:root {
            --m04y-primary: #1e56fa;
            --m04y-secondary: #ff4d4f;
            --m04y-bg: #f8fafc;
            --m04y-text: #1e293b;
            --m04y-text-light: #64748b;
            --m04y-white: #ffffff;
            --m04y-accent: #e0e7ff;
            --m04y-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            --m04y-radius: 16px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--m04y-bg);
            color: var(--m04y-text);
            line-height: 1.8;
            word-break: keep-all;
            overflow-x: hidden;
        }

        .m04y-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Navigation */
        .m04y-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .m04y-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            min-width: 0;
        }

        .m04y-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .m04y-logo img {
            height: 32px;
            width: auto;
        }

        .m04y-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .m04y-menu-item a {
            text-decoration: none;
            color: var(--m04y-text);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .m04y-menu-item a:hover,
        .m04y-menu-item a.m04y-active {
            color: var(--m04y-primary);
        }

        /* Hero Section */
        .m04y-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            background: radial-gradient(circle at top right, #e0e7ff 0%, #f8fafc 50%);
            text-align: center;
        }

        .m04y-hero-content {
            max-width: 900px;
            margin: 0 auto;
            word-break: break-word;
        }

        .m04y-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            color: #0f172a;
            letter-spacing: -0.02em;
        }

        .m04y-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--m04y-text-light);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Shortcut Grid Layout */
        .m04y-shortcuts-section {
            padding: 80px 0;
        }

        .m04y-category-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-bottom: 64px;
            min-width: 0;
        }

        .m04y-tab-btn {
            padding: 12px 32px;
            background: var(--m04y-white);
            border: 1px solid #e2e8f0;
            border-radius: 50px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            color: var(--m04y-text-light);
        }

        .m04y-tab-btn:hover {
            border-color: var(--m04y-primary);
            color: var(--m04y-primary);
            transform: translateY(-2px);
        }

        .m04y-tab-btn.m04y-active {
            background: var(--m04y-primary);
            color: var(--m04y-white);
            border-color: var(--m04y-primary);
            box-shadow: 0 10px 20px rgba(30, 86, 250, 0.2);
        }

        .m04y-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .m04y-card {
            background: var(--m04y-white);
            border-radius: var(--m04y-radius);
            padding: 32px;
            box-shadow: var(--m04y-shadow);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.02);
            display: flex;
            flex-direction: column;
            gap: 20px;
            min-width: 0;
        }

        .m04y-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
        }

        .m04y-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .m04y-card-icon {
            width: 40px;
            height: 40px;
            background: var(--m04y-accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--m04y-primary);
            font-weight: bold;
        }

        .m04y-card-title {
            font-size: 1.25rem;
            font-weight: 700;
        }

        .m04y-shortcut-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .m04y-shortcut-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 12px;
            border-bottom: 1px dashed #e2e8f0;
        }

        .m04y-shortcut-label {
            color: var(--m04y-text-light);
            font-size: 14px;
        }

        .m04y-shortcut-keys {
            display: flex;
            gap: 4px;
        }

        .m04y-key {
            background: #f1f5f9;
            border: 1px solid #cbd5e1;
            border-bottom-width: 3px;
            padding: 2px 8px;
            border-radius: 6px;
            font-family: monospace;
            font-size: 12px;
            font-weight: 700;
            color: #475569;
        }

        /* Power Features Section */
        .m04y-features-section {
            padding: 96px 0;
            background: #ffffff;
        }

        .m04y-feature-row {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
            margin-bottom: 80px;
            min-width: 0;
        }

        .m04y-feature-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .m04y-feature-info {
            flex: 1;
            min-width: 300px;
        }

        .m04y-feature-badge {
            display: inline-block;
            padding: 4px 12px;
            background: var(--m04y-accent);
            color: var(--m04y-primary);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .m04y-feature-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .m04y-feature-desc {
            color: var(--m04y-text-light);
            margin-bottom: 24px;
        }

        .m04y-feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            min-width: 0;
        }

        .m04y-tag {
            background: #f8fafc;
            padding: 6px 16px;
            border-radius: 8px;
            font-size: 14px;
            border: 1px solid #edf2f7;
        }

        /* Footer */
        .m04y-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 80px 0 40px;
        }

        .m04y-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
            min-width: 0;
        }

        .m04y-footer-brand h2 {
            color: var(--m04y-white);
            margin-bottom: 20px;
            font-size: 24px;
        }

        .m04y-footer-links h4 {
            color: var(--m04y-white);
            margin-bottom: 24px;
            font-size: 16px;
        }

        .m04y-footer-links ul {
            list-style: none;
        }

        .m04y-footer-links li {
            margin-bottom: 12px;
        }

        .m04y-footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .m04y-footer-links a:hover {
            color: var(--m04y-white);
        }

        .m04y-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 32px;
            text-align: center;
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .m04y-nav {
                height: auto;
                padding: 16px 0;
                justify-content: center;
                gap: 16px;
            }
            .m04y-menu {
                justify-content: center;
                gap: 12px;
            }
            .m04y-hero {
                padding-top: 120px;
            }
            .m04y-grid {
                grid-template-columns: 1fr;
            }
            .m04y-feature-row {
                flex-direction: column !important;
                text-align: center;
            }
            .m04y-feature-tags {
                justify-content: center;
            }
        }