:root {
            --i0yps4-primary: #1d7c3d;
            --i0yps4-primary-light: #2da44e;
            --i0yps4-secondary: #f1911c;
            --i0yps4-dark: #0f172a;
            --i0yps4-gray-100: #f8fafc;
            --i0yps4-gray-200: #e2e8f0;
            --i0yps4-gray-700: #334155;
            --i0yps4-white: #ffffff;
            --i0yps4-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --i0yps4-max-width: 1300px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--i0yps4-gray-100);
            color: var(--i0yps4-dark);
            line-height: 1.6;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* Typography */
        h1, h2, h3 {
            line-height: 1.2;
            word-break: keep-all;
            white-space: normal;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        /* Navigation */
        .i0yps4-nav-wrapper {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--i0yps4-gray-200);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .i0yps4-nav-container {
            max-width: var(--i0yps4-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 12px 24px;
        }

        .i0yps4-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .i0yps4-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .i0yps4-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
            min-width: 0;
        }

        .i0yps4-menu-item a {
            text-decoration: none;
            color: var(--i0yps4-gray-700);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--i0yps4-transition);
        }

        .i0yps4-menu-item a:hover {
            color: var(--i0yps4-primary);
            background: rgba(29, 124, 61, 0.05);
        }

        .i0yps4-menu-item.active a {
            color: var(--i0yps4-primary);
            background: rgba(29, 124, 61, 0.1);
        }

        /* Hero Section - Unique Diagonal Split */
        .i0yps4-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #1d7c3d 0%, #0f172a 100%);
            color: white;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .i0yps4-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: var(--i0yps4-gray-100);
            clip-path: polygon(0 100%, 100% 100%, 100% 0);
        }

        .i0yps4-hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .i0yps4-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .i0yps4-hero p {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 40px;
        }

        /* Comparison Matrix */
        .i0yps4-section {
            padding: 96px 24px;
            max-width: var(--i0yps4-max-width);
            margin: 0 auto;
        }

        .i0yps4-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .i0yps4-section-title h2 {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.5rem);
            color: var(--i0yps4-dark);
            margin-bottom: 16px;
        }

        .i0yps4-matrix {
            background: var(--i0yps4-white);
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            overflow: hidden;
            border: 1px solid var(--i0yps4-gray-200);
        }

        .i0yps4-matrix-table {
            width: 100%;
            border-collapse: collapse;
        }

        .i0yps4-matrix-header {
            background: var(--i0yps4-dark);
            color: white;
        }

        .i0yps4-matrix-header th {
            padding: 24px;
            text-align: left;
            font-size: 1.1rem;
        }

        .i0yps4-matrix-row {
            border-bottom: 1px solid var(--i0yps4-gray-200);
            transition: var(--i0yps4-transition);
        }

        .i0yps4-matrix-row:hover {
            background-color: #f1f5f9;
        }

        .i0yps4-matrix-cell {
            padding: 20px 24px;
            min-width: 0;
        }

        .i0yps4-matrix-feature {
            font-weight: 700;
            color: var(--i0yps4-gray-700);
            width: 30%;
        }

        .i0yps4-matrix-wm {
            width: 35%;
            border-left: 2px solid rgba(29, 124, 61, 0.1);
            background: rgba(29, 124, 61, 0.02);
        }

        .i0yps4-matrix-bc {
            width: 35%;
        }

        .i0yps4-check-positive {
            color: var(--i0yps4-primary);
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .i0yps4-check-positive::before {
            content: "✓";
            background: var(--i0yps4-primary);
            color: white;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 12px;
        }

        /* Detailed Comparison Cards */
        .i0yps4-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .i0yps4-card {
            background: var(--i0yps4-white);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--i0yps4-gray-200);
            transition: var(--i0yps4-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .i0yps4-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
            border-color: var(--i0yps4-primary);
        }

        .i0yps4-card-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            height: 60px;
            display: flex;
            align-items: center;
        }

        .i0yps4-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--i0yps4-primary);
        }

        /* Price Banner */
        .i0yps4-banner {
            background: var(--i0yps4-dark);
            color: white;
            border-radius: 32px;
            padding: 64px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
            margin: 80px 24px;
        }

        .i0yps4-banner-text {
            flex: 1;
            min-width: 300px;
        }

        .i0yps4-banner-text h2 {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .i0yps4-cta-btn {
            display: inline-block;
            background: var(--i0yps4-primary);
            color: white;
            padding: 18px 48px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.2rem;
            transition: var(--i0yps4-transition);
            border: none;
            cursor: pointer;
        }

        .i0yps4-cta-btn:hover {
            background: var(--i0yps4-primary-light);
            box-shadow: 0 10px 20px rgba(45, 164, 78, 0.3);
            transform: scale(1.05);
        }

        /* Footer */
        .i0yps4-footer {
            background: #0a0f1a;
            color: #94a3b8;
            padding: 80px 24px 40px;
        }

        .i0yps4-footer-grid {
            max-width: var(--i0yps4-max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .i0yps4-footer-brand h4 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 24px;
        }

        .i0yps4-footer-links h5 {
            color: white;
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .i0yps4-footer-links ul {
            list-style: none;
        }

        .i0yps4-footer-links li {
            margin-bottom: 12px;
        }

        .i0yps4-footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--i0yps4-transition);
        }

        .i0yps4-footer-links a:hover {
            color: var(--i0yps4-primary);
        }

        .i0yps4-copyright {
            max-width: var(--i0yps4-max-width);
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.9rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 992px) {
            .i0yps4-banner {
                padding: 40px;
                text-align: center;
                justify-content: center;
            }
            .i0yps4-matrix-table {
                display: block;
                overflow-x: auto;
            }
        }

        @media (max-width: 768px) {
            .i0yps4-nav-container {
                flex-direction: column;
                padding: 12px;
            }
            .i0yps4-menu {
                justify-content: center;
                margin-top: 12px;
                gap: 8px;
            }
            .i0yps4-menu-item a {
                font-size: 0.85rem;
                padding: 6px 8px;
            }
            .i0yps4-hero {
                padding: 120px 20px 60px;
            }
            .i0yps4-section {
                padding: 64px 20px;
            }
            .i0yps4-matrix-feature {
                min-width: 140px;
            }
            .i0yps4-matrix-wm, .i0yps4-matrix-bc {
                min-width: 200px;
            }
        }