:root {
            --aw2v-primary: #D42D2D;
            --aw2v-primary-dark: #B02323;
            --aw2v-secondary: #1A1A1B;
            --aw2v-text-main: #2C3E50;
            --aw2v-text-muted: #64748B;
            --aw2v-bg-light: #F8FAFC;
            --aw2v-white: #FFFFFF;
            --aw2v-accent: #3B82F6;
            --aw2v-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --aw2v-radius: 16px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--aw2v-bg-light);
            color: var(--aw2v-text-main);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 导航系统 */
        .aw2v-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .aw2v-nav-container {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            flex-wrap: wrap;
        }

        .aw2v-logo {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .aw2v-logo img {
            height: 36px;
            width: auto;
        }

        .aw2v-nav-menu {
            display: flex;
            gap: 8px;
            list-style: none;
            flex-wrap: wrap;
            min-width: 0;
        }

        .aw2v-nav-item a {
            text-decoration: none;
            color: var(--aw2v-text-main);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s;
            display: block;
        }

        .aw2v-nav-item a:hover {
            color: var(--aw2v-primary);
            background: rgba(212, 45, 45, 0.05);
        }

        .aw2v-nav-item.active a {
            color: var(--aw2v-white);
            background: var(--aw2v-primary);
        }

        /* Hero 视觉区 */
        .aw2v-hero {
            padding: 160px 24px 80px;
            background: radial-gradient(circle at 90% 10%, rgba(212, 45, 45, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
                        var(--aw2v-white);
            text-align: center;
            position: relative;
        }

        .aw2v-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .aw2v-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(212, 45, 45, 0.1);
            color: var(--aw2v-primary);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .aw2v-hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            color: var(--aw2v-secondary);
            margin-bottom: 24px;
            font-weight: 800;
            white-space: normal;
        }

        .aw2v-hero p {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--aw2v-text-muted);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            word-break: break-word;
        }

        /* 极速效能矩阵 */
        .aw2v-section {
            padding: 80px 24px;
            max-width: 1320px;
            margin: 0 auto;
        }

        .aw2v-section-header {
            margin-bottom: 64px;
            text-align: center;
        }

        .aw2v-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--aw2v-secondary);
            margin-bottom: 16px;
        }

        .aw2v-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .aw2v-matrix-card {
            background: var(--aw2v-white);
            padding: 40px;
            border-radius: var(--aw2v-radius);
            box-shadow: var(--aw2v-shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .aw2v-matrix-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.12);
        }

        .aw2v-card-icon {
            width: 64px;
            height: 64px;
            background: var(--aw2v-bg-light);
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--aw2v-primary);
        }

        .aw2v-matrix-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--aw2v-secondary);
        }

        .aw2v-feature-list {
            list-style: none;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .aw2v-feature-list li {
            padding: 8px 0;
            color: var(--aw2v-text-muted);
            display: flex;
            align-items: center;
            font-size: 0.95rem;
        }

        .aw2v-feature-list li::before {
            content: "✓";
            color: var(--aw2v-primary);
            margin-right: 12px;
            font-weight: bold;
        }

        .aw2v-performance-tag {
            background: #F1F5F9;
            padding: 12px 20px;
            border-radius: 10px;
            font-size: 0.9rem;
            color: var(--aw2v-secondary);
            font-weight: 600;
        }

        /* 快捷键大师专区 - 独特视觉 */
        .aw2v-shortcuts-showcase {
            background: var(--aw2v-secondary);
            color: var(--aw2v-white);
            border-radius: 32px;
            padding: 80px 48px;
            margin-top: 48px;
            position: relative;
            overflow: hidden;
        }

        .aw2v-shortcut-item {
            display: flex;
            align-items: center;
            background: rgba(255,255,255,0.05);
            padding: 16px 24px;
            border-radius: 12px;
            margin-bottom: 16px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: background 0.2s;
        }

        .aw2v-shortcut-item:hover {
            background: rgba(255,255,255,0.1);
        }

        .aw2v-key {
            background: #E2E8F0;
            color: #1A1A1B;
            padding: 4px 10px;
            border-radius: 6px;
            font-family: monospace;
            font-weight: bold;
            box-shadow: 0 3px 0 #CBD5E1;
            margin: 0 4px;
            font-size: 0.85rem;
        }

        .aw2v-shortcut-desc {
            margin-left: 20px;
            font-weight: 500;
        }

        /* 专家解决方案 */
        .aw2v-solution-row {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 96px;
            align-items: center;
        }

        .aw2v-solution-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .aw2v-solution-image {
            flex: 1;
            min-width: 320px;
            background: var(--aw2v-white);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--aw2v-shadow);
            position: relative;
        }

        .aw2v-visual-placeholder {
            width: 100%;
            height: 300px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--aw2v-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .aw2v-solution-text {
            flex: 1;
            min-width: 320px;
        }

        .aw2v-solution-text h3 {
            font-size: 2rem;
            margin-bottom: 24px;
            color: var(--aw2v-secondary);
        }

        .aw2v-solution-quote {
            padding-left: 24px;
            border-left: 4px solid var(--aw2v-primary);
            font-style: italic;
            color: var(--aw2v-text-muted);
            margin-top: 24px;
        }

        /* FAQ */
        .aw2v-faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .aw2v-faq-item {
            background: var(--aw2v-white);
            border-radius: 12px;
            padding: 32px;
            margin-bottom: 16px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .aw2v-faq-q {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--aw2v-secondary);
            margin-bottom: 12px;
            display: flex;
            gap: 12px;
        }

        .aw2v-faq-q::before {
            content: "Q";
            color: var(--aw2v-primary);
        }

        .aw2v-faq-a {
            color: var(--aw2v-text-muted);
            line-height: 1.8;
        }

        /* 页脚 */
        .aw2v-footer {
            background: var(--aw2v-secondary);
            color: var(--aw2v-white);
            padding: 80px 24px 40px;
            margin-top: 80px;
        }

        .aw2v-footer-top {
            max-width: 1320px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .aw2v-footer-brand {
            flex: 0 0 300px;
            min-width: 0;
        }

        .aw2v-footer-brand h2 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--aw2v-white);
        }

        .aw2v-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .aw2v-footer-col h4 {
            margin-bottom: 24px;
            font-size: 1rem;
            color: var(--aw2v-white);
        }

        .aw2v-footer-col ul {
            list-style: none;
        }

        .aw2v-footer-col li {
            margin-bottom: 12px;
        }

        .aw2v-footer-col a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: color 0.2s;
            font-size: 0.9rem;
        }

        .aw2v-footer-col a:hover {
            color: var(--aw2v-primary);
        }

        .aw2v-footer-bottom {
            max-width: 1320px;
            margin: 40px auto 0;
            text-align: center;
            color: rgba(255,255,255,0.4);
            font-size: 0.85rem;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .aw2v-nav-menu {
                display: none; /* 简化处理，移动端通常使用汉堡菜单 */
            }
            .aw2v-hero h1 {
                font-size: 2.2rem;
            }
            .aw2v-section-title {
                font-size: 1.8rem;
            }
            .aw2v-shortcuts-showcase {
                padding: 40px 24px;
            }
        }