.quick-guide-main-area {
  display: flex;
  gap: 32px;
  margin-top: 19px;
}

.quick-guide-main-area .quick-guide-left-menu {
  width: 200px;
  flex-shrink: 0;
}

.quick-guide-main-area .quick-guide-left-menu .menu-title {
  border-bottom: 1px solid rgba(85, 85, 85, 0.4);
  font-family: Verdana;
  font-size: 12px;
  font-weight: bold;
  color: #000;
  padding-bottom: 23.5px;
  padding-top: 10px;
}

.quick-guide-main-area .quick-guide-left-menu .menu-item {
  padding: 9.5px 0;
  border-bottom: 1px solid rgba(85, 85, 85, 0.4);
}

.quick-guide-main-area .quick-guide-left-menu .menu-item a {
  color: #555;
  text-decoration: none;
  font-size: 12px;
  line-height: 1.5;
  font-family: Verdana;
}

.quick-guide-main-area .quick-guide-left-menu .menu-item a:hover {
  opacity: 0.8;
}

.quick-guide-main-area .quick-guide-right-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.quick-guide-main-area .quick-guide-right-content .quick-guide-video-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-section-title {
  height: 40px;
  background-color: #e9f2f9;
  display: flex;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-section-title
  .video-section-title-index {
  font-family: Verdana;
  font-size: 14px;
  font-weight: bold;
  color: #fff;
  width: 34px;
  background-color: #3a89c9;
  text-align: center;
  padding: 10px 0;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-section-title
  .video-section-title-triangle {
  width: 0;
  height: 0;
  border-top: 20px solid transparent;
  border-bottom: 20px solid transparent;
  border-left: 6px solid #3a89c9;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-section-title
  .video-section-title-text {
  font-family: Verdana;
  font-size: 16px;
  font-weight: bold;
  color: #000;
  padding: 0 16px;
  display: flex;
  align-items: center;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-description {
  font-family: Verdana;
  font-size: 12px;
  color: #000;
  margin-bottom: 4px;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-wrapper {
  position: relative;
  height: auto;
  width: 100%;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-wrapper
  img {
  width: 100%;
  height: auto;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-wrapper
  .play-btn {
  position: absolute;
  width: 80px;
  height: 80px;
  background-color: rgba(64, 64, 64, 0.6);
  border-radius: 50%;
  left: calc(50% - 40px);
  bottom: calc(50% - 40px);
  cursor: pointer;
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-wrapper
  .play-btn:hover {
  background-color: rgba(64, 64, 64, 1);
}

.quick-guide-main-area
  .quick-guide-right-content
  .quick-guide-video-section
  .video-wrapper
  .play-btn
  .white-triangle {
  position: absolute;
  left: calc(50% - 10px);
  bottom: calc(50% - 16px);
  width: 0;
  height: 0;
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
  border-left: 24px solid #fff;
}

.index-video-area {
  padding: 40px;
  background-color: rgba(16, 67, 134, 0.03);
  display: flex;
  gap: 40px;
  width: 100%;
}

.index-video-area .index-video-area-left-content .video-wrapper {
  position: relative;
  height: 375px;
  width: 666px;
}

.index-video-area .index-video-area-left-content .video-wrapper img {
  width: 100%;
  height: auto;
}

.index-video-area .index-video-area-left-content .video-wrapper .play-btn {
  position: absolute;
  width: 80px;
  height: 80px;
  background-color: rgba(64, 64, 64, 0.6);
  border-radius: 50%;
  left: calc(50% - 40px);
  bottom: calc(50% - 40px);
  cursor: pointer;
}

.index-video-area
  .index-video-area-left-content
  .video-wrapper
  .play-btn:hover {
  background-color: rgba(64, 64, 64, 1);
}

.index-video-area
  .index-video-area-left-content
  .video-wrapper
  .play-btn
  .white-triangle {
  position: absolute;
  left: calc(50% - 10px);
  bottom: calc(50% - 16px);
  width: 0;
  height: 0;
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
  border-left: 24px solid #fff;
}

.index-video-area .index-video-area-right-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.index-video-area .index-video-area-right-content .video-top-border {
  width: 80px;
  height: 2px;
  background-color: #104386;
}

.index-video-area .index-video-area-right-content .video-title {
  font-family: Verdana;
  font-size: 24px;
  font-weight: bold;
  color: #104386;
  margin-top: 11px;
}

.index-video-area
  .index-video-area-right-content
  .video-title
  .video-title-highlight {
  color: #acc1de;
}

.index-video-area .index-video-area-right-content .video-desc {
  width: 327px;
  font-family: Verdana;
  font-size: 14px;
  color: #104386;
  margin-top: 24px;
}

@media (max-width: 1280px) {
  .index-video-area {
    flex-direction: column;
    align-items: center;
  }

  .index-video-area .index-video-area-left-content {
    order: 2;
  }

  .index-video-area .index-video-area-left-content .video-wrapper {
    width: 100%;
    height: auto;
  }

  .index-video-area .index-video-area-right-content {
    align-items: center;
    text-align: center;
    margin-top: 0;
    order: 1;
  }

  .index-video-area .index-video-area-right-content .video-desc {
    width: 100%;
  }

  .quick-guide-main-area {
    flex-direction: column;
  }

  .quick-guide-main-area .quick-guide-left-menu {
    width: 100%;
  }

  .quick-guide-main-area
    .quick-guide-right-content
    .quick-guide-video-section
    .video-section-title {
    height: auto;
  }

  .quick-guide-main-area .quick-guide-left-menu .menu-title {
    padding-bottom: 10px;
  }

  .quick-guide-main-area
    .quick-guide-right-content
    .quick-guide-video-section
    .video-section-title
    .video-section-title-text {
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .index-video-area {
    padding: 20px;
  }
}

@media (min-width: 1920px) {
  .index-video-area {
    gap: 20px;
    padding: 40px 20px;
  }
}