:root {
            --blue-50: #eff6ff;
            --blue-100: #dbeafe;
            --blue-200: #bfdbfe;
            --blue-300: #93c5fd;
            --blue-400: #60a5fa;
            --blue-500: #3b82f6;
            --blue-600: #2563eb;
            --blue-700: #1d4ed8;
            --blue-800: #1e40af;
            --blue-900: #1e3a5f;
            --white: #ffffff;
            --gray-50: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-300: #cbd5e1;
            --gray-400: #94a3b8;
            --gray-500: #64748b;
            --gray-600: #475569;
            --gray-700: #334155;
            --gray-800: #1e293b;
            --gray-900: #0f172a;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.06), 0 4px 6px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.08), 0 10px 10px rgba(0, 0, 0, 0.03);
            --shadow-dropdown: 0 12px 32px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
            --radius-sm: 6px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-2xl: 20px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            color: var(--gray-800);
            background-color: var(--white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        /* ========== 导航栏 ========== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(59, 130, 246, 0.12);
            transition: var(--transition);
            padding: 0 2rem;
        }
        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-lg);
        }
        .navbar-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--blue-700);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--white);
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
        }
        .nav-logo span {
            background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 0.15rem;
            align-items: center;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links>li>a {
            text-decoration: none;
            color: var(--gray-600);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.5rem 0.85rem;
            border-radius: var(--radius);
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
        }
        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--blue-600);
            background: var(--blue-50);
        }

        /* 二级菜单下拉箭头指示器 */
        .has-dropdown>a::after {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            border-right: 2px solid currentColor;
            border-bottom: 2px solid currentColor;
            transform: rotate(45deg);
            margin-left: 2px;
            margin-top: -3px;
            transition: transform 0.25s ease;
            opacity: 0.6;
        }
        .has-dropdown>a:hover::after {
            opacity: 1;
            transform: rotate(225deg);
        }

        /* 二级下拉菜单容器 */
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(6px);
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-dropdown);
            border: 1px solid var(--gray-200);
            list-style: none;
            padding: 0.5rem 0;
            min-width: 190px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
            z-index: 1002;
        }
        /* 下拉菜单顶部小三角 */
        .dropdown-menu::before {
            content: '';
            position: absolute;
            top: -7px;
            left: 50%;
            transform: translateX(-50%);
            width: 14px;
            height: 14px;
            background: var(--white);
            border-left: 1px solid var(--gray-200);
            border-top: 1px solid var(--gray-200);
            border-radius: 3px 0 0 0;
            transform: translateX(-50%) rotate(45deg);
        }
        /* 最后一个下拉菜单右对齐 */
        .nav-links>li:last-child .dropdown-menu,
        .nav-links>li:nth-last-child(2) .dropdown-menu {
            left: auto;
            right: -10px;
            transform: translateY(6px);
        }
        .nav-links>li:last-child .dropdown-menu::before,
        .nav-links>li:nth-last-child(2) .dropdown-menu::before {
            left: auto;
            right: 28px;
            transform: rotate(45deg);
        }

        .has-dropdown:hover>.dropdown-menu {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(2px);
        }
        .nav-links>li:last-child:hover .dropdown-menu,
        .nav-links>li:nth-last-child(2):hover .dropdown-menu {
            transform: translateY(2px);
        }

        .dropdown-menu li a {
            display: block;
            padding: 0.55rem 1.3rem;
            color: var(--gray-600);
            font-size: 0.85rem;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition-fast);
            white-space: nowrap;
            border-radius: 0;
            line-height: 1.4;
        }
        .dropdown-menu li a:hover {
            color: var(--blue-600);
            background: var(--blue-50);
        }
        .dropdown-menu li:first-child a {
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .dropdown-menu li:last-child a {
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        /* 二级菜单分隔线 */
        .dropdown-divider {
            height: 1px;
            background: var(--gray-200);
            margin: 0.3rem 0.8rem;
            opacity: 0.6;
        }

        .nav-cta {
            background: var(--blue-600) !important;
            color: var(--white) !important;
            font-weight: 600 !important;
            padding: 0.55rem 1.4rem !important;
            border-radius: var(--radius) !important;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(37, 99, 235, 0.25);
            margin-left: 0.3rem;
        }
        .nav-cta:hover {
            background: var(--blue-700) !important;
            box-shadow: 0 0 30px rgba(37, 99, 235, 0.4) !important;
            transform: translateY(-1px);
            color: var(--white) !important;
        }
        .nav-cta::after {
            display: none !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
        }
        .mobile-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--gray-700);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
            background: var(--blue-600);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
            background: var(--blue-600);
        }

        /* ========== 英雄区域 ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(160deg, #1e40af 0%, #2563eb 30%, #3b82f6 60%, #60a5fa 100%);
            overflow: hidden;
            padding: 6rem 2rem 4rem;
        }
        .banner {
            position: relative;
            height:auto;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(160deg, #1e40af 0%, #2563eb 30%, #3b82f6 60%, #60a5fa 100%);
            overflow: hidden;
			box-sizing: border-box;
        }
        .banner h2 {
            font-size: clamp(2.2rem, 4.5vw, 3.6rem);
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 1.2rem;
            letter-spacing: -1px;
            animation: fadeInUp 0.8s 0.15s ease both;
        }		
        .hero-bg-grid {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 60px 60px;
            animation: gridShift 20s linear infinite;
        }
        @keyframes gridShift {
            0% {
                transform: translate(0, 0);
            }
            100% {
                transform: translate(60px, 60px);
            }
        }
        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            filter: blur(180px);
            opacity: 0.22;
            pointer-events: none;
        }
        .hero-glow.g1 {
            top: -200px;
            left: -150px;
            background: #93c5fd;
            animation: floatGlow 8s ease-in-out infinite;
        }
        .hero-glow.g2 {
            bottom: -200px;
            right: -150px;
            background: #bfdbfe;
            animation: floatGlow 10s ease-in-out infinite reverse;
        }
        @keyframes floatGlow {
            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }
            33% {
                transform: translate(40px, -30px) scale(1.08);
            }
            66% {
                transform: translate(-20px, 20px) scale(0.94);
            }
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            pointer-events: none;
        }
        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 50%;
            animation: particleDrift 12s linear infinite;
            opacity: 0.5;
        }
        @keyframes particleDrift {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 0.8;
            }
            90% {
                opacity: 0.5;
            }
            100% {
                transform: translateY(-10vh) scale(1.2);
                opacity: 0;
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #ffffff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
            letter-spacing: 0.5px;
            animation: fadeInUp 0.8s ease both;
        }
        .hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.6rem);
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 1.2rem;
            letter-spacing: -1px;
            animation: fadeInUp 0.8s 0.15s ease both;
        }
        .hero h1 .highlight {
            color: #fde68a;
            text-shadow: 0 0 40px rgba(253, 230, 138, 0.4);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 2.5rem;
            animation: fadeInUp 0.8s 0.3s ease both;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
            animation: fadeInUp 0.8s 0.45s ease both;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 0.85rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius);
            text-decoration: none;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--white);
            color: var(--blue-700);
            box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
        }
        .btn-primary:hover {
            background: #f0f9ff;
            box-shadow: 0 0 40px rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 2.5rem;
            justify-content: center;
            margin-top: 3.5rem;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s 0.6s ease both;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: -0.5px;
        }
        .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 0.15rem;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== 通用区块样式 ========== */
        .section {
            padding: 5rem 2rem;
        }
        .section-container {
            max-width: 1280px;
            margin: 0 auto;
        }
        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--blue-600);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            color: var(--gray-900);
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }
        .section-desc {
            color: var(--gray-500);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-alt {
            background: var(--blue-50);
        }

        /* ========== 加密软件服务 ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }
        .service-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 2.2rem 1.8rem;
            transition: var(--transition);
            border: 1px solid var(--gray-200);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            scroll-margin-top: 90px;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--blue-200);
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--blue-500), var(--blue-400));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .service-card:hover::before {
            transform: scaleX(1);
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 1.2rem;
            background: var(--blue-50);
            color: var(--blue-600);
            transition: var(--transition);
        }
        .service-card:hover .service-icon {
            background: var(--blue-600);
            color: var(--white);
            box-shadow: 0 0 25px rgba(37, 99, 235, 0.35);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 0.5rem;
        }
        .service-card p {
            color: var(--gray-500);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .service-features {
            list-style: none;
            margin-top: 1rem;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
        .service-features li {
            font-size: 0.85rem;
            color: var(--gray-600);
            padding-left: 1.4rem;
            position: relative;
        }
        .service-features li::before {
            content: '?';
            position: absolute;
            left: 0;
            color: var(--blue-500);
            font-weight: 700;
            font-size: 0.8rem;
        }

        /* ========== 公司简介 ========== */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .about-image-area {
            position: relative;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: linear-gradient(135deg, #2563eb, #1d4ed8);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-xl);
        }
        .about-image-inner {
            text-align: center;
            color: var(--white);
            padding: 2rem;
        }
        .about-shield-icon {
            font-size: 5rem;
            margin-bottom: 1rem;
            animation: pulse 3s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.9;
            }
            50% {
                transform: scale(1.08);
                opacity: 1;
            }
        }
        .about-image-inner h3 {
            font-size: 1.5rem;
            font-weight: 700;
        }
        .about-image-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }
        .about-text h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gray-900);
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }
        .about-text .about-lead {
            font-size: 1.1rem;
            color: var(--blue-700);
            font-weight: 600;
            margin-bottom: 1rem;
        }
        .about-text p {
            color: var(--gray-600);
            margin-bottom: 1.2rem;
            line-height: 1.8;
        }
        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.8rem;
            margin-top: 1.5rem;
        }
        .about-highlight-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 600;
            color: var(--gray-800);
            font-size: 0.95rem;
        }
        .about-highlight-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--blue-500);
            flex-shrink: 0;
            box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
        }

        /* ========== 最新资讯 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.5rem;
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .news-card-image {
            height: 180px;
            background: linear-gradient(135deg, #3b82f6, #2563eb);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: rgba(255, 255, 255, 0.6);
            position: relative;
            overflow: hidden;
        }
        .news-card-image .news-category {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.9);
            color: var(--blue-700);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .news-card-body {
            padding: 1.4rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body .news-date {
            font-size: 0.78rem;
            color: var(--gray-400);
            margin-bottom: 0.5rem;
        }
        .news-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.88rem;
            color: var(--gray-500);
            line-height: 1.6;
            flex: 1;
        }
        .news-card-body .read-more {
            display: inline-block;
            margin-top: 1rem;
            color: var(--blue-600);
            font-weight: 600;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .news-card-body .read-more:hover {
            color: var(--blue-800);
            text-decoration: underline;
        }

        /* ========== 客户案例 ========== */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
        }
        .case-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: default;
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--blue-200);
        }
        .case-logo {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-lg);
            background: var(--blue-50);
            margin: 0 auto 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--blue-600);
            transition: var(--transition);
        }
        .case-card:hover .case-logo {
            background: var(--blue-600);
            color: #fff;
            box-shadow: 0 0 25px rgba(37, 99, 235, 0.3);
        }
        .case-card h3 {
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 0.3rem;
        }
        .case-card .case-industry {
            font-size: 0.8rem;
            color: var(--blue-600);
            font-weight: 600;
            margin-bottom: 0.6rem;
        }
        .case-card p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* ========== 企业团队 ========== */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }
        .team-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .team-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--blue-200);
        }
        .team-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--white);
            font-weight: 700;
            border: 3px solid rgba(59, 130, 246, 0.2);
            transition: var(--transition);
        }
        .team-card:hover .team-avatar {
            border-color: var(--blue-500);
            box-shadow: 0 0 30px rgba(59, 130, 246, 0.25);
        }
        .team-card h3 {
            font-weight: 700;
            color: var(--gray-900);
            font-size: 1.05rem;
        }
        .team-card .team-role {
            font-size: 0.82rem;
            color: var(--blue-600);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .team-card p {
            font-size: 0.83rem;
            color: var(--gray-500);
            line-height: 1.5;
        }

        /* ========== 企业资质 ========== */
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
        }
        .cert-card {
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 2rem 1.2rem;
            text-align: center;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .cert-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--blue-200);
        }
        .cert-icon {
            font-size: 2.8rem;
            margin-bottom: 0.8rem;
            display: block;
            transition: var(--transition);
        }
        .cert-card:hover .cert-icon {
            transform: scale(1.1);
        }
        .cert-card h3 {
            font-weight: 700;
            color: var(--gray-900);
            font-size: 0.95rem;
            margin-bottom: 0.2rem;
        }
        .cert-card p {
            font-size: 0.78rem;
            color: var(--gray-400);
        }

        /* ========== CTA区块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #1e40af, #2563eb);
            text-align: center;
            padding: 4rem 2rem;
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: #93c5fd;
            filter: blur(150px);
            opacity: 0.15;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }
        .cta-section .section-container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: var(--white);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
            font-size: 1.05rem;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 0.9rem 2.5rem;
            background: var(--white);
            color: var(--blue-700);
            box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
        }
        .cta-section .btn-primary:hover {
            background: #f0f9ff;
            box-shadow: 0 0 40px rgba(255, 255, 255, 0.5);
        }

        /* ========== 页脚 ========== */
        .footer {
            background: var(--blue-900);
            color: #cbd5e1;
            padding: 3rem 2rem 2rem;
            font-size: 0.9rem;
        }
		.footer a{color: #cbd5e1;text-decoration:none}
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-col h4 {
            color: var(--white);
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
			float:left;
        }
		.footer-col ul.twoul{margin-right:50px}
        .footer-col ul li a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--white);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 1.5rem;
            text-align: center;
            color: #94a3b8;
            font-size: 0.8rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-links>li>a {
                padding: 0.5rem 0.6rem;
                font-size: 0.82rem;
            }
            .dropdown-menu {
                min-width: 160px;
            }
            .dropdown-menu li a {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                height: 100vh;
                background: rgba(255, 255, 255, 0.99);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 5rem 1.5rem 2rem;
                gap: 0;
                transition: var(--transition);
                border-left: 1px solid rgba(59, 130, 246, 0.1);
                box-shadow: -4px 0 30px rgba(0, 0, 0, 0.12);
                overflow-y: auto;
                align-items: stretch;
            }
            .nav-links.open {
                right: 0;
            }
            .nav-links>li {
                position: relative;
                width: 100%;
            }
            .nav-links>li>a {
                display: flex;
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
                color: var(--gray-700);
                border-radius: var(--radius);
                justify-content: space-between;
                align-items: center;
            }
            .nav-links>li>a:hover,
            .nav-links>li>a.active {
                background: var(--blue-50);
                color: var(--blue-600);
            }
            .nav-cta {
                margin-left: 0;
                margin-top: 0.5rem;
                text-align: center;
                justify-content: center;
                background: var(--blue-600) !important;
                color: var(--white) !important;
            }
            /* 移动端二级菜单：静态定位，默认可见，左侧缩进 */
            .dropdown-menu {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                background: transparent;
                padding: 0 0 0.3rem 1.2rem;
                min-width: auto;
                display: block;
                border-radius: 0;
            }
            .dropdown-menu::before {
                display: none;
            }
            .dropdown-menu li a {
                font-size: 0.85rem;
                padding: 0.5rem 1rem;
                color: var(--gray-500);
                border-radius: var(--radius);
            }
            .dropdown-menu li a:hover {
                color: var(--blue-600);
                background: var(--blue-50);
            }
            .dropdown-divider {
                margin: 0.2rem 0.5rem;
            }
            .has-dropdown>a::after {
                margin-left: auto;
                transform: rotate(45deg);
                opacity: 0.5;
            }
            .has-dropdown>a:hover::after {
                transform: rotate(45deg);
                opacity: 0.7;
            }
            .about-wrapper {
                grid-template-columns: 1fr;
            }
            .about-image-area {
                aspect-ratio: 16/9;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat .stat-number {
                font-size: 1.6rem;
            }
            .section {
                padding: 3rem 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .services-grid,
            .news-grid,
            .cases-grid,
            .team-grid,
            .cert-grid {
                grid-template-columns: 1fr;
            }
            .about-highlights {
                grid-template-columns: 1fr;
            }
            .nav-links {
                width: 280px;
            }
        }