:root{
  --bg:#1c140d; --bg2:#261b11; --bg3:#33251a; --ink:#efe3c8; --soft:#c9b791; --muted:#9a8766;
  --gold:#bf9b4d; --gold2:#e2c483; --cream:#ecd9a6; --red:#e04642; --line:rgba(191,155,77,.28);
  --serif:"Cormorant Garamond",Georgia,serif; --sans:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
html[lang^="zh"]{--serif:"Noto Serif TC","Cormorant Garamond",serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.narrow{max-width:780px}
.muted{color:var(--muted)}
.center{text-align:center}
a{color:var(--gold2)}
button{font:inherit;cursor:pointer}
img{max-width:100%;display:block}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(28,20,13,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none;min-width:0;margin-right:auto}
.logo img{border-radius:50%;flex:none;box-shadow:0 0 0 1px var(--line)}
.logo span{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo b{font-family:"Cormorant Garamond",serif;font-size:21px;color:var(--cream);letter-spacing:.02em;white-space:nowrap}
.logo small{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu{display:flex;gap:4px}
.menu a{color:var(--soft);text-decoration:none;font-size:15px;padding:8px 12px;border-radius:8px}
.menu a.on{color:var(--cream);background:var(--bg3)}
.langs{display:flex;gap:2px;flex:none}
.langs a{padding:5px 8px;border-radius:6px;font-size:13px;font-weight:600;color:var(--muted);text-decoration:none}
.langs a.on{background:var(--gold);color:var(--bg)}

/* buttons */
.btn{display:inline-block;border:0;background:var(--gold);color:#1c140d;font-weight:600;border-radius:10px;padding:12px 20px;font-size:16px;text-decoration:none;transition:background .15s}
.btn:hover{background:var(--gold2)}
.btn-big{padding:15px 30px;font-size:17px}
.btn[disabled]{background:#4a3b2a;color:#8f7d60;cursor:default}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--bg) url(hero-globe.jpg) right center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,20,13,.97) 0%,rgba(28,20,13,.85) 38%,rgba(28,20,13,.25) 70%,rgba(28,20,13,.35) 100%),linear-gradient(0deg,var(--bg) 0%,transparent 22%)}
.hero-in{position:relative}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding-top:56px;padding-bottom:64px}
.kicker{color:var(--gold);text-transform:uppercase;letter-spacing:.18em;font-size:13px;margin:0 0 10px}
.hero h1{font-family:var(--serif);font-weight:700;color:var(--cream);font-size:clamp(38px,5.4vw,64px);line-height:1.05;margin:0 0 18px}
.hero-sub{font-size:19px;color:var(--soft);margin:0 0 28px;max-width:520px}
.meta{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:15px}
.meta li:before{content:"✦";color:var(--gold);margin-right:6px}
.fan{position:relative;height:440px}
.fan img{position:absolute;width:52%;top:50%;left:50%;border-radius:3px;box-shadow:0 24px 50px -12px rgba(0,0,0,.7)}
.fan img:nth-child(1){transform:translate(-95%,-50%) rotate(-9deg)}
.fan img:nth-child(2){transform:translate(-5%,-52%) rotate(8deg)}
.fan img:nth-child(3){transform:translate(-50%,-48%);z-index:2}

/* sections */
.sec{padding:64px 0}
.sec-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.h2{font-family:var(--serif);color:var(--cream);font-size:clamp(30px,4vw,42px);font-weight:700;text-align:center;margin:0 0 36px;line-height:1.1}
.h2:after{content:"";display:block;width:60px;height:1px;background:var(--gold);margin:16px auto 0}

.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.use{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:22px 20px}
.use svg{width:40px;height:40px;stroke:var(--gold);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.use h3{font-family:var(--serif);font-size:24px;color:var(--cream);margin:10px 0 4px}
.use p{margin:0;color:var(--soft);font-size:16px}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s}
.steps li{counter-increment:s;text-align:center;padding:0 6px}
.steps li:before{content:counter(s);display:flex;align-items:center;justify-content:center;width:52px;height:52px;margin:0 auto 12px;border:1.5px solid var(--gold);border-radius:50%;font-family:var(--serif);font-size:26px;font-weight:700;color:var(--gold2)}
.steps b{display:block;color:var(--cream);font-size:17px;margin-bottom:4px}
.steps span{color:var(--soft);font-size:15px}

.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.spec{text-align:center;border:1px solid var(--line);border-radius:14px;padding:20px 12px}
.spec b{display:block;font-family:var(--serif);font-size:28px;color:var(--gold2);line-height:1.1;margin-bottom:6px}
.spec span{color:var(--soft);font-size:15px}
.print2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.print2 div{background:var(--bg2);border-radius:14px;padding:22px}
.print2 h3{font-family:var(--serif);font-size:26px;color:var(--cream);margin:0 0 6px}
.print2 p{margin:0;color:var(--soft)}

.cat-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px}
.cat-tile{display:flex;gap:14px;align-items:center;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:14px;text-decoration:none;color:inherit;transition:border-color .15s,transform .15s}
.cat-tile:hover{border-color:var(--gold);transform:translateY(-2px)}
.cat-tile img{width:62px;flex:none;border-radius:2px;box-shadow:0 6px 14px rgba(0,0,0,.5)}
.cat-tile h3{font-family:var(--serif);font-size:22px;color:var(--cream);margin:0;line-height:1.1}
.cat-tile p{margin:4px 0 0;color:var(--soft);font-size:14px;line-height:1.4}
.cat-tile small{color:var(--gold);font-size:13px}

.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:600;color:var(--cream);list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--gold);font-size:22px;line-height:1}
.faq details[open] summary:after{content:"−"}
.faq p{margin:10px 0 0;color:var(--soft)}

/* top */
.sub{color:var(--soft);margin:-18px auto 30px;max-width:560px}
.tops{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.top-card{position:relative;text-decoration:none;color:inherit}
.top-card img{width:100%;height:auto;aspect-ratio:2/3;border-radius:3px;box-shadow:0 18px 36px -14px rgba(0,0,0,.85);transition:transform .2s}
.top-card:hover img{transform:translateY(-4px)}
.badge{display:block;text-align:center;margin-top:12px;color:var(--gold2);font-size:15px;font-weight:600}
.top-card .rank{position:absolute;top:-14px;right:-8px;width:40px;height:40px;border-radius:50%;background:var(--gold);color:var(--bg);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:22px;box-shadow:0 4px 10px rgba(0,0,0,.5)}

/* catalog */
.cat-head{position:relative;padding-top:60px;padding-bottom:56px;text-align:center}
.cat-head p{color:var(--soft);font-size:18px;max-width:640px;margin:0 auto}
.hero-small{background-position:center 40%}
.hero-small:before{background:linear-gradient(90deg,rgba(28,20,13,.92) 0%,rgba(28,20,13,.6) 50%,rgba(28,20,13,.92) 100%),linear-gradient(0deg,var(--bg) 0%,transparent 35%)}
.cat-head h1{font-family:var(--serif);color:var(--cream);font-size:clamp(34px,5vw,50px);margin:0 0 6px}
.cats{position:sticky;top:64px;z-index:15;background:var(--bg);border-bottom:1px solid var(--line);padding:12px 16px;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;justify-content:safe center;margin-top:0}
.cats::-webkit-scrollbar{display:none}
.cats button{flex:none;border:1px solid var(--line);background:var(--bg2);color:var(--ink);border-radius:999px;padding:8px 15px;font-size:15px}
.cats button.on{background:var(--gold);border-color:var(--gold);color:var(--bg)}
.cats i{font-style:normal;opacity:.6;margin-left:4px}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;padding:26px 0 130px}
.card{display:flex;flex-direction:column}
.card .img{position:relative;border-radius:3px;overflow:hidden;cursor:zoom-in;box-shadow:0 14px 30px -14px rgba(0,0,0,.8);outline:3px solid transparent;outline-offset:3px;transition:outline-color .15s}
.card.sel .img{outline-color:var(--gold)}
.card .img img{width:100%;height:auto;aspect-ratio:2/3;object-fit:cover;background:#f6f1e6}
.card .chk{position:absolute;top:8px;right:8px;width:30px;height:30px;border-radius:50%;background:var(--gold);color:var(--bg);display:none;align-items:center;justify-content:center;font-weight:700}
.card.sel .chk{display:flex}
.card-foot{display:flex;align-items:center;gap:8px;padding-top:10px}
.card-foot .n{color:var(--muted);font-size:14px;white-space:nowrap}
.card-foot .tag,.add{white-space:nowrap}
.card .tag{position:absolute;left:8px;bottom:8px;font-size:12px;color:var(--cream);background:rgba(18,12,7,.85);border-radius:999px;padding:2px 9px}
.add{margin-left:auto;border:1px solid var(--gold);background:transparent;color:var(--gold2);border-radius:8px;padding:7px 14px;font-weight:600;font-size:14px}
.card.sel .add{background:var(--gold);color:var(--bg)}

/* bottom bar */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#120c07;border-top:1px solid var(--gold);box-shadow:0 -10px 30px rgba(0,0,0,.5)}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;padding-bottom:12px}
.bar-txt{display:flex;flex-direction:column;line-height:1.3}
.bar-txt b{color:var(--cream)}
.bar-txt span{font-size:13px;color:var(--muted)}

/* dialog */
dialog{border:1px solid var(--line);border-radius:16px;padding:28px 22px 22px;max-width:440px;width:calc(100% - 32px);background:var(--bg2);color:var(--ink)}
dialog.zoom{max-width:520px;padding:16px}
dialog::backdrop{background:rgba(0,0,0,.72)}
.dlg-close{position:absolute;top:4px;right:8px;margin:0;z-index:2}
.dlg-close button{border:0;background:none;font-size:30px;line-height:1;color:var(--soft)}
dialog h2{font-family:var(--serif);color:var(--cream);font-size:30px;margin:0 0 14px}
.zoom img{width:100%;border-radius:3px;max-height:75vh;object-fit:contain}
.zoom .btn{width:100%;margin-top:12px}
.row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);font-size:15px}
.row span:first-child{color:var(--muted)}
.row span:last-child{text-align:right;word-break:break-word}
.nums{font-size:13px;color:var(--muted);margin:6px 0 14px;word-break:break-word}
label{display:block;font-size:14px;margin:16px 0 6px;color:var(--soft)}
input[type=email]{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--bg);color:var(--ink)}
.err{color:var(--red);font-size:13px;min-height:18px;margin:4px 0}
dialog .btn{width:100%;margin-top:6px;text-align:center}
.note{font-size:13px;color:var(--muted);margin:12px 0 0}
.warn{background:rgba(224,70,66,.12);border:1px solid rgba(224,70,66,.4);border-radius:8px;padding:10px;font-size:13px;margin:0 0 12px}
.qr{display:flex;justify-content:center;margin:6px 0 12px}
.qr img{width:220px;height:220px;image-rendering:pixelated;border-radius:6px}
.code{font-family:ui-monospace,Consolas,monospace;font-weight:700}
.btn-link{margin:0 0 10px}

.foot{padding:40px 0 120px;text-align:center;font-size:15px;border-top:1px solid var(--line);color:var(--soft)}
.foot p{margin:6px 0}
.foot a{margin:0 6px}

@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;text-align:center;padding-top:36px}
  .hero{background-position:center bottom}
  .hero:before{background:linear-gradient(180deg,rgba(28,20,13,.9) 0%,rgba(28,20,13,.75) 45%,rgba(28,20,13,.3) 75%,var(--bg) 100%)}
  .hero-sub{margin-left:auto;margin-right:auto}
  .meta{justify-content:center}
  .fan{height:360px;max-width:460px;width:100%;margin:0 auto}
  .uses{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:18px;max-width:420px;margin:0 auto}
  .steps li{display:grid;grid-template-columns:52px 1fr;gap:4px 14px;text-align:left;align-items:center}
  .steps li:before{grid-row:span 2;margin:0}
  .specs{grid-template-columns:repeat(2,1fr)}
  .cat-tiles{grid-template-columns:repeat(2,1fr)}
  .tops{grid-template-columns:repeat(2,1fr);gap:26px 16px}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .menu a{padding:6px 8px;font-size:14px}
}
@media (max-width:640px){
  body{font-size:16px}
  .top-in{height:auto;flex-wrap:wrap;gap:6px 10px;padding-top:8px;padding-bottom:8px}
  .logo small{display:none}
  .logo b{font-size:18px}
  .menu{order:3;width:100%;justify-content:center}
  .langs a{padding:4px 5px;font-size:12px}
  .cats{top:96px}
  .sec{padding:44px 0}
  .uses,.print2,.cat-tiles{grid-template-columns:1fr}
  .fan{height:300px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .add{padding:6px 10px;font-size:13px}
}
@media (max-width:400px){.logo span{display:none}.logo{margin-right:auto}}