
    /* CSS for page-13-wi */
    :root {
        --page-13-wi-primary-color: #FFD700; /* Gold/Yellow for branding */
        --page-13-wi-secondary-color: #FF4500; /* Orange-red for accents */
        --page-13-wi-dark-bg: #1a1a2e; /* Dark background */
        --page-13-wi-dark-text: #E0E0E0; /* Light text on dark background */
        --page-13-wi-light-text: #FFFFFF; /* White text */
        --page-13-wi-accent-blue: #00BFFF; /* Bright blue for links/highlights */
        --page-13-wi-card-bg: #2a2a4a; /* Card background */
        --page-13-wi-border-color: #3f3f6f; /* Border color */
    }

    .page-13-wi {
        font-family: 'Arial', sans-serif;
        color: var(--page-13-wi-dark-text);
        background-color: var(--page-13-wi-dark-bg);
        line-height: 1.6;
        overflow-x: hidden; /* Prevent horizontal scroll */
    }

    /* Ensure body padding for fixed header is handled by shared.css.
       This section only adds a small top padding for aesthetics. */
    .page-13-wi__hero-section {
        position: relative;
        width: 100%;
        height: 60vh; /* Responsive height for hero */
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 10px 20px;
        box-sizing: border-box;
        overflow: hidden;
    }

    .page-13-wi__hero-background-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 1;
    }

    .page-13-wi__hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 2;
    }

    .page-13-wi__hero-content {
        position: relative;
        z-index: 3;
        max-width: 900px;
        margin: 0 auto;
        padding: 20px;
    }

    .page-13-wi__hero-title {
        font-size: 2.2em;
        color: var(--page-13-wi-primary-color);
        margin-bottom: 15px;
        line-height: 1.2;
    }

    .page-13-wi__hero-title strong {
        color: var(--page-13-wi-light-text);
    }

    .page-13-wi__hero-description {
        font-size: 1.1em;
        color: var(--page-13-wi-dark-text);
        margin-bottom: 30px;
    }

    .page-13-wi__cta-buttons {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    }

    .page-13-wi__cta-button {
        display: inline-block;
        padding: 12px 25px;
        border-radius: 8px;
        font-size: 1.1em;
        font-weight: bold;
        text-decoration: none;
        transition: background-color 0.3s ease, transform 0.2s ease;
        cursor: pointer;
        border: none;
    }

    .page-13-wi__cta-button--register {
        background-color: var(--page-13-wi-secondary-color);
        color: var(--page-13-wi-light-text);
    }

    .page-13-wi__cta-button--register:hover {
        background-color: #e63900;
        transform: translateY(-2px);
    }

    .page-13-wi__cta-button--login {
        background-color: var(--page-13-wi-primary-color);
        color: var(--page-13-wi-dark-bg);
    }

    .page-13-wi__cta-button--login:hover {
        background-color: #e6c200;
        transform: translateY(-2px);
    }

    .page-13-wi__section-title {
        font-size: 2em;
        color: var(--page-13-wi-primary-color);
        text-align: center;
        margin-bottom: 20px;
        padding-top: 40px;
    }

    .page-13-wi__section-title strong {
        color: var(--page-13-wi-light-text);
    }

    .page-13-wi__section-subtitle {
        font-size: 1.1em;
        color: var(--page-13-wi-dark-text);
        text-align: center;
        margin-bottom: 40px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        padding: 0 15px;
    }

    /* Products Section */
    .page-13-wi__products-section,
    .page-13-wi__promotions-section,
    .page-13-wi__about-section,
    .page-13-wi__faq-section,
    .page-13-wi__final-cta-section {
        padding: 60px 20px;
        max-width: 1200px;
        margin: 0 auto;
        box-sizing: border-box;
    }

    .page-13-wi__product-grid,
    .page-13-wi__promotion-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 30px;
        justify-content: center;
        align-items: stretch; /* Ensure cards have equal height */
    }

    .page-13-wi__product-item,
    .page-13-wi__promotion-card {
        background-color: var(--page-13-wi-card-bg);
        border-radius: 12px;
        overflow: hidden;
        text-align: center;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        box-sizing: border-box;
    }

    .page-13-wi__product-item:hover,
    .page-13-wi__promotion-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
    }

    .page-13-wi__product-image,
    .page-13-wi__promotion-image {
        width: 100%;
        height: 200px; /* Fixed height for consistent image display */
        object-fit: cover;
        border-bottom: 1px solid var(--page-13-wi-border-color);
        max-width: 100%; /* Responsive image */
        box-sizing: border-box; /* Responsive image */
    }

    .page-13-wi__product-name,
    .page-13-wi__promotion-title {
        font-size: 1.3em;
        color: var(--page-13-wi-primary-color);
        margin: 15px 10px 10px;
        padding: 0;
        flex-grow: 1; /* Allow title to take available space */
    }

    .page-13-wi__product-description,
    .page-13-wi__promotion-description {
        font-size: 0.95em;
        color: var(--page-13-wi-dark-text);
        padding: 0 15px 15px;
        margin: 0;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .page-13-wi__promotion-action {
        background-color: var(--page-13-wi-secondary-color);
        color: var(--page-13-wi-light-text);
        padding: 10px 15px;
        font-weight: bold;
        border-radius: 0 0 12px 12px;
        margin-top: auto; /* Push to bottom */
        cursor: default; /* Not a link */
    }

    .page-13-wi__promotion-action:hover {
        background-color: #e63900;
    }

    /* About Section */
    .page-13-wi__about-text {
        font-size: 1.05em;
        color: var(--page-13-wi-dark-text);
        margin-bottom: 20px;
        text-align: justify;
        padding: 0 15px;
    }

    .page-13-wi__about-text strong {
        color: var(--page-13-wi-primary-color);
    }

    /* FAQ Section */
    .page-13-wi__faq-list {
        margin-top: 30px;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-13-wi__faq-item {
        background-color: var(--page-13-wi-card-bg);
        border-radius: 10px;
        margin-bottom: 15px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        box-sizing: border-box;
    }

    .page-13-wi__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 25px;
        cursor: pointer;
        user-select: none;
        font-size: 1.15em;
        color: var(--page-13-wi-light-text);
        border-bottom: 1px solid transparent;
        transition: background-color 0.3s ease, border-color 0.3s ease;
    }

    .page-13-wi__faq-question h3 {
        margin: 0;
        font-size: 1em; /* Adjust to fit parent font size */
        color: var(--page-13-wi-light-text);
        pointer-events: none; /* Prevent h3 from blocking click event */
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .page-13-wi__faq-question:hover {
        background-color: rgba(255, 255, 255, 0.05);
    }

    .page-13-wi__faq-toggle {
        font-size: 1.5em;
        font-weight: bold;
        color: var(--page-13-wi-primary-color);
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent span from blocking click event */
    }

    .page-13-wi__faq-item.active .page-13-wi__faq-toggle {
        transform: rotate(45deg); /* Change '+' to 'x' or '-' */
    }

    .page-13-wi__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px; /* Initial padding */
        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-13-wi-dark-text);
    }

    .page-13-wi__faq-item.active .page-13-wi__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important; /* Expanded padding */
        opacity: 1;
    }

    .page-13-wi__faq-answer p {
        margin: 0;
        padding-bottom: 10px; /* Add some space below the paragraph */
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Final CTA Section */
    .page-13-wi__final-cta-description {
        font-size: 1.1em;
        color: var(--page-13-wi-dark-text);
        text-align: center;
        margin-bottom: 30px;
        padding: 0 15px;
    }

    /* Floating Buttons */
    .page-13-wi__floating-buttons-container {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .page-13-wi__floating-button {
        display: block;
        padding: 10px 20px;
        border-radius: 50px; /* Pill shape */
        font-size: 1em;
        font-weight: bold;
        text-decoration: none;
        text-align: center;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        cursor: pointer;
        border: none;
    }

    .page-13-wi__floating-button--register {
        background-color: var(--page-13-wi-secondary-color);
        color: var(--page-13-wi-light-text);
    }

    .page-13-wi__floating-button--register:hover {
        background-color: #e63900;
        transform: translateY(-3px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }

    .page-13-wi__floating-button--login {
        background-color: var(--page-13-wi-primary-color);
        color: var(--page-13-wi-dark-bg);
    }

    .page-13-wi__floating-button--login:hover {
        background-color: #e6c200;
        transform: translateY(-3px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    }


    /* Responsive Design */
    @media (max-width: 768px) {
        .page-13-wi__hero-section {
            height: 70vh;
            padding-top: 10px;
        }

        .page-13-wi__hero-title {
            font-size: 1.8em;
        }

        .page-13-wi__hero-description {
            font-size: 1em;
        }

        .page-13-wi__cta-buttons {
            flex-direction: column;
            gap: 15px;
        }

        .page-13-wi__cta-button {
            width: 80%;
            max-width: 300px;
            margin: 0 auto;
            padding: 10px 20px;
            font-size: 1em;
        }

        .page-13-wi__section-title {
            font-size: 1.7em;
            padding-top: 30px;
        }

        .page-13-wi__section-subtitle {
            font-size: 1em;
        }

        .page-13-wi__products-section,
        .page-13-wi__promotions-section,
        .page-13-wi__about-section,
        .page-13-wi__faq-section,
        .page-13-wi__final-cta-section {
            padding: 40px 15px;
        }

        .page-13-wi__product-grid,
        .page-13-wi__promotion-grid {
            grid-template-columns: 1fr;
            gap: 25px;
        }

        .page-13-wi__product-item,
        .page-13-wi__promotion-card,
        .page-13-wi__faq-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-13-wi__product-image,
        .page-13-wi__promotion-image {
            max-width: 100% !important;
            height: auto !important;
            min-height: 180px;
            box-sizing: border-box !important;
        }

        .page-13-wi__faq-question {
            font-size: 1.05em;
            padding: 15px 20px;
        }

        .page-13-wi__faq-question h3 {
            font-size: 1em;
        }

        .page-13-wi__faq-toggle {
            font-size: 1.3em;
        }

        .page-13-wi__faq-answer {
            padding: 0 20px;
        }

        .page-13-wi__faq-item.active .page-13-wi__faq-answer {
            padding: 15px 20px !important;
        }

        .page-13-wi__about-text {
            font-size: 1em;
            padding: 0;
        }

        .page-13-wi__final-cta-description {
            font-size: 1em;
        }

        .page-13-wi__floating-buttons-container {
            bottom: 15px;
            right: 15px;
            gap: 8px;
        }

        .page-13-wi__floating-button {
            padding: 8px 15px;
            font-size: 0.9em;
        }
    }

    /* Ensure images within sections are responsive */
    .page-13-wi img {
        max-width: 100%;
        height: auto;
        display: block;
    }
  