*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0b0c0e;--bg2:#121417;--card:#171a1e;--line:#272b31;
  --txt:#f2f4f7;--muted:#a3aab4;--dim:#6f7681;
  --ac:#e11d2a;--ac2:#ff3b47;--grad:linear-gradient(120deg,#ff3b47,#c3121e);--on:#fff;
  --glow:rgba(225,29,42,.28)
}
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:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 22px}
.pad{padding:96px 0}
.feat{background:var(--bg2)}
.center{text-align:center}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(11,12,14,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:900;font-size:19px;letter-spacing:.04em}
.brand .mk{background:var(--grad);color:#fff;font-size:14px;font-weight:900;padding:5px 10px;border-radius:5px;letter-spacing:.08em;box-shadow:0 3px 14px var(--glow)}
.navlinks{margin-left:auto;display:flex;align-items:center;gap:24px}
.navlinks a{font-size:14.5px;color:var(--muted);transition:.2s}
.navlinks a:hover,.navlinks a.active{color:#fff}
.btn{display:inline-block;border-radius:10px;font-weight:800;font-size:14.5px;padding:11px 20px;transition:.25s;border:0;cursor:pointer}
.btn-a{background:var(--grad);color:#fff;box-shadow:0 6px 22px var(--glow)}
.btn-a:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:#fff;border-radius:2px}

/* hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:65% 62%}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(11,12,14,.94) 0%,rgba(11,12,14,.72) 42%,rgba(11,12,14,.18) 100%)}
/* min-width:0 — .wrap is a flex item here; without it the implicit min-width:auto
   stops it shrinking below content width and the text overflows on phones */
.hero > .wrap{min-width:0;width:100%}
.hero-in{position:relative;max-width:720px;padding:80px 0;min-width:0}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.3em;color:var(--ac2);font-weight:800;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-size:clamp(31px,5.4vw,62px);line-height:1.14;font-weight:900;letter-spacing:.01em;
  text-shadow:0 2px 26px rgba(6,7,9,.85)}
.hero h1 .ac{background:linear-gradient(120deg,#ff6d76,#e11d2a);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 10px rgba(6,7,9,.9))}
.hero p{margin-top:22px;font-size:16.5px;color:#c9d0d9;max-width:560px;text-shadow:0 1px 14px rgba(6,7,9,.8)}
.hero-cta{margin-top:34px;display:flex;gap:13px;flex-wrap:wrap}
.badges{margin-top:36px;display:flex;gap:10px;flex-wrap:wrap}
.badges span{font-size:12.5px;color:var(--muted);border:1px solid var(--line);border-radius:99px;padding:6px 14px;background:rgba(255,255,255,.03)}

/* stats */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:34px;padding-bottom:34px}
.stat{text-align:center}
.stat b{display:block;font-size:26px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:12.5px;color:var(--dim);letter-spacing:.05em}

/* titles */
.title{font-size:clamp(26px,3.4vw,38px);font-weight:900;letter-spacing:.01em}
.lead{color:var(--muted);font-size:16px;max-width:660px;margin-top:14px}
.center .lead{margin-left:auto;margin-right:auto}

/* services */
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.scard{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.3s}
.scard:hover{transform:translateY(-5px);border-color:#3a3f47}
.scard .ph{aspect-ratio:16/11;overflow:hidden;background:#0e0f12}
.scard .ph img{width:100%;height:100%;object-fit:cover;transition:.5s}
.scard:hover .ph img{transform:scale(1.06)}
.scard .bd{padding:22px}
.scard h3{font-size:19px;font-weight:900}
.scard .en{font-size:11.5px;color:var(--ac2);letter-spacing:.16em;margin:3px 0 10px;text-transform:uppercase}
.scard p{font-size:14.5px;color:var(--muted)}
.scard ul{list-style:none;margin-top:14px;display:flex;flex-wrap:wrap;gap:7px}
.scard li{font-size:12px;color:var(--dim);border:1px solid var(--line);border-radius:6px;padding:3px 9px}

/* gallery */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.gal figure{position:relative;border-radius:14px;overflow:hidden;background:#0e0f12;cursor:pointer;
  content-visibility:auto;contain-intrinsic-size:280px 210px}
.gal figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.5s}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 16px 13px;font-size:13.5px;font-weight:700;
  background:linear-gradient(transparent,rgba(8,9,11,.92))}
.gal figcaption small{display:block;font-weight:500;color:var(--muted);font-size:11.5px;margin-top:2px}
.gal .big{grid-column:span 2}

/* split feature */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center}
.split .ph{border-radius:18px;overflow:hidden;position:relative}
.split .ph img{width:100%;aspect-ratio:4/3;object-fit:cover}
.tag{position:absolute;top:16px;left:16px;background:var(--grad);color:#fff;font-size:11.5px;font-weight:800;
  padding:6px 13px;border-radius:99px;letter-spacing:.06em}
.chips{margin-top:24px;display:flex;flex-wrap:wrap;gap:9px}
.chips span{font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:8px;padding:7px 13px}

/* warranty mock */
.wbox{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px}
.wrow{display:flex;gap:10px}
.wrow input{flex:1;background:#0b0c0e;border:1px solid var(--line);border-radius:11px;padding:13px 15px;
  color:#fff;font-size:15px;outline:none;letter-spacing:.06em;font-family:inherit}
.wrow input:focus{border-color:var(--ac)}
.wcard{margin-top:20px;background:#0e0f12;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.wcard .hd{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;
  background:linear-gradient(135deg,#1b1e23,#14161a)}
.wcard .hd b{font-size:17px}
.wcard .hd .plate{font-size:12.5px;color:var(--muted);letter-spacing:.12em}
.pill{font-size:12px;font-weight:800;padding:5px 12px;border-radius:99px;background:rgba(61,220,132,.12);color:#3ddc84;border:1px solid rgba(61,220,132,.35)}
.wgrid{padding:18px 20px;display:grid;grid-template-columns:1fr 1fr;gap:12px 18px}
.wf .k{font-size:11px;color:var(--dim);letter-spacing:.1em}
.wf .v{font-size:14.5px;font-weight:600;margin-top:1px}
.track{margin:4px 20px 18px;height:7px;background:#0b0c0e;border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.fill{height:100%;width:82%;background:var(--grad);border-radius:99px}

/* stores */
.stores{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:48px}
.store{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px}
.store .bdg{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.14em;color:var(--ac2);
  border:1px solid rgba(225,29,42,.4);border-radius:6px;padding:3px 10px;margin-bottom:12px}
.store h3{font-size:21px;font-weight:900;margin-bottom:12px}
.store p{font-size:14.5px;color:var(--muted);line-height:2}
.store b{color:#fff}
.store iframe{width:100%;height:190px;border:0;border-radius:11px;margin-top:16px;filter:grayscale(.35) invert(.9) hue-rotate(180deg)}

/* footer */
footer{background:#08090b;border-top:1px solid var(--line);padding:52px 0 34px;text-align:center}
footer .fb{display:flex;align-items:center;justify-content:center;gap:10px;font-weight:900;font-size:18px;margin-bottom:14px}
footer small{color:var(--dim);font-size:13px;line-height:2}
.fbot{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);color:#4d545d;font-size:11.5px}

/* page hero */
.phero{padding:66px 0 44px;background:var(--bg2);border-bottom:1px solid var(--line)}
.crumb{font-size:12.5px;color:var(--dim);margin-bottom:12px}
.crumb a{color:var(--ac2)}
.phero h1{font-size:clamp(28px,4vw,44px);font-weight:900}
.phero p{color:var(--muted);margin-top:14px;max-width:720px;font-size:15.5px}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(6,7,9,.95);display:none;align-items:center;justify-content:center;z-index:100;padding:32px}
.lb.on{display:flex}
.lb img{max-width:94%;max-height:92%;border-radius:10px}
.lb .x{position:absolute;top:22px;right:30px;font-size:34px;color:#fff;cursor:pointer;line-height:1}

/* float */
.fcta{position:fixed;right:20px;bottom:20px;z-index:60;background:var(--grad);color:#fff;font-weight:800;
  font-size:14.5px;padding:13px 22px;border-radius:99px;box-shadow:0 8px 28px var(--glow)}

/* reveal-on-scroll — only hides content when JS is confirmed running,
   otherwise the whole page would be invisible if the script fails to load */
.js .rv{opacity:0;transform:translateY(22px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.js .rv.in{opacity:1;transform:none}

@media(max-width:900px){
  .navlinks{position:fixed;inset:70px 0 auto 0;background:rgba(11,12,14,.98);flex-direction:column;
    padding:22px;gap:16px;border-bottom:1px solid var(--line);display:none}
  .navlinks.open{display:flex}
  .burger{display:flex;margin-left:auto}
  .sgrid,.gal,.stores,.split{grid-template-columns:1fr}
  .gal .big{grid-column:span 1}
  .stats .wrap{grid-template-columns:1fr 1fr;gap:26px}
  .pad{padding:64px 0}
  .split{gap:30px}
  .wgrid{grid-template-columns:1fr}
}