:root {
    --page-bg: #08160F; /* Background */
    --card-bg: #11271B; /* Card B G */
    --text-main: #F2FFF6; /* Text Main */
    --text-secondary: #A7D9B8; /* Text Secondary */
    --border-color: #2E7A4E; /* Border */
    --glow-color: #57E38D; /* Glow */
    --gold-color: #F2C14E; /* Gold */
    --divider-color: #1E3A2A; /* Divider */
    --deep-green: #0A4B2C; /* Deep Green */
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
    --primary-color: #11A84E; /* Main color */
    --secondary-color: #22C768; /* Auxiliary color */
}

.page-download-android-installation-guide {
    background-color: var(--page-bg);
    color: var(--text-main); /* Default text color for the page, as background is dark */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    font-size: 16px;
}

/* Base section styling */
.page-download-android-installation-guide__hero-section,
.page-download-android-installation-guide__intro-section,
.page-download-android-installation-guide__why-choose-section,
.page-download-android-installation-guide__installation-guide-section,
.page-download-android-installation-guide__features-highlight-section,
.page-download-android-installation-guide__troubleshooting-section,
.page-download-android-installation-guide__faq-section,
.page-download-android-installation-guide__cta-section {
    padding: 60px 20px;
    position: relative;
}

/* Dark background sections */
.page-download-android-installation-guide__dark-bg,
.page-download-android-installation-guide__dark-section {
    background-color: var(--page-bg);
    color: var(--text-main);
}

/* Light background sections */
.page-download-android-installation-guide__light-bg {
    background-color: #0d1e16; /* A slightly lighter dark green to provide contrast from main background */
    color: var(--text-main);
}

/* Hero Section */
.page-download-android-installation-guide__hero-section {
    padding-top: 10px; /* Small top padding as body handles header offset */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
    background-color: var(--page-bg);
}

.page-download-android-installation-guide__hero-image-container {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    position: relative;
}

.page-download-android-installation-guide__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.8);
}

.page-download-android-installation-guide__hero-content-block {
    max-width: 900px;
    width: 100%;
    padding: 20px 15px;
    box-sizing: border-box;
    z-index: 10;
    color: var(--text-main);
}

.page-download-android-installation-guide__main-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--text-main);
}

.page-download-android-installation-guide__subtitle {
    font-size: clamp(1rem, 2.5vw, 1.3rem);
    margin-bottom: 30px;
    color: var(--text-secondary);
}

/* Container for content width */
.page-download-android-installation-guide__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

/* Titles */
.page-download-android-installation-guide__section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 30px;
    text-align: center;
    color: var(--gold-color);
    position: relative;
    padding-bottom: 10px;
}

.page-download-android-installation-guide__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* Text blocks */
.page-download-android-installation-guide__text-block {
    margin-bottom: 20px;
    color: var(--text-secondary);
    text-align: justify;
}

/* Buttons */
.page-download-android-installation-guide__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.page-download-android-installation-guide__cta-buttons--centered {
    margin-top: 40px;
}

.page-download-android-installation-guide__btn-primary,
.page-download-android-installation-guide__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-download-android-installation-guide__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download-android-installation-guide__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-download-android-installation-guide__btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-download-android-installation-guide__btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--text-main);
}

/* Features Grid Section */
.page-download-android-installation-guide__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download-android-installation-guide__feature-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-secondary);
}

.page-download-android-installation-guide__feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-download-android-installation-guide__feature-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    min-width: 200px;
    min-height: 200px;
}

.page-download-android-installation-guide__card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-main);
}

.page-download-android-installation-guide__card-text {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Installation Guide Steps */
.page-download-android-installation-guide__step-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-download-android-installation-guide__step-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--gold-color);
}

.page-download-android-installation-guide__step-description {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.page-download-android-installation-guide__step-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.page-download-android-installation-guide__step-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.page-download-android-installation-guide__step-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.page-download-android-installation-guide__list-item-text {
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.page-download-android-installation-guide__step-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
    min-width: 200px;
    min-height: 200px;
}

/* Features Highlight Section - List style */
.page-download-android-installation-guide__feature-list {
    list-style: none;
    padding-left: 0;
    margin-top: 30px;
}

.page-download-android-installation-guide__feature-list-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-download-android-installation-guide__feature-list-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
}

.page-download-android-installation-guide__feature-list-text {
    color: var(--text-secondary);
}

/* Troubleshooting Section */
.page-download-android-installation-guide__issue-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-download-android-installation-guide__issue-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--gold-color);
}

.page-download-android-installation-guide__issue-solution {
    color: var(--text-secondary);
}

.page-download-android-installation-guide__issue-list {
    list-style: disc;
    padding-left: 25px;
    margin-top: 10px;
    color: var(--text-secondary);
}

.page-download-android-installation-guide__issue-list li {
    margin-bottom: 5px;
}


/* FAQ Section */
.page-download-android-installation-guide__faq-list {
    margin-top: 30px;
}

.page-download-android-installation-guide__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.page-download-android-installation-guide__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    background-color: var(--deep-green);
    border-bottom: 1px solid var(--divider-color);
}

.page-download-android-installation-guide__faq-item[open] .page-download-android-installation-guide__faq-question {
    border-bottom: 1px solid var(--border-color);
}

.page-download-android-installation-guide__faq-question::-webkit-details-marker {
    display: none;
}

.page-download-android-installation-guide__faq-question::marker {
    display: none;
}

.page-download-android-installation-guide__faq-qtext {
    flex-grow: 1;
}

.page-download-android-installation-guide__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold-color);
}

.page-download-android-installation-guide__faq-answer {
    padding: 20px;
    font-size: 1rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--divider-color);
}

.page-download-android-installation-guide__faq-answer p {
    margin-bottom: 10px;
}

/* Responsive design */
@media (max-width: 1024px) {
    .page-download-android-installation-guide__hero-content-block {
        max-width: 700px;
    }
    .page-download-android-installation-guide__main-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }
    .page-download-android-installation-guide__subtitle {
        font-size: clamp(0.9rem, 2vw, 1.2rem);
    }
}

@media (max-width: 768px) {
    .page-download-android-installation-guide__hero-section,
    .page-download-android-installation-guide__intro-section,
    .page-download-android-installation-guide__why-choose-section,
    .page-download-android-installation-guide__installation-guide-section,
    .page-download-android-installation-guide__features-highlight-section,
    .page-download-android-installation-guide__troubleshooting-section,
    .page-download-android-installation-guide__faq-section,
    .page-download-android-installation-guide__cta-section {
        padding: 40px 15px;
    }

    .page-download-android-installation-guide__container {
        padding: 0 10px;
    }

    .page-download-android-installation-guide__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    .page-download-android-installation-guide__subtitle {
        font-size: clamp(0.85rem, 3vw, 1.1rem);
    }

    .page-download-android-installation-guide__section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
        margin-bottom: 25px;
    }

    .page-download-android-installation-guide__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-download-android-installation-guide__btn-primary,
    .page-download-android-installation-guide__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1rem;
    }

    .page-download-android-installation-guide__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-download-android-installation-guide__feature-card,
    .page-download-android-installation-guide__step-card,
    .page-download-android-installation-guide__feature-list-item,
    .page-download-android-installation-guide__issue-card,
    .page-download-android-installation-guide__faq-item {
        padding: 20px;
    }

    .page-download-android-installation-guide__step-title {
        font-size: 1.5rem;
    }

    .page-download-android-installation-guide__feature-list-title,
    .page-download-android-installation-guide__issue-title {
        font-size: 1.3rem;
    }

    .page-download-android-installation-guide__faq-question {
        font-size: 1.1rem;
        padding: 15px;
    }

    .page-download-android-installation-guide__faq-toggle {
        font-size: 1.5rem;
    }

    /* Images responsiveness */
    .page-download-android-installation-guide img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-download-android-installation-guide__hero-section,
    .page-download-android-installation-guide__intro-section,
    .page-download-android-installation-guide__why-choose-section,
    .page-download-android-installation-guide__installation-guide-section,
    .page-download-android-installation-guide__features-highlight-section,
    .page-download-android-installation-guide__troubleshooting-section,
    .page-download-android-installation-guide__faq-section,
    .page-download-android-installation-guide__cta-section,
    .page-download-android-installation-guide__hero-image-container,
    .page-download-android-installation-guide__hero-content-block,
    .page-download-android-installation-guide__container,
    .page-download-android-installation-guide__features-grid,
    .page-download-android-installation-guide__feature-card,
    .page-download-android-installation-guide__step-card,
    .page-download-android-installation-guide__issue-card,
    .page-download-android-installation-guide__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-download-android-installation-guide__hero-section {
        padding-top: 10px !important;
    }
}

@media (max-width: 480px) {
    .page-download-android-installation-guide__hero-content-block {
        padding: 15px;
    }
    .page-download-android-installation-guide__main-title {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }
    .page-download-android-installation-guide__subtitle {
        font-size: clamp(0.8rem, 4vw, 1rem);
    }
    .page-download-android-installation-guide__faq-question {
        font-size: 1rem;
    }
    .page-download-android-installation-guide__faq-toggle {
        font-size: 1.5rem;
    }
}

/* Ensure no CSS filter on images */
.page-download-android-installation-guide img {
    filter: none;
}