/* ========================================
   响应式设计 - responsive.css
   所有媒体查询集中管理，方便调整各断点布局
   ======================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text {
        order: 1;
    }
    .hero-visual {
        order: 0;
    }
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-trust {
        margin-left: auto;
        margin-right: auto;
    }
    .trust-strip-inner {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .about-title {
        text-align: center;
    }
    .about-content {
        text-align: center;
    }
    .about-content .btn {
        margin: 0 auto;
    }
    .about-list li {
        text-align: left;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .cta-banner-inner {
        flex-direction: column;
        text-align: center;
        padding: 2.5rem 2rem;
    }
    .cta-banner-actions {
        justify-content: center;
        width: 100%;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cases-banner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .cases-banner-actions {
        justify-content: center;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .contact-info,
    .contact-telegram-panel {
        min-height: auto;
    }
    .contact-photo {
        flex: none;
        margin-top: 1.25rem;
        aspect-ratio: 16 / 10;
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .promo-xiumi-inner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }
    .promo-xiumi-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .promo-xiumi-features {
        justify-content: center;
    }
    .promo-xiumi-actions {
        justify-content: center;
    }
    .promo-xiumi-icon-wrap {
        justify-content: center;
    }
}
@media (max-width: 768px) {
    :root {
        --section-y: 2.5rem;
        --section-header-gap: 1.25rem;
    }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-2xl);
        transition: var(--transition);
    }
    .nav-menu.active {
        right: 0;
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .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-title {
        font-size: 2.5rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .trust-strip-inner {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: 1fr;
    }
    .contact-info .section-tag,
    .contact-info .section-title {
        text-align: center;
    }
    .contact-description {
        text-align: center;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .contact-telegram-panel {
        padding: 1.5rem 1.25rem 1.75rem;
    }
    .contact-telegram-card {
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        gap: 1rem;
        padding: 1.25rem 1rem 1rem;
        padding-top: 2rem;
    }
    .contact-telegram-card-action {
        grid-column: 1 / -1;
        justify-content: center;
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    .promo-xiumi-title {
        font-size: 1.5rem;
    }
    .promo-xiumi-inner {
        padding: 1.5rem 1.25rem;
    }
    .promo-xiumi-icon {
        width: 64px;
        height: 64px;
    }
    .promo-xiumi-icon i {
        font-size: 1.5rem;
    }
}
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .cta-banner-actions {
        flex-direction: column;
    }
    .cta-banner-actions .btn {
        width: 100%;
    }
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    .partners-logos {
        gap: 2rem;
    }
    .partner-logo {
        font-size: 2rem;
    }
    .promo-xiumi-features {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    .promo-xiumi-actions {
        flex-direction: column;
    }
    .promo-xiumi-actions .btn {
        width: 100%;
    }
}
/* partners 专属移动端优化 */
@media (max-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    .partner-card {
        padding: 0.875rem 1rem;
        gap: 0.625rem;
    }
    .partner-icon {
        width: 36px;
        height: 36px;
        font-size: 0.9375rem;
    }
    .partner-name {
        font-size: 0.8125rem;
    }
}
@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.625rem;
    }
    .partner-card {
        padding: 0.75rem 0.75rem;
    }
}