/* style/blog.css */

/* Variables from color scheme */
:root {
    --color-primary: #11A84E; /* Main color */
    --color-secondary: #22C768; /* Auxiliary color */
    --color-text-main: #F2FFF6;
    --color-text-secondary: #A7D9B8;
    --color-bg-card: #11271B;
    --color-bg-body: #08160F;
    --color-border: #2E7A4E;
    --color-glow: #57E38D;
    --color-gold: #F2C14E;
    --color-divider: #1E3A2A;
    --color-deep-green: #0A4B2C;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --header-offset: 122px; /* Default for demonstration, actual value from shared.css */
}

/* Base styles for the page content */
.page-blog {
    font-family: 'Arial', sans-serif; /* Example font */
    color: var(--color-text-main); /* Default text color for dark background */
    background-color: var(--color-bg-body); /* Default body background */
    line-height: 1.6;
}

/* Ensure headings are readable on default background */
.page-blog h1,
.page-blog h2,
.page-blog h3 {
    color: var(--color-text-main);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.page-blog a {
    color: var(--color-secondary); /* Links use auxiliary color */
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog a:hover {
    color: var(--color-gold); /* Gold on hover */
    text-decoration: underline;
}

/* Section styling */
.page-blog__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0; /* Content padding will be handled by hero-content */
    overflow: hidden; /* Ensure image doesn't overflow */
    background-color: var(--color-deep-green); /* Fallback background */
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    /* Ensure image is above content for "上图下文" */
    order: 1; 
    max-height: 600px; /* Limit height for aesthetic */
}

.page-blog__hero-content {
    order: 2; /* Content below image */
    padding: 40px 20px 60px; /* Adjust padding as needed */
    max-width: 900px;
    margin: 0 auto;
    z-index: 1; /* Ensure content is above any background elements */
}

.page-blog__main-title {
    font-size: clamp(2rem, 5vw, 3.5rem); /* Responsive font size */
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.page-blog__subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__cta-button {
    display: inline-block;
    background: var(--button-gradient);
    color: var(--color-text-main);
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-blog__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    text-decoration: none;
}

.page-blog__cta-button--small {
    padding: 10px 20px;
    font-size: 0.95rem;
}

.page-blog__cta-button--large {
    padding: 18px 35px;
    font-size: 1.2rem;
}


/* General content section styling */
.page-blog__introduction-section,
.page-blog__download-guide-section,
.page-blog__article-types-section,
.page-blog__why-follow-section,
.page-blog__faq-section,
.page-blog__conclusion-section {
    padding: 60px 0;
}

.page-blog__introduction-section.page-blog__light-bg,
.page-blog__article-types-section.page-blog__light-bg,
.page-blog__faq-section.page-blog__light-bg {
    background-color: var(--color-bg-card); /* Lighter background for contrast with dark body */
    color: var(--color-text-main); /* Ensure text is main color */
}

.page-blog__download-guide-section.page-blog__dark-bg,
.page-blog__why-follow-section.page-blog__dark-bg,
.page-blog__conclusion-section.page-blog__dark-bg {
    background-color: var(--color-bg-body); /* Darker background for contrast */
    color: var(--color-text-main); /* Ensure text is main color */
}

.page-blog__section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-gold);
}

.page-blog__sub-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 60;
    margin-bottom: 20px;
    color: var(--color-text-main);
}

.page-blog__text-block {
    font-size: 1.05rem;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__text-block--highlight {
    font-weight: bold;
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-gold);
    margin-top: 30px;
}

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

/* Image styling */
.page-blog__image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    margin-bottom: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

/* Grid for download section */
.page-blog__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.page-blog__grid-item {
    background-color: var(--color-bg-card);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.page-blog__grid-item .page-blog__image {
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 20px;
}

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

.page-blog__card {
    background-color: var(--color-bg-card);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-blog__card-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-blog__card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-blog__card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-text-main);
}

.page-blog__card-title a {
    color: inherit; /* Inherit color from parent */
}

.page-blog__card-title a:hover {
    color: var(--color-secondary); /* Change on hover */
    text-decoration: underline;
}

.page-blog__card-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 15px;
    flex-grow: 1; /* Allow text to grow */
}

.page-blog__article-date {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    display: block;
    text-align: right;
}

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

/* List styles */
.page-blog__list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
}

.page-blog__list-item {
    background-color: var(--color-bg-card);
    border-left: 5px solid var(--color-primary);
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
}

.page-blog__list-title {
    font-size: 1.3rem;
    color: var(--color-gold);
    margin-bottom: 10px;
}

.page-blog__list-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

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

.page-blog__faq-item {
    background-color: var(--color-bg-card);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.page-blog__faq-item summary {
    list-style: none; /* Hide default marker */
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--color-text-main);
    background-color: var(--color-deep-green);
    border-bottom: 1px solid var(--color-divider);
    transition: background-color 0.3s ease;
}

.page-blog__faq-item summary:hover {
    background-color: var(--color-primary);
}

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

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

.page-blog__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
    content: "−"; /* Change to minus when open */
}

.page-blog__faq-answer {
    padding: 20px 25px;
    font-size: 1rem;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-divider); /* Separator for answer */
}

.page-blog__faq-answer p {
    margin-bottom: 0; /* Remove default paragraph margin */
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-blog__hero-image {
        max-height: 500px;
    }
}

@media (max-width: 768px) {
    .page-blog__hero-section {
        padding-top: 10px !important; /* Small top padding, body handles header-offset */
    }

    .page-blog__hero-content {
        padding: 30px 15px 40px;
    }

    .page-blog__hero-image {
        max-height: 400px;
    }

    .page-blog__main-title {
        font-size: clamp(1.8rem, 7vw, 2.5rem);
        margin-bottom: 10px;
    }

    .page-blog__subtitle {
        font-size: clamp(0.9rem, 3vw, 1.1rem);
        margin-bottom: 20px;
    }

    .page-blog__cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    /* Global image responsiveness for mobile */
    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Video responsiveness (if any, though not in this page) */
    .page-blog video,
    .page-blog__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-blog__video-section,
    .page-blog__video-container,
    .page-blog__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
    .page-blog__video-section {
        padding-top: 10px !important;
    }

    /* Container padding for mobile */
    .page-blog__container {
        padding: 0 15px;
    }

    .page-blog__section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: 30px;
    }

    .page-blog__sub-title {
        font-size: clamp(1.2rem, 5vw, 1.6rem);
    }

    .page-blog__text-block {
        font-size: 0.95rem;
    }

    .page-blog__grid {
        grid-template-columns: 1fr; /* Stack columns */
        gap: 20px;
    }

    .page-blog__article-cards {
        grid-template-columns: 1fr; /* Stack cards */
        gap: 20px;
    }

    .page-blog__card-image {
        height: 180px; /* Adjust card image height */
    }

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

    .page-blog__card-text {
        font-size: 0.9rem;
    }

    .page-blog__list-item {
        padding: 20px;
    }

    .page-blog__list-title {
        font-size: 1.15rem;
    }

    .page-blog__list-text {
        font-size: 0.95rem;
    }

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

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

    /* Button responsiveness for mobile */
    .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-left: 15px; /* Add padding to prevent text from touching edges */
      padding-right: 15px;
    }
    
    .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;
    }

    .page-blog__cta-wrapper {
        padding: 0 15px; /* Ensure wrapper also has padding */
    }
    
    .page-blog__cta-buttons {
        display: flex;
        flex-direction: column; /* Stack buttons vertically on mobile */
    }
}

@media (max-width: 480px) {
    .page-blog__hero-image {
        max-height: 300px;
    }
    .page-blog__main-title {
        font-size: clamp(1.5rem, 8vw, 2rem);
    }
    .page-blog__subtitle {
        font-size: clamp(0.85rem, 4vw, 1rem);
    }
    .page-blog__cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    .page-blog__section-title {
        font-size: clamp(1.3rem, 7vw, 1.8rem);
    }
    .page-blog__card-image {
        height: 150px;
    }
}