:root{
  --bg:#FFFBF3;
  --bg-2:#F5EDDC;
  --bg-3:#EFE5D2;
  --ink:#151210;
  --ink-2:#584F45;
  --ink-3:#8A7F71;
  --accent:#82602A;
  --accent-2:#A98243;
  --accent-soft:#F3E7CE;
  --line:rgba(21,18,16,.13);
  --line-2:rgba(21,18,16,.07);
  --dark:rgba(12,17,25,.88);
  --dark-solid:#0C1119;
  --r-lg:14px;
  --r-md:9px;
  --wrap:1180px;
  --font-head:'Fraunces',Georgia,'Times New Roman',serif;
  --font-body:'Manrope','Helvetica Neue',Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.62;
  padding-top:64px;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:500;line-height:1.16;letter-spacing:-.01em;margin:0}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin-bottom:.4em}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--accent);color:#FFF9EC;padding:10px 16px;border-radius:6px}
.skip-link:focus{top:10px}
.hp-honeypot{position:absolute;left:-9000px;top:auto;width:1px;height:1px;overflow:hidden}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:var(--dark);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 6px 24px rgba(6,9,14,.28);
}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .site-header{background:#0C1119}
}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:inline-flex;align-items:baseline;gap:7px;color:#F8F3E8;font-family:var(--font-head);font-size:21px;line-height:1;letter-spacing:.01em}
.brand:hover{text-decoration:none;color:#fff}
.brand .brand-mark{color:var(--accent-2)}
.brand small{font-family:var(--font-body);font-size:9px;letter-spacing:.24em;text-transform:uppercase;color:#C9A86B;padding-bottom:2px}
.primary-nav{display:none;align-items:center;gap:2px;margin-left:auto}
.primary-nav a,.nav-btn{
  display:inline-flex;align-items:center;gap:6px;
  color:#EFE9DD;font-size:13.5px;font-weight:500;
  padding:9px 12px;border-radius:8px;border:0;background:transparent;cursor:pointer;white-space:nowrap;
}
.primary-nav a:hover,.nav-btn:hover{background:rgba(255,255,255,.11);color:#fff;text-decoration:none}
.nav-btn .ri{font-size:15px;transition:transform .2s ease}
.nav-btn[aria-expanded="true"] .ri{transform:rotate(180deg)}
.header-cta{
  margin-left:auto;background:var(--accent);color:#FFF9EC;
  padding:10px 18px;border-radius:7px;font-size:13.5px;font-weight:600;white-space:nowrap;letter-spacing:.01em;
}
.header-cta:hover{background:#6D4F21;color:#fff;text-decoration:none}
@media (min-width:900px){
  .primary-nav{display:flex}
  .header-cta{margin-left:0}
  body{padding-bottom:64px}
}
@media (max-width:899px){
  .header-inner{gap:10px}
  .brand{font-size:19px}
  .brand small{display:none}
  .header-cta{padding:9px 14px;font-size:13px}
}

/* ---------- bottom tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:110;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#0C1119;border-top:1px solid rgba(255,255,255,.14);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a,.tabbar button{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:52px;padding:7px 4px;background:none;border:0;cursor:pointer;
  color:#DCD5C7;font-size:11px;letter-spacing:.02em;white-space:nowrap;
}
.tabbar a .ri,.tabbar button .ri{font-size:19px;line-height:1}
.tabbar a:hover,.tabbar button:hover{color:#fff;text-decoration:none;background:rgba(255,255,255,.06)}
.tabbar a.is-current,.tabbar button[aria-expanded="true"]{color:#E0BC7C}
@media (min-width:900px){
  .tabbar{display:none}
  body{padding-bottom:0}
}

/* ---------- sheet / dropdown panel ---------- */
.sheet-backdrop{
  position:fixed;inset:0;z-index:130;
  background:rgba(7,10,15,.58);
  opacity:0;transition:opacity .25s ease;
}
.sheet-backdrop.is-open{opacity:1}
.nav-sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:140;
  height:min(85dvh,760px);max-height:85dvh;
  display:flex;flex-direction:column;
  background:#FFFBF3;
  border-radius:18px 18px 0 0;
  border:1px solid var(--line);
  box-shadow:0 -18px 60px rgba(8,11,16,.35);
  transform:translateY(102%);
  transition:transform .32s cubic-bezier(.22,.7,.3,1);
  visibility:hidden;
}
.nav-sheet.is-open{transform:translateY(0);visibility:visible}
.sheet-grip{display:flex;justify-content:center;padding:9px 0 3px;flex:0 0 auto}
.sheet-grip span{width:44px;height:4px;border-radius:99px;background:rgba(21,18,16,.22)}
.sheet-head{
  display:flex;align-items:center;gap:12px;
  padding:6px 20px 12px;border-bottom:1px solid var(--line-2);flex:0 0 auto;
}
.sheet-head h2{font-size:18px;flex:1}
.sheet-close{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;
}
.sheet-close:hover{background:var(--bg-2)}
.sheet-body{overflow-y:auto;overscroll-behavior:contain;padding:16px 20px calc(24px + env(safe-area-inset-bottom))}
.sheet-block + .sheet-block{margin-top:22px}
.sheet-block h3{font-family:var(--font-body);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.cat-list{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13.5px;color:var(--ink);padding:10px 12px;border:1px solid var(--line-2);
  border-radius:8px;background:#fff;
}
.cat-list a:hover{border-color:var(--accent);color:var(--accent);text-decoration:none;background:var(--bg)}
.cat-list a .ri{color:var(--ink-3);font-size:14px}
.art-list{display:grid;gap:2px}
.art-list a{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--ink);padding:9px 6px;border-radius:7px;line-height:1.35;
}
.art-list a span{color:var(--ink-3);font-variant-numeric:tabular-nums;font-size:12px;padding-top:2px}
.art-list a:hover{background:var(--bg-2);color:var(--accent);text-decoration:none}
body.sheet-open{overflow:hidden}
@media (min-width:900px){
  .nav-sheet{
    top:70px;bottom:auto;left:50%;right:auto;
    height:auto;max-height:72vh;width:min(940px,calc(100vw - 48px));
    border-radius:14px;transform:translateX(-50%) translateY(-10px) scale(.99);
    opacity:0;
  }
  .nav-sheet.is-open{transform:translateX(-50%) translateY(0) scale(1);opacity:1}
  .sheet-grip{display:none}
  .sheet-head{padding:14px 22px}
  .sheet-body{padding:18px 22px 26px;display:grid;grid-template-columns:1.05fr 1.4fr;gap:26px;align-items:start}
  .sheet-block + .sheet-block{margin-top:0}
  .art-list{grid-template-columns:1fr 1fr;gap:0 14px}
  .cat-list a{padding:9px 11px;font-size:13px}
}

/* ---------- hero ---------- */
.hero{position:relative;background:#0C1119;overflow:hidden;isolation:isolate}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:70% 50%}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,12,18,.94) 0%,rgba(9,12,18,.82) 42%,rgba(9,12,18,.42) 74%,rgba(9,12,18,.6) 100%);
}
.hero-inner{position:relative;z-index:2;padding:34px 0 34px;color:#FFF9EC;max-width:700px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:#DCC08A;
  border:1px solid rgba(220,192,138,.4);border-radius:99px;padding:5px 12px;margin-bottom:14px;
}
.hero h1{
  font-size:clamp(27px,3.5vw,42px);line-height:1.1;color:#FFFBF3;margin-bottom:12px;
  max-width:15em;
}
.hero h1 em{font-style:italic;color:#E3C48F}
.hero-lede{font-size:14.5px;line-height:1.6;color:#E7E0D3;max-width:34em;margin-bottom:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;padding:12px 22px;border-radius:7px;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--accent);color:#FFF9EC}
.btn-primary:hover{background:#6D4F21;color:#fff;text-decoration:none}
.btn-ghost{background:rgba(255,251,243,.08);color:#FFF9EC;border-color:rgba(255,251,243,.5);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,251,243,.18);color:#fff;text-decoration:none}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{background:var(--bg-2);text-decoration:none}
.hero-note{font-size:12px;color:#B9B3A6;max-width:34em;margin:0}
.hero-note a{color:#DCC08A;text-decoration:underline;text-underline-offset:2px}
@media (max-width:640px){
  .hero-inner{padding:26px 0 26px}
  .hero h1{font-size:25px}
  .hero-lede{font-size:13.5px}
  .hero-media img{object-position:62% 50%}
  .btn{padding:11px 18px;font-size:13.5px;flex:1 1 auto}
}

/* ---------- sections ---------- */
.section{padding:34px 0}
.section.tight{padding:26px 0}
.section-head{margin-bottom:18px;display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:10px}
.section-head h2{font-size:clamp(21px,2.4vw,28px)}
.eyebrow{font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);margin:0 0 6px;font-weight:600}
.section-sub{color:var(--ink-2);font-size:13.5px;margin:0;max-width:56em}
[id]{scroll-margin-top:80px}

/* categories */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.cat-card{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:11px 12px;color:var(--ink);font-size:13px;font-weight:600;
  transition:border-color .18s ease,transform .18s ease,background .18s ease;
}
.cat-card:hover{text-decoration:none;border-color:var(--accent);background:#FFFDF8;transform:translateY(-1px);color:var(--accent)}
.cat-card .ico{
  width:30px;height:30px;flex:0 0 30px;border-radius:8px;background:var(--accent-soft);
  color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:15px;
}
.cat-card small{display:block;font-weight:400;font-size:11px;color:var(--ink-3);letter-spacing:.01em}
@media (min-width:640px){.cat-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:900px){.cat-grid{grid-template-columns:repeat(4,1fr);gap:10px}.cat-card{padding:13px}}

/* steps */
.steps{display:grid;grid-template-columns:1fr;gap:10px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 16px 14px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-family:var(--font-head);font-size:12px;letter-spacing:.14em;
  color:var(--accent);margin-bottom:6px;
}
.step h3{font-size:15px;margin-bottom:5px}
.step p{font-size:13px;color:var(--ink-2);margin:0}
@media (min-width:760px){.steps{grid-template-columns:repeat(4,1fr)}}

/* ---------- articles grid ---------- */
.filters{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:12.5px;padding:7px 13px;border-radius:99px;cursor:pointer;white-space:nowrap;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#FFF9EC}
.post-grid{display:grid;grid-template-columns:1fr;gap:12px}
.post{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.post:hover{transform:translateY(-2px);border-color:var(--accent-2)}
.post:focus-within{border-color:var(--accent);outline:2px solid var(--accent-soft);outline-offset:2px}
/* the whole card is clickable through the real "Leggi la guida" anchor */
.post a.read::after{content:"";position:absolute;inset:0;z-index:2}
.post h3{pointer-events:none}
.post-img{position:relative;aspect-ratio:16/9;background:#F3EDE3;overflow:hidden}
.post-img img{width:100%;height:100%;object-fit:cover;object-position:center;filter:brightness(1.22) contrast(0.98) saturate(1.02);transition:transform .5s ease,filter .5s ease}
.post:hover .post-img img{filter:brightness(1.3) contrast(1.02) saturate(1.05)}
.post:hover .post-img img{transform:scale(1.04)}
.post-body{padding:13px 14px 15px;display:flex;flex-direction:column;flex:1}
.post-tag{
  display:inline-block;font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);border-radius:4px;padding:3px 7px;
  margin-bottom:8px;align-self:flex-start;
}
.post h3{font-size:15.5px;margin-bottom:6px;line-height:1.28}
.post p{font-size:12.8px;color:var(--ink-2);margin:0 0 10px}
.post a.read{
  margin-top:auto;font-size:12.5px;font-weight:600;color:var(--accent);
  display:inline-flex;align-items:center;gap:5px;white-space:nowrap;
}
.post a.read:hover{gap:8px}
@media (min-width:700px){.post-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
@media (min-width:1000px){.post-grid{grid-template-columns:repeat(3,1fr)}}

/* ---------- tool ---------- */
.tool{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;position:relative;
}
.tool-top{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:12px}
.tool-top h2{font-size:20px}
.tool-hint{font-size:12px;color:var(--ink-2);margin:0}
.badge-demo{display:inline-block;font-size:10px;letter-spacing:.14em;text-transform:uppercase;background:var(--bg-2);color:var(--accent);border:1px solid var(--line);border-radius:4px;padding:3px 7px}
.table-scroll{overflow-x:auto;border:1px solid var(--line-2);border-radius:var(--r-md);-webkit-overflow-scrolling:touch}
table.tool-table{width:100%;border-collapse:collapse;min-width:820px;font-size:13px;background:#fff}
table.tool-table th{
  text-align:left;font-family:var(--font-body);font-weight:600;font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3);background:var(--bg);padding:8px 8px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
table.tool-table td{padding:6px 6px;border-bottom:1px solid var(--line-2);vertical-align:middle}
table.tool-table tr:last-child td{border-bottom:0}
table.tool-table input[type="text"],table.tool-table input[type="number"],table.tool-table select,table.tool-table textarea{
  width:100%;min-width:0;border:1px solid var(--line);border-radius:6px;padding:7px 8px;
  font-family:var(--font-body);font-size:13px;background:#fff;color:var(--ink);
}
table.tool-table input:focus,table.tool-table select:focus,table.tool-table textarea:focus{border-color:var(--accent-2);outline:none;box-shadow:0 0 0 3px rgba(169,130,67,.18)}
table.tool-table .num{text-align:right}
.cell-check{display:flex;justify-content:center}
.cell-check input{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}
.row-del{
  width:30px;height:30px;border-radius:6px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;
}
.row-del:hover{background:#FBEDE8;border-color:#D8A48F;color:#A6502F}
.tool-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;align-items:center}
.btn-sm{padding:9px 14px;font-size:13px;border-radius:6px}
.tool-summary{display:flex;flex-wrap:wrap;gap:16px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line-2)}
.sum-item{font-size:12.5px;color:var(--ink-2)}
.sum-item b{display:block;font-family:var(--font-head);font-size:19px;color:var(--ink);font-weight:500;letter-spacing:0}
.tool-msg{margin-top:10px;font-size:12.5px;border-radius:7px;padding:9px 12px;display:none}
.tool-msg.show{display:block}
.tool-msg.err{background:#FBEDE8;color:#8E3F22;border:1px solid #E5C0AF}
.tool-msg.ok{background:#EDF3E7;color:#3E5A2A;border:1px solid #C7D8B6}
.tool-note{font-size:11.5px;color:var(--ink-3);margin:10px 0 0}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{
  cursor:pointer;list-style:none;padding:14px 34px 14px 0;position:relative;
  font-family:var(--font-head);font-size:15.5px;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-family:var(--font-body);font-size:19px;color:var(--accent);line-height:1;
}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 20px 16px 0;color:var(--ink-2);font-size:13.5px}
.faq .faq-a p:last-child{margin-bottom:0}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:30px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:22px}
.footer-brand p{font-size:12.5px;color:var(--ink-2);margin:8px 0 0;max-width:32em}
.footer-col h4{font-family:var(--font-body);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-bottom:9px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:5px}
.footer-col a{font-size:12.5px;color:var(--ink-2)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:24px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;font-size:11.5px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px}
@media (min-width:760px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}
  .footer-bottom{flex-direction:row;justify-content:space-between;align-items:center}
}

/* ---------- article ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:7px;
  font-size:11.5px;color:var(--ink-3);padding:16px 0 0;
}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb .sep{color:var(--ink-3)}
.article-head{max-width:820px;padding:14px 0 18px}
.article-head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.1;margin-bottom:12px}
.article-head .lede{font-size:15px;color:var(--ink-2);margin-bottom:10px;max-width:44em}
.article-meta{font-size:11.5px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3)}
.cover{margin:0 0 26px;border-radius:var(--r-lg);overflow:hidden;background:#0C1119;aspect-ratio:16/9;max-height:420px}
.cover img{width:100%;height:100%;object-fit:cover;object-position:center}
.cover figcaption{display:none}
.article-layout{display:grid;grid-template-columns:1fr;gap:26px;align-items:start}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px}
.toc h2{font-family:var(--font-body);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc;display:grid;gap:5px}
.toc li{counter-increment:toc;font-size:12.5px;margin:0}
.toc a{color:var(--ink-2);display:flex;gap:7px}
.toc a::before{content:counter(toc,decimal-leading-zero);color:var(--accent);font-variant-numeric:tabular-nums;font-size:11px;padding-top:2px}
.toc a:hover{color:var(--accent)}
.prose{max-width:760px;font-size:14.5px;line-height:1.72;color:var(--ink)}
.prose h2{font-size:clamp(19px,2.2vw,24px);margin:30px 0 10px;scroll-margin-top:84px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:16px;margin:22px 0 8px}
.prose p{margin:0 0 1em}
.prose ul,.prose ol{padding-left:1.1em}
.prose li{margin-bottom:.45em}
.prose strong{font-weight:700;color:var(--ink)}
.prose a{text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(130,96,42,.4)}
.prose a:hover{text-decoration-color:var(--accent)}
.prose .callout{
  background:var(--bg-2);border-left:3px solid var(--accent);
  padding:12px 15px;border-radius:0 var(--r-md) var(--r-md) 0;margin:16px 0;font-size:13.5px;
}
.prose .callout p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;font-size:12.8px;margin:14px 0 18px;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.prose th{background:var(--bg-2);text-align:left;font-weight:700;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);padding:8px 10px;border-bottom:1px solid var(--line)}
.prose td{padding:8px 10px;border-bottom:1px solid var(--line-2);vertical-align:top}
.prose tr:last-child td{border-bottom:0}
.prose .table-wrap{overflow-x:auto;margin:14px 0 18px;border-radius:8px;-webkit-overflow-scrolling:touch}
.prose .table-wrap table{margin:0;min-width:520px}
.checklist{list-style:none;padding:0;margin:12px 0 16px;display:grid;gap:5px}
.checklist li{display:flex;gap:9px;font-size:13.5px;align-items:flex-start;margin:0}
.checklist li .ri{color:var(--accent);font-size:15px;margin-top:3px;flex:0 0 auto}
.article-foot{margin:26px 0 0;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.back-home{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;white-space:nowrap}
.related{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}
.related h2{font-size:18px;margin-bottom:12px}
.related-grid{display:grid;grid-template-columns:1fr;gap:10px}
.related-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:13px 14px;color:var(--ink)}
.related-card:hover{border-color:var(--accent);text-decoration:none;background:#FFFDF8}
.related-card small{display:block;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:5px}
.related-card strong{display:block;font-family:var(--font-head);font-size:14.5px;font-weight:500;line-height:1.3}
@media (min-width:760px){.related-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:960px){
  .article-layout{grid-template-columns:236px 1fr;gap:38px}
  .toc{position:sticky;top:84px}
}
@media (max-width:640px){
  .cover{aspect-ratio:4/3;max-height:280px;border-radius:10px}
  .prose{font-size:14px}
  .article-foot .btn{width:100%}
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  .nav-sheet{transition:none}
}

/* ---------- article loading / fallback ---------- */
.article-loading{display:flex;align-items:center;gap:10px;padding:88px 0;margin:0;font-size:14px;color:var(--ink-2)}
.article-loading i{display:inline-flex;align-items:center;justify-content:center;font-size:18px;animation:hipo-spin 1s linear infinite}
@keyframes hipo-spin{to{transform:rotate(360deg)}}
.article-fallback{padding:76px 0;max-width:620px}
.article-fallback h1{font-size:28px;line-height:1.2;margin:0 0 14px}
.article-fallback p{font-size:14.5px;line-height:1.7;color:var(--ink-2);margin:0 0 10px}
.article-fallback-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}