/* style/index.css */
:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-bg: #C30808;
  --login-button-bg: #C30808;
  --register-login-font: #FFFF00;
  --text-dark: #333333;
  --text-light: #ffffff;
  --border-color: #e0e0e0;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --shadow-strong: rgba(0, 0, 0, 0.2);
}

.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Default text color for light body background */
  background: var(--secondary-color); /* Body background is white */
}

/* 视频区域 */
.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: linear-gradient(135deg, var(--primary-color), #004d27);
  color: var(--text-light);
}

.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;
}

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

.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 var(--shadow-medium);
}

.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 blocking click event on parent <a> */
}

.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-light);
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  background: rgba(0, 123, 255, 0.8);
  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(--register-button-bg); /* Use specified color for Play Now */
  color: var(--register-login-font); /* Use specified font color */
  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 var(--shadow-medium);
  border: none;
  cursor: pointer;
}

.page-index__play-now-button:hover {
  background: #a30606; /* Darken on hover */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--shadow-strong);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px var(--shadow-medium);
}

/* H1标题 + 活动推广按钮 */
.page-index__title-section {
  padding: 80px 20px;
  text-align: center;
  background: var(--primary-color);
  color: var(--text-light);
}

.page-index__dark-section {
  background: var(--primary-color);
  color: var(--text-light);
}

.page-index__light-bg {
  background: var(--secondary-color);
  color: var(--text-dark);
}

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

.page-index__main-title {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-index__title-description {
  font-size: 18px;
  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; /* Allow wrapping on smaller screens */
}