/* CSS cho trang helo888 */
    :root {
        --page-helo888-primary-color: #e44d26; /* Màu cam đậm */
        --page-helo888-secondary-color: #ff7f50; /* Màu cam nhạt */
        --page-helo888-dark-bg: #1a1a1a;
        --page-helo888-light-text: #f0f0f0;
        --page-helo888-accent-color: #ffd700; /* Vàng gold */
        --page-helo888-text-color: #cccccc;
        --page-helo888-heading-color: #ffffff;
    }

    .page-helo888 {
        font-family: 'Arial', sans-serif;
        background-color: var(--page-helo888-dark-bg);
        color: var(--page-helo888-text-color);
        line-height: 1.6;
        overflow-x: hidden;
    }

    .page-helo888 a {
        color: var(--page-helo888-primary-color);
        text-decoration: none;
    }

    .page-helo888 a:hover {
        text-decoration: underline;
    }

    .page-helo888 h1, .page-helo888 h2, .page-helo888 h3 {
        color: var(--page-helo888-heading-color);
        margin-bottom: 1rem;
        text-align: center;
    }

    .page-helo888 h1 {
        font-size: 2.5rem;
        text-transform: uppercase;
        padding-top: 1.5rem;
    }

    .page-helo888 h2 {
        font-size: 2rem;
        border-bottom: 2px solid var(--page-helo888-primary-color);
        display: inline-block;
        padding-bottom: 0.5rem;
        margin-top: 2rem;
        margin-bottom: 1.5rem;
    }

    .page-helo888 h3 {
        font-size: 1.5rem;
        color: var(--page-helo888-accent-color);
    }

    /* Hero Section */
    .page-helo888-hero {
        position: relative;
        text-align: center;
        color: var(--page-helo888-light-text);
        padding-bottom: 2rem;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .page-helo888-hero-banner {
        width: 100%;
        max-height: 400px; /* Limit banner height for mobile */
        object-fit: cover;
        display: block;
        margin: 0 auto;
    }

    .page-helo888-hero-content {
        position: relative; /* Ensure text is above banner if layering */
        z-index: 1;
        padding: 1rem;
        max-width: 900px;
        margin: 0 auto;
    }

    .page-helo888-hero-content p {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
    }

    .page-helo888-btn {
        display: inline-block;
        background-color: var(--page-helo888-primary-color);
        color: var(--page-helo888-light-text);
        padding: 0.8rem 1.5rem;
        border-radius: 25px;
        text-transform: uppercase;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
        font-size: 1rem;
    }

    .page-helo888-btn:hover {
        background-color: var(--page-helo888-secondary-color);
        transform: translateY(-2px);
        text-decoration: none;
    }

    /* Section Styling */
    .page-helo888-section {
        padding: 2rem 1rem;
        max-width: 1200px;
        margin: 0 auto;
        text-align: center;
    }

    .page-helo888-section:nth-of-type(odd) {
        background-color: #222222;
    }

    .page-helo888-section:nth-of-type(even) {
        background-color: var(--page-helo888-dark-bg);
    }

    /* Game Categories / Product Display */
    .page-helo888-game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
        margin-top: 2rem;
    }

    .page-helo888-game-card {
        background-color: #2a2a2a;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 1rem;
    }

    .page-helo888-game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.5);
    }

    .page-helo888-game-card img {
        width: 100%;
        max-width: 120px;
        height: auto;
        border-radius: 5px;
        margin-bottom: 0.8rem;
    }

    .page-helo888-game-card h3 {
        font-size: 1.1rem;
        margin: 0;
        color: var(--page-helo888-accent-color);
    }

    /* Benefits List */
    .page-helo888-benefits-list {
        list-style: none;
        padding: 0;
        margin-top: 2rem;
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: left;
    }

    .page-helo888-benefits-list li {
        background-color: #2a2a2a;
        padding: 1rem;
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        display: flex;
        align-items: center;
        font-size: 1.05rem;
    }

    .page-helo888-benefits-list li::before {
        content: '✅';
        margin-right: 0.8rem;
        font-size: 1.2rem;
        color: var(--page-helo888-accent-color);
    }

    /* Promotions Section */
    .page-helo888-promotion-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .page-helo888-promotion-card {
        background-color: #2a2a2a;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
        overflow: hidden;
        text-align: left;
    }

    .page-helo888-promotion-card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
    }

    .page-helo888-promotion-card-content {
        padding: 1.5rem;
    }

    .page-helo888-promotion-card-content h3 {
        margin-top: 0;
        margin-bottom: 0.8rem;
        color: var(--page-helo888-primary-color);
        font-size: 1.3rem;
        text-align: left;
    }

    .page-helo888-promotion-card-content p {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    /* Floating Button */
    .page-helo888-floating-btn-wrapper {
        position: fixed;
        bottom: 20px;
        left: 0;
        width: 100%;
        display: flex;
        justify-content: center;
        z-index: 1000;
        pointer-events: none; /* Allow clicks to pass through wrapper */
    }

    .page-helo888-floating-btn {
        pointer-events: auto; /* Re-enable clicks for the button */
        background-color: var(--page-helo888-accent-color);
        color: var(--page-helo888-dark-bg);
        padding: 0.8rem 1.5rem;
        border-radius: 30px;
        font-weight: bold;
        text-transform: uppercase;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        transition: background-color 0.3s ease, transform 0.2s ease;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 1.1rem;
        border: 2px solid var(--page-helo888-primary-color);
    }

    .page-helo888-floating-btn:hover {
        background-color: #f0c000;
        transform: scale(1.05);
        text-decoration: none;
    }

    .page-helo888-floating-btn .icon {
        font-size: 1.4rem;
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
        .page-helo888 h1 {
            font-size: 3.5rem;
        }
        .page-helo888 h2 {
            font-size: 2.5rem;
        }
        .page-helo888-hero-banner {
            max-height: 500px;
        }
        .page-helo888-game-grid {
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        }
        .page-helo888-benefits-list {
            grid-template-columns: repeat(2, 1fr);
        }
        .page-helo888-floating-btn-wrapper {
            bottom: 30px;
        }
    }

    @media (min-width: 1024px) {
        .page-helo888 h1 {
            font-size: 4rem;
        }
        .page-helo888-game-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
        .page-helo888-benefits-list {
            grid-template-columns: repeat(3, 1fr);
        }
    }