:root {
            --primary: #F7931E;
            --secondary: #FF6B35;
            --accent: #FFD23F;
            --bg-main: #0a0e1a;
            --bg-section: #0f1419;
            --bg-card: #141b26;
            --text: #e2e8f0;
            --text-muted: #94a3b8;
            --border: #1e293b;
            --shadow: rgba(247, 147, 30, 0.1);
        }

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

        html, body {
            background-color: var(--bg-main);
            color: var(--text);
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

        .yewq9-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 创新的圆形导航设计 */
        .yewq9-nav-wrapper {
            position: fixed;
            top: 32px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 50px;
            border: 1px solid var(--border);
            box-shadow: 0 8px 32px var(--shadow);
            padding: 8px;
        }

        .yewq9-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .yewq9-logo {
            margin-right: 16px;
            padding: 8px 16px;
        }

        .yewq9-logo img {
            height: 32px;
            width: auto;
        }

        .yewq9-nav-links {
            display: flex;
            gap: 4px;
            list-style: none;
        }

        .yewq9-nav-link {
            padding: 12px 20px;
            text-decoration: none;
            color: var(--text-muted);
            border-radius: 24px;
            transition: all 0.3s ease;
            font-size: 14px;
            font-weight: 500;
        }

        .yewq9-nav-link:hover,
        .yewq9-nav-link.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            transform: translateY(-2px);
        }

        .yewq9-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
        }

        /* Hero区域 - 创新的分层设计 */
        .yewq9-hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: var(--bg-main);
            position: relative;
            overflow: hidden;
        }

        .yewq9-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(247, 147, 30, 0.1), rgba(255, 107, 53, 0.05));
        }

        .yewq9-hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .yewq9-hero-text {
            animation: yewq9-slideInLeft 1s ease-out;
        }

        .yewq9-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .yewq9-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.3rem);
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .yewq9-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .yewq9-btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 16px 32px;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .yewq9-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 24px rgba(247, 147, 30, 0.3);
        }

        .yewq9-btn-secondary {
            background: transparent;
            color: var(--text);
            padding: 16px 32px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }

        .yewq9-btn-secondary:hover {
            border-color: var(--primary);
            background: rgba(247, 147, 30, 0.1);
            transform: translateY(-3px);
        }

        .yewq9-hero-visual {
            position: relative;
            animation: yewq9-slideInRight 1s ease-out;
        }

        .yewq9-hero-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        /* 浮动信号指示器 */
        .yewq9-signal-indicators {
            position: absolute;
            top: 20%;
            right: -20px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .yewq9-signal-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            animation: yewq9-pulse 2s infinite;
        }

        .yewq9-signal-dot:nth-child(2) {
            animation-delay: 0.5s;
        }

        .yewq9-signal-dot:nth-child(3) {
            animation-delay: 1s;
        }

        /* 功能特色区域 - 卡片网格布局 */
        .yewq9-features {
            padding: 96px 0;
            background: var(--bg-section);
        }

        .yewq9-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .yewq9-section-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .yewq9-section-subtitle {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .yewq9-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .yewq9-feature-card {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 32px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .yewq9-feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px var(--shadow);
            border-color: var(--primary);
        }

        .yewq9-feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 24px;
        }

        .yewq9-feature-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text);
        }

        .yewq9-feature-desc {
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .yewq9-feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .yewq9-tag {
            background: rgba(247, 147, 30, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
        }

        /* 产品展示区 */
        .yewq9-showcase {
            padding: 96px 0;
            background: var(--bg-main);
        }

        .yewq9-showcase-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .yewq9-showcase-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
        }

        .yewq9-showcase-text h3 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text);
        }

        .yewq9-showcase-text p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.1rem;
            line-height: 1.7;
        }

        .yewq9-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

        .yewq9-stat {
            text-align: center;
            padding: 20px;
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .yewq9-stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

        .yewq9-stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-top: 4px;
        }

        /* 客户案例区 */
        .yewq9-testimonials {
            padding: 96px 0;
            background: var(--bg-section);
        }

        .yewq9-testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .yewq9-testimonial {
            background: var(--bg-card);
            padding: 32px;
            border-radius: 20px;
            border: 1px solid var(--border);
            position: relative;
        }

        .yewq9-testimonial-content {
            margin-bottom: 24px;
            font-style: italic;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .yewq9-testimonial-author {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .yewq9-testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            object-fit: cover;
        }

        .yewq9-testimonial-info h4 {
            color: var(--text);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .yewq9-testimonial-info span {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .yewq9-rating {
            position: absolute;
            top: 24px;
            right: 24px;
            color: var(--accent);
        }

        /* 下载中心区 */
        .yewq9-downloads {
            padding: 96px 0;
            background: var(--bg-main);
        }

        .yewq9-download-platforms {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }

        .yewq9-platform-card {
            background: var(--bg-card);
            padding: 32px;
            border-radius: 20px;
            border: 1px solid var(--border);
            text-align: center;
            transition: all 0.3s ease;
        }

        .yewq9-platform-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 12px 24px var(--shadow);
        }

        .yewq9-platform-icon {
            font-size: 48px;
            margin-bottom: 16px;
            display: block;
        }

        .yewq9-platform-name {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .yewq9-platform-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .yewq9-download-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 25px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
        }

        .yewq9-download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(247, 147, 30, 0.3);
        }

        /* 页脚 */
        .yewq9-footer {
            background: var(--bg-section);
            padding: 64px 0 32px;
            border-top: 1px solid var(--border);
        }

        .yewq9-footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 48px;
            margin-bottom: 48px;
        }

        .yewq9-footer-brand h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--primary);
        }

        .yewq9-footer-brand p {
            color: var(--text-muted);
            line-height: 1.6;
        }

        .yewq9-footer-links h4 {
            color: var(--text);
            font-weight: 600;
            margin-bottom: 16px;
        }

        .yewq9-footer-links ul {
            list-style: none;
        }

        .yewq9-footer-links li {
            margin-bottom: 8px;
        }

        .yewq9-footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .yewq9-footer-links a:hover {
            color: var(--primary);
        }

        .yewq9-footer-bottom {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
        }

        /* 动画定义 */
        @keyframes yewq9-slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes yewq9-slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes yewq9-pulse {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.2);
            }
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .yewq9-hero-content {
                grid-template-columns: 1fr;
                gap: 48px;
                text-align: center;
            }

            .yewq9-showcase-content {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .yewq9-stats {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 768px) {
            .yewq9-nav-wrapper {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                transform: none;
                border-radius: 0;
                padding: 16px 24px;
            }

            .yewq9-nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-section);
                flex-direction: column;
                padding: 24px;
                border-radius: 0 0 16px 16px;
            }

            .yewq9-nav-links.active {
                display: flex;
            }

            .yewq9-mobile-toggle {
                display: block;
            }

            .yewq9-hero {
                padding-top: 100px;
            }

            .yewq9-hero-actions {
                justify-content: center;
            }

            .yewq9-features-grid {
                grid-template-columns: 1fr;
            }

            .yewq9-stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .yewq9-download-platforms {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .yewq9-container {
                padding: 0 16px;
            }

            .yewq9-hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .yewq9-btn-primary,
            .yewq9-btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .yewq9-stats {
                grid-template-columns: 1fr;
            }
        }