/* ==================== 全局变量 ==================== */
:root {
    /* 高级配色方案 - 深色主题 */
    --primary-color: #00f0ff;
    --primary-light: #00f0ff33;
    --primary-dark: #00c4d4;
    --secondary-color: #7b2cbf;
    --accent-color: #ff6b35;

    /* 深色主题配色 */
    --bg-deep: #02040a;
    --bg-dark: #050a14;
    --bg-dark-secondary: #0d1520;
    --bg-dark-tertiary: #141d2b;
    --bg-dark-card: #0f1824;
    --bg-dark-overlay: rgba(5, 10, 20, 0.95);
    --bg-glass: rgba(15, 24, 36, 0.8);
    --bg-glass-light: rgba(255, 255, 255, 0.05);

    /* 浅色主题配色（保留备用） */
    --bg-light: linear-gradient(180deg, #f0f4f8 0%, #e8edf5 100%);
    --bg-light-secondary: rgba(255, 255, 255, 0.9);

    /* 文字配色 - 深色主题 */
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --text-tertiary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-dark: #64748b;
    --text-dim: #475569;

    /* 渐变方案 */
    --gradient-primary: linear-gradient(135deg, #00f0ff 0%, #7b2cbf 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #7b2cbf 100%);
    --gradient-dark: linear-gradient(180deg, #02040a 0%, #0d1520 100%);
    --gradient-dark-subtle: linear-gradient(180deg, #050a14 0%, #0d1520 100%);
    --gradient-glass: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 100%
    );
    --gradient-metal: linear-gradient(135deg, #1a1f2e 0%, #0d1520 100%);
    --gradient-cyber: linear-gradient(90deg, #00f0ff 0%, #7b2cbf 50%, #ff6b35 100%);

    /* 透明度梯度 - 视频和背景使用 */
    --gradient-opacity-25: linear-gradient(
        135deg,
        rgba(0, 240, 255, 0.25) 0%,
        rgba(123, 44, 191, 0.25) 100%
    );
    --gradient-opacity-30: linear-gradient(
        135deg,
        rgba(0, 240, 255, 0.3) 0%,
        rgba(123, 44, 191, 0.3) 100%
    );
    --gradient-opacity-40: linear-gradient(
        135deg,
        rgba(0, 240, 255, 0.4) 0%,
        rgba(123, 44, 191, 0.4) 100%
    );

    /* 导航栏高度 */
    --navbar-height-desktop: 80px;
    --navbar-height-mobile: 70px;

    /* 高级阴影 - 深色主题 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.7);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.8);
    --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.4);
    --shadow-glow-purple: 0 0 30px rgba(123, 44, 191, 0.4);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    --shadow-inset: inset 0 2px 8px rgba(0, 0, 0, 0.3);

    /* 过渡动画 */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-glow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* 边框 - 深色主题 */
    --border-light: 1px solid rgba(255, 255, 255, 0.08);
    --border-glow: 1px solid rgba(0, 240, 255, 0.3);
    --border-metal: 1px solid rgba(255, 255, 255, 0.05);

    /* 字体 */
    --font-primary:
        'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Inter', 'Helvetica Neue', Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary), 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--bg-deep);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 图片优化 */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 懒加载样式 */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy.loaded {
    opacity: 1;
}

/* 图片尺寸占位 */
img[width],
img[height] {
    aspect-ratio: attr(width) / attr(height);
}

/* 动画性能优化 */
/* 使用 will-change 提示浏览器优化 */
.advantage-card:hover,
.product-card:hover,
.certificate-card:hover,
.stat-item:hover,
.btn-primary:hover,
.btn-secondary:hover,
.logo,
.market-point,
.qr-item:hover {
    will-change: transform, box-shadow;
}

/* 降低不必要动画的优先级 */
.hero-bg::before,
.hero-bg::after,
.map-container::before {
    animation-composition: add;
}

/* 禁用低性能动画的硬件加速 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 玻璃卡片样式 */

/* 使用 transform 代替 position 动画 */
.hero-title {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    perspective: 1000px;
}

.scroll-indicator {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

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

/* ==================== 导航栏 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: auto;
    min-height: 80px; /* 常显状态 */
    max-height: 80px; /* 常显状态 */
    background: rgba(5, 10, 20, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    border-bottom: var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
    /* 确保导航栏内容居中 */
    display: flex;
    justify-content: center;
    align-items: center;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.5;
}

/* 导航栏内部布局容器 */
.navbar-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 18px 20px;
    position: relative;
}

/* Logo定位到左侧 */
.navbar-inner .logo {
    position: absolute;
    left: 20px;
}

/* 导航菜单居中 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 45px;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
    transition: var(--transition-smooth);
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 100%;
}

.nav-menu a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: 10px;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.hamburger:hover {
    background: rgba(0, 240, 255, 0.1);
}

.hamburger span {
    width: 28px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-smooth);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

/* ==================== Hero Banner ==================== */
.hero {
    position: relative;
    /* 视频模块在导航栏下方,总高度为100vh */
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
    /* 为导航栏预留空间,视频不被遮挡 */
    padding-top: var(--navbar-height-desktop);
    /* 确保hero区域有自己的背景,不受body影响 */
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    /* 修复: 统一使用border-box,确保padding包含在height内 */
    box-sizing: border-box;
    /* 清除所有边距,避免黑色区域 */
    margin: 0;
    padding-bottom: 0;
}

.hero-slider {
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s ease;
}

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

.hero-bg {
    position: absolute;
    /* 视频容器从hero的顶部开始(已经有80px的padding-top) */
    top: 0;
    left: 0;
    width: 100%;
    /* 修复: 使用100%填满整个hero容器,不使用calc */
    height: 100%;
    background: transparent;
    overflow: hidden;
    z-index: 1;
    margin: 0;
    padding: 0;
}

/* 视频背景样式 - 响应式自适应 */
.hero-video {
    position: absolute;
    /* 视频从容器左上角开始 */
    top: 0;
    left: 0;
    /* 视频填满整个容器 */
    width: 100%;
    height: 100%;
    /* 使用 cover 确保视频填满容器,保持宽高比 */
    object-fit: cover;
    object-position: center center;
    z-index: 2;
    /* 过渡动画，避免切换时闪烁 */
    transition: opacity 0.3s ease;
    /* 添加与网站主题一致的浅色背景,作为视频加载前的占位 */
    background: var(--gradient-opacity-25);
    /* 确保视频不产生额外空间 */
    display: block;
    margin: 0;
    padding: 0;
    /* 修复: 确保没有transform偏移 */
    transform: none !important;
}

/* 横屏视频适配: 使用 object-position 控制裁剪位置 */
.hero-bg.adapted-landscape .hero-video {
    /* 横屏视频时,将裁剪中心向上偏移,保留更多顶部内容 */
    object-position: center top;
}

/* 竖屏视频适配: 使用 object-position 控制裁剪位置 */
.hero-bg.adapted-portrait .hero-video {
    /* 竖屏视频时,居中显示 */
    object-position: center center;
}

/* 视频未加载时使用更强的背景 */
.hero-video:not(.loaded) {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.3) 0%, rgba(123, 44, 191, 0.3) 100%);
}

/* 视频加载时的占位样式 */
.hero-video.loading {
    opacity: 0;
}

.hero-video.loaded {
    opacity: 1;
}

/* 视频遮罩层 */
.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 完全移除遮罩层背景 */
    background: transparent !important;
    z-index: 3;
    /* 移除过渡,避免闪烁 */
    transition: none;
    /* 移除box-shadow,避免影响视频显示 */
    box-shadow: none;
}

/* 高级星空背景（视频无法加载时显示） */
.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(123, 44, 191, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
    animation: bgPulse 8s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
    /* 默认隐藏，视频加载失败时显示 */
    opacity: 0;
    transition: opacity 0.5s ease;
}

/* 视频失败时显示备用背景 */
.hero-bg.video-fallback::before,
.hero-bg.video-fallback::after {
    opacity: 1;
}

@keyframes bgPulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* 星星粒子 */
.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="20" r="0.8" fill="%2300f0ff" opacity="0.6"/><circle cx="30" cy="50" r="0.6" fill="%2300f0ff" opacity="0.4"/><circle cx="60" cy="30" r="0.9" fill="%2300f0ff" opacity="0.5"/><circle cx="80" cy="70" r="0.7" fill="%2300f0ff" opacity="0.6"/><circle cx="45" cy="80" r="0.5" fill="%2300f0ff" opacity="0.4"/><circle cx="25" cy="90" r="0.8" fill="%2300f0ff" opacity="0.5"/><circle cx="70" cy="10" r="0.6" fill="%2300f0ff" opacity="0.4"/><circle cx="90" cy="40" r="0.7" fill="%2300f0ff" opacity="0.5"/></svg>');
    background-size: 150px 150px;
    animation: starMove 30s linear infinite;
    z-index: 0;
    pointer-events: none;
    /* 默认隐藏，视频加载失败时显示 */
    opacity: 0;
    transition: opacity 0.5s ease;
}

@keyframes starMove {
    from {
        transform: translateY(0) rotate(0deg);
    }
    to {
        transform: translateY(-150px) rotate(360deg);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 6px;
    line-height: 1.2;
    text-shadow: 0 0 60px rgba(0, 240, 255, 0.3);
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%,
    100% {
        text-shadow: 0 0 60px rgba(0, 240, 255, 0.3);
    }
    50% {
        text-shadow:
            0 0 80px rgba(0, 240, 255, 0.5),
            0 0 120px rgba(123, 44, 191, 0.3);
    }
}

/* 玻璃卡片样式 */

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: gradientText 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientText {
    0%,
    100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-weight: 400;
    letter-spacing: 3px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ==================== 按钮样式 ==================== */
.btn {
    padding: 16px 48px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition-smooth);
    display: inline-block;
    cursor: pointer;
    border: 2px solid transparent;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition:
        width 0.6s ease,
        height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow:
        0 0 50px rgba(0, 240, 255, 0.5),
        0 0 100px rgba(123, 44, 191, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--primary-color);
    position: relative;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50px;
    padding: 2px;
    background: var(--gradient-primary);
    /* 标准属性 - 优先定义 */
    mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask-composite: exclude;
    /* WebKit前缀 - 兼容旧版本浏览器 */
    -webkit-mask:
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: var(--transition-smooth);
}

.btn-secondary:hover::after {
    opacity: 1;
}

.btn-secondary:hover {
    border-color: transparent;
    transform: translateY(-3px);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.8);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-outline:hover {
    background: var(--gradient-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* ==================== 通用 Section ==================== */
section {
    padding: 100px 0;
    position: relative;
    background: var(--bg-deep);
}

/* ==================== 页面标题 ==================== */
.page-header {
    background: var(--gradient-dark);
    padding: 280px 0 140px;
    position: relative;
    overflow: hidden;
    border-bottom: var(--border-glow);
}

/* 英雄视频背景 */
.hero-video-section {
    position: relative;
    padding-top: 80px;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.page-hero-video {
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* 视频加载失败时的备用背景 */
.hero-video-section.video-fallback::before {
    opacity: 1 !important;
}

.hero-video-section.video-fallback .page-hero-video {
    display: none;
}

.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.page-hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.1) contrast(1.05);
}

/* 视频遮罩层 - 与首页保持一致，完全透明 */
.page-hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* 完全移除遮罩层背景，与首页保持一致 */
    background: transparent !important;
    z-index: 3;
    /* 移除过渡，避免闪烁 */
    transition: none;
    /* 移除box-shadow，避免影响视频显示 */
    box-shadow: none;
}

.hero-video-section .page-title,
.hero-video-section .page-subtitle {
    position: relative;
    z-index: 10;
    text-align: center;
}

/* 确保标题容器居中 */
.hero-video-section .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    width: 100%;
}

/* 隐藏面包屑导航 */
.hero-video-section .page-breadcrumb {
    display: none;
}

/* 页面头部背景动画效果 - 与首页保持一致 */
.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(123, 44, 191, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
    animation: headerGlow 6s ease-in-out infinite;
}

/* 页面头部底部渐变线 */
.page-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    pointer-events: none;
}

@keyframes headerGlow {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.page-title {
    font-size: 64px;
    text-align: center;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #fff 0%, #00f0ff 50%, #7b2cbf 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 2;
    font-weight: 800;
    text-shadow:
        0 0 60px rgba(0, 240, 255, 0.5),
        0 0 100px rgba(123, 44, 191, 0.3);
    animation: titleGlow 3s ease-in-out infinite;
    letter-spacing: 2px;
    width: 100%;
}

.page-subtitle {
    font-size: 22px;
    text-align: center;
    color: #e0e0e0;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out 0.2s both;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    width: 100%;
}

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

.page-breadcrumb {
    text-align: center;
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease-out 0.4s both;
    padding: 8px 20px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.page-breadcrumb a:hover {
    color: #00f0ff;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
}

.separator {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 12px;
}

.current {
    color: var(--primary-color);
    font-weight: 600;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.section-title {
    font-size: 52px;
    text-align: center;
    margin-bottom: 70px;
    position: relative;
    color: var(--text-secondary);
    font-weight: 700;
    letter-spacing: 2px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

/* ==================== 品牌优势 ==================== */
.advantages {
    background: var(--bg-dark-tertiary);
    position: relative;
    overflow: hidden;
    /* 指令方案二: 消除与上一个板块的间隙 */
    margin-top: 0 !important;
    padding-top: 100px;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 10% 10%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(123, 44, 191, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.advantages::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, transparent, var(--bg-dark));
    opacity: 0.1;
    pointer-events: none;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 35px;
    position: relative;
    z-index: 1;
}

.advantage-card {
    background: var(--bg-glass);
    padding: 50px 35px;
    border-radius: 24px;
    text-align: center;
    transition: var(--transition-smooth);
    border: var(--border-glow);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(123, 44, 191, 0.05) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: var(--primary-color);
    background: rgba(15, 24, 36, 0.95);
}

.advantage-icon {
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
}

.advantage-icon svg {
    width: 72px;
    height: 72px;
    transition: var(--transition-smooth);
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.5));
}

.advantage-card:hover .advantage-icon svg {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.8));
}

/* 3D图标样式 */
.advantage-icon-3d {
    margin-bottom: 28px;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1000px;
}

.advantage-icon-svg {
    width: 100px;
    height: 100px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.advantage-icon-svg use {
    width: 100%;
    height: 100%;
}

.advantage-card:hover .advantage-icon-3d svg,
.advantage-card:hover .advantage-icon-3d use {
    transform: translateY(-8px) rotateX(5deg) rotateY(5deg) scale(1.08);
    filter: drop-shadow(0 15px 40px rgba(0, 240, 255, 0.4));
}

.advantage-card:hover .advantage-icon-3d svg:nth-child(1) use,
.advantage-card:hover .advantage-icon-3d svg:nth-child(1) {
    filter: drop-shadow(0 15px 40px rgba(0, 240, 255, 0.4));
}

.advantage-card:hover .advantage-icon-3d svg:nth-child(2) use,
.advantage-card:hover .advantage-icon-3d svg:nth-child(2) {
    filter: drop-shadow(0 15px 40px rgba(255, 215, 0, 0.4));
}

.advantage-card:hover .advantage-icon-3d svg:nth-child(3) use,
.advantage-card:hover .advantage-icon-3d svg:nth-child(3) {
    filter: drop-shadow(0 15px 40px rgba(0, 255, 136, 0.4));
}

.advantage-card:hover .advantage-icon-3d svg:nth-child(4) use,
.advantage-card:hover .advantage-icon-3d svg:nth-child(4) {
    filter: drop-shadow(0 15px 40px rgba(255, 107, 53, 0.4));
}

.advantage-card h3 {
    font-size: 26px;
    margin-bottom: 18px;
    color: var(--text-secondary);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.advantage-card p {
    color: var(--text-muted);
    line-height: 1.9;
    font-size: 15px;
    position: relative;
    z-index: 1;
}

/* ==================== 全球市场 ==================== */
.global-market {
    background: var(--bg-dark-secondary);
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
    padding: 60px 0 80px 0; /* 减小顶部padding,让标题往上移 */
    min-height: 100vh;
}

.global-market::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(123, 44, 191, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.global-market .section-title {
    color: var(--text-primary);
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
}

.map-wrapper {
    width: 100%;
    height: 600px; /* 使用固定高度而不是vh,更稳定 */
    max-height: 70vh; /* 但限制最大高度 */
    position: relative;
    background: linear-gradient(135deg, #050a14 0%, #0d1520 100%);
    border-radius: 24px;
    border: var(--border-glow);
    overflow: hidden;
    box-shadow:
        var(--shadow-lg),
        inset 0 0 100px rgba(0, 240, 255, 0.03);
    margin: 0 auto; /* 确保居中 */
}

.map-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg at 50% 50%,
        transparent,
        rgba(0, 240, 255, 0.03),
        transparent,
        rgba(123, 44, 191, 0.03),
        transparent
    );
    animation: mapRotate 30s linear infinite;
    pointer-events: none;
    z-index: 0;
}

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

.interactive-map {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    position: relative;
    z-index: 1;
    overflow: hidden; /* 确保地图不溢出容器 */
}

.map-info-panel {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 300px;
    background: linear-gradient(135deg, rgba(15, 24, 36, 0.98) 0%, rgba(20, 30, 45, 0.97) 100%);
    border: 2px solid rgba(0, 240, 255, 0.4);
    border-radius: 20px;
    backdrop-filter: blur(25px);
    box-shadow:
        var(--shadow-lg),
        0 0 40px rgba(0, 240, 255, 0.15);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateX(30px) scale(0.95);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.map-info-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) scale(1);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 24px;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(123, 44, 191, 0.05) 100%);
    border-bottom: 2px solid rgba(0, 240, 255, 0.2);
    border-radius: 18px 18px 0 0;
}

.panel-header h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 700;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: var(--transition-smooth);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-btn:hover {
    color: var(--primary-color);
    background: rgba(0, 240, 255, 0.1);
}

.panel-content {
    padding: 20px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    transition: all 0.3s ease;
}

.info-item:last-child {
    border-bottom: none;
}

.info-item:hover {
    background: rgba(0, 240, 255, 0.05);
    padding-left: 24px;
}

.info-label {
    font-size: 15px;
    color: var(--text-muted);
    font-weight: 500;
}

.info-value {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* ==================== 光源与驱动 ==================== */
.light-source-drive {
    background: var(--bg-dark-secondary);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.light-source-drive::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 240, 255, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(123, 44, 191, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.lsd-header {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
    z-index: 1;
}

.lsd-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #00f0ff 0%, #7b2cbf 50%, #ff6b35 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: lsdGradient 4s ease infinite;
    text-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
    letter-spacing: 3px;
}

@keyframes lsdGradient {
    0%,
    100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.lsd-subtitle {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 30px;
    background: linear-gradient(135deg, #00f0ff 0%, #7b2cbf 50%, #ff6b35 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: lsdGradient 4s ease infinite;
    animation-delay: 0.5s;
    font-weight: 500;
    letter-spacing: 2px;
}

.lsd-divider {
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #00f0ff, #7b2cbf, transparent);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    animation: lsdDivider 3s ease-in-out infinite;
}

@keyframes lsdDivider {
    0%,
    100% {
        width: 120px;
        box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
    }
    50% {
        width: 180px;
        box-shadow: 0 0 30px rgba(123, 44, 191, 0.6);
    }
}

.lsd-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.lsd-col {
    display: flex;
}

.lsd-card {
    flex: 1;
    background: var(--bg-glass);
    padding: 0;
    border-radius: 24px;
    border: var(--border-glow);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.lsd-card-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    position: relative;
}

.lsd-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-smooth);
}

.lsd-card:hover .lsd-card-img {
    transform: scale(1.05);
}

.lsd-card-content {
    padding: 40px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.lsd-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.lsd-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: var(--primary-color);
}

.lsd-card-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 15px;
}

.lsd-card-title::before {
    content: '';
    width: 6px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: 3px;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.lsd-card-desc {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

.lsd-features {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
    overflow-x: auto;
    flex-wrap: nowrap;
}

.lsd-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 6px;
    background: rgba(0, 240, 255, 0.03);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.lsd-feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.2), transparent);
    transition: left 0.4s ease;
    z-index: 0;
}

.lsd-feature-item:hover::before {
    left: 100%;
}

.lsd-feature-item:hover {
    transform: translateY(-2px);
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.3);
}

.feature-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(0, 240, 255, 0.3));
}

.lsd-feature-item span {
    position: relative;
    z-index: 1;
}

.lsd-feature-icon {
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
    position: relative;
    z-index: 1;
}

.lsd-product-showcase {
    background: rgba(0, 240, 255, 0.05);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(0, 240, 255, 0.2);
    position: relative;
    z-index: 1;
    transition: var(--transition-smooth);
}

.lsd-product-showcase:hover {
    background: rgba(0, 240, 255, 0.08);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
}

.product-showcase-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

.product-showcase-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    gap: 10px;
}

.info-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 50px;
}

.info-value {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.lsd-advantages {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.lsd-advantage-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(0, 240, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(0, 240, 255, 0.1);
    transition: var(--transition-smooth);
}

.lsd-advantage-item:hover {
    background: rgba(0, 240, 255, 0.08);
    border-color: var(--primary-color);
    transform: translateX(10px);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
}

.advantage-icon svg {
    width: 100%;
    height: 100%;
    transition: var(--transition-smooth);
}

.lsd-advantage-item:hover .advantage-icon svg {
    transform: scale(1.1) rotate(5deg);
}

.lsd-advantage-item span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
}

.market-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.map-container {
    background: var(--gradient-glass);
    border-radius: 28px;
    padding: 50px;
    border: var(--border-glow);
    position: relative;
    overflow: hidden;
}

.map-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg at 50% 50%,
        transparent,
        rgba(0, 240, 255, 0.1),
        transparent 30%
    );
    animation: rotateMap 20s linear infinite;
    pointer-events: none;
}

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

.world-map {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 1;
}

.land {
    fill: rgba(0, 240, 255, 0.15);
    stroke: var(--primary-color);
    stroke-width: 1.5;
    filter: drop-shadow(0 0 5px rgba(0, 240, 255, 0.3));
}

.market-point {
    fill: var(--primary-color);
    animation: pulse 2s ease-in-out infinite;
    cursor: pointer;
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.8));
}

@keyframes pulse {
    0%,
    100% {
        r: 7;
        opacity: 1;
        filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.8));
    }
    50% {
        r: 10;
        opacity: 0.7;
        filter: drop-shadow(0 0 20px rgba(0, 240, 255, 1));
    }
}

/* 玻璃卡片样式 */

.market-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.stat-item {
    text-align: center;
    padding: 40px 25px;
    background: var(--gradient-glass);
    border-radius: 20px;
    border: var(--border-glow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 52px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/* ==================== 公司简介 ==================== */
.company-intro {
    background: var(--bg-dark-secondary);
    position: relative;
    overflow: hidden;
}

.company-intro::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.08), transparent);
    pointer-events: none;
}

.company-intro::after {
    display: none;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.intro-text {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-weight: 400;
}

.timeline {
    background: var(--bg-glass);
    padding: 35px 50px;
    border-radius: 24px;
    border: var(--border-glow);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: visible;
    backdrop-filter: blur(20px);
    height: auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.03) 0%, rgba(123, 44, 191, 0.02) 100%);
    pointer-events: none;
}

.timeline h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.timeline-item {
    display: flex;
    gap: 25px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 240, 255, 0.1);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
}

.timeline-item:hover {
    padding-left: 15px;
    background: rgba(0, 240, 255, 0.03);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
}

.timeline-item:last-child {
    border-bottom: none;
}

.year {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 85px;
}

.event {
    font-size: 15px;
    color: var(--text-muted);
    padding-top: 4px;
    line-height: 1.5;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* ==================== 荣誉资质 ==================== */
.certificates {
    background: var(--bg-deep);
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.certificates::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(123, 44, 191, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 240, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.certificates-slider {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
    min-height: 300px;
    margin: 0;
    padding: 0;
}

/* 隐藏荣誉资质板块的section-title::after,避免间隙 */
.certificates .section-title::after {
    display: none;
}

/* 加载占位符 */
.loading-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
    font-size: 18px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.certificate-card {
    background: var(--bg-glass);
    padding: 40px 25px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-smooth);
    border: var(--border-glow);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    opacity: 0;
    transform: translateY(30px);
    animation: certificateFadeIn 0.6s ease-out forwards;
}

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

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(123, 44, 191, 0.04) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.certificate-card:hover::before {
    opacity: 1;
}

.certificate-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: var(--primary-color);
    background: rgba(15, 24, 36, 0.95);
}

.certificate-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    transition: var(--transition-smooth);
    display: none; /* 默认隐藏,图片加载成功时不显示 */
}

/* 证书图片容器 */
.certificate-image-container {
    margin-bottom: 25px;
    position: relative;
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
}

.certificate-image-container:hover {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 240, 255, 0.3);
    transform: translateY(-3px);
}

.certificate-img {
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    display: block;
    z-index: 5;
    position: relative;
}

.certificate-img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

/* 当图片加载失败时,显示图标 */
.certificate-icon[style*='flex'] {
    display: flex !important;
}

/* 图片加载成功时隐藏图标 */
.certificate-image-container.loaded .certificate-icon {
    display: none !important;
}

.certificate-card:hover .certificate-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.8);
}

.certificate-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-secondary);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.certificate-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* 加载动画元素 */
.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid rgba(0, 240, 255, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: certificateLoading 1s linear infinite;
    z-index: 0;
}

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

/* 图片加载完成后隐藏加载动画 */
.certificate-image-container.loaded .loading-spinner {
    display: none;
}

.certificate-img[style*='block'] + .certificate-icon,
.certificate-img:not([style*='none']) + .certificate-icon {
    display: none !important;
}

/* ==================== 证书Lightbox（放大查看） ==================== */

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.3);
    transition:
        opacity 0.3s ease,
        transform 0.3s ease;
    cursor: zoom-in;
    opacity: 1;
    display: block;
}

.lightbox-image.loading {
    opacity: 0;
}

.lightbox-image.loaded {
    opacity: 1;
}

.lightbox-caption {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-secondary);
    font-size: 16px;
    text-align: center;
    white-space: nowrap;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10001;
}

.lightbox-prev {
    top: 50%;
    left: -70px;
    transform: translateY(-50%);
}

.lightbox-next {
    top: 50%;
    right: -70px;
    transform: translateY(-50%);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
    border-color: var(--primary-color);
    transform: translateY(-50%) scale(1.1);
}

/* 响应式优化 */
@media (max-width: 1024px) {
    .lightbox-prev {
        left: -50px;
        width: 40px;
        height: 40px;
    }

    .lightbox-next {
        right: -50px;
        width: 40px;
        height: 40px;
    }

    .lightbox-caption {
        font-size: 14px;
        bottom: -35px;
    }
}

@media (max-width: 768px) {
    .lightbox-content {
        max-width: 95vw;
    }

    .lightbox-image {
        max-height: 70vh;
    }

    .lightbox-prev {
        left: 10px;
        width: 36px;
        height: 36px;
    }

    .lightbox-next {
        right: 10px;
        width: 36px;
        height: 36px;
    }

    .lightbox-prev:hover,
    .lightbox-next:hover {
        transform: scale(1.1);
    }

    .lightbox-caption {
        bottom: -50px;
        font-size: 13px;
        padding: 0 10px;
        white-space: normal;
    }
}

/* ==================== 实时动态 ==================== */
.realtime-section {
    background: var(--bg-dark-secondary);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.realtime-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(123, 44, 191, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.realtime-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    position: relative;
    z-index: 1;
    width: 100%;
}

.realtime-container .pentagon-container {
    flex: 0 0 33.33%; /* 严格1/3宽度 */
    position: relative;
    width: 33.33%;
    max-width: 600px;
    aspect-ratio: 1/1;
}

.realtime-container .realtime-display {
    flex: 0 0 66.67%; /* 严格2/3宽度 */
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.pentagon-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.pentagon-icon {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark-primary);
    border: 3px solid rgba(0, 240, 255, 0.3);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    /* 初始位置在中心,等待JS设置 */
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.pentagon-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.pentagon-icon .icon-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    background: rgba(0, 240, 255, 0.1);
    border-radius: 50%;
}

.pentagon-icon.active {
    border-color: var(--primary-color);
    box-shadow:
        0 0 30px rgba(0, 240, 255, 0.5),
        0 8px 24px rgba(0, 0, 0, 0.4);
}

.pentagon-icon:hover:not(.active) {
    border-color: rgba(0, 240, 255, 0.6);
    transform: translate(-50%, -50%) scale(1.08);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.realtime-image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 2px solid rgba(0, 240, 255, 0.2);
    background: var(--bg-dark-primary);
    /* 固定高度防止布局抖动 */
    height: 500px;
    min-height: 500px;
    max-height: 500px;
}

.realtime-large-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* 平滑的淡入淡出过渡 */
    transition: opacity 0.3s ease-in-out;
    backface-visibility: hidden;
    will-change: opacity;
}

.realtime-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
    padding: 40px 30px 30px;
    color: white;
}

.realtime-title {
    font-size: 28px;
    margin: 0 0 12px 0;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    /* 固定高度防止文字变化导致抖动 */
    min-height: 36px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.realtime-description {
    font-size: 16px;
    line-height: 1.6;
    margin: 0;
    opacity: 0.95;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
    /* 固定高度防止文字变化导致抖动 */
    min-height: 52px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 错误提示 */
.realtime-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    padding: 30px;
}

.realtime-error .error-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 15px;
}

.realtime-error p {
    font-size: 18px;
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

/* 进度指示器 */
.progress-indicators {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
    min-height: 20px;
}

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

.progress-dot.active {
    background: var(--primary-color);
    border-color: rgba(0, 240, 255, 0.5);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.progress-dot:hover:not(.active) {
    background: rgba(0, 240, 255, 0.5);
    transform: scale(1.1);
}

/* ==================== 产品预览 ==================== */
.products-preview {
    background: var(--bg-deep);
    position: relative;
    overflow: hidden;
    padding: 100px 0;
    margin: 0;
    margin-top: -1px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin: 0;
    padding: 0;
    position: relative;
    z-index: 1;
}

/* 隐藏热门产品板块的section-title::after,避免间隙 */
.products-preview .section-title::after {
    display: none;
}

.product-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 240, 255, 0.12);
    position: relative;
    backdrop-filter: blur(10px);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(123, 44, 191, 0.04) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow:
        0 20px 60px rgba(0, 240, 255, 0.2),
        0 0 40px rgba(0, 240, 255, 0.1);
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.98);
}

.product-image {
    height: 280px;
    background: var(--gradient-metal);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
    display: block;
}

.product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 2;
}

.product-card:hover .product-image::before {
    opacity: 1;
}

.product-card:hover .product-img {
    transform: scale(1.1);
}

.placeholder-img {
    color: var(--text-muted);
    font-size: 16px;
    font-weight: 500;
    position: absolute;
    display: none; /* 默认隐藏,图片加载失败时显示 */
    z-index: 1;
}

.product-info {
    padding: 30px;
    position: relative;
    z-index: 1;
}

.product-info h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 700;
}

.product-info p {
    color: var(--text-muted);
    margin-bottom: 18px;
    line-height: 1.7;
    font-size: 15px;
}

.product-link {
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.product-link:hover {
    color: var(--primary-color);
    gap: 12px;
}

.product-link::after {
    content: '→';
    transition: var(--transition-smooth);
}

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

/* 热门产品板块底部按钮 */
.products-footer {
    margin-top: 10px;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 400px;
    background: radial-gradient(circle at 50% 0%, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-section h4 {
    font-size: 22px;
    margin-bottom: 28px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.footer-section p {
    margin-bottom: 14px;
    color: var(--text-secondary);
    line-height: 2;
    font-size: 15px;
    transition: var(--transition-smooth);
}

.footer-section p:hover {
    color: var(--primary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 14px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
    font-size: 15px;
}

.footer-section a:hover {
    color: var(--primary-color);
    padding-left: 8px;
}

.icon {
    margin-right: 12px;
}

.qr-codes {
    display: flex;
    gap: 24px;
    justify-content: center;
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: var(--transition-smooth);
}

.qr-item img {
    display: block;
    background: white;
    border-radius: 5px;
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: 7px;
    width: 120px;
    height: 120px;
    object-fit: contain;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
    transition: var(--transition-smooth);
}

.qr-item:hover img {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 240, 255, 0.4);
    border-color: var(--primary-color);
}

.qr-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 0;
    line-height: 1.4;
}

.footer-bottom {
    border-top: 1px solid rgba(0, 240, 255, 0.15);
    padding-top: 30px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: var(--text-secondary);
    margin: 0 12px;
    transition: var(--transition-smooth);
}

.footer-bottom a:hover {
    color: var(--primary-color);
}

/* ==================== 滚动指示器 ==================== */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, var(--primary-color), transparent);
    margin: 0 auto 15px;
    position: relative;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-color);
    animation: scrollDot 2s infinite;
}

@keyframes scrollDot {
    0% {
        top: 0;
        opacity: 1;
    }
    100% {
        top: 100%;
        opacity: 0;
    }
}

.scroll-indicator span {
    color: var(--text-secondary);
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ==================== 页面加载进度条 ==================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    z-index: 9999;
}

.loader-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: var(--shadow-glow);
}

.loader-complete {
    width: 100% !important;
    transition:
        width 0.3s ease,
        opacity 0.3s ease;
}

.page-loader.loaded {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

/* ==================== 响应式设计 ==================== */

/* 大屏幕优化 (1440px+) */
@media (min-width: 1440px) {
    .hero-video {
        /* 大屏幕统一使用 cover + object-position */
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
        /* 修复: 移除transform,避免偏移 */
        transform: none;
    }

    .hero-bg.adapted-landscape .hero-video {
        object-fit: cover;
        object-position: center top;
    }

    .hero-bg.adapted-portrait .hero-video {
        object-fit: cover;
        object-position: center center;
    }
}

/* 中等屏幕优化 (1024px - 1439px) */
@media (max-width: 1439px) and (min-width: 1024px) {
    .realtime-container {
        gap: 40px;
    }

    .pentagon-container {
        flex: 0 0 33.33%;
        max-width: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.125rem;
    }
}

/* 平板横屏优化 (768px - 1024px, landscape) */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
    .navbar {
        height: 60px;
    }

    .hero-content {
        padding: 20px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }
}

/* 平板尺寸优化 (768px - 1024px) */
@media (max-width: 1024px) {
    .navbar-inner {
        padding: 15px 15px;
    }

    .navbar-inner .logo {
        left: 15px;
        font-size: 24px;
    }

    .nav-menu {
        gap: 30px;
    }

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

    .certificates-slider {
        grid-template-columns: repeat(3, 1fr);
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

    .map-wrapper {
        width: 100%;
        height: 55vh;
    }

    .map-wrapper::before {
        display: none;
    }

    .map-info-panel {
        width: 240px;
        top: 15px;
        right: 15px;
    }

    .panel-header h3 {
        font-size: 16px;
    }

    .info-value {
        font-size: 14px;
    }

    .hero-title {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }

    /* 平板端实时动态保持左右布局 */
    .realtime-container {
        gap: 40px;
    }

    .pentagon-container {
        flex: 0 0 33.33%;
        max-width: none;
    }

    .realtime-display {
        flex: 0 0 66.67%;
    }

    /* 平板端视频优化 - 统一使用 cover + object-position */
    .hero-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
        /* 修复: 移除transform,避免偏移 */
        transform: none;
    }

    /* 横屏视频适配 */
    .hero-bg.adapted-landscape .hero-video {
        object-fit: cover;
        object-position: center top;
    }

    /* 竖屏视频适配 */
    .hero-bg.adapted-portrait .hero-video {
        object-fit: cover;
        object-position: center center;
    }
}

/* 玻璃卡片样式 */

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

    .realtime-container {
        flex-direction: column;
        gap: 40px;
    }

    .pentagon-container {
        width: 400px;
        height: 400px;
        margin: 0 auto;
    }

    .pentagon-icon {
        width: 80px;
        height: 80px;
        border-width: 2px;
    }

    .pentagon-icon.active {
        /* 使用JS动态设置transform */
    }

    .realtime-display {
        max-width: 100%;
        width: 100%;
    }

    .realtime-image-container {
        height: 350px;
        min-height: 350px;
        max-height: 350px;
    }

    .realtime-large-img {
        width: 100%;
        height: 350px;
    }

    .realtime-overlay {
        padding: 30px 20px 20px;
    }

    .realtime-title {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .realtime-description {
        font-size: 14px;
    }

    .navbar {
        /* 移动端保持常显状态 */
        min-height: 70px;
        max-height: 70px;
    }

    /* 热门产品板块响应式 */
    .products-footer {
        margin-top: 15px;
    }

    .navbar .container {
        /* 移动端100%不透明 */
        opacity: 1;
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        visibility: visible;
    }

    .hero {
        /* 移动端为导航栏预留70px空间 */
        padding-top: var(--navbar-height-mobile);
        /* 移动端使用box-sizing: border-box确保padding包含在高度内 */
        box-sizing: border-box;
        /* 确保移动端高度为100vh */
        min-height: 100vh;
        /* 清除所有边距,避免黑色区域 */
        margin: 0;
        padding-bottom: 0;
    }

    .hero-bg {
        /* 移动端视频从hero容器顶部开始(已有70px的padding-top) */
        top: 0;
        /* 修复: 使用100%填满整个hero容器 */
        height: 100%;
        margin: 0;
        padding: 0;
    }

    .page-header {
        padding: calc(var(--navbar-height-mobile) + 120px) 0 100px;
        min-height: 500px;
    }

    .hero-video-section {
        min-height: 500px;
    }

    .page-title {
        font-size: 36px;
    }

    .page-subtitle {
        font-size: 16px;
    }

    .search-input {
        font-size: 16px;
        padding: 18px 60px 18px 20px;
    }

    /* 移动端触摸目标优化 - 最小44x44px */
    button,
    a,
    .btn,
    .nav-link,
    .card,
    .advantage-card,
    .product-card,
    .certificate-card {
        min-width: 44px;
        min-height: 44px;
    }

    .nav-link {
        padding: 14px 18px;
        min-height: 48px;
    }

    .btn {
        padding: 14px 28px;
        min-height: 48px;
        font-size: 16px;
    }

    .progress-dot {
        width: 18px;
        height: 18px;
    }

    .hamburger {
        display: flex;
    }

    .nav-actions {
        display: none;
    }

    /* 移动端3D图标调整 */
    .advantage-icon-3d svg {
        width: 80px;
        height: 80px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        background: rgba(10, 14, 26, 0.98);
        flex-direction: column;
        padding: 40px;
        padding-top: 80px;
        transition: left 0.3s ease;
        gap: 20px;
        z-index: 1900;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }

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

    .advantages-grid,
    .products-grid,
    .certificates-slider,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .map-wrapper {
        width: 100%;
        height: 45vh;
    }

    .map-wrapper::before {
        display: none;
    }

    .map-info-panel {
        width: 200px;
        top: 10px;
        right: 10px;
    }

    .panel-header {
        padding: 15px;
    }

    .panel-header h3 {
        font-size: 14px;
    }

    .panel-content {
        padding: 15px;
    }

    .info-item {
        padding: 8px 0;
    }

    .info-label {
        font-size: 12px;
    }

    .info-value {
        font-size: 13px;
    }

    .close-btn {
        width: 28px;
        height: 28px;
        font-size: 24px;
    }

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

    .lsd-title {
        font-size: 36px;
    }

    .lsd-subtitle {
        font-size: 16px;
    }

    .lsd-card {
        padding: 35px 25px;
    }

    .lsd-card-title {
        font-size: 24px;
    }

    .lsd-card-desc {
        font-size: 14px;
    }

    .lsd-features {
        gap: 10px;
    }

    .lsd-feature-item {
        font-size: 12px;
        padding: 7px 12px;
    }

    .feature-icon {
        width: 16px;
        height: 16px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

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

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

    /* 移动端视频优化 - 统一使用 cover + object-position */
    .hero-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
        /* 修复: 移除transform,避免偏移 */
        transform: none;
        display: block;
        margin: 0;
        padding: 0;
    }

    /* 横屏视频在移动端 */
    .hero-bg.adapted-landscape .hero-video {
        object-fit: cover;
        object-position: center top;
    }

    /* 竖屏视频在移动端 */
    .hero-bg.adapted-portrait .hero-video {
        object-fit: cover;
        object-position: center center;
    }

    /* 移动端视频遮罩调整 */
    .hero-video-overlay {
        /* 移动端也使用浅色遮罩 */
        background:
            radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
            radial-gradient(circle at 80% 70%, rgba(123, 44, 191, 0.08) 0%, transparent 50%);
    }
}

/* 超小屏幕优化 (iPhone SE等) */
@media (max-width: 480px) {
    .pentagon-container {
        width: 320px;
        height: 320px;
        margin: 0 auto;
    }

    .pentagon-icon {
        width: 70px;
        height: 70px;
        border-width: 2px;
    }

    .realtime-image-container {
        height: 280px;
        min-height: 280px;
        max-height: 280px;
    }

    .realtime-large-img {
        width: 100%;
        height: 280px;
    }

    .realtime-overlay {
        padding: 20px 15px 15px;
    }

    .realtime-title {
        font-size: 20px;
        margin-bottom: 8px;
    }

    .realtime-description {
        font-size: 13px;
    }

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

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-bg {
        /* 超小屏幕同样从顶部开始 */
        top: 0;
        height: 100vh;
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .light-source-drive {
        padding: 60px 0;
    }

    .lsd-header {
        margin-bottom: 50px;
    }

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

    .lsd-subtitle {
        font-size: 16px;
    }

    .lsd-divider {
        width: 100px;
    }

    .lsd-card-image {
        height: 180px;
    }

    .lsd-card-content {
        padding: 20px 15px;
    }

    .lsd-card-title {
        font-size: 20px;
    }

    .lsd-card-desc {
        font-size: 14px;
    }

    .lsd-features {
        gap: 8px;
    }

    .lsd-feature-item {
        font-size: 11px;
        padding: 6px 10px;
    }

    .feature-icon {
        width: 14px;
        height: 14px;
    }

    .lsd-btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .product-showcase-title {
        font-size: 18px;
    }

    .info-item {
        font-size: 14px;
    }

    .lsd-advantage-item span {
        font-size: 14px;
    }

    .advantage-icon {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 375px) {
    .lsd-title {
        font-size: 28px;
    }

    .lsd-card-title {
        font-size: 20px;
    }
}

/* 玻璃卡片样式 */

/* ==================== 合作伙伴轮播区域 ==================== */
.partners-section {
    padding: 100px 0;
    background: var(--bg-deep);
    position: relative;
    overflow: hidden;
    margin-top: -1px;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.partners-section .section-title {
    color: var(--text-secondary);
    text-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
}

/* 隐藏合作伙伴板块的section-title::after,避免间隙 */
.partners-section .section-title::after {
    display: none;
}

/* 禁用partners-section::before,避免顶部间隙 */
.partners-section::before {
    display: none;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 0;
    font-weight: 400;
    letter-spacing: 1px;
}

.partners-carousel-container {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    /* 修复：改为visible确保内容不被隐藏 */
    overflow: visible !important;
}

.partners-carousel {
    display: flex !important;
    gap: 20px !important;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: grab;
    overflow: visible !important;
    padding: 10px !important;
}

.partners-carousel:active {
    cursor: grabbing;
}

.partner-logo {
    flex: 0 0 auto;
    width: 180px;
    height: 120px;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: var(--bg-glass);
    border: 1px solid rgba(0, 240, 255, 0.1);
    border-radius: 12px;
    padding: 10px;
    transition: all 0.3s ease;
    position: relative;
    backdrop-filter: blur(10px);
    overflow: visible !important;
    cursor: pointer;
}

.partner-logo:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 240, 255, 0.3);
    border-color: rgba(0, 240, 255, 0.3);
}

.partner-logo img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    /* 修复：移除灰度滤镜，确保图片清晰可见 */
    filter: none !important;
    opacity: 1 !important;
    transition: all 0.3s ease;
    display: block !important;
    /* 强制显示，覆盖可能的样式冲突 */
    visibility: visible !important;
    /* 确保没有被其他样式影响 */
    position: relative !important;
    z-index: 1 !important;
    border-radius: 6px;
}

.partner-logo:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 10px 40px rgba(0, 240, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
}

.partner-logo:hover img {
    /* 悬停时可以添加轻微效果，不改变显示 */
    filter: brightness(1.1);
    opacity: 1;
}

/* 轮播控制按钮 */
.carousel-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.carousel-nav-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--primary-color);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.carousel-nav-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
    transform: scale(1.1);
}

.carousel-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-nav-btn:disabled:hover {
    background: var(--bg-glass);
    border-color: rgba(0, 240, 255, 0.2);
    box-shadow: none;
    transform: none;
}

/* 轮播指示器 */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bg-dark-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator:hover {
    background: var(--primary-color);
    transform: scale(1.2);
}

.carousel-indicator.active {
    background: var(--primary-color);
    width: 24px;
    border-radius: 4px;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

/* Logo放大弹窗 */
.logo-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.logo-modal-content {
    max-width: 90%;
    max-height: 90%;
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-modal.active .logo-modal-content {
    transform: scale(1);
    opacity: 1;
}

.logo-modal-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .partners-carousel {
        gap: 30px;
    }
    .partner-logo {
        width: 150px;
        height: 100px;
    }
    .section-subtitle {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .partners-section {
        padding: 60px 0;
    }
    .partners-carousel {
        gap: 20px;
    }
    .partner-logo {
        width: 120px;
        height: 80px;
        padding: 15px;
    }
    .carousel-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    .logo-modal-content img {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .partners-section .section-title {
        font-size: 32px;
    }
    .section-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }
    .partners-carousel {
        gap: 15px;
    }
    .partner-logo {
        width: 100px;
        height: 70px;
        padding: 10px;
    }
    .carousel-nav {
        gap: 15px;
        margin-top: 30px;
    }
}

/* ==================== 简化的证书和合作伙伴样式 ==================== */

/* 证书网格布局 - 单行横向排列 */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    max-width: 100%;
    margin: 0 auto;
}

/* 证书卡片 */
.certificates-grid .certificate-card {
    background: var(--bg-glass);
    border: var(--border-glow);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
}

.certificates-grid .certificate-card:hover {
    border-color: var(--primary-color);
}

.certificates-grid .certificate-img {
    width: 100%;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    border-radius: 8px;
}

.certificates-grid .certificate-img:hover {
    transform: scale(1.05);
}

.certificates-grid .certificate-title {
    margin-top: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 合作伙伴网格布局 - 单行横向排列 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 合作伙伴logo */
.partners-grid .partner-logo {
    background: var(--bg-glass);
    border: var(--border-glow);
    border-radius: 12px;
    padding: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
    min-height: 100px;
    aspect-ratio: 1;
}

.partners-grid .partner-logo:hover {
    border-color: var(--primary-color);
}

.partners-grid .partner-logo img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
}

/* 证书模态框 */
.certificates-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.certificates-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.certificates-modal-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    background: white;
    padding: 20px;
}

.certificates-modal-caption {
    margin-top: 15px;
    color: var(--text-secondary);
    font-size: 16px;
    text-align: center;
}

/* 合作伙伴模态框 */
.partners-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.partners-modal-content {
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners-modal-content img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .timeline {
        padding: 25px 30px;
    }

    .timeline h3 {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .year {
        font-size: 20px;
        min-width: 70px;
    }

    .event {
        font-size: 14px;
        line-height: 1.4;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .partners-grid .partner-logo {
        padding: 12px;
        min-height: 80px;
    }

    .partners-grid .partner-logo img {
        max-height: 45px;
    }
}

@media (max-width: 480px) {
    .certificates-grid {
        grid-template-columns: 1fr;
    }

    .qr-codes {
        flex-direction: column;
        gap: 25px;
    }

    .qr-item {
        gap: 15px;
    }

    .qr-item img {
        width: 133px;
        height: 133px;
        padding: 8px;
        border-radius: 5px;
    }

    .qr-label {
        font-size: 14px;
    }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .partners-grid .partner-logo {
        padding: 15px;
        min-height: 100px;
    }
    .partners-grid .partner-logo img {
        max-height: 60px;
    }
}