/* Feather Client — global styles */
@font-face{font-family:"Poppins";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/poppins-400.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:500;font-display:swap;src:url("../fonts/poppins-500.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/poppins-600.woff2") format("woff2")}
@font-face{font-family:"Poppins";font-style:normal;font-weight:700;font-display:swap;src:url("../fonts/poppins-700.woff2") format("woff2")}

:root{
  --blue:#4c5cf5;
  --violet:#8b3ff0;
  --lilac:#c9b9ff;
  --lilac-soft:#f1edff;
  --ink:#1d1a4a;
  --text:#4a4770;
  --muted:#7a77a0;
  --line:#e6e1fb;
  --bg:#fbfaff;
  --white:#ffffff;
  --green:#21a366;
  --red:#d9485f;
  --grad:linear-gradient(100deg,#4c5cf5 0%,#7a46f2 55%,#a14ff0 100%);
  --wrap:1140px;
  --radius:14px;
  --shadow:0 18px 40px -22px rgba(60,44,170,.35);
  --block:0 4px 0 #3a2fb8;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Poppins",Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--violet)}
h1,h2,h3,h4{font-family:"Poppins",Arial,sans-serif;color:var(--ink);line-height:1.25;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,4.4vw,3.3rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.14rem;font-weight:600}
p{margin:0 0 1em}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:1180px){.wrap{padding:0}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:8px;background:var(--white);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
svg.ic{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* Buttons — block style */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:600;font-size:1rem;padding:14px 26px;border-radius:12px;border:0;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;line-height:1.2;text-align:center}
.btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-main{background:var(--grad);color:#fff;box-shadow:var(--block)}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 0 #3a2fb8}
.btn-main:active{transform:translateY(2px);box-shadow:0 2px 0 #3a2fb8}
.btn-ghost{background:var(--white);color:var(--ink);border:2px solid var(--line);box-shadow:0 4px 0 var(--line)}
.btn-ghost:hover{color:var(--violet);border-color:var(--lilac);transform:translateY(-2px)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,250,255,.92);backdrop-filter:saturate(160%) blur(10px);-webkit-backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid transparent;transition:box-shadow .2s,border-color .2s}
.site-header.scrolled{box-shadow:0 8px 24px -18px rgba(40,30,120,.45);border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--ink);flex:1 1 0}
.brand img{width:40px;height:40px}
.brand:hover{color:var(--ink)}
.menu{display:flex;align-items:center;justify-content:center;gap:4px;list-style:none;margin:0;padding:0;flex:0 0 auto}
.menu a{display:block;padding:8px 14px;border-radius:10px;font-weight:500;color:var(--ink);font-size:.97rem;transition:background .18s,color .18s}
.menu a:hover,.menu a.active{background:var(--lilac-soft);color:var(--violet)}
.nav-cta{flex:1 1 0;display:flex;justify-content:flex-end}
.nav-cta .btn{padding:11px 20px;font-size:.95rem}
.burger{display:none;background:var(--white);border:2px solid var(--line);border-radius:10px;width:46px;height:46px;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}
.burger svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
@media (max-width:960px){
  .burger{display:inline-flex}
  .nav-cta{flex:0 0 auto}
  .nav-cta .btn{display:none}
  .menu{position:fixed;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--white);padding:14px 20px 22px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(40,30,120,.35);transform:translateY(-10px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;max-height:calc(100vh - 74px);overflow:auto}
  .menu.open{opacity:1;transform:none;visibility:visible}
  .menu a{padding:12px 14px}
  .menu .m-cta{display:block;margin-top:8px}
  .menu .m-cta .btn{width:100%}
}
@media (min-width:961px){.menu .m-cta{display:none}}

/* Sections */
section{padding:88px 0;background:var(--bg);scroll-margin-top:80px}
section+section{border-top:1px solid #f0edfb}
.head{text-align:center;max-width:760px;margin:0 auto 48px}
.head p{color:var(--muted);font-size:1.03rem;margin:0}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--violet);margin-bottom:12px}
.tag::before{content:"";width:10px;height:10px;background:var(--grad);box-shadow:12px 0 0 var(--lilac)}
.tag::before{margin-right:12px}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 1 Hero */
.hero{padding:52px 0 64px;border-top:0}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
.hero .tag{margin-bottom:16px}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.08rem;margin-bottom:28px;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0}
.hero-meta li{display:flex;align-items:center;gap:8px;font-size:.92rem;font-weight:500;color:var(--ink)}
.hero-meta svg{width:20px;height:20px;color:var(--violet)}
.hero-art{position:relative}
.hero-art img{border-radius:22px;box-shadow:var(--shadow);border:6px solid var(--white);outline:2px solid var(--line)}
.hero-art .px{position:absolute;width:22px;height:22px;background:var(--grad)}
.hero-art .px.a{top:-14px;left:-14px}
.hero-art .px.b{bottom:-14px;right:28px;background:var(--lilac)}
.hero-art .px.c{bottom:18px;right:-14px}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:34px}.hero{padding-top:34px}}

/* 2 About — split with fact rows */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.about-img{position:relative;padding:18px 0 0 18px}
.about-img::before{content:"";position:absolute;inset:0 18px 18px 0;border:3px dashed var(--lilac);border-radius:20px}
.about-img img{position:relative;border-radius:18px;box-shadow:var(--shadow)}
.facts{list-style:none;margin:22px 0 0;padding:0}
.facts li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.facts li:last-child{border-bottom:0}
.facts svg{color:var(--blue);margin-top:3px}
.facts b{color:var(--ink);font-weight:600;display:block}
@media (max-width:900px){.about-grid{grid-template-columns:1fr;gap:36px}}

/* 3 Features — icon list with dividers */
.feat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px}
.feat{display:flex;gap:18px;padding:24px 16px;border-bottom:1px solid var(--line);border-radius:12px;transition:background .2s,transform .2s}
.feat:hover{background:var(--white);transform:translateX(4px)}
.feat .ico{width:54px;height:54px;flex:none;display:grid;place-items:center;color:#fff;background:var(--grad);border-radius:12px;box-shadow:0 4px 0 #3a2fb8;transition:transform .2s}
.feat:hover .ico{transform:rotate(-6deg)}
.feat h3{margin-bottom:6px}
.feat p{margin:0;font-size:.96rem}
@media (max-width:780px){.feat-list{grid-template-columns:1fr}}

/* 4 How it works — horizontal track */
.track{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative;list-style:none;margin:0;padding:0}
.track::before{content:"";position:absolute;top:38px;left:12%;right:12%;border-top:3px dashed var(--lilac)}
.track li{text-align:center;position:relative}
.track .dot{width:78px;height:78px;margin:0 auto 18px;border-radius:50%;background:var(--white);border:3px solid var(--lilac);display:grid;place-items:center;color:var(--violet);position:relative;transition:transform .2s,border-color .2s}
.track li:hover .dot{transform:translateY(-4px);border-color:var(--violet)}
.track .dot svg{width:32px;height:32px}
.track .step{position:absolute;top:-6px;right:-6px;background:var(--grad);color:#fff;font-size:.75rem;font-weight:700;width:26px;height:26px;border-radius:7px;display:grid;place-items:center}
.track p{font-size:.95rem;margin:0}
@media (max-width:860px){.track{grid-template-columns:1fr 1fr}.track::before{display:none}}
@media (max-width:520px){.track{grid-template-columns:1fr}}

/* 5 Compatibility — spec table */
.spec{margin:0;border-top:3px solid var(--ink)}
.spec-row{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:20px 8px;border-bottom:1px solid var(--line);align-items:start;transition:background .2s}
.spec-row:hover{background:var(--white)}
.spec-row dt{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--ink)}
.spec-row dt svg{color:var(--violet)}
.spec-row dd{margin:0}
@media (max-width:700px){.spec-row{grid-template-columns:1fr;gap:6px}}

/* 6 Use cases — zigzag rows */
.zig{display:flex;flex-direction:column;gap:18px}
.zig-item{display:flex;align-items:center;gap:26px;padding:8px 0;width:82%;transition:transform .2s}
.zig-item:nth-child(even){align-self:flex-end;flex-direction:row-reverse;text-align:right}
.zig-item:hover{transform:translateY(-3px)}
.zig-ico{width:88px;height:88px;flex:none;display:grid;place-items:center;color:var(--blue);background:var(--lilac-soft);clip-path:polygon(12% 0,88% 0,100% 12%,100% 88%,88% 100%,12% 100%,0 88%,0 12%);transition:background .2s,color .2s}
.zig-item:hover .zig-ico{background:var(--grad);color:#fff}
.zig-ico svg{width:36px;height:36px}
.zig-item h3{margin-bottom:4px}
.zig-item p{margin:0}
@media (max-width:700px){.zig-item,.zig-item:nth-child(even){width:100%;flex-direction:row;text-align:left;align-self:auto}.zig-ico{width:64px;height:64px}}

/* 7 Benefits — orbit around emblem */
.orbit{display:grid;grid-template-columns:1fr 260px 1fr;gap:34px;align-items:center}
.orbit ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:30px}
.orbit .l li{text-align:right}
.ben{transition:transform .2s}
.ben:hover{transform:translateY(-3px)}
.ben h3{display:flex;align-items:center;gap:10px;margin-bottom:4px}
.orbit .l .ben h3{justify-content:flex-end}
.ben h3 svg{color:var(--violet)}
.ben p{margin:0;font-size:.95rem}
.emblem{width:260px;height:260px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,#fff 52%,var(--lilac-soft) 53%,var(--lilac-soft) 70%,#fff 71%);border:3px dashed var(--lilac)}
.emblem img{width:120px;height:120px}
@media (max-width:900px){.orbit{grid-template-columns:1fr}.orbit .l li{text-align:left}.orbit .l .ben h3{justify-content:flex-start}.emblem{margin:0 auto;width:200px;height:200px;order:-1}.emblem img{width:90px;height:90px}}

/* 8 Installation — vertical timeline */
.tline{position:relative;margin:0;list-style:none;padding:0}
.tline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:4px;margin-left:-2px;background:repeating-linear-gradient(var(--lilac) 0 10px,transparent 10px 18px)}
.tline li{position:relative;width:50%;padding:0 46px 34px 0;text-align:right}
.tline li:nth-child(even){margin-left:50%;padding:0 0 34px 46px;text-align:left}
.tline .node{position:absolute;top:0;right:-22px;width:44px;height:44px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;box-shadow:0 4px 0 #3a2fb8}
.tline li:nth-child(even) .node{left:-22px;right:auto}
.tline .node svg{width:22px;height:22px}
.tline h3{margin-bottom:4px;padding-top:8px}
.tline p{margin:0}
@media (max-width:760px){.tline::before{left:22px}.tline li,.tline li:nth-child(even){width:100%;margin-left:0;padding:0 0 30px 70px;text-align:left}.tline .node,.tline li:nth-child(even) .node{left:0;right:auto}}

/* 9 Download */
.dl{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;background:linear-gradient(135deg,#eef0ff 0%,#f5eeff 100%);border:2px solid var(--line);border-radius:26px;padding:48px;position:relative;overflow:hidden}
.dl::after{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;background:repeating-linear-gradient(90deg,rgba(139,63,240,.12) 0 20px,transparent 20px 40px)}
.dl h2{text-align:left}
.dl-list{list-style:none;padding:0;margin:18px 0 26px}
.dl-list li{display:flex;gap:10px;align-items:flex-start;margin-bottom:10px}
.dl-list svg{color:var(--green);width:22px;height:22px;margin-top:2px}
.dl-note{font-size:.9rem;color:var(--muted);margin:16px 0 0}
.dl img{border-radius:18px;box-shadow:var(--shadow);border:5px solid #fff}
.dl .big{font-size:1.08rem;padding:16px 30px}
@media (max-width:860px){.dl{grid-template-columns:1fr;padding:30px 22px}}

/* 10 Safety — checklist with left accent */
.safe{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 48px;list-style:none;padding:0}
.safe li{display:flex;gap:16px;padding-left:18px;border-left:4px solid var(--lilac);transition:border-color .2s}
.safe li:hover{border-color:var(--violet)}
.safe svg{color:var(--blue);width:28px;height:28px}
.safe h3{margin-bottom:4px}
.safe p{margin:0;font-size:.96rem}
@media (max-width:760px){.safe{grid-template-columns:1fr}}

/* 11 Pros / Cons — split with divider */
.pc{display:grid;grid-template-columns:1fr 1fr}
.pc>div{padding:6px 40px}
.pc>div+div{border-left:2px dashed var(--line)}
.pc h3{font-size:1.35rem;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.pc ul{list-style:none;margin:0;padding:0}
.pc li{display:flex;gap:12px;padding:10px 12px;border-radius:10px;transition:background .2s,transform .2s}
.pc li:hover{background:var(--white);transform:translateX(3px)}
.pc .pro svg{color:var(--green)}
.pc .con svg{color:var(--red)}
.pc li svg{width:22px;height:22px;margin-top:3px}
.badge-pro,.badge-con{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;color:#fff}
.badge-pro{background:var(--green)}.badge-con{background:var(--red)}
.badge-pro svg,.badge-con svg{color:#fff!important;width:20px;height:20px;margin:0!important}
@media (max-width:760px){.pc{grid-template-columns:1fr}.pc>div{padding:6px 0}.pc>div+div{border-left:0;border-top:2px dashed var(--line);padding-top:26px;margin-top:20px}}

/* 12 Release — status strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.strip div{padding:26px 22px}
.strip div+div{border-left:1px solid var(--line)}
.strip small{display:block;text-transform:uppercase;letter-spacing:.1em;font-size:.74rem;font-weight:600;color:var(--violet);margin-bottom:6px}
.strip b{display:block;color:var(--ink);font-size:1.06rem;font-weight:600;margin-bottom:4px}
.strip p{margin:0;font-size:.92rem}
.rel-note{margin:26px 0 0;text-align:center;font-size:.95rem}
@media (max-width:900px){.strip{grid-template-columns:1fr 1fr}.strip div:nth-child(3){border-left:0}.strip div:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:520px){.strip{grid-template-columns:1fr}.strip div+div{border-left:0;border-top:1px solid var(--line)}}

/* 13 Troubleshooting — tabs */
.tabs{display:grid;grid-template-columns:300px 1fr;gap:34px;align-items:start}
.tab-list{display:flex;flex-direction:column;gap:6px}
.tab-btn{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:transparent;border:0;border-radius:12px;padding:14px 16px;font-size:.98rem;font-weight:500;color:var(--ink);cursor:pointer;transition:background .2s,color .2s}
.tab-btn svg{color:var(--violet)}
.tab-btn:hover{background:var(--white)}
.tab-btn[aria-selected="true"]{background:var(--grad);color:#fff;box-shadow:0 4px 0 #3a2fb8}
.tab-btn[aria-selected="true"] svg{color:#fff}
.tab-panel{background:var(--white);border:2px solid var(--line);border-radius:18px;padding:32px}
.tab-panel h3{font-size:1.3rem}
.tab-panel ul{margin:0;padding-left:20px}
.tab-panel li{margin-bottom:8px}
@media (max-width:820px){.tabs{grid-template-columns:1fr}.tab-list{flex-direction:row;overflow-x:auto;padding-bottom:6px}.tab-btn{white-space:nowrap;width:auto}}

/* 14 Guides preview / blog cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{display:flex;flex-direction:column;background:var(--white);border-radius:18px;overflow:hidden;border:1px solid var(--line);transition:transform .22s,box-shadow .22s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:1.08rem}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--violet)}
.card-body p{font-size:.94rem;flex:1}
.more{font-weight:600;display:inline-flex;align-items:center;gap:6px}
.more svg{width:18px;height:18px;transition:transform .2s}
.card:hover .more svg{transform:translateX(4px)}
.center{text-align:center;margin-top:40px}
@media (max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}

/* 15 FAQ */
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.faq-cat{display:flex;align-items:center;gap:10px;font-size:1.2rem;margin-bottom:16px;padding-bottom:12px;border-bottom:3px solid var(--ink)}
.faq-cat svg{color:var(--violet)}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;background:none;border:0;padding:18px 4px;text-align:left;font-size:1rem;font-weight:600;color:var(--ink);cursor:pointer}
.qa button:hover{color:var(--violet)}
.qa .pm{width:30px;height:30px;flex:none;border-radius:8px;background:var(--lilac-soft);display:grid;place-items:center;color:var(--violet);transition:background .2s,transform .25s}
.qa .pm svg{width:18px;height:18px}
.qa .pm .v{transition:opacity .2s}
.qa button[aria-expanded="true"] .pm{background:var(--grad);color:#fff}
.qa button[aria-expanded="true"] .pm .v{opacity:0}
.qa-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.qa-body>div{overflow:hidden}
.qa-body p{padding:0 4px 18px;margin:0}
.qa.open .qa-body{grid-template-rows:1fr}
@media (max-width:860px){.faq-cols{grid-template-columns:1fr}}

/* Footer */
.site-footer{background:var(--white);border-top:1px solid var(--line);padding:64px 0 0;font-size:.95rem}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.f-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.2rem;color:var(--ink);margin-bottom:14px}
.f-brand img{width:42px;height:42px}
.site-footer h4{font-size:1rem;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:var(--text);text-decoration:none}
.site-footer a:hover{color:var(--violet)}
.f-bottom{margin-top:44px;padding:22px 0;border-top:1px solid var(--line);text-align:center;font-size:.9rem;color:var(--muted)}
.f-bottom p{margin:0 0 4px}
.f-bottom a{color:var(--violet);font-weight:600}
@media (max-width:820px){.f-grid{grid-template-columns:1fr 1fr}.f-grid>div:first-child{grid-column:1/-1}}
@media (max-width:480px){.f-grid{grid-template-columns:1fr}}

.to-top{position:fixed;right:20px;bottom:20px;width:48px;height:48px;border-radius:12px;border:0;background:var(--grad);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 4px 0 #3a2fb8;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s,transform .2s,visibility .2s;z-index:40}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* Inner pages */
.page-hero{padding:56px 0 40px;text-align:center;border-top:0}
.page-hero p{max-width:720px;margin:0 auto;color:var(--muted)}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--violet)}
.crumbs span{margin:0 6px}
.prose{max-width:none}
.prose h2{font-size:1.5rem;margin-top:1.6em}
.prose ul{padding-left:22px}
.prose li{margin-bottom:6px}
.plain-email{font-weight:600;color:var(--ink);background:var(--lilac-soft);padding:4px 10px;border-radius:8px}

/* Article layout */
.post-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;padding-top:12px;padding-bottom:80px}
.post-head{padding:44px 0 0;border-top:0}
.post-head h1{font-size:clamp(1.9rem,3.6vw,2.7rem)}
.post-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.9rem;color:var(--muted);margin-bottom:22px}
.post-meta span{display:flex;align-items:center;gap:6px}
.post-meta svg{width:18px;height:18px}
.post-cover{border-radius:18px;box-shadow:var(--shadow);margin-bottom:30px}
.article{font-size:1.04rem}
.article h2{font-size:1.55rem;margin:1.7em 0 .6em}
.article h3{font-size:1.18rem;margin:1.3em 0 .5em}
.article ul{padding-left:22px;margin:0 0 1.2em}
.article li{margin-bottom:7px}
.article li::marker{color:var(--violet)}
.table-wrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:14px}
.article table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:520px;background:#fff}
.article th,.article td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.article th{background:var(--lilac-soft);color:var(--ink);font-weight:600}
.article tr:last-child td{border-bottom:0}
.note{border-left:4px solid var(--violet);background:var(--white);padding:16px 20px;border-radius:0 12px 12px 0;margin:0 0 1.3em}
.sidebar{position:sticky;top:94px;max-height:calc(100vh - 110px);overflow-y:auto;overscroll-behavior:contain;padding-right:6px;scrollbar-width:thin;scrollbar-color:var(--lilac) transparent}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--lilac);border-radius:6px}
.side-box{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:22px}
.side-box h4{font-size:1rem;margin-bottom:12px}
.toc{list-style:none;margin:0;padding:0;font-size:.92rem}
.toc li{margin-bottom:8px}
.toc a{color:var(--text)}
.toc a:hover,.toc a.active{color:var(--violet)}
.side-cta{background:linear-gradient(135deg,#eef0ff,#f5eeff)}
.side-cta img{width:56px;height:56px;margin-bottom:10px}
.side-cta p{font-size:.92rem}
.side-cta .btn{width:100%}
.rel{list-style:none;margin:0;padding:0}
.rel li{margin-bottom:12px}
.rel a{display:flex;gap:12px;align-items:center;color:var(--ink);font-size:.9rem;font-weight:500;line-height:1.4}
.rel img{width:72px;height:44px;object-fit:cover;border-radius:8px;flex:none}
.rel a:hover{color:var(--violet)}
.related{padding:70px 0}
@media (max-width:980px){.post-wrap{grid-template-columns:minmax(0,1fr)}.sidebar{position:static;max-height:none;overflow:visible}}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}
.qa-h{margin:0;font-size:inherit;font-weight:inherit;line-height:inherit}
#site-header{display:block;min-height:74px}
.dl-title{font-size:1.4rem}