body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}
.container {
    width: 90%;
    margin: 20px auto;
}
.tabs {
    display: flex;
    justify-content: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}
.tab {
    padding: 10px 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #fff;
    cursor: pointer;
    font-weight: 500;
}
.tab.active {
    background-color: #f0f0f0;
}
.search-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 20px;
}
.search-bar input {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 200px;
}
.promo-cards {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.promo-card {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    width: 30%;
    margin-bottom: 20px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}
.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}
.promo-card img {
    width: 100%;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
.promo-card-content {
    padding: 20px;
}
.promo-card-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px;
}
.promo-card-content .badge {
    display: inline-block;
    padding: 5px 10px;
    background-color: #ff7f00;
    color: #fff;
    border-radius: 5px;
    font-size: 12px;
    margin-bottom: 10px;
}
.promo-card-content .promo-period {
    display: flex;
    align-items: center;
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
}
.promo-card-content .promo-period i {
    margin-right: 5px;
}
.promo-card-content .promo-button {
    display: block;
    text-align: center;
    padding: 10px;
    background-color: #61bce6;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.2s;
}
.promo-card-content .promo-button:hover {
    background-color: #4aa3cc;
}
@media (max-width: 768px) {
    .promo-card {
        width: 47%;
        margin-bottom: 15px;
    }
}
@media (max-width: 480px) {
    .promo-card {
        width: 47%;
    }
    .promo-cards {
        justify-content: space-between;
    }
}