:root {
            --w87eju-primary: #FF6600;
            --w87eju-primary-light: #FF8533;
            --w87eju-secondary: #333333;
            --w87eju-bg: #FFFFFF;
            --w87eju-text: #1D1D1F;
            --w87eju-text-muted: #86868B;
            --w87eju-gray-100: #F5F5F7;
            --w87eju-spacing: 8px;
            --w87eju-max-width: 1300px;
        }

        * {
            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(--w87eju-bg);
            color: var(--w87eju-text);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* Utility Classes */
        .w87eju-flex { display: flex; flex-wrap: wrap; }
        .w87eju-grid { display: grid; }
        .w87eju-container { max-width: var(--w87eju-max-width); margin: 0 auto; padding: 0 32px; width: 100%; }

        /* Typography */
        h1, h2, h3 { 
            font-weight: 700; 
            line-height: 1.2; 
            word-break: keep-all; 
            white-space: normal;
        }
        p { word-break: break-word; overflow-wrap: break-word; line-height: 1.8; }

        /* Navigation */
        .w87eju-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .w87eju-nav-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            min-width: 0;
        }

        .w87eju-logo {
            flex: 0 0 auto;
            min-width: 0;
        }
        .w87eju-logo img {
            height: 32px;
            display: block;
        }

        .w87eju-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .w87eju-menu-item a {
            text-decoration: none;
            color: var(--w87eju-text);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 4px;
            position: relative;
        }

        .w87eju-menu-item a:hover { color: var(--w87eju-primary); }
        .w87eju-menu-item a.w87eju-active { color: var(--w87eju-primary); }
        .w87eju-menu-item a.w87eju-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--w87eju-primary);
            border-radius: 2px;
        }

        /* Hero Section */
        .w87eju-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at top right, rgba(255, 102, 0, 0.05), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(255, 102, 0, 0.03), transparent 30%);
            text-align: center;
            position: relative;
        }

        .w87eju-hero-content {
            max-width: 900px;
            margin: 0 auto;
            min-width: 0;
        }

        .w87eju-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            margin-bottom: 24px;
            color: var(--w87eju-secondary);
            letter-spacing: -0.02em;
        }

        .w87eju-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--w87eju-text-muted);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .w87eju-download-dock {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-top: 40px;
            min-width: 0;
        }

        .w87eju-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 40px;
            border-radius: 40px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            min-width: 0;
        }

        .w87eju-btn-primary {
            background: var(--w87eju-primary);
            color: #FFF;
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.2);
        }

        .w87eju-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 102, 0, 0.3);
            background: var(--w87eju-primary-light);
        }

        .w87eju-btn-outline {
            border: 2px solid var(--w87eju-primary);
            color: var(--w87eju-primary);
        }

        .w87eju-btn-outline:hover {
            background: rgba(255, 102, 0, 0.05);
            transform: translateY(-3px);
        }

        /* Matrix Section */
        .w87eju-matrix {
            padding: 96px 0;
            background: var(--w87eju-gray-100);
        }

        .w87eju-section-head {
            margin-bottom: 64px;
            text-align: center;
        }

        .w87eju-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.5rem);
            margin-bottom: 16px;
        }

        .w87eju-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .w87eju-matrix-card {
            background: #FFF;
            border-radius: 24px;
            padding: 48px;
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0,0,0,0.03);
            min-width: 0;
        }

        .w87eju-matrix-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .w87eju-card-icon {
            width: 64px;
            height: 64px;
            background: rgba(255, 102, 0, 0.1);
            border-radius: 16px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--w87eju-primary);
        }

        .w87eju-card-name {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--w87eju-secondary);
        }

        .w87eju-capacity-list {
            list-style: none;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .w87eju-capacity-item {
            font-size: 15px;
            color: var(--w87eju-text-muted);
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }

        .w87eju-capacity-item::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--w87eju-primary);
            font-weight: bold;
        }

        .w87eju-card-usecase {
            font-size: 14px;
            background: var(--w87eju-gray-100);
            padding: 12px 20px;
            border-radius: 12px;
            color: var(--w87eju-text);
            font-style: italic;
        }

        /* Showcase Section */
        .w87eju-showcase {
            padding: 120px 0;
            overflow: hidden;
        }

        .w87eju-showcase-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
            min-width: 0;
        }

        .w87eju-showcase-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .w87eju-showcase-text {
            flex: 1;
            min-width: 300px;
        }

        .w87eju-showcase-image {
            flex: 1.2;
            min-width: 300px;
            background: var(--w87eju-gray-100);
            border-radius: 32px;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .w87eju-showcase-image img {
            width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }

        .w87eju-showcase-image:hover img {
            transform: scale(1.02);
        }

        .w87eju-showcase-tag {
            display: inline-block;
            color: var(--w87eju-primary);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        /* Dynamic Section Marker */
        .w87eju-news {
            padding: 96px 0;
            border-top: 1px solid var(--w87eju-gray-100);
        }

        /* Footer */
        .w87eju-footer {
            background: var(--w87eju-secondary);
            color: #FFF;
            padding: 80px 0 40px;
        }

        .w87eju-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .w87eju-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
            color: #FFF;
        }

        .w87eju-footer-brand p {
            color: #B2B2B2;
            font-size: 14px;
        }

        .w87eju-footer-links h3 {
            font-size: 16px;
            margin-bottom: 24px;
            color: #FFF;
        }

        .w87eju-footer-links ul {
            list-style: none;
        }

        .w87eju-footer-links li {
            margin-bottom: 12px;
        }

        .w87eju-footer-links a {
            color: #B2B2B2;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

        .w87eju-footer-links a:hover {
            color: var(--w87eju-primary);
        }

        .w87eju-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            color: #888;
            font-size: 13px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .w87eju-menu { gap: 16px; }
            .w87eju-menu-item a { font-size: 14px; }
        }

        @media (max-width: 768px) {
            .w87eju-nav-container { height: auto; padding: 16px 20px; }
            .w87eju-menu { width: 100%; justify-content: center; margin-top: 16px; gap: 12px; }
            .w87eju-hero { padding: 120px 0 64px; }
            .w87eju-matrix-grid { grid-template-columns: 1fr; }
            .w87eju-showcase-row { gap: 32px; margin-bottom: 64px; }
            .w87eju-showcase-image { order: -1; }
        }