h1 {
  margin-top: 50px;
  margin-bottom: 50px;
  font: italic bold 80px/1 Arial;
  color: #428bca;
  text-shadow: 2px 2px 0 #6d8aa3;
}
h2 {
  margin-top: 50px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eaecef;
}
h3 {
  margin-top: 40px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #eaecef;
}
aside {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  height: 100%;
  width: 256px;
  padding: 15px;
  overflow: auto;
  border-right: 1px solid #eee;
  background-color: #fff;
  transform: translateX(-100%);
  transition: transform 200ms;
}
aside ul,
aside ol {
  padding-left: 2em;
}
main {
  padding-top: 1px;
  transition: margin-left 200ms;
}
.content {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
}
@media (min-width: 768px) {
  .content {
    padding-left: 30px;
    padding-right: 30px;
  }
}

.aside-button {
  position: fixed;
  top: 10px;
  z-index: 10;
  height: 30px;
  padding: 0 10px;
  font-size: 16px;
  line-height: 30px;
  background-color: #fff;
  color: #999;
  cursor: pointer;
  border-radius: 3px;
}
.aside-button:hover {
  color: #000;
}
.mask {
  position: fixed;
  top: 0;
  left: 0;
  display: none;
  z-index: 15;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  animation: maskFade 200ms;
}
@keyframes maskFade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

body.show aside {
  transform: none;
}
body.show:not(.large) aside {
  box-shadow: 2px 0 4px -1px rgba(0, 0, 0, 0.2), 4px 0 5px 0 rgba(0, 0, 0, 0.14),
    1px 0 10px 0 rgba(0, 0, 0, 0.12);
}
body.show.large main {
  margin-left: 270px;
}
body.show:not(.large) .mask {
  display: block;
}

.arrow {
  width: 0.5em;
  height: 0.5em;
  display: inline-block;
  vertical-align: middle;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transition: -webkit-transform 300ms;
  transition: -webkit-transform 300ms;
  -o-transition: -o-transform 300ms;
  -moz-transition: transform 300ms, -moz-transform 300ms;
  transition: transform 300ms;
  transition: transform 300ms, -webkit-transform 300ms, -moz-transform 300ms,
    -o-transform 300ms;
}

.adaptive-img {
  max-width: 100%;
  height: auto;
}

/* 案例 - start */
.demo {
  margin-bottom: 20px;
}
.demo-header {
  margin-bottom: 10px;
  border-bottom: 1px solid #efefef;
  overflow: hidden;
}
.demo-label {
  float: left;
  margin-bottom: -1px;
  padding: 10px 30px;
  cursor: pointer;
}
.demo-label.galaxy-label-active {
  border-bottom: 3px solid #428bca;
}
.demo-code {
  display: none;
}
/* 案例 - end */

/* 轮播图 - start */
.carousel {
  position: relative;
  max-width: 800px;
  height: 320px;
  overflow: hidden;
}

.carousel-stack {
  height: auto;
}

.carousel-stack .carousel-slide {
  width: 320px;
  height: 180px;
}

.carousel-stack .carousel-slide img {
  box-sizing: border-box;
  display: block;
  width: 100%;
  height: 100%;
  border: 4px solid #efefef;
  object-fit: cover;
}

.carousel-stack-vertical {
  height: 320px;
}

.carousel-stack-vertical .carousel-slide {
  width: 100%;
  height: 180px;
}

.carousel-wrapper {
  position: relative;
  padding-left: 0;
  margin: 0;
  z-index: 1;
}
.carousel-slide {
  list-style: none;
}
.carousel-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-pagination {
  position: absolute;
  bottom: 20px;
  left: 50%;
  z-index: 2;
  box-sizing: content-box;
  height: 12px;
  line-height: 1;
  padding: 4px 8px;
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -o-transform: translateX(-50%);
  transform: translateX(-50%);
  background-color: hsla(39, 100%, 10%, 0.3);
  -webkit-border-radius: 12px;
  -moz-border-radius: 12px;
  border-radius: 12px;
  white-space: nowrap;
}

.carousel-pagination span {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin: 0 6px;
  -webkit-border-radius: 100%;
  -moz-border-radius: 100%;
  border-radius: 100%;
  background-color: hsla(39, 100%, 100%, 0.95);
  cursor: pointer;
}

.carousel-pagination span.active {
  background-color: hsla(39, 100%, 10%, 0.95);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  margin-top: -30px;
  width: 34px;
  height: 60px;
  background: url(../img/arrow.png) no-repeat;
  background-color: rgba(0, 0, 0, 0.2);
}

.carousel-arrow:hover {
  background-color: rgba(0, 0, 0, 0.6);
}

.carousel-prev {
  left: 0;
  background-position: 0 17px;
}

.carousel-next {
  right: 0;
  background-position: right 17px;
}
/* 轮播图 - end */

/* 回到页面底部 - start */
.gototop {
  position: fixed;
  right: 20px;
  bottom: 100px;
  z-index: 10;
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.4);
  text-align: center;
  line-height: 40px;
  cursor: pointer;
  color: #fff;
}

.gototop:hover {
  background-color: rgba(0, 0, 0, 0.6);
}

.gototop .arrow {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -o-transform: rotate(-45deg);
  transform: rotate(-45deg);
}
/* 回到页面底部 - end */

/* 底部 -start */
.iframe-footer {
  display: block;
  width: 100%;
  height: 60px;
  margin-top: 50px;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

footer {
  box-sizing: border-box;
  padding: 15px;
  background-color: #292724;
}

.copyright {
  max-width: 1300px;
  margin-left: auto;
  margin-right: auto;
  color: #fff;
}
/* 底部 - end */

/* 手风琴 - start */
.accordion-header {
  padding: 10px 15px;
  background-color: rgba(0, 0, 0, 0.03);
  cursor: pointer;
}

.accordion-item {
  border: 1px solid rgba(0, 0, 0, 0.15);
}
.accordion-item:not(:first-child) {
  border-top: none;
}

.accordion-header .arrow {
  margin-right: 5px;
}

.accordion-header.galaxy-label-active .arrow {
  -webkit-transform: rotate(135deg);
  -moz-transform: rotate(135deg);
  -ms-transform: rotate(135deg);
  -o-transform: rotate(135deg);
  transform: rotate(135deg);
}

.accordion-content {
  padding: 15px;
}
/* 手风琴 - end */

/* tabs - start */
.tabs-label {
  box-sizing: content-box;
  position: relative;
  z-index: 1;
  display: inline-block;
  height: 26px;
  line-height: 26px;
  text-align: center;
  cursor: pointer;
  padding: 5px 17px;
  color: #464646;
  font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
  cursor: default;
}

/* .tabs-label::after {
    background: #fff;
    border: 1px #ccc solid;
    border-bottom: none;
} */

.tabs-label::after {
  box-sizing: content-box;
  content: "";
  position: absolute;
  top: 4px;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  -webkit-transform: scale(1.1, 1.3) perspective(0.5em) rotateX(2.2deg);
  -moz-transform: scale(1.1, 1.3) perspective(0.5em) rotateX(2.2deg);
  transform: scale(1.1, 1.3) perspective(0.5em) rotateX(2.2deg);
  -webkit-transform-origin: bottom left;
  -moz-transform-origin: bottom left;
  -ms-transform-origin: bottom left;
  -o-transform-origin: bottom left;
  transform-origin: bottom left;
  background: #eee;
  -webkit-border-top-left-radius: 2px;
  -moz-border-radius-topleft: 2px;
  border-top-left-radius: 2px;
  -webkit-border-top-right-radius: 2px;
  -moz-border-radius-topright: 2px;
  border-top-right-radius: 2px;
}

.tabs-label.galaxy-label-active {
  color: #010101;
  z-index: 2;
}

.tabs-label.galaxy-label-active::after {
  background-color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-bottom: none;
  bottom: -1px;
}

.tabs-body {
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.tabs-panel {
  padding: 15px;
}
/* tabs - end */

/* 跑马灯 - start */
.marquee {
  display: inline-block;
  vertical-align: top;
  width: 280px;
  max-width: 100%;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.2);;
}

.marquee-header {
  padding: 5px 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);;
}

.marquee-title {
  display: inline-block;
  line-height: 2;
  vertical-align: middle;
}

.marquee-header-extra {
  float: right;
  vertical-align: middle;
  overflow: hidden;
}

.marquee-prev,
.marquee-next {
  position: relative;
  float: left;
  padding: 2px 5px;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.marquee-prev {
  -webkit-border-top-left-radius: 3px;
  -moz-border-radius-topleft: 3px;
  border-top-left-radius: 3px;
  -webkit-border-bottom-left-radius: 3px;
  -moz-border-radius-bottomleft: 3px;
  border-bottom-left-radius: 3px;
}

.marquee-prev .arrow {
  margin-left: 5px;
  -webkit-transform: rotate(-135deg);
  -moz-transform: rotate(-135deg);
  -ms-transform: rotate(-135deg);
  -o-transform: rotate(-135deg);
  transform: rotate(-135deg);
}

.marquee-next {
  margin-left: -1px;
  -webkit-border-top-right-radius: 3px;
  -moz-border-radius-topright: 3px;
  border-top-right-radius: 3px;
  -webkit-border-bottom-right-radius: 3px;
  -moz-border-radius-bottomright: 3px;
  border-bottom-right-radius: 3px;
}

.marquee-next .arrow {
  margin-right: 5px;
}

.marquee-prev.galaxy-button-down,
.marquee-next.galaxy-button-down {
  z-index: 1;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.2);;
}

.marquee-body {
  height: 240px;
  margin: 10px;
  overflow: hidden;
}
.marquee-content {
  padding-left: 0;
  list-style: none;
}
.marquee-body li {
  color: #666;
  padding: 5px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);;
}

.marquee-horizontal .marquee-content {
  height: 100%;
}
.marquee-horizontal .marquee-body li {
  float: left;
  height: 100%;
  padding: 0 5px;
  border-bottom: none;
  border-right: 1px solid rgba(0, 0, 0, 0.2);
  writing-mode: tb-rl;
  -webkit-writing-mode: vertical-rl;
  writing-mode: vertical-rl;
}
/* 跑马灯 - end */

/* 菜单 - start */
.menu {
  background-color: #f2f2f2;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.menu::after {
  content: "";
  display: table;
  clear: both;
}

.menu-item {
  position: relative;
  float: left;
}

.menu-item:not(:last-child) {
  margin-right: 10px;
}

.menu-item .arrow {
  margin-bottom: 5px;
  margin-left: 2px;
  -webkit-transform: rotate(135deg);
  -moz-transform: rotate(135deg);
  -ms-transform: rotate(135deg);
  -o-transform: rotate(135deg);
  transform: rotate(135deg);
}

.menu-link {
  float: left;
  padding: 0 15px;
  line-height: 40px;
  color: inherit;
  text-decoration: none;
  cursor: default;
}
.menu-link:hover {
  text-decoration: none;
}

a.menu-link {
  cursor: pointer;
}

.menu-item.active .menu-link {
  background-color: rgba(0,0,0,.15);
  /* color: #fff; */
}

.submenu {
  position: absolute;
  top: 40px;
  left: 0;
  z-index: 1;
  display: none;
  width: 170px;
  background-color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.submenu-item {
  display: block;
  padding: 0 15px;
  line-height: 30px;
  color: inherit;
  text-decoration: none;
}

.submenu-item:not(:last-child) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.submenu-item:hover {
  text-decoration: none;
  background-color: rgba(0,0,0,.15);
}
/* 菜单 - end */

/* 滚动监听 - start */
.scrollspy-header {
  height: 41px;
}
.scrollspy-title {
  margin-top: 30px;
  margin-bottom: 20px;
  text-align: center;
}
.scrollspy-nav {
  background-color: #f2f2f2;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
}

.scrollspy-nav.galaxy-fixed:not(.overdo) {
  position: fixed;
  top: 0;
  z-index: 9;
  width: 1140px;
  -webkit-box-shadow: 0 1px 5px rgba(0, 0, 0, 0.125);
  -moz-box-shadow: 0 1px 5px rgba(0, 0, 0, 0.125);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.125);
}

.scrollspy-nav::after {
  content: "";
  display: table;
  clear: both;
}

.scrollspy-nav-item {
  position: relative;
  float: left;
  margin: 0 10px;
  padding: 0 30px;
  text-decoration: none;
  color: #333;
  font-size: 16px;
  line-height: 40px;
}

.scrollspy-nav-item.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 4px;
  background-color: #428bca;
}

.scrollspy-img {
  padding: 15px;
}

.scrollspy-img img {
  box-sizing: border-box;
  max-width: 100%;
  border: 15px solid #f2f2f2;
}

.scrollspy-panel-header {
  margin-top: 20px;
  font-weight: bold;
  color: #333;
}

.scrollspy-panel-header:before {
  content: "";
  display: block;
  height: 50px;
  margin-top: -50px;
}
/* 滚动监听 - end */

.subparam td:first-child {
  padding-left: 3em;
}