/* 前台 A+ 页面壳：统一 footer 与内容区留白 */
.fe-footer {
    margin-top: auto;
    padding: 14px 16px;
    text-align: center;
    font-size: 12px;
    line-height: 1.55;
    color: var(--text-inverse, #fff);
    background: var(--primary-color, #0288d1);
    border-top: 2px solid color-mix(in srgb, #fff 25%, transparent);
    box-shadow: 0 -4px 24px color-mix(in srgb, var(--primary-color, #0288d1) 30%, transparent);
}

.fe-footer--premium {
    padding: 28px 24px 20px;
    text-align: left;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--primary-color, #0288d1) 92%, #000), var(--primary-color, #0288d1));
}

.fe-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 24px;
    max-width: 1160px;
    margin: 0 auto 20px;
}

.fe-footer__brand {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    color: #fff;
}

.fe-footer__tagline {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
    max-width: 280px;
}

.fe-footer__col-title {
    margin: 0 0 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
}

.fe-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.fe-footer__links li + li {
    margin-top: 6px;
}

.fe-footer__links a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
}

.fe-footer__links a:hover {
    color: #fff;
    text-decoration: underline;
}

.fe-footer__bottom {
    max-width: 1160px;
    margin: 0 auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.72);
    text-align: center;
}

.fe-footer p {
    margin: 0;
}

@media (max-width: 768px) {
    .fe-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .fe-footer__grid {
        grid-template-columns: 1fr;
    }
}

.fe-page-wrap {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: calc(100vh - var(--fe-navbar-height, 56px));
}

.fe-content-wrap {
    flex: 1;
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 20px 20px 28px;
}

.fe-content-wrap--wide {
    max-width: none;
    padding: 0;
}