/* 夏令營 STEAM 體驗課 — 共用 Candy 設計系統（主題分頁用） */
:root{
  --candy-pink:#FF6B9D; --candy-orange:#FF9F43; --candy-yellow:#FECA57;
  --candy-green:#5CD85A; --candy-cyan:#48DBFB; --candy-blue:#54A0FF; --candy-purple:#A55EEA;
  --bg-primary:#FFF9F0; --card-bg:rgba(255,255,255,.96); --card-border:rgba(255,200,150,.45);
  --text:#2D3436; --muted:#636E72; --fun:#6C5CE7;
  --shadow-soft:0 10px 40px rgba(255,107,157,.15);
  --shadow-card:0 8px 30px rgba(0,0,0,.08);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{
  font-family:'Nunito','Microsoft JhengHei','PingFang TC',-apple-system,system-ui,sans-serif;
  color:var(--text);line-height:1.7;font-size:18px;overflow-x:hidden;background:var(--bg-primary);
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(circle at 10% 18%, rgba(255,107,157,.08) 0%, transparent 42%),
    radial-gradient(circle at 90% 82%, rgba(72,219,251,.08) 0%, transparent 42%),
    radial-gradient(circle at 50% 50%, rgba(254,202,87,.05) 0%, transparent 60%),
    linear-gradient(180deg,#FFF9F0 0%,#FFF5E6 50%,#FFEFDB 100%);
}

/* 固定頂欄 */
header.bar{position:fixed;top:0;left:0;right:0;z-index:1200;height:68px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(16px);
  border-bottom:3px solid var(--candy-pink);display:flex;align-items:center;}
.bar .in{max-width:1060px;margin:0 auto;width:100%;display:flex;align-items:center;gap:12px;padding:0 18px;}
.bar a.home{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);}
.bar img.mark{width:42px;height:42px;border-radius:12px;background:#fff;object-fit:contain;box-shadow:var(--shadow-card);padding:4px;}
.bar b{font-size:1.05rem;font-weight:900;}
.bar .back{margin-left:auto;font-size:13.5px;font-weight:800;color:#fff;text-decoration:none;
  padding:8px 16px;border-radius:50px;background:linear-gradient(135deg,var(--candy-cyan),var(--candy-blue));transition:.25s;}
.bar .back:hover{transform:translateY(-2px);}

.wrap{position:relative;z-index:1;max-width:1000px;margin:0 auto;padding:0 18px;}

/* Hero */
.hero{padding:108px 0 16px;text-align:center;}
.hero .ic{font-size:54px;}
.hero .kicker{display:inline-block;margin:8px 0 8px;font-size:13.5px;font-weight:800;color:#fff;letter-spacing:1px;
  padding:5px 16px;border-radius:50px;}
.hero h1{font-size:clamp(1.9rem,6vw,3rem);font-weight:900;line-height:1.12;
  background:linear-gradient(135deg,var(--candy-pink),var(--candy-orange),var(--candy-purple));
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  animation:gshift 5s ease infinite;}
@keyframes gshift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero p.lead{color:var(--muted);font-weight:700;margin:10px auto 0;max-width:620px;}

/* 區塊抬頭 */
.section-head{margin:34px 0 16px;text-align:center;}
.section-head .tag{display:inline-block;font-size:12.5px;font-weight:900;color:#fff;padding:5px 16px;border-radius:50px;letter-spacing:1px;
  background:linear-gradient(135deg,var(--candy-purple),var(--candy-pink));}
.section-head h2{font-size:clamp(1.4rem,4.4vw,2rem);font-weight:900;margin-top:10px;}
.section-head p{color:var(--muted);font-weight:700;margin-top:4px;font-size:15px;}

/* 卡片 */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));}
.card{position:relative;background:var(--card-bg);border:3px solid var(--card-border);border-radius:22px;
  padding:20px 22px;box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:.3s;}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-soft);}
.card .ic{font-size:34px;line-height:1;}
.card h3{font-size:1.18rem;font-weight:900;margin:8px 0 6px;}
.card p{font-size:14.5px;color:var(--muted);font-weight:700;line-height:1.55;}
.card .pic{margin:6px 0 2px;width:100%;height:120px;border-radius:14px;overflow:hidden;background:#fff;
  border:2px solid #f0e6d6;display:flex;align-items:center;justify-content:center;}
.card .pic img{width:100%;height:100%;object-fit:contain;}
.card .tagline{display:inline-block;margin-top:8px;font-size:12.5px;font-weight:900;color:var(--fun);
  background:#f3effb;border-radius:50px;padding:4px 12px;align-self:flex-start;}

/* 卡片配色 */
.c-cyan::before{background:linear-gradient(90deg,var(--candy-cyan),var(--candy-blue));}
.c-yellow::before{background:linear-gradient(90deg,var(--candy-yellow),var(--candy-orange));}
.c-purple::before{background:linear-gradient(90deg,var(--candy-purple),var(--candy-pink));}
.c-green::before{background:linear-gradient(90deg,var(--candy-green),var(--candy-cyan));}
.c-pink::before{background:linear-gradient(90deg,var(--candy-pink),var(--candy-orange));}
.c-orange::before{background:linear-gradient(90deg,var(--candy-orange),var(--candy-yellow));}

/* 提示框 */
.note{border-radius:18px;padding:16px 20px;font-weight:700;line-height:1.6;font-size:15px;margin:8px 0;}
.note.warn{background:#FFF1E8;border:2.5px solid var(--candy-orange);color:#8a4b13;}
.note.tip{background:#EAF6FF;border:2.5px solid var(--candy-blue);color:#1c4e80;}
.note.oath{background:linear-gradient(135deg,#FFF7DC,#FFEFD0);border:2.5px dashed var(--candy-orange);color:#7a4b00;text-align:center;}
.note b{color:inherit;}

footer{text-align:center;padding:36px 20px 90px;color:var(--muted);font-weight:700;}
footer .logo{height:46px;margin-bottom:8px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.12));}
footer .heart{color:var(--candy-pink);}

/* 哭比熊導覽 */
.guide{position:fixed;bottom:18px;right:16px;z-index:1500;}
.guide img{width:74px;height:92px;object-fit:contain;animation:bounce 2.6s ease-in-out infinite;filter:drop-shadow(0 8px 12px rgba(0,0,0,.22));}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* 分頁切換（體驗課版 / 完整互動版 iframe） */
.tabbar{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:4px 0 2px;}
.tab-btn{font-family:inherit;font-weight:900;font-size:14.5px;border:2.5px solid var(--card-border);background:#fff;color:var(--muted);
  border-radius:50px;padding:9px 22px;cursor:pointer;transition:.2s;}
.tab-btn.active{background:linear-gradient(135deg,var(--candy-purple),var(--candy-pink));color:#fff;border-color:transparent;box-shadow:var(--shadow-card);}
.tab-btn:hover{transform:translateY(-2px);}
.tab-panel[hidden]{display:none;}
.full-wrap{margin:14px 0 6px;border-radius:18px;overflow:hidden;border:3px solid var(--card-border);box-shadow:var(--shadow-card);background:#fff;}
.full-frame{width:100%;height:80vh;min-height:520px;border:0;display:block;}
.full-hint{text-align:center;color:var(--muted);font-weight:700;font-size:13px;margin-top:8px;}

@media(max-width:760px){
  body{font-size:16px;}
  .hero{padding-top:92px;}
  .guide{display:none;}
  .full-frame{height:78vh;}
}