:root{

  --bg:#0F172A; --surface:#1E293B; --surface2:#273449; --surface3:#334155;
  --border:rgba(248,250,252,0.10); --border2:rgba(248,250,252,0.18);
  --hover-overlay:rgba(248,250,252,0.06); --divider:rgba(248,250,252,0.08);
  --accent:#3B82F6; --accent-hover:#2563EB; --accent-dark:#1D4ED8; --accent2:#1D4ED8; --accent-contrast:#FFFFFF;
  --heading:#F8FAFC; --text:#E2E8F0; --muted:#94A3B8;
  --success:#22C55E; --warning:#F59E0B; --danger:#EF4444; --info:#3B82F6;
  --shadow-sm:0 1px 2px rgba(0,0,0,.35); --shadow-md:0 12px 34px rgba(0,0,0,.45);
  --shadow-glow:0 0 60px rgba(59,130,246,.22);
  --radius:14px; --radius-sm:9px; --radius-lg:22px;
  --font-display:'Space Grotesk',sans-serif; --font-body:'Plus Jakarta Sans',sans-serif; --font-mono:'JetBrains Mono',monospace;
  --maxw:1080px;
}
:root[data-theme="light"]{
  --bg:#F4F5F7; --surface:#FFFFFF; --surface2:#FAFAFB; --surface3:#EEF0F3;
  --border:#D1D5DB; --border2:#B8BEC9;
  --hover-overlay:rgba(17,24,39,0.05); --divider:rgba(17,24,39,0.08);
  --accent:#3B82F6; --accent-hover:#2563EB; --accent-dark:#1D4ED8; --accent2:#1D4ED8; --accent-contrast:#FFFFFF;
  --heading:#111827; --text:#374151; --muted:#6B7280;
  --success:#16A34A; --warning:#B45309; --danger:#DC2626; --info:#2563EB;
  --shadow-sm:0 1px 2px rgba(17,24,39,.06); --shadow-md:0 10px 30px rgba(17,24,39,.10); --shadow-glow:0 0 60px rgba(59,130,246,.14);
}
html{color-scheme:dark;} html[data-theme="light"]{color-scheme:light;}

*{box-sizing:border-box;}
[hidden]{display:none !important;}
html{scroll-behavior:smooth;}
body{
  margin:0; font-family:var(--font-body); background:var(--bg); color:var(--text);
  font-weight:500; line-height:1.55; min-height:100vh;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;}
:focus-visible{outline:2px solid var(--accent); outline-offset:2px; border-radius:4px;}

.hero-title,.section-title,.topics-title,.card h3,.steps h3,.topic h4,.guide h1,.guide h2,.faq summary,.field-head label,.saved-title,.sh-wordmark{color:var(--heading);}
.ic{width:1.05em; height:1.05em; stroke:currentColor; fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; vertical-align:-0.16em; display:inline-block; flex-shrink:0;}
.ic-fill{fill:currentColor; stroke:none;}

.site-header{
  position:sticky; top:0; z-index:20;
  background:color-mix(in srgb,var(--bg) 82%,transparent); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  max-width:var(--maxw); margin:0 auto; padding:1.1rem 1.25rem;
  position:relative;
}

.sh-brand{display:inline-flex; align-items:center; gap:.6rem; text-decoration:none; color:inherit;
  font-family:var(--font-display); font-weight:700; font-size:1.15rem; letter-spacing:-.02em;}

.sh-logo{height:34px; width:auto; display:block; flex-shrink:0;}
.sh-wordmark{white-space:nowrap;}
.sh-accent{color:var(--accent);}

.nav-pills{
  display:flex; align-items:center; gap:.2rem;
  background:var(--surface2); border:1px solid var(--border);
  padding:.28rem; border-radius:999px;
}
.pill{
  display:inline-flex; align-items:center; gap:.35rem;
  text-decoration:none; color:var(--muted); font-weight:600; font-size:.88rem; line-height:1;
  padding:.45rem .8rem; border-radius:999px; white-space:nowrap;
  transition:color .15s, background .15s;
}
.pill:hover{color:var(--text); background:var(--hover-overlay);}
.pill .ic{width:1em; height:1em;}
.pill-ext{color:var(--accent);}
.pill-ext:hover{color:var(--accent); background:color-mix(in srgb,var(--accent) 12%,transparent);}

.nav-actions{display:flex; align-items:center; gap:.5rem;}

.icon-btn.menu-btn{display:none;}
.menu-btn .ic-close{display:none;}
.menu-btn[aria-expanded="true"] .ic-menu{display:none;}
.menu-btn[aria-expanded="true"] .ic-close{display:inline-block;}
.icon-btn{
  display:grid; place-items:center; width:38px; height:38px; border-radius:10px; cursor:pointer;
  background:var(--surface2); color:var(--text); border:1px solid var(--border); font-size:1.05rem; transition:background .15s,border-color .15s;
}
.icon-btn:hover{background:var(--surface3); border-color:var(--border2);}
.ic-moon{display:none;} :root[data-theme="light"] .ic-sun{display:none;} :root[data-theme="light"] .ic-moon{display:inline-block;}

.sh-breadcrumb{max-width:var(--maxw); margin:0 auto; padding:.9rem 1.25rem 0;}
.sh-breadcrumb ol{list-style:none; display:flex; flex-wrap:wrap; align-items:center; gap:.15rem; margin:0; padding:0; font-size:.82rem; color:var(--muted);}
.sh-breadcrumb li{display:inline-flex; align-items:center; gap:.15rem; min-width:0;}
.sh-breadcrumb a{text-decoration:none; color:var(--muted); font-weight:600; padding:.15rem .1rem; transition:color .15s;}
.sh-breadcrumb a:hover{color:var(--text);}
.sh-breadcrumb li[aria-current="page"]{color:var(--text); font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:60vw;}
.sh-breadcrumb .sh-sep{color:var(--border2); padding:0 .1rem; user-select:none;}

.hero{max-width:var(--maxw); margin:0 auto; padding:1.5rem 1.25rem 1rem;}
.hero-inner{text-align:center; max-width:720px; margin:0 auto 1.25rem;}
.hero-badge{
  display:inline-flex; align-items:center; gap:.45rem; font-size:.78rem; font-weight:600; color:var(--accent);
  background:color-mix(in srgb,var(--accent) 12%,transparent); border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
  padding:.28rem .7rem; border-radius:999px; margin-bottom:.7rem;
}
.hero-title{font-family:var(--font-display); font-weight:700; font-size:clamp(1.8rem,4.2vw,2.6rem); line-height:1.1; letter-spacing:-.03em; margin:0 0 .5rem;}
.grad{background:linear-gradient(120deg,var(--accent),var(--accent2)); -webkit-background-clip:text; background-clip:text; color:transparent;}

.hero-sub{font-size:clamp(.92rem,1.6vw,1.02rem); color:var(--muted); margin:0 auto; max-width:600px;}

.tool{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md); padding:1.5rem; max-width:760px; margin:0 auto;
  display:flex; flex-direction:column;
}
@media(min-width:640px){ .tool{padding:1.6rem 2rem 2rem;} }

.notice{
  display:flex; align-items:flex-start; gap:.7rem; font-size:.9rem;
  color:var(--info); background:color-mix(in srgb,var(--info) 10%,transparent);
  border:1px solid color-mix(in srgb,var(--info) 28%,transparent);
  border-radius:var(--radius-sm); padding:.75rem .9rem; margin-bottom:1.1rem;
}
.notice .ic{margin-top:.1rem; flex-shrink:0;}
.notice-body{flex-grow:1; color:var(--text);}
.notice-close{background:none; border:none; color:var(--muted); cursor:pointer; padding:.15rem; border-radius:6px; display:grid; place-items:center;}
.notice-close:hover{background:var(--hover-overlay); color:var(--text);}

.field-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:.5rem;}
.field-head label{font-weight:600; font-size:.95rem;}
.count{font-family:var(--font-mono); font-size:.82rem; color:var(--muted); background:var(--surface2); padding:.2rem .55rem; border-radius:999px; border:1px solid var(--border);}
textarea, input[type="text"], input[type="number"], select{
  width:100%; font-family:var(--font-body); font-size:.95rem; color:var(--text);
  background:var(--surface2); border:1.5px solid var(--border); border-radius:var(--radius-sm);
  padding:.8rem .9rem; transition:border-color .15s, box-shadow .15s;
}
textarea{resize:vertical; min-height:150px; font-family:var(--font-mono); font-size:.9rem; line-height:1.6;}
textarea::placeholder{color:var(--muted); opacity:.7;}
textarea:focus, input:focus, select:focus{outline:none; border-color:var(--accent); box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent);}
select{cursor:pointer;}

.field-summary{
  display:flex; align-items:center; justify-content:space-between; gap:.8rem;
  background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:.6rem .7rem .6rem .9rem;
}
.field-summary-main{min-width:0; display:flex; align-items:baseline; gap:.6rem;}
.field-summary-count{font-size:.9rem; color:var(--text); white-space:nowrap; font-weight:600;}
.field-summary-detail{
  font-family:var(--font-mono); font-size:.75rem; color:var(--muted);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; min-width:0;
}
@media(max-width:560px){
  .field-summary{flex-wrap:wrap;}
  .field-summary-main{flex-basis:100%;}
  .field-summary .btn{width:100%;}
}

.actions{display:grid; grid-template-columns:1fr 1fr 1fr; gap:.7rem; margin-top:1rem;}
@media(max-width:560px){ .actions{grid-template-columns:1fr;} }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem; cursor:pointer;
  font-family:var(--font-body); font-weight:700; font-size:.95rem; padding:.8rem 1rem;
  border-radius:var(--radius-sm); border:1px solid transparent; transition:transform .12s, background .15s, border-color .15s, opacity .15s;
}
.btn:active{transform:translateY(1px);}
.btn-sm{padding:.6rem .85rem; font-size:.88rem;}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2)); color:#fff; box-shadow:var(--shadow-glow);}
.btn-primary:hover{filter:brightness(1.07);}
.btn-secondary{background:var(--surface2); color:var(--text); border-color:var(--border2);}
.btn-secondary:hover{background:var(--surface3);}
.btn-ghost{background:transparent; color:var(--muted); border-color:var(--border);}
.btn-ghost:hover{color:var(--text); background:var(--hover-overlay);}

.options{display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-top:1.2rem; padding-top:1.2rem; border-top:1px solid var(--divider);}
@media(max-width:560px){ .options{grid-template-columns:1fr;} }
.opt label{display:flex; align-items:center; gap:.4rem; font-size:.85rem; font-weight:600; color:var(--muted); margin-bottom:.4rem;}
.opt .ic{color:var(--accent);}

.saved{margin-top:1.2rem; padding-top:1.2rem; border-top:1px solid var(--divider);}
.saved-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:.7rem;}
.saved-title{display:flex; align-items:center; gap:.45rem; font-weight:600; font-size:.95rem;}
.saved-title .ic{color:var(--accent);}
.saved-form{display:flex; gap:.6rem;}
.saved-form input{flex-grow:1;}
.saved-items{list-style:none; margin:.8rem 0 0; padding:0; display:flex; flex-direction:column; gap:.5rem;}
.saved-item{
  display:flex; align-items:center; gap:.6rem; background:var(--surface2); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:.6rem .8rem;
}
.saved-item-main{flex-grow:1; min-width:0; cursor:pointer; text-align:left; background:none; border:none; color:inherit; font-family:inherit; padding:0;}
.saved-item-name{font-weight:600; font-size:.92rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; display:block;}
.saved-item-meta{font-family:var(--font-mono); font-size:.75rem; color:var(--muted); display:block; margin-top:.1rem;}
.saved-item .del{background:none; border:none; color:var(--muted); cursor:pointer; padding:.35rem; border-radius:6px; display:grid; place-items:center;}
.saved-item .del:hover{color:var(--danger); background:color-mix(in srgb,var(--danger) 12%,transparent);}
.saved-empty{color:var(--muted); font-size:.88rem; margin:.7rem 0 0;}

.shortcuts{text-align:center; color:var(--muted); font-size:.82rem; margin:1.3rem 0 0;}
kbd{font-family:var(--font-mono); font-size:.78rem; background:var(--surface3); border:1px solid var(--border); border-bottom-width:2px; border-radius:5px; padding:.08rem .4rem;}

.section{max-width:var(--maxw); margin:0 auto; padding:3.5rem 1.25rem;}
.section-alt{background:var(--surface); border-top:1px solid var(--border); border-bottom:1px solid var(--border); max-width:none;}
.section-alt > *{max-width:var(--maxw); margin-left:auto; margin-right:auto;}
.section-title{font-family:var(--font-display); font-weight:700; font-size:clamp(1.5rem,3.5vw,2.1rem); letter-spacing:-.02em; text-align:center; margin:0 auto 2.2rem; max-width:640px; line-height:1.2;}

.grid{display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem;}
@media(max-width:860px){ .grid{grid-template-columns:repeat(2,1fr);} }
@media(max-width:560px){ .grid{grid-template-columns:1fr;} }
.card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:1.5rem; transition:transform .15s, border-color .15s;}
.section-alt .card{background:var(--surface2);}
.card:hover{transform:translateY(-3px); border-color:var(--border2);}
.card-icon{display:grid; place-items:center; width:44px; height:44px; border-radius:12px; font-size:1.2rem; color:#fff; background:linear-gradient(135deg,var(--accent),var(--accent2)); margin-bottom:1rem;}
.card h3{font-family:var(--font-display); font-size:1.15rem; font-weight:600; margin:0 0 .5rem;}
.card p{color:var(--muted); font-size:.95rem; margin:0;}

.steps{list-style:none; counter-reset:s; margin:0 auto; padding:0; max-width:900px; display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem;}
@media(max-width:760px){ .steps{grid-template-columns:1fr; gap:1.1rem; max-width:460px;} }
.steps li{display:flex; gap:1rem; align-items:flex-start;}
.step-num{flex-shrink:0; display:grid; place-items:center; width:38px; height:38px; border-radius:50%; font-family:var(--font-display); font-weight:700; color:#fff; background:linear-gradient(135deg,var(--accent),var(--accent2));}
.steps h3{font-family:var(--font-display); font-size:1.1rem; margin:.2rem 0 .4rem;}
.steps p{color:var(--muted); font-size:.93rem; margin:0;}
.steps code, .card code, .faq code{font-family:var(--font-mono); font-size:.85em; background:var(--surface3); padding:.05rem .35rem; border-radius:5px;}

.topics-title{font-family:var(--font-display); font-weight:600; font-size:1.25rem; text-align:center; margin:3rem auto 1.6rem; padding-top:2rem; border-top:1px solid var(--divider); max-width:900px;}
.topic-grid{max-width:900px; margin:0 auto; display:grid; grid-template-columns:repeat(2,1fr); gap:1.1rem;}
@media(max-width:680px){ .topic-grid{grid-template-columns:1fr;} }
.topic{background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius); padding:1.3rem 1.4rem;}
.topic h4{display:flex; align-items:center; gap:.5rem; font-family:var(--font-display); font-size:1.05rem; font-weight:600; margin:0 0 .5rem;}
.topic h4 .ic{color:var(--accent);}
.topic p{color:var(--muted); font-size:.92rem; margin:0;}
.topic strong{color:var(--text); font-weight:600;}
.topic code{font-family:var(--font-mono); font-size:.85em; background:var(--surface3); padding:.05rem .35rem; border-radius:5px;}
.topic kbd{font-family:var(--font-mono); font-size:.76rem; background:var(--surface3); border:1px solid var(--border); border-bottom-width:2px; border-radius:5px; padding:.06rem .35rem;}

.faq{max-width:720px; margin:0 auto; display:flex; flex-direction:column; gap:.7rem;}
.faq details{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm); padding:.2rem;}
.section:not(.section-alt) .faq details{background:var(--surface);}
.faq summary{cursor:pointer; font-weight:600; padding:.9rem 1rem; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:1rem;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+"; font-family:var(--font-mono); font-size:1.3rem; color:var(--accent); transition:transform .2s;}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq p{color:var(--muted); margin:0; padding:0 1rem 1rem; font-size:.94rem;}

.site-footer{border-top:1px solid var(--border); margin-top:2rem; padding:3rem 1.25rem 1.6rem; background:var(--surface);}
.footer-inner{max-width:var(--maxw); margin:0 auto; display:grid; grid-template-columns:1.7fr 1fr 1fr 1fr 1.1fr; gap:2rem;}
.footer-brand-col{display:flex; flex-direction:column; gap:.9rem; max-width:320px;}
.footer-pitch{color:var(--muted); font-size:.87rem; margin:0; line-height:1.5;}
.social{display:flex; gap:.5rem; flex-wrap:wrap;}
.social a{
  display:grid; place-items:center; width:34px; height:34px; border-radius:9px;
  color:var(--muted); background:var(--surface2); border:1px solid var(--border);
  transition:color .15s, border-color .15s, background .15s;
}
.social a:hover{color:var(--accent); border-color:var(--accent); background:color-mix(in srgb,var(--accent) 10%,transparent);}
.social .ic{width:1.05rem; height:1.05rem;}
.footer-col h3{font-family:var(--font-display); font-size:.95rem; font-weight:600; margin:0 0 .8rem; color:var(--heading);}
.footer-col ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.55rem;}
.footer-col a{text-decoration:none; color:var(--muted); font-size:.9rem; font-weight:500; transition:color .15s;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  max-width:var(--maxw); margin:2.4rem auto 0; padding-top:1.4rem; border-top:1px solid var(--divider);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:.5rem 1.5rem;
  color:var(--muted); font-size:.83rem;
}
.footer-bottom p{margin:0;}
.footer-bottom a{color:var(--muted); text-decoration:none; font-weight:600;}
.footer-bottom a:hover{color:var(--accent);}
@media(max-width:860px){ .footer-inner{grid-template-columns:1fr 1fr; gap:2rem 1.5rem;} .footer-brand-col{grid-column:1/-1; max-width:none;} }

.install-card{
  position:fixed; right:1.1rem; bottom:1.1rem; z-index:45;
  width:min(340px, calc(100vw - 2.2rem));
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  box-shadow:var(--shadow-md); padding:1rem; animation:fabin .3s ease;
}
.install-card-head{display:flex; align-items:center; gap:.6rem; margin-bottom:.5rem; padding-right:1.4rem;}
.install-card-logo{height:26px; width:auto; display:block; flex-shrink:0;}
.install-card-title{font-family:var(--font-display); font-weight:700; font-size:.98rem; color:var(--heading);}
.install-card p{margin:0 0 .9rem; color:var(--muted); font-size:.87rem; line-height:1.45;}
.install-card-actions{display:flex; gap:.5rem;}
.install-card-actions .btn{flex:1;}
.install-card-close{
  position:absolute; top:.5rem; right:.5rem; background:none; border:none; color:var(--muted);
  cursor:pointer; padding:.25rem; border-radius:6px; display:grid; place-items:center;
}
.install-card-close:hover{background:var(--hover-overlay); color:var(--text);}
@media(max-width:560px){ .install-card{left:1.1rem; right:1.1rem; width:auto;} }

.install-fab{
  position:fixed; right:1.1rem; bottom:1.1rem; z-index:40;
  display:inline-flex; align-items:center; gap:.5rem; cursor:pointer;
  font-family:var(--font-body); font-weight:700; font-size:.92rem; color:#fff;
  background:linear-gradient(135deg,var(--accent),var(--accent2)); border:none;
  padding:.75rem 1.1rem; border-radius:999px; box-shadow:var(--shadow-md);
  animation:fabin .3s ease;
}
@keyframes fabin{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:none;}}
.install-fab:hover{filter:brightness(1.08);}

.offline-badge{
  position:fixed; left:1.1rem; bottom:1.1rem; z-index:40;
  display:inline-flex; align-items:center; gap:.4rem; font-size:.82rem; font-weight:600;
  color:var(--warning); background:var(--surface); border:1px solid color-mix(in srgb,var(--warning) 40%,transparent);
  padding:.5rem .8rem; border-radius:999px; box-shadow:var(--shadow-sm);
}

.toast{
  position:fixed; left:50%; bottom:1.4rem; transform:translateX(-50%);
  z-index:50; background:var(--text); color:var(--bg); font-weight:600; font-size:.9rem;
  padding:.7rem 1.1rem; border-radius:999px; box-shadow:var(--shadow-md);
  display:inline-flex; align-items:center; gap:.5rem; animation:toastin .25s ease;
}
@keyframes toastin{from{opacity:0; transform:translate(-50%,10px);} to{opacity:1; transform:translate(-50%,0);}}
.toast.err{background:var(--danger); color:#fff;}

.guide{max-width:760px; margin:0 auto; padding:2.5rem 1.25rem 3rem;}
.guide-back{display:inline-flex; align-items:center; gap:.4rem; text-decoration:none; color:var(--muted); font-weight:600; font-size:.9rem; margin-bottom:1.4rem;}
.guide-back:hover{color:var(--text);}
.guide h1{font-family:var(--font-display); font-weight:700; font-size:clamp(1.8rem,5vw,2.6rem); letter-spacing:-.02em; margin:0 0 .6rem; line-height:1.1;}
.guide-lead{color:var(--muted); font-size:1.05rem; margin:0 0 2rem;}
.guide h2{font-family:var(--font-display); font-weight:600; font-size:1.3rem; margin:2.2rem 0 .7rem; padding-top:1.2rem; border-top:1px solid var(--divider);}
.guide p{color:var(--text); margin:0 0 1rem;}
.guide ul, .guide ol{color:var(--text); padding-left:1.3rem; margin:0 0 1rem;}
.guide li{margin-bottom:.5rem;}
.guide li::marker{color:var(--accent);}
.guide code{font-family:var(--font-mono); font-size:.86em; background:var(--surface3); padding:.05rem .35rem; border-radius:5px;}
.guide-note{display:flex; gap:.6rem; align-items:flex-start; background:color-mix(in srgb,var(--accent) 9%,transparent); border:1px solid color-mix(in srgb,var(--accent) 26%,transparent); border-radius:var(--radius-sm); padding:.9rem 1rem; font-size:.93rem;}
.guide-note .ic{color:var(--accent); margin-top:.15rem; flex-shrink:0;}
.guide-cta{margin-top:2.2rem; padding-top:1.5rem; border-top:1px solid var(--divider);}
.guide-cta .btn{text-decoration:none;}

@media(max-width:760px){

  .icon-btn.menu-btn{display:grid;}
  .nav-pills{
    display:none; position:absolute; top:calc(100% + .5rem); left:1.25rem; right:1.25rem;
    flex-direction:column; align-items:stretch; gap:.15rem;
    background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
    padding:.5rem; box-shadow:var(--shadow-md); z-index:30;
  }
  .nav-pills.open{display:flex;}
  .pill{justify-content:flex-start; padding:.7rem .85rem; font-size:.95rem; border-radius:var(--radius-sm);}
  .sh-breadcrumb ol{justify-content:center;}
}
@media(max-width:640px){
  .hero{padding-top:1.6rem;}

  .footer-inner{grid-template-columns:1fr; gap:2rem; text-align:center; justify-items:center;}
  .footer-brand-col{align-items:center; max-width:340px;}
  .social{justify-content:center;}
  .footer-col ul{align-items:center;}
  .footer-bottom{flex-direction:column; justify-content:center; text-align:center; gap:.5rem;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important;}
}

.opt-hint{color:var(--muted); font-size:.82rem; margin:.7rem 0 0; text-align:center;}
.actions-2{grid-template-columns:1fr auto;}
@media(max-width:560px){ .actions-2{grid-template-columns:1fr;} }
.actions-3{grid-template-columns:1fr 1fr auto; margin-top:1.2rem;}
@media(max-width:560px){ .actions-3{grid-template-columns:1fr;} }

.run-bar{display:flex; align-items:center; justify-content:space-between; gap:.8rem 1rem; flex-wrap:wrap; margin-bottom:1rem;}
.run-progress{font-family:var(--font-mono); font-size:.85rem; color:var(--muted);}

.table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius-sm);}
.res-table{width:100%; border-collapse:collapse; font-size:.92rem;}
.res-table thead th{
  text-align:left; font-weight:600; color:var(--muted); font-size:.76rem;
  text-transform:uppercase; letter-spacing:.04em; padding:.6rem .9rem;
  background:var(--surface2); border-bottom:1px solid var(--border); position:sticky; top:0;
}
.res-table th.res-rank-h{width:130px;}
.res-table td{padding:.5rem .9rem; border-bottom:1px solid var(--divider); vertical-align:middle;}
.res-table tbody tr:last-child td{border-bottom:none;}
.res-kw{color:var(--text); word-break:break-word;}
.res-rank input{width:100%; padding:.42rem .55rem; text-align:center; font-family:var(--font-mono);}

.method-switch{margin:.9rem 0 0; font-size:.85rem; color:var(--muted);}
.method-switch a{color:var(--accent); text-decoration:none; font-weight:600;}
.method-switch a:hover{text-decoration:underline;}
.section-lead{text-align:center; color:var(--muted); max-width:620px; margin:-1rem auto 2.4rem; font-size:1rem;}

.variants{display:grid; grid-template-columns:repeat(3,1fr); gap:1.1rem; align-items:stretch;}
@media(max-width:860px){ .variants{grid-template-columns:1fr; max-width:460px; margin:0 auto;} }
.variant{display:flex; flex-direction:column; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:1.5rem;}
.section-alt .variant{background:var(--surface2);}
.variant.is-current{border-color:var(--accent); box-shadow:var(--shadow-glow);}
.variant-head{display:flex; flex-direction:column; gap:.5rem; margin-bottom:.8rem;}
.variant-badge{align-self:flex-start; font-size:.72rem; font-weight:700; letter-spacing:.03em; text-transform:uppercase; color:var(--accent); background:color-mix(in srgb,var(--accent) 14%,transparent); border-radius:99px; padding:.15rem .6rem;}
.variant-head h3{font-family:var(--font-display); font-size:1.2rem; margin:0; color:var(--heading);}
.variant-how{color:var(--muted); font-size:.9rem; margin:0 0 1rem;}
.variant ul{list-style:none; margin:0 0 .9rem; padding:0; display:flex; flex-direction:column; gap:.4rem; font-size:.88rem;}
.variant .pros li, .variant .cons li{position:relative; padding-left:1.5rem;}
.variant .pros li::before{content:"\2713"; position:absolute; left:0; color:var(--success); font-weight:700;}
.variant .cons li::before{content:"\2014"; position:absolute; left:0; color:var(--muted); font-weight:700;}
.variant .pros li{color:var(--text);}
.variant .cons li{color:var(--muted);}
.variant .btn{margin-top:auto; width:100%;}

.install-tool{display:flex; flex-direction:column; gap:1.2rem;}
.install-hero{display:flex; align-items:center; gap:1.1rem;}
.install-hero-icon{flex:none; width:60px; height:60px; display:grid; place-items:center; border-radius:16px; background:color-mix(in srgb,var(--accent) 14%,transparent); color:var(--accent);}
.install-hero-icon .ic{width:30px; height:30px;}
.install-hero-body h2{font-family:var(--font-display); font-size:1.35rem; margin:0 0 .25rem; color:var(--heading);}
.install-hero-body p{margin:0; color:var(--muted); font-size:.92rem;}
.install-steps{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:.7rem;}
.install-steps li{display:flex; align-items:flex-start; gap:.7rem; font-size:.92rem; color:var(--text);}
.install-steps code{font-family:var(--font-mono); font-size:.82rem; background:var(--surface2); border:1px solid var(--border); border-radius:6px; padding:.05rem .35rem;}
.step-chip{flex:none; width:24px; height:24px; display:grid; place-items:center; border-radius:99px; background:var(--accent); color:#fff; font-size:.78rem; font-weight:700; font-family:var(--font-mono);}
.section-alt .install-steps code{background:var(--surface);}