/* --sp-muted and --sp-amber-text carry small text and must clear 4.5:1 on paper.
   --sp-amber stays the lighter decorative tone for rules, borders and numerals. */
:root,html body{--sp-ink:#1a1f24;--sp-ink-2:#2c333a;--sp-muted:#4f5862;--sp-paper:#f7f5f2;--sp-card:#fff;--sp-line:#e2ddd4;--sp-amber:#c45c26;--sp-amber-text:#a8461a;--sp-amber-soft:#f3e4d8;--sp-cool:#eceae6}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;background:var(--sp-paper);color:var(--sp-ink);font:16px/1.68 "IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;overflow-x:clip}
img,svg,video,table,pre{max-width:100%}
a{color:var(--sp-ink);text-decoration-color:rgba(196,92,38,.5);text-underline-offset:3px}
a:hover{color:var(--sp-amber-text)}
.sp-skip{position:absolute;left:-9999px;top:8px;background:#fff;padding:.6rem 1rem;z-index:100}
.sp-skip:focus{left:8px}
.sp-header{background:#fff;border-bottom:1px solid var(--sp-line)}
.sp-top{max-width:1180px;margin:auto;padding:14px 22px 10px;display:flex;align-items:center;gap:13px}
.sp-brand{font-size:1.55rem;font-weight:800;letter-spacing:-.04em;text-decoration:none;border-bottom:3px solid var(--sp-amber);line-height:1.1}
.sp-tag{color:var(--sp-muted);font-size:.88rem}
.sp-head-author{margin-left:auto;display:flex;align-items:center;gap:7px;text-decoration:none;font-size:.84rem;font-weight:700}
.sp-head-author picture{display:flex}.sp-head-author img{width:28px;height:28px;object-fit:cover;border-radius:50%}
.sp-nav{border-top:1px solid #f0ede8}
.sp-nav-row{max-width:1180px;margin:auto;padding:0 22px;display:flex;align-items:center;gap:5px;min-width:0}
.sp-nav-link{display:block;padding:9px 11px;color:var(--sp-ink-2);font-size:.9rem;font-weight:650;text-decoration:none;background:transparent;border:0;cursor:pointer}
.sp-nav-link:hover,.sp-nav-link:focus-visible{color:var(--sp-amber-text);text-decoration:underline}
.sp-nav-item{position:relative}.sp-nav-item summary{list-style:none}.sp-nav-item summary::-webkit-details-marker{display:none}
.sp-dd{position:absolute;z-index:30;top:100%;left:0;width:260px;margin:0;padding:8px;list-style:none;background:#fff;border:1px solid var(--sp-line);border-radius:8px;box-shadow:0 16px 40px rgba(26,31,36,.12)}
.sp-dd a{display:block;padding:8px 10px;text-decoration:none;border-radius:5px}.sp-dd a:hover{background:var(--sp-amber-soft)}
.sp-dd-hub{border-bottom:1px solid var(--sp-line);margin-bottom:4px;font-weight:700}
.sp-crumbs{max-width:1080px;margin:16px auto 0;padding:0 22px;color:var(--sp-muted);font-size:.82rem;display:flex;gap:8px;flex-wrap:wrap}
.sp-main{max-width:1080px;margin:0 auto;padding:34px 22px 70px;min-width:0}
h1,h2,h3{line-height:1.15;letter-spacing:-.035em;margin:0 0 .65em}h1{font-size:clamp(2.2rem,5vw,4.7rem)}h2{font-size:clamp(1.55rem,3vw,2.2rem)}h3{font-size:1.18rem}
p{margin:.3em 0 1.15em}.sp-kicker{color:var(--sp-amber-text);font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}
.sp-lead,.sp-oneliner{font-family:"Source Serif 4","Source Serif Pro",Georgia,serif;font-size:clamp(1.18rem,2.2vw,1.55rem);line-height:1.5;color:var(--sp-ink-2)}
.sp-home-hero{margin:-34px calc(50% - 50vw) 42px;padding:58px max(22px,calc((100vw - 1080px)/2));background:linear-gradient(115deg,#fff 0,var(--sp-paper) 72%)}
.sp-home-hero>p:not(.sp-kicker){max-width:720px;font-size:1.15rem;color:var(--sp-muted)}
.sp-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.sp-path{padding:18px;border:1px solid var(--sp-line);border-radius:10px;background:#fff;text-decoration:none;transition:background-color 120ms ease,transform 120ms ease;display:flex;flex-direction:column}
.sp-path:hover{background:var(--sp-amber-soft);transform:translateY(-2px);color:var(--sp-ink)}
.sp-path span{font-size:.78rem;color:var(--sp-muted)}.sp-path strong{font-size:1.15rem;margin:3px 0}.sp-path em{font-style:normal;color:var(--sp-amber-text);font-size:.82rem}
.sp-pinned{margin:0 0 42px}.sp-pinned ol{list-style:none;counter-reset:pinned;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
.sp-pinned li{counter-increment:pinned;border-top:1px solid var(--sp-line)}
.sp-pinned a{display:grid;grid-template-columns:44px 1fr;gap:10px;padding:14px 0;text-decoration:none;align-items:center}
.sp-pinned a:before{content:counter(pinned,decimal-leading-zero);font-size:1.35rem;font-weight:800;color:var(--sp-amber);animation:sp-fade .35s ease both}
.sp-pinned strong{display:block}.sp-pinned span{display:block;color:var(--sp-muted);font-size:.78rem}
.sp-section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px}.sp-section-head p{color:var(--sp-muted)}
.sp-shelves{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.sp-shelf{padding:20px 0;border-top:3px solid var(--sp-ink)}.sp-shelf p{color:var(--sp-muted);font-size:.91rem}.sp-shelf ul{margin:0;padding-left:1.1rem}.sp-shelf li{margin:.38rem 0}
.sp-home-author,.sp-author{margin-top:44px;padding:22px;background:var(--sp-cool);display:flex;gap:18px;align-items:center;border-radius:8px}
.sp-home-author img,.sp-author img,.sp-about-hero img{border-radius:50%;object-fit:cover}.sp-home-author h2{margin-bottom:.25em}
.sp-author{max-width:650px}.sp-author picture{display:flex}.sp-author span{display:block;color:var(--sp-muted);font-size:.86rem}
.sp-topic>h1,.sp-hub>h1,.sp-about>h1{max-width:880px}.sp-kicker a{color:inherit}
.sp-meta-bar{display:flex;flex-wrap:wrap;gap:7px;color:var(--sp-muted);font-size:.84rem}.sp-dot{color:#aaa}
.sp-feat{margin:24px 0}.sp-feat img{width:100%;height:auto;aspect-ratio:2.9/1;object-fit:cover;border-radius:9px}
.sp-topic-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:46px;align-items:start}.sp-topic-grid>div{min-width:0}
.sp-sec{margin:34px 0}.sp-sec h2{padding-left:13px;border-left:4px solid var(--sp-amber)}
.sp-sec--takes{padding:22px;background:#fff;border:1px solid var(--sp-line);border-radius:8px}.sp-takes{margin-bottom:0}
.sp-prose p,.sp-prose li{max-width:74ch}.sp-prose blockquote{font-family:"Source Serif 4","Source Serif Pro",Georgia,serif;border-left:4px solid var(--sp-amber);margin:24px 0;padding:8px 0 8px 20px;font-size:1.18rem}
.sp-prose code{background:var(--sp-cool);padding:.12em .3em;border-radius:4px}
.sp-code{overflow:auto;background:var(--sp-ink);color:#f8f8f6;padding:18px;border-radius:8px}
.sp-table-wrap{width:100%;overflow-x:auto;margin:20px 0}.sp-compare{width:100%;min-width:560px;border-collapse:collapse;background:#fff}.sp-compare th,.sp-compare td{padding:10px 12px;border:1px solid var(--sp-line);text-align:left}.sp-compare thead{background:var(--sp-ink);color:#fff}
.sp-check{list-style:none;padding-left:0}.sp-check input{accent-color:var(--sp-amber)}
.sp-sidebar-widget,.sp-infobox{display:block;margin:0 0 18px;padding:16px;background:#fff;border:1px solid var(--sp-line);border-radius:7px;font-size:.86rem}
.sp-infobox>div{padding:8px 0;border-bottom:1px solid var(--sp-line)}.sp-infobox>div:last-child{border:0}.sp-infobox dt{font-weight:750}.sp-infobox dd{margin:2px 0 0;color:var(--sp-muted)}
.sp-infobox-h,.sp-toc-h{font-weight:800;color:var(--sp-amber-text);text-transform:uppercase;letter-spacing:.07em;font-size:.72rem}
.sp-toc ol{padding-left:1.2rem;margin-bottom:0}.sp-toc a{text-decoration:none}
.sp-chips{display:flex;flex-wrap:wrap;gap:8px}.sp-chip{padding:7px 10px;background:#fff;border:1px solid var(--sp-line);border-radius:999px;text-decoration:none}
.sp-next-cards{display:grid;gap:10px}.sp-next-card{display:flex;flex-direction:column;padding:16px;background:#fff;border:1px solid var(--sp-line);border-radius:8px;text-decoration:none}.sp-next-card span{color:var(--sp-muted);font-size:.86rem}
.sp-reviewed{border-top:1px solid var(--sp-line);padding-top:18px;color:var(--sp-muted);font-size:.88rem}
.sp-hub .sp-start,.sp-hub .sp-index{columns:2;column-gap:40px}.sp-hub li{break-inside:avoid;margin:.5rem 0}
.sp-about{max-width:780px}.sp-about-hero{display:flex;align-items:center;gap:24px;margin:24px 0 34px;padding:24px;background:#fff;border:1px solid var(--sp-line);border-radius:10px}
.sp-footer{background:var(--sp-cool);border-top:1px solid #ddd8cf}.sp-footer-inner{max-width:1080px;margin:auto;padding:32px 22px;color:var(--sp-muted)}.sp-footer nav{display:flex;flex-wrap:wrap;gap:9px}.sp-footer a{color:var(--sp-ink)}
.sp-404{text-align:center;padding:80px 0}
.sp-deadend{max-width:780px;padding:12px 0 40px}.sp-deadend h2{font-size:1.25rem;margin:32px 0 .5em}
.sp-deadend-desks,.sp-deadend-picks{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.sp-deadend-desks{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}
.sp-deadend-desks a,.sp-deadend-picks a{display:block;padding:11px 13px;background:#fff;border:1px solid var(--sp-line);border-radius:7px;text-decoration:none;min-height:44px}
.sp-deadend-desks a:hover,.sp-deadend-picks a:hover{background:var(--sp-amber-soft)}
@keyframes sp-fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media(max-width:900px){
  .sp-nav-row{display:grid;grid-template-columns:repeat(3,1fr);padding:7px 14px}.sp-nav-link{text-align:center;padding:7px 4px;font-size:.82rem}
  .sp-topic-grid{grid-template-columns:1fr}.sp-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .sp-shelves{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .sp-top{padding-inline:16px}.sp-tag{font-size:.76rem}.sp-head-author span{display:none}
  .sp-main{padding:24px 16px 50px}.sp-home-hero{margin-top:-24px;padding-top:38px;padding-bottom:38px}
  .sp-paths,.sp-pinned ol,.sp-shelves{grid-template-columns:1fr}.sp-pinned a{grid-template-columns:38px 1fr}
  .sp-sidebar{grid-template-columns:1fr}.sp-hub .sp-start,.sp-hub .sp-index{columns:1}
  .sp-about-hero,.sp-home-author{align-items:flex-start}.sp-about-hero img{width:96px;height:96px}
}

/* ============================================================
   WAVE 2 — search, mega-menu, desk clusters, related cards,
   reading typography, sticky sidebar, mobile.
   Appended as a layer so the wave-1 base stays diffable.
   ============================================================ */

/* --- Reading typography ------------------------------------ */
/* h1 was clamping up to 4.7rem, which turned a note title into a poster and
   pushed the first sentence below the fold on a laptop. */
h1{font-size:clamp(2rem,3.2vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.1vw,1.8rem)}
h3{font-size:clamp(1.08rem,1.4vw,1.22rem)}
.sp-topic-main{font-size:1.0625rem;line-height:1.72}
.sp-prose p,.sp-prose li{max-width:70ch}
.sp-prose li{margin:.32em 0}
.sp-prose h3{margin-top:1.7em}
.sp-sec{margin:40px 0;scroll-margin-top:96px}
.sp-oneliner{max-width:62ch}

/* Numbered section rules: a reference page benefits from a visible spine. */
.sp-topic-main{counter-reset:spsec}
.sp-topic-main .sp-sec>h2{position:relative;counter-increment:spsec;padding-left:15px;border-left:4px solid var(--sp-amber)}
.sp-topic-main .sp-sec>h2::after{content:counter(spsec,decimal-leading-zero);position:absolute;right:100%;margin-right:18px;top:.15em;font-size:.7em;font-weight:800;color:var(--sp-amber);opacity:.55;font-variant-numeric:tabular-nums}
@media(max-width:1240px){.sp-topic-main .sp-sec>h2::after{display:none}}

/* --- Focus + tap targets ----------------------------------- */
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,details>summary:focus-visible{
  outline:3px solid var(--sp-amber);outline-offset:2px;border-radius:3px}
.sp-skip:focus{position:fixed;left:12px;top:12px;z-index:100;background:#fff;padding:10px 14px;border:2px solid var(--sp-ink)}

/* --- Header + search --------------------------------------- */
.sp-top{gap:12px;flex-wrap:wrap}
.sp-search{position:relative;margin-left:auto;display:flex;gap:6px;min-width:0}
.sp-search input[type=search]{width:230px;max-width:100%;padding:8px 12px;font:inherit;font-size:.9rem;background:#fff;border:1px solid var(--sp-line);border-radius:7px;color:var(--sp-ink)}
.sp-search input[type=search]::placeholder{color:var(--sp-muted)}
.sp-search button{padding:8px 13px;font:inherit;font-size:.85rem;font-weight:700;background:var(--sp-ink);color:#fff;border:1px solid var(--sp-ink);border-radius:7px;cursor:pointer}
.sp-search button:hover{background:var(--sp-amber-text);border-color:var(--sp-amber-text)}
.sp-search--hero{margin:22px 0 0;max-width:620px}
.sp-search--hero input[type=search]{flex:1;width:auto;padding:14px 16px;font-size:1rem}
.sp-search--hero button{padding:14px 22px;font-size:.95rem}
.sp-search--page{margin:0 0 26px;max-width:620px}
.sp-search--page input[type=search]{flex:1;width:auto;padding:12px 15px;font-size:1rem}
.sp-search-panel{position:absolute;z-index:40;top:calc(100% + 6px);left:0;right:0;max-height:min(66vh,460px);overflow:auto;background:#fff;border:1px solid var(--sp-line);border-radius:9px;box-shadow:0 18px 44px rgba(26,31,36,.16)}
.sp-search-list{margin:0;padding:6px;list-style:none}
.sp-search-list a{display:flex;flex-direction:column;gap:1px;padding:9px 11px;border-radius:6px;text-decoration:none;min-height:44px;justify-content:center}
.sp-search-list a:hover,.sp-search-list a.is-active{background:var(--sp-amber-soft)}
.sp-search-hub{font-size:.76rem;color:var(--sp-muted)}
.sp-search-all{display:block;padding:11px;border-top:1px solid var(--sp-line);font-size:.85rem;font-weight:700;text-align:center;text-decoration:none}
.sp-search-empty{margin:0;padding:14px;color:var(--sp-muted);font-size:.9rem}
.sp-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* --- Mega menu --------------------------------------------- */
.sp-nav-item{position:relative}
.sp-nav-item>summary{list-style:none}
.sp-nav-item>summary::-webkit-details-marker{display:none}
.sp-mega{position:absolute;z-index:35;top:100%;left:0;width:min(920px,92vw);padding:18px;background:#fff;border:1px solid var(--sp-line);border-radius:10px;box-shadow:0 20px 52px rgba(26,31,36,.15)}
.sp-mega-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:6px}
.sp-mega-item{display:block;padding:10px 12px;border-radius:7px;text-decoration:none}
.sp-mega-item:hover{background:var(--sp-amber-soft)}
.sp-mega-item strong{display:block;font-size:.94rem}
.sp-mega-item span{display:block;font-size:.74rem;color:var(--sp-amber-text);font-weight:700}
.sp-mega-item em{display:block;font-style:normal;font-size:.78rem;color:var(--sp-muted);line-height:1.4;margin-top:2px}
.sp-mega-foot{margin:14px 0 0;padding-top:12px;border-top:1px solid var(--sp-line);font-size:.84rem;color:var(--sp-muted)}

/* --- Desk (hub) pages -------------------------------------- */
.sp-hub{max-width:none}
.sp-hub-intro{max-width:70ch;margin:20px 0 8px}
.sp-startwith{margin:26px 0;padding:20px 22px;background:#fff;border:1px solid var(--sp-line);border-left:4px solid var(--sp-amber);border-radius:8px}
.sp-startwith h2{font-size:1.15rem;margin-bottom:.55em;padding:0;border:0}
.sp-start{margin:0;padding-left:1.1rem}
.sp-start li{margin:.45rem 0}
.sp-jump{display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin:26px 0 8px;padding:14px 16px;background:var(--sp-cool);border-radius:8px;font-size:.85rem}
.sp-jump span{font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;color:var(--sp-muted)}
.sp-jump a{padding:6px 10px;background:#fff;border:1px solid var(--sp-line);border-radius:999px;text-decoration:none}
.sp-jump a:hover{background:var(--sp-amber-soft)}
.sp-cluster{margin:38px 0;scroll-margin-top:96px}
.sp-cluster h2{display:flex;align-items:baseline;gap:10px;font-size:1.3rem;padding-left:13px;border-left:4px solid var(--sp-amber)}
.sp-cluster-n{font-size:.78rem;font-weight:700;color:var(--sp-muted)}
.sp-cluster-blurb{max-width:70ch;color:var(--sp-muted);margin-top:-.4em}
.sp-index{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2px}
.sp-index li{margin:0}
.sp-index a{display:block;padding:9px 12px;border-radius:6px;text-decoration:none;border-bottom:1px solid var(--sp-line);min-height:44px;display:flex;align-items:center}
.sp-index a:hover{background:var(--sp-amber-soft)}
.sp-az{margin:44px 0 0;padding:16px 18px;background:var(--sp-cool);border-radius:8px}
.sp-az summary{cursor:pointer;font-weight:750}
.sp-az .sp-index{margin-top:14px}
.sp-index--az a{font-size:.9rem}

/* --- Related cards + prev/next ------------------------------ */
.sp-related h3{margin:22px 0 .6em;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--sp-muted)}
.sp-relcards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.sp-relcards a{display:flex;flex-direction:column;gap:3px;height:100%;padding:14px 16px;background:#fff;border:1px solid var(--sp-line);border-radius:8px;text-decoration:none;transition:border-color 120ms ease,transform 120ms ease}
.sp-relcards a:hover{border-color:var(--sp-amber);transform:translateY(-2px)}
.sp-relcards strong{font-size:.96rem;line-height:1.35}
.sp-relcards span{font-size:.74rem;color:var(--sp-amber-text);font-weight:700}
.sp-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:34px 0}
.sp-pn{display:flex;flex-direction:column;gap:3px;padding:16px;background:var(--sp-cool);border-radius:8px;text-decoration:none}
.sp-pn:hover{background:var(--sp-amber-soft)}
.sp-pn span{font-size:.76rem;color:var(--sp-muted);font-weight:700}
.sp-pn--next{text-align:right}
.sp-pn--empty{background:none}

/* --- Sidebar ------------------------------------------------ */
.sp-sidebar{position:sticky;top:18px;max-height:calc(100vh - 36px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
.sp-widget{margin:0 0 18px;padding:16px;background:#fff;border:1px solid var(--sp-line);border-radius:7px;font-size:.86rem}
.sp-widget h2{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--sp-amber-text);padding:0;border:0;margin-bottom:.8em}
.sp-widget p{margin:.2em 0 .7em}
.sp-widget ul{margin:0;padding-left:1.05rem}
.sp-widget li{margin:.4em 0;line-height:1.5}
.sp-widget-links{display:flex;flex-direction:column;gap:5px;font-size:.82rem}
.sp-widget-cta{margin-top:10px;padding-top:10px;border-top:1px solid var(--sp-line);color:var(--sp-muted);font-size:.82rem}
.sp-widget--trust{background:var(--sp-cool);border-color:#ddd8cf}
.sp-toc a.is-current{color:var(--sp-amber-text);font-weight:750}

/* --- Home --------------------------------------------------- */
.sp-home-stats{margin-top:16px;font-size:.9rem;color:var(--sp-muted)}
.sp-home-cols{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:start;margin:44px 0}
.sp-recent ul{list-style:none;margin:0;padding:0}
.sp-recent li{border-top:1px solid var(--sp-line)}
.sp-recent a{display:block;padding:11px 0;text-decoration:none}
.sp-recent strong{display:block;font-size:.98rem;line-height:1.35}
.sp-recent span{display:block;font-size:.76rem;color:var(--sp-muted);margin-top:2px}
.sp-recent-foot{margin-top:14px;font-size:.85rem}

/* --- Search page + sources ---------------------------------- */
.sp-searchpage{max-width:820px}
.sp-search-count{color:var(--sp-muted);font-size:.9rem}
.sp-search-group{margin:30px 0}
.sp-search-group h2{font-size:1.05rem;padding-left:11px;border-left:4px solid var(--sp-amber)}
.sp-search-group ul{list-style:none;margin:0;padding:0}
.sp-search-group li{border-top:1px solid var(--sp-line)}
.sp-search-group a{display:block;padding:12px 0;text-decoration:none}
.sp-search-group span{display:block;font-size:.85rem;color:var(--sp-muted);margin-top:2px}
.sp-searchdesks ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:6px}
.sp-searchdesks a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none}
.sp-searchdesks span{color:var(--sp-muted);font-size:.78rem;margin-left:6px}
.sp-src-note{color:var(--sp-muted);font-size:.85rem;margin-top:-.3em}

/* --- Mobile ------------------------------------------------- */
@media(max-width:900px){
  .sp-search{order:3;width:100%;margin-left:0}
  .sp-search input[type=search]{flex:1;width:auto}
  .sp-nav-row{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;gap:2px}
  .sp-nav-row::-webkit-scrollbar{display:none}
  .sp-nav-link{white-space:nowrap;text-align:left;padding:11px 12px;font-size:.86rem;min-height:44px;display:flex;align-items:center}
  .sp-mega{position:fixed;left:10px;right:10px;width:auto;max-height:70vh;overflow:auto}
  .sp-mega-grid{grid-template-columns:1fr 1fr}
  .sp-sidebar{position:static;max-height:none;overflow:visible}
  .sp-home-cols{grid-template-columns:1fr;gap:28px}
  .sp-topic-main .sp-sec>h2::after{display:none}
}
@media(max-width:640px){
  .sp-index{grid-template-columns:1fr}
  .sp-relcards{grid-template-columns:1fr}
  .sp-prevnext{grid-template-columns:1fr}
  .sp-pn--next{text-align:left}
  .sp-mega-grid{grid-template-columns:1fr}
  .sp-mega-item em{display:none}
  .sp-search--hero{flex-direction:column}
  .sp-search--hero button{width:100%}
  .sp-jump{padding:12px}
  .sp-topic-main{font-size:1.0625rem}
  .sp-brand{font-size:1.35rem}
}