:root {
  --bg: #0f0e13; --bg-2: #16141c; --panel: #1c1a23; --line: #2d2a36; --text: #f3ede2; --muted: #a8a2b3;
  --brass: #e8b45f; --ok: #5ef0b0; --low: #7fa8ff; --high: #ff8a5c;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Noto Serif", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: radial-gradient(120% 50% at 50% 0%, #211d29 0%, var(--bg) 60%) no-repeat, var(--bg); color: var(--text); font-family: var(--sans); line-height: 1.6; font-size: 1.02rem; }
a { color: var(--brass); text-underline-offset: 2px; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }
.site-head { max-width: 860px; margin: 0 auto; padding: calc(env(safe-area-inset-top) + 12px) 18px 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--serif); font-size: 1.35rem; font-weight: 600; color: var(--text); text-decoration: none; }
.brand b { color: var(--brass); font-family: var(--sans); font-weight: 800; letter-spacing: -1px; }
.crumbs { font-size: .82rem; color: var(--muted); }
.crumbs a { color: var(--muted); }
.content { max-width: 860px; margin: 0 auto; padding: 8px 18px 40px; }
h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(2rem, 7vw, 3rem); line-height: 1.1; margin: 18px 0 8px; letter-spacing: -.5px; }
h2 { font-family: var(--serif); font-weight: 600; font-size: 1.5rem; margin: 34px 0 10px; line-height: 1.2; }
.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 16px; }
p, li { color: #e6e0d6; }
ol, ul { padding-left: 1.3em; }
li { margin: 6px 0; }
.tuner-card { margin: 18px 0 8px; border: 1px solid #5a4424; border-radius: 22px; overflow: hidden; background: var(--bg); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.tuner-card iframe { display: block; width: 100%; height: 340px; border: 0; transition: height .25s; background: var(--bg); }
.tuner-foot { margin: 0; padding: 8px 14px 10px; font-size: .8rem; color: var(--muted); border-top: 1px solid var(--line); background: var(--bg-2); }
.table-wrap { overflow-x: auto; margin: 12px 0 20px; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; font-size: .95rem; }
caption { text-align: left; font-weight: 700; padding: 0 0 8px; color: var(--text); }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
thead th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
td b { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; }
table.dense th, table.dense td { padding: 6px 7px; font-size: .82rem; }
tbody tr:nth-child(odd) { background: rgba(255,255,255,.02); }
.tbl-note { font-size: .82rem; color: var(--muted); margin: 6px 0 0; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 14px 4px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; min-height: 48px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--brass); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 4px 14px; color: var(--muted); }
.related ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.related li { margin: 0; }
.related a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 22px; border: 1px solid var(--line); background: var(--panel); text-decoration: none; font-weight: 700; font-size: .92rem; }
.site-foot { max-width: 860px; margin: 0 auto; padding: 18px 18px calc(env(safe-area-inset-bottom) + 30px); border-top: 1px solid var(--line); font-size: .88rem; color: var(--muted); }
.site-foot p { color: var(--muted); }
.all-links { display: flex; flex-wrap: wrap; gap: 2px 14px; }
.all-links a { color: var(--muted); padding: 6px 0; }
@media (prefers-reduced-motion: reduce) { .tuner-card iframe { transition: none; } }
.lang-link { margin-left: auto; font-size: .85rem; color: var(--brass, #e8b45f); }