/* poem-detail 页面样式 */

/* ======== 从 poem-detail.html 抽取的内联样式（2026-07-18） ======== */
/* 原 <style> 块 1 */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Serif SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
            margin-top: 80px;
            padding-bottom: 100px;
        }
        
        /* 五星优化：添加页面加载动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes shimmer {
            0% { background-position: -200% 0; }
            100% { background-position: 200% 0; }
        }
        
        .poem-detail-card {
            animation: fadeInUp 0.6s ease-out;
        }
        
        /* 五星优化：添加收藏和分享按钮 */
        .action-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #eee;
        }
        
        .action-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
            font-family: inherit;
        }
        
        .action-btn.favorite {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            color: white;
        }
        
        .action-btn.share {
            background: linear-gradient(135deg, #4ecdc4, #44a3aa);
            color: white;
        }
        
        .action-btn.print {
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
        }
        
        .action-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .action-btn.active {
            background: linear-gradient(135deg, #ff4757, #ff3838);
        }
        
        /* 毛笔笔触揭示注释效果 */
        .annotated-word {
            border-bottom: 2px dotted #8B4513;
            cursor: pointer;
            position: relative;
            transition: color 0.3s;
            color: #2c3e50;
        }
        
        .annotated-word:hover {
            color: #8B4513;
            font-weight: bold;
        }
        
        .annotation-popup {
            position: absolute;
            bottom: calc(100% + 10px);
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
            padding: 15px 20px;
            border-radius: 12px;
            font-size: 14px;
            white-space: nowrap;
            z-index: 1000;
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
            opacity: 0;
            transform: translateX(-50%) translateY(10px);
            transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
            border-left: 3px solid #DAA520;
            max-width: 280px;
        }
        
        .annotated-word:hover .annotation-popup {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
        
        .annotation-title {
            font-weight: bold;
            color: #DAA520;
            margin-bottom: 5px;
            font-size: 13px;
        }
        
        .annotation-content {
            line-height: 1.6;
            font-size: 13px;
        }
        
        /* 诗句逐字显示动画 */
        .poem-content {
            font-family: 'KaiTi', 'STKaiti', 'Noto Serif SC', serif;
            font-size: 24px;
            line-height: 2.5;
            text-align: center;
            color: #2c3e50;
            margin: 30px 0;
            min-height: 150px;
        }
        
        .poem-char {
            display: inline-block;
            opacity: 0;
            transform: translateY(10px);
            animation: charReveal 0.4s ease-out forwards;
            position: relative;
        }
        
        .poem-char::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background: linear-gradient(90deg, rgba(139,69,19,0.3), transparent);
            animation: brushStroke 0.3s ease-out forwards;
        }
        
        @keyframes charReveal {
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes brushStroke {
            to { width: 100%; }
        }
        
        /* 朗读高亮效果 */
        .poem-char.reading {
            color: #8B4513;
            font-weight: bold;
            transform: scale(1.1);
            transition: all 0.3s;
        }
        
        /* 章节折叠动画 */
        .section-toggle {
            cursor: pointer;
            transition: all 0.3s;
            padding: 15px;
            background: linear-gradient(135deg, rgba(139,69,19,0.1), rgba(139,69,19,0.05));
            border-radius: 10px;
            margin-bottom: 10px;
        }
        
        .section-toggle:hover {
            background: linear-gradient(135deg, rgba(139,69,19,0.2), rgba(139,69,19,0.1));
        }
        
        .section-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            opacity: 0;
        }
        
        .section-content.open {
            max-height: 500px;
            opacity: 1;
        }
        
        /* 装饰元素 */
        .ink-splash {
            position: absolute;
            width: 100px;
            height: 100px;
            background: radial-gradient(circle, rgba(44,62,80,0.1), transparent);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }
        
        /* 五星优化：添加朗读进度条样式 */
        .audio-controls {
            flex: 1;
            margin-left: 20px;
        }
        
        .progress-bar {
            width: 100%;
            height: 6px;
            background: #e0e0e0;
            border-radius: 3px;
            overflow: hidden;
            cursor: pointer;
            margin-bottom: 10px;
        }
        
        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #3498db, #2980b9);
            width: 0%;
            transition: width 0.1s linear;
        }
        
        .time-display {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: #666;
        }
        
        /* 五星优化：添加诗词标签 */
        .poem-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-top: 15px;
        }
        
        .poem-tag {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .poem-tag:hover {
            transform: scale(1.05);
            box-shadow: 0 3px 10px rgba(245, 87, 108, 0.4);
        }
        
        .detail-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .back-link {
            display: inline-block;
            margin-bottom: 20px;
            color: white;
            text-decoration: none;
            font-size: 16px;
            transition: color 0.3s;
        }
        
        .back-link:hover {
            color: #f0f0f0;
        }
        
        .cross-links {
            display: flex;
            justify-content: center;
            gap: 12px;
            padding: 15px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 15px;
            margin-bottom: 20px;
            flex-wrap: wrap;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        
        .cross-link-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            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 6px 20px rgba(102, 126, 234, 0.4);
        }
        
        .poem-detail-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 30px;
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .poem-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .poem-title {
            font-size: 36px;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        
        .poem-author {
            font-size: 18px;
            color: #666;
            margin-bottom: 20px;
        }
        
        .poem-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        .meta-item {
            background: #f8f9fa;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            color: #666;
        }
        
        .poem-content-section {
            margin-bottom: 40px;
        }
        
        .section-title {
            font-size: 20px;
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #3498db;
        }
        
        .poem-original {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 15px;
            font-family: 'SimSun', serif;
            font-size: 18px;
            line-height: 2.5;
            white-space: pre-wrap;
            text-align: center;
        }
        
        .poem-translation {
            background: #e8f4fd;
            padding: 30px;
            border-radius: 15px;
            font-size: 16px;
            line-height: 2;
            margin-top: 20px;
        }
        
        .poem-notes {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 15px;
            font-size: 16px;
            line-height: 2;
            margin-top: 20px;
            border-left: 4px solid #3498db;
        }
        
        .poem-appreciation {
            background: #f0f8e8;
            padding: 30px;
            border-radius: 15px;
            font-size: 16px;
            line-height: 2;
            margin-top: 20px;
            border-left: 4px solid #8B4513;
        }
        
        .poem-background {
            background: #fff3e0;
            padding: 30px;
            border-radius: 15px;
            font-size: 16px;
            line-height: 2;
            margin-top: 20px;
            border-left: 4px solid #e67e22;
        }
        
        .poem-audio {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 15px;
            margin-top: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .play-btn {
            background: #3498db;
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        .play-btn:hover {
            background: #2980b9;
            transform: translateY(-2px);
        }
        
        .related-recommendations {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 30px;
            backdrop-filter: blur(10px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .recommendations-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        
        .recommendation-card {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 15px;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .recommendation-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .recommendation-title {
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        
        .recommendation-author {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }
        
        .recommendation-content {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }
        
        .loading-spinner {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 100px;
            color: #666;
        }
        
        .spinner {
            width: 60px;
            height: 60px;
            border: 6px solid #f3f3f3;
            border-top: 6px solid #3498db;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .error-message {
            text-align: center;
            padding: 100px;
            color: #666;
        }
        
        .error-icon {
            font-size: 64px;
            margin-bottom: 20px;
        }
        
        @media (max-width: 768px) {
            .detail-container {
                padding: 15px;
            }
            
            .poem-detail-card {
                padding: 20px;
            }
            
            .poem-title {
                font-size: 28px;
            }
            
            .poem-original {
                padding: 20px;
                font-size: 16px;
            }
            
            .poem-translation {
                padding: 20px;
            }
            
            .recommendations-grid {
                grid-template-columns: 1fr;
            }
        }

/* 原 <style> 块 2 */
.scroll-to-top {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            font-size: 24px;
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            z-index: 999;
        }
        
        .scroll-to-top:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
        }
        
        .scroll-to-top.show {
            display: flex;
        }
        
        @media (max-width: 768px) {
            .scroll-to-top {
                bottom: 90px;
                right: 20px;
                width: 45px;
                height: 45px;
                font-size: 20px;
            }
        }
        
        /* ====== 增强交互效果 ====== */
        
        /* 诗词标题入场动画 */
        .poem-title {
            animation: titleFadeIn 1s ease-out;
            background: linear-gradient(135deg, #8B4513, #DAA520);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        @keyframes titleFadeIn {
            0% { opacity: 0; transform: translateY(-20px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        
        /* 诗句逐字显示 */
        .poem-line {
            overflow: hidden;
        }
        
        .poem-char {
            display: inline-block;
            opacity: 0;
            transform: translateY(5px);
            animation: charReveal 0.3s ease-out forwards;
        }
        
        @keyframes charReveal {
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* 诗人名字动画 */
        .poet-name {
            animation: poetNameFade 0.8s ease-out 0.5s backwards;
        }
        
        @keyframes poetNameFade {
            0% { opacity: 0; transform: translateX(20px); }
            100% { opacity: 1; transform: translateX(0); }
        }
        
        /* 注释卡片入场 */
        .annotation-card {
            animation: annotationSlide 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        @keyframes annotationSlide {
            0% { opacity: 0; transform: translateX(-20px); }
            100% { opacity: 1; transform: translateX(0); }
        }
        
        /* 注释悬浮效果 */
        .annotation-item {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .annotation-item:hover {
            background: rgba(218, 165, 32, 0.1);
            transform: translateX(5px);
            border-left: 3px solid #DAA520;
        }
        
        /* 音频播放器动画 */
        .audio-player {
            animation: audioFadeIn 0.8s ease-out;
        }
        
        @keyframes audioFadeIn {
            0% { opacity: 0; transform: translateY(10px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        
        /* 播放按钮波纹 */
        .play-btn {
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .play-btn::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.4s ease-out, height 0.4s ease-out;
        }
        
        .play-btn:active::after {
            width: 200%;
            height: 200%;
        }
        
        /* 进度条流光效果 */
        .progress-bar-fill {
            background: linear-gradient(90deg, #DAA520, #FFD700, #DAA520, #FFD700, #DAA520);
            background-size: 200% 100%;
            animation: progressFlow 2s linear infinite;
        }
        
        @keyframes progressFlow {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }
        
        /* 收藏按钮心跳 */
        .favorite-btn {
            transition: all 0.3s ease;
        }
        
        .favorite-btn.favorited {
            animation: heartBeat 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        
        @keyframes heartBeat {
            0% { transform: scale(1); }
            25% { transform: scale(1.3); }
            50% { transform: scale(1); }
            75% { transform: scale(1.15); }
            100% { transform: scale(1); }
        }
        
        /* 分享按钮波纹 */
        .share-btn {
            position: relative;
            overflow: hidden;
        }
        
        .share-btn::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(218, 165, 32, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.4s ease-out, height 0.4s ease-out;
        }
        
        .share-btn:active::after {
            width: 200%;
            height: 200%;
        }
        
        /* 诗词卡片悬浮 */
        .poem-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .poem-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(139, 69, 19, 0.15);
        }
        
        /* 返回顶部按钮弹跳 */
        .scroll-to-top.show {
            animation: btnBounceIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        
        @keyframes btnBounceIn {
            0% { transform: translateY(20px) scale(0); opacity: 0; }
            50% { transform: translateY(-5px) scale(1.1); opacity: 1; }
            100% { transform: translateY(0) scale(1); opacity: 1; }
        }
        
        /* 标签悬浮效果 */
        .poem-tag {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .poem-tag:hover {
            transform: scale(1.1);
            box-shadow: 0 4px 12px rgba(218, 165, 32, 0.3);
        }
        
        /* 相关诗词卡片入场 */
        .related-poem-card {
            animation: relatedSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
        }
        
        .related-poem-card:nth-child(1) { animation-delay: 0.1s; }
        .related-poem-card:nth-child(2) { animation-delay: 0.2s; }
        .related-poem-card:nth-child(3) { animation-delay: 0.3s; }
        
        @keyframes relatedSlideIn {
            0% { opacity: 0; transform: translateY(20px); }
            100% { opacity: 1; transform: translateY(0); }
        }
        
        /* 朗诵者头像动画 */
        .reciter-avatar {
            animation: avatarPulse 2s ease-in-out infinite;
        }
        
        @keyframes avatarPulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(218, 165, 32, 0.4); }
            50% { box-shadow: 0 0 0 10px rgba(218, 165, 32, 0); }
        }
        
        /* ====== 毛笔笔触揭示注释效果 ====== */
        
        /* 可注释字词样式 */
        .brush-word {
            display: inline-block;
            cursor: pointer;
            position: relative;
            padding: 2px 4px;
            margin: 0 1px;
            border-radius: 4px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            color: #8B4513;
            font-weight: bold;
        }
        
        @media (max-width: 768px) {
            /* 触屏命中区扩大（padding 外扩、负 margin 抵消排版位移） */
            .brush-word {
                padding: 10px 8px;
                margin: -8px -7px 0 -7px;
            }
        }
        
        .brush-word:hover {
            background: linear-gradient(135deg, rgba(218, 165, 32, 0.2), rgba(255, 215, 0, 0.1));
            box-shadow: 0 0 10px rgba(218, 165, 32, 0.3);
        }
        
        .brush-word.brushed {
            background: linear-gradient(135deg, #DAA520, #FFD700);
            color: #5D4037;
            box-shadow: 0 0 15px rgba(218, 165, 32, 0.5);
            animation: brushStroke 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        
        @keyframes brushStroke {
            0% { 
                transform: scale(0) rotate(-10deg); 
                opacity: 0;
            }
            50% { 
                transform: scale(1.2) rotate(5deg); 
                opacity: 1;
            }
            70% { 
                transform: scale(0.9) rotate(-2deg); 
            }
            100% { 
                transform: scale(1) rotate(0deg); 
            }
        }
        
        /* 毛笔笔触注释框 */
        .brush-annotation {
            position: fixed;
            background: linear-gradient(135deg, #5D4037, #8D6E63);
            color: #FFF8E1;
            padding: 12px 20px;
            border-radius: 12px;
            font-size: 15px;
            font-family: 'Noto Serif SC', serif;
            box-shadow: 0 8px 25px rgba(93, 64, 55, 0.4);
            z-index: 10000;
            max-width: 280px;
            max-width: min(280px, 86vw); /* 窄屏钳制，防横向溢出 */
            opacity: 0;
            transform: translateY(-10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: 2px solid #DAA520;
            pointer-events: auto;
        }
        
        /* JS 类名驱动可见性（修复 opacity 恒 0 缺陷；触屏 tap 路径同样生效） */
        .brush-annotation.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        @media (max-width: 768px) {
            .brush-annotation {
                padding: 10px 14px;
                font-size: 14px;
            }
        }
        
        .brush-annotation::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 20px;
            width: 0;
            height: 0;
            border-left: 10px solid transparent;
            border-right: 10px solid transparent;
            border-bottom: 10px solid #8D6E63;
        }
        
        .brush-annotation::after {
            content: '';
            position: absolute;
            top: -6px;
            left: 22px;
            width: 0;
            height: 0;
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 8px solid #DAA520;
        }
        
        /* 毛笔书写动画 */
        .poem-char {
            display: inline-block;
            opacity: 0;
            transform: translateY(10px);
            animation: brushWrite 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
            color: #3E2723;
        }
        
        @keyframes brushWrite {
            0% {
                opacity: 0;
                transform: translateY(10px) scale(0.5);
            }
            50% {
                opacity: 0.8;
                transform: translateY(-2px) scale(1.1);
            }
            100% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        
        /* 原文容器样式 */
        .poem-original {
            background: linear-gradient(135deg, #FFF8E1 0%, #FFECB3 100%);
            border: 2px solid #D7CCC8;
            position: relative;
            overflow: hidden;
        }
        
        .poem-original::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                repeating-linear-gradient(
                    transparent,
                    transparent 50px,
                    rgba(139, 69, 19, 0.03) 50px,
                    rgba(139, 69, 19, 0.03) 51px
                );
            pointer-events: none;
        }
        
        /* 注释区域毛笔图标 */
        .poem-notes {
            position: relative;
        }
        
        .poem-notes::before {
            content: '✒️';
            position: absolute;
            top: -5px;
            right: 10px;
            font-size: 24px;
            opacity: 0.3;
        }
        
        /* 收藏按钮毛笔效果 */
        .action-btn.favorite {
            background: linear-gradient(135deg, #8B4513, #A0522D);
            position: relative;
            overflow: hidden;
        }
        
        .action-btn.favorite::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.3), transparent);
            transition: left 0.5s;
        }
        
        .action-btn.favorite:hover::after {
            left: 100%;
        }
        
        /* 标签水墨效果 */
        .poem-tag {
            background: linear-gradient(135deg, #3E2723, #5D4037);
            border: 1px solid #8D6E63;
            position: relative;
        }
        
        .poem-tag::before {
            content: '';
            position: absolute;
            top: 2px;
            left: 2px;
            right: 2px;
            bottom: 2px;
            background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
            border-radius: 13px;
            pointer-events: none;
        }
        
        .poem-tag:hover {
            background: linear-gradient(135deg, #5D4037, #8D6E63);
            border-color: #DAA520;
        }

/* 原 <style> 块 3 */
.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-item.special-link {
      background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 165, 0, 0.3));
      border-color: #FFD700;
      animation: glow 2s infinite;
    }

    .nav-item.special-link:hover {
      background: linear-gradient(135deg, #FFD700, #FFA500);
      animation: none;
    }

    @keyframes glow {
      0%, 100% { box-shadow: 0 0 5px #FFD700; }
      50% { box-shadow: 0 0 20px #FFD700, 0 0 30px #FFA500; }
    }

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

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

    body {
      padding-bottom: 90px;
    }

/* 原内联 style 属性（已转为 class） */
.ih-pdbjr4 {
    display: none;
}

.ih-1bylpw6 {
    margin-top: 30px;
    padding: 25px;
    background: #fffef8;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border-left: 4px solid #3498db;
}

.ih-1pv0ode {
    color: #3498db;
    margin-bottom: 15px;
    font-size: 18px;
}

.ih-1y8msbs {
    margin-bottom: 15px;
}

.ih-1vbrzpd {
    color: #2980b9;
    margin-bottom: 8px;
    font-size: 15px;
}

.ih-155qddl {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
}

.ih-1txpkux {
    color: #3498db;
    text-decoration: none;
}

.ih-1y9716f {
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
    color: #666;
}

.ih-cttmqt {
    margin: 5px 0;
}

.ih-1swgkdw {
    color: #1a73e8;
    text-decoration: none;
}