.slider {
  width: 100%;
  height: 100%;
  left: 0px;
  top: 0px;
  margin: 0px;
  padding: 0px;
  z-index: -999999;
  position: fixed; }
  .slider .slider-item {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: -999999;
    display: none; }
    .slider .slider-item.active {
      z-index: -999998; }
  .slider .slider-item:nth-child(1) {
    background: url("../images/m/index/bg01.jpg") center 0 no-repeat;
    background-size: cover; }
  .slider .slider-item:nth-child(2) {
    background: url("../images/m/index/bg02.jpg") center 0 no-repeat;
    background-size: cover;
    -webkit-transform-origin: 50% 0;
    -ms-transform-origin: 50% 0;
    transform-origin: 50% 0; }
  .slider .slider-item:nth-child(3) {
    background: url("../images/m/index/bg03.jpg") center 68% no-repeat;
    background-size: cover; }
  .slider .slider-item:nth-child(4) {
    background: url("../images/m/index/bg04.jpg") center 0 no-repeat;
    background-size: cover; }

#language-switch {
  position: absolute;
  width: 42px;
  height: 193px;
  right: 10px;
  top: 10px; }
  #language-switch .language-black {
    display: block; }
  #language-switch .language-white {
    display: none; }
  #language-switch img {
    width: 100%; }
  #language-switch li ~ li {
    margin-top: 8px; }
  #language-switch.white .language-black {
    display: none; }
  #language-switch.white .language-white {
    display: block; }

.banner {
  overflow: hidden; }
  .banner #ban-switch {
    -webkit-transition: opacity 2s ease .6s;
    -o-transition: opacity 2s ease .6s;
    transition: opacity 2s ease .6s; }
    .banner #ban-switch .ban-pc {
      display: none; }
    .banner #ban-switch li {
      color: #333333;
      opacity: 0;
      font-size: 10px;
      position: absolute;
      letter-spacing: .5px;
      -webkit-transition: opacity .6s ease;
      -o-transition: opacity .6s ease;
      transition: opacity .6s ease; }
      .banner #ban-switch li img {
        width: 100%; }
    .banner #ban-switch li:nth-child(1) {
      left: 3%;
      top: 8%;
      width: 36%;
      max-width: 256px;
      min-width: 162px; }
    .banner #ban-switch li:nth-child(2) {
      left: 3%;
      top: 50%;
      width: 42%;
      max-width: 647px;
      min-width: 170px; }
    .banner #ban-switch li:nth-child(3) {
      left: 50%;
      -webkit-transform: translate(-50%, 0);
      -ms-transform: translate(-50%, 0);
      transform: translate(-50%, 0);
      top: 50%;
      width: 85%;
      max-width: 579px;
      min-width: 284px; }
    .banner #ban-switch li:nth-child(4) {
      left: 8%;
      top: 7%;
      width: 26%;
      max-width: 332px;
      min-width: 180px; }
    .banner #ban-switch li.banCurr {
      opacity: 1; }

@media only screen and (min-width: 550px) {
  #language-switch {
    position: absolute;
    width: 52px;
    height: 193px;
    right: 30px;
    top: 30px; }
    #language-switch li ~ li {
      margin-top: 18px; } }

@media only screen and (min-width: 961px) {
  .slider .slider-item:nth-child(1) {
    background: url("../images/index/bg01.jpg") center 0 no-repeat;
    background-size: cover; }
  .slider .slider-item:nth-child(2) {
    background: url("../images/index/bg02.jpg") center 0 no-repeat;
    background-size: cover;
    -webkit-transform-origin: 50% 0;
    -ms-transform-origin: 50% 0;
    transform-origin: 50% 0; }
  .slider .slider-item:nth-child(3) {
    background: url("../images/index/bg03.jpg") center 0 no-repeat;
    background-size: cover; }
  .slider .slider-item:nth-child(4) {
    background: url("../images/index/bg04.jpg") center 0 no-repeat;
    background-size: cover; }
  .banner #ban-switch .ban-pc {
    display: block; }
  .banner #ban-switch .ban-mobile {
    display: none; }
  .banner #ban-switch li:nth-child(1) {
    left: 5%;
    top: 30%;
    width: 15%;
    max-width: 298px;
    min-width: 162px; }
  .banner #ban-switch li:nth-child(2) {
    left: 9%;
    top: 25%;
    width: 35%;
    max-width: 647px;
    min-width: 378px; }
  .banner #ban-switch li:nth-child(3) {
    left: 10%;
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    transform: translate(0, 0);
    top: 50%;
    width: 50%;
    max-width: 808px;
    min-width: 312px; }
  .banner #ban-switch li:nth-child(4) {
    left: 3%;
    top: 32%;
    width: 39%;
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    transform: translate(0, 0);
    max-width: 804px;
    min-width: 323px; }
  #language-switch {
    position: absolute;
    width: 52px;
    right: 54px;
    top: 0;
    bottom: 0;
    margin: auto 0; }
    #language-switch li ~ li {
      margin-top: 18px; } }