:root{--ink:#262626;--ink-2:#494949;--muted:#696969;--bg:#F7F5F1;--card:#fff;--line:#E4E0D8;--accent:#B23A48;--accent-2:#8E2B38;--radius:16px;--max:1080px;
--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.6 var(--font);color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}a:hover{color:var(--accent-2)}
a:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);font-weight:750;font-size:1.25rem;letter-spacing:.02em}
.brand img{width:40px;height:40px;flex:none}
.brand .comma{color:#7F1FF7}
.nav{display:flex;gap:.25rem;flex-wrap:wrap}
.nav a{color:var(--ink-2);text-decoration:none;padding:.45rem .8rem;border-radius:999px;font-size:.95rem;font-weight:550}
.nav a:hover{background:var(--bg);color:var(--ink)}
.nav a[aria-current="page"]{background:var(--ink);color:#fff}
/* hero */
.hero{background:var(--ink);color:#fff;padding:4.5rem 0 4rem}
.hero h1{font-size:clamp(2rem,4.5vw,3.2rem);line-height:1.15;margin:0 0 1rem;letter-spacing:-.01em;max-width:18ch}
.hero p{font-size:1.15rem;color:#D2D2D2;max-width:58ch;margin:0}
.hero .eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;color:#ff680e;font-weight:700;margin-bottom:.75rem}
.page-hero{padding:3rem 0 2.5rem}
.page-hero h1{margin-bottom:.5rem}
/* sections */
main section{padding:3.5rem 0}
h2{font-size:clamp(1.5rem,3vw,2rem);line-height:1.2;margin:0 0 .75rem}
h3{font-size:1.15rem;margin:0 0 .35rem}
.lede{font-size:1.1rem;color:var(--ink-2);max-width:62ch}
.prose{max-width:70ch}
.prose h2{margin-top:2.25rem;font-size:1.4rem}
.muted{color:var(--muted)}
/* featured cards */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-top:-2.5rem}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 10px 30px rgba(38,38,38,.08)}
.feature .media{aspect-ratio:16/9;position:relative;overflow:hidden;background:#EDE9E2}
.feature .media img{width:100%;height:100%;object-fit:cover}
.feature .media.dh{background:linear-gradient(135deg,#F6E7E5,#EFD6D3);display:flex;align-items:center;justify-content:center;gap:1.25rem}
.feature .media.dh img.icon{width:112px;height:112px;border-radius:27px;box-shadow:0 10px 28px rgba(180,35,44,.28)}
.feature .media.sts .wm{position:absolute;left:50%;bottom:12%;transform:translateX(-50%);width:72%;height:auto;object-fit:contain;filter:drop-shadow(0 2px 8px rgba(0,0,0,.45))}
.feature .body{padding:1.5rem 1.5rem 1.75rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.feature .body p{margin:0;color:var(--ink-2)}
.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:auto;padding-top:.75rem}
.btn{display:inline-block;padding:.6rem 1.1rem;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-weight:650;font-size:.95rem}
.btn:hover{background:var(--accent-2);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink);color:var(--ink)}
/* about strip */
.strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
/* dianhua page */
.dh-head{display:flex;gap:1.25rem;align-items:center}
.dh-head img{width:88px;height:88px;border-radius:21px;box-shadow:0 6px 18px rgba(180,35,44,.25)}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-top:2rem}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem}
.tile p{margin:0;color:var(--ink-2);font-size:.97rem}
.shot-ipad{margin:2.5rem auto 0;max-width:900px}
.rows{display:grid;gap:3rem}
.row{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:2.5rem;align-items:center}
.row.flip{grid-template-columns:260px minmax(0,1fr)}
.row.flip .shot{order:-1}
.row .shot img{width:100%;max-width:260px;margin:0 auto}
.row h2{font-size:1.35rem;margin-top:1.5rem}
.row h2:first-child{margin-top:0}
.row p{color:var(--ink-2);margin:.25rem 0 0}
.note{font-size:.92rem;color:var(--muted);border-left:3px solid var(--line);padding-left:.9rem}
.cta{background:var(--ink);color:#fff;border-radius:var(--radius);padding:2rem;display:flex;justify-content:space-between;align-items:center;gap:1.5rem;flex-wrap:wrap}
.cta h2{margin:0 0 .3rem}.cta p{margin:0;color:#D2D2D2}
.cta .btn.ghost{color:#fff;border-color:rgba(255,255,255,.35)}.cta .btn.ghost:hover{border-color:#fff}
.banner{border-radius:var(--radius);overflow:hidden;margin-bottom:2rem}
.banner img{width:100%;aspect-ratio:1200/249;object-fit:cover}
/* footer */
.site-footer{border-top:1px solid var(--line);background:#fff;padding:2rem 0;font-size:.93rem;color:var(--muted)}
.site-footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}
.site-footer nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.site-footer a{color:var(--ink-2);text-decoration:none}.site-footer a:hover{color:var(--accent)}
.site-footer p{margin:0}
@media (max-width:760px){
  body{font-size:16px}
  .hero{padding:3rem 0 3.5rem}
  .split,.row,.row.flip{grid-template-columns:1fr;gap:1.25rem}
  .row.flip .shot{order:0}
  .row .shot img{max-width:220px}
  main section{padding:2.5rem 0}
  .site-header .wrap{padding-top:.6rem;padding-bottom:.6rem}
}
@media (prefers-reduced-motion:no-preference){.btn,.nav a{transition:background .15s,color .15s,border-color .15s}}
.hero-grid{display:grid;grid-template-columns:1fr auto;gap:2rem;align-items:center}
.hero-mark img{width:170px;height:170px;display:block;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}
@media (max-width:760px){.hero-grid{grid-template-columns:1fr}.hero-mark{display:none}}