/* --- General Styles --- */
        
        :root { 
            --primary-color: #6366f1; 
            --secondary-color: #8b5cf6;
            --popular-color: #f59e0b; 
            --check-color: #10b981; 
            --cross-color: #ef4444;
            --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
        }
        
        * { box-sizing: border-box; }
        
        body, h1, h2, h3, h4, p, ul, table { 
            margin: 0; 
            padding: 0; 
            font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Helvetica, Arial, sans-serif; 
        }
        
        body { 
            background-color: #f9fafb; 
            color: #1f2937; 
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a { 
            text-decoration: none; 
            color: inherit; 
            transition: all 0.3s ease;
        }
        
        .container { 
            max-width: 1200px; 
            margin: 0 auto; 
            padding: 0 20px; 
        }
        
        .section { 
            padding: 100px 0; 
            position: relative; 
        }
        
        .section-title { 
            font-size: 42px; 
            margin-bottom: 20px; 
            color: #111827; 
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        
        .section-subtitle { 
            font-size: 15px; 
            color: #6b7280; 
            margin-bottom: 60px; 
            text-transform: uppercase; 
            letter-spacing: 2px;
            font-weight: 600;
        }

        /* --- Header & Navigation --- */
        .header { 
            background-color: rgba(255, 255, 255, 0.95); 
            backdrop-filter: blur(10px);
            box-shadow: 0 1px 3px rgba(0,0,0,0.1); 
            padding: 18px 0; 
            position: sticky; 
            top: 0; 
            z-index: 1000;
            border-bottom: 1px solid rgba(99, 102, 241, 0.1);
        }
        
        .header .container, .nav ul { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
        }
        
        .logo img { 
            height: 35px;
            transition: transform 0.3s ease;
        }
        
        .logo:hover img {
            transform: scale(1.05);
        }
        
        .nav ul { 
            list-style: none; 
            gap: 40px; 
        }
        
        .nav a { 
            font-size: 15px; 
            color: #374151; 
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        
        .nav a:hover { 
            color: var(--primary-color);
            border-bottom-color: var(--primary-color);
        }
        
        .nav a.cta-button {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: white;
            padding: 10px 25px;
            border-radius: 50px;
            border-bottom: none;
            box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
        }
        
        .nav a.cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
            background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
        }

        /* --- Enhanced Floating Sidebar --- */
        .floating-sidebar { 
            position: fixed; 
            top: 50%; 
            right: 20px; 
            transform: translateY(-50%); 
            z-index: 999; 
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3); 
            border-radius: 16px;
            padding: 15px;
        }
        
        .floating-sidebar ul { 
            list-style: none; 
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        
        .floating-sidebar a { 
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
            color: white;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
        }
        
        .floating-sidebar a:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateX(-5px);
        }
        
        .floating-sidebar img { 
            height: 24px; 
            width: 24px;
       /* filter: brightness(0) invert(1); */  /* 删除这行 */
        }

        /* --- Banner with Animation --- */
        .banner { 
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(139, 92, 246, 0.95) 100%), 
                        url('/banner.avif') no-repeat center center; 
            background-size: cover; 
            color: #fff; 
            padding: 180px 0;
            position: relative;
            overflow: hidden;
        }
        
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
                        radial-gradient(circle at 80% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%);
            animation: pulse 8s ease-in-out infinite;
        }
        
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        
        .banner-content { 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        
        .banner h1 { 
            font-size: 56px; 
            margin-bottom: 25px; 
            text-shadow: 2px 2px 20px rgba(0,0,0,0.3);
            animation: fadeInUp 1s ease;
            letter-spacing: -1px;
        }
        
        .banner p { 
            font-size: 20px; 
            max-width: 800px; 
            line-height: 1.8; 
            text-shadow: 1px 1px 10px rgba(0,0,0,0.3); 
            text-align: center;
            animation: fadeInUp 1s ease 0.2s both;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .banner-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 50px;
            margin-top: 60px;
            animation: fadeInUp 1s ease 0.4s both;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .stat-label {
            font-size: 16px;
            opacity: 0.9;
        }

        /* --- Grid & Items Styles --- */
        .grid-2, .grid-3, .grid-4, .grid-6, .grid-8 { 
            display: grid; 
            gap: 30px; 
        }
        
        .grid-2 { grid-template-columns: repeat(auto-fit, minmax(500px, 1fr)); }
        .grid-3 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
        .grid-4 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
        .grid-6 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
        .grid-8 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
        
        .service-item { 
            background: white;
            border: 1px solid #e5e7eb; 
            padding: 40px 30px; 
            border-radius: 16px; 
            text-align: center; 
            transition: all 0.4s ease; 
            position: relative;
            overflow: hidden;
        }
        
        .service-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-1);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }
        
        .service-item:hover::before {
            transform: scaleX(1);
        }
        
        .service-item:hover { 
            box-shadow: 0 20px 50px rgba(99, 102, 241, 0.15); 
            transform: translateY(-8px);
            border-color: var(--primary-color);
        }
        
        .service-item img { 
            height: 70px; 
            margin-bottom: 25px;
            transition: transform 0.4s ease;
        }
        
        .service-item:hover img {
            transform: scale(1.1) rotate(5deg);
        }
        
        .service-item h3 { 
            font-size: 22px; 
            margin-bottom: 15px; 
            color: #111827;
            font-weight: 700;
        }
        
        .service-item p { 
            font-size: 15px; 
            color: #6b7280; 
            line-height: 1.7; 
        }

        /* --- Solutions Section --- */
        .solution-item { 
            background-color: #fff; 
            border-radius: 16px; 
            overflow: hidden; 
            box-shadow: 0 4px 20px rgba(0,0,0,0.08); 
            transition: all 0.4s ease; 
            position: relative; 
            color: white;
            height: 280px;
        }
        
        .solution-item:hover { 
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
        }
        
        .solution-item .solution-bg { 
            width: 100%; 
            height: 100%; 
            object-fit: cover; 
            display: block;
            transition: transform 0.6s ease;
        }
        
        .solution-item:hover .solution-bg {
            transform: scale(1.1);
        }
        
        .solution-overlay { 
            position: absolute; 
            bottom: 0; 
            left: 0; 
            right: 0; 
            padding: 35px; 
            background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.5) 70%, transparent 100%);
            transition: all 0.4s ease;
        }
        
        .solution-item:hover .solution-overlay {
            padding-bottom: 45px;
        }
        
        .solution-overlay h3 { 
            font-size: 26px; 
            margin-bottom: 12px;
            font-weight: 700;
        }
        
        .solution-overlay p {
            font-size: 15px;
            line-height: 1.6;
            opacity: 0.95;
        }

        /* --- NEW: Batch Generation Section (from image) --- */
        .batch-generation {
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
        }
        
        .batch-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }
        
        .batch-text {
            text-align: left;
        }
        
        .batch-text h2 {
            font-size: 48px;
            color: #0f172a;
            margin-bottom: 30px;
            font-weight: 800;
            line-height: 1.2;
        }
        
        .batch-text p {
            font-size: 16px;
            color: #475569;
            line-height: 1.8;
            margin-bottom: 35px;
        }
        
        .batch-features {
            list-style: none;
            margin-bottom: 40px;
        }
        
        .batch-features li {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 15px;
            color: #334155;
            line-height: 1.6;
        }
        
        .batch-features li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
            color: white;
            border-radius: 50%;
            flex-shrink: 0;
            font-weight: bold;
            font-size: 14px;
        }
        
        .batch-preview {
            position: relative;
        }
        
        .preview-window {
            background: white;
            border-radius: 20px;
            padding: 20px;
            box-shadow: 0 25px 50px rgba(99, 102, 241, 0.2);
            position: relative;
        }
        
        .window-header {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
        }
        
        .window-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }
        
        .window-dot:nth-child(1) { background: #ef4444; }
        .window-dot:nth-child(2) { background: #f59e0b; }
        .window-dot:nth-child(3) { background: #10b981; }
        
        .preview-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }
        
        .preview-card {
            background: #f8fafc;
            padding: 20px;
            border-radius: 12px;
            border: 2px solid #e2e8f0;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .preview-card:hover {
            border-color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.15);
        }
        
        .preview-icon {
            width: 45px;
            height: 45px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }
        
        .icon-blue { background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); }
        .icon-orange { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
        .icon-green { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
        .icon-purple { background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%); }
        .icon-pink { background: linear-gradient(135deg, #ec4899 0%, #db2777 100%); }
        .icon-cyan { background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%); }
        
        .preview-card span {
            font-weight: 600;
            font-size: 14px;
            color: #1e293b;
        }
        
        .btn-trial {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
            color: white;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
        }
        
        .btn-trial:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(99, 102, 241, 0.4);
        }

        /* --- NEW: AI Training Section --- */
        .ai-training-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }
        
        .training-visual {
            position: relative;
        }
        
        .training-items {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            position: relative;
        }
        
        .training-item {
            background: white;
            padding: 25px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            display: flex;
            align-items: center;
            gap: 15px;
            transition: all 0.3s ease;
            border: 2px solid #e5e7eb;
        }
        
        .training-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(139, 92, 246, 0.2);
            border-color: var(--secondary-color);
        }
        
        .training-item img {
            width: 45px;
            height: 45px;
            object-fit: contain;
        }
        
        .training-item span {
            font-size: 16px;
            font-weight: 600;
            color: #1f2937;
        }
        
        .training-text {
            text-align: left;
        }
        
        .training-text h2 {
            font-size: 48px;
            color: #0f172a;
            margin-bottom: 30px;
            font-weight: 800;
            line-height: 1.2;
        }
        
        .training-text p {
            font-size: 16px;
            color: #475569;
            line-height: 1.8;
            margin-bottom: 35px;
        }
        
        .training-features {
            list-style: none;
            margin-bottom: 40px;
        }
        
        .training-features li {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 15px;
            color: #334155;
            line-height: 1.6;
        }
        
        .training-features li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
            color: white;
            border-radius: 50%;
            flex-shrink: 0;
            font-weight: bold;
            font-size: 14px;
        }

        /* --- CMS Grid --- */
        .cms-grid { 
            display: grid;
            grid-template-columns: repeat(6, 1fr); 
            gap: 20px; 
        }
        
        .cms-item { 
            background: white;
            padding: 30px 20px; 
            border-radius: 16px; 
            display: flex; 
            flex-direction: column; 
            justify-content: center; 
            align-items: center; 
            gap: 15px; 
            transition: all 0.3s ease; 
            border: 2px solid #e5e7eb;
        }
        
        .cms-item:hover { 
            transform: translateY(-5px); 
            box-shadow: 0 12px 30px rgba(99, 102, 241, 0.15);
            border-color: var(--primary-color);
        }
        
        .cms-item img { 
            height: 55px; 
            width: 55px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }
        
        .cms-item:hover img {
            transform: scale(1.1);
        }
        
        .cms-item span { 
            font-weight: 600;
            font-size: 14px;
            color: #374151;
        }

        /* --- NEW: Process Steps Section --- */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: 60px;
        }
        
        .process-step {
            text-align: center;
            position: relative;
        }
        
        .process-step::after {
            content: '→';
            position: absolute;
            top: 30px;
            right: -15px;
            font-size: 24px;
            color: var(--primary-color);
            opacity: 0.3;
        }
        
        .process-step:last-child::after {
            display: none;
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background: var(--gradient-1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            color: white;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
        }
        
        .step-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #111827;
        }
        
        .step-desc {
            font-size: 14px;
            color: #6b7280;
            line-height: 1.6;
        }

        /* --- Server Hosting Section (Image Style) --- */
        .server-hosting {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: white;
        }

        /* --- Pricing Section --- */
        .pricing-card-new { 
            background: white;
            border: 2px solid #e5e7eb; 
            border-radius: 20px; 
            padding: 40px 35px; 
            transition: all 0.4s ease; 
            position: relative; 
            text-align: left;
        }
        
        .pricing-card-new:hover { 
            transform: translateY(-15px); 
            box-shadow: 0 25px 60px rgba(99, 102, 241, 0.2);
            border-color: var(--primary-color);
        }
        
        .pricing-card-new.popular { 
            border-color: var(--popular-color); 
            border-width: 3px;
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
        }
        
        .popular-badge {
            position: absolute;
            top: -15px;
            right: 30px;
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
        }
        
        .pricing-card-new h3 {
            font-size: 28px;
            margin-bottom: 10px;
            color: #111827;
            font-weight: 700;
        }
        
        .pricing-card-new .price { 
            font-size: 48px; 
            font-weight: 800; 
            margin: 20px 0;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .pricing-card-new .price span { 
            font-size: 18px; 
            font-weight: 500; 
            color: #6b7280; 
        }
        
        .pricing-card-new > p { 
            color: #6b7280; 
            margin-bottom: 30px; 
            line-height: 1.7; 
            min-height: 70px;
            font-size: 15px;
        }
        
        .pricing-features h4 { 
            font-size: 17px; 
            margin-top: 25px; 
            margin-bottom: 18px; 
            border-bottom: 2px solid #e5e7eb; 
            padding-bottom: 12px;
            color: #111827;
            font-weight: 700;
        }
        
        .pricing-features ul { 
            list-style: none; 
        }
        
        .pricing-features li { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            padding: 12px 0;
            border-bottom: 1px solid #f3f4f6;
        }
        
        .pricing-features li:last-child {
            border-bottom: none;
        }
        
        .pricing-features li span:first-child { 
            color: #374151;
            font-size: 14px;
        }
        
        .pricing-features li span:last-child { 
            font-weight: 600;
            color: #111827;
        }
        
        .icon-check::before { 
            content: '✓'; 
            color: var(--check-color); 
            font-size: 20px;
            font-weight: bold;
        }
        
        .icon-cross::before { 
            content: '✗'; 
            color: var(--cross-color); 
            font-size: 20px; 
        }
        
        .btn { 
            display: inline-block; 
            padding: 16px 35px; 
            border-radius: 50px; 
            font-weight: 700; 
            transition: all 0.3s ease; 
            width: 100%; 
            box-sizing: border-box; 
            margin-top: 35px;
            font-size: 16px;
            text-align: center;
        }
        
        .btn-outline { 
            border: 2px solid var(--primary-color); 
            color: var(--primary-color);
            background: white;
        } 
        
        .btn-outline:hover { 
            background: var(--primary-color); 
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
        }
        
        .btn-popular { 
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); 
            color: #fff; 
            border: none;
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
        } 
        
        .btn-popular:hover { 
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(245, 158, 11, 0.4);
        }

        /* --- Payment Icons --- */
        .payment-icons { 
            display: flex; 
            justify-content: center; 
            align-items: center; 
            flex-wrap: wrap; 
            gap: 40px;
            margin-top: 40px;
        }
        
        .payment-icon {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
            transition: all 0.3s ease;
        }
        
        .payment-icon img { 
            height: 60px;
            filter: grayscale(1);
            transition: all 0.3s ease;
        }
        
        .payment-icon:hover img { 
            filter: grayscale(0);
            transform: scale(1.1);
        }
        
        .payment-icon span {
            font-size: 14px;
            font-weight: 600;
            color: #6b7280;
        }

        /* --- Testimonials --- */
        .testimonial-card { 
            background: white; 
            padding: 35px; 
            border-radius: 16px; 
            border: 2px solid #e5e7eb; 
            text-align: left; 
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(99, 102, 241, 0.15);
            border-color: var(--primary-color);
        }
        
        .testimonial-header { 
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .testimonial-header img { 
            width: 70px; 
            height: 70px; 
            border-radius: 50%; 
            margin-right: 20px;
            border: 3px solid var(--primary-color);
        }
        
        .testimonial-info h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #111827;
        }
        
        .stars { 
            color: #fbbf24;
            font-size: 18px;
            letter-spacing: 2px;
        }
        
        .testimonial-card p {
            font-size: 15px;
            line-height: 1.7;
            color: #4b5563;
            font-style: italic;
        }

        /* --- CTA Banner --- */
        .cta-banner { 
            background: var(--gradient-1);
            color: #fff; 
            border-radius: 24px; 
            padding: 70px 50px; 
            display: flex; 
            justify-content: space-between; 
            align-items: center;
            box-shadow: 0 20px 50px rgba(99, 102, 241, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: rotate 20s linear infinite;
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
        }
        
        .cta-content h2 {
            font-size: 36px;
            margin-bottom: 15px;
            font-weight: 800;
        }
        
        .cta-content p {
            font-size: 18px;
            opacity: 0.95;
        }
        
        .cta-buttons {
            display: flex;
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        
        .cta-buttons a {
            padding: 16px 35px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            transition: all 0.3s ease;
        }
        
        .cta-buttons a:first-child {
            background: white;
            color: var(--primary-color);
        }
        
        .cta-buttons a:first-child:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
        }
        
        .cta-buttons a:last-child {
            border: 2px solid white;
            color: white;
        }
        
        .cta-buttons a:last-child:hover {
            background: white;
            color: var(--primary-color);
            transform: translateY(-2px);
        }

        /* --- Enhanced FAQ Section --- */
        .faq-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        
        .faq-item { 
            background: white; 
            border-radius: 16px; 
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            border: 2px solid #e5e7eb;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--primary-color);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.1);
        }
        
        .faq-item summary {
            padding: 25px 30px;
            font-size: 18px;
            font-weight: 700;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #111827;
            transition: all 0.3s ease;
        }
        
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        
        .faq-item summary::after {
            content: '+';
            font-size: 28px;
            color: var(--primary-color);
            transition: transform 0.3s ease;
        }
        
        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }
        
        .faq-item[open] summary {
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
        }
        
        .faq-content { 
            padding: 0 30px 30px;
        }
        
        .faq-content p {
            font-size: 15px;
            line-height: 1.8;
            color: #4b5563;
        }

        /* --- Enhanced Footer --- */
        .footer { 
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: #e2e8f0; 
            padding: 80px 0 0;
            position: relative;
        }
        
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 60px;
        }
        
        .footer-section h3 {
            font-size: 20px;
            margin-bottom: 25px;
            color: white;
            font-weight: 700;
            position: relative;
            padding-bottom: 15px;
        }
        
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--gradient-1);
            border-radius: 2px;
        }
        
        .footer-section p {
            line-height: 1.8;
            margin-bottom: 20px;
            opacity: 0.9;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 15px;
        }
        
        .footer-section ul li a {
            color: #cbd5e1;
            transition: all 0.3s ease;
            display: inline-block;
        }
        
        .footer-section ul li a:hover {
            color: var(--primary-color);
            transform: translateX(3px);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-link-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50px;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .social-link-item:hover {
            background: var(--gradient-1);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
        }
        
        .social-link-item img {
            width: 20px;
            height: 20px;
         /* filter: brightness(0) invert(1); 删除 */
        }
        
        .social-link-item span {
            color: white;
            font-size: 14px;
            font-weight: 600;
        }
        
        .copyright { 
            text-align: center; 
            padding: 30px 0; 
            background: rgba(0, 0, 0, 0.2);
            color: #94a3b8; 
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .copyright p {
            margin-bottom: 10px;
        }
        
        .copyright a {
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .copyright a:hover {
            text-decoration: underline;
        }

        /* --- Responsive Design --- */
        @media (max-width: 1200px) { 
            .cms-grid { grid-template-columns: repeat(4, 1fr); }
            .footer-content { grid-template-columns: repeat(2, 1fr); }
        }
        
        @media (max-width: 992px) {
            .batch-content { grid-template-columns: 1fr; }
            .ai-training-content { grid-template-columns: 1fr; }
            .preview-window { max-width: 500px; margin: 0 auto; }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .process-step::after { display: none; }
            .cta-banner { flex-direction: column; gap: 30px; text-align: center; }
            .faq-grid { grid-template-columns: 1fr; }
        }
        
        @media (max-width: 768px) { 
            .cms-grid { grid-template-columns: repeat(3, 1fr); }
            .banner h1 { font-size: 40px; }
            .banner p { font-size: 16px; }
            .banner-stats { grid-template-columns: 1fr; gap: 30px; }
            .section { padding: 60px 0; }
            .section-title { font-size: 32px; }
            .nav ul { gap: 20px; }
            .footer-content { grid-template-columns: 1fr; }
        }
        
        @media (max-width: 576px) { 
            .cms-grid { grid-template-columns: repeat(2, 1fr); }
            .grid-3, .grid-4, .grid-8 { grid-template-columns: 1fr; }
            .banner h1 { font-size: 32px; }
            .process-steps { grid-template-columns: 1fr; }
            .preview-grid { grid-template-columns: 1fr; }
        }