/* 課程總覽／單一課程頁（.crs）：沿用 about-page.css 的 .abt 視覺語言，只由這兩頁載入 */
.crs-course,
.crs-overview{--crs-line:#e7e2d5}

/* ---------- 頁首 ---------- */
.crs-head h2{font-size:clamp(2.5rem,4.2vw,3.5rem)}
.crs-head .abt-lead{max-width:46em}
.abt-meta a{color:var(--g-700);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* ---------- 主視覺 ---------- */
.crs-cover{position:relative;margin:0;overflow:hidden;background:#0d2a18;text-align:left}
.crs-cover img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.crs-cover::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:46%;
  background:linear-gradient(180deg,rgba(8,30,17,0) 0%,rgba(8,30,17,.76) 100%);
  pointer-events:none;
}
.crs-cover figcaption{
  position:absolute;left:0;right:0;bottom:0;z-index:1;
  display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;
  padding:1.6rem 2.6rem;color:#fff;font-size:1.5rem;line-height:1.6;
}
.crs-cover figcaption a{color:#fff;opacity:.78;font-size:1.3rem;white-space:nowrap;text-decoration:none}
.crs-cover figcaption a:hover{opacity:1;text-decoration:underline;text-underline-offset:3px}

/* ---------- 內文區段 ---------- */
.crs-sec-body{max-width:72em}
.crs-sec-body > p{font-size:1.65rem;line-height:1.95;color:#3f4c44;margin:0 0 1.2rem;text-align:justify}
.crs-sec-body > p:last-child{margin-bottom:0}
.crs-sec-body a{color:var(--g-700);font-weight:600;text-decoration:underline;text-underline-offset:2px;word-break:break-all}

.crs-list{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:.75rem}
.crs-list:first-child{margin-top:0}
.crs-list li{position:relative;padding-left:2.2rem;font-size:1.62rem;line-height:1.9;color:#3f4c44;text-align:justify}
.crs-list li::before{
  content:"";position:absolute;left:.3rem;top:.72em;width:.9rem;height:.9rem;
  border-radius:50%;background:var(--g-100);border:2px solid var(--g-500);
}
.crs-list .crs-li2{margin-left:1.8rem;font-size:1.55rem;color:#58645b}
.crs-list .crs-li2::before{width:.65rem;height:.65rem;top:.8em;background:transparent;border-color:#c3a64f}

/* 短標題＋說明（課程特色） */
.crs-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem;margin:1.4rem 0 0}
.crs-point{
  background:linear-gradient(135deg,#f7fbf7 0%,#fffdf6 100%);
  border:1px solid var(--abt-line);border-radius:14px;padding:1.8rem 2rem;
}
.crs-point h4{
  display:flex;align-items:flex-start;gap:.7rem;margin:0 0 .7rem;
  font-size:1.8rem;line-height:1.5;color:var(--g-700);
}
.crs-point h4::before{content:"";flex:0 0 auto;width:.8rem;height:.8rem;border-radius:50%;background:var(--gold);margin-top:.62em}
.crs-point p{font-size:1.5rem;line-height:1.9;color:#45524a;margin:0;text-align:justify}
.crs-point:only-child{grid-column:1/-1}

/* 小班課程的「標籤：內容」 */
.crs-def{display:grid;grid-template-columns:10em minmax(0,1fr);gap:1.2rem;padding:1.2rem .2rem;border-bottom:1px dashed var(--crs-line)}
.crs-def:first-of-type{margin-top:1rem;border-top:1px dashed var(--crs-line)}
.crs-def b{font-size:1.55rem;line-height:1.8;color:var(--g-700)}
.crs-def span{font-size:1.6rem;line-height:1.85;color:#3f4c44;text-align:justify}

/* 課程設置圖 */
.crs-curric{margin:1rem 0 0;padding:1rem;background:var(--abt-cream);border:1px solid var(--abt-line);border-radius:14px;text-align:left}
.crs-curric img{display:block;width:100%;height:auto;border-radius:8px;background:#fff}
.crs-curric figcaption{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  font-size:1.35rem;color:#5f6a60;padding:.9rem .4rem .1rem}
.crs-curric figcaption a{color:var(--g-700);font-weight:600;text-decoration:none}
.crs-curric figcaption a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 課程剪影 ---------- */
.crs-shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem;margin-top:.2rem}
.crs-shots--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.crs-shots--5 .crs-shot:first-child{grid-column:1/-1}
.crs-shots--5 .crs-shot:first-child img{aspect-ratio:21/9}
.crs-shot{margin:0;background:#fff;border:1px solid var(--abt-line);border-radius:14px;overflow:hidden;text-align:left}
.crs-shot img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .35s ease}
.crs-shot:hover img{transform:scale(1.035)}
.crs-shot figcaption{padding:.9rem 1.2rem 1rem;font-size:1.3rem;line-height:1.6;color:#5b675e;border-top:1px solid #f0ece0}
.crs-note{font-size:1.35rem!important;line-height:1.75!important;color:#75632f!important;
  background:#fffaf0;border-left:3px solid var(--gold);border-radius:6px;padding:.8rem 1.2rem;margin-top:-.4rem!important}

/* ---------- 上下課程 ---------- */
.crs-pager{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;padding:2.4rem 3.2rem;background:#fcfcf8;border-top:1px solid var(--line)}
.crs-pager-a{display:flex;flex-direction:column;gap:.35rem;justify-content:center;padding:1.2rem 1.6rem;
  background:#fff;border:1px solid var(--abt-line);border-radius:12px;text-decoration:none}
.crs-pager-a span{font-size:1.2rem;letter-spacing:.14em;color:#8a948c}
.crs-pager-a b{font-size:1.55rem;line-height:1.5;color:var(--g-700)}
.crs-pager-next{text-align:right;align-items:flex-end}
.crs-pager-a:hover{border-color:var(--g-500);box-shadow:0 6px 18px rgba(20,60,35,.08)}
.crs-pager-a.is-empty{border:0;background:transparent;box-shadow:none}

/* ---------- 課程總覽：階段與卡片 ---------- */
.crs-stage .abt-sec-head h3{display:flex;align-items:baseline;gap:1rem;flex-wrap:wrap}
.crs-count{font-size:1.3rem;font-weight:600;color:#7d6827;background:#fffaf0;
  border:1px solid #eadfbe;border-radius:999px;padding:.3rem 1rem;letter-spacing:.02em}
.crs-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.4rem}
.crs-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--abt-line);border-radius:16px;
  overflow:hidden;text-decoration:none;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.crs-card:hover{transform:translateY(-3px);border-color:#d5c9a2;box-shadow:0 12px 26px rgba(24,62,38,.12)}
.crs-card-media{display:block;overflow:hidden;background:#eef1ec}
.crs-card-media img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .4s ease}
.crs-card:hover .crs-card-media img{transform:scale(1.04)}
.crs-card-body{display:flex;flex-direction:column;gap:.55rem;flex:1 1 auto;padding:1.5rem 1.7rem 1.7rem}
.crs-card-num{font-size:1.15rem;font-weight:700;letter-spacing:.2em;color:#b08a2c}
.crs-card-name{font-size:1.85rem;line-height:1.45;font-weight:700;color:var(--g-900)}
.crs-card-blurb{font-size:1.4rem;line-height:1.75;color:#66716a;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.crs-card-more{margin-top:auto;padding-top:.9rem;border-top:1px dashed var(--abt-line);
  font-size:1.35rem;font-weight:600;color:var(--g-700);letter-spacing:.04em}

/* ---------- 課程總覽：申請連結 ---------- */
.crs-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.crs-links a{display:flex;flex-direction:column;gap:.35rem;padding:1.5rem 1.7rem;
  background:var(--abt-cream);border:1px solid var(--abt-line);border-radius:12px;text-decoration:none;
  transition:background .2s ease,border-color .2s ease}
.crs-links b{font-size:1.6rem;color:var(--g-700)}
.crs-links span{font-size:1.35rem;line-height:1.65;color:#6b756d}
.crs-links a:hover{background:#fff;border-color:#d8c9a0}

/* ---------- 響應式 ---------- */
@media(max-width:1099px){
  .crs-shots--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:991px){
  .crs-pager{padding:2rem}
  .crs-cover figcaption{padding:1.4rem 2rem}
}
@media(max-width:767px){
  .crs-points{grid-template-columns:1fr}
  .crs-cards{grid-template-columns:1fr}
  .crs-links{grid-template-columns:1fr}
  .crs-cover img{aspect-ratio:4/3}
  .crs-pager{grid-template-columns:1fr;padding:1.6rem}
  .crs-pager-a.is-empty{display:none}
  .crs-def{grid-template-columns:1fr;gap:.2rem}
  .crs-def:first-of-type{margin-top:.6rem}
}
@media(max-width:479px){
  .crs-cover figcaption{padding:1.2rem 1.4rem;font-size:1.35rem}
  .crs-cover figcaption a{font-size:1.15rem}
  .crs-shots{grid-template-columns:1fr}
  .crs-shot img{aspect-ratio:16/10}
  .crs-card-name{font-size:1.75rem}
}

/* ---------- 側欄：可收合學制 ---------- */
.crs-sidebar .crs-side-tools{display:flex;align-items:center;justify-content:space-between;gap:.8rem;
  padding:.8rem 1.4rem .8rem 1.8rem;border-bottom:1px solid #eef2ee;background:#fbfdfb;
  font-size:1.25rem;color:#6b7a70;letter-spacing:.02em}
.crs-sidebar .crs-side-expand{appearance:none;border:1px solid #cfdcd3;background:#fff;color:var(--g-700);
  border-radius:999px;padding:.35rem 1rem;font-size:1.2rem;font-weight:600;line-height:1.5;cursor:pointer;
  white-space:nowrap;transition:background .2s ease,border-color .2s ease}
.crs-sidebar .crs-side-expand:hover{background:var(--g-050);border-color:var(--g-300)}
.crs-sidebar .crs-side-expand:focus-visible{outline:2px solid var(--g-500);outline-offset:2px}
.crs-sidebar li.grp{background:transparent;padding:0;border:0;letter-spacing:0;font-size:inherit;font-weight:inherit}
.crs-sidebar .crs-grp-toggle{display:flex;align-items:center;gap:.7rem;width:100%;min-height:4.4rem;
  padding:.9rem 1.4rem .9rem 1.8rem;border:0;border-bottom:1px solid #e5eee8;background:var(--g-050);
  color:var(--g-900);font:inherit;font-size:1.4rem;font-weight:700;letter-spacing:.06em;text-align:left;
  cursor:pointer;transition:background .2s ease,color .2s ease}
.crs-sidebar .crs-grp-toggle:hover{background:var(--g-100);color:var(--g-900)}
.crs-sidebar .crs-grp-toggle:focus-visible{outline:2px solid var(--g-500);outline-offset:-3px}
.crs-sidebar .crs-grp-count{margin-left:auto;padding:.1rem .55rem;border:1px solid #dbe7df;border-radius:999px;
  background:#fff;color:var(--g-700);font-size:1.1rem;font-weight:600;letter-spacing:0;white-space:nowrap}
.crs-sidebar .crs-grp-chev{flex:none;width:.65rem;height:.65rem;margin-right:.15rem;
  border-right:2px solid var(--g-700);border-bottom:2px solid var(--g-700);
  transform:rotate(-45deg);transition:transform .25s ease}
.crs-sidebar .crs-grp-toggle[aria-expanded="true"] .crs-grp-chev{transform:rotate(45deg)}
.crs-sidebar li.grp.is-active > .crs-grp-toggle{background:var(--g-100);box-shadow:inset 4px 0 0 var(--g-500)}
.crs-sidebar .crs-sub{margin:0;padding:0;list-style:none}
.crs-sidebar .crs-sub[hidden]{display:none}
.crs-sidebar .crs-sub li a{position:relative;padding-left:2.8rem}
.crs-sidebar .crs-sub li a::before{content:"";position:absolute;left:1.9rem;top:50%;width:.45rem;height:.45rem;
  margin-top:-.225rem;border-radius:50%;background:#b9c9bf;transition:background .2s ease}
.crs-sidebar .crs-sub li a:hover::before{background:var(--g-500)}
.crs-sidebar .crs-sub li.cur>a::before{background:var(--g-500)}
@media(max-width:767px){
  .crs-sidebar .crs-side-tools{padding-left:1.6rem;padding-right:1.4rem}
  .crs-sidebar .crs-grp-toggle{padding-left:1.6rem;padding-right:1.4rem}
  .crs-sidebar .crs-sub li a{padding-left:2.6rem}
  .crs-sidebar .crs-sub li a::before{left:1.7rem}
}

/* ---------- 課程影像 ---------- */
.crs-video{display:grid;grid-template-columns:minmax(0,1fr);gap:1.2rem;align-items:start}
.crs-video--multi{grid-template-columns:minmax(0,1.7fr) minmax(23rem,.8fr);align-items:stretch}
.crs-video--multi .crs-video-playlist{contain:size;height:100%;min-height:0}
.crs-video--multi .crs-video-list{min-height:0}
.crs-video-stage{display:flex;flex-direction:column;min-width:0;background:#0d2a18;
  border:1px solid #123a23;border-radius:16px;overflow:hidden}
.crs-video-stage video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#000;object-fit:contain}
.crs-video-caption{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:1.1rem 1.6rem 1.2rem;background:#0d2a18;color:#fff}
.crs-video-now{font-size:1.5rem;font-weight:600;line-height:1.5;color:#fff}
.crs-video-facts{display:flex;align-items:center;gap:.8rem;font-size:1.2rem;color:#cfe3d5;letter-spacing:.04em}
.crs-video-facts span{padding:.15rem .6rem;border:1px solid rgba(255,255,255,.22);border-radius:999px;white-space:nowrap}
.crs-video-facts span:empty{display:none}
.crs-video-playlist{display:flex;flex-direction:column;min-width:0;padding:1.1rem;
  background:var(--abt-cream);border:1px solid var(--abt-line);border-radius:16px}
.crs-video-playlist-head{display:flex;justify-content:space-between;align-items:center;
  padding:.2rem .3rem .9rem;font-size:1.2rem;font-weight:700;letter-spacing:.12em;color:#7d6827}
.crs-video-playlist-head span{font-weight:600;letter-spacing:0;color:#8a948c}
.crs-video-list{list-style:none;margin:0;padding:0;display:grid;gap:.65rem;overflow:auto;
  scrollbar-width:thin;scrollbar-color:#a9bdaf transparent}
.crs-video-list::-webkit-scrollbar{width:6px}
.crs-video-list::-webkit-scrollbar-track{background:transparent}
.crs-video-list::-webkit-scrollbar-thumb{background:#b9c9be;border-radius:99px}
.crs-video-list::-webkit-scrollbar-thumb:hover{background:var(--g-500)}
.crs-video-item{display:flex;align-items:center;gap:.9rem;padding:.6rem;background:#fff;
  border:1px solid #e9e4d6;border-radius:11px;text-decoration:none;
  transition:border-color .2s ease,box-shadow .2s ease}
.crs-video-item:hover{border-color:#d5c9a2;box-shadow:0 6px 16px rgba(24,62,38,.08)}
.crs-video-item:focus-visible{outline:2px solid var(--g-500);outline-offset:2px}
.crs-video-item.is-active{border-color:var(--g-500);box-shadow:inset 3px 0 0 var(--g-500)}
.crs-video-thumb{flex:0 0 9.6rem;width:9.6rem;aspect-ratio:16/9;overflow:hidden;border-radius:7px;background:#dfe6e0}
.crs-video-thumb img{display:block;width:100%;height:100%;object-fit:cover;border-radius:0}
.crs-video-item-body{display:flex;flex-direction:column;gap:.2rem;min-width:0}
.crs-video-item-body b{font-size:1.35rem;line-height:1.5;color:var(--g-900);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crs-video-item-body span{font-size:1.15rem;color:#7c877e;letter-spacing:.04em}
@media(max-width:991px){
  .crs-video--multi{grid-template-columns:1fr;align-items:start}
  .crs-video--multi .crs-video-playlist{contain:none;height:auto}
}
@media(max-width:479px){
  .crs-video-caption{padding:1rem 1.2rem}
  .crs-video-now{font-size:1.4rem}
  .crs-video-thumb{flex-basis:8rem;width:8rem}
}