/* Обнуление и базовые стили */
    *, *::before, *::after {
        box-sizing: border-box;
    }
    body {
        font-family: Arial, sans-serif;
        margin: 0;
        padding: 0;
        line-height: 1.6;
        background-color: #f9f9f9;
        color: #222;
    }

    /* Шапка и футер */
    header, footer {
        background-color: #1e1e2f;
        color: #fff;
        padding: 15px 20px;
    }
    footer {
        font-size: 0.9em;
        text-align: center;
    }

    /* Внутренний контейнер шапки */
    header .top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1200px;
        margin: auto;
        position: relative;
    }

    /* Логотип и свечение */
    .logo {
        font-weight: bold;
        font-size: 1.5em;
    }
    .logo-glow {
        display: inline-block;
        position: relative;
        z-index: 1;
        overflow: hidden;
    }
    .logo-glow::before {
        content: "";
        position: absolute;
        inset: -6px;
        z-index: -1;
        border-radius: 16px;
        background: linear-gradient(90deg, #ff9000, #ffc000, #ff9000, #ff6a00, #ff9000);
        background-size: 300% 300%;
        filter: blur(14px) brightness(1.17);
        opacity: 0.7;
        animation: orange-glow-logo 2.7s linear infinite;
    }
    @keyframes orange-glow-logo {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* Кнопки — общие стили */
    .register-btn,
    .cta-btn {
        position: relative;
        z-index: 1;
        background: linear-gradient(90deg, #ff9000, #ffc000, #ff9000, #ff6a00, #ff9000);
        background-size: 300% 300%;
        color: #fff;
        border: none;
        padding: 0.6em 1.7em;
        font-size: 1em;
        font-weight: bold;
        border-radius: 12px;
        box-shadow: 0 3px 16px rgba(255,153,0,0.13), 0 1.5px 3px rgba(0,0,0,0.08);
        cursor: pointer;
        overflow: hidden;
        transition: box-shadow 0.25s, transform 0.15s;
        animation: orange-glow 2.2s linear infinite;
        outline: none;
        text-decoration: none;
        display: inline-block;
        text-align: center;
    }
    .register-btn::before,
    .cta-btn::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -1;
        border-radius: 12px;
        background: inherit;
        filter: blur(12px) brightness(1.12);
        opacity: 0.7;
        transition: opacity 0.3s;
        animation: orange-glow 2.2s linear infinite;
    }
    .register-btn:hover, .cta-btn:hover {
        box-shadow: 0 8px 32px rgba(255,128,0,0.19), 0 1.5px 8px rgba(0,0,0,0.13);
        transform: translateY(-2px) scale(1.06);
    }
    .register-btn:hover::before, .cta-btn:hover::before {
        opacity: 1;
    }
    @keyframes orange-glow {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    /* Позиционирование кнопки в шапке */
    .register-btn {
        position: absolute;
        top: 50%;
        right: 20px;
        transform: translateY(-50%);
        font-size: 0.95em;
        z-index: 2;
    }

    /* Основной контейнер и контент */
    .container {
        max-width: 900px;
        margin: 20px auto;
        padding: 0 15px;
    }
    .content {
        background: white;
        padding: 25px;
        border-radius: 10px;
        box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    }
    .section {
        margin-bottom: 40px;
    }

    /* Заголовки */
    h1 {
        text-align: center;
        color: #1e1e2f;
        margin-bottom: 20px;
    }
    h2, h3 {
        color: #222;
        text-align: left;
        margin-top: 25px;
        border-bottom: 2px solid #ff9000;
        padding-bottom: 8px;
    }

    /* Изображения */
    img {
        display: block;
        margin: 20px auto;
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }
    .img-container {
        position: relative;
        margin: 30px 0;
    }

    /* Кнопки-призыв к действию */
    .cta-btn {
        display: block;
        margin: 10px auto 40px;
        text-align: center;
        text-decoration: none;
        width: fit-content;
    }

    /* Таблицы */
    table {
        border: 1.5px solid #ff9000;
        border-collapse: collapse;
        width: 100%;
        margin: 20px 0;
        max-width: 100%;
        background: #fff8f1;
        font-size: 1em;
        box-shadow: 0 2px 12px rgba(255,144,0,0.08);
    }
    th, td {
        border: 1px solid #ffd6a0;
        padding: 10px 8px;
        text-align: left;
        color: #2b1600;
    }
    th {
        background: linear-gradient(90deg, #ffd6a0 0%, #ff9000 100%);
        color: #643700;
        font-weight: 700;
    }
    tr:nth-child(even) {
        background: #fff0da;
    }
    tr:nth-child(odd) {
        background: #fff8f1;
    }

    /* Списки и параграфы */
    ul, ol {
        margin: 15px 0;
        padding-left: 30px;
    }
    p {
        margin: 15px 0;
    }

    /* Навигационное меню */
    .nav {
        background: #f0f0f0;
        padding: 15px;
        border-radius: 8px;
        margin: 20px 0;
    }
    .nav ul {
        list-style: none;
        padding: 0;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    .nav li {
        margin: 5px;
    }
    .nav a {
        color: #ff9000;
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s;
    }
    .nav a:hover {
        color: #ff6a00;
        text-decoration: underline;
    }

    /* Адаптивность */
    @media (max-width: 600px) {
        header .top {
            flex-direction: column;
            gap: 10px;
        }
        .register-btn {
            position: static;
            margin: 10px auto;
            display: block;
            transform: none;
            font-size: 0.95em;
            padding: 8px 16px;
        }
        table, th, td {
            font-size: 0.95em;
        }
        .nav ul {
            flex-direction: column;
            align-items: center;
        }
    }