:root{--ink:#14181f;--paper:#f4f5f6;--white:#fff;--red:#c41e2d;--blue:#1d3f8f;--line:#d9dde2;--mut:#5d6672;--px:clamp(20px,5vw,72px);--hh:72px;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Noto Sans TC",system-ui,-apple-system,"PingFang TC",sans-serif;color:var(--ink);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;animation:enter .7s var(--ease) both}
body.leaving{opacity:0;transition:opacity .28s ease}
@keyframes enter{from{opacity:0}to{opacity:1}}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,.serif{font-family:"Noto Serif TC","PingFang TC",serif;font-weight:900;letter-spacing:.01em}
.wrap{padding-left:var(--px);padding-right:var(--px)}

/* header */
.bar{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--hh);display:flex;align-items:center;justify-content:space-between;padding:0 var(--px);transition:background .35s,box-shadow .35s,height .35s}
.bar .brand img{height:38px;width:auto;transition:filter .3s}
.bar nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,38px)}
.bar nav a{font-size:15px;font-weight:500;position:relative;padding:6px 0;color:var(--ink);transition:color .3s}
.bar nav a:not(.cta)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.bar nav a:not(.cta):hover::after,.bar nav a.on::after{transform:scaleX(1)}
.bar nav .cta{background:var(--red);color:#fff;padding:9px 20px;border-radius:2px;transition:background .25s}
.bar nav .cta:hover{background:#a3151f}
.bar.solid{background:rgba(255,255,255,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.bar.solid .brand img{filter:none}
body[data-page=home] .bar:not(.solid){background:linear-gradient(rgba(0,0,0,.45),transparent)}
body[data-page=home] .bar:not(.solid) nav a:not(.cta){color:#fff}
body[data-page=home] .bar:not(.solid) .brand{background:#fff;padding:5px 12px;border-radius:2px}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative}
.burger i{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:.3s}
.burger i:nth-child(1){top:16px}.burger i:nth-child(2){top:27px}
body[data-page=home] .bar:not(.solid) .burger i{background:#fff}
.menu-open .burger i:nth-child(1){top:21px;transform:rotate(45deg)}.menu-open .burger i:nth-child(2){top:21px;transform:rotate(-45deg)}
.menu-open .bar .burger i{background:var(--ink)!important}

/* hero slideshow */
.hero{position:relative;height:100vh;height:100svh;min-height:560px;background:#111;overflow:hidden;color:#fff}
.hero .slide{position:absolute;inset:0;opacity:0;transition:opacity 1.6s ease}
.hero .slide.on{opacity:1}
.hero .slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.02)}
.hero .slide.on img{animation:kb 9s ease-out forwards}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.1)}}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.28) 0%,rgba(0,0,0,0) 30%,rgba(0,0,0,.18) 55%,rgba(0,0,0,.78) 100%);pointer-events:none}
.hero-cap{position:absolute;z-index:3;left:var(--px);right:var(--px);bottom:clamp(64px,11vh,120px);max-width:980px}
.hero h1{font-size:clamp(34px,5.6vw,76px);line-height:1.2;text-wrap:balance;text-shadow:0 2px 24px rgba(0,0,0,.35)}
.hero p{margin-top:20px;font-size:clamp(15px,1.5vw,19px);max-width:620px;color:rgba(255,255,255,.92);text-wrap:pretty}
.btn{display:inline-block;margin-top:30px;background:var(--red);color:#fff;padding:14px 32px;font-weight:700;letter-spacing:.06em;border-radius:2px;transition:transform .3s var(--ease),background .25s}
.btn:hover{background:#a3151f;transform:translateY(-2px)}
.btn.ghost{background:transparent;border:1px solid currentColor;margin-left:12px}
.btn.ghost:hover{background:#fff;color:var(--ink)}
.hero-ui{position:absolute;z-index:3;right:var(--px);bottom:clamp(28px,5vh,52px);display:flex;align-items:center;gap:14px}
.dots{display:flex;gap:8px}
.dots button{width:34px;height:3px;border:0;background:rgba(255,255,255,.35);cursor:pointer;position:relative;overflow:hidden}
.dots button.on::after{content:"";position:absolute;inset:0;background:#fff;transform-origin:left;animation:fill var(--dur,6s) linear forwards}
@keyframes fill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.arr{width:42px;height:42px;border:1px solid rgba(255,255,255,.55);background:transparent;color:#fff;cursor:pointer;font-size:18px;transition:.25s}
.arr:hover{background:#fff;color:var(--ink)}
.scroll{position:absolute;z-index:3;left:var(--px);bottom:22px;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.75);display:flex;align-items:center;gap:12px}
.scroll::after{content:"";width:46px;height:1px;background:rgba(255,255,255,.6);animation:nudge 2s ease-in-out infinite}
@keyframes nudge{50%{transform:translateX(10px)}}

/* generic blocks */
.statement{padding:clamp(72px,11vw,150px) var(--px);max-width:1280px;margin:0 auto}
.statement .big{font-family:"Noto Serif TC",serif;font-weight:900;font-size:clamp(24px,3.4vw,46px);line-height:1.55;text-wrap:balance}
.statement .small{margin-top:26px;color:var(--mut);font-size:clamp(15px,1.3vw,18px);padding-left:18px;border-left:3px solid var(--red)}
.eyebrow{font-size:12px;letter-spacing:.32em;color:var(--red);font-weight:700;margin-bottom:14px;display:block}
.sec-h{font-size:clamp(28px,3.6vw,48px);line-height:1.25}

/* home: service tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.tile{position:relative;aspect-ratio:3/4;overflow:hidden;color:#fff;background:#111}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),opacity .5s}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 35%,rgba(0,0,0,.82))}
.tile:hover img{transform:scale(1.08)}
.tile .in{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:clamp(20px,2.2vw,34px)}
.tile .no{font-size:12px;letter-spacing:.3em;opacity:.8}
.tile h3{font-size:clamp(20px,1.9vw,28px);margin:8px 0 10px;line-height:1.3}
.tile .more{font-size:14px;display:inline-flex;gap:10px;align-items:center;opacity:0;transform:translateY(8px);transition:.4s var(--ease)}
.tile:hover .more,.tile:focus-visible .more{opacity:1;transform:none}
.tile .more::after{content:"→"}
@media(hover:none){.tile .more{opacity:1;transform:none}}

/* marquee */
.cases-strip{padding:clamp(64px,8vw,110px) 0 clamp(64px,8vw,110px);background:var(--paper)}
.cases-strip .head{display:flex;justify-content:space-between;align-items:end;padding:0 var(--px);margin-bottom:34px;gap:20px}
.link-arrow{font-weight:700;font-size:15px;display:inline-flex;gap:10px;border-bottom:2px solid var(--red);padding-bottom:3px;white-space:nowrap}
.link-arrow::after{content:"→";transition:transform .3s}
.link-arrow:hover::after{transform:translateX(6px)}
.marq{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.track{display:flex;gap:12px;width:max-content;animation:run 110s linear infinite}
.marq:hover .track{animation-play-state:paused}
@keyframes run{to{transform:translateX(-50%)}}
.marq a{flex:none;width:clamp(220px,24vw,340px);aspect-ratio:3/2;overflow:hidden;background:#ddd}
.marq img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.marq a:hover img{transform:scale(1.07)}

/* band */
.band{background:var(--ink);color:#fff;padding:clamp(56px,7vw,100px) var(--px);display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.band h2{font-size:clamp(24px,3vw,40px);line-height:1.35;max-width:680px;text-wrap:balance}
.band .btn{margin:0}

/* page head */
.phead{padding:calc(var(--hh) + clamp(56px,8vw,110px)) var(--px) clamp(40px,5vw,70px);max-width:1360px;margin:0 auto}
.phead h1{font-size:clamp(34px,5vw,68px);line-height:1.15}
.phead p{margin-top:18px;color:var(--mut);max-width:620px;font-size:clamp(15px,1.3vw,18px)}

/* services page */
.row{display:grid;grid-template-columns:5fr 7fr;min-height:min(680px,86vh);border-top:1px solid var(--line)}
.row:nth-of-type(even) .pic{order:-1}
.row .txt{padding:clamp(36px,6vw,96px) var(--px);display:flex;flex-direction:column;justify-content:center}
.row .txt .no{font-family:"Noto Serif TC",serif;font-weight:900;font-size:clamp(46px,6vw,88px);color:var(--line);line-height:1;margin-bottom:6px}
.row h2{font-size:clamp(26px,3vw,42px);line-height:1.25}
.row .txt p{margin:18px 0 22px;color:var(--mut);max-width:30em}
.row ul{list-style:none;display:grid;gap:0;max-width:30em}
.row li{padding:11px 0;border-top:1px solid var(--line);font-weight:500;display:flex;gap:14px;align-items:center;transition:padding .35s var(--ease),color .3s}
.row li::before{content:"";width:6px;height:6px;background:var(--red);transform:rotate(45deg);flex:none}
.row li:hover{padding-left:10px;color:var(--red)}
.pic{position:relative;overflow:hidden;background:#111;min-height:340px}
.pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--ease)}
.row:hover .pic img{transform:scale(1.04)}
.full{position:relative;color:#fff;border-top:1px solid var(--line);background:#111}
.full img{width:100%;height:auto;display:block}
.full .txt{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,5vw,80px);align-items:start;padding:clamp(32px,4.5vw,64px) var(--px) clamp(40px,5vw,72px);background:#14181f}
.full .no{font-family:"Noto Serif TC",serif;font-weight:900;font-size:clamp(46px,6vw,88px);color:rgba(255,255,255,.22);line-height:1}
.full h2{font-size:clamp(26px,3.2vw,46px);line-height:1.25}
.full p{margin:14px 0 0;color:rgba(255,255,255,.82);max-width:30em}
.full ul{list-style:none;align-self:end}
.full li{padding:11px 0;border-top:1px solid rgba(255,255,255,.22);display:flex;gap:14px;align-items:center;font-weight:500}
.full li::before{content:"";width:6px;height:6px;background:var(--red);transform:rotate(45deg);flex:none}

/* cases page */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(10px,1.4vw,20px);padding:0 var(--px) clamp(64px,8vw,120px);max-width:1520px;margin:0 auto}
.card{position:relative;aspect-ratio:3/2;overflow:hidden;background:#ddd;cursor:pointer;border:0;display:block;padding:0}
.card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease),filter .5s}
.card:hover img{transform:scale(1.07);filter:brightness(.82)}
.card .n{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.6);color:#fff;font-size:12px;letter-spacing:.1em;padding:3px 10px;border-radius:20px;opacity:0;transform:translateY(6px);transition:.35s}
.card:hover .n,.card:focus-visible .n{opacity:1;transform:none}
.card .plus{position:absolute;left:50%;top:50%;width:54px;height:54px;margin:-27px 0 0 -27px;border:1px solid #fff;border-radius:50%;opacity:0;transform:scale(.7);transition:.4s var(--ease)}
.card .plus::before,.card .plus::after{content:"";position:absolute;background:#fff;left:50%;top:50%}
.card .plus::before{width:18px;height:1px;margin:0 0 0 -9px}.card .plus::after{width:1px;height:18px;margin:-9px 0 0 0}
.card:hover .plus{opacity:1;transform:none}
.lb{position:fixed;inset:0;z-index:100;background:rgba(10,12,16,.95);display:none;align-items:center;justify-content:center;flex-direction:column;touch-action:pan-y}
.lb.on{display:flex;animation:enter .3s both}
.lb .stage{position:relative;width:min(1400px,92vw);height:min(80vh,calc(92vw*.68));display:flex;align-items:center;justify-content:center}
.lb img{max-width:100%;max-height:100%;object-fit:contain;animation:fadein .45s both}
@keyframes fadein{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:none}}
.lb button{position:absolute;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;width:48px;height:48px;font-size:20px;cursor:pointer;transition:.25s;z-index:2}
.lb button:hover{background:#fff;color:#000}
.lb .x{top:18px;right:18px}.lb .p{left:18px;top:50%;margin-top:-24px}.lb .nx{right:18px;top:50%;margin-top:-24px}
.lb .cnt{position:absolute;bottom:22px;color:#fff;font-size:13px;letter-spacing:.2em;opacity:.8}

/* process */
.steps{list-style:none;max-width:1100px;margin:0 auto;padding:0 var(--px) clamp(64px,8vw,120px);position:relative}
.steps li{display:grid;grid-template-columns:clamp(70px,12vw,170px) 1fr;gap:20px;padding:clamp(26px,3.4vw,46px) 0;border-top:1px solid var(--line);opacity:.25;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.steps li.in{opacity:1;transform:none}
.steps .n{font-family:"Noto Serif TC",serif;font-weight:900;font-size:clamp(44px,7vw,100px);line-height:1;color:var(--red)}
.steps h3{font-size:clamp(22px,2.6vw,34px);margin-bottom:8px}
.steps p{color:var(--mut);max-width:34em}

/* contact */
.ct{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(30px,6vw,100px);padding:0 var(--px) clamp(64px,8vw,120px);max-width:1360px;margin:0 auto}
.mail{display:block;font-family:"Noto Serif TC",serif;font-weight:900;font-size:clamp(24px,3.6vw,50px);line-height:1.2;word-break:break-all;border-bottom:3px solid var(--red);padding-bottom:12px;transition:color .3s}
.mail:hover{color:var(--red)}
.ct .btns{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.ct .btns .btn{margin:0}
.line-btn{background:#06c755}
.line-btn:hover{background:#05a847}
.line-btn.soon{background:#fff;color:var(--mut);border:1px dashed #9aa3ad;pointer-events:none}
dl.info{display:grid;gap:0}
dl.info div{padding:20px 0;border-top:1px solid var(--line)}
dl.info div:last-child{border-bottom:1px solid var(--line)}
dt{font-size:12px;letter-spacing:.28em;color:var(--red);font-weight:700;margin-bottom:4px}
dd{font-size:clamp(16px,1.4vw,19px)}

/* contact modal */
.btn.ghost.dark{color:var(--ink);border-color:var(--ink)}.btn.ghost.dark:hover{background:var(--ink);color:#fff}
.mdl{position:fixed;inset:0;z-index:120;background:rgba(10,12,16,.72);display:none;align-items:center;justify-content:center;padding:16px;overflow:auto}
.mdl.on{display:flex;animation:enter .3s both}
.mbox{position:relative;background:#fff;width:min(620px,100%);max-height:94vh;overflow:auto;padding:clamp(26px,4vw,46px);border-top:4px solid var(--red)}
.mbox h2{font-size:clamp(24px,3vw,34px)}.msub{color:var(--mut);margin:6px 0 18px;font-size:15px}
.mx{position:absolute;right:12px;top:12px;width:40px;height:40px;border:0;background:none;font-size:20px;cursor:pointer}
.mbox label{display:block;font-size:13px;font-weight:700;color:var(--mut);margin-bottom:14px}
.mbox input,.mbox select,.mbox textarea{display:block;width:100%;margin-top:5px;padding:11px 12px;border:1px solid var(--line);border-radius:2px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
.mbox input:focus,.mbox select:focus,.mbox textarea:focus{outline:2px solid var(--red);outline-offset:-1px}
.mbox .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mbox .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.merr{color:var(--red);font-size:14px;min-height:20px;margin-bottom:6px}
.mbox form .btn{margin:0;border:0;cursor:pointer;font:inherit;font-weight:700;width:100%}.mbox form .btn:disabled{opacity:.6}
.mok{display:none;text-align:center;padding:30px 0}.mok h3{font-size:26px;margin-bottom:10px}.mok a{color:var(--red);font-weight:700}
.mdl.done form,.mdl.done .msub,.mdl.done h2,.mdl.done .eyebrow{display:none}.mdl.done .mok{display:block}
@media(max-width:560px){.mbox .two{grid-template-columns:1fr;gap:0}}
/* footer */
footer{background:var(--ink);color:rgba(255,255,255,.7);padding:clamp(40px,5vw,64px) var(--px) 28px}
footer .top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.14)}
footer .lg{background:#fff;padding:8px 14px;display:inline-block;border-radius:2px}
footer .lg img{height:34px}
footer nav{display:flex;gap:26px;flex-wrap:wrap;align-items:center}
footer nav a{color:#fff;font-size:14px;opacity:.85}footer nav a:hover{opacity:1;color:#ff6b78}
footer .bot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:22px;font-size:13px}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}

@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:1000px){.tiles{grid-template-columns:repeat(2,1fr)}.tile{aspect-ratio:4/5}}
@media(max-width:900px){
.burger{display:block}
.bar nav{position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;flex-direction:column;justify-content:center;gap:26px;transform:translateY(-100%);transition:transform .5s var(--ease);z-index:-1}
.menu-open .bar nav{transform:none}
.bar nav a,body[data-page=home] .bar:not(.solid) nav a:not(.cta){font-size:22px;color:var(--ink)}
.menu-open .bar{background:#fff!important}
.row{grid-template-columns:1fr}.row:nth-of-type(even) .pic{order:0}
.row .pic{aspect-ratio:4/3;min-height:0}
.full .txt{grid-template-columns:1fr;gap:20px}
.grid{grid-template-columns:repeat(2,1fr)}
.ct{grid-template-columns:1fr}
.hero-ui .arr{display:none}
.scroll{display:none}
}
@media(max-width:560px){.tiles{grid-template-columns:1fr 1fr}.tile h3{font-size:17px}.grid{grid-template-columns:1fr}.cases-strip .head{flex-direction:column;align-items:flex-start}.btn.ghost{margin:12px 0 0}.hero-cap{bottom:84px}.dots button{width:22px}.lb .p{left:6px}.lb .nx{right:6px}.lb button{width:40px;height:40px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.hero .slide{transition:none}.rv,.steps li{opacity:1;transform:none}.track{animation:none;overflow-x:auto}}


img{-webkit-user-drag:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.hero,.tile,.card,.marq,.pic,.full,.lb{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}