/* style/download.css */
:root {
    --color-primary: #113B7A;
    --color-secondary: #1D5FD1;
    --color-text-main: #F3F8FF;
    --color-text-secondary: #AFC4E8;
    --color-card-bg: #10233F;
    --color-border: #244D84;
    --color-glow: #4FA8FF;
    --color-gold: #F2C14E;
    --color-divider: #1B3357;
    --color-deep-navy: #08162B;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-download {
    font-family: Arial, sans-serif;
    color: var(--color-text-main); /* Default text color for dark body background */
    background-color: var(--color-deep-navy); /* From body background in shared.css */
}

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

/* Hero Section */
.page-download__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    padding-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-height: 70vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.7); /* Slightly darken image for text contrast */
}

.page-download__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 20px;
    margin-top: -150px; /* Pull content up over the image slightly */
    background: rgba(16, 35, 63, 0.8); /* Semi-transparent card-bg for text readability */
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--color-border);
}

.page-download__main-title {
    font-size: clamp(2em, 4vw, 3.2em);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gold);
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(79, 168, 255, 0.5);
}

.page-download__description {
    font-size: 1.1em;
    line-height: 1.6;
    color: var(--color-text-main);
    margin-bottom: 30px;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-download__btn-primary {
    background: var(--button-gradient);
    color: var(--color-text-main);
    border: 2px solid var(--color-glow);
    box-shadow: 0 0 15px rgba(79, 168, 255, 0.6);
}

.page-download__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(79, 168, 255, 0.8);
}

.page-download__btn-secondary {
    background: transparent;
    color: var(--color-glow);
    border: 2px solid var(--color-glow);
}

.page-download__btn-secondary:hover {
    background: rgba(79, 168, 255, 0.1);
    color: var(--color-text-main);
}

/* General Section Styles */
.page-download__section-title {
    font-size: clamp(1.8em, 3vw, 2.5em);
    font-weight: 700;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 40px;
    padding-top: 40px;
    text-shadow: 0 0 8px rgba(79, 168, 255, 0.4);
}

.page-download__text-block {
    font-size: 1em;
    line-height: 1.7;
    margin-bottom: 20px;
    color: var(--color-text-main);
}

.page-download__dark-section {
    background-color: var(--color-primary);
    padding: 60px 0;
    color: var(--color-text-main);
}

.page-download__light-section {
    background-color: var(--color-card-bg);
    padding: 60px 0;
    color: var(--color-text-main);
}

.page-download__text-secondary {
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
}

/* Info Section Features Grid */
.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__feature-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

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

.page-download__feature-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
}

.page-download__feature-title {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 15px;
}

.page-download__feature-description {
    font-size: 0.95em;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* How-to-Download Section */
.page-download__download-platform {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.page-download__platform-item {
    background-color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 30px;
    max-width: 500px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    flex: 1 1 45%; /* Allow flex-grow and shrink */
    box-sizing: border-box;
}

.page-download__platform-title {
    font-size: 1.6em;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 25px;
}

.page-download__platform-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 25px;
    display: block;
}

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

.page-download__install-steps li {
    margin-bottom: 15px;
    font-size: 1em;
    line-height: 1.6;
    color: var(--color-text-main);
}

.page-download__step-title {
    color: var(--color-glow);
    font-weight: 600;
}

.page-download__btn-platform {
    width: 100%;
    margin-top: 20px;
}

/* Features App (Game Showcase) Section */
.page-download__game-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__game-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

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

.page-download__game-image {
    width: 100%;
    height: 180px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
}

.page-download__game-title {
    font-size: 1.3em;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.page-download__game-description {
    font-size: 0.9em;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.page-download__cta-buttons--center {
    text-align: center;
    margin-top: 40px;
}

/* FAQ Section */
.page-download__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-download__faq-item {
    background-color: var(--color-primary);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15em;
    font-weight: 600;
    color: var(--color-text-main);
    cursor: pointer;
    list-style: none; /* Remove default marker for <summary> */
}

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

.page-download__faq-question .page-download__faq-qtext {
    flex-grow: 1;
    color: var(--color-gold);
}

.page-download__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--color-glow);
    margin-left: 15px;
    width: 20px; /* Fixed width to prevent shift */
    text-align: center;
}

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    line-height: 1.7;
    color: var(--color-text-secondary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.page-download__faq-item[open] .page-download__faq-answer {
    max-height: 500px; /* Arbitrary large value to allow content to show */
    padding-top: 10px;
}

/* Conclusion Section */
.page-download__conclusion-section {
    background-color: var(--color-deep-navy);
    padding: 80px 0;
    text-align: center;
}

.page-download__conclusion-section .page-download__section-title {
    color: var(--color-gold);
    margin-bottom: 30px;
}

.page-download__conclusion-section .page-download__text-block {
    max-width: 800px;
    margin: 0 auto 40px auto;
    font-size: 1.1em;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__hero-content {
        margin-top: -100px;
        padding: 15px;
    }
    .page-download__main-title {
        font-size: clamp(1.8em, 3.5vw, 2.8em);
    }
    .page-download__description {
        font-size: 1em;
    }
    .page-download__cta-buttons {
        gap: 15px;
    }
    .page-download__btn-primary, .page-download__btn-secondary {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-download__download-platform {
        flex-direction: column;
        align-items: center;
    }
    .page-download__platform-item {
        max-width: 100%;
        flex: 1 1 100%;
    }
}

@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; /* Top padding for hero section */
        padding-bottom: 20px;
    }
    .page-download__hero-image-wrapper {
        max-height: 40vh;
    }
    .page-download__hero-content {
        margin-top: -80px; /* Adjust for smaller screens */
        padding: 15px;
        width: calc(100% - 30px); /* Account for padding */
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-download__main-title {
        font-size: clamp(1.6em, 6vw, 2.2em);
        margin-bottom: 15px;
    }
    .page-download__description {
        font-size: 0.95em;
        margin-bottom: 20px;
    }
    .page-download__cta-buttons {
        flex-direction: column; /* Buttons stack vertically */
        gap: 10px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 按钮与按钮容器 */
    .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 15px;
        font-size: 1em;
    }
    .page-download__cta-buttons--center {
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 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__container,
    .page-download__section,
    .page-download__card,
    .page-download__download-platform,
    .page-download__game-showcase-grid,
    .page-download__faq-list {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 其他内容模块 */
    .page-download__section-title {
        font-size: clamp(1.6em, 5vw, 2em);
        margin-bottom: 25px;
        padding-top: 30px;
    }
    .page-download__text-block {
        font-size: 0.95em;
    }
    .page-download__dark-section, .page-download__light-section {
        padding: 40px 0;
    }
    .page-download__features-grid {
        grid-template-columns: 1fr; /* Stack features */
        gap: 20px;
    }
    .page-download__feature-item {
        padding: 20px;
    }
    .page-download__platform-item {
        padding: 20px;
    }
    .page-download__game-showcase-grid {
        grid-template-columns: 1fr; /* Stack game cards */
        gap: 20px;
    }
    .page-download__game-image {
        height: 150px; /* Adjust height for mobile */
    }
    .page-download__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
    }
    .page-download__conclusion-section {
        padding: 50px 0;
    }
}