/* =========================================================
   九博娱乐会馆 · 共享外壳样式 /assets/site.css
   01 Reset  02 Tokens  03 Base  04 Utilities  05 Header
   06 Footer 07 Buttons 08 Breadcrumbs 09 Content kits
   10 Feedback  11 Responsive & A11y
   ========================================================= */

/* ---------- 01 Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
table{border-collapse:collapse;width:100%;}

/* ---------- 02 Tokens ---------- */
:root{
  --c-sand:#F4EBDD;
  --c-earth:#E4CFAF;
  --c-gravel:#FBF6EC;
  --c-gold:#BE8A33;
  --c-gold-deep:#8A5E1A;
  --c-ochre:#A6472F;
  --c-qilian:#4F6066;
  --c-ink:#2B363B;
  --c-night:#171D20;
  --c-lamp:#E9B85F;
  --c-danxia:#B4663F;

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",STZhongsong,"SimSun",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",Consolas,"Courier New",monospace;

  --shell:1280px;
  --gutter:24px;
  --header-h:112px;
  --rail:88px;
  --radius:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --line:rgba(43,54,59,.16);
  --line-night:rgba(244,235,221,.16);
}

/* ---------- 03 Base ---------- */
body{
  min-height:100vh;
  background-color:var(--c-sand);
  background-image:
    radial-gradient(120% 70% at 8% -12%, rgba(233,184,95,.20), rgba(244,235,221,0) 58%),
    radial-gradient(90% 60% at 102% 0%, rgba(180,102,63,.12), rgba(244,235,221,0) 55%);
  background-repeat:no-repeat;
  color:var(--c-ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:rgba(190,138,51,.28);color:var(--c-night);}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.16;letter-spacing:-.01em;color:var(--c-ink);}
h1{font-size:clamp(40px,6vw,88px);}
h2{font-size:clamp(28px,3.2vw,44px);}
h3{font-size:22px;line-height:1.4;letter-spacing:0;}
h4{font-size:18px;line-height:1.5;}

.site-main{padding-top:var(--header-h);}
.site-main--overlay{padding-top:0;}
#main-content{scroll-margin-top:calc(var(--header-h) + 12px);}

/* ---------- 04 Utilities ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter);}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;}
.skip-link{
  position:fixed;top:8px;left:50%;z-index:400;
  transform:translate(-50%,-160%);
  padding:10px 18px;
  background:var(--c-night);color:var(--c-lamp);
  font-size:13px;letter-spacing:.1em;
  border-left:3px solid var(--c-gold);
  transition:transform .18s var(--ease);
}
.skip-link:focus-visible{transform:translate(-50%,0);outline:2px solid var(--c-lamp);outline-offset:2px;}

/* ---------- 05 Header ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:120;
  color:var(--c-sand);
  background-color:transparent;
  background-image:linear-gradient(180deg,
    rgba(23,29,32,.94) 0%,
    rgba(23,29,32,.74) 56%,
    rgba(23,29,32,.30) 84%,
    rgba(23,29,32,0) 100%);
  transition:background-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header[data-scrolled="true"]{
  color:var(--c-ink);
  background-color:var(--c-sand);
  background-image:linear-gradient(90deg, rgba(190,138,51,.12), rgba(244,235,221,0) 46%);
  box-shadow:0 1px 0 var(--line),0 14px 30px -24px rgba(23,29,32,.85);
}

.header-strip{
  max-height:40px;
  overflow:hidden;
  border-bottom:1px solid var(--line-night);
  font-size:12px;
  letter-spacing:.12em;
  transition:max-height .24s var(--ease),opacity .2s var(--ease),border-color .24s var(--ease);
}
.site-header[data-scrolled="true"] .header-strip{max-height:0;opacity:0;border-color:transparent;}
.header-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;}
.header-strip__contact{display:inline-flex;align-items:center;gap:8px;color:rgba(244,235,221,.72);font-size:12px;}
.header-strip__dot{color:rgba(233,184,95,.8);}
.header-strip__actions{display:flex;align-items:center;gap:20px;}
.header-strip__link{
  font-size:12px;letter-spacing:.12em;color:rgba(244,235,221,.72);
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.header-strip__link:hover{color:var(--c-lamp);border-color:rgba(233,184,95,.7);}

.header-bar{position:relative;z-index:2;}
.header-bar__inner{
  display:flex;align-items:center;gap:clamp(16px,2.2vw,40px);
  min-height:74px;padding-block:10px;
  transition:min-height .24s var(--ease),padding .24s var(--ease);
}
.site-header[data-scrolled="true"] .header-bar__inner{min-height:62px;padding-block:8px;}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand__mark{
  display:grid;place-items:center;
  width:42px;height:42px;flex:0 0 42px;
  font-family:var(--font-display);font-weight:900;font-size:22px;
  color:var(--c-night);
  background-image:linear-gradient(150deg,var(--c-lamp),var(--c-gold) 58%,var(--c-danxia));
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.2;}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:19px;letter-spacing:.02em;}
.brand__tagline{font-size:11px;letter-spacing:.14em;color:rgba(244,235,221,.60);}
.site-header[data-scrolled="true"] .brand__tagline{color:var(--c-gold-deep);}

.site-nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:clamp(8px,1.4vw,26px);}
.nav-item{flex:0 0 auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:flex-start;gap:4px;
  padding:8px 2px;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  color:rgba(244,235,221,.82);
  transition:color .16s var(--ease);
}
.nav-link__index{font-size:10px;line-height:1.4;opacity:.5;transform:translateY(-1px);transition:opacity .16s var(--ease);}
.nav-link__label{white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:1px;height:2px;
  background-image:linear-gradient(90deg,var(--c-lamp),var(--c-ochre));
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--c-lamp);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link[aria-current="page"]{color:var(--c-lamp);}
.nav-link[aria-current="page"] .nav-link__index{opacity:.95;color:var(--c-lamp);}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}

.site-header[data-scrolled="true"] .nav-link{color:rgba(43,54,59,.84);}
.site-header[data-scrolled="true"] .nav-link:hover,
.site-header[data-scrolled="true"] .nav-link[aria-current="page"]{color:var(--c-gold-deep);}
.site-header[data-scrolled="true"] .nav-link[aria-current="page"] .nav-link__index{color:var(--c-ochre);}
.site-header[data-scrolled="true"] .nav-link::after{background-image:linear-gradient(90deg,var(--c-gold),var(--c-ochre));}

.nav-drawer__foot{display:none;}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:8px;}
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:7px 10px;
  border:1px solid rgba(244,235,221,.34);
  border-radius:var(--radius);
  color:inherit;
  transition:border-color .16s var(--ease),background-color .16s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-lamp);}
.nav-toggle__bars{display:grid;gap:4px;width:18px;}
.nav-toggle__bar{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(3px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){transform:translateY(-3px) rotate(-45deg);}
.nav-toggle__text{font-size:12px;letter-spacing:.14em;}
.site-header[data-scrolled="true"] .nav-toggle{border-color:rgba(43,54,59,.3);}

/* ---------- 06 Footer ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,104px);
  padding-top:6px;
  color:rgba(244,235,221,.78);
  font-size:14px;
  background-color:var(--c-night);
  background-image:
    radial-gradient(80% 60% at 10% 0%, rgba(190,138,51,.20), rgba(23,29,32,0) 62%),
    radial-gradient(70% 60% at 98% 6%, rgba(166,71,47,.22), rgba(23,29,32,0) 60%),
    repeating-linear-gradient(115deg, rgba(244,235,221,.05) 0 1px, rgba(23,29,32,0) 1px 15px);
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:6px;
  background-image:linear-gradient(90deg,var(--c-gold),var(--c-lamp) 32%,var(--c-ochre) 72%,var(--c-danxia));
}
.footer-top{
  display:flex;align-items:flex-start;justify-content:space-between;gap:clamp(20px,4vw,56px);
  padding-top:clamp(38px,6vw,68px);
}
.footer-brand{display:flex;align-items:flex-start;gap:16px;max-width:620px;}
.footer-brand__mark{
  display:grid;place-items:center;
  width:52px;height:52px;flex:0 0 52px;
  font-family:var(--font-display);font-weight:900;font-size:26px;
  color:var(--c-night);
  background-image:linear-gradient(150deg,var(--c-lamp),var(--c-gold) 58%,var(--c-danxia));
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.footer-brand__body{display:block;}
.footer-brand__name{
  font-family:var(--font-display);font-weight:900;font-size:clamp(21px,2.2vw,26px);
  color:var(--c-sand);letter-spacing:.02em;
}
.footer-brand__desc{margin-top:10px;font-size:14px;line-height:1.85;color:rgba(244,235,221,.64);max-width:46ch;}
.footer-rail{
  min-height:132px;
  padding-left:10px;
  border-left:1px solid rgba(233,184,95,.3);
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.28em;
  color:rgba(233,184,95,.72);
  white-space:nowrap;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.5fr);
  gap:clamp(20px,3vw,48px);
  margin-top:clamp(30px,4vw,52px);
  padding-block:clamp(26px,3.6vw,44px);
  border-top:1px solid var(--line-night);
  border-bottom:1px solid var(--line-night);
}
.footer-col{min-width:0;}
.footer-col__title{
  display:flex;align-items:center;gap:8px;
  margin-bottom:14px;
  font-family:var(--font-body);font-size:12px;font-weight:500;
  letter-spacing:.22em;color:var(--c-lamp);
}
.footer-col__title::before{content:"";width:10px;height:2px;background:var(--c-ochre);flex:0 0 10px;}
.footer-list{display:grid;gap:9px;}
.footer-link{
  display:inline-block;
  font-size:14px;color:rgba(244,235,221,.76);
  padding-bottom:1px;
  border-bottom:1px solid transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-link:hover{color:var(--c-lamp);border-color:rgba(233,184,95,.7);}

.footer-contact{min-width:0;}
.contact-list{display:grid;gap:10px;}
.contact-line{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;}
.contact-line__label{
  flex:0 0 44px;
  font-size:11px;letter-spacing:.16em;color:rgba(244,235,221,.5);
}
.contact-line__value{color:rgba(244,235,221,.86);line-height:1.7;word-break:break-word;}
.contact-line__value.mono{font-size:13.5px;letter-spacing:.03em;}
.copy-btn{
  align-self:center;
  padding:2px 8px;
  font-size:11px;letter-spacing:.1em;
  color:var(--c-lamp);
  border:1px solid rgba(233,184,95,.42);
  border-radius:1px;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.copy-btn:hover{background:rgba(233,184,95,.16);}
.copy-btn[data-copied="true"]{background:var(--c-lamp);color:var(--c-night);border-color:var(--c-lamp);}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;
  gap:12px 32px;
  padding-block:22px clamp(22px,3vw,36px);
  font-size:12px;color:rgba(244,235,221,.52);
}
.footer-legal{letter-spacing:.08em;}
.footer-note{max-width:62ch;line-height:1.75;}

/* ---------- 07 Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  font-family:var(--font-body);font-size:14px;font-weight:500;letter-spacing:.04em;
  border:1px solid transparent;border-radius:var(--radius);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn--primary{
  color:var(--c-night);
  background-image:linear-gradient(135deg,var(--c-gold),var(--c-lamp) 52%,var(--c-gold));
  border-color:rgba(138,94,26,.32);
}
.btn--primary:hover{background-image:linear-gradient(135deg,var(--c-lamp),var(--c-gold) 48%,var(--c-danxia));}
.btn--ghost{color:var(--c-ink);border-color:rgba(43,54,59,.36);background-color:transparent;}
.btn--ghost:hover{border-color:var(--c-gold-deep);color:var(--c-gold-deep);background-color:rgba(233,184,95,.12);}
.btn--sm{padding:8px 14px;font-size:13px;}
.header-cta{white-space:nowrap;}

/* ---------- 08 Breadcrumbs ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;
  font-size:12px;letter-spacing:.1em;color:var(--c-qilian);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:10px;}
.breadcrumbs__sep{color:rgba(79,96,102,.45);}
.breadcrumbs a{transition:color .16s var(--ease);}
.breadcrumbs a:hover{color:var(--c-gold-deep);}

/* ---------- 09 Content kits ---------- */
.prose{max-width:72ch;}
.prose p{margin-bottom:1.1em;color:rgba(43,54,59,.88);}
.prose h2,.prose h3{margin-top:1.9em;margin-bottom:.55em;}
.prose ul,.prose ol{display:grid;gap:.5em;margin-bottom:1.1em;padding-left:1.1em;list-style:disc;}
.prose a{color:var(--c-gold-deep);border-bottom:1px solid rgba(138,94,26,.42);}

.grid{display:grid;gap:var(--gutter);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr));}
.col-3{grid-column:span 3;}
.col-4{grid-column:span 4;}
.col-5{grid-column:span 5;}
.col-6{grid-column:span 6;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-12{grid-column:span 12;}

.panel{
  position:relative;
  padding:22px;
  background-color:var(--c-gravel);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.panel--cut{
  border:0;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  box-shadow:inset 0 0 0 1px rgba(43,54,59,.16);
}
.panel--earth{background-color:var(--c-earth);}
.panel-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:9px;margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.panel-title{font-family:var(--font-display);font-size:18px;font-weight:900;line-height:1.4;}
.panel-meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--c-qilian);}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  font-size:11px;letter-spacing:.12em;line-height:1.6;
  color:var(--c-qilian);
  border:1px solid rgba(43,54,59,.2);
  border-radius:1px;
}
.tag--gold{color:var(--c-gold-deep);border-color:rgba(190,138,51,.5);background-color:rgba(233,184,95,.16);}
.tag--ochre{color:var(--c-ochre);border-color:rgba(166,71,47,.42);background-color:rgba(166,71,47,.08);}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px 32px;flex-wrap:wrap;
  padding-bottom:14px;margin-bottom:clamp(20px,3vw,34px);
  border-bottom:1px solid var(--line);
}
.section-head__title{font-family:var(--font-display);font-size:clamp(22px,2.4vw,32px);font-weight:900;line-height:1.24;}
.section-head__note{font-size:12px;letter-spacing:.12em;color:var(--c-qilian);}
.divider-slant{
  height:2px;margin-block:clamp(28px,4vw,56px);
  background-image:linear-gradient(90deg,var(--c-gold),rgba(190,138,51,.15) 58%,rgba(190,138,51,0));
  transform:skewY(-1.2deg);
}

.media-frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background-color:var(--c-earth);
  background-image:linear-gradient(150deg,var(--c-earth),var(--c-sand) 62%,rgba(180,102,63,.36));
}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.03);}
.media-frame::after{
  content:"";position:absolute;inset:auto 0 0 0;height:34%;
  background-image:linear-gradient(to top,rgba(23,29,32,.42),rgba(23,29,32,0));
  pointer-events:none;
}
.media-frame--16x9{aspect-ratio:16/9;}
.media-frame--4x3{aspect-ratio:4/3;}
.media-frame--1x1{aspect-ratio:1/1;}
.media-frame--tall{aspect-ratio:3/4;}
.media-frame--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);border:0;}
.media-frame__caption{
  position:relative;z-index:1;
  margin:0;padding:10px 12px;
  font-size:12px;letter-spacing:.1em;line-height:1.6;
  color:var(--c-sand);
  background-color:rgba(23,29,32,.62);
}

.index-rail{
  position:sticky;top:calc(var(--header-h) + 20px);
  width:var(--rail);
  display:grid;gap:4px;
  padding-left:8px;
  border-left:1px solid var(--line);
}
.index-rail__link{
  display:flex;align-items:baseline;gap:6px;
  padding:7px 6px;
  font-size:12px;letter-spacing:.08em;line-height:1.5;
  color:var(--c-qilian);
  border-radius:1px;
  transition:background-color .16s var(--ease),color .16s var(--ease);
}
.index-rail__link:hover{color:var(--c-gold-deep);background-color:rgba(233,184,95,.14);}
.index-rail__link[aria-current="true"]{
  color:var(--c-gravel);
  background-color:var(--c-gold-deep);
  box-shadow:inset 3px 0 0 var(--c-ochre);
}

/* ---------- 10 Feedback ---------- */
.reading-progress{
  position:fixed;top:0;left:0;right:0;
  height:2px;z-index:150;
  background-color:transparent;
  pointer-events:none;
}
.reading-progress__bar{
  height:100%;width:0;
  background-image:linear-gradient(90deg,var(--c-gold),var(--c-lamp) 58%,var(--c-ochre));
  transition:width .1s linear;
}
.toast{
  position:fixed;left:50%;bottom:26px;z-index:300;
  transform:translate(-50%,14px);
  padding:10px 18px;
  font-size:13px;letter-spacing:.08em;
  color:var(--c-sand);
  background-color:var(--c-night);
  border-left:3px solid var(--c-lamp);
  opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.toast[data-visible="true"]{opacity:1;transform:translate(-50%,0);}

/* reveal */
html[data-reveal-ready="true"] [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
html[data-reveal-ready="true"] [data-reveal][data-revealed="true"]{opacity:1;transform:none;}

/* ---------- 11 Responsive & A11y ---------- */
:focus-visible{outline:2px solid var(--c-ochre);outline-offset:3px;}
.site-header :focus-visible,
.site-footer :focus-visible{outline-color:var(--c-lamp);}

html[data-nav-open="true"]{overflow:hidden;}

@media (max-width:1100px){
  :root{--rail:76px;}
  .header-cta{display:none;}
}

@media (max-width:960px){
  :root{--header-h:64px;--gutter:16px;}
  .site-header{background-image:linear-gradient(180deg,rgba(23,29,32,.96) 0%,rgba(23,29,32,.80) 70%,rgba(23,29,32,.10) 100%);}
  .header-strip{display:none;}
  .header-bar__inner{min-height:64px;padding-block:8px;}
  .site-header[data-scrolled="true"] .header-bar__inner{min-height:58px;}
  .nav-toggle{display:inline-flex;}
  .site-nav{
    position:fixed;inset:0;z-index:1;
    padding:calc(var(--header-h) + 14px) var(--gutter) 36px;
    overflow-y:auto;
    background-color:var(--c-night);
    background-image:
      linear-gradient(160deg,rgba(190,138,51,.20),rgba(23,29,32,0) 46%),
      radial-gradient(120% 80% at 100% 0%,rgba(166,71,47,.26),rgba(23,29,32,0) 62%);
    color:var(--c-sand);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  }
  .site-header[data-open="true"] .site-nav{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-item{border-bottom:1px solid rgba(244,235,221,.12);}
  .nav-link{display:flex;align-items:baseline;gap:12px;padding:15px 4px;font-size:17px;color:var(--c-sand);}
  .nav-link__index{font-size:12px;color:var(--c-lamp);opacity:.8;transform:none;}
  .nav-link::after{display:none;}
  .nav-link[aria-current="page"]{color:var(--c-lamp);box-shadow:inset 3px 0 0 var(--c-ochre);padding-left:12px;}
  .nav-drawer__foot{
    display:block;margin-top:20px;
    font-family:var(--font-mono);font-size:12px;line-height:1.9;
    letter-spacing:.06em;color:rgba(244,235,221,.58);
  }
  .header-actions{margin-left:auto;}
  .brand__tagline{font-size:10px;letter-spacing:.1em;}

  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-rail{display:none;}

  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--12{grid-template-columns:repeat(4,minmax(0,1fr));}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 4;}
}

@media (max-width:680px){
  body{font-size:16px;}
  .brand__tagline{display:none;}
  .brand__mark{width:36px;height:36px;flex:0 0 36px;font-size:19px;}
  .brand__name{font-size:17px;}
  .footer-top{flex-direction:column;gap:20px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr);}
  .grid--12{grid-template-columns:minmax(0,1fr);}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:span 1;}
  .index-rail{
    position:static;width:100%;
    border-left:0;border-top:1px solid var(--line);
    padding-left:0;padding-top:8px;
    display:flex;flex-wrap:wrap;gap:6px;
  }
  .panel{padding:18px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html[data-reveal-ready="true"] [data-reveal]{opacity:1;transform:none;}
}