/* pages/index/index.wxss */
.container {
  padding: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  animation: gradient-shift 15s ease infinite;
  /* 底部留出TabBar的空间 */
  padding-bottom: calc(env(safe-area-inset-bottom) + 150rpx);
}

@keyframes gradient-shift {
  0%, 100% {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  }
  50% {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  }
}

/* 头部区域 */
.header {
  padding: 60rpx 30rpx 40rpx;
  background: transparent;
  position: relative;
  overflow: hidden;
}

.header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(-20rpx, -20rpx) rotate(180deg);
  }
}

.welcome-section {
  color: #ffffff;
  position: relative;
  z-index: 1;
}

/* 已登录状态 */
.user-info {
  display: flex;
  align-items: center;
  gap: 20rpx;
  animation: slideInLeft 0.6s ease-out;
}

.user-avatar {
  width: 120rpx;
  height: 120rpx;
  border-radius: 60rpx;
  border: 4rpx solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.2);
}

.user-content {
  flex: 1;
}

.logout-btn {
  width: 70rpx;
  height: 70rpx;
  border-radius: 35rpx;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10rpx);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border: 2rpx solid rgba(255, 255, 255, 0.3);
}

.logout-btn:active {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0.95);
}

.logout-icon {
  font-size: 36rpx;
}

/* 未登录状态 */
.login-section {
  padding: 20rpx 0;
  animation: slideInUp 0.6s ease-out;
}

.login-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
  backdrop-filter: blur(20rpx);
  border-radius: 30rpx;
  padding: 50rpx 40rpx;
  box-shadow: 0 20rpx 60rpx rgba(0, 0, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
  animation: rotate-slow 30s linear infinite;
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.login-header {
  text-align: center;
  margin-bottom: 40rpx;
  position: relative;
  z-index: 1;
}

.header-icon {
  font-size: 80rpx;
  display: block;
  margin-bottom: 20rpx;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10rpx); }
}

.header-title {
  display: block;
  font-size: 40rpx;
  font-weight: bold;
  color: #667eea;
  margin-bottom: 10rpx;
  letter-spacing: 2rpx;
}

.header-subtitle {
  display: block;
  font-size: 22rpx;
  color: #999;
  font-style: italic;
}

.login-prompt {
  display: flex;
  align-items: center;
  gap: 20rpx;
  margin-bottom: 35rpx;
  padding: 25rpx;
  background: linear-gradient(135deg, #F0F4FF 0%, #E8EFFF 100%);
  border-radius: 20rpx;
  border-left: 6rpx solid #667eea;
  position: relative;
  z-index: 1;
}

.prompt-icon {
  font-size: 56rpx;
  animation: wave 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-20deg); }
  75% { transform: rotate(20deg); }
}

.prompt-content {
  flex: 1;
}

.prompt-text {
  display: block;
  font-size: 32rpx;
  font-weight: bold;
  color: #333;
  margin-bottom: 8rpx;
}

.prompt-desc {
  display: block;
  font-size: 24rpx;
  color: #666;
}

.login-btn {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-radius: 25rpx;
  padding: 0;
  height: 130rpx;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 35rpx;
  font-size: 32rpx;
  font-weight: bold;
  box-shadow: 0 15rpx 40rpx rgba(102, 126, 234, 0.35);
  border: none;
  margin-bottom: 35rpx;
  position: relative;
  z-index: 1;
  overflow: hidden;
  transition: all 0.3s ease;
}

.login-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.6s ease;
}

.login-btn:active::before {
  left: 100%;
}

.login-btn::after {
  border: none;
}

.login-btn:active {
  transform: scale(0.98);
  box-shadow: 0 10rpx 30rpx rgba(102, 126, 234, 0.4);
}

.btn-content {
  display: flex;
  align-items: center;
  gap: 20rpx;
}

.login-icon {
  font-size: 44rpx;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.btn-text-group {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.login-text {
  font-size: 32rpx;
  font-weight: bold;
  display: block;
}

.login-subtext {
  font-size: 22rpx;
  opacity: 0.9;
  display: block;
  margin-top: 4rpx;
}

.arrow-icon {
  font-size: 40rpx;
  font-weight: bold;
  animation: arrow-move 1.5s ease-in-out infinite;
}

@keyframes arrow-move {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(8rpx); }
}

.login-features {
  display: flex;
  justify-content: space-around;
  margin-bottom: 30rpx;
  padding: 0 20rpx;
  position: relative;
  z-index: 1;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10rpx;
}

.feature-icon {
  font-size: 36rpx;
  display: block;
}

.feature-text {
  font-size: 22rpx;
  color: #666;
  font-weight: 500;
}

.login-tip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10rpx;
  padding: 20rpx;
  background: rgba(102, 126, 234, 0.05);
  border-radius: 15rpx;
  position: relative;
  z-index: 1;
}

.tip-icon {
  font-size: 28rpx;
  color: #667eea;
}

.tip-text {
  font-size: 22rpx;
  color: #999;
}

.greeting {
  display: flex;
  align-items: baseline;
  margin-bottom: 15rpx;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30rpx);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.greeting-text {
  font-size: 32rpx;
  margin-right: 10rpx;
  opacity: 0.95;
}

.greeting-name {
  font-size: 40rpx;
  font-weight: bold;
  text-shadow: 0 2rpx 8rpx rgba(0,0,0,0.1);
}

.slogan {
  font-size: 28rpx;
  opacity: 0.9;
  letter-spacing: 2rpx;
  animation: slideInLeft 0.6s ease-out 0.2s both;
}

/* 公告栏 */
.notice-bar {
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #FFF9E6 0%, #FFF3CD 100%);
  padding: 20rpx 30rpx;
  margin: 0 30rpx 30rpx;
  border-radius: 16rpx;
  box-shadow: 0 4rpx 12rpx rgba(255, 193, 7, 0.2);
  animation: slideInDown 0.6s ease-out 0.3s both;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20rpx);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.notice-icon {
  font-size: 32rpx;
  margin-right: 15rpx;
  animation: bell-ring 2s ease-in-out infinite;
}

@keyframes bell-ring {
  0%, 100% {
    transform: rotate(0deg);
  }
  10%, 30% {
    transform: rotate(-10deg);
  }
  20%, 40% {
    transform: rotate(10deg);
  }
  50% {
    transform: rotate(0deg);
  }
}

.notice-swiper {
  flex: 1;
  height: 40rpx;
}

.notice-text {
  font-size: 26rpx;
  color: #856404;
  line-height: 40rpx;
  font-weight: 500;
}

/* 功能区 */
.features-section {
  background-color: #f8f9fa;
  border-radius: 30rpx 30rpx 0 0;
  padding: 40rpx 30rpx;
  min-height: calc(100vh - 400rpx);
  box-shadow: 0 -4rpx 20rpx rgba(0,0,0,0.08);
  animation: slideInUp 0.6s ease-out 0.4s both;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30rpx);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-title {
  margin-bottom: 30rpx;
}

.title-text {
  font-size: 36rpx;
  font-weight: bold;
  color: #333333;
  position: relative;
  display: inline-block;
}

.title-line {
  width: 60rpx;
  height: 6rpx;
  background: linear-gradient(to right, #667eea, #764ba2);
  border-radius: 3rpx;
  margin-top: 10rpx;
  animation: expand 0.6s ease-out;
}

@keyframes expand {
  from {
    width: 0;
  }
  to {
    width: 60rpx;
  }
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25rpx;
}

.feature-card {
  background: #ffffff;
  border-radius: 25rpx;
  padding: 0;
  box-shadow: 0 8rpx 24rpx rgba(102, 126, 234, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  animation: fadeInScale 0.6s ease-out both;
  display: flex;
  flex-direction: column;
}

.card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transition: opacity 0.3s ease;
}

.feature-card:active .card-bg {
  opacity: 0.5;
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(20rpx);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.15s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.25s; }
.feature-card:nth-child(5) { animation-delay: 0.3s; }
.feature-card:nth-child(6) { animation-delay: 0.35s; }

.feature-card:active {
  transform: translateY(-8rpx) scale(1.02);
  box-shadow: 0 20rpx 50rpx rgba(102, 126, 234, 0.25);
}

.feature-header {
  position: relative;
  z-index: 1;
  padding: 30rpx 25rpx 20rpx;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.feature-icon {
  width: 90rpx;
  height: 90rpx;
  border-radius: 22rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 8rpx 20rpx rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.feature-card:active .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.icon-text {
  font-size: 50rpx;
  filter: drop-shadow(0 2rpx 4rpx rgba(0,0,0,0.1));
}

.badge {
  position: absolute;
  top: 25rpx;
  right: 25rpx;
  padding: 6rpx 16rpx;
  border-radius: 20rpx;
  font-size: 20rpx;
  color: #fff;
  font-weight: bold;
  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.2);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.feature-info {
  position: relative;
  z-index: 1;
  padding: 0 25rpx 20rpx;
  flex: 1;
}

.feature-name {
  font-size: 32rpx;
  font-weight: bold;
  color: #333;
  margin-bottom: 12rpx;
  position: relative;
}

.feature-desc {
  font-size: 24rpx;
  color: #999;
  line-height: 1.6;
}

.card-footer {
  position: relative;
  z-index: 1;
  padding: 20rpx 25rpx;
  border-top: 1rpx solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.02);
}

.footer-text {
  font-size: 24rpx;
  color: #667eea;
  font-weight: 600;
}

.footer-arrow {
  font-size: 28rpx;
  color: #667eea;
  font-weight: bold;
  transition: transform 0.3s ease;
}

.feature-card:active .footer-arrow {
  transform: translateX(6rpx);
}