/* style/index.css */
/* 页面完整样式代码 - 注意：所有选择器必须使用BEM命名规则（双下划线__连接） */

/* General styling for the main content area */
.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #f0f0f0; /* Light text for dark body background #121212 */
  background-color: #121212; /* Ensure consistency with body background */
}

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

.page-index__section {
  padding: 80px 0;
  text-align: center;
}

.page-index__section-title {
  font-size: 3em;
  color: #FFD700; /* Gold main color for titles */
  margin-bottom: 40px;
  font-weight: bold;
  text-transform: uppercase;
}

/* Video Section */
.page-index__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px); /* Fixed header offset */
  background: #0a0a0a; /* Slightly darker background for video */
}

.page-index__video-container {
  position: relative;
  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;
  border-radius: 8px;
  overflow: hidden;
}

.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, 0.3);
}

.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 */
}

.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: #ffffff;
  font-size: 20px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
  padding: 12px 25px;
  background: rgba(255, 215, 0, 0.8); /* Use gold with transparency */
  border-radius: 5px;
  white-space: nowrap;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); opacity: 0.8; }
}

.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: #FFD700; /* Gold main color */
  color: #121212; /* Dark text for gold button */
  text-decoration: none;
  border-radius: 8px;
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
}

.page-index__play-now-button:hover {
  background: #e6c200; /* Slightly darker gold on hover */
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Hero Section (H1 + CTA) */
.page-index__hero-section {
  background: linear-gradient(135deg, #8B0000 0%, #FFD700 100%); /* Red to Gold gradient */
  padding: 100px 20px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.page-index__hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-index__main-title {
  font-size: 3.5em;
  margin-bottom: 25px;
  font-weight: 900;
  line-height: 1.2;
  color: #ffffff; /* White for contrast on gradient background */
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-index__hero-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

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

.page-index__cta-button {
  display: inline-block;
  padding: 16px 45px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
}

.page-index__cta-button--primary {
  background: #FFD700; /* Gold */
  color: #121212; /* Dark text for gold button */
  border: 2px solid #FFD700;
}

.page-index__cta-button--primary:hover {
  background: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-index__cta-button--secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.page-index__cta-button--secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Brand Section */
.page-index__brand-section {
  padding: 80px 20px;
  background-color: #1a1a1a; /* Dark background */
  color: #f0f0f0;
}

.page-index__brand-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.page-index__brand-title {
  font-size: 2.8em;
  color: #FFD700;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__brand-intro-text {
  font-size: 1.1em;
  max-width: 900px;
  margin: 0 auto 50px auto;
  line-height: 1.8;
  opacity: 0.8;
}

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

.page-index__brand-item {
  background-color: #222222; /* Slightly lighter dark background for cards */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  text-align: left;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.page-index__brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-index__brand-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  object-fit: cover;
  width: 100%; /* Ensure image fills container */
  min-height: 200px; /* Min size for images */
}

.page-index__brand-item-title {
  font-size: 1.8em;
  color: #FFD700;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-index__brand-item-description,
.page-index__brand-features {
  font-size: 1em;
  color: #f0f0f0;
  opacity: 0.85;
  line-height: 1.7;
}

.page-index__brand-features {
  list-style: disc inside;
  padding-left: 0;
  text-align: left;
}

.page-index__brand-features li {
  margin-bottom: 10px;
}

.page-index__brand-features li strong {
  color: #FFD700;
}


/* FAQ Section */
.page-index__faq-section {
  padding: 80px 20px;
  background-color: #0a0a0a; /* Darker background */
  color: #f0f0f0;
}

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

.page-index__faq-main-title {
  font-size: 2.8em;
  color: #FFD700;
  margin-bottom: 50px;
  text-align: center;
  font-weight: bold;
}

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

.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}