html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

body {
  line-height: 1;
}

:focus {
  outline: 1;
}

article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary {
  display: block;
}

ul, li {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

a {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-decoration: none;
}

ins {
  background-color: #ff9;
  color: #000;
  text-decoration: none;
}

mark {
  background-color: #ff9;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

abbr[title], dfn[title] {
  border-bottom: 1px dotted #000;
  cursor: help;
}

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

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #cccccc;
  margin: 1em 0;
  padding: 0;
}

input, select {
  vertical-align: middle;
}

@-webkit-keyframes cloud {
  0% {
    -webkit-transform: translateX(0px);
            transform: translateX(0px);
  }
  100% {
    -webkit-transform: translateX(-250px);
            transform: translateX(-250px);
  }
}

@keyframes cloud {
  0% {
    -webkit-transform: translateX(0px);
            transform: translateX(0px);
  }
  100% {
    -webkit-transform: translateX(-250px);
            transform: translateX(-250px);
  }
}

@-webkit-keyframes masky {
  0% {
    -webkit-mask-position: 0 0;
  }
  100% {
    -webkit-mask-position: 100% 0;
  }
}

@keyframes masky {
  0% {
    -webkit-mask-position: 0 0;
  }
  100% {
    -webkit-mask-position: 100% 0;
  }
}

@-webkit-keyframes slidedown {
  0% {
    opacity: 0;
    -webkit-transform: translateY(100px);
            transform: translateY(100px);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0px);
            transform: translateY(0px);
  }
}

@keyframes slidedown {
  0% {
    opacity: 0;
    -webkit-transform: translateY(100px);
            transform: translateY(100px);
  }
  100% {
    opacity: 1;
    -webkit-transform: translateY(0px);
            transform: translateY(0px);
  }
}

@-webkit-keyframes leaf01 {
  0% {
    -webkit-transform: translateX(0px) translateY(0px) rotate(0deg);
            transform: translateX(0px) translateY(0px) rotate(0deg);
  }
  100% {
    -webkit-transform: translateX(1660px) translateY(1400px) rotate(580deg);
            transform: translateX(1660px) translateY(1400px) rotate(580deg);
  }
}

@keyframes leaf01 {
  0% {
    -webkit-transform: translateX(0px) translateY(0px) rotate(0deg);
            transform: translateX(0px) translateY(0px) rotate(0deg);
  }
  100% {
    -webkit-transform: translateX(1660px) translateY(1400px) rotate(580deg);
            transform: translateX(1660px) translateY(1400px) rotate(580deg);
  }
}

@-webkit-keyframes leaf02 {
  0% {
    -webkit-transform: translateX(0px) translateY(0px) rotate(0deg);
            transform: translateX(0px) translateY(0px) rotate(0deg);
  }
  100% {
    -webkit-transform: translateX(1100px) translateY(1300px) rotate(-460deg);
            transform: translateX(1100px) translateY(1300px) rotate(-460deg);
  }
}

@keyframes leaf02 {
  0% {
    -webkit-transform: translateX(0px) translateY(0px) rotate(0deg);
            transform: translateX(0px) translateY(0px) rotate(0deg);
  }
  100% {
    -webkit-transform: translateX(1100px) translateY(1300px) rotate(-460deg);
            transform: translateX(1100px) translateY(1300px) rotate(-460deg);
  }
}

@-webkit-keyframes leaf03 {
  0% {
    -webkit-transform: translateX(0px) translateY(0px) rotate(0deg);
            transform: translateX(0px) translateY(0px) rotate(0deg);
  }
  100% {
    -webkit-transform: translateX(700px) translateY(1200px) rotate(-460deg);
            transform: translateX(700px) translateY(1200px) rotate(-460deg);
  }
}

@keyframes leaf03 {
  0% {
    -webkit-transform: translateX(0px) translateY(0px) rotate(0deg);
            transform: translateX(0px) translateY(0px) rotate(0deg);
  }
  100% {
    -webkit-transform: translateX(700px) translateY(1200px) rotate(-460deg);
            transform: translateX(700px) translateY(1200px) rotate(-460deg);
  }
}

.side {
  height: 1200px;
  overflow: hidden;
  position: relative;
}

.side .cover {
  position: absolute;
  left: 0;
  top: 0;
  background: url(../image/side5.jpg) center no-repeat;
}

.side .cover.masky {
  width: 100%;
  height: 100%;
  -webkit-mask: url(../image/mask_bg.png) center bottom no-repeat;
          mask: url(../image/mask_bg.png) center bottom no-repeat;
  -webkit-mask-size: 4000% 100%;
          mask-size: 4000% 100%;
  will-change: transform;
  -webkit-animation: masky 1s steps(39) forwards;
          animation: masky 1s steps(39) forwards;
}

.side .content {
  position: relative;
  width: 1002px;
  height: 1200px;
  margin: 0 auto;
}

.side .logo {
  position: absolute;
  display: inline-block;
  width: 210px;
  height: 93px;
}

.side .leaf1 {
  position: absolute;
  top: -120px;
  left: 0px;
  width: 78px;
  height: 83px;
  opacity: .8;
  background: url("../image/leaf1.png") top center no-repeat;
  background-size: 70%;
  -webkit-animation: leaf01 linear 35s forwards infinite 2s;
          animation: leaf01 linear 35s forwards infinite 2s;
}

.side .leaf2, .side .leaf3 {
  position: absolute;
  top: -100px;
  left: 400px;
  width: 67px;
  height: 71px;
  opacity: .7;
  background: url("../image/leaf2.png") top center no-repeat;
  background-size: 80%;
  -webkit-animation: leaf02 linear 33s forwards infinite 20s;
          animation: leaf02 linear 33s forwards infinite 20s;
}

.side .leaf3 {
  left: 150px;
  background-size: 50%;
  -webkit-animation: leaf03 linear 37s forwards infinite 10s;
          animation: leaf03 linear 37s forwards infinite 10s;
}

.side .cloud, .side .cloud2 {
  position: absolute;
  bottom: 0px;
  left: 0px;
  width: 1205px;
  height: 311px;
  background: url("../image/cloud.png") top center no-repeat;
  -webkit-animation: cloud 12s linear alternate infinite;
          animation: cloud 12s linear alternate infinite;
}

.side .cloud2 {
  background: url("../image/cloud2.png") top center no-repeat;
  width: 1742px;
  height: 261px;
  left: 800px;
  -webkit-animation: cloud 15s linear alternate infinite;
          animation: cloud 15s linear alternate infinite;
}

.side .top_nav {
  width: 129px;
  height: 31px;
  background: url("../image/nav_bg.png") top center no-repeat;
  text-align: center;
  font-size: 0px;
  position: absolute;
  top: 15px;
  right: 10px;
}

.side .top_nav a {
  font-size: 12px;
  color: #8a2e06;
  line-height: 31px;
}

.side .top_nav span {
  font-size: 12px;
  color: #8a2e06;
  padding: 0 6px;
}

.side .ac1 {
  position: absolute;
  top: 585px;
  left: 165px;
  width: 189px;
  height: 401px;
  background: url("../image/ac1.png") top center no-repeat;
  z-index: 3;
  -webkit-animation: slidedown .7s ease both .5s;
          animation: slidedown .7s ease both .5s;
}

.side .ac1:hover {
  background: url("../image/ac1_c.png") top center no-repeat;
}

.side .ac2 {
  position: absolute;
  top: 530px;
  left: 427px;
  width: 189px;
  height: 401px;
  background: url("../image/ac2.png") top center no-repeat;
  z-index: 3;
  -webkit-animation: slidedown .7s ease both .6s;
          animation: slidedown .7s ease both .6s;
}

.side .ac2:hover {
  background: url("../image/ac2_c.png") top center no-repeat;
}

.side .ac3 {
  position: absolute;
  top: 585px;
  left: 665px;
  width: 189px;
  height: 401px;
  background: url("../image/ac3.png") top center no-repeat;
  z-index: 3;
  -webkit-animation: slidedown .7s ease both .7s;
          animation: slidedown .7s ease both .7s;
}

.side .ac3:hover {
  background: url("../image/ac3_c.png") top center no-repeat;
}

.side2 {
  height: 2000px;
  background: url("../image/side2.jpg") top center no-repeat;
}

.side2 .content {
  width: 1002px;
  height: 2000px;
  background: url("../image/content.jpg") top center no-repeat;
  margin: 0 auto;
  position: relative;
}

.side2 .logo {
  position: absolute;
  display: inline-block;
  width: 210px;
  height: 93px;
}

.side2 .top_nav {
  width: 129px;
  height: 31px;
  background: url("../image/nav_bg.png") top center no-repeat;
  text-align: center;
  font-size: 0px;
  position: absolute;
  top: 15px;
  right: 10px;
}

.side2 .top_nav a {
  font-size: 12px;
  color: #8a2e06;
  line-height: 31px;
}

.side2 .top_nav span {
  font-size: 12px;
  color: #8a2e06;
  padding: 0 6px;
}

.side2 .main {
  width: 984px;
  height: 1354px;
  background: url("../image/main.png") top center no-repeat;
  position: relative;
  overflow: hidden;
  top: 530px;
}

.side2 .nav_btn {
  width: 651px;
  height: 109px;
  margin: 40px auto 0px;
  font-size: 0px;
  background: url("../image/nav_btn.png") center center no-repeat;
}

.side2 .nav_btn a {
  display: inline-block;
  width: 162px;
  height: 109px;
}

.side2 .nav_btn a:nth-of-type(1).active {
  background: url("../image/hover1.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(1):hover {
  background: url("../image/hover1.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(2).active {
  background: url("../image/hover2.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(2):hover {
  background: url("../image/hover2.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(3).active {
  background: url("../image/hover3.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(3):hover {
  background: url("../image/hover3.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(4).active {
  background: url("../image/hover4.png") top center no-repeat;
}

.side2 .nav_btn a:nth-of-type(4):hover {
  background: url("../image/hover4.png") top center no-repeat;
}

.side2 .main_cont {
  width: 830px;
  margin: 0 auto;
}

.side2 .main_cont .title01 {
  width: 100%;
  height: 147px;
  background: url("https://static.web.sdo.com/mir2/pic/mir2_act/20200914/title01.png?02") top center no-repeat;
  margin: 20px 0px;
}

.side2 .main_cont .title02 {
  width: 100%;
  height: 147px;
  background: url("../image/title02.png") top center no-repeat;
  margin: 20px 0px;
}

.side2 .main_cont p {
  font-size: 14px;
  color: #000;
  line-height: 24px;
}

.side2 .main_cont p.mt {
  margin-top: 20px;
}

.side2 .main_cont p span {
  color: #f00;
}

.side2 .main_cont p em {
  font-style: normal;
  font-weight: bold;
}

.side2 .main_cont p img {
  display: block;
  margin: 10px 0px;
}

.side2 .btn_box {
  width: 719px;
  height: 99px;
  margin: 24px auto 0px;
  background: url("../image/btn1.png") top center no-repeat;
  font-size: 0px;
}

.side2 .btn_box a {
  display: inline-block;
  width: 50%;
  height: 99px;
}

.side2 .btn_box a:nth-of-type(1).active {
  background: url(../image/btn_hover.png) 0px 0px;
}

.side2 .btn_box a:nth-of-type(1):hover {
  background: url(../image/btn_hover.png) 0px 0px;
}

.side2 .btn_box a:nth-of-type(2).active {
  background: url(../image/btn_hover.png) 360px 0px;
}

.side2 .btn_box a:nth-of-type(2):hover {
  background: url(../image/btn_hover.png) 360px 0px;
}

.side2 .main_cont {
  display: none;
}

.side2 .equip {
  height: 1050px;
  overflow-y: scroll;
  display: none;
}

.side2 .srcoll {
  margin-top: 20px;
  height: 900px;
  overflow-y: scroll;
}

.side2 .c_box {
  overflow: hidden;
}

.side2 .c_box .c1, .side2 .c_box .c2, .side2 .c_box .c3, .side2 .c_box .c4 {
  width: 41.5%;
  float: left;
}

.side2 .c_box .c1 img, .side2 .c_box .c2 img, .side2 .c_box .c3 img, .side2 .c_box .c4 img {
  width: 60%;
}

.side2 .c_box .c2 {
  width: 40%;
  margin-left: 20px;
}

.side2 .c_box .c3 {
  width: 45%;
}

.side2 .c_box .c5, .side2 .c_box .c6 {
  width: 40%;
  float: left;
  text-align: center;
}

.side2 .c_box .c6 {
  margin-left: 20px;
}

.side2 table {
  width: 80%;
  margin-top: 20px;
}

.side2 table th {
  border: solid 1px #000;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 16px;
}

.side2 table td {
  border: solid 1px #000;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 14px;
}

.side2 table.table2 td {
  vertical-align: middle;
  height: 60px;
  line-height: 60px;
}