:root {
        --page-primary-color: #e44d26; /* Màu cam/đỏ rực rỡ cho trang cá cược */
        --page-secondary-color: #333; /* Màu đen đậm */
        --page-accent-color: #f7b100; /* Màu vàng/kim loại cho điểm nhấn */
        --page-background-color: #f0f2f5; /* Màu nền nhẹ nhàng */
        --page-text-color: #333; /* Màu chữ chính */
        --page-light-text-color: #fff; /* Màu chữ sáng */
        --page-border-radius: 8px;
        --page-spacing-sm: 10px;
        --page-spacing-md: 20px;
        --page-spacing-lg: 40px;
        --page-max-width: 1200px;
    }

    .page-13win-vip {
        font-family: 'Arial', sans-serif;
        line-height: 1.6;
        color: var(--page-text-color);
        background-color: var(--page-background-color);
        padding-bottom: 80px; /* Khoảng trống cho các nút nổi */
        position: relative;
    }

    .page-13win-vip__section {
        padding: var(--page-spacing-lg) var(--page-spacing-md);
        margin: 0 auto;
        max-width: var(--page-max-width);
        box-sizing: border-box;
    }

    .page-13win-vip__section--dark {
        background-color: var(--page-secondary-color);
        color: var(--page-light-text-color);
    }

    .page-13win-vip__heading {
        text-align: center;
        color: var(--page-primary-color);
        margin-bottom: var(--page-spacing-lg);
        font-size: 2.5rem;
        font-weight: bold;
    }

    .page-13win-vip__heading--light {
        color: var(--page-light-text-color);
    }

    .page-13win-vip__subheading {
        text-align: center;
        color: var(--page-text-color);
        margin-bottom: var(--page-spacing-md);
        font-size: 1.8rem;
    }

    .page-13win-vip__paragraph {
        text-align: center;
        margin-bottom: var(--page-spacing-md);
        font-size: 1.1rem;
    }
    
    .page-13win-vip__paragraph--light {
        color: var(--page-light-text-color);
    }

    /* Hero Section */
    .page-13win-vip__hero-section {
        position: relative;
        background: url('[GALLERY:hero:1920x1080:betting,casino,mobile]') no-repeat center center/cover;
        color: var(--page-light-text-color);
        text-align: center;
        padding: 10px var(--page-spacing-md) 100px; /* Padding trên nhỏ, padding dưới lớn hơn */
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        min-height: 500px; /* Đảm bảo chiều cao đủ */
        box-sizing: border-box;
    }

    .page-13win-vip__hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 1;
    }

    .page-13win-vip__hero-content {
        position: relative;
        z-index: 2;
        max-width: 800px;
        margin: 0 auto;
    }

    .page-13win-vip__hero-title {
        font-size: 3.5rem;
        margin-bottom: var(--page-spacing-sm);
        line-height: 1.2;
        color: var(--page-accent-color);
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-13win-vip__hero-description {
        font-size: 1.3rem;
        margin-bottom: var(--page-spacing-md);
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-13win-vip__hero-button {
        display: inline-block;
        background-color: var(--page-primary-color);
        color: var(--page-light-text-color);
        padding: var(--page-spacing-sm) var(--page-spacing-md);
        border-radius: var(--page-border-radius);
        font-size: 1.2rem;
        font-weight: bold;
        text-decoration: none;
        transition: background-color 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .page-13win-vip__hero-button:hover {
        background-color: #c0392b;
    }

    /* Floating Buttons */
    .page-13win-vip__floating-buttons {
        position: fixed;
        bottom: var(--page-spacing-md);
        right: var(--page-spacing-md);
        display: flex;
        flex-direction: column;
        gap: var(--page-spacing-sm);
        z-index: 1000;
    }

    .page-13win-vip__floating-button {
        background-color: var(--page-primary-color);
        color: var(--page-light-text-color);
        padding: var(--page-spacing-sm) var(--page-spacing-md);
        border-radius: 50px;
        font-size: 1.1rem;
        font-weight: bold;
        text-align: center;
        cursor: pointer;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        min-width: 120px;
    }

    .page-13win-vip__floating-button:hover {
        background-color: #c0392b;
        transform: translateY(-2px);
    }

    .page-13win-vip__floating-button--secondary {
        background-color: var(--page-accent-color);
        color: var(--page-secondary-color);
    }

    .page-13win-vip__floating-button--secondary:hover {
        background-color: #e0a000;
    }

    /* About Section */
    .page-13win-vip__about-content {
        text-align: center;
        max-width: 900px;
        margin: 0 auto;
    }

    .page-13win-vip__about-text {
        font-size: 1.1rem;
        margin-bottom: var(--page-spacing-md);
    }

    /* Game Categories Section */
    .page-13win-vip__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--page-spacing-md);
        justify-items: center;
    }

    .page-13win-vip__game-card {
        background-color: #fff;
        border-radius: var(--page-border-radius);
        overflow: hidden;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        width: 100%;
        max-width: 300px; /* Chiều rộng tối đa cho từng thẻ */
        box-sizing: border-box;
    }

    .page-13win-vip__game-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
    }

    .page-13win-vip__game-card-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        display: block;
        margin: 0 auto; /* Căn giữa hình ảnh */
    }

    .page-13win-vip__game-card-title {
        font-size: 1.4rem;
        font-weight: bold;
        padding: var(--page-spacing-sm);
        color: var(--page-secondary-color);
    }

    /* Promotions Section */
    .page-13win-vip__promotion-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--page-spacing-md);
        justify-items: center;
    }

    .page-13win-vip__promotion-card {
        background-color: #fff;
        border-radius: var(--page-border-radius);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        padding: var(--page-spacing-md);
        text-align: center;
        transition: transform 0.3s ease;
        width: 100%;
        max-width: 400px;
        box-sizing: border-box;
    }

    .page-13win-vip__promotion-card:hover {
        transform: translateY(-5px);
    }

    .page-13win-vip__promotion-title {
        font-size: 1.5rem;
        color: var(--page-primary-color);
        margin-bottom: var(--page-spacing-sm);
    }

    .page-13win-vip__promotion-description {
        font-size: 1rem;
        color: var(--page-text-color);
        margin-bottom: var(--page-spacing-md);
    }

    .page-13win-vip__promotion-link {
        color: var(--page-accent-color);
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s ease;
    }

    .page-13win-vip__promotion-link:hover {
        color: var(--page-primary-color);
    }

    /* Providers & Payments Section */
    .page-13win-vip__logo-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--page-spacing-md);
        margin-top: var(--page-spacing-md);
    }

    .page-13win-vip__logo-item {
        background-color: #fff;
        border-radius: var(--page-border-radius);
        padding: var(--page-spacing-sm);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        min-width: 150px; /* Đảm bảo kích thước tối thiểu cho item chứa logo */
        height: 80px;
        box-sizing: border-box;
    }

    .page-13win-vip__logo-image {
        max-width: 100%;
        max-height: 60px; /* Giữ tỷ lệ cho logo */
        object-fit: contain;
        display: block;
    }
    
    /* Why Choose Us Section */
    .page-13win-vip__features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--page-spacing-md);
        margin-top: var(--page-spacing-md);
    }

    .page-13win-vip__feature-card {
        background-color: #fff;
        border-radius: var(--page-border-radius);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        padding: var(--page-spacing-md);
        text-align: center;
        box-sizing: border-box;
    }

    .page-13win-vip__feature-icon {
        width: 80px; /* Kích thước icon hiển thị */
        height: 80px;
        margin: 0 auto var(--page-spacing-sm); /* Căn giữa và khoảng cách */
        display: block;
        object-fit: contain;
    }

    .page-13win-vip__feature-title {
        font-size: 1.3rem;
        color: var(--page-primary-color);
        margin-bottom: var(--page-spacing-sm);
    }

    .page-13win-vip__feature-description {
        font-size: 1rem;
        color: var(--page-text-color);
    }

    /* FAQ Section */
    .page-13win-vip__faq-section {
        background-color: #fff;
        border-radius: var(--page-border-radius);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        padding: var(--page-spacing-md);
    }

    .page-13win-vip__faq-item {
        border-bottom: 1px solid #eee;
        margin-bottom: var(--page-spacing-sm);
    }

    .page-13win-vip__faq-item:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }

    .page-13win-vip__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--page-spacing-sm) 0;
        cursor: pointer;
        user-select: none;
        font-size: 1.1rem;
        font-weight: bold;
        color: var(--page-secondary-color);
    }

    .page-13win-vip__faq-question:hover {
        color: var(--page-primary-color);
    }
    
    .page-13win-vip__faq-question h3 {
        margin: 0;
        flex-grow: 1;
        text-align: left;
        pointer-events: none; /* Ngăn h3 chặn sự kiện click trên div cha */
        font-size: 1.1rem; /* Đảm bảo kích thước font nhất quán */
    }

    .page-13win-vip__faq-toggle {
        font-size: 1.5rem;
        line-height: 1;
        margin-left: var(--page-spacing-sm);
        transition: transform 0.3s ease;
        pointer-events: none; /* Ngăn toggle chặn sự kiện click trên div cha */
    }

    .page-13win-vip__faq-item.active .page-13win-vip__faq-toggle {
        transform: rotate(45deg); /* Thay đổi '+' thành 'x' về mặt hình ảnh */
    }

    .page-13win-vip__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 15px; /* Padding ban đầu theo yêu cầu */
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: var(--page-text-color);
        font-size: 1rem;
    }

    .page-13win-vip__faq-item.active .page-13win-vip__faq-answer {
        max-height: 2000px !important; /* Đủ lớn để hiển thị nội dung */
        padding: 20px 15px !important; /* Padding bắt buộc cho trạng thái active */
        opacity: 1;
    }

    /* Call to Action Section */
    .page-13win-vip__cta-section {
        text-align: center;
        background-color: var(--page-primary-color);
        color: var(--page-light-text-color);
        padding: var(--page-spacing-lg) var(--page-spacing-md);
        border-radius: var(--page-border-radius);
        margin: var(--page-spacing-lg) auto;
        max-width: var(--page-max-width);
    }

    .page-13win-vip__cta-title {
        font-size: 2.2rem;
        margin-bottom: var(--page-spacing-md);
        color: var(--page-accent-color);
    }

    .page-13win-vip__cta-description {
        font-size: 1.2rem;
        margin-bottom: var(--page-spacing-lg);
    }

    .page-13win-vip__cta-button {
        display: inline-block;
        background-color: var(--page-accent-color);
        color: var(--page-secondary-color);
        padding: var(--page-spacing-sm) var(--page-spacing-md);
        border-radius: var(--page-border-radius);
        font-size: 1.2rem;
        font-weight: bold;
        text-decoration: none;
        transition: background-color 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .page-13win-vip__cta-button:hover {
        background-color: #e0a000;
    }
    
    .page-13win-vip__external-link {
        display: block;
        text-align: center;
        margin-top: var(--page-spacing-md);
        font-size: 1rem;
        color: var(--page-accent-color); /* Đổi màu để tương phản tốt hơn trên nền đỏ */
        text-decoration: underline;
    }

    .page-13win-vip__external-link:hover {
        color: var(--page-light-text-color);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
        .page-13win-vip__hero-title {
            font-size: 2.5rem;
        }

        .page-13win-vip__hero-description {
            font-size: 1.1rem;
        }

        .page-13win-vip__heading {
            font-size: 2rem;
        }

        .page-13win-vip__subheading {
            font-size: 1.5rem;
        }

        .page-13win-vip__paragraph {
            font-size: 1rem;
        }

        .page-13win-vip__section {
            padding: var(--page-spacing-md) var(--page-spacing-sm);
        }

        .page-13win-vip__floating-buttons {
            flex-direction: row;
            width: calc(100% - 2 * var(--page-spacing-sm));
            bottom: var(--page-spacing-sm);
            right: var(--page-spacing-sm);
            left: var(--page-spacing-sm);
            justify-content: space-around;
        }

        .page-13win-vip__floating-button {
            flex: 1;
            min-width: unset;
            padding: 10px 15px;
            font-size: 1rem;
        }

        .page-13win-vip__game-grid,
        .page-13win-vip__promotion-grid,
        .page-13win-vip__features-grid {
            grid-template-columns: 1fr;
        }

        .page-13win-vip__game-card,
        .page-13win-vip__promotion-card,
        .page-13win-vip__feature-card {
            max-width: 100%;
            width: 100% !important; /* Yêu cầu cho item danh sách */
            box-sizing: border-box !important; /* Yêu cầu cho item danh sách */
            margin-left: 0 !important; /* Yêu cầu cho item danh sách */
            margin-right: 0 !important; /* Yêu cầu cho item danh sách */
            word-wrap: break-word !important; /* Yêu cầu ngắt từ */
            overflow-wrap: break-word !important; /* Yêu cầu ngắt từ */
            word-break: break-word !important; /* Ngắt từ cho từ khóa dài */
        }

        /* Đảm bảo hình ảnh phản hồi */
        .page-13win-vip__game-card-image,
        .page-13win-vip__logo-image,
        .page-13win-vip__feature-icon {
            max-width: 100% !important;
            height: auto !important;
        }
        .page-13win-vip__logo-item {
            min-width: 120px; /* Điều chỉnh cho màn hình nhỏ hơn */
            width: calc(50% - var(--page-spacing-md) / 2); /* Hai item mỗi hàng */
            box-sizing: border-box !important;
        }

        .page-13win-vip__cta-title {
            font-size: 1.8rem;
        }

        .page-13win-vip__cta-description {
            font-size: 1.1rem;
        }
        
        .page-13win-vip__faq-question {
            font-size: 1rem;
        }
        .page-13win-vip__faq-question h3 {
            font-size: 1rem;
        }
        .page-13win-vip__faq-answer {
            font-size: 0.95rem;
        }
        .page-13win-vip__faq-item.active .page-13win-vip__faq-answer {
            padding: 15px 15px !important; /* Giảm nhẹ padding trên di động */
        }
    }

    @media (max-width: 480px) {
        .page-13win-vip__hero-title {
            font-size: 2rem;
        }
        .page-13win-vip__floating-buttons {
            gap: calc(var(--page-spacing-sm) / 2);
        }
        .page-13win-vip__floating-button {
            font-size: 0.9rem;
            padding: 8px 10px;
        }
    }