#header-container{position:sticky;top:0;z-index:1000;display:flex;justify-content:space-between;align-items:center;padding:2px 2px;background-color:#ffffff;color:#333;box-shadow:none;}#header-container a{color:#333;text-decoration:none;padding:5px;}#header-container a:hover{text-decoration:underline;}.nav-tabs{display:flex;justify-content:center;gap:4px;border-bottom:none;background-color:#ffffff;flex-wrap:wrap;width:100%;max-width:1200px;margin-left:auto;margin-right:auto;box-sizing:border-box;}.nav-link{color:#333;font-size:16px;padding:7px 8px;border:1px solid transparent;border-radius:5px 5px 0 0;transition:all 0.3s ease;flex:1 1 0;text-align:center;min-width:0;white-space:nowrap;background:none;outline:none;}.nav-link.active{color:#222;background-color:#fff;border-bottom:2px solid #fff;font-weight:bold;z-index:1;}.nav-link:not(.active){color:#3687f7;background:none;border-bottom:2px solid #e5e5e5;}.nav-link:hover{background-color:#f0f0f0;color:#333;}.nav-menu{display:flex;gap:15px;}.nav-menu.active{display:flex;}.hamburger{display:none;cursor:pointer;}.hamburger span{display:block;width:25px;height:3px;background:#333;margin:5px 0;}.logo{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:18px;line-height:1;color:#333;min-width:0;overflow:visible;}.logo img{width:60px;height:60px;object-fit:contain;border-radius:6px;}@media(max-width:768px){#header-container{padding:6px 10px;min-height:48px;}.logo{font-size:14px!important;}.logo img{width:28px!important;height:28px!important;}.nav-menu{gap:8px;}.nav-tabs{padding-left:6px;padding-right:6px;box-sizing:border-box;}.hamburger{display:block;}}@media(max-width:800px){#header-container{padding:6px 10px;min-height:48px;}.logo-container{display:inline-flex;flex-direction:row;align-items:center;gap:8px;min-width:0;}.logo,.logo img{width:28px!important;height:28px!important;object-fit:contain;}.logo-container .title,#header-container .title{display:inline-block!important;font-size:14px!important;font-weight:700;line-height:1;white-space:nowrap!important;overflow:hidden;text-overflow:ellipsis;max-width:calc(100vw - 120px);min-width:0;}.nav-menu{gap:8px;font-size:13px;}.hamburger{display:block;}}@media(max-width:768px){.nav-links{display:flex;align-items:center;gap:8px;}.nav-links .link{display:none!important;}.nav-links .search-link,.nav-links .about{display:inline-flex!important;align-items:center;justify-content:center;font-size:13px!important;padding:6px 10px!important;white-space:nowrap;border:1px solid rgba(0,0,0,0.12)!important;border-radius:8px!important;background-color:#ffffff!important;box-shadow:0 1px 2px rgba(0,0,0,0.04);color:#333!important;transition:background-color .12s ease,transform .08s ease;}.nav-links .search-link:hover,.nav-links .about:hover{background-color:#f5f7fb!important;transform:translateY(-1px);}}