/* style/blog.css */

:root {
    --primary-color: #2F6BFF;
    --secondary-color: #6FA3FF;
    --text-main-color: #1F2D3D;
    --text-dark-color: #000000;
    --card-bg-color: #FFFFFF;
    --background-color-page: #F4F7FB;
    --border-color: #D6E2FF;
    --glow-color: #A5C4FF;
    --btn-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
}

.page-blog {
    font-family: Arial, sans-serif;
    color: var(--text-main-color); /* Default text color for the page, assuming light body background */
    background-color: var(--background-color-page); /* Specific background for blog content */
}

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

.page-blog__section-title {
    font-size: 2.5em;
    color: var(--text-dark-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.page-blog__section-subtitle {
    font-size: 1.2em;
    color: var(--text-main-color);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
}

.page-blog__btn-primary {
    background: var(--btn-gradient);
    color: #ffffff;
    border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

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

.page-blog__btn-secondary:hover {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.4);
}

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* Small top padding */
    padding-bottom: 60px;
    background-color: var(--background-color-page);
}

.page-blog__hero-image-wrapper {
    width: 100%;
    height: auto;
    margin-bottom: 40px;
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.page-blog__hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-blog__hero-title {
    font-size: clamp(2.2em, 4vw, 3.5em);
    color: var(--text-dark-color);
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
}

.page-blog__hero-description {
    font-size: 1.15em;
    color: var(--text-main-color);
    margin-bottom: 30px;
    line-height: 1.6;
}

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

/* Latest Posts Section */
.page-blog__latest-posts-section {
    padding: 80px 0;
}

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

.page-blog__post-card {
    background: var(--card-bg-color);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.page-blog__post-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.page-blog__post-content {
    padding: 25px;
}

.page-blog__post-title {
    font-size: 1.35em;
    color: var(--text-dark-color);
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 700;
}

.page-blog__post-meta {
    font-size: 0.9em;
    color: #666;
    margin-bottom: 15px;
}

.page-blog__post-excerpt {
    font-size: 1em;
    color: var(--text-main-color);
    line-height: 1.6;
    margin-bottom: 20px;
}

.page-blog__read-more-btn {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 2px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.page-blog__read-more-btn:hover {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.page-blog__view-all-button-container {
    text-align: center;
    margin-top: 60px;
}

/* Categories Section */
.page-blog__categories-section {
    padding: 80px 0;
    background: var(--primary-color);
    color: #ffffff;
}

.page-blog__categories-section .page-blog__section-title,
.page-blog__categories-section .page-blog__section-subtitle {
    color: #ffffff;
}

.page-blog__categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-blog__category-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    text-decoration: none;
    color: #ffffff;
    transition: background 0.3s ease, transform 0.3s ease;
    display: block;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-blog__category-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.page-blog__category-title {
    font-size: 1.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.page-blog__category-description {
    font-size: 0.95em;
    opacity: 0.9;
    line-height: 1.5;
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 80px 0;
}

.page-blog__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__faq-item {
    background: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.page-blog__faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1em;
    color: var(--text-dark-color);
    position: relative;
}

.page-blog__faq-item summary::-webkit-details-marker {
    display: none;
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.page-blog__faq-qtext {
    flex-grow: 1;
    padding-right: 15px;
}

.page-blog__faq-toggle {
    font-size: 1.5em;
    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;
    font-size: 1em;
    color: var(--text-main-color);
    line-height: 1.6;
}

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

.page-blog__cta-section .page-blog__container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.page-blog__cta-content {
    flex: 1;
}

.page-blog__cta-title {
    font-size: clamp(2em, 3.5vw, 3em);
    color: #ffffff;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
}

.page-blog__cta-description {
    font-size: 1.1em;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.6;
}

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

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

.page-blog__cta-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.page-blog__section,
.page-blog__card,
.page-blog__container,
.page-blog__hero-image-wrapper,
.page-blog__cta-image-wrapper,
.page-blog__hero-cta-buttons,
.page-blog__cta-buttons {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    .page-blog__section-title {
        font-size: 2em;
    }

    .page-blog__posts-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

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

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

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

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-blog__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px !important;
    }

    .page-blog__hero-content {
        padding: 0 15px !important;
    }

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

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

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

    /* 产品展示图区域 (General blog posts grid) */
    .page-blog__posts-grid {
        grid-template-columns: 1fr !important;
        gap: 25px !important;
        padding: 0 15px;
    }

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

    .page-blog__post-title {
        font-size: 1.2em !important;
    }

    .page-blog__post-excerpt {
        font-size: 0.95em !important;
    }

    .page-blog__view-all-button-container {
        padding: 0 15px;
    }

    /* 通用图片与容器 */
    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    
    .page-blog__section,
    .page-blog__card,
    .page-blog__container,
    .page-blog__hero-image-wrapper,
    .page-blog__cta-image-wrapper,
    .page-blog__hero-cta-buttons,
    .page-blog__cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Ensure no horizontal scroll */
    }

    /* 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;
        padding-right: 15px;
    }
    
    .page-blog__cta-buttons {
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 15px !important;
    }

    /* 其他内容模块 */
    .page-blog__latest-posts-section,
    .page-blog__categories-section,
    .page-blog__faq-section,
    .page-blog__cta-section {
        padding: 40px 0 !important;
    }

    .page-blog__section-title {
        font-size: 1.8em !important;
        margin-bottom: 15px !important;
    }

    .page-blog__section-subtitle {
        font-size: 1em !important;
        margin-bottom: 25px !important;
    }

    .page-blog__categories-grid {
        grid-template-columns: 1fr !important;
        padding: 0 15px;
    }

    .page-blog__category-card {
        padding: 20px !important;
    }

    .page-blog__category-title {
        font-size: 1.3em !important;
    }

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

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

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

    .page-blog__cta-section .page-blog__container {
        gap: 30px !important;
        flex-direction: column-reverse !important; /* Image on top, content below for CTA */
    }

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

    .page-blog__cta-description {
        font-size: 1em !important;
    }
    .page-blog__cta-buttons {
        padding: 0;
    }
}