body {
  /* 设置最大宽度且居中 */
  min-height: 100%;
  min-width: 360px;
  margin: 0 auto;
  font: 400 14px/1.2 'Roboto', Helvetica, sans-serif;
  color: #212121;
  /* CSS3 抗锯齿形 让文字显示的更加清晰 */
  -webkit-font-smoothing: antialiased;
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
  -ms-text-size-adjust: none;
}
a {
  color: #FFFFFF;
}
a:hover {
  color: #276FDB !important;
}
.w {
  max-width: 1260px;
  margin: 0 auto;
}
header .top-links {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid #276FDB;
  padding: 10px 36px;
  position: relative;
  background: #000000;
  line-height: 28px;
}
header .top-links .publish {
  color: #FFFFFF;
}
header .top-links .publish:before {
  position: absolute;
  content: '';
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #276FDB;
  left: 24px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
}
header .top-links .user {
  width: 50%;
  display: flex;
  justify-content: flex-end;
}
header .top-links .user a {
  color: #FFFFFF;
  padding: 0 15px;
}
header .top-links .user a:hover {
  color: #FFFFFF !important;
  background-color: #276FDB;
  border-radius: 15px;
}
header .top-links .user .register {
  margin-right: 21px;
}
header .inner {
  display: flex;
  padding: 20px 10%;
  justify-content: space-between;
  background: #000000;
}
header .inner .logo {
  max-width: 300px;
}
header .inner .search-form {
  width: 50%;
}
header .inner .search-form form {
  display: flex;
  align-items: center;
}
header .inner .search-form form input {
  font: inherit;
  outline: none;
  margin: 0;
  border: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
header .inner .search-form form .search-select select {
  height: 50px;
  line-height: 50px;
  border-radius: 30px 0 0 30px;
  opacity: 0.8;
  outline: none !important;
  color: #999;
  font-size: initial;
  padding: 0px 20px;
  border: none;
  -webkit-appearance: none;
  /* 隐藏WebKit浏览器的默认样式（Chrome、Safari等）*/
  -moz-appearance: none;
  /* 隐藏Firefox浏览器的默认样式 */
  appearance: none;
  /* 隐藏其他浏览器的默认样式 */
  background-image: url(../images/slc.png);
  background-position: center right;
  background-repeat: no-repeat;
}
header .inner .search-form form .search-fields {
  position: relative;
  flex: 1;
  border-top-right-radius: 30px;
  border-bottom-right-radius: 30px;
  opacity: 0.8;
  overflow: hidden;
}
header .inner .search-form form .search-fields input {
  width: 100%;
  display: block;
  height: 50px;
  line-height: 50px;
  padding: 12px 18px;
  margin: 0;
  font-size: 16px;
}
header .inner .search-form form .search-fields button {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 60px;
  background: #276FDB url(../images/search.svg) center no-repeat;
  text-indent: -1000px px;
  overflow: hidden;
  cursor: pointer;
  border-radius: 20px;
  -webkit-transition: background 0.3s;
  transition: background 0.3s;
}
nav {
  background-color: #000000;
  border: 1px solid #1B1B1B;
  border-left: 0;
  border-right: 0;
  line-height: 16px;
}
nav .navigation {
  max-width: 1260px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex: 1 1;
  align-items: center;
}
nav .navigation li a {
  display: block;
  padding: 17px 4px;
  color: #FFFFFF;
  position: relative;
}
nav .navigation li a:after {
  position: absolute;
  content: '';
  left: 0;
  bottom: 0;
  background-color: #276FDB;
  height: 3px;
  width: 0;
  -webkit-transition: width 0.3s;
  transition: width 0.3s;
}
nav .navigation li a:hover::after {
  width: 100%;
}
nav .navigation li:last-child {
  background-color: #276FDB;
}
nav .navigation li:last-child a {
  color: #FFFFFF !important;
}
section {
  background-color: #151515;
}
section .friendlylink .links {
  display: flex;
  flex-wrap: wrap;
}
section .friendlylink .links a {
  font-weight: 600;
  width: 10%;
  color: #212121;
  line-height: 30px;
  text-align: center;
  border-bottom: 1px solid #276FDB;
  border-right: 1px solid #276FDB;
  font-family: Microsoft JhengHei, Arial, Helvetica, sans-serif, Simsun, Tahoma;
}
section .friendlylink .links a:nth-child(-n+1) {
  border-top: 1px solid #276FDB;
  border-left: 1px solid #276FDB;
  width: 100%;
  line-height: 36px;
}
section .friendlylink .links a:nth-child(2),
section .friendlylink .links a:nth-child(12),
section .friendlylink .links a:nth-child(22) {
  border-left: 1px solid #276FDB;
}
section .friendlylink .icon {
  margin-top: 15px;
  display: flex;
  text-align: center;
  flex-wrap: wrap;
}
section .friendlylink .icon a {
  width: 10%;
  text-align: center;
  font-family: Microsoft JhengHei, Arial, Helvetica, sans-serif, Simsun, Tahoma;
}
section .friendlylink .icon a img {
  display: block;
  margin: 0 auto;
  width: 64px;
  border-radius: 6px;
}
section .friendlylink .ad {
  display: flex !important;
  flex-wrap: wrap;
}
section .friendlylink .ad a {
  width: 50%;
}
section .friendlylink .ad a img {
  width: 100%;
}
section .common {
  padding: 2rem 0 0;
}
.common-hd {
  display: flex;
  justify-content: space-between;
}
.common-hd h1 {
  color: #FFFFFF;
  font-size: 1.8rem;
}
.dropdown.show-dropdown .dropdown-content {
  display: block;
}
.dropdown {
  position: relative;
  display: inline-block;
  padding: 8px 5px;
  background-color: #212121;
  border-radius: 15px;
  color: #FFFFFF;
  text-align: center;
}
.dropdown:hover {
  border-radius: 15px 15px 0 0;
  background-color: #276FDB;
  color: #FFFFFF;
}
.dropdown:hover::dropdown-content {
  opacity: 1;
  visibility: visible;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.dropdown span {
  font-size: 18px;
}
.dropdown span:before {
  padding: 0 17px 0 0;
  content: '\e60b';
}
.dropdown span::after {
  padding: 0 0 0 17px;
  content: '\e648';
}
.dropdown .dropdown-content {
  display: none;
  position: absolute;
  background-color: #212121;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
  z-index: 1;
  top: 100%;
  width: 100%;
  right: 0;
}
.dropdown .dropdown-content a {
  color: #FFFFFF;
  padding: 8px 5px;
  display: block;
  text-align: center;
  background-color: #212121;
}
.dropdown .dropdown-content a:hover {
  color: #FFFFFF !important;
  background-color: #276FDB;
}
.common-bd {
  display: flex;
  flex-wrap: wrap;
}
.common-bd .common-sort {
  display: flex;
  flex-direction: column;
  border-radius: 5px;
  background-color: #000000;
  width: 250px;
  padding: 1rem;
  margin: 10px 0 0 0;
  height: fit-content;
}
.common-bd .common-sort ul {
  margin: 2.5rem 0 0 0;
  padding: 0 10px;
}
.common-bd .common-sort ul li a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  color: #FFFFFF;
  font-size: 14px;
  position: relative;
  padding: 0 0 5px;
  margin: 0 0 10px;
  cursor: pointer;
}
.common-bd .common-sort ul li a::before {
  position: absolute;
  content: '';
  left: 0;
  bottom: 0;
  width: 0%;
  height: 3px;
  background-color: #276FDB;
  -webkit-transition: width 0.3s;
  transition: width 0.3s;
}
.common-bd .common-sort ul li a span {
  color: #3F3F3F;
  font-size: 14px;
  font-weight: 400;
}
.common-bd .common-sort ul li a:hover::before {
  width: 100%;
}
.common-bd .common-sort ul li:hover span {
  color: #FFFFFF;
}
.common-bd .items {
  display: flex;
  flex-wrap: wrap;
  width: calc(100% - 250px);
}
.item {
  margin: 10px 0 0 10px;
  box-sizing: border-box;
  width: calc(25% - 10px);
  background-color: #000000;
  border-radius: 0 0 5px 5px;
}
.item a .cover {
  position: relative;
  padding-bottom: 60%;
}
.item a .cover img {
  position: absolute;
  width: 100%;
  height: 100%;
}
.item a:hover strong {
  color: #276FDB;
}
.item strong {
  padding: 1rem 1rem 0 1rem;
  margin: 0 0 5px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  overflow: hidden;
  color: #FFFFFF;
  line-height: 20px;
  font-size: 13px;
}
.item .wrap {
  padding: 0 10px 8px;
  display: flex;
  justify-content: space-between;
}
.item .wrap .like {
  color: #276FDB !important;
}
.item .wrap:nth-child(-n+4) div {
  font-size: 14px;
  color: #5F5F5F;
}
.mh {
  width: calc(16.66666% - 10px);
}
.mh a .cover {
  padding-bottom: 125%;
}
.tags {
  padding: 3rem 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.tags a {
  padding: 0.8rem 1rem;
  font-weight: bold;
  font-size: 15px;
  color: #FFFFFF;
  text-transform: uppercase;
}
.tags a:nth-child(-n+20) {
  margin: 1px 1px;
  border-radius: 20px;
  background-color: #276FDB;
  color: #FFFFFF;
}
.tags a:last-child {
  text-align: center;
  background-color: #212121;
  padding: 12px 20px;
  border-radius: 20px;
  width: 100%;
  margin: 10px 0;
}
.tags a:hover {
  border-radius: 20px;
  background-color: #276FDB;
  color: #FFFFFF !important;
}
.tags-all h1 {
  padding: 3rem 0 0;
  margin: 0 0 15px 10px;
  color: #FFFFFF;
}
.tags-all .tags-own {
  display: flex;
  flex-wrap: wrap;
}
.tags-all .tags-own a {
  display: block;
  font-size: 16px;
  padding: 6px;
  margin-left: 10px;
}
footer {
  padding: 3rem 5px;
  background-color: #000000;
}
footer nav {
  display: flex;
  justify-content: center;
}
footer nav a {
  display: block;
  color: #FFFFFF;
  border-radius: 15px;
  font-weight: 500;
  padding: 15px 2rem;
}
footer nav a:hover {
  border-radius: 20px;
  background-color: #276FDB;
  color: #FFFFFF !important;
}
footer .txt {
  padding: 6px 2rem;
  text-align: center;
  color: #828282;
}
.stui-page {
  width: 100%;
  padding-left: 250px;
  margin: 3rem 0 0;
  display: flex;
  justify-content: center;
}
.stui-page a {
  min-width: 35px;
  display: block;
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  padding: 8px;
  background-color: #212121;
  color: #FFFFFF;
  text-align: center;
}
.stui-page a:hover {
  color: #FFFFFF !important;
  background-color: #3F3F3F;
}
.stui-page b {
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  padding: 8px;
  min-width: 35px;
  color: #FFFFFF;
  background-color: #276FDB;
}
.page2 {
  padding: 0;
}
.content h1 {
  color: #FFFFFF;
  padding: 15px 0;
}
.content .box {
  display: flex;
  width: 100%;
}
.content .box .video {
  border-radius: 5px;
}
.content .box .video .player {
  height: 507px;
  width: 903px;
  background-color: BLACK;
  border-bottom: 1px solid #1B1B1B;
}
.content .box .video .video-info {
  display: flex;
  flex-wrap: wrap;
  padding: 2rem 2rem 0 2rem;
  background-color: #000000;
}
.content .box .video .video-info span {
  display: block;
  color: #888888;
  margin: 0 2.5rem 2rem 0;
}
.content .box .video .video-info span:nth-child(n+3) {
  color: #FFFFFF;
}
.content .box .video .video-info span em {
  color: #FFFFFF;
  margin-left: 3px;
}
.content .box .video .video-info span a {
  background-color: #212121;
  color: #FFFFFF;
  margin-left: 10px;
  font-weight: 500;
  border-radius: 15px;
  padding: 8px 10px;
}
.content .box .video .video-info span a:hover {
  color: #FFFFFF !important;
  background-color: #276FDB;
}
.content .box .video .video-info h3 {
  width: 100%;
  margin: 0 0 1.5rem 0;
  color: #FFFFFF;
}
.content .box .video .video-info h3 em {
  color: #FFFFFF;
}
.content .box .Recommended-label {
  margin-left: 1.7rem;
  padding: 10px 10px;
  border-radius: 5px;
  background-color: #000000;
  height: fit-content;
}
.content .box .Recommended-label h2 {
  color: #FFFFFF;
  padding-bottom: 10PX;
}
.content .box .Recommended-label .label {
  display: flex;
  flex-wrap: wrap;
  padding-top: 10PX;
}
.content .box .Recommended-label .label a {
  opacity: 0.9;
  filter: alpha(opacity=80);
  color: #FFFFFF;
  font-size: 14px;
  background-color: #428BCA;
  display: inline-block;
  margin: 0 5px 4px 0;
  padding: 3px 6px;
  border-radius: 2px;
}
.content .box .Recommended-label .label a:hover {
  color: #FFFFFF !important;
}
.content .box .Recommended-label .label a:nth-child(12n+1) {
  background-color: #428BCA;
}
.content .box .Recommended-label .label a:nth-child(12n+2) {
  background-color: #5CB85C;
}
.content .box .Recommended-label .label a:nth-child(12n+3) {
  background-color: #D9534F;
}
.content .box .Recommended-label .label a:nth-child(12n+4) {
  background-color: #567E95;
}
.content .box .Recommended-label .label a:nth-child(12n+5) {
  background-color: #FEC42D;
}
.content .box .Recommended-label .label a:nth-child(12n+6) {
  background-color: #B433FF;
}
.content .box .Recommended-label .label a:nth-child(12n+7) {
  background-color: #6E8B3D;
}
.content .box .Recommended-label .label a:nth-child(12n+8) {
  background-color: #00ABA9;
}
.content .box .Recommended-label .label a:nth-child(12n+9) {
  background-color: #969696;
}
.content .box .Recommended-label .label a:nth-child(12n+11) {
  background-color: #FF6600;
}
.content .box .Recommended-label .label a:nth-child(12n) {
  background-color: #4A4A4A;
}
.recommend {
  padding: 2rem 0 0 0;
}
.recommend span {
  display: inline-block;
  padding: 0 6px 0.9rem;
  position: relative;
  color: #276FDB;
}
.recommend span::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: #276FDB;
  width: 100%;
}
@media screen and (max-width: 1260px) and (min-width: 768px) {
  /* 在宽度介于 1260px 和 768px 之间的屏幕上应用以下样式 */
  header .inner {
    padding: 20px 10px;
  }
  section .common {
    padding: 1.5rem 0;
  }
  section .common .common-hd {
    padding: 0 4px;
  }
  section .common .common-bd .item {
    width: calc(25% - 12.5px);
  }
  section .common .common-bd .item:nth-child(4n) {
    margin: 10px 10px 0 10px;
  }
  section .common .common-bd .mh {
    width: calc(20% - 12.5px);
  }
  section .common .common-bd .mh:nth-child(4n) {
    margin: 10px 0 0 10px;
  }
  section .common .common-bd .mh:nth-child(5n) {
    margin: 10px 10px 0 10px;
  }
  section .common .common-bd .mh a .cover {
    padding-bottom: 125%;
  }
  section .tags {
    padding: 0;
  }
  section .tags a:last-child {
    margin: 10px 10px 0;
  }
  section .common .common-bd .common-sort {
    order: 2;
    width: 100%;
    margin: 1rem 0 0 0;
  }
  section .common .common-bd .common-sort ul {
    display: flex;
    flex-wrap: wrap;
    margin: 1.5rem 0 0 0;
  }
  section .common .common-bd .common-sort ul li {
    width: 25%;
    padding: 0 10px 0 0;
  }
  section .common .common-bd .items {
    width: 100%;
    padding: 0 0 1.5rem;
  }
  section .common .common-bd .stui-page {
    order: 1;
    padding: 0;
    margin: 0;
  }
  section .content h1 {
    margin: 0 10px;
  }
  section .content .box {
    flex-direction: column;
    margin: 0 2%;
    width: 96%;
  }
  section .content .box .video {
    width: 100%;
  }
  section .content .box .video .player {
    height: 430px;
    width: 100%;
  }
  section .content .box .video .video-info {
    order: -1;
    width: 100%;
    padding: 1.5rem 1.5rem 0 1.5rem;
  }
  section .content .box .video .video-info span {
    margin: 0 2rem 1.5rem 0;
  }
  section .content .box .video .video-info h3 {
    width: 100%;
    margin: 0 0 1.5rem 0;
  }
  section .content .box .Recommended-label {
    margin: 0;
  }
  section .recommend {
    padding: 1.5rem 0;
  }
  section .recommend span {
    margin: 0 0 0 10px;
  }
  section .recommend .common-bd .item {
    width: calc(25% - 12.5px);
  }
  section .recommend .common-bd .item:nth-child(4n) {
    margin: 10px 10px 0 10px;
  }
  section .recommend .common-bd .mh {
    width: calc(20% - 12.5px);
  }
  section .recommend .common-bd .mh:nth-child(4n) {
    margin: 10px 0 0 10px;
  }
  section .recommend .common-bd .mh:nth-child(5n) {
    margin: 10px 10px 0 10px;
  }
  footer {
    padding: 1.5rem 0;
  }
  footer .txt {
    padding: 0;
    margin: 0 0 15px;
  }
}
/* 适用于较小的屏幕 */
@media screen and (max-width: 767px) {
  /* 在宽度介于 1260px 和 768px 之间的屏幕上应用以下样式 */
  header .inner {
    padding: 10px 5px;
  }
  header .inner .logo {
    width: 30%;
  }
  header .inner .logo a img {
    width: 100%;
    height: 100%;
  }
  header .inner .search-form {
    width: 70%;
  }
  header .inner .search-form form .search-select select {
    height: 40px;
    line-height: 40px;
  }
  header .inner .search-form form .search-fields input {
    height: 40px;
    line-height: 40px;
    padding: 6px 6px 6px 0;
    font-size: 14px;
  }
  .ad a img {
    height: 40px;
    width: 100%;
  }
  section .friendlylink .links a {
    width: 25%;
  }
  section .friendlylink .links a:nth-child(12) {
    border-left: 0;
  }
  section .friendlylink .links a:nth-child(6),
  section .friendlylink .links a:nth-child(10),
  section .friendlylink .links a:nth-child(14),
  section .friendlylink .links a:nth-child(18),
  section .friendlylink .links a:nth-child(22),
  section .friendlylink .links a:nth-child(26) {
    border-left: 1px solid #276FDB;
  }
  section .friendlylink .links a:nth-child(1),
  section .friendlylink .links a:nth-child(5),
  section .friendlylink .links a:nth-child(9),
  section .friendlylink .links a:nth-child(13),
  section .friendlylink .links a:nth-child(17),
  section .friendlylink .links a:nth-child(21) {
    border-right: 2px solid #276FDB;
  }
  section .friendlylink .icon a {
    width: 20%;
  }
  section .friendlylink .icon a img {
    width: 34px;
  }
  section .friendlylink .ad a {
    width: 100%;
  }
  section .common {
    padding: 0.5rem 0;
  }
  section .common .common-hd {
    padding: 0 4px;
    align-items: center;
  }
  section .common .common-hd h1 {
    font-size: 1.3rem;
  }
  section .common .common-hd .dropdown span {
    font-size: 16px;
    font-weight: 500;
  }
  section .common .common-bd .item {
    width: calc(50% - 15px);
  }
  section .common .common-bd .item strong {
    padding: 0.5rem 0.5rem 0;
  }
  section .common .common-bd .item:nth-child(2n) {
    margin: 10px 10px 0 10px;
  }
  section .common .common-bd .mh {
    width: calc((100%/3) - 7px);
    margin: 5px 0 0 5px;
  }
  section .common .common-bd .mh .wrap {
    padding: 0 5px 8px;
  }
  section .common .common-bd .mh:nth-child(2n) {
    margin: 5px 0 0 5px;
  }
  section .common .common-bd .mh:nth-child(3n) {
    margin: 5px 5px 0 5px;
  }
  section .tags {
    padding: 0.5rem 0 0 0;
  }
  section .tags a {
    padding: 0.4rem;
  }
  section .tags a:last-child {
    padding: 0.5rem;
    margin: 10px 10px 0;
  }
  section .common .common-bd .common-sort {
    order: 2;
    width: 100%;
    margin: 1rem 0 0 0;
  }
  section .common .common-bd .common-sort ul {
    display: flex;
    flex-wrap: wrap;
    margin: 1.5rem 0 0 0;
  }
  section .common .common-bd .common-sort ul li {
    width: 50%;
    padding: 0 10px 0 0;
  }
  section .common .common-bd .items {
    width: 100%;
    padding: 0 0 1.5rem;
  }
  section .common .common-bd .stui-page {
    order: 1;
    padding: 0;
    margin: 0;
  }
  section .common .common-bd .stui-page li {
    width: 12.5%;
    min-width: 0;
  }
  section .common .common-bd .stui-page li a {
    padding: 12px 0;
  }
  section .content h1 {
    padding: 10px;
  }
  section .content .box {
    flex-direction: column;
    margin: 0 2%;
    width: 96%;
  }
  section .content .box .video {
    width: 100%;
  }
  section .content .box .video .player {
    height: 210px;
    width: 100%;
  }
  section .content .box .video .video-info {
    order: -1;
    width: 100%;
    padding: 0.5rem 0.5rem 0 0.5rem;
  }
  section .content .box .video .video-info span {
    margin: 0 0.5rem 0.5rem 0;
  }
  section .content .box .video .video-info span:last-child {
    width: 100%;
    margin: 0;
  }
  section .content .box .video .video-info span:last-child a {
    display: inline-block;
    margin-bottom: 0.5rem;
  }
  section .content .box .video .video-info h3 {
    margin: 0 0 1rem 0;
  }
  section .content .box .Recommended-label {
    margin: 0;
  }
  section .recommend {
    padding: 1rem 0;
  }
  section .recommend span {
    margin: 0 0 0 10px;
  }
  section .recommend .common-bd .item {
    width: calc(50% - 15px);
  }
  section .recommend .common-bd .item strong {
    padding: 0.5rem 0.5rem 0;
  }
  section .recommend .common-bd .item:nth-child(4n) {
    margin: 10px 10px 0 10px;
  }
  section .recommend .common-bd .mh {
    width: calc((100% / 3) - 10px);
  }
  section .recommend .common-bd .mh:nth-child(4n) {
    margin: 5px 0 0 5px;
  }
  section .recommend .common-bd .mh:nth-child(3n) {
    margin: 5px 5px 0 5px;
  }
  footer {
    padding: 1rem 0;
  }
  footer nav a {
    padding: 15px 8px;
  }
  footer .txt {
    padding: 0;
    margin: 0 0 15px;
  }
  .gototop {
    bottom: 130px !important;
    right: 15px !important;
  }
}