.top-navigation[data-v-a6f58beb]{background:#fff;border-bottom:1px solid #e8e8e8;box-shadow:0 2px 8px #0000000f;position:sticky;top:0;z-index:1000}.nav-container[data-v-a6f58beb]{gap:60px;height:64px;justify-content:space-between;margin:0 auto;max-width:1440px;padding:0 20px}.logo-link[data-v-a6f58beb],.nav-container[data-v-a6f58beb],.nav-left[data-v-a6f58beb],.nav-logo[data-v-a6f58beb]{align-items:center;display:flex}.logo-link[data-v-a6f58beb]{color:#333;font-size:20px;font-weight:600;text-decoration:none;transition:color .3s ease}.logo-link[data-v-a6f58beb]:hover{color:#1890ff}.logo-image[data-v-a6f58beb]{height:30px;margin-right:0;-o-object-fit:contain;object-fit:contain;width:100px}.logo-text[data-v-a6f58beb]{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.nav-menu[data-v-a6f58beb]{gap:32px;padding-left:40px}.nav-item[data-v-a6f58beb],.nav-menu[data-v-a6f58beb]{align-items:center;display:flex}.nav-item[data-v-a6f58beb]{color:#333;font-size:16px;font-weight:500;gap:6px;padding:8px 0;position:relative;text-decoration:none}.nav-icon[data-v-a6f58beb],.nav-item[data-v-a6f58beb]{transition:color .3s ease}.nav-icon[data-v-a6f58beb]{color:#666;flex-shrink:0}.nav-item[data-v-a6f58beb]:hover,.nav-item:hover .nav-icon[data-v-a6f58beb]{color:#1890ff}.nav-item[data-v-a6f58beb]:after{background:#1890ff;bottom:0;content:"";height:2px;left:0;position:absolute;transition:width .3s ease;width:0}.nav-item[data-v-a6f58beb]:hover:after{width:100%}.nav-right[data-v-a6f58beb],.register-btn[data-v-a6f58beb]{align-items:center;display:flex}.register-btn[data-v-a6f58beb]{background:#333;border-radius:6px;box-shadow:0 2px 4px #0003;color:#fff;font-size:14px;font-weight:500;gap:6px;padding:8px 16px;text-decoration:none;transition:all .3s ease}.register-btn[data-v-a6f58beb]:hover{background:#555;box-shadow:0 4px 8px #0000004d;transform:translateY(-1px)}.register-icon[data-v-a6f58beb]{color:#fff;flex-shrink:0}@media (max-width:768px){.nav-container[data-v-a6f58beb]{height:56px;padding:0 16px}.nav-menu[data-v-a6f58beb]{gap:20px}.nav-item[data-v-a6f58beb]{font-size:14px}.logo-text[data-v-a6f58beb]{font-size:18px}.logo-image[data-v-a6f58beb]{height:28px;width:28px}.register-btn[data-v-a6f58beb]{font-size:13px;padding:6px 12px}}@media (max-width:480px){.nav-menu[data-v-a6f58beb]{gap:16px}.nav-item[data-v-a6f58beb]{font-size:13px}.register-btn[data-v-a6f58beb]{font-size:12px;padding:5px 10px}.register-btn span[data-v-a6f58beb]{display:none}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:0}#app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding-top:0}.main-content.admin-page,.main-content.ai-write-page{padding-top:0}