.explain-detail {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    display: flex;
    gap: 30px;
}

.explain-main {
    flex: 1;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 30px;
}

.explain-header {
    border-bottom: 1px solid #f0f0f0;
}

.explain-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.2;
    font-weight: 500;
}

.explain-content {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.step-title {
    font-size: 18px;
    font-weight: 500;
    color: #1E9FFF;
    margin: 15px 0 15px;
    display: flex;
    align-items: center;
}

.step-title::before {
    content: "";
    width: 4px;
    height: 18px;
    background: #1E9FFF;
    margin-right: 10px;
    border-radius: 2px;
}

.step-content {
    margin-bottom: 20px;
    color: #666;
}

.step-image {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    margin: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    object-fit: contain;
    background-color: #f8f8f8;
}

/* 右侧广告位样式保持不变 */
.explain-sidebar {
    width: 300px;
    flex-shrink: 0;
}

/* 添加图片放大预览功能 */
.image-preview {
    cursor: zoom-in;
    transition: all 0.3s;
}

.image-preview:hover {
    transform: scale(1.02);
}

.preview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    cursor: zoom-out;
}

.preview-overlay img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
}

.preview-overlay.active {
    display: flex;
}

/* 视频容器样式 */
.video-container {
    position: relative;
    width: 100%;
    margin: 20px 0;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 保持16:9比例 */
.video-container::before {
    content: "";
    display: block;
    padding-top: 56.25%;  /* 16:9 比例 */
}

.explain-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 自定义视频控制器样式 */
.explain-video::-webkit-media-controls {
    background: rgba(0,0,0,0.5);
}

.explain-video::-webkit-media-controls-panel {
    padding: 0 10px;
}

/* IE 兼容性处理 */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    .video-container {
        height: 0;
        padding-bottom: 56.25%;
    }

    .explain-video {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.wechat-notice {
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.wechat-notice p {
    color: #333;
    line-height: 1.6;
    margin-bottom: 15px;
}

.wechat-qrcode {
    display: flex;
    align-items: center;
    gap: 30px;
}

.qrcode-wrapper {
    width: 200px;
    flex-shrink: 0;
}

.qrcode-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.wechat-search {
    flex: 1;
    max-width: 500px;
}

.search-image {
    width: 100%;
    height: 200px;
    border-radius: 4px;
    object-fit: cover;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .wechat-qrcode {
        flex-direction: column;
        gap: 20px;
    }

    .qrcode-wrapper {
        width: 150px;
    }

    .wechat-search {
        width: 100%;
    }

    .search-image {
        height: 200px;
    }

    .step-image {
        height: 300px;
    }
}

/* 修改图片说明文字样式 */
.image-caption {
    text-align: center;
    color: #999;
    font-size: 12px;
    margin-top: 8px;
    line-height: 1.4;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    letter-spacing: 0.3px;
}

/* 添加说明文字样式 */
.step-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-top: 15px;
}