:root{--bg:#f6fafa;--fg:#13242a;--muted:#46595f;--brand:#0a6672;--brand-d:#084e57;--tint:#e6f3f4;--line:#d5e5e7;--card:#fff;--cta:#f4b23f;--cta-fg:#1b1b1b;--ok:#1d7a46;--no:#b42318;--warn:#fff4e0;--warn-l:#e3a13a;--r:12px;--w:76rem;--tw:46rem;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#0e191c;--fg:#e3edef;--muted:#a3b6ba;--brand:#5ec4cf;--brand-d:#8ad6de;--tint:#15282c;--line:#263c41;--card:#132226;--cta:#f4b23f;--ok:#5fcf8c;--no:#ff8a80;--warn:#2b2414;--warn-l:#c9902f}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--brand);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--brand-d);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--cta);outline-offset:2px;border-radius:4px}
img,svg{max-width:100%}
.wrap{max-width:var(--w);margin:0 auto;padding:0 1.1rem}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:.5rem;background:var(--card);padding:.5rem 1rem;z-index:9}
.skip:focus{left:.5rem}

/* header */
header.site{background:var(--card);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:1.5rem;min-height:60px}
.logo{display:flex;align-items:center;gap:.4rem;font-weight:700;font-size:1.15rem;color:var(--fg);text-decoration:none;white-space:nowrap}
.logo svg{color:var(--brand)}
.logo b{color:var(--brand)}
nav.main{overflow-x:auto;scrollbar-width:none;margin-left:auto}
nav.main::-webkit-scrollbar{display:none}
nav.main ul{display:flex;gap:.2rem;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:.55rem .7rem;border-radius:8px;color:var(--fg);text-decoration:none;font-size:.95rem;white-space:nowrap}
nav.main a:hover,nav.main a[aria-current]{background:var(--tint);color:var(--brand)}
@media (max-width:900px){.bar{flex-wrap:wrap;gap:0;padding-top:.5rem}nav.main{width:100%;margin:0 -.7rem;padding-bottom:.3rem}}

/* page */
main{padding:1.2rem 1.1rem 3rem}
.page article,.page .related{max-width:var(--tw);margin:0 auto}
.crumbs{max-width:var(--tw);margin:0 auto .5rem;font-size:.88rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.3rem;margin:0;padding:0}
.crumbs li+li::before{content:"›";margin-right:.3rem}
.crumbs a{color:var(--muted)}
h1,h2,h3{line-height:1.25;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(1.85rem,4.2vw,2.6rem);margin:.4rem 0 .5rem}
h2{font-size:1.5rem;margin:2.4rem 0 .8rem}
h3{font-size:1.18rem;margin:1.6rem 0 .5rem}
p,ul,ol{margin:0 0 1rem}
li{margin-bottom:.35rem}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:1.4rem}
.meta a{color:var(--muted)}
.lead{font-size:1.15rem;color:var(--fg)}

.toc{background:var(--tint);border-radius:var(--r);padding:1rem 1.2rem;margin:1.5rem 0}
.toc-h{font-weight:700;margin:0 0 .4rem}
.toc ol{margin:0;padding-left:1.3rem;columns:2 16rem;column-gap:2rem}
.toc li{break-inside:avoid;font-size:.95rem}

.box{border-radius:var(--r);padding:1rem 1.2rem;margin:1.5rem 0;border-left:4px solid var(--brand);background:var(--tint)}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.box.warn{background:var(--warn);border-color:var(--warn-l)}
.box.verdict{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--ok)}
ul.check,ul.cross{list-style:none;padding-left:0}
ul.check li,ul.cross li{position:relative;padding-left:1.6rem}
ul.check li::before,ul.cross li::before{position:absolute;left:0;font-weight:700}
ul.check li::before{content:"✓";color:var(--ok)}
ul.cross li::before{content:"✕";color:var(--no)}

.tbl{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--tint);font-weight:650}
tbody tr:last-child td{border-bottom:0}

.prod{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;margin:1.2rem 0}
.prod h3{margin:.2rem 0 .6rem}
.badge{display:inline-block;background:var(--tint);color:var(--brand-d);font-size:.8rem;font-weight:650;padding:.15rem .6rem;border-radius:99px}
.prod ul{margin-bottom:.8rem}
.btn{display:inline-block;background:var(--cta);color:var(--cta-fg);font-weight:650;text-decoration:none;padding:.7rem 1.2rem;border-radius:10px;min-height:44px}
.btn::after{content:" *"}
.btn:hover{color:var(--cta-fg);filter:brightness(1.06)}
a.aff::after{content:"*";font-size:.8em}

details.faq{border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin:.6rem 0}
details.faq summary{cursor:pointer;padding:.85rem 1.1rem;font-weight:650;list-style-position:outside;margin-left:1rem}
details.faq[open] summary{border-bottom:1px solid var(--line)}
details.faq>*:not(summary){padding:0 1.1rem}
details.faq>p:nth-child(2){padding-top:.8rem}

.disclose{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1rem;margin-top:2.5rem}
.disclose a{color:var(--muted)}

.cards{list-style:none;padding:0;margin:1.2rem 0;display:grid;gap:.8rem;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}
.cards li{margin:0}
.cards a{display:flex;flex-direction:column;gap:.25rem;height:100%;padding:1rem 1.1rem;background:var(--card);border:1px solid var(--line);border-radius:var(--r);text-decoration:none;color:var(--fg);transition:border-color .15s}
.cards a:hover{border-color:var(--brand)}
.cards strong{color:var(--brand)}
.cards span{font-size:.92rem;color:var(--muted);line-height:1.5}
.related{margin-top:3rem}

/* home */
.home{max-width:var(--w)}
.hero{padding:2.2rem 0 1rem;max-width:50rem}
.hero h1{font-size:clamp(2rem,5vw,3.1rem)}
.hero .lead{font-size:1.2rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:1.2rem 0}
.chips li{margin:0}
.chips a{display:inline-block;padding:.5rem .9rem;border:1px solid var(--line);border-radius:99px;background:var(--card);text-decoration:none;font-size:.95rem;min-height:44px;line-height:1.7}
.chips a:hover{border-color:var(--brand)}
.section{margin:2.5rem 0}
.section>h2{margin-top:0}
.split{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(18rem,1fr))}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.4rem}
.panel h3{margin-top:0}
.panel ul{padding-left:1.1rem;margin:0}
.home .tbl{max-width:none}
.prose{max-width:var(--tw)}

/* footer */
footer.site{background:var(--card);border-top:1px solid var(--line);padding:2.2rem 0 1.5rem;font-size:.93rem}
.fgrid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));margin-bottom:1.5rem}
.fh{font-weight:700;margin:0 0 .5rem}
.fh a{color:var(--fg);text-decoration:none}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:0}
footer li a{display:inline-block;padding:.25rem 0;color:var(--muted);text-decoration:none}
footer li a:hover{color:var(--brand);text-decoration:underline}
.small{font-size:.83rem;color:var(--muted);margin:.4rem 0}
@media print{header.site,footer.site,.toc,.related,.btn{display:none}}