:root{
  --bg:#f7f5ef; --ink:#1d2350; --muted:#5b6080; --accent:#f15a2b; --card:#fff; --soft:#efeaf6;
  --glow1:rgba(214,240,120,.5); --glow2:rgba(255,190,215,.5); --glow3:rgba(170,205,255,.45);
  --line:rgba(29,35,80,.035); --shadow:0 18px 40px -18px rgba(29,35,80,.35); --border:rgba(29,35,80,.14);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#14162a; --ink:#f3f1ea; --muted:#b5b8d0; --card:#1f2240; --soft:#262a4d;
    --glow1:rgba(160,200,60,.2); --glow2:rgba(230,110,160,.2); --glow3:rgba(80,130,230,.22);
    --line:rgba(255,255,255,.03); --shadow:0 18px 40px -18px rgba(0,0,0,.7); --border:rgba(255,255,255,.16);
  }
}
:root[data-theme="dark"]{
  --bg:#14162a; --ink:#f3f1ea; --muted:#b5b8d0; --card:#1f2240; --soft:#262a4d;
  --glow1:rgba(160,200,60,.2); --glow2:rgba(230,110,160,.2); --glow3:rgba(80,130,230,.22);
  --line:rgba(255,255,255,.03); --shadow:0 18px 40px -18px rgba(0,0,0,.7); --border:rgba(255,255,255,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:
  repeating-linear-gradient(0deg,var(--line) 0 1px,transparent 1px 4px),
  radial-gradient(40% 35% at 55% 50%,var(--glow1),transparent 70%),
  radial-gradient(30% 30% at 82% 18%,var(--glow2),transparent 70%),
  radial-gradient(35% 30% at 12% 82%,var(--glow3),transparent 70%)}
a{color:inherit}
img{max-width:100%}
.serif{font-family:"Instrument Serif","Noto Serif TC",Georgia,serif;font-weight:500}
.it{font-style:italic;font-weight:400}
.muted{color:var(--muted)} .small{font-size:13px} .center{text-align:center}
.eyebrow{font-size:13px;letter-spacing:.08em;color:var(--muted)}

nav.top{max-width:1180px;margin:0 auto;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);white-space:nowrap}
.logo img{width:44px;height:44px;border-radius:12px;box-shadow:0 6px 16px -6px rgba(60,40,140,.6);display:block}
.logo b{font-family:"Noto Serif TC",serif;font-weight:600;font-size:19px;letter-spacing:.06em;line-height:1.1;display:block}
.logo i{font-family:"Instrument Serif",serif;font-size:15px;color:var(--accent);display:block;line-height:1.1}
nav.top ul{display:flex;gap:22px;list-style:none;font-size:14px}
nav.top ul a{text-decoration:none;color:var(--muted)} nav.top ul a:hover{color:var(--ink)}

.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;border:0;cursor:pointer;
  padding:12px 24px;border-radius:999px;text-decoration:none;font:500 15px/1.2 inherit;font-family:inherit;
  box-shadow:0 10px 24px -10px rgba(241,90,43,.8);transition:transform .2s}
.cta:hover{transform:translateY(-2px)}
.cta svg{width:14px;height:14px}
.ghost{background:transparent;color:var(--ink);border:1px solid var(--border);box-shadow:none}

/* hero */
.hero{position:relative;max-width:1180px;margin:0 auto;min-height:700px;padding:110px 24px 70px;text-align:center}
.hero h1{font-family:"Noto Serif TC",serif;font-weight:600;font-size:clamp(40px,7vw,86px);line-height:1.15;margin:16px 0;letter-spacing:.02em}
.hero h1 .en{font-family:"Instrument Serif",serif;font-style:italic;font-weight:400;color:var(--accent)}
.hero .sub{font-size:16px;color:var(--muted);max-width:460px;margin:0 auto}
.hero .cta{margin-top:28px}
.float{position:absolute;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);background:var(--card);
  transform:rotate(var(--r)) translate(var(--px,0),var(--py,0));transition:transform .4s ease-out;animation:bob 7s ease-in-out infinite;animation-delay:var(--d,0s)}
.float img{display:block;width:100%;height:100%;object-fit:cover}
@keyframes bob{50%{translate:0 -10px}}
.f1{--r:-13deg;width:190px;height:190px;left:2%;top:40px}
.f2{--r:15deg;width:170px;height:170px;right:3%;top:40px;--d:-2s}
.f3{--r:-8deg;width:140px;height:140px;left:14%;top:440px;--d:-4s}
.f4{--r:-6deg;width:150px;height:150px;right:13%;top:420px;--d:-1s}
.f5{--r:8deg;width:90px;height:90px;right:3%;top:580px;border-radius:50%;--d:-3s}
.tag{position:absolute;font-size:12px;background:var(--card);padding:4px 10px;border-radius:999px;box-shadow:var(--shadow);right:12%;top:590px}

/* sections */
.peek{text-align:center;padding:30px 24px 20px}
.peek svg{width:60px;height:60px}
.peek h2,.sec-title{font-family:"Noto Serif TC",serif;font-weight:600;font-size:clamp(26px,3.6vw,36px);margin-top:6px}
.grid{max-width:1180px;margin:0 auto;padding:20px 24px 70px;display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.w{position:relative;border-radius:18px;overflow:hidden;background:var(--card);box-shadow:var(--shadow);text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;transition:transform .3s}
a.w:hover{transform:translateY(-6px) rotate(-.6deg)}
.w img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.w .meta{padding:16px 18px 18px}
.kind{font-size:11.5px;letter-spacing:.08em;color:var(--accent);font-weight:600}
.w h3{font-family:"Noto Serif TC",serif;font-weight:600;font-size:21px;line-height:1.35;margin:4px 0 6px}
.w p{font-size:14px;color:var(--muted)}
.price{font-weight:600;color:var(--ink);font-size:16px;margin-top:8px}
.soon{position:absolute;top:14px;left:14px;background:var(--ink);color:var(--bg);font-size:12px;padding:3px 10px;border-radius:999px}
.span7{grid-column:span 7}.span5{grid-column:span 5}.span4{grid-column:span 4}.span6{grid-column:span 6}
.feature{flex-direction:row}
.feature img{width:55%;aspect-ratio:auto}
.feature .meta{display:flex;flex-direction:column;justify-content:center;padding:28px}
.feature h3{font-size:28px}
.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-content:center;padding:10px}
.chip{aspect-ratio:1;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:13px;font-weight:600;text-align:center;line-height:1.2;
  text-decoration:none;transition:transform .25s;padding:6px}
.chip:hover{transform:scale(1.08) rotate(-6deg)}
.toggle{grid-column:span 3;aspect-ratio:auto;border-radius:999px;height:60px;background:#3ccf4e;display:flex;align-items:center;padding:6px;cursor:pointer;border:0}
.toggle span{width:48px;height:48px;border-radius:50%;background:#fff;transition:transform .3s;box-shadow:0 2px 6px rgba(0,0,0,.2)}
[data-theme="dark"] .toggle{background:#5b5fd6}

.about{max-width:760px;margin:0 auto;padding:30px 24px 80px;text-align:center}
.about blockquote{font-family:"Noto Serif TC",serif;font-size:clamp(22px,3vw,30px);line-height:1.6}
.about blockquote em{font-style:normal;color:var(--accent)}
.about p{color:var(--muted);margin-top:16px}
.links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}
.links a{border:1px solid var(--border);padding:7px 16px;border-radius:999px;text-decoration:none;font-size:14px}
.links a:hover{background:var(--card)}
footer{text-align:center;font-size:13px;color:var(--muted);padding:10px 24px 40px;line-height:2}
footer a{color:var(--muted);margin:0 6px}

/* product page */
.product{max-width:1180px;margin:0 auto;padding:20px 24px 40px;display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:start}
.gallery .main{border-radius:18px;overflow:hidden;box-shadow:var(--shadow);background:var(--card)}
.gallery .main img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin-top:12px}
.thumbs button{border:2px solid transparent;border-radius:10px;overflow:hidden;padding:0;cursor:pointer;background:none;aspect-ratio:1}
.thumbs button[aria-current="true"]{border-color:var(--accent)}
.thumbs img{width:100%;height:100%;object-fit:cover;display:block}
.info h1{font-family:"Noto Serif TC",serif;font-weight:600;font-size:clamp(28px,3.4vw,40px);line-height:1.3;margin:6px 0 10px}
.info .lead{color:var(--muted)}
.big-price{font-size:30px;font-weight:600;margin:18px 0 4px}
.big-price small{font-size:14px;color:var(--muted);font-weight:400;margin-left:8px}
.buy{display:grid;gap:12px;margin-top:18px;background:var(--card);padding:20px;border-radius:16px;box-shadow:var(--shadow);text-align:left}
.buy label{display:grid;gap:4px;font-size:14px;font-weight:500}
.buy input[type=text],.buy input[type=email]{font:inherit;padding:11px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--ink)}
.buy .agree{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:13px;color:var(--muted);line-height:1.6}
.buy .agree input{margin-top:4px;flex:none;width:16px;height:16px;accent-color:var(--accent)}
.pay-icons{font-size:12.5px;color:var(--muted);text-align:center}
.ticks{list-style:none;margin-top:18px;display:grid;gap:8px;font-size:15px}
.ticks li{padding-left:28px;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:var(--soft);color:var(--accent);
  display:grid;place-items:center;font-size:12px;font-weight:700;margin-top:3px}
.prose{max-width:820px;margin:0 auto;padding:10px 24px 60px}
.prose h2{font-family:"Noto Serif TC",serif;font-weight:600;font-size:26px;margin:44px 0 14px}
.prose h3{font-size:17px;margin:22px 0 6px}
.prose p,.prose li{color:var(--muted);font-size:15.5px}
.prose ul,.prose ol{padding-left:22px;display:grid;gap:6px}
.prose b{color:var(--ink)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.card{background:var(--card);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 4px}
.card p{font-size:14px}
details{background:var(--card);border-radius:12px;padding:14px 18px;margin-bottom:10px;box-shadow:var(--shadow)}
summary{cursor:pointer;font-weight:600}
details p{margin-top:8px}
.narrow{max-width:620px;margin:0 auto;padding:90px 24px}
.narrow h1{font-size:38px;margin:8px 0 14px}
.narrow p{margin:12px 0}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media (max-width:900px){
  nav.top ul{gap:14px;font-size:13px}
  .hero{min-height:auto;padding:24px 16px 40px}
  .hero-cards{display:flex;justify-content:center;align-items:center;margin-bottom:30px}
  .float{position:relative;left:auto;right:auto;top:auto;margin:0 -8px}
  .f1,.f2{width:118px;height:118px}.f4{width:96px;height:96px}.f3,.f5,.tag{display:none}
  .grid{gap:14px;padding:10px 16px 50px}
  .span7,.span5,.span4,.span6{grid-column:span 12}
  .feature{flex-direction:column}.feature img{width:100%;aspect-ratio:1/1}.feature .meta{padding:18px}
  .chips{grid-template-columns:repeat(4,1fr)}.toggle{grid-column:span 4}
  .product{grid-template-columns:1fr;gap:24px;padding:10px 16px 30px}
  .thumbs{grid-template-columns:repeat(4,1fr)}
  .cards{grid-template-columns:1fr}
  .prose{padding:0 16px 50px}
}
@media (max-width:480px){nav.top ul li.hide-s{display:none}}
@media (prefers-reduced-motion:reduce){.float{animation:none}.reveal{opacity:1;transform:none}}
.hl{color:var(--accent)}
@media (min-width:901px){.chips.span7{grid-template-columns:repeat(4,1fr);padding:30px}.chips.span7 .toggle{grid-column:span 2}}