/* 学习中心首页：在鲁汶中文学校的版式上加的少量样式 */
.xh-hub,.xh-hub *,.xh-hub *::before,.xh-hub *::after{box-sizing:border-box}
.xh-banner{background-image:url('/tigao/assets/home/banner-learning-2026-v3.jpg')}
.xh-hub section{margin-bottom:38px}
.xh-hub h2{font-family:var(--ls-serif)}
.xh-section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.xh-section-note{margin:-6px 0 16px;color:var(--ls-muted)}
.xh-link{color:var(--ls-blue);font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap}
.xh-link:hover{text-decoration:underline}
.xh-course{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);border:1px solid var(--ls-line);border-radius:5px;background:#fff;overflow:hidden}
.xh-course-art{display:block;aspect-ratio:16/9;background:#0f2a26}
.xh-course-art img{width:100%;height:100%;object-fit:cover;display:block}
.xh-course-body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.xh-course-body h3{margin:0;font:600 1.3rem/1.4 var(--ls-serif);color:var(--ls-navy)}
.xh-course-body p{margin:0;color:var(--ls-muted);line-height:1.8}
.xh-course-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.xh-course-actions .lr-practice{padding:8px 22px}
.xh-books{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:760px){.xh-course{grid-template-columns:1fr}.xh-books{grid-template-columns:1fr}}
/* 基础巩固三张卡片排成一行 */
.xh-hub .lr-foundations{grid-template-columns:repeat(3,minmax(0,1fr))}
.xh-hub .lr-demo{height:auto;aspect-ratio:3/2}
@media(max-width:560px){.xh-hub .lr-foundations{grid-template-columns:1fr}}
/* 我们的理念 */
.xh-ideas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.xh-ideas article{background:#fff;border-radius:22px;padding:20px 20px 18px;box-shadow:0 6px 18px rgba(83,128,71,.12)}
.xh-idea-icon{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#fdeceb;font-size:26px}
.xh-ideas h3{margin:12px 0 6px;font:700 1.35rem "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:#2f4a28}
.xh-ideas p{margin:0;color:var(--ls-muted);line-height:1.8;font-size:15px}
@media(max-width:760px){.xh-ideas{grid-template-columns:1fr}}
.xh-books-note{margin:18px 0 10px}
.xh-ideas-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 0 30px!important}
.xh-ideas-strip span{padding:8px 16px;border-radius:999px;background:#fff;box-shadow:0 4px 12px rgba(83,128,71,.1);font:700 1.05rem "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:#2f4a28}
.xh-rules-link{padding:8px 16px;border-radius:999px;background:#e8737a;color:#fff!important;text-decoration:none;font:700 1.05rem "Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;box-shadow:0 4px 12px rgba(232,115,122,.3)}