/* ==========================================================
   拿云智学教育科技有限公司 · 全站品牌标识
   1) 各子系统左上角企业 logo
   2) 各页面底部企业页脚
   ========================================================== */

/* ---------- 子系统左上角企业 logo（浮于页头之上） ---------- */
.brand-corner {
    position: absolute;
    top: 14px;
    left: 20px;
    z-index: 30;
    display: inline-flex;
    align-items: center;
    line-height: 0;
    text-decoration: none;
    opacity: 0.95;
    transition: opacity 0.2s ease;
}
.brand-corner:hover { opacity: 1; }
.brand-corner img {
    display: block;
    height: 38px;
    width: auto;
}

/* 嵌入顶部导航条（flex 行）时的行内形态 */
.brand-corner.brand-inline {
    position: static;
    top: auto;
    left: auto;
    flex-shrink: 0;
}
.brand-corner.brand-inline img { height: 34px; }

/* 独立品牌行（置于顶部栏上方，不改变原有布局） */
.brand-row {
    display: flex;
    justify-content: flex-start;
    margin: 0 0 10px;
}
.brand-row img {
    display: block;
    height: 34px;
    width: auto;
}

/* ---------- 企业页脚 ---------- */
.brand-footer {
    margin-top: 52px;
    padding: 26px 20px 30px;
    text-align: center;
    border-top: 1px solid rgba(139, 105, 20, 0.18);
    background: linear-gradient(180deg, rgba(250, 246, 239, 0), rgba(243, 234, 219, 0.75));
    font-family: 'Noto Serif SC', 'STSong', 'SimSun', serif;
}
.brand-footer-inner {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
}
.brand-footer-logo {
    display: block;
    height: 36px;
    width: auto;
    opacity: 0.9;
}
.brand-footer-company {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #5b4c37;
}
.brand-footer-slogan {
    font-size: 13px;
    letter-spacing: 4px;
    color: rgba(107, 90, 66, 0.72);
}

@media (max-width: 720px) {
    .brand-corner { top: 10px; left: 12px; }
    .brand-corner img { height: 30px; }
    .brand-corner.brand-inline img { height: 28px; }
    .brand-row img { height: 28px; }
    .brand-footer { margin-top: 34px; padding: 20px 14px 24px; }
    .brand-footer-logo { height: 30px; }
    .brand-footer-company { font-size: 13px; }
    .brand-footer-slogan { font-size: 12px; letter-spacing: 2px; }
}