/* ============================================================
   宸鑫車業 CHENXIN MOTO — 黑金風格樣式
   ============================================================ */

:root{
  --black:#0a0a0b;
  --ink:#111114;
  --panel:#16161a;
  --gold:#c9a24b;
  --gold-bright:#e8c86e;
  --gold-dim:#8a7333;
  --line:rgba(201,162,75,.22);
  --paper:#f3ede0;
  --muted:#9a958a;
  --red:#c0563f;
  --serif:"Cormorant Garamond",serif;
  --serif-tc:"Noto Serif TC",serif;
  --sans:"Inter","Noto Serif TC",sans-serif;
  --mono:"JetBrains Mono",monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
.hidden{display:none!important}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  background:var(--black);color:var(--paper);
  font-family:var(--sans);font-weight:300;line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--gold);color:var(--black)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.35em;
  text-transform:uppercase;color:var(--gold);font-weight:400;
}

/* ---------- HEADER ---------- */
#site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,10,11,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);transition:box-shadow .3s;
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:14px}
.crest{
  width:40px;height:40px;border:1px solid var(--gold);border-radius:50%;
  display:grid;place-items:center;font-family:var(--serif-tc);font-weight:900;
  color:var(--gold);font-size:1.1rem;flex-shrink:0;
}
.crest-img{
  width:44px;height:44px;flex-shrink:0;
  border-radius:50%;               /* 外框變圓 */
  object-fit:cover;                /* 方圖填滿不變形 */
  border:1px solid var(--gold);    /* 金色圓框 */
  padding:2px;                     /* 圖與框間留白 */
  background:#0a0a0b;              /* 框內底色 */
}
.foot-brand .crest-img{margin-bottom:18px}
.brand b{font-family:var(--serif-tc);font-weight:700;font-size:1.15rem;letter-spacing:.12em;color:var(--paper)}
.brand span{display:block;font-family:var(--mono);font-size:.58rem;letter-spacing:.3em;color:var(--muted)}
nav ul{list-style:none;display:flex;gap:32px;align-items:center}
nav ul a{font-size:.86rem;letter-spacing:.05em;color:#cfcabf;transition:color .2s;position:relative;padding:4px 0}
nav ul a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);transition:width .25s}
nav ul a:hover{color:var(--gold-bright)}
nav ul a:hover::after{width:100%}
.cta-line{
  padding:10px 22px;border:1px solid var(--gold);color:var(--gold);
  font-family:var(--mono);font-size:.74rem;letter-spacing:.15em;transition:.25s;
}
.cta-line:hover{background:var(--gold);color:var(--black)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0}
.burger span{width:26px;height:2px;background:var(--gold);transition:.3s}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:76px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 78% 20%,rgba(201,162,75,.14),transparent 55%),
    radial-gradient(80% 80% at 15% 90%,rgba(201,162,75,.06),transparent 60%),
    linear-gradient(180deg,#0a0a0b,#141013 60%,#0a0a0b);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:80px 80px;-webkit-mask-image:radial-gradient(70% 60% at 70% 40%,#000,transparent 75%);mask-image:radial-gradient(70% 60% at 70% 40%,#000,transparent 75%);
}
.hero .wrap{position:relative;z-index:2;width:100%}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero-grid-solo{grid-template-columns:1fr;text-align:center}
.hero-grid-solo .hero-copy{max-width:760px;margin:0 auto}
.hero-grid-solo .hero-actions{justify-content:center}
.hero-copy .eyebrow{display:inline-block;margin-bottom:26px;opacity:0;animation:rise .8s .1s forwards}
.hero h1{
  font-family:var(--serif-tc);font-weight:900;line-height:1.08;
  font-size:clamp(2.7rem,6vw,5rem);letter-spacing:.02em;margin-bottom:8px;
}
.hero h1 .en{
  display:block;font-family:var(--serif);font-weight:500;font-style:italic;
  font-size:clamp(1.4rem,3vw,2.4rem);letter-spacing:.06em;margin-top:14px;
  background:linear-gradient(100deg,var(--gold-dim),var(--gold-bright),var(--gold-dim));
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmer 6s linear infinite;
}
@keyframes shimmer{to{background-position:200% center}}
.hero h1 .l{display:block;opacity:0;animation:rise .9s forwards}
.hero h1 .l:nth-child(1){animation-delay:.2s}
.hero h1 .l:nth-child(2){animation-delay:.35s}
.hero p.lead{
  max-width:440px;color:#c4bfb4;font-size:1.02rem;margin:30px 0 38px;
  opacity:0;animation:rise .9s .55s forwards;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;opacity:0;animation:rise .9s .7s forwards}
.btn-gold{
  padding:15px 34px;background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:#1a1408;font-weight:600;font-family:var(--serif-tc);letter-spacing:.08em;
  border:0;cursor:pointer;transition:.25s;box-shadow:0 8px 30px -12px rgba(201,162,75,.7);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 40px -12px rgba(201,162,75,.9)}
.btn-ghost{padding:15px 34px;background:none;border:1px solid var(--line);color:var(--paper);font-family:var(--serif-tc);letter-spacing:.08em;transition:.25s;cursor:pointer}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-bright)}
.btn-ghost.small{padding:10px 20px;font-size:.8rem}

.hero-card{
  position:relative;border:1px solid var(--line);background:linear-gradient(160deg,#17140d,#0d0d0f);
  padding:6px;opacity:0;animation:rise 1s .5s forwards;
}
.hero-card .inner{border:1px solid rgba(201,162,75,.14);padding:30px 32px}
.hero-card .tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.25em;color:var(--gold);text-transform:uppercase}
.hero-car{font-family:var(--serif-tc);font-weight:700;font-size:1.9rem;margin:14px 0 4px;line-height:1.2}
.hero-car small{display:block;font-family:var(--serif);font-style:italic;color:var(--muted);font-size:1rem;font-weight:400}
.hero-spec{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);margin:26px 0;border:1px solid var(--line)}
.hero-spec div{background:var(--ink);padding:14px 16px}
.hero-spec dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.hero-spec dd{font-family:var(--serif-tc);font-weight:600;font-size:1.15rem;color:var(--paper);margin-top:4px}
.hero-price{display:flex;align-items:baseline;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px}
.hero-price .p{font-family:var(--serif);font-size:2.1rem;color:var(--gold-bright);font-weight:600}
.hero-price .p small{font-size:.9rem;color:var(--muted);font-family:var(--mono);margin-left:6px}

@keyframes rise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}

/* ---------- MARQUEE ---------- */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--ink);overflow:hidden;padding:18px 0}
.marquee-track{display:flex;gap:60px;white-space:nowrap;animation:scroll 32s linear infinite;font-family:var(--serif);font-style:italic;font-size:1.3rem;color:var(--gold-dim)}
.marquee-track span{display:flex;align-items:center;gap:60px}
.marquee-track b{color:var(--gold);font-weight:600;font-style:normal;font-family:var(--serif-tc);font-size:1.1rem}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- SECTIONS ---------- */
section{padding:110px 0}
.sec-head{text-align:center;margin-bottom:64px}
.sec-head .eyebrow{display:block;margin-bottom:18px}
.sec-head h2{font-family:var(--serif-tc);font-weight:700;font-size:clamp(2rem,4vw,3rem);letter-spacing:.03em}
.sec-head h2 .en{display:block;font-family:var(--serif);font-style:italic;font-weight:500;color:var(--gold);font-size:.5em;margin-top:6px;letter-spacing:.1em}

/* ---------- INVENTORY ---------- */
.inv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.car{border:1px solid var(--line);background:linear-gradient(165deg,#141319,#0c0c0e);transition:.3s;position:relative;overflow:hidden}
.car::before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);transform:scaleX(0);transition:transform .4s}
.car:hover{transform:translateY(-6px);border-color:var(--gold-dim)}
.car:hover::before{transform:scaleX(1)}
.car-img{aspect-ratio:16/11;position:relative;display:grid;place-items:center;background:radial-gradient(circle at 50% 40%,#22201a,#0a0a0b)}
.car-img .badge{position:absolute;top:14px;left:14px;z-index:2;font-family:var(--mono);font-size:.6rem;letter-spacing:.18em;padding:5px 10px;background:rgba(10,10,11,.75);border:1px solid var(--line);color:var(--gold);text-transform:uppercase}
.car-img svg{width:74%;height:auto;opacity:.92}
.car-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.used-sec{background:linear-gradient(180deg,#0c0b09,#0a0a0b)}
.inv-grid .empty{grid-column:1/-1;text-align:center;color:var(--muted);font-family:var(--mono);font-size:.85rem;padding:40px 0}
.car-body h3 em{font-style:normal;font-family:var(--serif);font-weight:500;color:var(--gold);font-size:.85em}
.car-body{padding:24px 24px 26px}
.car-body .marque{font-family:var(--mono);font-size:.64rem;letter-spacing:.24em;color:var(--muted);text-transform:uppercase}
.car-body h3{font-family:var(--serif-tc);font-weight:600;font-size:1.35rem;margin:8px 0 16px;color:var(--paper)}
.car-meta{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:.7rem;color:var(--muted);margin-bottom:20px}
.car-meta span{display:flex;align-items:center;gap:6px}
.car-meta i{width:4px;height:4px;background:var(--gold);border-radius:50%;display:inline-block}
.car-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px}
.car-foot .price{font-family:var(--serif);font-size:1.6rem;color:var(--gold-bright);font-weight:600}
.car-foot .price small{font-size:.8rem;color:var(--muted)}
.car-foot a{font-family:var(--mono);font-size:.68rem;letter-spacing:.15em;color:var(--gold);border-bottom:1px solid var(--line);padding-bottom:2px;transition:.2s}
.car-foot a:hover{color:var(--gold-bright);border-color:var(--gold)}
.part-cart-btn{width:100%;margin-top:16px;padding:11px;font-size:.82rem;cursor:pointer}
.part-cart-btn:disabled{opacity:.45;cursor:default;border-color:var(--muted);color:var(--muted)}

.car-img .badge.stock-badge{left:auto;right:14px;color:var(--muted);border-color:var(--muted)}

/* 改裝品分類篩選 */
.cat-filter{display:flex;gap:2px;flex-wrap:wrap;justify-content:center;border:1px solid var(--line);width:fit-content;margin:0 auto 44px}

/* ---------- 車輛/改裝品頁的篩選列 ---------- */
.filter-bar{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;align-items:center;margin-bottom:12px}
.filter-group{display:flex;gap:2px;border:1px solid var(--line)}
.filter-group button{background:var(--ink);border:0;color:var(--muted);font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;padding:10px 18px;transition:.2s}
.filter-group button:hover{color:var(--paper)}
.filter-group button.on{background:var(--gold);color:var(--black)}
.filter-bar select{background:var(--ink);border:1px solid var(--line);color:var(--paper);font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;padding:10px 16px;cursor:pointer}
.filter-bar select:focus{outline:none;border-color:var(--gold)}
.fleet-count{text-align:center;font-family:var(--mono);font-size:.74rem;color:var(--muted);margin-bottom:30px}
@media(max-width:640px){.filter-bar{gap:10px}.filter-bar select{flex:1;min-width:140px}}
.cat-filter button{background:var(--ink);border:0;color:var(--muted);font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;padding:10px 18px;transition:.2s}
.cat-filter button:hover{color:var(--paper)}
.cat-filter button.on{background:var(--gold);color:var(--black)}

.car-img-link{display:block}

/* ---------- 前台 Toast ---------- */
.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;
  background:var(--gold);color:var(--black);font-family:var(--serif-tc);font-weight:600;letter-spacing:.05em;
  padding:13px 28px;transition:.3s;z-index:200}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 購物車圖示 ---------- */
.cart-link{position:relative;display:inline-flex;align-items:center;color:var(--gold);font-size:1.25rem;line-height:1;margin-left:6px;transition:.2s}
.cart-link:hover{color:var(--gold-bright)}
.cart-badge{position:absolute;top:-8px;right:-11px;background:var(--gold);color:var(--black);font-family:var(--mono);font-size:.62rem;font-weight:600;border-radius:10px;padding:1px 6px;min-width:16px;text-align:center;line-height:1.4}
.cart-badge.hidden{display:none}

.member-link{font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;color:var(--gold);white-space:nowrap;transition:.2s;margin-left:4px}
.member-link:hover{color:var(--gold-bright)}
@media(max-width:480px){.member-link{font-size:.62rem}}

/* ---------- 登入/註冊頁 ---------- */
.auth-wrap{max-width:480px}
.auth-tabs{display:flex;border:1px solid var(--line);margin-bottom:32px}
.auth-tabs button{flex:1;background:var(--ink);border:0;color:var(--muted);font-family:var(--mono);font-size:.78rem;letter-spacing:.1em;padding:13px;transition:.2s}
.auth-tabs button.on{background:var(--gold);color:var(--black)}
.oauth-buttons{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.oauth-btn{display:flex;align-items:center;justify-content:center;gap:10px;text-decoration:none}
.oauth-btn svg{flex-shrink:0}
.oauth-item-label{display:flex;align-items:center;gap:10px}
.oauth-item-label svg{flex-shrink:0}
.auth-form.hidden{display:none}

/* ---------- 會員中心頁 ---------- */
.acc-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:40px;flex-wrap:wrap}
.acc-head .cart-h1{margin-bottom:6px}
.acc-phone{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.acc-section{border-top:1px solid var(--line);padding-top:28px;margin-bottom:40px}
.acc-list{display:flex;flex-direction:column;gap:10px}
.acc-empty{color:var(--muted);font-family:var(--mono);font-size:.82rem}
.acc-empty a{color:var(--gold);text-decoration:underline}
.acc-item{display:flex;justify-content:space-between;align-items:center;gap:14px;border:1px solid var(--line);padding:14px 16px}
.acc-item b{font-family:var(--serif-tc);font-size:.94rem;color:var(--paper)}
.acc-item small{display:block;color:var(--muted);font-size:.76rem;margin-top:4px;line-height:1.6}
.acc-item-price{font-family:var(--serif);font-size:1rem;color:var(--gold-bright);font-weight:600;white-space:nowrap}
.acc-item-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.acc-cancel-btn{background:none;border:1px solid var(--red);color:var(--red);font-family:var(--mono);font-size:.7rem;letter-spacing:.05em;padding:5px 12px;cursor:pointer;transition:.2s;white-space:nowrap}
.acc-cancel-btn:hover{background:var(--red);color:#fff}

/* ---------- 生日下拉選單 ---------- */
.birthday-select{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:10px}
.birthday-select select{background:var(--black);border:1px solid var(--line);color:var(--paper);padding:11px 10px;font-family:var(--sans);font-size:.9rem}
.birthday-select select:focus{outline:none;border-color:var(--gold)}

/* ---------- 會員中心：子標題、我的車輛、新增車輛表單 ---------- */
.acc-sub{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.02em;text-transform:none;color:var(--muted);margin-top:6px;font-weight:400}
.acc-inline-form{margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.acc-inline-form button[type="submit"]{width:100%;margin-top:4px}
.acc-vehicle-link{flex:1;display:block;min-width:0}
.acc-vehicle-link b,.acc-vehicle-link small{display:block}
.acc-vehicle-link:hover b{color:var(--gold-bright)}

/* ---------- 改裝品：車款篩選提示 ---------- */
.part-model-filter-note{text-align:center;font-family:var(--mono);font-size:.8rem;color:var(--muted);margin-bottom:24px}
.part-model-filter-note a{color:var(--gold);text-decoration:underline}

/* ---------- 車輛/改裝品展示頁的麵包屑 ---------- */
.inv-page-crumb{padding:150px 0 0;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--muted)}
.inv-page-crumb a{color:var(--gold);transition:.2s}
.inv-page-crumb a:hover{color:var(--gold-bright)}
.inv-page-crumb span{margin:0 6px}
@media(max-width:640px){.inv-page-crumb{padding-top:120px}}

/* 防機器人蜜罐欄位:視覺上隱藏(非 display:none),一般訪客看不到也不會被鍵盤導覽到,
   但陽春機器人爬表單欄位時通常還是會填,藉此判斷是機器人 */
.hp-field{position:absolute;left:-9999px;top:-9999px;width:1px;height:1px;overflow:hidden;opacity:0}

/* ---------- VEHICLE DETAIL ---------- */
.vd-wrap{padding:150px 0 110px;min-height:70vh}
.vd-crumb{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--muted);margin-bottom:36px}
.vd-crumb a{color:var(--gold);transition:.2s}
.vd-crumb a:hover{color:var(--gold-bright)}
.vd-crumb span{margin:0 6px}
.vd-status{text-align:center;padding:80px 0;color:var(--muted);font-family:var(--mono);font-size:.9rem}
.vd-status p{margin-bottom:26px}

.vd-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px}
.vd-gallery{display:flex;flex-direction:column;gap:14px}
.vd-main-img{border:1px solid var(--line);background:radial-gradient(circle at 50% 40%,#22201a,#0a0a0b);display:grid;place-items:center;overflow:hidden;max-height:640px;min-height:320px}
.vd-main-img svg{width:60%;height:auto;opacity:.92}
.vd-main-img img{max-width:100%;max-height:640px;width:auto;height:auto;object-fit:contain}
.vd-thumbs{display:flex;gap:10px;flex-wrap:wrap}
.vd-thumbs.hidden{display:none}
.vd-thumb{width:76px;height:56px;padding:0;border:1px solid var(--line);background:var(--ink);cursor:pointer;overflow:hidden;transition:.2s;flex-shrink:0}
.vd-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.vd-thumb:hover{border-color:var(--gold-dim)}
.vd-thumb.on{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold)}

.vd-info .marque{font-family:var(--mono);font-size:.68rem;letter-spacing:.24em;color:var(--muted);text-transform:uppercase}
.vd-info h1{font-family:var(--serif-tc);font-weight:700;font-size:clamp(1.8rem,3.2vw,2.6rem);margin:10px 0 18px;line-height:1.25}
.vd-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.vd-badge{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;padding:6px 12px;border:1px solid var(--line);color:var(--gold);text-transform:uppercase}
.vd-badge.off{color:var(--muted);border-color:var(--muted)}

.vd-spec{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:30px}
.vd-spec div{background:var(--ink);padding:16px 18px}
.vd-spec dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.vd-spec dd{font-family:var(--serif-tc);font-weight:600;font-size:1.15rem;color:var(--paper);margin-top:4px}

.vd-price-row{border-top:1px solid var(--line);padding-top:22px;margin-bottom:28px}
.vd-price{font-family:var(--serif);font-size:2.4rem;color:var(--gold-bright);font-weight:600}
.vd-price small{font-size:1rem;color:var(--muted);font-family:var(--mono);margin-left:4px}
.vd-actions{display:flex;gap:16px;flex-wrap:wrap}

.vd-desc{grid-column:1/-1;border-top:1px solid var(--line);padding-top:40px;margin-top:14px;max-width:820px}
.vd-desc h2{font-family:var(--serif-tc);font-weight:700;font-size:1.4rem;margin-bottom:18px}
.vd-desc p{color:#c4bfb4;font-size:.98rem;line-height:1.95;white-space:pre-line}

/* 數量選擇 + 加入購物車(改裝品詳情頁) */
.pd-qty-row{display:flex;align-items:center;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.pd-qty{display:flex;align-items:center;border:1px solid var(--line)}
.pd-qty button{width:38px;height:42px;background:var(--ink);border:0;color:var(--gold);font-size:1.1rem;transition:.2s}
.pd-qty button:hover{background:rgba(201,162,75,.12)}
.pd-qty input{width:52px;height:42px;text-align:center;background:var(--black);border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);color:var(--paper);font-family:var(--sans);font-size:.95rem}
.pd-qty input::-webkit-inner-spin-button,.pd-qty input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.pd-qty-row.hidden{display:none}
.pd-oos-msg{color:var(--muted);font-family:var(--mono);font-size:.8rem;margin-bottom:22px}

@media(max-width:860px){
  .vd-wrap{padding-top:120px}
  .vd-grid{grid-template-columns:1fr;gap:36px}
}

/* ---------- 改裝品詳情頁改版 ---------- */
.pd-gallery{display:flex;flex-direction:row;gap:14px}
.pd-gallery .vd-main-img{flex:1;min-width:0}
.pd-thumbs-vert{flex-direction:column;flex-wrap:nowrap;max-height:640px;overflow-y:auto;flex-shrink:0}
.pd-thumbs-vert::-webkit-scrollbar{width:4px}
.pd-thumbs-vert::-webkit-scrollbar-thumb{background:var(--line)}

.pd-desc-highlight{background:var(--ink);border:1px solid var(--gold-dim);padding:36px 40px}
.pd-desc-highlight h2{color:var(--gold-bright);font-size:1.6rem}
.pd-desc-line{display:flex;gap:10px;align-items:flex-start;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:.98rem;line-height:1.7;color:#dcd7cc}
.pd-desc-line:last-child{border-bottom:0}
.pd-desc-line span{flex:1}

.pd-related{grid-column:1/-1;border-top:1px solid var(--line);padding-top:44px;margin-top:8px}
.pd-related h2{font-family:var(--serif-tc);font-weight:700;font-size:1.4rem;margin-bottom:26px}

@media(max-width:860px){
  .pd-gallery{flex-direction:column}
  .pd-thumbs-vert{flex-direction:row;max-height:none;overflow-x:auto;overflow-y:hidden}
}

/* ---------- 購物車頁 ---------- */
.cart-page-wrap{max-width:760px}
.cart-h1{font-family:var(--serif-tc);font-weight:700;font-size:2rem;margin-bottom:36px}

.cart-list{display:flex;flex-direction:column;gap:14px;margin-bottom:28px}
.cart-row{display:grid;grid-template-columns:64px 1fr auto auto auto;align-items:center;gap:18px;border:1px solid var(--line);padding:14px 16px}
.cart-thumb{width:64px;height:48px;background:var(--ink);border:1px solid var(--line);overflow:hidden;flex-shrink:0}
.cart-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.cart-noimg{width:100%;height:100%;display:grid;place-items:center;color:var(--muted);font-family:var(--mono);font-size:.56rem}
.cart-info{display:flex;flex-direction:column;gap:4px;min-width:0}
.cart-info b{font-family:var(--serif-tc);font-size:1rem;font-weight:600;color:var(--paper);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cart-unit{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.cart-qty button{width:32px;height:36px;font-size:1rem}
.cart-qty input{width:44px;height:36px}
.cart-sub{font-family:var(--serif);font-size:1.1rem;color:var(--gold-bright);font-weight:600;white-space:nowrap}
.cart-remove{background:none;border:1px solid var(--line);color:var(--muted);width:32px;height:32px;font-size:.8rem;transition:.2s}
.cart-remove:hover{border-color:#c0563f;color:#c0563f}

.cart-summary{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 4px;margin-bottom:40px;font-family:var(--mono);font-size:.8rem;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.cart-total{font-family:var(--serif);font-size:1.8rem;color:var(--gold-bright);font-weight:600;letter-spacing:0;text-transform:none}

.checkout-h2{font-family:var(--serif-tc);font-weight:700;font-size:1.3rem;margin-bottom:22px}
.checkout-wrap .booking-form{padding:0;background:none}

.bank-info-box{border:1px solid var(--gold-dim);background:rgba(201,162,75,.06);padding:18px 20px;margin-bottom:18px;font-size:.86rem;line-height:1.8;color:#c4bfb4}
.bank-info-box strong{color:var(--gold-bright);font-family:var(--serif-tc)}
.bank-info-box .hint{margin-top:10px;color:var(--muted);font-size:.78rem}
.store-hint{margin-top:-10px;margin-bottom:18px;font-size:.78rem}
.store-hint a{color:var(--gold);text-decoration:underline}
.booking-form input:disabled{opacity:.6;cursor:default}
.order-no-highlight{font-family:var(--mono);font-size:1.15rem;color:var(--gold-bright);letter-spacing:.08em;padding:2px 8px;border:1px solid var(--gold-dim);background:rgba(201,162,75,.08)}

/* ---------- 查詢訂單頁 ---------- */
.track-form{margin-bottom:44px}
.track-result{border-top:1px solid var(--line);padding-top:32px}
.track-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.track-head>div{display:flex;flex-direction:column;gap:8px}
.track-label{font-family:var(--mono);font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.track-spec{grid-template-columns:1fr 1fr 1fr;margin-bottom:28px}
.track-items{display:flex;flex-direction:column;gap:10px;margin-bottom:8px}
.track-item-row{grid-template-columns:1fr auto}
@media(max-width:640px){.track-spec{grid-template-columns:1fr}}

@media(max-width:640px){
  .cart-row{grid-template-columns:52px 1fr;grid-template-areas:"thumb info" "qty qty" "sub remove";row-gap:10px}
  .cart-thumb{grid-area:thumb}
  .cart-info{grid-area:info}
  .cart-qty{grid-area:qty;justify-content:flex-start}
  .cart-sub{grid-area:sub}
  .cart-remove{grid-area:remove;justify-self:end}
}

/* ---------- SERVICE ---------- */
.svc{background:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}
.svc-item{padding:44px 30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .3s}
.svc-item:hover{background:linear-gradient(180deg,rgba(201,162,75,.06),transparent)}
.svc-item .no{font-family:var(--serif);font-style:italic;font-size:2.6rem;color:var(--gold-dim);line-height:1}
.svc-item h3{font-family:var(--serif-tc);font-weight:600;font-size:1.3rem;margin:20px 0 12px;color:var(--paper)}
.svc-item p{font-size:.88rem;color:var(--muted);line-height:1.75}

/* ---------- STATS ---------- */
.stats{background:linear-gradient(180deg,#0c0b09,#100d08);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:70px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stat .n{font-family:var(--serif);font-weight:600;font-size:clamp(2.6rem,5vw,4rem);color:var(--gold-bright);line-height:1}
.stat .lab{font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-top:14px}

/* ---------- TUNING ---------- */
.tune-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tune-item{border:1px solid var(--line);background:linear-gradient(170deg,#141319,#0b0b0d);padding:34px 30px;transition:.3s}
.tune-item:hover{transform:translateY(-5px);border-color:var(--gold-dim)}
.tune-item .tn{font-family:var(--serif-tc);font-weight:600;font-size:1.3rem;color:var(--gold-bright);display:block;margin-bottom:14px}
.tune-item p{font-size:.9rem;color:var(--muted);line-height:1.75}

/* ---------- MEMBERSHIP ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tier{border:1px solid var(--line);background:linear-gradient(170deg,#141319,#0b0b0d);padding:40px 34px;position:relative;transition:.3s}
.tier:hover{transform:translateY(-6px)}
.tier.feature{border-color:var(--gold);background:linear-gradient(170deg,#1c1710,#0d0b07);box-shadow:0 20px 60px -30px rgba(201,162,75,.5)}
.tier .rank{font-family:var(--serif-tc);font-weight:700;font-size:1.5rem;color:var(--paper);letter-spacing:.1em}
.tier .rank em{display:block;font-family:var(--serif);font-style:italic;font-weight:400;color:var(--gold);font-size:.9rem;letter-spacing:.15em;margin-top:4px}
.tier .cost{font-family:var(--serif);font-size:2.6rem;color:var(--gold-bright);font-weight:600;margin:24px 0 4px}
.tier .cost small{font-size:.9rem;color:var(--muted);font-family:var(--mono)}
.tier ul{list-style:none;margin:26px 0 30px;border-top:1px solid var(--line);padding-top:24px}
.tier li{display:flex;gap:12px;padding:9px 0;font-size:.9rem;color:#c4bfb4}
.tier li::before{content:"✦";color:var(--gold);font-size:.8rem;flex-shrink:0}
.tier .pick{display:block;text-align:center;padding:14px;font-family:var(--serif-tc);letter-spacing:.1em;border:1px solid var(--gold);color:var(--gold);transition:.25s}
.tier .pick:hover{background:var(--gold);color:var(--black)}
.tier.feature .pick{background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#1a1408;border:0;font-weight:600}
.tier .ribbon{position:absolute;top:-1px;right:-1px;background:var(--gold);color:var(--black);font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;padding:6px 14px}

/* ---------- BRANCHES ---------- */
.branch{background:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.branch-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.br{padding:30px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;transition:background .25s}
.br:hover{background:rgba(201,162,75,.04)}
.br h4{font-family:var(--serif-tc);font-weight:600;font-size:1.2rem;color:var(--paper)}
.br p{font-size:.82rem;color:var(--muted);margin-top:4px}
.br .tel{font-family:var(--mono);font-size:.82rem;color:var(--gold);white-space:nowrap}

.branch-map-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:0;border-top:1px solid var(--line)}
.branch-info{border-right:1px solid var(--line)}
.branch-map{position:relative;width:100%;aspect-ratio:4/3;overflow:hidden}
.branch-map iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
@media(max-width:860px){
  .branch-map-wrap{grid-template-columns:1fr}
  .branch-info{border-right:0;border-bottom:1px solid var(--line)}
  .branch-map{aspect-ratio:16/10}
}

/* ---------- BOOKING 線上預約 ---------- */
.booking-sec{background:linear-gradient(180deg,#0c0b09,#0a0a0b);border-top:1px solid var(--line)}
.booking-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:0;border:1px solid var(--line)}
.booking-intro{padding:44px 40px;border-right:1px solid var(--line);background:linear-gradient(160deg,#17140d,#0d0d0f)}
.booking-intro h3{font-family:var(--serif-tc);font-weight:600;font-size:1.6rem;color:var(--paper);margin-bottom:16px}
.booking-intro p{color:var(--muted);font-size:.92rem;line-height:1.8;margin-bottom:26px}
.booking-perks{list-style:none;margin-bottom:30px}
.booking-perks li{display:flex;gap:12px;padding:8px 0;font-size:.9rem;color:#c4bfb4}
.booking-perks li::before{content:"✦";color:var(--gold);font-size:.8rem;flex-shrink:0}
.booking-tel{display:inline-block;font-family:var(--serif);font-size:1.5rem;color:var(--gold-bright);font-weight:600;letter-spacing:.02em}
.booking-tel:hover{color:var(--gold)}

/* ---------- 首頁：車輛/改裝品導引卡片 ---------- */
.shop-teaser{padding:100px 0}
.shop-teaser-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.shop-teaser-card{display:block;background:var(--black);padding:40px 34px;transition:.25s}
.shop-teaser-card:hover{background:var(--ink)}
.shop-teaser-card h3{font-family:var(--serif-tc);font-weight:700;font-size:1.4rem;margin:14px 0 10px}
.shop-teaser-card p{color:#a8a29a;font-size:.88rem;line-height:1.8;margin-bottom:20px}
.shop-teaser-card .link-arrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.08em;color:var(--gold);transition:.2s}
.shop-teaser-card:hover .link-arrow{color:var(--gold-bright)}
@media(max-width:640px){.shop-teaser-grid{grid-template-columns:1fr}}

/* ---------- LINE 橫幅(預約區) ---------- */
.line-banner{display:flex;align-items:center;gap:16px;border:1px solid var(--gold-dim);background:rgba(201,162,75,.06);padding:16px 20px;margin-bottom:26px;transition:.2s}
.line-banner:hover{background:rgba(201,162,75,.12);border-color:var(--gold)}
.line-banner-icon{font-size:1.6rem;flex-shrink:0}
.line-banner b{display:block;font-family:var(--serif-tc);font-size:1rem;color:var(--gold-bright)}
.line-banner small{display:block;color:var(--muted);font-size:.76rem;margin-top:3px}
.line-banner .link-arrow{margin-left:auto;color:var(--gold);font-size:1.2rem}
.booking-line-hint{font-size:.8rem;color:var(--muted);line-height:1.7;margin:-14px 0 26px}
.booking-line-hint a{color:var(--gold-bright);text-decoration:underline;text-underline-offset:2px}
.booking-line-hint a:hover{color:var(--gold)}

.booking-form{padding:44px 40px;background:var(--ink)}
.booking-form label{display:flex;flex-direction:column;gap:8px;font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.booking-form input,.booking-form select,.booking-form textarea{
  background:var(--black);border:1px solid var(--line);color:var(--paper);
  padding:12px 14px;font-family:var(--sans);font-size:.94rem;transition:border-color .2s;width:100%;
}
.booking-form input:focus,.booking-form select:focus,.booking-form textarea:focus{outline:none;border-color:var(--gold)}
.booking-form textarea{resize:vertical;line-height:1.6}
.bk-grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.grid4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:18px}
.booking-form .btn-gold{width:100%;padding:15px;border:0;cursor:pointer;font-size:1rem}
.booking-form .btn-gold:disabled{opacity:.6;cursor:default}
.bk-msg{min-height:1.2em;font-size:.86rem;margin-bottom:14px;font-family:var(--sans)}
.bk-msg.ok{color:#7fc08a}
.bk-msg.err{color:#c0563f}
.bk-hint{font-family:var(--mono);font-size:.66rem;letter-spacing:.05em;color:var(--muted);text-align:center;margin-top:14px}

/* 門市搜尋下拉(輸入文字即時篩選,取代單純的 select) */
.store-combo{position:relative}
.store-combo input:disabled{opacity:.6;cursor:default}
.store-combo-menu{
  position:absolute;top:calc(100% + 4px);left:0;right:0;max-height:260px;overflow-y:auto;
  background:var(--black);border:1px solid var(--line);z-index:30;
}
.store-combo-item{padding:10px 14px;font-family:var(--sans);font-size:.88rem;color:var(--paper);cursor:pointer;letter-spacing:0;text-transform:none}
.store-combo-item:hover,.store-combo-item.active{background:rgba(201,162,75,.15);color:var(--gold-bright)}
.store-combo-empty{padding:10px 14px;font-family:var(--sans);font-size:.82rem;color:var(--muted);letter-spacing:0;text-transform:none}

/* 日期選擇器圖示配色 */
.booking-form input[type="date"]::-webkit-calendar-picker-indicator{filter:invert(.7) sepia(1) saturate(2) hue-rotate(5deg)}

/* ---------- FINAL CTA ---------- */
.final{position:relative;text-align:center;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 100% at 50% 0%,rgba(201,162,75,.12),transparent 70%)}
.final .wrap{position:relative}
.final h2{font-family:var(--serif-tc);font-weight:900;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.15}
.final .en{display:block;font-family:var(--serif);font-style:italic;font-weight:500;color:var(--gold);font-size:.42em;margin-top:14px;letter-spacing:.1em}
.final p{color:#c4bfb4;max-width:520px;margin:26px auto 40px}
.final .row{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--line);background:var(--black);padding:64px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.foot-brand .crest{margin-bottom:18px}
.foot-brand p{font-size:.85rem;color:var(--muted);max-width:280px}
.foot-col h5{font-family:var(--mono);font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.foot-col a{display:block;font-size:.86rem;color:#b8b3a8;padding:6px 0;transition:.2s}
.foot-col a:hover{color:var(--gold-bright);padding-left:6px}
.foot-bottom{border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-family:var(--mono);font-size:.7rem;color:var(--muted);letter-spacing:.08em}

/* ---------- RESPONSIVE ---------- */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-card{max-width:460px}
  .inv-grid,.tiers,.tune-grid{grid-template-columns:1fr 1fr}
  .svc-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:40px 0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  nav ul,.nav .cta-line{display:none}
  .burger{display:flex}
  nav ul.open{display:flex;position:fixed;top:76px;left:0;right:0;flex-direction:column;background:#0a0a0b;border-bottom:1px solid var(--line);padding:22px 28px;gap:18px;z-index:99}
  .inv-grid,.tiers,.tune-grid,.svc-grid,.branch-grid,.foot-grid{grid-template-columns:1fr}
  .booking-wrap{grid-template-columns:1fr}
  .booking-intro{border-right:0;border-bottom:1px solid var(--line)}
  .bk-grid2{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr}
  section{padding:76px 0}
  .stats-grid{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}