:root {
            --ejqv-primary: #FF6600;
            --ejqv-secondary: #2B2E33;
            --ejqv-accent: #007AFF;
            --ejqv-bg-light: #F8F9FA;
            --ejqv-text-dark: #1D1D1F;
            --ejqv-text-muted: #6E6E73;
            --ejqv-white: #FFFFFF;
            --ejqv-radius: 16px;
            --ejqv-transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--ejqv-text-dark);
            background-color: var(--ejqv-white);
            line-height: 1.8;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Layout System */
        .ejqv-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        /* Navigation */
        .ejqv-nav-wrapper {
            position: fixed;
            top: 24px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
        }

        .ejqv-navbar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            padding: 12px 32px;
            border-radius: 40px;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.3);
            max-width: 95vw;
        }

        .ejqv-logo {
            margin-right: 32px;
            display: flex;
            align-items: center;
        }

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

        .ejqv-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            list-style: none;
            min-width: 0;
        }

        .ejqv-menu a {
            text-decoration: none;
            color: var(--ejqv-text-dark);
            font-weight: 500;
            font-size: 14px;
            transition: var(--ejqv-transition);
            white-space: nowrap;
        }

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

        /* Hero Section */
        .ejqv-hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 120px;
            overflow: hidden;
            background: #000;
        }

        .ejqv-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.6;
            z-index: 1;
        }

        .ejqv-hero-content {
            position: relative;
            z-index: 2;
            color: var(--ejqv-white);
            max-width: 800px;
            word-break: break-word;
        }

        .ejqv-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 5rem);
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }

        .ejqv-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            opacity: 0.9;
            margin-bottom: 48px;
            font-weight: 300;
            max-width: 600px;
        }

        .ejqv-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            min-width: 0;
        }

        .ejqv-btn {
            display: inline-flex;
            align-items: center;
            padding: 18px 40px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--ejqv-transition);
            cursor: pointer;
            border: none;
        }

        .ejqv-btn-primary {
            background: var(--ejqv-primary);
            color: var(--ejqv-white);
        }

        .ejqv-btn-primary:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
        }

        /* Workflow Section */
        .ejqv-section {
            padding: 120px 0;
        }

        .ejqv-section-header {
            text-align: center;
            margin-bottom: 80px;
        }

        .ejqv-section-title {
            font-size: clamp(2rem, 3vw, 3.5rem);
            margin-bottom: 16px;
        }

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

        .ejqv-workflow-card {
            background: var(--ejqv-bg-light);
            padding: 48px;
            border-radius: var(--ejqv-radius);
            transition: var(--ejqv-transition);
            display: flex;
            flex-direction: column;
            border: 1px solid transparent;
        }

        .ejqv-workflow-card:hover {
            background: var(--ejqv-white);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            transform: translateY(-8px);
            border-color: #EEE;
        }

        .ejqv-persona-label {
            display: inline-block;
            color: var(--ejqv-primary);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 24px;
        }

        .ejqv-feature-list {
            list-style: none;
            margin: 24px 0;
            flex-grow: 1;
        }

        .ejqv-feature-item {
            margin-bottom: 12px;
            font-weight: 500;
            display: flex;
            align-items: flex-start;
        }

        .ejqv-feature-item::before {
            content: "•";
            color: var(--ejqv-primary);
            margin-right: 12px;
            font-weight: bold;
        }

        .ejqv-efficiency {
            background: rgba(255, 102, 0, 0.1);
            color: var(--ejqv-primary);
            padding: 12px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
        }

        /* AI & Feature Highlight Section */
        .ejqv-highlight-section {
            background: var(--ejqv-secondary);
            color: var(--ejqv-white);
            border-radius: 40px;
            margin: 0 20px;
            padding: 100px 0;
            overflow: hidden;
        }

        .ejqv-split-layout {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .ejqv-split-content {
            flex: 1;
            min-width: 320px;
        }

        .ejqv-split-visual {
            flex: 1.2;
            min-width: 320px;
        }

        .ejqv-split-visual img {
            width: 100%;
            height: auto;
            border-radius: var(--ejqv-radius);
            box-shadow: 0 30px 60px rgba(0,0,0,0.3);
        }

        .ejqv-tag {
            background: var(--ejqv-accent);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 12px;
            margin-bottom: 16px;
            display: inline-block;
        }

        /* Multi Device Section */
        .ejqv-multi-device {
            background: #FFF;
            text-align: center;
        }

        .ejqv-device-image-wrap {
            margin-top: 64px;
            position: relative;
            max-width: 1000px;
            margin-left: auto;
            margin-right: auto;
        }

        .ejqv-device-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Footer */
        .ejqv-footer {
            background: var(--ejqv-bg-light);
            padding: 80px 0 40px;
            border-top: 1px solid #EEE;
        }

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

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

        .ejqv-footer-links h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

        .ejqv-footer-links a {
            color: var(--ejqv-text-muted);
            text-decoration: none;
            transition: var(--ejqv-transition);
            font-size: 14px;
        }

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

        .ejqv-copyright {
            border-top: 1px solid #DDD;
            padding-top: 32px;
            text-align: center;
            font-size: 13px;
            color: var(--ejqv-text-muted);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .ejqv-container { padding: 0 24px; }
            .ejqv-nav-wrapper { top: 0; }
            .ejqv-navbar { border-radius: 0; width: 100%; max-width: 100%; }
            .ejqv-menu { display: none; } /* Mobile hidden for brevity */
            .ejqv-hero { padding-top: 80px; text-align: center; }
            .ejqv-cta-group { justify-content: center; }
            .ejqv-highlight-section { border-radius: 0; margin: 0; }
            .ejqv-section { padding: 64px 0; }
        }