/* CSS cho trang 3win nổ hũ */
    :root {
        --primary-color: #ffcc00; /* Vàng rực rỡ */
        --secondary-color: #333333; /* Xám đậm */
        --accent-color: #e44d26; /* Cam đỏ */
        --background-dark: #1a1a1a; /* Nền tối */
        --background-light: #ffffff; /* Nền sáng */
        --text-dark: #333333;
        --text-light: #ffffff;
        --border-color: #444444;
        --button-hover: #ffdb4d;
    }

    body {
        font-family: 'Arial', sans-serif;
        line-height: 1.6;
        color: var(--text-dark);
        background-color: var(--background-dark);
    }

    .page-3win-n-h {
        background-color: var(--background-dark);
        color: var(--text-light);
    }

    .page-3win-n-h__section {
        padding: 40px 20px;
        max-width: 1200px;
        margin: 0 auto;
        text-align: center;
    }

    .page-3win-n-h__section--light {
        background-color: var(--secondary-color);
        color: var(--text-light);
    }

    .page-3win-n-h__section-title {
        font-size: 2.5em;
        margin-bottom: 30px;
        color: var(--primary-color);
        text-transform: uppercase;
        font-weight: bold;
    }

    .page-3win-n-h__section-subtitle {
        font-size: 1.5em;
        margin-bottom: 20px;
        color: var(--primary-color);
    }

    .page-3win-n-h__text {
        font-size: 1.1em;
        margin-bottom: 20px;
        color: #ddd;
    }

    /* Hero Section */
    .page-3win-n-h__hero-section {
        position: relative;
        padding-top: 10px; /* Small padding, relying on body padding for header offset */
        height: 60vh;
        min-height: 400px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        text-align: center;
        background: linear-gradient(135deg, #0f0f0f, #333333);
    }

    .page-3win-n-h__hero-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.4;
        z-index: 0;
    }

    .page-3win-n-h__hero-content {
        position: relative;
        z-index: 1;
        max-width: 900px;
        padding: 20px;
        background-color: rgba(0, 0, 0, 0.5);
        border-radius: 10px;
    }

    .page-3win-n-h__hero-title {
        font-size: 3em;
        color: var(--primary-color);
        margin-bottom: 15px;
        line-height: 1.2;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-3win-n-h__hero-description {
        font-size: 1.3em;
        color: var(--text-light);
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-3win-n-h__cta-button {
        display: inline-block;
        background-color: var(--primary-color);
        color: var(--secondary-color);
        padding: 15px 30px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1.2em;
        transition: background-color 0.3s ease, transform 0.3s ease;
        border: none;
        cursor: pointer;
    }

    .page-3win-n-h__cta-button:hover {
        background-color: var(--button-hover);
        transform: translateY(-3px);
    }

    /* Product Display Section */
    .page-3win-n-h__product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        margin-top: 30px;
        text-align: center; /* Centering for grid items */
    }

    .page-3win-n-h__product-item {
        background-color: #2a2a2a;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center; /* Center content within item */
        justify-content: center; /* Center content vertically */
        padding-bottom: 20px;
    }

    .page-3win-n-h__product-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
    }

    .page-3win-n-h__product-image {
        width: 100%;
        height: 200px;
        object-fit: cover;
        margin-bottom: 15px;
        max-width: 100%;
        height: auto;
    }

    .page-3win-n-h__product-title {
        font-size: 1.4em;
        color: var(--primary-color);
        margin-bottom: 10px;
        padding: 0 15px;
    }

    .page-3win-n-h__product-description {
        font-size: 0.95em;
        color: #ccc;
        padding: 0 15px;
        margin-bottom: 15px;
    }

    /* Benefits Section */
    .page-3win-n-h__benefits-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-3win-n-h__benefit-item {
        background-color: #2a2a2a;
        padding: 25px;
        border-radius: 10px;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
        text-align: left;
    }

    .page-3win-n-h__benefit-icon {
        width: 100%; /* Make it responsive to container */
        max-width: 200px; /* Max size to control overall size, but source is 200x200 */
        height: auto;
        aspect-ratio: 1 / 1; /* Maintain aspect ratio */
        object-fit: contain;
        margin-bottom: 15px;
        filter: none; /* Ensure no color filters */
        display: block; /* To center with margin auto */
        margin-left: auto;
        margin-right: auto;
    }

    .page-3win-n-h__benefit-title {
        font-size: 1.3em;
        color: var(--primary-color);
        margin-bottom: 10px;
    }

    .page-3win-n-h__benefit-text {
        font-size: 1em;
        color: #ddd;
    }

    /* Steps Section */
    .page-3win-n-h__steps-list {
        list-style: none;
        padding: 0;
        margin-top: 30px;
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .page-3win-n-h__step-item {
        background-color: #2a2a2a;
        padding: 25px;
        border-radius: 10px;
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
        display: flex;
        align-items: center;
        text-align: left;
    }

    .page-3win-n-h__step-number {
        font-size: 2.5em;
        color: var(--primary-color);
        font-weight: bold;
        margin-right: 20px;
        min-width: 50px;
        text-align: center;
    }

    .page-3win-n-h__step-content h3 {
        font-size: 1.4em;
        color: var(--primary-color);
        margin-bottom: 5px;
    }

    .page-3win-n-h__step-content p {
        font-size: 1em;
        color: #ccc;
    }

    /* Floating Buttons */
    .page-3win-n-h__floating-buttons {
        position: fixed;
        bottom: 20px;
        right: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        z-index: 1000;
    }

    .page-3win-n-h__floating-button {
        background-color: var(--accent-color);
        color: var(--text-light);
        padding: 12px 20px;
        border-radius: 30px;
        text-decoration: none;
        font-weight: bold;
        font-size: 1em;
        text-align: center;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: background-color 0.3s ease, transform 0.3s ease;
    }

    .page-3win-n-h__floating-button--register {
        background-color: var(--primary-color);
        color: var(--secondary-color);
    }

    .page-3win-n-h__floating-button--register:hover {
        background-color: var(--button-hover);
        transform: translateY(-2px);
    }

    .page-3win-n-h__floating-button--login {
        background-color: var(--accent-color);
    }

    .page-3win-n-h__floating-button--login:hover {
        background-color: #d14120;
        transform: translateY(-2px);
    }

    /* FAQ Section */
    .page-3win-n-h__faq-container {
        max-width: 800px;
        margin: 30px auto;
        text-align: left;
    }

    .page-3win-n-h__faq-item {
        background-color: #2a2a2a;
        margin-bottom: 15px;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-3win-n-h__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 25px;
        background-color: #3a3a3a;
        color: var(--primary-color);
        font-size: 1.2em;
        font-weight: bold;
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-3win-n-h__faq-question:hover {
        background-color: #4a4a4a;
    }

    .page-3win-n-h__faq-question h3 {
        margin: 0;
        flex-grow: 1;
        color: var(--primary-color);
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-3win-n-h__faq-toggle {
        font-size: 1.5em;
        margin-left: 15px;
        min-width: 20px;
        text-align: center;
        pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

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

    .page-3win-n-h__faq-item.active .page-3win-n-h__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-3win-n-h__section {
            padding: 30px 15px;
        }

        .page-3win-n-h__section-title {
            font-size: 2em;
        }

        .page-3win-n-h__hero-title {
            font-size: 2.2em;
        }

        .page-3win-n-h__hero-description {
            font-size: 1em;
        }

        .page-3win-n-h__cta-button {
            padding: 12px 25px;
            font-size: 1em;
        }

        .page-3win-n-h__product-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .page-3win-n-h__product-item {
            padding-bottom: 15px;
        }

        .page-3win-n-h__product-image {
            height: 180px;
        }

        .page-3win-n-h__product-title {
            font-size: 1.2em;
        }

        .page-3win-n-h__benefits-grid {
            grid-template-columns: 1fr;
            gap: 20px;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-3win-n-h__benefit-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding: 15px !important; /* Adjust padding for smaller screens */
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-3win-n-h__steps-list {
            grid-template-columns: 1fr;
            gap: 20px;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-3win-n-h__step-item {
            flex-direction: column;
            text-align: center;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            padding: 15px !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-3win-n-h__step-number {
            margin-right: 0;
            margin-bottom: 10px;
        }

        .page-3win-n-h__floating-buttons {
            bottom: 15px;
            right: 15px;
            flex-direction: row;
            width: calc(100% - 30px);
            justify-content: space-around;
        }

        .page-3win-n-h__floating-button {
            flex: 1;
            margin: 0 5px;
            font-size: 0.9em;
            padding: 10px 15px;
        }

        .page-3win-n-h__faq-question {
            font-size: 1.1em;
            padding: 15px 20px;
        }

        .page-3win-n-h__faq-toggle {
            font-size: 1.3em;
            margin-left: 10px;
        }

        .page-3win-n-h__faq-answer {
            padding: 0 20px;
        }

        .page-3win-n-h__faq-item.active .page-3win-n-h__faq-answer {
            padding: 15px 20px !important;
        }
    }

    @media (max-width: 480px) {
        .page-3win-n-h__hero-title {
            font-size: 1.8em;
        }
        .page-3win-n-h__section-title {
            font-size: 1.8em;
        }
        .page-3win-n-h__floating-buttons {
            flex-direction: column;
            width: auto;
            right: 10px;
            left: 10px;
            bottom: 10px;
        }
        .page-3win-n-h__floating-button {
            margin: 0;
            width: 100%;
        }
    }