/* 阅境探知 · 课程详情页样式（course.css） */
.course-hero-img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin: 28px 0 8px;
    box-shadow: var(--shadow-sm);
    display: block;
}
.back-link {
    display: inline-block;
    margin: 8px 0 4px;
    color: var(--brand-primary);
    font-size: 0.9rem;
    text-decoration: none;
    font-weight: 600;
}
.back-link:hover { text-decoration: underline; }

.course-meta {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin: 24px 0 12px;
}
.course-meta-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 18px 14px;
    text-align: center;
}
.cm-label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 6px; }
.cm-value { display: block; font-size: 1.02rem; font-weight: 700; color: var(--brand-dark); line-height: 1.4; }
.cm-old { display: block; font-size: 0.82rem; font-weight: 400; color: #aaa; text-decoration: line-through; margin-top: 2px; }
.course-date-note {
    text-align: center;
    font-size: 0.92rem;
    color: var(--brand-primary);
    background: var(--brand-light);
    border-radius: 20px;
    padding: 8px 16px;
    display: inline-block;
    margin: 0 0 8px;
}

.course-desc { max-width: 740px; margin: 0 auto; font-size: 1.04rem; line-height: 1.9; }
.course-desc p { margin-bottom: 14px; }

.schedule-list { max-width: 780px; margin: 0 auto; }
.schedule-item {
    display: flex;
    gap: 22px;
    padding: 18px 4px;
    border-bottom: 1px dashed var(--border-light);
}
.schedule-item:last-child { border-bottom: none; }
.schedule-time {
    flex: 0 0 60px;
    font-weight: 700;
    color: var(--brand-primary);
    font-size: 1.05rem;
    padding-top: 2px;
}
.schedule-body { flex: 1; }
.schedule-body h4 { font-size: 1.06rem; margin-bottom: 6px; color: var(--brand-dark); }
.schedule-body p { font-size: 0.94rem; line-height: 1.75; color: #4a4a4a; }

.teacher-wrap { max-width: 560px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.teacher-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 18px 20px;
}
.teacher-card img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: 0 0 64px; }
.teacher-card .t-name { font-weight: 700; color: var(--brand-dark); font-size: 1.02rem; }
.teacher-card .t-title { font-size: 0.84rem; color: var(--text-muted); margin: 2px 0 4px; }
.teacher-card .t-intro { font-size: 0.88rem; color: #555; line-height: 1.6; }

.cta-banner {
    background: linear-gradient(135deg, var(--brand-primary), #356b39);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    margin: 52px 0 20px;
}
.cta-banner h3 { font-size: 1.4rem; margin-bottom: 10px; }
.cta-banner p { max-width: 580px; margin: 0 auto 22px; opacity: 0.92; line-height: 1.8; font-size: 0.98rem; }
.cta-btn {
    display: inline-block;
    background: #fff;
    color: var(--brand-primary);
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 30px;
    text-decoration: none;
    transition: transform .2s, opacity .2s;
}
.cta-btn:hover { transform: translateY(-2px); opacity: 0.95; }

@media (max-width: 600px) {
    .course-hero-img { height: 200px; }
    .course-meta { grid-template-columns: 1fr 1fr; gap: 12px; }
    .course-meta-item { padding: 14px 10px; }
    .cm-value { font-size: 0.95rem; }
    .schedule-item { gap: 14px; }
    .schedule-time { flex-basis: 52px; font-size: 0.96rem; }
}

/* 研学产品页 · 园林系列入口 */
.course-series { margin-top: 36px; background: var(--brand-light); border-radius: var(--radius-md); padding: 24px 22px; }
.series-title { font-size: 1.1rem; margin-bottom: 16px; color: var(--brand-dark); }
.series-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.series-card {
    display: flex; align-items: center; gap: 8px;
    background: #fff; border: 1px solid var(--border-light);
    border-radius: 10px; padding: 14px 16px;
    text-decoration: none; color: var(--brand-dark);
    font-weight: 600; transition: all .25s;
}
.series-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--brand-primary); }