.page-download {
    background-color: var(--background-color, #08160F);
    color: var(--text-main, #F2FFF6);
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

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

.page-download__hero-section {
    padding-top: 10px; /* Aligned with common requirements for header offset */
    padding-bottom: 40px;
    padding-left: 0;
    padding-right: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-download__hero-image-container {
    width: 100%;
    max-height: 700px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

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

.page-download__hero-content {
    padding: 0 20px;
    max-width: 800px;
    margin: 0 auto;
}

.page-download__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em);
    font-weight: 700;
    color: var(--text-main, #F2FFF6);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-download__description {
    font-size: 1.1em;
    color: var(--text-secondary, #A7D9B8);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-download__btn-primary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: background 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    box-sizing: border-box;
}

.page-download__btn-primary:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
    transform: translateY(-2px);
}

.page-download__section-title {
    font-size: clamp(1.8em, 3.5vw, 3em);
    font-weight: 700;
    color: var(--text-main, #F2FFF6);
    text-align: center;
    margin-bottom: 30px;
    margin-top: 60px;
}

.page-download__text-block {
    font-size: 1em;
    color: var(--text-secondary, #A7D9B8);
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
}

.page-download__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    padding: 0 20px;
}

.page-download__feature-item {
    background-color: var(--card-bg, #11271B);
    border: 1px solid var(--border-color, #2E7A4E);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.page-download__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-download__feature-title {
    font-size: 1.4em;
    color: var(--text-main, #F2FFF6);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-download__feature-description {
    color: var(--text-secondary, #A7D9B8);
    font-size: 0.95em;
}

.page-download__how-to-download-section {
    padding: 60px 0;
}

.page-download__platform-guide {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
    padding: 0 20px;
}

.page-download__guide-item {
    background-color: var(--card-bg, #11271B);
    border: 1px solid var(--border-color, #2E7A4E);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
}

.page-download__guide-title {
    font-size: 1.8em;
    color: var(--gold, #F2C14E);
    margin-bottom: 25px;
    font-weight: 700;
}

.page-download__qr-code-container {
    margin: 20px auto;
    width: 300px;
    height: 300px;
    background-color: #ffffff; /* QR codes are usually black on white */
    padding: 10px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__qr-code {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.page-download__guide-steps {
    list-style-type: decimal;
    padding-left: 25px;
    text-align: left;
    color: var(--text-secondary, #A7D9B8);
    margin-bottom: 30px;
    font-size: 0.95em;
}

.page-download__guide-steps li {
    margin-bottom: 10px;
}

.page-download__app-screenshot {
    width: 100%;
    height: auto;
    max-width: 600px;
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-download__features-showcase-section {
    padding: 60px 0;
}

.page-download__features-image {
    width: 100%;
    height: auto;
    max-width: 1000px;
    border-radius: 12px;
    margin: 40px auto;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    display: block;
}

.page-download__features-list {
    list-style-type: disc;
    padding-left: 25px;
    color: var(--text-secondary, #A7D9B8);
    max-width: 900px;
    margin: 0 auto;
    font-size: 1em;
}

.page-download__features-list li {
    margin-bottom: 15px;
}

.page-download__features-list strong {
    color: var(--text-main, #F2FFF6);
    font-weight: 600;
}

.page-download__faq-section {
    padding: 60px 0;
}

.page-download__faq-list {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.page-download__faq-item {
    background-color: var(--card-bg, #11271B);
    border: 1px solid var(--border-color, #2E7A4E);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-main, #F2FFF6);
    background-color: var(--deep-green, #0A4B2C);
    border-bottom: 1px solid var(--divider, #1E3A2A);
    list-style: none; /* Remove default marker for details summary */
}

.page-download__faq-question::-webkit-details-marker, /* Hide default marker for Webkit browsers */
.page-download__faq-question::marker { 
    display: none;
    content: "";
}

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

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--gold, #F2C14E);
    transition: transform 0.2s ease;
}

.page-download__faq-item[open] .page-download__faq-toggle {
    transform: rotate(45deg);
}

.page-download__faq-answer {
    padding: 20px 25px;
    font-size: 0.95em;
    color: var(--text-secondary, #A7D9B8);
    text-align: left;
}

.page-download__final-cta-section {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(90deg, #11A84E, #22C768); /* Use brand colors for a vibrant CTA */
    margin-top: 60px;
}

.page-download__final-cta-section .page-download__section-title,
.page-download__final-cta-section .page-download__text-block {
    color: #ffffff;
}

.page-download__btn-final-download {
    margin-top: 30px;
    padding: 18px 40px;
    font-size: 1.2em;
    border-radius: 10px;
}

.page-download__copyright {
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
    color: var(--text-secondary, #A7D9B8);
    background-color: var(--background-color, #08160F);
    border-top: 1px solid var(--divider, #1E3A2A);
}

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

/* @media (max-width: 1024px) */
@media (max-width: 1024px) {
    .page-download__container {
        padding: 15px;
    }

    .page-download__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }

    .page-download__description {
        font-size: 1em;
    }

    .page-download__section-title {
        font-size: clamp(1.6em, 4.5vw, 2.5em);
    }

    .page-download__cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .page-download__btn-primary {
        width: 80%;
        max-width: 300px;
    }

    .page-download__platform-guide {
        grid-template-columns: 1fr;
    }

    .page-download__guide-item {
        padding: 25px;
    }

    .page-download__qr-code-container {
        width: 250px;
        height: 250px;
    }

    .page-download__app-screenshot {
        max-width: 500px;
    }

    .page-download__features-image {
        max-width: 800px;
    }

    .page-download__features-list,
    .page-download__faq-list {
        padding: 0 15px;
    }

    .page-download__faq-question {
        font-size: 1em;
        padding: 18px 20px;
    }

    .page-download__faq-answer {
        padding: 18px 20px;
    }
}

/* @media (max-width: 768px) - Mobile specific styles */
@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px !important;
        padding-bottom: 20px;
    }

    .page-download__hero-image-container {
        max-height: 400px;
    }

    .page-download__main-title {
        font-size: 2em !important;
        line-height: 1.3;
    }

    .page-download__description {
        font-size: 0.95em !important;
        padding: 0 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__feature-grid,
    .page-download__platform-guide,
    .page-download__faq-list,
    .page-download__cta-buttons,
    .page-download__button-group,
    .page-download__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

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

    .page-download__btn-primary,
    .page-download__btn-download-android,
    .page-download__btn-download-ios,
    .page-download__btn-final-download,
    .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: 15px 10px !important;
        font-size: 1em !important;
    }

    /* 产品展示图区域 (if applicable, though not a grid of products here) */
    .page-download__feature-grid {
        grid-template-columns: 1fr !important; /* Single column for features */
        gap: 20px;
    }

    .page-download__platform-guide {
        grid-template-columns: 1fr !important; /* Single column for download guides */
        gap: 30px;
    }

    .page-download__guide-item {
        padding: 20px;
    }

    .page-download__qr-code-container {
        width: 200px;
        height: 200px;
        margin: 15px auto;
    }

    .page-download__guide-steps {
        font-size: 0.9em;
        padding-left: 20px;
    }

    .page-download__app-screenshot {
        max-width: 100% !important;
        width: 100% !important;
    }

    .page-download__features-image {
        max-width: 100% !important;
        width: 100% !important;
        margin: 20px auto;
    }

    .page-download__features-list {
        font-size: 0.95em;
        padding-left: 20px;
    }

    /* 其他内容模块 */
    .page-download__section-title {
        font-size: 1.8em !important;
        margin-top: 40px;
        margin-bottom: 20px;
    }

    .page-download__text-block {
        font-size: 0.9em !important;
        margin-bottom: 20px;
        padding: 0 15px;
    }

    .page-download__faq-question {
        font-size: 0.95em !important;
        padding: 15px 20px;
    }

    .page-download__faq-answer {
        font-size: 0.9em !important;
        padding: 15px 20px;
    }

    .page-download__final-cta-section {
        padding: 40px 15px;
        margin-top: 40px;
    }

    .page-download__btn-final-download {
        font-size: 1.1em !important;
        padding: 15px 25px !important;
    }

    .page-download__copyright {
        font-size: 0.8em;
        padding: 15px;
    }
}