/* 响应式设计样式 */

/* 大屏幕 (1200px 及以上) */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
    
    .hero-content h1 {
        font-size: 4rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .process-steps::before {
        display: block;
    }
}

/* 中等屏幕 (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .container {
        max-width: 960px;
    }
    
    .hero .container {
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3.2rem;
    }
}

/* 小屏幕 (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .container {
        max-width: 720px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
}

/* 移动设备 (767px 及以下) */
@media (max-width: 767px) {
    .container {
        padding: 0 15px;
    }
    
    /* 头部导航 */
    .header .container {
        padding: 0.8rem 15px;
    }
    
    /* 主横幅 */
    .hero {
        padding: 100px 15px 60px;
        min-height: 80vh;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
    
    /* 服务优势 */
    .advantages {
        padding: 50px 0;
    }
    
    .advantages h2 {
        font-size: 1.8rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .advantage-item {
        padding: 2rem 1.5rem;
    }
    
    .advantage-item i {
        font-size: 2.5rem;
    }
    
    /* 服务流程 */
    .process {
        padding: 50px 0;
    }
    
    .process h2 {
        font-size: 1.8rem;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    /* 联系预览 */
    .contact-preview {
        padding: 50px 0;
    }
    
    .contact-preview .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info h2 {
        font-size: 1.8rem;
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .contact-item i {
        font-size: 1.5rem;
    }
}

/* 超小屏幕 (480px 及以下) */
@media (max-width: 480px) {
    /* 基础布局 */
    .container {
        padding: 0 10px;
    }
    
    /* 标题调整 */
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
    
    /* 按钮调整 */
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    /* 主横幅 */
    .hero {
        padding: 80px 10px 40px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 0.9rem;
    }
    
    .hero-image i {
        font-size: 4rem;
    }
    
    /* 卡片调整 */
    .card {
        padding: 1.5rem 1rem;
    }
    
    .advantage-item {
        padding: 1.5rem 1rem;
    }
    
    .advantage-item i {
        font-size: 2rem;
    }
    
    .advantage-item h3 {
        font-size: 1.1rem;
    }
    
    /* 服务卡片 */
    .service-card {
        padding: 1.5rem;
    }
    
    /* 表单调整 */
    input, textarea, select {
        padding: 10px;
        font-size: 14px;
    }
    
    /* 页脚调整 */
    .footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        gap: 1.5rem;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
    }
}

/* 横屏移动设备 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 120px 20px 40px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        margin-top: 1.5rem;
    }
    
    .hero-image i {
        font-size: 4rem;
    }
}

/* 高分辨率屏幕适配 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-buttons .btn {
        border-width: 1px;
    }
    
    .step-number {
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .mobile-menu-toggle {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* 移除hover效果 */
    .card:hover {
        transform: none;
        box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    }
    
    .advantage-item:hover {
        transform: none;
        box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    }
    
    .btn:hover {
        transform: none;
        box-shadow: none;
    }
}

/* 打印样式 */
@media print {
    .header,
    .footer,
    .hero-buttons,
    .contact-cta {
        display: none !important;
    }
    
    .hero {
        background: none !important;
        color: black !important;
        padding: 20px 0;
    }
    
    .hero-content h1,
    .hero-content p {
        color: black !important;
    }
    
    .advantages,
    .process,
    .contact-preview {
        padding: 20px 0 !important;
    }
    
    .card,
    .advantage-item,
    .service-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* 优化hero区域的响应式设计 */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-image {
        flex: 0 0 200px;
        height: 200px;
    }
    
    .hero-image::after {
        width: 150px;
        height: 150px;
        background-size: 60px 90px, 45px 60px, 45px 75px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

/* 完善响应式设计 */
@media (max-width: 1200px) {
    .hero .container {
        gap: 2rem;
    }
    
    .hero-visual {
        flex: 0 0 300px;
        height: 300px;
    }
    
    .floating-tools {
        right: 15px;
    }
}

@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-highlights {
        justify-content: center;
    }
    
    .value-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .floating-tools {
        position: fixed;
        bottom: 20px;
        right: 20px;
        top: auto;
        transform: none;
        flex-direction: row;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 2rem;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-highlights {
        flex-direction: column;
        gap: 1rem;
    }
    
    .highlight-item {
        padding: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .trust-items {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .value-item.featured {
        transform: none;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .floating-tools {
        flex-direction: row;
        gap: 8px;
    }
    
    .float-item {
        width: 50px;
        height: 50px;
    }
    
    .float-item span {
        display: none;
    }
    
    .success-message,
    .error-message {
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-benefits {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .highlight-number {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .value-item {
        padding: 2rem 1.5rem;
    }
    
    .contact-form-section {
        padding: 1.5rem;
    }
    
    .btn-large {
        padding: 1.2rem 2rem;
        font-size: 1rem;
    }
}