:root{--bg:#0c0d10;--bg2:#141519;--card:#1b1d22;--line:#2a2d34;--txt:#f5f6f8;--muted:#a7adb8;--dim:#6c727d;
  --ac:#f7b500;--ac2:#ffcf3f;--grad:linear-gradient(120deg,#ffcf3f,#f7a800);--on:#181203;--lg:#06c755}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}html,body{background:var(--bg)}
body{font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;color:var(--txt);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.rv{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}
.ac{color:var(--ac)}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(12,13,16,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:18px}
.brand img{height:34px;filter:invert(1)}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a{font-size:15px;color:var(--muted);font-weight:600;transition:.2s}.navlinks a:hover,.navlinks a.active{color:#fff}
.navlinks a.active{border-bottom:2px solid var(--ac);padding-bottom:2px}
.btn{display:inline-flex;align-items:center;gap:7px;border-radius:11px;font-weight:800;font-size:14.5px;padding:11px 20px;transition:.2s;cursor:pointer;white-space:nowrap}
.btn-line{background:var(--lg);color:#fff}.btn-line:hover{transform:translateY(-2px)}
.btn-ac{background:var(--grad);color:var(--on)}.btn-ac:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:#fff}.btn-ghost:hover{border-color:var(--ac)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.burger span{width:24px;height:2px;background:#fff;display:block}
/* hero */
.hero{position:relative;min-height:78vh;display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,13,16,.35) 0%,rgba(12,13,16,.2) 45%,rgba(12,13,16,.96) 100%)}
.hero-in{position:relative;z-index:2;padding:60px 0 54px;max-width:720px}
.eyebrow{font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--ac);font-weight:800}
.hero h1{font-size:clamp(30px,5.4vw,54px);font-weight:900;line-height:1.12;margin-top:14px;letter-spacing:.01em}
.hero p{color:#d7dbe2;font-size:16.5px;margin-top:16px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
/* page hero (sub-pages) */
.phero{padding:64px 0 40px;border-bottom:1px solid var(--line);background:var(--bg2)}
.crumb{font-size:13px;color:var(--dim)}.crumb a:hover{color:var(--ac)}
.phero h1{font-size:clamp(26px,4vw,40px);font-weight:900;margin-top:10px}
.phero p{color:var(--muted);font-size:15.5px;margin-top:12px;max-width:640px}
/* stats */
.stats{background:var(--bg2);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 16px;text-align:center;border-right:1px solid var(--line)}.stat:last-child{border-right:0}
.stat b{display:block;font-size:19px;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13px;color:var(--muted);margin-top:5px;display:block}
/* sections */
section.pad{padding:88px 0}
.center{text-align:center;max-width:640px;margin:0 auto}
h2.title{font-size:clamp(24px,3.4vw,34px);font-weight:900;margin-top:8px}
.lead{color:var(--muted);font-size:15.5px;margin-top:12px}
.feat{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
/* services */
.sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.scard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:.25s}
.scard:hover{border-color:var(--ac);transform:translateY(-3px)}
.scard .ic{font-size:22px}
.scard h3{font-size:18px;font-weight:800;margin-top:12px}
.scard .en{font-size:12px;color:var(--dim);letter-spacing:.08em;margin-top:2px}
.scard p{color:var(--muted);font-size:14px;margin-top:10px}
.scard ul{list-style:none;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:7px}
.scard ul li{font-size:12px;color:#e7e9ed;background:var(--bg2);border:1px solid var(--line);border-radius:7px;padding:4px 10px}
/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.wcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 22px}
.wcard .no{font-size:13px;font-weight:900;color:var(--ac);letter-spacing:.1em}
.wcard h4{font-size:17px;font-weight:800;margin-top:10px}
.wcard p{color:var(--muted);font-size:13.5px;margin-top:9px}
/* warranty */
.warr .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.warr .chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.warr .chips span{font-size:13px;color:#e7e9ed;background:var(--card);border:1px solid var(--line);padding:7px 14px;border-radius:8px}
.mock{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#000;aspect-ratio:9/13;max-height:520px}
.mock iframe{width:100%;height:100%;border:0}
.why3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
/* works */
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.gal.two{grid-template-columns:1fr 1fr}
.gal figure{border-radius:14px;border:1px solid var(--line);overflow:hidden;background:var(--card)}
.gal img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover}
.gal figcaption{font-size:13px;color:var(--muted);padding:12px 14px}
.soon{border:1px dashed var(--line);border-radius:14px;padding:34px 20px;text-align:center;color:var(--dim);font-size:14px;background:var(--bg2)}
/* contact / stores */
.storecards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:44px}
.store{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 26px}
.store h3{font-size:19px;font-weight:900}.store .badge{font-size:12px;color:var(--ac);font-weight:800;letter-spacing:.1em}
.store p{color:var(--muted);font-size:14.5px;margin-top:10px;line-height:1.9}
.store a.map{color:var(--ac);font-weight:700;font-size:14px}
.store iframe{width:100%;height:200px;border:0;border-radius:12px;margin-top:16px;filter:grayscale(.3) invert(.92) hue-rotate(180deg)}
/* footer */
footer{background:var(--bg2);border-top:1px solid var(--line);padding:44px 0 30px;text-align:center}
footer .fb{display:flex;align-items:center;justify-content:center;gap:10px;font-weight:900;font-size:17px}
footer .fb img{height:30px;filter:invert(1)}
footer small{color:var(--dim);font-size:13px;display:block;margin-top:14px;line-height:1.9}
.fbot{color:var(--dim);font-size:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.fline{position:fixed;right:20px;bottom:22px;z-index:60;background:var(--lg);color:#fff;font-weight:800;padding:14px 22px;border-radius:999px;box-shadow:0 8px 26px rgba(6,199,85,.4);display:flex;gap:9px;font-size:15px;transition:.25s}
.fline:hover{transform:translateY(-3px)}
@media(max-width:900px){.sgrid{grid-template-columns:1fr 1fr}.why{grid-template-columns:1fr 1fr}.why3{grid-template-columns:1fr}.warr .grid{grid-template-columns:1fr}.gal{grid-template-columns:1fr 1fr}.storecards{grid-template-columns:1fr}}
@media(max-width:680px){
  .navlinks{position:fixed;inset:66px 0 auto 0;flex-direction:column;background:rgba(12,13,16,.98);padding:14px 0 22px;gap:2px;border-bottom:1px solid var(--line);transform:translateY(-140%);transition:.35s}
  .navlinks.open{transform:none}.navlinks a{width:100%;padding:13px 24px}.navlinks a.active{border:0}.navlinks .btn{margin:10px 24px 0;justify-content:center}
  .burger{display:flex}.sgrid{grid-template-columns:1fr}.why{grid-template-columns:1fr}.gal{grid-template-columns:1fr}.stats .wrap{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  section.pad{padding:64px 0}
}