/* ============================================
   微网拍拍 - 在线竞拍拍卖商城 移动端H5样式
   1:1还原参考设计图
   ============================================ */

/* 基础重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; font-size: 14px; color: #333; background: #f5f5f5; -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; }
a { text-decoration: none; color: #333; }
ul, li { list-style: none; }
img { max-width: 100%; display: block; }
input, textarea, select { outline: none; border: none; font-family: inherit; }

/* 页面容器 */
.page-wrapper { padding-bottom: 60px; min-height: 100vh; max-width: 750px; margin: 0 auto; }

/* ========== 顶部导航栏 ========== */
.top-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: linear-gradient(135deg, #C0392B, #E74C3C);
    height: 50px; display: flex; align-items: center; padding: 0 12px;
    max-width: 750px; margin: 0 auto;
}
.top-header .logo { display: flex; align-items: center; margin-right: 10px; flex-shrink: 0; }
.top-header .logo-icon {
    width: 30px; height: 30px; background: #fff; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 900; color: #C0392B; margin-right: 6px;
    font-style: italic; letter-spacing: -1px;
}
.top-header .logo-text { color: #fff; font-size: 17px; font-weight: bold; white-space: nowrap; letter-spacing: 1px; }
.top-header .search-bar {
    flex: 1; height: 32px; background: rgba(255,255,255,0.25); border-radius: 16px;
    display: flex; align-items: center; padding: 0 14px;
    color: rgba(255,255,255,0.85); font-size: 13px; cursor: pointer;
}
.top-header .search-bar .search-icon { margin-right: 6px; font-size: 14px; }
.top-header-spacer { height: 50px; }

/* ========== 详情页顶部 ========== */
.detail-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: #fff; height: 46px; display: flex; align-items: center;
    padding: 0 12px; border-bottom: 1px solid #eee;
    max-width: 750px; margin: 0 auto;
}
.detail-header .back-btn { font-size: 22px; padding: 5px 8px 5px 0; cursor: pointer; color: #333; }
.detail-header .page-title { flex: 1; text-align: center; font-size: 17px; font-weight: 600; }
.detail-header-spacer { height: 46px; }

/* ========== Banner轮播区 ========== */
.banner-section { margin: 10px 12px 0; border-radius: 10px; overflow: hidden; position: relative; }
.banner-slider {
    display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.banner-slider::-webkit-scrollbar { display: none; }
.banner-slide { min-width: 100%; scroll-snap-align: start; }
.banner-slide img { width: 100%; height: 180px; object-fit: cover; }
.banner-dots { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; }
.banner-dots .dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.5); transition: all 0.3s; }
.banner-dots .dot.active { background: #fff; width: 20px; border-radius: 4px; }

/* ========== 拍卖公告栏 ========== */
.notice-bar {
    margin: 10px 12px; background: #fff; border-radius: 10px;
    padding: 12px 14px; display: flex; align-items: center; overflow: hidden;
}
.notice-bar .notice-label {
    flex-shrink: 0; font-size: 14px; font-weight: bold; color: #333;
    margin-right: 12px; padding-right: 12px; border-right: 1px solid #eee;
}
.notice-bar .notice-content { flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: #666; font-size: 13px; }
.notice-bar .notice-arrow { flex-shrink: 0; color: #ccc; margin-left: 8px; font-size: 18px; }

/* ========== 功能入口区 - 九宫格 ========== */
.category-nav { margin: 10px 12px; background: #fff; border-radius: 10px; padding: 18px 10px 10px; }
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px 0; }
.category-item {
    display: flex; flex-direction: column; align-items: center; padding: 4px;
    cursor: pointer; transition: transform 0.15s;
}
.category-item:active { transform: scale(0.92); }
.category-item .cat-icon {
    width: 52px; height: 52px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 8px; font-size: 24px; transition: transform 0.2s;
}
/* 分类图标颜色 - 匹配参考图 */
.cat-icon.calligraphy { background: #f0ebe4; color: #8B6914; }
.cat-icon.shop { background: #E63946; color: #fff; }
.cat-icon.zero { background: #2EC4B6; color: #fff; }
.cat-icon.fixed { background: #FF6B35; color: #fff; }
.cat-icon.featured { background: #F4D35E; color: #996515; }
.cat-icon.preview { background: #F4845F; color: #fff; }
.cat-icon.special { background: #E8B640; color: #fff; }
.cat-icon.news { background: #D4A017; color: #fff; }
.cat-icon.join { background: #5B8DEF; color: #fff; }
.cat-icon img { width: 28px; height: 28px; }
.category-item .cat-name { font-size: 12px; color: #555; font-weight: 500; }

/* ========== 区域标题 ========== */
.section-title {
    text-align: center; padding: 20px 0 14px; font-size: 16px; font-weight: bold;
    color: #333; display: flex; align-items: center; justify-content: center;
}
.section-title::before, .section-title::after { content: ''; width: 40px; height: 1px; background: #ddd; margin: 0 12px; }

/* ========== 瀑布流商品列表 ========== */
.waterfall { padding: 0 8px; display: flex; gap: 8px; }
.waterfall-col { flex: 1; display: flex; flex-direction: column; gap: 8px; }

/* 商品卡片 */
.goods-card {
    background: #fff; border-radius: 10px; overflow: hidden; cursor: pointer;
    transition: transform 0.15s; box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.goods-card:active { transform: scale(0.97); }
.goods-card .goods-img { width: 100%; position: relative; overflow: hidden; }
.goods-card .goods-img img { width: 100%; display: block; min-height: 120px; background: #f0f0f0; }
/* 自适应模式 - 图片保持原始宽高比 */
.waterfall.mode-adaptive .goods-card .goods-img img { min-height: auto; height: auto; object-fit: contain; }
/* 固定高度模式 */
.waterfall.mode-fixed .goods-card .goods-img img { height: 160px; min-height: 160px; object-fit: cover; }
/* 正方形模式 */
.waterfall.mode-square .goods-card .goods-img { padding-top: 100%; position: relative; }
.waterfall.mode-square .goods-card .goods-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; min-height: auto; object-fit: cover; }
/* 状态角标 */
.goods-card .goods-tag {
    position: absolute; top: 8px; left: 8px; padding: 3px 10px;
    border-radius: 4px; font-size: 11px; color: #fff; font-weight: bold;
    letter-spacing: 0.5px;
}
.goods-tag.tag-fixed { background: #FF6B35; }
.goods-tag.tag-preview { background: #2EC4B6; }
.goods-tag.tag-active { background: #E63946; }
.goods-tag.tag-zero { background: #E63946; }
.goods-tag.tag-ended { background: #999; }
/* 卡片信息区 */
.goods-card .goods-info { padding: 10px 10px 12px; }
.goods-card .goods-title {
    font-size: 13px; line-height: 1.5; color: #333;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden; margin-bottom: 8px; min-height: 39px;
}
.goods-card .goods-price { display: flex; align-items: baseline; justify-content: space-between; }
.goods-card .goods-price .price { color: #C0392B; font-size: 17px; font-weight: bold; }
.goods-card .goods-price .price .yen { font-size: 12px; margin-right: 1px; }
.goods-card .goods-price .bid-icon { color: #D4A017; font-size: 16px; }
.goods-card .goods-stock { font-size: 11px; color: #999; margin-top: 5px; }

/* ========== 底部TabBar导航 ========== */
.bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0; height: 56px;
    background: #fff; border-top: 1px solid #f0f0f0; display: flex; z-index: 100;
    max-width: 750px; margin: 0 auto;
}
.bottom-nav .nav-item {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    justify-content: center; font-size: 10px; color: #999; cursor: pointer;
    position: relative; transition: color 0.2s; padding-top: 4px;
}
.bottom-nav .nav-item.active { color: #C0392B; }
.bottom-nav .nav-item .nav-icon { font-size: 22px; margin-bottom: 3px; line-height: 1; }
.bottom-nav .nav-item .nav-icon .theme-icon { display: inline-flex; width: 24px; height: 24px; margin-bottom: 0; }
.bottom-nav .nav-item .nav-icon .theme-icon svg { width: 100%; height: 100%; }
/* 发布按钮特殊样式 */
.bottom-nav .nav-item.publish-btn .nav-icon {
    width: 44px; height: 44px; background: #333; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 26px; margin-top: -18px;
    border: 3px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
/* 消息红点 */
.bottom-nav .nav-item .badge {
    position: absolute; top: 2px; right: 50%; transform: translateX(18px);
    background: #E63946; color: #fff; font-size: 10px;
    min-width: 16px; height: 16px; border-radius: 8px;
    display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

/* ========== 详情页 ========== */
/* 店铺信息区 */
.detail-shop-info { background: #fff; padding: 14px; display: flex; align-items: center; }
.detail-shop-info .shop-logo { width: 54px; height: 54px; border-radius: 8px; overflow: hidden; margin-right: 12px; flex-shrink: 0; }
.detail-shop-info .shop-logo img { width: 100%; height: 100%; object-fit: cover; }
.detail-shop-info .shop-meta { flex: 1; }
.detail-shop-info .shop-name { font-size: 16px; font-weight: bold; margin-bottom: 5px; display: flex; align-items: center; gap: 8px; }
.detail-shop-info .shop-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; }
.detail-shop-info .shop-badge.badge-normal { background: #E63946; color: #fff; }
.detail-shop-info .shop-badge.badge-enterprise { background: #2EC4B6; color: #fff; }
.detail-shop-info .shop-cert { font-size: 12px; color: #52c41a; display: flex; align-items: center; gap: 4px; }

/* 商品详情内容区 */
.detail-content { background: #fff; margin-top: 8px; padding: 14px; }
.detail-content .goods-name { font-size: 16px; font-weight: bold; line-height: 1.5; margin-bottom: 4px; }
.detail-content .goods-code { font-size: 12px; color: #999; margin-bottom: 10px; }
.detail-content .goods-desc { font-size: 14px; color: #555; line-height: 1.8; margin-bottom: 14px; }
.detail-content .goods-images { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; -webkit-overflow-scrolling: touch; }
.detail-content .goods-images::-webkit-scrollbar { display: none; }
.detail-content .goods-images img { width: 120px; height: 120px; object-fit: cover; border-radius: 6px; flex-shrink: 0; cursor: pointer; }
.detail-content .goods-meta { display: flex; justify-content: space-between; color: #999; font-size: 12px; margin-top: 10px; padding-top: 10px; border-top: 1px solid #f0f0f0; }

/* 竞拍状态区 */
.auction-status { margin: 8px 12px; background: #fff; border-radius: 10px; overflow: hidden; }
.auction-status .status-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: #FFF5F5; }
.auction-status .status-bar .status-label { display: flex; align-items: center; gap: 6px; color: #C0392B; font-weight: bold; font-size: 14px; }
.auction-status .status-bar .countdown { color: #C0392B; font-size: 13px; }
.auction-status .status-bar .countdown .time { font-weight: bold; font-size: 17px; }
.auction-status .bid-btn {
    display: block; margin: 14px 16px 18px; padding: 14px;
    background: #C0392B; color: #fff; text-align: center; border-radius: 8px;
    font-size: 18px; font-weight: bold; cursor: pointer; border: none;
    width: calc(100% - 32px); transition: background 0.2s;
}
.auction-status .bid-btn:active { background: #A31515; transform: scale(0.98); }
.auction-status .bid-btn.disabled { background: #ccc; cursor: not-allowed; }

/* 价格信息表 */
.price-info { margin: 0 12px 8px; background: #fff; border-radius: 10px; padding: 14px 16px; }
.price-info .price-row { display: flex; justify-content: space-between; padding: 7px 0; font-size: 13px; }
.price-info .price-row .label { color: #999; }
.price-info .price-row .value { color: #333; font-weight: 500; }
.price-info .price-row .value.red { color: #C0392B; font-weight: bold; }

/* 详情页底部操作栏 */
.detail-bottom-bar {
    position: fixed; bottom: 0; left: 0; right: 0; height: 58px;
    background: #fff; border-top: 1px solid #eee; display: flex; align-items: center;
    z-index: 100; padding: 0 12px; max-width: 750px; margin: 0 auto;
}
.detail-bottom-bar .bar-left { display: flex; gap: 18px; }
.detail-bottom-bar .bar-left .bar-item { display: flex; flex-direction: column; align-items: center; font-size: 10px; color: #666; cursor: pointer; }
.detail-bottom-bar .bar-left .bar-item .bar-icon { font-size: 20px; margin-bottom: 2px; }
.detail-bottom-bar .bar-bid-btn {
    flex: 1; margin-left: 16px; padding: 12px;
    background: #C0392B; color: #fff; text-align: center; border-radius: 6px;
    font-size: 17px; font-weight: bold; cursor: pointer; border: none;
    transition: background 0.2s;
}
.detail-bottom-bar .bar-bid-btn:active { background: #A31515; }

/* ========== 分类页 ========== */
.category-page { display: flex; height: calc(100vh - 106px); }
.category-sidebar { width: 90px; background: #f8f8f8; overflow-y: auto; flex-shrink: 0; -webkit-overflow-scrolling: touch; }
.category-sidebar .cat-item {
    padding: 14px 8px; text-align: center; font-size: 13px;
    color: #666; border-left: 3px solid transparent; cursor: pointer; transition: all 0.2s;
}
.category-sidebar .cat-item.active { background: #fff; color: #C0392B; border-left-color: #C0392B; font-weight: bold; }
.category-content { flex: 1; overflow-y: auto; padding: 8px; -webkit-overflow-scrolling: touch; }

/* ========== 发布页 ========== */
.publish-form { padding: 12px; }
.form-group { background: #fff; border-radius: 10px; margin-bottom: 10px; padding: 14px; }
.form-group .form-label { font-size: 14px; font-weight: bold; color: #333; margin-bottom: 10px; }
.form-group .form-input { width: 100%; padding: 10px 12px; border: 1px solid #eee; border-radius: 8px; font-size: 14px; transition: border-color 0.2s; }
.form-group .form-input:focus { border-color: #C0392B; }
.form-group .form-textarea { width: 100%; padding: 10px 12px; border: 1px solid #eee; border-radius: 8px; font-size: 14px; min-height: 100px; resize: vertical; }
.form-group .form-textarea:focus { border-color: #C0392B; }
.form-group .form-select { width: 100%; padding: 10px 12px; border: 1px solid #eee; border-radius: 8px; font-size: 14px; background: #fff; }
.form-group .image-upload { display: flex; flex-wrap: wrap; gap: 8px; }
.form-group .image-upload .upload-item { width: 80px; height: 80px; border-radius: 8px; overflow: hidden; position: relative; }
.form-group .image-upload .upload-item img { width: 100%; height: 100%; object-fit: cover; }
.form-group .image-upload .upload-add {
    width: 80px; height: 80px; border: 2px dashed #ddd; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 30px; color: #ccc; cursor: pointer; transition: border-color 0.2s;
}
.form-group .image-upload .upload-add:active { border-color: #C0392B; }
.form-row { display: flex; gap: 10px; }
.form-row .form-group { flex: 1; }
.type-selector { display: flex; gap: 10px; }
.type-selector .type-btn {
    flex: 1; padding: 12px; text-align: center; border: 2px solid #eee;
    border-radius: 8px; font-size: 14px; cursor: pointer; transition: all 0.2s; font-weight: 500;
}
.type-selector .type-btn.active { border-color: #C0392B; color: #C0392B; background: #FFF5F5; }
.submit-btn {
    width: 100%; padding: 14px; background: #C0392B; color: #fff; border: none;
    border-radius: 8px; font-size: 16px; font-weight: bold; cursor: pointer; margin-top: 10px;
    transition: background 0.2s;
}
.submit-btn:active { background: #A31515; }

/* ========== 消息页 ========== */
.message-tabs {
    display: flex; background: #fff; padding: 0 12px; border-bottom: 1px solid #eee;
    position: sticky; top: 50px; z-index: 10;
}
.message-tabs .tab {
    flex: 1; text-align: center; padding: 14px 0; font-size: 14px;
    color: #666; position: relative; cursor: pointer; transition: color 0.2s;
}
.message-tabs .tab.active { color: #C0392B; font-weight: bold; }
.message-tabs .tab.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 24px; height: 3px; background: #C0392B; border-radius: 1.5px; }
.message-list { padding: 8px 12px; }
.message-item { background: #fff; border-radius: 10px; padding: 14px; margin-bottom: 8px; display: flex; gap: 12px; }
.message-item .msg-icon { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.message-item .msg-icon.system { background: #FFF5F5; color: #C0392B; }
.message-item .msg-icon.bid { background: #FFF8E1; color: #D4A017; }
.message-item .msg-icon.order { background: #E8F5E9; color: #52c41a; }
.message-item .msg-body { flex: 1; }
.message-item .msg-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.message-item .msg-content { font-size: 12px; color: #999; line-height: 1.6; }
.message-item .msg-time { font-size: 11px; color: #ccc; margin-top: 4px; }
.message-item.unread { border-left: 3px solid #C0392B; }

/* ========== 我的页面 ========== */
.user-header { background: linear-gradient(135deg, #C0392B, #E74C3C); padding: 35px 20px 24px; color: #fff; }
.user-header .user-info { display: flex; align-items: center; gap: 14px; }
.user-header .user-avatar { width: 64px; height: 64px; border-radius: 50%; border: 3px solid rgba(255,255,255,0.4); overflow: hidden; }
.user-header .user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-header .user-name { font-size: 19px; font-weight: bold; }
.user-header .user-id { font-size: 12px; opacity: 0.8; margin-top: 4px; }
.user-header .login-btn { display: inline-block; padding: 10px 28px; background: #fff; color: #C0392B; border-radius: 22px; font-size: 15px; font-weight: bold; }

.user-menu { margin: 10px 12px; background: #fff; border-radius: 10px; overflow: hidden; }
.user-menu .menu-title { font-size: 15px; font-weight: bold; padding: 14px 14px 8px; color: #333; }
.user-menu .menu-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px 0 12px; }
.user-menu .menu-item { display: flex; flex-direction: column; align-items: center; padding: 10px; cursor: pointer; transition: transform 0.15s; }
.user-menu .menu-item:active { transform: scale(0.92); }
.user-menu .menu-item .menu-icon { font-size: 26px; margin-bottom: 6px; }
.user-menu .menu-item .menu-text { font-size: 12px; color: #555; }
.user-menu .menu-list-item {
    display: flex; align-items: center; padding: 15px 14px;
    border-top: 1px solid #f5f5f5; cursor: pointer; transition: background 0.2s;
}
.user-menu .menu-list-item:active { background: #fafafa; }
.user-menu .menu-list-item .item-icon { font-size: 20px; margin-right: 12px; }
.user-menu .menu-list-item .item-text { flex: 1; font-size: 14px; color: #333; }
.user-menu .menu-list-item .item-arrow { color: #ccc; font-size: 16px; }

/* ========== 店铺页 ========== */
.shop-header { background: #fff; padding: 18px; display: flex; align-items: center; gap: 14px; }
.shop-header .shop-logo { width: 64px; height: 64px; border-radius: 10px; overflow: hidden; }
.shop-header .shop-logo img { width: 100%; height: 100%; object-fit: cover; }
.shop-header .shop-info { flex: 1; }
.shop-header .shop-name { font-size: 17px; font-weight: bold; margin-bottom: 4px; }
.shop-header .shop-desc { font-size: 12px; color: #999; line-height: 1.5; }
.shop-header .shop-stats { display: flex; gap: 16px; margin-top: 8px; }
.shop-header .shop-stats .stat { font-size: 12px; color: #666; }
.shop-header .shop-stats .stat .num { font-weight: bold; color: #C0392B; }

.shop-tabs { display: flex; background: #fff; border-bottom: 1px solid #eee; padding: 0 12px; margin-top: 8px; }
.shop-tabs .tab { flex: 1; text-align: center; padding: 12px 0; font-size: 14px; color: #666; position: relative; cursor: pointer; }
.shop-tabs .tab.active { color: #C0392B; font-weight: bold; }
.shop-tabs .tab.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 24px; height: 3px; background: #C0392B; border-radius: 1.5px; }

/* ========== 搜索页 ========== */
.search-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 200; display: none; }
.search-overlay.show { display: block; }
.search-input-bar { display: flex; align-items: center; padding: 8px 12px; background: #f5f5f5; }
.search-input-bar input { flex: 1; height: 38px; border-radius: 19px; padding: 0 16px; background: #fff; border: 1px solid #eee; font-size: 14px; }
.search-input-bar .search-cancel { padding: 0 12px; font-size: 14px; color: #666; cursor: pointer; }

/* ========== 加载 / 空状态 ========== */
.load-more { text-align: center; padding: 20px; color: #999; font-size: 13px; }
.empty-state { text-align: center; padding: 60px 20px; color: #ccc; }
.empty-state .empty-icon { font-size: 52px; margin-bottom: 14px; }
.empty-state .empty-text { font-size: 14px; }

/* ========== 出价弹窗 ========== */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 300; display: none; align-items: flex-end; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal-content { background: #fff; border-radius: 16px 16px 0 0; width: 100%; max-width: 750px; max-height: 70vh; overflow-y: auto; padding: 24px 20px; }
.modal-content .modal-title { font-size: 17px; font-weight: bold; text-align: center; margin-bottom: 18px; }
.bid-input { width: 100%; padding: 14px; border: 2px solid #C0392B; border-radius: 10px; font-size: 20px; text-align: center; color: #C0392B; font-weight: bold; margin-bottom: 12px; }
.bid-info { font-size: 12px; color: #999; text-align: center; margin-bottom: 16px; }
.bid-confirm-btn { width: 100%; padding: 14px; background: #C0392B; color: #fff; border: none; border-radius: 10px; font-size: 17px; font-weight: bold; cursor: pointer; }
.bid-confirm-btn:active { background: #A31515; }

/* ========== 出价记录 ========== */
.bid-history { margin: 8px 12px; background: #fff; border-radius: 10px; padding: 14px; }
.bid-history .bid-title { font-size: 15px; font-weight: bold; margin-bottom: 12px; }
.bid-history .bid-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid #f5f5f5; font-size: 13px; }
.bid-history .bid-item:last-child { border-bottom: none; }
.bid-history .bid-user { color: #666; }
.bid-history .bid-price { color: #C0392B; font-weight: bold; }
.bid-history .bid-time { color: #999; font-size: 11px; }

/* ========== 通用工具类 ========== */
.text-red { color: #C0392B !important; }
.text-bold { font-weight: bold !important; }
.mt-8 { margin-top: 8px; }
.mb-8 { margin-bottom: 8px; }
.hidden { display: none !important; }

/* ========== 分享按钮 ========== */
.share-float { position: fixed; right: 12px; bottom: 70px; z-index: 50; }
.share-float .share-btn {
    width: 50px; height: 50px; border-radius: 25px; background: #C0392B;
    color: #fff; font-size: 12px; display: flex; flex-direction: column;
    align-items: center; justify-content: center; box-shadow: 0 2px 10px rgba(192,57,43,0.4);
    cursor: pointer;
}
.share-float .share-btn .share-icon { font-size: 18px; }