/* style/index.css */

/* Custom CSS Variables from palette */
:root {
    --bg-primary: #08160F; /* Background */
    --bg-card: #11271B; /* Card BG */
    --text-main: #F2FFF6; /* Text Main */
    --text-secondary: #A7D9B8; /* Text Secondary */
    --btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button */
    --border-color: #2E7A4E; /* Border */
    --glow-color: #57E38D; /* Glow */
    --gold-color: #F2C14E; /* Gold */
    --divider-color: #1E3A2A; /* Divider */
    --deep-green: #0A4B2C; /* Deep Green */
    --primary-color: #11A84E; /* Main color from general palette */
    --secondary-color: #22C768; /* Secondary color from general palette */
    /* RGB values for transparency */
    --primary-color-rgb: 17, 168, 78; 
    --secondary-color-rgb: 34, 199, 104;
}

/* Base styles for the page content, ensuring contrast with body background */
.page-index {
    background-color: var(--bg-primary); /* Dark background */
    color: var(--text-main); /* Light text for contrast */
    font-family: Arial, sans-serif;
    line-height: 1.6;
    padding-bottom: 60px; /* General bottom padding */
}

/* General container for content sections */
.page-index__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    box-sizing: border-box;
}

/* Headings */
.page-index h1,
.page-index h2,
.page-index h3 {
    color: var(--gold-color); /* Use gold for headings for premium feel */
    margin-bottom: 20px;
    text-align: center;
    font-weight: bold;
}

.page-index h1 {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size for H1 */
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5); /* Soft glow */
}

.page-index h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    padding-bottom: 15px;
    border-bottom: 2px solid var(--divider-color);
}

.page-index h3 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    color: var(--text-main); /* Use main text color for sub-headings in content */
}

/* Paragraphs and list items */
.page-index p,
.page-index li {
    color: var(--text-main);
    font-size: 1rem;
}

/* CTA Buttons */
.page-index__cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--btn-gradient);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
}

.page-index__cta-button:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* 🚨 Video Section Styles */
.page-index__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  background-color: var(--bg-primary);
}

.page-index__video-container {
  position: relative;
  width: 100%; /* 🚨 Desktop: Must have width: 100% */
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-index__video-link {
  display: block;
  text-decoration: none;
  position: relative;
  width: 100%;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__video-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-index__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
}

.page-index__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
  object-fit: cover;
  pointer-events: none; /* Prevent video controls from interfering with click event on parent link */
}

.page-index__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.page-index__video-link:hover .page-index__video-overlay {
  opacity: 1;
}

.page-index__video-click-hint {
  color: var(--text-main);
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  background: rgba(var(--primary-color-rgb), 0.8); /* Using RGB for primary color with alpha */
  border-radius: 5px;
  white-space: nowrap;
}

.page-index__video-cta {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
}

.page-index__play-now-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--btn-gradient);
  color: var(--text-main);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
}

.page-index__play-now-button:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
}

/* 模块 1：H1标题 + 活动推广按钮 */
.page-index__title-section {
    padding: 60px 20px;
    text-align: center;
    background-color: var(--bg-primary);
}

.page-index__title-container {
    max-width: 900px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index__main-title {
    margin-bottom: 25px;
}

.page-index__title-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* 模块 2：FAQ常见问题区域 */
.page-index__faq-section {
    padding: 60px 20px;
    background-color: var(--bg-card); /* Use card background for FAQ */
}

.page-index__faq-container {
    max-width: 900px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index__faq-main-title {
    margin-bottom: 40px;
    color: var(--gold-color);
}

details.page-index__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-primary); /* Darker background for individual FAQ item */
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

details.page-index__faq-item summary.page-index__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
    color: var(--text-main);
}

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

details.page-index__faq-item summary.page-index__faq-question:hover {
    background: rgba(var(--primary-color-rgb), 0.1);
}

.page-index__faq-qtext {
    flex: 1;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--text-main);
}

.page-index__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--gold-color);
    flex-shrink: 0;
    margin-left: 20px;
    width: 30px;
    text-align: center;
}

details.page-index__faq-item .page-index__faq-answer {
    padding: 0 25px 25px;
    background: var(--bg-card); /* Match FAQ section background */
    border-radius: 0 0 8px 8px;
    color: var(--text-secondary);
}

.page-index__faq-answer p {
    margin: 0;
    font-size: 1rem;
}

/* 模块 3：品牌介绍 */
.page-index__brand-section {
    padding: 60px 20px;
    background-color: var(--bg-primary);
}

.page-index__brand-container {
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index__brand-title {
    margin-bottom: 40px;
}

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

.page-index__brand-item {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__brand-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-index__brand-item h3 {
    margin-top: 20px;
    margin-bottom: 15px;
    color: var(--gold-color);
}

.page-index__brand-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.page-index__brand-image {
    width: 100%;
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

/* 模块 4：博客列表展示 */
.page-index__blog-section {
    padding: 60px 20px;
    background-color: var(--bg-primary);
}

.page-index__blog-container {
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-index__blog-title {
    margin-bottom: 40px;
}

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

.page-index__blog-item {
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__blog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-index__blog-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--border-color);
}

.page-index__blog-link {
    display: block;
    padding: 20px;
    text-decoration: none;
    color: inherit;
}

.page-index__blog-item-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--gold-color);
    margin-top: 0;
    margin-bottom: 10px;
    line-height: 1.3;
    text-align: left;
}

.page-index__blog-item-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-align: left;
}

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

.page-index__view-all-blogs {
    text-align: center;
    margin-top: 50px;
}


/* 🚨 Responsive Design for Mobile (max-width: 768px) */
@media (max-width: 768px) {
    .page-index {
        font-size: 16px;
        line-height: 1.6;
    }

    /* General padding for sections on mobile */
    .page-index__video-section,
    .page-index__title-section,
    .page-index__faq-section,
    .page-index__brand-section,
    .page-index__blog-section {
        padding: 30px 15px;
        box-sizing: border-box !important;
        max-width: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
    }

    .page-index__video-section {
        padding-top: 10px !important; /* body handles header offset */
    }

    .page-index__container,
    .page-index__title-container,
    .page-index__faq-container,
    .page-index__brand-container,
    .page-index__blog-container {
        padding-left: 0;
        padding-right: 0;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-index h1 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .page-index h2 {
        font-size: clamp(1.5rem, 7vw, 2rem);
    }

    .page-index h3 {
        font-size: clamp(1.2rem, 6vw, 1.5rem);
    }

    .page-index__title-description {
        font-size: 1rem;
    }

    /* 🚨 Video specific mobile styles */
    .page-index__video-link,
    .page-index__video-wrapper,
    .page-index__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important; /* Ensure video height adjusts */
        box-sizing: border-box !important;
        border-radius: 4px;
    }
    
    .page-index__video {
        object-fit: contain; /* Ensure video content is fully visible */
    }

    .page-index__video-click-hint {
        font-size: 14px !important;
        padding: 8px 16px !important;
    }

    .page-index__video-cta {
        margin-top: 20px;
        padding: 0 15px;
        box-sizing: border-box !important;
        max-width: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
    }

    .page-index__play-now-button {
        max-width: 100% !important;
        width: 100% !important;
        font-size: 16px !important;
        padding: 12px 20px !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* 🚨 CTA buttons mobile styles */
    .page-index__cta-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
        padding: 0 15px;
        box-sizing: border-box !important;
        max-width: 100% !important;
        width: 100% !important;
        overflow: hidden !important;
    }

    .page-index__cta-button {
        max-width: 100% !important;
        width: 100% !important;
        font-size: 16px !important;
        padding: 12px 20px !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* FAQ mobile styles */
    details.page-index__faq-item summary.page-index__faq-question {
        padding: 15px;
    }
    .page-index__faq-qtext {
        font-size: 15px;
    }
    .page-index__faq-toggle {
        font-size: 24px;
        margin-left: 10px;
    }
    details.page-index__faq-item .page-index__faq-answer {
        padding: 0 15px 15px;
    }

    /* Brand and Blog images mobile styles */
    .page-index__brand-image,
    .page-index__blog-item-image {
        max-width: 100% !important;
        height: auto !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-index__brand-item,
    .page-index__blog-item {
        padding: 20px;
    }
    
    .page-index__blog-item-title {
        font-size: 1.1rem;
    }
}