:root{--bg:#fbfaf7;--paper:#fff;--ink:#1f2328;--muted:#5b616b;--line:#e6e2d8;--accent:#f5b700;--accent-soft:#fff4cc;--link:#0b5cad;--tip:#e8f5ee;--tip-b:#2f8f5b;--warn:#fdecea;--warn-b:#c0392b;--r:10px;--w:1120px;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#15171a;--paper:#1d2024;--ink:#e9e7e2;--muted:#a3a8b0;--line:#30343a;--accent-soft:#3a3218;--link:#7cb7ff;--tip:#17301f;--warn:#3a1d1a;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#15171a;--paper:#1d2024;--ink:#e9e7e2;--muted:#a3a8b0;--line:#30343a;--accent-soft:#3a3218;--link:#7cb7ff;--tip:#17301f;--warn:#3a1d1a;color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;text-rendering:optimizeLegibility}
a{color:var(--link);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(1.75rem,4.5vw,2.6rem);margin:.4rem 0 .5rem}
h2{font-size:clamp(1.3rem,3vw,1.65rem);margin:2.4rem 0 .8rem}
h3{font-size:1.15rem;margin:1.6rem 0 .5rem}
p,ul,ol{margin:0 0 1rem}
li{margin:.25rem 0}
.wrap{max-width:var(--w);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;background:var(--paper);padding:.5rem 1rem;z-index:9}
/* header */
.site-header{background:var(--paper);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;gap:1rem;min-height:60px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:.45rem;color:var(--ink);text-decoration:none;font-weight:750;font-size:1.1rem;margin:0}
.logo b{color:var(--muted);font-weight:500}
.nav{display:flex;gap:.2rem;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.nav li{margin:0;flex:none}
.nav a{display:block;padding:.45rem .7rem;border-radius:999px;color:var(--ink);text-decoration:none;font-size:.95rem;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{background:var(--accent-soft)}
@media (min-width:900px){.hbar nav{margin-left:auto}}
@media (max-width:899px){.hbar{padding-top:.5rem}.hbar nav{width:100%;padding-bottom:.4rem}}
/* breadcrumbs */
.crumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:1.2rem 0 0;font-size:.88rem;color:var(--muted)}
.crumbs li{margin:0}
.crumbs li+li::before{content:"›";margin:0 .45rem}
.crumbs a{color:var(--muted)}
/* article */
.post{max-width:760px}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:1.4rem}
.lead{font-size:1.14rem;border-left:4px solid var(--accent);padding:.2rem 0 .2rem 1rem}
.disclosure{font-size:.82rem;color:var(--muted);background:var(--paper);border:1px dashed var(--line);border-radius:var(--r);padding:.55rem .8rem}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:.8rem 1.1rem;margin:1.4rem 0}
.toc summary{font-weight:700;cursor:pointer}
.toc ol{margin:.6rem 0 0;padding-left:1.3rem;font-size:.95rem}
.table-wrap{overflow-x:auto;margin:0 0 1.2rem;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{padding:.6rem .75rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--accent-soft);font-weight:700}
tbody tr:last-child td{border-bottom:0}
.tip,.warn{border-left:4px solid var(--tip-b);background:var(--tip);border-radius:0 var(--r) var(--r) 0;padding:.8rem 1rem;margin:0 0 1.2rem}
.warn{border-color:var(--warn-b);background:var(--warn)}
.tip p:last-child,.warn p:last-child{margin:0}
.steps{counter-reset:s;list-style:none;padding:0}
.steps>li{counter-increment:s;position:relative;padding:0 0 .6rem 2.6rem;margin-bottom:.6rem}
.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:1.85rem;height:1.85rem;border-radius:50%;background:var(--accent);color:#1f2328;font-weight:800;display:grid;place-items:center;font-size:.9rem}
.check{list-style:none;padding:0}
.check li{padding-left:1.7rem;position:relative}
.check li::before{content:"✓";position:absolute;left:.2rem;color:var(--tip-b);font-weight:800}
.proscons{display:grid;gap:1rem;margin-bottom:1.2rem}
.proscons>div{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:.4rem 1rem}
.proscons h3{margin-top:.6rem}
@media (min-width:640px){.proscons{grid-template-columns:1fr 1fr}}
.faq{border-bottom:1px solid var(--line);padding:.7rem 0}
.faq summary{font-weight:650;cursor:pointer}
.faq p{margin:.5rem 0 0}
/* affiliate */
.amz{display:flex;flex-wrap:wrap;gap:.8rem 1.2rem;align-items:center;justify-content:space-between;background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--r);padding:1rem 1.1rem;margin:0 0 1.3rem}
.amz>div{flex:1 1 300px}
.amz p{margin:0;font-size:.95rem}
.amz .amz-t{font-weight:750;font-size:1.05rem;margin-bottom:.2rem}
.btn{display:inline-block;background:var(--accent);color:#1f2328;font-weight:700;text-decoration:none;padding:.6rem 1.05rem;border-radius:8px;white-space:nowrap}
.btn:hover{filter:brightness(.95)}
/* cards */
.cards,.tiles{list-style:none;padding:0;display:grid;gap:.8rem;margin:0 0 1.5rem}
@media (min-width:640px){.cards{grid-template-columns:1fr 1fr}}
.cards li,.tiles li{margin:0}
.cards a{display:block;height:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:.85rem 1rem;text-decoration:none;color:var(--ink)}
.cards a:hover{border-color:var(--accent)}
.cards strong{display:block;color:var(--link);margin-bottom:.2rem}
.cards span{display:block;font-size:.88rem;color:var(--muted);line-height:1.5}
.related{max-width:760px;border-top:2px solid var(--line);margin-top:2.5rem}
/* home */
.home{max-width:none}
.hero{padding:2.2rem 0 1rem;max-width:780px}
.hero h1{font-size:clamp(2rem,5.5vw,3.1rem);margin-bottom:.8rem}
.hero h1 mark{background:linear-gradient(transparent 55%,var(--accent) 55%);color:inherit}
.hero p{font-size:1.15rem;color:var(--muted)}
.quick{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:1.2rem 0 0}
.quick li{margin:0}
.quick a{display:block;padding:.45rem .85rem;border:1px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);text-decoration:none;font-size:.93rem}
.quick a:hover{border-color:var(--accent);background:var(--accent-soft)}
.tiles{grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr))}
.tiles li{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.1rem}
.tiles li>a{text-decoration:none;color:var(--ink)}
.tiles li>a strong{display:block;font-size:1.12rem;color:var(--link);margin-bottom:.25rem}
.tiles li>a span{display:block;font-size:.9rem;color:var(--muted);line-height:1.5}
.tiles p{font-size:.86rem;margin:.6rem 0 0;line-height:1.7}
.home .section{max-width:780px}
/* footer */
.site-footer{margin-top:4rem;background:var(--paper);border-top:1px solid var(--line);font-size:.93rem;color:var(--muted)}
.fgrid{display:grid;gap:1.5rem;padding-top:2rem;padding-bottom:1rem}
@media (min-width:760px){.fgrid{grid-template-columns:1.3fr 1fr 1fr}}
.site-footer ul{list-style:none;padding:0}
.site-footer a{color:var(--muted)}
.fh{font-weight:700;color:var(--ink);margin-bottom:.4rem}
.fnote{border-top:1px solid var(--line);padding-top:1rem;padding-bottom:1.5rem;font-size:.84rem}