/* ChainlessChain 移动端优化样式 - 不影响PC端 */

/* ==========================================
   移动端优化 - 768px及以下
   ========================================== */
@media (max-width: 768px) {

    /* 顶部联系栏优化 */
    .top-contact-bar {
        padding: 12px 0 !important;
        top: 60px !important; /* 导航栏高度调整 */
    }

    .contact-bar-content {
        flex-direction: column;
        gap: 16px !important;
        padding: 0 15px;
    }

    .contact-item {
        width: 100%;
        justify-content: center;
    }

    .contact-divider {
        display: none;
    }

    .contact-info .contact-value {
        font-size: 16px !important;
    }

    .contact-info .label {
        font-size: 11px !important;
    }

    /* Hero区域优化 */
    .hero {
        padding-top: 180px !important;
        padding-bottom: 60px !important;
        min-height: auto !important;
    }

    .hero-title {
        font-size: 28px !important;
        line-height: 1.3 !important;
        margin-bottom: 15px !important;
    }

    .hero-subtitle {
        font-size: 15px !important;
        line-height: 1.5 !important;
        padding: 0 20px !important;
    }

    /* 版本标签优化 */
    .version-tags {
        gap: 8px !important;
        flex-wrap: wrap !important;
        padding: 0 20px !important;
    }

    .version-tag {
        font-size: 11px !important;
        padding: 4px 10px !important;
    }

    /* 信任徽章优化 */
    .trust-badges {
        gap: 12px !important;
        flex-wrap: wrap !important;
        padding: 0 20px !important;
    }

    .trust-badge {
        font-size: 12px !important;
        padding: 6px 12px !important;
    }

    /* 按钮优化 */
    .btn-hero-primary,
    .btn-hero-outline {
        font-size: 15px !important;
        padding: 12px 24px !important;
        min-width: 140px !important;
    }

    .hero-cta {
        gap: 12px !important;
        flex-direction: column !important;
        padding: 0 20px !important;
    }

    .hero-cta .btn-hero-primary,
    .hero-cta .btn-hero-outline {
        width: 100% !important;
        max-width: 300px;
    }

    /* 统计数据优化 */
    .hero-stats {
        gap: 20px !important;
        padding: 0 20px !important;
    }

    .stat-item {
        flex: 1 1 45% !important;
        min-width: 140px !important;
    }

    .stat-number {
        font-size: 28px !important;
    }

    .stat-label {
        font-size: 12px !important;
    }

    /* 快速导航优化 */
    .quick-nav {
        padding: 15px 20px !important;
    }

    .quick-nav-link {
        font-size: 13px !important;
        padding: 8px 12px !important;
    }

    /* 产品卡片优化 */
    .product-card,
    .feature-card,
    .scenario-card {
        margin-bottom: 20px !important;
    }

    .product-card-header h3,
    .feature-card h3 {
        font-size: 20px !important;
    }

    .product-card p,
    .feature-card p {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }

    /* 版本对比卡片优化 */
    .version-card {
        margin-bottom: 20px !important;
    }

    .version-card-title {
        font-size: 22px !important;
    }

    /* 下载卡片优化 */
    .download-card {
        padding: 20px !important;
    }

    .download-card h3 {
        font-size: 20px !important;
    }

    /* 表单优化 */
    input[type="email"],
    input[type="text"],
    textarea {
        font-size: 16px !important; /* 防止iOS自动缩放 */
    }

    /* 底部信息优化 */
    .footer {
        padding: 40px 20px !important;
    }

    .footer-content {
        flex-direction: column !important;
        gap: 30px !important;
    }

    .footer-section {
        width: 100% !important;
        text-align: center !important;
    }
}

/* ==========================================
   小屏手机优化 - 480px及以下
   ========================================== */
@media (max-width: 480px) {

    /* 顶部联系栏进一步优化 */
    .top-contact-bar {
        padding: 10px 0 !important;
    }

    .contact-item {
        gap: 8px !important;
    }

    .contact-item .icon {
        font-size: 20px !important;
    }

    /* Hero区域进一步优化 */
    .hero {
        padding-top: 160px !important;
    }

    .hero-title {
        font-size: 24px !important;
    }

    .hero-subtitle {
        font-size: 14px !important;
    }

    /* 统计数据换行 */
    .hero-stats {
        gap: 15px !important;
    }

    .stat-item {
        flex: 1 1 100% !important;
    }

    .stat-number {
        font-size: 24px !important;
    }

    /* 按钮堆叠 */
    .hero-cta {
        gap: 10px !important;
    }

    /* 卡片进一步优化 */
    .product-card,
    .feature-card,
    .scenario-card {
        padding: 20px 15px !important;
    }

    /* 标题进一步缩小 */
    .section-title {
        font-size: 24px !important;
    }

    .section-subtitle {
        font-size: 14px !important;
    }
}

/* ==========================================
   横屏优化 - 针对横屏手机
   ========================================== */
@media (max-width: 768px) and (orientation: landscape) {

    .hero {
        padding-top: 120px !important;
        min-height: auto !important;
    }

    .hero-title {
        font-size: 26px !important;
    }

    .hero-stats {
        flex-direction: row !important;
        flex-wrap: wrap !important;
    }

    .stat-item {
        flex: 1 1 30% !important;
    }
}

/* ==========================================
   触摸优化
   ========================================== */
@media (hover: none) and (pointer: coarse) {

    /* 增大触摸区域 */
    .nav-link,
    .btn-primary,
    .btn-outline,
    .quick-nav-link,
    a {
        min-height: 44px !important; /* iOS建议的最小触摸尺寸 */
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
    }

    /* 移除hover效果 */
    .product-card:hover,
    .feature-card:hover,
    .scenario-card:hover {
        transform: none !important;
    }

    /* 简化动画 */
    * {
        animation-duration: 0.2s !important;
        transition-duration: 0.2s !important;
    }
}

/* ==========================================
   性能优化 - 移动端
   ========================================== */
@media (max-width: 768px) {

    /* 简化阴影 */
    .product-card,
    .feature-card,
    .scenario-card,
    .version-card,
    .download-card {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
    }

    /* 简化背景 */
    .hero,
    .section {
        background-attachment: scroll !important; /* 避免视差滚动性能问题 */
    }

    /* 禁用复杂动画 */
    .floating-shape,
    .hero-decoration {
        display: none !important;
    }
}