/* 活动banner */
.promotion-banner {
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('../images/promotion-bg.png');
    background-size: cover;
    background-position: center;
    padding: 80px 0;
    color: white;
    text-align: center;
}

.banner-title {
    font-size: 3rem;
    font-family: "STXingkai", "华文行楷", serif;
    margin-bottom: 15px;
}

.banner-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 30px;
}

/* 倒计时 */
.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.countdown-item {
    background: rgba(255,255,255,0.1);
    padding: 15px 20px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
}

.countdown-item .number {
    font-size: 2rem;
    font-weight: bold;
    display: block;
}

.countdown-item .unit {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 优惠券区域 */
.coupon-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.coupon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.coupon-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: relative;
    transition: all 0.3s ease;
}

.coupon-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.coupon-amount {
    background: var(--primary-color);
    color: white;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.coupon-amount .currency {
    font-size: 1.2rem;
}

.coupon-amount .number {
    font-size: 2rem;
    font-weight: bold;
}

.coupon-info {
    flex: 1;
}

.coupon-info h3 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}

.validity {
    font-size: 0.9rem;
    color: #666;
    margin: 5px 0 0 0;
}

.btn-get {
    position: absolute;
    right: 20px;
    padding: 8px 20px;
}

/* 特惠产品 */
.deals-section {
    padding: 60px 0;
}

.deals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.deal-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.deal-image {
    position: relative;
}

.deal-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.deal-tag {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.deal-content {
    padding: 20px;
}

.deal-content h3 {
    margin: 0 0 15px 0;
    font-size: 1.3rem;
}

.deal-features {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    color: #666;
    font-size: 0.9rem;
}

.deal-features i {
    color: var(--primary-color);
    margin-right: 5px;
}

.deal-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
}

.current-price {
    color: var(--primary-color);
}

.current-price .currency {
    font-size: 1.2rem;
}

.current-price .number {
    font-size: 2rem;
    font-weight: bold;
}

.original-price {
    color: #999;
    text-decoration: line-through;
}

/* 活动规则 */
.rules-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.rules-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.rule-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.rule-item i {
    font-size: 2rem;
    color: var(--primary-color);
}

.rule-text h4 {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
}

.rule-text p {
    margin: 0;
    color: #666;
}