/* ============================
   萌 - 响应式布局
   ============================ */

@media (max-width: 1024px) {
    .footer-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    #main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 16px;
        border-bottom: 2px solid var(--border);
        transform: translateY(-120%);
        transition: var(--transition);
        z-index: 999;
    }

    #main-nav.open {
        transform: translateY(0);
    }

    #mobile-menu-btn {
        display: flex;
    }

    .header-inner {
        padding: 0 16px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .hero-title {
        font-size: 32px !important;
    }

    .hero-subtitle {
        font-size: 16px !important;
    }
}

@media (max-width: 480px) {
    .nav-link {
        padding: 12px 16px;
        font-size: 16px;
    }

    .card {
        padding: 16px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}