/* 全局样式 - 100% 缩放比例并自适应所有屏幕 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%; /* 禁止 iOS 自动调整字体大小 */
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent; /* 移除点击高亮 */
}

html {
    font-size: 16px; /* 基础字体大小 */
    width: 100%;
    height: 100%;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

:root {
    --primary-color: #FF0000;
    --primary-dark: #CC0000;
    --secondary-color: #0A3161;
    --secondary-dark: #08264d;
    --text-color: #333333;
    --text-light: #666666;
    --light-gray: #f8f8f8;
    --border-color: #e0e0e0;
    --white: #ffffff;
    --gradient-blue: linear-gradient(135deg, #0A3161 0%, #1a5276 100%);
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    width: 100%;
    min-height: 100%;
    -webkit-font-smoothing: antialiased; /* 字体平滑 */
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1001;  /* 确保在统计条和轮播图上方 */
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0px 40px;
    transition: padding 0.3s ease;
    max-width: 1920px;
    margin: 0 auto;
}

.navbar.navbar-shrink .container {
    padding: 0px 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 0;
    flex-shrink: 0;
}

.logo-img {
    height: 100px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: height 0.3s ease;
}

.navbar.navbar-shrink .logo-img {
    height: 85px;
}

.logo h1 {
    display: none;
}

.nav-menu {
    display: flex;
    gap: 25px;
    margin-left: auto;
    flex-shrink: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu li::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 0;
    right: 0;
    bottom: -12px;
    background: linear-gradient(135deg, #E61F34 0%, #C4182C 100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 0;
    pointer-events: none;
}

.nav-menu li:hover::before {
    opacity: 1;
    box-shadow: 0 4px 15px rgba(230, 31, 52, 0.3);
}

.nav-menu li a {
    color: var(--text-color);
    font-weight: 600;
    font-size: 15px;
    padding: 10px 18px;
    position: relative;
    z-index: 1;
    background: transparent;
    box-shadow: none;
    white-space: nowrap;
    transition: color 0.4s ease;
}

.nav-menu li a:hover {
    color: #ffffff;
}

/* 导航链接下划线动画 - 改为边框效果后移除 */
.nav-menu li a::after {
    display: none;
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 10px;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    min-width: 180px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001; /* 确保在下拉菜单在顶层 */
    list-style: none;
    margin: 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-menu li {
    padding: 0;
    position: relative;
}

.dropdown-menu li::before {
    display: none !important; /* 移除下拉菜单项的伪元素背景 */
}

.dropdown-menu li a {
    display: block;
    padding: 10px 18px !important;
    color: var(--text-color) !important;
    font-size: 14px !important;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.dropdown-menu li a::after {
    display: none !important;
}

.dropdown-menu li a:hover {
    background: var(--primary-color);
    color: var(--white) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.hamburger span {
    width: 22px;
    height: 2.5px;
    background: var(--text-color);
    transition: all 0.3s ease;
}

/* 轮播图模块 - 工业科技风设计 */
.hero-carousel {
    position: relative;
    width: 100%;
    /* 移除固定的 aspect-ratio，让图片自适应 */
    height: 700px; /* 默认高度 */
    min-height: 500px;
    max-height: 900px;
    background: transparent;
    overflow: hidden;
    margin-top: 80px;
}

.carousel-viewport {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 幻灯片轨道 */
.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 幻灯片 */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    display: none; /* 直接隐藏，无过渡动画 */
}

.slide.active {
    opacity: 1;
    visibility: visible;
    display: block; /* 激活时直接显示 */
    z-index: 10;
}

/* 背景遮罩 */
.slide-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0.2) 100%
    );
    z-index: 1;
}

/* 粒子效果层 */
.slide-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(100, 150, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(150, 100, 255, 0.08) 0%, transparent 50%);
    z-index: 2;
    pointer-events: none;
}

/* 幻灯片图片 */
.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.slide-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 使用 fill 让图片完全填充容器，不裁剪 */
    object-fit: fill;
    object-position: center;
}

/* 幻灯片内容 */
.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    padding: 60px;
}

.content-wrapper {
    max-width: 600px;
}

/* 标题样式 */
.slide-title {
    margin: 0;
    font-size: 72px;
    font-weight: 900;
    line-height: 1;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 0 40px rgba(255, 255, 255, 0.3);
    /* 移除动画 */
}

.title-large {
    display: block;
    font-size: 64px;
    font-weight: 700;
    letter-spacing: 8px;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-x {
    display: block;
    font-size: 96px;
    font-weight: 900;
    color: #FF0000;
    text-shadow: 
        0 0 20px rgba(238, 25, 35, 0.8),
        0 0 40px rgba(238, 25, 35, 0.6),
        0 0 60px rgba(238, 25, 35, 0.4);
    animation: glowPulse 2s ease-in-out infinite;
    margin-top: -10px;
}

/* 副标题 */
.slide-subtitle {
    font-size: 28px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 6px;
    margin: 20px 0 0 0;
    font-weight: 400;
    text-transform: uppercase;
    /* 移除动画 */
}

/* 描述文字 */
.slide-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin: 30px 0 0 0;
    line-height: 1.8;
    /* 移除动画 */
}

/* CTA 按钮 */
.slide-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 40px;
    padding: 16px 36px;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    cursor: pointer;
    /* 移除动画和过渡效果 */
}

.slide-cta-btn:hover {
    background: #FF0000;
    border-color: #FF0000;
    box-shadow: 
        0 0 30px rgba(238, 25, 35, 0.6),
        0 0 60px rgba(238, 25, 35, 0.4);
    /* 移除位移效果 */
}

.slide-cta-btn svg {
    width: 20px;
    height: 20px;
    /* 移除动画 */
}

.slide-cta-btn:hover svg {
    /* 移除位移效果 */
}

/* 导航箭头 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    /* 移除过渡动画 */
    z-index: 20;
    backdrop-filter: blur(10px);
}

.carousel-arrow:hover {
    background: rgba(238, 25, 35, 0.8);
    border-color: #FF0000;
    box-shadow: 0 0 30px rgba(238, 25, 35, 0.6);
    /* 移除缩放效果 */
}

.carousel-arrow.arrow-left {
    left: 30px;
}

.carousel-arrow.arrow-right {
    right: 30px;
}

.carousel-arrow svg {
    width: 24px;
    height: 24px;
}

/* 进度条 - 优化位置，避免遮挡内容 */
.carousel-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px; /* 减小高度，更精致 */
    background: rgba(0, 0, 0, 0.3); /* 深色背景，更低调 */
    z-index: 20;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #FF0000, #ff4d4d);
    width: 0;
    box-shadow: 0 0 10px rgba(238, 25, 35, 0.6); /* 减小光晕 */
}

.slide.active .progress-bar {
    animation: progressBar 5s linear forwards;
}

/* 分页指示器 - 优化位置，视觉更协调 */
.carousel-pagination {
    position: absolute;
    bottom: 20px; /* 向上移动，远离底部 */
    left: 50%; /* 居中显示 */
    transform: translateX(-50%); /* 精确居中 */
    display: flex;
    gap: 10px; /* 减小间距 */
    z-index: 20;
    background: rgba(0, 0, 0, 0.3); /* 半透明背景 */
    padding: 8px 16px; /* 添加内边距 */
    border-radius: 20px; /* 圆角背景 */
    backdrop-filter: blur(10px); /* 毛玻璃效果 */
}

.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    /* 移除过渡动画 */
    border: 2px solid transparent;
}

.pagination-dot:hover {
    background: rgba(255, 0, 0, 0.6); /* 纯红色半透明 RGB(255,0,0) */
    /* 移除缩放效果 */
}

.pagination-dot.active {
    background: #FF0000; /* 纯红色 RGB(255,0,0) */
    border-color: #FF0000;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.8); /* 红色阴影 */
    /* 移除缩放效果 */
}

/* 动画关键帧 - 已移除所有动画 */

/* 通用 section 样式 */
section {
    padding: 80px 0;
}

/* 服务模块 */
.services-section {
    padding: 80px 0;
    background: var(--white);
    margin-top: -30px; /* 向上移动 30px */
    position: relative;
    z-index: 1;
}

/* 关于我们模块 */
.about-section {
    background: #FF0000;
    padding: 100px 0; /* 增加上下内边距，确保垂直间距均匀 */
    color: var(--white);
    position: relative;
    overflow: hidden;
}

/* 产品模块 */
.products-section {
    background: var(--white);
    padding: 50px 0 80px 0;
}

/* 合作供应商模块 */
.partners-section {
    background: var(--white);
    padding: 30px 0; /* 减少 50px 上边距 */
    margin-top: 0;
}

.partners-section .section-header {
    margin-top: -10px;
}

/* 公司荣誉证书模块 */
.honors-section {
    background: var(--white);
    padding: 70px 0 0px 0; /* 减少底部间距 80px：从 80px 改为 0px */
}

/* 项目案例模块 */
.cases-section {
    background: var(--white);
    padding: 0px 0 80px 0;
}

/* 项目案例预览列表 - 自适应横向布局 */
.cases-preview-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); /* 自适应列数，最小宽度 320px */
    gap: 20px;
    margin-bottom: 40px;
}

/* 单个项目案例预览卡片 */
.case-preview-item {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.case-preview-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* 图片区域 - 减小高度 */
.case-preview-image-wrapper {
    width: 100%;
    height: 240px; /* 从 360px 减小到 240px */
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.case-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 填满容器 */
    transition: transform 0.4s ease;
}

.case-preview-item:hover .case-preview-image {
    transform: scale(1.05);
}

/* 内容区域 - 放大内边距和字体 */
.case-preview-content-wrapper {
    flex: 1;
    padding: 20px; /* 从 12px 放大到 20px (+8px) */
    display: flex;
    flex-direction: column;
}

.case-preview-title {
    font-size: 20px; /* 从 18px 放大到 20px */
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 14px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-preview-description {
    font-size: 15px; /* 从 14px 放大到 15px */
    color: #666;
    line-height: 1.6;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.case-preview-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: #999;
    padding-top: 16px;
    border-top: 1px solid #f0f0f0;
}

.case-preview-category {
    background: rgba(222, 41, 16, 0.1);
    color: #DE2910;
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .cases-preview-list {
        grid-template-columns: repeat(2, 1fr); /* 中等屏幕 2 列 */
        gap: 16px;
    }
    
    .case-preview-image-wrapper {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .cases-preview-list {
        grid-template-columns: 1fr; /* 移动端单列 */
        gap: 16px;
    }
    
    .case-preview-image-wrapper {
        height: 200px;
    }
    
    .case-preview-content-wrapper {
        padding: 14px;
    }
    
    .case-preview-title {
        font-size: 16px;
    }
}

/* 查看更多按钮 */
.view-more-container {
    text-align: center;
    margin-top: 30px;
}

.view-more-btn {
    display: inline-block;
    padding: 12px 40px;
    background: #DE2910;
    color: white;
    border-radius: 6px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.view-more-btn:hover {
    background: #c4240e;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(222, 41, 16, 0.3);
}

/* 项目案例分页样式 */
.cases-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
    padding: 20px 0;
}

.cases-prev-btn,
.cases-next-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 2px solid #DE2910;
    background: white;
    color: #DE2910;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cases-prev-btn:hover:not(:disabled),
.cases-next-btn:hover:not(:disabled) {
    background: #DE2910;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(222, 41, 16, 0.3);
}

.cases-prev-btn:disabled,
.cases-next-btn:disabled {
    border-color: #ddd;
    color: #ddd;
    cursor: not-allowed;
    opacity: 0.5;
}

.cases-page-info {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* 旧的轮播图样式保留但隐藏 */
.case-tabs {
    display: none;
}

.case-content {
    display: none;
}

.case-carousel {
    display: none;
}
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* ========================================
   100% 缩放比例并自适应所有屏幕
   禁止用户缩放，固定缩放比例为 100%
   ======================================== */

/* 禁止用户缩放 */
html, body {
    touch-action: manipulation; /* 禁止双击放大 */
    overscroll-behavior: none; /* 禁止回弹效果 */
}

/* 禁止 iOS 设备自动缩放 */
@supports (-webkit-touch-callout: none) {
    html, body {
        width: 100% !important;
        height: auto !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }
}

/* 确保所有容器都不会超出屏幕 */
*, *::before, *::after {
    max-width: 100%;
}

/* 图片自适应 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 禁止文本自动调整大小 */
input, textarea, select {
    font-size: 16px !important; /* 防止 iOS 放大焦点元素 */
}

/* 响应式容器 */
.container {
    width: 100%;
    padding-left: 20px;
    padding-right: 20px;
    margin-left: auto;
    margin-right: auto;
}

/* 大屏幕保持最大宽度 */
@media (min-width: 1200px) {
    .container {
        max-width: 1200px;
    }
}

/* 中等屏幕 */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }
}

/* 平板屏幕 */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
    }
    
    html {
        font-size: 15px; /* 稍微减小字体 */
    }
}

/* 小屏幕手机 */
@media (max-width: 767px) {
    .container {
        max-width: 100%;
        padding-left: 15px;
        padding-right: 15px;
    }
    
    html {
        font-size: 14px; /* 减小基础字体 */
    }
}

/* 超小屏幕手机 */
@media (max-width: 479px) {
    html {
        font-size: 13px; /* 进一步减小字体 */
    }
    
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }
}

/* ========================================
   带鱼屏（超宽屏）优化
   适用于 21:9、32:9 等超宽比例显示器
   ======================================== */

/* 超宽屏设备 - 宽度大于 2560px */
@media (min-width: 2560px) {
    html {
        font-size: 18px; /* 增大基础字体 */
    }
    
    .container {
        max-width: 1920px; /* 限制最大内容宽度 */
        padding-left: 40px;
        padding-right: 40px;
    }
    
    /* 增加组件内边距 */
    section {
        padding-left: 60px;
        padding-right: 60px;
    }
    
    /* 导航栏优化 */
    .navbar .container {
        padding: 0 60px;
    }
    
    /* 轮播图优化 */
    .hero-carousel-new {
        max-width: 100%;
    }
    
    /* 统计条优化 */
    .stats-banner {
        max-width: 1600px;
        margin: 0 auto;
    }
}

/* 超超宽屏 - 宽度大于 3440px（34 寸带鱼屏） */
@media (min-width: 3440px) {
    html {
        font-size: 20px; /* 进一步增大字体 */
    }
    
    .container {
        max-width: 2560px; /* 进一步限制最大宽度 */
        padding-left: 80px;
        padding-right: 80px;
    }
    
    section {
        padding-left: 100px;
        padding-right: 100px;
    }
    
    .navbar .container {
        padding: 0 100px;
    }
}

/* 带鱼屏特殊优化 - 高度较短的情况 */
@media (max-aspect-ratio: 21/9) {
    /* 减小垂直间距 */
    section {
        padding-top: 40px;
        padding-bottom: 40px;
    }
    
    /* 优化标题间距 */
    .section-header {
        margin-bottom: 30px;
    }
    
    /* 减小导航栏高度 */
    .navbar {
        padding: 10px 0;
    }
    
    /* 优化轮播图高度 */
    .hero-carousel-new {
        padding-bottom: 40%; /* 减小高度比例 */
    }
}

/* 超宽矮屏 - 宽度很大但高度很小 */
@media (min-width: 1920px) and (max-height: 600px) {
    /* 紧凑布局 */
    .navbar {
        padding: 8px 0;
    }
    
    section {
        padding-top: 30px;
        padding-bottom: 30px;
    }
    
    /* 减小标题大小 */
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    /* 优化卡片高度 */
    .product-card,
    .service-card,
    .news-card {
        min-height: auto;
    }
    
    /* 减小统计条高度 */
    .stats-banner {
        padding: 20px 0;
    }
    
    .stat-number {
        font-size: 40px;
    }
    
    .stat-label {
        font-size: 12px;
    }
}

/* 带鱼屏导航栏优化 */
@media (min-width: 2560px) {
    .navbar .nav-menu {
        gap: 35px; /* 增加导航项间距 */
    }
    
    .navbar .nav-menu a {
        font-size: 16px; /* 增大导航字体 */
    }
}

/* 带鱼屏页脚优化 */
@media (min-width: 2560px) {
    .footer {
        padding: 60px 0;
    }
    
    .footer-content {
        max-width: 1920px;
    }
}

.skeleton-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.skeleton-content {
    padding: 20px;
}

.skeleton-title {
    width: 80%;
    height: 20px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 10px;
}

.skeleton-description {
    width: 100%;
    height: 16px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 8px;
}

.skeleton-location {
    width: 60%;
    height: 14px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: 4px;
}

.case-slide {
    opacity: 0;
    animation: fadeInSlide 0.4s ease-in-out forwards;
}

.case-slide.active {
    opacity: 1;
}

.case-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 0, 0, 0.1);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    opacity: 0; /* 默认隐藏 */
    pointer-events: none; /* 默认不响应交互 */
}

.case-arrow.visible {
    opacity: 1; /* 有内容时显示 */
    pointer-events: auto;
}

.case-arrow:hover {
    background: var(--primary-color);
    color: var(--white);
}

.case-arrow.prev-arrow {
    left: -60px; /* 移到容器外侧 */
}

.case-arrow.next-arrow {
    right: -60px; /* 移到容器外侧 */
}

.case-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.case-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-indicator.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

.case-indicator:hover {
    background: var(--primary-color);
    opacity: 0.8;
}

.case-card {
    background: var(--white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.case-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.case-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: #f5f5f5;
}

.case-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f0f0 0%, #e8e8e8 100%);
    color: #999;
    font-size: 14px;
}

.case-info {
    padding: 20px;
}

.case-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.case-info p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.6;
}

.case-info .case-location {
    color: var(--text-light);
    font-size: 13px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 服务流程模块 */
.process-section {
    background: var(--white);
    padding: 0 0 80px 0;
    margin-top: -100px;
}

/* 新闻资讯模块 */
.news-section {
    background: var(--white);
    padding: 80px 0;
}

/* 联系模块 */
.contact-section {
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    margin-top: 70px;
}

.section-header h2 {
    font-size: 42px;
    color: var(--text-color);
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    letter-spacing: 3px;
    position: relative;
    z-index: 2;
}

.en-title {
    font-size: 42px;
    margin-left: 20px;
    font-weight: 900;
    letter-spacing: 4px;
    color: transparent;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 50%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.en-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 2px;
}

.section-header::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: 2px;
}

.section-header p {
    color: var(--text-light);
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-top: 10px;
    position: relative;
    z-index: 2;
}


.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 0;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

/* 服务项目 - 红底白字特殊样式 */
.service-card:nth-child(1),
.service-card:nth-child(2),
.service-card:nth-child(3),
.service-card:nth-child(4) {
    background: #FF0000; /* 中国红，红 255 */
    border: none;
    color: var(--white);
}

.service-card:nth-child(1) h3,
.service-card:nth-child(2) h3,
.service-card:nth-child(3) h3,
.service-card:nth-child(4) h3 {
    color: var(--white);
}

.service-card:nth-child(1) p,
.service-card:nth-child(2) p,
.service-card:nth-child(3) p,
.service-card:nth-child(4) p {
    color: rgba(255, 255, 255, 0.9);
}

.service-card:nth-child(1):hover,
.service-card:nth-child(2):hover,
.service-card:nth-child(3):hover,
.service-card:nth-child(4):hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 56px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
}

.service-icon svg {
    width: 64px;
    height: 64px;
    fill: var(--primary-color);
    stroke: var(--primary-color);
    stroke-width: 1.5;
    filter: drop-shadow(0 2px 8px rgba(230, 31, 52, 0.3));
    transition: all 0.3s ease;
}

/* 红底卡片上的图标样式 - 白色图标 + 增强阴影 */
.service-card:nth-child(1) .service-icon svg,
.service-card:nth-child(2) .service-icon svg,
.service-card:nth-child(3) .service-icon svg,
.service-card:nth-child(4) .service-icon svg {
    fill: #ffffff;
    stroke: #ffffff;
    filter: drop-shadow(0 4px 12px rgba(255, 255, 255, 0.5));
}

/* 悬停时图标放大效果 */
.service-card:hover .service-icon svg {
    transform: scale(1.15);
    filter: drop-shadow(0 6px 16px rgba(230, 31, 52, 0.5));
}

.service-card:nth-child(1):hover .service-icon svg,
.service-card:nth-child(2):hover .service-icon svg,
.service-card:nth-child(3):hover .service-icon svg,
.service-card:nth-child(4):hover .service-icon svg {
    filter: drop-shadow(0 8px 20px rgba(255, 255, 255, 0.7));
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 公司介绍模块 - 优化布局间距 */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.15fr; /* 调整比例，增加文字区域宽度 */
    gap: 50px; /* 增加中间间距，与上下间距协调 */
    align-items: start; /* 改为 start，确保从顶部对齐 */
}

/* 文本内容样式 - 左右间距与 container 保持一致 */
.about-text {
    padding: 0 20px; /* 左右各 20px，与 container padding 一致 */
}

/* 视频内容样式 - 四边等距设计 */
.about-image {
    padding: 0;
    position: relative;
    transform: none;
}

.about-content-reverse {
    grid-template-columns: 1fr 1fr;
    direction: rtl;
}

.about-content-reverse .about-text {
    direction: ltr;
}

.about-content-reverse .about-image {
    direction: ltr;
}

.about-text h2 {
    font-size: 38px;
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 700;
    letter-spacing: 3px;
    line-height: 1.4;
    white-space: nowrap; /* 确保标题在单行显示 */
    overflow: hidden; /* 隐藏溢出 */
    text-overflow: ellipsis; /* 溢出时显示省略号 */
}

.about-text h3 {
    font-size: 20px;
    color: var(--white);
    opacity: 0.95;
    margin-bottom: 24px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 2px;
    white-space: nowrap; /* 确保副标题在单行显示 */
    overflow: hidden;
    text-overflow: ellipsis;
}

.about-text p {
    color: var(--white);
    opacity: 0.95;
    line-height: 2.4; /* 进一步增加行高 */
    margin-bottom: 18px; /* 增加段落间距 */
    font-size: 20px; /* 增大正文字体，效果更明显 */
    text-align: justify; /* 两端对齐，使文本分布更均匀 */
    text-justify: inter-ideograph; /* 中文优化 */
    hyphens: none; /* 禁用连字符 */
}

.about-text strong {
    font-weight: 700;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 36px;
    color: var(--white);
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--white);
    opacity: 0.8;
    font-size: 14px;
}

.about-image {
    position: relative;
}

/* 视频容器样式 - 四边等距设计 */
.video-wrapper {
    position: relative;
    width: 100%;
    padding: 40px; /* 四边等距内边距 */
    box-sizing: border-box;
    border-radius: 12px;
    overflow: visible;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    background: transparent;
}

.company-video {
    width: 100%;
    height: auto;
    display: block;
    max-height: none; /* 移除高度限制，让视频自适应 */
    object-fit: contain;
}

.video-wrapper::before {
    content: '';
    display: block;
    padding-top: 56.25%; /* 16:9 比例 */
}

.video-wrapper .company-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    object-fit: contain;
}

/* 视频封面图样式 - 默认显示 */
.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 封面图填满容器，不留黑边 */
    z-index: 10;
    transition: opacity 0.3s ease;
    cursor: pointer;
    opacity: 1;
    visibility: visible;
}

/* 视频播放时隐藏封面图 - 关键修复 */
.video-wrapper.video-playing .video-poster {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -1 !important; /* 确保封面图在视频后面 */
}

/* 视频加载时显示封面图（冗余，但确保显示） */
.video-wrapper.video-loading .video-poster {
    opacity: 1;
    visibility: visible;
    pointer-events: auto; /* 加载时允许点击 */
}

/* 播放按钮样式 */
.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid rgba(255, 255, 255, 0.8);
    pointer-events: auto; /* 确保播放按钮可点击 */
}

.video-play-button:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translate(-50%, -50%) scale(1.1);
    border-color: rgba(255, 255, 255, 1);
}

.video-play-button svg {
    width: 40px;
    height: 40px;
    margin-left: 5px; /* 视觉修正 */
}

/* 视频播放时隐藏播放按钮 - 关键修复 */
.video-wrapper.video-playing .video-play-button {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    z-index: -1 !important; /* 确保播放按钮在视频后面 */
}

/* 视频加载动画 */
.video-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 15;
    display: none; /* 默认隐藏 */
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.video-wrapper.video-loading .video-loading-spinner {
    display: flex; /* 加载时显示 */
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.video-loading-spinner span {
    color: white;
    font-size: 14px;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 视频播放时隐藏加载动画 - 关键修复 */
.video-wrapper.video-playing .video-loading-spinner {
    display: none !important;
    z-index: -1 !important; /* 确保加载动画在视频后面 */
}

/* 确保视频元素在最上层 */
.video-wrapper .company-video {
    z-index: 5; /* 低于封面图和播放按钮，但播放时可见 */
}

/* 旧的形象展示占位符样式（保留兼容性） */
.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    font-weight: 600;
    border-radius: 0;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    padding: 12px 30px;
    border-radius: 5px;
    display: inline-block;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.about-features {
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.feature-icon {
    width: 30px;
    height: 30px;
    background: var(--white);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: bold;
}

.feature-item h4 {
    color: var(--white);
    margin-bottom: 5px;
}

.feature-item p {
    color: var(--white);
    opacity: 0.9;
    font-size: 14px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    justify-items: center;
    padding-bottom: 30px;
}

/* 6 个产品卡片：3 列×2 行均匀布局 */
.products-grid .product-card-link {
    width: 100%;
    max-width: 380px;
}

/* 产品卡片链接样式 */
.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card-link:hover {
    text-decoration: none;
}

/* ========== 产品卡片统一规范 ========== 
 * 标准尺寸规范（所有产品卡片统一使用此标准）：
 * 
 * 【卡片整体尺寸】
 * - 卡片宽度：380px (max-width)
 * - 卡片高度：420px (固定高度，确保统一)
 * - 内边距：20px
 * - 圆角：0 (直角设计)
 * - 阴影：0 5px 20px rgba(0, 0, 0, 0.08)
 * 
 * 【图片区域规范】
 * - 图片区域高度：230px
 * - 图片区域宽度：100% (380px)
 * - 图片比例：16:9 (标准宽屏比例)
 * - 图片填充：object-fit: cover (完全填充，自动裁剪)
 * - 图片位置：居中 (object-position: center center)
 * - 悬浮效果：scale(1.1) 放大 10%
 * 
 * 【标题区域规范】
 * - 字体大小：20px
 * - 字体粗细：600
 * - 内边距：20px 20px 10px
 * - 最小高度：32px
 * - 行高：1.4
 * 
 * 【描述区域规范】
 * - 字体大小：14px
 * - 内边距：0 20px 15px
 * - 最小高度：45px
 * - 行高：1.6
 * - 弹性布局：flex: 1
 * 
 * 【图片素材标准】
 * - 建议分辨率：800px × 450px 或更高
 * - 图片比例：16:9
 * - 文件格式：JPG/PNG
 * - 文件大小：≤ 10MB
 * - 裁剪方式：中心裁剪，保持 16:9 比例
 * ======================================== */

.product-card {
    /* 固定尺寸，确保所有产品卡片统一 */
    width: 100%;
    max-width: 380px;
    height: 350px; /* 继续减小外框高度 */
    
    /* 基础样式 */
    background: var(--white);
    border-radius: 0; /* 直角设计 */
    overflow: hidden;
    position: relative;
    cursor: pointer;
    
    /* 布局 */
    display: flex;
    flex-direction: column;
    
    /* 视觉效果 */
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 移除焦点时的红色边框效果 */
.product-card-link:focus {
    outline: none;
}

.product-card-link:focus .product-card {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

/* 移动端优化 */
@media (max-width: 768px) {
    .product-card:hover {
        transform: translateY(-5px) scale(1.01);
    }
    
    .product-card:hover .product-image .image-placeholder {
        transform: scale(1.05);
    }
    
    .product-card:hover .click-hint {
        opacity: 0.7;
    }
    
    .click-hint {
        opacity: 0.7;
        transform: translateY(0);
    }
    
    .product-card::after {
        display: none;
    }
}

/* 触摸设备优化 */
@media (hover: none) {
    .product-card:hover::after {
        opacity: 0;
    }
    
    .product-card:hover .product-image .image-placeholder::before {
        opacity: 0;
    }
    
    .click-hint {
        opacity: 0.7;
    }
}

/* 产品图片区域 - 统一标准尺寸 */
.product-image {
    /* 固定高度，所有产品图片区域统一 */
    height: 230px;
    overflow: hidden;
    position: relative;
    background: #f5f5f5;
    
    /* 确保图片容器占满区域 */
    width: 100%;
    flex-shrink: 0; /* 防止被压缩 */
}

.product-image .image-placeholder {
    height: 100%;
    width: 100%;
    border-radius: 0;
    transition: transform 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 产品图片 - 统一使用 object-fit: cover 确保填充 */
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 完全填充，自动裁剪 */
    object-position: center center;
    display: block;
}

/* 首页产品卡片图片 - 使用 contain 完整显示 */
#homeProductsGrid .product-image img {
    object-fit: contain; /* 完整显示图片 */
    padding: 5px; /* 减小内边距，让图片更大 */
    box-sizing: border-box;
    background: #ffffff; /* 白色背景 */
    width: 100%;
    height: 100%;
}

/* 首页产品卡片图片容器 - 白色背景 */
#homeProductsGrid .product-image {
    background: #ffffff; /* 白色背景 */
}

/* 鼠标悬浮时图片放大效果 */
.product-card:hover .product-image .image-placeholder {
    transform: scale(1.1);
}

/* 灯光控台图片放大 20px */
.product-image-large {
    width: calc(100% + 40px) !important;
    height: calc(100% + 40px) !important;
    max-width: none !important;
    max-height: none !important;
}

/* 产品卡片标题 - 统一样式 */
.product-card h3 {
    font-size: 22px; /* 增大字体 */
    font-weight: 600;
    /* 调整内边距，让内容垂直居中 */
    padding: 25px 20px 10px;
    color: var(--text-color);
    /* 固定高度，确保标题对齐 */
    min-height: 32px;
    line-height: 1.4;
}

/* 产品卡片描述 - 统一样式 */
.product-card p {
    /* 调整内边距，让内容垂直居中 */
    padding: 0 20px 20px;
    color: var(--text-light);
    font-size: 15px; /* 增大字体 */
    line-height: 1.6;
    /* 固定高度，确保描述对齐 */
    min-height: 45px;
    /* 弹性布局，确保内容对齐 */
    flex: 1;
}

/* ========== 产品子页面卡片统一规范（强制固定尺寸） ========== 
 * 适用于所有产品子页面的 .product-item-new 卡片
 * 确保所有产品卡片尺寸完全一致，不受内容影响
 * ============================================================ */

.product-item-new {
    /* 固定尺寸，所有产品卡片统一标准 */
    width: 100% !important;
    max-width: 380px !important;
    height: 420px !important; /* 固定高度 */
    
    /* 基础样式 */
    background: var(--pure-white) !important;
    border-radius: 0 !important; /* 直角设计 */
    overflow: hidden !important;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08) !important;
    
    /* 弹性布局，确保内容对齐 */
    display: flex !important;
    flex-direction: column !important;
    
    /* 防止用户调整大小 */
    resize: none !important;
    
    /* 过渡效果 */
    transition: all 0.3s ease !important;
    cursor: pointer;
    position: relative;
}

.product-item-new:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

/* 图片区域固定尺寸 */
.product-item-new .product-image-wrapper {
    /* 固定图片区域高度 */
    height: 230px !important;
    position: relative !important;
    overflow: hidden !important;
    background: #f5f5f5 !important;
    
    /* 防止被压缩 */
    flex-shrink: 0 !important;
    width: 100% !important;
}

/* 图片统一样式 */
.product-item-new .product-image-wrapper img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center center !important;
    display: block !important;
    transition: transform 0.4s ease !important;
}

.product-item-new:hover .product-image-wrapper img {
    transform: scale(1.1) !important;
}

/* 产品信息区域 */
.product-item-new .product-info-new {
    /* 统一内边距 */
    padding: 20px !important;
    
    /* 弹性布局，占据剩余空间 */
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
}

/* 产品标题固定样式 */
.product-item-new .product-title-new {
    font-size: 20px !important;
    font-weight: 600 !important;
    color: var(--gray-900) !important;
    margin-bottom: 10px !important;
    line-height: 1.4 !important;
    
    /* 固定高度，确保标题对齐 */
    min-height: 32px !important;
    
    /* 限制显示行数 */
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* 产品描述固定样式 */
.product-item-new .product-desc-new {
    font-size: 14px !important;
    color: var(--gray-500) !important;
    line-height: 1.6 !important;
    margin-bottom: 0 !important;
    
    /* 固定高度，确保描述对齐 */
    min-height: 45px !important;
    
    /* 弹性布局，占据剩余空间 */
    flex: 1 !important;
    
    /* 限制显示行数 */
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
}

/* 产品底部区域 */
.product-item-new .product-footer-new {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding-top: 16px !important;
    border-top: 1px solid var(--gray-100) !important;
    margin-top: auto !important; /* 确保始终在底部 */
}

/* 产品徽章 */
.product-item-new .product-badge {
    position: absolute !important;
    top: 16px !important;
    right: 16px !important;
    padding: 6px 14px !important;
    background: var(--china-red) !important;
    color: var(--pure-white) !important;
    border-radius: 6px !important;
    font-size: 12px !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
    box-shadow: var(--shadow-md) !important;
    z-index: 10 !important;
}

/* 产品类别标签 */
.product-item-new .product-category-new {
    font-size: 13px !important;
    color: var(--china-red) !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    margin-bottom: 10px !important;
}

/* 产品规格 */
.product-item-new .product-specs {
    display: flex !important;
    gap: 16px !important;
    font-size: 13px !important;
    color: var(--gray-500) !important;
}

/* 查看详情按钮 */
.product-item-new .view-details-btn {
    padding: 8px 20px !important;
    background: var(--china-red) !important;
    color: var(--pure-white) !important;
    border: none !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    white-space: nowrap !important;
}

.product-item-new .view-details-btn:hover {
    background: var(--red-dark) !important;
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-md) !important;
}

.btn-link {
    display: inline-block;
    padding: 0 20px 20px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.btn-link::after {
    content: '→';
    display: inline-block;
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.btn-link:hover {
    color: var(--primary-dark);
}

.btn-link:hover::after {
    transform: translateX(5px);
}

.product-card:hover .btn-link {
    text-decoration: underline;
}

/* 供应商 Logo 墙 - 随机分布 */
.partners-wall {
    position: relative;
    display: block;
    height: 400px;
    margin-bottom: 60px;
    padding: 40px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.partner-logo-item {
    position: absolute;
    width: 150px;
    height: 100px;
    padding: 15px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(230, 31, 52, 0.2);
}

.logo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a5276 100%);
    color: var(--white);
    border-radius: 0;
    font-weight: 600;
    font-size: 14px;
}

/* 合作伙伴网格 */
/* 合作伙伴网格 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 0;
    padding: 0 20px;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* 合作伙伴横幅 - 纯红色主题 */
.partners-banner {
    background: #FF0000;
    padding: 120px 0 100px;
    text-align: center;
    margin: 0;
    position: relative;
    overflow: hidden;
}

.partners-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 40%, rgba(255,255,255,0.2) 0%, transparent 40%),
                radial-gradient(circle at 70% 70%, rgba(255,255,255,0.1) 0%, transparent 40%);
    pointer-events: none;
}

.banner-content {
    position: relative;
    z-index: 1;
}

.banner-main h3 {
    font-size: 56px;
    color: #ffffff;
    margin-bottom: 16px;
    margin-top: -30px;
    font-weight: 700;
    letter-spacing: 12px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.banner-lead {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 6px;
    margin: 0;
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.banner-details {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-top: 60px;
}

.detail-item {
    text-align: center;
}

.detail-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.detail-label {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 2px;
}

.banner-features {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 0px;
    margin-top: 40px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-box {
    position: relative;
    padding: 40px 50px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    background: #ffffff;
    border: 2px solid rgba(222, 41, 16, 0.3);
    border-radius: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.feature-box:hover {
    background: #ffffff;
    border-color: #DE2910;
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.feature-name {
    position: relative;
    z-index: 1;
    font-size: 19px;
    font-weight: 700;
    color: #8B1A1A;
    letter-spacing: 6px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.feature-box:hover .feature-name {
    color: #DE2910;
    letter-spacing: 8px;
    text-shadow: 0 2px 6px rgba(222, 41, 16, 0.2);
}

.partner-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

/* 奇数项红色，偶数项白色 - 修复选择器 */
.partner-slide:nth-child(odd) .partner-item {
    background: var(--primary-color);
}

.partner-slide:nth-child(even) .partner-item {
    background: #ffffff;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.partner-content {
    padding: 40px 30px;
    text-align: center;
}

.partner-logo {
    margin-bottom: 20px;
}

/* LOGO 样式 */
.logo-white-frame {
    width: 100%;
    height: 200px;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.logo-white-frame:hover {
    box-shadow: none;
    transform: none;
}

.partner-slide:nth-child(odd) .logo-white-frame {
    background: transparent;
}

.partner-slide:nth-child(even) .logo-white-frame {
    background: transparent;
}

/* 确保图片保持原始比例，PNG 透明背景可见 */
.logo-white-frame img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.partner-logo .image-placeholder {
    height: var(--logo-display-size, 200px);  /* 使用动态高度 */
    background: transparent;
    color: var(--primary-color);
    font-size: 58px;
    font-weight: bold;
}

.partner-slide:nth-child(odd) .partner-logo .image-placeholder {
    color: var(--white);
}

/* 授权证书轮播图 */
.certificates-carousel {
    position: relative;
    overflow: hidden !important;
    padding: 60px 20px;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    min-height: 450px;
    margin-top: 0;
    width: 100%;
    box-sizing: border-box;
    max-width: 100%;
    left: 0;
    right: 0;
}

.cert-slides {
    display: flex;
    gap: 30px;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    width: max-content;
    max-width: 100%;
    position: relative;
    left: 0 !important;
    right: auto;
    margin: 0;
    padding: 0;
}

.cert-slide {
    flex-shrink: 0;
    width: 300px;
}

.cert-card {
    background: #FF0000;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.cert-image {
    width: 100%;
    height: auto;
    aspect-ratio: 3/4;
    background: #FF0000;
    display: block;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
    padding: 0;
    border: 8px solid #FF0000;
}

.cert-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
    border: none;
    outline: none;
}

.cert-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FF0000;
    color: white;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

.cert-info {
    padding: 18px 15px;
    text-align: center;
    background: #FF0000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    box-sizing: border-box;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center; /* 确保内容水平居中 */
}

.cert-card:hover .cert-info {
    background: #FF0000;
}

.cert-info h4 {
    font-size: 18px;
    color: #ffffff;
    margin: 0;
    font-weight: 600;
    line-height: 1.4;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 10px;
    box-sizing: border-box;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    max-width: 100%;
    font-size: clamp(14px, 1.5vw, 18px);
}

.cert-card:hover .cert-info h4 {
    color: #ffffff;
    text-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    transform: scale(1.02);
}

/* 隐藏箭头和指示器 */
.cert-arrow,
.cert-indicators {
    display: none;
}

.honors-carousel {
    position: relative;
    overflow: hidden;
    padding: 40px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.honors-slides {
    display: flex;
    gap: 30px;
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.honor-slide {
    flex-shrink: 0;
    width: 380px;
}

.honor-card {
    background: #FF0000;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    margin-top: 0;
}

.honor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.honor-image {
    width: 100%;
    height: 280px;
    background: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 8px solid #FF0000;
}

.honor-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 50%, #990000 100%);
    color: #fff;
    font-size: 22px;
    font-weight: 600;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.honor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    border: none;
    outline: none;
    display: block;
}

.honor-info {
    padding: 15px 20px 5px 20px; /* 文字向下移动 10px：增加顶部 padding */
    text-align: center;
    background: #FF0000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 80px;
}

.honor-info h4 {
    font-size: 20px;
    color: #ffffff;
    margin-bottom: 12px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    margin: 0;
}



/* 响应式设计 */
@media (max-width: 1440px) {
    .navbar .container {
        padding: 8px 30px;
    }

    .navbar.navbar-shrink .container {
        padding: 6px 30px;
    }

    .nav-menu {
        gap: 20px;
    }

    .nav-menu li a {
        font-size: 14px;
        padding: 10px 16px;
    }

    .logo-img {
        height: 90px;
    }

    .navbar.navbar-shrink .logo-img {
        height: 75px;
    }
}

@media (max-width: 768px) {
    .honors-section {
        padding: 50px 0;
    }
    
    .honor-slide {
        width: 300px;
    }
    
    .honor-image {
        height: 220px;
    }
    
    .honor-info h4 {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .honor-slide {
        width: 280px;
    }
    
    .honor-image {
        height: 200px;
    }
    
    .cert-card {
        max-width: 280px;
    }
    
    .cert-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
    }
    
    .cert-info {
        padding: 14px 10px;
    }
    
    .cert-info h4 {
        font-size: 15px;
        min-height: 42px;
    }
    
    .cert-info .cert-issuer {
        font-size: 13px;
    }
    
    .cert-info .cert-date {
        font-size: 12px;
    }
}

/* 流程模块 */
.process-section {
    background: var(--white);
    padding: 80px 0;
}

.process-timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    max-width: 1200px;
    margin: 60px auto 0;
    padding: 0 40px;
}

/* 连接线 - 顶部贯穿的红色实线 */
.process-timeline::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 80px;
    right: 80px;
    height: 3px;
    background: #FF0000;
    z-index: 1;
}

/* 圆圈光晕效果 */
.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 0 20px rgba(230, 31, 52, 0.6), 0 0 40px rgba(230, 31, 52, 0.3);
    border: 4px solid var(--white);
    position: relative;
    transition: all 0.3s ease;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
    padding-top: 0;
}

/* 序号圆圈 - 带边框效果 */
.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 4px 15px rgba(230, 31, 52, 0.4);
    border: 4px solid var(--white);
    position: relative;
    transition: all 0.3s ease;
}

.step-number span {
    color: var(--white);
    font-size: 28px;
    font-weight: bold;
}

.process-step:hover .step-number {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(230, 31, 52, 0.6);
}

/* 标题 */
.process-step h3 {
    font-size: 20px;
    color: #1a1a1a;
    margin: 20px 0 10px;
    font-weight: 600;
}

/* 描述 */
.process-step p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .carousel-section {
        height: 580px;
        margin-bottom: 15px;
    }
    
    .slide-content h2 {
        font-size: 36px;
    }
    
    .slide-content p {
        font-size: 20px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .process-step {
        flex: 0 0 calc(33.333% - 30px);
    }
    
    .services-section {
        padding-top: 40px;
    }
}

/* 轮播图响应式设计 */
@media (max-width: 1024px) {
    .hero-carousel {
        height: 600px;
    }
    
    .slide-content {
        width: 60%;
        padding: 40px;
    }
    
    .slide-image {
        width: 100%;
    }
    
    .slide-title {
        font-size: 56px;
    }
    
    .title-large {
        font-size: 48px;
    }
    
    .title-x {
        font-size: 72px;
    }
    
    .carousel-arrow {
        width: 50px;
        height: 50px;
    }
    
    /* 项目案例平板端样式 */
    .case-slides {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .case-card {
        max-width: 100%;
    }
    
    /* 荣誉证书平板端样式 */
    .cert-slide {
        width: 260px;
    }
    
    .cert-image {
        aspect-ratio: 3/4;
    }
    
    .certificates-carousel {
        min-height: 450px;
        padding: 60px 15px;
        overflow: hidden !important;
    }
}

@media (max-width: 768px) {
    /* 轮播图移动端样式 */
    .hero-carousel {
        height: 500px;
    }
    
    .slide-content {
        width: 100%;
        padding: 30px;
        background: linear-gradient(
            135deg,
            rgba(0, 0, 0, 0.9) 0%,
            rgba(0, 0, 0, 0.6) 100%
        );
    }
    
    .slide-image {
        width: 100%;
        opacity: 0.5;
    }
    
    .slide-title {
        font-size: 40px;
    }
    
    .title-large {
        font-size: 36px;
    }
    
    .title-x {
        font-size: 56px;
    }
    
    .slide-subtitle {
        font-size: 20px;
    }
    
    .slide-description {
        font-size: 14px;
    }
    
    .tab-icon {
        width: 40px;
        height: 40px;
    }
    
    .tab-text {
        font-size: 13px;
    }
    
    .slide-cta-btn {
        padding: 12px 24px;
        font-size: 12px;
    }
    
    .carousel-arrow {
        width: 40px;
        height: 40px;
    }
    
    .carousel-arrow.arrow-left {
        left: 15px;
    }
    
    /* 荣誉证书移动端样式 */
    .cert-slide {
        width: 220px;
    }
    
    .cert-image {
        aspect-ratio: 3/4;
    }
    
    .cert-image .image-placeholder {
        font-size: 14px;
        padding: 15px;
    }
    
    .cert-card {
        max-width: 320px;
    }
    
    .cert-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
    }
    
    .cert-info {
        padding: 16px 12px;
    }
    
    .cert-info h4 {
        font-size: 16px;
        min-height: 44px;
    }
    
    .certificates-carousel {
        min-height: 380px;
        padding: 40px 10px;
        overflow: hidden !important;
    }
    
    .carousel-arrow.arrow-right {
        right: 15px;
    }
    
    .carousel-pagination {
        bottom: 15px; /* 平板端调整 */
        padding: 6px 12px;
        gap: 8px;
    }
    
    .pagination-dot {
        width: 10px;
        height: 10px;
    }
    
    .carousel-progress {
        height: 2px; /* 平板端更细 */
    }
    .process-timeline {
        flex-direction: column;
        align-items: center;
        padding: 0 20px;
        gap: 40px;
    }
    
    .process-step {
        flex: 1 1 100%;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .carousel-section {
        height: 480px;
        margin-bottom: 10px;
    }
    
    .services-section {
        padding-top: 30px;
    }
}

/* 新闻资讯模块 */
.news-section {
    background: var(--white);
    padding: 0 0 80px 0;
}

/* 新闻分类筛选 */
.news-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: var(--text-color);
    font-size: 14px;
}

.filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* 新闻滑块容器（带箭头） */
.news-slider-container {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    margin-bottom: 40px;
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

/* 左右箭头按钮 */
.news-arrow {
    width: 50px;
    height: 50px;
    background: #FF0000; /* 中国红 */
    border: 2px solid #FF0000; /* 中国红边框 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    box-shadow: 0 2px 10px rgba(255, 0, 0, 0.2);
}

.news-arrow:hover:not(:disabled) {
    background: #CC0000; /* 深红色悬停效果 */
    border-color: #CC0000;
    transform: scale(1.1);
}

.news-arrow:hover:not(:disabled) svg {
    color: var(--white);
}

.news-arrow svg {
    width: 24px;
    height: 24px;
    color: #FFFFFF; /* 白色箭头图标 */
}

.news-arrow:hover {
    background: #CC0000; /* 深红色悬停 */
    border-color: #CC0000;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4);
}

.news-arrow:hover svg {
    color: var(--white);
}

.news-arrow:disabled {
    background: #FFCCCC; /* 浅红色 */
    border-color: #FFCCCC;
    opacity: 0.6;
    cursor: not-allowed;
}

.news-arrow:disabled:hover {
    background: #FFCCCC;
    border-color: #FFCCCC;
    box-shadow: none;
}

.news-arrow:disabled svg {
    color: #CC0000; /* 深红色图标 */
}

/* 新闻网格包装器 */
.news-grid-wrapper {
    flex: 1;
    overflow: hidden;
    min-width: 0;
}

/* 新闻网格布局 */
.news-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
    transition: transform 0.5s ease;
}

/* 新闻卡片 */
.news-card {
    background: var(--white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: row;
    height: auto;
    min-height: 280px;
    max-width: 100%;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* 新闻图片 */
.news-image {
    position: relative;
    width: 100%;
    min-width: unset;
    height: auto;
    aspect-ratio: 16/9;
    overflow: hidden;
    flex-shrink: 0;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    object-position: center;
}

.news-image .image-placeholder {
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
    padding: 20px;
    text-align: center;
    word-wrap: break-word;
}

/* 新闻分类标签 - 中国红 */
.news-category {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%); /* 中国红渐变 */
    color: var(--white);
    padding: 5px 15px;
    font-size: 12px;
    border-radius: 20px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(255, 0, 0, 0.4); /* 红色阴影 */
    border: 1px solid rgba(255, 255, 255, 0.2); /* 白色半透明边框 */
}

/* 新闻内容 */
.news-content {
    padding: 30px 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    min-width: 0;
}

/* 新闻日期 - 隐藏 */
.news-date {
    display: none;
}

/* 新闻标题 */
.news-title {
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.4;
    word-wrap: break-word;
    word-break: break-all;
    flex-shrink: 0;
}

/* 新闻摘要/正文 */
.news-excerpt {
    color: var(--text-color);
    font-size: 16px;
    line-height: 1.8;
    word-wrap: break-word;
    flex-grow: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
}

/* 分页指示器 - 中国红色系 */
.news-pagination {
    text-align: center;
    margin-top: 20px;
}

.pagination-info {
    color: var(--text-color);
    font-size: 14px;
    background: var(--light-gray);
    padding: 8px 20px;
    border-radius: 20px;
    display: inline-block;
    border: 1px solid #FF0000; /* 纯红色 RGB(255,0,0) */
}

.pagination-info .current-page {
    color: #FF0000; /* 纯红色 RGB(255,0,0) */
    font-weight: 600;
}

/* 新闻卡片隐藏动画 */
.news-card.hide {
    display: none;
}

/* 新闻正文分页样式 - 中国红色系 */
.content-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.content-page-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--white);
    border: 2px solid #FF0000; /* 纯红色边框 RGB(255,0,0) */
    border-radius: 8px;
    font-size: 14px;
    color: #FF0000; /* 纯红色文字 RGB(255,0,0) */
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.content-page-btn:hover {
    background: #FF0000; /* 纯红色背景 RGB(255,0,0) */
    border-color: #FF0000;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3); /* 红色阴影 */
}

.content-page-btn svg {
    width: 18px;
    height: 18px;
}

.content-page-btn.prev svg {
    transform: rotate(0deg);
}

.content-page-btn.next svg {
    transform: rotate(0deg);
}

.content-page-info {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
    padding: 0 10px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .news-slider-container {
        gap: 10px;
    }
    
    .news-arrow {
        width: 40px;
        height: 40px;
    }
    
    .news-arrow svg {
        width: 20px;
        height: 20px;
    }
    
    .news-filter {
        gap: 10px;
        margin-bottom: 30px;
    }
    
    .filter-btn {
        padding: 8px 18px;
        font-size: 13px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .news-section {
        padding: 60px 0;
    }
    
    /* 新闻卡片移动端优化 */
    .news-card {
        flex-direction: column;
    }
    
    .news-image {
        width: 100%;
        min-width: unset;
        aspect-ratio: 16/9;
        height: auto;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-title {
        font-size: 20px;
    }
    
    .news-excerpt {
        font-size: 14px;
        -webkit-line-clamp: 4;
    }
    
    /* 项目案例移动端样式 */
    .case-slides {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .case-image {
        height: 180px;
    }
    
    .case-info h3 {
        font-size: 16px;
    }
    
    .case-info p {
        font-size: 13px;
    }
    
    .case-tabs {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .case-tab {
        padding: 15px 10px;
    }
    
    .tab-icon {
        width: 40px;
        height: 40px;
    }
    
    .tab-text {
        font-size: 13px;
    }
}

/* 联系模块 */
.contact-section {
    background: #FF0000;
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.contact-container {
    position: relative;
    z-index: 2;
}

.contact-header {
    text-align: center;
    margin-bottom: 30px;
}

.contact-header h2 {
    color: var(--white);
    font-size: 42px;
    font-weight: 700;
    display: inline-block;
    position: relative;
}

.contact-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* 联系信息面板 */
.contact-info-panel {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding-bottom: 25px;
    padding-left: 15px;
    border-left: 3px solid transparent;
    position: relative;
    transition: all 0.3s ease;
}

.contact-info-item:hover {
    border-left-color: #FF0000;
    padding-left: 20px;
}

.contact-info-item:last-child {
    padding-bottom: 0;
}

.contact-info-item::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        rgba(255, 0, 0, 0) 0%, 
        rgba(255, 0, 0, 0.3) 20%, 
        rgba(255, 0, 0, 0.6) 50%, 
        rgba(255, 0, 0, 0.3) 80%, 
        rgba(255, 0, 0, 0) 100%
    );
    transition: all 0.3s ease;
}

.contact-info-item:hover::after {
    height: 2px;
    background: linear-gradient(90deg, 
        rgba(255, 0, 0, 0) 0%, 
        rgba(255, 0, 0, 0.5) 20%, 
        rgba(255, 0, 0, 0.9) 50%, 
        rgba(255, 0, 0, 0.5) 80%, 
        rgba(255, 0, 0, 0) 100%
    );
}

.contact-info-item:last-child::after {
    display: none;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: transparent; /* 移除红色背景 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: none; /* 移除阴影 */
    position: relative;
    z-index: 2;
    transition: all 0.3s ease;
}

.contact-info-item:hover .info-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(230, 31, 52, 0.4);
}

.info-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
    filter: none; /* 移除任何发光或阴影效果 */
    box-shadow: none; /* 移除阴影 */
}

.info-content h4 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-info-item:hover .info-content h4 {
    color: #FF0000;
    transform: translateX(5px);
}

.info-content p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    transition: all 0.3s ease;
}

.contact-info-item:hover .info-content p {
    color: var(--text-color);
}

/* 社交媒体区域 */
.social-links-section {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.social-links-section h4 {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--light-gray);
    border-radius: 20px;
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link-item:hover {
    background: #FF0000;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(230, 31, 52, 0.3);
}

.social-link-item svg {
    width: 18px;
    height: 18px;
}

/* 联系表单面板 */
.contact-form-panel {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.contact-form {
    margin-top: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.form-group label svg {
    width: 18px;
    height: 18px;
    color: var(--primary-color);
}

.required {
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: 0;
    font-size: 14px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(230, 31, 52, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #aaa;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    display: block;
    color: var(--primary-color);
    font-size: 12px;
    margin-top: 5px;
    min-height: 18px;
}

.btn-submit-form {
    width: 100%;
    padding: 16px 30px;
    background: linear-gradient(135deg, #FF0000 0%, #CC0000 100%);
    color: var(--white);
    border: none;
    border-radius: 0;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 5px 20px rgba(230, 31, 52, 0.3);
}

.btn-submit-form:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(230, 31, 52, 0.4);
}

.btn-submit-form svg {
    width: 20px;
    height: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .contact-section::before {
        width: 500px;
        height: 500px;
        top: -200px;
        left: -200px;
    }
    
    .contact-section::after {
        width: 400px;
        height: 400px;
        bottom: -150px;
        right: -100px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-section {
        padding: 40px 0;
    }
}

@media (max-width: 768px) {
    .contact-section::before {
        width: 300px;
        height: 300px;
        top: -100px;
        left: -100px;
    }
    
    .contact-section::after {
        width: 250px;
        height: 250px;
        bottom: -80px;
        right: -80px;
    }
    
    .contact-header h2 {
        font-size: 32px;
    }
    
    .contact-info-panel,
    .contact-form-panel {
        padding: 30px 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .social-links {
        flex-wrap: wrap;
    }
    
    .social-link-item {
        flex: 1;
        min-width: 100px;
        justify-content: center;
    }
}

/* 页脚 */
.footer {
    background: #ffffff;
    color: #333333;
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 固定 4 列布局 */
    gap: 40px;
    margin-bottom: 40px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    align-items: start; /* 确保所有列顶部对齐 */
}

/* 页脚栏目通用样式 */
.footer-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* 左对齐 */
}

/* 确保最后一个 footer-section 也左对齐 */
.footer-section:last-child {
    align-items: flex-start;
    text-align: left;
}

.footer-section:last-child h3 {
    text-align: left;
}

.footer-section:last-child ul {
    text-align: left;
}

.footer-section:last-child li {
    text-align: left;
}

.footer-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
    width: 100%;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #E61F34 0%, #C4182C 100%);
}

/* 页脚第一列 - Logo 列特殊处理 */
.footer-section:first-child {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; /* 从顶部开始 */
    margin-left: -100px; /* 左移 100px */
}

.footer-section:first-child h3::after {
    left: 50%;
    transform: translateX(-50%);
}

.footer-logo {
    height: 150px !important;
    width: auto;
    object-fit: contain;
    display: block;
    margin-bottom: 10px; /* 减小底部间距，让 LOGO 更靠上 */
    margin-left: 0;
    margin-top: -40px; /* 向上移动 40px */
}

.footer-description {
    color: #666666;
    line-height: 1.6;
    margin-bottom: 0;
    margin-top: -40px; /* 向上移动 40px */
    font-size: 15px;
    white-space: nowrap; /* 单行显示 */
}

.footer-section p {
    color: #666666;
    line-height: 1.8;
    margin-bottom: 10px;
}

.footer-section ul li {
    color: #666666;
}

.footer-section ul li a {
    color: #666666;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #FF0000;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
}

/* 联系信息区块样式 - 与其他 footer-section 保持一致 */
.footer-contact-info {
    margin-top: 0;
    padding-top: 0;
    text-align: left;
}

.footer-contact-info p {
    font-size: 16px;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 8px;
    white-space: normal;
    text-align: left;
}

.footer-contact-info p a {
    color: #666666;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 16px;
    font-weight: 400;
    display: inline-block;
}

.footer-contact-info p a:hover {
    color: #FF0000;
}

.footer-bottom {
    border-top: 1px solid #e0e0e0;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #999999;
    font-size: 14px;
    margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 统一移动端版块间距 */
    section {
        padding: 60px 0;
    }
    
    .carousel-section {
        margin-top: 60px;
    }
    
    .services-section,
    .about-section,
    .products-section,
    .partners-section,
    .honors-section,
    .process-section,
    .news-section,
    .contact-section {
        padding: 60px 0;
    }
    
    .navbar .container {
        padding: 8px 20px;
        transition: padding 0.3s ease;
    }

    .navbar.navbar-shrink .container {
        padding: 6px 20px;
    }

    .logo {
        gap: 10px;
    }

    .logo-img {
        height: 65px;
        transition: height 0.3s ease;
    }

    .navbar.navbar-shrink .logo-img {
        height: 55px;
    }

    .logo h1 {
        display: none;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 58px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 15px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    /* 移动端下拉菜单样式 */
    .nav-menu .dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        background: #f8f8f8;
        margin: 10px 0;
        display: none;
        opacity: 1;
        visibility: visible;
        border-radius: 0;
        padding: 0;
    }

    .nav-menu .dropdown.active .dropdown-menu {
        display: block;
    }

    .nav-menu .dropdown-menu li a {
        padding: 14px 30px !important;
        font-size: 15px !important;
    }

    .nav-menu .dropdown-arrow {
        display: inline-block;
        transition: transform 0.3s ease;
    }

    .nav-menu .dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .carousel-section {
        height: 400px;
    }

    .slide-content h2 {
        font-size: 28px;
    }

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

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

    .about-content,
    .about-content-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .about-text {
        padding-right: 0;
        transform: none !important;
    }

    .about-image {
        padding: 0;
        transform: none !important;
    }

    .about-text h2 {
        font-size: 28px !important;
        white-space: normal; /* 手机端允许换行 */
    }

    .about-text h3 {
        font-size: 18px !important;
        white-space: normal; /* 手机端允许换行 */
    }

    .about-text p {
        font-size: 18px !important;
        text-align: left; /* 手机端左对齐 */
    }

    /* 视频容器响应式 - 平板端 */
    .video-wrapper {
        padding: 30px; /* 间距减小 */
    }

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

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

    .process-timeline {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .services-grid,
    .products-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

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

    .partners-wall {
        height: 300px;
    }

    .partner-logo-item {
        width: 120px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    /* 轮播图超小屏幕样式 */
    .hero-carousel {
        height: 400px;
    }
    
    .slide-content {
        padding: 20px;
    }
    
    .slide-title {
        font-size: 28px;
    }
    
    .title-large {
        font-size: 24px;
    }
    
    .title-x {
        font-size: 40px;
    }
    
    .slide-subtitle {
        font-size: 16px;
    }
    
    .slide-description {
        font-size: 12px;
    }
    
    .slide-cta-btn {
        padding: 10px 18px;
        font-size: 11px;
        margin-top: 20px;
    }
    
    .carousel-arrow {
        width: 35px;
        height: 35px;
    }
    
    .carousel-arrow svg {
        width: 18px;
        height: 18px;
    }
    
    .carousel-pagination {
        bottom: 10px; /* 移动端调整 */
        padding: 5px 10px;
        gap: 6px;
    }
    
    .pagination-dot {
        width: 8px;
        height: 8px; /* 更小的指示器 */
    }
    
    .carousel-progress {
        height: 2px; /* 移动端更细 */
    }
    .contact-section {
        padding: 40px 0;
    }
    
    .footer {
        padding: 60px 20px 20px;
    }
    
    .footer-content {
        gap: 40px;
        grid-template-columns: 1fr;
    }
    
    .footer-section {
        text-align: center !important;
        align-items: center !important;
    }
    
    .footer-section h3::after {
        left: 50% !important;
        transform: translateX(-50%) !important;
    }
    
    .footer-description {
        text-align: center !important;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-contact-info {
        text-align: left;
    }
    .navbar .container {
        padding: 8px 15px;
        transition: padding 0.3s ease;
    }

    .navbar.navbar-shrink .container {
        padding: 6px 15px;
    }

    .logo {
        gap: 8px;
    }

    .logo-img {
        height: 55px;
        transition: height 0.3s ease;
    }

    .navbar.navbar-shrink .logo-img {
        height: 48px;
    }

    .logo h1 {
        display: none;
    }

    /* 移动端导航菜单字体调整 */
    .nav-menu li a {
        font-size: 16px;
        padding: 12px 0;
    }

    .slide-content h2 {
        font-size: 22px;
    }

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

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

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

    .process-timeline {
        grid-template-columns: 1fr;
    }

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

    .partners-wall {
        height: 250px;
    }

    .partner-logo-item {
        width: 100px;
        height: 70px;
    }

    .carousel-section {
        height: 400px;
        margin-bottom: 10px;
    }
    
    .services-section {
        padding-top: 20px;
    }

    /* 视频容器响应式 - 手机端 */
    .video-wrapper {
        padding: 20px; /* 间距进一步减小 */
    }
}

/* ========================================
   新轮播图样式 - 1920x1080 全屏展示
   ======================================== */

/* 轮播图容器 - 1920x1080 比例最大化，顶部对齐 */
.hero-carousel-new {
    position: relative;  /* 改回 relative，保持文档流 */
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0 !important;
    overflow: hidden;
    background: #000;
    z-index: 1;
}

/* 轮播图容器 - 完全填充 */
.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 幻灯片容器 - 确保完全填充 */
.carousel-slides-new {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

/* 单个幻灯片 - 完全填充容器 */
.carousel-slide-new {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    background: #000;
    overflow: hidden;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide-new.active {
    display: block;
    opacity: 1;
}

/* 轮播图容器内部元素 - 确保顶部对齐 */
.hero-carousel-new .carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}



.carousel-container,
.carousel-slides-new,
.carousel-slide-new {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 轮播图容器需要 relative 定位来容纳统计条 */
.carousel-container {
    position: relative;
}

/* 单个幻灯片 */
.carousel-slide-new {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease-in-out, visibility 0.6s;
    z-index: 1;
}

.carousel-slide-new.active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

/* 图片容器 - 完全填充，消除黑边和亚像素问题 */
.slide-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    /* 修复 100% 缩放时的亚像素问题 */
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 轮播图图片 - 使用 cover 完全填充，消除黑边 */
.slide-image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    /* 修复图片边缘亚像素问题 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 确保幻灯片完全填充，无黑边 */
.carousel-slide-new {
    background: #000;
}

/* 导航按钮 */
.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #fff;
}

.carousel-nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav-btn svg {
    width: 30px;
    height: 30px;
}

.prev-btn {
    left: 30px;
}

.next-btn {
    right: 30px;
}

/* 底部指示器 */
.carousel-indicators-new {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.5);
    padding: 12px 20px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
}

.carousel-indicator-new {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-indicator-new:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.carousel-indicator-new.active {
    background: #fff;
    border-color: #FF0000;
    transform: scale(1.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-carousel-new {
        /* 使用 vw 单位保持 16:9 比例，56.25vw = 9/16 * 100vw */
        padding-bottom: 56.25%;
    }

    .carousel-nav-btn {
        width: 45px;
        height: 45px;
    }

    .carousel-nav-btn svg {
        width: 22px;
        height: 22px;
    }

    .prev-btn {
        left: 15px;
    }

    .next-btn {
        right: 15px;
    }

    .carousel-indicators-new {
        bottom: 20px;
        padding: 10px 16px;
        gap: 10px;
    }

    .carousel-indicator-new {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .hero-carousel-new {
        /* 移动端继续使用 16:9 比例 */
        padding-bottom: 56.25%;
    }

    .carousel-nav-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-indicators-new {
        padding: 8px 14px;
        gap: 8px;
    }

    .carousel-indicator-new {
        width: 8px;
        height: 8px;
    }
}

/* 超宽屏幕限制最大高度 */
@media (min-width: 1921px) {
    .hero-carousel-new {
        max-height: 1080px;
        padding-bottom: 0;
        height: 1080px;
    }
}

/* ========================================
   统计条组件
   ======================================== */

.stats-banner {
    background: #FF0000;
    padding: 10px 0;
    width: 90%;
    max-width: 1500px;
    margin: -80px auto 0;
    position: relative;
    z-index: 100;
}

.stats-banner * {
    box-shadow: none !important;
    text-shadow: none !important;
    outline: none;
    background: none !important;
}

.stats-container {
    width: 100%;
    margin: 0;
    padding: 0 30px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.stat-item {
    text-align: center;
    color: #ffffff;
    padding: 15px 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: pointer;
}

.stat-item:hover {
    transform: translateY(-5px) !important;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 8px;
    color: #ffffff;
    letter-spacing: 2px;
    line-height: 1;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item:hover .stat-number {
    transform: scale(1.05);
    letter-spacing: 3px;
}

.stat-unit {
    font-size: 20px;
    font-weight: 500;
    margin-left: 4px;
    color: #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item:hover .stat-unit {
    font-weight: 600;
    opacity: 1;
}

.stat-label {
    font-size: 14px;
    font-weight: 400;
    color: #ffffff;
    letter-spacing: 0.5px;
    line-height: 1.4;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item:hover .stat-label {
    font-weight: 500;
    letter-spacing: 0.8px;
    opacity: 0.95;
}

/* 响应式设计 - 平板端 */
@media (max-width: 1024px) {
    .stats-container {
        padding: 0 30px;
        gap: 15px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .stat-unit {
        font-size: 16px;
    }
    
    .stat-label {
        font-size: 12px;
    }
}

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .stats-banner {
        padding: 25px 0;
    }
    
    .stats-container {
        padding: 0 20px;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-unit {
        font-size: 14px;
    }
    
    .stat-label {
        font-size: 11px;
    }
}

/* 响应式设计 - 小屏幕移动端 */
@media (max-width: 480px) {
    .stats-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .stat-unit {
        font-size: 13px;
    }
    
    .stat-label {
        font-size: 12px;
    }
}

/* ========================================
   公司介绍 - 全新等间距布局设计
   核心理念：左边缘间距 = 中间间距 = 右边缘间距
   ======================================== */

.about-section-new {
    background: #FF0000;
    padding: 60px 0;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.about-grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    overflow: visible;
}

.about-header-center {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.about-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 45px;
    align-items: center;
    transform: translateX(-20px);
}

.about-text-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-left: -220px !important;
    width: calc(100% + 200px) !important;
    max-width: none !important;
}

.about-title-main {
    font-size: 40px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
    line-height: 1.2;
    margin: 0;
}

.about-title-sub {
    font-size: 18px;
    font-weight: 500;
    color: #ffffff;
    opacity: 0.95;
    letter-spacing: 1px;
    margin: 0;
}

.about-text-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-left: -260px;
    width: calc(100% + 500px);
}

.about-text-content {
    display: flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
}

/* 文本块通用样式 */
.text-block {
    position: relative;
}

/* 第一段：简介 - 左侧边框强调 */
.intro-block {
    padding-left: 16px;
    border-left: 3px solid rgba(255, 255, 255, 0.7);
}

.intro-text {
    font-size: 18px;
    line-height: 1.8;
    color: #ffffff;
    opacity: 0.95;
    margin: 0;
    text-align: justify;
    text-justify: inter-ideograph;
    font-weight: 400;
}

/* 核心优势区块 */
.advantage-block {
    background: rgba(255, 255, 255, 0.06);
    padding: 14px 14px;
    padding-left: 16px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-left: 3px solid rgba(255, 255, 255, 0.7);
}

.advantage-text {
    font-size: 18px;
    line-height: 1.7;
    color: #ffffff;
    opacity: 0.9;
    margin: 0;
    text-align: justify;
    text-justify: inter-ideograph;
    padding-left: 18px;
}

/* 业务范围块 */
.service-block {
    background: rgba(255, 255, 255, 0.08);
    padding: 14px 14px;
    padding-left: 16px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-left: 3px solid rgba(255, 255, 255, 0.7);
}

.block-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.block-title svg {
    width: 16px;
    height: 16px;
    color: #ffffff;
    flex-shrink: 0;
}

.service-text,
.mission-text {
    font-size: 18px;
    line-height: 1.7;
    color: #ffffff;
    opacity: 0.9;
    margin: 0;
    text-align: justify;
    text-justify: inter-ideograph;
}

/* 企业理念块 */
.mission-block {
    background: rgba(255, 255, 255, 0.1);
    padding: 14px 14px 14px 14px;
    padding-left: 16px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-left: 3px solid rgba(255, 255, 255, 0.7);
    position: relative;
    overflow: hidden;
}

.about-video-col {
    display: block; /* 改为 block，让视频可以自由放大 */
    width: 100%;
}

.video-container-new {
    position: relative;
    width: calc(100% + 280px); /* 再放大 80px，总共放大 280px */
    max-width: none;
    aspect-ratio: 16 / 9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
    border: 2px solid rgba(255, 255, 255, 0.25);
    margin-left: -30px; /* 向左移动 10px：从 -20px 改为 -30px */
}

.company-video-new {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.video-poster-new {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 10;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.video-container-new.video-loading .video-poster-new,
.video-container-new:not(.video-playing) .video-poster-new {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.video-container-new.video-playing .video-poster-new {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: -1;
}

.video-play-button-new {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid rgba(255, 255, 255, 0.8);
    pointer-events: auto;
}

.video-play-button-new:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: translate(-50%, -50%) scale(1.1);
    border-color: #ffffff;
}

.video-play-button-new svg {
    width: 40px;
    height: 40px;
    margin-left: 5px;
}

.video-container-new.video-playing .video-play-button-new {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: -1;
}

.video-loading-spinner-new {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 15;
    color: #ffffff;
    font-size: 14px;
}

.spinner-new {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin-new 1s linear infinite;
}

@keyframes spin-new {
    to { transform: rotate(360deg); }
}

.video-container-new.video-loaded .video-loading-spinner-new,
.video-container-new.video-playing .video-loading-spinner-new {
    display: none;
}

/* 响应式设计 - 平板端 */
@media (max-width: 1024px) {
    .about-grid-container {
        gap: 20px;
        padding: 0 30px;
    }

    .about-content-grid {
        gap: 25px;
    }

    .about-title-main {
        font-size: 32px;
    }

    .about-title-sub {
        font-size: 16px;
    }

    .block-title {
        font-size: 13px;
    }

    .intro-block,
    .advantage-block,
    .service-block,
    .mission-block {
        padding: 12px 14px;
    }
    
    /* 优化：平板端保持左侧位置，让文本向右延伸 */
    .about-text-col {
        margin-left: 0; /* 平板端也取消左偏移 */
    }
}

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .about-section-new {
        padding: 40px 0;
    }

    .about-grid-container {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }

    .about-header-center {
        gap: 6px;
    }

    .about-content-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .about-text-col {
        order: 2;
    }

    .about-video-col {
        order: 1;
    }

    .about-title-main {
        font-size: 26px;
        line-height: 1.2;
    }

    .about-title-sub {
        font-size: 14px;
    }

    .about-text-content {
        gap: 10px;
    }

    .block-title {
        font-size: 12px;
    }

    .block-title svg {
        width: 14px;
        height: 14px;
    }

    .intro-block {
        padding-left: 12px;
    }

    .advantage-block,
    .service-block,
    .mission-block {
        padding: 10px 12px;
    }

    .mission-block {
        padding-left: 16px;
    }

    .intro-text,
    .advantage-text,
    .service-text,
    .mission-text {
        font-size: 18px;
        line-height: 1.6;
    }

    .advantage-text {
        padding-left: 24px;
    }

    .video-container-new {
        border-radius: 6px;
    }

    .video-play-button-new {
        width: 40px;
        height: 40px;
    }

    .video-play-button-new svg {
        width: 20px;
        height: 20px;
    }
}

/* 响应式设计 - 小屏幕移动端 */
@media (max-width: 480px) {
    .about-section-new {
        padding: 30px 0;
    }

    .about-grid-container {
        padding: 0 16px;
        gap: 16px;
    }

    .about-header-center {
        gap: 5px;
    }

    .about-content-grid {
        gap: 16px;
    }

    .about-title-main {
        font-size: 22px;
    }

    .about-title-sub {
        font-size: 13px;
    }

    .about-text-content {
        gap: 8px;
    }

    .block-title {
        font-size: 11px;
    }

    .block-title svg {
        width: 12px;
        height: 12px;
    }

    .intro-block {
        padding-left: 10px;
    }

    .advantage-block,
    .service-block,
    .mission-block {
        padding: 8px 10px;
    }

    .mission-block {
        padding-left: 14px;
    }

    .intro-text,
    .advantage-text,
    .service-text,
    .mission-text {
        font-size: 11px;
        line-height: 1.5;
    }

    .advantage-text {
        padding-left: 22px;
    }

    .video-play-button-new {
        width: 35px;
        height: 35px;
    }

    .video-play-button-new svg {
        width: 18px;
        height: 18px;
    }
}

/* ========================================
   联系我们 - 全新卡片式设计
   ======================================== */

.contact-section-new {
    background: #FF0000;
    padding: 80px 0;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.contact-section-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
}

.contact-header-new {
    text-align: center;
    margin-bottom: 50px;
}

.contact-header-new h2 {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.contact-header-new p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.9);
}

.contact-cards-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ========== 联系我们卡片优化设计 ========== */

.contact-card {
    position: relative;
    padding: 35px 30px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
    background: #ffffff;
    border: 2px solid rgba(222, 41, 16, 0.3);
    border-radius: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    width: 260px;
    min-width: 260px;
    min-height: 260px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    background: #ffffff;
    border-color: #DE2910;
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.contact-card-icon {
    width: 100px;
    height: 100px;
    min-width: 100px;
    min-height: 100px;
    margin: 0 auto 0px;
    background: transparent;
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-sizing: border-box;
    flex-shrink: 0;
    box-shadow: none;
}

.contact-card:hover .contact-card-icon {
    background: transparent; /* 保持透明背景 */
    border-color: transparent; /* 保持透明边框 */
    transform: scale(1.05);
    box-shadow: none; /* 移除黄色发光效果 */
}

.contact-card-icon svg {
    width: 70px;
    height: 70px;
    min-width: 70px;
    min-height: 70px;
    color: #FF0000; /* 纯红色 RGB(255,0,0) */
    transition: all 0.3s ease;
    display: block;
    transform: translateY(-10px);
}

.contact-card:hover .contact-card-icon svg {
    color: #FF0000; /* 悬停时保持纯红色 */
    transform: scale(1.05);
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.contact-card:hover h3 {
    color: #C91F37;
    letter-spacing: 1.2px;
}

.contact-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-word;
}

.contact-card h3 {
    font-size: 19px;
    font-weight: 700;
    color: #8B1A1A;
    margin-bottom: 8px;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card:hover h3 {
    color: #DE2910;
    letter-spacing: 3.5px;
    text-shadow: 0 2px 8px rgba(222, 41, 16, 0.3);
}

.contact-card p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 二维码区域 */
.qrcode-section-new {
    text-align: center;
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
}

.qrcode-box-new {
    background: rgba(255, 255, 255, 0.95);
    padding: 25px 35px;
    border-radius: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid rgba(255, 215, 0, 0.4);
    transition: all 0.3s ease;
    width: 280px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qrcode-box-new:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 215, 0, 0.8);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15), 0 0 30px rgba(255, 215, 0, 0.3);
}

.qrcode-pic-new {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 0;
    display: block;
    margin: 0 auto;
}

.qrcode-tip-new {
    font-size: 15px;
    color: #333;
    font-weight: 500;
    margin: 0;
    margin-top: 15px;
}

/* 响应式设计 - 平板端 */
@media (max-width: 1024px) {
    .contact-cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .contact-header-new h2 {
        font-size: 30px;
    }

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

    .contact-card-icon {
        width: 60px;
        height: 60px;
    }

    .contact-card-icon svg {
        width: 30px;
        height: 30px;
    }

    .contact-card h3 {
        font-size: 16px;
    }

    .contact-card p {
        font-size: 13px;
    }

    /* 项目案例模块响应式 */
    .case-preview-item {
        gap: 15px;
    }
    
    .case-preview-image-wrapper {
        width: 35%;
        min-width: 150px;
    }
    
    .case-preview-image {
        height: 120px;
    }
    
    .case-preview-content-wrapper {
        padding: 15px;
    }
    
    .case-preview-title {
        font-size: 16px;
    }
    
    .case-preview-description {
        font-size: 13px;
    }
}

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .contact-section-new {
        padding: 60px 0;
    }

    .contact-header-new {
        margin-bottom: 35px;
    }

    .contact-header-new h2 {
        font-size: 26px;
    }

    .contact-header-new p {
        font-size: 14px;
    }

    .contact-cards-grid {
        gap: 20px;
        margin-top: 40px;
        margin-bottom: 35px;
    }

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

    .contact-card-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 12px;
    }

    .contact-card-icon svg {
        width: 32px;
        height: 32px;
    }

    .contact-card h3 {
        font-size: 16px;
        letter-spacing: 2px;
    }

    .contact-card p {
        font-size: 13px;
    }

    /* 项目案例模块响应式 */
    .case-preview-item {
        flex-direction: column;
        gap: 0;
    }
    
    .case-preview-image-wrapper {
        width: 100%;
        min-width: auto;
    }
    
    .case-preview-image {
        height: 200px;
    }
    
    .case-preview-content-wrapper {
        padding: 15px;
    }
    
    .case-preview-title {
        font-size: 16px;
    }
    
    .case-preview-description {
        font-size: 13px;
    }
    
    .view-more-btn {
        padding: 10px 30px;
        font-size: 14px;
    }
}

/* 响应式设计 - 小屏幕移动端 */
@media (max-width: 480px) {
    .contact-section-new {
        padding: 50px 0;
    }

    .contact-header-new h2 {
        font-size: 22px;
    }

    .contact-header-new p {
        font-size: 13px;
    }

    .contact-cards-grid {
        gap: 15px;
        margin-top: 30px;
        margin-bottom: 30px;
    }

    .contact-card {
        padding: 18px 25px;
    }

    .contact-card-icon {
        width: 35px;
        height: 35px;
        margin-bottom: 10px;
    }

    .contact-card-icon svg {
        width: 28px;
        height: 28px;
    }

    .contact-card h3 {
        font-size: 14px;
        letter-spacing: 1.5px;
    }

    .contact-card p {
        font-size: 12px;
    }

    .qrcode-box-new {
        padding: 18px 22px;
    }

    .qrcode-tip-new {
        font-size: 13px;
    }
}

/* ========== 超宽屏幕适配优化 (>=1920px) ========== */
@media (min-width: 1920px) {
    html {
        /* 超宽屏幕适当增大基础字体，但不过度拉伸 */
        font-size: 18px;
    }
    
    .container {
        /* 增大最大宽度，但保持合理范围 */
        max-width: 1600px;
        padding: 0 40px;
    }
    
    /* 导航栏优化 */
    .navbar .container {
        max-width: 1920px;
        padding: 0 60px;
    }
    
    /* 轮播图优化 */
    .hero-carousel {
        height: 800px;
        max-height: 1000px;
    }
    
    .slide-content {
        width: 45%;
        padding: 80px;
    }
    
    .slide-title {
        font-size: 80px;
    }
    
    .title-large {
        font-size: 72px;
    }
    
    .title-x {
        font-size: 108px;
    }
    
    .slide-subtitle {
        font-size: 32px;
    }
    
    .slide-description {
        font-size: 18px;
    }
    
    /* 服务模块 */
    .services-section {
        padding: 100px 0;
    }
    
    /* 关于我们模块 */
    .about-section {
        padding: 120px 0;
    }
    
    /* 产品模块 */
    .products-section {
        padding: 80px 0 120px 0;
    }
    
    /* 项目案例网格优化 - 增加列数 */
    .cases-preview-list {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
        gap: 30px;
    }
    
    .case-preview-image-wrapper {
        height: 280px;
    }
    
    /* 供应商网格优化 */
    .partners-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 40px;
    }
    
    /* 荣誉证书网格 */
    .honors-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
    }
    
    /* 联系方式模块 */
    .contact-section-new {
        padding: 120px 0;
    }
    
    .contact-cards-grid {
        gap: 40px;
    }
    
    .contact-card {
        padding: 40px 50px;
    }
    
    /* 页脚优化 */
    .footer {
        padding: 100px 60px 60px;
    }
    
    .footer-grid {
        max-width: 1600px;
        gap: 80px 60px;
    }
}

/* ========== 超超宽屏幕适配 (>=2560px, 4K 屏) ========== */
@media (min-width: 2560px) {
    html {
        font-size: 20px;
    }
    
    .container {
        max-width: 2000px;
        padding: 0 60px;
    }
    
    .hero-carousel {
        height: 900px;
        max-height: 1200px;
    }
    
    .slide-content {
        width: 40%;
        padding: 100px;
    }
    
    .slide-title {
        font-size: 96px;
    }
    
    .title-large {
        font-size: 84px;
    }
    
    .title-x {
        font-size: 120px;
    }
    
    /* 网格系统进一步优化 */
    .cases-preview-list {
        grid-template-columns: repeat(auto-fill, minmax(450px, 1fr));
        gap: 40px;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 50px;
    }
    
    .honors-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
        gap: 40px;
    }
}

/* ========== 带鱼屏适配 (21:9 及更宽比例) ========== */
@media (min-aspect-ratio: 21/9) {
    .container {
        /* 限制最大宽度，避免内容过度分散 */
        max-width: 1800px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-carousel {
        /* 保持合理高度，避免过度拉伸 */
        max-height: 1000px;
    }
    
    .slide-content {
        /* 限制内容宽度，保持可读性 */
        max-width: 700px;
    }
    
    /* 多列布局增加列数 */
    .cases-preview-list {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

/* ========== 响应式优化增强 ========== */

/* 大屏幕优化 (1440px - 1920px) */
@media (min-width: 1440px) and (max-width: 1919px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-carousel {
        height: 750px;
    }
    
    .cases-preview-list {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

/* 中等屏幕优化 (1024px - 1440px) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .container {
        max-width: 1000px;
    }
    
    .navbar .container {
        padding: 0 30px;
    }
    
    .hero-carousel {
        height: 600px;
    }
    
    .slide-title {
        font-size: 56px;
    }
    
    .title-large {
        font-size: 48px;
    }
    
    .title-x {
        font-size: 72px;
    }
}

/* ========== 通用响应式改进 ========== */

/* 确保所有图片响应式 */
img {
    max-width: 100%;
    height: auto;
}

/* 确保视频响应式 */
video {
    max-width: 100%;
    height: auto;
}

/* 使用 clamp() 函数实现流体排版 */
@media (min-width: 768px) {
    :root {
        /* 字体大小在 16px 到 20px 之间平滑变化 */
        font-size: clamp(16px, 1vw + 14px, 20px);
    }
}

/* 防止长文本溢出 */
p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
}

/* 确保表格响应式 */
table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}

/* 确保 iframe 响应式 */
iframe {
    max-width: 100%;
    border: none;
}

/* 优化触摸目标大小 */
@media (pointer: coarse) {
    button, a, input, select, textarea {
        min-height: 44px;
        min-width: 44px;
    }
}

/* 打印样式优化 */
@media print {
    .navbar,
    .hero-carousel,
    .carousel-pagination,
    .carousel-progress,
    .carousel-arrow {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
}

/* ========================================
   带鱼屏内容拉伸增强样式
   确保内容充满整个屏幕空间
   ======================================== */

/* 21:9 带鱼屏（2560x1080 及以上） */
@media (min-aspect-ratio: 21/9) and (min-width: 2560px) {
    /* 全局容器拉伸 */
    .container {
        max-width: 100% !important;
        width: 100% !important;
        padding-left: 2vw !important;
        padding-right: 2vw !important;
    }
    
    /* 导航栏拉伸 */
    .navbar .container {
        max-width: 100% !important;
        padding-left: 3vw !important;
        padding-right: 3vw !important;
    }
    
    /* 轮播图内容拉伸 */
    .hero-carousel,
    .hero-carousel-new {
        max-width: 100% !important;
        width: 100% !important;
    }
    
    .slide-content {
        width: 60% !important;
        max-width: none !important;
        padding-left: 4vw !important;
        padding-right: 4vw !important;
    }
    
    /* 统计条拉伸 */
    .stats-banner {
        max-width: 100% !important;
        width: 95% !important;
    }
    
    .stats-container {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 2vw !important;
    }
    
    /* 服务模块拉伸 */
    .services-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 2vw !important;
    }
    
    /* 关于我们模块拉伸 */
    .about-content-grid {
        gap: 4vw !important;
    }
    
    .about-text-col {
        margin-left: 0 !important;
        width: 100% !important;
    }
    
    .video-container-new {
        width: 100% !important;
        margin-left: 0 !important;
    }
    
    /* 产品模块拉伸 */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)) !important;
        gap: 2vw !important;
    }
    
    /* 项目案例拉伸 */
    .cases-preview-list {
        grid-template-columns: repeat(auto-fill, minmax(450px, 1fr)) !important;
        gap: 2vw !important;
    }
    
    /* 合作伙伴拉伸 */
    .partners-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)) !important;
        gap: 2vw !important;
    }
    
    /* 荣誉证书和授权证书拉伸 */
    .honors-carousel,
    .certificates-carousel {
        width: 100% !important;
        max-width: 100% !important;
    }
    
    /* 新闻资讯拉伸 */
    .news-slider-container {
        max-width: 100% !important;
        width: 95% !important;
    }
    
    /* 流程模块拉伸 */
    .process-timeline {
        max-width: 100% !important;
        padding-left: 4vw !important;
        padding-right: 4vw !important;
    }
    
    /* 联系模块拉伸 */
    .contact-wrapper {
        max-width: 100% !important;
        gap: 3vw !important;
    }
    
    /* 页脚拉伸 */
    .footer-content {
        max-width: 100% !important;
        gap: 3vw !important;
    }
}

/* 32:9 超宽带鱼屏（3840x1080 及以上） */
@media (min-aspect-ratio: 32/9) and (min-width: 3840px) {
    /* 全局容器完全拉伸 */
    .container {
        max-width: 100% !important;
        width: 100% !important;
        padding-left: 1.5vw !important;
        padding-right: 1.5vw !important;
    }
    
    /* 导航栏完全拉伸 */
    .navbar .container {
        max-width: 100% !important;
        padding-left: 2vw !important;
        padding-right: 2vw !important;
    }
    
    /* 轮播图内容完全拉伸 */
    .slide-content {
        width: 65% !important;
        padding-left: 5vw !important;
        padding-right: 5vw !important;
    }
    
    /* 统计条完全拉伸 */
    .stats-banner {
        width: 98% !important;
    }
    
    .stats-container {
        gap: 1.5vw !important;
    }
    
    /* 服务网格增加列数 */
    .services-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 1.5vw !important;
    }
    
    /* 产品网格自适应更多列 */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(450px, 1fr)) !important;
        gap: 1.5vw !important;
    }
    
    /* 项目案例自适应更多列 */
    .cases-preview-list {
        grid-template-columns: repeat(auto-fill, minmax(500px, 1fr)) !important;
        gap: 1.5vw !important;
    }
    
    /* 合作伙伴网格增加列数 */
    .partners-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)) !important;
        gap: 1.5vw !important;
    }
    
    /* 关于我们内容完全拉伸 */
    .about-content-grid {
        gap: 3vw !important;
    }
    
    /* 视频容器完全拉伸 */
    .video-container-new {
        width: 100% !important;
    }
    
    /* 联系模块完全拉伸 */
    .contact-wrapper {
        gap: 2vw !important;
    }
    
    /* 页脚完全拉伸 */
    .footer-content {
        gap: 2vw !important;
    }
    
    /* 流程时间轴完全拉伸 */
    .process-timeline {
        padding-left: 3vw !important;
        padding-right: 3vw !important;
        gap: 2vw !important;
    }
}

/* 超宽矮屏优化（宽度很大但高度很小） */
@media (min-width: 2560px) and (max-height: 800px) {
    /* 减小垂直间距 */
    section {
        padding-top: 30px !important;
        padding-bottom: 30px !important;
    }
    
    /* 紧凑布局 */
    .navbar {
        padding: 8px 0;
    }
    
    /* 减小轮播图高度 */
    .hero-carousel,
    .hero-carousel-new {
        height: 80vh !important;
        max-height: 900px !important;
    }
    
    /* 减小统计条高度 */
    .stats-banner {
        padding: 15px 0;
    }
    
    .stat-number {
        font-size: clamp(36px, 3vw, 48px);
    }
    
    .stat-label {
        font-size: clamp(12px, 1vw, 14px);
    }
    
    /* 减小标题大小 */
    .section-header h2 {
        font-size: clamp(32px, 2.5vw, 42px);
    }
    
    /* 优化卡片高度 */
    .product-card,
    .service-card,
    .news-card {
        min-height: auto;
    }
}

/* ===== 二维码弹窗样式 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none; /* 默认隐藏 */
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    position: relative;
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    border: none;
    background: #f5f5f5;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: #e0e0e0;
    color: #333;
    transform: rotate(90deg);
}

.modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.modal-qrcode-pic {
    width: 280px;
    height: 280px;
    object-fit: contain;
    border-radius: 8px;
}

.modal-qrcode-tip {
    font-size: 16px;
    color: #333;
    font-weight: 500;
    margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
    .modal-content {
        padding: 20px;
    }
    
    .modal-qrcode-pic {
        width: 220px;
        height: 220px;
    }
}