/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        
        /* 全局媒体元素自适应，避免小屏溢出 */
        img,
        video {
            max-width: 100%;
            height: auto;
        }
        
        :root {
            --primary: #6366f1;
            --secondary: #8b5cf6;
            --accent: #ec4899;
            --dark: #1e293b;
            --light: #f8fafc;
            --glass: rgba(114, 114, 114, 0.07);
            --glass-border: rgba(255, 255, 255, 0.2);
            --shadow: 0 8px 32px rgba(31, 38, 135, 0.2);
            --neumorphic: inset 5px 5px 10px rgba(0, 0, 0, 0.1), 
                          inset -5px -5px 10px rgba(255, 255, 255, 0.04);
            --container-max: 1000px;
            --transition-fast: all 0.3s ease;
            --transition-normal: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: all 0.6s ease;
        }
        
        body {
            background: linear-gradient(135deg, #0f172a, #1e293b);
            color: var(--light);
            overflow-x: hidden;
            line-height: 1.6;
        }
        
        /* 毛玻璃效果基础 */
        .glass {
            background: var(--glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            box-shadow: var(--shadow);
            transition: var(--transition-normal);
        }
        
        /* 拟态设计元素 */
        .neumorphic {
            background: linear-gradient(145deg, #1e293b, #0f172a);
            border-radius: 24px;
            box-shadow: var(--neumorphic);
            transition: var(--transition-normal);
        }
        
        /* 导航栏 - 毛玻璃效果 */
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 5px 5%;
            position: fixed;
            width: 100%;
            z-index: 1000;
            top: 0;
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateY(-20px);
            animation: fadeSlideDown 0.8s forwards 0.3s;
            /* backdrop-filter: blur(10px); */
            /* -webkit-backdrop-filter: blur(10px); */
        }
        
        @keyframes fadeSlideDown {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .navbar.scrolled {
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(10px);
            padding: 15px 5%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        
        .navbar .logo-container {
            padding: 7px 15px;
            display: flex;
            align-items: center;
            gap: 15px;
            flex-shrink: 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo-img {
            width: 150px;
            display: flex;
        }
        
        .logo:hover .logo-img {
            transform: scale(1.1);
        }

        /* 介绍页样式 */
        .intro-page .intro-cover {
            display: block;
            position: relative;
            width: 100%;
            height: 38vw;
            max-height: 520px;
            min-height: 220px;
            border-radius: 24px;
            overflow: hidden;
            margin: 20px auto 30px;
        }
        .intro-page .intro-cover-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transform: scale(1.03);
            transition: transform .6s ease;
        }
        .intro-page .intro-cover:hover .intro-cover-bg {
            transform: scale(1.08);
        }
        .intro-page .intro-cover-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(0,0,0,.05), rgba(0,0,0,.35));
        }
        .intro-page .container {
            width: 92%;
            max-width: var(--container-max);
            margin: 0 auto 80px;
            padding: 28px 28px 32px;
        }
        .intro-page .intro-content h1 {
            font-size: 2.2rem;
            line-height: 1.25;
            margin-bottom: 10px;
        }
        .intro-page .intro-subtitle {
            font-size: 1.125rem;
            color: #cbd5e1;
            margin-bottom: 18px;
            font-weight: 500;
        }
        .intro-page .intro-body p {
            margin-bottom: 12px;
            color: #e2e8f0;
        }

        @media (max-width: 768px) {
            .intro-page .intro-content h1 { font-size: 1.6rem; }
            .intro-page .intro-subtitle { font-size: 1rem; }
        }
        
        .nav-links {
            display: flex;
            gap: 25px;
            flex: 1;
            justify-content: center;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--light);
            font-weight: 500;
            transition: var(--transition-fast);
            padding: 8px 16px;
            border-radius: 16px;
            position: relative;
            overflow: hidden;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        
        .nav-links a:hover::after {
            width: 70%;
        }
        
        .nav-links a:hover {
            color: #c7d2fe;
            background: rgba(255, 255, 255, 0.05);
        }
        
        /* 下拉菜单样式 */
        .nav-item {
            position: relative;
            display: inline-block;
        }
        
        /* 确保下拉菜单在桌面端正确显示 */
        .dropdown {
            position: relative;
            display: inline-block;
        }
        
        /* 导航栏层级管理 */
        .navbar { z-index: 1000; }
        .dropdown-menu { z-index: 1001; }
        
        .nav-item .dropdown-toggle {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            user-select: none;
            text-decoration: none;
            color: var(--light);
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 8px 16px;
            border-radius: 16px;
            position: relative;
            overflow: hidden;
        }
        
        .nav-item .dropdown-toggle::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            transition: transform 0.3s ease;
        }
        
        .nav-item:hover .dropdown-toggle::after {
            transform: rotate(180deg);
        }
        
        .nav-item .dropdown-toggle::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        
        .nav-item:hover .dropdown-toggle::before {
            width: 70%;
        }
        
        .nav-item:hover .dropdown-toggle {
            color: #c7d2fe;
            background: rgba(255, 255, 255, 0.05);
        }
        
        .dropdown-menu {
            position: absolute;
            top: calc(100% + 5px);
            left: 50%;
            transform: translateX(-50%) translateY(-10px);
            min-width: 200px;
            background: rgba(15, 23, 42, 0.95);
            backdrop-filter: blur(15px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            z-index: 1001;
        }
        
        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        
        .dropdown-menu::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 8px solid rgba(15, 23, 42, 0.95);
        }
        
        .dropdown-item {
            display: block;
            padding: 12px 20px;
            color: var(--light);
            -webkit-text-fill-color: currentColor;
            text-decoration: none;
            transition: all 0.3s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }
        
        .dropdown-item:last-child {
            border-bottom: none;
        }
        
        .dropdown-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 0;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: width 0.3s ease;
            z-index: -1;
        }
        
        .dropdown-item:hover::before {
            width: 100%;
        }
        
        .dropdown-item:hover {
            color: white;
            padding-left: 25px;
            background: rgba(99, 102, 241, 0.1);
        }
        
        .dropdown-item i {
            margin-right: 10px;
            width: 16px;
            text-align: center;
        }
        
        /* 主页面区域 - 视频背景 */
        .hero {
            height: 100vh;
            height: 100dvh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            padding: 0 5%;
        }
        
        /* 视频背景容器 */
        .video-container {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        /* 视频元素 - 全屏背景 */
        .hero-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            opacity: 0.8;
            /* filter: blur(2px); */
        }
        
        /* 主内容区 - 毛玻璃卡片 */
        .hero-content {
            max-width: 650px;
            padding: calc(80px + 5vh) 50px 50px;
            margin-left: 8%;
            transform: translateY(30px);
            opacity: 0;
            animation: fadeSlideUp 1s forwards 0.8s;
        }
        
        /* 防止导航栏遮挡的通用解决方案 */
        .navbar-safe-area {
            padding-top: calc(120px + 10vh) !important;
        }
        
        /* 针对不同页面的安全区域调整 */
        .hero .navbar-safe-area {
            padding-top: calc(140px + 12vh) !important;
        }
        
        /* 产品页面的安全区域 */
        .product-hero .navbar-safe-area {
            padding-top: calc(180px + 18vh) !important;
        }
        
        /* XR/MR产品页面的特殊安全区域 */
        .product-hero .hero-content.navbar-safe-area {
            padding-top: 80px !important;
        }
        
        /* 针对XR/MR产品页面的额外安全区域保障 */
        .product-hero.xr-mr-page .hero-content {
            padding-top: calc(200px + 20vh) !important;
        }
        
        /* 桌面端特别优化 */
        @media (min-width: 1024px) {
            .product-hero.xr-mr-page .hero-content {
                padding-top: 320px !important;
            }
        }
        
        /* 大屏幕特别优化 */
        @media (min-width: 1440px) {
            .product-hero.xr-mr-page .hero-content {
                padding-top: 350px !important;
            }
        }
        
        /* 确保XR/MR页面在任何情况下都不会被遮挡 */
        .product-hero.xr-mr-page .hero-content.navbar-safe-area {
            padding-top: max(320px, calc(180px + 20vh)) !important;
        }
        @keyframes fadeSlideUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .hero h1 {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(90deg, #fff, #c7d2fe);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }
        
        .hero h1 span {
            display: inline-block;
            opacity: 1;
        }
        
        .hero h1 span:nth-child(1) { animation-delay: 0.9s; }
        .hero h1 span:nth-child(2) { animation-delay: 1.1s; }
        .hero h1 span:nth-child(3) { animation-delay: 1.3s; }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 40px;
            color: #cbd5e1;
            opacity: 0;
            animation: fadeIn 1s forwards 1.5s;
        }
        
        @keyframes fadeIn {
            to { opacity: 1; }
        }
        
        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 16px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition-fast);
            margin-right: 15px;
            margin-top: 10px;
            cursor: pointer;
            border: none;
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeSlideUp 0.6s forwards;
        }
        
        .btn-primary {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
            animation-delay: 1.7s;
        }
        
        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            animation-delay: 1.9s;
        }

        .btn-fw {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            animation-delay: 1.9s;
            margin-top: auto;
        }
        
        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
        }
        
        .btn-outline:hover {
            background: rgba(99, 102, 241, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.2);
        }
        
        .btn::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 150%;
            height: 150%;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
            transform: translate(-50%, -50%) scale(0);
            transition: var(--transition-slow);
        }
        
        .btn:hover::after {
            transform: translate(-50%, -50%) scale(1);
        }
        
        /* 关于我们部分 */
        .about {
            padding: 100px 5%;
            background: rgba(15, 23, 42, 0.7);
            position: relative;
        }
        
        .about::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.7), transparent);
            z-index: 1;
        }
        
        .about-content {
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
            opacity: 0;
            transform: translateX(-30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .about-text.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            height: 400px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            opacity: 0;
            transform: translateX(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
        }
        
        .about-image.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .about-logo {
            position: absolute;
            top: 30px;
            left: 30px;
            background: rgba(30, 41, 59, 0.8);
            backdrop-filter: blur(5px);
            border-radius: 16px;
            padding: 15px;
            z-index: 2;
        }
        
        .about-logo img {
            width: 80px;
            height: auto;
        }
        
        .about-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        .about-image:hover img {
            transform: scale(1.1);
        }
        
        .about h2 {
            font-size: 2.8rem;
            margin-bottom: 30px;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
            display: inline-block;
        }
        
        .about h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            border-radius: 3px;
        }
        
        .about p {
            font-size: 1.2rem;
            color: #94a3b8;
            margin-bottom: 20px;
            line-height: 1.8;
        }
        
        .stats-container {
            display: flex;
            gap: 30px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        
        .stat-item {
            flex: 1;
            min-width: 150px;
            text-align: center;
            padding: 20px;
            background: rgba(30, 41, 59, 0.6);
            border-radius: 16px;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            transform: translateY(20px);
        }
        
        .stat-item.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .stat-item:nth-child(1) { transition-delay: 0.1s; }
        .stat-item:nth-child(2) { transition-delay: 0.2s; }
        .stat-item:nth-child(3) { transition-delay: 0.3s; }
        .stat-item:nth-child(4) { transition-delay: 0.4s; }
        
        .stat-item:hover {
            transform: translateY(-10px) scale(1.03);
            background: rgba(99, 102, 241, 0.15);
            box-shadow: 0 10px 30px rgba(99, 102, 241, 0.1);
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        
        .stat-label {
            font-size: 1.1rem;
            color: #cbd5e1;
        }
        
        /* 服务部分 - 拟态设计卡片 */
        .services {
            padding: 100px 5%;
            background: rgba(15, 23, 42, 0.5);
            position: relative;
        }
        
        .services::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.5), transparent);
            z-index: 1;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 70px;
            position: relative;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .section-header.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .section-logo {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(30, 41, 59, 0.8);
            backdrop-filter: blur(5px);
            border-radius: 50%;
            width: 70px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            animation: pulse 3s infinite;
        }
        
        @keyframes pulse {
            0%, 100% { transform: translateX(-50%) scale(1); }
            50% { transform: translateX(-50%) scale(1.05); }
        }
        
        .section-logo img {
            width: 40px;
            height: auto;
        }
        
        .section-header h2 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            position: relative;
            padding-top: 20px;
        }
        
        .section-header p {
            font-size: 1.2rem;
            color: #94a3b8;
            max-width: 700px;
            margin: 20px auto 0;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .service-card {
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            transition: var(--transition-normal);
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .service-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .service-card:nth-child(1) { transition-delay: 0.1s; }
        .service-card:nth-child(2) { transition-delay: 0.2s; }
        .service-card:nth-child(3) { transition-delay: 0.3s; }
        
        .service-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: inset 8px 8px 16px rgba(0, 0, 0, 0.15), 
                        inset -8px -8px 16px rgba(255, 255, 255, 0.05);
        }
        
        .service-logo {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            opacity: 0.05;
            z-index: 0;
        }
        
        .service-icon {
            width: 80px;
            height: 80px;
            margin-bottom: 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            font-size: 2rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            position: relative;
            z-index: 1;
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.2);
            transition: var(--transition-fast);
        }
        
        .service-card:hover .service-icon {
            transform: scale(1.1);
            box-shadow: 0 15px 30px rgba(99, 102, 241, 0.3);
        }
        
        .service-card h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: #e2e8f0;
            position: relative;
            z-index: 1;
        }
        
        .service-card p {
            color: #94a3b8;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        /* 服务卡片：要点列表 */
        .service-features {
            list-style: none;
            margin: 8px 0 12px;
            padding: 0;
            display: grid;
            gap: 8px;
        }
        .service-card .service-features,
        .service-card .service-features li {
            list-style: none !important;
            padding-left: 0;
            margin-left: 0;
        }
        .service-card .service-features li::marker { content: '' }
        .service-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: #94a3b8;
            font-size: 0.98rem;
            line-height: 1.6;
        }
        .service-features i {
            color: var(--primary);
            margin-top: 2px;
            flex-shrink: 0;
            font-size: 0.9rem;
            opacity: .95;
        }
        
        /* 新闻板块 */
        .news {
            padding: 100px 5%;
            background: rgba(15, 23, 42, 0.6);
            position: relative;
        }
        
        .news::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.6), transparent);
            z-index: 1;
        }
        
        .news-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        /* 小屏新闻区单列，避免拥挤与横向滚动 */
        @media (max-width: 480px) {
            .news-container {
                grid-template-columns: 1fr;
            }
        }
        
        .news-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            overflow: hidden;
            transition: var(--transition-normal);
            opacity: 0;
            transform: translateY(30px);
            text-decoration: none;
            color: inherit;
        }
        
        .news-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .news-card:nth-child(1) { transition-delay: 0.1s; }
        .news-card:nth-child(2) { transition-delay: 0.2s; }
        .news-card:nth-child(3) { transition-delay: 0.3s; }
        
        .news-card:hover {
            transform: translateY(-10px) scale(1.01);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        
        .news-image {
            height: 220px;
            width: 100%;
            object-fit: cover;
            border-radius: 20px 20px 0 0;
            transition: var(--transition-slow);
        }
        
        .news-card:hover .news-image {
            transform: scale(1.08);
        }
        
        .news-content {
            padding: 30px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .news-date {
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .news-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: #e2e8f0;
            transition: color 0.3s ease;
        }
        
        .news-card:hover .news-title {
            color: var(--accent);
        }
        
        .news-excerpt {
            color: #94a3b8;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        
        .news-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-fast);
            width: fit-content;
        }
        
        .news-link:hover {
            gap: 12px;
            color: var(--accent);
        }
        
        .news-link i {
            transition: var(--transition-fast);
        }
        
        .news-link:hover i {
            transform: translateX(5px);
        }
        
        /* 新闻容器：横向列表布局（用于 news.php） */
        .news-container.news-horizontal {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            overflow-y: hidden;
            gap: 30px; /* 复用原有间距视觉 */
            margin-top: 50px; /* 与网格版一致 */
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px; /* 预留滚动条空间 */
        }
        
        .news-container.news-horizontal .news-card {
            flex: 0 0 360px; /* 固定卡片宽度，形成水平滚动 */
            scroll-snap-align: start;
        }
        
        @media (max-width: 768px) {
            .news-container.news-horizontal .news-card {
                flex-basis: 80vw; /* 小屏更宽，便于阅读 */
            }
        }

        /* 新闻容器：列表模式（单列，用于 news.php） */
        .news-container.news-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            margin-top: 50px;
        }

        .news-container.news-list .news-card {
            display: flex;
            flex-direction: row;
            align-items: stretch;
            width: 100%;
            border-radius: 16px;
            overflow: hidden;
        }

        .news-container.news-list .news-card .news-image {
            width: 240px;
            height: auto;
            object-fit: cover;
            border-radius: 0;
            flex-shrink: 0;
            align-self: stretch;
            display: block;
        }

        .news-container.news-list .news-card .news-content {
            padding: 20px 24px;
        }

        /* 列表模式：固定卡片高度与文本行数，保持大小一致（桌面端） */
        .news-container.news-list .news-card {
            height: 200px;
        }
        .news-container.news-list .news-card .news-image {
            height: 100%;
        }
        .news-container.news-list .news-card .news-content {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .news-container.news-list .news-card .news-title {
            display: -webkit-box;
            line-clamp: 2;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-container.news-list .news-card .news-excerpt {
            display: -webkit-box;
            line-clamp: 2;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 768px) {
            .news-container.news-list .news-card {
                flex-direction: column;
                height: auto; /* 移动端恢复自适应高度，避免内容被裁切 */
            }
            .news-container.news-list .news-card .news-image {
                width: 100%;
                height: 200px;
                border-radius: 12px 12px 0 0;
            }
            .news-container.news-list .news-card .news-content {
                padding: 16px 18px;
            }
            .news-container.news-list .news-card .news-excerpt {
                line-clamp: 3;
                -webkit-line-clamp: 3; /* 移动端多显示一行摘要 */
            }
        }
        
        /* 合作伙伴部分 - 网格展示 */
        .partners {
            padding: 100px 5%;
            position: relative;
        }
        
        .partners::before {
            content: '';
            position: absolute;
            top: -50px;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
            z-index: 1;
        }
        
        .partners-container {
            position: relative;
            max-width: 1200px;
            margin: 50px auto 0;
        }
        
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 30px;
            padding: 20px 0;
        }
        
        .partner-item {
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            transition: var(--transition-normal);
            opacity: 0;
            transform: scale(0.9);
        }
        
        .partner-item.visible {
            opacity: 1;
            transform: scale(1);
        }
        
        .partner-item:hover {
            transform: scale(1.1);
        }
        
        .partner-logo {
            max-width: 100%;
            max-height: 100%;
            filter: grayscale(100%) brightness(1.5);
            transition: var(--transition-normal);
            object-fit: contain;
        }
        
        .partner-item:hover .partner-logo {
            filter: grayscale(0%) brightness(1);
            transform: scale(1.1);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 480px) {
            .partners-grid {
                grid-template-columns: 1fr;
            }
            .partner-item {
                height: 100px;
            }
        }
        
        /* 页脚 - 重新设计 */
        .footer {
            padding: 80px 5% 40px;
            background: rgba(15, 23, 42, 0.9);
            position: relative;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 50px;
        }
        
        .footer-logo-section {
            flex: 1;
            min-width: 300px;
        }
        
        .footer-contact {
            flex: 2;
            min-width: 300px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }
        
        .footer-logo .logo-img {
            width: 180px;
            /* height: 60px; */
            font-size: 1.8rem;
        }
        
        .footer-logo .logo-text {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .footer p {
            color: #94a3b8;
            line-height: 1.8;
            max-width: 400px;
        }
        
        .contact-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        
        .info-item {
            display: flex;
            gap: 15px;
            align-items: flex-start;
            transition: var(--transition-fast);
        }
        
        .info-item:hover {
            transform: translateX(5px);
        }
        
        .info-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 5px 15px rgba(99, 102, 241, 0.2);
            transition: var(--transition-fast);
        }
        
        .info-item:hover .info-icon {
            transform: scale(1.1) rotate(10deg);
        }
        
        .info-text h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: #e2e8f0;
        }
        
        .info-text p {
            color: #94a3b8;
            font-size: 1rem;
            margin: 0;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: rgba(30, 41, 59, 0.6);
            color: white;
            font-size: 1.1rem;
            transition: var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        
        .social-links a::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 150%;
            height: 150%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            transform: translate(-50%, -50%) scale(0);
            border-radius: 50%;
            transition: var(--transition-normal);
            z-index: 0;
        }
        
        .social-links a:hover::before {
            transform: translate(-50%, -50%) scale(1);
        }
        
        .social-links a i {
            position: relative;
            z-index: 1;
            transition: var(--transition-fast);
        }
        
        .social-links a:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        .social-links a:hover i {
            transform: scale(1.2);
        }
        
        .footer-bottom {
            max-width: 1200px;
            margin: 60px auto 0;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: #94a3b8;
        }
        
        .footer-bottom p {
            margin: 10px 0;
            max-width: none;
        }
        
        /* 平板和移动端响应式 */
        @media (max-width: 992px) {
            .hero h1 { font-size: 3rem; }
            
            .navbar {
                padding: 15px 5%;
                position: relative;
                overflow: visible;
            }
            
            .navbar .logo-container {
                padding: 12px 20px;
                flex: 1;
            }
            
            .nav-links {
                display: none !important;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(15, 23, 42, 0.95);
                backdrop-filter: blur(15px);
                border-radius: 0 0 16px 16px;
                padding: 20px;
                flex-direction: column;
                gap: 15px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
                transition: all 0.3s ease;
                z-index: 1002;
                border: 2px solid #6366f1;
            }
            
            .nav-links.show { 
                display: flex !important; 
            }
            
            .mobile-menu-btn {
                display: flex !important;
                margin-left: auto;
            }
            
            /* 移动端导航样式 */
            .nav-links a,
            .nav-links .dropdown-toggle {
                width: 100%;
                padding: 16px 20px;
                border-radius: 12px;
                cursor: pointer;
            }
            
            .nav-links .nav-item { width: 100%; }
            
            /* 移动端下拉菜单 */
            .dropdown-menu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                background: transparent;
                border: none;
                box-shadow: none;
                margin-top: 10px;
                padding-left: 20px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
                width: 100%;
                display: block;
            }
            
            .dropdown-menu.show {
                max-height: 300px !important;
                padding-bottom: 10px !important;
            }
            
            .dropdown-menu::before { display: none; }
            
            .dropdown-item {
                padding: 12px 20px;
                width: 100%;
                cursor: pointer;
            }
            
            .dropdown-item:hover {
                padding-left: 25px;
                background: rgba(99, 102, 241, 0.15);
                color: #ffffff;
            }
            
            .partner-item {
                min-width: calc(50% - 15px);
                flex: 0 0 calc(50% - 15px);
            }
        }
        
        @media (max-width: 768px) {
            .hero-content {
                margin-left: 0;
                padding: calc(60px + 8vh) 30px 30px;
            }
            
            /* 移动端安全区域调整 */
            .navbar-safe-area {
                padding-top: calc(60px + 8vh) !important;
            }
            
            .hero .navbar-safe-area {
                padding-top: calc(80px + 10vh) !important;
            }
            
            .product-hero .navbar-safe-area {
                padding-top: calc(100px + 12vh) !important;
            }
            
            /* 确保移动端导航栏正确显示 */
            .navbar {
                padding: 10px 5%;
            }
            
            .nav-links {
                top: 100%;
                left: 0;
                right: 0;
                width: 100%;
                max-height: 80vh;
                overflow-y: auto;
            }
            
            .btn {
                display: block;
                width: 100%;
                margin-bottom: 15px;
                text-align: center;
            }
            
            .about h2 {
                font-size: 2.2rem;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .about-image {
                height: 300px;
            }
            
            .about-logo {
                top: 15px;
                left: 15px;
                padding: 10px;
            }
            
            .about-logo img {
                width: 60px;
            }
            
            .partner-item {
                min-width: calc(100% - 0px);
                flex: 0 0 calc(100% - 0px);
                height: 150px;
            }
            
            .footer-content {
                flex-direction: column;
            }
            
            .contact-info {
                grid-template-columns: 1fr;
            }
            
            .navbar .logo-container {
                padding: 10px 15px;
            }
            
            .logo {
                font-size: 1.5rem;
            }
            
            .logo-img {
                width: 35px;
                height: 35px;
            }
        }
        
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2.2rem;
                
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .about h2 {
                font-size: 1.8rem;
            }
            
            .service-card {
                padding: 30px 20px;
            }
            
            .stat-item {
                min-width: 100%;
            }
            
            .section-logo {
                width: 50px;
                height: 50px;
            }
            
            .section-logo img {
                width: 25px;
            }
        }
        
        /* 动画效果 */
        
        /* 移动菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: transparent;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            z-index: 1002;
            padding: 12px;
            border-radius: 8px;
            min-width: 44px;
            min-height: 44px;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .mobile-menu-btn:hover,
        .mobile-menu-btn:active {
            transform: scale(0.95);
            background: rgba(255, 255, 255, 0.1);
        }
        
        /* 移动端优化 */
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
                background: rgba(255, 255, 255, 0.1);
                backdrop-filter: blur(10px);
                border: 1px solid rgba(255, 255, 255, 0.2);
                box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            }
            
            .mobile-menu-btn:hover,
            .mobile-menu-btn:active {
                background: rgba(255, 255, 255, 0.2);
            }
        }
        
        /* 新闻标签 */
        .news-tag {
            display: inline-block;
            padding: 5px 12px;
            background: rgba(99, 102, 241, 0.2);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 10px;
            transition: var(--transition-fast);
        }
        
        .news-tag:hover {
            background: rgba(99, 102, 241, 0.4);
            transform: scale(1.05);
        }
        

        /* 详情页样式 */
        .news-detail-page .news-detail-hero {
            position: relative;
            width: 100%;
            height: 60vh;
            min-height: 360px;
            max-height: 70vh;
            margin-top: 80px; /* 为固定导航栏留出空间 */
            overflow: hidden;
        }
        .news-detail-page .news-detail-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transform: scale(1.03);
            filter: brightness(0.9);
        }
        .news-detail-page .news-detail-hero-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.55));
        }
        .news-detail-page .news-detail-hero-title {
            position: absolute;
            left: 50%;
            top: 65%;
            transform: translate(-50%, -50%);
            padding: 22px 28px;
            border-radius: 18px;
            text-align: center;
            max-width: 92%;
        }
        .news-detail-page .news-detail-hero-title h1 {
            font-size: 2.2rem;
            line-height: 1.25;
            color: #fff;
            -webkit-text-fill-color: #fff;
        }
        .news-detail-page .news-detail-content {
            width: 92%;
            max-width: var(--container-max);
            margin: -60px auto 80px; /* 上拉卡片覆盖到背景下缘 */
            padding: 28px 28px 36px;
        }
        .news-detail-page .detail-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            color: #94a3b8;
        }
        .news-detail-page .detail-date i {
            color: var(--primary);
            margin-right: 6px;
        }
        .news-detail-page .detail-body {
            color: #e2e8f0;
            line-height: 1.9;
        }
        .news-detail-page .detail-body p { margin: 10px 0; }

        /* 详情页正文媒体与表格的适配 */
        .news-detail-page .detail-body img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 16px auto;
            border-radius: 8px;
        }
        .news-detail-page .detail-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0;
        }
        .news-detail-page .detail-body th,
        .news-detail-page .detail-body td {
            border: 1px solid rgba(255,255,255,0.12);
            padding: 8px 10px;
        }

        @media (max-width: 768px) {
            .news-detail-page .news-detail-hero { height: 46vh; min-height: 260px; margin-top: 60px; }
            .news-detail-page .news-detail-hero-title h1 { font-size: 1.6rem; }
            .news-detail-page .news-detail-content { margin-top: -40px; padding: 20px; }
        }


        @media (max-width: 768px) {
            .navbar .logo-container { padding: 8px 10px; }
            .logo-img { width: auto; height: auto; }
            .navbar .logo-container .logo-img img { height: 30px; width: auto; }
        }

        @media (max-width: 480px) {
            .navbar .logo-container .logo-img img { height: 28px; }
        }

/* 特性展示块 */
.features-row {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
    margin: 40px 0 60px 0;
}
.feature-block {
    background: rgba(30,41,59,0.7);
    border-radius: 20px;
    padding: 36px 28px;
    min-width: 200px;
    max-width: 260px;
    flex: 1 1 220px;
    text-align: center;
    transition: var(--transition-fast);
}
.feature-block:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 32px rgba(99,102,241,0.18);
}
.feature-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 18px;
    background: rgba(99,102,241,0.08);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-title {
    font-size: 1.18rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 8px;
}
.feature-desc {
    color: #94a3b8;
    font-size: 1rem;
}
@media (max-width: 900px) {
    .features-row { flex-direction: column; gap: 18px; }
    .feature-block { max-width: 100%; width: 100%; }
}

/* 时间轴 */
.timeline-horizontal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 36px;
    margin: 40px 0 60px 0;
    position: relative;
}
.timeline-step {
    background: rgba(99,102,241,0.09);
    border-radius: 18px;
    padding: 28px 22px;
    min-width: 160px;
    max-width: 200px;
    flex: 1 1 160px;
    text-align: center;
    position: relative;
    z-index: 2;
}
.timeline-icon {
    font-size: 1.7rem;
    color: var(--secondary);
    background: rgba(139,92,246,0.09);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.timeline-title {
    font-size: 1.08rem;
    color: #e2e8f0;
    font-weight: 600;
}
.timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 6%;
    right: 6%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
    transform: translateY(-50%);
}
@media (max-width: 900px) {
    .timeline-horizontal { flex-direction: column; gap: 18px; }
    .timeline-horizontal::before { display: none; }
    .timeline-step { max-width: 100%; width: 100%; }
}

/* 科技主题样式 */
.tech-gradient-bg {
    background: linear-gradient(120deg, #232b4d 0%, #2d1e4f 100%);
    border-radius: 0 0 32px 32px;
    padding: 32px 0;
    margin-bottom: 60px;
}
.tech-gradient-bg .feature-block {
    background: rgba(30,41,59,0.92);
    border: 1px solid rgba(99,102,241,0.13);
}

body.core-page {
    background: linear-gradient(135deg, #181e3a 0%, #2d1e4f 100%);
    color: #e2e8f0;
}

@media (max-width: 900px) {
    .tech-gradient-bg { border-radius: 0 0 18px 18px; }
}