:root {
  --primary-color: #FF69B4;
  --primary-light: #FFB6C1;
  --primary-dark: #FF1493;
  --accent-color: #FFD700;
  --background-light: #FFF0F5;
  --text-color: #333333;
  --gradient-bg: linear-gradient(135deg, #FF69B4, #FFB6C1);
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--background-light);
  color: var(--text-color);
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
}

.header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem;
  border-radius: 20px;
  background: var(--gradient-bg);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
}

.header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.header h3 {
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.options {
  display: flex;
  gap: 2rem;
  align-items: center;
  margin-top: 2rem;
}

.options a {
  text-decoration: none;
  color: white;
  background: rgba(255, 255, 255, 0.2);
  padding: 1rem 2rem;
  border-radius: 25px;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.options a:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.options img {
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 25px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 105, 180, 0.3);
}

button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.feature-card {
  background: white;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
}

.feature-icon {
  color: var(--primary-color);
}

.logo {
  margin-top: auto;
  padding: 2rem;
}

.logo img {
  width: 120px;
  height: auto;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.1);
}

/* 兴趣匹配页面特定样式 */
.interest-tag {
  background: white;
  transition: all 0.3s ease;
}

.interest-tag:hover {
  border-color: var(--primary-dark);
  transform: translateY(-2px);
}

.interest-tag.selected {
  background: var(--gradient-bg);
  border-color: transparent;
}

/* 随机匹配页面特定样式 */
.profile-card {
  background: white;
  border: 2px solid var(--primary-light);
  transition: all 0.3s ease;
}

.profile-card:hover {
  border-color: var(--primary-color);
}

.matching-status {
  color: var(--primary-dark);
  font-weight: bold;
}

/* 动画效果 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.header, .feature-card, .profile-card {
  animation: fadeIn 0.8s ease-out forwards;
}