@charset "UTF-8";
/* http://meyerweb.com/eric/tools/css/reset/
 * v2.0 | 20110126
 * License: none (public domain) */
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p,
blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em,
img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i,
center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, figure, figcaption,
footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after {
  content: "";
  content: none;
}

q:before, q:after {
  content: "";
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Customize
 * ========================================================================== */
html, body {
  height: 100%;
}

a {
  text-decoration: none;
}

img {
  display: block;
}

input::placeholder, textarea::placeholder {
  color: #d4d4d4;
  font-size: 1em;
  font-family: Noto Sans, Arial, Helvetica, sans-serif;
}
input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {
  color: #d4d4d4;
  font-size: 1em;
  font-family: Noto Sans, Arial, Helvetica, sans-serif;
}
input::-moz-placeholder, textarea::-moz-placeholder {
  color: #d4d4d4;
  font-size: 1em;
  font-family: Noto Sans, Arial, Helvetica, sans-serif;
}
input:-ms-input-placeholder, textarea:-ms-input-placeholder {
  color: #d4d4d4;
  font-size: 1em;
  font-family: Noto Sans, Arial, Helvetica, sans-serif;
}

/* ================================= */
#browser {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  cursor: pointer;
}

.browser_content {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 500px;
  height: 260px;
  margin-left: -250px;
  margin-top: -130px;
  padding: 40px;
  margin: -170px 0 0 -290px;
  background: #FFF;
  border-radius: 5px;
  text-align: center;
}
.browser_content h1 {
  margin-bottom: 20px;
}
.browser_content p {
  margin-top: 30px;
}

.browser_note {
  color: #666;
  line-height: 1.7;
  padding: 0 20px;
}
.browser_note .autoWrap {
  display: inline-block;
}

.browser_chosen {
  position: relative;
  width: 480px;
  margin: 20px auto 0;
  overflow: hidden;
}
.browser_chosen a {
  float: left;
  margin: 0 28px 20px;
  color: #666;
  line-height: 1.7;
  font-size: 12px;
}

@media only screen and (max-width: 599px) {
  .browser_content {
    width: 100%;
    height: auto;
    padding: 40px 0 0;
    margin: -235px 0 0 -50%;
    border-radius: 0;
  }

  .browser_chosen {
    width: 240px;
  }
}
/* ========================================================================== */
.main {
  overflow: hidden;
}

.container {
  position: relative;
  max-width: 1700px;
  margin: auto;
}

.article {
  position: relative;
  margin: 280px 0 0;
  color: #ccc;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s, margin 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s, margin 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s, margin 0.6s;
  transition: opacity 0.6s, transform 0.6s, margin 0.6s;
}
.article-title {
  position: relative;
  font-size: 36px;
  color: #fff;
  text-align: center;
}
.article-content {
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 1px;
  text-align: center;
  max-width: 450px;
  margin: 32px auto 0;
}

.a1-inner {
  position: relative;
  padding: 160px 7.5% 80px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.a1-inner:hover .a1-img .mask {
  -moz-transform: scale(0.95);
  -ms-transform: scale(0.95);
  -webkit-transform: scale(0.95);
  transform: scale(0.95);
}
.a1-inner:hover .a1-img .mask img {
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-filter: grayscale(0%);
  filter: grayscale(0%);
}
.a1-inner:hover .a1-text:after {
  left: -30%;
  -moz-transition: left 0.6s;
  -o-transition: left 0.6s;
  -webkit-transition: left 0.6s;
  transition: left 0.6s;
}
.a1-img {
  position: relative;
  width: 50%;
  height: 35vw;
  overflow: hidden;
}
.a1-img .mask {
  overflow: hidden;
  transition: all 0.4s;
}
.a1-img .mask img {
  width: 100%;
  transition: all 0.4s;
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
}
.a1-text {
  position: relative;
  width: 30%;
  margin: 0 10%;
  color: #ccc;
  opacity: 0;
  transform: translateX(40px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.a1-text:after {
  position: absolute;
  content: "";
  width: 120px;
  height: 1px;
  background: #fff;
  top: 8%;
  margin-left: -15%;
  left: -100px;
  -moz-transition: left 0.6s;
  -o-transition: left 0.6s;
  -webkit-transition: left 0.6s;
  transition: left 0.6s;
}
.a1-text .title {
  font-size: 36px;
  margin: 16px 0;
  line-height: 1.5;
  color: #fff;
}
.a1-text .stitle {
  font-size: 14px;
  margin: 16px 0;
  color: #b3b2b0;
}
.a1-text .name {
  font-size: 24px;
  margin-bottom: 20px;
}
.a1-text .content {
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 1px;
  margin: 16px 0;
}
.a1 .a1Move {
  opacity: 1;
  transform: translateX(0px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}

.a2-inner {
  position: relative;
  padding: 160px 7.5% 80px;
  overflow: hidden;
  display: flex;
  flex-direction: row-reverse;
  align-items: center;
}
.a2-inner:hover .a2-img .mask {
  -moz-transform: scale(0.95);
  -ms-transform: scale(0.95);
  -webkit-transform: scale(0.95);
  transform: scale(0.95);
}
.a2-inner:hover .a2-img .mask img {
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
  -webkit-transform: scale(1.05);
  transform: scale(1.05);
  -webkit-filter: grayscale(0%);
  filter: grayscale(0%);
}
.a2-inner:hover .a2-text:after {
  right: -30%;
  -moz-transition: right 0.6s;
  -o-transition: right 0.6s;
  -webkit-transition: right 0.6s;
  transition: right 0.6s;
}
.a2-img {
  position: relative;
  width: 50%;
  height: 35vw;
  margin-left: 5%;
  overflow: hidden;
}
.a2-img .mask {
  overflow: hidden;
  transition: all 0.4s;
}
.a2-img .mask img {
  width: 100%;
  transition: all 0.4s;
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
}
.a2-text {
  position: relative;
  width: 30%;
  margin: 0 10%;
  color: #ccc;
  z-index: 1;
  opacity: 0;
  transform: translateX(-40px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.a2-text:after {
  position: absolute;
  content: "";
  width: 120px;
  height: 1px;
  background: #fff;
  top: 8%;
  margin-right: -40%;
  right: -100px;
  -moz-transition: right 0.6s;
  -o-transition: right 0.6s;
  -webkit-transition: right 0.6s;
  transition: right 0.6s;
}
.a2-text .title {
  font-size: 36px;
  margin: 16px 0;
  line-height: 1.5;
  color: #fff;
}
.a2-text .stitle {
  font-size: 14px;
  margin: 16px 0;
  color: #b3b2b0;
}
.a2-text .name {
  font-size: 24px;
  margin-bottom: 20px;
}
.a2-text .content {
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 1px;
  margin: 16px 0;
}
.a2 .a2Move {
  opacity: 1;
  transform: translateX(0px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}

.textMove {
  opacity: 1;
  transform: translateY(0px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}

.imgRight {
  opacity: 1;
  transform: translateX(0px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}

.imgLeft {
  opacity: 1;
  transform: translateX(0px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}

.imgHoverL {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: #192329;
  -moz-transition: right 1s;
  -o-transition: right 1s;
  -webkit-transition: right 1s;
  transition: right 1s;
}

.imgShowL {
  right: 100%;
  -moz-transition: right 1s;
  -o-transition: right 1s;
  -webkit-transition: right 1s;
  transition: right 1s;
}

.imgHoverR {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: #192329;
  -moz-transition: left 1s;
  -o-transition: left 1s;
  -webkit-transition: left 1s;
  transition: left 1s;
}

.imgShowR {
  left: 100%;
  -moz-transition: left 1s;
  -o-transition: left 1s;
  -webkit-transition: left 1s;
  transition: left 1s;
}

/*------------------------------------------
 *             tablet 、 Mobile
 *------------------------------------------ */
@media only screen and (max-width: 1400px) {
  .a1-text {
    width: 35%;
    margin: 0 5% 0 10%;
  }

  .a2-text {
    width: 35%;
    margin: 0 10% 0 5%;
  }
}
@media only screen and (max-width: 1100px) {
  .article-text {
    font-size: 32px;
  }

  .a1-text .title, .a2-text .title {
    font-size: 32px;
  }

  #t1 .a1-img .mask img {
    margin-top: -20%;
  }

  #t2 .a2-img .mask img {
    margin-top: -10%;
  }

  #t3 .a1-img .mask img {
    margin-top: -40%;
  }

  #t4 .a2-img .mask img {
    margin-top: -25%;
  }

  .a1-inner, .a2-inner {
    display: block;
    padding: 80px 7.5% 0;
  }
  .a1-img, .a2-img {
    width: 100%;
    margin: 0;
  }
  .a1-text, .a2-text {
    width: 100%;
    margin: 95px 0;
  }

  .a1-inner:hover .a1-text:after {
    left: -100%;
  }
  .a1-text {
    margin: 48px 0;
  }
  .a1-text:after {
    top: 7px;
    left: -100px;
    margin-left: -5%;
  }

  .a2-inner:hover .a2-text:after {
    right: -100%;
  }
  .a2-text {
    margin: 48px 0;
    text-align: right;
  }
  .a2-text:after {
    top: 7px;
    right: -100px;
    margin-right: -5%;
  }
}
@media only screen and (max-width: 700px) {
  .article-content {
    max-width: none;
    padding: 0 8%;
  }

  .a1-inner, .a2-inner {
    padding: 40px 8%;
  }
  .a1-img, .a2-img {
    width: 100%;
    height: 55vw;
  }
}
@media only screen and (max-width: 550px) {
  .article {
    margin: 160px 0 0;
  }
  .article-title {
    font-size: 28px;
  }

  .a1-inner, .a2-inner {
    padding: 80px 8% 0;
  }
  .a1-text, .a2-text {
    margin: 48px 0 0;
  }
  .a1-text .title, .a2-text .title {
    font-size: 28px;
  }

  .a1-text:after {
    left: -110px;
  }

  .a2-text:after {
    right: -110px;
  }
}