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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav a {
    color: white;
    text-decoration: none;
    margin-left: 2rem;
    transition: opacity 0.3s;
}

.nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Cars Section */
.cars-section {
    padding: 3rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

/* Filter Bar */
.filter-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-select,
.search-input {
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    flex: 1;
    min-width: 150px;
}

.search-input {
    flex: 2;
}

/* Cars Grid */
.cars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.car-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

.car-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: #f0f0f0;
}

.car-info {
    padding: 1.5rem;
}

.car-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #333;
}

.car-details-info {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.car-price {
    font-size: 1.5rem;
    color: #e74c3c;
    font-weight: bold;
    margin: 1rem 0;
}

.car-features {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.feature-tag {
    background: #f0f0f0;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: #666;
}

.btn-appointment {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s;
    margin-top: 1rem;
}

.btn-appointment:hover {
    opacity: 0.9;
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem;
    font-size: 1.2rem;
    color: #666;
    display: none;
}

.loading.show {
    display: block;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 2rem;
    border-radius: 10px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #333;
}

/* Car Details */
.car-details {
    display: block;
    width: 100%;
}

.car-details-image {
    width: 100%;
    border-radius: 10px;
}

.car-details-info h2 {
    margin-bottom: 1rem;
    color: #333;
}

.detail-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.detail-label {
    font-weight: bold;
    color: #666;
    margin-bottom: 0.5rem;
}

.detail-value {
    color: #333;
    font-size: 1.1rem;
}

.price-large {
    font-size: 2rem;
    color: #e74c3c;
    font-weight: bold;
}

/* Appointment Form */
.appointment-form {
    max-width: 500px;
}

.appointment-form h2 {
    margin-bottom: 1.5rem;
    text-align: center;
    color: #333;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.btn-submit {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: opacity 0.3s;
    margin-top: 1rem;
}

.btn-submit:hover {
    opacity: 0.9;
}

/* Success Message */
.success-message {
    text-align: center;
    max-width: 400px;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #4caf50;
    color: white;
    font-size: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.success-message h2 {
    color: #333;
    margin-bottom: 1rem;
}

.success-message p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.btn-close-modal {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.3s;
}

.btn-close-modal:hover {
    opacity: 0.9;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.pagination button {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background: white;
    color: #333;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.pagination button:hover:not(:disabled) {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.pagination button.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    margin: 0 1rem;
    color: #666;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer .icp {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav a {
        margin: 0 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .cars-grid {
        grid-template-columns: 1fr;
    }

    .car-details {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-direction: column;
    }

    .filter-select,
    .search-input {
        width: 100%;
    }
}