:root{--bg:#0b0e14;--fg:#e6e9f0;--dim:#9aa5b8;--line:#1e2533;--acc:#5eead4;--card:#111725}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);
 font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB",sans-serif;
 -webkit-font-smoothing:antialiased}
.top{border-bottom:1px solid var(--line);position:sticky;top:0;
 background:rgba(11,14,20,.94);backdrop-filter:blur(10px);z-index:9}
.top-inner{max-width:916px;margin:0 auto;padding:16px 28px;display:flex;
 align-items:center;gap:24px;flex-wrap:wrap}
.brand{font-weight:700;font-size:19px;color:var(--fg);text-decoration:none;letter-spacing:-.02em}
.brand span{color:var(--acc)}
.top nav{display:flex;gap:20px;flex-wrap:wrap}
.top nav a{color:var(--dim);text-decoration:none;font-size:14px}
.top nav a:hover{color:var(--acc)}
main{max-width:860px;margin:0 auto;padding:56px 28px 80px}
h1{font-size:clamp(28px,4.4vw,44px);line-height:1.18;letter-spacing:-.03em;margin:0 0 20px}
h1 b{color:var(--acc)}
h2{font-size:21px;margin:48px 0 14px;letter-spacing:-.01em}
h3{font-size:17px;margin:0 0 8px}
.kicker{color:var(--acc);font-size:12px;font-weight:700;letter-spacing:.14em;
 text-transform:uppercase;margin:0 0 14px}
.lede{font-size:18px;color:var(--dim);margin:0 0 32px;max-width:64ch}
.hero{padding:24px 0 8px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.btn{display:inline-block;background:var(--acc);color:#04211d;font-weight:700;font-size:15px;
 padding:12px 22px;border-radius:10px;text-decoration:none}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:40px 0}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;
 padding:20px;text-decoration:none;color:var(--fg);transition:border-color .15s}
.card:hover{border-color:var(--acc)}
.card p{color:var(--dim);font-size:14px;margin:0 0 12px}
.go{color:var(--acc);font-size:13px;font-weight:600}
.note{background:var(--card);border-left:3px solid var(--acc);border-radius:0 12px 12px 0;
 padding:20px 22px;margin:36px 0}
.note h2{margin-top:0}
.note code{background:#0b0e14;padding:2px 6px;border-radius:4px;font-size:13px;color:var(--acc)}
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--dim);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
table.facts th{width:34%;color:var(--dim);font-weight:500;text-transform:none;letter-spacing:0}
table.cmp tbody tr:hover{background:var(--card)}
table.wide td{font-size:14px}
.tagx{color:var(--acc);font-size:12.5px}
.tool{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;margin:28px 0}
.qt{font-weight:600;margin:0 0 14px;font-size:16px}
.tool button{background:#0b0e14;color:var(--fg);border:1px solid var(--line);
 border-radius:10px;padding:11px 18px;margin:0 8px 8px 0;font-size:14.5px;cursor:pointer;
 font-family:inherit;transition:.12s}
.tool button:hover{border-color:var(--acc);color:var(--acc)}
.tool button.on{background:var(--acc);color:#04211d;border-color:var(--acc);font-weight:700}
.res{background:#0b0e14;border:1px solid var(--line);border-radius:12px;padding:18px;margin:12px 0}
.res.best{border-color:var(--acc)}
.res h3 a{color:var(--acc);text-decoration:none}
.res h3 small{color:var(--dim);font-weight:400;font-size:13px;margin-left:8px}
.res p{margin:8px 0;font-size:14.5px;color:var(--dim)}
.whytxt{color:var(--acc)!important;font-size:13px!important}
.cave{font-size:13.5px!important}
.note-inline{color:var(--dim);font-size:14px;margin-top:16px}
.steps{color:var(--dim);padding-left:22px}
.steps li{margin:10px 0}
.steps b{color:var(--fg)}
.crumb{color:var(--dim);font-size:13.5px;margin:0 0 14px}
.crumb a{color:var(--dim);text-decoration:none}
.crumb a:hover{color:var(--acc)}
.src{margin-top:64px;padding-top:22px;border-top:1px solid var(--line)}
.src h2{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--dim);margin:0 0 10px}
.src ul{margin:0;padding-left:20px;color:var(--dim);font-size:13.5px}
.checked{color:var(--dim);font-size:12.5px;margin-top:12px}
footer{border-top:1px solid var(--line);padding:28px;color:var(--dim);
 font-size:13px;text-align:center;line-height:1.9}
footer a{color:var(--dim)}
a{color:var(--acc)}
.fig{margin:34px 0;padding:0}
.fig svg{display:block;width:100%;height:auto;background:#0b0e14;border:1px solid var(--line);border-radius:14px;padding:12px}
.fig figcaption{margin-top:11px;color:var(--dim);font-size:13px;line-height:1.68}
.fig figcaption b{color:var(--fg)}
.cn{display:flex;align-items:center;gap:9px}
.cn svg{flex:0 0 auto}
.hglyph{display:inline-flex;vertical-align:middle;margin-right:14px;transform:translateY(-3px)}
table.cmp{table-layout:fixed}
table.cmp th{white-space:nowrap;word-break:keep-all}
table.cmp td:nth-child(n+3){white-space:nowrap;word-break:keep-all}
table.cmp th:nth-child(1),table.cmp td:nth-child(1){width:176px}
table.cmp th:nth-child(3),table.cmp td:nth-child(3),
table.cmp th:nth-child(4),table.cmp td:nth-child(4),
table.cmp th:nth-child(5),table.cmp td:nth-child(5){width:66px;text-align:center}
table.cmp td{font-size:14px;padding:15px 12px;line-height:1.62}
table.cmp td:nth-child(n+3){font-weight:600;color:var(--fg)}
@media(max-width:640px){main{padding:32px 18px 56px}.top-inner{padding:13px 18px;gap:14px}
 .grid.two{grid-template-columns:1fr}table.cmp{table-layout:auto}
 table.cmp th:nth-child(1),table.cmp td:nth-child(1){width:auto}}