/* 联系表单响应式样式 */
@media screen and (max-width: 768px) {
    /* 导航菜单按钮样式 */
    .nav-toggle {
        display: block !important;
        width: 30px;
        height: 20px;
        position: relative;
        cursor: pointer;
        z-index: 1000;
    }

    .nav-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background-color: var(--primary-color);
        position: absolute;
        left: 0;
        transition: all 0.3s ease;
    }

    .nav-toggle span:nth-child(1) {
        top: 0;
    }

    .nav-toggle span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .nav-toggle span:nth-child(3) {
        bottom: 0;
    }

    /* 导航菜单展开状态 */
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg);
        top: 50%;
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg);
        bottom: 40%;
    }

    /* 导航链接样式 */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--secondary-color);
        padding: 80px 2rem 2rem;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 0.5rem 0;
    }

    /* 联系表单样式 */
    .contact-content {
        grid-template-columns: 1fr !important;
        gap: 2rem;
        padding: 1rem;
    }

    .contact-info,
    .contact-form {
        padding: 1.5rem;
    }

    .contact-details {
        margin: 1.5rem 0;
    }

    .contact-item {
        margin-bottom: 1rem;
    }

    .business-hours {
        margin-top: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 16px;
    }

    .submit-btn {
        padding: 0.8rem;
    }
}

@media screen and (max-width: 480px) {
    .contact-content {
        padding: 0.5rem;
    }

    .contact-info,
    .contact-form {
        padding: 1rem;
    }

    .contact-info h2 {
        font-size: 1.8rem;
    }

    .contact-details {
        margin: 1rem 0;
    }

    .contact-item {
        font-size: 0.9rem;
    }

    .business-hours h3 {
        font-size: 1.2rem;
    }

    .business-hours p {
        font-size: 0.9rem;
    }
}