/* style/download.css */

/* --- General Styles for .page-download scope --- */
.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light backgrounds */
    background-color: var(--background-color, #FFFFFF); /* Inherit or default to white */
}

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

.page-download__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: #26A9E0; /* Brand color for titles */
    text-align: center;
    margin-bottom: 30px;
    line-height: 1.2;
}

.page-download__text-block {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 30px auto;
    color: #555555;
}

.page-download__cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    margin: 10px;
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box; /* Ensure padding is included */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Allow long words to break */
}

.page-download__cta-button--primary {
    background-color: #26A9E0; /* Main brand color */
    color: #FFFFFF;
    border: 2px solid #26A9E0;
}

.page-download__cta-button--primary:hover {
    background-color: #1e87c0;
    transform: translateY(-2px);
}

.page-download__cta-button--secondary {
    background-color: #FFFFFF;
    color: #26A9E0; /* Main brand color */
    border: 2px solid #26A9E0;
}

.page-download__cta-button--secondary:hover {
    background-color: #f0f8ff;
    transform: translateY(-2px);
}

.page-download__cta-button--small {
    padding: 10px 20px;
    font-size: 1em;
    margin: 5px;
}

.page-download__icon {
    margin-right: 10px;
    font-size: 1.2em;
    /* Placeholder for actual icon styles, e.g., using a font icon library or SVG */
}

/* --- Hero Section --- */
.page-download__hero-section {
    padding-top: 10px; /* ~10px top padding, not --header-offset */
    padding-bottom: 50px;
    background-color: #f0f8ff; /* Light background for hero section */
    overflow: hidden; /* Prevent image overflow */
}

.page-download__hero-container {
    display: flex;
    flex-direction: column; /* Ensure image is above text */
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-download__hero-image {
    width: 100%;
    max-width: 1200px; /* Match width attribute */
    height: auto; /* Maintain aspect ratio */
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    display: block; /* Ensure it behaves as a block element */
}

.page-download__hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.page-download__hero-title {
    font-size: 3.2em;
    font-weight: 900;
    color: #26A9E0;
    margin-bottom: 20px;
    line-height: 1.1;
}

.page-download__hero-description {
    font-size: 1.3em;
    color: #555555;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.page-download__hero-note {
    font-size: 0.9em;
    color: #777777;
}

/* --- Intro Section --- */
.page-download__intro-section {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.page-download__benefits-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-download__benefits-item {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.page-download__benefits-title {
    font-size: 1.5em;
    color: #26A9E0;
    margin-bottom: 15px;
}

/* --- Guide Section --- */
.page-download__guide-section {
    padding: 60px 0;
    background-color: #26A9E0; /* Darker background for contrast */
    color: #FFFFFF; /* White text for dark background */
}

.page-download__guide-section .page-download__section-title,
.page-download__guide-section .page-download__text-block {
    color: #FFFFFF; /* Ensure titles and text blocks are white */
}

.page-download__guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.page-download__step-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-download__step-number {
    font-size: 2.5em;
    font-weight: bold;
    color: #FFFFFF;
    background-color: #EA7C07; /* Login orange color for step numbers */
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.page-download__step-title {
    font-size: 1.8em;
    color: #FFFFFF;
    margin-bottom: 15px;
}

.page-download__qr-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
    margin-bottom: 20px;
    gap: 20px;
}

.page-download__qr-image {
    width: 100%;
    max-width: 300px; /* Specific max-width for QR image */
    height: auto;
    border: 5px solid #FFFFFF;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: block; /* Ensure it behaves as a block element */
}

.page-download__qr-info {
    text-align: center;
}

.page-download__qr-info p {
    margin-bottom: 10px;
    font-size: 1.1em;
}

.page-download__cta-button--android {
    background-color: #4CAF50; /* Android green */
    border-color: #4CAF50;
    color: #FFFFFF;
}
.page-download__cta-button--android:hover {
    background-color: #45a049;
}

.page-download__cta-button--ios {
    background-color: #007AFF; /* iOS blue */
    border-color: #007AFF;
    color: #FFFFFF;
}
.page-download__cta-button--ios:hover {
    background-color: #0056b3;
}

.page-download__guide-image {
    width: 100%;
    max-width: 600px; /* Match width attribute */
    height: auto; /* Maintain aspect ratio */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    margin-top: 30px;
    display: block; /* Ensure it behaves as a block element */
}

/* --- Features Section --- */
.page-download__features-section {
    padding: 60px 0;
    background-color: #FFFFFF;
}

.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.page-download__feature-card {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-download__feature-title {
    font-size: 1.5em;
    color: #26A9E0;
    margin-bottom: 15px;
}

.page-download__features-image {
    width: 100%;
    max-width: 800px; /* Match width attribute */
    height: auto; /* Maintain aspect ratio */
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 30px auto 0 auto;
    display: block; /* Ensure it behaves as a block element */
}

/* --- FAQ Section --- */
.page-download__faq-section {
    padding: 60px 0;
    background-color: #f0f8ff;
}

.page-download__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

.page-download__faq-item {
    background-color: #FFFFFF;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: #333333;
    cursor: pointer;
    background-color: #FFFFFF;
    border-bottom: 1px solid #eee;
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-download__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for Webkit */
}

.page-download__faq-question:hover {
    background-color: #f5f5f5;
}

.page-download__faq-qtext {
    flex-grow: 1;
}

.page-download__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: #26A9E0;
    margin-left: 15px;
    user-select: none;
}

.page-download__faq-item[open] .page-download__faq-question {
    border-bottom: none;
}

.page-download__faq-answer {
    padding: 15px 25px 20px 25px;
    font-size: 1.05em;
    color: #555555;
    background-color: #fcfcfc;
}

/* --- CTA Section --- */
.page-download__cta-section {
    padding: 60px 0;
    background-color: #26A9E0; /* Brand color background */
    color: #FFFFFF; /* White text for dark background */
    text-align: center;
}

.page-download__cta-section .page-download__section-title,
.page-download__cta-section .page-download__text-block {
    color: #FFFFFF;
}

.page-download__cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.page-download__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

/* --- Image responsive base styles --- */
.page-download img {
    max-width: 100%;
    height: auto;
    display: block; /* Prevent extra space below images */
}

/* --- Mobile Responsiveness --- */
@media (max-width: 1024px) {
    .page-download__hero-title {
        font-size: 2.8em;
    }
    .page-download__hero-description {
        font-size: 1.2em;
    }
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__guide-steps {
        grid-template-columns: 1fr;
    }
    .page-download__features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    .page-download__qr-section {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    .page-download__qr-info {
        text-align: left;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px !important; /* ~10px top padding */
        padding-bottom: 30px;
    }
    .page-download__hero-container {
        padding: 0 15px;
    }
    .page-download__hero-title {
        font-size: clamp(2em, 8vw, 2.5em); /* Use clamp for H1 */
        margin-bottom: 15px;
    }
    .page-download__hero-description {
        font-size: 1.1em;
        margin-bottom: 20px;
    }
    .page-download__hero-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
    }
    .page-download__cta-button {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 15px;
        padding-right: 15px;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }
    .page-download__hero-image,
    .page-download__guide-image,
    .page-download__features-image,
    .page-download__qr-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* 通用图片与容器 */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-download__container,
    .page-download__section,
    .page-download__card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__text-block {
        font-size: 1em;
    }
    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
    }

    /* 按钮与按钮容器 */
    .page-download__cta-buttons {
        flex-direction: column !important; /* Ensure vertical stacking */
        gap: 10px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
    .page-download__cta-button {
        width: 100% !important;
        max-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__cta-button--small {
        width: auto !important; /* Allow small buttons to shrink if in a row, but still responsive */
        max-width: 100% !important;
    }
    .page-download__qr-section {
        flex-direction: column !important;
        gap: 15px;
    }
    .page-download__qr-info {
        text-align: center;
    }

    /* 其他内容模块 (Intro, Guide, Features, FAQ) */
    .page-download__intro-section,
    .page-download__guide-section,
    .page-download__features-section,
    .page-download__faq-section,
    .page-download__cta-section {
        padding: 40px 0;
    }
    .page-download__benefits-list,
    .page-download__features-grid {
        grid-template-columns: 1fr; /* Single column layout */
        gap: 20px;
    }
    .page-download__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 10px 20px 15px 20px;
    }
    .page-download__step-item {
        padding: 20px;
    }
    .page-download__step-title {
        font-size: 1.5em;
    }
}