/* index.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 30px;
}

/* 轮播图样式 */
.swiper-container {
    width: 100%;
    height: 375px;
    position: relative;
    overflow: hidden;
}
.swiper-wrapper {
    display: flex;
    transition: transform 0.3s;
}
.swiper-slide {
    flex: 0 0 100%;
    height: 375px;
}
.swiper-slide img {
    width:100%;
    height:100%;
    object-fit:contain;    /* cover → contain 可看到整幅图 */
    background:#fff;       /* 若比例不一致留白更自然 */
}
.swiper-pagination {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}
.swiper-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    transition: all 0.3s;
}
.swiper-dot.active {
    background: #ff5000;
    width: 16px;
    border-radius: 4px;
}


/* 商品信息区域 */
.group-left{
    margin-right:4px;
    color:#ff5000;
    font-weight:bold;
}
.product-info {
    background: #fff;
    padding: 15px;
    margin-bottom: 10px;
}

.price-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.current-price {
    color: #ff5000;
    font-size: 28px;
    font-weight: bold;
}

.current-price::before {
    content: "￥";
    font-size: 18px;
}

.original-price {
    color: #999;
    font-size: 16px;
    text-decoration: line-through;
    margin-left: 8px;
}

.original-price::before {
    content: "￥";
}

.title {
    font-size: 18px;
    font-weight: bold;
    line-height: 1.4;
    margin-bottom: 10px;
}

.promo-tag {
    display: inline-block;
    background: linear-gradient(90deg, #ff2c2c, #ff6b22);
    color: white;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 2px;
    margin-right: 5px;
}

.promo-info {
    color: #ff5000;
    font-size: 14px;
    margin: 8px 0;
    display: flex;
    align-items: center;
}

.promo-info i {
    margin-right: 5px;
}

/* 拼单区域 - 修改了高度 */
/* “仅剩 x 人成团” 前缀样式 */
.left-num{
    color: #666;
    margin-right:4px;
    font-weight:bold;
}

.group-buying {
    background: #fff;
    padding: 15px;
    margin-bottom: 10px;
    position: relative;
    overflow: hidden;
}

.section-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 12px;
    position: relative;
    padding-left: 10px;
}

.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 16px;
    background: #ff5000;
    border-radius: 2px;
}

.group-users {
    height: 120px; /* 修改为120px以容纳两条完整信息 */
    position: relative;
    overflow: hidden;
}

.user-list {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: transform 0.5s ease;
}

.user-item {
    display: flex;
    align-items: center;
    padding: 8px 0; /* 减小上下内边距 */
    border-bottom: 1px solid #f5f5f5;
}

.user-item:last-child {
    border-bottom: none;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    color: #999;
    font-size: 20px;
}

.user-info {
    flex: 1;
}

.user-name {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 4px;
}

.user-status {
    font-size: 13px;
    color: #666;
}

.countdown {
    display: inline-block;
    background: #ff5000;
    color: white;
    padding: 1px 4px;
    border-radius: 2px;
    margin-left: 5px;
}

.buy-btn {
    background: linear-gradient(90deg, #ff2c2c, #ff6b22);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 15px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
}

/* 底部操作栏 */
.action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    display: flex;
    height: 60px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.action-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #666;
}

.action-btn i {
    font-size: 20px;
    margin-bottom: 4px;
}

.purchase-btn {
    flex: 2;
    display: flex;
}

.btn-single {
    flex: 1;
    background: #ff9500;
    color: white;
    border: none;
    font-size: 16px;
    font-weight: bold;
}

.btn-group {
    flex: 1;
    background: #ff5000;
    color: white;
    border: none;
    font-size: 16px;
    font-weight: bold;
}

/* ===== 支付弹窗 ===== */
.pay-mask{
    position:fixed;inset:0;z-index:999;
    background:rgba(0,0,0,.45);
    display:none;align-items:center;justify-content:center;
}

/* ① 适当放宽弹窗，保证二维码和按钮都有留白 */
.pay-box{
    width:92%;                 /* → 手机端留 8% 边距 */
    max-width:420px;           /* → PC 也能放下 260px 二维码 */
    background:#fff;
    border-radius:10px;
    padding:28px 24px;
    text-align:center;
}

/* ② 用 .qr-code 选中 <img>，限制尺寸并居中 */
.qr-code{
    width:260px;               /* 你想要的显示大小 */
    max-width:100%;            /* 小屏自动缩小 */
    height:auto;
    display:block;
    margin:0 auto 32px;        /* 居中 + 与按钮留间距 */
    border-radius:12px;
    object-fit:contain;        /* 防止被拉伸／裁切 */
}

/* 其余按钮样式保持不变 */
.pay-btns{display:flex;gap:16px;justify-content:center;}
.btn-primary,.btn-secondary{
    flex:1;padding:12px 0;border:none;border-radius:10px;
    font-size:16px;font-weight:600;cursor:pointer;
}
.btn-primary{background:#12a400;color:#fff;}
.btn-secondary{background:#f0f0f0;}