/* style/download.css */

/* Custom Colors */
:root {
    --page-download-primary: #11A84E; /* 主色调 */
    --page-download-secondary: #22C768; /* 辅助色 */
    --page-download-btn-gradient-start: #2AD16F; /* 按钮渐变开始 */
    --page-download-btn-gradient-end: #13994A; /* 按钮渐变结束 */
    --page-download-card-bg: #11271B; /* Card BG */
    --page-download-bg: #08160F; /* 背景 */
    --page-download-text-main: #F2FFF6; /* Text Main */
    --page-download-text-secondary: #A7D9B8; /* Text Secondary */
    --page-download-border: #2E7A4E; /* 边框 */
    --page-download-glow: #57E38D; /* Glow */
    --page-download-gold: #F2C14E; /* Gold */
    --page-download-divider: #1E3A2A; /* Divider */
    --page-download-deep-green: #0A4B2C; /* Deep Green */
}

/* Body background is dark (from shared.css or similar global var), so default text should be light */
.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--page-download-text-main); /* Light text for dark background */
    background-color: var(--page-download-bg); /* Explicitly set for main section */
}

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

.page-download__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--page-download-text-main);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-download__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--page-download-primary);
    border-radius: 2px;
}

/* Hero Section */
.page-download__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    background-color: var(--page-download-bg);
    color: var(--page-download-text-main);
    text-align: center;
    overflow: hidden; /* Ensure image doesn't overflow */
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 1200px; /* Constrain image wrapper */
    margin-bottom: 30px;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
    max-width: 800px;
    margin-top: 20px;
}

.page-download__main-title {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--page-download-text-main);
    margin-bottom: 20px;
    /* No fixed font-size, rely on natural flow and weight */
}

.page-download__description {
    font-size: 1.1em;
    color: var(--page-download-text-secondary);
    margin-bottom: 30px;
}

/* Buttons */
.page-download__btn-primary {
    display: inline-block;
    background: linear-gradient(180deg, var(--page-download-btn-gradient-start) 0%, var(--page-download-btn-gradient-end) 100%);
    color: #ffffff; /* Explicitly white for contrast */
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
}

.page-download__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
}

.page-download__btn-large {
    padding: 18px 40px;
    font-size: 1.2em;
}

/* Why Download Section */
.page-download__why-download {
    background-color: #ffffff; /* Light background for this section */
    color: #333333; /* Dark text for light background */
    padding: 80px 0;
}

.page-download__why-download .page-download__section-title {
    color: #333333;
}
.page-download__why-download .page-download__section-title::after {
    background-color: var(--page-download-primary);
}


.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__feature-item {
    background-color: #f8f8f8; /* Light card background */
    color: #333333; /* Dark text */
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid #e0e0e0;
}

.page-download__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.page-download__feature-title {
    font-size: 1.5em;
    color: var(--page-download-primary);
    margin-bottom: 15px;
}

.page-download__feature-text {
    font-size: 1em;
    color: #555555;
}

/* How to Download Section */
.page-download__how-to-download {
    background-color: var(--page-download-bg);
    color: var(--page-download-text-main);
    padding: 80px 0;
}

.page-download__download-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__download-platform {
    background-color: var(--page-download-card-bg);
    color: var(--page-download-text-main);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--page-download-border);
}

.page-download__platform-title {
    font-size: 1.8em;
    color: var(--page-download-gold);
    margin-bottom: 20px;
    text-align: center;
}

.page-download__platform-image {
    width: 100%;
    height: auto;
    display: block;
    margin-bottom: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

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

.page-download__step-item {
    margin-bottom: 15px;
    font-size: 1.05em;
    line-height: 1.5;
    color: var(--page-download-text-secondary);
}

.page-download__step-item strong {
    color: var(--page-download-text-main);
}

.page-download__text-link {
    color: var(--page-download-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-download__text-link:hover {
    color: var(--page-download-secondary);
    text-decoration: underline;
}

.page-download__notes {
    margin-top: 40px;
    background-color: var(--page-download-deep-green);
    color: var(--page-download-text-main);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--page-download-border);
}

.page-download__notes-title {
    font-size: 1.6em;
    color: var(--page-download-gold);
    margin-bottom: 15px;
}

.page-download__notes-list {
    list-style: disc;
    padding-left: 25px;
    color: var(--page-download-text-secondary);
}

.page-download__notes-item {
    margin-bottom: 10px;
}

/* App Features Section */
.page-download__features-app {
    background-color: #ffffff; /* Light background */
    color: #333333; /* Dark text */
    padding: 80px 0;
}

.page-download__features-app .page-download__section-title {
    color: #333333;
}
.page-download__features-app .page-download__section-title::after {
    background-color: var(--page-download-primary);
}

.page-download__features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__feature-card {
    background-color: #f8f8f8; /* Light card background */
    color: #333333; /* Dark text */
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    border: 1px solid #e0e0e0;
}

.page-download__feature-icon {
    width: 100%; /* Image fills card width */
    height: auto;
    max-width: 400px; /* Max width for consistency */
    display: block;
    margin: 0 auto 20px auto;
    border-radius: 8px;
}

.page-download__feature-card-title {
    font-size: 1.4em;
    color: var(--page-download-primary);
    margin-bottom: 10px;
}

.page-download__feature-card-text {
    font-size: 0.95em;
    color: #555555;
}

/* FAQ Section */
.page-download__faq-section {
    background-color: var(--page-download-bg);
    color: var(--page-download-text-main);
    padding: 80px 0;
}

.page-download__faq-list {
    margin-top: 40px;
}

.page-download__faq-item {
    background-color: var(--page-download-card-bg);
    border: 1px solid var(--page-download-border);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--page-download-text-main);
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    color: var(--page-download-gold);
    list-style: none; /* For details/summary */
}

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

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--page-download-primary);
}

.page-download__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    line-height: 1.6;
    color: var(--page-download-text-secondary);
    /* For details tag, browser handles show/hide. For div, JS handles max-height */
}

/* Conclusion Section */
.page-download__conclusion-section {
    background-color: #ffffff; /* Light background */
    color: #333333; /* Dark text */
    padding: 80px 0;
    text-align: center;
}

.page-download__conclusion-section .page-download__section-title {
    color: #333333;
}
.page-download__conclusion-section .page-download__section-title::after {
    background-color: var(--page-download-primary);
}

.page-download__conclusion-section .page-download__description {
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #555555;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-download__main-title {
        font-size: 2.8em;
    }
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__hero-section {
        padding: 40px 15px;
    }
    .page-download__container {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .page-download__main-title {
        font-size: 2em; /* Smaller H1 for mobile */
    }
    .page-download__section-title {
        font-size: 1.8em;
    }
    .page-download__description {
        font-size: 1em;
    }

    /* Images responsive */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important; /* Ensure image takes full width of its container */
        height: auto !important;
        display: block !important;
    }

    /* Image containers responsive */
    .page-download__hero-image-wrapper,
    .page-download__download-platform,
    .page-download__feature-card,
    .page-download__feature-item,
    .page-download__notes,
    .page-download__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Buttons responsive */
    .page-download__btn-primary,
    .page-download__btn-large {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 15px 20px !important; /* Adjust padding for smaller screens */
        font-size: 1em !important;
        text-align: center;
    }
    
    .page-download__hero-content .page-download__btn-primary {
        margin-left: auto;
        margin-right: auto;
    }

    .page-download__features-grid,
    .page-download__download-steps-grid,
    .page-download__features-list {
        grid-template-columns: 1fr; /* Single column layout for mobile */
        gap: 20px;
        padding: 0 15px; /* Add padding to grid containers */
    }

    .page-download__hero-section {
        padding: 30px 0;
    }
    .page-download__why-download,
    .page-download__how-to-download,
    .page-download__features-app,
    .page-download__faq-section,
    .page-download__conclusion-section {
        padding: 40px 0;
    }
    .page-download__section-title {
        margin-bottom: 30px;
    }
    .page-download__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
    }
    .page-download__faq-answer {
        padding: 0 20px 15px;
    }
}

/* Ensure no filter is used on images */
.page-download img {
    filter: none;
}