* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --boost-blue: #0033a0;
            --boost-orange: #ff6d00;
            --boost-light-blue: #005eb8;
            --text-light: #f8f9fa;
            --text-dark: #333;
            --bg-light: #f8f9fa;
            --bg-gray: #e9ecef;
            --promo-green: #00c389;
            --promo-purple: #8a2be2;
        }

        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
        }

        /* Header Banner */
        .header-banner {
            background-color: var(--promo-green);
            color: white;
            text-align: center;
            padding: 0.8rem;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .header-banner a {
            color: white;
            font-weight: bold;
            text-decoration: underline;
            margin-left: 0.5rem;
            cursor: pointer;
        }

        /* Header Styles */
        header {
            background-color: var(--boost-blue);
            padding: 0.8rem 1.5rem;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            color: white;
            font-size: 1.8rem;
            font-weight: 700;
            text-decoration: none;
        }

        .logo span {
            color: var(--boost-orange);
        }

        .nav-links {
            display: flex;
            gap: 1.5rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
            cursor: pointer;
        }

        .nav-links a:hover {
            color: var(--boost-orange);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .search-icon,
        .cart-icon {
            color: white;
            font-size: 1.2rem;
            cursor: pointer;
            transition: color 0.3s;
        }

        .search-icon:hover,
        .cart-icon:hover {
            color: var(--boost-orange);
        }

        .login-btn {
            background-color: var(--boost-orange);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .login-btn:hover {
            background-color: #e05e00;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--boost-blue) 0%, var(--boost-light-blue) 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        /* Interactive button styles */
        .btn {
            background-color: var(--boost-orange);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 4px;
            font-size: 1.1rem;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn:hover {
            background-color: #e05e00;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }

        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
            padding: 0.8rem 1.8rem;
            border-radius: 4px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }

        /* Promo Banner */
        .promo-banner {
            background: linear-gradient(90deg, #ff6d00 0%, #ff8e53 100%);
            color: white;
            padding: 2rem;
            text-align: center;
            margin: 2rem auto;
            border-radius: 8px;
            max-width: 1200px;
            position: relative;
            overflow: hidden;
        }

        .promo-banner h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .promo-banner p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 1.5rem;
        }

        .countdown {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin: 1.5rem 0;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.2);
            padding: 0.8rem 1.2rem;
            border-radius: 4px;
            min-width: 70px;
        }

        .countdown-number {
            font-size: 1.8rem;
            font-weight: 700;
        }

        .countdown-label {
            font-size: 0.9rem;
        }

        /* Phone Categories Section */
        .categories-section {
            padding: 3rem 2rem;
            background-color: white;
        }

        .categories-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .category-card {
            background: var(--bg-gray);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }

        .category-card:hover {
            background: var(--boost-light-blue);
            color: white;
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
        }

        .category-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--boost-orange);
        }

        .category-card:hover .category-icon {
            color: white;
        }

        /* Featured Phones Section */
        .featured-section {
            padding: 4rem 2rem;
            background-color: var(--bg-gray);
        }

        .featured-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .phones-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .phone-card {
            /* Добавляем flex-контейнер с направлением колонки */
            background-color: white;
            display: flex;
            flex-direction: column;
            height: 100%;
            /* Занимаем всю высоту ячейки сетки */
            transition: 1s
        }

        .phone-details {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            padding: 1.5rem;
            justify-content: space-between;
        }

        .phone-details .btn {
            /* Прижимаем кнопку к низу с помощью авто-отступа */
            margin-top: auto;
            width: 100%;
        }

        .phone-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        .phone-image {
            height: 250px;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 1rem;
        }

        .phone-image img {
            height: 160px;
            max-height: 230px;
            max-width: 100%;
        }



        .phone-name {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .phone-price {
            color: var(--boost-orange);
            font-weight: 700;
            font-size: 1.4rem;
            margin-bottom: 1rem;
        }

        .original-price {
            text-decoration: line-through;
            color: #999;
            font-size: 1rem;
            margin-left: 0.5rem;
        }

        .phone-specs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 0.9rem;
        }

        .spec-item {
            display: flex;
            align-items: center;
        }

        .spec-item i {
            color: var(--boost-blue);
            margin-right: 0.5rem;
        }

        .new-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--boost-orange);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .discount-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--promo-green);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        .popular-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--boost-blue);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        /* Special Offer Banner */
        .special-offer {
            background: linear-gradient(90deg, var(--boost-blue) 0%, var(--promo-purple) 100%);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
        }

        .offer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 3rem;
        }

        .offer-content {
            flex: 1;
            min-width: 300px;
            text-align: left;
        }

        .offer-image {
            flex: 1;
            min-width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 5rem;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .offer-image:hover {
            transform: scale(1.05);
        }

        .offer-badge {
            background: var(--promo-green);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 1rem;
        }

        /* Upgrade Program Section */
        .upgrade-section {
            padding: 4rem 2rem;
            background: white;
        }

        .upgrade-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            align-items: center;
        }

        .upgrade-image {
            height: 350px;
            background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
            border-radius: 8px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 3rem;
            color: #666;
            cursor: pointer;
            transition: transform 0.3s;
        }

        .upgrade-image:hover {
            transform: scale(1.03);
        }

        .upgrade-content {
            padding: 2rem;
        }

        .benefits-list {
            margin-top: 1.5rem;
        }

        .benefit-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }

        .benefit-icon {
            background: var(--boost-orange);
            color: white;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-right: 1rem;
            flex-shrink: 0;
        }

        /* Accessories Section */
        .accessories-section {
            padding: 4rem 2rem;
            background-color: var(--bg-gray);
        }

        .accessories-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .accessories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .accessory-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s;
            cursor: pointer;
        }

        .accessory-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .accessory-image {
            height: 180px;
            background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 1rem;
            transition: transform 0.3s;
        }

        .accessory-card:hover .accessory-image {
            transform: scale(1.05);
        }

        .accessory-image i {
            font-size: 3rem;
            color: #666;
        }

        .accessory-details {
            padding: 1.5rem;
            text-align: center;
        }

        .accessory-name {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .accessory-price {
            color: var(--boost-orange);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .accessory-sale {
            color: var(--promo-green);
            font-weight: bold;
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }

        /* Footer */
        footer {
            background-color: var(--boost-blue);
            color: white;
            padding: 4rem 2rem 2rem;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            position: relative;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--boost-orange);
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 0.8rem;
        }

        .footer-column ul li a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
            cursor: pointer;
        }

        .footer-column ul li a:hover {
            color: white;
        }

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-icons a {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 36px;
            height: 36px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: background-color 0.3s;
            cursor: pointer;
        }

        .social-icons a:hover {
            background-color: var(--boost-orange);
            transform: translateY(-3px);
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 3rem auto 0;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 1rem;
            }

            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .upgrade-container {
                grid-template-columns: 1fr;
            }

            .phone-specs {
                grid-template-columns: 1fr;
            }

            .countdown {
                flex-wrap: wrap;
            }

            .offer-container {
                flex-direction: column;
            }

            .offer-content {
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .categories-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .title_img {
            width: -webkit-fill-available;
            max-height: 100%;
            object-fit: cover;
            border-radius: 8px;
        }

        .popular-phones-title {
            text-align: center;
            margin-bottom: 1rem;
            color: var(--boost-blue);
            font-size: 2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .popular-phones-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--boost-orange);
        }