/* style/download.css */
.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--Text-Main, #1F2D3D); /* Default text color, assuming light body bg */
    background-color: var(--background, #F4F7FB); /* Using custom background color */
}

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

.page-download__section-title {
    font-size: 2.5em;
    color: var(--Text-Main, #1F2D3D);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__section-intro {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--Text-Main, #1F2D3D);
}

/* HERO 主图区域 */
.page-download__hero-section {
    position: relative;
    padding-top: 10px; /* Specific requirement for fixed header spacing */
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    margin-bottom: 40px;
    overflow: hidden;
}

.page-download__hero-image-wrapper {
    width: 100%;
    overflow: hidden;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-download__hero-content {
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Using button gradient for dark section */
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

.page-download__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* H1 font size with clamp */
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #ffffff;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__description {
    font-size: 1.2em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #f0f0f0;
}

/* 按钮与按钮容器 */
.page-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* For mobile responsiveness */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.page-download__cta-button,
.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, transform 0.2s ease;
    box-sizing: border-box;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    max-width: 100%; /* Ensure buttons don't overflow */
}

.page-download__btn-primary {
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-download__btn-primary:hover {
    background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
    transform: translateY(-2px);
}

.page-download__btn-secondary {
    background: #ffffff;
    color: #2F6BFF;
    border: 2px solid #2F6BFF;
}

.page-download__btn-secondary:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* Why Download Section */
.page-download__why-download-section {
    padding: 60px 0;
    background-color: var(--background, #F4F7FB); /* Using custom background color */
}

.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-download__feature-card {
    background-color: var(--Card-B-G, #FFFFFF); /* Using custom card background color */
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    color: var(--Text-Main, #1F2D3D);
    border: 1px solid var(--Border, #D6E2FF); /* Custom border color */
}

.page-download__feature-card:hover {
    transform: translateY(-5px);
}

.page-download__feature-icon {
    width: 200px; /* Minimum size requirement */
    height: auto;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-download__feature-title {
    font-size: 1.5em;
    color: var(--Text-Main, #1F2D3D);
    margin-bottom: 15px;
}

.page-download__feature-description {
    font-size: 1em;
    color: var(--Text-Main, #1F2D3D);
}

/* How To Download Section */
.page-download__how-to-download-section {
    padding: 60px 0;
    background-color: var(--Custom-Color-1776249996415, #000000); /* Using a custom color for a medium-dark section */
    color: #ffffff;
}

.page-download__how-to-download-section .page-download__section-title,
.page-download__how-to-download-section .page-download__section-intro {
    color: #ffffff;
}

.page-download__download-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.page-download__platform-guide {
    background-color: var(--Card-B-G, #FFFFFF); /* Using custom card background color */
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    color: var(--Text-Main, #1F2D3D);
    border: 1px solid var(--Border, #D6E2FF); /* Custom border color */
}

.page-download__platform-title {
    font-size: 1.8em;
    color: var(--Text-Main, #1F2D3D);
    margin-bottom: 25px;
    text-align: center;
}

.page-download__qr-code {
    width: 250px;
    height: auto;
    display: block;
    margin: 0 auto 25px auto;
    border: 1px solid var(--Border, #D6E2FF);
    border-radius: 8px;
}

.page-download__step-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.page-download__step-item {
    font-size: 1.05em;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    color: var(--Text-Main, #1F2D3D);
}

.page-download__step-item::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--primary-color, #2F6BFF);
    color: #ffffff;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 0.9em;
}

.page-download__download-button {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* App Features Section */
.page-download__app-features-section {
    padding: 60px 0;
    background-color: var(--background, #F4F7FB);
}

.page-download__features-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.page-download__feature-item {
    display: flex;
    align-items: center;
    gap: 30px;
    background-color: var(--Card-B-G, #FFFFFF);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--Border, #D6E2FF);
}

.page-download__feature-item:nth-child(even) {
    flex-direction: row-reverse;
}

.page-download__feature-image {
    width: 40%;
    min-width: 200px; /* Enforce min image size */
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}

.page-download__feature-text {
    flex: 1;
    color: var(--Text-Main, #1F2D3D);
}

.page-download__feature-heading {
    font-size: 1.8em;
    color: var(--Text-Main, #1F2D3D);
    margin-bottom: 15px;
}

/* FAQ Section */
.page-download__faq-section {
    padding: 60px 0;
    background-color: var(--background, #F4F7FB);
}

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

.page-download__faq-item {
    background-color: var(--Card-B-G, #FFFFFF);
    border: 1px solid var(--Border, #D6E2FF);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    color: var(--Text-Main, #1F2D3D);
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15em;
    font-weight: bold;
    cursor: pointer;
    list-style: none; /* For details/summary */
    color: var(--Text-Main, #1F2D3D);
}

.page-download__faq-question::-webkit-details-marker {
    display: none;
}

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

.page-download__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    color: var(--primary-color, #2F6BFF);
}

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: var(--Text-Main, #1F2D3D);
}

.page-download__faq-answer p {
    margin: 0;
}

/* Bottom CTA Section */
.page-download__cta-bottom-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    color: #ffffff;
}

.page-download__cta-bottom-section .page-download__section-title,
.page-download__cta-bottom-section .page-download__description {
    color: #ffffff;
}

/* --- Responsive Styles --- */

/* Mobile general styles */
@media (max-width: 768px) {
    .page-download {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-download__container {
        padding: 0 15px;
    }

    .page-download__section-title {
        font-size: 2em;
        margin-bottom: 15px;
    }

    .page-download__section-intro {
        font-size: 1em;
        margin-bottom: 30px;
    }

    /* HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px !important; /* Specific requirement for fixed header spacing */
        margin-bottom: 30px;
    }

    .page-download__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    .page-download__main-title {
        font-size: clamp(1.8em, 8vw, 2.5em);
        margin-bottom: 15px;
    }

    .page-download__description {
        font-size: 1em;
        margin-bottom: 25px;
    }

    /* 按钮与按钮容器 */
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }

    .page-download__cta-button,
    .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: 12px 20px !important; /* Adjust padding for mobile */
        font-size: 1em !important;
    }

    /* 通用图片与容器 */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__feature-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Why Download Section */
    .page-download__why-download-section {
        padding: 40px 0;
    }

    .page-download__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-download__feature-card {
        padding: 20px;
    }

    .page-download__feature-icon {
        width: 150px;
    }

    /* How To Download Section */
    .page-download__how-to-download-section {
        padding: 40px 0;
    }

    .page-download__download-steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-download__platform-guide {
        padding: 20px;
    }

    .page-download__qr-code {
        width: 200px;
    }

    .page-download__step-item {
        font-size: 0.95em;
        margin-bottom: 10px;
        padding-left: 25px;
    }

    .page-download__step-item::before {
        width: 22px;
        height: 22px;
        font-size: 0.8em;
    }

    /* App Features Section */
    .page-download__app-features-section {
        padding: 40px 0;
    }

    .page-download__feature-item {
        flex-direction: column;
        padding: 20px;
        text-align: center;
        gap: 20px;
    }

    .page-download__feature-item:nth-child(even) {
        flex-direction: column; /* Reset order for mobile */
    }

    .page-download__feature-image {
        width: 80%;
        min-width: 200px; /* Still enforce min size */
        margin-bottom: 15px;
    }

    .page-download__feature-heading {
        font-size: 1.5em;
        margin-bottom: 10px;
    }

    /* FAQ Section */
    .page-download__faq-section {
        padding: 40px 0;
    }

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

    .page-download__faq-toggle {
        font-size: 1.2em;
    }

    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
    }

    /* Bottom CTA Section */
    .page-download__cta-bottom-section {
        padding: 50px 0;
    }
}

/* Tablet styles */
@media (max-width: 1024px) {
    .page-download__container {
        padding: 0 25px;
    }

    .page-download__section-title {
        font-size: 2.2em;
    }

    .page-download__hero-content {
        padding: 40px 0;
    }

    .page-download__main-title {
        font-size: clamp(2.2em, 5vw, 3em);
    }

    .page-download__description {
        font-size: 1.1em;
    }

    .page-download__cta-buttons {
        gap: 15px;
    }

    .page-download__features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .page-download__feature-item {
        flex-direction: column;
        text-align: center;
    }

    .page-download__feature-item:nth-child(even) {
        flex-direction: column;
    }

    .page-download__feature-image {
        width: 60%;
        margin-bottom: 20px;
    }

    .page-download__feature-heading {
        font-size: 1.6em;
    }
}