.index-list{background-color:#f6f7f9;padding:29px 0 26px 0}@media (min-width:992px){.index-list{padding:58px 0 53px 0}}.index-list .item{text-align:center;font-size:13px;color:#333;width:400px;height:298px;padding-bottom:40px;background-repeat:no-repeat;background-position:center;background-size:contain;display:flex;flex-direction:column;justify-content:flex-end}.index-list .item.item1{background-image:url(../images/bg1.png)}.index-list .item.item2{background-image:url(../images/bg2.png)}.index-list .item.item3{background-image:url(../images/bg3.png)}.index-list .item.item4{background-image:url(../images/bg4.png)}.index-list .item.item5{background-image:url(../images/bg5.png)}.index-list .item.item6{background-image:url(../images/bg6.png)}.index-list .item .item-tit{position:relative;padding-bottom:15px;margin-bottom:15px;font-size:18px;font-weight:700;color:#333}.index-list .item .item-tit::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:32px;height:1px;background:#3a3a3a}@media (min-width:1200px){.index-list .item{font-size:15px;padding-bottom:30px}.index-list .item .item-tit{font-size:22px}.index-list .item .item-tit::after{bottom:0;width:56px;height:2px}}
  .aboutus {
      position: relative;
      padding: 120px 0;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      overflow: hidden;
      min-height: 80vh;
      display: flex;
      align-items: center;
    }
    
    /* 默认背景图（移动端） */
    .aboutus {
      background-image: url('../images/aboutus_m.jpg');
      background-attachment: scroll; /* 移动端不使用固定背景 */
    }
    
    /* PC端背景图（768px以上） */
    @media (min-width: 769px) {
      .aboutus {
        background-image: url('../images/aboutus_bg.png');
        background-attachment: fixed; /* PC端使用固定背景，创造视差效果 */
      }
    }
    
    /* 添加深色遮罩层，确保文字可读性 */
    .aboutus::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
    }
    
    /* 容器样式 */
    .aboutus .container {
      position: relative;
      z-index: 2;
      color: white; /* 文字改为白色，与深色背景形成对比 */
    }
    
    /* 标题和英文标题样式 */
    .page-tit {
      margin-bottom: 15px;
      font-size: 2.5rem;
      font-weight: 700;
      color: #fd9100;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    }
    
    .entitle {
      margin-bottom: 40px;
      font-size: 1.6rem;
      color: #daba73;
      font-weight: 500;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }
    
    /* 文案部分样式 */
    .page-text {
      max-width: 60%;
    }
    
    .page-text p:first-child {
      font-size: 2rem;
      font-weight: bold;
      line-height: 1.3;
      margin-bottom: 25px;
      color: white;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    }
    
    .page-text p {
      font-size: 1.2rem;
      line-height: 1.6;
      margin-bottom: 20px;
      color: #f0f0f0;
      text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
    
    /* 按钮样式 */
    .banner-buttons {
      margin-top: 40px;
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
    }
    
    .btn-primary-custom, .btn-secondary-custom {
      display: inline-block;
      padding: 14px 35px;
      border-radius: 4px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      text-align: center;
      border: none;
      cursor: pointer;
      font-size: 16px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }
    
    .btn-primary-custom {
      background-color: #daba73;
      color: white;
      border: 2px solid #daba73;
    }
    
    .btn-primary-custom:hover {
      background-color: transparent;
      color: #daba73;
      border-color: #daba73;
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(0, 123, 255, 0.3);
    }
    
    .btn-secondary-custom {
      background-color: transparent;
      color: #daba73;
      border: 2px solid white;
    }
    
    .btn-secondary-custom:hover {
      background-color: white;
      color: #333;
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(255, 255, 255, 0.3);
    }
    
    /* 移除原图片样式 */
    .page-img {
      display: none;
    }
    
    /* 响应式调整 */
    @media (max-width: 1200px) {
      .aboutus {
        padding: 100px 0;
        min-height: 70vh;
      }
      
      .page-text {
        max-width: 70%;
      }
      
      .page-tit {
        font-size: 2.2rem;
      }
      
      .page-text p:first-child {
        font-size: 1.8rem;
      }
    }
    
    @media (max-width: 992px) {
      .aboutus {
        padding: 80px 0;
        min-height: 60vh;
      }
      
      .page-text {
        max-width: 80%;
      }
      
      .page-tit {
        font-size: 2rem;
      }
      
      .entitle {
        font-size: 1.4rem;
      }
      
      .page-text p:first-child {
        font-size: 1.6rem;
      }
      
      .page-text p {
        font-size: 1.1rem;
      }
      
      .banner-buttons {
        gap: 15px;
      }
      
      .btn-primary-custom, .btn-secondary-custom {
        padding: 12px 30px;
      }
    }
    
    @media (max-width: 768px) {
      .aboutus {
        padding: 70px 0;
        min-height: 50vh;
        text-align: center;
      }
      
      .aboutus::before {
        background: rgba(0, 0, 0, 0.6); /* 移动端加深遮罩 */
      }
      
      .page-text {
        max-width: 100%;
      }
      
      .page-tit {
        font-size: 1.8rem;
      }
      
      .entitle {
        font-size: 1.2rem;
      }
      
      .page-text p:first-child {
        font-size: 1.5rem;
      }
      
      .page-text p {
        font-size: 1rem;
      }
      
      .banner-buttons {
        justify-content: center;
        flex-direction: column;
        gap: 12px;
      }
      
      .btn-primary-custom, .btn-secondary-custom {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
      }
    }
    
    @media (max-width: 480px) {
      .aboutus {
        padding: 50px 0;
        min-height: 40vh;
      }
      
      .page-tit {
        font-size: 1.6rem;
      }
      
      .entitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
      }
      
      .page-text p:first-child {
        font-size: 1.3rem;
      }
      
      .page-text p {
        font-size: 0.95rem;
      }
      
      .banner-buttons {
        margin-top: 30px;
      }
      
      .btn-primary-custom, .btn-secondary-custom {
        padding: 10px 25px;
        font-size: 15px;
      }
    }
    
    /* 第三屏：投资讲堂模块样式 */
    .article-section {
      padding: 80px 0;
      background-color: #f8f9fa;
    }
    
    .article-title {
      text-align: center;
      margin-bottom: 40px;
      font-size: 2rem;
      color: #333;
      font-weight: bold;
    }
    
    .article-title strong {
      color: #daba73;
    }
    
    .article-tabs {
      display: flex;
      justify-content: center;
      margin-bottom: 40px;
      flex-wrap: wrap;
      gap: 15px;
    }
    
    .article-tabs li {
      list-style: none;
    }
    
    .article-tabs a {
      display: inline-block;
      padding: 10px 25px;
      background-color: #e9ecef;
      color: #666;
      text-decoration: none;
      border-radius: 4px;
      transition: all 0.3s ease;
      font-size: 16px;
    }
    
    .article-tabs .active a {
      background-color: #daba73;
      color: white;
    }
    
    .article-tabs a:hover {
      background-color: #dee2e6;
    }
    
    .article-tabs .active a:hover {
      background-color: #0056b3;
    }
    
    .article-list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
      margin-bottom: 40px;
    }
    
    .article-item {
      background-color: white;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      height: 100%;
    }
    
    .article-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }
    
    .article-item a {
      display: block;
      padding: 25px;
      text-decoration: none;
      color: inherit;
      height: 100%;
      box-sizing: border-box;
    }
    
    .article-tag {
      color: #daba73;
      font-size: 14px;
      margin-bottom: 10px;
      font-weight: 500;
    }
    
    .article-item h4 {
      font-size: 1.2rem;
      color: #333;
      margin-bottom: 15px;
      line-height: 1.4;
      font-weight: 600;
    }
    
    .article-item p {
      color: #666;
      font-size: 15px;
      line-height: 1.6;
      margin-bottom: 20px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    
    .article-more {
      color: #daba73;
      font-size: 14px;
      font-weight: 500;
      margin-bottom: 15px;
    }
    
    .article-date {
      color: #999;
      font-size: 14px;
      border-top: 1px solid #eee;
      padding-top: 15px;
      margin-top: 15px;
    }
    
    .article-more-btn {
      display: block;
      text-align: center;
      margin-top: 40px;
    }
    
    .article-more-btn a {
      display: inline-block;
      padding: 12px 35px;
      background-color: transparent;
      color: #daba73;
      text-decoration: none;
      border: 2px solid #daba73;
      border-radius: 4px;
      font-weight: 500;
      transition: all 0.3s ease;
    }
    
    .article-more-btn a:hover {
      background-color: #daba73;
      color: white;
    }
    
    /* 第四屏：FAQ手风琴模块样式 - 两列布局 */
    .faq-section {
      padding: 80px 0;
      background-color: white;
    }
    
    .faq-title {
      text-align: center;
      margin-bottom: 50px;
      font-size: 2rem;
      color: #333;
      font-weight: bold;
    }
    
    .faq-title strong {
      color: #daba73;
    }
    
    .faq-subtitle {
      text-align: center;
      color: #666;
      margin-bottom: 40px;
      font-size: 1.1rem;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .faq-container {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 25px;
      max-width: 1200px;
      margin: 0 auto;
    }
    
    .faq-item {
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      transition: box-shadow 0.3s ease;
      height: fit-content;
    }
    
    .faq-item:hover {
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    }
    
    .faq-question {
      background-color: #f8f9fa;
      padding: 20px 25px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      font-size: 1.1rem;
      color: #333;
      transition: background-color 0.3s ease;
    }
    
    .faq-question:hover {
      background-color: #e9ecef;
    }
    
    .faq-question.active {
      background-color: #daba73;
      color: white;
    }
    
    .faq-icon {
      font-size: 20px;
      font-weight: 300;
      transition: transform 0.3s ease;
      flex-shrink: 0;
      margin-left: 15px;
    }
    
    .faq-question.active .faq-icon {
      transform: rotate(45deg);
    }
    
    .faq-answer {
      padding: 0;
      max-height: 0;
      overflow: hidden;
      background-color: white;
      transition: max-height 0.3s ease, padding 0.3s ease;
    }
    
    .faq-answer.open {
      padding: 25px;
      max-height: 1000px;
    }
    
    .faq-answer p {
      color: #666;
      line-height: 1.6;
      margin-bottom: 15px;
    }
    
    .faq-answer p:last-child {
      margin-bottom: 0;
    }
    
    .faq-answer ul {
      padding-left: 20px;
      margin-bottom: 15px;
    }
    
    .faq-answer li {
      color: #666;
      line-height: 1.6;
      margin-bottom: 8px;
    }
    
    /* 响应式调整 */
    @media (max-width: 1200px) {
      .article-list {
        grid-template-columns: repeat(3, 1fr);
      }
      
      .faq-container {
        gap: 20px;
        padding: 0 20px;
      }
    }
    
    @media (max-width: 992px) {
      .article-section {
        padding: 60px 0;
      }
      
      .faq-section {
        padding: 60px 0;
      }
      
      .article-list {
        grid-template-columns: repeat(2, 1fr);
      }
      
      .faq-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
    }
    
    @media (max-width: 768px) {
      .article-section {
        padding: 40px 0;
      }
      
      .faq-section {
        padding: 40px 0;
      }
      
      .article-title {
        font-size: 1.6rem;
        margin-bottom: 30px;
      }
      
      .faq-title {
        font-size: 1.6rem;
        margin-bottom: 30px;
      }
      
      .faq-subtitle {
        font-size: 1rem;
        padding: 0 15px;
        margin-bottom: 30px;
      }
      
      .article-tabs {
        margin-bottom: 30px;
        gap: 10px;
      }
      
      .article-tabs a {
        padding: 8px 20px;
        font-size: 15px;
      }
      
      .article-list {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      
      .article-item a {
        padding: 20px;
      }
      
      .article-more-btn a {
        padding: 10px 30px;
      }
      
      /* 移动端改为单列 */
      .faq-container {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 15px;
      }
      
      .faq-question {
        padding: 18px 20px;
        font-size: 1rem;
      }
      
      .faq-answer.open {
        padding: 20px;
      }
    }
    
    @media (max-width: 480px) {
      .faq-question {
        font-size: 0.95rem;
        padding: 16px 18px;
      }
      
      .faq-icon {
        font-size: 18px;
        margin-left: 10px;
      }
    }