* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

header {
    text-align: center;
    margin: 30px 0;
}

.logo {
    max-width: 300px;
    height: auto;
    margin-bottom: 20px;
}

h1 {
    color: #003366;
    font-size: 2rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.restaurant-list {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.list-title {
    color: #003366;
    font-size: 1.5rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.restaurant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.restaurant-item {
    background: #f8fafd;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-size: 1.1rem;
    color: #333;
    border-left: 4px solid #003366;
    transition: transform 0.2s, box-shadow 0.2s;
}

.restaurant-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(0, 51, 102, 0.1);
}

.selection-area {
    text-align: center;
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.result-container {
    min-height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
    background: #f8fafd;
    border-radius: 10px;
    padding: 20px;
    border: 2px dashed #ddd;
    transition: all 0.3s ease;
}

.result-placeholder {
    color: #999;
    font-size: 1.2rem;
}

.selected-restaurant {
    font-size: 2rem;
    color: #003366;
    font-weight: bold;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.select-button {
    background: #003366;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.3rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 51, 102, 0.2);
}

.select-button:hover {
    background: #00509e;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 51, 102, 0.3);
}

.select-button:active {
    transform: translateY(1px);
}

footer {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    width: 100%;
}

@media (max-width: 600px) {
    .restaurant-grid {
        grid-template-columns: 1fr;
    }
    
    .selected-restaurant {
        font-size: 1.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}