/* ============================================================
   caishentong-chess.com.cn — shared kit  /assets/site.css
   财神通棋牌站 · 技术蓝图网格 + 矿物色体系
   ============================================================ */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  -webkit-tap-highlight-color:transparent;
  scroll-behavior:smooth;
  scroll-padding-top:112px;
}
body,h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd,ol,ul{margin:0;}
ol,ul{padding:0;list-style:none;}
img,svg,picture{display:block;max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0;}
button{cursor:pointer;}
table{border-collapse:collapse;width:100%;}
a{color:inherit;text-decoration:none;}
address{font-style:normal;}

/* ---------- tokens ---------- */
:root{
  /* 矿物色体系 */
  --ink:#14110F;          /* 炭黑底色 */
  --ink-2:#16302A;        /* 深墨绿 */
  --ink-3:#101A17;        /* 墨绿加深，分区换气用 */
  --red:#C8342B;          /* 朱砂红 */
  --red-deep:#9E251E;
  --gold:#D9A441;         /* 鎏金 */
  --clay:#B0643E;         /* 陶土橙 */
  --amber:#E08A3C;        /* 琥珀 */
  --jade:#3E8E7E;         /* 青玉 */
  --stone:#8C8479;        /* 岩灰 */
  --cream:#F2E9DA;        /* 米白 */
  --gaiwan:#5C7A6B;       /* 盖碗青 */

  /* 派生 */
  --line:rgba(140,132,121,.26);
  --line-strong:rgba(140,132,121,.46);
  --cream-80:rgba(242,233,218,.84);
  --cream-60:rgba(242,233,218,.62);
  --ink-80:rgba(20,17,15,.78);
  --gold-soft:rgba(217,164,65,.42);

  /* 字体 */
  --font-display:"ZCOOL QingKe HuangYou","站酷庆科黄油体","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-index:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Source Han Mono SC","Courier New",monospace;
  --font-body:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC","PingFang SC",Georgia,serif;

  /* 结构 */
  --wrap:1280px;
  --gutter:32px;
  --gap:24px;
  --cut:18px;
  --hdr-h:96px;

  --ease:.24s cubic-bezier(.4,0,.2,1);
}

/* ---------- base ---------- */
body{
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.012em;
  min-height:100%;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--red);color:#FBF3E4;}

:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- layout ---------- */
.wrap{
  width:min(100% - 40px, var(--wrap));
  margin-inline:auto;
}
#main-content{display:block;}

.grid12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--gap);
}

.section{padding:clamp(52px,7vw,104px) 0;}
.section--tight{padding:clamp(34px,4vw,60px) 0;}
.section--jade{background:var(--ink-2);}
.section--deep{background:var(--ink-3);}
.section--cream{background:var(--cream);color:var(--ink);}
.section--cream .t-index,
.section--cream .kicker{color:var(--clay);}
.section--cream .kicker::before{background:var(--clay);}

.divider{
  height:1px;border:0;margin:0;
  background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 24px);
}

/* ---------- type scale ---------- */
.t-display{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(30px,4.4vw,58px);
  line-height:1.02;
  letter-spacing:-.015em;
}
.t-display--xl{font-size:clamp(46px,7.6vw,108px);letter-spacing:-.03em;}
.t-display--sm{font-size:clamp(22px,2.6vw,34px);}
.t-accent{
  font-family:var(--font-index);
  font-weight:200;
  font-size:clamp(26px,3.6vw,50px);
  line-height:1.14;
  letter-spacing:.05em;
}
.t-index{
  font-family:var(--font-index);
  font-weight:300;
  font-size:12px;
  letter-spacing:.26em;
  color:var(--stone);
  line-height:1.6;
}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
}
.anchor-num{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(42px,7vw,92px);
  line-height:.88;
  letter-spacing:-.03em;
  color:var(--gold);
  display:block;
}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-index);
  font-size:11px;font-weight:400;
  letter-spacing:.3em;
  color:var(--gold);
  line-height:1;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--gold);flex:none;}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:16px;top:-120px;z-index:200;
  padding:12px 22px;
  background:var(--gold);color:var(--ink);
  font-family:var(--font-index);font-size:13px;font-weight:500;
  letter-spacing:.14em;
  transition:top var(--ease);
}
.skip-link:focus{top:14px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;
  font-family:var(--font-index);
  font-size:13px;font-weight:500;
  letter-spacing:.12em;
  line-height:1;
  color:var(--cream);
  border:1px solid var(--line-strong);
  background:transparent;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.btn--sm{padding:9px 15px;font-size:12px;letter-spacing:.1em;}
.btn--lg{padding:15px 30px;font-size:14px;}
.btn--red{background:var(--red);border-color:var(--red);color:#FBF3E4;}
.btn--red:hover,.btn--red:focus-visible{background:var(--gold);border-color:var(--gold);color:var(--ink);}
.btn--gold{border-color:var(--gold-soft);color:var(--gold);}
.btn--gold:hover,.btn--gold:focus-visible{background:var(--gold);border-color:var(--gold);color:var(--ink);}
.btn--jade{border-color:rgba(62,142,126,.6);color:var(--jade);}
.btn--jade:hover,.btn--jade:focus-visible{background:var(--jade);border-color:var(--jade);color:#FBF3E4;}
.btn--ghost:hover,.btn--ghost:focus-visible{border-color:var(--gold);color:var(--gold);}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:24px 0 0;}
.breadcrumb__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-index);font-size:12px;
  letter-spacing:.14em;color:var(--stone);
}
.breadcrumb__list li{display:flex;align-items:center;}
.breadcrumb__list li + li::before{content:"/";margin-right:8px;color:var(--line-strong);}
.breadcrumb__list a{color:var(--stone);transition:color var(--ease);}
.breadcrumb__list a:hover{color:var(--gold);}
.breadcrumb__current{color:var(--cream);}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid var(--line);
}
.hdr__rail{
  position:relative;
  height:30px;
  background:var(--ink-2);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  transition:height var(--ease);
}
.hdr__rail::after{
  content:"";position:absolute;left:0;bottom:0;
  width:0;height:6px;
  background:linear-gradient(90deg,rgba(200,52,43,.55),var(--red));
  opacity:0;
  transition:width .42s cubic-bezier(.4,0,.2,1),opacity var(--ease);
}
.hdr.is-tight .hdr__rail{height:6px;}
.hdr.is-tight .hdr__rail::after{width:42%;opacity:1;}

.hdr__rail-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:20px;
  height:30px;
  transition:opacity var(--ease);
}
.hdr.is-tight .hdr__rail-inner{opacity:0;}

.rail__tag,
.rail__now{
  flex:none;
  font-family:var(--font-index);
  font-size:10px;font-weight:300;
  letter-spacing:.28em;
  color:var(--stone);
  white-space:nowrap;
}
.rail__now{color:var(--gold);}
.rail{
  display:flex;align-items:center;
  flex:1 1 auto;min-width:0;height:30px;
}
.rail__node{
  display:flex;align-items:center;gap:8px;
  flex:1 1 0;min-width:0;
  font-family:var(--font-index);
  font-size:11px;font-weight:300;
  letter-spacing:.18em;
  color:var(--stone);
  white-space:nowrap;
  transition:color var(--ease);
}
.rail__node::after{
  content:"";flex:1 1 auto;height:1px;min-width:8px;
  background:var(--line-strong);
  transition:background var(--ease);
}
.rail__node:last-child::after{background:linear-gradient(90deg,var(--line-strong),transparent);}
.rail__dot{
  flex:none;width:6px;height:6px;
  background:var(--stone);
  transform:rotate(45deg);
  transition:background var(--ease),box-shadow var(--ease);
}
.rail__no{
  font-family:var(--font-mono);
  font-size:10px;font-weight:500;
  letter-spacing:.06em;
  color:var(--line-strong);
}
.rail__node:hover{color:var(--cream);}
.rail__node:hover .rail__dot{background:var(--gold);}
.rail__node:hover::after{background:var(--gold-soft);}
.rail__node--now{color:var(--cream);}
.rail__node--now .rail__dot{
  background:var(--red);
  box-shadow:0 0 0 3px rgba(200,52,43,.24);
}
.rail__node--now .rail__no{color:var(--gold);}

.hdr__bar{height:64px;}
.hdr__bar-inner{
  display:flex;align-items:center;gap:20px;
  height:64px;
}

/* brand */
.brand{
  display:flex;align-items:center;gap:12px;
  flex:none;
  color:var(--cream);
}
.brand__mark{
  flex:none;
  width:36px;height:36px;
  display:grid;place-items:center;
  background:var(--red);
  color:#F7E6C4;
  font-family:var(--font-display);
  font-size:20px;font-weight:900;
  line-height:1;
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,0 100%);
  transition:background var(--ease),color var(--ease);
}
.brand:hover .brand__mark{background:var(--gold);color:var(--ink);}
.brand__text{display:flex;flex-direction:column;gap:2px;}
.brand__name{
  font-family:var(--font-display);
  font-size:17px;font-weight:800;
  letter-spacing:.06em;line-height:1.1;
}
.brand__sub{
  font-family:var(--font-index);
  font-size:10px;font-weight:300;
  letter-spacing:.22em;line-height:1.2;
  color:var(--stone);
}

/* command nav */
.cmdnav{margin-left:auto;}
.cmdnav__list{display:flex;align-items:center;gap:2px;}
.cmdnav__link{
  display:flex;align-items:baseline;gap:6px;
  padding:8px 10px;
  font-family:var(--font-index);
  font-size:13px;font-weight:400;
  letter-spacing:.1em;
  color:var(--cream);
  border-bottom:1px solid transparent;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.cmdnav__idx{
  font-family:var(--font-mono);
  font-size:10px;font-weight:500;
  letter-spacing:.08em;
  color:var(--stone);
  transition:color var(--ease);
}
.cmdnav__link:hover,
.cmdnav__link:focus-visible{color:var(--gold);border-bottom-color:var(--gold-soft);}
.cmdnav__link:hover .cmdnav__idx{color:var(--gold);}
.cmdnav__link[aria-current="page"]{
  background:var(--red);
  border-bottom-color:var(--red);
  color:#FBF3E4;
}
.cmdnav__link[aria-current="page"] .cmdnav__idx{color:#FBF3E4;}

/* header aside */
.hdr__aside{display:flex;align-items:center;gap:14px;flex:none;}
.hdr__tel{display:flex;flex-direction:column;gap:1px;line-height:1.25;}
.hdr__tel-k{
  font-family:var(--font-index);
  font-size:9px;font-weight:300;
  letter-spacing:.26em;
  color:var(--stone);
}
.hdr__tel-v{
  font-family:var(--font-mono);
  font-size:13px;font-weight:500;
  letter-spacing:.02em;
  color:var(--cream);
}

/* progress hairline */
.hdr__prog{
  position:absolute;left:0;bottom:0;
  width:100%;height:2px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:0 50%;
  pointer-events:none;
}

/* hamburger */
.navtoggle{
  display:none;align-items:center;gap:10px;
  margin-left:auto;
  padding:10px 14px;
  border:1px solid var(--line-strong);
  color:var(--cream);
  font-family:var(--font-index);
  font-size:11px;font-weight:400;
  letter-spacing:.24em;
  clip-path:polygon(0 0,calc(100% - 9px) 0,100% 9px,100% 100%,0 100%);
  transition:border-color var(--ease),color var(--ease);
}
.navtoggle:hover,.navtoggle:focus-visible{border-color:var(--gold);color:var(--gold);}
.navtoggle__bars{display:block;width:18px;}
.navtoggle__bar{
  display:block;height:1px;margin:4px 0;
  background:currentColor;
  transition:transform var(--ease),opacity var(--ease);
}
.hdr[data-open="true"] .navtoggle__bar:nth-child(1){transform:translateY(5px) rotate(45deg);}
.hdr[data-open="true"] .navtoggle__bar:nth-child(2){opacity:0;}
.hdr[data-open="true"] .navtoggle__bar:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ---------- panels ---------- */
.panel{
  position:relative;
  background:var(--ink-2);
  border:1px solid var(--line);
  padding:clamp(20px,2.4vw,32px);
}
.panel--cut{
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,0 100%);
  border-top-color:transparent;
}
.panel--flat{background:var(--ink);}
.panel--cream{background:var(--cream);color:var(--ink);border-color:#DCCFBA;}
.panel--cream .t-index{color:var(--clay);}
.panel--cream .mono{color:var(--red-deep);}
.panel--edge-red{border-left:3px solid var(--red);}
.panel--edge-jade{border-left:3px solid var(--jade);}
.panel--edge-gold{border-left:3px solid var(--gold);}

/* ---------- figure (image container) ---------- */
.figure{
  position:relative;
  display:block;
  margin:0;
  background:var(--ink-2);
  border:1px solid var(--line);
  overflow:hidden;
  clip-path:polygon(0 0,calc(100% - 20px) 0,100% 20px,100% 100%,0 100%);
}
.figure__img{
  display:block;
  width:100%;height:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:
    linear-gradient(140deg,#1E332C 0%,#14110F 58%,#2A1C15 100%);
}
.figure--wide .figure__img{aspect-ratio:21/9;}
.figure--tall .figure__img{aspect-ratio:4/5;}
.figure--square .figure__img{aspect-ratio:1/1;}
.figure--board .figure__img{aspect-ratio:3/2;}
.figure__cap{
  position:absolute;left:0;bottom:0;
  max-width:82%;
  padding:9px 16px 9px 12px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.12em;
  color:var(--cream);
  background:linear-gradient(90deg,rgba(20,17,15,.9) 0%,rgba(20,17,15,.55) 70%,rgba(20,17,15,0) 100%);
}

/* ---------- horizontal track ---------- */
.track-wrap{position:relative;}
.track-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:22px;width:72px;
  background:linear-gradient(90deg,rgba(20,17,15,0),var(--ink));
  pointer-events:none;
}
.track{
  display:flex;gap:20px;
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x proximity;
  padding:4px 0 22px;
  scrollbar-color:var(--stone) rgba(140,132,121,.16);
  scrollbar-width:thin;
}
.track > *{flex:0 0 auto;scroll-snap-align:start;}
.track::-webkit-scrollbar{height:6px;}
.track::-webkit-scrollbar-track{background:rgba(140,132,121,.16);}
.track::-webkit-scrollbar-thumb{background:var(--stone);}

/* ---------- legend + swatch ---------- */
.legend{
  display:flex;flex-wrap:wrap;gap:10px 22px;
}
.legend li,
.legend__item{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-index);
  font-size:12px;font-weight:300;
  letter-spacing:.12em;
  color:var(--stone);
}
.swatch{
  flex:none;
  width:11px;height:11px;
  background:var(--stone);
  transform:rotate(45deg);
}
.swatch[data-tone="red"]{background:var(--red);}
.swatch[data-tone="gold"]{background:var(--gold);}
.swatch[data-tone="clay"]{background:var(--clay);}
.swatch[data-tone="amber"]{background:var(--amber);}
.swatch[data-tone="jade"]{background:var(--jade);}
.swatch[data-tone="gaiwan"]{background:var(--gaiwan);}
.swatch[data-tone="cream"]{background:var(--cream);}

/* ---------- in-page index rail ---------- */
.idxrail{
  position:sticky;top:120px;
  display:grid;gap:2px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.1em;
}
.idxrail a{
  display:block;
  padding:7px 0 7px 13px;
  color:var(--stone);
  border-left:1px solid var(--line);
  transition:color var(--ease),border-color var(--ease),padding-left var(--ease);
}
.idxrail a:hover,
.idxrail a[data-active="true"]{
  color:var(--gold);
  border-left-color:var(--gold);
  padding-left:17px;
}

/* ---------- prose ---------- */
.prose{
  max-width:70ch;
  font-size:16px;
  line-height:1.85;
  color:var(--cream-80);
}
.prose p{margin-bottom:1.4em;}
.prose p:last-child{margin-bottom:0;}
.prose h2,.prose h3{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.2;
  letter-spacing:0;
  color:var(--cream);
  margin:1.9em 0 .7em;
}
.prose h2{font-size:clamp(22px,2.4vw,30px);}
.prose h3{font-size:clamp(18px,1.8vw,22px);}
.prose strong{color:var(--cream);font-weight:700;}
.prose em{color:var(--gold);font-style:normal;}
.prose a{
  color:var(--gold);
  border-bottom:1px solid var(--gold-soft);
  transition:border-color var(--ease);
}
.prose a:hover{border-bottom-color:var(--gold);}
.prose ul{display:grid;gap:.6em;margin:0 0 1.4em;padding-left:0;}
.prose ul li{position:relative;padding-left:20px;}
.prose ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:6px;height:6px;background:var(--gold);transform:rotate(45deg);
}

/* ---------- reveal ---------- */
.js-on .reveal{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .5s ease,transform .5s ease;
}
.js-on .reveal.is-in{opacity:1;transform:none;}

/* ---------- footer ---------- */
.ftr{
  position:relative;
  background:var(--ink-2);
  border-top:1px solid var(--line);
  color:var(--cream);
}
.ftr::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--red) 0 8%,var(--gold) 8% 12%,rgba(140,132,121,.2) 12% 100%);
}
.ftr__grid{
  display:grid;
  grid-template-columns:1.6fr .85fr 1.35fr .85fr;
  gap:clamp(24px,3vw,44px);
  padding:clamp(44px,5vw,72px) 0 clamp(30px,3vw,44px);
}
.ftr__col{min-width:0;}
.ftr__logo{
  font-family:var(--font-display);
  font-size:clamp(22px,2.2vw,28px);
  font-weight:800;
  letter-spacing:.04em;
  line-height:1.2;
  margin-bottom:12px;
}
.ftr__lead{
  font-size:14px;
  line-height:1.8;
  color:var(--cream-80);
  max-width:34ch;
}
.ftr__stamp{
  margin-top:16px;
  font-family:var(--font-index);
  font-size:10px;font-weight:300;
  letter-spacing:.3em;
  color:var(--gaiwan);
}
.ftr__title{
  display:flex;align-items:center;gap:10px;
  margin-bottom:18px;
  font-family:var(--font-index);
  font-size:11px;font-weight:400;
  letter-spacing:.28em;
  color:var(--gold);
}
.ftr__title::before{content:"";width:14px;height:1px;background:var(--gold);flex:none;}
.ftr__list{display:grid;gap:10px;}
.ftr__list a{
  display:inline-block;
  font-size:14px;
  color:var(--cream-80);
  border-bottom:1px solid transparent;
  transition:color var(--ease),border-color var(--ease);
}
.ftr__list a:hover,.ftr__list a:focus-visible{
  color:var(--gold);
  border-bottom-color:var(--gold-soft);
}
.ftr__meta{display:grid;gap:12px;}
.ftr__meta li{display:grid;gap:3px;}
.ftr__meta-k{
  font-family:var(--font-index);
  font-size:10px;font-weight:300;
  letter-spacing:.26em;
  color:var(--stone);
}
.ftr__meta-v{
  font-size:13.5px;
  line-height:1.7;
  color:var(--cream-80);
  word-break:break-word;
}
.ftr__select{user-select:all;-webkit-user-select:all;}
.ftr__note{
  margin-top:18px;
  padding-left:12px;
  border-left:2px solid var(--gaiwan);
  font-size:12.5px;
  line-height:1.7;
  color:var(--cream-60);
}
.ftr__reg{
  margin-top:18px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--stone);
}
.ftr__base{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:18px 32px;
  padding:22px 0 40px;
  border-top:1px solid var(--line);
}
.ftr__scale{
  flex:1 1 240px;
  max-width:460px;
  height:14px;
  border-top:1px solid var(--line);
  background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 34px);
  position:relative;
}
.ftr__scale::after{
  content:"";position:absolute;left:0;top:0;width:42%;height:2px;
  background:var(--red);
}
.ftr__copy{
  font-family:var(--font-index);
  font-size:12px;font-weight:300;
  letter-spacing:.1em;
  color:var(--stone);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .hdr__tel{display:none;}
  .cmdnav__link{padding:8px 8px;font-size:12.5px;}
}

@media (max-width:1080px){
  .ftr__grid{grid-template-columns:1fr 1fr;gap:34px;}
  .ftr__lead{max-width:none;}
}

@media (max-width:960px){
  :root{--hdr-h:94px;--cut:14px;}
  html{scroll-padding-top:104px;}
  .hdr__bar{height:60px;}
  .hdr__bar-inner{height:60px;gap:12px;}
  .navtoggle{display:inline-flex;}
  .cmdnav{
    position:absolute;top:100%;left:0;right:0;
    display:none;
    margin-left:0;
    background:var(--ink-2);
    border-bottom:1px solid var(--line);
    max-height:min(72vh,520px);
    overflow-y:auto;
    padding:6px 0 18px;
  }
  .hdr[data-open="true"] .cmdnav{display:block;}
  .cmdnav__list{
    flex-direction:column;align-items:stretch;gap:0;
    padding:0 20px;
  }
  .cmdnav__link{
    justify-content:flex-start;
    padding:15px 4px;
    font-size:15px;
    border-bottom:1px solid var(--line);
    border-left:3px solid transparent;
  }
  .cmdnav__link:hover,.cmdnav__link:focus-visible{border-bottom-color:var(--line);}
  .cmdnav__link[aria-current="page"]{
    background:transparent;
    border-bottom-color:var(--line);
    border-left-color:var(--red);
    color:var(--gold);
    padding-left:12px;
  }
  .cmdnav__link[aria-current="page"] .cmdnav__idx{color:var(--gold);}
  .hdr__aside{display:none;}
  .rail__node:nth-child(3),
  .rail__node:nth-child(4){display:none;}
  .rail__node:nth-child(2)::after{background:linear-gradient(90deg,var(--line-strong),transparent);}
  .hdr.is-tight .hdr__rail::after{width:62%;}
}

@media (max-width:720px){
  .wrap{width:min(100% - 28px,var(--wrap));}
  :root{--gutter:16px;--gap:16px;}
  .rail__tag,.rail__now{display:none;}
  .rail__name{display:none;}
  .hdr__rail-inner{gap:10px;}
  .hdr__rail{height:24px;}
  .hdr__rail-inner{height:24px;}
  .hdr__bar{height:58px;}
  .hdr__bar-inner{height:58px;}
  .brand__sub{display:none;}
  .brand__name{font-size:16px;}
  .ftr__grid{grid-template-columns:1fr;}
  .ftr__base{padding-bottom:32px;}
  .ftr__scale{max-width:none;}
  .idxrail{position:static;}
  .track > *{flex:0 0 82%;}
  .figure--wide .figure__img{aspect-ratio:16/10;}
}

@media (max-width:420px){
  .brand__mark{width:32px;height:32px;font-size:18px;}
  .btn--sm{padding:8px 12px;font-size:11px;letter-spacing:.06em;}
  .navtoggle{padding:9px 11px;letter-spacing:.16em;}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-on .reveal{opacity:1;transform:none;}
  .hdr__prog{transition:none;}
}