b520 .b520-sec5 .b520-sec5-summary {
  text-align: center;
  padding: 0 5.72917vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec5 .b520-sec5-summary {
    padding: 0;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec5 .b520-sec5-summary .b520-sec5-icons {
    font-size: 0;
  }
}

.b520 .b520-sec5 .b520-sec5-summary .b520-sec5-icon {
  vertical-align: top;
  display: inline-block;
  width: 18.75vw;
  padding: 2.60417vw 1.04167vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec5 .b520-sec5-summary .b520-sec5-icon {
    width: 33%;
    padding: 5.55556vw 0;
    font-size: 3.05556vw;
  }
}

.b520 .b520-sec5 .b520-sec5-summary .b520-sec5-icon img {
  display: inline-block;
  width: 3.17708vw;
  height: 3.17708vw;
  margin-bottom: 0.26042vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec5 .b520-sec5-summary .b520-sec5-icon img {
    width: 8.47222vw;
    height: 8.47222vw;
    margin-bottom: 0.69444vw;
  }
}

.b520 .b520-sec5 .b520-sec5-img {
  width: 100%;
  height: 40.36458vw;
  border-radius: 1.04167vw;
  transform: rotate(0deg);
  overflow: hidden;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec5 .b520-sec5-img {
    border-radius: 2.77778vw;
    height: 48.61111vw;
  }
}

.b520 .b520-sec6 .b520-sec6-summary {
  text-align: center;
  padding: 0 9.89583vw 7.8125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec6 .b520-sec6-summary {
    padding: 0 0 20.83333vw;
  }
}

.b520 .b520-sec6 .b520-sec6-img {
  position: relative;
  width: 46.40625vw;
  height: 37.08333vw;
  margin-right: 27.6vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec6 .b520-sec6-img {
    margin-left: 8.33333vw;
    transform: scale(1.4);
    height: 43.05556vw;
  }
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens {
  position: absolute;
  width: 45.88542vw;
  height: 25.78125vw;
  left: 0.28646vw;
  top: 0.41667vw;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens .b520-sec6-screens-wrap {
  position: relative;
  width: 100%;
  height: 25.78125vw;
  overflow: hidden;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens .b520-sec6-screens-wrap .b520-sec6-screen1 {
  width: 45.78125vw;
  height: 26.51042vw;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.8s ease-in-out;
  transform-origin: left top;
  will-change: transform;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens .b520-sec6-screens-wrap .b520-sec6-screen2 {
  width: 45.78125vw;
  height: 26.51042vw;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.8s ease-in-out;
  transform-origin: left top;
  will-change: transform;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens .b520-sec6-screens-wrap .b520-sec6-screen3 {
  width: 45.78125vw;
  height: 26.51042vw;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.8s ease-in-out;
  transform-origin: left top;
  will-change: transform;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens .b520-sec6-screens-wrap .b520-sec6-screen4 {
  width: 45.78125vw;
  height: 26.51042vw;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.8s ease-in-out;
  transform-origin: left top;
  will-change: transform;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens .b520-sec6-screens-wrap .b520-sec6-screen5 {
  width: 45.78125vw;
  height: 26.51042vw;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.8s ease-in-out;
  transform-origin: left top;
  will-change: transform;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap {
  overflow: visible;
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen1 {
  transform: translate(-46%, -57%);
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen2 {
  transform: translate(-40%, -60%);
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen3 {
  transform: translate(-32%, -63%);
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen4 {
  transform: translate(-24%, -66%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen4 {
    transform: translate(-25%, -66%);
  }
}

.b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen5 {
  transform: translate(-14%, -69%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec6 .b520-sec6-img .b520-sec6-screens.active .b520-sec6-screens-wrap .b520-sec6-screen5 {
    transform: translate(-18%, -69%);
  }
}

.b520 .b520-sec6 .b520-sec6-note {
  padding-top: 1.30208vw;
  font-size: 0.67708vw;
  text-align: right;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec6 .b520-sec6-note {
    padding-top: 2.77778vw;
    font-size: 1.80556vw;
  }
}

.b520 .b520-sec7 {
  position: relative;
}

.b520 .b520-sec7 .b520-sec7-bg {
  width: 100%;
  height: 61.97917vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-bg {
    height: 192.5vw;
  }
}

.b520 .b520-sec7 .b520-sec7-summary {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  padding-top: 7.8125vw;
  padding-right: 47.29167vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary {
    padding: 27.77778vw 8.33333vw 0;
    text-align: center;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-title {
  width: 38.02083vw;
  color: #fff;
  margin-right: 6.25vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-title {
    width: 100%;
    margin-right: 0;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-desc {
  width: 38.02083vw;
  color: #fff;
  margin-right: 6.25vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-desc {
    width: 100%;
    margin-right: 0;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons {
  margin-right: 6.25vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons {
    text-align: right;
    position: absolute;
    width: 100%;
    padding-right: 8.33333vw;
    z-index: 1;
    left: 0;
    bottom: 11.80556vw;
    margin-right: 0;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon {
  font-size: 1.14583vw;
  color: #fff;
  padding: 1.04167vw 4.16667vw;
  background: no-repeat right 0.26042vw center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon {
    font-size: 3.05556vw;
    padding: 2.08333vw 9.72222vw;
    background: no-repeat right 0.83333vw center;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(1) {
  background-image: url(/content/dam/huawei-cbg-site/common/mkt/pdp-arab/desktops/matestation-b520/img/icon/sec7-icon1.svg);
  background-size: 2.39583vw 1.92708vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(1) {
    background-size: 5.97222vw 4.72222vw;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(2) {
  background-image: url(/content/dam/huawei-cbg-site/common/mkt/pdp-arab/desktops/matestation-b520/img/icon/sec7-icon2.svg);
  background-size: 2.34375vw 2.65625vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(2) {
    background-size: 5.83333vw 6.66667vw;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(3) {
  background-image: url(/content/dam/huawei-cbg-site/common/mkt/pdp-arab/desktops/matestation-b520/img/icon/sec7-icon3.svg);
  background-size: 2.23958vw 2.13542vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(3) {
    background-size: 5.55556vw 5.27778vw;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(4) {
  background-image: url(/content/dam/huawei-cbg-site/common/mkt/pdp-arab/desktops/matestation-b520/img/icon/sec7-icon4.svg);
  background-size: 2.76042vw 2.86458vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(4) {
    background-size: 6.94444vw 7.22222vw;
  }
}

.b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(5) {
  background-image: url(/content/dam/huawei-cbg-site/common/mkt/pdp-arab/desktops/matestation-b520/img/icon/sec7-icon5.svg);
  background-size: 2.55208vw 2.39583vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec7 .b520-sec7-summary .b520-sec7-icons .b520-sec7-icon:nth-child(5) {
    background-size: 6.38889vw 5.97222vw;
  }
}

.b520 .b520-sec9 .b520-sec9-row {
  margin: 0 -0.52083vw;
  display: flex;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row {
    flex-wrap: wrap;
    margin: 0;
    border-radius: 2.77778vw;
    transform: rotate(0deg);
    overflow: hidden;
  }
}

.b520 .b520-sec9 .b520-sec9-row.b520-sec9-row2 {
  margin-top: 1.25vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row.b520-sec9-row2 {
    margin-top: 2.77778vw;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-left,
.b520 .b520-sec9 .b520-sec9-row .b520-sec9-right {
  padding: 0 0.52083vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-left,
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-right {
    padding: 0;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-left {
  flex: 1 1 auto;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-left {
    max-width: 100%;
    flex: 0 0 100%;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-right {
  max-width: 46.35417vw;
  flex: 0 0 46.35417vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-right {
    max-width: 100%;
    flex: 0 0 100%;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-item {
  background-color: #f0f0f0;
  padding: 2.60417vw 1.04167vw;
  height: 100%;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-item {
    height: auto;
    padding: 6.94444vw 2.77778vw;
  }
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-item .b520-sec9-summary {
    width: 100%;
    text-align: center;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-item,
.b520 .b520-sec9 .b520-sec9-row .b520-sec9-img {
  border-radius: 1.04167vw;
  transform: rotate(0deg);
  overflow: hidden;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-item,
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-img {
    border-radius: 0;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-img1 {
  height: 30.9375vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-img1 {
    height: 56.38889vw;
  }
}

.b520 .b520-sec9 .b520-sec9-row .b520-sec9-img2 {
  height: 37.91667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec9 .b520-sec9-row .b520-sec9-img2 {
    height: 56.38889vw;
  }
}

.b520 .b520-sec10 {
  text-align: center;
}

.b520 .b520-sec10 .b520-sec10-summary {
  margin-bottom: 3.125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec10 .b520-sec10-summary {
    margin-bottom: 8.33333vw;
  }
}

.b520 .b520-sec10 .b520-sec10-items {
  width: 58.33333vw;
  margin: 0 auto;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec10 .b520-sec10-items {
    width: 100%;
  }
}

.b520 .b520-sec10 .b520-sec10-items .b520-sec10-item {
  height: 7.8125vw;
  text-align: center;
  font-size: 0.83333vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec10 .b520-sec10-items .b520-sec10-item {
    height: 20.83333vw;
    font-size: 2.22222vw;
  }
}

.b520 .b520-sec10 .b520-sec10-items .b520-sec10-item img {
  display: inline-block;
  width: 6.25vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec10 .b520-sec10-items .b520-sec10-item img {
    width: 16.66667vw;
  }
}

.b520 .b520-sec10 .b520-sec10-items .b520-sec10-item .b520-sec10-text {
  display: block;
  margin-top: -1.04167vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec10 .b520-sec10-items .b520-sec10-item .b520-sec10-text {
    margin-top: -2.77778vw;
  }
}

.b520 .b520-sec11 {
  text-align: center;
}

.b520 .b520-sec11 .b520-sec11-summary {
  margin-bottom: 3.125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec11 .b520-sec11-summary {
    margin-bottom: 8.33333vw;
  }
}

.b520 .b520-sec11 .b520-sec11-items {
  width: 58.33333vw;
  margin: 0 auto;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec11 .b520-sec11-items {
    width: 97.22222vw;
  }
}

.b520 .b520-sec11 .b520-sec11-items .b520-sec11-item {
  text-align: center;
}

.b520 .b520-sec11 .b520-sec11-items .b520-sec11-item img {
  display: inline-block;
  width: 11.5625vw;
  height: 12.65625vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec11 .b520-sec11-items .b520-sec11-item img {
    width: 19.44444vw;
    height: 21.25vw;
  }
}

.b520 .b520-sec11 .b520-sec11-items .b520-sec11-item .b520-sec11-text {
  display: block;
  font-size: 1.66667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec11 .b520-sec11-items .b520-sec11-item .b520-sec11-text {
    font-size: 2.91667vw;
  }
}

.b520 .b520-sec13 .common-container {
  display: flex;
  align-items: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec13 .common-container {
    flex-wrap: wrap;
    text-align: center;
    align-items: start;
  }
}

.b520 .b520-sec13 .b520-sec13-summary {
  max-width: 49.89583vw;
  flex: 0 0 49.89583vw;
  padding-right: 7.03125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec13 .b520-sec13-summary {
    max-width: 100%;
    flex: 0 0 100%;
    padding-right: 0;
    margin-bottom: 8.33333vw;
  }
}

.b520 .b520-sec13 .b520-sec13-summary .b520-sec13-desc {
  padding-left: 8.33333vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec13 .b520-sec13-summary .b520-sec13-desc {
    padding-left: 0;
  }
}

.b520 .b520-sec13 .b520-sec13-product {
  flex: 1 1 auto;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec13 .b520-sec13-product {
    max-width: 100%;
    flex: 0 0 100%;
  }
}

.b520 .b520-sec13 .b520-sec13-product .b520-sec13-img {
  width: 21.5625vw;
  height: 43.85417vw;
  display: inline-block;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec13 .b520-sec13-product .b520-sec13-img {
    width: 57.5vw;
    height: 116.94444vw;
  }
}

.b520 .b520-sec14 {
  overflow: hidden;
  position: relative;
  min-height: 100vh;
  padding-top: 7.8125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec14 {
    padding-top: 38.88889vw;
  }
}

.b520 .b520-sec14 .b520-sec14-summary {
  text-align: center;
  margin-bottom: 3.125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec14 .b520-sec14-summary {
    margin-bottom: 8.33333vw;
  }
}

.b520 .b520-sec14 .b520-sec14-product {
  position: relative;
  text-align: center;
}

.b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
  z-index: 3;
  position: relative;
  width: 41.92708vw;
  height: 33.22917vw;
  display: inline-block;
  transform: scale(2.5);
  transform-origin: center 37%;
  transition: transform 1s ease 0.2s;
}

@media screen and (min-width: 1919px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: scale(3);
    transform-origin: center 50%;
  }
}

@media screen and (max-width: 1900px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: scale(3.5);
  }
}

@media screen and (max-width: 1630px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: scale(4);
  }
}

@media screen and (max-width: 1460px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: scale(5);
  }
}

@media screen and (max-width: 1250px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: scale(6);
    transform-origin: center 30%;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    width: 83.19444vw;
    height: 65.83333vw;
    transform: scale(6);
    transform-origin: center 36%;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-img {
    transform: none;
  }
}

.b520 .b520-sec14 .b520-sec14-product .b520-sec14-img.active {
  transform: scale(1);
}

.b520 .b520-sec14 .b520-sec14-product .b520-sec14-note {
  z-index: 1;
  position: absolute;
  right: 2.60417vw;
  bottom: 0;
  width: 29.6875vw;
  display: flex;
  text-align: right;
  color: #808080;
  font-size: 0.83333vw;
  align-items: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-note {
    position: static;
    margin: 0 auto;
    width: 79.16667vw;
    font-size: 2.22222vw;
    padding-top: 4.16667vw;
  }
}

.b520 .b520-sec14 .b520-sec14-product .b520-sec14-note .b520-sec14-icon {
  width: 3.95833vw;
  height: 3.95833vw;
  flex: 0 0 3.95833vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-note .b520-sec14-icon {
    width: 9.16667vw;
    height: 9.16667vw;
    flex: 0 0 9.16667vw;
  }
}

.b520 .b520-sec14 .b520-sec14-product .b520-sec14-note .b520-sec14-note-desc {
  flex: 1 1 auto;
  padding-right: 0.52083vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec14 .b520-sec14-product .b520-sec14-note .b520-sec14-note-desc {
    padding-right: 2.08333vw;
  }
}

.b520 .b520-sec16 {
  overflow: hidden;
  position: relative;
  min-height: 100vh;
  padding-top: 10.41667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec16 {
    padding-top: 13.88889vw;
    display: flex;
    align-items: center;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec16 {
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec16 {
    transform: none;
  }
}

.b520 .b520-sec16 .b520-sec16-container {
  position: relative;
  text-align: center;
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals {
  z-index: 3;
  position: absolute;
  top: 22.5%;
  left: 50%;
  width: 17.39583vw;
  height: 10.41667vw;
  transform: scale(5) translate(9%, 9%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals {
    top: 16%;
    width: 33.75vw;
    height: 20.27778vw;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals {
    transform: translate(-50%, -20%);
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals {
    transform: translate(-50%, -20%);
  }
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-icon {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 5;
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-modal {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
  opacity: 0;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-modal {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-modal {
    opacity: 1;
  }
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-modal3 {
  z-index: 3;
  opacity: 1;
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-modal2 {
  z-index: 2;
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-color {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: #f1f3f5;
  overflow: hidden;
  border-radius: 0.36458vw;
  opacity: 0;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-color {
    background-color: #f1f3f5;
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-color {
    background-color: #f1f3f5;
    opacity: 1;
  }
}

@supports (-webkit-backdrop-filter: none) or (backdrop-filter: none) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-modals .b520-sec16-color {
    background: rgba(250, 250, 250, 0.6);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
  }
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-img {
  margin: 0 auto;
  width: 42.1875vw;
  height: 33.38542vw;
  transform: scale(0.01);
  opacity: 0;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-img {
    width: 83.33333vw;
    height: 65.83333vw;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-img {
    opacity: 1;
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-img {
    opacity: 1;
    transform: none;
  }
}

.b520 .b520-sec16 .b520-sec16-container .b520-sec16-summary {
  transform: translateY(270%);
  padding: 2.60417vw 10.15625vw 0;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-summary {
    padding: 6.94444vw 0 0;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-summary {
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec16 .b520-sec16-container .b520-sec16-summary {
    transform: none;
  }
}

.b520 .b520-sec17 {
  overflow: hidden;
  position: relative;
  height: 100vh;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 {
    height: auto;
  }
}

@media screen and (min-width: 665px) and (max-width: 745px) and (min-height: 670px) and (max-height: 780px) and (max-aspect-ratio: 1 / 1) {
  .b520 .b520-sec17 {
    padding-top: 27.77778vw;
  }
}

@media screen and (min-height: 665px) and (max-height: 745px) and (min-width: 670px) and (max-width: 780px) and (min-aspect-ratio: 1 / 1) {
  .b520 .b520-sec17 {
    padding-top: 27.77778vw;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 {
    height: auto;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 {
    height: auto;
  }
}

.b520 .b520-sec17 .b520-sec17-container {
  width: 73.95833vw;
  height: 100%;
  display: flex;
  align-items: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-container {
    width: 83.33333vw;
    display: block;
    height: auto;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-container {
    display: block;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-container {
    display: block;
  }
}

.b520 .b520-sec17 .b520-sec17-container1 {
  z-index: 5;
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-19.79167vw);
  background-color: #fff;
}

@media screen and (max-width: 1920px) {
  .b520 .b520-sec17 .b520-sec17-container1 {
    transform: translateY(-17.1875vw);
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-container1 {
    transform: none;
    position: static;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-container1 {
    position: static;
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-container1 {
    position: static;
    transform: none;
  }
}

.b520 .b520-sec17 .b520-sec17-container1::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 50vh;
  left: 0;
  bottom: 99%;
  background-color: #fff;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-container1::before {
    display: none;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-container1::before {
    display: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-container1::before {
    display: none;
  }
}

.b520 .b520-sec17 .b520-sec17-container1::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 50%;
  left: 0;
  top: 99%;
  background-color: #fff;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-container1::after {
    display: none;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-container1::after {
    display: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-container1::after {
    display: none;
  }
}

.b520 .b520-sec17 .b520-sec17-container1 .b520-sec17-summary1 {
  margin: 0 auto;
  width: 73.95833vw;
  text-align: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-container1 .b520-sec17-summary1 {
    width: 83.33333vw;
  }
}

.b520 .b520-sec17 .b520-sec17-content {
  display: flex;
  height: 100%;
  padding-top: 7.8125vw;
}

@media screen and (max-width: 1920px) {
  .b520 .b520-sec17 .b520-sec17-content {
    padding-top: 10.41667vw;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content {
    display: block;
    height: auto;
    padding-top: 0;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content {
    padding-top: 0;
    height: auto;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content {
    padding-top: 0;
    height: auto;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-left {
  max-width: 41.77083vw;
  flex: 0 0 41.77083vw;
  align-self: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-left {
    display: none;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt {
  position: relative;
  width: 100%;
  height: 26.77083vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt {
    height: 53.47222vw;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt .b520-sec17-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt .b520-sec17-imgs {
  z-index: 3;
  position: relative;
  width: 100%;
  height: 100%;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt .b520-sec17-imgs .b520-sec17-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt .b520-sec17-imgs .b520-sec17-img:nth-child(2), .b520 .b520-sec17 .b520-sec17-content .b520-sec17-left .b520-sec17-left-cnt .b520-sec17-imgs .b520-sec17-img:nth-child(3) {
  opacity: 0;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right {
  max-width: 32.1875vw;
  flex: 0 0 32.1875vw;
  padding-right: 4.16667vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right {
    max-width: 100%;
    flex: 0 0 100%;
    padding-right: 0;
    padding-top: 8.33333vw;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right {
    padding-right: 0;
    max-width: 100%;
    flex: 0 0 100%;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right {
    padding-right: 0;
    max-width: 100%;
    flex: 0 0 100%;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper {
  height: 100%;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper {
    height: auto;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper {
    height: auto;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper {
    height: auto;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper .swiper-wrapper {
  display: block;
  height: 100%;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper .swiper-wrapper {
    display: flex;
    height: auto;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper .swiper-wrapper {
    height: auto;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-swiper .swiper-wrapper {
    height: auto;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item {
  height: 100%;
  display: flex;
  align-items: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item {
    display: block;
    height: auto;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item {
    height: auto;
    margin-top: 6.25vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item {
    height: auto;
    margin-top: 6.25vw;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-item-imgs {
  display: none;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-item-imgs {
    display: block;
    position: relative;
    width: 83.33333vw;
    height: 53.47222vw;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-item-imgs {
    display: block;
    position: relative;
    width: 41.77083vw;
    height: 26.77083vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-item-imgs {
    display: block;
    position: relative;
    width: 41.77083vw;
    height: 26.77083vw;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-item-imgs .b520-sec17-item-img {
  z-index: 3;
  position: relative;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-item-imgs .b520-sec17-item-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-summary2 {
    text-align: center;
    padding-top: 8.33333vw;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-summary2 {
    width: 37.39583vw;
    padding-right: 4.16667vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item .b520-sec17-summary2 {
    width: 37.39583vw;
    padding-right: 4.16667vw;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(2), .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(3) {
  opacity: 0;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(2), .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(3) {
    opacity: 1;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(2), .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(3) {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(2), .b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .b520-sec17-item:nth-child(3) {
    opacity: 1;
  }
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .sec17-swiper-pagination {
  padding-top: 4.16667vw;
  position: relative;
  margin: 0 auto;
  width: 83.33333vw;
  text-align: center;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .sec17-swiper-pagination .swiper-pagination-bullet {
  width: 3.889vw;
  height: 3.889vw;
  background: none;
  border: 2px solid #707070;
  opacity: 1;
  margin-left: 6.944vw;
  outline: none;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .sec17-swiper-pagination .swiper-pagination-bullet:nth-child(3) {
  margin-left: 0;
}

.b520 .b520-sec17 .b520-sec17-content .b520-sec17-right .sec17-swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  width: 52.556vw;
  height: 3.889vw;
  border-radius: 9.444vw;
  background: #3c3c3c;
  border: 1px solid #707070;
  transition: opacity 0.5s;
}

.b520 .b520-sec18 {
  position: relative;
  padding-top: 76px;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 {
    padding-top: 96px;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 {
    padding-top: 0;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 {
    padding-top: 0;
  }
}

.b520 .b520-sec18 .b520-sec18-first-summary {
  z-index: 6;
  position: absolute;
  left: 0;
  width: 100%;
  padding-top: 76px;
  top: calc((50vh - 20.36458vw - 76px) - 3.64583vw);
}

@media screen and (min-aspect-ratio: 1 / 1) and (max-width: 1366px) {
  .b520 .b520-sec18 .b520-sec18-first-summary {
    top: calc((50vh - 20.36458vw - 76px) - 2.60417vw);
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-first-summary {
    padding-top: 96px;
    top: calc(50vh - 65.69444vw - 96px - 8.33333vw);
  }
}

@media screen and (min-width: 665px) and (max-width: 745px) and (min-height: 670px) and (max-height: 780px) and (max-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-first-summary {
    top: calc(50vh - 44.86111vw - 96px - 8.33333vw);
  }
}

@media screen and (min-height: 665px) and (max-height: 745px) and (min-width: 670px) and (max-width: 780px) and (min-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-first-summary {
    top: calc(50vh - 44.86111vw - 96px - 8.33333vw);
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-first-summary {
    position: static;
    padding-top: 0;
    padding-bottom: 3.125vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-first-summary {
    position: static;
    padding-top: 0;
    padding-bottom: 3.125vw;
  }
}

.b520 .b520-sec18 .b520-sec18-first-summary .b520-sec18-first-title {
  text-align: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-first-summary .b520-sec18-first-title {
    margin: 0 auto;
    width: 83.33333vw;
  }
}

.b520 .b520-sec18 .b520-sec18-container {
  position: relative;
  top: 0;
  height: calc(100vh - 76px);
  display: flex;
  align-items: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container {
    height: calc(100vh - 96px);
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container {
    height: auto;
    display: block;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container {
    height: auto;
    display: block;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content {
  position: relative;
  margin: 0 auto;
  width: 65vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content {
    width: 83.33333vw;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary {
  position: relative;
  text-align: center;
  min-height: 8.02083vw;
  margin-bottom: 3.125vw;
  overflow: hidden;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary {
    text-align: right;
    margin-bottom: 0;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary {
    min-height: auto;
    overflow: visible;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary {
    min-height: auto;
    overflow: visible;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-mob-img {
  position: relative;
}

@media screen and (min-width: 640px) and (max-aspect-ratio: 1 / 1) and (max-width: 1024px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-mob-img {
    width: 70%;
    left: 20%;
    transform: translateX(-50%);
  }
}

@media screen and (min-width: 665px) and (max-width: 745px) and (min-height: 670px) and (max-height: 780px) and (max-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-mob-img {
    width: 50%;
    left: 0%;
    transform: translateX(-50%);
  }
}

@media screen and (min-height: 665px) and (max-height: 745px) and (min-width: 670px) and (max-width: 780px) and (min-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-mob-img {
    width: 50%;
    left: 0%;
    transform: translateX(-50%);
  }
}

@media screen and (min-width: 665px) and (max-width: 745px) and (min-height: 670px) and (max-height: 780px) and (max-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-title {
    margin-bottom: 2.77778vw;
  }
}

@media screen and (min-height: 665px) and (max-height: 745px) and (min-width: 670px) and (max-width: 780px) and (min-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-title {
    margin-bottom: 2.77778vw;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-desc {
    min-height: 28.88889vw;
    font-size: 3.47222vw;
  }
}

@media screen and (min-width: 740px) and (max-aspect-ratio: 1 / 1) and (max-width: 1024px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-desc {
    min-height: 24.72222vw;
  }
}

@media screen and (min-width: 665px) and (max-width: 745px) and (min-height: 670px) and (max-height: 780px) and (max-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-desc {
    min-height: 23.33333vw;
  }
}

@media screen and (min-height: 665px) and (max-height: 745px) and (min-width: 670px) and (max-width: 780px) and (min-aspect-ratio: 1 / 1) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-desc {
    min-height: 23.33333vw;
  }
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary1 {
    opacity: 1;
    transition: opacity 1s ease;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary2 {
  position: absolute;
  top: 0;
  transform: translateY(110%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary2 {
    transform: none;
    opacity: 0;
    transition: opacity 1s ease;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary2 {
    position: relative;
    opacity: 1;
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary2 {
    position: relative;
    opacity: 1;
    transform: none;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary3 {
  position: absolute;
  top: 0;
  transform: translateY(110%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary3 {
    transform: none;
    opacity: 0;
    transition: opacity 1s ease;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary3 {
    position: relative;
    opacity: 1;
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-summary .b520-sec18-summary3 {
    position: relative;
    opacity: 1;
    transform: none;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img {
  position: relative;
  width: 65vw;
  height: 25.10417vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-product {
  z-index: 5;
  position: relative;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0, 0.6, 0.3, 1);
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 {
  opacity: 1;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img {
  z-index: 1;
  position: relative;
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img picture,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img img {
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img .img-bg {
  height: 101%;
}

@media screen and (max-width: 639px), screen and (max-width: 1200px) and (max-aspect-ratio: 1 / 1), (width: 677px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img .img-bg {
    height: 100%;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 28.22917vw;
  height: 15.88542vw;
  top: 0.26042vw;
  left: 10.05208vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text {
  direction: ltr;
  z-index: 2;
  position: absolute;
  left: 8.54167vw;
  bottom: 2.5vw;
  width: 100%;
  font-size: 0;
  text-align: left;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text span {
  color: #3267d6;
  font-size: 0.83333vw;
  font-weight: 700;
  vertical-align: middle;
  display: none;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text span {
    display: inline-block;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text span {
    display: inline-block;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text b {
  display: inline-block;
  vertical-align: middle;
  color: #3267d6;
  font-size: 1.04167vw;
  opacity: 0;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text b {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img1 .b520-sec18-item1-text b {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-img2 {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 22.70833vw;
  height: 14.375vw;
  right: 0.52083vw;
  bottom: 3.95833vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-video1 {
  z-index: 3;
  position: absolute;
  width: 15.67708vw;
  height: 10.41667vw;
  top: 3.4375vw;
  left: 28.38542vw;
  transform: translateX(-177%);
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-video1 {
    transform: translateX(0);
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-video1 {
    transform: translateX(0);
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-video2 {
  z-index: 3;
  position: absolute;
  width: 22.70833vw;
  height: 14.375vw;
  top: 0;
  left: 0;
  transform: translateX(-100%);
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-video2 {
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item1 .b520-sec18-item1-video2 {
    transform: none;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img {
  z-index: 1;
  position: relative;
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img picture,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img img {
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img1,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img1-active {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 28.22917vw;
  height: 16.09375vw;
  top: 0.15625vw;
  left: 10.05208vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img2,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img2-active {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 22.70833vw;
  height: 14.375vw;
  right: 0.52083vw;
  bottom: 3.95833vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img1-active,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img2-active {
  opacity: 0;
  z-index: 2;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img1-active,
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img2-active {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img1-active,
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-img2-active {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-pen {
  overflow: hidden;
  z-index: 6;
  position: absolute;
  width: 12.5vw;
  height: 8.85417vw;
  right: -3.64583vw;
  bottom: 5.98958vw;
  transform: translate(-85%, -63%);
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-pen {
    transform: translate(0%, 0%);
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item2 .b520-sec18-item2-pen {
    transform: translate(0%, 0%);
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img {
  z-index: 1;
  position: relative;
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img picture,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img img {
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img1,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img1-active {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 28.22917vw;
  height: 16.09375vw;
  top: 0.15625vw;
  left: 10.05208vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img2 {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 22.70833vw;
  height: 14.375vw;
  right: 0.36458vw;
  bottom: 3.80208vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img2-active {
  overflow: hidden;
  z-index: 1;
  position: absolute;
  width: 7.1875vw;
  height: 4.375vw;
  right: 4.11458vw;
  bottom: 7.03125vw;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img1-active,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img2-active {
  opacity: 0;
  z-index: 2;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img1-active,
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img2-active {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img1-active,
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-img2-active {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-drag {
  z-index: 3;
  position: absolute;
  width: 2.60417vw;
  height: 1.5625vw;
  right: 6.66667vw;
  bottom: 8.54167vw;
  transform: translate(-29.45vw, -9.3vw);
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-drag .b520-sec18-item3-drag-img {
  width: 100%;
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-drag .b520-sec18-item3-drag-img picture,
.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-drag .b520-sec18-item3-drag-img img {
  height: 100%;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-drag .b520-sec18-item3-arrow {
  overflow: hidden;
  z-index: 6;
  position: absolute;
  width: 0.78125vw;
  height: 0.78125vw;
  left: 1.5625vw;
  top: 0.67708vw;
  transform: translate(150%, 226%);
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-img .b520-sec18-item.b520-sec18-item3 .b520-sec18-item3-drag .b520-sec18-item3-icon {
  overflow: hidden;
  z-index: 6;
  position: absolute;
  width: 1.51042vw;
  height: 1.51042vw;
  left: 0.41667vw;
  top: -0.10417vw;
  opacity: 0;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-pagination {
  width: 34.375vw;
  margin: 1.66667vw auto 0;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-pagination .b520-sec18-pagination-bar {
  height: 1px;
  margin-bottom: 0.88542vw;
  background-color: #808080;
  position: relative;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-pagination .b520-sec18-pagination-bar span {
  position: absolute;
  top: -1px;
  left: 0;
  width: 11.45833vw;
  height: 3px;
  background-color: #000;
  opacity: 1;
  transition: transform 1s ease;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-pagination .b520-sec18-pagination-texts {
  width: 100%;
  display: flex;
  justify-content: space-around;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content .b520-sec18-pagination .b520-sec18-pagination-texts > span {
  display: inline-block;
  width: 33.33%;
  font-size: 1.14583vw;
  line-height: 1.6;
  text-align: center;
  opacity: 0.45;
  transition: opacity 1s;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary1 {
  transform: translateY(0%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary1 {
    transform: none;
    opacity: 1;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary1 {
    opacity: 1;
    transform: none;
    margin-bottom: 10.41667vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary1 {
    opacity: 1;
    transform: none;
    margin-bottom: 10.41667vw;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary2 {
  transform: translateY(110%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary2 {
    transform: none;
    opacity: 0;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary2 {
    opacity: 1;
    transform: none;
    margin-bottom: 10.41667vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary2 {
    opacity: 1;
    transform: none;
    margin-bottom: 10.41667vw;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary3 {
  transform: translateY(110%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary3 {
    transform: none;
    opacity: 0;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary3 {
    opacity: 1;
    transform: none;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-summary .b520-sec18-summary3 {
    opacity: 1;
    transform: none;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img {
    margin-top: 3.125vw;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img {
    margin-top: 3.125vw;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item1 {
  opacity: 1;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item1 {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item1 {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item2 {
  opacity: 0;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item2 {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item2 {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item3 {
  opacity: 0;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item3 {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-img .b520-sec18-item.b520-sec18-item3 {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination .b520-sec18-pagination-bar span {
  transform: translateX(22.91667vw);
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination .b520-sec18-pagination-texts > span:nth-child(1) {
  opacity: 1;
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination1 .b520-sec18-pagination-bar span {
    transform: translateX(22.91667vw);
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination1 .b520-sec18-pagination-texts > span:nth-child(1) {
    opacity: 1;
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination2 .b520-sec18-pagination-bar span {
    transform: translateX(11.45833vw);
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination2 .b520-sec18-pagination-texts > span:nth-child(1) {
    opacity: 0.45;
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination2 .b520-sec18-pagination-texts > span:nth-child(2) {
    opacity: 1;
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination3 .b520-sec18-pagination-bar span {
    transform: translateX(0);
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination3 .b520-sec18-pagination-texts > span:nth-child(1) {
    opacity: 0.45;
  }
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination.b520-sec18-pagination3 .b520-sec18-pagination-texts > span:nth-child(3) {
    opacity: 1;
  }
}

@supports (-ms-ime-align: auto) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="1"] .b520-sec18-pagination {
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-summary .b520-sec18-summary1 {
  transform: translateY(-100%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-summary .b520-sec18-summary1 {
    transform: none;
    opacity: 0;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-summary .b520-sec18-summary2 {
  transform: translateY(0%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-summary .b520-sec18-summary2 {
    transform: none;
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-summary .b520-sec18-summary3 {
  transform: translateY(110%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-summary .b520-sec18-summary3 {
    transform: none;
    opacity: 0;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-img .b520-sec18-item.b520-sec18-item1 {
  opacity: 0;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-img .b520-sec18-item.b520-sec18-item2 {
  opacity: 1;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-img .b520-sec18-item.b520-sec18-item3 {
  opacity: 0;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-pagination .b520-sec18-pagination-bar span {
  transform: translateX(11.45833vw);
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="2"] .b520-sec18-pagination .b520-sec18-pagination-texts > span:nth-child(2) {
  opacity: 1;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-summary .b520-sec18-summary1 {
  transform: translateY(-100%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-summary .b520-sec18-summary1 {
    transform: none;
    opacity: 0;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-summary .b520-sec18-summary2 {
  transform: translateY(-100%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-summary .b520-sec18-summary2 {
    transform: none;
    opacity: 0;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-summary .b520-sec18-summary3 {
  transform: translateY(0%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-summary .b520-sec18-summary3 {
    transform: none;
    opacity: 1;
  }
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-img .b520-sec18-item.b520-sec18-item1 {
  opacity: 0;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-img .b520-sec18-item.b520-sec18-item2 {
  opacity: 0;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-img .b520-sec18-item.b520-sec18-item3 {
  opacity: 1;
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-pagination .b520-sec18-pagination-bar span {
  transform: translateX(0);
}

.b520 .b520-sec18 .b520-sec18-container .b520-sec18-content[data-show="3"] .b520-sec18-pagination .b520-sec18-pagination-texts > span:nth-child(3) {
  opacity: 1;
}

.b520 .b520-sec19 {
  position: relative;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec19 .b520-sec19-container {
    width: 100%;
  }
}

.b520 .b520-sec19 .b520-sec19-container .b520-sec19-summary {
  z-index: 5;
  position: relative;
  margin: 0 auto;
  width: 65.10417vw;
  text-align: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec19 .b520-sec19-container .b520-sec19-summary {
    width: 83.33333vw;
    padding-bottom: 6.94444vw;
  }
}

.b520 .b520-sec19 .b520-sec19-container .b520-sec19-product {
  position: relative;
  margin: -3.125vw auto -5.20833vw;
  width: 65.10417vw;
  height: 61.35417vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec19 .b520-sec19-container .b520-sec19-product {
    margin: 0 auto;
    width: 100vw;
    height: 105.55556vw;
  }
}

.b520 .b520-sec19 .b520-sec19-container .b520-sec19-product .b520-sec19-img1 {
  margin: 0 auto;
  width: 61.35417vw;
  height: 61.35417vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec19 .b520-sec19-container .b520-sec19-product .b520-sec19-img1 {
    width: 100vw;
    height: 105.55556vw;
  }
}

.b520 .b520-sec19 .b520-sec19-container .b520-sec19-product .b520-sec19-img2 {
  width: 18.90625vw;
  position: absolute;
  left: 0;
  bottom: 0;
  transform: translate(-22%, -26%);
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec19 .b520-sec19-container .b520-sec19-product .b520-sec19-img2 {
    width: 39.44444vw;
  }
}

.b520 .b520-sec20 {
  position: relative;
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-summary {
  width: 61.45833vw;
  margin: 0 auto;
  text-align: center;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-summary {
    width: 100%;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-summary .b520-sec20-more {
  color: #0066ff;
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-wrap {
  margin: 0 auto;
  width: 53.95833vw;
  padding-top: 3.125vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-wrap {
    width: 100%;
    padding-top: 5.55556vw;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-items {
  margin: -0.78125vw -0.67708vw;
  display: flex;
  flex-wrap: wrap;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-items {
    margin: -1.38889vw -1.11111vw;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-items .b520-sec20-item {
  padding: 0.78125vw 0.67708vw;
  flex: 0 0 50%;
  max-width: 50%;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-items .b520-sec20-item {
    padding: 1.38889vw 1.11111vw;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-block {
  background-color: #e5e8e9;
  height: 100%;
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-img {
  width: 100%;
  height: 14.53125vw;
  overflow: hidden;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-img {
    height: 22.22222vw;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-item-summary {
  padding: 2.08333vw 0.9375vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-item-summary {
    padding: 4.16667vw 1.38889vw;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-item-summary .b520-sec20-item-title {
  font-weight: 500;
  font-size: 1.66667vw;
  line-height: 1.25;
  padding-bottom: 0.52083vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-item-summary .b520-sec20-item-title {
    font-size: 2.63889vw;
  }
}

.b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-item-summary .b520-sec20-item-desc {
  font-weight: 400;
  font-size: 1.14583vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec20 .b520-sec20-container .b520-sec20-block .b520-sec20-item-summary .b520-sec20-item-desc {
    font-size: 1.80556vw;
  }
}

.b520 .b520-sec21 .b520-sec21-summary {
  text-align: center;
  padding: 0 5.72917vw 2.60417vw;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec21 .b520-sec21-summary {
    padding: 0 0 6.94444vw;
  }
}

.b520 .b520-sec21 .b520-sec21-img {
  width: 100%;
  height: 40.36458vw;
  border-radius: 1.04167vw;
  transform: rotate(0deg);
  overflow: hidden;
}

@media screen and (max-width: 779px), screen and (max-aspect-ratio: 1 / 1) and (max-width: 1200px) {
  .b520 .b520-sec21 .b520-sec21-img {
    border-radius: 2.77778vw;
    height: 50vw;
  }
}