/* 企业级教育平台视觉层 — 首页 */

/* ── Section typography ── */
.fe-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.fe-section-head--compact {
    margin-bottom: 12px;
}

.fe-section-eyebrow {
    margin: 0 0 4px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary-color, #0288d1);
    opacity: 0.85;
}

.fe-section-desc {
    margin: 6px 0 0;
    font-size: 0.875rem;
    color: var(--text-secondary, #64748b);
    max-width: 520px;
    line-height: 1.5;
}

/* ── Hero ── */
.fe-hero {
    margin-bottom: 28px;
    padding: 32px 28px 28px !important;
    border-radius: 16px !important;
    background:
        radial-gradient(ellipse 80% 60% at 100% 0%, color-mix(in srgb, var(--primary-color, #0288d1) 12%, transparent), transparent 70%),
        color-mix(in srgb, var(--card-bg, #fff) 96%, transparent) !important;
}

.fe-hero__grid {
    display: grid;
    grid-template-columns: 1fr minmax(220px, 320px);
    gap: 28px;
    align-items: center;
}

.fe-hero__chip {
    margin-bottom: 12px;
}

.fe-hero__title {
    margin: 0 0 10px;
    font-size: clamp(1.6rem, 3.5vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
    color: var(--text-primary, #0f172a);
}

.fe-hero__subtitle {
    margin: 0;
    max-width: 560px;
    font-size: clamp(0.92rem, 2vw, 1.05rem);
    line-height: 1.65;
    color: var(--text-secondary, #475569);
}

.fe-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.fe-hero-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 11px;
    text-decoration: none;
    letter-spacing: 0.01em;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.fe-hero-cta--primary {
    color: var(--fe-btn-solid-text, #fff);
    background: var(--gradient-primary, linear-gradient(135deg, #0288d1, #0277bd));
    box-shadow:
        0 4px 16px color-mix(in srgb, var(--primary-color, #0288d1) 35%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.fe-hero-cta--primary:hover,
.fe-hero-cta--primary:focus-visible {
    transform: translateY(-2px);
    box-shadow:
        0 10px 28px color-mix(in srgb, var(--primary-color, #0288d1) 42%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    color: var(--fe-btn-solid-text, #fff);
    text-decoration: none;
}

.fe-index-content a.fe-hero-cta--primary,
.fe-index-content a.fe-hero-cta--primary:hover,
.fe-index-content a.fe-hero-cta--primary:focus-visible,
.fe-index-content a.fe-hero-cta--primary:visited {
    color: var(--fe-btn-solid-text, #fff);
}

.fe-hero-cta--secondary {
    color: var(--primary-color, #0288d1);
    background: color-mix(in srgb, var(--primary-color, #0288d1) 10%, var(--card-bg, #fff));
    border: 1px solid color-mix(in srgb, var(--primary-color, #0288d1) 32%, transparent);
    box-shadow: 0 2px 8px color-mix(in srgb, var(--primary-color, #0288d1) 8%, transparent);
}

.fe-hero-cta--secondary:hover {
    background: color-mix(in srgb, var(--primary-color, #0288d1) 16%, var(--card-bg, #fff));
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 48%, transparent);
    transform: translateY(-1px);
    text-decoration: none;
    color: var(--primary-color, #0288d1);
}

.fe-hero-cta--ghost {
    color: var(--text-secondary, #64748b);
    background: transparent;
    border: 1px solid var(--border-color, #e2e8f0);
}

.fe-hero-cta--ghost:hover {
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 40%, transparent);
    color: var(--primary-color, #0288d1);
    text-decoration: none;
}

.fe-hero__metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.fe-metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 14px 16px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--card-bg, #fff) 80%, var(--primary-color, #0288d1) 4%);
    border: 1px solid color-mix(in srgb, var(--primary-color, #0288d1) 18%, var(--border-color, #e2e8f0));
    box-shadow: 0 2px 12px color-mix(in srgb, var(--primary-color, #0288d1) 6%, transparent);
}

.fe-metric__value {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--primary-color, #0288d1);
    line-height: 1.1;
}

.fe-metric__value--na {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0;
    color: var(--text-secondary, #64748b);
}

.fe-section-empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 28px 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary, #64748b);
    border: 1px dashed color-mix(in srgb, var(--primary-color, #0288d1) 22%, var(--border-color, #e2e8f0));
    border-radius: 12px;
    background: color-mix(in srgb, var(--primary-color, #0288d1) 4%, var(--card-bg, #fff));
}

.fe-metric__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-secondary, #64748b);
}

/* ── Curriculum tracks ── */
.fe-tracks {
    margin-bottom: 28px;
}

.fe-tracks__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 14px;
}

.fe-track-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 20px 20px 18px;
    border-radius: 14px;
    background: var(--card-bg, #fff);
    border: 1px solid color-mix(in srgb, var(--primary-color, #0288d1) 14%, var(--border-color, #e2e8f0));
    box-shadow: var(--shadow-md, 0 4px 12px rgba(15, 23, 42, 0.06));
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.fe-track-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px color-mix(in srgb, var(--primary-color, #0288d1) 12%, transparent);
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 35%, transparent);
}

.fe-track-card--featured {
    border: 2px solid var(--primary-color, #0288d1);
    background:
        linear-gradient(160deg, color-mix(in srgb, var(--primary-color, #0288d1) 6%, var(--card-bg, #fff)), var(--card-bg, #fff));
}

.fe-track-card__head {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.fe-track-card__index {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--primary-color, #0288d1);
    opacity: 0.7;
    padding-top: 4px;
}

.fe-track-card__head h3 {
    margin: 0 0 4px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
}

.fe-track-card__head p {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.45;
    color: var(--text-secondary, #64748b);
}

.fe-track-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.fe-track-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    border: 1px solid transparent;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.fe-track-link--doc {
    color: var(--fe-btn-solid-text, #fff);
    background: var(--gradient-primary, linear-gradient(135deg, #0288d1, #0277bd));
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 40%, transparent);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--primary-color, #0288d1) 28%, transparent);
}

.fe-track-link--doc:hover,
.fe-track-link--doc:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px color-mix(in srgb, var(--primary-color, #0288d1) 36%, transparent);
    color: var(--fe-btn-solid-text, #fff);
    text-decoration: none;
}

.fe-index-content a.fe-track-link--doc,
.fe-index-content a.fe-track-link--doc:hover,
.fe-index-content a.fe-track-link--doc:focus-visible,
.fe-index-content a.fe-track-link--doc:visited {
    color: var(--fe-btn-solid-text, #fff);
}

.fe-track-link--video {
    color: var(--text-primary, #334155);
    background: var(--card-bg, #fff);
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 22%, var(--border-color, #e2e8f0));
}

.fe-track-link--video:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 45%, transparent);
    background: color-mix(in srgb, var(--primary-color, #0288d1) 6%, var(--card-bg, #fff));
    color: var(--primary-color, #0288d1);
    text-decoration: none;
    box-shadow: 0 6px 18px color-mix(in srgb, var(--primary-color, #0288d1) 12%, transparent);
}

.fe-track-link:hover {
    text-decoration: none;
}

.fe-track-link__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: 11px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.2);
}

.fe-track-link--video .fe-track-link__icon {
    background: color-mix(in srgb, var(--primary-color, #0288d1) 12%, transparent);
    color: var(--primary-color, #0288d1);
}

/* ── Quick access columns ── */
.fe-quick-access {
    margin-bottom: 28px;
}

.fe-quick-access__columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
}

.fe-quick-access__col {
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e2e8f0);
    box-shadow: var(--shadow-sm, 0 2px 8px rgba(15, 23, 42, 0.05));
}

.fe-quick-access__col-title {
    margin: 0 0 10px;
    padding-bottom: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-color, #0288d1);
    border-bottom: 2px solid color-mix(in srgb, var(--primary-color, #0288d1) 20%, transparent);
}

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

.fe-quick-access__list li + li {
    margin-top: 4px;
}

.fe-quick-access__item {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #334155);
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.fe-quick-access__item:hover {
    background: color-mix(in srgb, var(--primary-color, #0288d1) 10%, transparent);
    border-color: color-mix(in srgb, var(--primary-color, #0288d1) 18%, transparent);
    color: var(--primary-color, #0288d1);
    text-decoration: none;
    transform: translateX(3px);
}

.fe-quick-access__item.is-highlight {
    font-weight: 700;
    color: var(--primary-color, #0288d1);
}

/* ── Learning journey ── */
.fe-journey {
    margin-bottom: 28px;
    padding: 22px 24px !important;
}

.fe-journey__steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: journey;
}

.fe-journey__steps li {
    position: relative;
    padding: 14px 14px 12px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--primary-color, #0288d1) 5%, var(--card-bg, #fff));
    border: 1px solid color-mix(in srgb, var(--primary-color, #0288d1) 12%, var(--border-color, #e2e8f0));
}

.fe-journey__steps li span {
    display: block;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--primary-color, #0288d1);
    opacity: 0.75;
    margin-bottom: 4px;
}

.fe-journey__steps li strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--text-primary, #0f172a);
}

.fe-journey__steps li p {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.4;
    color: var(--text-secondary, #64748b);
}
@media (max-width: 768px) {
    .fe-hero__grid {
        grid-template-columns: 1fr;
    }

    .fe-hero__metrics {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .fe-hero {
        padding: 22px 18px 20px !important;
    }

    .fe-hero__actions {
        flex-direction: column;
    }

    .fe-hero-cta {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fe-hero-cta,
    .fe-track-card,
    .fe-quick-access__item {
        transition: none;
    }

    .fe-hero-cta--primary:hover,
    .fe-track-card:hover {
        transform: none;
    }
}