/* style/download.css */

:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --background-color-dark: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-main); /* Default text color for dark sections */
    background-color: var(--background-color-dark); /* Default background for dark sections */
}

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

.page-download__section-title {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-download__section-description {
    font-size: 1.1em;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.page-download__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 40px;
    background-color: var(--background-color-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-download__hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    width: 100%;
    padding: 20px;
    gap: 30px;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 800px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
}

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

.page-download__hero-content {
    text-align: center;
    max-width: 900px;
}

.page-download__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em); /* Responsive font size */
    font-weight: 800;
    color: var(--gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.4);
}

.page-download__intro-text {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-download__cta-button {
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 250px;
    width: 100%;
}

.page-download__btn-primary {
    background: var(--button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: 0 5px 15px rgba(34, 199, 104, 0.4);
}

.page-download__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(34, 199, 104, 0.6);
}

.page-download__btn-secondary {
    background-color: var(--card-bg);
    color: var(--glow-color);
    border: 2px solid var(--glow-color);
    box-shadow: 0 5px 15px rgba(87, 227, 141, 0.2);
}

.page-download__btn-secondary:hover {
    transform: translateY(-3px);
    background-color: var(--glow-color);
    color: var(--background-color-dark);
    box-shadow: 0 8px 20px rgba(87, 227, 141, 0.4);
}

/* General Card Styles */
.page-download__card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--text-main);
}

.page-download__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-download__card-title {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--gold-color);
    margin-top: 15px;
    margin-bottom: 10px;
    text-align: center;
}

.page-download__card-text {
    font-size: 0.95em;
    color: var(--text-secondary);
    line-height: 1.5;
    text-align: center;
}

.page-download__card-image, .page-download__feature-icon {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    margin-bottom: 15px;
    object-fit: cover;
}

/* Advantages Section */
.page-download__advantages-section {
    padding: 60px 20px;
    background-color: #ffffff; /* Light background for contrast */
    color: #333333; /* Dark text for light background */
}

.page-download__advantages-section .page-download__section-title {
    color: var(--deep-green);
}

.page-download__advantages-section .page-download__section-description {
    color: #555555;
}

.page-download__advantages-section .page-download__card {
    background-color: #f8f8f8;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__advantages-section .page-download__card-title {
    color: var(--primary-color);
}

.page-download__advantages-section .page-download__card-text {
    color: #666666;
}

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

/* How to Download Section */
.page-download__how-to-download-section {
    padding: 60px 20px;
    background-color: var(--background-color-dark);
    color: var(--text-main);
}

.page-download__download-steps {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-download__step-card {
    flex: 1;
    min-width: 300px;
    max-width: 45%; /* Adjusted for better desktop layout */
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-download__qr-code {
    width: 200px;
    height: 200px;
    margin: 20px auto;
    border: 5px solid #ffffff;
    border-radius: 5px;
    object-fit: contain;
}

.page-download__step-list {
    list-style-type: decimal;
    text-align: left;
    margin: 20px 0 30px 20px;
    padding: 0;
    color: var(--text-secondary);
}

.page-download__step-list li {
    margin-bottom: 10px;
    line-height: 1.5;
}

.page-download__note-text {
    font-size: 0.9em;
    color: var(--text-secondary);
    text-align: center;
    margin-top: 40px;
}

/* Features Section */
.page-download__features-section {
    padding: 60px 20px;
    background-color: #f0f0f0; /* Light background for contrast */
    color: #333333; /* Dark text for light background */
}

.page-download__features-section .page-download__section-title {
    color: var(--deep-green);
}

.page-download__features-section .page-download__section-description {
    color: #555555;
}

.page-download__features-section .page-download__card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__features-section .page-download__card-title {
    color: var(--primary-color);
}

.page-download__features-section .page-download__card-text {
    color: #666666;
}

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

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

/* FAQ Section */
.page-download__faq-section {
    padding: 60px 20px;
    background-color: var(--background-color-dark);
    color: var(--text-main);
}

.page-download__faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-download__faq-item {
    cursor: pointer;
    overflow: hidden;
    text-align: left;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.15em;
    font-weight: 600;
    color: var(--text-main);
    padding: 15px 20px;
    border-bottom: 1px solid var(--divider-color);
    transition: color 0.3s ease;
    list-style: none;
}

.page-download__faq-question:hover {
    color: var(--glow-color);
}

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

.page-download__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    margin-left: 15px;
    transition: transform 0.3s ease;
    color: var(--glow-color);
}

.page-download__faq-item[open] .page-download__faq-toggle {
    transform: rotate(45deg); /* Change + to X */
}

.page-download__faq-answer {
    padding: 15px 20px;
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Bottom Section */
.page-download__cta-bottom-section {
    padding: 60px 20px;
    background-color: #ffffff; /* Light background for contrast */
    color: #333333; /* Dark text for light background */
    text-align: center;
}

.page-download__cta-bottom-section .page-download__section-title {
    color: var(--deep-green);
}

.page-download__cta-bottom-section .page-download__section-description {
    color: #555555;
}

.page-download__cta-bottom-section .page-download__cta-buttons {
    margin-top: 30px;
}

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

/* Tablet styles */
@media (max-width: 1024px) {
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }
    .page-download__intro-text {
        font-size: 1.1em;
    }
    .page-download__advantages-grid,
    .page-download__features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .page-download__download-steps {
        flex-direction: column;
        align-items: center;
    }
    .page-download__step-card {
        max-width: 80%;
    }
}

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

    /* HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px !important; /* Small top padding, relying on body for header offset */
        padding-bottom: 30px;
    }
    .page-download__hero-container {
        flex-direction: column;
        gap: 20px;
        padding: 15px;
        width: 100%; /* Ensure full width */
        max-width: 100%;
        box-sizing: border-box;
    }
    .page-download__hero-image-wrapper {
        margin-bottom: 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-download__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-download__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
        margin-bottom: 15px;
    }
    .page-download__intro-text {
        font-size: 1em;
        margin-bottom: 25px;
    }

    /* 产品展示图区域 (QR codes are used as product images here) */
    .page-download__download-steps {
        flex-direction: column;
        align-items: center;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    .page-download__step-card {
        max-width: 100% !important;
        width: 100% !important;
        padding: 20px 15px;
        box-sizing: border-box;
    }
    .page-download__qr-code {
        width: 150px;
        height: 150px;
    }

    /* 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 {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 按钮与按钮容器 */
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 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;
        font-size: 1em !important;
    }

    /* 其他内容模块 */
    .page-download__advantages-section,
    .page-download__how-to-download-section,
    .page-download__features-section,
    .page-download__faq-section,
    .page-download__cta-bottom-section {
        padding: 40px 15px;
    }
    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 15px;
    }
    .page-download__section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-download__advantages-grid,
    .page-download__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-download__card-title {
        font-size: 1.2em;
    }
    .page-download__card-text {
        font-size: 0.9em;
    }
    .page-download__faq-question {
        font-size: 1em;
        padding: 12px 15px;
    }
    .page-download__faq-answer {
        padding: 12px 15px;
        font-size: 0.95em;
    }
}

/* General contrast rules for dark and light sections */
.page-download__dark-bg {
    background-color: var(--background-color-dark);
    color: var(--text-main);
}

.page-download__light-bg {
    background-color: #ffffff;
    color: #333333;
}

/* Ensure card colors adapt to section background */
.page-download__dark-bg .page-download__card {
    background-color: var(--card-bg);
    border-color: var(--border-color);
    color: var(--text-main);
}

.page-download__dark-bg .page-download__card-title {
    color: var(--gold-color);
}

.page-download__dark-bg .page-download__card-text {
    color: var(--text-secondary);
}

.page-download__light-bg .page-download__card {
    background-color: #f8f8f8;
    border-color: #e0e0e0;
    color: #333333;
}

.page-download__light-bg .page-download__card-title {
    color: var(--primary-color);
}

.page-download__light-bg .page-download__card-text {
    color: #666666;
}