/* seasonal-poems 页面样式 */

/* ======== 从 seasonal-poems.html 抽取的内联样式（2026-07-18） ======== */
/* 原 <style> 块 1 */
:root {
            --spring-color: #4CAF50;
            --summer-color: #FF9800;
            --autumn-color: #8B4513;
            --winter-color: #2196F3;
            --text-dark: #333;
            --text-gray: #666;
        }
        
        * { margin: 0; padding: 0; box-sizing: border-box; }
        
        body {
            font-family: 'Noto Serif SC', 'KaiTi', 'STKaiti', serif;
            background: #f8f9fa;
            color: var(--text-dark);
            line-height: 1.8;
        }
        
        header {
            background: linear-gradient(135deg, var(--spring-color), var(--summer-color), var(--autumn-color), var(--winter-color));
            padding: 30px 20px;
            color: white;
            text-align: center;
            background-size: 400% 400%;
            animation: gradientShift 8s ease infinite;
        }
        
        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .header-title {
            font-size: 36px;
            font-weight: bold;
            letter-spacing: 8px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            margin-bottom: 10px;
        }
        
        .header-subtitle {
            font-size: 16px;
            opacity: 0.9;
        }
        
        .direct-answer {
            background: white;
            padding: 25px;
            margin: 20px auto;
            max-width: 1000px;
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            border-left: 4px solid var(--spring-color);
        }
        
        .direct-answer h3 {
            color: var(--spring-color);
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .direct-answer p {
            font-size: 16px;
            color: #444;
            line-height: 2.0;
        }
        
        .cross-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            padding: 20px;
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        
        .cross-link-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--spring-color), #45a049);
            color: white;
            text-decoration: none;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .cross-link-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
        }
        
        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .season-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .season-tab {
            padding: 12px 25px;
            border: none;
            border-radius: 25px;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s;
            font-family: 'KaiTi', 'STKaiti', serif;
            font-weight: 500;
        }
        
        .season-tab.spring { background: var(--spring-color); color: white; }
        .season-tab.summer { background: var(--summer-color); color: white; }
        .season-tab.autumn { background: var(--autumn-color); color: white; }
        .season-tab.winter { background: var(--winter-color); color: white; }
        
        .season-tab:hover { 
            transform: translateY(-3px) scale(1.02); 
            box-shadow: 0 6px 20px rgba(0,0,0,0.2); 
        }
        
        .season-tab.active { 
            transform: scale(1.1); 
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
            animation: tabBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
        }
        
        @keyframes tabBounce {
            0% { transform: scale(1); }
            50% { transform: scale(1.15); }
            100% { transform: scale(1.1); }
        }
        
        .season-section {
            display: none;
            opacity: 0;
            transform: translateY(30px);
        }
        
        .season-section.active {
            display: block;
            animation: seasonFadeIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
        }
        
        @keyframes seasonFadeIn {
            from { opacity: 0; transform: translateY(30px) scale(0.95); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }
        
        .season-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
            padding: 20px;
            border-radius: 15px;
        }
        
        .season-header.spring { background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), rgba(76, 175, 80, 0.05)); border-left: 4px solid var(--spring-color); }
        .season-header.summer { background: linear-gradient(135deg, rgba(255, 152, 0, 0.1), rgba(255, 152, 0, 0.05)); border-left: 4px solid var(--summer-color); }
        .season-header.autumn { background: linear-gradient(135deg, rgba(139, 69, 19, 0.1), rgba(139, 69, 19, 0.05)); border-left: 4px solid var(--autumn-color); }
        .season-header.winter { background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(33, 150, 243, 0.05)); border-left: 4px solid var(--winter-color); }
        
        .season-icon { font-size: 48px; }
        .season-title { font-size: 24px; font-weight: bold; }
        .season-desc { font-size: 14px; color: var(--text-gray); }
        
        .poem-list {
            display: grid;
            gap: 25px;
        }
        
        .poem-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }
        
        .poem-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, transparent, var(--spring-color), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .poem-card:hover {
            transform: translateY(-8px) rotateX(3deg);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        
        .poem-card:hover::before {
            opacity: 1;
        }
        
        .poem-card.spring { 
            border-left: 4px solid var(--spring-color); 
        }
        .poem-card.summer { 
            border-left: 4px solid var(--summer-color); 
        }
        .poem-card.autumn { 
            border-left: 4px solid var(--autumn-color); 
        }
        .poem-card.winter { 
            border-left: 4px solid var(--winter-color); 
        }
        
        .poem-card.spring::before { background: linear-gradient(90deg, transparent, var(--spring-color), transparent); }
        .poem-card.summer::before { background: linear-gradient(90deg, transparent, var(--summer-color), transparent); }
        .poem-card.autumn::before { background: linear-gradient(90deg, transparent, var(--autumn-color), transparent); }
        .poem-card.winter::before { background: linear-gradient(90deg, transparent, var(--winter-color), transparent); }
        
        .poem-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        
        .poem-title {
            font-size: 20px;
            font-weight: bold;
            font-family: 'KaiTi', 'STKaiti', serif;
        }
        
        .poem-card.spring .poem-title { color: var(--spring-color); }
        .poem-card.summer .poem-title { color: var(--summer-color); }
        .poem-card.autumn .poem-title { color: var(--autumn-color); }
        .poem-card.winter .poem-title { color: var(--winter-color); }
        
        .poem-author { font-size: 14px; color: var(--text-gray); }
        .poem-author a { color: var(--text-dark); text-decoration: none; }
        .poem-author a:hover { text-decoration: underline; }
        
        .poem-content {
            font-family: 'KaiTi', 'STKaiti', serif;
            font-size: 18px;
            line-height: 2.4;
            text-align: center;
            white-space: pre-wrap;
            margin-bottom: 15px;
            color: #333;
        }
        
        .poem-appreciation {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 2.0;
            text-indent: 2em;
        }
        
        .season-feature {
            background: white;
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            margin-bottom: 30px;
        }
        
        .season-feature h3 {
            margin-bottom: 15px;
            font-size: 18px;
        }
        
        .season-feature.spring h3 { color: var(--spring-color); }
        .season-feature.summer h3 { color: var(--summer-color); }
        .season-feature.autumn h3 { color: var(--autumn-color); }
        .season-feature.winter h3 { color: var(--winter-color); }
        
        .season-feature p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 10px;
            text-indent: 2em;
        }
        
        .season-feature ul {
            list-style: none;
            padding-left: 20px;
        }
        
        .season-feature li {
            font-size: 14px;
            color: var(--text-gray);
            padding: 5px 0;
            border-bottom: 1px solid #eee;
        }
        
        .season-feature li:last-child { border-bottom: none; }
        
        .season-feature li::before {
            content: '🌸';
            margin-right: 8px;
        }
        
        .season-feature.summer li::before { content: '☀️'; }
        .season-feature.autumn li::before { content: '🍂'; }
        .season-feature.winter li::before { content: '❄️'; }
        
        .credibility-footer {
            background: #f5f5f5;
            padding: 30px;
            margin-top: 40px;
            border-top: 1px solid #ddd;
        }
        
        .credibility-footer h3 {
            color: var(--spring-color);
            margin-bottom: 15px;
            font-size: 18px;
        }
        
        .credibility-footer p {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }
        
        @media (max-width: 768px) {
            .header-title { font-size: 24px; letter-spacing: 4px; }
            .season-header { flex-direction: column; text-align: center; }
            .poem-header { flex-direction: column; gap: 8px; align-items: flex-start; }
            .poem-content { font-size: 16px; line-height: 2.0; }
        }

/* 原 <style> 块 2 */
@keyframes particleFall {
            0% {
                transform: translateY(0) rotate(0deg) scale(1);
                opacity: 1;
            }
            100% {
                transform: translateY(200px) rotate(360deg) scale(0.5);
                opacity: 0;
            }
        }
        
        header {
            position: relative;
            overflow: hidden;
        }

/* ===== 唐风底部导航栏 ===== */
.tang-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #8B4513 0%, #A0522D 50%, #8B4513 100%);
  border-top: 4px solid #FFD700;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
  padding: 8px 0;
}

.bottom-nav-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 10px;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  color: #FFD700;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 215, 0, 0.3);
  position: relative;
  overflow: hidden;
  font-family: "SimSun", "STSong", serif;
}

.nav-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.nav-item:hover::before {
  left: 100%;
}

.nav-item:hover {
  background: linear-gradient(135deg, #DAA520, #FFD700);
  color: #5D4037;
  border-color: #FFD700;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.nav-icon {
  font-size: 18px;
  margin-bottom: 2px;
}

.nav-text {
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}

body {
  padding-bottom: 90px;
}

@media (max-width: 768px) {
  .tang-bottom-nav {
    height: 50px;
    padding: 4px 0;
    border-top-width: 2px;
    background: rgba(139, 69, 19, 0.9);
    backdrop-filter: blur(3px);
  }

  .bottom-nav-container {
    gap: 4px;
    padding: 0 5px;
    justify-content: space-around;
  }

  .nav-item {
    padding: 4px 6px;
    min-width: 0;
    border-radius: 6px;
    border-width: 1px;
    background: rgba(255, 255, 255, 0.05);
  }

  .nav-icon {
    font-size: 14px;
    margin-bottom: 1px;
  }

  .nav-text {
    font-size: 9px;
    display: block;
  }

  body {
    padding-bottom: 55px;
  }
}

@media (max-width: 480px) {
  .tang-bottom-nav {
    height: 40px;
    padding: 3px 0;
  }

  .bottom-nav-container {
    gap: 2px;
  }

  .nav-item {
    padding: 3px 4px;
  }

  .nav-icon {
    font-size: 12px;
  }

  .nav-text {
    font-size: 8px;
  }

  body {
    padding-bottom: 45px;
  }
}