:root {
  --primary-color: #113B7A; /* Deep Blue */
  --secondary-color: #1D5FD1; /* Bright Blue */
  --card-bg-color: #10233F;
  --text-main-color: #F3F8FF;
  --text-secondary-color: #AFC4E8;
  --border-color: #244D84;
  --glow-color: #4FA8FF;
  --gold-color: #F2C14E;
  --divider-color: #1B3357;
  --deep-navy-color: #08162B; /* Body background from shared.css */
  --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
}

.page-index {
  font-family: 'Arial', sans-serif;
  color: var(--text-main-color); /* Body background is deep-navy, so main text should be light */
  line-height: 1.6;
  background-color: var(--deep-navy-color);
}

.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-index__section-title {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-index__section-description {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--text-secondary-color);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__dark-section {
  background-color: var(--deep-navy-color);
  color: var(--text-main-color);
}

/* --- HERO Section --- */
.page-index__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* body { padding-top: var(--header-offset); } is in shared.css, so only a small top padding here */
  background-color: var(--deep-navy-color);
}

.page-index__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column; /* "上图下文" layout */
  align-items: center;
  justify-content: center;
  width: 100%; /* Ensure it takes full width within max-width */
}

.page-index__hero-image {
  width: 100%;
  margin-bottom: 30px; /* Space between image and content */
}