/* Ryo — shared tokens & utilities (both variants) */
:root{
  --red:#D6202A; --red-deep:#A3141C; --red-dark:#7A0F15;
  --ink:#0E0E10; --graphite:#1C1C20; --asphalt:#2A2A30;
  --steel:#6B6B73; --smoke:#A8A8AE;
  --paper:#F5F3EE; --bone:#EDEAE2; --white:#fff;
  --signal:#F2C200;
  --success:#2FA866;
  --f-tc:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --f-disp:"Barlow Condensed","Oswald",sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--f-tc);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
.container{max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
.mono{font-family:var(--f-mono)}
.disp{font-family:var(--f-disp);font-weight:900;letter-spacing:-.02em}
.tag{display:inline-block;font-family:var(--f-mono);font-size:10px;font-weight:700;letter-spacing:.12em;padding:3px 7px;background:var(--ink);color:#fff;text-transform:uppercase}
.tag.dark{background:rgba(255,255,255,.12)}
.tag.accent{background:var(--signal);color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:10px;border:none;font-family:var(--f-tc);font-weight:800;letter-spacing:.04em;padding:13px 22px;font-size:14px;border-radius:2px;text-decoration:none;transition:transform .15s, background .15s}
.btn:hover{transform:translateY(-1px)}
.btn.lg{padding:18px 32px;font-size:16px}
.btn.sm{padding:8px 14px;font-size:13px}
.btn.primary{background:var(--red);color:#fff}
.btn.primary:hover{background:var(--red-deep)}
.btn.dark{background:var(--ink);color:#fff}
.btn.outline{background:transparent;box-shadow:inset 0 0 0 2px currentColor}
.btn.signal{background:var(--signal);color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.arrow::after{content:"→";margin-left:6px}

/* Track placeholder */
.track-ph{position:relative;overflow:hidden;background:var(--graphite);background-image:repeating-linear-gradient(-35deg,rgba(255,255,255,.06) 0 14px,transparent 14px 32px)}
.track-ph.light{background:var(--bone);background-image:repeating-linear-gradient(-35deg,rgba(14,14,16,.06) 0 14px,transparent 14px 32px)}
.track-ph .label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;color:rgba(255,255,255,.55);font-weight:600}
.track-ph.light .label{color:rgba(14,14,16,.55)}

/* Footer */
.site-foot{background:var(--ink);color:#fff;padding:48px 0 24px;margin-top:64px;font-family:var(--f-tc)}
.cta-band+.site-foot{margin-top:0}
.site-foot .inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.site-foot h4{font-family:var(--f-tc);font-size:13px;letter-spacing:.1em;color:var(--red);margin:0 0 14px;font-weight:700}
.site-foot ul{list-style:none;margin:0;padding:0;line-height:2}
.site-foot a{color:rgba(255,255,255,.75);font-size:13px}
.site-foot a:hover{color:#fff}
.site-foot .brand{font-family:var(--f-disp);font-style:italic;font-size:36px;font-weight:900;line-height:.95;text-transform:uppercase}
.site-foot .brand em{color:var(--red);font-style:inherit}
.site-foot .legal{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:11px;color:var(--smoke);letter-spacing:.08em}

h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
h1{font-size:44px;font-weight:900;line-height:1.1}
h2{font-size:32px;font-weight:900;line-height:1.15}
h3{font-size:22px;font-weight:800;line-height:1.25}
p{margin:0 0 1em}

.page-head{background:var(--ink);color:#fff;padding:44px 0 36px;border-bottom:4px solid var(--red);position:relative;overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:32px 32px}
.page-head .inner{position:relative}
.page-head .kicker{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--red);font-weight:700}
.page-head h1{font-size:48px;margin-top:6px}
.page-head .en{font-family:var(--f-disp);font-size:18px;font-weight:700;letter-spacing:.1em;opacity:.5;margin-top:4px;text-transform:uppercase}
.page-head .crumb{font-size:12px;color:var(--smoke);margin-top:14px;letter-spacing:.05em}

section{padding:56px 0}
section.tight{padding:32px 0}
.section-title{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:24px}
.section-title .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:var(--red);font-weight:700}
.section-title h2{margin-top:6px}

.card{background:#fff;box-shadow:0 1px 3px rgba(14,14,16,.08),0 4px 16px rgba(14,14,16,.06)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--ink);padding:2px}

@media (max-width:900px){
  h1{font-size:34px} .page-head h1{font-size:36px}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .site-foot .inner{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .site-foot .inner{grid-template-columns:1fr}
  .container{padding-left:20px;padding-right:20px}
}