/* TAVAT 台灣總代理 — 共用樣式（子頁沿用首頁設計語言） */
:root{
  --ink:#1c1a17;--ink-soft:#454138;--paper:#fff;--paper-warm:#f6f4f0;--line:#e4e0d8;
  --gold:#9a8438;--gold-deep:#7c6a2c;--footer:#161513;
  --f-display:"Playfair Display","Noto Serif TC",Georgia,serif;
  --f-sans:"Noto Sans TC","PingFang TC",-apple-system,sans-serif;
  --wrap:1180px;--gutter:clamp(20px,5vw,60px)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--f-sans);color:var(--ink-soft);background:var(--paper);font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--f-display);color:var(--ink);font-weight:600;line-height:1.24;letter-spacing:.01em}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);font-weight:600}
.section{padding-block:clamp(52px,8vw,104px)}
.section--tight{padding-block:clamp(38px,6vw,68px)}
.stack>*+*{margin-top:1.1em}
.center{text-align:center}
/* nav */
.topbar{background:var(--ink);color:#e9e5db;font-size:.7rem;letter-spacing:.16em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:12px}
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:22px}
.brand{font-family:var(--f-display);font-size:1.5rem;letter-spacing:.46em;font-weight:600;color:var(--ink);padding-left:.46em}
.brand small{display:block;font-family:var(--f-sans);font-size:.5rem;letter-spacing:.32em;color:var(--gold);margin-top:2px;font-weight:500}
.menu{display:flex;gap:28px;list-style:none;font-size:.82rem;letter-spacing:.14em}
.menu a{color:var(--ink);padding:5px 0;border-bottom:1.5px solid transparent;transition:.2s}
.menu a:hover,.menu a.active{border-color:var(--gold);color:var(--gold-deep)}
.nav-cta{font-size:.76rem;letter-spacing:.12em;border:1.5px solid var(--ink);padding:9px 18px;border-radius:2px;transition:.2s;white-space:nowrap;color:var(--ink)}
.nav-cta:hover{background:var(--ink);color:#fff}
.burger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--ink)}
/* page hero */
.phero{position:relative;min-height:clamp(320px,52vh,520px);display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:#1c1a17}
.phero__bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.66)}
.phero__inner{position:relative;padding-block:clamp(34px,6vw,64px);max-width:720px}
.phero h1{color:#fff;font-size:clamp(2rem,5vw,3.4rem);letter-spacing:.03em}
.phero .eyebrow{color:#e6d9a9}
.phero p{color:rgba(255,255,255,.92);font-size:clamp(1rem,1.5vw,1.18rem);max-width:52ch;margin-top:12px}
.headband{background:var(--paper-warm);border-bottom:1px solid var(--line)}
.headband h1{font-size:clamp(2rem,4vw,3rem)}
.lede{font-size:clamp(1rem,1.5vw,1.16rem);max-width:62ch;margin-top:10px}
/* buttons */
.btn{display:inline-block;font-family:var(--f-sans);font-size:.82rem;letter-spacing:.16em;font-weight:600;padding:14px 32px;border-radius:2px;cursor:pointer;transition:.2s;border:1.5px solid transparent}
.btn--gold{background:var(--gold);color:#fff}.btn--gold:hover{background:var(--gold-deep)}
.btn--ghost{border-color:#fff;color:#fff}.btn--ghost:hover{background:#fff;color:var(--ink)}
.btn--dark{border-color:var(--ink);color:var(--ink)}.btn--dark:hover{background:var(--ink);color:#fff}
/* product grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,34px)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.card__img{aspect-ratio:4/3;overflow:hidden;background:var(--paper-warm);border-radius:3px;display:flex;align-items:center;justify-content:center}
.card__img img{width:100%;height:100%;object-fit:contain;padding:8%;transition:transform .6s}
.card:hover .card__img img{transform:scale(1.04)}
.card h3{font-size:1.1rem;margin:14px 0 3px}
.card p{font-size:.9rem}
.card small{color:var(--gold-deep);letter-spacing:.14em;font-size:.72rem;text-transform:uppercase}
/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.split img{border-radius:4px;aspect-ratio:3/2;object-fit:contain;width:100%;background:var(--paper-warm);padding:6%}
.split img.cover{object-fit:cover;padding:0;background:none;aspect-ratio:4/5}
.split h2{font-size:clamp(1.6rem,3.2vw,2.4rem)}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.5vw,28px);counter-reset:s}
.step{padding:26px 22px;border:1px solid var(--line);border-radius:4px;background:#fff}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--f-display);font-size:1.7rem;color:var(--gold);display:block;margin-bottom:10px}
.step h3{font-size:1.05rem;margin-bottom:6px}.step p{font-size:.9rem}
/* panel / kv / note */
.panel{background:var(--paper-warm);border:1px solid var(--line);border-radius:6px;padding:clamp(22px,4vw,38px)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 22px;font-size:.96rem}
.kv dt{color:var(--gold-deep);font-weight:600;white-space:nowrap}.kv dd{color:var(--ink)}
.note{font-size:.9rem;padding:12px 16px;border-left:3px solid var(--gold);background:var(--paper-warm);border-radius:0 4px 4px 0}
/* band */
.band{background:var(--ink);color:#e9e5db;text-align:center}
.band h2{color:#fff}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,4vw,48px);margin-top:34px}
.cols3 h3{color:var(--gold);font-family:var(--f-sans);font-size:.86rem;letter-spacing:.2em;margin-bottom:8px;text-transform:uppercase}
.cols3 p{font-size:.95rem;color:#cfc9bc}
.story{background:var(--paper-warm)}
/* 文章內文 */
.article-body{max-width:720px;margin:0 auto}
.article-body h2{font-size:clamp(1.3rem,2.4vw,1.7rem);margin:1.6em 0 .5em;padding-top:.2em}
.article-body h2:first-child{margin-top:0}
.article-body p{margin-bottom:1.1em;color:var(--ink-soft);font-size:1.04rem;line-height:1.95}
/* 麵包屑 */
.crumbs{border-bottom:1px solid var(--line);font-size:.8rem;letter-spacing:.04em}
.crumbs .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-block:12px;color:var(--ink-soft)}
.crumbs a{color:var(--ink-soft)}.crumbs a:hover{color:var(--gold-deep)}
.crumbs .sep{color:var(--line);font-size:.9rem}
.crumbs [aria-current]{color:var(--gold-deep);font-weight:600}
/* 探索其他系列 */
.xnav{background:var(--paper-warm);border-top:1px solid var(--line)}
.xgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2.5vw,24px)}
.xtile{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:5px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.xtile:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(28,26,23,.12)}
.xtile__img{aspect-ratio:4/3;overflow:hidden;background:var(--paper-warm);display:flex;align-items:center;justify-content:center}
.xtile__img img{width:100%;height:100%;transition:transform .6s}
.xtile:hover .xtile__img img{transform:scale(1.05)}
.xtile--cover .xtile__img img{object-fit:cover}
.xtile--contain .xtile__img img{object-fit:contain;padding:9%}
.xtile__t{padding:18px 20px 22px;display:flex;flex-direction:column;gap:3px}
.xtile__t b{font-family:var(--f-display);font-size:1.2rem;color:var(--ink);letter-spacing:.04em}
.xtile__t>span{font-size:.68rem;letter-spacing:.2em;color:var(--gold);text-transform:uppercase}
.xtile__t em{font-style:normal;font-size:.82rem;color:var(--ink-soft);margin-top:8px;letter-spacing:.06em}
.xtile:hover .xtile__t em{color:var(--gold-deep)}
.xtile--all{justify-content:center;background:var(--ink);border-color:var(--ink)}
.xtile--all .xtile__t{padding:clamp(28px,5vw,44px) 24px}
.xtile--all .xtile__t b{color:#fff}.xtile--all .xtile__t em{color:#cfc9bc}
@media(max-width:720px){.xgrid{grid-template-columns:1fr}}
/* footer */
.footer{background:var(--footer);color:#b7b2a8;padding-block:clamp(48px,7vw,84px);font-size:.9rem}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(22px,4vw,46px)}
.footer h4{color:#efe9dc;font-family:var(--f-sans);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:14px}
.footer a{color:#b7b2a8;line-height:2.1}.footer a:hover{color:var(--gold)}
.footer__legal{border-top:1px solid #2c2a26;margin-top:40px;padding-top:22px;font-size:.78rem;color:#7d786d;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.badge{display:inline-block;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);border:1px solid var(--gold);border-radius:2px;padding:4px 10px;margin-bottom:14px}
/* reveal */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .9s ease,transform .9s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1!important;transform:none!important}}
@media(max-width:820px){
  .menu,.nav-cta{display:none}.burger{display:block}
  .menu.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:14px var(--gutter);gap:4px}
  .menu.open a{padding:10px 0}
  .split,.grid2{grid-template-columns:1fr}.grid3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}.cols3{grid-template-columns:1fr}.footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){.grid3{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.footer .cols{grid-template-columns:1fr}}