:root {
            --primary-color: #2c3e50;
            --accent-color: #ab8d6f;
            --light-bg: #f9f9f7;
            --dark-bg: #1a1a1a;
            --text-color: #333;
            --light-text: #fff;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Raleway', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
            background-color: var(--light-bg);
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* Header */
        header {
            background-color: var(--primary-color);
            color: var(--light-text);
            position: sticky;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 22px;
            font-weight: 700;
            color: var(--light-text);
            display: flex;
            flex-direction: column;
        }
        
        .logo-main {
            font-size: 1.2em;
            line-height: 1.2;
        }
        
        .logo-sub {
            font-size: 0.7em;
            opacity: 0.9;
            margin-top: 2px;
        }
        
        .nav-menu {
            display: flex;
        }
        
        .nav-menu li {
            margin-left: 25px;
            position: relative;
        }
        
        .nav-menu li a {
            font-weight: 500;
            font-size: 15px;
            letter-spacing: 0.5px;
            padding: 5px 0;
        }
        
        .nav-menu li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        
        .nav-menu li a:hover:after {
            width: 100%;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--light-text);
            font-size: 24px;
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/20250708_151440.jpg') no-repeat center center/cover;
            color: var(--light-text);
            text-align: center;
            padding: 100px 0;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            font-weight: 300;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--accent-color);
            color: var(--light-text);
            border: none;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .btn:hover {
            background-color: #d1a971;
        }
        
        /* Conference Section */
        .conference-section {
            padding: 80px 0;
            background: #fff;
        }
        
        .conference-content {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .section-title {
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid var(--accent-color);
        }
        
        .section-title h2 {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        
        .conference-text {
            margin-bottom: 40px;
            line-height: 1.8;
        }
        
        .conference-text p {
            margin-bottom: 20px;
        }
        
        .organizers {
            margin: 30px 0;
            padding: 20px;
            background-color: #f5f2ee;
            border-radius: 5px;
        }
        
        .organizers h3 {
            font-family: 'Playfair Display', serif;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .organizers ul {
            list-style-type: none;
        }
        
        .organizers li {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }
        
        .organizers li:before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--accent-color);
        }
        
        .conference-details {
            background-color: #e8f4f8;
            padding: 25px;
            border-radius: 5px;
            margin: 30px 0;
        }
        
        .conference-details h3 {
            color: #4a90e2;
            margin-bottom: 15px;
            font-family: 'Playfair Display', serif;
        }
        
        .sections-list {
            margin: 25px 0;
        }
        
        .sections-list ol {
            list-style-type: decimal;
            margin-left: 20px;
        }
        
        .sections-list li {
            margin-bottom: 10px;
        }
        
        .important-date {
            background-color: #fff4e6;
            padding: 20px;
            border-left: 4px solid var(--accent-color);
            margin: 25px 0;
            border-radius: 3px;
        }
        
        .important-date h3 {
            color: var(--accent-color);
            margin-bottom: 10px;
            font-family: 'Playfair Display', serif;
        }
        
        /* Journal Description */
        .journal-description {
            padding: 80px 0;
            background: #fff;
        }
        
        .description-content {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .description-text {
            margin-bottom: 40px;
            line-height: 1.8;
        }
        
        .description-text p {
            margin-bottom: 20px;
        }
        
        .rubrics {
            margin: 40px 0;
        }
        
        .rubrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .rubric-item {
            background: var(--light-bg);
            padding: 20px;
            border-left: 4px solid var(--accent-color);
            transition: var(--transition);
        }
        
        .rubric-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .journal-info {
            background: #f5f2ee;
            padding: 30px;
            border-radius: 5px;
            margin-top: 40px;
        }
        
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .info-item {
            margin-bottom: 15px;
        }
        
        .info-item h4 {
            font-family: 'Playfair Display', serif;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        /* Main Content */
        .main-content {
            padding: 60px 0;
        }
        
        .content-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }
        
        .articles-container {
            background: #fff;
            padding: 30px;
            border-radius: 5px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .article {
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #eee;
        }
        
        .article:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .article h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .article-meta {
            font-size: 0.9rem;
            color: #777;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .article-meta span {
            margin-right: 15px;
        }
        
        .article p {
            margin-bottom: 15px;
            line-height: 1.8;
        }
        
        .read-more {
            color: var(--accent-color);
            font-weight: 500;
            display: inline-block;
            margin-top: 10px;
        }
        
        .read-more:hover {
            text-decoration: underline;
        }
        
        /* Sidebar */
        .sidebar {
            background: #fff;
            padding: 30px;
            border-radius: 5px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .sidebar-widget {
            margin-bottom: 40px;
        }
        
        .sidebar-widget:last-child {
            margin-bottom: 0;
        }
        
        .sidebar-widget h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
            color: var(--primary-color);
        }
        
        .issues-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .issues-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .issues-list a {
            font-weight: 500;
            display: block;
            margin-bottom: 5px;
        }
        
        .issues-list a:hover {
            color: var(--accent-color);
        }
        
        .issues-list span {
            font-size: 0.9rem;
            color: #777;
        }
        
        /* For Authors */
        .authors-info {
            background-color: #f5f2ee;
            padding: 20px;
            border-radius: 5px;
        }
        
        .authors-info p {
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark-bg);
            color: var(--light-text);
            padding: 60px 0 30px;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-col h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h4:after {
            content: '';
            position: absolute;
            width: 30px;
            height: 2px;
            background-color: var(--accent-color);
            bottom: 0;
            left: 0;
        }
        
        .footer-col p {
            margin-bottom: 15px;
            font-weight: 300;
        }
        
        .contact-info p {
            display: flex;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            font-weight: 300;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                background-color: var(--primary-color);
                width: 100%;
                height: calc(100vh - 70px);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero {
                padding: 70px 0;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .journal-description {
                padding: 50px 0;
            }
            
            .conference-section {
                padding: 50px 0;
            }
        }

        /* Стили для рекламной плашки */
        .conference-banner {
            background: linear-gradient(135deg, var(--accent-color), #6b4c2a);
            color: white;
            padding: 12px 0;
            text-align: center;
            position: relative;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .conference-banner .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        
        .banner-content {
            flex: 1;
            min-width: 300px;
        }
        
        .banner-content h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.3rem;
            margin-bottom: 5px;
        }
        
        .banner-content p {
            font-size: 0.95rem;
            margin: 0;
        }
        
        .banner-button {
            background: white;
            color: var(--accent-color);
            padding: 8px 20px;
            border-radius: 3px;
            font-weight: 600;
            transition: all 0.3s ease;
            white-space: nowrap;
            margin-left: 20px;
        }
        
        .banner-button:hover {
            background: #f8f8f8;
            transform: translateY(-2px);
        }
        
        .close-banner {
            background: none;
            border: none;
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            margin-left: 15px;
            opacity: 0.8;
            transition: opacity 0.3s ease;
        }
        
        .close-banner:hover {
            opacity: 1;
        }
        
        /* Адаптивность для баннера */
        @media (max-width: 768px) {
            .conference-banner .container {
                flex-direction: column;
                gap: 10px;
            }
            
            .banner-button {
                margin: 10px 0 0 0;
            }
            
            .close-banner {
                position: absolute;
                top: 5px;
                right: 10px;
            }
        }
        .color-iii{
            text-decoration: underline; 
        }

        /* Стили для страницы выпуска журнала */
        .issue-header {
            padding: 60px 0;
            background: #fff;
        }
        
        .issue-container {
            display: flex;
            gap: 40px;
            align-items: flex-start;
        }
        
        .issue-cover {
            flex: 0 0 250px;
        }
        
        .issue-cover img {
            width: 100%;
            height: auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border: 1px solid #eee;
        }
        
        .issue-info {
            flex: 1;
        }
        
        .issue-title {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .issue-subtitle {
            font-size: 1.2rem;
            color: #666;
            margin-bottom: 20px;
            font-style: italic;
        }
        
        .issue-meta {
            margin-bottom: 20px;
            line-height: 1.6;
        }
        
        .articles-section {
            padding: 60px 0;
            background: var(--light-bg);
        }
        
        .article-item {
            background: #fff;
            padding: 25px;
            margin-bottom: 25px;
            border-radius: 5px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        .article-title {
            font-family: 'Playfair Display', serif;
            font-size: 1.4rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .article-author {
            font-weight: 500;
            margin-bottom: 15px;
            color: #555;
        }
        
        .article-abstract {
            margin-bottom: 15px;
            line-height: 1.7;
        }
        
        .article-keywords {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 10px;
        }
        
        .article-doi {
            font-size: 0.9rem;
            color: #888;
            margin-bottom: 10px;
        }
        
        .article-link {
            display: inline-block;
            color: var(--accent-color);
            font-weight: 500;
        }
        
        .article-link:hover {
            text-decoration: underline;
        }
        
        @media (max-width: 768px) {
            .issue-container {
                flex-direction: column;
            }
            
            .issue-cover {
                flex: 0 0 auto;
                width: 200px;
                margin: 0 auto 30px;
            }
            
            .issue-title {
                font-size: 1.6rem;
            }
        }
/* Конференция баннер */
        .conference-banner {
            background: linear-gradient(135deg, #d1a971);
            background-size: 400% 400%;
            color: white;
            padding: 16px 0;
            text-align: center;
            position: relative;
            width: 100%;
            overflow: hidden;
            animation: gradientShift 8s ease infinite, pulse 2s ease-in-out infinite;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        
        .conference-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
            opacity: 0.3;
        }
        
        .conference-banner .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }
        
        .banner-content {
            flex: 1;
            min-width: 300px;
            text-align: left;
        }
        
        .banner-content h3 {
            font-family: 'Playfair Display', serif;
            font-size: 1.4rem;
            margin-bottom: 5px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
            line-height: 1.3;
        }
        
        .banner-content p {
            font-size: 0.95rem;
            margin: 0;
            opacity: 0.9;
        }
        
        .banner-button {
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary-color);
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            white-space: nowrap;
            margin-left: 20px;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .banner-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            transition: 0.5s;
        }
        
        .banner-button:hover::before {
            left: 100%;
        }
        
        .banner-button:hover {
            background: white;
            transform: translateY(-2px) scale(1.05);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        }
        
        .close-banner {
            background: rgba(0, 0, 0, 0.2);
            border: none;
            color: white;
            font-size: 1.5rem;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            margin-left: 15px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .close-banner:hover {
            background: rgba(0, 0, 0, 0.4);
            transform: rotate(90deg);
        }
        
        /* Анимации */
        @keyframes gradientShift {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.005);
            }
            100% {
                transform: scale(1);
            }
        }
        
        /* Адаптивность для баннера */
        @media (max-width: 768px) {
            .conference-banner .container {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
            
            .banner-content {
                text-align: center;
            }
            
            .banner-content h3 {
                font-size: 1.2rem;
            }
            
            .banner-button {
                margin: 10px 0 0 0;
                padding: 10px 20px;
            }
            
            .close-banner {
                position: absolute;
                top: 10px;
                right: 10px;
                width: 35px;
                height: 35px;
                font-size: 1.3rem;
            }
        }
        
        @media (max-width: 480px) {
            .banner-content h3 {
                font-size: 1.1rem;
            }
            
            .banner-button {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            
            .conference-banner {
                padding: 14px 0;
            }
        }
/* Стили для архива */
.archive-toggle {
    cursor: pointer;
    user-select: none; /* Запрещает выделение текста при клике */
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.archive-toggle:hover {
    color: var(--accent-color);
}

.other-issues {
    display: none; /* Изначально скрываем другие выпуски */
}

.issues-list.active .other-issues {
    display: list-item; /* Показываем, когда меню активно */
}

.view-all-link {
    font-weight: 500;
    color: var(--accent-color);
    display: block;
    margin-top: 5px;
}