/* 展廳字面：Chiron Hei HK VF（繁中 display＋內文）／D-DIN（展位標號與數字面），
   皆為 OFL 字體之子集化 woff2 實檔，與 prototypes/home-q.html 的內嵌版同一份。 */
@font-face{font-family:"Chiron Hei HK";font-weight:200 900;font-style:normal;font-display:swap;src:url(fonts/chiron-hei-hk-vf.woff2) format("woff2")}
@font-face{font-family:"D-DIN";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/d-din-400.woff2) format("woff2")}
@font-face{font-family:"D-DIN";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/d-din-700.woff2) format("woff2")}
@font-face{font-family:"D-DIN Condensed";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/d-din-cond-700.woff2) format("woff2")}

/* ============================================================
   世界 Q「旗艦展廳・定案」— 系統
   本體＝世界 N。token／節奏／色票沿用 N；接進來的兩個器官
   （陣容卡、前後對比陳列）與回函表單一律換上這套皮。
   ============================================================ */
:root{
  /* 展廳光：色值取自 陣容-DM封面版.png 實際像素（棚頂 #fafafa／側牆 #e6e5e5／地坪 #dedce2） */
  --hi:#fdfdfd; --stage:#f4f4f3; --stage-lo:#e6e5e5; --floor:#dedce2;
  --case:#ffffff;
  --ink:#121210; --ink-2:#63635f; --ink-3:#676762;   /* ink-3 最小 11px，對 #ececeb 仍 4.8:1 */
  --rule:rgba(18,18,16,.10); --rule-2:rgba(18,18,16,.055);
  --green:#73ba1e;      /* 機身綠：只作 CTA 面（墨字 7.1:1） */
  --green-t:#3f730a;    /* 綠字：淺底 5.1:1 */
  --err:#b3261e;
  --pad:60px; --wrap:1320px;
  --zh:"Chiron Hei HK",-apple-system,"PingFang TC","Noto Sans TC",sans-serif;
  --din:"D-DIN Condensed","Chiron Hei HK",sans-serif;
  --dinr:"D-DIN","Chiron Hei HK",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0; background:var(--stage); color:var(--ink);
  font-family:var(--zh); font-weight:400; line-height:1.75;
  font-size:16px; letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block; max-width:100%; height:auto}
a{color:inherit}
h1,h2,h3,p,ul,figure{margin:0}
ul{list-style:none; padding:0}
dl,dd{margin:0}
.wrap{max-width:var(--wrap); margin:0 auto; padding:0 var(--pad)}

.skip{position:absolute; left:-9999px; top:0; background:var(--ink); color:#fff; padding:10px 18px; z-index:99}
.skip:focus{left:12px; top:12px}
:focus-visible{outline:2px solid var(--green-t); outline-offset:3px}
::selection{background:var(--green); color:var(--ink)}

/* 展位標號／數字面 */
.code{font-family:var(--din); font-weight:700; letter-spacing:.03em; font-feature-settings:"tnum" 1}
.eyebrow{
  font-family:var(--dinr); font-size:12px; font-weight:400; letter-spacing:.34em;
  text-transform:uppercase; color:var(--ink-3); line-height:1;
}
/* 段首：大字標題＋右側說明，展廳的統一節奏 */
.head{display:flex; align-items:flex-end; justify-content:space-between; gap:40px; margin-bottom:44px}
.head h2{font-size:52px; font-weight:800; line-height:1.18; letter-spacing:-.015em}
.head .cap{font-size:14px; color:var(--ink-2); text-align:right; line-height:1.9; max-width:26em}

/* ============ 接待台（導覽） ============ */
.top{position:relative; z-index:5}
.top .in{
  max-width:var(--wrap); margin:0 auto; padding:22px var(--pad) 20px;
  display:flex; align-items:center; justify-content:space-between; gap:40px;
}
.top .logo img{width:176px; height:38px}
.top nav ul{display:flex; align-items:center; gap:26px}
.top nav a{
  text-decoration:none; font-size:14px; color:var(--ink-2); letter-spacing:.04em;
  padding-bottom:2px; border-bottom:1px solid transparent; white-space:nowrap;
}
.top nav a:hover{color:var(--ink); border-bottom-color:var(--ink)}

/* ============ 展廳（HERO） ============ */
.hall{
  position:relative; overflow:hidden;
  margin-top:-80px; padding-top:80px;
  background:
    /* 舞台向右緩降到照片左緣的實測色（#e4e4e4，canvas 取樣），430px 的坡取代硬接縫 */
    linear-gradient(to right, rgba(198,198,203,0) 22%, rgba(198,198,203,.30) 52%, rgba(198,198,203,.30) 100%),
    linear-gradient(to bottom, rgba(190,188,197,0) 58%, rgba(190,188,197,.30) 100%),
    radial-gradient(125% 92% at 70% 14%, var(--hi) 0%, #f7f7f6 38%, #ededec 70%, var(--stage-lo) 100%);
}
.hall .in{
  /* 全桌面寬度一體:兩側都套版心那條公式 ⇒ 構圖恆左右對稱、照片永不貼視窗邊,
     且字柱左緣與 logo／全站各段落同一條線。內容寬因此等於版心內容框（1320-2×60
     ＝1200,窄於版心時收斂成 視窗-2×--pad）。照片欄取內容寬的 45%（1440 視窗
     540,原生 922 以下不放大）。單一公式全程連續,無斷點跳動。 */
  max-width:none; margin:0;
  padding:0 max(var(--pad), calc((100% - var(--wrap))/2 + var(--pad)));
  min-height:calc(100vh - 80px); display:grid; grid-template-columns:1fr 45%;
  gap:100px; align-items:center;
}
.hall .say{max-width:600px; padding-bottom:36px}
h1{
  font-size:clamp(52px,5.9vw,88px); font-weight:800; line-height:1.06;
  letter-spacing:-.025em; margin-bottom:26px;
}
h1 span{display:block; white-space:nowrap}
.hall .sub{font-size:20px; line-height:1.85; color:var(--ink-2); max-width:19em; margin-bottom:38px}

.cta{
  display:inline-block; background:var(--green); color:var(--ink); text-decoration:none;
  font-size:17px; font-weight:700; letter-spacing:.02em; padding:19px 34px;
  box-shadow:0 1px 0 rgba(18,18,16,.12);
  transition:transform .18s ease, box-shadow .18s ease;
}
.cta:hover{transform:translateY(-2px); box-shadow:0 8px 22px rgba(90,140,30,.28)}
@media (prefers-reduced-motion:reduce){.cta{transition:none}.cta:hover{transform:none}}
.sides{display:flex; gap:26px; margin-top:22px; flex-wrap:wrap}
.sides a{font-size:14px; color:var(--ink-2); text-decoration:none; border-bottom:1px solid var(--rule)}
.sides a:hover{color:var(--ink); border-bottom-color:var(--ink)}
/* Hero 的次要出口做成描邊鈕（出口段的 .sides 維持文字連結）。描邊用 --ink-2 而非
   --rule：--rule 只有 10% 黑，壓在舞台光上約 1.1:1，看不出那是顆鈕。 */
.hall .sides{gap:14px; margin-top:26px}
.hall .sides a{
  display:inline-flex; align-items:center; background:var(--case); color:var(--ink);
  border:1px solid var(--ink-2); font-size:15px; font-weight:700;
  letter-spacing:.02em; line-height:1; padding:15px 26px;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.hall .sides a:hover{border-color:var(--ink); box-shadow:0 6px 18px -8px rgba(18,18,16,.34)}

.hall figure{margin:0}
.hall .lineup{
  width:100%; max-width:none;
  /* 四緣都溶進舞台。羽化區間只落在照片背景上：canvas 實測機台像素佔
     左 3.5%／右 99.9%／上 14.8%／下 88.6%，故左緣自 3.4%、右緣自 96%
     （只吃到 F-2245 踏台最外側，三台機身止於 95%）、上緣止於 11%、
     下緣自 91% 起，「陣容整群完整入鏡」不被遮掉任何一台。
     照片現在任何寬度都不貼視窗邊，右緣的硬切（棚頂弧線斷掉、踏台立柱
     被直切）必須全程羽化蓋掉，不再分斷點。 */
  -webkit-mask-image:linear-gradient(to right, transparent 0, #000 3.4%, #000 96%, transparent 100%),
                     linear-gradient(to bottom, transparent 0, #000 11%, #000 91%, transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:linear-gradient(to right, transparent 0, #000 3.4%, #000 96%, transparent 100%),
             linear-gradient(to bottom, transparent 0, #000 11%, #000 91%, transparent 100%);
  mask-composite:intersect;
}

/* ============ 陣容（器官 P：四台一眼看全） ============ */
.fleet{background:linear-gradient(to bottom,#efefee 0%, #f4f4f3 34%, #f4f4f3 70%, #ececeb 100%); padding:120px 0 124px}
.fleet .lead{display:flex; align-items:baseline; gap:22px; margin-bottom:18px}
.fleet .lead h2{font-size:40px; font-weight:800; letter-spacing:-.015em}
.fleet .note{font-size:15px; color:var(--ink-2); line-height:2; max-width:44em; margin-bottom:44px}
.row3{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.mcard{background:var(--case); border:1px solid var(--rule-2); display:flex; flex-direction:column}
/* 三機同一把尺：卡內顯示高度依 DM 外型尺寸實高（258／200／174 cm）等比，全部在原生像素以下 */
.mcard .fig{height:346px; display:flex; align-items:flex-end; justify-content:center; padding:28px 28px 0;
  background:linear-gradient(to bottom,#fff 0%,#f7f7f6 100%)}
.mcard .fig img{width:auto}
.m-ow .fig img{height:290px}
.m-tw .fig img{height:225px}
.m-mj .fig img{height:196px}
.mcard .bd{padding:26px 30px 30px; border-top:1px solid var(--rule-2); flex:1; display:flex; flex-direction:column}
.mcard .mdl{font-size:22px; line-height:1}
.mcard h3{font-size:22px; font-weight:800; letter-spacing:-.01em; margin:8px 0 12px}
.mcard .use{font-size:15px; color:var(--ink-2); line-height:1.95; flex:1}
.mcard dl{margin-top:22px; border-top:1px solid var(--rule)}
.mcard dl div{display:flex; justify-content:space-between; align-items:baseline; gap:16px;
  padding:9px 0; border-bottom:1px solid var(--rule-2)}
.mcard dt{font-size:13px; color:var(--ink-3); letter-spacing:.06em}
.mcard dd{font-family:var(--din); font-weight:700; font-size:18px; letter-spacing:.04em; font-feature-settings:"tnum" 1}
.go{display:inline-block; align-self:flex-start; margin-top:22px; font-size:15px; font-weight:600;
  text-decoration:none; border-bottom:2px solid var(--green); padding-bottom:3px}
.go:hover{border-bottom-color:var(--ink)}
/* ＋1：模具清潔噴射機（不入 hero，站在陣容尾巴） */
.mplus{margin-top:24px; background:var(--case); border:1px solid var(--rule-2);
  display:grid; grid-template-columns:260px 1fr; align-items:stretch}
.mplus .fig{border-right:1px solid var(--rule-2); display:flex; align-items:center; justify-content:center;
  padding:12px; background:linear-gradient(to bottom,#fff 0%,#f7f7f6 100%)}
/* ＋1 卡退出同尺（Frank 2026-08-17 裁決）：等比尺只套三台拋光機，這張照可視比例呈現，
   原生 448×288 不放大 */
.mplus .fig img{width:100%; max-width:232px; height:auto}
.mplus .bd{padding:34px 40px; display:flex; flex-direction:column; justify-content:center}
.mplus .tag{font-family:var(--dinr); font-size:11px; letter-spacing:.3em; text-transform:uppercase; color:var(--ink-3)}
.mplus h3{font-size:24px; font-weight:800; letter-spacing:-.01em; margin:10px 0 4px}
.mplus .mdl{font-size:20px; line-height:1.4}
.mplus p{font-size:15px; color:var(--ink-2); line-height:1.95; max-width:52em; margin-top:12px}
.mplus .kv{display:flex; gap:44px; margin-top:20px; padding-top:18px; border-top:1px solid var(--rule)}
.mplus .kv div{display:block}
.mplus .kv dt{font-size:13px; color:var(--ink-3); letter-spacing:.06em}
.mplus .kv dd{font-family:var(--din); font-weight:700; font-size:20px; letter-spacing:.04em; margin-top:2px}

/* ============ 櫥窗（器官 O：13 組前後對比） ============ */
.window{padding:130px 0}
.window.pt0{padding-top:0}
.window .count{display:flex; align-items:baseline; gap:18px; margin-bottom:14px; flex-wrap:wrap}
.window .count b{font-family:var(--din); font-weight:700; font-size:96px; line-height:.9; letter-spacing:.01em}
.window .count span{font-size:26px; font-weight:800; letter-spacing:-.01em}
.case{
  background:var(--case); border:1px solid var(--rule-2);
  box-shadow:0 24px 60px -34px rgba(18,18,16,.30);
  padding:56px; display:flex; align-items:flex-end; justify-content:center; gap:0;
}
.case .pane{flex:1; display:flex; flex-direction:column; align-items:center}
.case .pane + .pane{border-left:1px solid var(--rule-2)}
.case .tag{
  font-family:var(--dinr); font-size:11px; letter-spacing:.3em; text-transform:uppercase;
  color:var(--ink-3); margin-top:26px;
}
.case .tag b{display:block; font-family:var(--zh); font-size:15px; font-weight:600; letter-spacing:.06em; color:var(--ink); margin-top:7px}
/* .shot＝把實照下緣的空白裁掉，機件本身不縮放（原生 0.90×／1.06×） */
.case .shot{overflow:hidden}
.w-pipe .shot{width:520px; height:612px}
.w-pipe .shot img{width:520px}
.w-imp{align-items:center; padding:40px}
.w-imp .shot{width:360px}
.w-imp .shot img{width:360px}

.split{display:grid; grid-template-columns:360px 1fr; gap:64px; align-items:center}
.split h2{font-size:44px; font-weight:800; line-height:1.22; letter-spacing:-.015em; margin-bottom:20px}
.split p{font-size:15px; color:var(--ink-2); line-height:2}

/* 中階：原生尺寸還撐得住的兩件，兩座並列 */
.pair2{display:grid; grid-template-columns:1fr 1fr; gap:24px; margin-top:96px}
.pair2 .case{flex-direction:column; align-items:stretch; padding:40px 36px 34px;
  box-shadow:0 18px 46px -30px rgba(18,18,16,.28)}
.pair2 .nm{font-size:22px; font-weight:800; letter-spacing:-.01em; margin-bottom:10px}
.pair2 .said{font-size:14px; color:var(--ink-2); line-height:1.9; margin-bottom:30px}
.pair2 .duo{display:flex; align-items:flex-end; justify-content:center; gap:44px; margin-top:auto}
.pair2 .pane{flex:0 1 auto}
.pair2 .pane + .pane{border-left:0}
.h-cube img{height:300px; width:auto}
.h-disc img{height:210px; width:auto}

/* 樣本櫃：其餘八種工件按原尺寸掛出、不放大，靠留白撐版面 */
.vault{margin-top:96px}
.vault .rack{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.cell{background:var(--case); border:1px solid var(--rule-2); padding:34px 30px 26px;
  display:flex; flex-direction:column; align-items:center}
.cell .duo{display:flex; align-items:flex-end; justify-content:center; gap:26px; min-height:210px; flex:1}
.cell .duo img{height:200px; width:auto}   /* 原生高 203–222px，一律不放大 */
.cell .pane{display:flex; flex-direction:column; align-items:center}
/* 每側各自掛標籤（與展廳 .case .tag 同格式，格內縮一級） */
.cell .tag{margin-top:14px; font-family:var(--dinr); font-size:10px; letter-spacing:.24em;
  text-transform:uppercase; color:var(--ink-3); line-height:1}
.cell .tag b{display:block; font-family:var(--zh); font-size:13px; font-weight:600;
  letter-spacing:.06em; color:var(--ink); margin-top:6px; line-height:1}
.cell .nm{margin-top:22px; font-size:16px; font-weight:700; letter-spacing:.02em}
/* AFTER 側掛綠記號，BEFORE 側維持灰墨；底線走 text-decoration 不佔高度，兩側等高不跳版 */
.case .tag.is-after, .cell .tag.is-after{color:var(--green-t)}
.case .tag.is-after b, .cell .tag.is-after b{
  text-decoration:underline; text-decoration-color:var(--green);
  text-decoration-thickness:3px; text-underline-offset:6px;
}
.cell .tag.is-after b{text-decoration-thickness:2px; text-underline-offset:5px}

/* ============ 配套（磨料／代工） ============ */
.plus{padding:120px 0; background:#ececeb}
.plus .grid{display:grid; grid-template-columns:1fr 1fr; gap:60px}
.plus .card{background:var(--case); border:1px solid var(--rule-2); padding:44px; display:flex; flex-direction:column}
.plus .card h3{font-size:26px; font-weight:800; letter-spacing:-.01em; margin:26px 0 12px}
.plus .card p{font-size:15px; color:var(--ink-2); line-height:2}
.plus .card .imgbox{height:250px; overflow:hidden; display:flex; align-items:center; justify-content:center; background:#fafafa}
.plus .card .imgbox img{max-height:100%; width:auto}
.plus .go{margin-top:auto; padding-top:24px}

/* ============ 完整規格層 ============ */
.specs{padding:120px 0 124px; background:var(--stage)}
.specs .blk{background:var(--case); border:1px solid var(--rule-2)}
.specs .blk + .blk{margin-top:22px}
.specs .blk .hd{display:flex; align-items:baseline; gap:16px; flex-wrap:wrap;
  padding:20px 30px; border-bottom:1px solid var(--rule-2)}
.specs .blk .hd h3{font-size:19px; font-weight:800; letter-spacing:-.005em}
.specs .blk .hd .mdl{font-size:19px; color:var(--green-t)}
.specs .blk .hd .src{margin-left:auto; font-size:12px; color:var(--ink-3); letter-spacing:.04em}
.specs .grid3{display:grid; grid-template-columns:repeat(3,1fr)}
.specs .grid3 div{display:flex; justify-content:space-between; align-items:baseline; gap:16px;
  padding:14px 30px; border-bottom:1px solid var(--rule-2); border-right:1px solid var(--rule-2)}
.specs .grid3 div:nth-child(3n){border-right:0}
.specs .grid3 dt{font-size:13px; color:var(--ink-3); letter-spacing:.06em; white-space:nowrap}
.specs .grid3 dd{font-family:var(--din); font-weight:700; font-size:17px; letter-spacing:.04em;
  font-feature-settings:"tnum" 1; text-align:right}
.specs .fine{margin-top:26px; border-left:3px solid var(--green); padding:4px 0 4px 20px;
  font-size:14px; color:var(--ink-2); line-height:1.95; max-width:66em}

/* ============ 出口（回函表單＋LINE 同一個窗口） ============ */
.exit{
  padding:120px 0 118px;
  background:
    linear-gradient(to bottom, rgba(190,188,197,0) 55%, rgba(190,188,197,.28) 100%),
    radial-gradient(110% 100% at 50% 6%, var(--hi) 0%, #f5f5f4 48%, var(--stage-lo) 100%);
}
.exit .head h2{font-size:60px; letter-spacing:-.02em; line-height:1.14}
.exit .sides{margin-top:26px}
/* 回函整塊：展示櫃的皮（純白櫃體、直角、髮絲線），機制沿用上一輪落地版 */
.mailback{background:var(--case); border:1px solid var(--rule-2);
  box-shadow:0 24px 60px -34px rgba(18,18,16,.30);
  display:grid; grid-template-columns:1fr 300px; gap:56px; padding:52px}
.mailback h3{font-size:26px; font-weight:800; line-height:1.5; letter-spacing:-.01em; margin-bottom:8px}
.mailback .cta-line{font-size:15px; color:var(--ink-2); line-height:2; max-width:30em; margin-bottom:30px}
.mailback .cta-line b{color:var(--ink); font-weight:700}
.fgrid{display:grid; grid-template-columns:1fr 1fr; gap:20px 26px}
.fld{display:flex; flex-direction:column; gap:3px}
.fld.full{grid-column:1/-1}
.fld label{font-family:var(--dinr); font-size:12px; letter-spacing:.14em; font-weight:700; color:var(--ink-3)}
.fld input,.fld select{
  font-family:var(--zh); font-size:15px; color:var(--ink); background:transparent;
  border:0; border-bottom:1px solid var(--rule); padding:9px 0; width:100%;
}
.fld select{appearance:none;
  background-image:linear-gradient(45deg,transparent 49%,var(--ink) 50%),linear-gradient(-45deg,transparent 49%,var(--ink) 50%);
  background-position:calc(100% - 12px) 58%,calc(100% - 7px) 58%; background-size:5px 5px; background-repeat:no-repeat}
.fld input::placeholder{color:var(--ink-3)}
.fld input:focus,.fld select:focus{outline:none; border-bottom-color:var(--green-t); box-shadow:0 1px 0 var(--green-t)}
.fld .ferr{display:none; font-size:12.5px; font-weight:700; color:var(--err); padding-top:4px}
.fld.err .ferr{display:block}
.fld.err input,.fld.err select{border-bottom-color:var(--err); box-shadow:0 1px 0 var(--err)}
.fld.err label{color:var(--err)}
.fld .req{color:var(--green-t); font-weight:700; margin-left:.6em; letter-spacing:.06em}
.fld.err .req{color:var(--err)}
.fld.consent label{font-family:var(--zh); font-size:14px; letter-spacing:.01em; font-weight:400;
  color:var(--ink-2); line-height:1.9; display:flex; align-items:flex-start; gap:10px}
.fld.consent input{width:17px; height:17px; flex:0 0 auto; margin-top:5px; accent-color:var(--green-t)}
.fld.consent a{color:var(--ink); font-weight:600; text-decoration:underline;
  text-decoration-thickness:1px; text-underline-offset:3px; text-decoration-color:var(--rule)}
.fld.consent a:hover{text-decoration-color:var(--ink)}
.fld.consent.err label{color:var(--err)}
.fld.consent.err input{outline:2px solid var(--err); outline-offset:2px}
.sendrow{grid-column:1/-1; display:flex; align-items:center; gap:20px; flex-wrap:wrap; margin-top:6px}
.sendrow button{
  font-family:var(--zh); background:var(--green); color:var(--ink); border:0; cursor:pointer;
  font-size:16px; font-weight:700; letter-spacing:.02em; padding:16px 30px;
  box-shadow:0 1px 0 rgba(18,18,16,.12);
}
.sendrow button:hover{box-shadow:0 8px 22px rgba(90,140,30,.28)}
.sendrow .alt{font-size:13px; color:var(--ink-2)}
.sendrow .alt a{color:var(--ink); font-weight:600; text-decoration:underline;
  text-decoration-thickness:1px; text-underline-offset:3px; text-decoration-color:var(--rule)}
.fgrid .form-msg{grid-column:1/-1}
/* 送出結果（?sent=1／0，admin-post handler 導回時帶） */
.fgrid .sent-msg{grid-column:1/-1; font-size:15px; font-weight:700; line-height:1.9; color:var(--green-t)}
.fgrid .sent-msg.bad{color:var(--err)}
.qrside{border-left:1px solid var(--rule-2); padding-left:40px; display:flex; flex-direction:column; gap:12px}
.qrside .qt{font-size:14px; font-weight:700; letter-spacing:.06em}
.qrside .qr{border:1px solid var(--rule-2); padding:12px; width:172px}
.qrside .qr img{width:100%}
.qrside .linebtn{font-size:14px; font-weight:600; text-decoration:underline;
  text-decoration-thickness:1px; text-underline-offset:4px; text-decoration-color:var(--green)}
.qrside .linebtn:hover{text-decoration-color:var(--ink)}
.qrside .qid{font-size:13px; color:var(--ink-2); display:flex; align-items:center; gap:8px}
.qrside .qid .cd{font-family:var(--dinr); font-weight:700; font-size:13px; letter-spacing:.08em;
  background:var(--ink); color:#fff; padding:2px 8px 1px}
.qrside .qd{font-size:13px; color:var(--ink-2); line-height:1.9; max-width:22em}

/* ============ 頁尾 ============ */
footer{background:var(--case); border-top:1px solid var(--rule); padding:46px 0 54px}
footer .in{display:flex; justify-content:space-between; align-items:flex-start; gap:50px}
footer img{width:154px; height:34px}
footer nav ul{display:flex; flex-wrap:wrap; gap:8px 24px; max-width:640px; justify-content:flex-end}
footer nav a{font-size:13px; color:var(--ink-2); text-decoration:none}
footer nav a:hover{color:var(--ink)}
footer .note{margin-top:18px; font-size:12px; color:var(--ink-3); line-height:1.9}

/* ============ 行動書籤條（僅小螢幕；送樣與 LINE 永遠在拇指範圍） ============ */
.bookmark{display:none}

@media (max-width:1240px){
  :root{--pad:32px}
  .top .in{flex-wrap:wrap; gap:16px 40px}
  .top nav ul{flex-wrap:wrap; gap:14px 20px}
  .hall .in{grid-template-columns:1fr; min-height:0; padding-top:40px; padding-bottom:60px; gap:40px}
  .hall .lineup{width:100%; max-width:680px}
  h1 span{white-space:normal}
  .plus .grid,.split,.pair2{grid-template-columns:1fr; gap:36px}
  .mailback{grid-template-columns:1fr; gap:36px; padding:40px}
  .row3,.vault .rack{grid-template-columns:repeat(2,1fr)}
  .mplus{grid-template-columns:1fr}
  .mplus .fig{border-right:0; border-bottom:1px solid var(--rule-2)}
  .specs .grid3{grid-template-columns:repeat(2,1fr)}
  .specs .grid3 div:nth-child(3n){border-right:1px solid var(--rule-2)}
  .specs .grid3 div:nth-child(2n){border-right:0}
  .case{padding:28px; flex-wrap:wrap}
  .case .shot,.w-pipe .shot,.w-imp .shot{width:100%; max-width:420px; height:auto}
  .case .shot img,.w-pipe .shot img,.w-imp .shot img{width:100%}
  .h-cube img,.h-disc img{height:auto; width:100%}
  .qrside{border-left:0; border-top:1px solid var(--rule-2); padding:28px 0 0}
  .head{flex-direction:column; align-items:flex-start}
  .head .cap{text-align:left}
  footer .in{flex-direction:column}
  footer nav ul{justify-content:flex-start}
}
@media (max-width:820px){
  .row3,.vault .rack,.specs .grid3{grid-template-columns:1fr}
  .specs .grid3 div{border-right:0}
  .window .count b{font-size:66px}
}
/* 手機：desktop-first 的字階在 375／414 會撞邊，此處只降字級與間距，版面結構不變 */
@media (max-width:700px){
  :root{--pad:20px}
  body{padding-bottom:56px}   /* 讓出行動書籤條 */
  .top .in{padding:16px var(--pad) 14px; gap:12px 24px}
  .top nav ul{gap:10px 16px}
  .top nav a{font-size:13px}
  h1{font-size:40px; margin-bottom:20px}
  .hall .sub{font-size:17px; margin-bottom:28px}
  .cta{font-size:15px; padding:16px 22px}
  .fleet,.plus,.specs{padding:64px 0}
  .window{padding:64px 0}
  .exit{padding:64px 0 72px}
  .head{margin-bottom:28px; gap:14px}
  .head h2,.exit .head h2{font-size:30px}
  .fleet .lead h2,.split h2,.mailback h3{font-size:26px}
  .window .count b{font-size:54px}
  .window .count span{font-size:19px}
  .mcard .bd{padding:22px 22px 26px}
  .mplus .bd{padding:26px 22px}
  .mplus .kv{gap:28px}
  .pair2{margin-top:48px}
  .pair2 .case{padding:24px 20px 22px}
  .pair2 .duo{gap:16px}
  .vault{margin-top:48px}
  .cell{padding:24px 18px 20px}
  .cell .duo{gap:18px; min-height:180px}
  .cell .duo img{height:170px}
  .plus .card{padding:26px}
  .plus .card .imgbox{height:190px}
  .specs .grid3 div{padding:12px 20px}
  .specs .blk .hd{padding:16px 20px; gap:10px}
  .specs .blk .hd .src{margin-left:0}
  .mailback{padding:26px 20px}
  .fgrid{grid-template-columns:1fr}
  .sendrow button{width:100%}
  .qrside{align-items:flex-start}
  .bookmark{
    display:flex; position:fixed; left:0; right:0; bottom:0; z-index:40;
    border-top:1px solid var(--rule); background:var(--case);
  }
  .bookmark a{
    flex:1; text-align:center; padding:16px 8px; font-size:15px; font-weight:700;
    text-decoration:none; letter-spacing:.02em;
  }
  .bookmark .r{background:var(--green); color:var(--ink)}
  .bookmark .l{color:var(--ink); border-left:1px solid var(--rule)}
}