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

.page-download {
    font-family: Arial, sans-serif;
    color: var(--text-main); /* Default text color for the page, as body is dark */
    background-color: transparent; /* Rely on shared.css for body background */
}

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

.page-download__hero-section {
    padding-top: 10px; /* Rely on body padding for header offset */
    padding-bottom: 60px;
    background-color: var(--deep-navy);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 1200px; /* Adjust as needed for desktop */
    margin-bottom: 20px;
}

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

.page-download__hero-content {
    position: relative;
    z-index: 1;
    padding: 0 20px;
    max-width: 800px;
}

.page-download__main-title {
    font-size: 3.2em;
    font-weight: bold;
    color: var(--gold-color);
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-download__description {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.page-download__btn-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: none;
    box-shadow: 0 5px 15px rgba(43, 115, 246, 0.4);
}

.page-download__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(43, 115, 246, 0.6);
}

.page-download__btn-secondary {
    background: var(--card-bg);
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
    box-shadow: 0 5px 15px rgba(242, 193, 78, 0.2);
}

.page-download__btn-secondary:hover {
    transform: translateY(-3px);
    background: var(--gold-color);
    color: var(--deep-navy);
    box-shadow: 0 8px 20px rgba(242, 193, 78, 0.4);
}

.page-download__section {
    padding: 60px 0;
    background-color: var(--deep-navy);
    border-top: 1px solid var(--divider-color);
}

.page-download__section-title {
    font-size: 2.5em;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 40px;
    text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-download__text-block {
    font-size: 1.1em;
    line-height: 1.7;
    color: var(--text-secondary);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

.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: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.page-download__feature-icon {
    width: 100%; /* Ensure images are responsive */
    max-width: 250px;
    height: auto;
    margin-bottom: 20px;
    border-radius: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-download__feature-title {
    font-size: 1.5em;
    color: var(--gold-color);
    margin-bottom: 10px;
}

.page-download__feature-description {
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.5;
}

.page-download__platform-guide {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.page-download__guide-card {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.page-download__guide-title {
    font-size: 2em;
    color: var(--gold-color);
    margin-bottom: 25px;
    text-align: center;
}

.page-download__guide-list {
    list-style: none;
    padding: 0;
    counter-reset: step-counter;
    margin-bottom: 30px;
}

.page-download__guide-list li {
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
    line-height: 1.6;
}

.page-download__guide-list li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    background-color: var(--gold-color);
    color: var(--deep-navy);
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 2px;
}

.page-download__guide-card .page-download__btn-primary {
    width: 100%;
    margin-top: 20px;
}

.page-download__qr-codes {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.page-download__qr-item {
    text-align: center;
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.page-download__qr-image {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: 15px;
    border-radius: 5px;
    display: block;
}

.page-download__qr-label {
    font-size: 1.1em;
    color: var(--text-main);
    font-weight: bold;
}

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

.page-download__feature-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    text-align: center;
}

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

.page-download__feature-card-description {
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.6;
}

.page-download__faq-section {
    background-color: var(--deep-navy);
}

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

.page-download__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--text-main);
    cursor: pointer;
    background-color: var(--card-bg);
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

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

.page-download__faq-question:hover {
    background-color: rgba(29, 95, 209, 0.1);
}

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

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

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1.05em;
    color: var(--text-secondary);
    line-height: 1.6;
    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; /* Sufficiently large to show content */
    padding-top: 10px;
}

.page-download__cta-final {
    padding-bottom: 80px;
}

/* General image responsiveness */
.page-download img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Tablet responsive styles */
@media (max-width: 1024px) {
    .page-download__main-title {
        font-size: 2.8em;
    }
    .page-download__section-title {
        font-size: 2.2em;
    }
    .page-download__platform-guide {
        grid-template-columns: 1fr;
    }
    .page-download__hero-image-wrapper {
        max-width: 90%;
    }
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    /* 1. HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px !important; /* Rely on body padding for header offset */
        padding-bottom: 40px;
    }
    .page-download__main-title {
        font-size: 2.2em !important;
        margin-bottom: 10px;
    }
    .page-download__description {
        font-size: 1em !important;
        margin-bottom: 20px;
    }
    .page-download__hero-image-wrapper {
        margin-bottom: 15px;
    }
    
    /* 2. 产品展示图区域 (No gameshow, but generic features grid) */
    .page-download__features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-download__why-download .page-download__feature-item {
        padding: 20px;
    }
    
    /* 3. 通用图片与容器 */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-download__section,
    .page-download__container,
    .page-download__feature-item,
    .page-download__guide-card,
    .page-download__qr-item,
    .page-download__feature-card,
    .page-download__faq-item {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__qr-codes {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    .page-download__qr-image {
        width: 150px;
        height: 150px;
    }
    
    /* 4. 按钮与按钮容器 */
    .page-download__cta-buttons {
        flex-direction: column !important;
        gap: 15px !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .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;
        font-size: 1em;
    }
    .page-download__guide-card .page-download__btn-primary {
        width: calc(100% - 30px) !important; /* Adjust for card padding */
        margin-left: 15px;
        margin-right: 15px;
    }

    /* 5. 其他内容模块 */
    .page-download__section {
        padding: 40px 0 !important;
    }
    .page-download__section-title {
        font-size: 1.8em !important;
        margin-bottom: 30px;
    }
    .page-download__text-block {
        font-size: 0.95em !important;
        margin-bottom: 30px;
    }
    .page-download__features-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .page-download__feature-card {
        padding: 25px;
    }
    .page-download__feature-card-title {
        font-size: 1.4em;
    }
    .page-download__faq-question {
        font-size: 1.1em !important;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        font-size: 0.95em !important;
        padding-left: 20px;
        padding-right: 20px;
    }
    .page-download__cta-final {
        padding-bottom: 60px !important;
    }
    .page-download__platform-guide {
        gap: 30px;
    }
    .page-download__guide-card {
        padding: 30px 15px;
    }
    .page-download__guide-title {
        font-size: 1.8em;
    }
    .page-download__guide-list li {
        font-size: 1em;
        padding-left: 25px;
    }
    .page-download__guide-list li::before {
        width: 20px;
        height: 20px;
        font-size: 0.9em;
    }
}