/* =========================================================
   歐昇金屬 官網  ·  手機優先，900px 以上切換電腦版版面
   ========================================================= */
:root{
  --bg:#f4f2ed; --paper:#fbfaf7; --ink:#1d1c1a; --ink2:#55524c; --mute:#8f8b83;
  --line:#e1ddd4; --dark:#191918; --dark2:#232321; --bronze:#8c7355;
  --green:#06c755; --r:14px; --r-s:10px;
  --sans:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --serif:"Noto Serif TC","Songti TC","PMingLiU",serif;
  --safe-b:env(safe-area-inset-bottom,0px);
  --tabbar:64px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:15px;line-height:1.85;letter-spacing:.03em;font-weight:400;-webkit-font-smoothing:antialiased;padding-bottom:calc(var(--tabbar) + var(--safe-b))}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.wrap.narrow{max-width:780px}
.serif{font-family:var(--serif);font-weight:700;letter-spacing:.08em;line-height:1.4}
.kicker{font-size:11px;letter-spacing:.32em;color:rgba(255,255,255,.75);font-weight:500;margin-bottom:10px}
.kicker.dark{color:var(--bronze)}
.fine{font-size:13px;color:var(--mute);margin-top:14px;line-height:1.8}
.m-only{display:inline}

/* ---------- 圖示 ---------- */
[class^="ico-"]{display:inline-block;width:20px;height:20px;background:currentColor;-webkit-mask:var(--i) center/contain no-repeat;mask:var(--i) center/contain no-repeat;vertical-align:middle;flex:none}
.ico-line{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2.5C6.2 2.5 1.5 6.3 1.5 11c0 4.2 3.7 7.7 8.8 8.4.3.1.8.2.9.5.1.3.1.7 0 1l-.1.9c0 .3-.2 1 .9.5 1.1-.5 6-3.5 8.2-6.1C21.7 14.6 22.5 12.9 22.5 11c0-4.7-4.7-8.5-10.5-8.5zM7.9 13.6H5.8c-.3 0-.6-.3-.6-.6V8.8c0-.3.3-.6.6-.6s.6.3.6.6v3.6h1.5c.3 0 .6.3.6.6s-.3.6-.6.6zm2.2-.6c0 .3-.3.6-.6.6s-.6-.3-.6-.6V8.8c0-.3.3-.6.6-.6s.6.3.6.6V13zm5 0c0 .3-.2.5-.4.6h-.2c-.2 0-.4-.1-.5-.2l-2.1-2.9V13c0 .3-.3.6-.6.6s-.6-.3-.6-.6V8.8c0-.3.2-.5.4-.6h.2c.2 0 .4.1.5.2l2.1 2.9V8.8c0-.3.3-.6.6-.6s.6.3.6.6V13zm3.4-2.7c.3 0 .6.3.6.6s-.3.6-.6.6h-1.5v.9h1.5c.3 0 .6.3.6.6s-.3.6-.6.6h-2.1c-.3 0-.6-.3-.6-.6V8.8c0-.3.3-.6.6-.6h2.1c.3 0 .6.3.6.6s-.3.6-.6.6h-1.5v.9h1.5z'/%3E%3C/svg%3E")}
.ico-phone{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6.6 10.8a15.1 15.1 0 006.6 6.6l2.2-2.2c.3-.3.7-.4 1-.2 1.1.4 2.3.6 3.6.6.6 0 1 .4 1 1V20c0 .6-.4 1-1 1A17 17 0 013 4c0-.6.4-1 1-1h3.5c.6 0 1 .4 1 1 0 1.3.2 2.5.6 3.6.1.3 0 .7-.2 1l-2.3 2.2z'/%3E%3C/svg%3E")}
.ico-door{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8'%3E%3Crect x='5' y='3' width='14' height='18' rx='1'/%3E%3Cpath d='M12 3v18M15 12h1'/%3E%3C/svg%3E")}
.ico-grid{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8'%3E%3Crect x='3.5' y='3.5' width='7' height='7' rx='1.5'/%3E%3Crect x='13.5' y='3.5' width='7' height='7' rx='1.5'/%3E%3Crect x='3.5' y='13.5' width='7' height='7' rx='1.5'/%3E%3Crect x='13.5' y='13.5' width='7' height='7' rx='1.5'/%3E%3C/svg%3E")}
.ico-calc{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8'%3E%3Crect x='5' y='2.5' width='14' height='19' rx='2'/%3E%3Cpath d='M8 7h8M8.5 12h.01M12 12h.01M15.5 12h.01M8.5 16h.01M12 16h.01M15.5 16h.01' stroke-linecap='round' stroke-width='2.2'/%3E%3C/svg%3E")}
.ico-swatch{--i:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8'%3E%3Ccircle cx='12' cy='12' r='8.5'/%3E%3Cpath d='M12 3.5v17M3.5 12h17'/%3E%3C/svg%3E")}

/* ---------- 按鈕 ---------- */
.btn-dark,.btn-light,.btn-line,.btn-glass,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:500;letter-spacing:.08em;transition:transform .2s,background .2s,box-shadow .2s;white-space:nowrap}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-line{background:var(--green);color:#fff}
.btn-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.45);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.btn-ghost{border:1px solid var(--line);background:var(--paper)}
.btn-line i,.btn-glass i,.btn-light i{margin-right:8px}
.big{height:54px;font-size:16px;padding:0 28px}
.btn-dark:active,.btn-light:active,.btn-line:active,.btn-glass:active,.btn-ghost:active{transform:scale(.97)}

/* ---------- 頂部列（手機） ---------- */
.topbar{position:fixed;top:0;left:0;right:0;z-index:80;height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;padding-top:env(safe-area-inset-top,0px);color:#fff;transition:background .3s,color .3s,box-shadow .3s}
.topbar.solid{background:rgba(251,250,247,.97);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.brand{display:flex;align-items:center}
.brand img{filter:invert(1);transition:filter .3s;margin-right:10px}
.topbar.solid .brand img{filter:none}
.brand-txt{font-family:var(--serif);font-weight:700;font-size:16px;letter-spacing:.22em;line-height:1.15}
.brand-txt em{display:block;font-style:normal;font-family:var(--sans);font-size:9px;font-weight:500;letter-spacing:.36em;opacity:.65}
.topnav,.top-actions{display:none}
.top-call{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid currentColor;opacity:.9}
.top-call i{width:18px;height:18px}

/* ---------- 手機底部導覽 ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:grid;grid-template-columns:repeat(5,1fr);height:calc(var(--tabbar) + var(--safe-b));padding-bottom:var(--safe-b);background:#fbfaf7;border-top:1px solid var(--line)}
.tabbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--mute);letter-spacing:.1em;line-height:1.4}
.tabbar a i{width:22px;height:22px;margin-bottom:3px}
.tabbar a.on{color:var(--ink)}
.tabbar .tab-main{position:relative;color:var(--ink);font-weight:500}
.tabbar .tab-main::before{content:"";position:absolute;left:50%;top:-14px;width:50px;height:50px;margin-left:-25px;border-radius:50%;background:var(--ink);box-shadow:0 8px 20px rgba(0,0,0,.2)}
.tabbar .tab-main i{position:relative;width:24px;height:24px;background:#fff;transform:translateY(-12px);margin-bottom:0}
.tabbar .tab-line{color:var(--green);font-weight:500}
.float-line{display:none}

/* ---------- 首頁 ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:560px;max-height:980px;overflow:hidden;background:#cfd2d4;color:#fff}
.hero-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-shade{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(180deg,rgba(20,20,18,.35) 0%,rgba(20,20,18,0) 22%,rgba(20,20,18,0) 45%,rgba(20,20,18,.72) 100%)}
.hero-copy{position:absolute;left:0;right:0;bottom:0;padding:0 22px calc(var(--tabbar) + 34px)}
.hero h1{font-family:var(--serif);font-weight:700;font-size:38px;line-height:1.35;letter-spacing:.1em;margin-bottom:14px;text-shadow:0 2px 24px rgba(0,0,0,.2)}
.hero-sub{font-size:14px;letter-spacing:.12em;opacity:.92;line-height:1.9}
.hero-cta{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;margin-top:24px}
.hero-cta a{padding:0 10px;font-size:14px}
.scroll-hint{display:none}
.hero-copy>*{opacity:0;transform:translateY(16px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.hero-copy>*:nth-child(2){animation-delay:.12s}.hero-copy>*:nth-child(3){animation-delay:.24s}.hero-copy>*:nth-child(4){animation-delay:.36s}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------- 區塊共用 ---------- */
section{position:relative}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:26px}
.sec-sub{font-size:13px;color:var(--mute);margin-top:6px}
.sec-head.light h2{color:#fff}
.sec-head.light .sec-sub{color:#a5a29b}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* 數字 */
.intro{padding:64px 0 40px}
.intro h2{font-size:26px;margin-bottom:12px}
.intro-text p{color:var(--ink2)}
.numbers{list-style:none;display:grid;grid-template-columns:1fr 1fr;grid-gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-top:30px}
.numbers li{background:var(--paper);padding:20px 18px}
.numbers b{font-family:var(--serif);font-size:34px;font-weight:700;line-height:1}
.numbers small{font-size:13px;margin-left:3px;color:var(--ink2)}
.numbers span{display:block;font-size:12px;color:var(--mute);margin-top:8px;letter-spacing:.15em}

/* 特點：手機橫向滑動 */
.features{padding:40px 0 64px}
.feat-rail{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;padding:0 20px 8px;scrollbar-width:none}
.feat-rail::-webkit-scrollbar{display:none}
.feat{flex:0 0 74%;scroll-snap-align:start;margin-right:12px;background:var(--paper);border-radius:var(--r);overflow:hidden;position:relative;border:1px solid var(--line)}
.feat:last-child{margin-right:20px}
.ph{position:relative;padding-bottom:75%;overflow:hidden;background:#e6e3dc}
.ph img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.feat .no{position:absolute;top:12px;left:14px;font-family:var(--serif);color:#fff;font-size:13px;letter-spacing:.2em;text-shadow:0 1px 8px rgba(0,0,0,.4)}
.feat h3{font-size:16px;padding:16px 18px 4px;letter-spacing:.1em}
.feat h3 small{display:block;font-size:11px;font-weight:400;color:var(--bronze);letter-spacing:.2em}
.feat p{font-size:13px;color:var(--ink2);padding:0 18px 20px;line-height:1.8}

/* 門型 */
.doors{padding:64px 0;background:var(--paper)}
.door-tabs{display:flex;overflow-x:auto;scrollbar-width:none;margin:0 -20px 18px;padding:0 20px}
.door-tabs::-webkit-scrollbar{display:none}
.door-tabs button{flex:none;height:40px;padding:0 18px;margin-right:8px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;letter-spacing:.15em;color:var(--ink2);transition:.25s}
.door-tabs button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.door-stage{border-radius:var(--r);overflow:hidden;background:#fff;border:1px solid var(--line)}
.ds-ph{position:relative;padding-bottom:70%;overflow:hidden;background:#e9e7e2}
.ds-ph img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;animation:fadeIn .5s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.ds-body{padding:22px 20px 24px}
.ds-body h3{font-family:var(--serif);font-size:24px;letter-spacing:.2em}
.ds-body h3 small{font-family:var(--sans);font-size:12px;color:var(--bronze);letter-spacing:.15em;margin-left:10px;font-weight:500}
.ds-spec{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;margin:16px 0}
.ds-spec div{background:var(--bg);border-radius:var(--r-s);padding:10px 12px}
.ds-spec span{display:block;font-size:11px;color:var(--mute);letter-spacing:.12em}
.ds-spec b{font-size:16px;font-weight:500}
.ds-hw{font-size:13px;color:var(--ink2)}
.ds-hw em{font-style:normal;display:inline-block;border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin:4px 6px 0 0;font-size:12px;background:var(--paper)}
.ds-go{margin-top:18px;width:100%}

/* 案例 */
.cases{padding:64px 0}
.chips{display:flex;overflow-x:auto;scrollbar-width:none;margin:0 -20px 18px;padding:0 20px}
.chips::-webkit-scrollbar{display:none}
.chips button{flex:none;height:34px;padding:0 14px;margin-right:8px;border-radius:999px;border:1px solid var(--line);font-size:13px;color:var(--ink2);background:var(--paper);letter-spacing:.1em}
.chips button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.case-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px}
.case{position:relative;border-radius:var(--r-s);overflow:hidden;background:#ddd;cursor:pointer;text-align:left;color:#fff}
.case .ph{padding-bottom:125%}
.case:first-child{grid-column:1/-1}
.case:first-child .ph{padding-bottom:66%}
.case::after{content:"";position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(transparent,rgba(0,0,0,.6))}
.case-cap{position:absolute;left:12px;right:12px;bottom:10px;z-index:1;line-height:1.5}
.case-cap b{display:block;font-size:13px;font-weight:500;letter-spacing:.06em}
.case-cap span{font-size:11px;opacity:.85;letter-spacing:.1em}
.case-tag{position:absolute;top:10px;left:10px;z-index:1;font-size:10px;letter-spacing:.2em;background:rgba(255,255,255,.88);color:var(--ink);padding:2px 8px;border-radius:999px}
.case-count{position:absolute;top:10px;right:10px;z-index:1;font-size:11px;background:rgba(0,0,0,.45);padding:1px 8px;border-radius:999px}
.case.hide{display:none}
.case-empty{grid-column:1/-1;text-align:center;color:var(--mute);padding:40px 0;font-size:14px}

/* 材質 */
.materials{background:var(--dark);color:#e9e7e2;padding:64px 0}
.mat-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px 10px}
.mat{text-align:center;color:#d8d5ce}
.mat .sw{position:relative;padding-bottom:100%;border-radius:12px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.35);transition:transform .25s,box-shadow .25s}
.mat .sw img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.mat .sw::after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;border-radius:12px;box-shadow:inset 0 0 0 0 #fff;transition:box-shadow .2s}
.mat.on .sw::after{box-shadow:inset 0 0 0 3px #fff}
.mat.on .sw{transform:translateY(-3px)}
.mat b{display:block;font-size:12px;font-weight:500;margin-top:8px;letter-spacing:.06em;line-height:1.4}
.mat span{font-size:11px;color:#9b978f}
.mat-detail{margin-top:24px;background:var(--dark2);border:1px solid #33322f;border-radius:var(--r);padding:18px;display:grid;grid-template-columns:88px 1fr;grid-gap:16px;align-items:center}
.mat-detail .big-sw{width:88px;height:88px;border-radius:12px;overflow:hidden}
.mat-detail .big-sw img{width:100%;height:100%;object-fit:cover}
.mat-detail h4{font-family:var(--serif);font-size:20px;letter-spacing:.15em;color:#fff}
.mat-detail p{font-size:13px;color:#a5a29b;line-height:1.6}
.mat-detail .price{font-size:22px;color:#fff;font-weight:500}
.mat-detail .price small{font-size:12px;color:#a5a29b}
.mat-detail .btn-light{grid-column:1/-1;height:44px}

/* ---------- 估價器 ---------- */
.quote{padding:64px 0;background:var(--bg)}
.q-app{display:block}
.q-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:14px}
.q-card h3{font-size:15px;letter-spacing:.15em;display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.q-card h3 .n{display:inline-flex;width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;align-items:center;justify-content:center;margin-right:10px;letter-spacing:0;font-family:var(--serif)}
.q-card h3 .t{display:flex;align-items:center}
.q-del{font-size:12px;color:var(--mute);letter-spacing:.1em;padding:4px 8px;border-radius:6px}
.q-del:hover{color:#b3261e}
.seg{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:6px}
.seg.two{grid-template-columns:1fr 1fr}
.seg button{height:42px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;font-size:14px;letter-spacing:.12em;color:var(--ink2);transition:.2s}
.seg button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.seg button small{font-size:10px;opacity:.7;margin-left:3px;letter-spacing:0}
.field-row{display:grid;grid-template-columns:1fr 1fr 84px;grid-gap:8px;margin-top:12px}
.fld{display:block}
.fld>span{display:block;font-size:12px;color:var(--mute);margin-bottom:4px;letter-spacing:.1em}
.fld input,.fld select{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-s);background:#fff;padding:0 12px;font-size:16px;-webkit-appearance:none;appearance:none}
.fld select{background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' fill='none' stroke-width='1.6'/%3E%3C/svg%3E") right 12px center no-repeat;padding-right:32px}
.fld input:focus,.fld select:focus{outline:none;border-color:var(--ink)}
.fld input.err{border-color:#c0392b;background:#fdf3f1}
.q-sub{font-size:12px;color:var(--mute);letter-spacing:.12em;margin:16px 0 8px}
.q-mats{display:flex;overflow-x:auto;scrollbar-width:none;margin:0 -18px;padding:2px 18px 6px}
.q-mats::-webkit-scrollbar{display:none}
.q-mat{flex:none;width:66px;margin-right:8px;text-align:center;font-size:11px;color:var(--ink2);line-height:1.35}
.q-mat i{display:block;width:66px;height:66px;border-radius:10px;background-size:cover;background-position:center;margin-bottom:5px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06);transition:.2s}
.q-mat.on i{box-shadow:inset 0 0 0 3px var(--ink)}
.q-mat.on{color:var(--ink);font-weight:500}
.q-mat small{display:block;color:var(--mute);font-size:10px}
.q-hw{border-top:1px dashed var(--line);margin-top:14px}
.hw-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line)}
.hw-row:last-child{border-bottom:0}
.hw-row label{font-size:14px;line-height:1.45}
.hw-row label small{display:block;font-size:11px;color:var(--mute)}
.hw-row.off{opacity:.45}
.step{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;height:36px}
.step button{width:36px;height:34px;font-size:18px;color:var(--ink2)}
.step b{min-width:22px;text-align:center;font-weight:500;font-size:15px}
.sw-toggle{position:relative;width:24px;height:24px;border:1.5px solid #bdb8ad;border-radius:6px;background:#fff;transition:.2s;flex:none}
.sw-toggle.on{background:var(--ink);border-color:var(--ink)}
.sw-toggle.on::after{content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.q-preview{display:flex;align-items:center;margin-top:14px;padding:12px;background:var(--bg);border-radius:var(--r-s)}
.q-preview svg{flex:none;margin-right:14px}
.q-preview .pv-txt{font-size:12px;color:var(--ink2);line-height:1.7}
.q-preview .pv-txt b{font-size:18px;color:var(--ink);font-weight:500}
.q-warn{font-size:12px;color:#b3261e;margin-top:8px}
.q-add{width:100%;height:50px;border:1.5px dashed #c9c4b9;border-radius:var(--r);font-size:15px;letter-spacing:.15em;color:var(--ink2);background:transparent;margin-bottom:14px}
.q-add:active{background:var(--paper)}

.q-sum{background:var(--ink);color:#f1efe9;border-radius:var(--r);padding:20px;position:relative}
.q-sum h3{font-family:var(--serif);font-size:18px;letter-spacing:.2em;margin-bottom:12px;color:#fff}
.q-lines{list-style:none;font-size:13px}
.q-lines li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.08);line-height:1.5}
.q-lines li span{color:#b9b5ab;padding-right:12px}
.q-lines li span small{display:block;font-size:11px;color:#8d8980}
.q-lines li b{font-weight:500;white-space:nowrap}
.q-lines li.grp{border:0;padding:12px 0 2px;color:#fff;font-size:12px;letter-spacing:.2em}
.q-lines li.grp span{color:#fff}
.q-total{display:flex;align-items:baseline;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.25)}
.q-total span{font-size:13px;letter-spacing:.2em;color:#b9b5ab}
.q-total b{font-family:var(--serif);font-size:30px;color:#fff;letter-spacing:.02em}
.q-note{font-size:11px;color:#8d8980;line-height:1.7;margin-top:10px}
.q-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;margin-top:16px}
.q-actions .btn-light,.q-actions .btn-line{height:48px;padding:0 10px;font-size:14px}
.q-empty{color:#8d8980;font-size:13px;padding:10px 0}

/* 手機：估價底部總額列 */
.q-bar{position:fixed;left:10px;right:10px;bottom:calc(var(--tabbar) + var(--safe-b) + 8px);z-index:85;background:var(--ink);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:space-between;padding:10px 10px 10px 18px;box-shadow:0 10px 30px rgba(0,0,0,.25);transform:translateY(140%);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.q-bar.show{transform:none}
.q-bar span{font-size:11px;color:#b9b5ab;letter-spacing:.15em;display:block;line-height:1.2}
.q-bar b{font-family:var(--serif);font-size:20px;line-height:1.2}
.q-bar a{height:40px;padding:0 16px;font-size:13px}

/* 流程 */
.process{padding:64px 0;background:var(--paper)}
.timeline{list-style:none;counter-reset:t;position:relative}
.timeline::before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:1px;background:var(--line)}
.timeline li{counter-increment:t;position:relative;padding:0 0 22px 50px}
.timeline li::before{content:counter(t,decimal-leading-zero);position:absolute;left:0;top:0;width:31px;height:31px;border-radius:50%;background:var(--ink);color:#fff;font-family:var(--serif);font-size:11px;display:flex;align-items:center;justify-content:center;letter-spacing:0}
.timeline b{display:block;font-size:16px;letter-spacing:.12em;line-height:1.9}
.timeline span{font-size:13px;color:var(--ink2)}

/* 服務地區 */
.area{padding:64px 0}
.area h2{font-size:26px;margin-bottom:10px}
.area p{color:var(--ink2)}
.area-list{list-style:none;margin-top:24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.area-list li{display:flex;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line);font-size:14px}
.area-list li:last-child{border:0}
.area-list b{font-weight:500}

/* 軌道 */
.track{padding:0 0 64px}
.ph-tall{position:relative;padding-bottom:66%;border-radius:var(--r);overflow:hidden;margin-bottom:26px}
.ph-tall img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.track h2{font-size:26px;margin-bottom:14px}
.spec{display:grid;grid-template-columns:84px 1fr;font-size:14px}
.spec dt{color:var(--mute);padding:10px 0;border-bottom:1px solid var(--line)}
.spec dd{padding:10px 0;border-bottom:1px solid var(--line)}

/* FAQ */
.faq{padding:64px 0;background:var(--paper)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;padding:18px 36px 18px 0;font-size:15px;font-weight:500;position:relative;letter-spacing:.06em}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:1.5px solid var(--ink2);border-bottom:1.5px solid var(--ink2);transform:translateY(-70%) rotate(45deg);transition:transform .3s}
.acc details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.acc details p{padding:0 0 18px;font-size:14px;color:var(--ink2)}

/* 聯絡 */
.contact{background:var(--dark);color:#e9e7e2;padding:72px 0;overflow:hidden}
.contact-bg{position:absolute;top:0;left:0;right:0;bottom:0;opacity:.28}
.contact-bg img{width:100%;height:100%;object-fit:cover}
.contact-grid{position:relative}
.contact h2{font-size:26px;color:#fff;margin-bottom:24px}
.contact-btns{display:grid;grid-gap:10px}
.contact-btns i.dark{background:var(--ink)}
.contact-info{list-style:none;margin-top:32px;font-size:14px}
.contact-info li{display:flex;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.contact-info span{color:#9b978f;width:52px;flex:none}
.contact-info a{border-bottom:1px solid rgba(255,255,255,.3)}
.footer{background:#121211;color:#77746d;text-align:center;font-size:11px;padding:26px 20px;letter-spacing:.08em}
.footer img{margin:0 auto 10px;opacity:.6}

/* 燈箱 */
.lightbox{position:fixed;top:0;left:0;right:0;bottom:0;z-index:200;background:#0c0c0b;display:none;flex-direction:column;justify-content:center}
.lightbox.open{display:flex}
.lb-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;width:100%}
.lb-track::-webkit-scrollbar{display:none}
.lb-track figure{flex:0 0 100%;scroll-snap-align:center;display:flex;align-items:center;justify-content:center;padding:0 10px}
.lb-track img{max-height:76vh;border-radius:8px;object-fit:contain}
.lb-meta{color:#ddd;text-align:center;padding:18px 20px;font-size:14px;letter-spacing:.08em;line-height:1.7}
.lb-meta small{display:block;color:#8a8780;font-size:12px}
.lb-close{position:absolute;top:calc(env(safe-area-inset-top,0px) + 10px);right:12px;width:44px;height:44px;color:#fff;font-size:32px;line-height:1;z-index:2}

/* 估價單圖片視窗 */
.sheet{position:fixed;top:0;left:0;right:0;bottom:0;z-index:210;background:rgba(0,0,0,.55);display:none;align-items:flex-end;justify-content:center}
.sheet.open{display:flex;animation:fadeIn .25s}
.sheet-card{background:var(--paper);width:100%;max-width:560px;max-height:92vh;border-radius:20px 20px 0 0;display:flex;flex-direction:column;padding-bottom:var(--safe-b);animation:up .35s cubic-bezier(.2,.7,.2,1)}
@keyframes up{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
.sheet-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.sheet-head b{letter-spacing:.15em}
.sheet-x{font-size:28px;line-height:1;width:36px;height:36px}
.sheet-body{overflow:auto;padding:14px;background:#e9e6df;flex:1}
.sheet-body img{width:100%;border-radius:6px;box-shadow:0 4px 18px rgba(0,0,0,.12);-webkit-touch-callout:default}
.sheet-actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;padding:12px 14px 4px}
.sheet-actions button{height:48px}
.sheet-tip{font-size:11px;color:var(--mute);text-align:center;padding:4px 0 10px}

.toast{position:fixed;left:50%;bottom:calc(var(--tabbar) + var(--safe-b) + 80px);transform:translate(-50%,20px);background:rgba(29,28,26,.92);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:.3s;z-index:300;white-space:nowrap}
.toast.show{opacity:1;transform:translate(-50%,0)}


/* ---------- 實拍照片版面 ---------- */
.hero-inset{display:none}
.ds-ph{padding-bottom:118%;cursor:zoom-in}
.ds-zoom{position:absolute;right:12px;bottom:12px;font-size:11px;letter-spacing:.12em;color:#fff;background:rgba(0,0,0,.45);padding:3px 10px;border-radius:999px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.ds-thumbs{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:6px;padding:8px;background:#fff}
.ds-thumbs button{position:relative;padding-bottom:100%;border-radius:8px;overflow:hidden;opacity:.55;transition:opacity .2s}
.ds-thumbs button.on{opacity:1;box-shadow:inset 0 0 0 2px var(--ink)}
.ds-thumbs img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.chips button small{font-size:10px;margin-left:5px;opacity:.6;letter-spacing:0}
.gal-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px}
.gal-item{position:relative;padding-bottom:133%;border-radius:10px;overflow:hidden;background:#e4e1da;animation:fadeIn .5s ease}
.gal-item img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.gal-item span{position:absolute;left:8px;bottom:8px;font-size:10px;letter-spacing:.14em;color:#fff;background:rgba(0,0,0,.4);padding:1px 8px;border-radius:999px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.gal-more{text-align:center;margin-top:22px}
.gal-more .btn-ghost{min-width:220px}
.lb-stage{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;padding:60px 8px 90px}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;opacity:0;transform:scale(.985);transition:opacity .35s,transform .35s}
.lb-stage img.in{opacity:1;transform:none}
.lb-nav{position:absolute;top:50%;width:46px;height:46px;margin-top:-23px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;font-size:30px;line-height:1;z-index:2}
.lb-prev{left:10px}.lb-next{right:10px}
.lightbox .lb-meta{position:absolute;left:0;right:0;bottom:calc(var(--safe-b) + 18px)}

/* ---------- 特點（PDF 版型） ---------- */
.frows{display:grid;grid-gap:14px}
.frow{display:grid;grid-template-columns:1fr;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.frow-ph{position:relative;padding-bottom:49.6%;background:#ddd}
.frow-ph img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}
.frow-txt{padding:18px 20px 20px}
.frow-txt h3{font-size:16px;font-weight:500;letter-spacing:.22em;margin-bottom:6px}
.frow-txt h3 span{color:var(--mute);margin:0 4px}
.frow-txt p{font-size:13px;color:var(--ink2);letter-spacing:.16em;line-height:2}
.h-sub{display:block;font-family:var(--sans);font-size:14px;font-weight:400;color:var(--mute);letter-spacing:.2em;margin-top:4px}
/* ---------- 服務地區看板（PDF 版型） ---------- */
.board{background:#1f1f1e url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");color:#e8e6e1;border-radius:var(--r);padding:28px 22px 22px;display:grid;grid-template-columns:1fr;justify-items:center;text-align:center;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.board-map img{width:170px;height:auto;}
.board-txt{margin-top:18px;letter-spacing:.22em}
.board-txt dt{font-size:13px;color:#b9b5ab;margin-top:14px}
.board-txt dd{font-size:15px;color:#fff;margin-top:2px}
.board-note{grid-column:1/-1;font-size:12px;color:#8f8b83;margin-top:20px;letter-spacing:.15em}
/* ---------- 估價：地區 ---------- */
.q-region{display:grid;grid-template-columns:88px 1fr;grid-gap:14px;align-items:center}
.q-map{position:relative;background:#1f1f1e;border-radius:12px;padding:8px 6px 6px;text-align:center}
.q-map img{width:100%;height:auto;;display:block}
.q-map span{display:block;font-size:9px;line-height:1.5;color:#d9d5cc;letter-spacing:.1em;margin-top:4px}
.q-regs{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:6px}
.q-regs button{height:36px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;font-size:13px;letter-spacing:.1em;color:var(--ink2)}
.q-regs button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.q-regnote{font-size:12px;color:#b3261e;margin-top:8px}
.q-regnote:empty{display:none}
.q-preview svg{filter:drop-shadow(0 2px 6px rgba(0,0,0,.06))}

/* ---------- 估價：報價系統版 ---------- */
.q-opt{font-size:11px;color:var(--mute);font-weight:400;letter-spacing:.1em}
.q-cust{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;margin-bottom:14px}
.q-cust .wide{grid-column:1/-1}
.q-tools button{font-size:12px;color:var(--mute);letter-spacing:.1em;padding:4px 8px;border-radius:6px}
.q-tools .q-del{color:var(--mute)}
.q-sub small{font-size:11px;letter-spacing:.05em}
.q-divs{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:6px}
.q-div{display:flex;flex-direction:column;align-items:center;padding:8px 0 6px;border:1px solid var(--line);border-radius:var(--r-s);background:#fff;color:#9a968e;font-size:11px;letter-spacing:.05em}
.q-div span{margin-top:4px;color:var(--ink2)}
.q-div.on{border-color:var(--ink);color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.q-handles{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:6px;margin-top:10px}
.q-handles button{height:38px;border-radius:var(--r-s);border:1px solid var(--line);background:#fff;font-size:12px;color:var(--ink2);letter-spacing:.05em}
.q-handles button.on{background:var(--ink);border-color:var(--ink);color:#fff}
.q-preview{align-items:center}
.pv-draw{flex:none;margin-right:14px;text-align:center}
.pv-draw span{display:block;font-size:10px;color:var(--mute);letter-spacing:.2em}
.pv-txt b{display:inline-block;margin-bottom:2px}

.q-basic{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px}
/* 面材：往下排列 */
.q-mats{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px 8px;margin:0;padding:0;overflow:visible}
.q-mat{width:auto;margin:0}
.q-mat i{width:100%;height:auto;padding-bottom:100%}
/* 門型線條圖 */
.lico{width:30px;height:30px;display:block}
.q-types button{height:auto;padding:8px 0 6px;display:flex;flex-direction:column;align-items:center;letter-spacing:.1em}
.q-types button .lico{margin-bottom:2px;opacity:.8}
.q-types button.on .lico{opacity:1}
.door-tabs button{display:inline-flex;align-items:center;height:46px}
.door-tabs button .lico{width:26px;height:26px;margin-right:6px}
.tl-ico{display:block;color:var(--bronze);margin:0 0 6px}
.tl-ico .lico{width:40px;height:40px}
/* =========================================================
   電腦版 ≥ 900px
   ========================================================= */
@media (min-width:900px){
  body{padding-bottom:0;font-size:16px}
  .m-only{display:none}
  .wrap{padding:0 40px}
  .tabbar,.top-call,.q-bar{display:none}
  .topbar{height:76px;padding:0 40px}
  .topbar.solid{height:64px}
  .brand-txt{font-size:18px}
  .topnav{display:flex;position:absolute;left:50%;transform:translateX(-50%)}
  .topnav a{margin:0 18px;font-size:14px;letter-spacing:.22em;position:relative;padding:6px 0;opacity:.88}
  .topnav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transition:transform .3s}
  .topnav a:hover::after,.topnav a.on::after{transform:scaleX(1)}
  .top-actions{display:flex}
  .top-actions a{height:40px;font-size:13px;padding:0 18px;margin-left:10px}
  .topbar:not(.solid) .btn-dark{background:#fff;color:var(--ink)}
  .float-line{display:flex;position:fixed;right:28px;bottom:28px;z-index:85;width:58px;height:58px;border-radius:50%;background:var(--green);color:#fff;align-items:center;justify-content:center;box-shadow:0 10px 26px rgba(6,199,85,.35);transition:transform .25s}
  .float-line:hover{transform:scale(1.08)}
  .float-line i{width:30px;height:30px}

  .hero{height:100vh;max-height:none}
  .hero-shade{background:linear-gradient(90deg,rgba(18,18,16,.62) 0%,rgba(18,18,16,.25) 45%,rgba(18,18,16,0) 70%),linear-gradient(180deg,rgba(18,18,16,.35),transparent 20%)}
  .hero-copy{top:50%;bottom:auto;transform:translateY(-50%);max-width:1200px;margin:0 auto;padding:0 40px}
  .hero h1{font-size:64px;margin-bottom:22px}
  .hero-sub{font-size:17px}
  .hero-cta{display:flex;margin-top:36px}
  .hero-cta a{padding:0 30px;height:52px;font-size:15px;margin-right:12px}
  .scroll-hint{display:block;position:absolute;left:50%;bottom:30px;width:26px;height:42px;border:1.5px solid rgba(255,255,255,.7);border-radius:14px;transform:translateX(-50%)}
  .scroll-hint span{position:absolute;left:50%;top:8px;width:3px;height:8px;margin-left:-1.5px;background:#fff;border-radius:2px;animation:wheel 1.8s infinite}
  @keyframes wheel{0%{opacity:1;transform:none}100%{opacity:0;transform:translateY(12px)}}

  .sec-head{margin-bottom:44px}
  .sec-head h2{font-size:38px}
  .sec-sub{font-size:14px}
  .intro{padding:120px 0 60px}
  .intro-grid{display:grid;grid-template-columns:1fr 1.1fr;grid-gap:80px;align-items:center}
  .intro h2{font-size:38px;margin-bottom:18px}
  .numbers{grid-template-columns:repeat(4,1fr);margin-top:0}
  .numbers li{padding:30px 22px}
  .numbers b{font-size:46px}

  .features{padding:60px 0 120px}
  .feat-rail{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:18px;max-width:1200px;margin:0 auto;padding:0 40px;overflow:visible}
  .feat{margin:0!important}
  .feat:hover .ph img{transform:scale(1.06)}
  .feat:nth-child(2){transition-delay:.08s}.feat:nth-child(3){transition-delay:.16s}.feat:nth-child(4){transition-delay:.24s}.feat:nth-child(5){transition-delay:.32s}

  .doors,.cases,.materials,.quote,.process,.area,.faq{padding:120px 0}
  .door-tabs{margin:0 0 26px;padding:0;justify-content:center}
  .door-tabs button{height:46px;padding:0 26px;font-size:15px}
  .door-tabs button:hover{border-color:var(--ink)}
  .door-stage{display:grid;grid-template-columns:1.45fr 1fr}
  
  .ds-body{padding:52px 46px;display:flex;flex-direction:column;justify-content:center}
  .ds-body h3{font-size:34px}
  .ds-go{width:auto;align-self:flex-start;margin-top:26px}

  .chips{justify-content:center;margin:0 0 30px;padding:0}
  .chips button:hover{border-color:var(--ink)}
  .case-grid{grid-template-columns:repeat(3,1fr);grid-gap:18px}
  .case:first-child{grid-column:span 2;grid-row:span 2}
  .case:first-child .ph{padding-bottom:0;height:100%;min-height:100%}
  .case .ph{padding-bottom:110%}
  .case .ph img{transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
  .case:hover .ph img{transform:scale(1.05)}
  .case-cap{left:20px;bottom:18px}
  .case-cap b{font-size:16px}

  .mat-layout{display:grid;grid-template-columns:1.6fr 1fr;grid-gap:50px;align-items:start}
  .mat-grid{grid-gap:26px 20px}
  .mat{cursor:pointer}
  .mat:hover .sw{transform:translateY(-4px);box-shadow:0 14px 28px rgba(0,0,0,.45)}
  .mat b{font-size:14px}
  .mat-detail{position:sticky;top:100px;margin-top:0;display:block;padding:26px}
  .mat-detail .big-sw{width:100%;height:auto;padding-bottom:100%;position:relative;margin-bottom:20px}
  .mat-detail .big-sw img{position:absolute;top:0;left:0}
  .mat-detail h4{font-size:26px}
  .mat-detail .btn-light{width:100%;margin-top:18px}

  /* 電腦版估價：左表單、右側固定明細 */
  .q-app{display:grid;grid-template-columns:1.25fr 1fr;grid-gap:30px;align-items:start}
  .q-card{padding:26px 28px}
  .q-mats{grid-template-columns:repeat(6,1fr)}
  .q-mat{cursor:pointer}
  .q-mat:hover i{transform:translateY(-2px)}
  .q-side{position:sticky;top:90px}
  .q-sum{padding:28px}
  .q-total b{font-size:36px}
  .seg button:hover{border-color:var(--ink)}

  .timeline{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:18px}
  .timeline::before{left:0;right:0;top:15px;bottom:auto;width:auto;height:1px}
  .timeline li{padding:48px 0 0}
  .tl-ico{margin-bottom:10px}
  .timeline li:nth-child(2){transition-delay:.08s}.timeline li:nth-child(3){transition-delay:.16s}.timeline li:nth-child(4){transition-delay:.24s}.timeline li:nth-child(5){transition-delay:.32s}.timeline li:nth-child(6){transition-delay:.4s}

  .area-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:80px;align-items:center}
  .area h2,.track h2{font-size:38px}
  .area-list{margin-top:0}
  .area-list li{padding:22px 26px;font-size:15px}
  .track{padding:0 0 120px}
  .track-grid{display:grid;grid-template-columns:1.1fr 1fr;grid-gap:70px;align-items:center}
  .ph-tall{margin:0;padding-bottom:75%}

  .contact{padding:130px 0}
  .contact-grid{display:grid;grid-template-columns:1.2fr 1fr;grid-gap:80px;align-items:end}
  .contact h2{font-size:42px;margin-bottom:34px}
  .contact-btns{display:flex}
  .contact-btns a{margin-right:12px}
  .contact-info{margin-top:0;font-size:15px}

  .sheet{align-items:center}
  .sheet-card{border-radius:20px;max-height:90vh}
  .toast{bottom:40px}


  .frows{grid-gap:22px}
  .frow{grid-template-columns:.44fr 1fr;background:none;border:0;border-radius:0;grid-gap:22px;overflow:visible}
  .frow-ph{padding-bottom:49.6%;border-radius:2px;overflow:hidden}
  .frow-txt{border:1px solid #cfcac0;background:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:26px 36px}
  .frow-txt h3{font-size:18px}
  .frow-txt p{font-size:15px}
  .board{grid-template-columns:1fr 1.2fr;text-align:center;padding:50px 60px 34px;align-items:center}
  .board-map img{width:250px}
  .board-txt{margin-top:0}
  .board-txt dt{font-size:15px;margin-top:26px}
  .board-txt dt:first-child{margin-top:0}
  .board-txt dd{font-size:19px}
  .q-region{grid-template-columns:110px 1fr;grid-gap:22px}
  .q-cust{grid-template-columns:1fr 1fr 1.4fr}
  .q-cust .wide{grid-column:auto}
  .q-div:hover,.q-handles button:hover{border-color:var(--ink)}
  .q-regs{grid-template-columns:repeat(3,1fr)}
  .q-regs button:hover{border-color:var(--ink)}
  /* 電腦版首頁：左文字、右實拍 */
  .hero{background:var(--bg);color:var(--ink);display:block}
  .hero-img{left:auto;right:0;width:46%;animation:none;transform:none}
  .hero-shade{display:none}
  .hero-copy{width:100%;padding-right:52%}
  .hero h1{text-shadow:none}
  .hero .kicker{color:var(--bronze)}
  .hero .btn-light{background:var(--ink);color:#fff}
  .hero .btn-glass{background:var(--green);border-color:var(--green)}
  .hero-inset{display:block;position:absolute;right:calc(46% - 120px);bottom:70px;width:230px;height:300px;object-fit:cover;border-radius:14px;border:6px solid var(--bg);box-shadow:0 20px 40px rgba(0,0,0,.18)}
  .scroll-hint{border-color:rgba(0,0,0,.35);left:27%}
  .scroll-hint span{background:var(--ink)}
  .topbar:not(.solid){color:var(--ink)}
  .topbar:not(.solid) .brand img{filter:none}
  .topbar:not(.solid) .btn-dark{background:var(--ink);color:#fff}
  .ds-media{background:#fff}
  .door-stage{grid-template-columns:1fr 1.05fr}
  .ds-ph{padding-bottom:0;height:560px}
  .ds-thumbs{grid-gap:8px;padding:10px}
  .gal-grid{grid-template-columns:repeat(4,1fr);grid-gap:14px}
  .gal-item{cursor:zoom-in}
  .gal-item:hover img{transform:scale(1.05)}
  .gal-grid{grid-auto-flow:dense}
  .gal-grid{grid-auto-rows:300px}
  .gal-item{padding-bottom:0;height:100%}
  .gal-item.big{grid-column:span 2;grid-row:span 2}
  .chips{flex-wrap:wrap;overflow:visible}
  .chips button{margin-bottom:8px}
  .hero h1{font-size:clamp(44px,4.3vw,66px);white-space:nowrap}
  .gal-more{margin-top:34px}
  .lb-stage{padding:70px 90px 90px}
  .lb-nav{width:56px;height:56px;margin-top:-28px;font-size:36px}
  .lb-nav:hover{background:rgba(255,255,255,.25)}
  .lb-prev{left:24px}.lb-next{right:24px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}