/* 响应式样式 */

/* 平板设备 */
@media (max-width: 992px) {
    .nav-menu, .nav-actions {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .slide-content h1 {
        font-size: 36px;
    }

    .slide-content p {
        font-size: 18px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}

/* 手机设备 */
@media (max-width: 768px) {
    .hero-slider {
        height: auto; /* 改为自动高度 */
        aspect-ratio: 1920 / 520; /* 设置宽高比为3:1，比较扁的比例 */
        min-height: 180px; /* 最小高度 */
        max-height: 220px; /* 最大高度 */
    }

    .slide-image {
        background-size: contain; /* 改为contain，完整显示图片 */
        background-position: center center;
        background-color: white; /* 白色背景 */
        /* 由于contain会有留白，添加一个柔和的渐变背景 */
        background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    }

    /* 添加一个容器来包裹图片，确保在白色背景下美观 */
    .slide-image::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
        z-index: 1;
    }

    .slide-content {
        padding-top: 60px;
        text-align: center;
    }

    .slide-content h1 {
        font-size: 28px;
    }

    .slide-content p {
        font-size: 16px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
        background-color: rgba(0, 102, 204, 0.7); /* 蓝色背景，在白色底上明显 */
        color: white;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .carousel-btn:hover {
        background-color: rgba(0, 102, 204, 0.9);
    }

    .prev-btn {
        left: 15px;
    }

    .next-btn {
        right: 15px;
    }

    /* 指示器 */
    .indicator {
        background-color: rgba(0, 102, 204, 0.6); /* 蓝色 */
        border: 1px solid white; /* 白色边框增加对比度 */
    }

    .indicator.active {
        background-color: #0066cc; /* 主题蓝色 */
    }

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

    .footer {
        padding: 50px 0 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-bottom .footer-links {
        justify-content: center;
    }

    .logo img {
        height: 35px;
    }

    .footer-logo img {
        height: 35px;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .hero-slider {
        aspect-ratio: 1920 / 520; /* 保持原图比例 */
        min-height: 110px;
        max-height: 220px;
    }

    .carousel-btn {
        width: 35px;
        height: 35px;
        font-size: 14px;
        background-color: rgba(0, 102, 204, 0.8);
    }

    .indicator {
        width: 8px;
        height: 8px;
    }

    .slide-content {
        padding-top: 40px;
    }

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

    .btn-large {
        padding: 12px 25px;
        font-size: 16px;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .product-content {
        padding: 20px;
    }

    .logo img {
        height: 30px;
    }

    .footer-logo img {
        height: 30px;
    }

    /* 可选：在小屏幕上只显示logo图片，隐藏文字 */
    .logo span,
    .footer-logo span {
        font-size: 0; /* 隐藏文字 */
        width: 0;
        overflow: hidden;
    }

    .logo img,
    .footer-logo img {
        margin-right: 0;
    }
}

/* ENERGY SOLUTIONS 响应式调整 */
@media (max-width: 1200px) {
    .solutions-grid {
        gap: 20px;
    }

    .solution-item {
        height: 550px;
    }

    .solution-content {
        padding: 30px;
    }

    .solution-content h3 {
        font-size: 24px;
    }

    .solution-text p {
        font-size: 15px;
    }
}

@media (max-width: 992px) {
    .energy-solutions {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .section-header p {
        font-size: 16px;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
        gap: 30px;
    }

    .solution-item {
        height: 500px;
    }

    .solution-content {
        padding: 40px;
    }

    .solution-highlights {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .solution-item {
        height: 450px;
    }

    .solution-content {
        padding: 30px;
    }

    .solution-content h3 {
        font-size: 22px;
        margin-bottom: 15px;
    }

    .solution-text p {
        font-size: 14px;
    }

    .highlight {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .energy-solutions {
        padding: 40px 0;
    }

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

    .section-header p {
        font-size: 15px;
        padding: 0 20px;
    }

    .solution-item {
        height: 400px;
    }

    .solution-content {
        padding: 25px;
    }

    .solution-content h3 {
        font-size: 20px;
    }

    .solution-text p {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .solution-highlights {
        gap: 8px;
    }

    .highlight {
        padding: 5px 10px;
        font-size: 11px;
    }
}

/* 超小屏幕手机 */
@media (max-width: 360px) {
    .hero-slider {
        aspect-ratio: 1920 / 520; /* 保持原图比例 */
        min-height: 100px;
        max-height: 180px;
    }

    .carousel-btn {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }

    .indicator {
        width: 6px;
        height: 6px;
    }
}

/* GLOBAL PLAYER 区域响应式调整 */
@media (max-width: 992px) {
    .global-player {
        padding: 80px 0;
    }

    .global-header h2 {
        font-size: 36px;
    }

    .stats-container {
        gap: 30px;
    }

    .stat-item {
        min-width: 280px;
        padding: 25px 30px;
    }
}

@media (max-width: 768px) {
    .global-player {
        padding: 60px 0;
    }

    .global-header h2 {
        font-size: 28px;
    }

    .global-header p {
        font-size: 16px;
        margin-bottom: 40px;
        padding: 0 20px;
    }

    .stats-container {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .stat-item {
        width: 100%;
        max-width: 400px;
        min-width: auto;
    }

    .stat-number {
        font-size: 36px;
    }

    .bg-image {
        background-attachment: scroll; /* 移动端取消视差效果 */
    }
}

@media (max-width: 480px) {
    .global-header h2 {
        font-size: 24px;
    }

    .global-header p {
        font-size: 15px;
    }

    .stat-item {
        padding: 20px;
        gap: 20px;
    }

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

    .stat-icon i {
        font-size: 24px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-text {
        font-size: 14px;
    }
}

/* MANUFACTURING CAPABILITIES 和 GLOBAL PRESENCE 响应式调整 */
@media (max-width: 992px) {
    .section-content {
        gap: 40px;
    }

    .gradient-title {
        font-size: 32px;
    }

    .feature-image img {
        height: 400px;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .stat-value {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .section-content,
    .section-content.reverse {
        flex-direction: column;
        gap: 30px;
    }

    .manufacturing-section,
    .global-presence-section {
        padding: 60px 0;
    }

    .gradient-title {
        font-size: 28px;
    }

    .content-text p {
        font-size: 16px;
    }

    .feature-image img {
        height: 350px;
    }

    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .stat-box {
        padding: 15px 10px;
    }

    .stat-value {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .gradient-title {
        font-size: 24px;
    }

    .feature-image img {
        height: 280px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-box {
        padding: 20px 15px;
    }

    .stat-value {
        font-size: 26px;
    }

    .content-wrapper {
        padding: 20px 15px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}