/**
 * 响应式样式
 * 武汉婚外情调查公司
 */

/* ==================== 笔记本电脑 (1024px - 1200px) ==================== */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==================== 平板设备 (768px - 1024px) ==================== */
@media (max-width: 1024px) {
    .nav-list {
        gap: 25px;
    }
    
    .banner {
        height: 400px;
    }
    
    .banner-content h1 {
        font-size: 2.5rem;
    }
    
    .about-intro {
        flex-direction: column;
        gap: 40px;
    }
    
    .about-image {
        flex: none;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .case-list-grid {
        grid-template-columns: 1fr;
    }
    
    .service-detail-content ul {
        grid-template-columns: 1fr;
    }
}

/* ==================== 小平板设备 (600px - 768px) ==================== */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 15px;
    }
    
    .header-inner {
        height: 60px;
    }
    
    .logo-text {
        display: none;
    }
    
    .header-phone {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-list li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-list a {
        display: block;
        padding: 15px 0;
    }
    
    .banner {
        height: 350px;
        margin-top: 60px;
    }
    
    .banner-content h1 {
        font-size: 1.8rem;
    }
    
    .banner-content p {
        font-size: 1rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        margin-bottom: 30px;
    }
    
    .section-title h2 {
        font-size: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-about,
    .footer-links,
    .footer-services,
    .footer-contact {
        text-align: center;
    }
    
    .footer h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links ul,
    .footer-services ul,
    .footer-contact ul {
        align-items: center;
    }
    
    .footer-contact li {
        justify-content: center;
    }
    
    .online-service {
        right: 15px;
        bottom: 60px;
    }
    
    .service-item {
        padding: 10px 15px;
    }
    
    .service-text {
        display: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .case-list-item {
        flex-direction: column;
    }
    
    .case-list-image {
        width: 100%;
        height: 150px;
    }
}

/* ==================== 手机设备 (最大 600px) ==================== */
@media (max-width: 600px) {
    .banner {
        height: 300px;
    }
    
    .banner-content h1 {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }
    
    .banner-content p {
        font-size: 0.9rem;
    }
    
    .banner-content .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .service-card {
        padding: 30px 20px;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .about-item {
        padding: 20px 15px;
    }
    
    .advantage-item {
        padding: 30px 15px;
    }
    
    .advantage-item .number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .team-avatar {
        height: 150px;
    }
    
    .detail-header h1 {
        font-size: 1.5rem;
    }
    
    .detail-content {
        font-size: 0.95rem;
    }
    
    .detail-content h2 {
        font-size: 1.2rem;
    }
    
    .service-detail-header {
        padding: 40px 20px;
    }
    
    .service-detail-header h1 {
        font-size: 1.8rem;
    }
    
    .contact-form {
        padding: 25px 20px;
    }
    
    .pagination a,
    .pagination span {
        min-width: 35px;
        height: 35px;
        padding: 0 10px;
        font-size: 0.85rem;
    }
    
    .footer-bottom {
        padding: 15px 0;
    }
    
    .footer-bottom p {
        font-size: 0.8rem;
    }
    
    .about-banner {
        padding: 40px 20px;
    }
    
    .about-banner h1 {
        font-size: 1.8rem;
    }
    
    .case-page-header {
        padding: 40px 20px;
    }
    
    .case-page-header h1 {
        font-size: 1.8rem;
    }
    
    .case-list-item {
        padding: 20px;
    }
    
    .case-list-content h3 {
        font-size: 1rem;
    }
}

/* ==================== 小屏幕手机 (最大 400px) ==================== */
@media (max-width: 400px) {
    .logo-icon {
        font-size: 1.5rem;
    }
    
    .banner {
        height: 250px;
    }
    
    .banner-dots {
        bottom: 15px;
    }
    
    .banner-dot {
        width: 10px;
        height: 10px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}