* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    color: #333;
}

header {
    background-color: #fff;
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    font-size: 2.5rem;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* 搜索框样式 */
.search-container {
    text-align: center;
    margin: 20px 0;
    padding: 0 1rem;
}

.search-input {
    width: 100%;
    max-width: 500px;
    padding: 12px 20px;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: 25px;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: #4CAF50;
}

/* 加载指示器样式 */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #4CAF50;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误消息样式 */
.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    margin: 1rem 0;
    border: 1px solid #ffcdd2;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 1rem;
}

.card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
}

.card-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.card-content p {
    margin-bottom: 0.5rem;
    color: #666;
}

footer {
    text-align: center;
    padding: 2rem 0;
    background: #fff;
    margin-top: 2rem;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}

.sort-container {
    text-align: center;
    margin: 20px 0;
}

.sort-button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
    margin: 0 5px;
}

.sort-button:hover {
    background-color: #45a049;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }

    .card-image {
        height: 250px;
    }

    h1 {
        font-size: 2rem;
    }

    .search-input {
        max-width: 100%;
    }

    .sort-button {
        margin: 5px;
        width: calc(100% - 10px);
    }
}

@media (max-width: 480px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .card-image {
        height: 200px;
    }

    h1 {
        font-size: 1.8rem;
    }
}