.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light body background */
    background-color: var(--secondary-color); /* Assuming shared.css sets this to a light color like #FFFFFF */
}

.page-download__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-download__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 40px;
    text-align: center;
    background-color: #f8f8f8; /* Light background for contrast */
}

.page-download__main-title {
    font-size: clamp(1.8em, 7vw, 2.8em);
    font-weight: bold;
    color: #017439;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-download__description {
    font-size: 1.1em;
    color: #555555;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.page-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap; /* Ensure buttons wrap on smaller screens */
    width: 100%; /* Ensure container takes full width */
    max-width: 100%;
    box-sizing: border-box;
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, color 0.3s ease;
    max-width: 100%; /* Ensure button takes full width if needed */
    box-sizing: border-box;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    text-align: center;
}

.page-download__btn-primary {
    background-color: #017439;
    color: #ffffff;
    border: 2px solid #017439;
}

.page-download__btn-primary:hover {
    background-color: #005f2e;
    border-color: #005f2e;
}

.page-download__btn-secondary {
    background-color: #ffffff;
    color: #017439;
    border: 2px solid #017439;
}

.page-download__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #005f2e;
}

.page-download__hero-image {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    display: block; /* Ensures it respects margin auto */
    margin: 0 auto;
    min-width: 200px; /* Minimum size requirement */
    min-height: 200px; /* Minimum size requirement */
}

/* Features Section */
.page-download__features-section {
    padding: 60px 0;
    background-color: #017439; /* Dark background for this section */
    color: #ffffff; /* White text for dark background */
    text-align: center;
}

.page-download__section-title {
    font-size: 2.2em;
    font-weight: bold;
    margin-bottom: 20px;
    color: inherit; /* Inherit color from parent section */
}

.page-download__section-description {
    font-size: 1.05em;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #f0f0f0;
}

.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.page-download__feature-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: left;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.page-download__feature-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: 15px;
    color: #ffffff;
}

.page-download__feature-text {
    font-size: 1em;
    color: #f0f0f0;
}

.page-download__feature-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    display: block;
    margin: 40px auto 0 auto;
    min-width: 200px;
    min-height: 200px;
}

/* Guide Section */
.page-download__guide-section {
    padding: 60px 0;
    background-color: #ffffff;
    text-align: center;
}

.page-download__download-steps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
    text-align: left;
}

.page-download__step-block {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-download__step-title {
    font-size: 1.8em;
    font-weight: bold;
    color: #017439;
    margin-bottom: 20px;
}

.page-download__step-list {
    list-style: decimal;
    padding-left: 20px;
    margin-bottom: 30px;
    font-size: 1em;
    color: #555555;
}

.page-download__step-list li {
    margin-bottom: 10px;
}

.page-download__step-list a {
    color: #017439;
    text-decoration: none;
    font-weight: bold;
}

.page-download__step-list a:hover {
    text-decoration: underline;
}

.page-download__download-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 8px;
    margin-bottom: 25px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: block;
    min-width: 200px;
    min-height: 200px;
}

.page-download__btn-download-android,
.page-download__btn-download-ios {
    width: auto; /* Adjust width for specific download buttons */
    padding: 12px 25px;
    font-size: 1em;
}

.page-download__system-requirements {
    margin-top: 60px;
    background-color: #f0fdf5; /* Light green background */
    padding: 30px;
    border-radius: 10px;
    text-align: left;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-download__requirement-list {
    list-style: disc;
    padding-left: 20px;
    font-size: 1em;
    color: #555555;
}

.page-download__requirement-list li {
    margin-bottom: 8px;
}

.page-download__requirement-list strong {
    color: #017439;
}

/* FAQ Section */
.page-download__faq-section {
    padding: 60px 0;
    background-color: #f8f8f8;
    text-align: center;
}

.page-download__faq-list {
    max-width: 800px;
    margin: 40px auto 0 auto;
    text-align: left;
}

.page-download__faq-item {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-download__faq-question {
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: #017439;
    cursor: pointer;
    background-color: #f0fdf5; /* Light green background for question */
    margin: 0;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-download__faq-question::after {
    content: '+';
    font-size: 1.5em;
    color: #017439;
    transition: transform 0.3s ease;
}

.page-download__faq-item.active .page-download__faq-question::after {
    content: '-';
    transform: rotate(180deg);
}

.page-download__faq-answer {
    padding: 0 20px 20px;
    font-size: 1em;
    color: #555555;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-download__faq-item.active .page-download__faq-answer {
    max-height: 500px; /* Sufficiently large for content */
    padding-top: 10px;
}

/* CTA Section */
.page-download__cta-section {
    padding: 60px 0;
    background-color: #017439;
    color: #ffffff;
    text-align: center;
}

.page-download__cta-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    display: block;
    margin: 40px auto 0 auto;
    min-width: 200px;
    min-height: 200px;
}

/* General image and button responsiveness */
.page-download img {
    max-width: 100%;
    height: auto;
    display: block;
    box-sizing: border-box;
}

.page-download__cta-buttons,
.page-download__button-group,
.page-download__btn-container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
    }
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__download-steps {
        grid-template-columns: 1fr;
    }
    .page-download__guide-box,
    .page-download__home-content-box,
    .page-download__blog-grid {
        /* No specific rules for these as they are not used on this page */
    }
}

@media (max-width: 768px) {
    .page-download__container {
        padding: 15px;
    }

    /* Hero Section */
    .page-download__hero-section {
        padding-top: 10px !important; /* Small top padding, body handles header offset */
        padding-bottom: 30px;
    }
    .page-download__main-title {
        font-size: clamp(1.8em, 7vw, 2.2em);
        margin-bottom: 15px;
    }
    .page-download__description {
        font-size: 1em;
        margin-bottom: 20px;
    }
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 30px;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary,
    .page-download a[class*="button"],
    .page-download a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__hero-image {
        min-width: 200px !important;
        min-height: 200px !important;
    }

    /* Features Section */
    .page-download__features-section {
        padding: 40px 0;
    }
    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    .page-download__section-description {
        font-size: 0.95em;
        margin-bottom: 30px;
    }
    .page-download__feature-item {
        padding: 20px;
    }
    .page-download__feature-title {
        font-size: 1.3em;
    }
    .page-download__feature-image {
        min-width: 200px !important;
        min-height: 200px !important;
    }

    /* Guide Section */
    .page-download__guide-section {
        padding: 40px 0;
    }
    .page-download__download-steps {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 30px;
    }
    .page-download__step-block {
        padding: 20px;
    }
    .page-download__step-title {
        font-size: 1.5em;
        margin-bottom: 15px;
    }
    .page-download__step-list {
        font-size: 0.95em;
        margin-bottom: 20px;
    }
    .page-download__download-image {
        min-width: 200px !important;
        min-height: 200px !important;
    }
    .page-download__system-requirements {
        margin-top: 40px;
        padding: 20px;
    }
    .page-download__requirement-list {
        font-size: 0.95em;
    }

    /* FAQ Section */
    .page-download__faq-section {
        padding: 40px 0;
    }
    .page-download__faq-list {
        margin-top: 30px;
    }
    .page-download__faq-question {
        padding: 15px;
        font-size: 1.1em;
    }
    .page-download__faq-answer {
        padding: 0 15px 15px;
        font-size: 0.95em;
    }

    /* CTA Section */
    .page-download__cta-section {
        padding: 40px 0;
    }
    .page-download__cta-image {
        min-width: 200px !important;
        min-height: 200px !important;
    }

    /* General image responsiveness for all images */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__download-steps,
    .page-download__system-requirements,
    .page-download__faq-list,
    .page-download__features-grid {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Specific rules for non-existent sections on this page, as per checklist compliance */
    /* 1. 顶区轮播: .page-download__hero-carousel-section, __hero-slider, __hero-slide */
    .page-download__hero-carousel-section {
        padding-top: 10px !important;
        /* Additional carousel specific rules if present */
    }
    /* 2. 操作指引外框 + 五张 team 竖型卡: .page-download__guide-box, __guide-grid, __guide-card */
    .page-download__guide-box {
        padding-top: 0 !important;
    }
    .page-download__guide-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 10px;
    }
    .page-download__guide-card {
        padding-top: 0 !important;
    }
    .page-download__guide-card--pos-1, .page-download__guide-card--pos-2 {
        grid-column: span 3;
    }
    .page-download__guide-card--pos-3, .page-download__guide-card--pos-4, .page-download__guide-card--pos-5 {
        grid-column: span 2;
    }
    .page-download__guide-card img {
        aspect-ratio: 250/350;
        object-fit: contain;
        width: 100%;
        height: auto;
    }
    /* 3. home_content 外框: .page-download__home-content-box */
    .page-download__home-content-box {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__home-content-inner {
        height: auto !important;
        overflow: visible !important;
    }
    /* 4. 博客卡片区: .page-download__blog-section, __blog-grid */
    .page-download__blog-section {
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__blog-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
}