:root {
        --primary-color: #ffcc00; /* Vàng rực rỡ */
        --secondary-color: #007bff; /* Xanh dương */
        --dark-bg-color: #1a1a1a; /* Nền tối */
        --light-text-color: #f0f0f0; /* Chữ sáng */
        --gray-text-color: #cccccc; /* Chữ xám */
        --border-color: #333333; /* Màu viền */
        --accent-color: #e6b800; /* Màu nhấn */
    }

    .page-39bet-ang-nh-p {
        font-family: 'Arial', sans-serif;
        color: var(--light-text-color);
        background-color: var(--dark-bg-color);
        line-height: 1.6;
        padding-top: 10px; /* Small padding top to avoid double header offset if body already has it */
    }

    .page-39bet-ang-nh-p__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .page-39bet-ang-nh-p__hero-section {
        position: relative;
        text-align: center;
        padding: 60px 0;
        background-color: #0d0d0d;
        overflow: hidden;
    }

    .page-39bet-ang-nh-p__hero-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.4;
        z-index: 0;
    }
    .page-39bet-ang-nh-p__hero-image img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .page-39bet-ang-nh-p__hero-content {
        position: relative;
        z-index: 1;
        max-width: 800px;
        margin: 0 auto;
        padding: 20px;
    }

    .page-39bet-ang-nh-p__hero-title {
        color: var(--primary-color);
        font-size: 2.8em;
        margin-bottom: 20px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        line-height: 1.2;
    }

    .page-39bet-ang-nh-p__hero-description {
        font-size: 1.2em;
        margin-bottom: 30px;
        color: var(--gray-text-color);
    }

    .page-39bet-ang-nh-p__button-group {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }

    .page-39bet-ang-nh-p__button {
        background-color: var(--primary-color);
        color: var(--dark-bg-color);
        padding: 15px 30px;
        border: none;
        border-radius: 8px;
        font-size: 1.1em;
        font-weight: bold;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-decoration: none;
        display: inline-block;
        text-align: center;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-39bet-ang-nh-p__button:hover {
        background-color: var(--accent-color);
        transform: translateY(-3px);
    }
    
    .page-39bet-ang-nh-p__button--secondary {
        background-color: var(--secondary-color);
        color: var(--light-text-color);
    }

    .page-39bet-ang-nh-p__button--secondary:hover {
        background-color: #0056b3;
    }

    .page-39bet-ang-nh-p__section {
        padding: 60px 0;
        text-align: center;
        background-color: #121212;
        margin-bottom: 20px;
        border-radius: 10px;
    }

    .page-39bet-ang-nh-p__section:nth-of-type(even) {
        background-color: var(--dark-bg-color);
    }

    .page-39bet-ang-nh-p__section-title {
        color: var(--primary-color);
        font-size: 2.2em;
        margin-bottom: 40px;
        position: relative;
        display: inline-block;
    }

    .page-39bet-ang-nh-p__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: -10px;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--secondary-color);
        border-radius: 2px;
    }

    .page-39bet-ang-nh-p__features-grid,
    .page-39bet-ang-nh-p__games-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 40px;
    }

    .page-39bet-ang-nh-p__feature-item,
    .page-39bet-ang-nh-p__game-card {
        background-color: #2a2a2a;
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: left;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        box-sizing: border-box; /* Crucial for list items */
    }

    .page-39bet-ang-nh-p__feature-item:hover,
    .page-39bet-ang-nh-p__game-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    }

    .page-39bet-ang-nh-p__feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
        color: var(--primary-color);
        font-size: 3em;
        display: block;
        text-align: center;
    }
    .page-39bet-ang-nh-p__feature-icon img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .page-39bet-ang-nh-p__feature-title,
    .page-39bet-ang-nh-p__game-title {
        color: var(--primary-color);
        font-size: 1.5em;
        margin-bottom: 15px;
        text-align: center;
    }

    .page-39bet-ang-nh-p__feature-description,
    .page-39bet-ang-nh-p__game-description {
        color: var(--gray-text-color);
        font-size: 1em;
        text-align: center;
    }

    .page-39bet-ang-nh-p__game-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        border-radius: 8px;
        margin-bottom: 15px;
        display: block;
    }
    .page-39bet-ang-nh-p__game-image img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .page-39bet-ang-nh-p__promotion-card {
        background-color: #2a2a2a;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
        text-align: left;
        transition: transform 0.3s ease;
        display: flex;
        flex-direction: column;
        height: 100%;
        box-sizing: border-box; /* Crucial for list items */
    }

    .page-39bet-ang-nh-p__promotion-card:hover {
        transform: translateY(-8px);
    }

    .page-39bet-ang-nh-p__promotion-image {
        width: 100%;
        height: 220px;
        object-fit: cover;
        display: block;
    }
    .page-39bet-ang-nh-p__promotion-image img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    .page-39bet-ang-nh-p__promotion-content {
        padding: 25px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-39bet-ang-nh-p__promotion-title {
        color: var(--primary-color);
        font-size: 1.4em;
        margin-bottom: 10px;
    }

    .page-39bet-ang-nh-p__promotion-description {
        color: var(--gray-text-color);
        font-size: 0.95em;
        margin-bottom: 20px;
    }

    .page-39bet-ang-nh-p__promotion-button {
        background-color: var(--secondary-color);
        color: var(--light-text-color);
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        font-size: 0.9em;
        font-weight: bold;
        cursor: pointer;
        transition: background-color 0.3s ease;
        text-align: center;
        display: block;
        width: fit-content;
    }

    .page-39bet-ang-nh-p__promotion-button:hover {
        background-color: #0056b3;
    }

    .page-39bet-ang-nh-p__faq-section {
        padding: 60px 0;
        background-color: var(--dark-bg-color);
        text-align: center;
    }

    .page-39bet-ang-nh-p__faq-list {
        max-width: 800px;
        margin: 40px auto 0;
        text-align: left;
    }

    .page-39bet-ang-nh-p__faq-item {
        background-color: #2a2a2a;
        margin-bottom: 15px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        box-sizing: border-box; /* Crucial for list items */
    }

    .page-39bet-ang-nh-p__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        background-color: #333333;
        color: var(--primary-color);
        font-size: 1.1em;
        font-weight: bold;
        cursor: pointer;
        user-select: none;
        border-bottom: 1px solid #444444;
        transition: background-color 0.3s ease;
    }

    .page-39bet-ang-nh-p__faq-question:hover {
        background-color: #444444;
    }

    .page-39bet-ang-nh-p__faq-question h3 {
        margin: 0;
        color: inherit;
        font-size: 1.1em;
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-39bet-ang-nh-p__faq-toggle {
        font-size: 1.5em;
        font-weight: bold;
        color: var(--secondary-color);
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-39bet-ang-nh-p__faq-item.active .page-39bet-ang-nh-p__faq-toggle {
        transform: rotate(45deg); /* Change + to X or similar, or just rotate */
        color: var(--primary-color);
    }

    .page-39bet-ang-nh-p__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        color: var(--gray-text-color);
        font-size: 0.95em;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        opacity: 0;
    }

    .page-39bet-ang-nh-p__faq-item.active .page-39bet-ang-nh-p__faq-answer {
        max-height: 2000px !important; /* Sufficiently large to show all content */
        padding: 20px 25px !important;
        opacity: 1;
    }

    .page-39bet-ang-nh-p__floating-buttons {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-39bet-ang-nh-p__floating-button {
        background-color: var(--primary-color);
        color: var(--dark-bg-color);
        padding: 12px 25px;
        border: none;
        border-radius: 50px;
        font-size: 1em;
        font-weight: bold;
        cursor: pointer;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        transition: background-color 0.3s ease, transform 0.2s ease;
        text-align: center;
        min-width: 120px;
    }

    .page-39bet-ang-nh-p__floating-button:hover {
        background-color: var(--accent-color);
        transform: translateY(-3px);
    }
    
    .page-39bet-ang-nh-p__floating-button--login {
        background-color: var(--secondary-color);
        color: var(--light-text-color);
    }
    .page-39bet-ang-nh-p__floating-button--login:hover {
        background-color: #0056b3;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
        .page-39bet-ang-nh-p__hero-section {
            padding: 40px 0;
        }

        .page-39bet-ang-nh-p__hero-title {
            font-size: 2em;
        }

        .page-39bet-ang-nh-p__hero-description {
            font-size: 1em;
        }

        .page-39bet-ang-nh-p__button {
            padding: 12px 20px;
            font-size: 1em;
            width: 100%;
            max-width: 250px;
        }
        .page-39bet-ang-nh-p__button-group {
            flex-direction: column;
            align-items: center;
        }

        .page-39bet-ang-nh-p__section {
            padding: 40px 0;
        }

        .page-39bet-ang-nh-p__section-title {
            font-size: 1.8em;
        }

        .page-39bet-ang-nh-p__features-grid,
        .page-39bet-ang-nh-p__games-grid {
            grid-template-columns: 1fr;
        }

        .page-39bet-ang-nh-p__feature-item,
        .page-39bet-ang-nh-p__game-card,
        .page-39bet-ang-nh-p__promotion-card {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 20px;
            margin-left: 0 !important;
            margin-right: 0 !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }
        .page-39bet-ang-nh-p__feature-item p,
        .page-39bet-ang-nh-p__game-card p,
        .page-39bet-ang-nh-p__promotion-card p {
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-39bet-ang-nh-p__faq-list {
            padding: 0 10px;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }
        .page-39bet-ang-nh-p__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
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            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
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        .page-39bet-ang-nh-p__faq-item p {
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-39bet-ang-nh-p__faq-question {
            padding: 15px 20px;
            font-size: 1em;
        }
        .page-39bet-ang-nh-p__faq-question h3 {
            font-size: 1em;
        }

        .page-39bet-ang-nh-p__faq-answer {
            padding: 15px 20px;
        }
        .page-39bet-ang-nh-p__faq-item.active .page-39bet-ang-nh-p__faq-answer {
            padding: 15px 20px !important;
        }

        .page-39bet-ang-nh-p__floating-buttons {
            bottom: 15px;
            right: 15px;
            gap: 8px;
        }
        .page-39bet-ang-nh-p__floating-button {
            padding: 10px 20px;
            font-size: 0.9em;
            min-width: 100px;
        }
    }

    @media (max-width: 480px) {
        .page-39bet-ang-nh-p__hero-title {
            font-size: 1.8em;
        }
        .page-39bet-ang-nh-p__section-title {
            font-size: 1.6em;
        }
    }