*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-light: #818cf8;--bg-color: #f8fafc;--card-bg: #ffffff;--text-color: #1e293b;--text-secondary: #64748b;--border-color: #e2e8f0;--shadow: 0 2px 12px rgba(0, 0, 0, .08);--shadow-hover: 0 4px 20px rgba(0, 0, 0, .12);--radius: 12px;--transition: all .3s ease}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;min-height:100vh}#app{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-light) 100%);color:#fff;padding:20px 0;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:15px}.header h1{font-size:1.6rem;font-weight:700}.header h1 a{color:#fff;text-decoration:none}.header-actions{display:flex;gap:12px;align-items:center}.nav-link{color:#fff;text-decoration:none;padding:8px 16px;border:1px solid rgba(255,255,255,.5);border-radius:20px;font-size:.9rem;transition:var(--transition)}.nav-link:hover{background:#fff3;border-color:#fff}.search-box{display:flex;align-items:center;background:#fff3;border-radius:25px;padding:8px 16px;transition:var(--transition)}.search-box:focus-within{background:#ffffff4d}.search-box input{border:none;background:transparent;color:#fff;outline:none;font-size:.95rem;width:150px}.search-box input::placeholder{color:#ffffffb3}.search-box button{background:none;border:none;color:#fff;cursor:pointer;padding:0;font-size:1.1rem}.page-banner{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-light) 100%);color:#fff;padding:50px 0 40px;text-align:center}.page-banner h2{font-size:2rem;margin-bottom:10px}.page-banner p{font-size:1.1rem;opacity:.9}.back-btn{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:1rem;margin-bottom:20px;padding:8px 16px;border-radius:20px;background:#fff3;transition:var(--transition)}.back-btn:hover{background:#ffffff4d}.stats{display:flex;justify-content:center;gap:40px;margin-top:25px}.stat-item{text-align:center}.stat-number{font-size:2.2rem;font-weight:700;display:block}.stat-label{font-size:.9rem;opacity:.8}.tab-bar{display:flex;gap:10px;justify-content:center;margin:30px 0;flex-wrap:wrap}.tab-btn{padding:12px 28px;border:2px solid var(--border-color);border-radius:25px;background:var(--card-bg);color:var(--text-color);font-size:1rem;font-weight:500;cursor:pointer;transition:var(--transition)}.tab-btn:hover{border-color:var(--primary-light);color:var(--primary-color)}.tab-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding:20px 0 40px}.category-card{background:var(--card-bg);border-radius:var(--radius);padding:20px;cursor:pointer;transition:var(--transition);border:1px solid var(--border-color);text-decoration:none;color:inherit;display:block}.category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}.category-icon{font-size:2rem;margin-bottom:10px}.category-name{font-size:1.2rem;font-weight:600;color:var(--primary-color);margin-bottom:5px}.category-count{font-size:.85rem;color:var(--text-secondary);margin-bottom:12px}.category-tags{display:flex;flex-wrap:wrap;gap:6px}.tag{font-size:.8rem;padding:4px 10px;background:#6366f11a;color:var(--primary-color);border-radius:12px;white-space:nowrap}.poem-list{padding:30px 0}.poem-item{background:var(--card-bg);border-radius:var(--radius);padding:20px 25px;margin-bottom:15px;cursor:pointer;transition:var(--transition);border:1px solid var(--border-color);text-decoration:none;color:inherit;display:block}.poem-item:hover{transform:translate(5px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}.poem-title{font-size:1.15rem;font-weight:600;margin-bottom:8px;color:var(--primary-color)}.poem-author{font-size:.9rem;color:var(--text-secondary)}.poem-preview{font-size:.95rem;color:var(--text-secondary);margin-top:10px;line-height:1.8;white-space:pre-line;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.detail-page{max-width:700px;margin:0 auto;padding:30px 20px}.detail-card{background:var(--card-bg);border-radius:var(--radius);padding:40px;border:1px solid var(--border-color);box-shadow:var(--shadow)}.detail-header{text-align:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.detail-title{font-size:1.8rem;color:var(--primary-color);margin-bottom:10px}.detail-meta{font-size:1rem;color:var(--text-secondary)}.detail-content{font-size:1.2rem;line-height:2.2;text-align:center;white-space:pre-line;color:var(--text-color);letter-spacing:1px}.song-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:30px 0}.song-card{background:var(--card-bg);border-radius:var(--radius);padding:20px;cursor:pointer;transition:var(--transition);border:1px solid var(--border-color);text-decoration:none;color:inherit;display:flex;gap:15px;align-items:flex-start}.song-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}.song-number{width:40px;height:40px;min-width:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-light) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700}.song-info{flex:1;min-width:0}.song-title{font-size:1.1rem;font-weight:600;color:var(--primary-color);margin-bottom:6px}.song-meta{font-size:.8rem;color:var(--text-secondary);margin-bottom:8px}.song-preview{font-size:.85rem;color:var(--text-secondary);line-height:1.6;white-space:pre-line;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;padding:40px 0}.module-card{background:var(--card-bg);border-radius:var(--radius);padding:30px;text-align:center;cursor:pointer;transition:var(--transition);border:1px solid var(--border-color);text-decoration:none;color:inherit;display:block}.module-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}.module-icon{font-size:3rem;margin-bottom:15px}.module-name{font-size:1.3rem;font-weight:600;color:var(--text-color);margin-bottom:8px}.module-desc{font-size:.9rem;color:var(--text-secondary)}.footer{background:var(--primary-color);color:#fff;text-align:center;padding:30px 20px;margin-top:50px}.footer p{opacity:.9;margin:5px 0}.footer a{color:#fff;text-decoration:underline}.no-results{text-align:center;padding:60px 20px;color:var(--text-secondary);font-size:1.1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .5s ease forwards}@media (max-width: 768px){.header .container{flex-direction:column;text-align:center}.header h1{font-size:1.4rem}.header-actions{flex-wrap:wrap;justify-content:center}.search-box{width:100%;max-width:300px}.search-box input{width:100%}.page-banner{padding:40px 0 30px}.page-banner h2{font-size:1.5rem}.stats{gap:20px}.stat-number{font-size:1.8rem}.module-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:15px}.category-grid,.song-grid{grid-template-columns:1fr}.detail-card{padding:25px}.detail-title{font-size:1.4rem}.detail-content{font-size:1.05rem;line-height:2}}@media (max-width: 480px){.container{padding:0 15px}.header h1{font-size:1.2rem}.module-grid{grid-template-columns:1fr 1fr;gap:12px}.module-card{padding:20px 15px}.module-icon{font-size:2.5rem}.module-name{font-size:1.1rem}}