/* 히어로 섹션 */
    .products-hero {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a73e8 100%);
        color: white;
        padding: 100px 0 100px;
        position: relative;
        overflow: hidden;
        margin-bottom: 70px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .products-hero::before {
        content: '';
        position: absolute;
        top: -10%;
        right: -5%;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.1);
        animation: float 8s ease-in-out infinite;
    }
    
    .products-hero::after {
        content: '';
        position: absolute;
        bottom: -15%;
        left: -5%;
        width: 600px;
        height: 600px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        animation: float 10s ease-in-out infinite alternate;
    }
    
    @keyframes float {
        0% { transform: translateY(0px) rotate(0deg); }
        50% { transform: translateY(-25px) rotate(2deg); }
        100% { transform: translateY(0px) rotate(0deg); }
    }
    
    .hero-title {
        font-weight: 800;
        font-size: 3.5rem;
        margin-bottom: 1.8rem;
        text-shadow: 0 4px 12px rgba(0,0,0,0.15);
        letter-spacing: -0.5px;
    }
    
    .hero-subtitle {
        font-weight: 400;
        font-size: 1.35rem;
        margin-bottom: 2.5rem;
        opacity: 0.95;
        line-height: 1.7;
        text-shadow: 0 2px 6px rgba(0,0,0,0.1);
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* 통합 카테고리 필터 스타일 */
    .category-filter-container {
        margin-top: -35px;
        margin-bottom: 60px;
        position: relative;
        z-index: 10;
    }
    
    .category-filter {
        background-color: white;
        border-radius: 18px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 25px;
    }
    
    .category-level {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 15px;
    }
    
    .category-level:not(:last-child) {
        padding-bottom: 15px;
        border-bottom: 1px solid #e9ecef;
    }
    
    .category-level-title {
        width: 100%;
        font-weight: 700;
        color: #495057;
        margin-bottom: 10px;
        font-size: 0.95rem;
    }
    
    .category-item {
        display: inline-block;
        padding: 8px 16px;
        border-radius: 30px;
        font-size: 0.95rem;
        font-weight: 600;
        background-color: #f8f9fa;
        color: #495057;
        cursor: pointer;
        transition: all 0.3s ease;
        border: 1px solid transparent;
    }
    
    .category-item:hover {
        background-color: #e9ecef;
        transform: translateY(-2px);
    }
    
    .category-item.active {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a73e8 100%);
        color: white;
        box-shadow: 0 5px 15px rgba(0, 123, 255, 0.25);
    }
    
    .category-count {
        display: inline-block;
        margin-left: 5px;
        font-size: 0.8rem;
        opacity: 0.8;
    }
    
    .category-level[data-level="2"], 
    .category-level[data-level="3"] {
        display: none;
    }
    
    /* 제품/서비스 카드 */
    .product-card {
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        margin-bottom: 20px;
        transition: all 0.3s ease;
        border: 1px solid #e9ecef;
        height: 100%;
        background: white;
    }

    .product-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
        border-color: var(--primary-color);
    }

    .product-img {
        height: 180px;
        object-fit: contain;
        background-color: #f8f9fa;
        transition: all 0.3s ease;
    }

    .product-card:hover .product-img {
        transform: scale(1.05);
    }

    .product-body {
        padding: 16px;
    }

    .product-category {
        display: inline-block;
        background: var(--primary-color);
        color: white;
        padding: 3px 10px;
        border-radius: 4px;
        font-size: 0.7rem;
        margin-bottom: 10px;
        margin-right: 4px;
        font-weight: 600;
    }

    .product-title {
        font-weight: 700;
        font-size: 0.95rem;
        margin-bottom: 8px;
        color: #2c3e50;
        line-height: 1.3;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    .product-desc {
        color: #6c757d;
        margin-bottom: 12px;
        font-size: 0.8rem;
        line-height: 1.4;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    .product-features {
        margin-bottom: 12px;
        background-color: #f8f9fa;
        padding: 12px;
        border-radius: 8px;
    }

    .product-features h6 {
        font-size: 0.75rem;
        font-weight: 700;
        margin-bottom: 8px;
        color: #495057;
    }

    .feature-item {
        display: flex;
        align-items: center;
        margin-bottom: 6px;
        padding: 6px 8px;
        background: white;
        border-radius: 4px;
        transition: all 0.2s ease;
    }

    .feature-item:last-child {
        margin-bottom: 0;
    }

    .feature-item:hover {
        transform: translateX(4px);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    }

    .feature-icon {
        color: var(--primary-color);
        margin-right: 8px;
        font-size: 0.85rem;
    }

    .feature-text {
        font-size: 0.75rem;
        color: #495057;
        font-weight: 500;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .product-price {
        font-weight: 800;
        font-size: 1.1rem;
        color: var(--primary-color);
        margin-bottom: 12px;
        display: flex;
        align-items: baseline;
    }

    .price-period {
        font-size: 0.75rem;
        color: #6c757d;
        font-weight: 600;
        margin-left: 6px;
    }

    .product-footer {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid #e9ecef;
    }

    .btn-details {
        padding: 6px 16px;
        border-radius: 6px;
        font-weight: 600;
        font-size: 0.8rem;
        border: 1px solid var(--primary-color);
        color: var(--primary-color);
        background-color: transparent;
        transition: all 0.2s ease;
    }

    .btn-details:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
    }

    /* 상세 페이지 스타일 */
    .product-detail-section {
        padding: 60px 0;
        position: relative;
        z-index: 1;
    }

    .product-main-image {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        margin-bottom: 50px;
        width: 100%;
        height: 500px;
    }

    .product-main-image img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        background-color: #f8f9fa;
        padding: 30px;
        transition: transform 0.6s ease;
    }

    .product-main-image:hover img {
        transform: scale(1.05);
    }

    .product-info {
        background: white;
        border-radius: 24px;
        padding: 50px !important;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    }

    .product-description {
        line-height: 1.9;
        color: #2c3e50;
        font-size: 1.15rem;
    }

    .product-description img {
        border-radius: 12px;
        margin: 25px 0;
        box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a73e8 100%);
        border: none;
        padding: 6px 15px;
        font-weight: 700;
        border-radius: 0.375rem;
        transition: all 0.5s ease;
        font-size: 1.05rem;
        letter-spacing: 0.5px;
    }

    .btn-primary:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 25px rgba(0, 123, 255, 0.25);
    }

    .btn-outline-secondary {
        border: 2px solid #dee2e6;
        padding: 14px 35px;
        font-weight: 700;
        border-radius: 30px;
        transition: all 0.4s ease;
        font-size: 1.05rem;
        letter-spacing: 0.5px;
    }

    .btn-outline-secondary:hover {
        background-color: #f8f9fa;
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0,0,0,0.1);
    }

    /* 관련 제품 섹션 */
    .related-products {
        padding: 40px 0;
    }
    
    .related-products h3 {
        font-weight: 800;
        margin-bottom: 40px;
        position: relative;
        display: inline-block;
    }
    
    .related-products h3:after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        width: 80px;
        height: 4px;
        background: var(--primary-color);
        transform: translateX(-50%);
        border-radius: 2px;
    }

    /* CTA 섹션 */
    .cta-section {
        padding: 80px 0;
        background-color: #f8f9fa;
        position: relative;
        overflow: hidden;
    }
    
    .cta-card {
        background: white;
        border-radius: 24px;
        padding: 60px;
        text-align: center;
        box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        position: relative;
        z-index: 1;
    }
    
    .cta-section::before,
    .cta-section::after {
        content: '';
        position: absolute;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(var(--primary-color-rgb), 0.05);
        z-index: 0;
    }
    
    .cta-section::before {
        top: -150px;
        right: -100px;
    }
    
    .cta-section::after {
        bottom: -150px;
        left: -100px;
    }
    
    .cta-title {
        font-weight: 800;
        font-size: 2.5rem;
        margin-bottom: 25px;
        color: #2c3e50;
    }
    
    .cta-desc {
        font-size: 1.2rem;
        line-height: 1.8;
        color: #6c757d;
        margin-bottom: 40px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .btn-cta {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a73e8 100%);
        color: white;
        padding: 15px 40px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 1.1rem;
        transition: all 0.4s ease;
        display: inline-block;
        border: none;
    }
    
    .btn-cta:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 30px rgba(0, 123, 255, 0.25);
        color: white;
    }

    /* 제품/서비스 요청 섹션 */
    .product-request-section {
        padding: 100px 0;
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        position: relative;
    }
    
    .request-title {
        font-weight: 800;
        font-size: 2.2rem;
        margin-bottom: 25px;
        color: #2c3e50;
        text-align: center;
    }
    
    .request-desc {
        font-size: 1.15rem;
        line-height: 1.8;
        color: #6c757d;
        margin-bottom: 40px;
        text-align: center;
    }
    
    .btn-request {
        background-color: white;
        color: var(--primary-color);
        border: 2px solid var(--primary-color);
        padding: 14px 35px;
        border-radius: 50px;
        font-weight: 700;
        font-size: 1.05rem;
        transition: all 0.4s ease;
        display: block;
        max-width: 350px;
        margin: 0 auto;
        text-align: center;
    }
    
    .btn-request:hover {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a73e8 100%);
        color: white;
        transform: translateY(-5px);
        box-shadow: 0 12px 30px rgba(0, 123, 255, 0.2);
    }

    /* 프로젝트 의뢰 목록 */
    .project-request-list {
        padding: 60px 0;
    }
    
    .project-request-list .table {
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    }
    
    .project-request-list .table-light th {
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        border-bottom: 2px solid #e9ecef;
        font-weight: 700;
        color: #495057;
        padding: 15px;
    }
    
    .project-request-list .table td {
        padding: 18px 15px;
        vertical-align: middle;
    }
    
    .project-request-list .badge {
        padding: 8px 12px;
        border-radius: 30px;
        font-weight: 600;
    }
    
    .project-request-list .alert-info {
        background-color: #e3f2fd;
        border-color: #bee5eb;
        color: #0c5460;
        border-radius: 12px;
        padding: 20px;
    }

    /* 섹션 타이틀 */
    .section-title {
        font-weight: 800;
        font-size: 2rem;
        margin-bottom: 50px;
        text-align: center;
        position: relative;
        color: #2c3e50;
    }
    
    .section-title:after {
        content: '';
        position: absolute;
        bottom: -15px;
        left: 50%;
        width: 80px;
        height: 4px;
        background: var(--primary-color);
        transform: translateX(-50%);
        border-radius: 2px;
    }

    /* 반응형 조정 */
    @media (max-width: 991px) {
        .products-hero {
            padding: 80px 0 100px;
        }

        .hero-title {
            font-size: 2.5rem;
        }

        .hero-subtitle {
            font-size: 1.1rem;
        }

        .category-filter-container {
            margin-top: -30px;
        }

        .category-filter {
            padding: 18px;
        }

        .product-main-image {
            height: 350px;
        }

        .product-info {
            padding: 30px !important;
        }

        .cta-card {
            padding: 40px;
        }

        .cta-title {
            font-size: 2rem;
        }
    }

    @media (max-width: 768px) {
        .products-hero {
            padding: 60px 0 80px;
        }

        .hero-title {
            font-size: 2rem;
        }

        .hero-subtitle {
            font-size: 1rem;
        }

        .category-filter-container {
            margin-top: -25px;
            margin-bottom: 30px;
        }

        .category-item {
            padding: 5px 10px;
            font-size: 0.8rem;
        }

        .product-body {
            padding: 14px;
        }

        .product-title {
            font-size: 0.9rem;
        }

        .product-desc {
            font-size: 0.75rem;
        }

        .product-price {
            font-size: 1rem;
        }

        .product-features {
            padding: 10px;
        }

        .feature-item {
            padding: 5px 6px;
        }

        .feature-text {
            font-size: 0.7rem;
        }

        .section-title {
            font-size: 1.8rem;
        }

        .cta-title {
            font-size: 1.8rem;
        }

        .request-title {
            font-size: 1.6rem;
        }
    }

    @media (max-width: 576px) {
        .products-hero {
            padding: 50px 0 70px;
        }

        .hero-title {
            font-size: 1.8rem;
        }

        .product-main-image {
            height: 300px;
        }

        .product-category {
            padding: 3px 8px;
            font-size: 0.65rem;
        }

        .product-img {
            height: 160px;
        }

        .btn-details {
            padding: 5px 12px;
            font-size: 0.75rem;
        }

        .btn-primary, .btn-outline-secondary, .btn-cta, .btn-request {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        .cta-card {
            padding: 25px 16px;
        }

        .cta-title {
            font-size: 1.5rem;
        }

        .cta-desc {
            font-size: 0.9rem;
        }
    }

    .additional-info-section {
        margin-top: 40px;
        padding-top: 30px;
        border-top: 2px solid #f8f9fa;
    }

    .info-card {
        background: #f8f9fa;
        border-radius: 15px;
        padding: 25px;
        margin-bottom: 20px;
        border-left: 4px solid var(--primary-color);
        transition: all 0.3s ease;
    }

    .info-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .info-card-title {
        font-weight: 700;
        font-size: 1.1rem;
        color: #2c3e50;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
    }

    .info-card-title i {
        color: var(--primary-color);
        margin-right: 10px;
        font-size: 1.2rem;
    }

    .info-card-content {
        color: #495057;
        font-size: 0.95rem;
        line-height: 1.6;
    }

    .info-card-content h6 {
        font-weight: 600;
        color: #2c3e50;
        margin-top: 15px;
        margin-bottom: 8px;
    }

    .info-card-content ul {
        margin-bottom: 0;
        padding-left: 20px;
    }

    .info-card-content li {
        margin-bottom: 5px;
    }

    .delivery-period {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1a73e8 100%);
        color: white;
        border-left: none;
    }

    .delivery-period .info-card-title {
        color: white;
    }

    .delivery-period .info-card-title i {
        color: rgba(255,255,255,0.9);
    }

    .delivery-period .info-card-content {
        color: rgba(255,255,255,0.95);
    }