:root {
    --ilacven-bg: #FAF8F5;
    --ilacven-green: #256643;
    --ilacven-green-hover: #1b4b31;
    --ilacven-text: #2c2c2c;
    --ilacven-card-bg: #ffffff;
    --ilacven-border: #e8e4de;
    --ilacven-badge-bg: #EAA484;
  }

  html { scroll-behavior: smooth; }

  #earn-section, #redeem-section, #amazon-missions-section {
    scroll-margin-top: 80px;
  }

  /* 解决移动端横向滚动条问题 */
  body {
    overflow-x: hidden;
  }

  .ilacven-rewards {
    background-color: var(--ilacven-bg);
    color: var(--ilacven-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    padding-bottom: 60px;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    box-sizing: border-box;
  }

  .ilacven-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
  }

  /* Hero Banner - 基础样式 (PC端) */
  .rewards-hero {
    background: linear-gradient(rgba(27, 75, 49, 0.45), rgba(37, 102, 67, 0.55)), url('//ueeshop.ly200-cdn.com/u_file/UPBI/UPBI066/2607/23/photo/-1.jpg') center/cover no-repeat;
    color: #ffffff;
    text-align: center;
    padding: 160px 20px;
    width: 100%;
    box-sizing: border-box;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  }

  .rewards-hero h1 {
    font-family: "Georgia", serif;
    font-size: 64px;
    margin-bottom: 20px;
    font-weight: normal;
    letter-spacing: 0.5px;
    line-height: 1.15;
  }

  .rewards-hero p {
    font-size: 22px;
    max-width: 750px;
    margin: 0 auto 40px auto;
    opacity: 0.98;
    line-height: 1.6;
  }

  .hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  .btn-main, .btn-sub {
    padding: 16px 42px;
    font-size: 17px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-align: center;
  }

  .btn-main {
    background-color: var(--ilacven-green);
    color: #ffffff !important;
    border: 1px solid var(--ilacven-green);
  }

  .btn-main:hover { 
    background-color: var(--ilacven-green-hover); 
    transform: translateY(-2px);
  }

  .btn-sub {
    background-color: #ffffff;
    color: var(--ilacven-green) !important;
    border: 1px solid #ffffff;
  }

  .btn-sub:hover { 
    background-color: #f0f0f0; 
    transform: translateY(-2px);
  }

  .section-title {
    text-align: center;
    font-family: "Georgia", serif;
    font-size: 36px;
    color: var(--ilacven-text);
    margin: 70px 0 12px 0;
    font-weight: normal;
  }

  .section-subtitle {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    padding: 0 10px;
  }

  /* Dashboard */
  .user-dashboard {
    background: #ffffff;
    border: 1px solid var(--ilacven-border);
    border-radius: 8px;
    padding: 35px 30px;
    margin: -50px auto 40px auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    position: relative;
    z-index: 5;
    text-align: center;
  }

  .user-greeting { font-size: 16px; color: #777; margin-bottom: 5px; }
  .points-large { font-family: "Georgia", serif; font-size: 40px; color: var(--ilacven-text); margin-bottom: 30px; }
  .points-large span { color: var(--ilacven-green); font-weight: bold; }

  .dash-summary-cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 25px;
  }

  .dash-card {
    background: #faf8f5;
    border: 1px solid var(--ilacven-border);
    border-radius: 6px;
    padding: 18px 24px;
    flex: 1;
    max-width: 340px;
    text-align: left;
    cursor: pointer;
    transition: all 0.25s ease;
  }

  .dash-card:hover { border-color: var(--ilacven-green); background: #f4efe8; }
  .dash-card.active { border-color: var(--ilacven-green); background: #ffffff; box-shadow: 0 4px 12px rgba(37, 102, 67, 0.1); }

  .dash-card-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
    color: var(--ilacven-green);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .dash-card-title::after {
    content: '▼';
    font-size: 10px;
    color: #888;
    transition: transform 0.3s ease;
  }

  .dash-card.active .dash-card-title::after {
    transform: rotate(180deg);
    color: var(--ilacven-green);
  }

  .dash-card-sub { font-size: 13px; color: #666; }

  .expandable-panel {
    display: none;
    text-align: left;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--ilacven-border);
    animation: fadeIn 0.3s ease-in-out;
    overflow-x: auto; /* 移动端表格可横向滑动 */
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .history-title { font-size: 16px; color: var(--ilacven-text); font-weight: 600; margin-bottom: 12px; }

  .points-history-table { width: 100%; border-collapse: collapse; font-size: 14px; white-space: nowrap; }
  .points-history-table th { background: #f8f6f2; padding: 12px 18px; color: #555; border-bottom: 1px solid var(--ilacven-border); }
  .points-history-table td { padding: 14px 18px; border-bottom: 1px solid #f0ece6; }

  .plus-points { color: var(--ilacven-green); font-weight: bold; }
  .minus-points { color: #d9534f; font-weight: bold; }

  /* Standard Grid */
  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
  }

  .action-card {
    background: #ffffff;
    border: 1px solid var(--ilacven-border);
    border-radius: 8px;
    padding: 35px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 220px;
    box-sizing: border-box;
  }

  .action-icon { font-size: 40px; margin-bottom: 14px; transition: transform 0.3s ease; }
  .action-title { font-size: 17px; font-weight: 600; color: var(--ilacven-text); margin-bottom: 6px; }
  .action-sub { font-size: 14px; color: #777; }

  .hover-btn {
    position: absolute;
    bottom: -50px;
    opacity: 0;
    background-color: var(--ilacven-green);
    color: #ffffff !important;
    padding: 11px 30px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 12px rgba(37, 102, 67, 0.2);
    cursor: pointer;
    border: none;
    display: inline-block;
  }

  .hover-btn:hover { background-color: var(--ilacven-green-hover); }

  .action-card:hover {
    border-color: var(--ilacven-green);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
    padding-bottom: 65px;
  }

  .action-card:hover .action-icon { transform: scale(1.1); }
  .action-card:hover .hover-btn { bottom: 25px; opacity: 1; }

  /* Amazon Keyword Missions */
  .missions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 20px;
  }

  .mission-card {
    background: #ffffff;
    border: 1px solid var(--ilacven-border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
    box-sizing: border-box;
  }

  .mission-card:hover {
    border-color: var(--ilacven-green);
    box-shadow: 0 8px 24px rgba(37, 102, 67, 0.08);
    transform: translateY(-3px);
  }

  .mission-img-container {
    width: 100%;
    height: 200px;
    background: #faf8f5;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid #f0ece6;
  }

  .mission-img-container img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transition: transform 0.3s ease;
  }

  .mission-card:hover .mission-img-container img { transform: scale(1.05); }

  .mission-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--ilacven-badge-bg);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 4px;
    letter-spacing: 0.5px;
  }

  .mission-details h4 { font-family: "Georgia", serif; font-size: 18px; color: var(--ilacven-text); margin: 0 0 12px 0; font-weight: normal; }
  .mission-desc {
    font-size: 13.5px;
    color: #555;
    line-height: 1.6;
    margin-bottom: 20px;
    background: #faf8f5;
    padding: 12px 14px;
    border-radius: 6px;
    border: 1px solid var(--ilacven-border);
  }

  .search-keyword {
    display: inline-block;
    background: #ffffff;
    color: var(--ilacven-green);
    border: 1px dashed var(--ilacven-green);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: monospace;
    font-weight: 700;
    font-size: 13px;
    word-break: break-all;
  }

  .mission-buttons { display: flex; gap: 12px; }

  .btn-outline-green, .btn-solid-green {
    flex: 1;
    padding: 11px 10px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13.5px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
  }

  .btn-outline-green {
    background: #ffffff;
    color: var(--ilacven-green);
    border: 1px solid var(--ilacven-green);
  }

  .btn-outline-green:hover { background: #f0f7f3; }

  .btn-solid-green {
    background: var(--ilacven-green);
    color: #ffffff;
    border: 1px solid var(--ilacven-green);
  }

  .btn-solid-green:hover { background: var(--ilacven-green-hover); }

  /* Modal 弹窗逻辑 */
  .ilacven-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(3px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .ilacven-modal-overlay.active {
    display: flex !important;
    opacity: 1 !important;
  }

  .ilacven-modal {
    background: #ffffff;
    border-radius: 12px;
    width: 90%;
    max-width: 480px;
    padding: 35px 30px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    box-sizing: border-box;
    max-height: 90vh;
    overflow-y: auto;
  }

  .ilacven-modal-icon { font-size: 44px; margin-bottom: 12px; }
  .ilacven-modal-title { font-family: "Georgia", serif; font-size: 22px; color: var(--ilacven-text); margin-bottom: 10px; }
  .ilacven-modal-msg { font-size: 14.5px; color: #666; line-height: 1.6; margin-bottom: 24px; }

  .ilacven-modal-btns { display: flex; gap: 12px; justify-content: center; }

  .modal-btn-confirm {
    background-color: var(--ilacven-green);
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
    flex: 1;
  }

  .modal-btn-confirm:hover { background-color: var(--ilacven-green-hover); }

  .modal-btn-cancel {
    background-color: #f0ece6;
    color: #555;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    font-size: 14px;
  }

  .modal-btn-cancel:hover { background-color: #e2ded8; }

  .input-group { text-align: left; margin-bottom: 14px; }
  .input-group label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--ilacven-green); }
  .input-group input, .input-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--ilacven-border);
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 14px;
    outline: none;
    font-family: inherit;
  }
  .input-group input:focus, .input-group textarea:focus { border-color: var(--ilacven-green); }

  /* 隐藏 Ueeshop 原生表单 */
  form[action*="form.php"],
  .view_form,
  .inquiry_form,
  .themes_form,
  div[class*="form"] {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    height: 0 !important;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .ilacven-modal form {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    height: auto !important;
  }

/* ==========================================================================
   📱 手机端/小屏设备全模块横向滑块改造 (< 768px)
   ========================================================================== */
@media screen and (max-width: 767px) {
  #earn-section, #redeem-section, #amazon-missions-section {
    scroll-margin-top: 60px;
  }

  .ilacven-rewards {
    padding-bottom: 40px;
  }

  /* --------------------------------------------------------------------------
     1. Hero Banner 顶部样式优化
     -------------------------------------------------------------------------- */
  .rewards-hero {
    padding: 100px 24px 110px 24px !important;
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
  }

  .rewards-hero h1 {
    font-size: 32px !important;
    line-height: 1.25 !important;
    margin-bottom: 12px !important;
    font-weight: 400;
    letter-spacing: 0.5px;
  }

  .rewards-hero p {
    font-size: 14px !important;
    line-height: 1.55 !important;
    margin-bottom: 28px !important;
    opacity: 0.95;
    max-width: 90%;
  }

  .hero-btns {
    flex-direction: column;
    gap: 12px;
    width: 100%;
    align-items: center;
  }

  .btn-main, .btn-sub {
    width: 80% !important;
    max-width: 260px !important;
    padding: 12px 20px !important;
    font-size: 15px !important;
    border-radius: 4px !important;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    box-sizing: border-box;
    text-align: center;
  }

  .user-dashboard {
    margin: -30px 12px 30px 12px;
    padding: 24px 16px;
  }

  .points-large { font-size: 32px; margin-bottom: 20px; }
  .dash-summary-cards { flex-direction: column; gap: 12px; }
  .dash-card { max-width: 100%; padding: 14px 18px; }

  .section-title { font-size: 24px; margin: 35px 0 6px 0; }
  .section-subtitle { font-size: 13.5px; margin-bottom: 20px; }

  /* --------------------------------------------------------------------------
     🚀 核心改造：所有模块网格（card-grid & missions-grid）强行改为左右手势滑块
     -------------------------------------------------------------------------- */
  .card-grid, .missions-grid {
    display: flex !important;              /* 从 grid 改为横向 flex 排列 */
    grid-template-columns: none !important;
    overflow-x: auto !important;           /* 开启横向手势滚动 */
    scroll-snap-type: x mandatory;         /* 开启原生平滑吸附停靠 */
    -webkit-overflow-scrolling: touch;     /* iOS 顺滑物理滚动 */
    gap: 14px !important;
    padding: 10px 16px 20px 16px !important;/* 留出阴影和边距空间 */
    margin-left: -16px !important;         /* 抵消父级边距，让卡片可以滑到屏幕边缘 */
    margin-right: -16px !important;
    box-sizing: border-box;
  }

  /* 隐藏隐藏难看的移动端原生横向滚动条 */
  .card-grid::-webkit-scrollbar, 
  .missions-grid::-webkit-scrollbar {
    display: none !important;
  }

  /* 💡 2. 普通积分卡片 (Earn & Redeem 模块) 宽度与吸附 */
  .action-card {
    flex: 0 0 78% !important;              /* 每个卡片占屏幕 78% 宽度，完美露出右侧下一个卡片边缘 */
    max-width: 280px !important;
    min-height: auto !important;
    scroll-snap-align: center;             /* 滑动停止时自动居中 */
    padding: 24px 16px 20px 16px !important;
    margin-bottom: 0 !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05) !important;
  }

  /* 移动端直接展示 Hover 按钮，不用等悬停 */
  .action-card .hover-btn {
    position: static !important;
    opacity: 1 !important;
    margin-top: 16px !important;
    transform: none !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 💡 3. Amazon 任务卡片 (Missions 模块) 宽度与布局适配 */
  .mission-card {
    flex: 0 0 85% !important;              /* 任务卡片稍微宽一点，占 85% 屏幕 */
    max-width: 320px !important;
    scroll-snap-align: center;
    padding: 16px !important;
    margin-bottom: 0 !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05) !important;
  }

  .mission-img-container { height: 160px !important; }
  .mission-desc { font-size: 12.5px !important; padding: 10px !important; margin-bottom: 14px !important; }
  .mission-buttons { flex-direction: column; gap: 8px; }
  .btn-outline-green, .btn-solid-green { width: 100%; padding: 10px; font-size: 13px; }

  /* Modal 弹窗优化 */
  .ilacven-modal { padding: 25px 20px; width: 92%; }
  .ilacven-modal-title { font-size: 19px; }
  .ilacven-modal-btns { flex-direction: column-reverse; }
  .modal-btn-confirm, .modal-btn-cancel { width: 100%; }
}