* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", STHeiti, "Microsoft Yahei", Tahoma, Simsun, sans-serif;
}

body {
    background-color: #f5f5f5;
}

/* 顶部导航 */
.header {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: #fff;
}

.location {
    display: flex;
    align-items: center;
    font-size: 16px;
    margin-right: 10px;
}

.location i {
    font-size: 12px;
    margin-left: 3px;
}

.search-bar {
    flex: 1;
    display: flex;
    align-items: center;
    background: #f5f5f5;
    border-radius: 20px;
    padding: 8px 15px;
}

.search-bar i {
    color: #999;
    margin-right: 10px;
}

.search-bar input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 14px;
}

.search-btn {
    background: #ff4d4f;
    color: #fff;
    border: none;
    border-radius: 15px;
    padding: 5px 15px;
    font-size: 14px;
}

.more {
    margin-left: 10px;
    color: #333;
}

/* 搜索建议 */
.search-tags {
    padding: 10px 15px;
    background: #fff;
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
}

.search-tags span {
    display: inline-block;
    padding: 5px 10px;
    margin-right: 10px;
    background: #f5f5f5;
    border-radius: 15px;
    font-size: 12px;
    color: #666;
}

/* 功能模块 */
.features {
    display: flex;
    justify-content: space-around;
    padding: 20px 15px;
    background: #fff;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-item i {
    font-size: 24px;
    margin-bottom: 8px;
    color: #ff4d4f;
}

.feature-item span {
    font-size: 12px;
    color: #333;
}

/* 新人福利banner */
.new-user-benefits {
    margin: 10px 15px;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
}

.benefit-header {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    border-bottom: 1px solid #f5f5f5;
}

.benefit-header .title {
    font-size: 16px;
    font-weight: bold;
}

.countdown {
    margin-left: auto;
    font-size: 12px;
    color: #999;
}

.countdown .time {
    color: #ff4d4f;
}

.more-link {
    margin-left: 10px;
    color: #999;
    font-size: 12px;
}

.benefit-content {
    display: flex;
    padding: 15px;
}

.coupon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff4d4f, #ff7875);
    border-radius: 10px;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
}

.coupon .amount {
    font-size: 20px;
    font-weight: bold;
}

.coupon .desc {
    font-size: 12px;
    margin: 5px 0;
}

.use-btn {
    background: #fff;
    color: #ff4d4f;
    border: none;
    border-radius: 10px;
    padding: 3px 8px;
    font-size: 12px;
}

.products {
    flex: 1;
    display: flex;
    justify-content: space-between;
}

.product {
    width: 48%;
    background: #f5f5f5;
    border-radius: 10px;
    padding: 10px;
}

.product img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
}

.product-info {
    margin-top: 5px;
}

.product-info .brand {
    font-size: 12px;
    color: #666;
}

.product-info .name {
    font-size: 14px;
    margin: 3px 0;
}

.product-info .price {
    font-size: 12px;
    color: #ff4d4f;
}

/* 底部导航 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    background: #fff;
    border-top: 1px solid #f5f5f5;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #999;
}

.nav-item.active {
    color: #333;
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 3px;
}

.nav-item span {
    font-size: 12px;
}