/* 學習中心 1788（2026-10-19 Vivi 定案）：知識庫頁籤三本小書封＋三個同頁蓋台（知識庫＝/library/ 圖錄／技能包／互動課）。
   蓋台外觀＝Vivi 選定 A：模糊淡暖背景、桌機置中大卡（約 1100×88vh、圓角陰影）、手機底部抽屜（92% 高、拖曳把手、往下滑關）、
   卡片右上內側小圓鈕「關閉」。正本：模擬站 ai-library-sheet.html?v=A、sim/lc-sheet.css。 */
/* ── C：知識庫頁籤的三本等高小書封 ── */
#gav-paris .hp-read .tab{aspect-ratio:4/3}
#gav-paris .hp-shelf{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4%;background:#f3eee5;position:relative;padding:4% 4% 5%}
#gav-paris .hp-shelf::before{content:"";position:absolute;inset:10px;border:1px solid rgba(31,28,25,.18);pointer-events:none}
#gav-paris .hp-shelf *{text-align:center}
#gav-paris .hp-shelf .hp-t{font-family:"Noto Serif TC","Songti TC",serif;font-weight:700;font-size:clamp(18px,2.4vw,30px);letter-spacing:.14em;padding-left:.14em;color:#1f1c19;margin:0;line-height:1.2}
#gav-paris .hp-shelf .hp-t small{display:block;font-weight:400;font-size:.46em;letter-spacing:.5em;color:#6f665d;margin-top:.5em}
#gav-paris .hp-row{--h:clamp(96px,13vw,188px);display:flex;align-items:flex-end;justify-content:center;gap:clamp(12px,3.4vw,44px);border-top:1px solid rgba(31,28,25,.2);padding-top:5%;width:90%}
#gav-paris .hp-bk{display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;color:#6f665d;background:none;border:0;padding:0;cursor:pointer;font:inherit;transition:transform .35s ease}
#gav-paris .hp-bk:hover{transform:translateY(-4px)}
#gav-paris .hp-bk:focus-visible{outline:2px solid #a07f3c;outline-offset:4px}
#gav-paris .hp-cv{position:relative;display:block;height:var(--h);container-type:inline-size;line-height:0;filter:drop-shadow(0 10px 10px rgba(30,20,10,.22))}
#gav-paris .hp-cv.agent{width:calc(var(--h) * 928 / 1279)}
#gav-paris .hp-cv.codex{width:calc(var(--h) * 909 / 1231)}
#gav-paris .hp-cv.coach{width:calc(var(--h) * 526 / 633)}
#gav-paris .hp-cv img{width:100%;height:100%;object-fit:cover;display:block}
#gav-paris .hp-ct{position:absolute;left:56.6%;top:23.6%;width:56%;transform:translate(-50%,-50%) rotate(1.7deg);line-height:1.08;pointer-events:none}
#gav-paris .hp-ct span{display:block;color:transparent;-webkit-background-clip:text;background-clip:text;background-image:linear-gradient(100deg,#8f6c2c 0%,#d9b866 22%,#f3dc9a 38%,#b38b3e 55%,#e8ca7e 74%,#93712f 100%)}
#gav-paris .hp-cv.codex .hp-ct span{background-image:linear-gradient(100deg,#7d848c 0%,#c9cfd5 22%,#f4f6f8 38%,#9ea6ae 55%,#dfe4e8 74%,#80878f 100%)}
#gav-paris .hp-ct .t-s{font-family:"Noto Serif TC",serif;font-weight:600;font-size:4.1cqw;letter-spacing:.42em;padding-left:.42em;margin-bottom:2.4cqw}
#gav-paris .hp-ct .t-l{font-family:"Bodoni Moda","Didot",serif;font-weight:500;font-size:8.6cqw}
#gav-paris .hp-ct .t-c{font-family:"Noto Serif TC",serif;font-weight:700;font-size:7.8cqw;letter-spacing:.24em;padding-left:.24em;margin-top:1.6cqw}
#gav-paris .hp-cv.codex .hp-ct .t-l{font-size:12cqw;font-style:italic}
#gav-paris .hp-cv.codex .hp-ct .t-c{font-size:6.6cqw;letter-spacing:.36em;padding-left:.36em;margin-top:2.6cqw}
#gav-paris .hp-lab{font-family:"Bodoni Moda","Didot",serif;font-size:13px;line-height:1.3;color:#6f665d}
#gav-paris .hp-lab i{display:block;font-style:normal;font-family:"Noto Serif TC",serif;font-size:12px;color:#1f1c19}
#gav-paris .hp-go{border:0;cursor:pointer;font:inherit;font-weight:600}
#gav-paris .g6 .hp-price{font-family:var(--serif);font-size:20px;color:var(--ink)}
#gav-paris .hp-books{display:flex;flex-wrap:wrap;gap:6px 14px;margin:0 0 16px;padding:0;list-style:none;font-size:13.5px;color:#5f564b}
#gav-paris .hp-books li::before{content:"・";color:#a07f3c}
@media(max-width:700px){
  #gav-paris .hp-read .tab{aspect-ratio:4/3.3}
  #gav-paris .hp-row{--h:clamp(84px,28vw,140px);gap:10px}
  #gav-paris .hp-lab{font-size:12px}
  #gav-paris .hp-lab i{display:none}
  #gav-paris .hp-shelf .hp-t{font-size:17px}
}

/* ── 蓋台外框（A） ── */
.lc-ov{position:fixed;inset:0;z-index:2147482000;font-family:"Noto Sans TC","PingFang TC",sans-serif;color:#1f1c19}
.lc-ov[hidden]{display:none!important}
.lc-ov.sh{--sh-paper:#F3EEE5;--sh-ink:#1F1C19;--sh-grey:#6F665D;--sh-rule:rgba(31,28,25,.16);--sh-gilt:#A07F3C;--sh-head:56px;--sh-card-h:88svh;
  background:rgba(226,214,196,.34);-webkit-backdrop-filter:blur(12px) saturate(.92);backdrop-filter:blur(12px) saturate(.92);
  overflow:hidden;display:flex;align-items:center;justify-content:center;padding:0;animation:sh-fade .32s ease both}
@keyframes sh-fade{from{opacity:0}to{opacity:1}}
.lc-ov.sh .sh-card{position:relative;background:var(--sh-paper);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  width:min(1100px,calc(100vw - 64px));height:var(--sh-card-h);border-radius:18px;
  box-shadow:0 1px 2px rgba(60,42,22,.08),0 28px 70px -18px rgba(60,42,22,.38),0 0 0 1px rgba(31,28,25,.06);animation:sh-rise .42s cubic-bezier(.2,.8,.2,1)}
@keyframes sh-rise{from{opacity:.4;transform:translateY(28px) scale(.985)}to{opacity:1;transform:none}}
.lc-ov.sh .sh-card::-webkit-scrollbar{width:10px}
.lc-ov.sh .sh-card::-webkit-scrollbar-thumb{background:rgba(31,28,25,.18);border-radius:10px;border:3px solid var(--sh-paper)}
.lc-ov.sh .sh-head{position:sticky;top:0;z-index:60;background:rgba(243,238,229,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--sh-rule)}
.lc-ov.sh .sh-grab{display:none}
.lc-ov.sh .ov-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;height:var(--sh-head);padding:0 14px 0 28px}
.lc-ov.sh .ov-bar b{font-family:"Noto Serif TC","Songti TC",serif;font-weight:700;font-size:16px;letter-spacing:.16em;color:var(--sh-ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lc-ov.sh .ov-bar b small{font-weight:400;font-size:12px;letter-spacing:.14em;color:var(--sh-grey);margin-left:12px}
.lc-ov.sh .ov-x{display:inline-flex;align-items:center;gap:8px;height:40px;min-width:0;padding:0 4px 0 12px;border:0;border-radius:999px;background:none;color:var(--sh-grey);font:500 14px/1 "Noto Sans TC","PingFang TC",sans-serif;letter-spacing:.06em;cursor:pointer;transition:color .2s ease;flex:none}
.lc-ov.sh .ov-x .x-c{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1px solid rgba(31,28,25,.22);background:#FBF8F2;transition:border-color .2s ease,transform .25s ease}
.lc-ov.sh .ov-x svg{width:13px;height:13px;stroke:currentColor;stroke-width:1.3;fill:none;stroke-linecap:round}
.lc-ov.sh .ov-x:hover{color:var(--sh-ink);background:none}
.lc-ov.sh .ov-x:hover .x-c{border-color:rgba(31,28,25,.45);transform:rotate(90deg)}
.lc-ov.sh :focus-visible{outline:2px solid var(--sh-gilt);outline-offset:3px}
/* 知識庫＝/library/ 圖錄，配合卡片高度 */
.lc-ov.sh #gav-lib{--nav-h:var(--sh-head)}
.lc-ov.sh #gav-lib .plate{scroll-margin-top:calc(var(--sh-head) + 8px)}
.lc-ov.sh #gav-lib .title-page{min-height:calc(var(--sh-card-h) - var(--sh-head) - 2px)}
.lc-ov.sh #gav-lib .buybar{position:sticky;left:auto;right:auto}
/* 互動課：內容短，卡片跟著內容高 */
.lc-ov.sh.lc-ov-short .sh-card{height:auto;max-height:var(--sh-card-h);width:min(520px,calc(100vw - 64px))}
/* 技能包／互動課內容 */
.lc-ov .ov-in{max-width:1000px;margin:0 auto;padding:26px 28px 40px}
.lc-ov .ov-grid{display:grid;gap:22px}
.lc-ov .ov-two{grid-template-columns:repeat(2,1fr)}
.lc-ov .ov-k{background:#fbf8f2;border:1px solid rgba(31,28,25,.14);border-radius:6px;padding:24px 22px 22px;display:flex;gap:18px;align-items:flex-start}
.lc-ov .ov-tx{display:flex;flex-direction:column;align-items:flex-start;text-align:left;width:100%}
.lc-ov .ov-ki{font-size:40px;line-height:1;flex:none}
.lc-ov .ov-no{margin:0 0 6px;font-family:"Bodoni Moda","Noto Serif TC",serif;font-size:13px;color:#6f665d;letter-spacing:.04em}
.lc-ov .ov-k h3{margin:0 0 8px;font-family:"Noto Serif TC",serif;font-weight:700;font-size:20px;line-height:1.4}
.lc-ov .ov-s{margin:0 0 14px;font-family:"Noto Serif TC",serif;font-size:15px;line-height:1.75;color:#3b352f}
.lc-ov .ov-btns{display:flex;gap:10px;width:100%}
.lc-ov .ov-btns a,.lc-ov .ov-soon .ov-buy{flex:1;display:inline-flex;align-items:center;justify-content:center;min-height:46px;border-radius:2px;text-decoration:none;font-size:15px;font-weight:500;letter-spacing:.04em}
.lc-ov .ov-buy,.lc-ov .ov-buy:hover,.lc-ov .ov-buy:focus{background:#20231f;color:#fff!important;border:0}
.lc-ov .ov-note{text-align:center;margin-top:22px;font-family:"Noto Serif TC",serif;color:#3b352f;font-size:15px}
.lc-ov .ov-soon{text-align:center;padding:4px 4px 0;font-family:"Noto Serif TC",serif;color:#3b352f;line-height:1.8;font-size:16px}
.lc-ov .ov-soon p{margin:0 0 6px}
.lc-ov .ov-soon .ov-buy{margin-top:16px;width:100%;cursor:pointer;font-family:inherit}
#gav-paris .hp-go:focus-visible{outline:2px solid #a07f3c;outline-offset:3px}
html.lc-ov-locked,html.lc-ov-locked body{overflow:hidden}
/* 手機：底部抽屜 */
@media (max-width:699px){
  .lc-ov.sh{--sh-head:50px;align-items:flex-end;justify-content:center;--sh-card-h:92svh}
  .lc-ov.sh .ov-bar{padding:0 8px 0 18px}
  .lc-ov.sh .ov-bar b small{display:none}
  .lc-ov.sh .ov-x .x-t{display:none}
  .lc-ov.sh .ov-x{padding:0 2px}
  .lc-ov.sh .sh-card,.lc-ov.sh.lc-ov-short .sh-card{width:100%;max-width:none;border-radius:20px 20px 0 0;box-shadow:0 -18px 50px -16px rgba(60,42,22,.4),0 0 0 1px rgba(31,28,25,.06);animation:sh-up .42s cubic-bezier(.2,.8,.2,1)}
  .lc-ov.sh .sh-head{border-radius:20px 20px 0 0;touch-action:none}
  .lc-ov.sh .sh-grab{display:block;height:16px;position:relative}
  .lc-ov.sh .sh-grab::before{content:"";position:absolute;left:50%;top:8px;width:40px;height:5px;margin-left:-20px;border-radius:5px;background:rgba(31,28,25,.22)}
  .lc-ov.sh #gav-lib .title-page{min-height:calc(var(--sh-card-h) - var(--sh-head) - 18px)}
  .lc-ov.sh #gav-lib .plate{scroll-margin-top:calc(var(--sh-head) + 24px)}
  .lc-ov.sh .sh-card.sh-drag{animation:none;transition:none}
  .lc-ov.sh .sh-card.sh-snap{transition:transform .28s cubic-bezier(.2,.8,.2,1)}
  .lc-ov .ov-in{padding:16px 16px 32px}
  .lc-ov .ov-two{grid-template-columns:1fr}
  .lc-ov .ov-k{padding:16px}
}
@keyframes sh-up{from{transform:translateY(100%)}to{transform:none}}
@keyframes sh-out-down{to{transform:translateY(100%)}}
@keyframes sh-out-fade{to{opacity:0;transform:translateY(16px) scale(.985)}}
.lc-ov.sh.sh-closing{animation:sh-fade .22s ease reverse both}
.lc-ov.sh.sh-closing .sh-card{animation:sh-out-fade .22s ease both}
@media (max-width:699px){.lc-ov.sh.sh-closing .sh-card{animation:sh-out-down .24s ease both}}
@media (prefers-reduced-motion:reduce){.lc-ov.sh,.lc-ov.sh .sh-card,.lc-ov.sh.sh-closing,.lc-ov.sh.sh-closing .sh-card{animation:none!important}}