:root{--ink:#15171d;--ink-2:#2a2e38;--muted:#5d6270;--line:#e6e0d4;--ivory:#faf7f0;--paper:#fff;--brass:#e0a93b;--brass-d:#b98422;--wine:#7d2e3b;--green:#1f6b47;--green-bg:#eaf4ee;--red-bg:#f8ecec}
*{box-sizing:border-box}
body{margin:0;background:var(--ivory);color:var(--ink);font:17px/1.75 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--wine)}
h1,h2,h3{font-family:Fraunces,Georgia,serif;line-height:1.22;letter-spacing:-.01em}
.topbar{background:var(--ink);color:#c9ccd4;font-size:.78rem;text-align:center;padding:8px 16px;line-height:1.4}
.topbar a{color:#e9d3a3}
.nav{background:var(--ink);border-bottom:1px solid #2b2f39}
.nav div{max-width:1040px;margin:0 auto;padding:0 20px;height:58px;display:flex;align-items:center;justify-content:space-between}
.logo{font-family:Fraunces,Georgia,serif;font-weight:700;color:#fff;text-decoration:none;font-size:1.15rem}
.logo span{color:var(--brass)}
.nav nav a{color:#c9ccd4;text-decoration:none;font-size:.86rem;margin-left:18px}
.nav nav a:hover{color:#fff}
.head{background:radial-gradient(1000px 420px at 75% -20%,#2c3140 0%,var(--ink) 62%);color:#fff;padding:46px 0 40px}
.head .in,.article{max-width:740px;margin:0 auto;padding:0 20px}
.crumb{font-size:.8rem;color:#9aa0ad;margin-bottom:14px}
.crumb a{color:#c9ccd4;text-decoration:none}
.head h1{font-size:clamp(1.9rem,1.3rem + 2.4vw,2.8rem);margin:0 0 14px;color:#fff}
.head .dek{color:#cfd2da;font-size:1.1rem;margin:0}
.meta{font-size:.82rem;color:#9aa0ad;margin-top:18px}
.article{padding-top:36px;padding-bottom:56px}
.article h2{font-size:1.6rem;margin:2.1em 0 .5em}
.article h3{font-size:1.18rem;margin:1.6em 0 .4em}
.article p{margin:0 0 1.05em}
.article ul,.article ol{padding-left:1.25em;margin:0 0 1.2em}
.article li{margin:.35em 0}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:0 0 28px}
.toc strong{display:block;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--wine);margin-bottom:6px}
.toc ol{margin:0}
.note{background:var(--paper);border-left:4px solid var(--brass);border-radius:0 12px 12px 0;padding:16px 20px;margin:24px 0}
.note p:last-child{margin:0}
.dark{background:var(--ink);color:#e9e9ec;border-radius:14px;padding:22px 24px;margin:26px 0}
.dark strong{color:var(--brass)}
.dark p:last-child{margin:0}
.cta{background:var(--paper);border:2px solid var(--brass);border-radius:16px;padding:24px;margin:34px 0;box-shadow:0 10px 30px rgba(21,23,29,.07)}
.cta .k{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--wine);margin:0 0 4px}
.cta h3{margin:0 0 .4em;font-size:1.3rem}
.cta p{font-size:.97rem}
.btn{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f0bd52,var(--brass));color:var(--ink);font-weight:700;text-decoration:none;padding:14px 22px;border-radius:12px;border:1px solid var(--brass-d);box-shadow:0 5px 0 var(--brass-d);font-size:1rem;text-align:center;line-height:1.3}
.btn:hover{transform:translateY(2px);box-shadow:0 3px 0 var(--brass-d)}
.small{font-size:.82rem;color:var(--muted)}
.chords{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0 26px}
.chord{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px;text-align:center}
.chord b{display:block;font-family:Fraunces,Georgia,serif;font-size:1.3rem}
.chord small{display:block;color:var(--muted);font-size:.8rem;margin-top:6px}
.kb{display:grid;grid-template-columns:repeat(7,16px);height:52px;width:112px;position:relative;margin:8px auto 0}
.kb i{border:1px solid #2a2e38;border-radius:0 0 3px 3px;background:#fff}
.kb i.on{background:var(--brass)}
.kb::after{content:"";position:absolute;left:0;top:0;width:112px;height:31px;background:linear-gradient(90deg,transparent 11px,#111318 11px 21px,transparent 21px 27px,#111318 27px 37px,transparent 37px 59px,#111318 59px 69px,transparent 69px 75px,#111318 75px 85px,transparent 85px 91px,#111318 91px 101px,transparent 101px)}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin:18px 0 24px}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.93rem}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--ink);color:#fff;font-weight:600;font-size:.85rem}
tbody tr:last-child td{border-bottom:0}
.pc{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 24px}
.pc div{border-radius:12px;padding:16px 18px}
.pc .g{background:var(--green-bg)} .pc .r{background:var(--red-bg)}
.pc h3{margin:0 0 .4em;font-family:Inter,sans-serif;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.pc .g h3{color:var(--green)} .pc .r h3{color:var(--wine)}
.pc ul{margin:0}
details{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin:10px 0;padding:0 18px}
summary{cursor:pointer;font-weight:600;padding:14px 0}
.related{border-top:1px solid var(--line);margin-top:40px;padding-top:24px}
.related h2{font-size:1.25rem;margin-top:0}
.related ul{list-style:none;padding:0}
.related li{margin:.5em 0}
footer{background:#0e1015;color:#8e93a0;font-size:.82rem;padding:32px 0;line-height:1.6}
footer .in{max-width:740px;margin:0 auto;padding:0 20px}
footer a{color:#c9ccd4;margin-right:16px}
@media(max-width:700px){body{font-size:16.5px}.chords{grid-template-columns:1fr 1fr}.pc{grid-template-columns:1fr}.nav nav{display:none}}