* {
  margin: 0;
  padding: 0;
}
body {
  width: 100%;
}
a {
  text-decoration: none;
  color: inherit;
}
input,
textarea {
  outline: none;
}
a,
button {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
li {
  list-style: none;
}
.wrapper {
  overflow: hidden;
  max-width: 1300px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.clear {
  clear: both;
}
.clear::after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
.title {
  margin-top: 50px;
  padding-bottom: 30px;
  position: relative;
}
.title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 5px;
  background: #353c46;
}
.title dt {
  font-size: 40px;
  font-weight: 400;
  color: #252525;
  line-height: 56px;
}
.title dd {
  margin-top: 4px;
  font-size: 30px;
  font-weight: 400;
  color: #252525;
  line-height: 42px;
}

#index .body {
  overflow: hidden;
  font-size: 0px;
}
#index .body .left {
  display: inline-block;
  vertical-align: top;
  width: 570px;
  font-size: 20px;
}
#index .body .left .text {
  font-size: 18px;
  font-weight: 400;
  color: #929292;
  line-height: 27px;
  padding: 70px 0;
}
#index .body .right {
  margin-left: 140px;
  width: 490px;
  display: inline-block;
  vertical-align: top;
  font-size: 20px;
  margin-top: 97px;
}
#index .body .right img {
  width: 100%;
}

#product .card-list {
  margin: 0 auto;
  overflow: hidden;
  max-width: 1400px;
  padding-bottom: 38px;
}
#product .card-list .box {
  margin: 95px 120px 0;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  -webkit-box-pack: justify;
  justify-content: space-between;
}
#product .card-list .box .m-download-button {
  display: none;
}
#product .card-list .box .pic {
  width: 400px;
  height: 480px;
  display: block;
}
#product .card-list .box .detail {
  width: 570px;
}
#product .card-list .box .detail .title {
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  padding-bottom: 40px;
  position: relative;
}
#product .card-list .box .detail .title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 5px;
  background: #1478f0;
}
#product .card-list .box .detail .title .logo {
  width: 102px;
  height: 102px;
  vertical-align: top;
}
#product .card-list .box .detail .title .name {
  -moz-box-flex: 1;
  -ms-flex: 1;
  -webkit-box-flex: 1;
  flex: 1;
  margin-left: 20px;
  width: 0px;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -moz-box-orient: vertical;
  -moz-box-direction: normal;
  -ms-flex-direction: column;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  flex-direction: column;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  -webkit-box-pack: center;
  justify-content: center;
}
#product .card-list .box .detail .title .name dt {
  font-size: 30px;
  font-family: PingFangSC-Medium;
  font-weight: 500;
  color: #252525;
  line-height: 30px;
}
#product .card-list .box .detail .title .name dd {
  font-size: 20px;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  color: #252525;
  line-height: 20px;
  margin-top: 14px;
}
#product .card-list .box .detail .desc {
  margin-top: 100px;
}
#product .card-list .box .detail .desc p {
  font-size: 18px;
  font-family: PingFangSC-Regular;
  font-weight: 400;
  color: #929292;
  line-height: 27px;
  margin-top: 13px;
}
#product .card-list .box .detail .desc p:nth-of-type(1) {
  margin-top: 0px;
}
#product .card-list .box .detail .download {
  margin-top: 73px;
  width: 200px;
  height: 50px;
  line-height: 50px;
  position: relative;
  background: #ffffff;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  border: 2px solid #1478f0;
  cursor: pointer;
}
#product .card-list .box .detail .download:hover .image {
  opacity: 1;
  -webkit-transform: translateX(0%);
  -ms-transform: translateX(0%);
  transform: translateX(0%);
}
#product .card-list .box .detail .download:hover .button {
  color: #1478f0;
  background: #ffffff;
}
#product .card-list .box .detail .download .button {
  width: 100%;
  height: 100%;
  text-align: center;
  font-size: 18px;
  font-family: PingFangSC-Medium;
  font-weight: 500;
  background: #1478f0;
  color: #ffffff;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
#product .card-list .box .detail .download.disabled {
  border-color: #bbbbbb;
  background: #bbbbbb;
  color: #ffffff;
}
#product .card-list .box .detail .download.disabled .button {
  border-color: #bbbbbb;
  background: #bbbbbb;
  color: #ffffff;
}
#product .card-list .box .detail .download .image {
  -webkit-transition: 0.3s;
  transition: 0.3s;
  opacity: 0;
  width: 136px;
  height: 136px;
  position: absolute;
  left: 100%;
  top: 50%;
  -webkit-transform: translateX(-10%);
  -ms-transform: translateX(-10%);
  transform: translateX(-10%);
  margin-top: -74px;
  margin-left: 20px;
  border: solid 7px #1478F0;
  z-index: 2;
}
#product .card-list .box .detail .download .image:after {
  content: '';
  left: 0;
  top: 50%;
  position: absolute;
  border-top: solid 10px #1478F0;
  border-left: solid 10px #1478F0;
  -webkit-transform: rotate(-45deg) translateY(-133%) translateX(-40%);
  -ms-transform: rotate(-45deg) translateY(-133%) translateX(-40%);
  transform: rotate(-45deg) translateY(-133%) translateX(-40%);
  z-index: -1;
}
#product .card-list .box .detail .download .image img {
  vertical-align: top;
  width: 100%;
  height: 100%;
}
#product .card-list .box:nth-of-type(2n) {
  -moz-box-orient: horizontal;
  -moz-box-direction: reverse;
  -ms-flex-direction: row-reverse;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: reverse;
  flex-direction: row-reverse;
}

#header {
  height: 660px;
  position: relative;
}
#header .wrapper {
  overflow: hidden;
}
#header:after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 291px;
  background: -webkit-gradient(linear, left top, left bottom, from(#000000), to(rgba(0, 0, 0, 0)));
  background: -webkit-linear-gradient(top, #000000 0%, rgba(0, 0, 0, 0) 100%);
  background: linear-gradient(180deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
}
#header .logo {
  color: #fff;
  float: left;
  font-size: 25px;
  margin-top: 26px;
  font-weight: 600;
  line-height: 36px;
  margin-right: 70px;
  vertical-align: top;
}
#header .nav {
  overflow: hidden;
  font-size: 0px;
}
#header .nav:after {
  clear: both;
  display: inline-block;
  content: "";
}
#header .nav li {
  width: 20%;
  height: 28px;
  position: relative;
  display: inline-block;
  vertical-align: top;
  font-size: 30px;
  text-align: center;
  line-height: 28px;
  padding-top: 30px;
}
#header .nav li i {
  display: none;
}
#header .nav li::after {
  content: '';
  width: 2px;
  background: #ffffff;
  -webkit-border-radius: 1px;
  border-radius: 1px;
  opacity: 0.2;
  position: absolute;
  right: 0;
  top: 30px;
  bottom: 0;
}
#header .nav li:nth-of-type(1)::before {
  content: '';
  width: 2px;
  background: #ffffff;
  -webkit-border-radius: 1px;
  border-radius: 1px;
  opacity: 0.2;
  position: absolute;
  left: 0;
  top: 30px;
  bottom: 0;
}
#header .nav li.active a {
  color: #FFB600;
}
#header .nav li.active i {
  height: 7px;
  background: #ffb600;
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  display: block;
}
#header .nav li a {
  font-size: 20px;
  color: #ffffff;
  vertical-align: top;
}

.footer {
  padding: 40px 0;
  background: #ededed;
}
.footer .wrapper li {
  margin-top: 4px;
  font-size: 16px;
  font-weight: 400;
  color: #353c46;
  line-height: 25px;
}
.footer .wrapper li:nth-of-type(1) {
  margin-top: 0px;
}
.footer .wrapper li a {
  color: #1A5EFF;
}
.footer .wrapper li.rule-actions a {
  color: #D9001B;
  display: inline-block;
  font-weight: bold;
  margin-right: 10px;
}
.footer .mask {
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  z-index: 200;
  position: fixed;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  background-color: rgba(0, 0, 0, 0.5);
}
.footer .mask .scroll-mask {
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  position: absolute;
  overflow: hidden;
  max-width: 1000px;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  background-color: #fff;
}
.footer .mask .scroll-mask .close {
  right: 15px;
  width: 30px;
  bottom: 15px;
  height: 30px;
  border: none;
  cursor: pointer;
  display: block;
  position: absolute;
  z-index: 200;
  background: url(data:image/png;base64,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) no-repeat center center;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  -webkit-background-size: cover;
  background-size: cover;
}
.footer .mask .scroll-mask .rule-c {
  width: 100%;
  height: 100%;
  padding: 26px;
  display: none;
  overflow: auto;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.footer .mask .scroll-mask .rule-c.active {
  display: block;
}
.footer .mask .scroll-mask .rule-c > .rule-wrap > .r-list > .r-item {
  margin-left: 0;
}
.footer .mask .scroll-mask .rule-c::-webkit-scrollbar {
  width: 4px;
  height: 8px;
  background-color: #f0f0f0;
  /* or add it to the track */
}
.footer .mask .scroll-mask .rule-c::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.5);
}
.footer .main {
  display: block;
  z-index: 10;
}
.footer .active {
  display: block;
}

.rule-wrap {
  font-size: 16px;
  line-height: 1.6;
}
.rule-wrap .r-title {
  margin: 16px 0 16px 0;
  font-size: 20px;
  text-align: center;
}
.rule-wrap .r-list .r-item {
  margin-top: 16px;
  margin-left: 1em;
  line-height: 1.6;
}
.r-item .r-item {
  margin-top: 10px!important;
}

.book {
  width: 50%;
  float: left;
  height: 210px;
  position: relative;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin-top: 50px;
}
.book > img {
  width: 160px;
  float: left;
}
.book > .book-info {
  height: 100%;
  overflow: hidden;
  position: relative;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  padding-left: 20px;
  padding-bottom: 56px;
}
.book > .book-info h3.book-name {
  font-size: 16px;
  margin-top: 16px;
}
.book > .book-info p.book-desc {
  font-size: 14px;
  margin-top: 16px;
}
.book > .book-info > a {
  color: #fff;
  right: 0;
  width: 150px;
  bottom: 0;
  height: 46px;
  border: none;
  display: block;
  position: absolute;
  font-size: 14px;
  text-align: center;
  line-height: 46px;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  background-color: #f78311;
}
.book:nth-of-type(even) {
  padding-left: 20px;
}
.book:nth-of-type(odd) {
  padding-right: 20px;
}

.mobile-navs {
  display: none;
}
.mobile-navs .m-bar {
  top: 0.2rem;
  right: 10px;
  width: 36px;
  height: 36px;
  padding: 4px 6px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  position: fixed;
  z-index: 105;
  -webkit-box-align: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -moz-box-orient: vertical;
  -moz-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -ms-flex-pack: distribute;
  justify-content: space-around;
  background-color: #000;
}
.mobile-navs .m-bar i {
  width: 100%;
  height: 0.04rem;
  -webkit-transition: all 0.2s linear;
  transition: all 0.2s linear;
  background-color: #ffffff;
}
.mobile-navs .m-bar.active i:nth-of-type(1) {
  -webkit-transform: translateY(9px) rotate(45deg);
  -ms-transform: translateY(9px) rotate(45deg);
  transform: translateY(9px) rotate(45deg);
}
.mobile-navs .m-bar.active i:nth-of-type(2) {
  opacity: 0;
}
.mobile-navs .m-bar.active i:nth-of-type(3) {
  -webkit-transform: translateY(-9px) rotate(-45deg);
  -ms-transform: translateY(-9px) rotate(-45deg);
  transform: translateY(-9px) rotate(-45deg);
}
.mobile-navs .nav {
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 100;
  position: fixed;
  -webkit-transform: translateY(-100%);
  -ms-transform: translateY(-100%);
  transform: translateY(-100%);
  -webkit-transition: all 0.3s ease-in-out;
  transition: all 0.3s ease-in-out;
  padding-top: 60px;
  background-color: rgba(0, 0, 0, 0.8);
}
.mobile-navs .nav.active {
  -webkit-transform: translateY(0);
  -ms-transform: translateY(0);
  transform: translateY(0);
}
.mobile-navs .nav li {
  height: 28px;
  padding: 0.1rem 0;
  font-size: 0.24rem;
  text-align: center;
  line-height: 28px;
}
.mobile-navs .nav li a {
  color: #e9e9e9;
  font-size: 0.24rem;
}
.mobile-navs .nav li.active {
  color: #fff;
  background-color: #FFB600;
}

@media screen and (max-width: 1260px) {
  body #header {
    height: 550px;
  }
  body #header:after {
    height: 1.4rem;
  }
  body #header .logo {
    font-size: 0.25rem;
    padding-top: 0px;
    margin-top: 0.26rem;
    margin-left: 0.2rem;
  }
  body #header .nav {
    margin-right: 0px;
  }
  body #header .nav li {
    width: 1.3rem;
    padding-top: 0.3rem;
  }
  body #header .nav li.active i {
    height: 0.07rem;
  }
  body #header .nav li a {
    font-size: 0.18rem;
  }
  body .footer {
    padding: 0.2rem 0;
  }
  body .footer .wrapper li {
    text-align: center;
    font-size: 0.18rem;
    line-height: 1.5;
  }
  body .title {
    margin-top: 0.35rem;
    padding-bottom: 0.3rem;
  }
  body .title dt {
    font-size: 0.4rem;
    line-height: 1em;
  }
  body .title dd {
    line-height: 1em;
  }
  body #index .body .left {
    width: auto;
  }
  body #index .body {
    padding: 0 0.1rem;
  }
  body #index .body .left .text {
    padding: 0.35rem 0;
    font-size: 0.26rem;
    line-height: 1.5;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -moz-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }
  body #index .body .right {
    width: 100%;
    margin: 0 auto;
  }
  body #index .body .right img {
    width: 100%;
  }
  body #about .wrapper,
  body #product .wrapper {
    padding: 0 0.1rem;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  body #about .wrapper .block,
  body #about .wrapper .desc {
    font-size: 0.26rem;
    line-height: 1.4;
    margin-top: 0.2rem;
  }
  body #about .wrapper .desc {
    margin: 0.5rem 0 0.35rem;
  }
  body #recruit .wrapper {
    padding: 0 0.1rem;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  body #recruit .wrapper > h1 {
    line-height: 0.5rem;
  }
  body #recruit .wrapper > p {
    line-height: 0.33rem;
  }
  body #recruit .wrapper .job-list .job-item .d,
  body #recruit .wrapper .job-list .job-item .c {
    line-height: 0.33rem;
  }
  body #recruit .wrapper .job-list .job-item .d-text,
  body #recruit .wrapper .job-list .job-item .c-text {
    line-height: 0.38rem;
  }
  body #recruit .wrapper .contact {
    padding-bottom: 1rem;
  }
  body #recruit .wrapper .contact p {
    line-height: 0.38rem;
  }
  body #recruit .f-b {
    font-size: 0.36rem;
  }
  body #recruit .f-s {
    font-size: 0.22rem;
  }
  body #recruit .f-n {
    font-size: 0.24rem;
  }
  body #recruit .m-t-15 {
    margin-top: 0.15rem;
  }
  body #recruit .m-t-10 {
    margin-top: 0.1rem;
  }
  body #recruit .m-t-55 {
    margin-top: 0.55rem;
  }
  body #recruit .m-t-40 {
    margin-top: 0.4rem;
  }
  body #recruit .block {
    color: #ffffff;
    width: 1.53rem;
    height: 0.62rem;
    margin: 0.43rem auto 0.2rem;
    background: #353c46;
    line-height: 0.62rem;
    font-weight: normal;
    -webkit-border-radius: 6px;
    border-radius: 6px;
  }
  body #product .card-list .card-item .card-title {
    font-size: 32px;
    margin-top: 50px;
    line-height: 45px;
  }
  body #product .card-list .card-item .card-desc {
    font-size: 22px;
  }
  body #product .card-list .card-item .card-img {
    width: 250px;
    margin-top: 35px;
  }
  #product {
    padding-bottom: 0px;
    background: #f6f7f8;
  }
  #product .card-list {
    overflow: hidden;
    position: relative;
    margin-top: -45px;
    z-index: 9;
  }
  #product .card-list .box {
    -moz-box-orient: vertical;
    -moz-box-direction: reverse;
    -ms-flex-direction: column-reverse;
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
    flex-direction: column-reverse;
    margin: 15px;
    background: #ffffff;
  }
  #product .card-list .box .m-download-button {
    display: block;
    width: 200px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    margin: 20px auto;
    background: #1478f0;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 500;
    color: #ffffff;
  }
  #product .card-list .box .m-download-button.disabled {
    background: #bbbbbb;
  }
  #product .card-list .box:nth-of-type(2n) {
    -moz-box-orient: vertical;
    -moz-box-direction: reverse;
    -ms-flex-direction: column-reverse;
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
    flex-direction: column-reverse;
  }
  #product .card-list .box .pic {
    width: 100%;
    height: auto;
    vertical-align: top;
  }
  #product .card-list .box .detail {
    width: auto;
    padding: 10px;
  }
  #product .card-list .box .detail .title {
    padding-bottom: 20px;
  }
  #product .card-list .box .detail .title::after {
    left: 10px;
  }
  #product .card-list .box .detail .title .logo {
    width: 84px;
    height: 84px;
    margin-right: 10px;
  }
  #product .card-list .box .detail .title .name {
    margin-left: 0px;
  }
  #product .card-list .box .detail .title .name dt {
    font-size: 24px;
    font-weight: 500;
    color: #252525;
    line-height: 24px;
  }
  #product .card-list .box .detail .title .name dd {
    font-size: 16px;
    color: #252525;
    line-height: 16px;
    margin-top: 10px;
  }
  #product .card-list .box .detail .desc {
    margin-top: 30px;
    font-size: 18px;
    color: #929292;
    line-height: 27px;
  }
  #product .card-list .box .detail .download {
    display: none;
    margin: 0 auto;
  }
  #product .card-list .box .detail .download:hover .image {
    display: none;
  }
}
@media only screen and (max-width: 1024px) {
  body #header {
    height: 4.2rem;
  }
  body #header .logo {
    margin-right: 0.35rem;
  }
  body #header .nav {
    text-align: right;
    margin-right: 0px;
    padding-right: 0.2rem;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  body #header .nav li {
    width: 1.2rem;
    padding-top: 0.3rem;
  }
  body #product .card-list .card-item .card-title {
    font-size: 26px;
    margin-top: 40px;
    line-height: 35px;
  }
  body #product .card-list .card-item .card-desc {
    font-size: 18px;
  }
  body #product .card-list .card-item .card-img {
    width: 240px;
    margin-top: 30px;
  }
}
@media only screen and (max-width: 860px) {
  body #header .nav {
    display: none;
  }
  body .mobile-navs {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
  }
  body #product .card-list .card-item {
    width: 100%;
  }
  body #product .card-list .card-item .card-title {
    font-size: 0.36rem;
    margin-top: 0.5rem;
    line-height: 0.55rem;
  }
  body #product .card-list .card-item .card-desc {
    font-size: 0.24rem;
  }
  body #product .card-list .card-item .card-img {
    width: 4.5rem;
    margin-top: 0.4rem;
  }
  body .book {
    width: 100%;
    height: 2.11rem;
    padding: 0;
    overflow: hidden;
    margin-top: 0.4rem;
  }
  body .book img {
    width: 1.6rem;
  }
  body .book .book-info {
    padding-bottom: 0;
  }
  body .book .book-info .book-name {
    font-size: 16px;
    margin-top: 0.1rem;
  }
  body .book .book-info .book-desc {
    display: -webkit-box;
    overflow: hidden;
    font-size: 14px;
    margin-top: 0.1rem;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  body .book .book-info .read {
    width: 1.5rem;
    height: 0.5rem;
    font-size: 12px;
    line-height: 0.5rem;
  }
  body #center {
    padding-bottom: 0.5rem;
  }
  body #center .wrapper {
    padding: 0 10px;
    overflow: hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  body #center .wrapper > .book {
    width: 100%;
    height: 2.11rem;
    padding: 0;
    overflow: hidden;
    margin-top: 0.4rem;
  }
  body #center .wrapper > .book > img {
    width: 1.6rem;
  }
  body #center .wrapper > .book > .book-info {
    padding-bottom: 0;
  }
  body #center .wrapper > .book > .book-info .book-name {
    font-size: 16px;
    margin-top: 0.1rem;
  }
  body #center .wrapper > .book > .book-info .book-desc {
    display: -webkit-box;
    overflow: hidden;
    font-size: 14px;
    margin-top: 0.1rem;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  body #center .wrapper > .book > .book-info .read {
    width: 1.5rem;
    height: 0.5rem;
    font-size: 12px;
    line-height: 0.5rem;
  }
  body #book .wrapper .chapter {
    font-size: 12px;
    margin-top: 0.4rem;
    margin-bottom: 0.4rem;
  }
  body #book .wrapper .chapter button {
    width: 1.2rem;
    height: 0.5rem;
    font-size: 12px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
  }
  body #book .wrapper .chapter button ~ button {
    margin-left: 0.4rem;
  }
}