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

        :root {
            --primary: #9D4EDD;
            --primary-light: #C77DFF;
            --primary-dark: #7B2CBF;
            --secondary: #1A1F3A;
            --secondary-light: #2D3561;
            --accent: #00D9FF;
            --accent-warm: #FF006E;
            --bg-dark: #0F1425;
            --bg-light: #1A1F3A;
            --text-primary: #FFFFFF;
            --text-secondary: #A0A8D8;
            --text-tertiary: #6B7399;
            --gradient-primary: linear-gradient(135deg, #9D4EDD 0%, #C77DFF 100%);
            --gradient-secondary: linear-gradient(135deg, #00D9FF 0%, #9D4EDD 100%);
            --gradient-accent: linear-gradient(135deg, #FF006E 0%, #9D4EDD 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
            background: linear-gradient(180deg, #0F1425 0%, #1A1F3A 50%, #0F1425 100%);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ============ 导航栏 ============ */
        .dgca-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 20, 37, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(157, 78, 221, 0.2);
            padding: 16px 0;
            transition: all 0.3s ease;
        }

        .dgca-navbar.scrolled {
            background: rgba(15, 20, 37, 0.95);
            box-shadow: 0 4px 30px rgba(157, 78, 221, 0.1);
            padding: 12px 0;
        }

        .dgca-navbar-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .dgca-logo {
            display: flex;
            align-items: center;
        }

        .dgca-logo img {
            height: 40px;
            width: auto;
            transition: transform 0.3s ease;
        }

        .dgca-logo img:hover {
            transform: scale(1.05);
        }

        .dgca-nav-menu {
            display: flex;
            gap: 32px;
            list-style: none;
            align-items: center;
        }

        .dgca-nav-item a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: clamp(0.9rem, 1.5vw, 1rem);
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .dgca-nav-item a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: width 0.3s ease;
        }

        .dgca-nav-item a:hover {
            color: var(--text-primary);
        }

        .dgca-nav-item a:hover::after {
            width: 100%;
        }

        .dgca-nav-item a.active {
            color: var(--primary-light);
        }

        .dgca-nav-item a.active::after {
            width: 100%;
        }

        .dgca-mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .dgca-mobile-toggle span {
            width: 24px;
            height: 2px;
            background: var(--primary-light);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* ============ Hero区域 ============ */
        .dgca-hero {
            margin-top: 80px;
            min-height: calc(100vh - 80px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 64px 24px;
            max-width: 1400px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            overflow: hidden;
        }

        .dgca-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(157, 78, 221, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .dgca-hero-content {
            position: relative;
            z-index: 2;
        }

        .dgca-hero-pretitle {
            font-size: 0.875rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }

        .dgca-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-primary);
        }

        .dgca-hero-title-highlight {
            background: var(--gradient-secondary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .dgca-hero-subtitle {
            font-size: clamp(1rem, 2.5vw, 1.25rem);
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 500px;
        }

        .dgca-hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-bottom: 48px;
            max-width: 400px;
        }

        .dgca-stat-item {
            background: rgba(157, 78, 221, 0.1);
            border: 1px solid rgba(157, 78, 221, 0.3);
            border-radius: 12px;
            padding: 20px;
            backdrop-filter: blur(10px);
        }

        .dgca-stat-number {
            font-size: 2rem;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .dgca-stat-label {
            font-size: 0.875rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .dgca-hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .dgca-btn {
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .dgca-btn-primary {
            background: var(--gradient-primary);
            color: white;
            box-shadow: 0 8px 24px rgba(157, 78, 221, 0.3);
        }

        .dgca-btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(157, 78, 221, 0.4);
        }

        .dgca-btn-secondary {
            background: transparent;
            color: var(--primary-light);
            border: 2px solid var(--primary-light);
        }

        .dgca-btn-secondary:hover {
            background: rgba(157, 78, 221, 0.1);
            transform: translateY(-4px);
        }

        .dgca-hero-image {
            position: relative;
            z-index: 2;
        }

        .dgca-hero-image img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.3);
            border: 1px solid rgba(157, 78, 221, 0.2);
        }

        /* ============ 关于内容区域 ============ */
        .dgca-about-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 96px 24px;
            position: relative;
        }

        .dgca-section-header {
            text-align: center;
            margin-bottom: 64px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .dgca-section-pretitle {
            font-size: 0.875rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }

        .dgca-section-title {
            font-size: clamp(2rem, 4vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--text-primary);
        }

        .dgca-section-description {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ 使命与愿景 ============ */
        .dgca-mission-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            margin-bottom: 96px;
        }

        .dgca-mission-content h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-primary);
        }

        .dgca-mission-content p {
            font-size: 1.125rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .dgca-mission-image {
            position: relative;
        }

        .dgca-mission-image img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.25);
            border: 1px solid rgba(157, 78, 221, 0.2);
        }

        /* ============ 技术创新 ============ */
        .dgca-innovation-section {
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.05) 0%, rgba(0, 217, 255, 0.05) 100%);
            border-radius: 24px;
            padding: 64px;
            margin-bottom: 96px;
            border: 1px solid rgba(157, 78, 221, 0.2);
            position: relative;
            overflow: hidden;
        }

        .dgca-innovation-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .dgca-innovation-features {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

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

        .dgca-feature-icon {
            font-size: 2rem;
            min-width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-primary);
            border-radius: 12px;
            color: white;
            flex-shrink: 0;
        }

        .dgca-feature-content h4 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

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

        .dgca-innovation-image {
            position: relative;
        }

        .dgca-innovation-image img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.3);
            border: 1px solid rgba(157, 78, 221, 0.2);
        }

        /* ============ 产品矩阵 ============ */
        .dgca-products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-bottom: 96px;
        }

        .dgca-product-card {
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.1) 0%, rgba(0, 217, 255, 0.05) 100%);
            border: 1px solid rgba(157, 78, 221, 0.3);
            border-radius: 16px;
            padding: 32px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .dgca-product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transition: left 0.5s ease;
        }

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

        .dgca-product-card:hover {
            transform: translateY(-8px);
            border-color: rgba(157, 78, 221, 0.6);
            box-shadow: 0 16px 40px rgba(157, 78, 221, 0.2);
        }

        .dgca-product-badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
        }

        .dgca-product-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .dgca-product-category {
            font-size: 0.875rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-weight: 500;
        }

        .dgca-product-features {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .dgca-product-feature {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .dgca-product-feature::before {
            content: '✓';
            color: var(--accent);
            font-weight: bold;
            font-size: 1.2rem;
        }

        .dgca-product-metrics {
            padding-top: 24px;
            border-top: 1px solid rgba(157, 78, 221, 0.2);
        }

        .dgca-metric {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .dgca-metric:last-child {
            margin-bottom: 0;
        }

        .dgca-metric-label {
            color: var(--text-secondary);
        }

        .dgca-metric-value {
            color: var(--primary-light);
            font-weight: 600;
        }

        /* ============ 用户评价 ============ */
        .dgca-testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-bottom: 96px;
        }

        .dgca-testimonial-card {
            background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, rgba(157, 78, 221, 0.1) 100%);
            border: 1px solid rgba(0, 217, 255, 0.2);
            border-radius: 16px;
            padding: 32px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .dgca-testimonial-card:hover {
            border-color: rgba(0, 217, 255, 0.4);
            box-shadow: 0 12px 32px rgba(0, 217, 255, 0.15);
        }

        .dgca-testimonial-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .dgca-testimonial-source {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1.125rem;
        }

        .dgca-testimonial-rating {
            color: #FFB800;
            font-size: 1.25rem;
            letter-spacing: 2px;
        }

        .dgca-testimonial-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .dgca-keyword {
            font-size: 0.75rem;
            background: rgba(157, 78, 221, 0.2);
            color: var(--primary-light);
            padding: 4px 12px;
            border-radius: 6px;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .dgca-testimonial-text {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 1rem;
        }

        /* ============ 案例展示 ============ */
        .dgca-case-study {
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.08) 0%, rgba(45, 53, 97, 1) 100%);
            border: 1px solid rgba(157, 78, 221, 0.2);
            border-radius: 16px;
            padding: 48px;
            margin-bottom: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .dgca-case-study:hover {
            border-color: rgba(157, 78, 221, 0.4);
            box-shadow: 0 16px 48px rgba(157, 78, 221, 0.15);
        }

        .dgca-case-study:nth-child(even) {
            grid-template-columns: 1fr 1fr;
            direction: rtl;
        }

        .dgca-case-study:nth-child(even) > * {
            direction: ltr;
        }

        .dgca-case-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .dgca-case-challenge {
            margin-bottom: 24px;
        }

        .dgca-case-label {
            font-size: 0.875rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--primary-light);
            margin-bottom: 8px;
        }

        .dgca-case-text {
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 1rem;
        }

        .dgca-case-results {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }

        .dgca-result-item {
            background: rgba(157, 78, 221, 0.15);
            border: 1px solid rgba(157, 78, 221, 0.3);
            border-radius: 12px;
            padding: 20px;
        }

        .dgca-result-metric {
            font-size: 1.5rem;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

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

        .dgca-case-image {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
        }

        .dgca-case-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }

        /* ============ 常见问题 ============ */
        .dgca-faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .dgca-faq-item {
            background: rgba(157, 78, 221, 0.08);
            border: 1px solid rgba(157, 78, 221, 0.2);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .dgca-faq-item:hover {
            border-color: rgba(157, 78, 221, 0.4);
            box-shadow: 0 8px 24px rgba(157, 78, 221, 0.15);
        }

        .dgca-faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.125rem;
            color: var(--text-primary);
            user-select: none;
            transition: all 0.3s ease;
        }

        .dgca-faq-question:hover {
            background: rgba(157, 78, 221, 0.1);
        }

        .dgca-faq-toggle {
            font-size: 1.5rem;
            transition: transform 0.3s ease;
            color: var(--primary-light);
        }

        .dgca-faq-item.open .dgca-faq-toggle {
            transform: rotate(180deg);
        }

        .dgca-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: rgba(157, 78, 221, 0.05);
        }

        .dgca-faq-item.open .dgca-faq-answer {
            max-height: 500px;
        }

        .dgca-faq-answer-content {
            padding: 0 24px 20px 24px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ============ 团队展示 ============ */
        .dgca-team-section {
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.05) 0%, rgba(0, 217, 255, 0.05) 100%);
            border-radius: 24px;
            padding: 64px;
            margin-bottom: 96px;
            border: 1px solid rgba(157, 78, 221, 0.2);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .dgca-team-content h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-primary);
        }

        .dgca-team-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 32px;
        }

        .dgca-team-stat {
            background: rgba(157, 78, 221, 0.1);
            border: 1px solid rgba(157, 78, 221, 0.3);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }

        .dgca-team-stat-number {
            font-size: 2rem;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .dgca-team-stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .dgca-team-image {
            position: relative;
        }

        .dgca-team-image img {
            width: 100%;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.25);
            border: 1px solid rgba(157, 78, 221, 0.2);
        }

        /* ============ CTA区域 ============ */
        .dgca-cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
            border-radius: 20px;
            padding: 64px;
            text-align: center;
            margin-bottom: 96px;
            position: relative;
            overflow: hidden;
        }

        .dgca-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            animation: pulse 15s ease-in-out infinite;
        }

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

        .dgca-cta-content {
            position: relative;
            z-index: 2;
        }

        .dgca-cta-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            margin-bottom: 24px;
            color: white;
        }

        .dgca-cta-subtitle {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 40px;
        }

        .dgca-cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .dgca-btn-white {
            background: white;
            color: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .dgca-btn-white:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        /* ============ 页脚 ============ */
        .dgca-footer {
            background: rgba(15, 20, 37, 0.8);
            border-top: 1px solid rgba(157, 78, 221, 0.2);
            padding: 64px 24px 24px;
            backdrop-filter: blur(10px);
        }

        .dgca-footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 48px;
            margin-bottom: 48px;
        }

        .dgca-footer-section h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

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

        .dgca-footer-section li {
            margin-bottom: 12px;
        }

        .dgca-footer-section a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .dgca-footer-section a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .dgca-footer-brand {
            color: var(--text-primary);
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .dgca-footer-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            max-width: 300px;
        }

        .dgca-footer-bottom {
            border-top: 1px solid rgba(157, 78, 221, 0.2);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

        .dgca-footer-copyright {
            color: var(--text-tertiary);
            font-size: 0.9rem;
        }

        .dgca-footer-socials {
            display: flex;
            gap: 16px;
        }

        .dgca-social-link {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(157, 78, 221, 0.15);
            border: 1px solid rgba(157, 78, 221, 0.3);
            border-radius: 8px;
            color: var(--primary-light);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.25rem;
        }

        .dgca-social-link:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
            transform: translateY(-4px);
        }

        /* ============ 响应式设计 ============ */
        @media (max-width: 1024px) {
            .dgca-navbar-content {
                padding: 0 16px;
            }

            .dgca-nav-menu {
                gap: 20px;
            }

            .dgca-hero {
                grid-template-columns: 1fr;
                padding: 48px 16px;
                gap: 32px;
            }

            .dgca-hero::before {
                right: -40%;
                width: 400px;
                height: 400px;
            }

            .dgca-about-section {
                padding: 64px 16px;
            }

            .dgca-mission-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .dgca-innovation-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .dgca-innovation-section {
                padding: 48px 32px;
            }

            .dgca-team-section {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 48px 32px;
            }

            .dgca-case-study {
                grid-template-columns: 1fr;
                padding: 32px;
                gap: 32px;
            }

            .dgca-case-study:nth-child(even) {
                direction: ltr;
            }

            .dgca-cta-section {
                padding: 48px 32px;
            }
        }

        @media (max-width: 768px) {
            .dgca-nav-menu {
                display: none;
            }

            .dgca-mobile-toggle {
                display: flex;
            }

            .dgca-nav-menu.active {
                display: flex;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(15, 20, 37, 0.95);
                gap: 0;
                padding: 24px;
                border-bottom: 1px solid rgba(157, 78, 221, 0.2);
            }

            .dgca-nav-item {
                border-bottom: 1px solid rgba(157, 78, 221, 0.1);
                padding: 16px 0;
            }

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

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

            .dgca-hero-buttons {
                flex-direction: column;
            }

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

            .dgca-section-header {
                margin-bottom: 48px;
            }

            .dgca-products-grid {
                grid-template-columns: 1fr;
            }

            .dgca-testimonials-grid {
                grid-template-columns: 1fr;
            }

            .dgca-case-results {
                grid-template-columns: 1fr;
            }

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

            .dgca-footer-grid {
                grid-template-columns: 1fr;
            }

            .dgca-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .dgca-navbar-content {
                padding: 0 12px;
            }

            .dgca-hero {
                margin-top: 70px;
                padding: 32px 12px;
            }

            .dgca-hero-title {
                font-size: 1.75rem;
            }

            .dgca-hero-subtitle {
                font-size: 1rem;
            }

            .dgca-about-section {
                padding: 48px 12px;
            }

            .dgca-section-title {
                font-size: 1.75rem;
            }

            .dgca-innovation-section {
                padding: 32px 16px;
                border-radius: 16px;
            }

            .dgca-product-card {
                padding: 20px;
            }

            .dgca-cta-section {
                padding: 32px 16px;
            }

            .dgca-cta-title {
                font-size: 1.5rem;
            }

            .dgca-footer-grid {
                gap: 32px;
            }

            .dgca-faq-question {
                padding: 16px;
                font-size: 1rem;
            }
        }

        /* ============ 打印样式 ============ */
        @media print {
            .dgca-navbar,
            .dgca-footer {
                display: none;
            }

            body {
                background: white;
                color: black;
            }
        }