/* =============================================
   TRI-SPEED · 罨画天府 钟灵毓绣
   Premium e-commerce theme
   ============================================= */

:root{
  --ivory:#FBF7F0;
  --paper:#F4EDDF;
  --cream:#EFE6D2;
  --ink:#1A1410;
  --ink-soft:#3A3128;
  --stone:#6B6157;
  --stone-light:#A89E92;
  --crimson:#8B1E1E;
  --crimson-deep:#5E1414;
  --gold:#B89A5C;
  --gold-soft:#D4BC83;
  --line:#E5DCC8;
  --shadow:0 30px 60px -20px rgba(26,20,16,.18);
  --shadow-sm:0 10px 30px -10px rgba(26,20,16,.12);
  --serif:'Cormorant Garamond','Noto Serif SC','Songti SC',serif;
  --sans:'Inter','Noto Sans SC','PingFang SC','Helvetica Neue',Arial,sans-serif;
  --max:1280px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--ivory);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:opacity .25s,color .25s}
a:hover{opacity:.7}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}

/* ---------- Typography ---------- */
.serif{font-family:var(--serif)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;letter-spacing:.005em;color:var(--ink)}
h1{font-size:clamp(40px,6vw,82px);line-height:1.05}
h2{font-size:clamp(30px,4vw,52px);line-height:1.15}
h3{font-size:clamp(22px,2.4vw,30px);line-height:1.25}
h4{font-size:18px;line-height:1.3}
.eyebrow{
  display:inline-block;
  font-size:11px;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--crimson);
  font-weight:500;
  margin-bottom:18px;
}
.lede{font-size:17px;color:var(--ink-soft);max-width:62ch}

/* ---------- Layout ---------- */
.container{max-width:var(--max);margin:0 auto;padding:0 32px}
.section{padding:120px 0}
.section-sm{padding:80px 0}
.divider{height:1px;background:var(--line);margin:0 32px}

/* ---------- Header ---------- */
.announcement{
  background:var(--ink);
  color:var(--ivory);
  text-align:center;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  padding:10px 16px;
}
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(251,247,240,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:24px;
  padding:22px 32px;
  max-width:var(--max);
  margin:0 auto;
}
.nav-links{display:flex;gap:36px;font-size:13px;letter-spacing:.18em;text-transform:uppercase}
.nav-links a{position:relative;padding:6px 0}
.nav-links a.active::after,
.nav-links a:hover::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:1px;background:var(--crimson);
}
.brand{
  text-align:center;font-family:var(--serif);
  font-size:22px;letter-spacing:.32em;
}
.brand small{
  display:block;font-family:var(--sans);
  font-size:9.5px;letter-spacing:.4em;
  color:var(--stone);margin-top:2px;font-weight:400;
}
.nav-actions{display:flex;justify-content:flex-end;gap:24px;align-items:center;font-size:13px;letter-spacing:.16em;text-transform:uppercase}
.cart-link{display:inline-flex;align-items:center;gap:8px;position:relative}
.cart-count{
  display:inline-grid;place-items:center;
  min-width:20px;height:20px;border-radius:999px;
  background:var(--crimson);color:#fff;
  font-size:10px;letter-spacing:0;
  padding:0 6px;font-weight:600;
}
.icon{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}

.mobile-toggle{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:88vh;
  display:flex;align-items:center;
  overflow:hidden;
  background:#0d0a08;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  filter:brightness(.55) saturate(1.05);
  transform:scale(1.04);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.55) 100%);
}
.hero-inner{
  position:relative;
  color:#fff;
  max-width:780px;
  padding:160px 32px;
  margin:0 auto 0 max(32px,calc((100vw - var(--max))/2 + 32px));
}
.hero .eyebrow{color:var(--gold-soft)}
.hero h1{color:#fff;margin-bottom:24px}
.hero p{font-size:18px;color:rgba(255,255,255,.82);max-width:48ch;margin-bottom:40px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 32px;
  font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  border:1px solid currentColor;border-radius:0;
  transition:.3s ease;font-weight:500;
  cursor:pointer;background:transparent;color:inherit;
}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--crimson);border-color:var(--crimson);opacity:1}
.btn-light{background:#fff;color:var(--ink);border-color:#fff}
.btn-light:hover{background:transparent;color:#fff;opacity:1}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff;color:var(--ink);opacity:1}
.btn-ghost{padding:14px 0;border:0;border-bottom:1px solid var(--ink);letter-spacing:.24em}
.btn-ghost:hover{color:var(--crimson);border-color:var(--crimson);opacity:1}
.btn-block{width:100%;justify-content:center}
.btn-sm{padding:12px 22px;font-size:11px}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- Story strip ---------- */
.strip{
  padding:28px 32px;background:var(--paper);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  text-align:center;font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-soft);
  border-bottom:1px solid var(--line);
}
.strip span{display:block;font-family:var(--serif);font-size:22px;color:var(--crimson);text-transform:none;letter-spacing:.02em;margin-bottom:6px}

/* ---------- Section heading ---------- */
.head{text-align:center;margin-bottom:72px;max-width:720px;margin-left:auto;margin-right:auto}
.head .lede{margin:18px auto 0}

/* ---------- Product grid ---------- */
.grid{display:grid;gap:48px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
}

.card{background:#fff;border:1px solid var(--line);transition:.4s ease;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.card-media{position:relative;overflow:hidden;background:var(--cream);aspect-ratio:1/1}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .8s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-tag{
  position:absolute;top:16px;left:16px;
  background:var(--ink);color:#fff;
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  padding:6px 12px;
}
.card-tag.gold{background:var(--gold);color:var(--ink)}
.card-body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column}
.card-cat{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);margin-bottom:8px}
.card-title{font-family:var(--serif);font-size:24px;line-height:1.2;margin-bottom:6px;color:var(--ink)}
.card-sub{font-size:13px;color:var(--stone);margin-bottom:18px;flex:1}
.card-foot{display:flex;justify-content:space-between;align-items:center;gap:12px}
.price{font-family:var(--serif);font-size:22px;color:var(--ink)}
.price small{font-size:13px;color:var(--stone);margin-left:4px}

/* ---------- Editorial split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch}
.split.reverse .split-img{order:2}
.split-img{background-size:cover;background-position:center;min-height:560px}
.split-text{padding:120px 80px;display:flex;flex-direction:column;justify-content:center;background:var(--paper)}
.split-text.dark{background:var(--ink);color:var(--ivory)}
.split-text.dark h2,.split-text.dark .eyebrow{color:#fff}
.split-text.dark .eyebrow{color:var(--gold-soft)}
.split-text p{color:var(--ink-soft);margin-bottom:18px;max-width:48ch}
.split-text.dark p{color:rgba(255,255,255,.8)}
.split-text .btn-ghost{align-self:flex-start;margin-top:12px}
.split-text.dark .btn-ghost{color:#fff;border-color:#fff}
@media(max-width:900px){
  .split{grid-template-columns:1fr}
  .split.reverse .split-img{order:0}
  .split-img{min-height:380px}
  .split-text{padding:60px 32px}
}

/* ---------- Capsule (heritage cards) ---------- */
.capsule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.capsule{padding:48px 36px;background:#fff;border:1px solid var(--line);text-align:left}
.capsule .num{font-family:var(--serif);font-size:42px;color:var(--crimson);display:block;margin-bottom:18px}
.capsule h4{font-family:var(--serif);font-size:22px;margin-bottom:12px}
.capsule p{font-size:14px;color:var(--ink-soft)}
@media(max-width:760px){.capsule-grid{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:rgba(255,255,255,.78);padding:96px 0 36px;margin-top:120px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;margin-bottom:64px}
.footer h5{font-family:var(--serif);color:#fff;font-weight:500;font-size:16px;margin-bottom:18px;letter-spacing:.04em}
.footer ul{list-style:none}
.footer li{margin-bottom:10px;font-size:13px}
.footer a:hover{color:var(--gold-soft)}
.footer .brand-block .brand{color:#fff;text-align:left;font-size:24px;margin-bottom:14px}
.footer .brand-block .brand small{color:var(--stone-light);text-align:left;margin-top:4px}
.footer .brand-block p{font-size:14px;color:rgba(255,255,255,.65);max-width:320px}
.newsletter{display:flex;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:8px}
.newsletter input{
  flex:1;background:transparent;border:0;padding:10px 0;
  color:#fff;outline:none;font-size:13px;letter-spacing:.05em;
}
.newsletter input::placeholder{color:rgba(255,255,255,.45)}
.newsletter button{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-soft)}
.bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:28px;display:flex;justify-content:space-between;
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.45);
  flex-wrap:wrap;gap:16px;
}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* ---------- Page header ---------- */
.page-hero{
  padding:120px 32px 80px;
  text-align:center;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.page-hero h1{font-size:clamp(36px,5vw,64px);margin-bottom:16px}
.page-hero p{max-width:60ch;margin:0 auto;color:var(--ink-soft)}
.crumbs{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);margin-bottom:20px}
.crumbs a{color:var(--stone)}
.crumbs span{margin:0 10px;color:var(--stone-light)}

/* ---------- Filter bar ---------- */
.toolbar{
  display:flex;justify-content:space-between;align-items:center;
  border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:48px;
  flex-wrap:wrap;gap:18px;
}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  padding:8px 18px;border:1px solid var(--line);font-size:11px;
  letter-spacing:.2em;text-transform:uppercase;cursor:pointer;
  background:#fff;transition:.2s;
}
.chip.active,.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink);opacity:1}
.toolbar select{
  padding:10px 16px;border:1px solid var(--line);background:#fff;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;cursor:pointer;
}

/* ---------- Product detail ---------- */
.pd{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;padding:64px 0}
@media(max-width:900px){.pd{grid-template-columns:1fr;gap:36px}}
.pd-gallery{display:grid;grid-template-columns:1fr;gap:14px}
.pd-main{aspect-ratio:1/1;background:var(--cream);overflow:hidden}
.pd-main img{width:100%;height:100%;object-fit:cover}
.pd-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.pd-thumb{aspect-ratio:1/1;background:var(--cream);cursor:pointer;border:1px solid transparent;overflow:hidden}
.pd-thumb img{width:100%;height:100%;object-fit:cover}
.pd-thumb.active{border-color:var(--ink)}
.pd-info{padding:8px 0}
.pd-info .crumbs{margin-bottom:14px}
.pd-info h1{font-size:clamp(32px,3.4vw,46px);margin-bottom:8px}
.pd-info .sku{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);margin-bottom:24px}
.pd-price{display:flex;align-items:baseline;gap:14px;margin-bottom:28px}
.pd-price .price{font-size:32px}
.pd-price .ship{font-size:12px;color:var(--stone);letter-spacing:.18em;text-transform:uppercase}
.pd-desc{color:var(--ink-soft);margin-bottom:28px;line-height:1.8}
.pd-options{margin-bottom:28px}
.pd-options label{display:block;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);margin-bottom:10px}
.opt-row{display:flex;gap:8px;flex-wrap:wrap}
.opt-row button{padding:12px 18px;border:1px solid var(--line);background:#fff;font-size:13px;cursor:pointer;letter-spacing:.04em}
.opt-row button.active{border-color:var(--ink);background:var(--ink);color:#fff}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff}
.qty button{width:42px;height:46px;font-size:18px;color:var(--ink)}
.qty input{width:48px;height:46px;text-align:center;border:0;background:transparent;font-size:14px;outline:none}
.pd-cta{display:flex;gap:12px;margin:24px 0 32px;flex-wrap:wrap}
.pd-cta .btn{flex:1;min-width:200px;justify-content:center}
.pd-meta{border-top:1px solid var(--line);padding-top:24px;font-size:13px;color:var(--ink-soft);display:grid;gap:10px}
.pd-meta b{color:var(--ink);font-weight:500;letter-spacing:.06em}

.accordion{border-top:1px solid var(--line);margin-top:32px}
.acc-item{border-bottom:1px solid var(--line)}
.acc-head{
  width:100%;text-align:left;padding:22px 0;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  font-family:var(--serif);font-size:18px;
}
.acc-head::after{content:"+";font-size:22px;color:var(--stone)}
.acc-item.open .acc-head::after{content:"−"}
.acc-body{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--ink-soft);font-size:14px;line-height:1.8}
.acc-item.open .acc-body{max-height:600px;padding-bottom:22px}

/* ---------- Cart ---------- */
.cart-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:64px}
@media(max-width:900px){.cart-wrap{grid-template-columns:1fr}}
.cart-list{border-top:1px solid var(--line)}
.cart-row{
  display:grid;grid-template-columns:120px 1fr auto;gap:24px;
  padding:24px 0;border-bottom:1px solid var(--line);align-items:center;
}
.cart-row .thumb{width:120px;height:120px;background:var(--cream);overflow:hidden}
.cart-row .thumb img{width:100%;height:100%;object-fit:cover}
.cart-row .info h4{font-family:var(--serif);font-size:20px;margin-bottom:4px}
.cart-row .info .vc{font-size:12px;color:var(--stone);letter-spacing:.06em;margin-bottom:8px}
.cart-row .info .price{font-size:16px;color:var(--ink)}
.cart-row .actions{display:flex;flex-direction:column;align-items:flex-end;gap:14px}
.cart-row .remove{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--stone);cursor:pointer;background:none;border:0;padding:0}
.cart-row .remove:hover{color:var(--crimson)}

.summary{border:1px solid var(--line);padding:36px;background:#fff;height:fit-content;position:sticky;top:120px}
.summary h3{margin-bottom:24px;font-size:22px}
.sum-row{display:flex;justify-content:space-between;padding:10px 0;font-size:14px;color:var(--ink-soft)}
.sum-row.total{border-top:1px solid var(--line);padding-top:18px;margin-top:14px;font-size:20px;color:var(--ink);font-family:var(--serif)}
.summary .btn{margin-top:24px}
.summary .reass{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--stone);text-align:center;margin-top:18px}

.empty{text-align:center;padding:96px 32px}
.empty h2{margin-bottom:14px}
.empty p{color:var(--stone);margin-bottom:32px}

/* ---------- Forms / checkout ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-grid .full{grid-column:1 / -1}
.field label{display:block;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--stone);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border:1px solid var(--line);
  background:#fff;font-size:14px;outline:none;transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink)}
.checkout-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:start}
@media(max-width:900px){.checkout-grid{grid-template-columns:1fr}}
.section-title{
  font-family:var(--serif);font-size:24px;margin-bottom:24px;
  border-bottom:1px solid var(--line);padding-bottom:14px;
}
.pay-options{display:grid;gap:10px;margin-bottom:24px}
.pay-options label{
  display:flex;align-items:center;gap:14px;padding:16px 18px;
  border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13px;
}
.pay-options label input{accent-color:var(--ink)}

/* ---------- About / craftsmanship long-form ---------- */
.long{max-width:760px;margin:0 auto;padding:0 32px}
.long p{margin-bottom:22px;font-size:16px;line-height:1.85;color:var(--ink-soft)}
.long h2{margin:48px 0 18px}
.long h3{margin:36px 0 12px}
.long blockquote{
  border-left:2px solid var(--crimson);
  padding:8px 0 8px 28px;margin:36px 0;
  font-family:var(--serif);font-size:22px;line-height:1.5;color:var(--ink);
}
.long figure{margin:36px 0}
.long figcaption{font-size:12px;letter-spacing:.06em;color:var(--stone);margin-top:10px;text-align:center}
.timeline{display:grid;gap:32px;margin:48px 0;border-left:1px solid var(--line);padding-left:32px}
.timeline-item{position:relative}
.timeline-item::before{content:"";position:absolute;left:-39px;top:8px;width:11px;height:11px;background:var(--crimson);border-radius:999px}
.timeline-item .yr{font-family:var(--serif);font-size:22px;color:var(--crimson);margin-bottom:4px}
.timeline-item p{font-size:15px;color:var(--ink-soft)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(120%);
  background:var(--ink);color:#fff;padding:14px 28px;
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  z-index:200;transition:transform .35s cubic-bezier(.2,.8,.2,1);
  box-shadow:var(--shadow);
}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ---------- Mobile ---------- */
@media(max-width:760px){
  .nav{grid-template-columns:auto 1fr auto;padding:18px 20px}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--ivory);flex-direction:column;padding:24px;border-bottom:1px solid var(--line);gap:18px}
  .nav-links.open{display:flex}
  .mobile-toggle{display:inline-flex;width:36px;height:36px;align-items:center;justify-content:center}
  .brand{font-size:18px;letter-spacing:.24em}
  .strip{grid-template-columns:repeat(2,1fr);font-size:11px}
  .section,.footer{padding-top:72px;padding-bottom:72px}
  .head{margin-bottom:48px}
  .container{padding:0 20px}
  .hero-inner{padding:120px 20px}
  .grid{gap:28px}
  .pd{padding:32px 0}
}