:root {
            /* Основные цвета - светлая тема */
            --bg-primary: #F7F8FA;
            --bg-secondary: rgba(255, 255, 255, 0.9);
            --text-primary: #3c4052;
            --text-secondary: rgba(74, 79, 101, 0.85);
            --text-tertiary: rgba(74, 79, 101, 0.45);
            --border-light: rgba(0, 0, 0, 0.06);
            --border-medium: rgba(0, 0, 0, 0.12);
            --accent-primary: #7EB6E3;
            --accent-secondary: #65A9DD;
            --gradient-primary: linear-gradient(135deg, #7EB6E3 0%, #65A9DD 100%);
            --gradient-subtle: linear-gradient(180deg, rgba(126, 182, 227, 0.05) 0%, rgba(126, 182, 227, 0) 100%);
            --ease-premium: cubic-bezier(0.33, 1, 0.68, 1);
            --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
        }

        /* Темная тема */
        body.night-mode {
            --bg-primary: #0e1116;
            --bg-secondary: rgba(26, 26, 31, 0.95);
            --text-primary: rgba(255, 255, 255, 0.95);
            --text-secondary: rgba(255, 255, 255, 0.7);
            --text-tertiary: rgba(255, 255, 255, 0.45);
            --border-light: rgba(255, 255, 255, 0.1);
            --border-medium: rgba(255, 255, 255, 0.15);
            --gradient-subtle: linear-gradient(180deg, rgba(126, 182, 227, 0.08) 0%, rgba(126, 182, 227, 0) 100%);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            font-weight: 400;
            letter-spacing: -0.011em;
            font-feature-settings: 'ss01' on, 'ss02' on, 'cv01' on;
            transition: background 0.4s ease, color 0.3s ease;
        }

        /* Заголовок страницы */
        .page-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: var(--bg-primary);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 60px;
            border-bottom: 1px solid var(--border-light);
            backdrop-filter: blur(20px) saturate(150%);
            -webkit-backdrop-filter: blur(20px) saturate(150%);
            transition: all 0.3s ease;
        }

        .header-logo {
            width: 80px;
            height: 40px;
            opacity: 0.8;
            transition: opacity 0.3s ease;
        }

        .header-logo:hover {
            opacity: 1;
        }

        .header-logo svg {
            width: 100%;
            height: 100%;
        }

        /* Переключатель темы */
        .theme-toggle {
            width: 72px;
            height: 36px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(20px) saturate(150%);
            -webkit-backdrop-filter: blur(20px) saturate(150%);
            border-radius: 36px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            overflow: hidden;
            transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            box-shadow: 
                0 4px 16px rgba(0, 0, 0, 0.08),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
            position: relative;
        }

        .theme-toggle:hover {
            transform: translateY(-1px);
            box-shadow: 
                0 6px 20px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .theme-toggle.night-mode {
            background: linear-gradient(135deg, rgba(20, 20, 35, 0.4) 0%, rgba(40, 40, 70, 0.3) 100%);
            border-color: rgba(100, 120, 255, 0.15);
            box-shadow: 
                0 4px 16px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(100, 120, 255, 0.05);
        }

        .toggle-slider {
            position: absolute;
            top: 50%;
            left: 4px;
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
            border-radius: 50%;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            transform: translateY(-50%);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
        }

        .theme-toggle.night-mode .toggle-slider {
            transform: translateX(36px) translateY(-50%);
            background: linear-gradient(135deg, #2a2a3e 0%, #1e1e2e 100%);
        }

        .sun-icon, .moon-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            transition: all 0.4s ease;
        }

        .sun-icon {
            width: 18px;
            height: 18px;
            opacity: 1;
        }

        .theme-toggle.night-mode .sun-icon {
            opacity: 0;
            transform: translate(-50%, -50%) rotate(180deg) scale(0.5);
        }

        .moon-icon {
            width: 14px;
            height: 14px;
            opacity: 0;
            transform: translate(-50%, -50%) rotate(-180deg) scale(0.5);
        }

        .theme-toggle.night-mode .moon-icon {
            opacity: 1;
            transform: translate(-50%, -50%) rotate(0deg) scale(1);
        }

        .sun-icon svg, .moon-icon svg {
            width: 100%;
            height: 100%;
        }

        .sun-icon svg circle {
            fill: #FFC107;
        }

        .sun-icon svg line {
            stroke: #FFC107;
            stroke-width: 2;
            stroke-linecap: round;
        }

        .moon-icon svg {
            fill: #b8b8d0;
        }

        /* Основной контейнер страницы */
        .page-container {
            padding-top: 0;
            min-height: 100vh;
            background: var(--bg-primary);
        }

        /* Компактный заголовок страницы - премиальный минимализм */
        .page-title-section {
            max-width: 1400px;
            margin: 0 auto;
            padding: 140px 60px 60px;
            border-bottom: 1px solid var(--border-light);
        }

        .page-title {
            font-size: 52px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: -0.025em;
            margin-bottom: 12px;
        }

        .page-subtitle {
            font-size: 18px;
            color: var(--text-primary);
            opacity: 0.85;
            font-weight: 400;
            letter-spacing: 0.01em;
            line-height: 1.6;
        }

        /* Контейнер новостей - премиальный стиль */
        .news-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 80px 60px 100px;
        }

        /* Сетка новостей - элегантная с белым пространством */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
            gap: 48px;
            margin-top: 0;
        }

        /* Карточка новости - премиальный минимализм */
        .news-card {
            background: var(--bg-secondary);
            border-radius: 0;
            overflow: hidden;
            border: none;
            border-bottom: 1px solid var(--border-light);
            transition: all 0.6s var(--ease-out-expo);
            opacity: 0;
            transform: translateY(40px);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, 
                transparent 0%, 
                var(--accent-primary) 50%, 
                transparent 100%);
            opacity: 0;
            transition: opacity 0.6s ease;
        }

        .news-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .news-card:hover {
            transform: translateY(-8px);
            border-bottom-color: var(--accent-primary);
        }

        .news-card:hover::before {
            opacity: 1;
        }

        body.night-mode .news-card {
            background: rgba(255, 255, 255, 0.02);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        body.night-mode .news-card:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        /* Изображение новости - элегантное */
        .news-image {
            width: 100%;
            height: 280px;
            overflow: hidden;
            background: var(--gradient-subtle);
            position: relative;
        }

        .news-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, 
                transparent 0%, 
                rgba(0, 0, 0, 0.02) 100%);
            pointer-events: none;
        }

        body.night-mode .news-image::after {
            background: linear-gradient(180deg, 
                transparent 0%, 
                rgba(0, 0, 0, 0.3) 100%);
        }

        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.8s var(--ease-out-expo);
            filter: grayscale(0.1);
        }

        body.night-mode .news-image img {
            filter: grayscale(0.2) brightness(0.9);
        }

        .news-card:hover .news-image img {
            transform: scale(1.08);
            filter: grayscale(0);
        }

        body.night-mode .news-card:hover .news-image img {
            filter: grayscale(0) brightness(1);
        }

        /* Контент новости - элегантный интервал */
        .news-content {
            padding: 40px 36px 36px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-title {
            font-size: 22px;
            font-weight: 400;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
            letter-spacing: -0.015em;
        }

        .news-title a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
            background-image: linear-gradient(transparent calc(100% - 1px), var(--accent-primary) 1px);
            background-repeat: no-repeat;
            background-size: 0% 100%;
            transition: background-size 0.4s ease;
        }

        .news-title a:hover {
            background-size: 100% 100%;
        }

        .news-description {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            flex: 1;
            font-weight: 300;
        }

        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-primary);
            font-size: 14px;
            font-weight: 400;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            transition: gap 0.3s var(--ease-premium);
        }

        .news-link:hover {
            gap: 14px;
        }

        .news-link::after {
            content: '→';
            font-size: 16px;
            transition: transform 0.3s var(--ease-premium);
        }

        .news-link:hover::after {
            transform: translateX(3px);
        }

        /* Адаптивность */
        @media (max-width: 1200px) {
            .news-grid {
                grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
                gap: 40px;
            }
        }

        @media (max-width: 1024px) {
            .page-header {
                padding: 0 40px;
            }

            .page-title-section {
                padding: 120px 40px 50px;
            }

            .news-container {
                padding: 60px 40px 80px;
            }

            .news-grid {
                grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .page-header {
                padding: 0 20px;
                height: 80px;
            }

            .page-title-section {
                padding: 100px 20px 40px;
            }

            .page-title {
                font-size: 36px;
                margin-bottom: 10px;
            }

            .page-subtitle {
                font-size: 14px;
            }

            .news-container {
                padding: 40px 20px 60px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .news-image {
                height: 240px;
            }

            .news-content {
                padding: 32px 28px 28px;
            }

            .news-title {
                font-size: 20px;
            }

            .news-description {
                font-size: 14px;
            }
        }

        /* Мобильная адаптация header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

        @media (max-width: 1024px) {
            .site-header {
                display: flex;
            }
            
            .page-header {
                display: none;
            }

            .page-title-section {
                margin-top: 40px;
            }

            body:not(.night-mode) .site-header {
                background: rgba(247, 248, 250, 0.95);
            }
        }

        .mobile-header-logo {
            width: 60px;
            height: 30px;
            opacity: 0.8;
            transition: opacity 0.3s ease;
        }

        .mobile-header-logo:hover {
            opacity: 1;
        }

        .site-header__brand {
            display: flex;
            align-items: center;
        }

        /* Стили контента статьи */
        .news-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px 80px;
        }

        .article-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .article-content > div:first-child {
            margin-bottom: 50px;
        }

        .article-content h2,
        .news-container h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 2.5em;
            margin-bottom: 1em;
            line-height: 1.3;
        }

        .article-content p,
        .news-container p {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 1.2em;
        }

        .article-content ul,
        .news-container ul {
            margin: 1.5em 0;
            padding-left: 0;
            list-style: none;
        }

        .article-content li,
        .news-container li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 0.8em;
            line-height: 1.6;
            color: var(--text-secondary);
            font-size: 17px;
        }

        .article-content li:before,
        .news-container li:before {
            content: "•";
            position: absolute;
            left: 10px;
            color: var(--accent-primary);
            font-weight: 600;
            font-size: 20px;
        }

        .article-content li:last-child,
        .news-container li:last-child {
            margin-bottom: 0;
        }

        .article-content strong,
        .news-container strong {
            font-weight: 600;
            color: var(--text-primary);
        }

        @media (max-width: 768px) {
            .news-container {
                padding: 0 20px 60px;
            }

            .article-content {
                max-width: 100%;
            }

            .article-content > div:first-child {
                height: 300px !important;
                margin-bottom: 30px !important;
            }
            
            .article-content h2,
            .news-container h2 {
                font-size: 24px;
                margin-top: 2em;
            }
            
            .article-content p,
            .news-container p,
            .article-content li,
            .news-container li {
                font-size: 16px;
            }
            
            .article-content li,
            .news-container li {
                padding-left: 24px;
            }
            
            .article-content li:before,
            .news-container li:before {
                left: 8px;
            }
        }