/* style/blog.css */

:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --button-register-bg: #C30808;
    --button-login-bg: #C30808;
    --button-text-yellow: #FFFF00; /* Original, but overridden for contrast */
}

.page-blog {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light background */
    background-color: var(--secondary-color); /* Matches body background */
}

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

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding, assuming body has header offset */
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    background-color: var(--primary-color);
}

.page-blog__hero-image-wrapper {
    width: 100%;
    max-height: 600px;
    overflow: hidden;
}

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

.page-blog__hero-content {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-light);
    max-width: 800px;
    z-index: 1;
}

.page-blog__main-title {
    font-size: clamp(2.2rem, 4vw, 3rem);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

.page-blog__hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* Section Titles & Descriptions */
.page-blog__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-blog__section-title--white {
    color: var(--text-light);
}

.page-blog__section-description {
    font-size: 1.05rem;
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__section-description--white {
    color: rgba(255, 255, 255, 0.9);
}

/* Intro Section */
.page-blog__intro-section {
    padding: 60px 0;
    background-color: var(--secondary-color);
}

.page-blog__intro-section p {
    margin-bottom: 15px;
    font-size: 1.05rem;
    color: var(--text-dark);
}

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

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

.page-blog__category-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: var(--text-light);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-blog__category-item:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.page-blog__category-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-blog__category-title a {
    color: var(--text-light);
    text-decoration: none;
}

.page-blog__category-title a:hover {
    text-decoration: underline;
}

.page-blog__category-item p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.8);
}

/* Latest Posts Section (Blog Grid) */
.page-blog__latest-posts-section {
    padding: 60px 0;
    background-color: var(--secondary-color);
}

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

.page-blog__blog-card {
    background-color: var(--secondary-color);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog__blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

.page-blog__blog-card-image {
    width: 100%;
    height: 225px; /* Fixed height for consistent card appearance */
    object-fit: cover;
    display: block;
}

.page-blog__blog-card-content {
    padding: 20px;
}

.page-blog__blog-card-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--primary-color);
    line-height: 1.3;
}

.page-blog__blog-card-title:hover {
    text-decoration: underline;
}

.page-blog__blog-card-excerpt {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.page-blog__blog-card-date {
    font-size: 0.85rem;
    color: #666;
}

.page-blog__view-all-button-wrapper {
    text-align: center;
    margin-top: 50px;
}

/* Why Choose Section */
.page-blog__why-choose-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

.page-blog__benefits-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-blog__benefits-list li {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    color: var(--text-light);
    transition: background-color 0.3s ease;
}

.page-blog__benefits-list li:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.page-blog__benefit-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-light);
}

.page-blog__benefits-list p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 60px 0;
    background-color: var(--secondary-color);
}

.page-blog__faq-list {
    max-width: 800px;
    margin: 40px auto 0 auto;
}

.page-blog__faq-item {
    background-color: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.page-blog__faq-item[open] {
    background-color: #e6ffe6; /* Light green for open FAQ */
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.15rem;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    list-style: none; /* Remove default marker */
}

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

.page-blog__faq-toggle {
    font-size: 1.8rem;
    line-height: 1;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: var(--text-dark);
}

.page-blog__faq-answer p {
    margin: 0;
}

.page-blog__faq-answer a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* CTA Bottom Section */
.page-blog__cta-bottom-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

/* Buttons */
.page-blog__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
    text-align: center;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog__btn-primary {
    background-color: var(--button-register-bg); /* Use specific red for primary CTAs */
    color: var(--text-light); /* Ensure contrast with white text */
    border: 2px solid var(--button-register-bg);
}

.page-blog__btn-primary:hover {
    background-color: darken(var(--button-register-bg), 10%); /* Placeholder for darker red */
    transform: translateY(-2px);
    border-color: darken(var(--button-register-bg), 10%);
}

.page-blog__btn-secondary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-blog__btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-2px);
}

.page-blog__keyword {
    font-weight: bold;
    color: var(--primary-color);
}

.page-blog__dark-bg .page-blog__keyword {
    color: var(--button-text-yellow); /* Using yellow for keywords on dark background */
}

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

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

    .page-blog__main-title {
        font-size: clamp(2rem, 4.5vw, 2.8rem);
    }

    .page-blog__section-title {
        font-size: clamp(1.6rem, 3.8vw, 2.2rem);
    }

    .page-blog__categories-grid,
    .page-blog__blog-grid,
    .page-blog__benefits-list {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
    }

    .page-blog__blog-card-image {
        height: 200px;
    }

    .page-blog__blog-card-title {
        font-size: 1.2rem;
    }

    .page-blog__faq-question {
        font-size: 1.1rem;
        padding: 15px 20px;
    }

    .page-blog__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-blog__hero-section {
        padding-top: 10px !important; /* Small top padding for mobile */
    }

    .page-blog__hero-content {
        padding: 30px 15px;
    }

    .page-blog__main-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-blog__hero-description {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    /* 深色导语区 */
    .page-blog__intro-section,
    .page-blog__categories-section,
    .page-blog__latest-posts-section,
    .page-blog__why-choose-section,
    .page-blog__faq-section,
    .page-blog__cta-bottom-section {
        padding: 40px 0;
    }

    .page-blog__container {
        padding: 0 15px;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog__section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: 15px;
    }

    .page-blog__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    /* 博客网格 */
    .page-blog__blog-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 20px;
        overflow-x: hidden;
    }

    .page-blog__categories-grid,
    .page-blog__benefits-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-blog__blog-card-image {
        height: 180px;
    }

    .page-blog__blog-card-title {
        font-size: 1.1rem;
    }

    .page-blog__blog-card-excerpt {
        font-size: 0.9rem;
    }

    /* 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__hero-image-wrapper {
        max-height: 300px;
    }

    .page-blog__category-item,
    .page-blog__blog-card,
    .page-blog__benefits-list li,
    .page-blog__faq-item {
        padding: 20px;
    }

    /* 按钮与按钮容器 */
    .page-blog__cta-button,
    .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: 12px 15px !important; /* Adjust padding for smaller screens */
        font-size: 1rem !important;
    }
    
    .page-blog__view-all-button-wrapper,
    .page-blog__hero-content {
        padding-left: 15px;
        padding-right: 15px;
        box-sizing: border-box;
    }

    .page-blog__cta-buttons,
    .page-blog__button-group,
    .page-blog__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;
        display: flex;
        flex-direction: column; /* Stack buttons vertically */
    }

    /* FAQ */
    .page-blog__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }

    .page-blog__faq-toggle {
        font-size: 1.5rem;
    }

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

/* Mobile (max-width: 549px) - Further adjustments for very small screens */
@media (max-width: 549px) {
    .page-blog__hero-content {
        padding: 20px 10px;
    }

    .page-blog__main-title {
        font-size: clamp(1.6rem, 8vw, 2.2rem);
    }

    .page-blog__section-title {
        font-size: clamp(1.4rem, 7vw, 1.8rem);
    }

    .page-blog__intro-section,
    .page-blog__categories-section,
    .page-blog__latest-posts-section,
    .page-blog__why-choose-section,
    .page-blog__faq-section,
    .page-blog__cta-bottom-section {
        padding: 30px 0;
    }

    .page-blog__container {
        padding: 0 10px;
    }

    .page-blog__blog-card-image {
        height: 160px;
    }

    .page-blog__blog-card-title {
        font-size: 1rem;
    }

    .page-blog__faq-question {
        font-size: 0.95rem;
        padding: 12px 15px;
    }

    .page-blog__faq-answer {
        padding: 0 15px 10px 15px;
        font-size: 0.9rem;
    }
}