/* ============================================================
   和技云官网 - 响应式样式（深色科技风）
   ============================================================ */

/* 断点: 1400px */
@media (max-width: 1400px) {
    :root {
        --container-width: 100%;
    }
}

/* 断点: 1024px (平板横屏) */
@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .geo-intro {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .process-flow {
        flex-wrap: wrap;
        gap: 24px;
    }

    .process-flow::before {
        display: none;
    }

    .process-step {
        flex: 0 0 calc(33.33% - 16px);
    }

    .grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .list-layout,
    .content-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        top: auto;
    }

    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-info-grid {
        grid-template-columns: 1fr;
    }

    .wechat-float {
        right: 15px;
        bottom: 80px;
    }

    .wechat-btn {
        width: 50px;
        height: 50px;
    }
}

/* 断点: 768px (平板竖屏 / 大手机) */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding-top: 100px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content .hero-subtitle {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
        margin-top: 48px;
    }

    .hero-stat .stat-number {
        font-size: 2.25rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5 {
        grid-template-columns: 1fr;
    }

    .feature-card {
        flex-direction: column;
        padding: 32px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
    }

    .process-step {
        flex: 0 0 calc(50% - 12px);
    }

    .cta-card {
        padding: 48px 24px;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .footer-badges {
        justify-content: center;
    }

    .list-item {
        flex-direction: column;
    }

    .list-item-thumb {
        width: 100%;
        height: 200px;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .honors-grid {
        grid-template-columns: 1fr;
    }

    .founder-card {
        flex-direction: column;
        text-align: center;
    }

    .about-info-grid {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .wechat-float {
        right: 10px;
        bottom: 20px;
    }

    .wechat-btn {
        width: 50px;
        height: 50px;
    }

    .wechat-modal-content {
        padding: 24px 16px;
        margin: 16px;
    }

    .wechat-modal-title {
        font-size: 1.25rem;
    }

    .wechat-modal-qr {
        width: 140px;
        height: 140px;
    }

    .wechat-modal-qr img {
        width: 120px;
        height: 120px;
    }
}

/* 断点: 480px (手机竖屏) */
@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content .hero-subtitle {
        font-size: 0.9375rem;
    }

    .hero-badge {
        font-size: 0.75rem;
    }

    .section-header h2 {
        font-size: 1.375rem;
    }

    .section-header .section-desc {
        font-size: 0.9375rem;
    }

    .btn {
        padding: 14px 24px;
        font-size: 0.875rem;
    }

    .btn-lg {
        padding: 16px 28px;
    }

    .card {
        padding: 28px 20px;
    }

    .process-step {
        flex: 0 0 100%;
    }

    .process-step .step-number {
        width: 72px;
        height: 72px;
        font-size: 1.25rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .article-nav {
        flex-direction: column;
        gap: 12px;
    }

    .article-nav a {
        max-width: 100%;
    }

    .article-header h1 {
        font-size: 1.5rem;
    }

    .error-code {
        font-size: 5rem;
    }

    .contact-form-block {
        padding: 24px 20px;
    }
}
@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap !important;
        justify-content: center;
        gap: 6px;
    }
    .pagination .page-status {
        width: 100%;
        text-align: center;
        font-size: 0.75rem;
        color: #999;
    }
    .pagination a,
    .pagination span {
        min-width: 32px;
        height: 32px;
        padding: 0 6px;
        font-size: 0.75rem;
    }
}