/* ============================================================
   site.css · 大发彩票开奖 · 共享外壳样式
   结构：tokens → reset → 中文排版 → 布局容器 → 通用组件
        → header → footer → 响应式 → 动效与无障碍
   ============================================================ */

/* ---------- 1. Design tokens ---------- */
:root{
  --paper:#F7F3EC;
  --paper-deep:#EFEAE0;
  --ink:#14161A;
  --charcoal:#2A2E35;
  --red:#C8102E;
  --red-deep:#7A0C1E;
  --gold:#C9A227;
  --gold-light:#E8D9A8;
  --celadon:#4F8A7B;
  --amber:#D97A2B;
  --fog:#D8D2C8;

  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",ui-monospace,monospace;

  --rail-w:96px;
  --page-max:1280px;
  --gutter:24px;
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --fs-12:0.75rem;
  --fs-14:0.875rem;
  --fs-16:1rem;
  --fs-18:1.125rem;
  --fs-24:1.5rem;
  --fs-32:2rem;
  --fs-48:3rem;
  --fs-72:4.5rem;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
img,svg,picture,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- 3. Base typography ---------- */
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:var(--fs-16);
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.012em;
  color:var(--ink);
  text-wrap:balance;
}
h1{font-size:clamp(2rem,4vw,var(--fs-48))}
h2{font-size:clamp(1.35rem,2.2vw,var(--fs-24))}
h3{font-family:var(--sans);font-size:var(--fs-18);font-weight:700;line-height:1.45;letter-spacing:0}
h4{font-family:var(--sans);font-size:var(--fs-16);font-weight:700;line-height:1.5;letter-spacing:.02em}
p{text-wrap:pretty}

::selection{background:rgba(200,16,46,.16);color:var(--ink)}

:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:1px}
:focus:not(:focus-visible){outline:none}

/* ---------- 4. Layout helpers ---------- */
#main-content{display:block}

.u-wrap{
  width:100%;
  max-width:var(--page-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:72px}
.section--tight{padding-block:44px}

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

.rule{border:0;border-top:1px solid var(--fog);margin:0}

.mono{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}

.sr-only{
  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;
}

/* ---------- 5. Shared components ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:var(--fs-12);
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--red);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--red);
  flex:0 0 auto;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  font-family:var(--sans);
  font-size:var(--fs-14);
  font-weight:700;
  line-height:1;
  letter-spacing:.08em;
  text-decoration:none;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{
  background:var(--red);
  color:#fff;
  box-shadow:0 2px 12px rgba(200,16,46,.22);
}
.btn--primary:hover{background:var(--red-deep);box-shadow:0 4px 18px rgba(122,12,30,.28)}
.btn--ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--fog);
}
.btn--ghost:hover{border-color:var(--ink);background:rgba(20,22,26,.045)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  font-family:var(--sans);
  font-size:var(--fs-12);
  font-weight:600;
  line-height:1.55;
  letter-spacing:.06em;
  border-radius:var(--radius);
  white-space:nowrap;
}
.tag--red{background:rgba(200,16,46,.1);color:var(--red)}
.tag--celadon{background:rgba(79,138,123,.15);color:#3C6D60}
.tag--amber{background:rgba(217,122,43,.15);color:#A85A18}
.tag--gold{background:rgba(201,162,39,.16);color:#8A6E12}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  font-size:var(--fs-12);
  letter-spacing:.06em;
  color:var(--charcoal);
}
.breadcrumbs li{display:inline-flex;align-items:center}
.breadcrumbs li:not(:first-child)::before{
  content:"/";
  margin-inline:8px;
  color:var(--fog);
}
.breadcrumbs a{
  text-decoration:none;
  color:var(--charcoal);
  transition:color .18s var(--ease);
}
.breadcrumbs a:hover{color:var(--red)}
.breadcrumbs [aria-current="page"]{color:var(--ink);font-weight:600}

.prose{
  max-width:68ch;
  font-size:var(--fs-18);
  line-height:1.85;
  color:var(--charcoal);
}
.prose p + p{margin-top:1.05em}
.prose h2{
  margin:2em 0 .7em;
  font-size:var(--fs-24);
}
.prose h3{
  margin:1.7em 0 .55em;
  color:var(--ink);
}
.prose ul,.prose ol{
  list-style:revert;
  padding-left:1.25em;
  margin-top:.9em;
}
.prose li + li{margin-top:.4em}
.prose a{
  color:var(--red);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.prose a:hover{color:var(--red-deep)}
.prose strong{color:var(--ink);font-weight:700}
.prose blockquote{
  margin:1.6em 0;
  padding:6px 0 6px 20px;
  border-left:2px solid var(--gold);
  font-family:var(--serif);
  color:var(--charcoal);
}
.prose code{
  font-family:var(--mono);
  font-size:.92em;
  background:rgba(20,22,26,.05);
  padding:.1em .4em;
  border-radius:2px;
}

.index-list{
  margin:0;
  padding:0;
  border-top:1px solid var(--fog);
  list-style:none;
}
.index-list__item{border-bottom:1px solid var(--fog)}
.index-list__link{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:4px 20px;
  padding:16px 4px;
  text-decoration:none;
  color:var(--ink);
  transition:background-color .18s var(--ease),padding-left .18s var(--ease);
}
.index-list__link:hover{
  background:rgba(201,162,39,.11);
  padding-left:14px;
}
.index-list__link:focus-visible{outline-offset:-2px}

.note{
  padding:4px 0 4px 14px;
  border-left:2px solid var(--celadon);
  background:rgba(79,138,123,.06);
  font-size:var(--fs-14);
  line-height:1.8;
  color:var(--charcoal);
}

.media-frame{
  position:relative;
  overflow:hidden;
  width:100%;
  aspect-ratio:16 / 9;
  border:1px solid var(--fog);
  border-radius:var(--radius);
  background:
    radial-gradient(120% 90% at 12% 8%,rgba(200,16,46,.13),transparent 62%),
    radial-gradient(110% 100% at 88% 92%,rgba(201,162,39,.18),transparent 60%),
    linear-gradient(140deg,rgba(79,138,123,.1),rgba(247,243,236,.4));
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture,
.media-frame > video{width:100%;height:100%;object-fit:cover}
.media-frame > picture > img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame--square{aspect-ratio:1 / 1}

/* ---------- 6. Header / rail navigation ---------- */
.skip-link{
  position:fixed;
  top:0;
  left:0;
  z-index:300;
  padding:12px 20px;
  background:var(--red);
  color:#fff;
  font-family:var(--sans);
  font-size:var(--fs-14);
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  transform:translateY(-130%);
  transition:transform .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{
  transform:translateY(0);
  outline:2px solid var(--gold-light);
  outline-offset:-4px;
}

.site-header{
  position:fixed;
  inset:0 auto 0 0;
  z-index:100;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:20px 0 16px;
  background:var(--ink);
  color:var(--paper);
  border-right:1px solid rgba(200,16,46,.4);
  box-shadow:2px 0 18px rgba(20,22,26,.14);
}

/* — 品牌锁 — */
.masthead{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:0 8px;
  flex:0 0 auto;
}
.masthead__brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:inherit;
}
.masthead__mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  background:var(--red);
  color:#fff;
  font-family:var(--serif);
  font-size:21px;
  font-weight:800;
  line-height:1;
  border-radius:3px;
  box-shadow:0 3px 14px rgba(200,16,46,.4);
  transition:background-color .2s var(--ease),transform .2s var(--ease);
}
.masthead__brand:hover .masthead__mark{
  background:var(--red-deep);
  transform:translateY(-1px);
}
.masthead__text{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.masthead__title{
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-family:var(--serif);
  font-size:14px;
  font-weight:800;
  letter-spacing:.18em;
  color:var(--paper);
  line-height:1;
}
.masthead__desc{
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-family:var(--sans);
  font-size:10px;
  font-weight:500;
  letter-spacing:.16em;
  line-height:1;
  color:rgba(232,217,168,.55);
  padding-top:6px;
  border-top:1px solid rgba(232,217,168,.22);
}

/* — 移动按钮（桌面隐藏） — */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  color:var(--paper);
  font-family:var(--sans);
  font-size:var(--fs-12);
  font-weight:600;
  letter-spacing:.12em;
  border:1px solid rgba(247,243,236,.28);
  border-radius:var(--radius);
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(232,217,168,.7);background:rgba(247,243,236,.06)}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  gap:4px;
  width:16px;
}
.nav-toggle__bar{
  display:block;
  height:1.5px;
  width:100%;
  background:currentColor;
  transition:transform .22s var(--ease),opacity .16s var(--ease);
}
.nav-toggle__text{line-height:1}
.site-header[data-open] .nav-toggle{
  border-color:rgba(201,162,39,.7);
  color:var(--gold-light);
}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bar:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* — 轨道导航 — */
.site-nav{
  order:2;
  flex:1 1 auto;
  min-height:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  width:100%;
  padding:12px 0;
  overflow-y:auto;
  scrollbar-width:none;
}
.site-nav::-webkit-scrollbar{display:none}
.site-nav__list{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
  width:100%;
}
.site-nav__item{display:block}
.site-nav__link{
  position:relative;
  display:block;
  padding:10px;
  color:rgba(247,243,236,.7);
  text-decoration:none;
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-family:var(--sans);
  font-size:var(--fs-12);
  font-weight:600;
  letter-spacing:.16em;
  line-height:1;
  border-radius:2px;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.site-nav__link::before{
  content:"";
  position:absolute;
  left:1px;
  top:50%;
  width:3px;
  height:0;
  background:var(--red);
  transform:translateY(-50%);
  transition:height .24s var(--ease);
}
.site-nav__link:hover{
  color:#fff;
  background:rgba(247,243,236,.07);
}
.site-nav__link[aria-current="page"]{
  color:var(--gold-light);
  background:rgba(200,16,46,.2);
}
.site-nav__link[aria-current="page"]::before{height:58%}
.site-nav__label{display:inline-block}

.site-nav__cta{
  display:none;
  margin-top:14px;
  padding:12px 10px;
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-family:var(--sans);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  line-height:1;
  text-decoration:none;
  text-align:center;
  color:#fff;
  background:var(--red);
  border-radius:2px;
  transition:background-color .2s var(--ease);
}
.site-nav__cta:hover{background:var(--red-deep)}

/* — 阅读进度尺 — */
.rail-meter{
  position:relative;
  order:3;
  flex:0 0 auto;
  width:2px;
  height:72px;
  margin:0 auto;
  background:rgba(247,243,236,.16);
  overflow:hidden;
}
.rail-meter__fill{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,var(--gold),var(--red));
  transform:scaleY(var(--p,0));
  transform-origin:top center;
  transition:transform .12s linear;
}

/* ---------- 7. Footer ---------- */
.site-footer{
  position:relative;
  background:var(--ink);
  color:rgba(247,243,236,.78);
  border-top:2px solid var(--red);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:min(220px,40%);
  height:2px;
  background:var(--gold);
}

.footer__top{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.8fr) minmax(0,1.05fr);
  gap:44px 48px;
  max-width:var(--page-max);
  margin-inline:auto;
  padding:64px var(--gutter) 52px;
}

.footer__brand{display:flex;flex-direction:column;gap:16px}
.footer__lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--paper);
  width:fit-content;
}
.footer__mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:var(--red);
  color:#fff;
  font-family:var(--serif);
  font-size:18px;
  font-weight:800;
  line-height:1;
  border-radius:2px;
}
.footer__name{
  font-family:var(--serif);
  font-size:var(--fs-24);
  font-weight:800;
  letter-spacing:.04em;
  line-height:1.2;
}
.footer__lockup:hover .footer__mark{background:var(--red-deep)}
.footer__tagline{
  font-size:var(--fs-14);
  letter-spacing:.08em;
  color:var(--gold-light);
}
.footer__fineprint{
  font-size:var(--fs-12);
  line-height:1.85;
  letter-spacing:.04em;
  color:rgba(247,243,236,.48);
}

.footer__heading{
  font-family:var(--mono);
  font-size:var(--fs-12);
  font-weight:600;
  letter-spacing:.22em;
  line-height:1;
  color:var(--gold);
  margin-bottom:20px;
  padding-bottom:12px;
  border-bottom:1px solid rgba(247,243,236,.14);
}

.footer__nav{min-width:0}
.footer__links{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:11px 20px;
}
.footer__links a{
  font-size:var(--fs-14);
  color:rgba(247,243,236,.8);
  text-decoration:none;
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer__links a:hover{
  color:var(--gold-light);
  padding-left:5px;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-color:rgba(232,217,168,.5);
}

.footer__contact{min-width:0}
.footer__data{
  display:grid;
  gap:16px;
  margin:0;
}
.footer__row{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:4px 14px;
}
.footer__row dt{
  flex:0 0 68px;
  font-size:var(--fs-12);
  font-weight:500;
  letter-spacing:.1em;
  color:rgba(247,243,236,.44);
}
.footer__row dd{
  margin:0;
  flex:1 1 150px;
  min-width:0;
  font-family:var(--mono);
  font-size:var(--fs-14);
  line-height:1.7;
  color:var(--paper);
  overflow-wrap:anywhere;
}
.footer__value{font-family:var(--mono);letter-spacing:.02em}

.copy-btn{
  margin-left:10px;
  padding:3px 9px;
  font-family:var(--sans);
  font-size:11px;
  font-weight:600;
  line-height:1.5;
  letter-spacing:.08em;
  color:var(--gold-light);
  background:transparent;
  border:1px solid rgba(201,162,39,.45);
  border-radius:2px;
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  vertical-align:baseline;
}
.copy-btn:hover{background:rgba(201,162,39,.16);border-color:var(--gold)}
.copy-btn[data-copied="true"]{
  color:#8FC6B6;
  border-color:rgba(79,138,123,.8);
  background:rgba(79,138,123,.14);
}

.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 30px;
  max-width:var(--page-max);
  margin-inline:auto;
  padding:22px var(--gutter) 34px;
  border-top:1px solid rgba(247,243,236,.12);
}
.footer__legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
}
.footer__legal-links a{
  font-size:var(--fs-12);
  letter-spacing:.06em;
  color:rgba(247,243,236,.7);
  text-decoration:none;
  transition:color .18s var(--ease);
}
.footer__legal-links a:hover{
  color:var(--gold-light);
  text-decoration:underline;
  text-underline-offset:4px;
}

/* ---------- 8. Reveal protocol ---------- */
[data-reveal][data-reveal-state="pending"]{
  opacity:0;
  transform:translateY(14px);
}
[data-reveal][data-reveal-state="shown"]{
  opacity:1;
  transform:none;
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}

/* ---------- 9. Desktop offset ---------- */
@media (min-width:961px){
  body{padding-left:var(--rail-w)}
}

/* ---------- 10. Tablet / mobile ---------- */
@media (max-width:960px){
  :root{--gutter:20px}

  .site-header{
    position:sticky;
    inset:auto;
    top:0;
    width:100%;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    padding:10px 16px 8px;
    border-right:0;
    border-bottom:1px solid rgba(200,16,46,.45);
    box-shadow:0 2px 16px rgba(20,22,26,.18);
  }

  .masthead{
    flex:0 1 auto;
    flex-direction:row;
    align-items:center;
    padding:0;
    gap:10px;
    min-height:44px;
  }
  .masthead__brand{
    flex-direction:row;
    gap:10px;
  }
  .masthead__mark{
    width:32px;
    height:32px;
    font-size:17px;
  }
  .masthead__text{
    align-items:flex-start;
    gap:2px;
  }
  .masthead__title{
    writing-mode:horizontal-tb;
    text-orientation:mixed;
    font-size:15px;
    letter-spacing:.08em;
    line-height:1.3;
  }
  .masthead__desc{
    writing-mode:horizontal-tb;
    text-orientation:mixed;
    font-size:10px;
    letter-spacing:.06em;
    line-height:1.4;
    padding-top:0;
    border-top:0;
  }

  .nav-toggle{display:inline-flex}

  .site-nav{
    order:3;
    flex:0 0 auto;
    display:none;
    width:100%;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:0;
    margin-top:10px;
    overflow:visible;
    border-top:1px solid rgba(247,243,236,.12);
  }
  .site-header[data-open] .site-nav{
    display:flex;
    animation:rail-drop .22s var(--ease) both;
  }
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    width:100%;
  }
  .site-nav__link{
    writing-mode:horizontal-tb;
    text-orientation:mixed;
    padding:14px 12px;
    font-size:15px;
    letter-spacing:.06em;
    line-height:1.4;
    border-radius:0;
    border-bottom:1px solid rgba(247,243,236,.08);
  }
  .site-nav__link::before{
    left:0;
    top:50%;
    width:3px;
    height:0;
  }
  .site-nav__link[aria-current="page"]{background:rgba(200,16,46,.16)}
  .site-nav__link[aria-current="page"]::before{height:52%}

  .site-nav__cta{
    display:block;
    writing-mode:horizontal-tb;
    text-orientation:mixed;
    margin:14px 0 8px;
    padding:14px;
    font-size:13px;
    text-align:center;
  }

  .rail-meter{
    order:4;
    width:100%;
    height:2px;
    margin-top:10px;
    background:rgba(247,243,236,.14);
  }
  .rail-meter__fill{
    transform:scaleX(var(--p,0));
    transform-origin:left center;
    background:linear-gradient(90deg,var(--gold),var(--red));
  }

  .section{padding-block:52px}
  .section--tight{padding-block:34px}

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

  .footer__top{
    grid-template-columns:repeat(2,minmax(0,1fr));
    padding:48px var(--gutter) 40px;
    gap:36px 32px;
  }
  .footer__brand{grid-column:1 / -1}
  .footer__contact{grid-column:1 / -1}
  .footer__legal{padding:20px var(--gutter) 30px}
}

@media (max-width:640px){
  :root{--gutter:16px}

  .section{padding-block:40px}

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

  .prose{font-size:var(--fs-16)}

  .footer__top{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer__links{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__row{flex-direction:column;gap:2px}
  .footer__row dt{flex:0 0 auto}
  .footer__legal{flex-direction:column;align-items:flex-start;gap:10px}
  .footer__name{font-size:var(--fs-18)}
  .copy-btn{margin-left:0}
}

@keyframes rail-drop{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:translateY(0)}
}

/* ---------- 11. Accessibility / 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;
  }
  [data-reveal][data-reveal-state="pending"]{
    opacity:1;
    transform:none;
  }
}

@media (prefers-contrast:more){
  .site-nav__link{color:#fff}
  .footer__links a{color:#fff}
  .breadcrumbs a{color:var(--ink)}
}