/**
 * 全局顶栏：浅色 + 左品牌 / 中动态文案 / 右操作与外链（由 js/site-nav.js 注入 #site-app-nav）
 */
#site-app-nav.site-app-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10050;
    min-height: 52px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    background: #fff;
    color: #262626;
    border-bottom: 1px solid #e8e8e8;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
}

#site-app-nav .site-app-nav__inner {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 6px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: nowrap;
}

#site-app-nav .site-app-nav__brand {
    flex-shrink: 0;
    font-weight: 600;
    color: #262626;
    text-decoration: none;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

#site-app-nav .site-app-nav__brand:hover {
    color: #ff5000;
}

#site-app-nav .site-app-nav__logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
    border-radius: 4px;
    background: #f5f5f5;
}

#site-app-nav .site-app-nav__brand:hover .site-app-nav__logo {
    opacity: 0.95;
}

#site-app-nav .site-app-nav__icon-wrap {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
}

#site-app-nav .site-app-nav__btn-label {
    line-height: 1.2;
}

#site-app-nav .site-app-nav__svg {
    flex-shrink: 0;
    display: block;
}

#site-app-nav .site-app-nav__btn--with-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

#site-app-nav .site-app-nav__btn--icon-only {
    padding: 7px 9px;
    min-width: 36px;
    justify-content: center;
}

#site-app-nav .site-app-nav__btn--icon-only .site-app-nav__icon-wrap {
    gap: 0;
}

/* 中间：用户统计 + 当前页标题（newBox 由 Vue 写入） */
#site-app-nav .site-app-nav__center {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 0 8px;
}

#site-app-nav #site-app-nav-meta {
    font-size: 12px;
    color: #8c8c8c;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#site-app-nav #site-app-nav-title {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a1a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#site-app-nav .site-app-nav__end {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
    max-width: min(520px, 48vw);
}

#site-app-nav .site-app-nav__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

#site-app-nav .site-app-nav__actions .site-app-nav__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 6px;
    border: 1px solid #d9d9d9;
    background: #fff;
    color: #434343;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
    line-height: 1.3;
}

#site-app-nav .site-app-nav__actions .site-app-nav__btn:hover {
    color: #ff5000;
    border-color: #ffb088;
}

#site-app-nav .site-app-nav__actions .site-app-nav__btn--primary {
    background: linear-gradient(90deg, #ff6000 0%, #ff5000 100%);
    border-color: #ff5000;
    color: #fff;
}

#site-app-nav .site-app-nav__actions .site-app-nav__btn--primary:hover {
    color: #fff;
    filter: brightness(1.05);
}

#site-app-nav .site-app-nav__links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px 12px;
}

#site-app-nav .site-app-nav__links a {
    color: #1890ff;
    text-decoration: none;
    white-space: nowrap;
    font-size: 13px;
}

#site-app-nav .site-app-nav__links a:hover {
    color: #40a9ff;
    text-decoration: underline;
}

html.site-app-nav--padded body {
    padding-top: 52px;
}