.zjl-v2 .zjl-site-header {
    position: sticky;
    top: 0;
    z-index: 200;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--zjl-border-warm);
    backdrop-filter: blur(14px);
}

.zjl-v2 .zjl-site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--zjl-space-5);
    max-width: var(--zjl-container-portal);
    min-height: 64px;
    margin: 0 auto;
    padding: var(--zjl-space-3) var(--zjl-space-6);
}

.zjl-v2 .zjl-site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--zjl-space-2);
    min-width: 0;
    color: var(--zjl-ink-primary);
    text-decoration: none;
    touch-action: manipulation;
}

.zjl-v2 .zjl-site-header__brand:hover {
    color: var(--zjl-ink-primary);
}

.zjl-v2 .zjl-site-header__brand img {
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    object-fit: contain;
}

.zjl-v2 .zjl-site-header__brand-name {
    color: var(--zjl-ink-primary);
    font-family: var(--zjl-font-serif);
    font-size: 0.875rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    line-height: 1.1;
}

.zjl-v2 .zjl-site-header__brand-name small {
    display: block;
    margin-top: 2px;
    color: var(--zjl-ink-muted);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.18em;
}

.zjl-v2 .zjl-site-nav {
    display: none;
    flex: 1;
    align-items: center;
    justify-content: center;
    gap: var(--zjl-space-5);
    margin: 0;
    padding: 0;
    list-style: none;
}

@media (min-width: 1024px) {
    .zjl-v2 .zjl-site-nav {
        display: flex;
    }
}

.zjl-v2 .zjl-site-nav a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: var(--zjl-space-2) 0;
    border-bottom: 2px solid transparent;
    color: var(--zjl-ink-muted);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    line-height: 1.2;
    text-decoration: none;
    touch-action: manipulation;
    transition: border-color var(--zjl-dur-fast) var(--zjl-ease),
                color var(--zjl-dur-fast) var(--zjl-ease);
}

.zjl-v2 .zjl-site-nav a:hover {
    color: var(--zjl-ink-primary);
}

.zjl-v2 .zjl-site-nav .current-menu-item > a,
.zjl-v2 .zjl-site-nav .current_page_item > a,
.zjl-v2 .zjl-site-nav a.is-active {
    border-color: var(--zjl-accent);
    color: var(--zjl-ink-primary);
}

.zjl-v2 .zjl-site-header__right {
    display: flex;
    align-items: center;
    gap: var(--zjl-space-3);
}

.zjl-v2 .zjl-site-header__lang {
    color: var(--zjl-ink-muted);
    font-family: var(--zjl-font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

.zjl-v2 .zjl-site-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--zjl-border-warm);
    border-radius: var(--zjl-radius-sm);
    background: var(--zjl-surface-card);
    color: var(--zjl-ink-primary);
    cursor: pointer;
    touch-action: manipulation;
    transition: border-color var(--zjl-dur-fast) var(--zjl-ease),
                color var(--zjl-dur-fast) var(--zjl-ease);
}

.zjl-v2 .zjl-site-header__toggle:hover {
    border-color: var(--zjl-ink-primary);
    color: var(--zjl-accent);
}

@media (min-width: 1024px) {
    .zjl-v2 .zjl-site-header__toggle {
        display: none;
    }
}

.zjl-v2 .zjl-site-mobile-nav {
    display: none;
    padding: var(--zjl-space-3) var(--zjl-space-6);
    border-top: 1px solid var(--zjl-border-warm);
    background: var(--zjl-surface-card);
}

.zjl-v2 .zjl-site-mobile-nav.is-open {
    display: block;
}

.zjl-v2 .zjl-site-mobile-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.zjl-v2 .zjl-site-mobile-nav li {
    border-bottom: 1px solid var(--zjl-border-warm);
}

.zjl-v2 .zjl-site-mobile-nav li:last-child {
    border-bottom: 0;
}

.zjl-v2 .zjl-site-mobile-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: var(--zjl-space-2) 0;
    color: var(--zjl-ink-primary);
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    touch-action: manipulation;
}

.zjl-v2 .zjl-site-mobile-nav a:hover {
    color: var(--zjl-accent);
}