*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f7fa;min-height:100vh}#app{max-width:800px;margin:0 auto;padding:20px}.home[data-v-5a714c18]{padding-top:40px;text-align:center}.title[data-v-5a714c18]{font-size:2.5rem;color:#333;margin-bottom:8px}.subtitle[data-v-5a714c18]{font-size:1.2rem;color:#666;margin-bottom:40px}.card-list[data-v-5a714c18]{display:flex;flex-direction:column;gap:16px}.card[data-v-5a714c18]{display:flex;align-items:center;gap:16px;padding:24px;background:#fff;border-radius:16px;box-shadow:0 2px 8px #00000014;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}.card[data-v-5a714c18]:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.card-icon[data-v-5a714c18]{font-size:2.5rem}.card-title[data-v-5a714c18]{font-size:1.4rem;font-weight:600;color:#333}.card-desc[data-v-5a714c18]{font-size:1rem;color:#888;margin-top:4px}.youtube-page[data-v-2715f7da]{padding-top:20px}.back-btn[data-v-2715f7da]{display:inline-block;font-size:1.1rem;color:#666;text-decoration:none;margin-bottom:20px}.back-btn[data-v-2715f7da]:hover{color:#333}.title[data-v-2715f7da]{font-size:2rem;color:#333;margin-bottom:8px}.desc[data-v-2715f7da]{font-size:1.1rem;color:#888;margin-bottom:24px}.input-area[data-v-2715f7da]{display:flex;flex-direction:column;gap:12px}.url-input[data-v-2715f7da]{width:100%;padding:16px 20px;font-size:1.2rem;border:2px solid #ddd;border-radius:12px;outline:none;transition:border-color .2s}.url-input[data-v-2715f7da]:focus{border-color:#4a90d9}.convert-btn[data-v-2715f7da]{width:100%;padding:18px;font-size:1.3rem;font-weight:600;color:#fff;background:#4a90d9;border:none;border-radius:12px;cursor:pointer;transition:background .2s}.convert-btn[data-v-2715f7da]:hover:not(:disabled){background:#357abd}.convert-btn[data-v-2715f7da]:disabled{background:#ccc;cursor:not-allowed}.loading[data-v-2715f7da]{text-align:center;margin-top:32px;color:#666;font-size:1.1rem}.spinner[data-v-2715f7da]{width:40px;height:40px;border:4px solid #eee;border-top-color:#4a90d9;border-radius:50%;animation:spin-2715f7da .8s linear infinite;margin:0 auto 12px}@keyframes spin-2715f7da{to{transform:rotate(360deg)}}.error[data-v-2715f7da]{margin-top:20px;padding:16px;background:#fee;color:#c33;border-radius:12px;font-size:1.1rem}.result-area[data-v-2715f7da]{margin-top:24px;background:#fff;border-radius:12px;box-shadow:0 2px 8px #00000014;overflow:hidden}.result-header[data-v-2715f7da]{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:#f8f9fa;border-bottom:1px solid #eee;font-size:1.1rem;font-weight:600}.result-actions[data-v-2715f7da]{display:flex;gap:8px}.format-btn[data-v-2715f7da]{padding:10px 20px;font-size:1rem;font-weight:600;color:#fff;background:#4a90d9;border:none;border-radius:8px;cursor:pointer}.format-btn[data-v-2715f7da]:hover:not(:disabled){background:#357abd}.format-btn[data-v-2715f7da]:disabled{background:#aaa;cursor:not-allowed}.copy-btn[data-v-2715f7da]{padding:10px 20px;font-size:1rem;font-weight:600;color:#fff;background:#28a745;border:none;border-radius:8px;cursor:pointer}.copy-btn[data-v-2715f7da]:hover{background:#218838}.result-text[data-v-2715f7da]{padding:20px;font-size:1.05rem;line-height:1.8;white-space:pre-wrap;max-height:500px;overflow-y:auto}