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infinite}.video-info-section[data-v-1344a758]{background:#fff;border-radius:12px;padding:20px;margin-bottom:15px}.video-card[data-v-1344a758]{display:flex;gap:12px}.video-cover[data-v-1344a758]{width:120px;height:160px;border-radius:8px;object-fit:cover}.video-details[data-v-1344a758]{flex:1;display:flex;flex-direction:column;justify-content:center}.video-title[data-v-1344a758]{font-size:14px;font-weight:700;color:#333;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-author[data-v-1344a758]{font-size:12px;color:#666;margin-bottom:10px}.video-stats[data-v-1344a758]{display:flex;gap:15px}.stat-item[data-v-1344a758]{font-size:12px;color:#999}.download-section[data-v-1344a758]{background:#fff;border-radius:12px;padding:20px;margin-bottom:15px}.download-option[data-v-1344a758]{display:flex;align-items:center;padding:15px;border:1px solid #eee;border-radius:10px;margin-bottom:10px;cursor:pointer;transition:all .3s ease}.download-option[data-v-1344a758]:hover{background:#f8f9ff;border-color:#667eea}.download-option[data-v-1344a758]:last-child{margin-bottom:0}.option-icon[data-v-1344a758]{font-size:28px;margin-right:12px}.option-info[data-v-1344a758]{flex:1}.option-name[data-v-1344a758]{font-size:14px;font-weight:700;color:#333;display:block}.option-desc[data-v-1344a758]{font-size:12px;color:#999;margin-top:2px;display:block}.option-arrow[data-v-1344a758]{font-size:20px;color:#ccc}.tips-section[data-v-1344a758]{background:#e8f5e9;border-radius:12px;padding:15px}.tips-title[data-v-1344a758]{font-size:14px;font-weight:700;color:#4caf50;margin-bottom:10px}.tips-item[data-v-1344a758]{font-size:12px;color:#666;margin-bottom:6px}@keyframes rotate-1344a758{0%{transform:rotate(0)}to{transform:rotate(360deg)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f5f5f5}.app-container{min-height:100vh;display:flex;flex-direction:column}.nav-bar{background:linear-gradient(135deg,#667eea,#764ba2);padding:20px 0;text-align:center}.nav-bar .nav-title{color:#fff;font-size:20px;font-weight:700}.tab-bar{display:flex;background:#fff;padding:10px 20px;box-shadow:0 2px 10px #0000000d}.tab-bar .tab-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:10px;border-radius:10px;cursor:pointer;transition:all .3s ease}.tab-bar .tab-item.active{background:linear-gradient(135deg,#667eea,#764ba2)}.tab-bar .tab-item.active .tab-icon,.tab-bar .tab-item.active .tab-text{color:#fff}.tab-bar .tab-item .tab-icon{font-size:24px;margin-bottom:5px}.tab-bar .tab-item .tab-text{font-size:14px;color:#666}.content{flex:1;padding:15px}.footer{text-align:center;padding:15px;color:#999;font-size:12px}