/* Modal Styles from original file */
    .chem_modal_overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 9999;
        backdrop-filter: blur(2px);
    }

    .chem_modal_box {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 90%;
        max-width: 900px;
        max-height: 90vh;
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .chem_modal_header {
        padding: 15px 20px;
        border-bottom: none;
        /* Remove border */
        display: flex;
        justify-content: flex-end;
        /* Align Close button right */
        align-items: center;
        background: #fff;
        /* Match body background */
    }

    .chem_modal_title {
        display: none !important;
        /* Hide Title */
    }

    .chem_modal_close {
        background: none;
        border: none;
        font-size: 24px;
        cursor: pointer;
        color: #999;
        line-height: 1;
    }

    .chem_modal_close:hover {
        color: #333;
    }

    .chem_modal_body {
        flex: 1;
        overflow-y: auto;
        padding: 0;
        min-height: 300px;
        position: relative;
    }

    .chem_loader {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        border: 4px solid #f3f3f3;
        border-top: 4px solid #3498db;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        animation: spin 1s linear infinite;
        display: none;
    }

    @keyframes spin {
        0% {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        100% {
            transform: translate(-50%, -50%) rotate(360deg);
        }
    }

    /* =========================================
       Modal Content Styling (High Readability)
       ========================================= */
    .chem_modal_body #bo_v {
        width: 100% !important;
        padding: 30px !important;
        box-shadow: none !important;
        border: none !important;
    }

    /* Hide unnecessary view page elements within modal */
    .chem_modal_body #bo_v #bo_v_top,
    .chem_modal_body #bo_v #bo_v_bot,
    .chem_modal_body #bo_v .bo_v_nb,
    .chem_modal_body #bo_v .bo_v_com {
        display: none !important;
    }

    /* Increase Text Size */
    .chem_modal_body #bo_v {
        font-size: 16px !important;
        /* Larger text */
        line-height: 1.6;
    }

    /* Table Styling inside Modal */
    .chem_modal_body #bo_v table th,
    .chem_modal_body #bo_v table td {
        font-size: 16px !important;
        padding: 15px 20px !important;
        /* More spacing */
    }

    .chem_modal_body #bo_v .tbl_wrap {
        margin-bottom: 0 !important;
    }
    /* Category Card Active State */
    .category-card {
        cursor: pointer;
        border: 2px solid transparent;
    }

    .category-card.active {
        border-color: var(--primaryColor);
        background-color: rgba(255, 94, 20, 0.05);
    }

    .category-card.active .category-icon {
        background-color: var(--primaryColor) !important;
    }

    .category-card.active .category-icon img {
        filter: brightness(0) invert(1);
    }

    /* Main Category Button Active State */
    .btn.style-three.active {
        background-color: var(--primaryColor);
        color: #fff;
        border-color: transparent !important;
        /* Force Remove Border */
    }

    /* Sub Category Button with Icon */
    .sub-cate-btn {
        display: inline-flex !important;
        align-items: center;
        gap: 8px;
        padding: 8px 16px !important;
    }

    .sub-cate-btn .sub-icon {
        width: 24px;
        height: 24px;
        flex-shrink: 0;
    }

    /* Autocomplete Styling */
    .ui-autocomplete {
        z-index: 1000 !important;
        max-height: 300px;
        overflow-y: auto;
        overflow-x: hidden;
        border: 1px solid #eee;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 5px 0;
        background-color: #fff;
    }

    .ui-menu-item {
        padding: 0;
        margin: 0;
    }

    .ui-menu-item .ui-menu-item-wrapper {
        display: block;
        padding: 10px 15px;
        font-size: 14px;
        color: #333;
        border-bottom: 1px solid #f8f8f8;
        transition: all 0.2s;
    }

    .ui-menu-item:last-child .ui-menu-item-wrapper {
        border-bottom: 0;
    }

    .ui-menu-item .ui-menu-item-wrapper:hover,
    .ui-menu-item .ui-menu-item-wrapper.ui-state-active {
        background-color: #FFFBF3;
        color: var(--primaryColor);
        font-weight: 500;
        border: none;
        margin: 0;
    }

    /* --- View Mode & Modern Filter Styles --- */
    .filter-box-modern {
        background-color: #fff;
        border: 1px solid #eee;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.03);
    }

    .search-icon-input {
        padding-left: 45px !important;
        height: 48px;
        border-radius: 5px;
        border: 1px solid #e5e5e5;
        font-size: 14px;
        transition: all 0.3s;
    }

    .search-icon-input:focus {
        border-color: var(--primaryColor);
        box-shadow: 0 0 0 3px rgba(255, 94, 20, 0.1);
    }

    .view-mode-btn {
        width: 42px;
        height: 42px;
        border: 1px solid #e5e5e5;
        background: #fff;
        border-radius: 5px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #999;
        cursor: pointer;
        transition: all 0.2s;
    }

    .view-mode-btn:hover,
    .view-mode-btn.active {
        background: var(--primaryColor);
        color: #fff;
        border-color: var(--primaryColor);
    }

    /* --- Custom List View Layout (Reference Image Style) --- */

    /* --- Unified Card Design (Grid & List) --- */

    /* 1. Global Card Styles & Grid Defaults */
    .product-info-card {
        background-color: #1E1E1E;
        /* Dark Theme */
        color: #fff;
        border: none;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        transition: transform 0.3s, box-shadow 0.3s;

        position: relative;
        border-radius: 20px;
        /* Round Corners */
        overflow: hidden;
        /* Changed to hidden to clip the banner if needed, but 'visible' is better for shadows often. Let's keep visible for now unless it breaks. Using visible for cutout. */
        overflow: visible;

        /* GRID DEFAULT: Standard Padding */
        padding: 40px;

        height: 100%;
        display: flex;
        flex-direction: column;
    }

    /* Remove Focus Outline from All Buttons */
    .btn:focus,
    .btn:active,
    .btn:focus-visible,
    .main-cate-btn:focus,
    .view-mode-btn:focus,
    .sub-cate-btn:focus {
        outline: none !important;
        box-shadow: none !important;
        border-color: transparent !important;
    }

    /* Force Remove Borders for Active/Style Buttons */
    .main-cate-btn,
    .main-cate-btn.active,
    .btn.style-one,
    .btn.style-neutral {
        border: none !important;
        outline: none !important;
        box-shadow: none !important;
    }

    .product-info-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    }

    /* 2. The "Cutout" Effect - Default (GRID: Top-Right) */
    .product-info-card::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: auto;
        left: auto;
        width: 150px;
        /* Significantly Reduced Width */
        height: 50px;
        /* Reduced Height */
        background: #fff;

        /* Grid Curve */
        border-bottom-left-radius: 20px;
        border-top-right-radius: 5px;
        border-top-left-radius: 0;
        border-bottom-right-radius: 0;

        z-index: 2;
        pointer-events: none;
    }

    /* 3. Category Text - Default (GRID: Top-Right) */
    .list-category-tab {
        position: absolute;
        top: 0;
        right: 0;
        z-index: 10;
        color: #000;
        font-size: 15px;
        /* Smaller Font */
        font-weight: 800;
        font-family: 'Pretendard', sans-serif;
        letter-spacing: -0.5px;

        /* Flex Center within Cutout */
        width: 150px;
        /* Match Cutout */
        height: 50px;
        /* Match Cutout */
        display: flex;
        align-items: center;
        justify-content: center;

        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .list-category-tab i {
        display: none;
    }

    /* 4. Product Name Area - Default (GRID) */
    .product-name-area {
        position: relative;
        z-index: 5;
        /* Grid Layout: Line + Separation */
        margin-bottom: 0px;
        padding-bottom: 0px;

        /* Space for Cutout on right */
        padding-right: 130px;
        /* Reduced spacing */
    }

    .product-name-area h4 a {
        color: #fff !important;
        text-decoration: none;
        font-size: 24px;
        /* Larger Title */
        font-weight: 700;
        transition: color 0.2s;
        display: block;
        line-height: 1.3;
    }

    /* 5. Details Area - Default (GRID) */
    .product-detail-area {
        flex-grow: 1;
    }

    .product-detail-area p {
        margin: 0;
        color: rgba(255, 255, 255, 0.85) !important;
        font-size: 15px;
        display: flex;
        align-items: center;
        margin-bottom: 6px;
    }

    .product-detail-area strong {
        color: rgba(255, 255, 255, 0.4) !important;
        margin-right: 8px;
        font-weight: 500;
        min-width: 60px;
        /* Align labels slightly */
    }

    /* ------------------------------------------------------------------ */
    /* 6. List View Overrides (The "Row" Layout) */
    /* ------------------------------------------------------------------ */

    /* Only apply List View Layout on Desktop */
    @media (min-width: 992px) {
        .product-list-container.view-list .col-xl-4 {
            width: 100% !important;
            flex: 0 0 100% !important;
            max-width: 100% !important;
        }

        .product-list-container.view-list .product-info-card {
            flex-direction: row;
            align-items: flex-start;
            /* List Layout Padding */
            padding: 40px 50px 20px 40px !important;
            margin-bottom: 25px;
            gap: 40px;
        }

        /* List View: Cutout moves to Bottom-Left */
        .product-list-container.view-list .product-info-card::after {
            top: auto;
            right: auto;
            bottom: 0;
            left: 0;
            width: 200px;
            height: 60px;

            border-top-right-radius: 50px;
            border-bottom-left-radius: 5px;
            border-bottom-right-radius: 0;
            border-top-left-radius: 0;
            border-top-right-radius: 50px;
        }

        /* List View: Category moves to Bottom-Left */
        .product-list-container.view-list .list-category-tab {
            top: auto;
            right: auto;
            bottom: 0px;
            left: 0px;

            width: 200px;
            height: 60px;

            /* Override Center Alignment */
            justify-content: flex-start;
            padding-left: 30px;
        }

        /* List View: Name Area Reset */
        .product-list-container.view-list .product-name-area {
            padding-right: 0;
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
            flex: 0 0 25%;
            min-width: 200px;
        }

        /* List View: Details Layout */
        .product-list-container.view-list .product-detail-area {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 40px;
            border-left: 1px solid rgba(255, 255, 255, 0.15);
            padding-left: 40px;
        }
    }

    .grid-badges {
        display: none;
    }

    /* Grid View Specific Details Adjustment */
    .product-list-container:not(.view-list) .product-detail-area {
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .grid-badges {
        display: none;
        /* Hide old badges */
    }

    /* 7. Responsive Styles */


    /* =========================================
       Filter Box Visual Enhancement
       ========================================= */
    .filter-box-modern {
        background-color: #fff;
        border: 1px solid #e5e5e5;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    /* Search Input Enhancement */
    .search-icon-input {
        border: 1px solid #ddd !important;
        border-radius: 6px;
        padding: 0 15px 0 40px !important;
        /* Left padding for icon */
        height: 48px;
        transition: border-color 0.2s;
    }

    .search-icon-input:focus {
        border-color: #FF5E14 !important;
    }

    @media (max-width: 768px) {
        .filter-box-modern .row>div {
            width: 100%;
        }

        .filter-box-modern .d-flex {
            justify-content: space-between;
        }
    }

    /* Style Neutral Background (Light Gray) */
    .main-cate-btn.style-neutral {
        background-color: #f5f5f5 !important;
        color: #333;
        border: 1px solid #000 !important;
    }

    /* New Button Class: Outline Orange (White BG, Orange Border) */
    .btn-style-outline {
        background-color: #fff !important;
        border: 1px solid var(--primary-color, #fd7e14) !important;
        color: var(--primary-color, #fd7e14) !important;
        padding: 12px 30px;
        border-radius: 50px;
        font-weight: 600;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        height: 48px;
        /* Match other buttons */
    }

    .btn-style-outline:hover {
        background-color: var(--primary-color, #fd7e14) !important;
        color: #fff !important;
    }

    /* Sub Category (Icon Box) styling - Inactive Dashed */
    .sub-cate-btn:not(.active) {
        border: 1px dashed #ffd8a8 !important;
        /* Light Orange Dashed */
        background-color: #fff;
    }

    /* Black Button Style (Write Button) */
    .main-cate-btn.style-black {
        background-color: transparent !important;
        border: none !important;
    }

    .main-cate-btn.style-black .btn-text,
    .main-cate-btn.style-black .btn-icon {
        background-color: #000 !important;
        color: #fff !important;
        border: 1px solid #000 !important;
        /* Ensure shape definition */
    }

    /* Override Hover Effects to keep Black */
    .main-cate-btn.style-black:hover .btn-text,
    .main-cate-btn.style-black:hover .btn-icon,
    .main-cate-btn.style-black.active .btn-text,
    .main-cate-btn.style-black.active .btn-icon {
        background-color: #000 !important;
        color: #fff !important;
    }

    /* Mobile Main Category Layout: One Line with Scroll */
    @media (max-width: 991px) {
        .main-cate-wrapper {
            flex-wrap: nowrap !important;
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 5px;
            justify-content: flex-start;
        }

        .main-cate-wrapper::-webkit-scrollbar {
            height: 0px;
            background: transparent;
        }

        /* Compact Button Styling for Mobile */
        .main-cate-btn {
            flex-wrap: nowrap !important;
            /* Prevent internal wrapping */
            gap: 4px !important;
            /* Reduce gap */
        }

        .main-cate-btn .btn-text {
            font-size: 13px !important;
            padding: 6px 12px !important;
            /* Compact pill */
        }

        .main-cate-btn .btn-icon {
            width: 32px !important;
            height: 32px !important;
        }

        .main-cate-btn .btn-icon i {
            font-size: 14px !important;
        }
    }

    /* =========================================
         기본 아이콘 스타일 (Base Style)
         ========================================= */
    .icon-industry {
        display: inline-block;
        width: 100px;
        height: 100px;
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
    }

    /* =========================================
       Refined 2nd Category Grid Styles
       (Matches Reference Image 2: Grid of Cards)
       ========================================= */

    /* Force Grid Layout on the JS-generated container */
    #sub_category_grid .d-flex {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
        /* auto-fit aligns to edges */
        gap: 15px !important;
        width: 100% !important;
        /* Ensure full width */
    }

    /* Card Button Style */
    #sub_category_grid .sub-cate-btn {
        display: flex !important;
        flex-direction: column !important;
        align-items: center;
        justify-content: center;

        width: 100% !important;
        height: 130px;
        /* Square-ish Aspect Ratio */
        padding: 0 !important;
        margin: 0 !important;

        background-color: #fff;
        border: 1px solid #e5e5e5;
        border-radius: 16px;
        /* Smooth rounded corners */
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);

        color: #333 !important;
        font-size: 14px !important;
        font-weight: 600;

        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    /* Hover Effect */
    #sub_category_grid .sub-cate-btn:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        border-color: #FF5E14;
        color: #FF5E14 !important;
    }

    /* Large Icon Size */
    #sub_category_grid .sub-cate-btn .icon-industry {
        width: 50px;
        height: 50px;
        margin-right: 0;
        margin-bottom: 12px;
        transition: filter 0.2s;
    }

    /* Active State: Orange Card */
    #sub_category_grid .sub-cate-btn.active {
        background-color: #FF5E14 !important;
        border-color: #FF5E14 !important;
        color: #fff !important;
        box-shadow: 0 8px 20px rgba(255, 94, 20, 0.3);
    }

    #sub_category_grid .sub-cate-btn.active .icon-industry {
        filter: brightness(0) invert(1);
    }

    /* =========================================
         기존 산업 아이콘 (Original Industry Icons)
         Point Color: #FF5E14
         ========================================= */

    /* PCB (인쇄회로기판) */
    .icon-pcb {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='10' y='10' width='80' height='80' rx='8' stroke='%23FF5E14' stroke-width='4' /%3E%3Ccircle cx='25' cy='25' r='4' fill='%23FF5E14' /%3E%3Ccircle cx='75' cy='75' r='4' fill='%23FF5E14' /%3E%3Ccircle cx='25' cy='75' r='4' fill='%23FF5E14' /%3E%3Ccircle cx='75' cy='25' r='4' fill='%23FF5E14' /%3E%3Cpath d='M25 25L40 40H60L75 25' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Cpath d='M25 75L40 60H60L75 75' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Cpath d='M50 10V35' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M50 65V90' stroke='%23FF5E14' stroke-width='3' /%3E%3Crect x='40' y='40' width='20' height='20' fill='%23FF5E14' rx='2' /%3E%3C/svg%3E");
    }

    /* 알루미늄 (Aluminum) */
    .icon-aluminum {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M15 40L40 25L90 25L65 40H15Z' stroke='%23FF5E14' stroke-width='4' stroke-linejoin='round' /%3E%3Cpath d='M15 40V70L65 70V40' stroke='%23FF5E14' stroke-width='4' stroke-linejoin='round' /%3E%3Cpath d='M65 70L90 55V25' stroke='%23FF5E14' stroke-width='4' stroke-linejoin='round' /%3E%3Cpath d='M10 60L35 45L85 45L60 60H10Z' fill='%23FF5E14' fill-opacity='0.1' stroke='%23FF5E14' stroke-width='2' stroke-dasharray='4 4'/%3E%3C/svg%3E");
    }

    /* 연마재 (Abrasive) */
    .icon-abrasive {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='40' stroke='%23FF5E14' stroke-width='4' /%3E%3Ccircle cx='50' cy='50' r='10' fill='%23FF5E14' /%3E%3Cpath d='M50 10L50 25' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M50 75L50 90' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M10 50L25 50' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M75 50L90 50' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M22 22L32 32' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M68 68L78 78' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M78 22L68 32' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M32 68L22 78' stroke='%23FF5E14' stroke-width='2' /%3E%3C/svg%3E");
    }

    /* 용접봉 (Welding) */
    .icon-welding {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 80L45 55' stroke='%23FF5E14' stroke-width='6' stroke-linecap='round' /%3E%3Cpath d='M40 60L30 50L45 35L55 45L40 60Z' fill='%23FF5E14' /%3E%3Cpath d='M55 45L80 20' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M85 15L95 5' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M90 25L98 22' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M75 10L78 2' stroke='%23FF5E14' stroke-width='2' /%3E%3C/svg%3E");
    }

    /* 자동차부품 (Auto Parts) */
    .icon-autoparts {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 20V10M50 90V80M20 50H10M90 50H80M29 29L22 22M78 78L71 71M29 71L22 78M78 22L71 29' stroke='%23FF5E14' stroke-width='4' stroke-linecap='round' /%3E%3Ccircle cx='50' cy='50' r='25' stroke='%23FF5E14' stroke-width='4' /%3E%3Ccircle cx='50' cy='50' r='10' fill='%23FF5E14' /%3E%3C/svg%3E");
    }

    /* 전자 (Electronics) */
    .icon-electronics {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='25' y='25' width='50' height='50' rx='4' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M25 35H15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M25 50H15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M25 65H15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M75 35H85' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M75 50H85' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M75 65H85' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M35 25V15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M50 25V15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M65 25V15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M35 75V85' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M50 75V85' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M65 75V85' stroke='%23FF5E14' stroke-width='3' /%3E%3Crect x='40' y='40' width='20' height='20' fill='%23FF5E14' /%3E%3C/svg%3E");
    }

    /* 접착제 (Adhesive) */
    .icon-adhesive {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 90C65 90 75 75 75 60C75 40 50 15 50 15C50 15 25 40 25 60C25 75 35 90 50 90Z' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M55 55C55 55 60 65 50 65' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Cpath d='M30 10L70 10L60 25H40L30 10Z' fill='%23FF5E14' /%3E%3C/svg%3E");
    }

    /* 철강 (Steel) */
    .icon-steel {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='20' y='20' width='60' height='15' fill='%23FF5E14' /%3E%3Crect x='20' y='65' width='60' height='15' fill='%23FF5E14' /%3E%3Crect x='42.5' y='35' width='15' height='30' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M20 20H80' stroke='%23FF5E14' stroke-width='2' /%3E%3Cpath d='M20 80H80' stroke='%23FF5E14' stroke-width='2' /%3E%3C/svg%3E");
    }

    /* 페인트 (Paint) */
    .icon-paint {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='20' y='20' width='50' height='30' rx='4' fill='%23FF5E14' /%3E%3Cpath d='M70 35H80V60C80 70 70 80 60 80H50' stroke='%23FF5E14' stroke-width='6' stroke-linecap='round' /%3E%3Cpath d='M40 80V90' stroke='%23FF5E14' stroke-width='6' stroke-linecap='round' /%3E%3Cpath d='M15 35H20' stroke='%23FF5E14' stroke-width='4' /%3E%3C/svg%3E");
    }

    /* =========================================
         신규 추가 아이콘 (Newly Added Icons)
         ========================================= */

    /* 광물 (Minerals) - Updated: Rock/Gemstone */
    .icon-minerals {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 65L45 35L75 25L90 55L75 85L35 90L30 65Z' stroke='%23FF5E14' stroke-width='4' stroke-linejoin='round' /%3E%3Cpath d='M45 35L60 55L90 55' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M60 55L75 85' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M60 55L35 90' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M15 45L25 25L40 25' stroke='%23FF5E14' stroke-width='3' /%3E%3C/svg%3E");
    }

    /* 모노머 (Monomer) - Single Chemical Unit */
    .icon-monomer {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='25' stroke='%23FF5E14' stroke-width='4' /%3E%3Ccircle cx='50' cy='50' r='10' fill='%23FF5E14' /%3E%3Cpath d='M75 50H90' stroke='%23FF5E14' stroke-width='4' stroke-linecap='round' /%3E%3Cpath d='M10 50H25' stroke='%23FF5E14' stroke-width='4' stroke-linecap='round' /%3E%3Cpath d='M50 25V10' stroke='%23FF5E14' stroke-width='4' stroke-linecap='round' /%3E%3C/svg%3E");
    }

    /* 무기화학 (Inorganic Chemistry) - Updated: Atom Model */
    .icon-inorganic {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='50' r='8' fill='%23FF5E14' /%3E%3Cellipse cx='50' cy='50' rx='42' ry='14' stroke='%23FF5E14' stroke-width='3' transform='rotate(0 50 50)' /%3E%3Cellipse cx='50' cy='50' rx='42' ry='14' stroke='%23FF5E14' stroke-width='3' transform='rotate(60 50 50)' /%3E%3Cellipse cx='50' cy='50' rx='42' ry='14' stroke='%23FF5E14' stroke-width='3' transform='rotate(120 50 50)' /%3E%3C/svg%3E");
    }

    /* 비료 (Fertilizers) - Sack with Plant */
    .icon-fertilizer {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M25 30H75L80 85H20L25 30Z' stroke='%23FF5E14' stroke-width='4' stroke-linejoin='round' /%3E%3Cpath d='M50 30V15' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M50 15L35 5' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Cpath d='M50 15L65 5' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Ccircle cx='40' cy='55' r='3' fill='%23FF5E14' /%3E%3Ccircle cx='50' cy='65' r='3' fill='%23FF5E14' /%3E%3Ccircle cx='60' cy='55' r='3' fill='%23FF5E14' /%3E%3C/svg%3E");
    }

    /* 스테인리스 (Stainless) - Metal Roll */
    .icon-stainless {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 30C30 18.9543 38.9543 10 50 10C61.0457 10 70 18.9543 70 30V70C70 81.0457 61.0457 90 50 90C38.9543 90 30 81.0457 30 70V30Z' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M30 30C30 41.0457 38.9543 50 50 50C61.0457 50 70 41.0457 70 30' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M25 50L15 40' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M85 60L75 50' stroke='%23FF5E14' stroke-width='3' /%3E%3C/svg%3E");
    }

    /* 아민류 (Amines) - Updated: Molecular Geometry */
    .icon-amines {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='50' cy='45' r='14' stroke='%23FF5E14' stroke-width='4' /%3E%3Ccircle cx='50' cy='45' r='6' fill='%23FF5E14' /%3E%3Ccircle cx='25' cy='75' r='8' stroke='%23FF5E14' stroke-width='3' /%3E%3Ccircle cx='75' cy='75' r='8' stroke='%23FF5E14' stroke-width='3' /%3E%3Cline x1='50' y1='45' x2='25' y2='75' stroke='%23FF5E14' stroke-width='3' /%3E%3Cline x1='50' y1='45' x2='75' y2='75' stroke='%23FF5E14' stroke-width='3' /%3E%3Cline x1='50' y1='45' x2='50' y2='15' stroke='%23FF5E14' stroke-width='3' stroke-dasharray='4 4' /%3E%3C/svg%3E");
    }

    /* 용제 (Solvents) - Droplet & Liquid */
    .icon-solvents {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 10C50 10 30 40 30 55C30 66.0457 38.9543 75 50 75C61.0457 75 70 66.0457 70 55C70 40 50 10 50 10Z' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M15 85H85' stroke='%23FF5E14' stroke-width='4' stroke-linecap='round' /%3E%3Cpath d='M25 85C25 85 30 80 40 80C50 80 50 85 60 85C70 85 70 80 80 80' stroke='%23FF5E14' stroke-width='2' /%3E%3C/svg%3E");
    }

    /* 특수화학품 (Specialty Chemicals) - Updated: Dropper Bottle + Star */
    .icon-specialty {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 20V10' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M35 30L50 15L65 30' stroke='%23FF5E14' stroke-width='4' stroke-linejoin='round' /%3E%3Cpath d='M35 30V55C35 75 40 85 50 90C60 85 65 75 65 55V30' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M42 60L50 68L58 60' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Cpath d='M50 45V68' stroke='%23FF5E14' stroke-width='3' stroke-linecap='round' /%3E%3Cpath d='M75 25L80 35L90 40L80 45L75 55L70 45L60 40L70 35L75 25Z' fill='%23FF5E14' /%3E%3C/svg%3E");
    }

    /* 폴리우레탄 (Polyurethane) - Updated: Hexagonal Lattice / Honeycomb */
    .icon-polyurethane {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 35 L50 25 L70 35 L70 55 L50 65 L30 55 Z' stroke='%23FF5E14' stroke-width='4' /%3E%3Cpath d='M50 25 V10' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M70 35 L85 27' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M70 55 L85 63' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M50 65 V80' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M30 55 L15 63' stroke='%23FF5E14' stroke-width='3' /%3E%3Cpath d='M30 35 L15 27' stroke='%23FF5E14' stroke-width='3' /%3E%3Ccircle cx='50' cy='45' r='8' fill='%23FF5E14' fill-opacity='0.2' /%3E%3C/svg%3E");
    }

    /* ALL Icon - Grid 4 squares */
    .icon-all {
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 100 100' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='15' y='15' width='28' height='28' rx='4' stroke='%23FF5E14' stroke-width='4' /%3E%3Crect x='57' y='15' width='28' height='28' rx='4' stroke='%23FF5E14' stroke-width='4' /%3E%3Crect x='15' y='57' width='28' height='28' rx='4' stroke='%23FF5E14' stroke-width='4' /%3E%3Crect x='57' y='57' width='28' height='28' rx='4' stroke='%23FF5E14' stroke-width='4' /%3E%3C/svg%3E");
    }