/* Road Bike Fitter - Final UI Style with Frosted Glass */
/* 公路车尺码助手 - 最终UI样式（毛玻璃效果） */

/* CSS 变量定义 */
/* CSS Variables Definition */
.rb-sizer-astra-container {
    --bg-color: transparent;
    --text-color: #1a202c;
    --card-bg: rgba(255, 255, 255, 0.2);
    --card-border-color: rgba(255, 255, 255, 0.3);
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --card-hover-shadow: 0 10px 40px 0 rgba(31, 38, 135, 0.25);

    --input-bg: rgba(255, 255, 255, 0.75);
    --input-border: rgba(200, 200, 200, 0.4);
    --input-focus-border-color: #00AFFF;

    --primary-btn-bg: linear-gradient(90deg, #00AFFF 0%, #A777E8 100%);
    --primary-btn-hover-bg-filter: saturate(1.1) brightness(1.05);
    --primary-btn-text-light: white;

    --link-color: #00AFFF;
    --icon-color: #007bff;
    --icon-hover-color: #0056b3;

    background-color: var(--bg-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: var(--text-color);
    line-height: 1.6;
    padding-top: 20px;
    padding-bottom: 20px;
    border-radius: 8px;
    overflow: hidden; /* 确保子元素的毛玻璃效果不会溢出 */
    max-width: 1152px; /* 插件内容的最大宽度 */
    margin: 40px auto; /* 居中显示 */
    padding-left: 20px; /* 内部左右边距 */
    padding-right: 20px;
}

/*
   提醒：以下全局样式已从此文件中移除，因为它们更适合放在主题的自定义CSS中：
   - body::before (全站背景模糊层)
   - .site-header, .navigation-stickynav (页眉和粘性导航的毛玻璃效果)
   - .site-main, .inside-article (主内容区透明化)
   - 移动端 .menu-toggle, .site-branding img 的 drop-shadow 效果
   请确保这些样式已在您的主题设置中妥善配置，以保持网站整体外观的一致性。
*/

.rb-sizer-astra-container .rbf-cards-wrapper {
    width: 100%;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    background: transparent; /* 确保包装器本身是透明的 */
}

.rb-sizer-astra-container .page-header.rbsa-page-header {
    padding: 2rem 1.5rem;
    margin-bottom: 30px;
    background-color: var(--card-bg); /* 使用插件定义的卡片背景 */
    border-radius: 16px;
    border: 1px solid var(--card-border-color); /* 使用插件定义的卡片边框 */
    box-shadow: var(--card-shadow); /* 使用插件定义的卡片阴影 */
    -webkit-backdrop-filter: blur(10px) saturate(150%); /* 毛玻璃效果 */
    backdrop-filter: blur(10px) saturate(150%);
    text-align: center;
}
.rb-sizer-astra-container .page-header.rbsa-page-header h1,
.rb-sizer-astra-container .page-header.rbsa-page-header p {
    color: var(--text-color); /* 使用插件定义的文本颜色 */
    text-shadow: 0px 1px 2px rgba(0, 0, 0, 0.1);
    margin: 0;
}
.rb-sizer-astra-container .page-header.rbsa-page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
@media (min-width: 768px) {
    .rb-sizer-astra-container .page-header.rbsa-page-header h1 {
        font-size: 3rem;
    }
}
.rb-sizer-astra-container .page-header.rbsa-page-header p {
    font-size: 1.125rem;
    opacity: 0.9;
}

.rb-sizer-astra-container .glass-card {
    position: relative;
    background: var(--card-bg);
    backdrop-filter: blur(16px); /* 插件卡片的特定模糊值 */
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border-color);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    color: var(--text-color);
    overflow: hidden; /* 对于内部绝对定位的伪元素或子元素很重要 */
    z-index: 1; /* 确保在某些布局中正确堆叠 */
    padding: 30px;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}
.rb-sizer-astra-container .glass-card:hover {
    box-shadow: var(--card-hover-shadow); /* 使用插件定义的悬停阴影 */
    transform: translateY(-3px);
}

.rb-sizer-astra-container .rbf-card-title,
.rb-sizer-astra-container .rbf-fieldset-legend {
    font-size: 1.5em;
    color: var(--text-color);
    margin-top: 0;
    margin-bottom: 25px;
    font-weight: 500;
    border-bottom: 1px solid var(--input-border); /* 使用插件定义的输入边框颜色作为分隔线 */
    padding-bottom: 12px;
}
.rb-sizer-astra-container fieldset {
    border: none;
    padding: 0;
    margin: 0 0 25px 0;
}
.rb-sizer-astra-container fieldset:last-of-type {
    margin-bottom: 10px;
}

.rb-sizer-astra-container .rbf-form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}
.rb-sizer-astra-container .rbf-form-group {
    flex-basis: 100%;
    margin-bottom: 0; /* 如果子元素有外边距，这里可以设为0 */
    position: relative; /* 用于可能的绝对定位子元素，如提示图标 */
}
.rb-sizer-astra-container .rbf-form-group-half {
    flex: 1 1 calc(50% - 10px); /* 减去gap的一半 */
    box-sizing: border-box;
}
.rb-sizer-astra-container .rbf-form-group-third {
    flex: 1 1 calc(33.333% - 14px); /* (gap * 2/3) */
    box-sizing: border-box;
}


.rb-sizer-astra-container .rbf-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.95;
    font-size: 0.9em;
}
.rb-sizer-astra-container .rbf-form-group label .rbf-optional {
    font-weight: normal;
    opacity: 0.75;
    font-size: 0.9em;
}

.rb-sizer-astra-container input[type="number"],
.rb-sizer-astra-container select {
    width: 100% !important; /* 确保填满容器，!important 用于覆盖主题默认 */
    background-color: var(--input-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--input-border) !important;
    border-radius: 8px !important;
    padding: 12px 15px !important;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease !important;
    box-shadow: 0 1px 2px 0 rgba(0,0,0,0.03), 0 2px 4px -1px rgba(0,0,0,0.03) !important;
    min-height: 48px !important; /* 确保足够点击区域 */
    line-height: 1.5 !important;
    font-size: 1em !important;
    box-sizing: border-box !important;
}
.rb-sizer-astra-container input[type="number"]:focus,
.rb-sizer-astra-container select:focus {
    outline: none !important;
    border-color: var(--input-focus-border-color) !important; /* 使用插件定义的焦点颜色 */
    box-shadow: 0 0 0 3px rgba(0, 175, 255, 0.25) !important; /* 模拟焦点光晕 */
    background-color: rgba(255, 255, 255, 0.98) !important; /* 焦点时背景更不透明 */
}
.rb-sizer-astra-container input::placeholder {
    color: var(--text-color);
    opacity: 0.5;
}
.rb-sizer-astra-container select {
    -webkit-appearance: none; /* 移除默认箭头 (Chrome, Safari, Opera) */
    -moz-appearance: none;    /* 移除默认箭头 (Firefox) */
    appearance: none;         /* 移除默认箭头 (标准) */
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23495057%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E') !important; /* 自定义箭头 */
    background-repeat: no-repeat !important;
    background-position: right 15px center !important;
    background-size: 10px 10px !important;
    padding-right: 40px !important; /* 为箭头腾出空间 */
}

.rb-sizer-astra-container .btn {
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem; /* 图标和文字间距 */
    border: none; /* 默认无边框，除非特定按钮类型需要 */
    line-height: 1.5;
    box-sizing: border-box;
    text-decoration: none; /* 避免链接按钮的下划线 */
    white-space: nowrap; /* 防止按钮文字换行 */
}
.rb-sizer-astra-container .btn:hover {
    transform: translateY(-2px); /* 轻微上浮效果 */
}

.rb-sizer-astra-container .btn-primary {
    background: var(--primary-btn-bg) !important; /* 使用插件定义的主按钮背景 */
    color: var(--primary-btn-text-light) !important; /* 使用插件定义的主按钮文字颜色 */
    padding: 14px 28px !important; /* 更大的内边距 */
    box-shadow: 0 5px 15px 0 rgba(0, 118, 255, 0.3) !important; /* 主按钮阴影 */
}
.rb-sizer-astra-container .btn-primary:hover {
    filter: var(--primary-btn-hover-bg-filter) !important; /* 使用插件定义的悬停滤镜 */
    box-shadow: 0 7px 18px 0 rgba(0, 118, 255, 0.35) !important;
}
.rb-sizer-astra-container .btn-primary:disabled {
    background: #adb5bd !important; /* 禁用状态背景 */
    filter: none !important;
    box-shadow: none !important;
    cursor: not-allowed;
    transform: translateY(0);
}

.rb-sizer-astra-container .btn-secondary {
    background-color: rgba(255, 150, 0, 0.95); /* 次要按钮示例颜色 */
    color: white;
    padding: 12px 24px;
    border: 1px solid rgba(255,255,255,0.2); /* 轻微边框 */
}
.rb-sizer-astra-container .btn-secondary:hover {
    background-color: rgba(255, 120, 0, 0.95);
}

.rb-sizer-astra-container .btn-tertiary {
    background-color: rgba(255, 255, 255, 0.15); /* 第三级按钮背景 */
    color: var(--text-color);
    border: 1px solid var(--card-border-color);
    padding: 10px 18px;
}
.rb-sizer-astra-container .btn-tertiary:hover {
    background-color: rgba(255, 255, 255, 0.25);
}
.rb-sizer-astra-container .btn-tertiary.active { /* 激活状态的第三级按钮 */
    background-color: rgba(0, 123, 255, 0.2);
    color: var(--link-color);
    border-color: rgba(0, 123, 255, 0.4);
}

/* 卡片内操作按钮容器 (例如京东、淘宝链接) */
.rb-sizer-astra-container .rbf-card-actions {
    display: flex;
    gap: 10px;
}
.rb-sizer-astra-container .rbf-card-actions .btn {
    flex: 1; /* 让按钮平分空间 */
    padding: 10px 15px !important; /* 稍小的内边距 */
    font-size: 0.9em;
}


.rb-sizer-astra-container .bike-image {
    width: 100%;
    height: auto; /* 保持图片比例 */
    object-fit: cover; /* 覆盖容器，可能裁剪 */
    border-radius: 12px; /* 图片圆角 */
    display: block; /* 消除图片底部空隙 */
    border: 1px solid var(--card-border-color); /* 图片边框 */
}

.rb-sizer-astra-container .bike-image-container {
    position: relative; /* 用于图片切换控件的定位 */
    margin-bottom: 20px;
    overflow: hidden; /* 确保圆角生效 */
    border-radius: 12px;
}

.rb-sizer-astra-container .bike-image-controls button {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    opacity: 0.65;
    background-color: rgba(30, 30, 30, 0.4); /* 半透明背景 */
    border-radius: 50%; /* 圆形按钮 */
    transition: opacity 0.2s ease, background-color 0.2s ease;
}
.rb-sizer-astra-container .bike-image-controls button:hover {
    opacity: 1;
    background-color: rgba(0, 0, 0, 0.6);
}
.rb-sizer-astra-container .bike-image-controls button svg {
    fill: white; /* SVG 图标颜色 */
    width: 1rem;
    height: 1rem;
}

.rb-sizer-astra-container .price-text {
    color: var(--link-color); /* 价格文本颜色 */
    font-weight: 600;
    font-size: 1.2em;
}

.rb-sizer-astra-container #comparisonBar {
    position: fixed; /* 固定在底部 */
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--card-bg); /* 使用卡片背景，带毛玻璃效果 */
    border-top: 1px solid var(--card-border-color);
    box-shadow: var(--card-shadow);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000; /* 确保在顶层 */
    transition: transform 0.3s ease-in-out;
    transform: translateY(100%); /* 默认隐藏在屏幕外 */
    -webkit-backdrop-filter: blur(14px) saturate(160%); /* 对比栏的毛玻璃效果 */
    backdrop-filter: blur(14px) saturate(160%);
}
.rb-sizer-astra-container #comparisonBar.visible {
    transform: translateY(0); /* 显示对比栏 */
}
.rb-sizer-astra-container #comparisonItems {
    display: flex;
    flex-wrap: wrap; /* 允许换行 */
    gap: 8px;
    align-items: center;
    flex-grow: 1; /* 占据剩余空间 */
    margin-right: 10px;
    min-width: 0; /* 修正 flex item 溢出问题 */
}
.rb-sizer-astra-container .comparison-count-label {
    font-size: 0.875rem;
    margin-bottom: 0;
    margin-right: 8px;
    color: var(--text-color);
    white-space: nowrap;
}
.rb-sizer-astra-container .comparison-item-chip {
    background-color: rgba(255, 255, 255, 0.3); /* 标签背景 */
    color: var(--text-color);
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 5px 10px;
    border-radius: 16px; /* 胶囊形状 */
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px; /* 限制单个标签最大宽度 */
}
.rb-sizer-astra-container .comparison-item-chip span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-grow: 1;
}
.rb-sizer-astra-container .comparison-item-chip button { /* 移除按钮 */
    background: none;
    border: none;
    color: inherit;
    font-size: 1.1em;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    flex-shrink: 0; /* 防止按钮被压缩 */
}

.rb-sizer-astra-container #comparisonBarControls {
  display: flex;
  flex-wrap: wrap; /* 允许按钮换行 */
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.rb-sizer-astra-container #comparisonBarControls .btn {
  min-width: 120px; /* 按钮最小宽度 */
  padding: 14px 20px !important; /* 统一按钮内边距 */
  font-size: 1rem;
  text-align: center;
  white-space: nowrap;
  border-radius: 12px; /* 按钮圆角 */
  flex: 1 1 auto; /* 允许按钮在空间不足时收缩，在空间充足时扩展 */
  max-width: 180px; /* 按钮最大宽度 */
}


.rb-sizer-astra-container #comparisonModalOverlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.6); /* 半透明黑色遮罩 */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000; /* 比对比栏更高层级 */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.rb-sizer-astra-container #comparisonModalOverlay.visible {
    opacity: 1;
    visibility: visible;
}
.rb-sizer-astra-container #comparisonModal {
    background-color: var(--card-bg); /* 模态框背景，带毛玻璃 */
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 15px 45px rgba(0,0,0,0.25); /* 更深的阴影 */
    width: 90%;
    max-width: 1100px; /* 模态框最大宽度 */
    max-height: 90vh; /* 模态框最大高度 */
    overflow-y: auto; /* 内容超出时可滚动 */
    position: relative;
    border: 1px solid var(--card-border-color);
    -webkit-backdrop-filter: blur(15px) saturate(160%); /* 模态框毛玻璃效果 */
    backdrop-filter: blur(15px) saturate(160%);
}
.rb-sizer-astra-container #comparisonModalHeader {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.rb-sizer-astra-container #comparisonModalCloseBtn {
    font-size: 1.8rem; /* 关闭按钮图标大小 */
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
    transition: opacity 0.2s ease;
}
.rb-sizer-astra-container #comparisonModalCloseBtn:hover {
    opacity: 1;
}

.rb-sizer-astra-container #comparisonContent.comparison-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(2, 1fr); /* 移动端和小屏幕默认2列 */
}
@media (min-width: 1024px) { /* 桌面端 */
    .rb-sizer-astra-container #comparisonContent.comparison-grid {
        grid-template-columns: repeat(4, 1fr); /* 桌面4列 */
    }
}
/* 平板电脑默认使用2列，无需额外规则 */


.rb-sizer-astra-container .comparison-bike-column { /* 对比中的单个自行车卡片 */
    /* .glass-card 的样式已经应用，这里可以添加或覆盖特定于对比列的样式 */
    padding: 20px; /* 覆盖 .glass-card 的内边距（如果需要） */
    display: flex;
    flex-direction: column;
}
.rb-sizer-astra-container .comparison-bike-column img {
    width: 100%;
    aspect-ratio: 1 / 1; /* 保持1:1的宽高比 */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}
.rb-sizer-astra-container .comparison-bike-column h4 {
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    border-bottom: 1px solid var(--input-border);
    padding-bottom: 8px;
}
.rb-sizer-astra-container .comparison-bike-column p {
    font-size: 0.9em;
    margin-bottom: 6px;
    color: var(--text-color);
    opacity: 0.9;
}
.rb-sizer-astra-container .comparison-bike-column .price-text {
    font-weight: bold;
    font-size: 1.1em;
    margin-top: auto; /* 将价格推到底部 */
    padding-top: 10px; /* 与上方内容间距 */
}
.rb-sizer-astra-container .comparison-bike-column .btn { /* 对比卡片内的按钮 */
    font-size: 0.85em;
    padding: 8px 12px !important;
}


.rb-sizer-astra-container .rbf-error-message,
.rb-sizer-astra-container #error-message { /* 错误信息提示 */
    background-color: rgba(220, 53, 69, 0.15); /* 淡红色背景 */
    color: #b22222; /* 深红色文字 */
    border: 1px solid rgba(220, 53, 69, 0.25);
    padding: 12px 18px;
    border-radius: 10px;
    -webkit-backdrop-filter: blur(8px); /* 轻微模糊 */
    backdrop-filter: blur(8px);
    margin-top: 20px;
    text-align: center;
    font-weight: 500;
    clear: both; /* 清除浮动，如果前面有浮动元素 */
}
.rb-sizer-astra-container .rbf-error-message:empty,
.rb-sizer-astra-container #error-message:empty { /* 无内容时隐藏 */
    display: none;
}

/* Recommendation Area Mobile Layout */
.rb-sizer-astra-container #recommendationArea .rbf-results-content {
    display: flex;
    flex-wrap: wrap;
    gap: 0 15px; /* 水平间隙，垂直间隙由p元素的mb-*类控制 */
}

.rb-sizer-astra-container #recommendationArea .rbf-results-content p {
    /* 默认情况下，让它们可以缩小 */
    flex-grow: 1;
    flex-shrink: 1;
}

.rb-sizer-astra-container #recommendationArea .rbf-results-content p#generalAdvice {
    /* 通用建议始终占据整行 */
    flex-basis: 100% !important;
    width: 100% !important;
}


@media (max-width: 768px) { /* 移动端响应式调整 */
    .rb-sizer-astra-container {
        padding-left: 10px;
        padding-right: 10px;
        margin-top: 15px;
        margin-bottom: 15px;
    }
    .rb-sizer-astra-container .page-header.rbsa-page-header {
        padding: 1.5rem 1rem;
    }
    .rb-sizer-astra-container .page-header.rbsa-page-header h1 {
        font-size: 1.8rem !important;
    }
    .rb-sizer-astra-container .page-header.rbsa-page-header p {
        font-size: 0.9rem !important;
    }
    .rb-sizer-astra-container .rbf-form-row {
        flex-direction: column !important; /* 表单行在移动端垂直排列 */
        gap: 0 !important;
        margin-bottom: 0 !important;
    }
    .rb-sizer-astra-container .rbf-form-group-half,
    .rb-sizer-astra-container .rbf-form-group-third {
        min-width: 100% !important; /* 表单组占满整行 */
        flex-basis: auto !important;
        margin-bottom: 20px !important; /* 垂直排列时的间距 */
    }
    .rb-sizer-astra-container .rbf-form-group-half:last-child,
    .rb-sizer-astra-container .rbf-form-group-third:last-child {
        margin-bottom: 0 !important; /* 最后一个表单组无下外边距 */
    }
    .rb-sizer-astra-container .glass-card {
        padding: 20px !important; /* 移动端卡片内边距减小 */
    }

    /* Mobile layout for recommendation results: 2 items per row */
    .rb-sizer-astra-container #recommendationArea .rbf-results-content p:not(#generalAdvice) {
        flex-basis: calc(50% - 7.5px); /* 减去gap的一半 (15px / 2) */
        min-width: calc(50% - 7.5px); /* 确保不会被过度压缩 */
    }
     /* Ensure that if only one item remains on a line, it doesn't stretch full width if not desired */
    .rb-sizer-astra-container #recommendationArea .rbf-results-content p:not(#generalAdvice):last-child:nth-child(odd) {
        /* If the last item is odd (meaning it's alone on a new line in a 2-col layout),
           you might want to prevent it from stretching.
           However, with flex-grow:1 this might not be an issue, or you might want it to stretch.
           This rule is optional and depends on desired behavior for a single remaining item.
        */
        /* flex-grow: 0; */ /* Example: prevent stretching */
    }


    .rb-sizer-astra-container #comparisonItems {
        /* 在小屏幕上，对比项目标签可能需要垂直堆叠或更好地处理换行 */
        /* 例如，如果希望它们堆叠而不是并排 */
        /* flex-direction: column;
           align-items: stretch; */
    }
    .rb-sizer-astra-container .comparison-item-chip {
        max-width: none; /* 在小屏幕上允许标签更宽 */
    }
    .rb-sizer-astra-container #comparisonBarControls {
        flex-direction: column; /* 对比栏控制按钮垂直排列 */
        justify-content: center;
        align-items: center; /* 或 align-items: stretch; 使按钮同宽 */
        gap: 10px;
        margin-top: 10px; /* 与对比项的间距 */
        width: 100%; /* 控制按钮容器占满可用宽度 */
    }
    .rb-sizer-astra-container #comparisonBarControls .btn {
        width: 90%; /* 控制按钮宽度 */
        max-width: 300px; /* 最大宽度 */
        margin-left: 0; /* 清除可能的左右外边距 */
        margin-right: 0;
    }

     .rb-sizer-astra-container #comparisonModal {
         width: 95%; /* 移动端模态框宽度 */
         padding: 15px; /* 模态框内边距 */
     }
    /* 移动端对比模态框内的网格，保持2列 */
    .rb-sizer-astra-container #comparisonContent.comparison-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.rb-sizer-astra-container footer {
    padding: 1.5rem 1rem;
    border-top: 1px solid var(--card-border-color);
    border-radius: 12px; /* 页脚也带圆角 */
    margin-top: 2rem;
    text-align: center;
    background-color: rgba(255,255,255,0.05); /* 非常轻微的背景，带模糊 */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}
.rb-sizer-astra-container footer p {
    color: var(--text-color);
    opacity: 0.85;
    text-shadow: 0px 1px 2px rgba(0, 0, 0, 0.1);
    margin: 0.25rem 0;
}

.rb-sizer-astra-container #bikeList { /* 自行车列表容器 */
    margin-top: 30px; /* 与上方筛选区域的间距 */
}

.rb-sizer-astra-container #noResults { /* 无结果提示 */
    background-color: var(--card-bg); /* 使用卡片背景 */
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    padding: 40px 25px;
    margin-top: 30px;
    border: 1px solid var(--card-border-color);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    backdrop-filter: blur(12px) saturate(150%);
    text-align: center;
}
/* 如果 #noResults 内有SVG图标，可以添加样式 */
/* .rb-sizer-astra-container #noResults svg {
    color: var(--text-color);
    opacity: 0.6;
    margin-bottom: 1rem;
    width: 50px;
    height: 50px;
} */
.rb-sizer-astra-container #noResults p {
    color: var(--text-color);
    opacity: 0.9;
}