/* Base styles for the blog page */
.page-blog {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light backgrounds */
    background-color: var(--background-color, #FFFFFF); /* Inherit from shared or default to white */
}

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

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, shared.css handles body padding */
    padding-bottom: 40px;
    background-color: var(--background-color, #FFFFFF);
    text-align: center;
}

.page-blog__hero-image-wrapper {
    margin-bottom: 20px;
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-blog__hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-blog__hero-title {
    font-size: 2.8em;
    font-weight: bold;
    color: #017439;
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-blog__hero-description {
    font-size: 1.1em;
    color: #555555;
    margin-bottom: 30px;
}

.page-blog__hero-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Ensure buttons wrap on smaller screens */
}

/* Buttons */
.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    cursor: pointer;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog__btn-primary {
    background-color: #C30808; /* Register/Login color */
    color: #FFFF00; /* Register/Login font color */
    border: 2px solid #C30808;
}

.page-blog__btn-primary:hover {
    background-color: #a00606;
    border-color: #a00606;
}

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

.page-blog__btn-secondary:hover {
    background-color: #017439;
    color: #FFFFFF;
}

/* Section Titles */
.page-blog__section-title {
    font-size: 2.2em;
    color: #017439;
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

/* Latest Articles Section */
.page-blog__latest-articles-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

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

.page-blog__article-card {
    background-color: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog__article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.page-blog__article-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.page-blog__article-image {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-blog__article-content {
    padding: 20px;
}

.page-blog__article-title {
    font-size: 1.4em;
    color: #017439;
    margin-bottom: 10px;
    line-height: 1.3;
}

.page-blog__article-excerpt {
    font-size: 0.95em;
    color: #555555;
    margin-bottom: 15px;
}

.page-blog__article-date {
    font-size: 0.85em;
    color: #888888;
    display: block;
    margin-bottom: 10px;
}

.page-blog__read-more {
    color: #017439;
    font-weight: bold;
    font-size: 0.9em;
    display: inline-block;
    border-bottom: 1px solid #017439;
    padding-bottom: 2px;
}

.page-blog__read-more:hover {
    color: #005a2e;
    border-color: #005a2e;
}

.page-blog__view-all-button-wrapper {
    text-align: center;
    margin-top: 40px;
}

/* Categories Section */
.page-blog__categories-section {
    padding: 60px 0;
    background-color: var(--background-color, #FFFFFF);
}

.page-blog__categories-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.page-blog__category-item {
    display: inline-block;
    padding: 10px 20px;
    background-color: #e0e0e0;
    color: #333333;
    text-decoration: none;
    border-radius: 20px;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.page-blog__category-item:hover {
    background-color: #017439;
    color: #FFFFFF;
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.page-blog__faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.page-blog__faq-item {
    background-color: #FFFFFF;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.1em;
    font-weight: bold;
    color: #017439;
    cursor: pointer;
    list-style: none; /* Remove default marker for details/summary */
}

.page-blog__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}

.page-blog__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
}

.page-blog__faq-answer {
    padding: 0 25px 20px;
    font-size: 1em;
    color: #555555;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.page-blog__faq-item[open] .page-blog__faq-answer {
    max-height: 500px; /* Adjust as needed for content */
    transition: max-height 0.5s ease-in;
}

/* CTA Section */
.page-blog__cta-section {
    padding: 80px 0;
    background-color: var(--background-color, #FFFFFF);
}

.page-blog__cta-section .page-blog__container {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 40px;
    border-radius: 12px;
}

.page-blog__dark-bg {
    background-color: #017439; /* Brand primary color */
    color: #FFFFFF; /* White text for dark background */
}

.page-blog__cta-content {
    flex: 1;
    text-align: left;
}

.page-blog__cta-title {
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 15px;
    color: #FFFFFF; /* White text for dark background */
}

.page-blog__cta-description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #f0f0f0; /* Slightly off-white for contrast */
}

.page-blog__cta-buttons-wrapper {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.page-blog__cta-image-wrapper {
    flex: 1;
    text-align: center;
}

.page-blog__cta-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
}

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

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

/* @media (max-width: 1024px) */
@media (max-width: 1024px) {
    .page-blog__hero-title {
        font-size: 2.2em;
    }

    .page-blog__section-title {
        font-size: 1.8em;
    }

    .page-blog__cta-section .page-blog__container {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }

    .page-blog__cta-content {
        text-align: center;
    }

    .page-blog__cta-buttons-wrapper {
        justify-content: center;
    }
}


/* @media (max-width: 768px)必写清单 */
@media (max-width: 768px) {
    /* 1. HERO 主图区域 */
    .page-blog__hero-section {
        padding-top: 10px !important; /* Small top padding */
        padding-bottom: 30px;
    }

    .page-blog__hero-title {
        font-size: 1.8em !important;
        margin-bottom: 10px;
    }

    .page-blog__hero-description {
        font-size: 1em !important;
        margin-bottom: 20px;
    }

    .page-blog__hero-cta-buttons {
        flex-direction: column !important;
        gap: 15px;
        padding: 0 15px;
    }

    /* 2. 产品展示图区域 (General article grid adaptation) */
    .page-blog__article-grid {
        grid-template-columns: 1fr !important; /* Single column layout */
        gap: 20px;
        padding: 0 15px;
    }
    
    .page-blog__article-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog__article-image {
        height: 180px !important; /* Adjust height for mobile */
    }

    /* 3. 通用图片与容器 */
    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    
    .page-blog__section,
    .page-blog__card,
    .page-blog__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    /* 4. 按钮与按钮容器 */
    .page-blog__btn-primary,
    .page-blog__btn-secondary,
    .page-blog a[class*="button"],
    .page-blog 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 !important;
        padding-right: 15px !important;
    }
    
    .page-blog__hero-cta-buttons,
    .page-blog__cta-buttons-wrapper,
    .page-blog__view-all-button-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
        flex-direction: column !important; /* Force column for buttons on mobile */
    }

    /* 5. 其他内容模块 */
    .page-blog__section-title {
        font-size: 1.6em !important;
        margin-bottom: 30px;
    }

    .page-blog__categories-list {
        flex-direction: column !important;
        align-items: center;
        padding: 0 15px;
    }

    .page-blog__category-item {
        width: 100%;
        max-width: 250px; /* Limit width for category buttons */
    }

    .page-blog__faq-list {
        padding: 0 15px;
    }

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

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

    .page-blog__cta-section .page-blog__container {
        padding: 20px !important;
        flex-direction: column-reverse !important; /* Image above text for CTA */
    }

    .page-blog__cta-title {
        font-size: 2em !important;
    }

    .page-blog__cta-description {
        font-size: 1em !important;
    }

    .page-blog__cta-content {
        order: 2; /* Content after image on mobile */
    }
    .page-blog__cta-image-wrapper {
        order: 1; /* Image before content on mobile */
        margin-bottom: 20px;
    }
}

/* Color Contrast Fixes (if needed, but design should prevent) */
.page-blog__contrast-fix {
  background: #ffffff !important;
  color: #333333 !important;
  border: 1px solid #e0e0e0 !important;
}

.page-blog__text-contrast-fix {
  color: #333333 !important;
  text-shadow: none !important;
}