/* style/download.css */
/* 页面完整样式代码 - 注意：所有选择器必须使用BEM命名规则（双下划线__连接） */

/* General Styles */
.page-download {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background-color: var(--secondary-color);
}

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

.page-download__section {
    padding: 60px 0;
    text-align: center;
}

.page-download__section-title {
    font-size: 2.5em;
    color: #017439;
    margin-bottom: 30px;
    font-weight: bold;
}

.page-download__text-block {
    font-size: 1.1em;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #333333;
}

.page-download__text-block--white {
    color: #ffffff;
}

/* Buttons */
.page-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-download__btn-primary {
    background-color: #C30808;
    color: #FFFF00;
    border: 2px solid #C30808;
}

.page-download__btn-primary:hover {
    background-color: #a30606;
    border-color: #a30606;
}

.page-download__btn-secondary {
    background-color: #FFFFFF;
    color: #017439;
    border: 2px solid #017439;
}

.page-download__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #017439;
}

/* Hero Section */
.page-download__hero-section {
    position: relative;
    padding: 0;
    padding-top: var(--header-offset, 120px); /* Fixed header offset */
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    text-align: center;
    overflow: hidden;
}

.page-download__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.page-download__hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.page-download__hero-content {
    position: relative;
    z-index: 3;
    color: #FFFFFF;
    max-width: 900px;
    padding: 20px;
}

.page-download__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: #FFFFFF;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
}

.page-download__hero-description {
    font-size: 1.3em;
    margin-bottom: 30px;
    color: #f0f0f0;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
}

/* Introduction Section */
.page-download__introduction .page-download__section-title {
    color: #017439;
}

/* Benefits Section */
.page-download__benefits {
    background-color: #f8f8f8;
}

.page-download__benefits .page-download__section-title {
    color: #017439;
}

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

.page-download__card {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s ease;
    color: #333333;
}

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

.page-download__card-title {
    font-size: 1.5em;
    color: #017439;
    margin-bottom: 15px;
    font-weight: bold;
}

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

/* How to Download Section */
.page-download__how-to-download .page-download__section-title {
    color: #017439;
}

.page-download__download-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.page-download__platform-guide {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
    color: #333333;
}

.page-download__platform-title {
    font-size: 1.8em;
    color: #017439;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__image-wrapper {
    margin-bottom: 20px;
    text-align: center;
}

.page-download__platform-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.page-download__step-item {
    font-size: 1.1em;
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: #555555;
    counter-increment: step-counter;
}

.page-download__step-item::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background-color: #017439;
    color: #FFFFFF;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8em;
    font-weight: bold;
}
.page-download__download-button {
    width: 100%;
    text-align: center;
    margin-top: 20px;
}

/* Features Section */
.page-download__features {
    background-color: #017439;
    color: #FFFFFF;
}

.page-download__features .page-download__section-title {
    color: #FFFFFF;
}

.page-download__feature-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 8px;
    text-align: left;
    color: #FFFFFF;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.page-download__feature-title {
    font-size: 1.4em;
    color: #FFFF00;
    margin-bottom: 10px;
    font-weight: bold;
}

.page-download__feature-description {
    font-size: 0.95em;
    color: #f0f0f0;
}

.page-download__image-full-width {
    margin-top: 50px;
    text-align: center;
}

.page-download__feature-showcase-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

/* Security Section */
.page-download__security {
    background-color: #f8f8f8;
}

.page-download__security .page-download__section-title {
    color: #017439;
}

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

.page-download__security-item {
    background-color: #FFFFFF;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    text-align: left;
    color: #333333;
}

.page-download__security-title {
    font-size: 1.3em;
    color: #017439;
    margin-bottom: 10px;
    font-weight: bold;
}

.page-download__security-description {
    font-size: 0.95em;
    color: #555555;
}

.page-download__image-center {
    margin-top: 50px;
    text-align: center;
}

.page-download__security-banner {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

/* FAQ Section */
.page-download__faq {
    background-color: #017439;
    color: #FFFFFF;
}

.page-download__faq .page-download__section-title {
    color: #FFFFFF;
}

.page-download__faq-list {
    max-width: 800px;
    margin: 40px auto 0 auto;
    text-align: left;
}

.page-download__faq-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #FFFFFF;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    color: #FFFF00;
    list-style: none; /* Remove default summary marker */
    position: relative;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
/* Hide default details marker */
.page-download__faq-item summary::-webkit-details-marker {
    display: none;
}
.page-download__faq-item summary {
    list-style: none;
}

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
    color: #FFFFFF;
}

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

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1.05em;
    color: #f0f0f0;
    line-height: 1.5;
}

/* Final CTA Section */
.page-download__cta-final {
    background-color: #f8f8f8;
}

.page-download__cta-final .page-download__section-title {
    color: #017439;
}

.page-download__cta-final .page-download__text-block {
    color: #555555;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__hero-title {
        font-size: 3em;
    }
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__hero-description {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .page-download__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        min-height: 450px;
    }

    .page-download__hero-title {
        font-size: 2.2em;
    }

    .page-download__hero-description {
        font-size: 1em;
    }

    .page-download__section {
        padding: 40px 0;
    }

    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 20px;
    }

    .page-download__text-block {
        font-size: 1em;
        padding: 0 15px;
    }

    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px;
    }

    .page-download__btn-primary,
    .page-download__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-download__grid-layout,
    .page-download__download-steps,
    .page-download__security-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 15px;
    }

    .page-download__card,
    .page-download__platform-guide,
    .page-download__feature-card,
    .page-download__security-item {
        padding: 20px;
        text-align: center;
    }

    .page-download__card-title,
    .page-download__platform-title,
    .page-download__feature-title,
    .page-download__security-title {
        font-size: 1.3em;
        text-align: center;
    }

    .page-download__step-item {
        padding-left: 0;
        text-align: left;
        font-size: 0.95em;
    }
    .page-download__step-item::before {
        position: static;
        margin-right: 10px;
    }

    .page-download__image-wrapper,
    .page-download__image-full-width,
    .page-download__image-center {
        padding: 0 15px;
    }

    /* Force responsive image behavior */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Force responsive container behavior for images/videos */
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__image-wrapper,
    .page-download__image-full-width,
    .page-download__image-center,
    .page-download__download-steps,
    .page-download__grid-layout,
    .page-download__security-grid {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
        padding-left: 15px;
        padding-right: 15px;
    }

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

    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
        font-size: 0.95em;
    }
}

@media (max-width: 480px) {
    .page-download__hero-title {
        font-size: 1.8em;
    }
    .page-download__section-title {
        font-size: 1.5em;
    }
    .page-download__faq-question {
        font-size: 0.9em;
    }
    .page-download__faq-answer {
        font-size: 0.9em;
    }
}