/**
 * 主应用样式入口文件
 * 按正确顺序导入所有CSS模块
 * 基于原网站设计风格重新构建
 */

/* 1. 重置和基础样式 */
@import url('./reset.css');

/* 2. CSS变量定义 */
@import url('./variables.css');

/* 3. 图标字体 */
@import url('./icons.css');

/* 4. 布局系统 */
@import url('./layout.css');

/* 5. 组件样式 */
@import url('./components.css');

/* 6. 动画效果 */
@import url('./animations.css');

/* 7. 主样式 */
@import url('./main.css');

/* 8. 页面特定样式 */
@import url('./pages.css');

/* 9. 兼容性和增强样式 */
.pcduan{ display:block}
.wapduan{ display:none}
@media (max-width: 1000px) {
.pcduan{ display:none}
.wapduan{ display:block}
}
/* 无障碍访问增强 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .carousel-slide {
        transition: none !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0066cc;
        --text-primary: #000;
        --text-secondary: #333;
        --border-color: #000;
        --bg-secondary: #f0f0f0;
    }
    
    .btn {
        border-width: 3px;
    }
    
    .form-control:focus {
        border-width: 3px;
    }
}

/* 深色模式支持（预留） - 修改为不影响主要背景色 */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-muted: #888;
        /* 保持主要背景为白色，避免影响页面布局 */
        --bg-primary: #ffffff;
        --bg-secondary: #f8f9fa;
        --bg-dark: #2c3e50;
        --border-color: #e1e8ed;
    }
    
    .product-card,
    .news-item,
    .contact-form,
    .sidebar {
        background: var(--bg-secondary);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
    
    .footer-logo img {
        filter: brightness(1) invert(0);
    }
}

/* 性能优化 */
* {
    /* 优化字体渲染 */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 图片优化 */
img {
    /* 优化图片渲染 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    /* 防止图片拖拽 */
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
}

/* 滚动优化 */
html {
    scroll-behavior: smooth;
}

/* 自定义滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: var(--text-white);
    text-shadow: none;
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--text-white);
    text-shadow: none;
}

/* 焦点样式 */
:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.form-control:focus {
    outline: none;
}

/* 跳过链接（无障碍访问） */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 8px 12px;
    text-decoration: none;
    border-radius: var(--border-radius);
    z-index: var(--z-tooltip);
    transition: var(--transition-fast);
    font-size: var(--font-size-sm);
}

.skip-link:focus {
    top: 6px;
}

/* 错误页面样式 */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--spacing-3xl);
}

.error-code {
    font-size: 6rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.error-message {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* 加载状态样式 */
.loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    margin-left: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* 空状态样式增强 */
.empty-state {
    text-align: center;
    padding: var(--spacing-4xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.5;
    color: var(--text-muted);
}

.empty-state-message {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.empty-state-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* 调试样式（开发环境） */
[data-debug] {
    border: 2px dashed red !important;
    background: rgba(255, 0, 0, 0.1) !important;
    position: relative;
}

[data-debug]::before {
    content: attr(data-debug);
    position: absolute;
    top: 0;
    left: 0;
    background: red;
    color: white;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: bold;
    z-index: 9999;
    font-family: monospace;
}

/* 响应式图片容器 */
.responsive-image {
    position: relative;
    overflow: hidden;
    background: var(--bg-secondary);
}

.responsive-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

/* 视频响应式 */
.responsive-video {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
}

.responsive-video iframe,
.responsive-video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* 移动端优化 */
@media (max-width: 768px) {
    /* 触摸友好的按钮尺寸 */
    .btn {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    /* 更大的触摸区域 */
    .nav-link,
    .sidebar-nav-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    /* 移动端文本大小调整 */
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .banner-title {
        font-size: var(--font-size-3xl);
    }
}

/* 基础container样式 */
.container {
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    max-width: 1400px;
}

/* 移动端container优化 - 占用98%宽度 */
@media (max-width: 768px) {
    .container {
        width: 98% !important;
        max-width: none !important;
        padding: 0 1% !important;
        margin: 0 auto !important;
    }
}

/* 超小屏幕优化 */
@media (max-width: 480px) {
    .container {
        width: 98% !important;
        max-width: none !important;
        padding: 0 1% !important;
        margin: 0 auto !important;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-xl);
    }
}

/* === 移动端强制样式 - 解决About.asp文字宽度问题 === */
@media screen and (max-width: 768px) {
    /* 强制所有容器98%宽度 */
    .main-content .container,
    .main-content .content-layout,
    .main-content .main-content-area,
    .main-content .content-wrapper {
        width: 98% !important;
        max-width: none !important;
        margin: 0 auto !important;
        padding-left: 1% !important;
        padding-right: 1% !important;
        box-sizing: border-box !important;
    }
    
    /* 强制文字内容占满宽度，但排除表单区域 */
    .content-wrapper p:not(.contact-form-section p),
    .content-wrapper div:not(.contact-form-section):not(.contact-form-section *),
    .content-wrapper span:not(.contact-form-section span),
    .content-wrapper *:not(.contact-form-section):not(.contact-form-section *) {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }
    
    /* 专门保护表单样式 */
    .content-wrapper .contact-form-section,
    .content-wrapper .contact-form-section * {
        width: auto !important;
        max-width: none !important;
        margin: revert !important;
        padding: revert !important;
        box-sizing: border-box !important;
    }
    
    /* 确保表单完全使用组件样式 */
    .content-wrapper .contact-form-section .form-group {
        width: 100% !important;
        margin-bottom: var(--spacing-lg) !important;
    }
    
    .content-wrapper .contact-form-section .form-row {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: var(--spacing-lg) !important;
        width: 100% !important;
    }
    
    .content-wrapper .contact-form-section .verify-wrapper {
        display: flex !important;
        align-items: center !important;
        gap: var(--spacing-sm) !important;
        width: 100% !important;
    }
    
    .content-wrapper .contact-form-section .verify-wrapper .input-wrapper {
        flex: 1 !important;
    }
    
    .content-wrapper .contact-form-section .verify-wrapper .verify-image {
        flex-shrink: 0 !important;
    }
    
    /* 移除侧边栏在移动端的影响 */
    .content-layout {
        flex-direction: column !important;
        gap: var(--spacing-md) !important;
    }
    
    .sidebar {
        width: 98% !important;
        margin: 0 auto !important;
        order: 2 !important;
    }
    
    .main-content-area {
        width: 98% !important;
        margin: 0 auto !important;
        order: 1 !important;
        flex: none !important;
    }
}

@media screen and (max-width: 480px) {
    /* 超小屏幕进一步优化 */
    .main-content .container,
    .main-content .content-layout,
    .main-content .main-content-area,
    .main-content .content-wrapper {
        width: 98% !important;
        padding-left: 1% !important;
        padding-right: 1% !important;
    }
    
    /* 小屏幕表单行变为单列 */
    .content-wrapper .contact-form-section .form-row {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md) !important;
    }
    
    /* 小屏幕验证码垂直排列 */
    .content-wrapper .contact-form-section .verify-wrapper {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: var(--spacing-sm) !important;
    }
    
    .content-wrapper .contact-form-section .verify-image {
        align-self: center !important;
    }
    
    .content-wrapper .contact-form-section .verify-image img {
        height: 40px !important;
        max-width: 120px !important;
    }
}

/* === 专门针对About.asp页面文字段落的强制样式 === */
@media screen and (max-width: 768px) {
    /* 直接针对页面中的文字段落 */
    body .main-content p,
    body .content-wrapper p,
    body main p {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 0 16px 0 !important;
        padding: 0 !important;
        text-align: left !important;
        line-height: 1.6 !important;
        font-size: 16px !important;
        color: #666 !important;
        box-sizing: border-box !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        hyphens: auto !important;
    }
    
    /* 确保所有文本容器都是全宽 */
    body .main-content,
    body .main-content *:not(.sidebar):not(.sidebar *) {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    
    /* 强制重置任何可能的限制 */
    body .content-wrapper {
        min-width: 98% !important;
        display: block !important;
    }
}