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

        html, body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            background-color: #f9f9f9;
        }

        /* 导航栏样式 */
        .ef9dq1-navbar {
            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;
        }

        .ef9dq1-nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .ef9dq1-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            color: white;
            text-decoration: none;
        }

        .ef9dq1-logo img {
            height: 45px;
            width: auto;
        }

        .ef9dq1-nav-menu {
            display: flex;
            gap: 30px;
            list-style: none;
        }

        .ef9dq1-nav-link {
            color: white;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.3s ease;
            position: relative;
        }

        .ef9dq1-nav-link:hover {
            opacity: 0.8;
        }

        .ef9dq1-nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: white;
            transition: width 0.3s ease;
        }

        .ef9dq1-nav-link:hover::after {
            width: 100%;
        }

        /* 主容器 */
        .ef9dq1-main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 英雄区域 */
        .ef9dq1-hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
            border-radius: 0 0 20px 20px;
            margin-bottom: 60px;
        }

        .ef9dq1-hero-title {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .ef9dq1-hero-description {
            font-size: 18px;
            margin-bottom: 40px;
            opacity: 0.95;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .ef9dq1-hero-cta {
            display: inline-block;
            background-color: #ff6b6b;
            color: white;
            padding: 15px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .ef9dq1-hero-cta:hover {
            background-color: #ff5252;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        /* 内容区域 */
        .ef9dq1-content-wrapper {
            background: white;
            border-radius: 10px;
            padding: 50px;
            margin-bottom: 60px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .ef9dq1-content-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 30px;
            color: #2d3748;
            border-bottom: 3px solid #667eea;
            padding-bottom: 15px;
        }

        .ef9dq1-section {
            margin-bottom: 40px;
        }

        .ef9dq1-section-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
            color: #667eea;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ef9dq1-section-number {
            background-color: #667eea;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ef9dq1-section-content {
            margin-left: 50px;
            font-size: 15px;
            line-height: 1.8;
            color: #555;
        }

        .ef9dq1-step-list {
            list-style: none;
            margin-top: 15px;
        }

        .ef9dq1-step-item {
            padding: 12px 0;
            padding-left: 30px;
            position: relative;
            font-size: 15px;
            line-height: 1.7;
            color: #555;
        }

        .ef9dq1-step-item::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #667eea;
            font-weight: 700;
            font-size: 18px;
        }

        .ef9dq1-highlight-box {
            background-color: #f0f4ff;
            border-left: 4px solid #667eea;
            padding: 20px;
            margin: 20px 0;
            border-radius: 5px;
        }

        .ef9dq1-highlight-box strong {
            color: #667eea;
        }

        .ef9dq1-code-block {
            background-color: #2d2d2d;
            color: #f8f8f2;
            padding: 20px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 20px 0;
            font-family: 'Courier New', monospace;
            font-size: 13px;
            line-height: 1.5;
        }

        .ef9dq1-image-wrapper {
            margin: 30px 0;
            text-align: center;
        }

        .ef9dq1-image-wrapper img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .ef9dq1-image-caption {
            font-size: 13px;
            color: #888;
            margin-top: 10px;
            font-style: italic;
        }

        .ef9dq1-tips-box {
            background-color: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 20px;
            margin: 20px 0;
            border-radius: 5px;
        }

        .ef9dq1-tips-box::before {
            content: '💡 提示：';
            font-weight: 700;
            color: #ff9800;
        }

        .ef9dq1-warning-box {
            background-color: #f8d7da;
            border-left: 4px solid #dc3545;
            padding: 20px;
            margin: 20px 0;
            border-radius: 5px;
        }

        .ef9dq1-warning-box::before {
            content: '⚠️ 警告：';
            font-weight: 700;
            color: #dc3545;
        }

        /* CTA区域 */
        .ef9dq1-cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
            border-radius: 10px;
            margin-bottom: 60px;
        }

        .ef9dq1-cta-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .ef9dq1-cta-description {
            font-size: 16px;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .ef9dq1-cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .ef9dq1-btn-primary {
            background-color: #ff6b6b;
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            display: inline-block;
        }

        .ef9dq1-btn-primary:hover {
            background-color: #ff5252;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .ef9dq1-btn-secondary {
            background-color: transparent;
            color: white;
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: 2px solid white;
            display: inline-block;
        }

        .ef9dq1-btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* 常见问题 */
        .ef9dq1-faq-section {
            background: white;
            border-radius: 10px;
            padding: 50px;
            margin-bottom: 60px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .ef9dq1-faq-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 30px;
            color: #2d3748;
            border-bottom: 3px solid #667eea;
            padding-bottom: 15px;
        }

        .ef9dq1-faq-item {
            margin-bottom: 20px;
            border-bottom: 1px solid #e0e0e0;
            padding-bottom: 20px;
        }

        .ef9dq1-faq-question {
            font-size: 16px;
            font-weight: 600;
            color: #667eea;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .ef9dq1-faq-toggle {
            font-size: 20px;
            transition: transform 0.3s ease;
        }

        .ef9dq1-faq-answer {
            margin-top: 15px;
            font-size: 15px;
            color: #555;
            line-height: 1.7;
            display: none;
        }

        .ef9dq1-faq-answer.active {
            display: block;
        }

        /* 页脚 */
        .ef9dq1-footer {
            background-color: #2d3748;
            color: white;
            padding: 40px 20px;
            text-align: center;
        }

        .ef9dq1-footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }

        .ef9dq1-footer-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .ef9dq1-footer-link {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .ef9dq1-footer-link:hover {
            color: white;
        }

        .ef9dq1-footer-copyright {
            font-size: 14px;
            color: #a0aec0;
            border-top: 1px solid #4a5568;
            padding-top: 20px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .ef9dq1-hero-title {
                font-size: 32px;
            }

            .ef9dq1-hero-description {
                font-size: 16px;
            }

            .ef9dq1-nav-menu {
                gap: 15px;
                font-size: 12px;
            }

            .ef9dq1-content-wrapper {
                padding: 30px 20px;
            }

            .ef9dq1-content-title {
                font-size: 28px;
            }

            .ef9dq1-section-title {
                font-size: 20px;
            }

            .ef9dq1-section-content {
                margin-left: 0;
            }

            .ef9dq1-cta-title {
                font-size: 24px;
            }

            .ef9dq1-cta-buttons {
                flex-direction: column;
                gap: 15px;
            }

            .ef9dq1-btn-primary, .ef9dq1-btn-secondary {
                width: 100%;
            }

            .ef9dq1-footer-links {
                gap: 15px;
                font-size: 13px;
            }

            .ef9dq1-faq-section {
                padding: 30px 20px;
            }
        }

        @media (max-width: 480px) {
            .ef9dq1-nav-container {
                height: auto;
                padding: 15px 10px;
                flex-direction: column;
                gap: 15px;
            }

            .ef9dq1-nav-menu {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }

            .ef9dq1-hero {
                padding: 40px 15px;
                border-radius: 0 0 10px 10px;
            }

            .ef9dq1-hero-title {
                font-size: 24px;
            }

            .ef9dq1-main-container {
                padding: 0 15px;
            }

            .ef9dq1-content-wrapper {
                padding: 20px 15px;
                margin-bottom: 30px;
            }

            .ef9dq1-content-title {
                font-size: 22px;
            }

            .ef9dq1-section-title {
                font-size: 18px;
            }
        }