/* CSS Document 
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
*/
        :root {
            --primary-color: #1a1a2e;
            --accent-color: #e94560;
            --accent-light: #ff6b6b;
            --text-dark: #1a1a2e;
            --text-gray: #666;
            --text-light: #999;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --border-color: #eee;
            --gradient-primary: linear-gradient(135deg, #e94560 0%, #ff6b6b 100%);
            --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        }

        body {
           /* font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;*/
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;box-sizing: border-box;
        }

        /* Hero Section */
        .hero {
            background: var(--gradient-dark);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('../image/photo-1522335789203-aabd1fc54bc9.jpg') center/cover;
            opacity: 0.15;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 80px 0;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(233, 69, 96, 0.2);
            border: 1px solid var(--accent-color);
            color: var(--accent-light);
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 14px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: clamp(32px, 6vw, 56px);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 24px;
        }

        .hero h1 span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(16px, 2.5vw, 20px);
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.8;
        }
		 .hero-subtitle2 {
            font-size: clamp(16px, 1.8vw, 18px);
            color: rgba(255, 255, 255, .8);
            max-width: 600px;
            margin-top: 30px;
            line-height: 1.8;
        }

        .hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-feature {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            padding: 12px 20px;
            border-radius: 8px;
            font-size: 14px;
            backdrop-filter: blur(10px);
        }

        .hero-feature svg {
            width: 20px;
            height: 20px;
            color: var(--accent-light);
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            box-sizing: border-box;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 30px rgba(233, 69, 96, 0.5);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* Trust Badges */
        .trust-section {
            background: var(--bg-white);
            padding: 60px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .trust-content {
            text-align: center;
        }

        .trust-label {
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .trust-logos {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 40px;
        }

        .trust-logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            opacity: 0.7;
            transition: opacity 0.3s;
        }

        .trust-logo:hover {
            opacity: 1;
        }

        .trust-logo-icon {
            width: 60px;
            height: 60px;
            background: var(--bg-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .trust-logo span {
            font-size: 12px;
            color: var(--text-gray);
        }

        /* Section Common Styles */
        section {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(233, 69, 96, 0.1);
            color: var(--accent-color);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-gray);
            line-height: 1.8;
        }

        /* Pain Points Section */
        .pain-section {
            background: var(--bg-light);
        }

        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 992px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .pain-grid {
                grid-template-columns: 1fr;
            }
        }

        .pain-card {
            background: var(--bg-white);
            padding: 32px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
        }

        .pain-icon {
            width: 56px;
            height: 56px;
            background: rgba(233, 69, 96, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 24px;
        }

        .pain-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .pain-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* Solutions Section */
        .solutions-section {
            background: var(--bg-white);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 992px) {
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .solutions-grid {
                grid-template-columns: 1fr;
            }
        }

        .solution-card {
            position: relative;
            background: var(--gradient-dark);
            border-radius: 20px;
            padding: 40px;
            color: #fff;
            overflow: hidden;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.3) 0%, transparent 70%);
        }

        .solution-card .number {
            font-size: 72px;
            font-weight: 700;
            opacity: 0.1;
            position: absolute;
            top: 20px;
            right: 30px;
        }

        .solution-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
        }

        .solution-card p {
            font-size: 15px;
            opacity: 0.8;
            line-height: 1.8;
            position: relative;
        }

        .solution-features {
            margin-top: 24px;
            position: relative;
        }

        .solution-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
        }

        .solution-features li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: var(--accent-color);
            border-radius: 50%;
            font-size: 12px;
        }

        /* Features Section */
        .features-section {
            background: var(--bg-light);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-white);
            padding: 36px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            border-color: var(--accent-color);
            box-shadow: 0 8px 30px rgba(233, 69, 96, 0.1);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 24px;
            background: rgba(233, 69, 96, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .feature-card h3 {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* Cases Section */
        .cases-section {
            background: var(--bg-white);
        }

        .cases-highlight {
            background: var(--gradient-dark);
            border-radius: 24px;
            padding: 60px;
            color: #fff;
            text-align: center;
            margin-bottom: 48px;
            position: relative;
            overflow: hidden;
        }

        .cases-highlight::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.15) 0%, transparent 50%);
            animation: pulse 10s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }

        .cases-highlight h3 {
            font-size: clamp(24px, 4vw, 36px);
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
        }

        .cases-highlight p {
            font-size: 18px;
            opacity: 0.9;
            position: relative;
        }

        .case-logos {
            position: relative;
            margin-top: 0;
            height: auto;
            overflow: visible;
        }

        .case-banner-wrapper {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
        }

        .case-banner-slide {
            display: none;
            background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 20px;
            padding: 60px 80px;
            text-align: center;
        }

        .case-banner-slide.active {
            display: block;
            animation: zoomIn 0.5s ease forwards;
        }

        .case-banner-slide.flip-out {
            display: block;
            animation: zoomOut 0.5s ease forwards;
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
        }

        @keyframes zoomIn {
            from {
                transform: scale(0.8);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }

        @keyframes zoomOut {
            from {
                transform: scale(1);
                opacity: 1;
            }
            to {
                transform: scale(0.8);
                opacity: 0;
            }
        }

        .case-banner-logo {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: 4px;
            margin-bottom: 16px;
        }

        .case-banner-slogan {
            font-size: 18px;
            opacity: 0.8;
            margin-bottom: 32px;
        }

        .case-banner-highlights {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .case-banner-highlight {
            background: rgba(255,255,255,0.1);
            padding: 16px 28px;
            border-radius: 12px;
            font-size: 15px;
        }

        .case-banner-highlight strong {
            display: block;
            font-size: 24px;
            color: var(--accent-light);
            margin-bottom: 4px;
        }

        .case-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
        }

        .case-nav-btn:hover {
            background: var(--accent-color);
            border-color: var(--accent-color);
        }

        .case-nav-prev { left: 20px; }
        .case-nav-next { right: 20px; }

        @media (max-width: 768px) {
            .case-nav-prev { left: 10px; }
            .case-nav-next { right: 10px; }
            .case-banner-slide { padding: 40px 60px; }
            .case-banner-logo { font-size: 28px; }
            .case-nav-btn {
                width: 40px;
                height: 40px;
                font-size: 20px;
            }
        }

        .case-dots {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 24px;
            position: relative;
        }

        .case-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .case-dot.active {
            background: var(--accent-color);
            transform: scale(1.2);
        }

        .case-dot:hover {
            background: rgba(255, 255, 255, 0.6);
        }

        .case-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
        }

        .stat-card {
            background: var(--bg-light);
            padding: 36px;
            border-radius: 16px;
            text-align: center;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-gray);
        }

        /* Deployment Section */
        .deployment-section {
            background: var(--bg-light);
        }

        .deployment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 32px;
        }

        .deployment-card {
            background: var(--bg-white);
            border-radius: 20px;
            padding: 40px;
            border: 2px solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
        }

        .deployment-card.recommended {
            border-color: var(--accent-color);
        }

        .deployment-card.recommended::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--gradient-primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        .deployment-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
        }

        .deployment-icon {
            width: 64px;
            height: 64px;
            background: var(--bg-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
        }

        .deployment-card h3 {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .deployment-card .subtitle {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
        }

        .deployment-features {
            list-style: none;
            margin-bottom: 24px;
        }

        .deployment-features li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
            color: var(--text-gray);
        }

        .deployment-features li::before {
            content: '✓';
            color: var(--accent-color);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* FAQ Section */

        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 17px;
            font-weight: 500;
            color: var(--text-dark);
            transition: color 0.3s;
        }

        .faq-question:hover {
            color: var(--accent-color);
        }

        .faq-question svg {
            width: 24px;
            height: 24px;
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-item.active .faq-question svg {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 24px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-gray);
            line-height: 1.8;
            padding-left: 20px;
            border-left: 3px solid var(--accent-color);
        }

        /* CTA Section */
        .cta-section {
            background: var(--gradient-dark);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            /*background: url('https://images.unsplash.com/photo-1487017159836-4e23ece2e4cf?w=1920&q=80') center/cover;*/
			background: url('../image/photo-1487017159836-4e23ece2e4cf.jpg') center/cover;
            opacity: 0.1;
        }

        .cta-content {
            position: relative;
            text-align: center;
            color: #fff;
        }

        .cta-title {
            font-size: clamp(28px, 5vw, 44px);
            font-weight: 700;
            margin-bottom: 20px;
        }

        .cta-desc {
            font-size: 18px;
            opacity: 0.9;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Contact Section */
        .contact-section {
            background: var(--bg-light);
            padding: 80px 0;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 32px;
        }

        .contact-card {
            background: var(--bg-white);
            padding: 32px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .contact-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }

        .contact-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            background: rgba(233, 69, 96, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .contact-card h4 {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .contact-card p {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .contact-card a {
            color: var(--accent-color);
            text-decoration: none;
        }

        .contact-card a:hover {
            text-decoration: underline;
        }

        /* Footer */
        footer {
            background: var(--primary-color);
            color: rgba(255, 255, 255, 0.6);
            padding: 40px 0;
            text-align: center;
        }

        footer p {
            font-size: 14px;
        }

        /* Floating Contact Button */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
        }

        .floating-btn {
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            color: #fff;
            font-size: 24px;
        }

        .floating-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 30px rgba(233, 69, 96, 0.5);
        }

        /* Responsive */
        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 100px 0 60px;
            }

            .solutions-grid,
            .deployment-grid {
                grid-template-columns: 1fr;
            }

            .cases-highlight {
                padding: 40px 24px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .floating-contact {
                bottom: 70px;
                right: 20px;
            }

            .floating-btn {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate {
            animation: fadeInUp 0.6s ease forwards;
        }

        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }