/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 移动端基础样式 */
/* 移动设备渲染设置 */
@-webkit-viewport { width: device-width; }
@-moz-viewport { width: device-width; }
@-ms-viewport { width: device-width; }
@-o-viewport { width: device-width; }
@viewport { width: device-width; }

/* 移动菜单按钮基础样式 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-primary);
}

/* 移动菜单背景遮罩 */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
}

:root {
    /* 主题色彩（金色系 - 呼应 logo #af7e33，搭配白色） */
    --primary-color: #af7e33;
    --primary-dark: #8a6228;
    --primary-light: #c99a4f;
    --secondary-color: #c9974a;
    --secondary-dark: #a87b2e;
    --accent-color: #caa86a;
    --accent-dark: #a8863f;
    
    /* 中性色彩 */
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --dark-border: #334155;
    --light-bg: #ffffff;
    --light-surface: #f8fafc;
    --light-border: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* 渐变色彩 */
    --gradient-primary: linear-gradient(135deg, #c99a4f 0%, #8a6228 100%);
    --gradient-secondary: linear-gradient(135deg, #d9ab5a 0%, #a87b2e 100%);
    --gradient-accent: linear-gradient(135deg, #caa86a 0%, #a8863f 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    
    /* 阴影效果 */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* 动画参数 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* 字体设置 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: var(--dark-bg);
        --surface-color: var(--dark-surface);
        --border-color: var(--dark-border);
        --text-color: var(--light-surface);
        --text-secondary: var(--text-muted);
    }
}

/* 基础样式 */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

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

/* Logo图片基础样式 */
.logo-image {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 加载动画中的logo样式 - 大幅增大尺寸并减小下边距 */
.loading-logo .logo-image {
    width: 560px;
    max-width: 88vw;
    /* height: 260px; */
    object-fit: contain;
    margin: 0 auto 10px; /* 水平居中，减小下边距 */
}

/* 确保加载动画内容整体居中 */
.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 导航栏中的logo样式 - 移除背景，大幅增大尺寸 */
.nav-logo .logo-image {
    width: 160px;
    height: 120px;
    object-fit: contain;
    background: none; /* 确保没有背景 */
}

/* 移除导航栏logo图标的背景 */
.nav-logo .logo-icon {
    background: none;
    padding: 0;
    margin: 0;
    animation: none; /* 去掉导航栏logo的浮动动画 */
}

/* 导航栏logo文字样式 */
.nav-logo .logo-text {
    display: flex;
    align-items: center;
    margin-left: 5px;
    margin-top: 10px;
    padding-left: 8px;
    border-left: 2px solid var(--primary-color);
}

.nav-logo .logo-text p {
    font-size: 17px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #c99a4f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.5px;
    line-height: 1.4;
}

/* 大屏幕优化 - 当屏幕宽度大于1920px时放大logo */
@media (min-width: 1921px) {
    .nav-logo .logo-image {
        width: 170px;
        height: 170px;
    }
    
    .nav-logo .logo-text p {
        font-size: 19px;
    }
}

/* 招商政策样式 */
.investment-policy-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.investment-policy-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.policy-header {
    text-align: center;
    margin-bottom: 40px;
}

.policy-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.policy-header p {
    color: var(--text-secondary);
}

.policy-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.policy-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--light-surface);
    border-radius: 15px;
    transition: all var(--transition-fast);
}

.policy-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.policy-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.policy-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.policy-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.policy-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

/* 卡片内部内容容器 */
.policy-card .policy-content {
    flex: 1;
}

.policy-contact {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.policy-contact p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.policy-contact .btn {
    padding: 10px 24px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .investment-policy-container {
        padding: 30px 20px;
    }
    
    .policy-header h3 {
        font-size: 1.8rem;
    }
    
    .policy-content {
        gap: 20px;
    }
    
    .policy-card {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    .policy-header h3 {
        font-size: 1.5rem;
    }
    
    .policy-card h4 {
        font-size: 1.2rem;
    }
    
    .policy-contact .btn {
        font-size: 1rem;
        padding: 10px 25px;
    }
}

/* 加载动画 */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 明亮基调：中心纯白（与 logo 白底无缝融合），向四周晕出极淡的暖金氛围 */
    background:
        radial-gradient(circle at 50% 42%, #ffffff 0%, #ffffff 34%, #faf6ee 72%, #f3ebdb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
}

.loading-logo {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.loading-text {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    animation: loadingFade 1.5s ease-in-out 0s 1 forwards;
}

.loading-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.18em;
    margin-bottom: 2.25rem;
    opacity: 0;
    animation: loadingFade 1.2s ease-out 0.3s 1 forwards;
}

.loading-bar {
    width: 220px;
    height: 4px;
    background: rgba(15, 23, 42, 0.08);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(175, 126, 51, 0.45);
    animation: loadingProgress 2s ease-in-out 0s 1 forwards;
}

@keyframes loadingFade {
    0% { opacity: 0; transform: translateY(6px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes loadingProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* 加载动画响应式样式 - 大屏幕优化 */
@media (min-width: 1920px) {
    .loading-logo .logo-image {
        width: 680px;
    }
    
    .loading-subtitle {
        font-size: 1.8rem;
    }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--light-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    box-sizing: border-box;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    /* width: 150px; */
    /* height: 45px; */
    background: var(--gradient-primary);
    border-radius: 12px;
    /* display: flex; */
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.logo-text h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    padding: 10px 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: all var(--transition-normal);
}

.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);
}



/* 首页横幅 - 跑马灯效果 */
.hero-carousel {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
    box-sizing: border-box;
}

.hero-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* 轮播项容器 - 走马灯效果，固定2秒滚动时间 */
.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 2s ease-in-out;
}

.carousel-slide {
    position: relative;
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
    min-width: 100%;
}

/* 工业化风格的overlay - 增强工业感 */
.industrial-overlay {
    background: linear-gradient(135deg, rgba(5, 15, 30, 0.8) 0%, rgba(15, 30, 50, 0.6) 100%);
    backdrop-filter: saturate(1.2);
}

/* 企业愿景风格的overlay */
.vision-overlay {
    background: linear-gradient(180deg, rgba(30, 30, 60, 0.7) 0%, rgba(10, 10, 30, 0.6) 100%);
}

/* 调整滚动指示器位置 */
.scroll-indicator.adjusted-position {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

/* 企业愿景内容样式 */
.vision-content .hero-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* 亮点卡片布局 */
.vision-highlights {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2.5rem 0;
    flex-wrap: wrap;
}

.highlight-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 120px;
    transition: all var(--transition-normal);
}

.highlight-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.highlight-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.highlight-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .vision-highlights {
        gap: 1rem;
    }
    
    .highlight-card {
        min-width: 100px;
        padding: 1rem;
    }
    
    .highlight-icon {
        font-size: 2rem;
    }
    
    .highlight-text {
        font-size: 1rem;
    }
}

/* 轮播控制器 - 默认隐藏，鼠标悬停时显示 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

/* 鼠标移入轮播区域显示左右箭头 */
.hero-carousel:hover .carousel-control.prev,
.hero-carousel:hover .carousel-control.next {
    opacity: 1;
    visibility: visible;
}

/* 轮播背景样式 */
.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    z-index: -2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(17, 24, 39, 0.6) 0%, rgba(17, 24, 39, 0.85) 100%);
    z-index: 0;
}

/* 企业品牌墙覆盖层 */
.brands-overlay {
    background: linear-gradient(to bottom, rgba(17, 24, 39, 0.7) 0%, rgba(17, 24, 39, 0.9) 100%);
}

/* 品牌墙标题高亮 */
.carousel-slide:nth-child(2) .hero-title .highlight {
    color: #af7e33;
    font-weight: 700;
}

/* 品牌墙内容容器 */
.brands-content {
    text-align: center;
    max-width: 1200px;
    padding: 60px 20px;
    position: relative;
    z-index: 100 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    height: 100% !important;
    flex: 1;
}

/* 合并后的左右分栏布局容器 */
.merged-content {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
    width: 100% !important;
    max-width: 1600px !important;
    margin: 0 auto !important;
    padding: 0 5% !important;
    height: 100% !important;
    gap: 4rem !important;
    position: relative;
    z-index: 100 !important;
}

/* 中间分隔线 */
.merged-content::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: linear-gradient(180deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 20%, 
        rgba(255, 255, 255, 0.5) 50%, 
        rgba(255, 255, 255, 0.3) 80%, 
        transparent 100%);
    z-index: 1;
}

/* 左侧公司信息区域 */
.merged-content .company-info {
    flex: 0 0 42%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2.5rem 2rem;
    position: relative;
    z-index: 101;
    opacity: 0;
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.2s;
}

/* 左侧装饰元素 */
.merged-content .company-info::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(45, 106, 213, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse-glow 6s ease-in-out infinite;
}

/* 右侧品牌信息区域 */
.merged-content .brand-info {
    flex: 0 0 53%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 101;
    opacity: 0;
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.4s;
}

/* 右侧装饰元素 */
.merged-content .brand-info::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse-glow 8s ease-in-out infinite reverse;
}

/* 脉冲发光动画 */
@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

/* 品牌信息内部布局 */
.merged-content .brand-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    justify-content: center;
    align-items: center;
}

/* 品牌文本容器 */
.merged-content .brand-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    text-align: center;
    max-width: 90%;
}

/* 合并后的标题样式 */
.merged-content .hero-title {
    font-size: 2.3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.3rem;
    letter-spacing: -0.03em;
    position: relative;
    display: inline-block;
    opacity: 0;
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.3s;
}

.merged-content .company-info .hero-title .title-line {
    color: #ffffff;
    text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.7), 0 0 30px rgba(45, 106, 213, 0.4);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    animation: none;
    position: relative;
}

.merged-content .company-info .hero-title .title-line::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #af7e33, transparent);
    border-radius: 2px;
}

.merged-content .brand-info .hero-title {
    font-size: 2.2rem;
}

.merged-content .brand-info .hero-title .highlight {
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6), 0 0 20px rgba(45, 106, 213, 0.3);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    animation: none;
    opacity: 1;
}

/* 标题闪光动画 */
@keyframes title-shine {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.1);
    }
}

/* 淡入动画 */
@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* 缩放+淡入动画 */
@keyframes scale-in {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* 模糊到清晰动画 */
@keyframes blur-in {
    0% {
        opacity: 0;
        filter: blur(10px);
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        filter: blur(0);
        transform: scale(1);
    }
}

/* 淡入上移动画 */
@keyframes fade-in-up {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 合并后的描述文字样式 */
.merged-content .hero-description {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    margin-bottom: 0;
    max-width: 90%;
    font-weight: 400;
    opacity: 0;
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.5s;
}

.merged-content .company-info .hero-description {
    margin-bottom: 1.8rem;
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
    position: relative;
    padding: 0 1rem;
}

.merged-content .company-info .hero-description::before {
    content: '"';
    position: absolute;
    left: -0.5rem;
    top: -0.5rem;
    font-size: 3rem;
    color: rgba(45, 106, 213, 0.3);
    font-family: Georgia, serif;
    line-height: 1;
}

.merged-content .brand-info .highlight-text {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.1rem;
    line-height: 1.6;
}

/* 合并后的按钮样式 */
.merged-content .hero-buttons {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    align-items: center;
    margin-top: 0.5rem;
}

/* 合并后的图片容器 */
.merged-content .center-image-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 540px;
    height: 340px;
    border-radius: 16px;
    overflow: hidden;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.5));
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.merged-content .center-clear-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    object-fit: contain;
    object-position: center;
    opacity: 0;
    animation: blur-in 1s ease-out forwards;
    animation-delay: 0.9s;
}

/* 合并后的按钮优化 */
.merged-content .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
    opacity: 0;
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.7s;
}

.merged-content .company-info .btn {
    position: relative;
    z-index: 1;
}

.merged-content .company-info .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.merged-content .company-info .btn:hover::before {
    left: 100%;
}

.merged-content .btn-primary {
    background: linear-gradient(135deg, #c99a4f 0%, #8a6228 100%);
    color: white;
    border: none;
    box-shadow: 0 10px 25px rgba(45, 106, 213, 0.45);
}

.merged-content .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(45, 106, 213, 0.55);
    background: linear-gradient(135deg, #8a6228 0%, #c99a4f 100%);
}

.merged-content .btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.merged-content .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.merged-content .btn i {
    margin-left: 0.6rem;
    transition: transform 0.3s ease;
}

.merged-content .btn:hover i {
    transform: translateX(5px);
}

.merged-content .btn-secondary i {
    margin-left: 0.6rem;
    margin-right: 0.6rem;
}

/* 品牌墙文本内容样式 */
.brands-content .hero-text {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 101 !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

/* 品牌墙样式 - 水平滚动卡片设计 */
.brands-wall {
    display: block;
    position: relative;
    z-index: 12;
    opacity: 1;
    visibility: visible;
    margin-top: 30px;
    width: 100%;
    max-width: 100%;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* 水平滚动品牌墙容器 */
.brands-wall.horizontal-scroll {
    overflow: hidden;
}

.brands-scroll-container {
    position: relative;
    overflow: hidden;
    margin: 0 -10px;
}

.brands-scroll-wrapper {
    display: flex;
    gap: 20px;
    padding: 10px;
    transition: transform 0.3s ease;
}

/* 品牌卡片样式 */
.brand-card {
    flex: 0 0 auto;
    width: 280px;
    height: 180px;
    perspective: 1000px;
    cursor: pointer;
}

.brand-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.brand-card:hover .brand-card-inner {
    transform: rotateY(180deg);
}

.brand-card-front,
.brand-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.brand-card-front {
    background: rgba(255, 255, 255, 0.9);
    color: #333;
}

.brand-card-back {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    transform: rotateY(180deg);
}

.brand-logo-large {
    max-width: 120px;
    max-height: 80px;
    object-fit: contain;
}

.brand-card-back h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.brand-card-back p {
    font-size: 14px;
    line-height: 1.5;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* 滚动控制按钮 */
.scroll-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
    z-index: 10;
    pointer-events: none;
}

.scroll-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    pointer-events: all;
    font-size: 18px;
}

.scroll-btn:hover {
    background: #fff;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.prev-scroll {
    margin-left: -20px;
}

.next-scroll {
    margin-right: -20px;
}

/* 轮播相关样式 */
.carousel-slide {
    position: relative;
    width: 100%;
    opacity: 0;
    transition: opacity 1.2s ease;
}

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

/* 第二屏优化样式 - 虚化背景和左右布局 */
/* 虚化背景图 */
.carousel-slide:nth-child(2) .hero-bottom-image {
    filter: blur(9px) brightness(0.7);
    transform: scale(1); /* 稍微放大背景图以填充边缘 */
}

/* 增强蒙层效果 */
.carousel-slide:nth-child(2) .brands-overlay {
    background-color: rgba(0, 0, 0, 0.4);
}

/* 第二屏左右布局 - 修复白边问题 */
.carousel-slide:nth-child(2) .hero-content.brands-content.flex-layout {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    padding: 3rem 1rem;
    height: 100%;
    width: 100%;
    max-width: 100%;
    margin-left: 0; /* 确保没有额外的左边距 */
    position: relative;
    overflow: hidden;
}

/* 左边内容样式 - 调整左边距 */
.carousel-slide:nth-child(2) .left-content {
    flex: 1;
    max-width: 42%;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    text-align: center;
    min-height: 400px;
    justify-content: center;
    align-items: center;
    margin-left: 12%; 
}

/* 标题样式 - 与第一屏风格一致 */
.carousel-slide:nth-child(2) .hero-title .highlight {
    font-size: 3.5rem;
    color: #ffd700; /* 金色标题 */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    display: block;
    margin-bottom: 1rem;
    line-height: 1.2;
}

/* 描述文字样式 */
.carousel-slide:nth-child(2) .hero-description.highlight-text {
    font-size: 1.2rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

/* 按钮容器样式 */
.carousel-slide:nth-child(2) .hero-buttons {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

/* 右边内容样式 - 增大图片尺寸 */
.carousel-slide:nth-child(2) .right-content {
    flex: 0 0 50%; /* 增加宽度比例 */
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

/* 图片容器样式 - 增大尺寸 */
.center-image-container {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 550px; /* 增大最大宽度 */
    height: auto;
    /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); */
    border-radius: 8px;
    overflow: visible;
    margin-right: -2%; /* 稍微向右移动，使图片更突出 */
}

.center-clear-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain; /* 确保图片完整展示，不被裁剪 */
}

/* 轻微脉冲动画效果 */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* 第二屏响应式调整 */
@media (max-width: 1200px) {
    .flex-layout {
        gap: 2rem;
        padding: 2rem;
    }
    
    .carousel-slide:nth-child(2) .hero-title .highlight {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .flex-layout {
        flex-direction: column;
        text-align: center;
        gap: 2.5rem;
    }
    
    .left-content,
    .right-content {
        max-width: 100%;
        flex: none;
    }
    
    .left-content {
        text-align: center;
    }
    
    .carousel-slide:nth-child(2) .hero-title .highlight {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .flex-layout {
        padding: 1.5rem 1rem;
        gap: 2rem;
    }
    
    .carousel-slide:nth-child(2) .hero-title .highlight {
        font-size: 2.2rem;
    }
    
    .carousel-slide:nth-child(2) .hero-description.highlight-text {
        font-size: 1rem;
    }
}

/* 大屏幕优化：当屏幕宽度大于1920px时，品牌墙图片放大 */
@media (min-width: 1921px) {
    .center-image-container {
        max-width: 750px;
    }
}

/* 确保轮播中内容正常显示 */
.hero-content {
    position: relative;
    z-index: 100;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero-text {
    opacity: 1;
    transform: translateY(0);
    z-index: 11;
    text-align: center;
}

/* 品牌墙描述文字 */
.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 第二屏标题样式 */
.hero-title {
    margin-bottom: 20px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .brand-card {
        width: 250px;
        height: 160px;
    }
    
    .brand-logo-large {
        max-width: 100px;
        max-height: 70px;
    }
}

@media (max-width: 768px) {
    .brand-card {
        width: 220px;
        height: 150px;
    }
    
    .brand-logo-large {
        max-width: 90px;
        max-height: 60px;
    }
    
    .brand-card-back h3 {
        font-size: 16px;
    }
    
    .brand-card-back p {
        font-size: 12px;
    }
    
    .scroll-btn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .prev-scroll {
        margin-left: -10px;
    }
    
    .next-scroll {
        margin-right: -10px;
    }
    
    .brands-content {
        padding: 30px 15px;
    }
}

@media (max-width: 480px) {
    .brand-card {
        width: 200px;
        height: 140px;
    }
    
    .brand-logo-large {
        max-width: 80px;
        max-height: 50px;
    }
    
    .brands-wall {
        padding: 15px;
    }
}

/* 底部背景图 */
.hero-bottom-image {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 80px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    justify-content: center;
}

/* 轮播指示器 - 隐藏 */
.carousel-indicators {
    display: none;
}

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

.indicator:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.indicator.active {
    background: white;
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* 轮播控制器位置和交互 */
.carousel-control:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: white;
    transform: translateY(-50%) scale(1.15);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.4);
}

.carousel-control:active {
    transform: translateY(-50%) scale(0.95);
    background: rgba(255, 255, 255, 0.4);
}

.carousel-control.prev {
    left: 40px;
}

.carousel-control.next {
    right: 40px;
}

/* 品牌墙样式 */
.brand-wall .brand-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin: 40px 0;
    justify-content: center;
}

.brand-wall .brand-logo {
    max-height: 80px;
    max-width: 120px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.brand-wall .brand-logo:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .carousel-control.prev {
        left: 15px;
    }
    
    .carousel-control.next {
        right: 15px;
    }
    
    .carousel-indicators {
        bottom: 40px;
    }
}

.hero-text {
    color: white;
    text-align: center;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.18);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    animation: none;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 1px;
    margin-bottom: 24px;
    animation: titleSlide 1s ease-out;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    color: white;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #ecd9b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 8px 0;
    position: relative;
}

.title-line::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

@keyframes titleSlide {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.7;
    letter-spacing: 0.6px;
    word-spacing: 1px;
    margin-bottom: 32px;
    opacity: 0.95;
    color: rgba(255, 255, 255, 0.98);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    animation: fadeInUp 1s ease-out 0.3s both;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 36px;
    padding: 20px 28px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    animation: fadeInUp 1s ease-out 0.6s both;
}

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

.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

/* 荣誉徽章已移除，恢复统一数字尺寸 */
.hero-stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff !important;
    text-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

.hero-stat-number {
    /* 横幅专用，避免被通用计数器重置 */
    color: #ffffff !important;
    font-size: 2.8rem;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.35);
}

.stat-label {
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    color: rgba(255, 255, 255, 0.85);
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 25px -5px rgba(103, 58, 183, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(103, 58, 183, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
    box-shadow: 0 4px 15px -5px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px -5px rgba(103, 58, 183, 0.1);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(103, 58, 183, 0.3);
}

.hero-visual {
    position: relative;
    height: 360px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-top: -20px;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-item {
    position: absolute;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.floating-item:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-item:nth-child(2) {
    top: 60%;
    right: 20%;
    animation-delay: 2s;
}

.floating-item:nth-child(3) {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

.floating-item:nth-child(4) {
    top: 40%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.industry-showcase {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: showcaseRotate 20s linear infinite;
}

@keyframes showcaseRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.showcase-item {
    position: absolute;
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    animation: showcaseItemRotate 20s linear infinite;
}

@keyframes showcaseItemRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

.showcase-item.active {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.showcase-item:nth-child(1) {
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
}

.showcase-item:nth-child(2) {
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
}

.showcase-item:nth-child(3) {
    left: -60px;
    top: 50%;
    transform: translateY(-50%);
}

.item-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.item-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.item-content p {
    font-size: 0.8rem;
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

.scroll-text {
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.8;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(45deg);
    margin: 0 auto;
    animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50% { transform: rotate(45deg) translateY(5px); }
}

/* 核心数据展示 */
.stats {
    padding: 100px 0 60px;
    background: var(--light-surface);
    position: relative; /* 模块滚动入场的背景光带 */
    overflow: hidden;
}

/* 模块滚动到视口时的淡入背景光带 */
.stats::before {
    content: '';
    position: absolute;
    left: -30%;
    top: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, rgba(0,0,0,0.04), rgba(0,0,0,0));
    transition: width 1s ease-out;
    pointer-events: none;
}
.stats.animated::before {
    width: 60%;
}

/* 卡片滚动入场：上浮与阴影增强（无任何线条元素） */
.stat-card {
    transition: transform 0.6s ease, box-shadow 0.6s ease;
}
.stat-card.animated {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.08);
}

/* 图标轻微脉冲 */
@keyframes iconPulse {
    0% { transform: scale(1); }
    35% { transform: scale(1.08); }
    100% { transform: scale(1); }
}
.stat-card.animated .stat-icon {
    animation: iconPulse 0.9s ease-out both;
}

/* 底部柔和光晕（更美观，聚焦卡片底部） */
.stat-card { position: relative; }
@keyframes bottomGlow {
    to { opacity: 0.22; transform: translateX(-50%) scaleX(1.04); }
}
.stat-card::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 12px;
    transform: translateX(-50%) scaleX(0.94);
    width: 70%;
    height: 16px;
    border-radius: 18px;
    background: var(--gradient-primary);
    filter: blur(16px);
    opacity: 0;
}
.stat-card.animated::after {
    animation: bottomGlow 0.8s ease-out 0.15s forwards;
}

/* 单位后缀轻微上升淡入（不使用描边或横线） */
@keyframes suffixRise {
    from { transform: translateY(6px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.stat-card.animated .stat-suffix {
    display: inline-block;
    animation: suffixRise 0.5s ease-out 0.2s both;
}

.stats-header {
    text-align: center;
    margin-bottom: 80px;
    padding: 0 20px;
}
/* 数字见证实力标题居中 */
.stats-header .section-title {
    text-align: center;
}
.stats-header .section-title::after {
    margin: 12px auto 20px;
}
.stats-header .section-subtitle {
    text-align: center;
}

.section-header {
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    margin-top: 0;
    margin-bottom: 40px;
    padding: 20px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    letter-spacing: 0.5px;
    text-align: left;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 120px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 3px;
    margin: 12px 0 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
    letter-spacing: 0.3px;
    text-align: left;
    line-height: 1.6;
    max-width: 700px;
}
/* 统一模块尾部留白：清理最后子元素的过大外边距 */
section > .container > *:last-child,
section > *:last-child {
    margin-bottom: 0;
}

/* 统计部分标题下的p标签样式 */
.stats-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    letter-spacing: 0.3px;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.stat-card {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.stat-number-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.stat-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.stat-progress {
    width: 100%;
    height: 8px;
    background: var(--light-border);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 2s ease-out;
}

/* 替换进度条为入场下划线动画 */
.stat-underline {
    width: 0;
    height: 3px;
    border-radius: 2px;
    background: var(--gradient-primary);
    transition: width 0.8s ease-out;
}

.stat-card.animated .stat-underline {
     width: 100%;
 }
 
 /* 关于我们 */
 .about {
     padding: 100px 0 60px;
     background: white;
 }

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 80px;
    margin-bottom: 0;
}

.about-card {
    background: var(--light-surface);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: all 0.8s ease;
    z-index: 1;
}

.card-hover-enhanced:hover::before {
    left: 100%;
}

.card-hover-enhanced {
    transform: translateY(0);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-hover-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    position: relative;
    overflow: hidden;
}

.pulse-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 70%);
    transform: scale(0);
    animation: pulse 2s infinite;
    border-radius: 15px;
}

@keyframes pulse {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.card-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

/* 核心领域展示 */
.domain-highlight {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.domain-item {
    flex: 1;
    min-width: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.domain-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.domain-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.domain-item:hover::before {
    transform: scaleX(1);
}

.domain-icon {
    width: 50px;
    height: 50px;
    background: rgba(201, 154, 79, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.domain-item:hover .domain-icon {
    background: var(--gradient-primary);
}

.domain-icon i {
    color: var(--primary-color);
    font-size: 1.3rem;
    transition: all 0.3s ease;
}

.domain-item:hover .domain-icon i {
    color: white;
    transform: scale(1.2);
}

.domain-item h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* 价值主张 */
.capability-carousel {
    position: relative;
    margin: -4px 0 24px; /* 轻微上移以与右侧 h3 顶部严格对齐 */
    overflow: visible;
}

/* 网格布局替代轮播容器：2x2，自适应高度 */
.capability-grid {
    position: relative;
    margin: 0 16px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
@media (max-width: 768px) {
    .capability-grid {
        grid-template-columns: 1fr;
    }
}

/* 已废弃的轮播容器（保留以免影响其他样式） */
.carousel-container {
    position: relative;
    overflow: hidden;
    margin: 0 16px; /* 扩展卡片宽度，箭头更贴近卡片内缘 */
    min-height: 360px; /* 再拉高些，卡片更饱满 */
    height: 360px; /* 固定高度对齐右侧模块 */
}

.carousel-slide {
    opacity: 0;
    /* transform: translateY(8px) scale(0.98); */
    filter: saturate(0.98);
    transition: opacity 0.4s ease, transform 0.4s ease, filter 0.4s ease;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.carousel-slide.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: saturate(1.02);
    position: relative;
    z-index: 1;
}

/* 扁平化卡片：轮播项作为外层卡片的基础样式 */
.capability-carousel .about-card {
    padding: 26px 32px 32px; /* 进一步收紧顶部留白，确保与右侧 h3 同线 */
    border-radius: 18px; /* 稍大圆角呼应更大的卡片 */
    box-shadow: var(--shadow-md);
}
.capability-carousel .about-card .capability-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
}


.capability-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.capability-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-surface);
}

.capability-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    border: 1px solid var(--light-border);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0; /* 两端对齐下避免图标被挤压变形 */
}

.capability-header h4 {
    margin: 0;
    font-size: 1.7rem; /* 放大标题字号 */
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap; /* 防止换行导致对齐偏差 */
    padding-right: 6px; /* 两端对齐时右侧留白，避免贴边 */
}

.capability-body {
    flex: 1;
}

.capability-list {
    margin: 0;
    padding-left: 20px;
    list-style: none;
}

.capability-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.capability-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.2em;
    line-height: 1;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px; /* 更大触控面积 */
    height: 44px;
    border-radius: 10px; /* 非圆形，改为圆角矩形 */
    background: transparent; /* 去除圆圈底色 */
    border: none;
    box-shadow: none;
    color: var(--primary-color);
    font-size: 1.3rem; /* 箭头更醒目 */
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-control:hover {
    background: rgba(0,0,0,0.08); /* 轻微底色，非圆圈样式 */
    color: var(--primary-color);
    transform: translateY(-50%) scale(1.08);
}

.carousel-prev {
    left: 16px; /* 箭头更安全地在卡片内侧 */
}

.carousel-next {
    right: 16px; /* 箭头更安全地在卡片内侧 */
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px; /* 与内容区间距更舒适 */
}

.indicator {
    width: 14px; /* 提升可见度 */
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--dark-border); /* 增强对比度 */
    background: var(--light-border); /* 采用更深的浅灰 */
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 1; /* 去掉过度透明 */
}

.indicator:hover,
.indicator.active {
    background: var(--primary-color);
    opacity: 1;
    transform: scale(1.15);
    box-shadow: var(--shadow-sm);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-container {
        margin: 0 16px; /* 移动端也尽量更宽 */
        height: 340px; /* 移动端也提升高度以匹配整体视觉 */
        min-height: 320px; /* 保持更舒适的高度 */
    }
    
    .carousel-control {
        width: 38px; /* 移动端也更易触控 */
        height: 38px;
        font-size: 1.2rem;
        border-radius: 10px;
        background: transparent;
        border: none;
        box-shadow: none;
    }
    
    .capability-carousel .about-card {
        padding: 24px;
    }
    
    .capability-header h4 {
        font-size: 1.35rem; /* 移动端同步放大 */
    }
}

.value-proposition {
    position: relative;
    height: 220px;
    margin-top: 30px;
    padding: 2px 0 8px;
}

/* 图标漂移：无外部圆圈，仅图标与标签 */
.value-item {
    position: absolute;
    width: 56px;
    height: 56px;
    border: none;
    background: transparent;
    color: #af7e33;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    border-radius: 50%;
    will-change: transform;
}
.value-item i { font-size: 26px; transition: transform 0.2s ease; }
.value-item span {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    font-size: 12px;
    line-height: 1.25;
    color: #2f3a4a;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
    pointer-events: none;
}
.value-item:hover span { opacity: 1; transform: translateX(-50%) translateY(0); }
.value-item:hover { animation-play-state: paused; }
.value-item:hover i { transform: scale(1.08); }

@media (max-width: 900px) { .value-proposition { height: 200px; } }
@media (max-width: 520px) { .value-proposition { height: 180px; } }

@media (max-width: 900px) {
    .value-proposition { grid-template-columns: repeat(2, 100px); gap: 24px 32px; }
    .value-item { width: 100px; height: 100px; }
}
@media (max-width: 520px) {
    .value-proposition { grid-template-columns: repeat(1, 100px); }
}

/* 圆形标签交互与入场优化 + 不规则排布 */
.value-item { --dx: 0px; --dy: 0px; transform: translate(var(--dx), var(--dy)); }
.value-item:hover { transform: translate(var(--dx), calc(var(--dy) - 4px)); box-shadow: 0 8px 20px rgba(76,125,240,0.16); }

/* 不规则偏移（桌面端） */
.value-item:nth-child(1) { --dx: -10px; --dy: -6px; }
.value-item:nth-child(2) { --dx: 6px; --dy: 6px; }
.value-item:nth-child(3) { --dx: 16px; --dy: -10px; }
.value-item:nth-child(4) { --dx: -8px; --dy: 12px; }
.value-item:nth-child(5) { --dx: 12px; --dy: -4px; }

/* 初始位置与漂移路径（桌面端） */
.value-item:nth-child(1) { left: 8%;  top: 12%; animation: float1 18s ease-in-out infinite; }
.value-item:nth-child(2) { left: 38%; top: 16%; animation: float2 20s ease-in-out infinite; }
.value-item:nth-child(3) { left: 72%; top: 10%; animation: float3 22s ease-in-out infinite; }
.value-item:nth-child(4) { left: 20%; top: 66%; animation: float4 19s ease-in-out infinite; }
.value-item:nth-child(5) { left: 58%; top: 62%; animation: float5 21s ease-in-out infinite; }
.value-item:nth-child(6) { left: 82%; top: 56%; animation: float6 23s ease-in-out infinite; }
 
 @keyframes float1 { 0%{transform:translate(0,0);} 25%{transform:translate(14px,-10px);} 50%{transform:translate(0,-18px);} 75%{transform:translate(-12px,6px);} 100%{transform:translate(0,0);} }
 @keyframes float2 { 0%{transform:translate(0,0);} 25%{transform:translate(-10px,8px);} 50%{transform:translate(12px,-12px);} 75%{transform:translate(6px,6px);} 100%{transform:translate(0,0);} }
 @keyframes float3 { 0%{transform:translate(0,0);} 25%{transform:translate(16px,6px);} 50%{transform:translate(-8px,12px);} 75%{transform:translate(-12px,-10px);} 100%{transform:translate(0,0);} }
 @keyframes float4 { 0%{transform:translate(0,0);} 25%{transform:translate(10px,-8px);} 50%{transform:translate(-12px,10px);} 75%{transform:translate(8px,-6px);} 100%{transform:translate(0,0);} }
 @keyframes float5 { 0%{transform:translate(0,0);} 25%{transform:translate(-12px,-8px);} 50%{transform:translate(14px,10px);} 75%{transform:translate(-8px,12px);} 100%{transform:translate(0,0);} }
 @keyframes float6 { 0%{transform:translate(0,0);} 25%{transform:translate(-14px,6px);} 50%{transform:translate(8px,-12px);} 75%{transform:translate(10px,8px);} 100%{transform:translate(0,0);} }

/* 入场仅渐显，避免与 transform 路径冲突 */
.value-proposition.animate-on-scroll .value-item { opacity: 0; }
.value-proposition.animate-on-scroll.animated .value-item { opacity: 1; transition: opacity 0.6s ease; }
.value-proposition.animate-on-scroll.animated .value-item:nth-child(1) { transition-delay: 0s; }
.value-proposition.animate-on-scroll.animated .value-item:nth-child(2) { transition-delay: 0.06s; }
.value-proposition.animate-on-scroll.animated .value-item:nth-child(3) { transition-delay: 0.12s; }
.value-proposition.animate-on-scroll.animated .value-item:nth-child(4) { transition-delay: 0.18s; }
.value-proposition.animate-on-scroll.animated .value-item:nth-child(5) { transition-delay: 0.24s; }
.value-proposition.animate-on-scroll.animated .value-item:nth-child(6) { transition-delay: 0.30s; }

.intro-text {
    font-size: 1.05rem;
    letter-spacing: 0.3px;
    position: relative;
    z-index: 2;
}

.fade-in-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.enhanced-grid {
    margin: 30px 0;
}

.capability-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    position: relative;
    z-index: 2;
    overflow: hidden;
}

.capability-hover {
    transform: translateY(0);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.capability-hover:hover {
    transform: translateY(-3px) translateX(5px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--primary-color);
    background: linear-gradient(90deg, rgba(255,255,255,1), rgba(248,249,250,1));
}

.capability-icon-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(201, 154, 79, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.capability-hover:hover .capability-icon-container {
    background: var(--gradient-primary);
}

.capability-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.capability-hover:hover i {
    color: white;
    transform: scale(1.1);
}

.capability-info {
    flex: 1;
}

.capability-item span {
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.capability-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.capability-hover:hover .capability-desc {
    opacity: 1;
    transform: translateX(0);
}

/* 水平时间轴布局 */
.about-timeline h3 {
    font-size: 1.7rem; /* 与左侧卡片标题同步放大 */
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.timeline {
    position: relative;
    display: flex;
    gap: 40px;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 60px; /* 为水平轴和圆点留出空间 */
    flex-wrap: nowrap;
    overflow-x: auto; /* 小屏可横向滚动 */
    scroll-snap-type: x mandatory;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 30px; /* 水平中线位置 */
    height: 2px;
    background: var(--light-border);
}

.timeline-item {
    position: relative;
    padding-left: 0;
    margin-bottom: 0;
    padding-top: 60px; /* 内容整体下移到轴线下方 */
    opacity: 0;
    animation: timelineSlideH 0.8s ease-out forwards; /* 左到右入场 */
    flex: 1 1 0;
    min-width: 220px; /* 保证每项在小屏也有最小宽度 */
    text-align: center;
    scroll-snap-align: start;
}

/* 由左到右逐步入场的动画延迟 */
.timeline-item:nth-child(1) { animation-delay: 0.00s; }
.timeline-item:nth-child(2) { animation-delay: 0.15s; }
.timeline-item:nth-child(3) { animation-delay: 0.30s; }
.timeline-item:nth-child(4) { animation-delay: 0.45s; }
.timeline-item:nth-child(5) { animation-delay: 0.60s; }

@keyframes timelineSlideH {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 20px; /* 位于水平轴线上 */
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: var(--shadow-md);
}

.timeline-year {
    position: absolute;
    left: 50%;
    top: 44px; /* 圆点下方 */
    transform: translateX(-50%);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    background: white;
    padding: 5px 10px;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-features {
    background: var(--light-surface);
    border-radius: 20px;
    padding: 60px 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    animation: iconBounce 2s ease-in-out infinite;
}

@keyframes iconBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.feature-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 解决方案 */
.solutions {
    padding: 100px 0 60px;
    background: var(--light-surface);
}

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

.solution-card {
    position: relative;
    background: white;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 40px -15px rgba(103, 58, 183, 0.2);
    border-color: rgba(103, 58, 183, 0.1);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 2;
}

.solution-card:hover::before {
    transform: scaleX(1);
}

.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.02;
    z-index: 1;
    transition: opacity 0.3s ease;
}

.solution-card:hover .card-bg {
    opacity: 0.06;
}

.card-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(175, 126, 51, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 154, 79, 0.1) 0%, transparent 50%);
    z-index: 2;
}

.card-content-wrapper {
    position: relative;
    z-index: 3;
    padding: 30px 22px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.solution-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.solution-badge {
    background: var(--gradient-secondary);
    color: white;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 每张方案卡片的徽章使用不同的颜色，增强区分度（色相环均匀分布，白字清晰可读） */
.solution-card:nth-child(1) .solution-badge {
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
}

.solution-card:nth-child(2) .solution-badge {
    background: linear-gradient(135deg, #f97316 0%, #c2410c 100%);
}

.solution-card:nth-child(3) .solution-badge {
    background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%);
}

.solution-card:nth-child(4) .solution-badge {
    background: linear-gradient(135deg, #eab308 0%, #a16207 100%);
}

.solution-card:nth-child(5) .solution-badge {
    background: linear-gradient(135deg, #84cc16 0%, #4d7c0f 100%);
}

.solution-card:nth-child(6) .solution-badge {
    background: linear-gradient(135deg, #22c55e 0%, #15803d 100%);
}

.solution-card:nth-child(7) .solution-badge {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
}

.solution-card:nth-child(8) .solution-badge {
    background: linear-gradient(135deg, #14b8a6 0%, #0f766e 100%);
}

.solution-card:nth-child(9) .solution-badge {
    background: linear-gradient(135deg, #06b6d4 0%, #0e7490 100%);
}

.solution-card:nth-child(10) .solution-badge {
    background: linear-gradient(135deg, #0ea5e9 0%, #0369a1 100%);
}

.solution-card:nth-child(11) .solution-badge {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.solution-card:nth-child(12) .solution-badge {
    background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
}

.solution-card:nth-child(13) .solution-badge {
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.solution-card:nth-child(14) .solution-badge {
    background: linear-gradient(135deg, #a855f7 0%, #7e22ce 100%);
}

.solution-card:nth-child(15) .solution-badge {
    background: linear-gradient(135deg, #d946ef 0%, #a21caf 100%);
}

.solution-card:nth-child(16) .solution-badge {
    background: linear-gradient(135deg, #ec4899 0%, #be185d 100%);
}

.solution-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.solution-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 18px;
    font-size: 0.9rem;
    height: 68px;
    display: flex;
    align-items: flex-start;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
    min-height: 68px;
    height: 68px;
    align-content: flex-start;
}

.feature-tag {
    background: var(--light-surface);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.feature-tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.solution-brands h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 30px;
}

.brand-tag {
    background: white;
    border: 1px solid var(--light-border);
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.brand-tag.primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.brand-tag:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 隐藏主打产品部分 */
.brand-products {
    display: none !important;
}

/* 品牌Logo展示样式 - 一行三个布局 */
.brand-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
    align-items: center;
    justify-content: flex-start;
}

.brand-logo-item {
    background: white;
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    flex: 0 0 calc(50% - 7px); /* 一行两个，考虑间距 */
    max-width: calc(50% - 7px);
    border: 1px solid var(--light-border);
}

.brand-logo-item:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.brand-logo {
    max-height: 30px;
    max-width: 80px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.brand-logo-item:hover .brand-logo {
    transform: scale(1.05);
}

/* 响应式调整 */
@media (max-width: 1400px) {
    .solutions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
}

@media (max-width: 1100px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .card-content-wrapper {
        padding: 24px 18px;
    }
    
    .solution-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .solution-card h3 {
        font-size: 1.2rem;
    }
    
    .solution-desc {
        font-size: 0.85rem;
    }
    
    .brand-logos {
        gap: 8px;
    }
    
    .brand-logo-item {
        padding: 10px;
        min-height: 45px;
        flex: 0 0 calc(50% - 6px);
        max-width: calc(50% - 6px);
    }
    
    .brand-logo {
        max-height: 20px;
        max-width: 50px;
    }
}

@media (max-width: 480px) {
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    
    .card-content-wrapper {
        padding: 22px 16px;
    }
    
    .solution-icon {
        width: 38px;
        height: 38px;
        font-size: 0.95rem;
    }
    
    .solution-card h3 {
        font-size: 1.15rem;
    }
    
    .solution-desc {
        font-size: 0.8rem;
    }
    
    .brand-logo-item {
        flex: 0 0 calc(50% - 6px);
        max-width: calc(50% - 6px);
    }
}

.solution-cta .btn {
    width: 100%;
    justify-content: center;
}

/* 品牌中心 */
.brands {
    padding: 100px 0 60px;
    background: white;
}
/* 品牌中心标题左对齐 */
.brands .section-header {
    text-align: left;
    align-items: flex-start;
}
.brands .section-title {
    text-align: left;
}
.brands .section-title::after {
    margin: 12px 0 20px;
}
.brands .section-subtitle {
    text-align: left;
}

.brands-showcase {
    /* max-width: 1000px; */
    margin: 0 auto;
}

.brand-showcase-nav {
    display: flex;
    justify-content: flex-start;
    gap: 20px;
    margin-bottom: 60px;
}

.nav-btn {
    background: var(--light-surface);
    border: 2px solid var(--light-border);
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-btn.active,
.nav-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.brand-content {
    display: none;
    animation: brandFade 0.5s ease-out;
}

.brand-content.active {
    display: block;
}

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

.brand-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}
/* 交换品牌介绍与LOGO的左右位置：介绍在左，LOGO在右 */
.brand-header { grid-column: 2; grid-row: 1; }
.brand-description { grid-column: 1; grid-row: 1; }

/* 移动端堆叠恢复顺序：LOGO在上，介绍在下 */
@media (max-width: 768px) {
  .brand-info { grid-template-columns: 1fr; gap: 30px; }
  .brand-header, .brand-description { grid-column: 1; grid-row: auto; }
  .brand-logo-large { justify-content: flex-start; }
}

.brand-header {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: fit-content;
    margin: 0 0 40px 0;
}

.brand-logo-large {
    margin-bottom: 20px;
    justify-content: flex-start;
}

.logo-text {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.logo-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.brand-category {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 10px;
    align-self: center;
}
/* 品牌LOGO占位与排列优化 - 统一所有品牌样式参考胜丽 */
.brand-logo-large {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 24px;
    flex-wrap: nowrap;
}
.brand-logo-slot {
    width: 240px;
    height: 90px;
    border: 1px solid var(--light-border);
    border-radius: 12px;
    background: var(--light-surface);
    flex-shrink: 0;
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}
/* 所有品牌统一使用胜丽的样式优化 */
.brand-header {
    text-align: left;
}
.brand-logo-large {
    justify-content: flex-start;
    gap: 24px;
}
.brand-logo-slot {
    width: 240px;
    height: 90px;
}
/* 澎博动力 LOGO容器深色背景，强化白字可读性 */
#pengbo .brand-logo-slot {
  background: var(--dark-surface);
  border: 1px solid var(--dark-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
/* 科瑞科林品牌特殊处理 - 放大logo图片 */
#keruikelin .brand-logo-slot img {
  transform: scale(1.3);
  transform-origin: center;
}
/* 统一响应式设计 */
@media (max-width: 768px) {
  .brand-logo-slot {
    width: clamp(180px, 34vw, 240px);
    height: clamp(60px, 12vw, 90px);
  }
}
@media (max-width: 480px) {
  .brand-logo-slot {
    width: 150px;
    height: 60px;
  }
}
.brand-logo-text .logo-text {
    margin-bottom: 4px;
}
@media (max-width: 640px) {
    .brand-logo-slot {
        width: 72px;
        height: 72px;
        border-radius: 10px;
    }
}
/* 品牌LOGO图片等比缩放 */
.brand-logo-slot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.brand-description h3,
.brand-applications h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.brand-description p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.brand-features {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--light-surface);
    padding: 10px 15px;
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.feature-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 品牌产品图册 */
.brand-catalog {
    width: 130%;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--light-border);
}

.brand-catalog h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.catalog-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.catalog-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 18px;
    background: white;
    border: 1px solid var(--light-border);
    border-radius: 12px;
    transition: all var(--transition-fast);
    min-height: 56px;
}

.catalog-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(175, 126, 51, 0.1);
    transform: translateY(-2px);
}

.catalog-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.catalog-icon {
    font-size: 1.6rem;
    color: #dc2626;
    flex-shrink: 0;
}

.catalog-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.catalog-buttons {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.catalog-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: 1px solid var(--light-border);
    white-space: nowrap;
}

.preview-btn {
    background: white;
    color: var(--text-primary);
}

.preview-btn:hover {
    background: var(--light-surface);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.download-btn {
    background: white;
    color: var(--text-primary);
}

.download-btn:hover {
    background: var(--light-surface);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.catalog-btn i {
    font-size: 0.95rem;
}

/* 产品图册响应式优化 */
@media (max-width: 768px) {
    .catalog-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 12px;
    }
    
    .catalog-info {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .catalog-name {
        font-size: 0.9rem;
    }
    
    .catalog-buttons {
        width: 100%;
        justify-content: space-between;
    }
    
    .catalog-btn {
        flex: 1;
        justify-content: center;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .catalog-btn i {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .catalog-name {
        font-size: 0.85rem;
    }
    
    .catalog-btn {
        padding: 7px 10px;
        font-size: 0.8rem;
    }
    
    .catalog-btn i {
        font-size: 0.8rem;
    }
}

/* 品牌成绩展示区域 - 简洁优雅设计 */
.brand-achievements {
    padding: 80px 0;
    background: var(--light-surface);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.achievement-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-fast);
}

.achievement-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.achievement-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    /* background: linear-gradient(135deg, var(--primary-color), #764ba2); */
}

.achievement-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.achievement-brand img {
    width: 140px;
    height: 40px;
    object-fit: contain;
}

.achievement-brand span {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.achievement-badge {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
}

.achievement-badge i {
    font-size: 26px;
    color: #ffd700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.achievement-image-wrapper {
    padding: 25px;
    background: white;
}

.achievement-image-wrapper img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
    display: block;
    border-radius: 12px;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .achievement-card-header {
        padding: 15px 20px;
    }
    
    .achievement-image-wrapper {
        padding: 20px;
    }
    
    .achievement-image-wrapper img {
        max-height: 250px;
    }
}

/* 应用领域容器底部间距，统一各品牌的视觉节奏 */
.brand-applications {
    margin-bottom: 30px;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.application-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px;
    background: var(--light-surface);
    border-radius: 12px;
    transition: all var(--transition-fast);
}

.application-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.application-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.application-item:hover i {
    color: white;
}

.brand-products h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 30px;
}
/* 右侧应用领域顶部占位，保证左右两列对齐 */
.brand-info .brand-applications:nth-of-type(2)::before {
    content: '应用领域';
    display: block;
    visibility: hidden;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--light-surface);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--light-border);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.product-image {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    animation: productPulse 2s ease-in-out infinite;
}

@keyframes productPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.product-card h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.product-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 团队介绍 */
.team {
    padding: 100px 0 60px;
    background: var(--light-surface);
    display: none;
}

.team-overview {
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    margin-bottom: 60px;
    box-shadow: var(--shadow-md);
}

.team-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.team-stat {
    text-align: center;
    padding: 30px 20px;
    background: var(--light-surface);
    border-radius: 15px;
    transition: all var(--transition-normal);
}

.team-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
/* 团队矩阵优化样式 */
.team .team-stat h3 {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 12px;
    background: var(--dark-surface);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
}
.team .application-grid {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 8px 10px; /* vertical, horizontal */
}
.team .team-stats {
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.team .team-stat { text-align: left; }
.team .application-item {
    background: white;
    border: 1px solid var(--light-border);
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    padding: 8px 10px;
    line-height: 1.35;
}
.team .application-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}
.team .application-item span {
    font-weight: 600;
    color: var(--text-primary);
}
.team .application-item:hover span {
    color: white;
}
@media (max-width: 992px) {
    .team .application-grid {
        grid-template-columns: repeat(2, minmax(160px, 1fr));
    }
}
@media (max-width: 640px) {
    .team .application-grid {
        grid-template-columns: 1fr;
    }
}

.team-stat .stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 1.5rem;
    animation: statFloat 3s ease-in-out infinite;
}

@keyframes statFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.team-stat .stat-content .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.team-stat .stat-content .stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.achievements {
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: var(--shadow-md);
}

.achievements h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 50px;
}

.achievement-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.achievement-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--light-border);
}

.achievement-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 40px;
    opacity: 0;
    animation: achievementSlide 0.8s ease-out forwards;
}

.achievement-item:nth-child(1) { animation-delay: 0.1s; }
.achievement-item:nth-child(2) { animation-delay: 0.3s; }
.achievement-item:nth-child(3) { animation-delay: 0.5s; }

@keyframes achievementSlide {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.achievement-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-md);
    animation: yearPulse 2s ease-in-out infinite;
}

@keyframes yearPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.achievement-content {
    background: var(--light-surface);
    padding: 25px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.achievement-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.achievement-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.achievement-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.achievement-metrics {
    display: flex;
    gap: 20px;
}

.metric {
    background: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* 业绩照片墙（自适应不同图片尺寸） */
.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}
.performance-item {
    background: var(--light-surface);
    border: 1px solid var(--light-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all var(--transition-normal);
}
.performance-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}
/* 固定媒体展示区域比例，图片原始比例自适应居中 */
.performance-media {
    aspect-ratio: 4 / 3;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
}
.performance-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}
.performance-caption {
    padding: 8px 10px;
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.5;
}

@media (max-width: 992px) {
    .performance-grid {
        grid-template-columns: repeat(2, minmax(200px, 1fr));
        gap: 10px;
    }
}
@media (max-width: 640px) {
    .performance-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* 业务布局 */
.business {
    padding: 100px 0 60px;
    background: white;
}

.business-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.business-domestic,
.business-global {
    background: var(--light-surface);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.business-domestic:hover,
.business-global:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.business-header {
    text-align: center;
    margin-bottom: 40px;
}

.business-icon-large {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    animation: businessIconFloat 3s ease-in-out infinite;
}

@keyframes businessIconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.business-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.business-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.map-container,
.global-map {
    margin-bottom: 40px;
}

.map-placeholder,
.global-placeholder {
    height: 200px;
    background: linear-gradient(135deg, rgba(175, 126, 51, 0.1) 0%, rgba(201, 154, 79, 0.1) 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.map-regions,
.global-regions {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.region-item,
.global-region {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.region-item:hover,
.global-region:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.region-dot {
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.region-flag {
    font-size: 1.5rem;
}

.region-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.region-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.business-metrics,
.global-metrics {
    display: flex;
    justify-content: space-around;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

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

.metric-item .metric-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.metric-item .metric-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 联系我们 */
.contact {
    padding: 100px 0 60px;
    background: var(--light-surface);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info,
.contact-form-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.contact-info:hover,
.contact-form-container:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-header,
.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.contact-header h3,
.form-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.contact-header p,
.form-header p {
    color: var(--text-secondary);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    background: var(--light-surface);
    border-radius: 15px;
    transition: all var(--transition-fast);
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.method-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.method-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.method-content p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.phone-number {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.phone-time {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.map-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.contact-social h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    background: var(--light-surface);
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    min-width: 80px;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.social-link.wechat:hover {
    background: #07c160;
    color: white;
}

.social-link.weibo:hover {
    background: #ff8200;
    color: white;
}

.social-link.linkedin:hover {
    background: #0077b5;
    color: white;
}

.social-link i {
    font-size: 1.5rem;
}

.social-link span {
    font-size: 0.9rem;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 2px solid var(--light-border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(175, 126, 51, 0.1);
}

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

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.btn-submit {
    position: relative;
    overflow: hidden;
}

.btn-submit .btn-text,
.btn-submit .btn-loading {
    transition: opacity var(--transition-fast);
}

.btn-submit.loading .btn-text {
    opacity: 0;
}

.btn-submit.loading .btn-loading {
    opacity: 1;
}

.btn-submit .btn-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

/* 页脚 */
.footer {
    background: var(--dark-bg);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 25px;
    font-weight: 600;
}

.footer-section h3 {
    font-size: 1.5rem;
}

.footer-section h4 {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    width: 225px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    animation: none; /* 去掉页脚logo的浮动动画 */
}

.footer-logo .logo-text h3 {
    font-size: 1.3rem;
    margin: 0;
}

.footer-logo .logo-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.company-desc {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 25px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 20px;
}

.footer-links li {
    margin-bottom: 0;
    transition: transform 0.2s ease;
}

.footer-links li:hover {
    transform: translateX(3px);
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 0;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: white;
    transform: translateX(3px);
}

.footer-links a:hover::after {
    width: 100%;
}

.footer-links i {
    width: 16px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid var(--dark-border);
    padding-top: 30px;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}
.footer-copyright p a {
    color: inherit;
    text-decoration: none;
}
.footer-copyright p a:hover {
    text-decoration: underline;
}

/* Footer center single-line */
.footer-bottom-content {
    justify-content: center;
}
.footer-copyright {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    flex-wrap: nowrap;
    width: 100%;
}
.footer-copyright p {
    white-space: nowrap;
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: white;
}

/* 动画类 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Highlights to fill right-side whitespace (industrial left rail layout) */
.about-highlights {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin-top: 6px;
  padding-left: 16px;
}
.about-highlights::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 1px;
  background: var(--light-border);
}

.highlight-chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  transition: color 180ms ease, transform 180ms ease;
}
.highlight-chip::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 50%;
  width: 8px;
  height: 8px;
  transform: translateY(-50%);
  background: var(--light-surface);
  border: 1.5px solid var(--primary-color);
  border-radius: 2px;
}

.highlight-chip i {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.highlight-chip:hover {
  color: var(--text-primary);
  transform: translateX(1px);
}

@media (max-width: 768px) {
  .about-highlights {
    padding-left: 0;
  }
  .about-highlights::before { display: none; }
  .highlight-chip::before { left: -12px; }
}

@media (max-width: 768px) {
  .about-highlights {
    justify-content: flex-start;
  }
}

/* 移动端全面适配 */
@media (max-width: 768px) {
  /* 基础设置 */
  html {
    -webkit-text-size-adjust: 100% !important;
    -ms-text-size-adjust: 100% !important;
    text-size-adjust: 100% !important;
  }
  
  /* 隐藏logo文字 */
  .nav-logo .logo-text {
    display: none !important;
  }
  
  /* 移动端菜单按钮 */
  .mobile-menu-btn {
    display: block !important;
    position: fixed !important;
    top: 15px !important;
    right: 15px !important;
    z-index: 1001 !important;
    background: none !important;
    border: none !important;
    font-size: 1.5rem !important;
    color: var(--text-primary) !important;
    cursor: pointer !important;
    padding: 10px !important;
  }
  
  /* 移动端菜单背景 */
  .mobile-menu-overlay {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0, 0, 0, 0.5) !important;
    z-index: 1000 !important;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }
  
  .mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  /* 导航栏 */
  .navbar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: white !important;
    box-shadow: var(--shadow-sm) !important;
    z-index: 999 !important;
    backdrop-filter: none !important;
    padding: 10px 15px !important;
  }
  
  .nav-container {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    height: auto !important;
    display: flex !important;
    align-items: center !important;
  }
  
  .nav-logo .logo-image {
    width: 60px !important;
    height: 60px !important;
    object-fit: contain !important;
  }
  
  .nav-logo .logo-text {
    display: none !important;
  }
  
  .logo-icon {
    width: 70px !important;
    background: var(--gradient-primary) !important;
    border-radius: 8px !important;
    display: flex !important;
    align-itemstify-content: center !important;
    animation: none !important;
  }
  
  /* 导航菜单 - 侧边抽屉式 */
  .nav-menu {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    right: -100% !important;
    width: 80% !important;
    height: 100vh !important;
    background: white !important;
    flex-direction: column !important;
    padding: 80px 20px 20px !important;
    margin: 0 !important;
    gap: 0 !important;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1) !important;
    z-index: 1000 !important;
    transition: right 0.3s ease !important;
  }
  
  .nav-menu.active {
    right: 0 !important;
  }
  
  .nav-menu li {
    margin-bottom: 15px !important;
    width: 100% !important;
  }
  
  .nav-menu a {
    font-size: 1.1rem !important;
    padding: 12px 0 !important;
    display: block !important;
    color: var(--text-primary) !important;
    font-weight: 600 !important;
  }
  
  /* 容器 */
  .container {
    padding: 0 15px !important;
    max-width: 100% !important;
    margin: 0 auto !important;
  }
  
  /* 轮播区域 */
  .hero-carousel {
    margin-top: 80px !important;
    height: auto !important;
    min-height: calc(100vh - 80px) !important;
    padding: 40px 0 !important;
  }
  
  .hero-content {
    text-align: center !important;
    padding: 0 20px !important;
  }
  
  .hero-title {
    font-size: 1.8rem !important;
    line-height: 1.3 !important;
    margin-bottom: 20px !important;
  }
  
  .hero-description {
    font-size: 1rem !important;
    line-height: 1.6 !important;
    margin-bottom: 30px !important;
  }
  
  /* 按钮组 */
  .hero-buttons {
    flex-direction: column !important;
    gap: 15px !important;
    align-items: center !important;
  }
  
  .btn {
    width: 280px !important;
    text-align: center !important;
    padding: 12px 24px !important;
  }
  
  /* 统计卡片 */
  .hero-stats {
    flex-direction: column !important;
    gap: 20px !important;
    margin-top: 30px !important;
    padding: 15px !important;
  }
  
  .stat-card {
    width: 100% !important;
  }
  
  .stat-number {
    font-size: 1.8rem !important;
  }
  
  /* 品牌墙 */
  .brand-wall .brand-logos {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
    margin: 20px 0 !important;
    padding: 0 10px !important;
  }
  
  .brand-wall .brand-logo {
    max-height: 50px !important;
    max-width: 100% !important;
    margin: 0 auto !important;
  }
  
  /* 网格布局 */
  .team-grid,
  .solutions-grid,
  .business-grid,
  .about-grid {
    grid-template-columns: 1fr !important;
    gap: 25px !important;
    padding: 0 10px !important;
  }
  
  /* 卡片组件 */
  .team-card,
  .solution-card,
  .business-card,
  .about-card {
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 25px !important;
  }
  
  /* 页脚 */
  .footer {
    padding: 40px 15px 20px !important;
  }
  
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 30px !important;
  }
  
  .footer-bottom-content {
    flex-direction: column !important;
    text-align: center !important;
    gap: 15px !important;
  }
  
  /* 通用样式 */
  section {
    padding: 50px 0 !important;
  }
  
  h2 {
    font-size: 1.8rem !important;
    text-align: center !important;
    margin-bottom: 20px !important;
  }
  
  h3 {
    font-size: 1.5rem !important;
    text-align: center !important;
    margin-bottom: 15px !important;
  }
  
  p {
    font-size: 0.95rem !important;
    line-height: 1.6 !important;
  }
  
  /* 图片适配 */
  img {
    max-width: 100% !important;
    height: auto !important;
  }
  
  /* 返回顶部按钮 */
  .back-to-top {
    width: 40px !important;
    height: 40px !important;
    bottom: 20px !important;
    right: 20px !important;
  }
}

/* 小屏幕手机适配 */
@media (max-width: 480px) {
  /* 导航栏优化 */
  .navbar {
    padding: 8px 12px !important;
  }
  
  .mobile-menu-btn {
    top: 12px !important;
    right: 12px !important;
    font-size: 1.3rem !important;
  }
  
  .logo-icon {
    width: 60px !important;
  }
  
  .nav-logo .logo-image {
    width: 50px !important;
    height: 50px !important;
  }
  
  .nav-logo .logo-text {
    display: none !important;
  }
  
  .nav-menu {
    width: 90% !important;
    padding: 70px 15px 15px !important;
  }
  
  /* 轮播区域优化 */
  .hero-carousel {
    margin-top: 70px !important;
    padding: 30px 0 !important;
  }
  
  .hero-content {
    padding: 0 15px !important;
  }
  
  .hero-title {
    font-size: 1.6rem !important;
    line-height: 1.25 !important;
    margin-bottom: 15px !important;
  }
  
  .hero-description {
    font-size: 0.9rem !important;
    padding: 0 5px !important;
    margin-bottom: 25px !important;
  }
  
  .stat-number {
    font-size: 1.6rem !important;
  }
  
  /* 品牌墙优化 */
  .brand-wall .brand-logos {
    grid-template-columns: 1fr !important;
    gap: 15px !important;
  }
  
  .brand-wall .brand-logo {
    max-height: 45px !important;
  }
  
  /* 按钮优化 */
  .btn {
    max-width: 240px !important;
    padding: 10px 20px !important;
    font-size: 0.9rem !important;
  }
  
  /* 通用标题优化 */
  h2 {
    font-size: 1.6rem !important;
    margin-bottom: 15px !important;
  }
  
  h3 {
    font-size: 1.3rem !important;
    margin-bottom: 12px !important;
  }
  
  p {
    font-size: 0.9rem !important;
    line-height: 1.5 !important;
  }
  
  /* 卡片进一步优化 */
  .team-card,
  .solution-card,
  .business-card,
  .about-card {
    padding: 20px !important;
  }
  
  /* 页脚进一步优化 */
  .footer {
    padding: 30px 10px 15px !important;
  }
  
  .footer-grid {
    gap: 25px !important;
  }
}