:root {
            --chk-primary: #4361ee;
            --chk-primary-light: #4895ef;
            --chk-primary-dark: #3a0ca3;
            --chk-secondary: #7209b7;
            --chk-accent: #f72585;
            --chk-success: #4cc9f0;
            --chk-warning: #f8961e;
            --chk-danger: #ef233c;
            --chk-light: #f8f9fa;
            --chk-dark: #212529;
            --chk-gray: #6c757d;
            --chk-light-gray: #e9ecef;
            
            --chk-shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --chk-shadow-md: 0 4px 6px rgba(0,0,0,0.1);
            --chk-shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
            
            --chk-radius-sm: 6px;
            --chk-radius-md: 10px;
            --chk-radius-lg: 16px;
            
            --chk-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            overflow-x: hidden;
            width: 100%;
        }
        
        body {
            font-family: 'Manrope', 'Inter', -apple-system, sans-serif;
            line-height: 1.6;
            color: var(--chk-dark);
            background-color: #f5f7ff;
        }
        
        /* Контейнер */
        .chk-container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Кнопки */
        .chk-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--chk-radius-md);
            font-weight: 600;
            cursor: pointer;
            transition: var(--chk-transition);
            border: none;
            font-size: 1rem;
        }
        
        .chk-btn-primary {
            background: linear-gradient(135deg, var(--chk-primary), var(--chk-primary-light));
            color: white;
            box-shadow: var(--chk-shadow-sm);
        }
        
        .chk-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--chk-shadow-md);
        }
        
        .chk-btn-outline {
            background: transparent;
            border: 2px solid var(--chk-primary);
            color: var(--chk-primary);
        }
        
        .chk-btn-outline:hover {
            background: var(--chk-primary);
            color: white;
        }
        
        .chk-btn-icon {
            margin-right: 8px;
        }
        
        /* Хедер */
        .chk-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--chk-shadow-sm);
            transition: var(--chk-transition);
        }
        
        .chk-header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            padding: 0 30px;
        }
        
        .chk-logo {
            display: flex;
            align-items: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--chk-primary-dark);
            z-index: 1001;
            text-decoration: none;
        }
        
        .chk-logo-icon {
            margin-right: 10px;
            color: var(--chk-primary);
            font-size: 2rem;
        }
        
        /* Бургер-меню */
        .chk-menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
            z-index: 1001;
        }
        
        .chk-menu-toggle span {
            display: block;
            height: 3px;
            width: 100%;
            background: var(--chk-primary-dark);
            border-radius: 3px;
            transition: var(--chk-transition);
        }
        
        .chk-menu-toggle.chk-active span:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }
        
        .chk-menu-toggle.chk-active span:nth-child(2) {
            opacity: 0;
        }
        
        .chk-menu-toggle.chk-active span:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }
        
        /* Навигация */
        .chk-nav-menu {
            display: flex;
            align-items: center;
        }
        
        .chk-nav-list {
            display: flex;
            list-style: none;
        }
        
        .chk-nav-item {
            margin: 0 15px;
            position: relative;
        }
        
        .chk-nav-link {
            font-weight: 600;
            color: var(--chk-dark);
            padding: 10px 0;
            transition: var(--chk-transition);
            text-decoration: none;
        }

        .chk-nav-link:hover {
            color: var(--chk-primary);
            text-decoration: none;
        }

        .chk-nav-link.chk-active {
            color: var(--chk-primary);
        }
        
        .chk-auth-buttons {
            display: flex;
            margin-left: 20px;
        }
        
        .chk-auth-buttons .chk-btn {
            margin-left: 15px;
        }
        
        /* Мобильное меню */
        .chk-mobile-menu {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background: white;
            padding: 30px;
            box-shadow: var(--chk-shadow-lg);
            transform: translateY(-150%);
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            z-index: 999;
            pointer-events: none;
        }
        
        .chk-mobile-menu.chk-active {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }
        
        .chk-mobile-nav-list {
            list-style: none;
        }
        
        .chk-mobile-nav-item {
            margin-bottom: 20px;
        }
        
        .chk-mobile-nav-link {
            font-weight: 600;
            color: var(--chk-dark);
            padding: 12px 0;
            display: block;
            font-size: 1.1rem;
            transition: var(--chk-transition);
            text-decoration: none;
        }
        
        .chk-mobile-nav-link:hover {
            color: var(--chk-primary);
        }
        
        .chk-mobile-nav-link.chk-active {
            color: var(--chk-primary);
        }
        
        .chk-mobile-auth {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 30px;
        }
        
        /* Герой секция */
        .chk-hero {
            padding-top: 180px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, #f5f7ff 0%, #e8ecff 100%);
            position: relative;
            overflow: hidden;
        }
        
        .chk-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(67,97,238,0.1) 0%, rgba(67,97,238,0) 70%);
            z-index: 0;
        }
        
        .chk-hero-container {
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        .chk-hero-content {
            flex: 1;
            padding-right: 50px;
        }
        
        .chk-hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--chk-dark);
        }
        
        .chk-hero-title span {
            background: linear-gradient(90deg, var(--chk-primary), var(--chk-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .chk-hero-subtitle {
            font-size: 1.2rem;
            color: var(--chk-gray);
            margin-bottom: 30px;
            max-width: 600px;
        }
        
        .chk-hero-buttons {
            display: flex;
            gap: 15px;
        }
        
        .chk-hero-image {
            flex: 1;
            position: relative;
        }
        
        .chk-hero-img {
            width: 100%;
            max-width: 600px;
            border-radius: var(--chk-radius-lg);
            box-shadow: var(--chk-shadow-lg);
            transform: perspective(1000px) rotateY(-10deg);
            transition: var(--chk-transition);
            animation: chk-float 6s ease-in-out infinite;
        }
        
        @keyframes chk-float {
            0%, 100% { transform: perspective(1000px) rotateY(-10deg) translateY(0); }
            50% { transform: perspective(1000px) rotateY(-10deg) translateY(-20px); }
        }
        
        /* Поисковая форма */
        .chk-search-box {
            background: white;
            border-radius: var(--chk-radius-lg);
            padding: 40px;
            box-shadow: var(--chk-shadow-lg);
            margin-top: 40px;
            position: relative;
            z-index: 2;
        }
        
        .chk-search-tabs {
            display: flex;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--chk-light-gray);
        }
        
        .chk-search-tab {
            padding: 12px 24px;
            margin-right: 5px;
            font-weight: 600;
            cursor: pointer;
            border-radius: var(--chk-radius-sm) var(--chk-radius-sm) 0 0;
            transition: var(--chk-transition);
            color: var(--chk-gray);
        }
        
        .chk-search-tab.chk-active {
            color: var(--chk-primary);
            background: rgba(67,97,238,0.1);
            position: relative;
        }
        
        .chk-search-tab.chk-active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--chk-primary), var(--chk-secondary));
        }
        
        .chk-search-form {
            display: flex;
            position: relative;
        }
        
        .chk-search-input {
            flex: 1;
            padding: 16px 20px;
            border: 1px solid var(--chk-light-gray);
            border-radius: var(--chk-radius-md) 0 0 var(--chk-radius-md);
            font-size: 1rem;
            transition: var(--chk-transition);
        }
        
        .chk-search-input:focus {
            outline: none;
            border-color: var(--chk-primary);
            box-shadow: 0 0 0 3px rgba(67,97,238,0.2);
        }
        
        .chk-search-btn {
            padding: 16px 30px;
            border-radius: 0 var(--chk-radius-md) var(--chk-radius-md) 0;
            background: linear-gradient(135deg, var(--chk-primary), var(--chk-primary-light));
            color: white;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--chk-transition);
        }
        
        .chk-search-btn:hover {
            background: linear-gradient(135deg, var(--chk-primary-dark), var(--chk-primary));
        }
        
        /* Особенности */
        .chk-features {
            background: white;
            position: relative;
            padding: 80px 0;
        }
        
        .chk-section-header {
            margin-bottom: 40px;
            text-align: center;
        }
        
        .chk-section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            background: linear-gradient(90deg, var(--chk-primary), var(--chk-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .chk-section-subtitle {
            font-size: 1.1rem;
            color: var(--chk-gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .chk-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .chk-feature-card {
            background: white;
            border-radius: var(--chk-radius-md);
            padding: 30px;
            box-shadow: var(--chk-shadow-sm);
            transition: var(--chk-transition);
            border: 1px solid var(--chk-light-gray);
        }
        
        .chk-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--chk-shadow-lg);
            border-color: var(--chk-primary);
        }
        
        .chk-feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, rgba(67,97,238,0.1) 0%, rgba(114,9,183,0.1) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--chk-primary);
            font-size: 1.5rem;
        }
        
        .chk-feature-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--chk-dark);
        }
        
        .chk-feature-text {
            color: var(--chk-gray);
            line-height: 1.7;
        }
        
        /* Статистика */
        .chk-stats {
            background: linear-gradient(135deg, var(--chk-primary-dark) 0%, var(--chk-secondary) 100%);
            color: white;
            padding: 80px 0;
        }
        
        .chk-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        
        .chk-stat-card {
            text-align: center;
            padding: 30px;
        }
        
        .chk-stat-number {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 10px;
            background: linear-gradient(90deg, #fff, rgba(255,255,255,0.7));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .chk-stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        
        /* Как это работает */
        .chk-how-it-works {
            background: var(--chk-light);
            padding: 80px 0;
        }
        
        .chk-steps {
            display: flex;
            flex-direction: column;
            gap: 30px;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        
        .chk-step {
            display: flex;
            align-items: flex-start;
            background: white;
            border-radius: var(--chk-radius-lg);
            padding: 30px;
            box-shadow: var(--chk-shadow-sm);
            position: relative;
            z-index: 1;
            transition: var(--chk-transition);
        }
        
        .chk-step:hover {
            transform: translateX(10px);
            box-shadow: var(--chk-shadow-md);
        }
        
        .chk-step-number {
            min-width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--chk-primary), var(--chk-secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin-right: 20px;
        }
        
        .chk-step-content {
            flex: 1;
        }
        
        .chk-step-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--chk-dark);
        }
        
        .chk-step-text {
            color: var(--chk-gray);
            line-height: 1.7;
        }
        
        /* Тарифы */
        .chk-pricing {
            background: white;
            padding: 80px 0;
        }
        
        .chk-pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .chk-pricing-card {
            background: white;
            border-radius: var(--chk-radius-lg);
            overflow: hidden;
            box-shadow: var(--chk-shadow-sm);
            transition: var(--chk-transition);
            border: 1px solid var(--chk-light-gray);
        }
        
        .chk-pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--chk-shadow-lg);
        }
        
        .chk-pricing-card.chk-popular {
            border: 2px solid var(--chk-primary);
            position: relative;
        }
        
        .chk-pricing-card.chk-popular::before {
            content: 'Популярный';
            position: absolute;
            top: 20px;
            right: -30px;
            background: var(--chk-primary);
            color: white;
            padding: 5px 30px;
            font-size: 0.8rem;
            font-weight: 600;
            transform: rotate(45deg);
        }
        
        .chk-pricing-header {
            padding: 30px;
            text-align: center;
            background: linear-gradient(135deg, rgba(67,97,238,0.1) 0%, rgba(114,9,183,0.1) 100%);
        }
        
        .chk-pricing-name {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--chk-dark);
        }
        
        .chk-pricing-price {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--chk-primary-dark);
        }
        
        .chk-pricing-period {
            color: var(--chk-gray);
            font-size: 0.9rem;
        }
        
        .chk-pricing-features {
            padding: 30px;
        }
        
        .chk-pricing-feature {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: var(--chk-dark);
        }
        
        .chk-pricing-feature i {
            color: var(--chk-primary);
            margin-right: 10px;
        }
        
        .chk-pricing-footer {
            padding: 0 30px 30px;
            text-align: center;
        }
        
        /* Отзывы */
        .chk-testimonials {
            background: var(--chk-light);
            padding: 80px 0;
        }
        
        .chk-testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .chk-testimonial-card {
            background: white;
            border-radius: var(--chk-radius-lg);
            padding: 30px;
            box-shadow: var(--chk-shadow-sm);
            transition: var(--chk-transition);
        }
        
        .chk-testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--chk-shadow-md);
        }
        
        .chk-testimonial-text {
            font-style: italic;
            color: var(--chk-dark);
            margin-bottom: 20px;
            position: relative;
        }
        
        .chk-testimonial-text::before {
            content: ' ';
            font-size: 4rem;
            color: var(--chk-primary);
            opacity: 0.2;
            position: absolute;
            top: -20px;
            left: -10px;
            font-family: serif;
        }
        
        .chk-testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .chk-author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
        }
        
        .chk-author-info h4 {
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--chk-dark);
        }
        
        .chk-author-info p {
            color: var(--chk-gray);
            font-size: 0.9rem;
        }
        
        /* CTA */
        .chk-cta {
            background: linear-gradient(135deg, var(--chk-primary) 0%, var(--chk-secondary) 100%);
            color: white;
            text-align: center;
            padding: 80px 0;
        }
        
        .chk-cta-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .chk-cta-text {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .chk-cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .chk-cta .chk-btn-outline {
            border-color: white;
            color: white;
        }
        
        .chk-cta .chk-btn-outline:hover {
            background: white;
            color: var(--chk-primary);
        }
        
        /* Футер */
        .chk-footer {
            background: var(--chk-dark);
            color: white;
            padding: 60px 0 0;
        }
        
        .chk-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .chk-footer-col h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .chk-footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, var(--chk-primary), var(--chk-secondary));
        }
        
        .chk-footer-links li {
            margin-bottom: 10px;
            list-style: none;
            padding-left: 0;
            margin-left: 0;
        }
        
        .chk-footer-links a {
            color: rgba(255,255,255,0.7);
            transition: var(--chk-transition);
            text-decoration: none;
        }
        
        .chk-footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .chk-footer-contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            color: rgba(255,255,255,0.7);
        }
        
        .chk-footer-contact-item i {
            margin-right: 10px;
            color: var(--chk-primary);
        }
        
        .chk-social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .chk-social-link {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--chk-transition);
        }
        
        .chk-social-link:hover {
            background: var(--chk-primary);
            transform: translateY(-3px);
        }
        
        .chk-footer-bottom {
            padding: 20px 0;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            color: rgba(255,255,255,0.5);
            font-size: 0.9rem;
        }
        
        /* Модальные окна */
        .chk-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.7);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            overflow-y: auto;
        }
        
        .chk-modal-content {
            background: white;
            border-radius: var(--chk-radius-lg);
            box-shadow: var(--chk-shadow-lg);
            width: 100%;
            max-width: 500px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: chk-modalFadeIn 0.3s ease;
            z-index: 2001; /* Важно для корректного закрытия */
        }
        
        @keyframes chk-modalFadeIn {
            from { opacity: 0; transform: translateY(-50px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .chk-modal-header {
            padding: 20px;
            border-bottom: 1px solid var(--chk-light-gray);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .chk-modal-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--chk-dark);
        }
        
        .chk-close-modal {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--chk-gray);
            transition: var(--chk-transition);
        }
        
        .chk-close-modal:hover {
            color: var(--chk-danger);
        }
        
        .chk-modal-body {
            padding: 30px;
        }
        
        .chk-form-group {
            margin-bottom: 20px;
        }
        
        .chk-form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--chk-dark);
        }
        
        .chk-form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--chk-light-gray);
            border-radius: var(--chk-radius-md);
            font-size: 1rem;
            transition: var(--chk-transition);
        }
        
        .chk-form-control:focus {
            outline: none;
            border-color: var(--chk-primary);
            box-shadow: 0 0 0 3px rgba(67,97,238,0.2);
        }
        
        .chk-form-row {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .chk-form-row .chk-form-group {
            flex: 1;
            margin-bottom: 0;
        }
        
        .chk-modal-footer {
            padding: 20px 30px;
            border-top: 1px solid var(--chk-light-gray);
            display: flex;
            justify-content: flex-end;
            gap: 15px;
        }
        
        /* Результаты поиска */
        .chk-search-results {
            max-height: 400px;
            overflow-y: auto;
        }
        
        .chk-result-item {
            padding: 15px;
            border-bottom: 1px solid var(--chk-light-gray);
            cursor: pointer;
            transition: var(--chk-transition);
        }
        
        .chk-result-item:hover {
            background-color: rgba(67,97,238,0.05);
        }
        
        .chk-result-title {
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--chk-dark);
        }
        
        .chk-result-details {
            display: flex;
            gap: 15px;
            font-size: 0.9rem;
            color: var(--chk-gray);
        }
        
        .chk-result-details span {
            display: flex;
            align-items: center;
        }
        
        .chk-result-details i {
            margin-right: 5px;
        }
        
        /* Форма оплаты */
        .chk-payment-methods {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .chk-payment-method {
            flex: 1;
            border: 2px solid var(--chk-light-gray);
            border-radius: var(--chk-radius-md);
            padding: 15px;
            text-align: center;
            cursor: pointer;
            transition: var(--chk-transition);
        }
        
        .chk-payment-method.chk-selected {
            border-color: var(--chk-primary);
            background: rgba(67,97,238,0.05);
        }
        
        .chk-payment-method i {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--chk-gray);
        }
        
        .chk-payment-method.chk-selected i {
            color: var(--chk-primary);
        }
        
        /* SEO текст */
        .chk-seo-section {
            background: white;
            padding: 60px 0;
        }
        
        .chk-seo-container {
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .chk-seo-content {
            line-height: 1.8;
            color: var(--chk-dark);
        }
        
        .chk-seo-content h2 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--chk-primary-dark);
        }
        
        .chk-seo-content h3 {
            font-size: 1.4rem;
            margin: 30px 0 15px;
            color: var(--chk-primary);
        }
        
        .chk-seo-content p {
            margin-bottom: 15px;
        }
        
        .chk-seo-content ul {
            margin-bottom: 20px;
            padding-left: 20px;
        }
        
        .chk-seo-content li {
            margin-bottom: 10px;
        }
        
        .chk-highlight {
            background: linear-gradient(135deg, rgba(67,97,238,0.1) 0%, rgba(114,9,183,0.1) 100%);
            padding: 2px 5px;
            border-radius: 4px;
        }
        
        /* Анимации */
        @keyframes chk-fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .chk-fade-in {
            animation: chk-fadeIn 1s ease forwards;
        }
        
        .chk-delay-1 { animation-delay: 0.2s; }
        .chk-delay-2 { animation-delay: 0.4s; }
        .chk-delay-3 { animation-delay: 0.6s; }
        .chk-delay-4 { animation-delay: 0.8s; }
        
        /* Кнопка "Наверх" */
        .chk-back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: #4361ee;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            transform: translateY(20px);
            z-index: 9999;
            border: none;
            outline: none;
        }

        .chk-back-to-top.chk-visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .chk-back-to-top:hover {
            background-color: #3a0ca3;
            transform: translateY(-3px);
        }
        
        /* Автодополнение */
        .chk-autocomplete-suggestions {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: white;
            border: 1px solid var(--chk-light-gray);
            border-top: none;
            border-radius: 0 0 var(--chk-radius-md) var(--chk-radius-md);
            max-height: 300px;
            overflow-y: auto;
            box-shadow: var(--chk-shadow-md);
            z-index: 1000;
            display: none;
        }
        
        .chk-autocomplete-suggestion {
            padding: 10px 15px;
            cursor: pointer;
            border-bottom: 1px solid var(--chk-light-gray);
            transition: var(--chk-transition);
        }
        
        .chk-autocomplete-suggestion:hover {
            background-color: var(--chk-light);
        }
        
        .chk-autocomplete-suggestion:last-child {
            border-bottom: none;
        }
        
        .chk-suggestion-title {
            font-weight: 600;
            margin-bottom: 5px;
            color: var(--chk-dark);
        }
        
        .chk-suggestion-details {
            font-size: 0.85rem;
            color: var(--chk-gray);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .chk-suggestion-details span {
            display: flex;
            align-items: center;
        }
        
        .chk-suggestion-details i {
            margin-right: 3px;
        }

        /* Уведомления */
        .chk-notification {
            position: fixed;
            top: 100px;
            right: 30px;
            background: white;
            border-radius: var(--chk-radius-md);
            padding: 15px 20px;
            box-shadow: var(--chk-shadow-lg);
            display: flex;
            align-items: center;
            z-index: 3000;
            transform: translateX(150%);
            transition: transform 0.3s ease;
        }
        
        .chk-notification.chk-visible {
            transform: translateX(0);
        }
        
        .chk-notification-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 1.2rem;
        }
        
        .chk-notification.chk-success {
            border-left: 4px solid var(--chk-success);
        }
        
        .chk-notification.chk-success .chk-notification-icon {
            background: rgba(76, 201, 240, 0.1);
            color: var(--chk-success);
        }
        
        .chk-notification.chk-error {
            border-left: 4px solid var(--chk-danger);
        }
        
        .chk-notification.chk-error .chk-notification-icon {
            background: rgba(239, 35, 60, 0.1);
            color: var(--chk-danger);
        }
        
        .chk-notification-content h4 {
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .chk-notification-content p {
            font-size: 0.9rem;
            color: var(--chk-gray);
        }

        /* Модальные окна для успешных действий */
        .chk-success-modal .chk-modal-content {
            max-width: 400px;
            text-align: center;
        }
        
        .chk-success-icon {
            font-size: 3rem;
            color: var(--chk-success);
            margin-bottom: 20px;
        }
        
        /* Адаптивность */
        @media (max-width: 1200px) {
            .chk-hero-title {
                font-size: 3rem;
            }
        }
        
        @media (max-width: 992px) {
            .chk-menu-toggle {
                display: flex;
            }
            
            .chk-nav-menu, .chk-auth-buttons {
                display: none;
            }
            
            .chk-hero-container {
                flex-direction: column;
            }
            
            .chk-hero-content {
                padding-right: 0;
                margin-bottom: 50px;
                text-align: center;
            }
            
            .chk-hero-buttons {
                justify-content: center;
            }
            
            .chk-hero-title {
                font-size: 2.5rem;
            }
            
            .chk-section-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .chk-header-container {
                padding: 0 20px;
                height: 70px;
            }
            
            .chk-logo {
                font-size: 1.5rem;
            }
            
            .chk-hero {
                padding-top: 140px;
                padding-bottom: 60px;
            }
            
            .chk-hero-title {
                font-size: 2rem;
            }
            
            .chk-hero-subtitle {
                font-size: 1rem;
            }
            
            .chk-search-box {
                padding: 25px;
                margin-top: 30px;
            }
            
            .chk-search-tabs {
                overflow-x: auto;
                white-space: nowrap;
                padding-bottom: 10px;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
            }
            
            .chk-search-tabs::-webkit-scrollbar {
                display: none;
            }
            
            .chk-search-form {
                flex-direction: column;
            }
            
            .chk-search-input {
                border-radius: var(--chk-radius-md) var(--chk-radius-md) 0 0;
            }
            
            .chk-search-btn {
                border-radius: 0 0 var(--chk-radius-md) var(--chk-radius-md);
            }
            
            .chk-features-grid, .chk-testimonials-grid {
                grid-template-columns: 1fr;
            }
            
            .chk-stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .chk-pricing-grid {
                grid-template-columns: 1fr;
            }
            
            .chk-pricing-card.chk-popular::before {
                right: -25px;
                padding: 5px 25px;
                font-size: 0.7rem;
            }
            
            .chk-cta-title {
                font-size: 2rem;
            }
            
            .chk-cta-buttons {
                flex-direction: column;
                gap: 10px;
            }
            
            .chk-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            
            .chk-modal-content {
                width: 95%;
            }
            
            .chk-form-row {
                flex-direction: column;
                gap: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .chk-header-container {
                padding: 0 15px;
            }
            
            .chk-hero {
                padding-top: 120px;
            }
            
            .chk-hero-title {
                font-size: 1.8rem;
            }
            
            .chk-hero-buttons .chk-btn {
                width: 100%;
            }
            
            .chk-section-title {
                font-size: 1.8rem;
            }
            
            .chk-stats-grid {
                grid-template-columns: 1fr;
            }
            
            .chk-footer-grid {
                grid-template-columns: 1fr;
            }
            
            .chk-back-to-top {
                width: 45px;
                height: 45px;
                font-size: 20px;
                bottom: 20px;
                right: 20px;
            }
        }
        
        /* ФИКСЫ ДЛЯ КОНФЛИКТОВ */
        /* Фиксы для шапки */
        .chk-header .chk-btn-primary {
            background: linear-gradient(135deg, var(--chk-primary), var(--chk-primary-light)) !important;
            color: white !important;
        }
        
        .chk-header .chk-btn-outline {
            background: transparent !important;
            border: 2px solid var(--chk-primary) !important;
            color: var(--chk-primary) !important;
        }
        
        .chk-header .chk-btn-outline:hover {
            background: var(--chk-primary) !important;
            color: white !important;
        }
        
        /* Фиксы для подвала */
        .chk-footer {
            background: var(--chk-dark) !important;
        }
        
        .chk-footer .chk-footer-links a {
            color: rgba(255,255,255,0.7) !important;
        }
        
        .chk-footer .chk-footer-links a:hover {
            color: white !important;
        }
        
        .chk-footer .chk-footer-contact-item {
            color: rgba(255,255,255,0.7) !important;
        }
          }