/* 全站移动端适配样式 */

/* iPad Air和类似尺寸的平板设备 */
@media (min-width: 769px) and (max-width: 1024px) {
  .x_header {
    padding: 0 30px;
    height: 64px;
    min-height: 64px;
  }
  
  .x_logo_img { 
    height: 46px; 
  }
  
  .x_nav_btn {
    min-width: 90px;
    font-size: 15px;
  }
  
  /* 容器与登录框 */
  .x_login_box {
    min-width: 580px;
    padding: 30px 60px;
  }
  
  /* 卡片样式 */
  .x_invite_grid {
    gap: 20px !important;
  }
  
  .x_footer {
    padding: 20px 0 10px 0;
  }
}

/* 适配 768px 以下移动端 */
@media (max-width: 768px) {
  /* 顶部导航与Logo */
  .x_header {
    height: 56px;
    min-height: 56px;
    padding: 0 16px;
  }
  .x_logo_img { height: 40px; }
  .x_logo_title {
    font-size: 3.2rem !important;
    word-break: break-all;
    line-height: 1.1;
  }
  .x_nav_btn {
    min-width: 80px;
    padding: 8px 0;
    font-size: 14px;
  }
  
  /* 导航菜单相关样式 */
  .x_nav_toggle {
    display: block;
    background: none;
    border: none;
    font-size: 2rem;
    color: #fff;
    margin-left: auto;
    cursor: pointer;
    padding: 8px 12px;
    z-index: 10000;
  }
  .x_nav_buttons {
    display: none;
    position: absolute;
    top: 56px;
    right: 0;
    left: 0;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    flex-direction: column;
    align-items: flex-start;
    padding: 0 0 12px 0;
    z-index: 9999;
  }
  .x_nav_buttons.active {
    display: flex;
  }
  .x_nav_btn {
    width: 100%;
    text-align: left;
    padding: 14px 24px;
    border-bottom: 1px solid #f0f0f0;
    color: #000;
    background: none;
  }

  /* 容器与卡片 */
  .x_invite_container,
  .x_apply_container,
  .x_apply_card,
  .x_apply_header,
  .x_invite_card,
  .policy-container {
    max-width: 100% !important;
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  .x_apply_container { padding-top: 32px !important; }
  .policy-container {
    margin: 16px auto;
    padding: 16px 12px 24px;
    border-radius: 8px;
  }

  /* 卡片与网格 */
  .x_invite_grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    margin-top: 30px !important;
  }
  .x_invite_card,
  .x_apply_card {
    padding: 16px 10px 16px 24px;
    min-width: auto;
    min-height: 110px;
  }
  .x_invite_title,
  .x_apply_title {
    font-size: 20px;
    margin-bottom: 10px;
  }
  .x_invite_desc,
  .x_invite_reward,
  .x_apply_desc,
  .x_form_label,
  .x_form_input,
  .x_record_label,
  .x_record_value {
    font-size: 13px;
  }
  .x_invite_icon,
  .x_apply_badge {
    width: 44px;
    height: 44px;
  }
  .x_next_btn,
  .x_submit_btn {
    width: 200px;
    padding: 10px;
    font-size: 14px;
    margin: 24px auto;
  }

  /* 二维码与登录框 */
  .x_qr_section {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }
  .x_login_box {
    min-width: 90%;
    width: 90%;
    padding: 20px;
    max-height: 90vh;
    overflow-y: auto;
  }

  /* 页脚 */
  .x_footer {
    text-align: center;
    font-size: 13px;
    color: #fff;
    background: rgba(123,100,201,0.18);
    padding: 16px 0 8px 0;
    letter-spacing: 1px;
    /* border-radius: 0 0 12px 12px; */
    margin-top: 24px;
  }

  /* policy 相关 */
  .policy-title { font-size: 1.5em; margin-bottom: 6px; }
  .policy-meta { font-size: 0.9em; margin-bottom: 20px; }
  .policy-toc { padding: 12px 16px; margin-bottom: 24px; font-size: 0.95em; }
  .policy-section-title { font-size: 1.1em; margin-top: 24px; margin-bottom: 10px; padding-left: 8px; }
  .policy-section { margin-bottom: 20px; line-height: 1.7; font-size: 0.95em; }
  .policy-important { padding: 2px 4px; font-size: 0.95em; }

  /* 弹窗内容 */
  .x_confirm_content {
    width: 90%;
    padding: 24px;
    margin: 0;
  }
  .x_confirm_btn {
    padding: 8px 24px;
    min-width: 80px;
  }
}

/* 适配 480px 以下小屏移动端 */
@media (max-width: 480px) {
  .x_header {
    height: 48px;
    min-height: 48px;
    padding: 0 8px;
  }
  .x_logo_img { height: 36px; }
  .x_logo_title { font-size: 2.2rem !important; }
  .x_nav_btn {
    min-width: 70px;
    padding: 6px 0;
    font-size: 13px;
  }
  .x_invite_grid {
    gap: 12px !important;
    margin-top: 20px !important;
  }
  .x_invite_card,
  .x_apply_card {
    padding: 12px 6px 12px 16px;
    min-height: 90px;
    margin-top: 10px !important;
  }
  .x_invite_title,
  .x_apply_title {
    font-size: 17px;
    margin-bottom: 8px;
  }
  .x_invite_desc,
  .x_invite_reward,
  .x_apply_desc,
  .x_form_label,
  .x_form_input,
  .x_record_label,
  .x_record_value {
    font-size: 12px;
  }
  .x_invite_icon,
  .x_apply_badge {
    width: 36px;
    height: 36px;
  }
  .x_next_btn,
  .x_submit_btn {
    width: 160px;
    padding: 8px;
    font-size: 13px;
    margin: 16px auto;
  }
  .x_footer {
    font-size: 12px;
    padding: 12px 0 6px 0;
  }
  .policy-container {
    margin: 8px auto;
    padding: 8px 6px 12px;
  }
  .policy-title { font-size: 1.2em; }
  .policy-meta { font-size: 0.8em; margin-bottom: 12px; }
  .policy-toc { padding: 8px 8px; margin-bottom: 12px; font-size: 0.9em; }
  .policy-section-title { font-size: 1em; margin-top: 16px; margin-bottom: 6px; }
  .policy-section { margin-bottom: 12px; line-height: 1.6; font-size: 0.9em; }
  .policy-important { font-size: 0.9em; }
  .x_apply_container { padding-top: 20px !important; }
  
  /* 导航菜单相关样式 */
  .x_nav_toggle {
    font-size: 1.6rem;
    padding: 6px 8px;
  }
  .x_nav_buttons {
    top: 48px;
  }
  .x_nav_btn {
    padding: 12px 16px;
  }
}