@charset "UTF-8";
.part1 .video-box {
  right: 45%;
}
.part1 .content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.part1 .content .left {
  width: 35%;
}
.part1 .content .right {
  width: 58%;
  text-align: center;
}
.part1 .content .right img {
  width: 60%;
  margin-bottom: 10px;
}
.part1 .content .right h1 {
  color: var(--color-main);
}
.part1 .content .right h1 .light-text {
  background-image: linear-gradient(-90deg, var(--color-help), var(--color-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.part1 .content .right p {
  margin-top: 20px;
}
.part1 .content .right dl {
  display: flex;
  justify-content: center;
  margin-top: 10%;
}
.part1 .content .right dl dt {
  display: flex;
}
.part1 .content .right dl a {
  border: var(--color-help) 2px solid;
  border-radius: 50px;
  padding: 8px 15px;
  margin: 10px;
  font-weight: bold;
}

.part2 {
  background: url(../images/back2.png) no-repeat, rgba(0, 0, 0, 0.5);
  background-size: 100% auto;
  background-blend-mode: overlay;
}
.part2 .content {
  display: flex;
  justify-content: space-between;
}
.part2 .content .item {
  width: 33.3333333333%;
  box-sizing: border-box;
  padding: 20px 10px;
  font-size: 14px;
  position: relative;
  margin: 0 5px;
  background-color: var(--color-help2);
  border-radius: 10px;
  border: 3px solid #534e4d;
}
.part2 .content .item h2 {
  text-align: center;
  color: var(--color-help);
  padding-bottom: 10px;
}

.part3 .content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.part3 .content .left dl {
  display: flex;
  flex-direction: column;
}
.part3 .content .left dl dt {
  border-radius: 10px;
  border: 3px solid #534e4d;
  padding: 20px;
  position: relative;
  margin: 10px 0;
}
.part3 .content .left dl dt::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 0;
  display: inline-block;
  height: 100%;
  width: 8px;
  background-image: linear-gradient(0deg, #ffba39, #f8d800);
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}
.part3 .content .left dl dt h3 {
  color: var(--color-help);
  padding-bottom: 10px;
}
.part3 .content .right img {
  width: 80%;
  margin: auto;
  display: block;
}
.part3 .content .right video {
  display: block;
  width: calc(95% - 20px);
  margin: auto;
  margin-bottom: 10px;
}
.part3 .content .right p {
  font-weight: bold;
  text-align: center;
  font-size: 20px;
  background-image: linear-gradient(90deg, var(--color-help), var(--color-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.part3 .content-footer {
  width: 60%;
  margin: auto;
  margin-top: 20px;
}

.part4 .content {
  width: 100%;
  position: relative;
}
.part4 .content dl {
  display: flex;
  flex-direction: column;
}
.part4 .content dl dt {
  position: relative;
  margin: 10px 0;
  padding: 10px 20px;
}
.part4 .content dl dt.tab-off {
  border: 1px solid #534e4d;
  background-color: var(--color-help2);
  color: #978f90;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: transform 0.3s;
}
.part4 .content dl dt.tab-off .close {
  display: none;
}
.part4 .content dl dt.tab-off .operator {
  color: var(--color-help);
  position: absolute;
  z-index: 999;
  right: 10px;
  top: 10px;
  border: 1px solid #534e4d;
  background-color: var(--color-help2);
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 8px;
  box-shadow: 0 0 2px rgb(37, 37, 37);
}
.part4 .content dl dt.tab-off .operator i:last-child {
  display: none;
}
.part4 .content dl dt.tab-off * {
  font-size: 16px;
  font-weight: 500;
  display: inline;
}
.part4 .content dl dt.tab-off .name {
  background-image: linear-gradient(90deg, var(--color-help), var(--color-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
  font-size: 22px;
  padding-bottom: 10px;
  display: block;
}
.part4 .content dl dt.tab-off:hover {
  background-color: #484031;
  transform: scale(1.05);
}
.part4 .content dl dt.tab-off:hover .operator::after {
  content: "Expand";
  margin-left: 5px;
}
.part4 .content dl dt.tab-on {
  border: 1px solid var(--color-help2);
  border-radius: 10px;
  padding-bottom: 10%;
  background-color: var(--color-help2);
  transform: scale(1.05);
}
.part4 .content dl dt.tab-on .operator {
  cursor: pointer;
  position: absolute;
  z-index: 999;
  right: 10px;
  top: 10px;
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 50px;
}
.part4 .content dl dt.tab-on .operator i:first-child {
  display: none;
}
.part4 .content dl dt.tab-on .operator:hover {
  background-color: #2f3339;
}
.part4 .content dl dt.tab-on .close {
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-size: 12px;
  border-radius: 50px;
  padding: 10px 15px;
  cursor: pointer;
}
.part4 .content dl dt.tab-on .close:hover {
  background-color: #2f3339;
}
.part4 .content dl dt.tab-on h1 {
  background-image: linear-gradient(90deg, var(--color-help), var(--color-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
  text-align: center;
  padding: 30px 0;
}
.part4 .content dl dt.tab-on p:last-child {
  text-align: center;
}
.part4 .content dl dt.tab-on .name {
  text-align: left;
}
.part4 .content ul li {
  margin: 10px 0;
}
.part4 .video-box {
  width: 100%;
  position: relative;
}

.part5 .content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.part5 .content .right {
  width: 50%;
}
.part5 .content .right .item {
  text-align: center;
  border: 3px solid var(--color-help2);
  border-radius: 10px;
  padding: 20px;
  position: relative;
  margin: 15px 0;
}
.part5 .content .right .item h2 {
  color: var(--color-help3);
  padding: 10px 0;
}
.part5 .content .right .item h3 {
  color: var(--color-help);
  padding: 10px 0;
}
.part5 .content .right .item h4 {
  padding: 5px 0;
}
.part5 .content .right .item i {
  background-image: linear-gradient(90deg, var(--color-help), var(--color-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 22px;
}
.part5 .content .right .item i:first-child {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}
.part5 .content .right .item i:last-of-type {
  position: absolute;
  right: 0;
  bottom: 0;
  transform: translate(50%, 50%);
}

.part6 .content dl {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}
.part6 .content dl dt {
  width: calc(33.3333333333% - 10px);
}
.part6 .content dl dt h2 {
  color: var(--color-help);
  padding-left: 20px;
  margin-bottom: 20px;
}
.part6 .content dl dt h2::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 0;
  display: inline-block;
  height: 100%;
  width: 2px;
  background-image: linear-gradient(0deg, #ffba39, #f8d800);
}
.part6 .content .item {
  margin: 20px 0;
}
.part6 .content .item .img {
  width: 300px;
  height: 180px;
  overflow: hidden;
  transform: scale(1.1, 1.2);
}

.part7 .title h1 {
  justify-content: left;
}
.part7 .content {
  display: flex;
  flex-direction: column;
}
.part7 .content .item {
  margin: auto;
  width: 60%;
  height: 75px;
  display: flex;
  flex-direction: row;
  align-items: center;
  color: var(--color-help);
  border: 1px solid var(--color-help);
  border-radius: 50px;
  position: relative;
  margin-bottom: 30px;
}
.part7 .content .item::before {
  content: attr(sort);
  position: absolute;
  left: 0;
  transform: translate(-220%, 0);
  background-color: var(--color-help);
  color: black;
  font-size: 22px;
  border-radius: 50px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part7 .content .item .img {
  position: absolute;
  border-radius: 20px;
  overflow: hidden;
  transform: scale(0.65) translateX(-50%);
}
.part7 .content .item .img img {
  display: flex;
  width: 100%;
  height: 100%;
}
.part7 .content .item .info {
  text-align: center;
  width: 100%;
  margin-left: 10%;
}
.part7 .content .item .info h3 {
  background-image: linear-gradient(90deg, var(--color-help), var(--color-main));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.part7 .content .item .info p {
  color: #978f90;
}

.part8 {
  position: relative;
  padding-top: 5vh;
  background: url(../images/Aurum---14.png) no-repeat, rgba(0, 0, 0, 0.8);
  background-size: 100% auto;
  background-blend-mode: overlay;
  padding-bottom: 15vh;
}
.part8 .content a {
  text-decoration: underline;
}
.part8 .content p {
  margin: 15px 0;
  font-weight: bold;
}
.part8 .tootip {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: 100%;
  background-color: var(--color-main);
  text-align: center;
  padding: 10px 0;
}

.video-box {
  position: absolute;
  overflow: hidden;
}

.video-box video {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

.video-box::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0) 0%, rgb(0, 0, 0) 100%);
  mix-blend-mode: multiply;
}

.part2 {
  background: url(../images/back2.png) no-repeat, rgba(0, 0, 0, 0.5);
  background-size: 100% auto;
  background-blend-mode: overlay;
}

.part3-1 .content dl {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}
.part3-1 .content dl dt {
  border-radius: 10px;
  border: 3px solid #534e4d;
  padding: 20px;
  position: relative;
  margin: 10px 0;
  cursor: pointer;
}
.part3-1 .content dl dt:hover {
  transform: scale(1.05);
}
.part3-1 .content dl dt::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 0;
  display: inline-block;
  height: 100%;
  width: 8px;
  background-image: linear-gradient(0deg, #ffba39, #f8d800);
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}
.part3-1 .content dl dt h3 {
  color: var(--color-help);
  padding-bottom: 10px;
}
.part3-1 .content-footer {
  width: 60%;
  margin: auto;
  margin-top: 20px;
}

.part9 .content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.part9 .content .item {
  width: calc(33.3333333333% - 10px);
  margin: 5px 0;
}
.part9 .content .item a {
  display: inline-block;
  height: 100%;
  width: 100%;
}
.part9 .content .item a .file-card {
  box-sizing: border-box;
  height: 100%;
}
.part9 .content .item .img {
  height: 150px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.part9 .file-tab {
  width: 60%;
  margin: auto;
  margin-bottom: 10px;
}
.part9 .file-tab button {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 18px;
  margin-right: 15px;
  cursor: pointer;
  color: #fff;
  border: none;
}
.part9 .file-tab button.on {
  background-image: linear-gradient(90deg, var(--color-help), var(--color-main));
  border: 1px solid rgb(0, 0, 0);
  font-weight: bold;
}
.part9 .file-tab button.on:hover {
  background-image: linear-gradient(45deg, var(--color-help), var(--color-main));
}
.part9 .file-tab button.off {
  background-color: var(--color-help2);
  border: 1px solid #534e4d;
}
.part9 .file-tab button.off:hover {
  filter: brightness(1.2);
}

.video-container {
  overflow: hidden;
  position: relative;
  width: 100%;
  margin-bottom: 20px;
}
.video-container video {
  display: block;
  margin: auto;
  height: 145px;
  z-index: 888;
}

.video-cover {
  position: absolute;
  z-index: 888;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}
.video-cover img {
  width: 100px;
  height: 100px;
  opacity: 0.8;
}

.play-button {
  font-size: 60px;
  color: white;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.play-button:hover {
  opacity: 1;
}

.lang-container {
  position: absolute;
  text-align: right;
  padding: 10px 0;
  /* Hide default HTML checkbox */
  /* The slider */
  /* Add some cool effects */
}
.lang-container .switch {
  font-size: 16px;
  position: relative;
  z-index: 999999;
  right: 10px;
  display: inline-block;
  width: 5.5em;
  height: 2em;
}
.lang-container .switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.lang-container .slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #1d1d1d;
  transition: 0.4s;
  border-radius: 30px;
  box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-help);
}
.lang-container .slider:before {
  position: absolute;
  content: "";
  height: 1.6em;
  width: 1.6em;
  border-radius: 20px;
  left: 0.2em;
  bottom: 0.2em;
  background-color: white;
  transition: 0.4s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}
.lang-container .switch input:checked + .slider {
  background-color: #000;
  border: 1px solid var(--color-help);
}
.lang-container .switch input:focus + .slider {
  box-shadow: 0 0 1px #000;
}
.lang-container .switch input:checked + .slider:before {
  transform: translateX(3.5em);
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(15, 15, 15, 0.3);
}
.lang-container .slider:after {
  content: "English";
  color: var(--color-help);
  position: absolute;
  right: 0.5em;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8em;
  transition: opacity 0.4s;
  opacity: 1;
}
.lang-container .switch input:checked + .slider:after {
  content: "中文";
  left: 0.5em;
  opacity: 1;
  right: auto;
}/*# sourceMappingURL=main.css.map */