.products-banner {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    overflow: hidden;
}

.products-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=modern%20floor%20coating%20products%20showcase%20with%20various%20colors%20and%20textures&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(42, 105, 67, 0.85) 0%, rgba(29, 76, 48, 0.9) 100%);
    z-index: 1;
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 60px 20px;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    animation: fadeInUp 0.6s ease-out;
}

.banner-subtitle {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 0.6s ease-out 0.2s forwards;
    opacity: 0;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    animation: fadeInUp 0.6s ease-out 0.4s forwards;
    opacity: 0;
}

.search-input {
    width: 100%;
    padding: 18px 60px 18px 24px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    outline: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.search-input:focus {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 15px rgba(42, 105, 67, 0.4);
}

.search-btn svg {
    width: 20px;
    height: 20px;
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    margin-top: 8px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.search-suggestions.active {
    display: block;
}

.suggestion-item {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--text-gray);
}

.suggestion-item:hover {
    background-color: var(--bg-light);
}

.suggestion-item:first-child {
    border-radius: 12px 12px 0 0;
}

.suggestion-item:last-child {
    border-radius: 0 0 12px 12px;
}

.products-main {
    padding: 60px 0;
    background-color: var(--bg-light);
}

.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
}

.filter-sidebar {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--bg-light);
}

.filter-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-black);
    margin: 0;
}

.filter-close {
    display: none;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.filter-close:hover {
    background: var(--primary-green);
    color: var(--white);
}

.selected-filters {
    margin-bottom: 24px;
    padding: 16px;
    background: linear-gradient(135deg, rgba(42, 105, 67, 0.05) 0%, rgba(42, 105, 67, 0.1) 100%);
    border-radius: 12px;
}

.selected-filters-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    font-weight: 500;
    color: var(--text-gray);
}

.clear-all-btn {
    border: none;
    background: none;
    color: var(--primary-green);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.clear-all-btn:hover {
    color: var(--dark-green);
}

.selected-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.selected-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--white);
    border-radius: 20px;
    font-size: 13px;
    color: var(--primary-green);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.selected-tag-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border: none;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    transition: all 0.2s ease;
}

.selected-tag-close:hover {
    background: var(--dark-green);
    transform: scale(1.1);
}

.filter-group {
    margin-bottom: 28px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 16px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.filter-option input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-green);
}

.filter-option span {
    font-size: 14px;
    color: var(--text-gray);
    transition: color 0.2s ease;
}

.filter-option:hover span {
    color: var(--primary-green);
}

.products-content {
    min-height: 400px;
}

.products-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.results-count {
    font-size: 15px;
    color: var(--text-gray);
}

.results-count strong {
    color: var(--primary-green);
    font-weight: 600;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.filter-toggle-btn {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 2px solid var(--border-gray);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.filter-toggle-btn:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.filter-toggle-btn svg {
    width: 18px;
    height: 18px;
}

.sort-select {
    padding: 10px 16px;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    background: var(--white);
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.sort-select:focus {
    border-color: var(--primary-green);
}

.sort-select:hover {
    border-color: var(--primary-green);
}

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

.product-item {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.product-image {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.product-item:hover .product-image img {
    transform: scale(1.08);
}

.product-system-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: var(--white);
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(42, 105, 67, 0.3);
}

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.feature-tag {
    padding: 4px 10px;
    background: var(--bg-light);
    color: var(--text-light-gray);
    font-size: 11px;
    border-radius: 4px;
}

.product-description {
    font-size: 13px;
    color: var(--text-light-gray);
    line-height: 1.5;
    margin-bottom: 16px;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.btn-detail,
.btn-quote {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    text-decoration: none;
}

.btn-detail {
    background: var(--bg-light);
    color: var(--text-gray);
}

.btn-detail:hover {
    background: var(--border-gray);
}

.btn-quote {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: var(--white);
}

.btn-quote:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(42, 105, 67, 0.3);
}

.load-more-section {
    text-align: center;
    margin-top: 40px;
}

.load-more-btn {
    padding: 14px 48px;
    border: 2px solid var(--primary-green);
    background: var(--white);
    color: var(--primary-green);
    font-size: 16px;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(42, 105, 67, 0.3);
}

.filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.filter-overlay.active {
    opacity: 1;
    visibility: visible;
}

.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-light) 0%, rgba(42, 105, 67, 0.05) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.contact-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 10px;
}

.contact-subtitle {
    font-size: 16px;
    color: var(--text-light-gray);
    margin-bottom: 30px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border-gray);
    border-radius: 10px;
    font-size: 15px;
    outline: none;
    transition: all 0.3s ease;
}

.form-input:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(42, 105, 67, 0.1);
}

.form-input.error {
    border-color: #ef4444;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-error {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #ef4444;
}

.submit-btn {
    padding: 16px 32px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 105, 67, 0.35);
}

.contact-info h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.info-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.info-icon svg {
    width: 24px;
    height: 24px;
}

.info-label {
    font-size: 14px;
    color: var(--text-light-gray);
    margin-bottom: 4px;
}

.info-value {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-black);
}

.wechat-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid var(--bg-light);
}

.wechat-section h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-black);
    margin-bottom: 8px;
}

.wechat-section p {
    font-size: 14px;
    color: var(--text-light-gray);
    margin-bottom: 20px;
}

.wechat-qrcode {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.wechat-qrcode:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.wechat-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qrcode-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.qrcode-modal.active {
    opacity: 1;
    visibility: visible;
}

.qrcode-modal-content {
    position: relative;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.qrcode-modal.active .qrcode-modal-content {
    transform: scale(1);
}

.qrcode-modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-light);
    border-radius: 50%;
    cursor: pointer;
    color: var(--text-gray);
    transition: all 0.3s ease;
}

.qrcode-modal-close:hover {
    background: var(--primary-green);
    color: var(--white);
}

.qrcode-modal-content img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 16px;
}

.qrcode-modal-content p {
    font-size: 16px;
    color: var(--text-gray);
    margin: 0;
}

@media (max-width: 992px) {
    .products-layout {
        grid-template-columns: 1fr;
    }

    .filter-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        z-index: 1000;
        border-radius: 0;
        overflow-y: auto;
        transition: left 0.3s ease;
    }

    .filter-sidebar.active {
        left: 0;
    }

    .filter-close {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .filter-toggle-btn {
        display: flex;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .banner-title {
        font-size: 36px;
    }

    .banner-subtitle {
        font-size: 16px;
    }

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

    .products-toolbar {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }

    .sort-select {
        flex: 1;
    }

    .contact-content {
        padding: 30px 20px;
    }

    .contact-title {
        font-size: 26px;
    }

    .wechat-qrcode {
        width: 160px;
        height: 160px;
    }

    .qrcode-modal-content img {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .filter-sidebar {
        width: 100%;
    }

    .banner-title {
        font-size: 28px;
    }

    .products-main {
        padding: 40px 0;
    }

    .contact-section {
        padding: 50px 0;
    }
}