/* ===== 全局样式 ===== */
:root {
  --primary: #c0392b;
  --primary-dark: #96281b;
  --primary-light: #e74c3c;
  --gold: #d4a017;
  --gold-light: #f0d060;
  --bg-cream: #f5f0e8;
  --bg-warm: #faf6f0;
  --text-dark: #2c2c2c;
  --text-medium: #555;
  --text-light: #888;
  --card-bg: #ffffff;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --card-radius: 16px;
  --border-color: #e8e0d8;
  --success: #27ae60;
  --warning: #e67e22;
  --info: #2980b9;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg-cream);
  color: var(--text-dark);
  min-height: 100vh;
  padding: 0;
  overflow-x: hidden;
}

/* ===== 顶部装饰条 ===== */
.top-bar {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  height: 6px;
  width: 100%;
}

/* ===== 头部 ===== */
.header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 24px 20px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--bg-cream);
  border-radius: 50% 50% 0 0;
}

.header h1 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: 4px;
}

.header .subtitle {
  font-size: 13px;
  opacity: 0.8;
  letter-spacing: 2px;
}

/* ===== 主容器 ===== */
.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 16px 80px;
  position: relative;
  margin-top: -10px;
}

/* ===== 时钟卡片 ===== */
.clock-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 24px;
  margin-bottom: 16px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.clock-display {
  font-size: 48px;
  font-weight: 300;
  color: var(--text-dark);
  letter-spacing: 2px;
  font-family: 'Courier New', monospace;
  margin-bottom: 8px;
}

.clock-seconds {
  font-size: 20px;
  color: var(--text-light);
  vertical-align: super;
}

.clock-date {
  font-size: 15px;
  color: var(--text-medium);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

/* ===== 时辰显示 ===== */
.time-period-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--card-radius);
  padding: 24px;
  margin-bottom: 16px;
  color: white;
  text-align: center;
  box-shadow: 0 6px 24px rgba(192, 57, 43, 0.3);
  position: relative;
  overflow: hidden;
}

.time-period-card::before {
  content: '⏳';
  position: absolute;
  right: -10px;
  top: -10px;
  font-size: 80px;
  opacity: 0.1;
}

.time-period-name {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 8px;
  margin-bottom: 4px;
}

.time-period-range {
  font-size: 16px;
  opacity: 0.9;
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.time-period-meridian {
  font-size: 15px;
  opacity: 0.85;
  margin-bottom: 4px;
}

.time-period-organ {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 14px;
  margin-top: 8px;
}

.time-period-remaining {
  font-size: 13px;
  opacity: 0.7;
  margin-top: 12px;
}

/* ===== 节气卡片 ===== */
.solar-term-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--gold);
}

.solar-term-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.solar-term-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
}

.solar-term-season {
  font-size: 13px;
  color: var(--gold);
  font-weight: 500;
  padding: 2px 12px;
  border-radius: 12px;
  background: rgba(212, 160, 23, 0.1);
}

.solar-term-date {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.solar-term-desc {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.5;
}

/* ===== 养生建议卡片 ===== */
.advice-card {
  background: var(--card-bg);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  padding: 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
}

.advice-section-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.advice-section-title .icon {
  font-size: 20px;
}

.advice-detail {
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.7;
  padding: 12px 16px;
  background: rgba(212, 160, 23, 0.06);
  border-radius: 10px;
  border-left: 3px solid var(--gold);
  margin-bottom: 16px;
}

.advice-items {
  list-style: none;
  padding: 0;
}

.advice-items li {
  padding: 10px 14px;
  margin-bottom: 8px;
  background: var(--bg-warm);
  border-radius: 10px;
  font-size: 14px;
  color: var(--text-medium);
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  transition: transform 0.2s;
}

.advice-items li:hover {
  transform: translateX(4px);
}

.advice-items li::before {
  content: '✦';
  color: var(--gold);
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 3px;
}

/* ===== 节气养生卡片 ===== */
.solar-advice-section {
  margin-top: 16px;
}

.solar-advice-section .advice-section-title {
  color: var(--gold);
  font-size: 15px;
}

/* ===== 底部操作栏 ===== */
.footer-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 12px 16px;
  text-align: center;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.footer-bar p {
  font-size: 12px;
  color: var(--text-light);
  letter-spacing: 1px;
}

/* ===== 加载动画 ===== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(192, 57, 43, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== 响应式 ===== */
@media (max-width: 480px) {
  .header h1 {
    font-size: 18px;
  }
  
  .clock-display {
    font-size: 36px;
  }
  
  .time-period-name {
    font-size: 32px;
  }
  
  .container {
    padding: 0 12px 80px;
  }
  
  .clock-card,
  .time-period-card,
  .solar-term-card,
  .advice-card {
    padding: 16px;
  }
}

@media (min-width: 768px) {
  .container {
    padding: 0 24px 80px;
  }
  
  .clock-display {
    font-size: 56px;
  }
  
  .time-period-name {
    font-size: 48px;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .footer-bar {
    display: none;
  }
  
  .time-period-card {
    background: #333 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}