* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  overflow-x: hidden;
}

.container {
  width: 1920px;
  position: relative;
  left: 50%;
  transform: translate(-50%, 0);
  background-color: #fff;
}

/* 横幅区域 */
.banner {
  width: 100%;
  height: auto;
}

.banner img {
  width: 100%;
  display: block;
}

.banner img.banner-pc,
.benefits-grid img.benefits-pc,
.solutions-banner img.banner-pc {
  display: block;
}

.banner img.banner-mobile,
.benefits-grid img.benefits-mobile,
.solutions-banner img.banner-mobile {
  display: none;
}


.navigation {
  display: none;
}

.navigation-pc {
  width: 275px;
  height: 420px;
  position: fixed;
  right: 10px;
  bottom: 200px;
  background: url('../daier/35.png') no-repeat;
  background-size: 100% 100%;
  padding: 0 65px;
  padding-top: 125px;
  box-sizing: border-box;
  z-index: 999;
}

.navigation-pc .navitem {
  width: 148px;
  height: 35px;
  background: url('../daier/38.png') no-repeat;
  background-size: 100% 100%;
  box-sizing: border-box;
  margin-bottom: 10px;
  position: relative;
}

.navigation-pc .ba::after {
  content: "";
  position: absolute;
  top: -17px;
  right: 7px;
  width: 5px;
  height: 25px;
  background-image: url('../daier/40.png');
  background-size: 100% 100%;
}

.navigation-pc .ba::before {
  content: "";
  position: absolute;
  top: -17px;
  left: 7px;
  width: 5px;
  height: 25px;
  background-image: url('../daier/40.png');
  background-size: 100% 100%;
}

.navigation-pc .pc-active {
  background: url('../daier/37.png') no-repeat;
  background-size: 100% 100%;
}

.navigation-pc .navitem p {
  font-family: YouSheBiaoTiHei;
  font-size: 20px;
  color: #FFFFFF;
  line-height: 35px;
  text-align: right;
  font-style: normal;
  text-align: center;
  cursor: pointer;
}

.navigation-pc .navitem p img {
  width: 14px;
}

/* 企业福利 */
.enterprise-benefits {
  padding: 40px 0;
  background: linear-gradient(to bottom, #f0f7ff, #fff);
  max-width: 1920px;
  margin: auto;
}

.section-title {
  text-align: center;
  font-size: 42px;
  color: #333;
  margin-bottom: 60px;
  position: relative;
  letter-spacing: 2px;
  font-weight: 500;

}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 168px;
  height: 3px;
  background: #0D70CA;
}

.benefits-grid {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 0 100px;
}

.benefits-grid img {
  width: 285px;
}

/* 资料专区 */
.resource-section {
  padding: 40px 0;
  background-color: #fff;
}

.resource-section-inner {
  width: 1200px;
  margin: 0 auto;
}


.resource-section .title-underline {
  width: 60px;
  height: 3px;
  background: #007bff;
  margin: 0 auto 40px;
  border-radius: 2px;
}

.category-tabs {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
  gap: 10px;
}

.tab-item {
  flex: 1;
  text-align: center;
  padding: 15px 10px;
  background: #f5f7fa;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.tab-item:hover {
  background: #e8f4fc;
}

.tab-item.active {
  background: #0076CEFF;
  color: #fff;
  position: relative;
}

.tab-item.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #007bff;
}

.tab-icon {
  height: 90px;
  margin: 0 auto 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tab-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tab-text {
  font-size: 26px;
  color: #373F45;
  line-height: 30px;
  font-weight: 400;
}

.tab-item.active .tab-text {
  color: #fff;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.resource-card {
  background: #fff;
  border: 1px solid #e0e6ed;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: all 0.3s ease;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.resource-card:hover {}

.card-icon {
  width: 60px;
  height: 65px;
  flex-shrink: 0;
}

.card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-weight: bold;
  font-size: 16px;
  color: #333333;
  line-height: 19px;
  text-align: left;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.card-actions a {
  text-decoration: none;
}

.resource-btn {
  padding: 6px 20px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid #0076CE;
  background: #fff;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 16px;
  color: #0076CE;
  line-height: 19px;
  display: block;
  width: 100%;
}

.resource-btn:hover {
  background: #007bff;
  color: #fff;
}

.btn-icon {
  width: 20px;
  height: 16px;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.pagination-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #d9d9d9;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pagination-dot.active {
  width: 24px;
  border-radius: 4px;
  background: #007bff;
}

.pagination-dot:hover {
  background: #007bff;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: #999;
  font-size: 14px;
}

/* 解决方案模块样式 */
.solutions-container {
  width: 100%;
  display: flex;
  gap: 30px;
  padding: 20px 0;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
}

.nav-items {
  list-style: none;
}

.nav-item {
  position: relative;
  padding: 15px 20px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 4px;
  margin-bottom: 10px;

}

.nav-item img {
  width: 75px;
  height: 18px;
  display: none;
}

.nav-item.active {
  background: #fff;
  color: #0076CEFF;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.nav-item.active img {
  display: inline-block;
}

.nav-item-title {
  font-weight: bold;
  font-size: 24px;
  margin-right: 10px;
  letter-spacing: 1px;
}

.nav-item:not(.active) {
  color: #666;
}

.nav-item:hover:not(.active) {
  background: rgba(0, 123, 255, 0.05);
  color: #0076CEFF;
}


.content-area {
  flex: 1;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.nav-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
}

.content-area .solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.solution-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.solution-card:hover {
  box-shadow: 0 4px 16px rgba(0, 123, 255, 0.15);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.solution-card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: 20px;
}

.card-title {
  height: 44px;
  font-size: 16px;
  font-weight: 600;
  color: #333;
  margin-bottom: 12px;
  line-height: 1.4;
}

.card-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-link {
  font-size: 10px;
  color: #007bff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.3s ease;
}

.card-link:hover {
  gap: 8px;
}

.view-more-btn {
  display: block;
  width: 280px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  border: 1px solid #007bff;
  text-decoration: none;
  border-radius: 4px;
  margin: 0 auto;
  transition: all 0.3s ease;
  font-size: 16px;
  color: #0D70CA;
  letter-spacing: 1px;
}

.view-more-btn:hover {
  background: #007bff;
  color: #fff;
}

.pagination-dot {
  height: 8px;
  border-radius: 50%;
  background: #d9d9d9;
  cursor: pointer;
  transition: all 0.3s ease;
}

.pagination-dot.active {
  width: 24px;
  border-radius: 4px;
  background: #007bff;
}

.pagination-dot:hover {
  background: #007bff;
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: #999;
  font-size: 14px;
}

/* 解决方案 */
.solutions-section {
  width: 1200px;
  margin: 0 auto;
  padding: 40px 0;
}

.solutions-banner {
  width: 100%;
  margin-bottom: 30px;
}

.solutions-banner img {
  width: 100%;
  display: block;
}


.solution-item {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.solution-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.solution-item h3 {
  font-size: 14px;
  color: #333;
  padding: 15px;
  margin: 0;
}

.solution-item p {
  font-size: 12px;
  color: #666;
  padding: 0 15px 15px;
  margin: 0;
}

.solution-item .learn-more {
  display: block;
  text-align: right;
  padding: 10px 15px;
  color: #0077c5;
  text-decoration: none;
  font-size: 12px;
  border-top: 1px solid #eee;
}

.solutions-section .view-all {
  text-align: center;
  margin-top: 30px;
}

.solutions-section .view-all button {
  padding: 10px 30px;
  border: 1px solid #0077c5;
  background-color: #fff;
  color: #0077c5;
  cursor: pointer;
  border-radius: 5px;
  font-size: 14px;
}

/* 会议中心样式 */
.conference-section {
  width: 1200px;
  margin: 0 auto;
  padding: 40px 0;
  background: #fff;
}

.title-line {
  width: 60px;
  height: 3px;
  background: #007bff;
  margin: 0 auto 30px;
  border-radius: 2px;
}

.conference-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.conference-grid a {
  display: inline-grid;
  text-decoration: none;
}

.conference-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}


.conference-image {
  width: 100%;

  overflow: hidden;
}

.conference-image img {
  display: block;
  width: 100%;
  height: 100%;

}

.conference-info {
  padding: 15px;
}

.conference-name {
  font-size: 20px;
  color: #111111;
  font-weight: 500;
  margin-bottom: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conference-desc {
  font-size: 14px;
  color: #262626;
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conference-date {
  font-size: 14px;
  color: #0076CE;
  display: flex;
  align-items: center;
  gap: 4px;
}

.conference-date {
  font-size: 10px;
}

.conference-date svg {
  width: 14px;
  height: 14px;
}

.conference-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.conference-btn {
  display: block;
  width: 280px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  border: 1px solid #007bff;
  text-decoration: none;
  border-radius: 4px;
  margin: 0 auto;
  transition: all 0.3s ease;
  font-size: 16px;
  color: #0D70CA;
  letter-spacing: 1px;
}

.conference-btn:hover {
  background: #007bff;
  color: #fff;
}

.conference-card-link {
  text-decoration: none;
  color: inherit;
}

.conference-card-link:hover {
  text-decoration: none;
}

/* 手机端响应式样式*********************************************************************************************** */
@media (max-width: 768px) {

  /* 手机端显示手机图片 */
  .banner img.banner-pc,
  .benefits-grid img.benefits-pc,
  .solutions-banner img.banner-pc {
    display: none;
  }

  /* 手机端隐藏PC图片 */
  .banner img.banner-mobile,
  .benefits-grid img.benefits-mobile,
  .solutions-banner img.banner-mobile {
    display: block;
  }

  .solutions-banner {
    margin-bottom: 10px;
  }

  /* 导航栏 */
  .navigation {
    background-color: #00447CFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 999;
  }

  /* 导航栏项 */
  .nav-box {
    width: 75px;
    height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .nav-box img {
    width: auto;
    height: 16px;
    margin-bottom: 5px;
  }

  .nav-box p {
    font-family: MicrosoftYaHei;
    font-size: 11px;
    color: #FFFFFF;
  }

  .nav-active {
    background-color: #0076CEFF;
  }

  /* 手机端隐藏PC图片 */
  .tab-icon {
    display: none;
  }

  .container {
    width: 100%;

  }

  /* 企业福利 */
  .enterprise-benefits {
    padding: 20px;
  }

  .section-title {
    font-size: 20px;
    margin-bottom: 25px;
  }

  .section-title::after {
    width: 80px;
    bottom: -10px;
  }

  .benefits-grid {
    flex-direction: column;
    gap: 10px;
    padding: 0;
  }

  .benefits-grid a {
    display: block;
  }

  .benefits-grid img {
    width: 100%;
    height: auto;
  }

  /* 资料专区 */
  .resource-section {
    padding: 20px;
  }

  .resource-section-inner {
    width: 100%;
  }

  .resource-section .pagination {
    margin-top: 15px;
  }

  .category-tabs {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    gap: 10px;
    padding-bottom: 10px;
    margin-bottom: 15px;
  }

  .category-tabs::-webkit-scrollbar {
    display: none;
  }

  .tab-item {
    flex: 0 0 auto;
    min-width: 100px;
    padding: 6px 10px;
  }

  .tab-icon {
    height: 50px;
  }

  .tab-text {
    font-size: 14px;
  }

  .resource-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 0;
  }

  .resource-card {
    padding: 5px 15px;
    background: url('../daier/mobile-12.png') no-repeat;
    background-size: 100% 100%;
  }

  .card-icon {
    width: 50px;
    height: 55px;
  }

  .card-title {
    font-size: 14px;
    margin-bottom: 10px;
  }

  .resource-btn {
    padding: 2px 12px;
    font-size: 12px;
    border-radius: 0;
  }

  .download-btn {
    background: #0076CE;
    color: #fff;
  }

  .resource-section .resource-btn {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 0;
    display: flex;
    width: auto;
  }

  .resource-section .download-btn {
    background: #fff;
    color: #0076CE;
  }

  /* 解决方案 */
  .solutions-section {
    width: 100%;
    padding: 0px 20px;
  }

  .solutions-container {
    flex-direction: column;
    padding: 0;
    gap: 15px;
  }

  .sidebar {
    width: 100%;
  }

  .nav-items {
    display: flex;
  }

  .nav-item {
    flex: 1;
    text-align: center;
    padding: 12px 10px;
    margin-bottom: 0;
    border-radius: 6px;
  }

  .nav-link {
    width: 100%;
  }

  .nav-item-title {
    font-size: 16px;
    margin: auto;
  }

  .nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 2px;
    background: #0D70CA;
  }

  .nav-item.active img {
    display: none;
  }

  .content-area .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .solution-card {
    margin-bottom: 0;
    border-radius: 0;
  }

  .card-content {
    padding: 8px;
  }

  .card-title {
    height: 36px;
    font-size: 13px;
    margin-bottom: 6px;
    font-weight: 400;
  }

  .card-desc {
    font-size: 11px;
    margin-bottom: 8px;
  }

  .card-actions {
    justify-content: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .resource-section .card-actions {
    flex-direction: row;
    gap: 15px;
  }

  .view-more-btn {
    width: 100%;
    max-width: 280px;
    height: 35px;
    line-height: 35px;
    font-size: 13px;
    border-radius: 0;
  }

  /* 会议中心 */
  .conference-section {
    width: 100%;
    padding: 20px;
  }

  .conference-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .conference-card {
    border-radius: 0;
  }

  .conference-info {
    padding: 8px;
  }

  .conference-name {
    font-size: 13px;
    margin-bottom: 6px;
  }

  .conference-desc {
    font-size: 11px;
    margin-bottom: 8px;
  }

  .conference-btn {
    width: 100%;
    max-width: 280px;
    height: 35px;
    line-height: 35px;
    font-size: 13px;
    border-radius: 0;
  }

  .conference-buttons {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }
}

/* 模态框样式 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.5);
}

/* 预览弹框样式 */
.preview-modal-content {
  max-width: 90%;
  max-height: 90vh;
  height: auto;
  margin: 5% auto;
  overflow: hidden;
}

.preview-container {
  width: 100%;
  height: 600px;
  position: relative;
}

.preview-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.preview-container video {
  width: 100%;
  height: 100%;
  display: none;
  background-color: #000;
}

.modal-content {
  background-color: #ffffff;
  margin: 5% auto;
  padding: 20px 30px;
  border: none;
  width: 80%;
  max-width: 650px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.modal .close {
  color: #666;
  float: right;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal .close:hover,
.modal .close:focus {
  color: #333;
  text-decoration: none;
  cursor: pointer;
}

.modal .form-group {
  margin-bottom: 18px;
}

.modal .form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #333;
  font-size: 14px;
}

.modal .form-group input,
.modal .form-group select,
.modal .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  box-sizing: border-box;
  font-size: 14px;
  transition: all 0.3s ease;
  background-color: #f9f9f9;
}

.modal .form-group input:focus,
.modal .form-group select:focus,
.modal .form-group textarea:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
  background-color: #ffffff;
}

.modal .form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.modal .form-row {
  display: flex;
  gap: 15px;
  align-items: center;
}

.modal .form-group.half {
  flex: 1;
}

.modal .form-group.half label {
  text-align: right;
  margin-bottom: 0;
}

.modal .form-group.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.modal .form-group.checkbox input {
  width: auto;
  margin-top: 3px;
  transform: scale(1.1);
}

.modal .form-group.checkbox label {
  flex: 1;
  font-weight: normal;
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.4;
  text-align: left;
}

.modal .btn {
  background-color: #007bff;
  color: white;
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.3s ease;
  width: 100%;
  margin-top: 30px;
  box-sizing: border-box;
}

.modal .btn:hover {
  background-color: #0069d9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.modal .error-message {
  color: #dc3545;
  font-size: 12px;
  margin-top: 5px;
}

.modal #login-modal .error-message {
  padding-left: 60px;
}

.modal h2 {
  margin-top: 0;
  color: #2c3e50;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 25px;
  text-align: center;
}

.modal .form-group label::before {
  content: "*";
  color: #dc3545;
  margin-right: 4px;
  font-weight: bold;
}

.modal .form-group:not([required]) label::before {
  content: "";
  margin-right: 0;
}

@media (max-width: 768px) {
  .modal-content {
    width: 90%;
    padding: 20px 15px;
    margin: 30% auto;
    border-radius: 16px;
  }

  .modal .close {
    font-size: 28px;
    line-height: 1;
    padding: 5px;
  }

  .modal h2 {
    font-size: 19px;
    margin-bottom: 22px;
    font-weight: 600;
    color: #1a1a1a;
  }

  .modal .form-row {
    flex-direction: column;
    gap: 12px;
  }

  .modal .form-row .form-group.half {
    width: 100%;
    flex: none;
  }

  .modal .form-row .form-group.half label {
    text-align: left;
    margin-bottom: 8px;
  }

  .modal .form-group {
    margin-bottom: 15px;
  }

  .modal .form-group label {
    font-size: 14px;
    margin-bottom: 7px;
    color: #333;
  }

  .modal .form-group input,
  .modal .form-group select,
  .modal .form-group textarea {
    padding: 13px 15px;
    font-size: 15px;
    border-radius: 8px;
    border-color: #e5e5e5;
    background-color: #fff;
  }

  .modal .form-group input:focus,
  .modal .form-group select:focus,
  .modal .form-group textarea:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.15);
  }

  .modal .form-group.checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
    padding: 5px 0;
  }

  .modal .form-group.checkbox input {
    width: 12px;
    height: 12px;
    margin-top: 2px;
    flex-shrink: 0;
    padding: 0;
  }

  .modal .form-group.checkbox label {
    font-size: 12px;
    line-height: 1.5;
    color: #666;
    font-weight: 400;
  }

  .modal .form-group.checkbox label a {
    color: #007bff;
    text-decoration: none;
  }

  .modal .btn {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    margin-top: 22px;
    background-color: #007bff;
    border: none;
  }

  .modal .btn:hover {
    transform: none;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.35);
  }

  .modal .btn:active {
    transform: scale(0.98);
  }

  .modal .error-message {
    font-size: 12px;
    margin-top: 4px;
    line-height: 1.4;
  }

  .modal #login-modal .error-message {
    padding-left: 0;
  }

  /* 登录表单特殊处理 */
  #login-modal .form-row:first-of-type {
    display: flex;
    flex-direction: column;
  }

  #login-modal .form-row:first-of-type .form-group.half:first-child {
    margin-bottom: 0;
  }

  #login-modal .form-row:first-of-type .form-group.half:last-child {
    margin-bottom: 0;
  }

  #video-form-modal .btn {
    margin-top: 0;
  }

  /* 手机端预览弹框样式 */
  .preview-modal-content {
    width: 90%;
    max-width: 100%;
    margin: 30% auto;
    padding: 15px;
    height: 70%;
    margin-top: 30%;
  }

  .preview-container {
    height: 93%;
  }

  .navigation-pc {
    display: none;
  }
}