/* 移动端样式 */
@media (max-width: 768px) {
    /* 导航菜单移动端样式 */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--white-color);
        flex-direction: column;
        padding: 80px 30px 30px;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        gap: 0;
    }

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

    .nav-menu li {
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu a {
        display: block;
        font-size: 1.1rem;
    }

    /* 汉堡菜单动画 */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    /* Hero区域移动端优化 */
    .hero-section {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .cta-button {
        padding: 10px 25px;
        font-size: 0.9rem;
    }

    /* Section间距优化 */
    section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    /* 项目网格移动端 */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* 表单移动端优化 */
    .form-group input,
    .form-group textarea {
        padding: 10px;
        font-size: 16px; /* 防止iOS自动放大 */
    }

    .submit-button {
        padding: 12px 30px;
    }

    /* 容器移动端间距 */
    .container {
        padding: 0 15px;
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .nav-menu {
        width: 85%;
    }

    .logo a {
        font-size: 1.25rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .project-info h3 {
        font-size: 1.25rem;
    }

    .footer .container {
        font-size: 0.9rem;
    }

    .social-links {
        gap: 1rem;
    }
}

/* 横屏移动设备 */
@media (max-width: 900px) and (orientation: landscape) {
    .hero-section {
        padding: 40px 0;
    }

    section {
        padding: 40px 0;
    }

    .nav-menu {
        padding-top: 60px;
    }
}