*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background-color:#f5f5f5;color:#333}.header{background:linear-gradient(135deg,#2c3e50 0%,#34495e 50%,#2c3e50 100%);color:#fff;padding:2rem;text-align:center;position:relative;overflow:hidden}.header:before{content:'"';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:20rem;opacity:.03;font-family:serif;pointer-events:none}.header-content{max-width:800px;margin:0 auto;position:relative;z-index:1}.header h1{font-size:2.5rem;margin-bottom:.5rem;font-family:"Noto Serif SC",Songti SC,serif;letter-spacing:.2em;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.header .subtitle{font-size:1.2rem;color:#bdc3c7;margin-bottom:1.5rem;font-style:italic;letter-spacing:.1em}.header .description{font-size:1rem;line-height:1.8;color:#ecf0f1;text-align:justify;opacity:.9;padding:0 1rem}main{max-width:1200px;margin:0 auto;padding:2rem}.footer{background-color:#2c3e50;color:#fff;text-align:center;padding:1rem;margin-top:2rem}.disclaimer{margin-top:1rem;font-size:.8rem;line-height:1.5;color:#bdc3c7;text-align:left;max-width:800px;margin-left:auto;margin-right:auto}.disclaimer p{margin-bottom:.5rem}.disclaimer strong{color:#e74c3c}.scroll-top-btn{position:fixed;bottom:30px;right:30px;width:50px;height:50px;border-radius:50%;background-color:#3498db;color:#fff;border:none;font-size:1.5rem;cursor:pointer;box-shadow:0 2px 10px #0003;transition:all .3s ease;z-index:1000}.scroll-top-btn:hover{background-color:#2980b9;transform:translateY(-3px);box-shadow:0 4px 15px #0000004d}.scroll-top-btn:active{transform:translateY(1px);box-shadow:0 2px 8px #0003}.book-list[data-v-43aa7e50]{max-width:1200px;margin:0 auto}h2[data-v-43aa7e50]{text-align:center;margin-bottom:2rem;color:#2c3e50}.search-bar[data-v-43aa7e50]{display:flex;justify-content:center;margin-bottom:2rem}.search-input[data-v-43aa7e50]{width:100%;max-width:600px;padding:.8rem 1rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;transition:border-color .3s ease}.search-input[data-v-43aa7e50]:focus{outline:none;border-color:#3498db;box-shadow:0 0 0 2px #3498db1a}.tag-filter[data-v-43aa7e50]{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:2rem}.tag-filter button[data-v-43aa7e50]{padding:.5rem 1rem;border:1px solid #3498db;background-color:#fff;color:#3498db;border-radius:4px;cursor:pointer;transition:all .3s ease}.tag-filter button[data-v-43aa7e50]:hover,.tag-filter button.active[data-v-43aa7e50]{background-color:#3498db;color:#fff}.book-tags[data-v-43aa7e50]{margin-bottom:.5rem}.book-tag[data-v-43aa7e50]{display:inline-block;background-color:#ecf0f1;color:#3498db;padding:.2rem .5rem;border-radius:12px;font-size:.8rem;margin-right:.3rem;margin-bottom:.3rem}.books-grid[data-v-43aa7e50]{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.book-card[data-v-43aa7e50]{background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #0000001a;overflow:hidden;cursor:pointer;transition:transform .3s ease,box-shadow .3s ease}.book-card[data-v-43aa7e50]:hover{transform:translateY(-5px);box-shadow:0 5px 20px #00000026}.book-cover[data-v-43aa7e50]{width:100%;height:280px;overflow:hidden}.book-cover img[data-v-43aa7e50]{width:100%;height:100%;object-fit:contain;background-color:#f5f5f5}.book-info[data-v-43aa7e50]{padding:1rem}.book-title[data-v-43aa7e50]{font-size:1.2rem;margin-bottom:.5rem;color:#2c3e50}.book-description[data-v-43aa7e50]{font-size:.9rem;color:#555;margin-bottom:1rem;line-height:1.4;height:60px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}@media (max-width: 768px){.books-grid[data-v-43aa7e50]{grid-template-columns:1fr}}.book-detail[data-v-c6a65782]{max-width:1000px;margin:0 auto}.back-button[data-v-c6a65782]{background-color:#3498db;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;margin-bottom:2rem;font-size:1rem}.back-button[data-v-c6a65782]:hover{background-color:#2980b9}.book-content[data-v-c6a65782]{background-color:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 10px #0000001a}.book-header[data-v-c6a65782]{margin-bottom:2rem}.book-meta[data-v-c6a65782]{text-align:center}.book-title[data-v-c6a65782]{font-size:2rem;margin-bottom:1rem;color:#2c3e50}.book-tags[data-v-c6a65782]{margin-bottom:1.5rem}.book-tag[data-v-c6a65782]{display:inline-block;background-color:#ecf0f1;color:#34495e;padding:.3rem .8rem;border-radius:16px;font-size:.9rem;margin-right:.5rem;margin-bottom:.5rem}.cover-section[data-v-c6a65782]{display:flex;justify-content:center;margin:2rem 0}.book-cover-standard[data-v-c6a65782]{max-width:400px;width:100%;overflow:hidden;border-radius:8px}.book-cover-standard img[data-v-c6a65782]{width:100%;height:auto;object-fit:contain;background-color:#f5f5f5}.download-links[data-v-c6a65782]{margin-top:2rem}.download-links h3[data-v-c6a65782]{font-size:1.5rem;margin-bottom:1.5rem;color:#2c3e50;text-align:center}.links-list[data-v-c6a65782]{display:flex;flex-direction:column;gap:1rem}.link-item[data-v-c6a65782]{display:flex;padding:1rem;background-color:#f8f9fa;border-radius:8px;transition:all .3s ease;text-decoration:none}.link-item[data-v-c6a65782]:hover{background-color:#e9ecef;transform:translate(5px)}.link-info[data-v-c6a65782]{flex:1}.link-name[data-v-c6a65782]{display:block;font-weight:700;margin-bottom:.5rem;color:#3498db;text-decoration:none}.link-url[data-v-c6a65782]{font-size:.9rem;color:#666;word-break:break-all;text-decoration:none}.link-hint[data-v-c6a65782]{display:flex;align-items:center;justify-content:center;padding:.5rem 1rem;background-color:#3498db;color:#fff;border-radius:4px;font-size:.9rem;font-weight:700;cursor:pointer;white-space:nowrap}.link-hint[data-v-c6a65782]:hover{background-color:#2980b9}.not-found[data-v-c6a65782]{text-align:center;padding:4rem}.not-found h2[data-v-c6a65782]{margin-bottom:2rem;color:#e74c3c}@media (max-width: 768px){.book-meta[data-v-c6a65782]{text-align:center}.link-item[data-v-c6a65782]{flex-direction:column;gap:1rem;text-align:center}}