:root {
            --aw2v-primary: #D43C33;
            --aw2v-primary-light: #FFEDED;
            --aw2v-dark: #1A1A1A;
            --aw2v-text: #333333;
            --aw2v-text-muted: #666666;
            --aw2v-bg-light: #F8F9FA;
            --aw2v-white: #FFFFFF;
            --aw2v-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --aw2v-radius: 16px;
            --aw2v-max-width: 1300px;
        }

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

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

        /* Typography */
        h1, h2, h3, h4 {
            color: var(--aw2v-dark);
            line-height: 1.3;
            font-weight: 700;
            white-space: normal;
        }

        h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); }
        h2 { font-size: clamp(1.8rem, 3vw + 0.5rem, 2.8rem); margin-bottom: 24px; }
        h3 { font-size: clamp(1.2rem, 2vw + 0.2rem, 1.8rem); }
        p { font-size: clamp(1rem, 1vw + 0.5rem, 1.125rem); color: var(--aw2v-text-muted); }

        /* Navigation */
        .aw2v-navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 12px 24px;
            transition: all 0.3s ease;
        }

        .aw2v-nav-container {
            max-width: var(--aw2v-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .aw2v-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .aw2v-logo img {
            height: 40px;
            display: block;
        }

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

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

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

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

        /* Hero Section - Centered Stacked Layout */
        .aw2v-hero {
            padding: 160px 24px 96px;
            position: relative;
            background-color: var(--aw2v-dark);
            text-align: center;
            color: var(--aw2v-white);
            overflow: hidden;
        }

        .aw2v-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 1;
        }

        .aw2v-hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .aw2v-hero-title {
            color: var(--aw2v-white);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .aw2v-hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .aw2v-hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            min-width: 0;
        }

        .aw2v-btn {
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 180px;
        }

        .aw2v-btn-primary {
            background: var(--aw2v-primary);
            color: var(--aw2v-white);
            box-shadow: 0 10px 20px rgba(212, 60, 51, 0.3);
        }

        .aw2v-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(212, 60, 51, 0.4);
        }

        .aw2v-btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: var(--aw2v-white);
        }

        .aw2v-btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--aw2v-white);
        }

        /* Productivity Matrix - Grid Layout */
        .aw2v-section {
            padding: 96px 24px;
            max-width: var(--aw2v-max-width);
            margin: 0 auto;
        }

        .aw2v-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
            margin-top: 64px;
        }

        .aw2v-matrix-card {
            background: var(--aw2v-white);
            border: 1px solid #EEEEEE;
            border-radius: var(--aw2v-radius);
            padding: 40px;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            display: flex;
            flex-direction: column;
            min-width: 0;
            position: relative;
            overflow: hidden;
        }

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

        .aw2v-matrix-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--aw2v-primary);
            transition: height 0.3s ease;
        }

        .aw2v-matrix-card:hover::after {
            height: 100%;
        }

        .aw2v-matrix-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
        }

        .aw2v-matrix-title {
            margin-bottom: 16px;
        }

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

        .aw2v-feature-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .aw2v-feature-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--aw2v-primary);
            font-weight: bold;
        }

        .aw2v-metric {
            background: var(--aw2v-bg-light);
            padding: 12px 20px;
            border-radius: 12px;
            font-weight: 600;
            color: var(--aw2v-primary);
            font-size: 0.9rem;
            display: inline-block;
        }

        /* Visual Feature Section - Two Column Mixed */
        .aw2v-feature-block {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

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

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

        .aw2v-feature-image {
            flex: 1;
            min-width: 320px;
        }

        .aw2v-feature-image img {
            width: 100%;
            height: auto;
            border-radius: var(--aw2v-radius);
            box-shadow: var(--aw2v-shadow);
        }

        /* Solutions Area */
        .aw2v-solutions-container {
            background-color: var(--aw2v-bg-light);
            border-radius: 32px;
            padding: 80px 48px;
            margin: 0 24px 96px;
        }

        .aw2v-solution-item {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            padding: 40px;
            background: var(--aw2v-white);
            border-radius: 20px;
            margin-bottom: 24px;
            min-width: 0;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .aw2v-user-tag {
            background: var(--aw2v-dark);
            color: var(--aw2v-white);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            display: inline-block;
            margin-bottom: 16px;
        }

        .aw2v-problem {
            font-weight: 700;
            color: var(--aw2v-dark);
            margin-bottom: 12px;
            display: block;
        }

        /* FAQ Section */
        .aw2v-faq-list {
            max-width: 800px;
            margin: 48px auto 0;
        }

        .aw2v-faq-item {
            border-bottom: 1px solid #EEEEEE;
            padding: 32px 0;
        }

        .aw2v-faq-question {
            font-size: 1.25rem;
            color: var(--aw2v-dark);
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* Footer */
        .aw2v-footer {
            background: var(--aw2v-dark);
            color: var(--aw2v-white);
            padding: 80px 24px;
        }

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

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

        .aw2v-footer-brand-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

        .aw2v-footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 40px;
            flex: 2;
        }

        .aw2v-footer-group h4 {
            color: var(--aw2v-white);
            margin-bottom: 24px;
        }

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

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

        .aw2v-footer-group ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .aw2v-footer-bottom {
            max-width: var(--aw2v-max-width);
            margin: 80px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.9rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .aw2v-solutions-container {
                padding: 48px 24px;
            }
        }

        @media (max-width: 768px) {
            .aw2v-nav-menu {
                display: none; /* In a real project, a mobile toggle would be here */
            }
            .aw2v-hero {
                padding: 120px 24px 64px;
            }
            .aw2v-feature-block {
                gap: 32px;
            }
            .aw2v-feature-block, .aw2v-feature-block:nth-child(even) {
                flex-direction: column;
            }
            .aw2v-feature-text, .aw2v-feature-image {
                min-width: 100%;
            }
            .aw2v-matrix-grid {
                grid-template-columns: 1fr;
            }
            .aw2v-solution-item {
                padding: 24px;
            }
        }