:root {
            --primary-blue: #2A5CFF;
            --dark-text: #2D3436;
            --light-bg: #F8F9FA;
            --border-color: #E0E0E0;
        }

        body {
            font-family: 'Microsoft Yahei', 'PingFang SC', sans-serif;
            color: var(--dark-text);
            background: var(--light-bg);
        }

        .main-header {
            background: rgba(255,255,255,0.98);
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .nav-logo {
            height: 40px;
            transition: opacity 0.3s;
        }

        .nav-link {
            color: var(--dark-text) !important;
            font-weight: 500;
            padding: 0.5rem 1.2rem !important;
            border-radius: 6px;
        }

        .nav-link:hover {
            background: rgba(42,92,255,0.1);
        }

        .feature-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 24px rgba(42,92,255,0.1);
        }

        @media (max-width: 768px) {
            body {
                font-size: 14px;
            }
            .main-header {
                padding: 0.5rem 1rem;
                display: flex;
                flex-direction: row;
                flex-wrap: nowrap;
                align-items: center;
                overflow-x: auto;
                white-space: nowrap;
            }
            .nav-logo {
                height: 30px;
            }
            .nav-link {
                padding: 0.3rem 0.8rem !important;
                display: inline-block;
                white-space: nowrap;
            }
            .zl-grid {
                grid-template-columns: 1fr !important;
                gap: 1rem;
            }
            .zl-card {
                padding: 1rem;
            }
            .live-type-card {
                margin-bottom: 1rem;
            }
        }

        .scroll-track {
            display: flex;
            animation: scroll 30s linear infinite;
            width: max-content;
        }

        .demo-item {
            flex: 0 0 280px;
            margin: 0 1rem;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }

        .demo-item img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .social-module {
            position: fixed;
            right: 20px;
            top: 120px;
            z-index: 999;
            width: 240px;
            background: #6C5CE7;
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        }

        .social-card {
            background: #fff;
            border-radius: 8px;
            padding: 16px;
            margin: 12px 0;
            transition: transform 0.3s;
        }

        .wechat-card {
            background: #09BB07;
        }

        .platform-icon {
            text-align: center;
            margin-bottom: 12px;
        }

        .platform-icon img {
            width: 32px;
            height: 32px;
        }

        .qr-container {
            width: 120px;
            height: 120px;
            margin: 0 auto;
            padding: 8px;
            background: #fff;
            border-radius: 6px;
        }

        .qrcode {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .platform-info {
            text-align: center;
            margin-top: 12px;
            color: #2D2B4A;
            font-weight: 500;
        }

        .social-card:hover {
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .nav-logo { height: 32px; }
            .feature-card { padding: 1.5rem; }
            .demo-item { flex: 0 0 240px; }
            .social-module { right: 10px; width: 200px; padding: 12px; }
            .qr-container { width: 100px; height: 100px; }
        }

        .zl-slider-container {
            max-width: 1200px;
            margin: 20px auto;
            position: relative;
            height: 420px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
        }

        .zl-slider-wrapper {
            height: 100%;
            position: relative;
        }

        .zl-slide {
            position: absolute;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.6s ease;
        }

        .zl-slide.active {
            opacity: 1;
        }

        .zl-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .slide-content {
            position: absolute;
            bottom: 30px;
            left: 30px;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        .slide-content h3 {
            font-size: 2.2rem;
            margin-bottom: 0.8rem;
        }

        .slider-controls {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            gap: 15px;
        }

        button.prev-btn,
        button.next-btn {
            background: rgba(255,255,255,0.2);
            border: none;
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            transition: background 0.3s;
        }

        .dots-container {
            display: flex;
            gap: 8px;
        }

        .dots-container .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255,255,255,0.4);
            cursor: pointer;
        }

        .dots-container .dot.active {
            background: #FFD700;
        }

        .zl-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
        }

        .zl-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem 0;
            border-bottom: 1px solid rgba(42,92,255,0.1);
        }

        .zl-title {
            font-size: 2.2rem;
            color: #2A5CFF;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .zl-subtitle {
            color: #6C5CE7;
            font-weight: 500;
            font-size: 1.1rem;
        }

        .zl-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .zl-card {
            background: white;
            border-radius: 1.5rem;
            padding: 2rem;
            box-shadow: 0 8px 32px rgba(42,92,255,0.08);
            transition: transform 0.3s;
        }

        .zl-card-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .zl-card-header i {
            font-size: 1.8rem;
            color: #2A5CFF;
            background: rgba(42,92,255,0.1);
            padding: 1rem;
            border-radius: 1rem;
        }

        .zl-btn {
            display: block;
            width: 100%;
            padding: 1.25rem;
            border-radius: 1rem;
            text-align: center;
            margin: 1rem 0;
            position: relative;
            overflow: hidden;
            transition: all 0.3s;
        }

        .zl-primary {
            background: #2A5CFF;
            color: white;
        }

        .zl-premium {
            background: linear-gradient(45deg, #FF6B00, #FF8F00);
            color: white;
        }

        .zl-support {
            text-align: center;
            padding: 2rem;
            background: rgba(42,92,255,0.05);
            border-radius: 1.5rem;
        }

        .zl-contact {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 2rem;
            background: white;
            border-radius: 2rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        }

        .live-type-section {
            background: linear-gradient(45deg, #f8f9fa 0%, #ffffff 100%);
        }

        .live-type-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(108,92,231,0.1);
            overflow: hidden;
            transition: transform 0.3s;
        }

        .live-type-card:hover {
            transform: translateY(-10px);
        }

        .type-header {
            padding: 2rem;
            color: white;
            text-align: center;
        }

        .type-header h3 {
            margin: 1rem 0 0.5rem;
            font-weight: 600;
        }

        .type-subtitle {
            opacity: 0.9;
            font-size: 0.9em;
        }

        .type-content {
            padding: 1.5rem;
            color: #4a4a4a;
        }

        .badge {
            background: rgba(108,92,231,0.1);
            color: #6C5CE7;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            margin: 0.3rem;
            display: inline-block;
            font-size: 0.9em;
        }

        .type-detail {
            padding-left: 1.5rem;
            margin-top: 1rem;
        }

        .type-detail li {
            position: relative;
            padding-left: 1rem;
            margin-bottom: 0.6rem;
        }

        .type-detail li:before {
            content: "•";
            color: #6C5CE7;
            position: absolute;
            left: 0;
        }

        .platform-section {
            padding: 3rem 1rem;
            background: #F8F9FA;
        }

        .section-title {
            text-align: center;
            font-size: 2rem;
            color: #2A5CFF;
            margin-bottom: 2rem;
            font-weight: 600;
        }

        .platform-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .platform-item {
            border: 1px solid #2A5CFF;
            border-radius: 8px;
            padding: 1.2rem;
            text-align: center;
            color: #2A5CFF;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        @media (max-width: 768px) {
            .platform-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .demo-scroller {
            max-width: 1400px;
            margin: 40px auto;
            padding: 0 20px;
        }

        .scroll-wrapper {
            position: relative;
            overflow: hidden;
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(calc(-300px * 33 - 20px * 32)); }
        }

        @media (max-width: 768px) {
            .demo-item {
                flex: 0 0 250px;
            }
            @keyframes scroll {
                100% { transform: translateX(calc(-250px * 33 - 20px * 32)); }
            }
            .scroll-track {
                animation-duration: 30s;
            }
        }