/* ===== Shared Top Banner (fixed) ===== */
.top-banner {
    background: #e51c23;
    color: #fff;
    text-align: center;
    padding: 35px 16px 2px;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-btn {
    position: absolute;
    left: 12px;
    color: #fff;
    text-decoration: none;
    font-size: 1.8rem;
    line-height: 1;
    padding: 0 8px;
    cursor: pointer;
    background: none;
    border: none;
}

.back-btn:hover {
    opacity: 0.8;
    color: #fff;
}