.page-download {
    font-family: Arial, sans-serif;
    color: #1F2D3D; /* Text Main */
    background-color: #F4F7FB; /* Background */
    line-height: 1.6;
}

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

/* Hero Section */
.page-download__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
    background-color: #F4F7FB; /* Background */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    overflow: hidden; /* Ensure no overflow */
}

.page-download__hero-image-wrapper {
    width: 100%;
    overflow: hidden;
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 675px; /* Limit height for hero image */
}

.page-download__hero-content {
    padding: 40px 20px;
    max-width: 800px;
    position: relative; /* Ensure content is above any potential background issues */
    z-index: 1;
}

.page-download__main-title {
    font-size: clamp(2em, 4vw, 3em); /* Responsive font size */
    color: #2F6BFF; /* Main Color */
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-download__description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #1F2D3D; /* Text Main */
}

.page-download__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.page-download__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    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: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button color */
    color: #ffffff;
    border: none;
}

.page-download__btn-primary:hover {
    opacity: 0.9;
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

.page-download__btn-secondary {
    background: #ffffff; /* Card BG */
    color: #2F6BFF; /* Main Color */
    border: 2px solid #2F6BFF; /* Main Color */
}

.page-download__btn-secondary:hover {
    background: #2F6BFF; /* Main Color */
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.2);
}

/* General Sections */
.page-download__section {
    padding: 60px 0;
    text-align: center;
}

.page-download__section-title {
    font-size: 2.2em;
    color: #2F6BFF; /* Main Color */
    margin-bottom: 40px;
    font-weight: bold;
}

/* Why Download Section */
.page-download__why-download {
    background-color: #F4F7FB; /* Background */
}

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

.page-download__card {
    background-color: #ffffff; /* Card BG */
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; /* Ensure cards are same height */
    display: flex;
    flex-direction: column;
    color: #1F2D3D; /* Text Main */
}

.page-download__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.page-download__card-title {
    font-size: 1.5em;
    color: #2F6BFF; /* Main Color */
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download__card-text {
    font-size: 1em;
    color: #1F2D3D; /* Text Main */
}

/* Features Section */
.page-download__features {
    background-color: #ffffff; /* Card BG */
}

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

.page-download__feature-item {
    background-color: #F4F7FB; /* Background */
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    text-align: center;
    color: #1F2D3D; /* Text Main */
    height: 100%;
    display: flex;
    flex-direction: column;
}

.page-download__feature-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 20px;
    display: block; /* Ensure no extra space below image */
}

.page-download__feature-title {
    font-size: 1.6em;
    color: #2F6BFF; /* Main Color */
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download__feature-text {
    font-size: 1em;
    color: #1F2D3D; /* Text Main */
}

.page-download__feature-list {
    margin-top: 50px;
    text-align: left;
    background-color: #ffffff; /* Card BG */
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    color: #1F2D3D; /* Text Main */
}

.page-download__feature-list-title {
    font-size: 1.4em;
    color: #2F6BFF; /* Main Color */
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__feature-list ul {
    list-style: disc inside;
    padding-left: 20px;
}

.page-download__feature-list li {
    margin-bottom: 10px;
    font-size: 1em;
}

/* Download Guide Section */
.page-download__download-guide {
    background-color: #F4F7FB; /* Background */
}

.page-download__download-steps {
    display: flex;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-download__download-platform {
    flex: 1;
    min-width: 300px;
    max-width: 550px;
    background-color: #ffffff; /* Card BG */
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: left;
    color: #1F2D3D; /* Text Main */
}

.page-download__platform-title {
    font-size: 1.8em;
    color: #2F6BFF; /* Main Color */
    margin-bottom: 25px;
    font-weight: bold;
    text-align: center;
}

.page-download__step-list {
    list-style: decimal;
    padding-left: 25px;
    margin-bottom: 30px;
}

.page-download__step-list li {
    margin-bottom: 15px;
    font-size: 1em;
}

.page-download__step-list li strong {
    color: #2F6BFF; /* Main Color */
}

.page-download__qr-code-wrapper {
    text-align: center;
    margin-top: 20px;
}

.page-download__qr-code {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: 20px;
    border: 1px solid #D6E2FF; /* Border */
    border-radius: 8px;
    display: block; /* Ensure no extra space */
    margin-left: auto;
    margin-right: auto;
}

.page-download__btn-download-android,
.page-download__btn-download-ios {
    width: fit-content;
    margin: 0 auto;
}

/* Security Section */
.page-download__security {
    background-color: #ffffff; /* Card BG */
}

.page-download__security-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-download__security-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: block; /* Ensure no extra space */
}

.page-download__security-text {
    flex: 1;
    min-width: 300px;
    text-align: left;
    color: #1F2D3D; /* Text Main */
}

.page-download__security-text p {
    margin-bottom: 20px;
    font-size: 1em;
}

.page-download__link {
    color: #2F6BFF; /* Main Color */
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-download__link:hover {
    text-decoration: underline;
}

/* FAQ Section */
.page-download__faq-section {
    background-color: #F4F7FB; /* Background */
}

.page-download__faq-list {
    margin-top: 30px;
    text-align: left;
}

.page-download__faq-item {
    background-color: #ffffff; /* Card BG */
    border: 1px solid #D6E2FF; /* Border */
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #1F2D3D; /* Text Main */
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.1em;
    font-weight: bold;
    color: #2F6BFF; /* Main Color */
    cursor: pointer;
    list-style: none; /* For details/summary */
    position: relative;
    transition: background-color 0.3s ease;
}

.page-download__faq-question:hover {
    background-color: rgba(47, 107, 255, 0.05);
}

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

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: #2F6BFF; /* Main Color */
    margin-left: 15px;
    transition: transform 0.3s ease;
}

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

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: #1F2D3D; /* Text Main */
}

.page-download__faq-answer p {
    margin-bottom: 10px;
}

/* Final CTA Section */
.page-download__cta-final {
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button color */
    color: #ffffff;
    padding: 80px 0;
}

.page-download__cta-content {
    max-width: 800px;
}

.page-download__cta-final .page-download__section-title {
    color: #ffffff;
    margin-bottom: 25px;
}

.page-download__cta-final .page-download__description {
    color: #ffffff;
    margin-bottom: 40px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__container {
        padding: 20px 30px;
    }

    .page-download__hero-content {
        padding: 30px 20px;
    }

    .page-download__main-title {
        font-size: clamp(1.8em, 5vw, 2.5em);
    }

    .page-download__section-title {
        font-size: 2em;
    }

    .page-download__grid,
    .page-download__feature-grid,
    .page-download__download-steps,
    .page-download__security-content {
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .page-download {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-download__container {
        padding: 0 15px; /* Adjust padding for mobile */
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* HERO 主图区域 */
    .page-download__hero-section {
        padding-top: 10px;
    }
    .page-download__hero-image {
        max-height: 300px;
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-download__hero-content {
        padding: 20px 15px;
    }
    .page-download__main-title {
        font-size: clamp(1.5em, 7vw, 2em);
        margin-bottom: 15px;
    }
    .page-download__description {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* 按钮与按钮容器 */
    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }
    .page-download__btn,
    .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-left: 15px;
        padding-right: 15px;
    }
    .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;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }


    .page-download__section {
        padding: 40px 0;
    }
    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
        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;
    }
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__feature-item,
    .page-download__download-platform,
    .page-download__security-content {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-download__grid,
    .page-download__feature-grid,
    .page-download__download-steps,
    .page-download__security-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-download__card,
    .page-download__feature-item,
    .page-download__download-platform {
        padding: 20px;
    }

    .page-download__qr-code {
        width: 150px;
        height: 150px;
    }

    .page-download__security-image {
        max-width: 100%;
    }

    .page-download__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
    }

    .page-download__cta-final {
        padding: 50px 0;
    }
    .page-download__cta-final .page-download__section-title {
        font-size: 1.8em;
    }
}