:root{--bg:#fff8f1;--ink:#2b1620;--sf:#fff;--rose:#be123c;--teal:#0f766e;--tint:#ffe4e6;--ln:#f1d8d3;--mute:#6b5560;--side:#2b1620}
@media(prefers-color-scheme:dark){:root{--bg:#1a0f14;--ink:#fbeff0;--sf:#2a1820;--rose:#fb7185;--teal:#5eead4;--tint:#3b1d28;--ln:#4a2a36;--mute:#c2a6b0;--side:#0f070b}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.75 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:inherit}h1,h2,h3,.logo{font-family:"Palatino Linotype",Palatino,Georgia,serif}
.app{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}
.side{background:var(--side);color:#fbeff0;padding:26px 20px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:18px}
.logo{font-size:23px;font-weight:700;text-decoration:none;line-height:1.15}.logo small{display:block;font:12px system-ui;letter-spacing:2px;text-transform:uppercase;color:#fda4af}
.side nav{display:flex;flex-direction:column;gap:2px}.side nav a{padding:9px 12px;border-radius:10px;text-decoration:none;color:#f3d6db}.side nav a:hover{background:rgba(255,255,255,.1);color:#fff}
.sp{display:grid;gap:8px;margin-top:auto}.sp a{background:var(--rose);color:#fff;text-decoration:none;padding:11px 12px;border-radius:12px;font-weight:700;text-align:center}.sp a.w{background:#25d366;color:#06240f}.sn{font-size:12px;color:#c9a3ad;margin:0}
.hero{background:var(--tint);padding:46px 34px 40px;border-bottom:1px solid var(--ln);border-radius:0 0 0 70px}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.12;margin:0 0 12px;max-width:760px}.hero h1 em{color:var(--rose)}.hero p{max-width:680px;margin:0 0 20px;color:var(--mute)}
.crumb{font-size:13px;color:var(--mute);margin-bottom:8px}.btns{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-block;padding:12px 20px;border-radius:99px;font-weight:700;text-decoration:none}.b1{background:var(--rose);color:#fff}.b2{background:var(--teal);color:#fff}.b3{background:#25d366;color:#06240f}
@media(prefers-color-scheme:dark){.b2{color:#042f2a}.b1{color:#2b0a14}}
.c{padding:30px 34px}.c.alt{background:var(--sf);border-block:1px solid var(--ln)}
h2{font-size:26px;line-height:1.25;margin:0 0 10px}h3{font-size:18px;margin:0 0 6px}.sub{color:var(--mute);margin:0 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{display:block;background:var(--sf);border:1px solid var(--ln);border-radius:22px;padding:20px;text-decoration:none;position:relative;overflow:hidden}.card:before{content:"";position:absolute;right:-22px;top:-22px;width:80px;height:80px;border-radius:50%;background:var(--tint)}.card:hover{border-color:var(--rose)}.card p{margin:0;font-size:14.5px;color:var(--mute);position:relative}.card h3{position:relative}
.bg{display:flex;flex-wrap:wrap;gap:8px}.bg a{background:var(--sf);border:1px solid var(--ln);padding:7px 14px;border-radius:99px;text-decoration:none;font-size:14px}.bg a:hover{background:var(--rose);color:#fff;border-color:var(--rose)}
.list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.list a{display:block;background:var(--sf);border:1px solid var(--ln);border-radius:16px;padding:13px 16px;text-decoration:none}.list a:hover{border-color:var(--rose)}
.toc,.qi{background:var(--tint);border-radius:18px;padding:16px 20px;margin-bottom:20px}.toc b,.qi b{font-family:Georgia,serif}.toc a{display:inline-block;margin:4px 12px 0 0;font-size:14px;color:var(--rose)}
.qi dl{margin:8px 0 0;display:grid;grid-template-columns:130px 1fr;gap:4px 10px;font-size:14.5px}.qi dt{color:var(--mute)}.qi dd{margin:0;font-weight:600}
main.art{max-width:800px}main.art p{margin:0 0 15px}main.art h2{margin-top:28px}main.art ul,main.art ol{padding-left:22px}li{margin-bottom:5px}
.steps{counter-reset:s;list-style:none;padding:0!important;display:grid;gap:10px}.steps li{counter-increment:s;background:var(--sf);border:1px solid var(--ln);border-radius:16px;padding:12px 14px 12px 54px;position:relative}.steps li:before{content:counter(s);position:absolute;left:12px;top:11px;width:30px;height:30px;border-radius:50%;background:var(--rose);color:#fff;display:grid;place-items:center;font-weight:700}
table{width:100%;border-collapse:collapse;font-size:15px;background:var(--sf);border-radius:14px;overflow:hidden}th,td{padding:10px 12px;border-bottom:1px solid var(--ln);text-align:left}th{background:var(--tint)}
details{background:var(--sf);border:1px solid var(--ln);border-radius:14px;padding:12px 16px;margin-bottom:10px}summary{cursor:pointer;font-weight:700}details p{margin:8px 0 0;color:var(--mute)}
.cta{margin:30px 34px;background:var(--side);color:#fbeff0;border-radius:28px;padding:34px 20px;text-align:center}.cta h2{color:#fff}.cta p{color:#e7c7cf}
.rv{border:2px dashed var(--ln);border-radius:22px;padding:26px;text-align:center}
footer{padding:26px 34px 80px;font-size:13.5px;color:var(--mute);border-top:1px solid var(--ln)}footer a{margin-right:12px}
.bar{display:none}
@media(max-width:900px){.app{grid-template-columns:1fr}.side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 16px}.side nav{flex-direction:row;overflow-x:auto;width:100%;order:3}.side nav a{white-space:nowrap}.sp{display:none}.sn{display:none}.hero,.c{padding-left:18px;padding-right:18px}.cta{margin:24px 14px}.hero{border-radius:0}.bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:9}.bar a{flex:1;text-align:center;padding:14px 4px;font-weight:700;text-decoration:none;background:var(--rose);color:#fff;border-right:1px solid rgba(255,255,255,.3)}.bar a:last-child{background:#25d366;color:#06240f;border:0}}