/* style/index.css */

/* Variables (ensure they are within .page-index scope or global if shared) */
:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-color: #C30808;
  --login-button-color: #C30808;
  --text-on-dark-bg: #ffffff;
  --text-on-light-bg: #333333;
  --card-dark-bg: rgba(255, 255, 255, 0.08);
  --card-dark-border: rgba(255, 255, 255, 0.15);
  --play-now-text-color: #FFFF00; /* As per "注册和登录字体" for "Play Now" button */
}

/* Base styles for the page content area */
.page-index {
  font-family: 'Arial', sans-serif;
  color: var(--text-on-dark-bg); /* Default text color for dark body background */
  background-color: transparent; /* Body background is handled by shared.css */
  line-height: 1.6;
}

.page-index__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 50px;
  color: var(--text-on-dark-bg);
}

.page-index__section-subtitle {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 30px;
  color: var(--text-on-dark-bg);
}

.page-index__card {
  background: var(--card-dark-bg); /* Semi-transparent background for cards */
  border: 1px solid var(--card-dark-border);
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-on-dark-bg);
}

.page-index__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* --- Video Section (Module 1) --- */
.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); /* Ensures content is not hidden by fixed header */
  box-sizing: border-box;
}

.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;
  box-sizing: border-box;
}

.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, 0.2);
}

.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, 0.15);
}

.page-index__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
  object-fit: cover;
  pointer-events: none; /* Prevents 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-on-dark-bg);
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  background: rgba(1, 116, 57, 0.8); /* Primary color with opacity */
  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(--primary-color);
  color: var(--play-now-text-color); /* Specific color for Play Now button text */
  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, 0.15);
  border: none;
  cursor: pointer;
  white-space: nowrap; /* Prevent text wrapping for Play Now button */
}

.page-index__play-now-button:hover {
  background: #005f2f; /* A darker shade of #017439 */
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-index__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}