.pattern4 {
            font-family: Arial, sans-serif;
            line-height: 1.5;
            background-color: #f0e9d8;
            margin: 0;
            padding: 20px;
        }

        .paper {
            max-width: 900px;
            width: 90%;
            margin: 20px auto;
            background-color: #fdf6e3;
            border-radius: 14px;
            padding: 25px 30px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.25);
            color: #3b2a1a;
        }

        h2 {
            text-transform: uppercase;
            font-size: 1.6rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: #3b2a1a;
            border-bottom: 1px solid #d4c9b5;
            padding-bottom: 0.3rem;
            letter-spacing: 0.5px;
        }

        h1 {
            font-size: 2.2rem;
            margin-bottom: 0.2rem;
            border-bottom: 2px solid #3b2a1a;
            padding-bottom: 10px;
            color: #3b2a1a;
        }

        h3 {
            font-size: 1.3rem;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #3b2a1a;
        }

        .author {
            font-size: 1.2rem;
            margin: 10px 0 5px;
        }

        .affiliation {
            font-style: italic;
            color: #5b4e3e;
            margin: 0;
        }

        .contact {
            margin-top: 5px;
            font-size: 0.95rem;
        }

        .contact a {
            color: #3b2a1a;
            text-decoration: underline;
        }

        .contact a:hover {
            text-decoration: none;
        }

        .abstract {
            background-color: #e8e0d1;
            padding: 15px 20px;
            border-left: 4px solid #5b4e3e;
            margin: 25px 0;
            font-style: normal;
            border-radius: 0 8px 8px 0;
            color: #3b2a1a;
        }

        .abstract p {
            margin: 0;
        }

        table {
            border-collapse: collapse;
            width: 100%;
            margin: 20px 0;
            font-size: 0.95rem;
            background-color: #37493a;
            color: #fdf6e3;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }

        th, td {
            border: 1px solid #5f7260;
            padding: 10px 12px;
            text-align: left;
            vertical-align: top;
        }

        th {
            background-color: #2b3a2c;
            color: #fdf6e3;
            font-weight: 600;
        }

        tr:nth-child(even) {
            background-color: #3f5340;
        }

        .table-caption,
        .fig-caption {
            font-size: 0.9rem;
            font-weight: 600;
            margin-top: 5px;
            margin-bottom: 10px;
            color: #3b2a1a;
        }

        .table-caption {
            margin-top: 25px;
        }

        
        .fig-container {
            margin: 30px 0;
            overflow-x: auto;          
            text-align: center;
        }

        .fig-container img {
            max-width: none;           
            width: auto;               
            height: auto;
            border: 1px solid #ccc;
            border-radius: 4px;
            padding: 5px;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

	.fig-container img.wide-img
	{
	min-width: 1000px;
	width: 100 %;

	}

        .fig-sub {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }

        .fig-sub figure {
            margin: 0;
            flex: 1 1 300px;
        }

        .fig-sub img {
            max-width: 100%;
            height: auto;
            border: 1px solid #ccc;
            border-radius: 4px;
            padding: 5px;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .ref-list {
            list-style-type: decimal;
            padding-left: 1.5rem;
            font-size: 0.9rem;
        }

        .ref-list li {
            margin-bottom: 12px;
            word-break: break-word;
        }

        .ref-list a {
            color: #3b2a1a;
            text-decoration: underline;
        }

        .ref-list a:hover {
            text-decoration: none;
        }

        sup {
            font-size: 0.8rem;
            vertical-align: super;
            line-height: 0;
        }

        .mark {
            background-color: #d4c9b5;
            padding: 2px 4px;
            border-radius: 3px;
            font-weight: 500;
        }

        hr {
            border: none;
            border-top: 1px solid #d4c9b5;
            margin: 30px 0;
        }

        .supp {
            background-color: #e8e0d1;
            padding: 10px 15px;
            border-radius: 6px;
            border: 1px dashed #5b4e3e;
            color: #3b2a1a;
        }

        .supp a {
            color: #3b2a1a;
            text-decoration: underline;
        }

        .small-caps {
            font-variant: small-caps;
            font-size: 1.2rem;
        }

        .underline {
            text-decoration: underline;
        }

        a {
            color: #3b2a1a;
            text-decoration: underline;
        }

        a:hover {
            text-decoration: none;
        }