:root {
            --kmnh1y-primary: #FF4D11;
            --kmnh1y-primary-light: #FF8A65;
            --kmnh1y-dark: #1D1D1F;
            --kmnh1y-gray-bg: #F5F5F7;
            --kmnh1y-text-main: #333333;
            --kmnh1y-text-sub: #666666;
            --kmnh1y-white: #FFFFFF;
            --kmnh1y-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--kmnh1y-text-main);
            background-color: var(--kmnh1y-white);
            line-height: 1.8;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Navigation */
        .kmnh1y-nav-wrapper {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .kmnh1y-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 48px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .kmnh1y-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .kmnh1y-logo img {
            height: 32px;
            width: auto;
        }

        .kmnh1y-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .kmnh1y-menu a {
            text-decoration: none;
            color: var(--kmnh1y-dark);
            font-size: 15px;
            font-weight: 500;
            transition: var(--kmnh1y-transition);
            white-space: nowrap;
        }

        .kmnh1y-menu a:hover {
            color: var(--kmnh1y-primary);
        }

        /* Hero Section - Unique Layout */
        .kmnh1y-hero {
            padding: 160px 48px 96px;
            background: radial-gradient(circle at 90% 10%, #fff5f2 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .kmnh1y-hero-inner {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .kmnh1y-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .kmnh1y-hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--kmnh1y-primary);
            color: white;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .kmnh1y-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--kmnh1y-dark);
            margin-bottom: 32px;
            letter-spacing: -1px;
        }

        .kmnh1y-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--kmnh1y-text-sub);
            max-width: 600px;
            margin-bottom: 48px;
        }

        .kmnh1y-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .kmnh1y-hero-card {
            background: var(--kmnh1y-white);
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 40px 80px rgba(0,0,0,0.08);
            border: 1px solid rgba(255, 77, 17, 0.1);
            transform: rotate(2deg);
            transition: var(--kmnh1y-transition);
        }

        .kmnh1y-hero-card:hover {
            transform: rotate(0deg) translateY(-10px);
        }

        /* Review Score Section */
        .kmnh1y-section {
            padding: 96px 48px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .kmnh1y-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .kmnh1y-score-card {
            background: var(--kmnh1y-gray-bg);
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            transition: var(--kmnh1y-transition);
        }

        .kmnh1y-score-card:hover {
            background: var(--kmnh1y-white);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            transform: translateY(-5px);
        }

        .kmnh1y-score-value {
            font-size: 64px;
            font-weight: 800;
            color: var(--kmnh1y-primary);
            display: block;
            margin-bottom: 8px;
        }

        .kmnh1y-score-label {
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 16px;
            display: block;
        }

        /* Feature Detailed Review */
        .kmnh1y-feature-row {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            align-items: center;
            margin-bottom: 120px;
        }

        .kmnh1y-feature-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .kmnh1y-feature-text {
            flex: 1;
            min-width: 300px;
        }

        .kmnh1y-feature-image {
            flex: 1.2;
            min-width: 300px;
            background: #eee;
            aspect-ratio: 16/10;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .kmnh1y-feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .kmnh1y-h2 {
            font-size: 40px;
            font-weight: 700;
            margin-bottom: 24px;
            line-height: 1.3;
        }

        .kmnh1y-feature-list {
            list-style: none;
            margin-top: 24px;
        }

        .kmnh1y-feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
        }

        .kmnh1y-feature-list li::before {
            content: "✓";
            color: var(--kmnh1y-primary);
            font-weight: bold;
        }

        /* Version Evolution Hub */
        .kmnh1y-version-section {
            background-color: var(--kmnh1y-dark);
            color: var(--kmnh1y-white);
            padding: 96px 48px;
            border-radius: 40px;
            margin: 48px;
        }

        .kmnh1y-version-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
            margin-top: 64px;
        }

        .kmnh1y-version-card {
            background: rgba(255,255,255,0.05);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--kmnh1y-transition);
        }

        .kmnh1y-version-card:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--kmnh1y-primary);
        }

        .kmnh1y-platform-tag {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--kmnh1y-primary-light);
            margin-bottom: 16px;
            display: block;
        }

        .kmnh1y-v-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .kmnh1y-metrics {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 13px;
            color: #999;
        }

        /* FAQ Section */
        .kmnh1y-faq-wrapper {
            max-width: 900px;
            margin: 0 auto;
        }

        .kmnh1y-faq-item {
            margin-bottom: 24px;
            border-radius: 16px;
            background: var(--kmnh1y-gray-bg);
            padding: 32px;
        }

        .kmnh1y-faq-q {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--kmnh1y-dark);
        }

        .kmnh1y-faq-a {
            color: var(--kmnh1y-text-sub);
        }

        /* Footer */
        .kmnh1y-footer {
            background: #fafafa;
            padding: 96px 48px 48px;
            border-top: 1px solid #eee;
        }

        .kmnh1y-footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .kmnh1y-footer-brand h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--kmnh1y-primary);
            margin-bottom: 16px;
        }

        .kmnh1y-footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 64px;
        }

        .kmnh1y-footer-col h4 {
            margin-bottom: 24px;
            font-size: 16px;
            font-weight: 700;
        }

        .kmnh1y-footer-col ul {
            list-style: none;
        }

        .kmnh1y-footer-col li {
            margin-bottom: 12px;
        }

        .kmnh1y-footer-col a {
            text-decoration: none;
            color: var(--kmnh1y-text-sub);
            transition: var(--kmnh1y-transition);
        }

        .kmnh1y-footer-col a:hover {
            color: var(--kmnh1y-primary);
        }

        .kmnh1y-copyright {
            width: 100%;
            margin-top: 80px;
            padding-top: 32px;
            border-top: 1px solid #eee;
            text-align: center;
            color: #999;
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .kmnh1y-hero-inner { flex-direction: column; text-align: center; }
            .kmnh1y-hero-subtitle { margin: 0 auto 48px; }
            .kmnh1y-footer-links { gap: 32px; }
        }

        @media (max-width: 768px) {
            .kmnh1y-nav-container { padding: 0 24px; height: auto; padding-top: 16px; padding-bottom: 16px; }
            .kmnh1y-menu { justify-content: center; margin-top: 16px; width: 100%; }
            .kmnh1y-section { padding: 64px 24px; }
            .kmnh1y-hero { padding: 120px 24px 64px; }
            .kmnh1y-version-section { margin: 24px; padding: 48px 24px; }
            .kmnh1y-footer-links { grid-template-columns: 1fr; gap: 40px; }
        }