:root {
        --primary-color: #e44d26; /* Cam đỏ */
        --secondary-color: #333;
        --accent-color: #f7b731; /* Vàng cam */
        --text-color: #eee;
        --dark-bg: #1a1a1a;
        --light-bg: #2a2a2a;
        --border-color: #444;
    }

    body {
        font-family: 'Arial', sans-serif;
        line-height: 1.6;
        color: var(--text-color);
        background-color: var(--dark-bg);
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    .page-66bet {
        max-width: 1200px;
        margin: 0 auto;
        padding: 10px; /* Small padding as body already handles header offset */
    }

    .page-66bet__section {
        padding: 40px 15px;
        margin-bottom: 30px;
        background-color: var(--light-bg);
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        text-align: center;
    }

    .page-66bet__section:last-of-type {
        margin-bottom: 0;
    }

    .page-66bet__heading {
        color: var(--accent-color);
        font-size: 2.5em;
        margin-bottom: 20px;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-66bet__subheading {
        color: var(--primary-color);
        font-size: 1.8em;
        margin-bottom: 15px;
    }

    .page-66bet__text {
        font-size: 1.1em;
        margin-bottom: 20px;
        color: #ccc;
    }

    /* Hero Section */
    .page-66bet__hero-section {
        background: linear-gradient(135deg, var(--dark-bg) 0%, #3a1c0b 100%);
        padding: 60px 15px;
        border-radius: 0;
        box-shadow: none;
        margin-bottom: 0; /* No margin-bottom for hero */
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 400px;
        position: relative;
        overflow: hidden;
        padding-top: 10px; /* Small padding-top as body handles header offset */
    }

    .page-66bet__hero-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.3;
        z-index: 0;
    }

    .page-66bet__hero-content {
        position: relative;
        z-index: 1;
        max-width: 800px;
        margin: 0 auto;
    }

    .page-66bet__hero-heading {
        font-size: 3.5em;
        color: #fff;
        margin-bottom: 15px;
        text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
    }

    .page-66bet__hero-slogan {
        font-size: 1.5em;
        color: var(--accent-color);
        margin-bottom: 30px;
        font-weight: normal;
    }

    .page-66bet__button-group {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .page-66bet__button {
        background-color: var(--primary-color);
        color: #fff;
        padding: 15px 30px;
        border: none;
        border-radius: 5px;
        font-size: 1.1em;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: inline-block;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    }

    .page-66bet__button:hover {
        background-color: #ff6f40;
        transform: translateY(-2px);
    }

    .page-66bet__button--secondary {
        background-color: var(--secondary-color);
    }

    .page-66bet__button--secondary:hover {
        background-color: #555;
    }

    /* Floating Buttons */
    .page-66bet__floating-buttons {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-66bet__floating-button {
        background-color: var(--primary-color);
        color: #fff;
        padding: 12px 20px;
        border-radius: 30px;
        font-size: 1em;
        font-weight: bold;
        text-decoration: none;
        text-align: center;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        transition: background-color 0.3s ease, transform 0.2s ease;
        min-width: 100px;
    }

    .page-66bet__floating-button:hover {
        background-color: #ff6f40;
        transform: scale(1.05);
    }

    .page-66bet__floating-button--register {
        background-color: var(--accent-color);
    }

    .page-66bet__floating-button--register:hover {
        background-color: #fdd835;
    }

    /* Product Cards */
    .page-66bet__product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-66bet__product-card {
        background-color: #3a3a3a;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding-bottom: 20px;
    }

    .page-66bet__product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    }

    .page-66bet__product-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-bottom: 3px solid var(--primary-color);
    }

    .page-66bet__product-title {
        color: var(--accent-color);
        font-size: 1.5em;
        margin: 20px 15px 10px;
    }

    .page-66bet__product-description {
        color: #bbb;
        font-size: 0.95em;
        padding: 0 15px;
    }

    /* Features List */
    .page-66bet__feature-list {
        list-style: none;
        padding: 0;
        margin: 30px auto 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
        max-width: 900px;
    }

    .page-66bet__feature-item {
        background-color: #3a3a3a;
        padding: 25px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: 15px;
        box-sizing: border-box; /* Crucial for responsive lists */
    }

    .page-66bet__feature-item::before {
        content: '✓';
        color: var(--accent-color);
        font-size: 1.5em;
        line-height: 1;
        margin-right: 10px;
        flex-shrink: 0;
    }

    .page-66bet__feature-title {
        color: var(--primary-color);
        font-size: 1.3em;
        margin-top: 0;
        margin-bottom: 5px;
    }

    .page-66bet__feature-description {
        color: #bbb;
        font-size: 0.95em;
        margin-bottom: 0;
    }

    /* Partners & Payments */
    .page-66bet__logo-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
        margin-top: 30px;
        justify-items: center;
        align-items: center;
    }

    .page-66bet__logo-item {
        background-color: #444;
        padding: 15px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100px;
        width: 100%;
        max-width: 200px;
        box-sizing: border-box;
    }

    .page-66bet__logo-image {
        max-width: 100%;
        max-height: 80px;
        height: auto;
        object-fit: contain;
    }

    /* FAQ Section */
    .page-66bet__faq-section {
        text-align: left;
    }

    .page-66bet__faq-item {
        background-color: #3a3a3a;
        margin-bottom: 15px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-66bet__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 25px;
        cursor: pointer;
        background-color: #444;
        color: var(--accent-color);
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease;
        user-select: none;
    }

    .page-66bet__faq-question:hover {
        background-color: #555;
    }

    .page-66bet__faq-question h3 {
        margin: 0;
        color: inherit;
        font-size: 1em; /* Adjust to match parent font-size */
        pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-66bet__faq-toggle {
        font-size: 1.5em;
        line-height: 1;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-66bet__faq-item.active .page-66bet__faq-toggle {
        transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-66bet__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        background-color: #3a3a3a;
        color: #ccc;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
    }

    .page-66bet__faq-item.active .page-66bet__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }

    /* Call to Action Section */
    .page-66bet__cta-section {
        background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
        color: #fff;
        padding: 50px 15px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .page-66bet__cta-heading {
        color: #fff;
        font-size: 2.8em;
        margin-bottom: 20px;
        text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-66bet {
            padding: 5px;
        }

        .page-66bet__section {
            padding: 30px 10px;
            margin-bottom: 20px;
        }

        .page-66bet__heading {
            font-size: 2em;
        }

        .page-66bet__subheading {
            font-size: 1.5em;
        }

        .page-66bet__hero-heading {
            font-size: 2.5em;
        }

        .page-66bet__hero-slogan {
            font-size: 1.2em;
        }

        .page-66bet__button-group {
            flex-direction: column;
            gap: 15px;
        }

        .page-66bet__button {
            width: 100%;
            max-width: 300px;
            margin: 0 auto;
            padding: 12px 20px;
            font-size: 1em;
        }

        .page-66bet__floating-buttons {
            bottom: 15px;
            right: 15px;
            flex-direction: row; /* Display side-by-side on mobile */
            width: calc(100% - 30px);
            justify-content: center;
            gap: 8px;
        }

        .page-66bet__floating-button {
            flex: 1;
            padding: 10px 15px;
            font-size: 0.9em;
            min-width: unset;
        }

        .page-66bet__product-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .page-66bet__feature-list {
            grid-template-columns: 1fr;
            gap: 15px;
            width: 100% !important;
            max-width: 100% !important;
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            box-sizing: border-box !important;
        }

        .page-66bet__feature-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 20px 15px !important; /* Adjust padding for mobile */
            margin-left: 0 !important;
            margin-right: 0 !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-66bet__logo-grid {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 15px;
        }

        .page-66bet__logo-item {
            padding: 10px;
            min-height: 80px;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
        }
        
        .page-66bet__faq-question {
            padding: 15px 20px;
            font-size: 1.1em;
        }

        .page-66bet__faq-answer {
            padding: 0 20px;
        }
        .page-66bet__faq-item.active .page-66bet__faq-answer {
            padding: 15px 20px !important;
        }

        .page-66bet__cta-heading {
            font-size: 2em;
        }
    }
    
    @media (max-width: 480px) {
        .page-66bet__hero-heading {
            font-size: 2em;
        }
        .page-66bet__hero-slogan {
            font-size: 1em;
        }
        .page-66bet__floating-buttons {
            right: 10px;
            left: 10px;
            width: calc(100% - 20px);
        }
    }