/* style/blog.css */
:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --background-color: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-blog {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Default text color for the page content */
    background-color: var(--background-color); /* Matches the very dark background */
    line-height: 1.6;
}

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

.page-blog__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    overflow: hidden;
    box-sizing: border-box;
}

.page-blog__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    filter: brightness(0.5); /* Darken image for text readability */
}

.page-blog__hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-main);
    max-width: 800px;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text */
    border-radius: 10px;
}

.page-blog__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(87, 227, 141, 0.7);
}

.page-blog__tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.page-blog__cta-button {
    display: inline-block;
    background: var(--button-gradient);
    color: var(--text-main);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: none;
}

.page-blog__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    opacity: 0.9;
}

.page-blog__cta-button--centered {
    margin-top: 40px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    width: fit-content;
}

.page-blog__section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(34, 199, 104, 0.5);
}

.page-blog__introduction-section,
.page-blog__promotions-types-section,
.page-blog__guide-section,
.page-blog__important-notes-section,
.page-blog__why-choose-bj388-section,
.page-blog__faq-section,
.page-blog__conclusion-section {
    padding: 60px 0;
}

.page-blog__text-block {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    text-align: justify;
}

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

.page-blog__promotion-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.page-blog__promotion-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
}

.page-blog__card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 1px solid var(--divider-color);
}

.page-blog__promotion-card h3,
.page-blog__feature-title {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin: 20px 20px 10px;
    font-weight: bold;
}

.page-blog__card-description,
.page-blog__feature-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 0 20px;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-blog__card-button {
    display: block;
    text-align: center;
    background: var(--button-gradient);
    color: var(--text-main);
    padding: 12px 20px;
    border-radius: 0 0 12px 12px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease;
    margin-top: auto; /* Push button to the bottom */
}

.page-blog__card-button:hover {
    opacity: 0.9;
}

.page-blog__step-by-step {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog__step-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.page-blog__step-number {
    background-color: var(--deep-green);
    color: var(--gold-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 20px;
    border: 2px solid var(--gold-color);
}

.page-blog__step-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-blog__step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-blog__step-button {
    display: inline-block;
    background: var(--button-gradient);
    color: var(--text-main);
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    margin-top: auto;
}

.page-blog__step-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

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

.page-blog__list-item {
    background-color: var(--card-bg);
    color: var(--text-secondary);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    font-size: 1rem;
}

.page-blog__list-item strong {
    color: var(--text-main);
}

.page-blog__feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog__feature-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
}

.page-blog__faq-list {
    margin-top: 40px;
}

.page-blog__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background-color: var(--deep-green);
    color: var(--text-main);
    font-weight: bold;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
}

.page-blog__faq-question:hover {
    background-color: #0d5d3b;
}

.page-blog__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    color: var(--gold-color);
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
    content: '−';
}

.page-blog__faq-answer {
    padding: 20px 25px;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    border-top: 1px solid var(--divider-color);
    font-size: 1rem;
}

/* Ensure images are responsive and not smaller than 200px */
.page-blog img {
    max-width: 100%;
    height: auto;
    display: block; /* Prevents extra space below images */
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    .page-blog {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-blog__container {
        padding: 0 15px;
    }

    .page-blog__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important; /* body has header offset */
    }

    .page-blog__main-title {
        font-size: 2.2rem;
    }

    .page-blog__tagline {
        font-size: 1rem;
    }

    .page-blog__section-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .page-blog__promotion-card-grid,
    .page-blog__step-by-step,
    .page-blog__feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-blog__promotion-card,
    .page-blog__step-card,
    .page-blog__feature-card,
    .page-blog__faq-item {
        margin-bottom: 15px;
    }

    /* Force responsive for all images */
    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

    /* Force responsive for all buttons */
    .page-blog__cta-button,
    .page-blog__card-button,
    .page-blog__step-button,
    .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;
        text-align: center;
    }

    /* Button containers for mobile */
    .page-blog__hero-content,
    .page-blog__promotion-card,
    .page-blog__step-card,
    .page-blog__conclusion-section .page-blog__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important; /* Prevent content overflow */
    }

    /* Flexbox for button groups in mobile, if any */
    .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;
      flex-direction: column;
    }
}