/* Reset và cơ bản */
    .page-win98 {
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        color: #e0e0e0;
        background-color: #1a1a2e;
        line-height: 1.6;
        padding-bottom: 80px; /* Space for floating button */
    }

    .page-win98__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .page-win98__section {
        padding: 40px 0;
        text-align: center;
    }

    .page-win98__section--dark {
        background-color: #0f0f1d;
    }

    .page-win98__heading {
        color: #f7b32b;
        margin-bottom: 25px;
        font-size: 2.5em;
        font-weight: bold;
    }

    .page-win98__subheading {
        color: #f7b32b;
        margin-bottom: 20px;
        font-size: 1.8em;
        font-weight: 600;
    }

    .page-win98__text {
        margin-bottom: 15px;
        font-size: 1.1em;
        color: #c0c0c0;
    }

    /* Hero Section */
    .page-win98__hero-section {
        position: relative;
        background-color: #0f0f1d;
        color: #ffffff;
        padding-top: 10px; /* For fixed header */
        padding-bottom: 60px;
        overflow: hidden;
    }

    .page-win98__hero-background {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
        z-index: 0;
        opacity: 0.4;
    }

    .page-win98__hero-content {
        position: relative;
        z-index: 1;
        padding: 60px 20px;
        text-align: center;
    }

    .page-win98__hero-title {
        font-size: 3.5em;
        margin-bottom: 20px;
        color: #f7b32b;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        line-height: 1.2;
    }

    .page-win98__hero-description {
        font-size: 1.4em;
        margin-bottom: 30px;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        color: #e0e0e0;
    }

    .page-win98__cta-button {
        display: inline-block;
        background-color: #f7b32b;
        color: #1a1a2e;
        padding: 15px 30px;
        border-radius: 8px;
        text-decoration: none;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-win98__cta-button:hover {
        background-color: #e6a21a;
        transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-win98__floating-button {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background-color: #e74c3c; /* Striking color for promotion */
        color: #ffffff;
        padding: 15px 25px;
        border-radius: 50px;
        font-size: 1.2em;
        font-weight: bold;
        text-align: center;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
        z-index: 1000;
        transition: background-color 0.3s ease, transform 0.2s ease;
        border: none;
        cursor: pointer;
        text-decoration: none; /* Ensure it looks like a button, not a link */
        white-space: nowrap;
    }

    .page-win98__floating-button:hover {
        background-color: #c0392b;
        transform: translateX(-50%) translateY(-3px);
    }

    /* About Section */
    .page-win98__about-content {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 30px;
        text-align: left;
    }

    .page-win98__about-image-wrapper {
        flex: 1;
        min-width: 300px;
        max-width: 500px;
        margin: 0 auto;
        border-radius: 15px;
        overflow: hidden;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-win98__about-image {
        width: 100%;
        height: auto;
        display: block;
    }

    .page-win98__about-text-content {
        flex: 2;
        min-width: 300px;
    }

    .page-win98__about-text-content p {
        margin-bottom: 1em;
        color: #c0c0c0;
    }

    .page-win98__about-text-content strong {
        color: #f7b32b;
    }

    /* Game Categories */
    .page-win98__game-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-win98__game-card {
        background-color: #2a2a4a;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: center;
        display: flex;
        flex-direction: column;
        height: 100%;
    }

    .page-win98__game-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    }

    .page-win98__game-image-wrapper {
        width: 100%;
        height: 200px; /* Fixed height for consistency */
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .page-win98__game-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .page-win98__game-info {
        padding: 20px;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-win98__game-title {
        font-size: 1.5em;
        color: #f7b32b;
        margin-bottom: 10px;
        font-weight: bold;
    }

    .page-win98__game-description {
        font-size: 0.95em;
        color: #c0c0c0;
        margin-bottom: 15px;
    }

    /* Promotions Section */
    .page-win98__promo-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
        margin-top: 30px;
    }

    .page-win98__promo-card {
        background-color: #2a2a4a;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        text-align: center;
        display: flex;
        flex-direction: column;
        height: 100%;
    }

    .page-win98__promo-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    }

    .page-win98__promo-image-wrapper {
        width: 100%;
        height: 220px; /* Ensure height is at least 200px */
        overflow: hidden;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 15px; /* Space between image and text */
    }

    .page-win98__promo-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        min-width: 200px; /* Ensure image itself is not rendered smaller */
        min-height: 200px;
    }

    .page-win98__promo-info {
        padding: 0 25px 25px; /* Adjust padding to separate from image */
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .page-win98__promo-title {
        font-size: 1.6em;
        color: #f7b32b;
        margin-bottom: 10px;
        font-weight: bold;
    }

    .page-win98__promo-description {
        font-size: 1em;
        color: #c0c0c0;
        margin-bottom: 20px;
        flex-grow: 1; /* Allow description to take available space */
    }

    /* Guide Section */
    .page-win98__guide-steps {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
        margin-top: 30px;
    }

    .page-win98__guide-step {
        background-color: #2a2a4a;
        border-radius: 12px;
        padding: 30px;
        flex: 1;
        min-width: 280px;
        max-width: 380px;
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
        text-align: left;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        box-sizing: border-box;
    }

    .page-win98__step-number {
        font-size: 2.5em;
        color: #f7b32b;
        font-weight: bold;
        margin-bottom: 15px;
        background-color: #1a1a2e;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-win98__step-title {
        font-size: 1.5em;
        color: #f7b32b;
        margin-bottom: 10px;
        font-weight: bold;
    }

    .page-win98__step-description {
        font-size: 1em;
        color: #c0c0c0;
    }

    /* FAQ Section */
    .page-win98__faq-list {
        margin-top: 30px;
        text-align: left;
    }

    .page-win98__faq-item {
        background-color: #2a2a4a;
        margin-bottom: 15px;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .page-win98__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        background-color: #3b3b6b;
        color: #ffffff;
        cursor: pointer;
        user-select: none;
        font-size: 1.15em;
        font-weight: 600;
        transition: background-color 0.3s ease;
    }

    .page-win98__faq-question h3 {
        margin: 0;
        color: #f7b32b;
        pointer-events: none; /* Prevent h3 from blocking click event */
        font-size: 1.15em;
        font-weight: 600;
    }

    .page-win98__faq-question:hover {
        background-color: #4c4c8c;
    }

    .page-win98__faq-toggle {
        font-size: 1.8em;
        line-height: 1;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle icon from blocking click event */
        color: #f7b32b;
    }

    .page-win98__faq-item.active .page-win98__faq-toggle {
        transform: rotate(45deg); /* Change '+' to 'x' or similar */
    }

    .page-win98__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px; /* Initial padding matches question */
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: #c0c0c0;
        background-color: #2a2a4a;
        text-align: left;
    }

    .page-win98__faq-item.active .page-win98__faq-answer {
        max-height: 2000px !important; /* Sufficiently large to show content */
        padding: 20px 25px !important; /* Adjusted padding for active state */
        opacity: 1;
    }

    /* G28 Related Section */
    .page-win98__g28-list {
        list-style: none;
        padding: 0;
        margin-top: 20px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
        text-align: left;
    }

    .page-win98__g28-list-item {
        background-color: #2a2a4a;
        padding: 15px 20px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        color: #c0c0c0;
        font-size: 1em;
        box-sizing: border-box; /* Crucial for responsiveness */
    }

    .page-win98__g28-list-item strong {
        color: #f7b32b;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-win98__hero-section {
            padding-top: 10px; /* For fixed header on mobile */
        }
        .page-win98__hero-title {
            font-size: 2.5em;
        }

        .page-win98__hero-description {
            font-size: 1.1em;
        }

        .page-win98__heading {
            font-size: 2em;
        }

        .page-win98__subheading {
            font-size: 1.5em;
        }

        .page-win98__about-content {
            flex-direction: column;
            text-align: center;
        }

        .page-win98__about-image-wrapper {
            max-width: 100%;
        }

        .page-win98__game-grid,
        .page-win98__promo-grid,
        .page-win98__guide-steps {
            grid-template-columns: 1fr;
        }

        .page-win98__game-card,
        .page-win98__promo-card,
        .page-win98__guide-step {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-win98__faq-question {
            font-size: 1em;
            padding: 15px 20px;
        }

        .page-win98__faq-question h3 {
            font-size: 1em;
        }

        .page-win98__faq-answer {
            padding: 0 20px;
        }

        .page-win98__faq-item.active .page-win98__faq-answer {
            padding: 15px 20px !important;
        }

        .page-win98__g28-list {
            grid-template-columns: 1fr;
            padding: 0 !important;
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        .page-win98__g28-list-item {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
            word-wrap: break-word !important;
            overflow-wrap: break-word !important;
            word-break: break-word !important;
        }

        .page-win98__floating-button {
            width: calc(100% - 40px);
            max-width: 400px;
            font-size: 1em;
            padding: 12px 20px;
        }
    }

    @media (max-width: 480px) {
        .page-win98__hero-title {
            font-size: 2em;
        }
        .page-win98__hero-description {
            font-size: 1em;
        }
        .page-win98__cta-button {
            font-size: 1em;
            padding: 12px 25px;
        }
    }