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

        html, body {
            height: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* 导航栏样式 */
        .dgca-navbar-wrapper {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .dgca-navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .dgca-logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: white;
            font-weight: bold;
            font-size: 20px;
        }

        .dgca-logo-section img {
            height: 45px;
            width: auto;
        }

        .dgca-nav-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .dgca-nav-link {
            color: white;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.3s ease;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .dgca-nav-link:hover {
            opacity: 0.8;
            border-bottom-color: white;
        }

        @media (max-width: 768px) {
            .dgca-nav-menu {
                gap: 15px;
            }

            .dgca-nav-link {
                font-size: 12px;
            }
        }

        /* 主容器 */
        .dgca-main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 面包屑导航 */
        .dgca-breadcrumb-section {
            padding: 20px 0;
            background-color: white;
            margin-top: 20px;
            border-radius: 8px;
        }

        .dgca-breadcrumb-list {
            list-style: none;
            display: flex;
            gap: 8px;
            font-size: 14px;
            color: #666;
        }

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

        .dgca-breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 8px;
        }

        .dgca-breadcrumb-link {
            color: #667eea;
            text-decoration: none;
        }

        .dgca-breadcrumb-link:hover {
            text-decoration: underline;
        }

        /* 页面标题区 */
        .dgca-header-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 60px 0;
            margin: 20px 0;
            border-radius: 12px;
            text-align: center;
        }

        .dgca-header-content h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 15px;
            letter-spacing: -0.5px;
        }

        .dgca-header-subtitle {
            font-size: 18px;
            opacity: 0.95;
            margin-bottom: 20px;
        }

        .dgca-header-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            font-size: 14px;
            opacity: 0.9;
        }

        @media (max-width: 768px) {
            .dgca-header-section {
                padding: 40px 0;
            }

            .dgca-header-content h1 {
                font-size: 32px;
            }

            .dgca-header-subtitle {
                font-size: 16px;
            }

            .dgca-header-meta {
                flex-direction: column;
                gap: 10px;
            }
        }

        /* 主内容区 */
        .dgca-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 40px 0;
        }

        .dgca-article-main {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .dgca-article-section {
            margin-bottom: 40px;
        }

        .dgca-article-section h2 {
            font-size: 28px;
            color: #667eea;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid #667eea;
        }

        .dgca-article-section h3 {
            font-size: 20px;
            color: #333;
            margin: 25px 0 15px 0;
            font-weight: 600;
        }

        .dgca-article-section p {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 15px;
            color: #555;
        }

        .dgca-step-list {
            list-style: none;
            counter-reset: step-counter;
        }

        .dgca-step-item {
            counter-increment: step-counter;
            margin-bottom: 20px;
            padding: 20px;
            background-color: #f8f9fa;
            border-left: 4px solid #667eea;
            border-radius: 4px;
        }

        .dgca-step-item::before {
            content: counter(step-counter);
            display: inline-block;
            width: 32px;
            height: 32px;
            background: #667eea;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 32px;
            font-weight: bold;
            margin-right: 12px;
            position: relative;
            top: -2px;
        }

        .dgca-step-content {
            display: inline-block;
            vertical-align: top;
            width: calc(100% - 50px);
        }

        .dgca-step-title {
            font-weight: 600;
            color: #333;
            font-size: 16px;
            margin-bottom: 8px;
        }

        .dgca-step-description {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
        }

        .dgca-feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }

        .dgca-feature-card {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 8px;
            border-top: 4px solid #667eea;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .dgca-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(102, 126, 234, 0.15);
        }

        .dgca-feature-icon {
            font-size: 32px;
            margin-bottom: 12px;
        }

        .dgca-feature-title {
            font-size: 16px;
            font-weight: 600;
            color: #333;
            margin-bottom: 10px;
        }

        .dgca-feature-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        .dgca-code-block {
            background: #2d2d2d;
            color: #f8f8f2;
            padding: 15px;
            border-radius: 6px;
            overflow-x: auto;
            margin: 20px 0;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            line-height: 1.5;
        }

        .dgca-highlight-box {
            background: #fffbea;
            border-left: 4px solid #ffc107;
            padding: 15px;
            border-radius: 4px;
            margin: 20px 0;
        }

        .dgca-highlight-box strong {
            color: #ff9800;
        }

        .dgca-highlight-box p {
            margin: 0;
            color: #666;
        }

        /* 侧边栏 */
        .dgca-sidebar {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            height: fit-content;
            position: sticky;
            top: 100px;
        }

        .dgca-sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: #333;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #667eea;
        }

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

        .dgca-toc-item {
            margin-bottom: 12px;
        }

        .dgca-toc-link {
            color: #667eea;
            text-decoration: none;
            font-size: 14px;
            display: block;
            padding: 8px 0;
            transition: color 0.3s ease;
        }

        .dgca-toc-link:hover {
            color: #764ba2;
            padding-left: 5px;
        }

        .dgca-sidebar-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 20px;
            border-radius: 8px;
            margin-top: 25px;
            text-align: center;
        }

        .dgca-sidebar-box-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .dgca-sidebar-box-text {
            font-size: 13px;
            opacity: 0.95;
            margin-bottom: 15px;
        }

        /* CTA 区域 */
        .dgca-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 50px;
            border-radius: 12px;
            text-align: center;
            margin: 50px 0;
        }

        .dgca-cta-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .dgca-cta-description {
            font-size: 16px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .dgca-cta-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .dgca-btn {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
        }

        .dgca-btn-primary {
            background: white;
            color: #667eea;
        }

        .dgca-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .dgca-btn-secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid white;
        }

        .dgca-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.3);
        }

        /* FAQ 区域 */
        .dgca-faq-section {
            background: white;
            padding: 40px;
            border-radius: 12px;
            margin: 40px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .dgca-faq-title {
            font-size: 28px;
            color: #667eea;
            margin-bottom: 30px;
            text-align: center;
        }

        .dgca-faq-item {
            margin-bottom: 20px;
            border: 1px solid #e0e0e0;
            border-radius: 6px;
            overflow: hidden;
        }

        .dgca-faq-question {
            background: #f8f9fa;
            padding: 15px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #333;
            transition: background 0.3s ease;
        }

        .dgca-faq-question:hover {
            background: #e9ecef;
        }

        .dgca-faq-toggle {
            font-size: 18px;
            color: #667eea;
        }

        .dgca-faq-answer {
            padding: 15px;
            color: #666;
            line-height: 1.8;
            display: none;
        }

        .dgca-faq-answer.dgca-active {
            display: block;
        }

        /* 页脚 */
        .dgca-footer-wrapper {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 50px 0 20px 0;
            margin-top: 60px;
        }

        .dgca-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .dgca-footer-column h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 15px;
            color: white;
        }

        .dgca-footer-links {
            list-style: none;
        }

        .dgca-footer-link {
            color: #bdc3c7;
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 10px;
            display: block;
            transition: color 0.3s ease;
        }

        .dgca-footer-link:hover {
            color: #667eea;
        }

        .dgca-footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            color: #95a5a6;
            font-size: 13px;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .dgca-content-wrapper {
                grid-template-columns: 1fr;
            }

            .dgca-sidebar {
                position: static;
            }
        }

        @media (max-width: 768px) {
            .dgca-article-main {
                padding: 20px;
            }

            .dgca-cta-section {
                padding: 30px 20px;
            }

            .dgca-cta-title {
                font-size: 24px;
            }

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

            .dgca-btn {
                width: 100%;
            }

            .dgca-header-content h1 {
                font-size: 28px;
            }

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

            .dgca-faq-section {
                padding: 20px;
            }
        }