.site-header {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header.menu-open {
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.site-header-logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: #0066cc;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s ease;
}

.site-header a:hover .site-header-logo-mark {
    background: #005bb5;
}

.site-header-logo-text {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #1d1d1f;
    line-height: 1.2;
}

.site-header .nav-link {
    color: #6e6e73;
    font-size: 15px;
    font-weight: 500;
    border-radius: 980px;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
    overflow: visible;
}

.site-header .nav-link i {
    color: #9ca3af;
    transition: color 0.2s ease;
}

.site-header .nav-link:hover {
    color: #1d1d1f;
    background: #f5f5f7;
}

.site-header .nav-link:hover i {
    color: #0066cc;
}

.site-header .nav-link.active {
    color: #0066cc;
    font-weight: 600;
    background: #f0f7ff;
}

.site-header .nav-link.active::before {
    display: none;
}

.site-header .nav-link.active i {
    color: #0066cc;
}

.site-header .btn-login {
    height: 36px;
    padding: 0 16px;
    border-radius: 980px;
    background: linear-gradient(180deg, #fafafa 0%, #f0f1f3 100%);
    border: 1px solid #d2d2d7;
    color: #1d1d1f;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    position: relative;
    overflow: visible;
}

.site-header .btn-login::before {
    display: none;
}

.site-header .btn-login:hover {
    background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
    border-color: #0066cc;
    color: #0066cc;
    box-shadow: 0 4px 14px rgba(0, 102, 204, 0.18);
    transform: translateY(-1px);
}

.site-header .btn-login.is-current {
    border-color: #0066cc;
    background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
    color: #0066cc;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.12);
}

.site-header .btn-primary {
    height: 36px;
    padding: 0 18px;
    border-radius: 980px;
    background: linear-gradient(135deg, #0066cc 0%, #0088ee 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.35), 0 1px 2px rgba(0, 102, 204, 0.2);
    transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    position: relative;
    overflow: visible;
}

.site-header .btn-primary::before {
    display: none;
}

.site-header .btn-primary:hover {
    background: linear-gradient(135deg, #005bb5 0%, #0077dd 100%);
    box-shadow: 0 6px 22px rgba(0, 102, 204, 0.45);
    transform: translateY(-1px);
}

.site-header .btn-primary.is-current {
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.28), 0 4px 16px rgba(0, 102, 204, 0.4);
}

.site-header .btn-primary-arrow {
    flex-shrink: 0;
    opacity: 0.9;
    transition: transform 0.2s ease;
}

.site-header .btn-primary:hover .btn-primary-arrow {
    transform: translateX(-3px);
}

.site-header .btn-primary i,
.site-header .btn-login i {
    font-size: 13px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.site-header .btn-login:hover i {
    transform: scale(1.08);
    color: #0066cc;
}

#mobile-menu-btn {
    border-radius: 10px;
    transition: background 0.2s ease, color 0.2s ease;
}

#mobile-menu-btn:hover {
    background: #f5f5f7;
    color: #0066cc;
}

.site-header .mobile-menu > div {
    border-left: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.08);
}

.site-header .mobile-menu .border-b,
.site-header .mobile-menu .border-t {
    border-color: rgba(0, 0, 0, 0.06) !important;
}

.site-header .mobile-menu a.flex.items-center.p-4 {
    border-radius: 12px;
    font-size: 15px;
    color: #1d1d1f;
    transition: background 0.2s ease, color 0.2s ease;
}

.site-header .mobile-menu a.flex.items-center.p-4:hover {
    background: #f5f5f7;
    color: #0066cc;
}

.site-header .mobile-menu a.flex.items-center.p-4.text-primary {
    background: #f0f7ff;
    color: #0066cc;
}

.site-header .mobile-menu .p-6.border-t a.btn-login,
.site-header .mobile-menu .p-6.border-t a.btn-primary {
    width: 100%;
    height: 44px;
    border-radius: 980px !important;
    padding: 0 20px !important;
}

.site-header .mobile-menu .p-6.border-t .btn-primary {
    background: linear-gradient(135deg, #0066cc 0%, #0088ee 100%);
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.35);
}

.site-header .mobile-menu .p-6.border-t .btn-primary:hover {
    background: linear-gradient(135deg, #005bb5 0%, #0077dd 100%);
    box-shadow: 0 6px 22px rgba(0, 102, 204, 0.45);
    transform: translateY(-1px);
}