:root{
  --bg:#edf7f4;
  --bg2:#f8fcfb;
  --panel:rgba(255,255,255,.90);
  --text:#163238;
  --muted:#4f6d73;
  --primary:#1d8d8b;
  --primary2:#50b19c;
  --shadow:0 18px 60px rgba(17,56,63,.14);
  --radius-xl:34px;
  --radius-lg:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans TC",system-ui,sans-serif;background:linear-gradient(180deg,#ebf8f7,#f6fbfa 32%,#edf7f4);color:var(--text)}
a{text-decoration:none;color:inherit}
img,video{max-width:100%;display:block}
.full-wrap{width:min(100%,1500px);margin:0 auto;padding:0 20px}
.topbar{position:sticky;top:0;z-index:50;background:rgba(237,247,244,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(76,131,122,.12)}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{width:76px;height:76px;border-radius:0;object-fit:contain;background:transparent;padding:0;box-shadow:none}
.brand strong{display:block;font-size:1.12rem;line-height:1.25}
.brand span,.sidebar-note{display:block;font-size:.92rem;color:var(--muted)}
.top-cta,.pill-btn,.danger-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 22px;font-weight:800;cursor:pointer;border:0;transition:.25s ease}
.top-cta,.pill-btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:var(--shadow)}
.top-cta:hover,.pill-btn:hover{transform:translateY(-1px)}
.pill-light{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.45);backdrop-filter:blur(6px)}
.large-submit{min-width:180px}
.small-btn{padding:10px 16px;font-size:.92rem}
.danger-btn{background:#fff4f3;color:#a03b3b;border:1px solid rgba(160,59,59,.18)}
.hero-slider{position:relative;min-height:clamp(320px,58vw,780px);overflow:hidden;background:#eef5f2}
.hero-slider .slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;animation-duration:12s;animation-iteration-count:infinite;background:#eef5f2}
.hero-slider .slide img{width:100%;height:100%;object-fit:contain;object-position:center;background:#eef5f2}
.hero-slider .s1{animation-name:fadeA}
.hero-slider .s2{animation-name:fadeB}
@keyframes fadeA{0%,45%{opacity:1}50%,95%{opacity:0}100%{opacity:1}}
@keyframes fadeB{0%,45%{opacity:0}50%,95%{opacity:1}100%{opacity:0}}50%,95%{opacity:1}100%{opacity:0}}
.full-band{padding:32px 0}
.alt-band{background:linear-gradient(180deg,rgba(110,194,176,.12),rgba(255,255,255,.62))}
.rounded-panel{background:var(--panel);border-radius:var(--radius-xl);box-shadow:var(--shadow);overflow:hidden}
.text-panel{padding:34px clamp(20px,3vw,42px)}
.text-panel h2{margin:0 0 16px;font-size:clamp(1.45rem,2.5vw,2rem);color:#0f5a5d}
.rich-text{font-size:1.03rem;line-height:2;color:#29464d;white-space:normal}
.poster-grid-two,.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.video-grid{align-items:stretch}
.video-card{aspect-ratio:9/16;display:flex;align-items:center;justify-content:center;background:#f2f6f5}
.video-card video{width:100%;height:100%;object-fit:contain;background:#f2f6f5}
.poster-card,.video-card{width:100%;border-radius:30px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.xl-poster{width:100%;height:min(50vw,560px);object-fit:contain;object-position:center;background:#f4f8f7}
.form-band{padding-bottom:80px}
.form-panel{padding:34px clamp(20px,3vw,42px)}
.center{text-align:center}
.form-main-title{margin:0;font-size:clamp(1.6rem,2.6vw,2.2rem)}
.form-main-desc{margin:10px auto 0;max-width:680px;color:var(--muted);line-height:1.8}
.lead-form{margin-top:28px}
.form-grid,.edit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field span{font-weight:800}
input,select,textarea{width:100%;padding:14px 16px;border-radius:18px;border:1px solid rgba(25,101,104,.15);font:inherit;background:#fff;color:var(--text)}
textarea{min-height:120px;resize:vertical}
.form-submit-wrap{display:flex;justify-content:center;margin-top:24px}
.flash{padding:14px 16px;border-radius:18px;margin:16px 0;font-weight:700}
.flash.success{background:#e7fbef;color:#256942}
.flash.error{background:#fff0f0;color:#a03b3b}
.footer-bar{padding:18px 0 30px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:.94rem}
.floating-detail-btn{position:fixed;right:18px;bottom:18px;z-index:999;background:linear-gradient(135deg,#188b8f,#2fa66b);color:#fff;padding:14px 18px;border-radius:999px;font-weight:900;box-shadow:0 14px 40px rgba(18,77,74,.28);display:inline-flex;align-items:center;justify-content:center;min-width:120px}

.admin-body{background:#f3faf8}
.admin-layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{background:#13353a;color:#fff;padding:24px;display:flex;flex-direction:column;justify-content:space-between}
.sidebar h1{font-size:1.35rem;margin:0 0 8px}
.sidebar nav{display:grid;gap:8px;margin-top:26px}
.sidebar nav a,.sidebar-footer a{display:block;padding:12px 14px;border-radius:16px;background:rgba(255,255,255,.08)}
.sidebar nav a.active{background:linear-gradient(135deg,#189398,#37aa72)}
.sidebar-footer{display:grid;gap:10px}
.admin-main{padding:26px}
.admin-panel{background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:24px;margin-bottom:22px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:14px 12px;border-bottom:1px solid rgba(14,39,43,.08);text-align:left;vertical-align:top}
.stack-gap{display:grid;gap:18px}
.edit-card{background:#f7fbfa;border-radius:22px;padding:18px}
.textarea-span{grid-column:1 / -1}
.checkbox{display:flex;align-items:center;gap:10px;font-weight:700;padding-top:12px}
.inline-actions,.inline-password-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:14px}
@media (max-width: 900px){
  .poster-grid-two,.form-grid,.edit-grid,.admin-layout{grid-template-columns:1fr}
  .video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .brand strong{font-size:1rem}
  .brand span{font-size:.82rem}
  .brand img{width:58px;height:58px}
  .nav-shell{padding:10px 14px}
  .top-cta{padding:10px 14px;font-size:.92rem}
  .xl-poster,.video-card video{height:auto}
  .footer-inner{flex-direction:column;text-align:center}
  .admin-main{padding:18px}
}

@media (max-width: 640px){
  .hero-slider{min-height:56vw;}
  .video-card{aspect-ratio:9/16;}
  .xl-poster{height:auto;max-height:none;}
  .floating-detail-btn{right:14px;bottom:14px;padding:12px 16px;min-width:110px;font-size:.95rem}
}