@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=Noto+Serif+TC:wght@400;600;700;900&display=swap');

:root{
  --navy:#03163b;
  --navy-2:#071e4b;
  --navy-3:#0b285e;
  --gold:#f5ca58;
  --gold-2:#c9972e;
  --cream:#fff4d0;
  --muted:#b8bfd0;
  --line:rgba(245,202,88,.28);
  --shadow:0 20px 60px rgba(0,0,0,.32);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 20% 0%,rgba(33,75,144,.18),transparent 30%),
    linear-gradient(180deg,#02102d 0%,var(--navy) 45%,#020b20 100%);
  color:var(--cream);
  font-family:"Noto Serif TC","DFKai-SB","KaiTi","STKaiti",serif;
}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;opacity:.24;
  background-image:
    linear-gradient(rgba(255,255,255,.012) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.01) 1px,transparent 1px);
  background-size:36px 36px;
}
a{color:inherit;text-decoration:none}
button{font:inherit}
img{max-width:100%;display:block}
.shell{width:min(1180px,calc(100% - 36px));margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  height:82px;
  display:flex;align-items:center;gap:34px;
  padding:0 max(24px,calc((100vw - 1180px)/2));
  background:rgba(2,16,45,.88);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);
}
.brand{display:flex;flex-direction:column;min-width:max-content}
.brand-main,.footer-brand{
  font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;
  font-size:34px;line-height:1;color:var(--gold);
  letter-spacing:.08em;text-shadow:0 2px 16px rgba(245,202,88,.15);
}
.brand-sub{font-size:9px;letter-spacing:.25em;color:#d3af55;margin-top:5px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{font-size:14px;color:#e9dfc4;position:relative}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-10px;height:1px;background:var(--gold);transition:.2s}
.nav a:hover::after{right:0}
.cart-btn{
  border:1px solid var(--gold-2);background:transparent;color:var(--gold);
  padding:10px 14px;border-radius:999px;cursor:pointer;
}
.cart-btn span{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 5px;margin-left:4px;background:var(--gold);color:#071634;border-radius:999px;font-weight:900}

.hero{
  min-height:650px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:40px;
  position:relative;overflow:hidden;padding-block:70px;
}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:20px;height:1px;background:linear-gradient(90deg,transparent,var(--gold-2),transparent)}
.hero-kicker,.eyebrow{color:#d7ad44;font-size:12px;letter-spacing:.28em;text-transform:uppercase}
.hero h1,.section-head h2,.story h2,.faq h2{
  font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;
  color:var(--gold);font-weight:400;letter-spacing:.08em;
}
.hero h1{font-size:clamp(64px,8vw,112px);margin:18px 0 8px;line-height:.95}
.hero-lead{max-width:650px;font-size:19px;line-height:1.9;color:#e9dfc4}
.hero-lead strong{color:var(--gold);font-size:1.15em}
.hero-actions{display:flex;gap:12px;margin-top:30px}
.btn{
  border:1px solid transparent;border-radius:999px;padding:13px 22px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:.2s;
}
.btn.gold{background:linear-gradient(135deg,#f6d269,#c48c1f);color:#061333;font-weight:900;box-shadow:0 8px 30px rgba(227,172,56,.18)}
.btn.gold:hover{transform:translateY(-1px);filter:brightness(1.05)}
.btn.outline,.btn.ghost{border-color:var(--gold-2);color:var(--gold);background:transparent}
.btn.full{width:100%}
.microcopy{margin-top:22px;color:#8f9bb6;font-size:12px;letter-spacing:.08em}

.hero-art{height:500px;position:relative;isolation:isolate}
.moon{position:absolute;width:250px;height:250px;border-radius:50%;right:9%;top:3%;background:radial-gradient(circle at 35% 30%,#ffe89f,#d99f34 46%,rgba(217,159,52,.04) 70%);filter:blur(.2px);opacity:.82}
.mountains{position:absolute;left:0;right:0;bottom:20px;height:270px;clip-path:polygon(0 83%,8% 61%,18% 78%,29% 38%,42% 70%,55% 45%,67% 66%,77% 30%,88% 62%,100% 42%,100% 100%,0 100%)}
.mountains-a{background:#0d2c61;border-top:1px solid rgba(245,202,88,.2)}
.mountains-b{height:190px;background:linear-gradient(180deg,#17386c,#06183c);opacity:.9;transform:translateY(25px)}
.pack{
  position:absolute;z-index:3;right:18%;top:50%;transform:translateY(-44%) rotate(2deg);
  width:225px;height:340px;border-radius:18px 18px 28px 28px;
  border:1px solid #d9a73d;
  background:
    radial-gradient(circle at 25% 10%,rgba(48,83,143,.55),transparent 34%),
    linear-gradient(160deg,#0c2a64,#03163b 58%,#020a1d);
  box-shadow:0 35px 70px rgba(0,0,0,.5),inset 0 0 0 4px rgba(245,202,88,.04);
}
.pack::before,.pack::after{content:"";position:absolute;left:18px;right:18px;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.pack::before{top:54px}.pack::after{bottom:48px}
.pack-top{position:absolute;right:16px;top:18px;border:1px solid var(--gold-2);padding:4px 7px;color:var(--gold);font-size:11px}
.pack-title{font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;color:var(--gold);font-size:50px;line-height:1.05;text-align:center;margin-top:88px;text-shadow:0 2px 12px rgba(245,202,88,.2)}
.pack-line{width:80px;height:2px;background:var(--gold-2);margin:22px auto 14px}
.pack-small{text-align:center;color:#d7bd77;font-size:11px;letter-spacing:.13em}

.feature-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-block:1px solid var(--line);background:rgba(5,27,65,.72);
}
.feature-bar>div{padding:24px 20px;text-align:center;border-right:1px solid var(--line)}
.feature-bar>div:last-child{border-right:0}
.feature-bar span{display:block;color:var(--gold);font-size:25px;margin-bottom:5px}
.feature-bar b{display:block;color:#efd77d;font-weight:700}
.feature-bar small{display:block;color:#9ba6bd;margin-top:5px}

.products{padding-block:76px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2,.story h2,.faq h2{font-size:48px;margin:4px 0}
.section-head p{color:#aeb5c7}
.section-head strong{color:var(--gold)}
.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:28px}
.filter{
  border:1px solid rgba(245,202,88,.22);background:#071c45;color:#cbd2e3;
  padding:9px 14px;border-radius:999px;cursor:pointer;
}
.filter.active,.filter:hover{border-color:var(--gold-2);color:var(--gold);background:#0b2859}

.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product-card{
  overflow:hidden;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#071d48,#04132f);
  box-shadow:var(--shadow);position:relative;
}
.product-card::before{content:"";position:absolute;inset:10px;border:1px solid rgba(245,202,88,.08);border-radius:12px;pointer-events:none}
.product-image{
  aspect-ratio:1/.9;display:grid;place-items:center;padding:28px;background:
  radial-gradient(circle at 50% 40%,rgba(245,202,88,.14),transparent 33%),
  linear-gradient(180deg,#0a2658,#061a3e);
}
.product-image img{
  width:72%;height:88%;object-fit:contain;filter:drop-shadow(0 18px 22px rgba(0,0,0,.35));border-radius:7px;
}
.image-fallback{
  width:170px;height:230px;border:1px solid var(--gold-2);border-radius:15px;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;
  color:var(--gold);font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;font-size:30px;
  background:linear-gradient(150deg,#0b2a63,#02102c);
}
.product-body{padding:20px 20px 22px}
.product-brand{font-size:11px;letter-spacing:.2em;color:#c9a64b}
.product-name{font-size:21px;margin:8px 0;color:#fff0b4}
.product-desc{font-size:13px;color:#aeb6c8;line-height:1.7;min-height:44px}
.product-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:18px}
.price{color:var(--gold);font-size:24px;font-weight:800}
.add-btn{border:1px solid var(--gold-2);background:transparent;color:var(--gold);padding:9px 13px;border-radius:999px;cursor:pointer}
.add-btn:hover{background:var(--gold);color:#061333}

.story{display:grid;grid-template-columns:1fr .9fr;gap:40px;padding-block:70px;border-block:1px solid var(--line)}
.story-copy{max-width:680px}
.story h3{font-size:26px;color:#e8ce83}
.story p{line-height:2;color:#bdc5d5}
.story-art{min-height:330px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:radial-gradient(circle at 75% 15%,rgba(241,195,84,.25),transparent 20%),linear-gradient(160deg,#0b2a62,#031334)}
.story-art span{position:absolute;right:26px;top:30px;font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;color:var(--gold);font-size:38px;line-height:1.2}
.story-art i{position:absolute;bottom:-30px;width:300px;height:180px;background:#0e326f;clip-path:polygon(0 100%,20% 45%,37% 74%,55% 22%,72% 66%,88% 38%,100% 100%)}
.story-art i:nth-child(1){left:-30px}
.story-art i:nth-child(2){left:170px;opacity:.72;transform:scale(.9)}
.story-art i:nth-child(3){left:360px;opacity:.45;transform:scale(.8)}

.faq{padding-block:70px}
details{border:1px solid rgba(245,202,88,.18);border-radius:14px;margin:12px 0;background:#06183a}
summary{cursor:pointer;padding:18px 20px;color:#f1dfa4;font-weight:700}
details p{padding:0 20px 20px;color:#aeb6c8;line-height:1.8}

footer{border-top:1px solid var(--line);background:#020b20;margin-top:20px}
.footer-inner{display:grid;grid-template-columns:1.1fr .7fr 1fr;gap:40px;padding-block:48px}
.footer-inner b{color:var(--gold)}
.footer-inner a,.footer-inner p{display:block;color:#9ea8bc;font-size:13px;line-height:1.8}
.health-warning{border-top:1px solid rgba(245,202,88,.15);border-bottom:1px solid rgba(245,202,88,.15);padding:14px 20px;text-align:center;color:#d6c38d;font-size:12px;background:#061431}
.copyright{text-align:center;padding:18px;color:#717c92;font-size:11px}

.cart-drawer{
  position:fixed;right:0;top:0;bottom:0;width:min(420px,92vw);z-index:100;
  background:#04132f;border-left:1px solid var(--line);transform:translateX(105%);transition:.26s ease;
  padding:20px;box-shadow:-20px 0 60px rgba(0,0,0,.45);overflow:auto;
}
.cart-drawer.open{transform:translateX(0)}
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90;opacity:0;pointer-events:none;transition:.2s}
.backdrop.show{opacity:1;pointer-events:auto}
.cart-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px}
.cart-head h2{font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;color:var(--gold);font-size:34px;margin:0}
.cart-head button{background:transparent;color:var(--gold);border:0;font-size:30px;cursor:pointer}
.cart-item{display:grid;grid-template-columns:1fr auto;gap:10px;padding:16px 0;border-bottom:1px solid rgba(245,202,88,.12)}
.cart-item b{color:#f2dfa1}
.cart-item small{display:block;color:#8793aa;margin-top:4px}
.qty{display:flex;align-items:center;gap:8px}
.qty button{width:28px;height:28px;border:1px solid var(--gold-2);background:transparent;color:var(--gold);border-radius:50%;cursor:pointer}
.cart-total{display:flex;justify-content:space-between;padding:20px 0;color:#d9c98d}
.cart-total strong{color:var(--gold);font-size:25px}
.cart-note{font-size:11px;color:#7f8ba1;line-height:1.7}
.empty-cart{padding:44px 0;text-align:center;color:#8290a8}

.age-gate{
  position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:24px;
  background:rgba(1,7,22,.92);backdrop-filter:blur(12px);
}
.age-gate.hidden{display:none}
.age-card{
  width:min(520px,100%);text-align:center;border:1px solid var(--gold-2);border-radius:24px;padding:40px 30px;
  background:linear-gradient(180deg,#0a2453,#031331);box-shadow:0 30px 100px rgba(0,0,0,.55)
}
.age-card h2{font-family:"Ma Shan Zheng","DFKai-SB","KaiTi",serif;color:var(--gold);font-size:54px;margin:8px 0}
.age-card p{color:#c7ccda;line-height:1.8}
.age-card small{color:#7f8da4}
.seal{display:inline-grid;place-items:center;border:1px solid #be3f38;color:#ef6a60;padding:5px 7px;font-size:12px}
.age-actions{display:flex;gap:10px;justify-content:center;margin:24px 0 16px;flex-wrap:wrap}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);opacity:0;z-index:200;
  background:#f2cb62;color:#071330;padding:11px 16px;border-radius:999px;font-weight:800;pointer-events:none;transition:.2s;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .site-header{height:72px}
  .nav{display:none}
  .brand-main{font-size:28px}
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:55px}
  .hero-art{height:430px}
  .feature-bar{grid-template-columns:repeat(2,1fr)}
  .feature-bar>div:nth-child(2){border-right:0}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .story{grid-template-columns:1fr}
}
@media (max-width:600px){
  .shell{width:min(100% - 24px,1180px)}
  .site-header{padding:0 12px;gap:10px}
  .brand-sub{display:none}
  .brand-main{font-size:25px}
  .cart-btn{margin-left:auto;padding:8px 10px;font-size:12px}
  .hero{padding-block:44px}
  .hero h1{font-size:62px}
  .hero-lead{font-size:16px}
  .hero-art{height:340px}
  .pack{width:175px;height:270px;right:15%}
  .pack-title{font-size:39px;margin-top:74px}
  .moon{width:180px;height:180px}
  .feature-bar>div{padding:18px 8px}
  .product-grid{grid-template-columns:1fr}
  .section-head{align-items:flex-start;flex-direction:column}
  .section-head h2,.story h2,.faq h2{font-size:42px}
  .footer-inner{grid-template-columns:1fr}
}