/* 大頭叔叔選物：五個分類頁＋商品頁共用樣式。每個分類用 body 的 t-xxx 換一套色調 */
:root{
  --pad:clamp(16px,2.4vw,36px);
  --sans:'Jost','Noto Sans TC',system-ui,sans-serif;
  --hdr:72px;
}
/* 沙龍技能：維持首頁的 Byredo 白 */
.t-skills{--bg:#fff;--ink:#151a16;--muted:#6d736e;--line:#e2e2de;--card:#f3f3f1;--accent:#151a16;--btn:#151a16;--btn-ink:#fff;--r:0px;--br:0px;--no:#c9c9c4}
/* 沙龍產品：奶茶色、北歐極簡，圓角柔和 */
.t-products{--bg:#f8f4ef;--ink:#4b3d33;--muted:#8e7f73;--line:#e8ddd1;--card:#efe5d9;--accent:#b8977a;--btn:#6f5a4a;--btn-ink:#fbf7f2;--r:16px;--br:999px;--no:#d6c3ae}
/* 沙龍設備：灰色調、輕工業風，不要太硬 */
.t-equipment{--bg:#efefed;--ink:#2a2d2f;--muted:#767b7e;--line:#d5d6d3;--card:#e3e3e0;--accent:#8b8f91;--btn:#3a3e41;--btn-ink:#f2f2f0;--r:4px;--br:4px;--no:#c3c4c1}
/* 沙龍植栽：綠意 */
.t-plants{--bg:#f2f5ef;--ink:#1f3326;--muted:#64776a;--line:#d8e1d4;--card:#e4ece0;--accent:#4b7a57;--btn:#2f4a36;--btn-ink:#f2f5ef;--r:10px;--br:10px;--no:#b9c7b4}
/* 沙龍木藏：墨綠窯變磚＋原木色 */
.t-wood{--bg:#f5efe6;--ink:#2b2520;--muted:#857767;--line:#e4d9ca;--card:#ece2d4;--accent:#8a6a48;--btn:#24392f;--btn-ink:#efe6d6;--r:2px;--br:2px;--no:#c8b49c}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-size:14px;line-height:1.75;letter-spacing:.03em;color:var(--ink);background:var(--bg,#fff);-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{display:block;max-width:100%}
[hidden]{display:none!important}
.u{font-size:12px;text-transform:uppercase;letter-spacing:.12em}
.muted{color:var(--muted)}

/* 頁首＋分類列 */
.hdr{position:sticky;top:0;z-index:20;height:var(--hdr);display:flex;align-items:center;justify-content:space-between;padding:0 var(--pad);background:var(--bg);border-bottom:1px solid var(--line)}
.logo{position:absolute;left:50%;transform:translateX(-50%);font-weight:500;font-size:20px;letter-spacing:.34em;padding-left:.34em;line-height:1;white-space:nowrap}
.catnav{position:sticky;top:var(--hdr);z-index:19;display:flex;justify-content:center;gap:clamp(18px,3.4vw,52px);padding:0 var(--pad);background:var(--bg);border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.catnav::-webkit-scrollbar{display:none}
.catnav a{position:relative;display:flex;align-items:baseline;gap:7px;padding:15px 0;font-size:13px;letter-spacing:.12em;color:var(--muted);white-space:nowrap;transition:color .3s}
.catnav a span{font-family:Jost,sans-serif;font-size:10px;letter-spacing:.14em}
.catnav a::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.catnav a:hover,.catnav a[aria-current]{color:var(--ink)}
.catnav a[aria-current]::after{transform:scaleX(1)}

/* 分類主視覺 */
.cat-hero{position:relative;overflow:hidden;min-height:clamp(340px,46vh,460px);display:flex;align-items:flex-end;padding:clamp(48px,7vw,96px) var(--pad) clamp(36px,5vw,64px);color:var(--hero-ink,var(--ink));background:var(--hero-bg,var(--bg))}
.cat-hero-in{position:relative;z-index:2;max-width:640px}
.cat-hero .en{font-family:Jost,sans-serif;font-size:12px;letter-spacing:.24em;opacity:.75}
.cat-hero h1{font-weight:300;font-size:clamp(34px,4.6vw,60px);letter-spacing:.16em;line-height:1.25;margin:10px 0 14px}
.cat-hero .lead{font-size:clamp(15px,1.4vw,18px);font-weight:400;letter-spacing:.08em}
.cat-hero .intro{margin-top:10px;font-weight:300;font-size:14px;line-height:1.95;opacity:.82;max-width:520px}
.deco{position:absolute;inset:0;z-index:1;pointer-events:none}

/* 商品格 */
.cat-body{padding:clamp(36px,5vw,64px) var(--pad) clamp(64px,8vw,112px);max-width:1440px;margin:0 auto}
.cat-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px 24px;padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.1em;color:var(--muted)}
.legend{display:flex;flex-wrap:wrap;gap:6px 20px}
.legend span{display:flex;align-items:center;gap:7px}
.legend i{width:7px;height:7px;border-radius:50%;background:var(--btn)}
.legend i.own{background:transparent;border:1px solid var(--ink)}
.items{display:grid;grid-template-columns:repeat(4,1fr);gap:36px 14px}
.it{display:flex;flex-direction:column;gap:12px}
.it-img{position:relative;aspect-ratio:1/1.15;border-radius:var(--r);overflow:hidden;background:var(--img-bg,var(--card));display:flex;align-items:center;justify-content:center;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.it-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.it:hover .it-img{transform:translateY(-4px)}
.it-no{position:relative;font-family:Jost,sans-serif;font-weight:300;font-size:clamp(28px,3vw,42px);letter-spacing:.2em;padding-left:.2em;color:var(--no)}
.it-tag{position:absolute;top:12px;left:12px;z-index:2;background:var(--bg);color:var(--ink);padding:2px 9px;font-size:11px;letter-spacing:.1em;border-radius:var(--br)}
.it-tag.own{background:transparent;border:1px solid currentColor;opacity:.7}
.it-meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.it-meta b{font-weight:400;font-size:14px;letter-spacing:.06em}
.it-meta em{font-style:normal;font-family:Jost,sans-serif;font-size:14px;letter-spacing:.06em;white-space:nowrap}
.it-sub{font-size:12px;letter-spacing:.06em;color:var(--muted);margin-top:-8px}
.it-go{display:flex;justify-content:space-between;align-items:center;padding-top:10px;border-top:1px solid var(--line);font-size:11px;letter-spacing:.14em;color:var(--muted);transition:color .3s}
.it:hover .it-go{color:var(--ink)}

/* 怎麼購買 */
.how{display:grid;grid-template-columns:200px 1fr auto;gap:16px 40px;align-items:center;margin-top:clamp(48px,6vw,80px);padding:28px 32px;background:var(--card);border-radius:var(--r)}
.how b{font-weight:400;font-size:15px;letter-spacing:.12em}
.how p{font-weight:300;font-size:14px}

/* 按鈕 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 32px;background:var(--btn);color:var(--btn-ink);font-size:12px;letter-spacing:.16em;border-radius:var(--br);transition:opacity .3s;white-space:nowrap}
.btn:hover{opacity:.86}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn.off{background:transparent;color:var(--muted);border:1px solid var(--line);cursor:default}
.btn.off:hover{opacity:1}
.btn-full{width:100%}

/* 商品頁 */
.crumb{display:flex;flex-wrap:wrap;gap:8px;padding:22px var(--pad) 0;max-width:1440px;margin:0 auto;font-size:12px;letter-spacing:.08em;color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.crumb i{font-style:normal;opacity:.5}
.pd{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(28px,5vw,88px);align-items:start;padding:24px var(--pad) clamp(56px,7vw,96px);max-width:1440px;margin:0 auto}
.pd .it-img{aspect-ratio:1/1.05;position:sticky;top:calc(var(--hdr) + 64px)}
.pd .it-no{font-size:clamp(48px,6vw,88px)}
.pd-info{padding-top:clamp(0px,2vw,24px)}
.pd-info .it-tag{position:static;display:inline-block;border:1px solid var(--line)}
.pd-info h1{font-weight:300;font-size:clamp(24px,2.6vw,34px);letter-spacing:.12em;line-height:1.45;margin:14px 0 8px}
.pd-cat{font-size:12px;letter-spacing:.12em;color:var(--muted)}
.pd-price{font-family:Jost,'Noto Sans TC',sans-serif;font-size:22px;letter-spacing:.06em;margin-top:18px}
.pd-status{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;letter-spacing:.1em}
.pd-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.pd-desc{margin-top:22px;font-weight:300;font-size:15px;line-height:2}
.pd-specs{margin-top:24px;border-top:1px solid var(--line)}
.pd-specs div{display:grid;grid-template-columns:6em 1fr;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:13px}
.pd-specs dt{color:var(--muted)}
.pd-specs dd{font-weight:300}
.pd-cta{display:flex;flex-direction:column;gap:10px;margin-top:28px}
.pd-note{margin-top:14px;font-size:12px;letter-spacing:.04em;color:var(--muted)}
.more{padding:0 var(--pad) clamp(72px,8vw,120px);max-width:1440px;margin:0 auto}
.more h2{font-weight:300;font-size:clamp(20px,2vw,26px);letter-spacing:.14em;padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid var(--line)}

/* 講義封面（沙龍技能 01） */
.stack{position:relative;width:var(--w,140px);aspect-ratio:1/1.414}
.book,.book-back{position:absolute;inset:0}
.book-back{background:#151a16;transform:translate(15%,3%) rotate(6deg);box-shadow:18px 30px 50px rgba(30,20,10,.22)}
.book{background:#fdfdfb;transform:rotate(-3deg);box-shadow:18px 30px 50px rgba(30,20,10,.26),3px 5px 12px rgba(30,20,10,.12);padding:12% 11%;display:flex;flex-direction:column;color:#151a16;text-align:left;letter-spacing:.04em}
.book::before{content:"";position:absolute;inset:5.5%;border:1.5px solid #151a16;pointer-events:none}
.b-top{font-size:calc(var(--w,140px)*.062);font-weight:500;letter-spacing:.22em;line-height:1.4}
.b-title{font-size:calc(var(--w,140px)*.112);font-weight:700;line-height:1.28;margin-top:5%}
.b-sub{margin-top:auto;border-top:1px solid #151a16;padding-top:6%;font-size:calc(var(--w,140px)*.04);letter-spacing:.12em;line-height:1.5}
.b-brand{font-size:calc(var(--w,140px)*.034);letter-spacing:.3em;color:#6d736e;line-height:1.6}
.it-img .stack{--w:clamp(96px,10vw,140px)}
.pd .it-img .stack{--w:clamp(150px,18vw,260px)}

/* 頁尾 */
.ftr{border-top:1px solid var(--line);padding:28px var(--pad);display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;font-size:11px;letter-spacing:.1em;color:var(--muted)}
.ftr nav{display:flex;gap:18px;flex-wrap:wrap}
.ftr a:hover{color:var(--ink)}

/* ===== 各分類的主視覺與商品底圖 ===== */

/* 01 沙龍技能：白底、細線大字 */
.t-skills .cat-hero{border-bottom:1px solid var(--line)}
.t-skills .deco::after{content:"01";position:absolute;right:var(--pad);bottom:-0.18em;font-family:Jost,sans-serif;font-weight:200;font-size:clamp(160px,24vw,340px);line-height:1;letter-spacing:-.02em;color:transparent;-webkit-text-stroke:1px #dcdcd8}

/* 02 沙龍產品：奶茶色、拱窗與圓形 */
.t-products{--hero-bg:radial-gradient(70% 90% at 85% 20%,#f4ebe0 0%,transparent 60%),linear-gradient(160deg,#efe3d4,#e6d5c2);--img-bg:radial-gradient(60% 50% at 50% 42%,#f6eee4,transparent 70%),linear-gradient(170deg,#f1e7db,#e7d8c7)}
.t-products .deco::before{content:"";position:absolute;right:clamp(40px,12vw,220px);bottom:0;width:clamp(150px,18vw,250px);height:clamp(230px,30vw,380px);border-radius:999px 999px 0 0;background:linear-gradient(180deg,#e2cdb6,#d6bea3)}
.t-products .deco::after{content:"";position:absolute;right:clamp(10px,5vw,90px);top:clamp(40px,8vw,110px);width:clamp(84px,10vw,140px);aspect-ratio:1;border-radius:50%;background:#f6eee5;box-shadow:0 30px 60px rgba(120,90,60,.12)}
.t-products .it-img::before{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:42%;height:58%;border-radius:999px 999px 0 0;background:rgba(214,190,163,.35)}

/* 03 沙龍設備：清水模灰、細格線 */
.t-equipment{--noise:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .09 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");--hero-bg:var(--noise),linear-gradient(rgba(42,45,47,.05) 1px,transparent 1px) 0 0/56px 56px,linear-gradient(90deg,rgba(42,45,47,.05) 1px,transparent 1px) 0 0/56px 56px,linear-gradient(165deg,#dededb,#cfd0cd);--img-bg:var(--noise),linear-gradient(165deg,#e6e6e3,#d9dad7)}
.t-equipment .cat-hero .en::before{content:"";display:inline-block;width:28px;height:1px;background:currentColor;vertical-align:middle;margin-right:12px}
.t-equipment .deco::before{content:"";position:absolute;right:clamp(24px,8vw,140px);top:50%;transform:translateY(-50%);width:clamp(180px,24vw,320px);aspect-ratio:1.6;border-radius:6px;background:linear-gradient(160deg,#c9cac7,#b9bbb8);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 24px 50px rgba(40,44,46,.12)}
.t-equipment .deco::after{content:"EQ — 03";position:absolute;right:clamp(24px,8vw,140px);top:50%;transform:translateY(-50%);width:clamp(180px,24vw,320px);aspect-ratio:1.6;display:flex;align-items:flex-end;justify-content:flex-start;padding:18px 20px;font-family:Jost,sans-serif;font-size:12px;letter-spacing:.3em;color:#6e7274;--bolt:radial-gradient(circle,#9a9d9b 2.5px,transparent 3px);background:var(--bolt) left 10px top 10px/8px 8px no-repeat,var(--bolt) right 10px top 10px/8px 8px no-repeat,var(--bolt) left 10px bottom 10px/8px 8px no-repeat,var(--bolt) right 10px bottom 10px/8px 8px no-repeat}
.t-equipment .it-img::before,.t-equipment .it-img::after{content:"";position:absolute;background:rgba(42,45,47,.12)}
.t-equipment .it-img::before{left:50%;top:18%;bottom:18%;width:1px}
.t-equipment .it-img::after{top:50%;left:18%;right:18%;height:1px}
.t-equipment .it-no{background:var(--card);padding:0 .3em 0 .5em}

/* 04 沙龍植栽：深綠底、葉影 */
.t-plants{--leaf:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><g fill='%23ffffff'><path d='M100 196C72 156 64 104 80 62c9-24 31-24 40 0 16 42 8 94-20 134z'/><path transform='rotate(-40 100 196)' d='M100 196C80 164 74 124 86 94c7-18 21-18 28 0 12 30 6 70-14 102z'/><path transform='rotate(42 100 196)' d='M100 196C82 168 77 134 88 108c6-15 18-15 24 0 11 26 6 60-12 88z'/></g></svg>");--hero-bg:radial-gradient(80% 120% at 90% 0%,#4d6f55 0%,transparent 55%),linear-gradient(160deg,#2f4a37,#22382a);--hero-ink:#eef3ea;--img-bg:linear-gradient(170deg,#e9efe4,#d9e4d3)}
.t-plants .deco::before,.t-plants .deco::after{content:"";position:absolute;background:var(--leaf) center/contain no-repeat;opacity:.09}
.t-plants .deco::before{right:-40px;top:-60px;width:clamp(280px,36vw,520px);aspect-ratio:1;transform:rotate(-24deg)}
.t-plants .deco::after{right:clamp(160px,30vw,520px);bottom:-120px;width:clamp(180px,22vw,320px);aspect-ratio:1;transform:rotate(32deg);opacity:.06}
.t-plants .it-img::before{content:"";position:absolute;right:-18%;top:-14%;width:70%;aspect-ratio:1;background:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200'><g fill='%234b7a57'><path d='M100 196C72 156 64 104 80 62c9-24 31-24 40 0 16 42 8 94-20 134z'/><path transform='rotate(-40 100 196)' d='M100 196C80 164 74 124 86 94c7-18 21-18 28 0 12 30 6 70-14 102z'/><path transform='rotate(42 100 196)' d='M100 196C82 168 77 134 88 108c6-15 18-15 24 0 11 26 6 60-12 88z'/></g></svg>") center/contain no-repeat;opacity:.12;transform:rotate(-30deg)}
.t-plants .cat-bar{color:var(--muted)}

/* 05 沙龍木藏：墨綠窯變磚（磚塊由 shop.js 排出來）＋原木紋 */
.t-wood{--hero-bg:#13211b;--hero-ink:#efe6d6;--img-bg:repeating-radial-gradient(ellipse 140% 90% at 30% 120%,#efe7db 0 9px,#e6dccd 10px 12px,#efe7db 13px 22px)}
.t-wood .cat-hero{min-height:clamp(380px,52vh,520px)}
.t-wood .cat-hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(12,22,17,.82) 0%,rgba(12,22,17,.45) 55%,rgba(12,22,17,.1) 100%),linear-gradient(0deg,rgba(12,22,17,.55),transparent 50%)}
.tiles{position:absolute;inset:-4px;display:flex;flex-direction:column;gap:3px;background:#0f1a15}
.tiles div{display:flex;gap:3px;flex:none;height:var(--th)}
.tiles div:nth-child(even){margin-left:calc(var(--tw) / -2)}
.tiles span{flex:none;width:var(--tw);height:100%;border-radius:2px;background:linear-gradient(155deg,rgba(255,255,255,.18),rgba(255,255,255,0) 34%),radial-gradient(ellipse 46% 70% at var(--hx,40%) var(--hy,40%),rgba(150,190,160,.22),transparent 70%),radial-gradient(ellipse 80% 120% at var(--gx,70%) 110%,rgba(0,0,0,.38),transparent 60%),var(--c);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04),inset 0 -5px 9px rgba(0,0,0,.28),inset 0 2px 3px rgba(255,255,255,.06)}
.t-wood .it-no{color:#bba585}
.t-wood .cat-hero .en{color:#c9b28f;opacity:1}

@media (max-width:900px){
  .items{grid-template-columns:repeat(2,1fr);gap:28px 10px}
  .how{grid-template-columns:1fr;padding:24px 20px}
  .pd{grid-template-columns:1fr}
  .pd .it-img{position:relative;top:0}
  .catnav{justify-content:flex-start}
  .t-products .deco::before{right:-20px;opacity:.7}
  .t-equipment .deco::before,.t-equipment .deco::after{top:auto;bottom:-40px;transform:none;right:-30px;opacity:.6}
}
@media (max-width:600px){
  :root{--hdr:60px}
  .logo{font-size:17px}
  .hdr .u{font-size:11px}
  .cat-hero{min-height:360px}
  .it-meta{flex-direction:column;gap:0}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}