:root {
            --u25mzy-primary: #D4333C;
            --u25mzy-primary-hover: #b52a32;
            --u25mzy-secondary: #2C3E50;
            --u25mzy-accent: #3498DB;
            --u25mzy-bg-light: #F8F9FA;
            --u25mzy-text-dark: #1A1A1A;
            --u25mzy-text-gray: #666666;
            --u25mzy-white: #FFFFFF;
            --u25mzy-shadow: 0 8px 30px rgba(0,0,0,0.08);
            --u25mzy-radius: 16px;
            --u25mzy-max-width: 1400px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--u25mzy-text-dark);
            line-height: 1.8;
            background-color: var(--u25mzy-white);
            overflow-x: hidden;
        }

        /* Layout & Spacing */
        .u25mzy-container {
            width: 100%;
            max-width: var(--u25mzy-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .u25mzy-section {
            padding: 96px 0;
            word-break: break-word;
            overflow-wrap: break-word;
        }

        /* Navigation */
        .u25mzy-nav-wrapper {
            position: fixed;
            top: 0;
            left: 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);
            transition: all 0.3s ease;
        }

        .u25mzy-nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            max-width: var(--u25mzy-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .u25mzy-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .u25mzy-logo img {
            height: 40px;
            display: block;
        }

        .u25mzy-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .u25mzy-menu-link {
            text-decoration: none;
            color: var(--u25mzy-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .u25mzy-menu-link:hover {
            color: var(--u25mzy-primary);
            background: rgba(212, 51, 60, 0.05);
        }

        .u25mzy-menu-link.u25mzy-active {
            color: var(--u25mzy-primary);
            background: rgba(212, 51, 60, 0.1);
        }

        /* Hero / Conversion Section */
        .u25mzy-hero {
            padding-top: 160px;
            background: radial-gradient(circle at 90% 10%, rgba(212, 51, 60, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(52, 152, 219, 0.05) 0%, transparent 40%);
        }

        .u25mzy-hero-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

        .u25mzy-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .u25mzy-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--u25mzy-secondary);
            word-break: keep-all;
        }

        .u25mzy-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--u25mzy-text-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        /* The Conversion Card - Unique UI */
        .u25mzy-converter-card {
            flex: 1;
            min-width: 320px;
            background: var(--u25mzy-white);
            border-radius: var(--u25mzy-radius);
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            padding: 40px;
            border: 1px solid rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
        }

        .u25mzy-drop-zone {
            border: 2px dashed #E0E0E0;
            border-radius: 12px;
            padding: 64px 24px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            background: var(--u25mzy-bg-light);
        }

        .u25mzy-drop-zone:hover {
            border-color: var(--u25mzy-primary);
            background: rgba(212, 51, 60, 0.02);
        }

        .u25mzy-upload-icon {
            font-size: 48px;
            margin-bottom: 16px;
            display: block;
        }

        .u25mzy-btn-primary {
            display: inline-block;
            background: var(--u25mzy-primary);
            color: var(--u25mzy-white);
            padding: 16px 40px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.2s, background 0.2s;
            box-shadow: 0 4px 15px rgba(212, 51, 60, 0.3);
            border: none;
            cursor: pointer;
        }

        .u25mzy-btn-primary:hover {
            background: var(--u25mzy-primary-hover);
            transform: translateY(-2px);
        }

        /* Scenarios Section */
        .u25mzy-scenario-section {
            background-color: var(--u25mzy-bg-light);
        }

        .u25mzy-grid-scenarios {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 32px;
        }

        .u25mzy-scenario-card {
            background: var(--u25mzy-white);
            padding: 40px;
            border-radius: var(--u25mzy-radius);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .u25mzy-scenario-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--u25mzy-shadow);
        }

        .u25mzy-tag {
            display: inline-block;
            background: rgba(52, 152, 219, 0.1);
            color: var(--u25mzy-accent);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .u25mzy-card-title {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--u25mzy-secondary);
        }

        .u25mzy-pain-list {
            margin-bottom: 24px;
            list-style: none;
        }

        .u25mzy-pain-list li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 8px;
            color: var(--u25mzy-text-gray);
            font-size: 14px;
        }

        .u25mzy-pain-list li::before {
            content: "✕";
            position: absolute;
            left: 0;
            color: var(--u25mzy-primary);
            font-weight: bold;
        }

        .u25mzy-solution-box {
            background: #F1F4F8;
            padding: 20px;
            border-radius: 12px;
            margin-top: auto;
        }

        /* Narrative / Success Stories */
        .u25mzy-success-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .u25mzy-success-item {
            flex: 1;
            min-width: 300px;
            background: var(--u25mzy-white);
            border-left: 4px solid var(--u25mzy-primary);
            padding: 32px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        .u25mzy-quote {
            font-style: italic;
            color: var(--u25mzy-secondary);
            font-size: 18px;
            margin-bottom: 20px;
        }

        .u25mzy-entity {
            font-weight: 700;
            color: var(--u25mzy-text-dark);
            display: block;
        }

        .u25mzy-outcome {
            color: var(--u25mzy-primary);
            font-size: 14px;
            font-weight: 600;
        }

        /* Footer */
        .u25mzy-footer {
            background: var(--u25mzy-secondary);
            color: rgba(255,255,255,0.8);
            padding: 80px 0 40px;
        }

        .u25mzy-footer-content {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 64px;
        }

        .u25mzy-footer-info {
            flex: 2;
            min-width: 300px;
        }

        .u25mzy-footer-brand {
            font-size: 24px;
            color: var(--u25mzy-white);
            font-weight: 700;
            margin-bottom: 24px;
        }

        .u25mzy-footer-links {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .u25mzy-footer-link {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: color 0.3s;
        }

        .u25mzy-footer-link:hover {
            color: var(--u25mzy-white);
        }

        .u25mzy-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .u25mzy-nav-container {
                height: auto;
                padding: 16px 24px;
            }
            .u25mzy-menu {
                order: 3;
                width: 100%;
                justify-content: center;
                margin-top: 16px;
            }
        }

        @media (max-width: 768px) {
            .u25mzy-section {
                padding: 64px 0;
            }
            .u25mzy-grid-scenarios {
                grid-template-columns: 1fr;
            }
            .u25mzy-hero-grid {
                flex-direction: column;
                text-align: center;
            }
            .u25mzy-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .u25mzy-converter-card {
                width: 100%;
            }
        }