/* Hero区域 */
.hero {
    padding: 100px 40px 80px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 50, 100, 0.2), rgba(0, 0, 0, 0));
}

.hero .tag {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 25px;
    font-size: 12px;
    color: #56f;
    margin-bottom: 25px;
    letter-spacing: 3px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #aaaaaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: #888;
    max-width: 600px;
    margin: 0 auto;
}

/* 统计数据 */
.stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px;
    margin: -40px 40px 60px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
}

.stat-item .number {
    font-size: 36px;
    font-weight: 700;
    color: #56f;
    margin-bottom: 5px;
}

.stat-item .label {
    font-size: 13px;
    color: #888;
}

/* 案例区域 */
.cases-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 80px;
}

.section-title {
    font-size: 14px;
    color: #56f;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #56f;
    border-radius: 50%;
}

/* 案例卡片 */
.case-card {
    display: flex;
    gap: 50px;
    padding: 50px;
    background: linear-gradient(135deg, rgba(20, 20, 35, 0.8), rgba(15, 15, 28, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    margin-bottom: 50px;
    transition: all 0.3s ease;
}

.case-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.case-card.reverse {
    flex-direction: row-reverse;
}

.case-card .visual {
    flex: 1;
    min-height: 300px;
    border-radius: 16px;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-card .visual .placeholder {
    color: #444;
    font-size: 14px;
}

.case-card .visual .play-btn {
    position: absolute;
    width: 70px;
    height: 70px;
    background: #56f;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-card .visual .play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px #56f;
}

.case-card .visual .play-btn svg {
    width: 24px;
    height: 24px;
    fill: #fff;
    margin-left: 4px;
}

.case-card .content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-card .client-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.case-card .client-logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: #fff;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-card .client-logo img {
    max-width: 100%;
    max-height: 100%;
}

.case-card .client-name {
    font-size: 14px;
    color: #888;
}

.case-card .project-name {
    font-size: 13px;
    color: #56f;
}

.case-card h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 20px;
    line-height: 1.4;
}

.case-card .description {
    font-size: 15px;
    color: #aaa;
    margin-bottom: 25px;
    line-height: 1.8;
}

.case-card .tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.case-card .tag {
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 20px;
    font-size: 12px;
    color: #56f;
}

.case-card .quote {
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid #56f;
    border-radius: 0 12px 12px 0;
}

.case-card .quote p {
    font-size: 14px;
    color: #ccc;
    font-style: italic;
    margin-bottom: 10px;
}

.case-card .quote .author {
    font-size: 12px;
    color: #888;
}

/* 更多客户Logo墙 */
.more-clients {
    padding: 60px 40px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 40px;
}

.more-clients .header {
    text-align: center;
    margin-bottom: 40px;
}

.more-clients .header h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 15px;
}

.more-clients .header p {
    font-size: 14px;
    color: #888;
}

.more-clients .logo-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.more-clients .logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.more-clients .logo-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.more-clients .logo-item .logo-container {
    width: 150px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    padding: 8px 12px;
}

.more-clients .logo-item .logo-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.more-clients .logo-item .client-name {
    color: #888;
}

.more-clients .logo-item .project-type {
    color: #56f;
    font-size: 12px;
}

/* 用户评价 */
.testimonials {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
}

.testimonials .section-header {
    text-align: center;
    margin-bottom: 50px;
}

.testimonials .section-header h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 15px;
}

.testimonials .section-header p {
    font-size: 15px;
    color: #888;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    padding: 30px;
    background: linear-gradient(135deg, rgba(20, 20, 35, 0.8), rgba(15, 15, 28, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.testimonial-card .quote-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: #56f;
}

.testimonial-card .content {
    font-size: 14px;
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 20px;
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-card .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #56f, #0066ff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
}

.testimonial-card .author-info .name {
    font-size: 14px;
    font-weight: 500;
}

.testimonial-card .author-info .role {
    font-size: 12px;
    color: #888;
}

/* CTA区域 */
.cta-section {
    padding: 80px 40px;
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 100, 150, 0.15), rgba(0, 50, 100, 0.1));
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.cta-section h2 {
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 16px;
    color: #888;
    margin-bottom: 30px;
}

.cta-section .buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.cta-section .btn {
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.cta-section .btn-primary {
    background: linear-gradient(135deg, #56f, #0066ff);
    color: #fff;
}

.cta-section .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.cta-section .btn-secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.cta-section .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 响应式 */
@media (max-width: 900px) {
    .case-card {
        flex-direction: column !important;
    }

    .testimonial-grid {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-wrap: wrap;
        gap: 30px;
    }
}

 /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        .modal-content {
            width: 90%;
            max-width: 900px;
            position: relative;
            transform: scale(0.8);
            transition: transform 0.4s ease;
        }
        
        .modal-overlay.active .modal-content {
            transform: scale(1);
        }
        
        .close-btn {
            position: absolute;
            top: -45px;
            right: 0;
            width: 40px;
            height: 40px;
            /* background: #e74c3c; */
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            cursor: pointer;
            /* transition: all 0.3s ease; */
            z-index: 10;
        }
        
        .close-btn:hover {
            background: #c0392b;
            /* transform: rotate(90deg); */
        }
        
        .video-container {
            position: relative;
            padding-top: 56.25%; /* 16:9 Aspect Ratio */
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
        }
        
        .video-player {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        
        .video-info-modal {
            margin-top: 20px;
            text-align: left;
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 12px;
        }
        
        .video-info-modal h3 {
            font-size: 1.8rem;
            margin-bottom: 10px;
            color: #3498db;
        }
        
        .video-info-modal p {
            line-height: 1.6;
            opacity: 0.9;
        }
        
        footer {
            margin-top: 40px;
            opacity: 0.7;
            font-size: 0.9rem;
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            
            .video-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 40px auto;
            }
            
            .modal-content {
                width: 95%;
            }
            
            .close-btn {
                top: -35px;
                width: 35px;
                height: 35px;
                font-size: 18px;
            }
        }