* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
ul {
  list-style-type: none;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica,
    Roboto, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei",
    "Microsoft Jhenghei", sans-serif;
}
button {
  border: none;
}
.panel {
  margin-right: auto;
  margin-bottom: 0px;
  margin-left: auto;
  background-color: #fdfdfd;
  box-shadow: rgba(0, 0, 0, 0.2) 0px 3px 10px 0px;
  color: #5d5d5d;
}
.tab-top {
  width: 100%;
  height: 4rem;
  background: rgba(255,255,255,0.75);
  box-shadow: inset 0px -1px 0px 0px #E6E6E6;
  display: flex;
  margin-bottom: 0;
  position: fixed;
  z-index: 10;
  top: 0
}
.tab-top li a.active {
  font-weight: 600;
  border-bottom: .2rem solid #6079F7;
}
.tab-top li {
  width: 25%;
  line-height: 3rem;
  text-align: center;
}
.tab-top li a {
  height: 3rem;
  line-height: 4rem;
  display: inline-block;
  font-size: .8rem;
  white-space: nowrap;
  text-decoration:none;
  font-family: PingFangSC-Semibold, PingFang SC;
  color: #4D4D4D;
}
.logo-block {
  width: 50%;
  position: absolute;
  left: 12%;
  top: 7rem;
}
.logo path {
  pointer-events: none;
  fill: none;
  stroke-linecap: round;
  stroke-width: 7;
  stroke: rgb(255, 255, 255);
}
.big-title {
  text-align: center;
  font-size: 3.5rem;
  padding-top: 20px;
  padding-bottom: 20px;
  padding-left: 0px;
  color: rgb(24, 144, 255);
}
.wechat-group {
  text-align: center;
  padding-bottom: 10px;
}
.wechat-group img {
  width: 50%;
  height: auto;
  border-radius: 8px;
}
.doublerow {
  /* display: table; */
  padding-bottom: 5px;
  padding-top: 5px;
  /* padding-right: 10px; */
  /* padding-left: 10px; */
  width: 100%;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.btn {
  width: 8.3rem;
  max-width: 99%;
  height: 1.9rem;
  line-height: 1rem !important;
  border-radius: 6px;
  font-size: .8rem !important;
}

.block-artical {
  position:relative;
  z-index: 1;
}

#code {
  text-align: center;
  width: 50%;
  display: block;
}
.fdb-block img {
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  border-bottom-left-radius: 4px;
}
.fdb-block .fdb-touch {
  border-top-width: 5px;
  border-top-style: solid;
  border-top-color: rgb(82, 139, 255);
}
.fdb-block .fdb-box {
  background-image: initial;
  background-position-x: initial;
  background-position-y: initial;
  background-size: initial;
  background-repeat-x: initial;
  background-repeat-y: initial;
  background-attachment: initial;
  background-origin: initial;
  background-clip: initial;
  background-color: rgb(255, 255, 255);
  color: rgb(68, 68, 68);
  padding-top: 60px;
  padding-right: 40px;
  padding-bottom: 60px;
  padding-left: 40px;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  border-bottom-left-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.12) 0px 1px 3px, rgba(0, 0, 0, 0.24) 0px 1px 2px;
  overflow-x: hidden;
  overflow-y: hidden;
}
.fdb-block .text-h1,
.fdb-block h1 {
  font-size: 2.75rem;
  padding-bottom: 0.5em;
  padding-top: 0.3em;
  font-weight: 400;
}
a {
  color: rgb(0, 123, 255);
  text-decoration-line: none;
  text-decoration-style: initial;
  text-decoration-color: initial;
  background-color: transparent;
}
a:hover {
  color: rgb(0, 86, 179);
  text-decoration-line: underline;
  text-decoration-style: initial;
  text-decoration-color: initial;
}
#ixp7d {
  color: #555555;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #222222;
  font-size: 1.4rem;
  padding: .7rem 0 .1rem 0;
}
#ibfv9 {
  font-size: .8rem;
  color: #7E7E7E;
}

.cell {
  width: 50%;
  display: block;
  text-align: center;
}

/* #ic5et {
  padding-bottom: 30px;
  background-color: #fdfdfd;
  padding-top: 30px;
  font-size: 20px;

  padding-right: 20px;

  padding-left: 20px;
} */
#i1nx5 {
  padding: 10px;
}
#irpmg {
  padding: 10px;
}
#iymv4 {
  padding: 10px;
}
.title1 {
  font-size: 1.6rem;
  font-weight: 600;
  padding-top: 60px;
  color: #222;
  padding-right: 20px;
  text-align: center;
  padding-left: 20px;
}
#title2 {
  padding-top: 15px;
  font-size: 1.1rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #4D4D4D;
  line-height: 2rem;
  padding-right: 30px;
  padding-left: 30px;
}

#bottom {
  padding-top: 3px;
  padding-bottom: 30px;
  text-align: center;
  color: #666666;
  font-weight: 500;
  padding-right: 20px;
  padding-left: 20px;
  font-size: 0.9rem;
}