.page-yy777-app-download-apk {
        font-family: 'Arial', sans-serif;
        color: #333;
        line-height: 1.6;
        background-color: #f8f8f8;
        padding-bottom: 40px; /* Space before footer */
    }

    .page-yy777-app-download-apk__container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        box-sizing: border-box;
    }

    .page-yy777-app-download-apk__hero-section {
        background-color: #004d99; /* Dark blue */
        color: #fff;
        text-align: center;
        padding: 60px 20px;
        padding-top: 10px; /* Small top padding, expecting body padding for header offset */
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: relative;
        overflow: hidden;
        min-height: 400px;
    }

    .page-yy777-app-download-apk__hero-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.3;
        z-index: 0;
    }

    .page-yy777-app-download-apk__hero-content {
        position: relative;
        z-index: 1;
        max-width: 800px;
        margin: 0 auto;
    }

    .page-yy777-app-download-apk__hero-title {
        font-size: 2.8em;
        margin-bottom: 20px;
        color: #ffcc00; /* Gold */
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-yy777-app-download-apk__hero-description {
        font-size: 1.2em;
        margin-bottom: 30px;
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }

    .page-yy777-app-download-apk__download-button {
        display: inline-block;
        background-color: #ffcc00; /* Gold */
        color: #004d99; /* Dark blue */
        padding: 15px 30px;
        border-radius: 8px;
        text-decoration: none;
        font-size: 1.2em;
        font-weight: bold;
        transition: background-color 0.3s ease, transform 0.3s ease;
        border: none;
        cursor: pointer;
        box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    }

    .page-yy777-app-download-apk__download-button:hover {
        background-color: #e6b800; /* Darker gold */
        transform: translateY(-3px);
    }

    .page-yy777-app-download-apk__section {
        padding: 40px 0;
        background-color: #fff;
        margin-bottom: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .page-yy777-app-download-apk__section--alt {
        background-color: #f0f0f0;
    }

    .page-yy777-app-download-apk__section-title {
        text-align: center;
        font-size: 2.2em;
        margin-bottom: 30px;
        color: #004d99;
        position: relative;
        padding-bottom: 10px;
    }

    .page-yy777-app-download-apk__section-title::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 60px;
        height: 4px;
        background-color: #ffcc00;
        border-radius: 2px;
    }

    .page-yy777-app-download-apk__grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 30px;
    }

    .page-yy777-app-download-apk__card {
        background-color: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        padding: 25px;
        text-align: center;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        box-sizing: border-box; /* Required for list items */
    }

    .page-yy777-app-download-apk__card:hover {
        transform: translateY(-5px);
        box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }

    .page-yy777-app-download-apk__card-icon {
        width: 200px; /* Minimum size 200x200 as per requirements */
        height: 150px; /* Can be adjusted, but width must be >=200 */
        object-fit: contain;
        margin-bottom: 15px;
        border-radius: 8px;
    }

    .page-yy777-app-download-apk__card-title {
        font-size: 1.5em;
        color: #004d99;
        margin-bottom: 10px;
    }

    .page-yy777-app-download-apk__card-description {
        font-size: 1em;
        color: #555;
    }

    .page-yy777-app-download-apk__step-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }

    .page-yy777-app-download-apk__step-item {
        background-color: #e6f2ff; /* Light blue */
        border-left: 5px solid #004d99;
        padding: 20px 25px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        display: flex;
        align-items: flex-start;
        box-sizing: border-box; /* Required for list items */
    }

    .page-yy777-app-download-apk__step-number {
        font-size: 1.8em;
        font-weight: bold;
        color: #004d99;
        margin-right: 15px;
        flex-shrink: 0;
    }

    .page-yy777-app-download-apk__step-content h3 {
        font-size: 1.3em;
        color: #004d99;
        margin-top: 0;
        margin-bottom: 10px;
    }

    .page-yy777-app-download-apk__step-content p {
        font-size: 0.95em;
        color: #444;
    }

    .page-yy777-app-download-apk__image-wrapper {
        text-align: center;
        margin: 30px 0;
    }

    .page-yy777-app-download-apk__app-screenshot {
        max-width: 100%;
        height: auto;
        border-radius: 12px;
        box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        display: block;
        margin: 0 auto;
    }

    .page-yy777-app-download-apk__faq-section {
        padding: 40px 0;
        background-color: #fff;
        margin-bottom: 20px;
        border-radius: 8px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .page-yy777-app-download-apk__faq-item {
        background-color: #f9f9f9;
        border: 1px solid #ddd;
        border-radius: 8px;
        margin-bottom: 15px;
        overflow: hidden;
    }

    .page-yy777-app-download-apk__faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 25px;
        background-color: #e0e0e0;
        color: #004d99;
        font-size: 1.1em;
        font-weight: bold;
        cursor: pointer;
        user-select: none;
        transition: background-color 0.3s ease;
    }

    .page-yy777-app-download-apk__faq-question:hover {
        background-color: #d0d0d0;
    }

    .page-yy777-app-download-apk__faq-question h3 {
        margin: 0;
        font-size: 1.1em;
        color: #004d99;
        pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-yy777-app-download-apk__faq-toggle {
        font-size: 1.8em;
        line-height: 1;
        color: #004d99;
        transition: transform 0.3s ease;
        pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-yy777-app-download-apk__faq-item.active .page-yy777-app-download-apk__faq-toggle {
        transform: rotate(45deg); /* Plus sign rotates to form an X or minus */
    }

    .page-yy777-app-download-apk__faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 25px;
        opacity: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
        color: #333;
        background-color: #fefefe;
    }

    .page-yy777-app-download-apk__faq-item.active .page-yy777-app-download-apk__faq-answer {
        max-height: 2000px !important; /* Sufficiently large */
        padding: 20px 25px !important;
        opacity: 1;
    }

    .page-yy777-app-download-apk__faq-answer p {
        margin: 0;
        padding-bottom: 10px;
    }
    .page-yy777-app-download-apk__faq-answer p:last-child {
        padding-bottom: 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
        .page-yy777-app-download-apk__hero-title {
            font-size: 2em;
        }

        .page-yy777-app-download-apk__hero-description {
            font-size: 1em;
        }

        .page-yy777-app-download-apk__download-button {
            padding: 12px 25px;
            font-size: 1em;
        }

        .page-yy777-app-download-apk__section-title {
            font-size: 1.8em;
            margin-bottom: 20px;
        }

        .page-yy777-app-download-apk__grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .page-yy777-app-download-apk__card {
            padding: 20px;
        }

        .page-yy777-app-download-apk__step-list {
            grid-template-columns: 1fr;
            gap: 15px;
        }

        .page-yy777-app-download-apk__step-item {
            padding: 15px 20px;
        }

        .page-yy777-app-download-apk__faq-question {
            padding: 15px 20px;
            font-size: 1em;
        }
        .page-yy777-app-download-apk__faq-question h3 {
            font-size: 1em;
        }
        .page-yy777-app-download-apk__faq-answer {
            padding: 0 20px;
        }
        .page-yy777-app-download-apk__faq-item.active .page-yy777-app-download-apk__faq-answer {
            padding: 15px 20px !important;
        }

        /* List item responsive requirements */
        .page-yy777-app-download-apk__grid .page-yy777-app-download-apk__card,
        .page-yy777-app-download-apk__step-list .page-yy777-app-download-apk__step-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-yy777-app-download-apk__grid,
        .page-yy777-app-download-apk__step-list {
            width: 100% !important;
            max-width: 100% !important;
            box-sizing: border-box !important;
            padding: 0 !important;
            margin-left: 0 !important;
            margin-right: 0 !important;
        }

        /* Image responsive requirements */
        .page-yy777-app-download-apk__image-wrapper,
        .page-yy777-app-download-apk__card-icon {
            width: 100% !important;
            max-width: 100% !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }
        .page-yy777-app-download-apk__app-screenshot,
        .page-yy777-app-download-apk__card-icon {
            max-width: 100% !important;
            height: auto !important;
        }
    }

    @media (max-width: 480px) {
        .page-yy777-app-download-apk__hero-title {
            font-size: 1.8em;
        }
        .page-yy777-app-download-apk__section-title {
            font-size: 1.6em;
        }
    }