/* ===== 膜鐵 MOTEi WRAP — shared styles (charcoal + titanium) ===== */
:root{
  --bg:#111317; --bg2:#181b20; --card:#1e2127; --card2:#262a32; --line:#323742;
  --txt:#f3f5f8; --muted:#a4adba; --dim:#717a88;
  --a:#8A8D91; --a2:#C9CDD2; --grad:linear-gradient(135deg,#C9CDD2 0%,#8A8D91 100%);
  --glow:rgba(138,141,145,.26); --on:#15171b; --maxw:1180px;
  --lg:#0084FF; /* Messenger blue */
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.2em;color:var(--a2);font-weight:700;text-transform:uppercase;margin-bottom:14px}
h2.title{font-size:clamp(26px,4.4vw,40px);font-weight:800;line-height:1.25}
.lead{color:var(--muted);font-size:16px;max-width:640px;margin-top:14px}
.pad{padding:96px 0}.center{text-align:center}.center .lead{margin:14px auto 0}
.hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;background:rgba(17,19,23,0);border-bottom:1px solid transparent}
header.scrolled{background:rgba(17,19,23,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:.03em}
.brand .mk{width:38px;height:38px;border-radius:10px;background:var(--grad);display:grid;place-items:center;font-size:15px;font-weight:900;color:var(--on);box-shadow:0 4px 16px var(--glow)}
.brand small{display:block;font-size:9.5px;letter-spacing:.24em;color:var(--dim);font-weight:600;margin-top:2px}
.navlinks{display:flex;align-items:center;gap:26px}
.navlinks a{font-size:14.5px;color:var(--muted);font-weight:500;transition:.2s}
.navlinks a:hover,.navlinks a.active{color:#fff}
.navlinks a.active{position:relative}
.navlinks a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);border-radius:2px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;padding:11px 20px;border-radius:999px;transition:.25s;cursor:pointer;border:0;white-space:nowrap}
.btn-a{background:var(--grad);color:var(--on);box-shadow:0 6px 20px var(--glow)}
.btn-a:hover{transform:translateY(-2px);box-shadow:0 10px 28px var(--glow)}
.btn-line{background:var(--lg);color:#fff;box-shadow:0 6px 20px rgba(0,132,255,.32)}
.btn-line:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,132,255,.42)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px}

/* home hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,19,23,.72) 0%,rgba(17,19,23,.5) 38%,rgba(17,19,23,.86) 78%,#111317 100%)}
.hero-bg::before{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(120% 80% at 82% 5%,var(--glow),transparent 55%)}
.hero-inner{position:relative;z-index:3;width:100%;padding-top:92px}
.hero h1{font-size:clamp(34px,6vw,64px);font-weight:900;line-height:1.1}
.hero p.sub{margin-top:22px;font-size:clamp(16px,2vw,19px);color:#dde1e8;max-width:600px}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}.hero-cta .btn{padding:15px 28px;font-size:15.5px}
.trustrow{display:flex;gap:10px 22px;flex-wrap:wrap;align-items:center;margin-top:44px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.trustrow b{font-weight:800;font-size:14.5px;color:#e9ecf0}.trustrow .dot{color:var(--a)}

/* subpage hero */
.phero{position:relative;padding:150px 0 60px;overflow:hidden;border-bottom:1px solid var(--line)}
.phero::before{content:"";position:absolute;inset:0;background:radial-gradient(90% 120% at 80% -10%,var(--glow),transparent 55%),linear-gradient(180deg,#15181d,#111317)}
.phero .wrap{position:relative}
.phero h1{font-size:clamp(30px,5.2vw,50px);font-weight:900;line-height:1.12;margin-top:6px}
.phero p{color:var(--muted);font-size:16px;max-width:620px;margin-top:14px}
.crumb{font-size:12.5px;letter-spacing:.14em;color:var(--dim);text-transform:uppercase;font-weight:700}
.crumb a:hover{color:var(--a2)}

/* stats */
.stats{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 18px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border-right:0}
.stat .n{font-size:22px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:13px;color:var(--muted);margin-top:5px}

/* service cards */
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:50px}
.scard{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.scard:hover{transform:translateY(-5px);border-color:#454c58;background:var(--card2)}
.scard .ic{height:190px;overflow:hidden;position:relative}
.scard .ic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(17,19,23,.6))}
.scard .ic img{width:100%;height:100%;object-fit:cover;transition:.5s}.scard:hover .ic img{transform:scale(1.06)}
.scard .body{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column}
.scard h3{font-size:20px;font-weight:800}
.scard .en{font-size:11.5px;letter-spacing:.16em;color:var(--a2);font-weight:600;text-transform:uppercase;margin:6px 0 12px}
.scard p{color:var(--muted);font-size:14.5px}
.scard ul{list-style:none;margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.scard ul li{font-size:12.5px;color:#dde2ea;background:rgba(255,255,255,.05);border:1px solid var(--line);padding:5px 12px;border-radius:999px}

/* feature split */
.feat{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.feat .grid{display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center}
.feat .ph{border-radius:18px;overflow:hidden;border:1px solid var(--line);position:relative}.feat .ph img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feat .tag{position:absolute;left:16px;top:16px;background:var(--grad);color:var(--on);font-size:12.5px;font-weight:700;padding:7px 14px;border-radius:999px}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.chips span{font-size:13px;color:#dde2ea;background:var(--card);border:1px solid var(--line);padding:7px 14px;border-radius:8px}

/* packages */
.pkgs{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:50px}
.pkg{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px 30px;position:relative;display:flex;flex-direction:column;transition:.3s}
.pkg:hover{border-color:#4a515e;transform:translateY(-4px)}
.pkg.feat-pkg{border-color:var(--a);box-shadow:0 20px 50px -26px var(--glow),0 0 0 1px rgba(201,205,210,.15)}
.pkg .badge{position:absolute;top:-13px;right:26px;background:var(--grad);color:var(--on);font-size:12.5px;font-weight:800;padding:6px 15px;border-radius:999px;box-shadow:0 6px 18px var(--glow)}
.pkg .ptier{font-size:14px;color:var(--muted);letter-spacing:.04em}
.pkg h3{font-size:22px;font-weight:800;margin:4px 0 14px}
.pkg .price{font-size:34px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.pkg .price small{font-size:15px;color:var(--dim);font-weight:600;-webkit-text-fill-color:var(--dim);margin-right:4px}
.pkg .finance{font-size:13px;color:var(--a2);margin-top:8px}
.incl{list-style:none;margin:20px 0 24px;display:grid;gap:10px}
.incl li{position:relative;padding-left:26px;font-size:14.5px;color:#dde2ea}
.incl li::before{content:"✓";position:absolute;left:0;top:0;color:var(--a2);font-weight:900}
.swatches{display:flex;gap:14px;flex-wrap:wrap;margin:0 0 22px}
.swatches i{display:flex;flex-direction:column;align-items:center;gap:5px;font-size:11.5px;color:var(--muted);font-style:normal}
.swatches i b{width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:block;font-size:0}
.pkg .btn{margin-top:auto}

/* offers (single) */
.ogrid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.offer{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px 26px;display:flex;flex-direction:column}
.offer h3{font-size:18px;font-weight:800}
.offer .price-sm{font-size:24px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:8px 0}
.offer .price-sm s{color:var(--dim);-webkit-text-fill-color:var(--dim);font-size:15px;font-weight:600;margin-right:8px}
.offer p{color:var(--muted);font-size:14px;margin:2px 0 16px}
.offer .linelink{color:var(--lg);font-weight:700;font-size:14px;margin-top:auto}
.addbar{margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}
.addbar .k{font-size:12px;letter-spacing:.16em;color:var(--dim);font-weight:800;text-transform:uppercase}
.addbar span.p{font-size:14px;color:#dde2ea}.addbar span.p b{color:var(--a2)}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:50px}
.wcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:30px 24px;text-align:center}
.wcard .no{font-size:13px;font-weight:800;color:var(--a2);letter-spacing:.16em}
.wcard h4{font-size:18px;font-weight:800;margin:12px 0 8px}.wcard p{font-size:13.5px;color:var(--muted)}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:50px}
.gal figure{position:relative;border-radius:14px;overflow:hidden;cursor:pointer;border:1px solid var(--line);background:#000;margin:0}
.gal img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;transition:.5s}.gal figure:hover img{transform:scale(1.07)}
.gal figcaption{position:absolute;left:12px;bottom:10px;z-index:2;font-size:13px;font-weight:600;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.7)}
.gal figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(8,9,11,.6))}
.gal .big{grid-column:span 2;grid-row:span 2}.gal .big img{aspect-ratio:auto;height:100%}

/* warranty band */
.warr{background:linear-gradient(135deg,#181b20,#22262d);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.warr .grid{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.warr .mock{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#0d0f12;box-shadow:0 24px 60px -30px #000}
.warr .mock iframe{width:100%;height:420px;border:0;display:block}

/* contact */
.cgrid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:50px;align-items:stretch}
.info{display:grid;gap:16px;align-content:start}
.irow{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.irow .ico{flex:0 0 44px;height:44px;border-radius:11px;background:var(--glow);border:1px solid var(--line);display:grid;place-items:center;font-size:20px}
.irow .k{font-size:12px;letter-spacing:.14em;color:var(--dim);font-weight:700;text-transform:uppercase}
.irow .v{font-size:16px;font-weight:600;margin-top:3px;word-break:break-all}.irow .v a{color:#fff}
.irow .v small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:2px}
.cmap{border-radius:16px;overflow:hidden;border:1px solid var(--line);min-height:360px}
.cmap iframe{width:100%;height:100%;min-height:360px;border:0;filter:grayscale(.35) brightness(.85)}
.cbtns{display:flex;gap:12px;flex-wrap:wrap}.cbtns .btn{flex:1;justify-content:center;padding:15px}
.storecards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}
.stc{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.stc .m{height:180px;border-bottom:1px solid var(--line)}.stc .m iframe{width:100%;height:100%;border:0;filter:grayscale(.35) brightness(.85)}
.stc .b{padding:18px 20px}.stc h4{font-size:17px;font-weight:800}.stc p{font-size:13.5px;color:var(--muted);margin:4px 0 12px}

/* footer + floating + lightbox + reveal */
footer{background:#0b0d10;border-top:1px solid var(--line);padding:54px 0 30px}
.fgrid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.fbrand{font-size:20px;font-weight:800;max-width:420px}.fbrand small{display:block;color:var(--dim);font-size:13px;font-weight:400;margin-top:10px;line-height:1.9}
.fnav{display:flex;flex-direction:column;gap:9px}.fnav a{color:var(--muted);font-size:14px}.fnav a:hover{color:#fff}
.fnav .h{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);font-weight:800;margin-bottom:5px}
.fsoc{display:flex;gap:12px;margin-top:6px}
.fsoc a{width:42px;height:42px;border-radius:11px;background:var(--card);border:1px solid var(--line);display:grid;place-items:center;font-size:13px;font-weight:700;transition:.25s}
.fsoc a:hover{background:var(--grad);color:var(--on);transform:translateY(-3px)}
.fbot{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--dim)}
.fline{position:fixed;right:20px;bottom:22px;z-index:45;background:var(--lg);color:#fff;font-weight:800;padding:14px 22px;border-radius:999px;box-shadow:0 8px 26px rgba(0,132,255,.4);display:flex;gap:9px;align-items:center;font-size:15px;transition:.25s}
.fline:hover{transform:translateY(-3px) scale(1.03)}
.lb{position:fixed;inset:0;background:rgba(8,9,11,.94);z-index:100;display:none;align-items:center;justify-content:center;padding:30px}
.lb.on{display:flex}.lb img{max-width:92vw;max-height:88vh;border-radius:10px}
.lb .x{position:absolute;top:22px;right:28px;font-size:36px;color:#fff;cursor:pointer;font-weight:300}
.rv{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}

/* responsive */
@media(max-width:900px){
  .sgrid{grid-template-columns:repeat(2,1fr)}.why{grid-template-columns:repeat(2,1fr)}
  .storecards{grid-template-columns:1fr}
}
@media(max-width:820px){
  .navlinks{position:fixed;inset:70px 0 auto 0;background:rgba(17,19,23,.98);backdrop-filter:blur(12px);flex-direction:column;gap:0;padding:10px 0 20px;border-bottom:1px solid var(--line);transform:translateY(-135%);transition:.35s}
  .navlinks.open{transform:none}.navlinks a{width:100%;padding:14px 24px;font-size:16px}
  .navlinks a.active::after{display:none}.navlinks .btn{margin:12px 24px 0;width:calc(100% - 48px);justify-content:center}
  .burger{display:flex}
  .feat .grid,.pkgs,.ogrid,.cgrid,.warr .grid{grid-template-columns:1fr}
  .feat .grid{display:flex;flex-direction:column;gap:30px}.warr .grid{gap:30px}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}.stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(odd){border-right:0}.stat:nth-last-child(-n+2){border-bottom:0}
  .gal{grid-template-columns:repeat(2,1fr)}.gal .big{grid-column:span 2;grid-row:auto}.gal .big img{aspect-ratio:16/11}
  .pad{padding:70px 0}.phero{padding:120px 0 48px}
}
@media(max-width:480px){
  .sgrid,.why,.gal{grid-template-columns:1fr}.gal .big{grid-column:span 1}
  footer{padding-bottom:84px}.fline{padding:12px 18px;font-size:14px;right:14px;bottom:16px}
}