:root {
            --aw2v-primary: #D4380D;
            --aw2v-primary-light: #FFBB96;
            --aw2v-accent: #FA541C;
            --aw2v-bg-light: #FAFAFA;
            --aw2v-text-main: #262626;
            --aw2v-text-muted: #595959;
            --aw2v-white: #FFFFFF;
            --aw2v-shadow: 0 8px 24px rgba(0,0,0,0.08);
            --aw2v-radius: 16px;
            --aw2v-container-width: 1300px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--aw2v-text-main);
            background-color: var(--aw2v-bg-light);
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .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: var(--aw2v-container-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

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

        .aw2v-logo img {
            height: 32px;
            width: auto;
        }

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

        .aw2v-nav-item a {
            text-decoration: none;
            color: var(--aw2v-text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .aw2v-nav-item a:hover {
            color: var(--aw2v-primary);
            background: rgba(212, 56, 13, 0.05);
        }

        .aw2v-nav-item.active a {
            color: var(--aw2v-primary);
            background: rgba(212, 56, 13, 0.1);
        }

        /* Hero 区块 - 独特非对称布局 */
        .aw2v-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at top right, #FFF2E8 0%, #FFFFFF 60%);
            position: relative;
            overflow: hidden;
        }

        .aw2v-hero::after {
            content: "";
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 400px;
            height: 400px;
            background: linear-gradient(135deg, rgba(250, 84, 28, 0.05) 0%, rgba(250, 84, 28, 0) 100%);
            border-radius: 50%;
            z-index: 0;
        }

        .aw2v-hero-content {
            max-width: var(--aw2v-container-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .aw2v-hero-badge {
            display: inline-block;
            background: var(--aw2v-primary);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .aw2v-hero-title {
            font-size: clamp(2rem, 5vw + 1rem, 4rem);
            line-height: 1.2;
            font-weight: 800;
            color: #1a1a1a;
            margin-bottom: 24px;
            max-width: 900px;
            word-break: break-word;
        }

        .aw2v-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--aw2v-text-muted);
            margin-bottom: 48px;
            max-width: 700px;
            line-height: 1.8;
        }

        .aw2v-hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .aw2v-btn {
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            display: inline-block;
        }

        .aw2v-btn-primary {
            background: linear-gradient(135deg, var(--aw2v-primary) 0%, var(--aw2v-accent) 100%);
            color: white;
            box-shadow: 0 10px 20px rgba(212, 56, 13, 0.2);
        }

        .aw2v-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(212, 56, 13, 0.3);
        }

        /* 生产力矩阵 - 阶梯式布局 */
        .aw2v-matrix-section {
            padding: 96px 24px;
            background: #fff;
        }

        .aw2v-section-header {
            max-width: var(--aw2v-container-width);
            margin: 0 auto 64px;
            text-align: left;
        }

        .aw2v-section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .aw2v-section-title::after {
            content: "";
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 4px;
            background: var(--aw2v-primary);
        }

        .aw2v-matrix-grid {
            max-width: var(--aw2v-container-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .aw2v-matrix-card {
            background: var(--aw2v-bg-light);
            padding: 40px;
            border-radius: var(--aw2v-radius);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .aw2v-matrix-card:hover {
            transform: translateY(-10px);
            background: #fff;
            box-shadow: var(--aw2v-shadow);
            border-color: var(--aw2v-primary-light);
        }

        .aw2v-matrix-icon {
            font-size: 40px;
            margin-bottom: 24px;
            color: var(--aw2v-primary);
        }

        .aw2v-matrix-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .aw2v-matrix-features li {
            margin-bottom: 12px;
            color: var(--aw2v-text-muted);
            display: flex;
            align-items: center;
        }

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

        .aw2v-matrix-metric {
            padding-top: 24px;
            border-top: 1px dashed rgba(0,0,0,0.1);
            font-weight: 600;
            color: var(--aw2v-primary);
        }

        /* 专家解决方案 - 深度卡片 */
        .aw2v-solution-section {
            padding: 96px 24px;
            background: #111;
            color: #fff;
        }

        .aw2v-solution-container {
            max-width: var(--aw2v-container-width);
            margin: 0 auto;
        }

        .aw2v-solution-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .aw2v-solution-card {
            flex: 1;
            min-width: 300px;
            background: rgba(255,255,255,0.05);
            padding: 48px;
            border-radius: var(--aw2v-radius);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all 0.3s ease;
        }

        .aw2v-solution-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--aw2v-primary);
        }

        .aw2v-solution-user {
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--aw2v-primary-light);
            margin-bottom: 16px;
            display: block;
        }

        .aw2v-solution-problem {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            line-height: 1.4;
        }

        .aw2v-solution-text {
            color: #ccc;
            line-height: 1.8;
            font-size: 16px;
        }

        /* FAQ 区块 */
        .aw2v-faq-section {
            padding: 96px 24px;
            background: var(--aw2v-bg-light);
        }

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

        .aw2v-faq-item {
            background: #fff;
            margin-bottom: 16px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.02);
        }

        .aw2v-faq-question {
            padding: 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
        }

        .aw2v-faq-answer {
            padding: 0 24px 24px;
            color: var(--aw2v-text-muted);
            line-height: 1.7;
        }

        /* 动态内容标记区块 */
        .aw2v-dynamic-section {
            padding: 64px 24px;
            background: #fff;
            text-align: center;
        }

        /* 页脚 */
        .aw2v-footer {
            background: #fff;
            padding: 80px 24px 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .aw2v-footer-content {
            max-width: var(--aw2v-container-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 48px;
        }

        .aw2v-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .aw2v-footer-brand h2 {
            font-size: 24px;
            color: var(--aw2v-primary);
            margin-bottom: 16px;
        }

        .aw2v-footer-brand p {
            color: var(--aw2v-text-muted);
            max-width: 300px;
        }

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

        .aw2v-footer-group h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

        .aw2v-footer-group ul li a {
            text-decoration: none;
            color: var(--aw2v-text-muted);
            transition: color 0.2s;
        }

        .aw2v-footer-group ul li a:hover {
            color: var(--aw2v-primary);
        }

        .aw2v-copyright {
            max-width: var(--aw2v-container-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            color: #999;
            font-size: 14px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .aw2v-nav-menu {
                display: none; /* 简化移动端，实际项目中应有汉堡菜单 */
            }
            .aw2v-hero {
                padding-top: 120px;
                padding-bottom: 64px;
            }
            .aw2v-solution-card {
                padding: 32px;
            }
            .aw2v-matrix-grid {
                grid-template-columns: 1fr;
            }
        }