/* 学段目录：三张独立卡片，与统一白色页头对齐。 */
.education-directory { max-width: 1120px; }
.education-directory .edu-grid { gap: 20px; align-items: stretch; }
.education-directory .edu-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 20px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: border-color .2s;
}
.education-directory .edu-card:hover {
    border-color: var(--color-accent);
    box-shadow: none;
}
.education-directory .edu-card:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}
.education-directory .edu-cover {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 20px;
}
.education-directory .edu-name {
    font-size: 23px;
    line-height: 1.6;
    margin: 0 0 14px;
}
.education-directory .edu-desc {
    line-height: 1.9;
    margin: 0 0 24px;
}
.education-directory .edu-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}
.education-directory .edu-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    font-size: 14px;
    white-space: nowrap;
}
.education-directory .edu-action img { transform: rotate(-90deg); }
.education-directory .edu-card:hover .edu-action {
    text-decoration: underline;
    text-underline-offset: 4px;
}
.education-directory .edu-section { margin-bottom: 28px; }
.education-directory .edu-note {
    border-top: 1px solid var(--color-border);
    padding-top: 18px;
    margin-bottom: 16px;
}
.edu-empty { text-align: center; padding: 48px 0; color: var(--color-text-light); }

@media (min-width: 769px) and (max-width: 959px) {
    .education-directory .edu-grid { gap: 16px; }
    .education-directory .edu-card { padding: 16px; }
    .education-directory .edu-cover { margin-bottom: 16px; }
    .education-directory .edu-name { font-size: 18px; }
    .education-directory .edu-footer { gap: 8px; }
    .education-directory .edu-action { gap: 4px; font-size: 13px; }
}
@media (max-width: 768px) {
    .education-directory .edu-grid { gap: 16px; }
    .education-directory .edu-card { padding: 20px; }
    .education-directory .edu-cover { max-height: 200px; margin-bottom: 16px; }
    .education-directory .edu-name { font-size: 22px; margin-bottom: 10px; }
    .education-directory .edu-desc { margin-bottom: 18px; }
    .education-directory .edu-footer { padding-top: 8px; }
    .education-directory .edu-action { min-height: 44px; }
    .education-directory .edu-note { padding-top: 16px; margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) {
    .education-directory .edu-card { transition: none; }
}