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

        :root {
            --primary: #9D4EDD;
            --primary-light: #C77DFF;
            --primary-dark: #7209B7;
            --secondary: #3A0CA3;
            --accent: #FF006E;
            --accent-light: #FB5607;
            --bg-dark: #0F0E17;
            --bg-card: #1A1F3A;
            --bg-light: #16213E;
            --text-primary: #E0E0E7;
            --text-secondary: #A0A8D8;
            --border-color: #2D3561;
            --success: #06FFA5;
            --warning: #FFB703;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
            background: linear-gradient(135deg, #0F0E17 0%, #1A1F3A 50%, #16213E 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }

        /* ========== 导航栏 ========== */
        .dgca-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 14, 23, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            transition: all 0.3s ease;
            padding: 1rem 0;
        }

        .dgca-navbar.scrolled {
            background: rgba(15, 14, 23, 0.95);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
        }

        .dgca-navbar-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .dgca-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            font-size: clamp(1.2rem, 2vw, 1.5rem);
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .dgca-logo img {
            width: 40px;
            height: 40px;
            border-radius: 8px;
        }

        .dgca-nav-menu {
            display: flex;
            gap: 0;
            list-style: none;
            align-items: center;
        }

        .dgca-nav-item {
            position: relative;
        }

        .dgca-nav-link {
            display: block;
            padding: 0.75rem 1.25rem;
            color: var(--text-primary);
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .dgca-nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: translateX(-50%);
            transition: width 0.3s ease;
        }

        .dgca-nav-link:hover {
            color: var(--primary-light);
        }

        .dgca-nav-link:hover::after {
            width: 80%;
        }

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

        .dgca-nav-link.active::after {
            width: 80%;
        }

        .dgca-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            flex-direction: column;
            gap: 0.3rem;
        }

        .dgca-mobile-toggle span {
            width: 25px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* ========== Hero 区域 ========== */
        .dgca-hero {
            margin-top: 70px;
            padding: 4rem 2rem;
            min-height: 80vh;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            max-width: 1400px;
            margin-left: auto;
            margin-right: auto;
        }

        .dgca-hero-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .dgca-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            width: fit-content;
            padding: 0.5rem 1rem;
            background: rgba(157, 78, 221, 0.15);
            border: 1px solid var(--primary);
            border-radius: 50px;
            color: var(--primary-light);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .dgca-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .dgca-hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .dgca-hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .dgca-btn {
            padding: 0.875rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }

        .dgca-btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 10px 30px rgba(157, 78, 221, 0.3);
        }

        .dgca-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(157, 78, 221, 0.4);
        }

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

        .dgca-btn-secondary:hover {
            background: rgba(157, 78, 221, 0.1);
            transform: translateY(-3px);
        }

        .dgca-hero-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.2);
            border: 1px solid var(--border-color);
        }

        .dgca-hero-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ========== 社区统计 ========== */
        .dgca-stats {
            padding: 3rem 2rem;
            background: linear-gradient(135deg, rgba(157, 78, 221, 0.1), rgba(255, 0, 110, 0.05));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .dgca-stats-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }

        .dgca-stat-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            text-align: center;
        }

        .dgca-stat-number {
            font-size: clamp(2rem, 3vw, 3rem);
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .dgca-stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* ========== 社区动态区 ========== */
        .dgca-activities {
            padding: 4rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-section-title {
            font-size: clamp(2rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 3rem;
            position: relative;
            display: inline-block;
        }

        .dgca-section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .dgca-activities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .dgca-activity-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .dgca-activity-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 20px 40px rgba(157, 78, 221, 0.15);
        }

        .dgca-activity-type {
            display: inline-block;
            padding: 0.4rem 0.8rem;
            background: rgba(157, 78, 221, 0.2);
            color: var(--primary-light);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .dgca-activity-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .dgca-activity-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .dgca-activity-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .dgca-activity-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
        }

        .dgca-activity-author {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }

        .dgca-activity-engagement {
            display: flex;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* ========== 开源社区展示 ========== */
        .dgca-opensource {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, rgba(58, 12, 163, 0.1), rgba(157, 78, 221, 0.05));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .dgca-opensource-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .dgca-opensource-content h2 {
            font-size: clamp(2rem, 4vw, 2.5rem);
            font-weight: 800;
            margin-bottom: 1.5rem;
            position: relative;
            display: inline-block;
        }

        .dgca-opensource-content h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .dgca-opensource-text {
            color: var(--text-secondary);
            margin: 2rem 0 2rem 0;
            line-height: 1.8;
            font-size: 1rem;
        }

        .dgca-opensource-highlights {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .dgca-highlight-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .dgca-highlight-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .dgca-highlight-text h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

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

        .dgca-opensource-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.2);
            border: 1px solid var(--border-color);
        }

        .dgca-opensource-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ========== 用户评价 ========== */
        .dgca-testimonials {
            padding: 4rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .dgca-testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .dgca-testimonial-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 15px 40px rgba(157, 78, 221, 0.15);
        }

        .dgca-testimonial-stars {
            display: flex;
            gap: 0.25rem;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .dgca-testimonial-text {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .dgca-testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }

        .dgca-author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: white;
            flex-shrink: 0;
        }

        .dgca-author-info h4 {
            font-size: 0.95rem;
            margin-bottom: 0.2rem;
        }

        .dgca-author-info p {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* ========== 讨论话题 ========== */
        .dgca-discussions {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, rgba(255, 0, 110, 0.05), rgba(157, 78, 221, 0.1));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .dgca-discussions-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-discussions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 3rem;
            align-items: center;
        }

        .dgca-discussion-topics {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .dgca-topic-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .dgca-topic-item:hover {
            border-color: var(--primary);
            background: rgba(157, 78, 221, 0.08);
        }

        .dgca-topic-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(157, 78, 221, 0.15);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .dgca-topic-content h3 {
            font-size: 1rem;
            margin-bottom: 0.4rem;
        }

        .dgca-topic-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .dgca-topic-meta {
            display: flex;
            gap: 1.5rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .dgca-discussion-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.2);
            border: 1px solid var(--border-color);
        }

        .dgca-discussion-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ========== 社区指南 ========== */
        .dgca-guidelines {
            padding: 4rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-guidelines-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .dgca-guideline-card {
            background: linear-gradient(135deg, var(--bg-card), rgba(157, 78, 221, 0.05));
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .dgca-guideline-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 20px 40px rgba(157, 78, 221, 0.15);
        }

        .dgca-guideline-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .dgca-guideline-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .dgca-guideline-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .dgca-guideline-list {
            list-style: none;
        }

        .dgca-guideline-list li {
            padding-left: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            position: relative;
        }

        .dgca-guideline-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success);
            font-weight: bold;
        }

        /* ========== 社区事件 ========== */
        .dgca-events {
            padding: 4rem 2rem;
            background: linear-gradient(135deg, rgba(58, 12, 163, 0.1), rgba(157, 78, 221, 0.05));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .dgca-events-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-events-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-top: 3rem;
        }

        .dgca-event-image {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(157, 78, 221, 0.2);
            border: 1px solid var(--border-color);
        }

        .dgca-event-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        .dgca-event-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .dgca-event-item {
            background: var(--bg-card);
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            padding: 1.5rem;
            transition: all 0.3s ease;
        }

        .dgca-event-item:hover {
            border-left-color: var(--accent);
            transform: translateX(8px);
        }

        .dgca-event-date {
            display: inline-block;
            padding: 0.4rem 0.8rem;
            background: rgba(157, 78, 221, 0.2);
            color: var(--primary-light);
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .dgca-event-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .dgca-event-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== 常见问题 ========== */
        .dgca-faq {
            padding: 4rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .dgca-faq-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .dgca-faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .dgca-faq-item:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(157, 78, 221, 0.1);
        }

        .dgca-faq-question {
            padding: 1.5rem;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .dgca-faq-item.active .dgca-faq-question {
            background: rgba(157, 78, 221, 0.1);
            border-bottom-color: var(--primary);
        }

        .dgca-faq-toggle {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

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

        .dgca-faq-answer {
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--text-secondary);
        }

        .dgca-faq-item.active .dgca-faq-answer {
            padding: 1.5rem;
            max-height: 500px;
        }

        /* ========== 页脚 ========== */
        .dgca-footer {
            background: linear-gradient(135deg, #0F0E17, #1A1F3A);
            border-top: 1px solid var(--border-color);
            padding: 3rem 2rem;
            margin-top: 4rem;
        }

        .dgca-footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .dgca-footer-section h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .dgca-footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            list-style: none;
        }

        .dgca-footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
        }

        .dgca-footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(5px);
        }

        .dgca-footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 2rem;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 2rem;
            align-items: center;
        }

        .dgca-footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .dgca-footer-social {
            display: flex;
            gap: 1rem;
        }

        .dgca-social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(157, 78, 221, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 1.1rem;
        }

        .dgca-social-link:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }

        .dgca-footer-copyright {
            grid-column: 1 / -1;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
        }

        /* ========== 响应式设计 ========== */
        @media (max-width: 1024px) {
            .dgca-hero {
                grid-template-columns: 1fr;
                padding: 3rem 2rem;
            }

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

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

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

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

            .dgca-nav-menu {
                display: none;
            }

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

        @media (max-width: 768px) {
            .dgca-navbar-container {
                padding: 0 1rem;
            }

            .dgca-hero {
                padding: 2rem 1rem;
                min-height: auto;
                gap: 2rem;
            }

            .dgca-hero-title {
                font-size: 2rem;
            }

            .dgca-stats-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .dgca-activities-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

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

            .dgca-footer-container {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

            .dgca-activities {
                padding: 2rem 1rem;
            }

            .dgca-opensource {
                padding: 2rem 1rem;
            }

            .dgca-testimonials {
                padding: 2rem 1rem;
            }

            .dgca-discussions {
                padding: 2rem 1rem;
            }

            .dgca-guidelines {
                padding: 2rem 1rem;
            }

            .dgca-events {
                padding: 2rem 1rem;
            }

            .dgca-faq {
                padding: 2rem 1rem;
            }
        }

        @media (max-width: 480px) {
            .dgca-hero-cta {
                flex-direction: column;
            }

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

            .dgca-stats-container {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .dgca-stat-number {
                font-size: 2rem;
            }

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

            .dgca-activity-card,
            .dgca-testimonial-card,
            .dgca-guideline-card,
            .dgca-event-item {
                padding: 1rem;
            }

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

            .dgca-faq-question {
                padding: 1rem;
            }

            .dgca-faq-item.active .dgca-faq-answer {
                padding: 1rem;
            }
        }

        /* ========== 动画优化 ========== */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }