/* ===========================================================
   /assets/site.css — 百乐门棋牌 全站共享样式
   =========================================================== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,details,summary{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit}
table{border-collapse:collapse;width:100%}

:root{
  /* 矿物色体系 */
  --walnut:#2A1A12;
  --walnut-deep:#1E120C;
  --ink-green:#16382E;
  --ink-green-deep:#0F2A22;
  --carbon:#0C0A09;
  --cream:#F3EBDD;
  --gold:#D9B36C;
  --magenta:#FF4D94;
  --teal:#57D6C4;
  --terracotta:#B96A45;
  --muted:#C9BFB0;
  --stone:#6E675E;

  --line:rgba(217,179,108,.26);
  --line-soft:rgba(217,179,108,.14);
  --ink-on-magenta:#150A10;

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",simSun,serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --ease:cubic-bezier(.22,1,.36,1);
  --dur:220ms;

  --shell:1280px;
  --pad:64px;
  --rail-h:34px;
  --bar-h:78px;
  --header-h:calc(var(--rail-h) + var(--bar-h));
}

/* ---------- 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--cream);
  background-color:var(--walnut);
  background-image:
    radial-gradient(rgba(243,235,221,.035) 1px,transparent 1px),
    radial-gradient(rgba(217,179,108,.05) 1px,transparent 1px);
  background-size:3px 3px,7px 7px;
  background-position:0 0,2px 3px;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4,.t-display,.t-h2,.t-h3{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1.12;
  color:var(--cream);
}
.t-display{font-size:clamp(44px,7vw,112px);line-height:1.04}
.t-h2{font-size:clamp(30px,4.2vw,56px);line-height:1.1}
.t-h3{font-size:clamp(20px,2.4vw,28px);line-height:1.25}
.t-lead{font-size:clamp(16px,1.6vw,19px);line-height:1.8;color:var(--muted);max-width:62ch}
.t-mono{font-family:var(--font-mono);font-weight:500;letter-spacing:.02em}
.t-index{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  line-height:1.4;
}

::selection{background:var(--magenta);color:var(--ink-on-magenta)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}

/* ---------- 布局工具 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--pad)}
#main-content{padding-top:var(--header-h)}
.band{position:relative;padding:clamp(56px,8vw,132px) 0}
.band--green{background:linear-gradient(180deg,rgba(22,56,46,.94),rgba(15,42,34,.94))}
.band--carbon{background:var(--carbon)}
.band--paper{background:var(--cream);color:#241A12}
.band--paper h2,.band--paper h3,.band--paper .t-display{color:#241A12}
.band--paper .t-lead,.band--paper p{color:#4A3B2C}
.band--paper .t-index,.band--paper .section-label{color:#8A6A2E}

.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(16px,2vw,28px)}
.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}
.sticky-anchor{position:sticky;top:calc(var(--header-h) + 24px)}

.section-label{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);line-height:1.4;
}
.section-label::before{
  content:"";width:6px;height:6px;flex:none;border-radius:50%;
  background:var(--magenta);box-shadow:0 0 10px rgba(255,77,148,.85);
}
.rule{height:1px;border:0;background:var(--line);box-shadow:0 0 12px rgba(217,179,108,.16)}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:2px;
  font-family:var(--font-body);font-size:14px;font-weight:500;letter-spacing:.06em;
  text-decoration:none;border:1px solid var(--line);color:var(--cream);
  background:transparent;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             transform var(--dur) var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--magenta);border-color:var(--magenta);color:var(--ink-on-magenta);font-weight:500}
.btn--primary:hover{background:#FF6BA4;border-color:#FF6BA4;box-shadow:0 0 22px rgba(255,77,148,.45)}
.btn--ghost{border-color:rgba(217,179,108,.45);color:var(--gold)}
.btn--ghost:hover{border-color:var(--gold);color:var(--cream);box-shadow:0 0 18px rgba(217,179,108,.22)}
.btn--quiet{border-color:transparent;padding-inline:4px;color:var(--gold)}
.btn--quiet:hover{color:var(--cream);transform:none}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:2px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;line-height:1.6;
  text-transform:uppercase;
  color:var(--gold);border:1px solid rgba(217,179,108,.4);background:rgba(217,179,108,.06);
}
.tag--terracotta{background:var(--terracotta);border-color:var(--terracotta);color:var(--cream)}
.tag--teal{background:rgba(87,214,196,.08);border-color:rgba(87,214,196,.45);color:var(--teal)}
.tag--magenta{background:rgba(255,77,148,.08);border-color:rgba(255,77,148,.5);color:var(--magenta)}

/* ---------- 档案卡 ---------- */
.archive-card{
  position:relative;
  background:linear-gradient(160deg,rgba(22,56,46,.96),rgba(15,42,34,.96));
  border:1px solid var(--line);border-radius:2px;
  padding:clamp(20px,2.6vw,32px);
  box-shadow:6px 6px 0 rgba(12,10,9,.55);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.archive-card:hover{
  transform:translateY(-1px);
  border-color:rgba(217,179,108,.62);
  box-shadow:6px 6px 0 rgba(12,10,9,.55),0 0 0 1px rgba(217,179,108,.28),0 0 26px rgba(217,179,108,.14);
}
.archive-card > .t-index{display:block;margin-bottom:10px}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;border-radius:2px;
  aspect-ratio:16/10;
  background:linear-gradient(160deg,#16382E 0%,#2A1A12 100%);
  border:1px solid var(--line);
}
.media-frame img,.media-frame picture,.media-frame picture img{width:100%;height:100%;display:block}
.media-frame img{object-fit:cover;filter:saturate(.95) contrast(1.05)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(12,10,9,0) 42%,rgba(12,10,9,.62) 100%);
  box-shadow:inset 0 0 70px rgba(12,10,9,.72);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--glow{
  box-shadow:0 0 0 1px rgba(255,77,148,.2),0 22px 48px -28px rgba(255,77,148,.55);
}

/* ---------- 目录索引 ---------- */
.index-list{display:grid;border-top:1px solid var(--line)}
.index-item{
  display:flex;gap:20px;align-items:baseline;
  padding:18px 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--cream);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.index-item:hover{color:var(--gold);padding-left:8px}
.index-num{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--magenta);min-width:34px}
.index-title{font-family:var(--font-display);font-weight:900;font-size:clamp(19px,2.2vw,26px);line-height:1.25}
.index-desc{margin-left:auto;max-width:34ch;text-align:right;font-size:13px;line-height:1.6;color:var(--muted)}

/* ---------- 粘性目录 ---------- */
.toc{display:grid;gap:2px}
.toc-list{display:grid;gap:2px}
.toc-link{
  display:flex;gap:12px;align-items:baseline;
  padding:9px 0 9px 14px;border-left:2px solid transparent;
  font-size:14px;line-height:1.5;color:var(--muted);text-decoration:none;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.toc-link:hover{color:var(--cream);border-left-color:rgba(217,179,108,.5)}
.toc-link[aria-current="true"]{color:var(--cream);border-left-color:var(--magenta);background:rgba(255,77,148,.06)}
.toc-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--gold);min-width:26px}

/* ---------- 可展开内容组 ---------- */
.expand{
  border:1px solid var(--line);border-radius:2px;
  background:rgba(22,56,46,.42);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.expand + .expand{margin-top:12px}
.expand summary{
  display:flex;align-items:center;gap:14px;
  padding:16px 20px;cursor:pointer;list-style:none;
  font-weight:500;font-size:16px;color:var(--cream);
  transition:background var(--dur) var(--ease);
}
.expand summary::-webkit-details-marker{display:none}
.expand summary::after{
  content:"+";margin-left:auto;font-family:var(--font-mono);
  font-size:17px;color:var(--magenta);line-height:1;
}
.expand[open] summary::after{content:"–"}
.expand summary:hover{background:rgba(255,77,148,.07)}
.expand[open]{border-color:rgba(255,77,148,.5);background:rgba(22,56,46,.66)}
.expand-body{position:relative;padding:0 20px 20px 20px;color:var(--muted);font-size:15px;line-height:1.8}
.expand-body::before{
  content:"";position:absolute;left:0;top:6px;bottom:18px;width:2px;
  background:var(--magenta);box-shadow:0 0 10px rgba(255,77,148,.6);
  opacity:0;transition:opacity var(--dur) var(--ease);
}
.expand[open] .expand-body::before{opacity:1}

/* ---------- 正文长文 ---------- */
.prose{max-width:68ch;font-size:16px;line-height:1.85;color:var(--cream)}
.prose p{margin-block:1.2em}
.prose h2,.prose h3{font-family:var(--font-display);font-weight:900;margin-top:2em;margin-bottom:.6em}
.prose h2{font-size:clamp(24px,2.6vw,32px)}
.prose h3{font-size:20px}
.prose ul,.prose ol{padding-left:0;list-style:none;margin-block:1em}
.prose li{position:relative;padding-left:22px;margin-block:.55em}
.prose li::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:1px;background:var(--gold)}
.prose a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(217,179,108,.45)}
.prose a:hover{color:var(--cream);border-bottom-color:var(--cream)}
.prose strong{color:var(--cream);font-weight:500}
.band--paper .prose{color:#241A12}
.band--paper .prose strong{color:#241A12}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
}
.breadcrumb li{display:flex;align-items:center;gap:10px;color:var(--muted)}
.breadcrumb li + li::before{content:"/";color:var(--stone)}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color var(--dur) var(--ease)}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--gold)}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:200;
  padding:12px 20px;border-radius:2px;
  background:var(--gold);color:var(--ink-on-magenta);
  font-size:14px;font-weight:500;text-decoration:none;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:12px}

/* ===========================================================
   头部
   =========================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:90;
  background:transparent;
  border-bottom:1px solid transparent;
  color:var(--cream);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),
             backdrop-filter var(--dur) var(--ease);
}
.site-header[data-scrolled="true"]{
  background:rgba(12,10,9,.94);
  border-bottom-color:var(--gold);
  backdrop-filter:blur(10px) saturate(120%);
}

.header-rail{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding-inline:var(--pad);height:var(--rail-h);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--muted);
  border-bottom:1px solid var(--line-soft);
}
.rail-status{display:inline-flex;align-items:center;gap:8px;color:var(--teal);white-space:nowrap}
.rail-dot{
  width:6px;height:6px;flex:none;border-radius:50%;
  background:var(--teal);box-shadow:0 0 8px var(--teal);
}
.rail-meta{display:inline-flex;align-items:center;gap:18px;color:var(--muted);white-space:nowrap}
.rail-meta-item{display:inline-flex;align-items:center;gap:18px}
.rail-meta-item + .rail-meta-item::before{content:"·";color:var(--gold);margin-right:0}

.header-inner{
  position:relative;z-index:4;
  display:flex;align-items:center;justify-content:space-between;gap:clamp(16px,3vw,40px);
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:14px var(--pad);min-height:var(--bar-h);
}

.brand{display:flex;flex-direction:column;gap:5px;text-decoration:none;color:var(--cream);flex:none}
.brand-mark{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(21px,2.2vw,27px);line-height:1;letter-spacing:.06em;
  text-shadow:0 0 26px rgba(255,77,148,.22);
}
.brand-sub{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;
  color:var(--gold);line-height:1.4;
}
.brand:hover .brand-mark{color:var(--gold)}

.site-nav{display:flex;align-items:center;gap:clamp(12px,2vw,28px)}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;gap:7px;
  padding:10px 12px;border-radius:2px;
  font-size:14px;line-height:1.4;letter-spacing:.04em;
  color:var(--muted);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link:hover{color:var(--cream);background:rgba(243,235,221,.05)}
.nav-link[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold)}
.nav-link[aria-current="page"]::before{
  content:"";width:5px;height:5px;flex:none;border-radius:50%;
  background:var(--magenta);box-shadow:0 0 10px rgba(255,77,148,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.nav-note{
  display:none;
  font-family:var(--font-mono);font-size:11px;line-height:1.7;letter-spacing:.08em;
  color:var(--muted);
}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;flex:none;position:relative;z-index:6;
  border:1px solid var(--line);border-radius:2px;
  color:var(--cream);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);background:rgba(217,179,108,.08)}
.nav-toggle-text{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;background:currentColor;
  transition:background var(--dur) var(--ease)}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
  transition:transform var(--dur) var(--ease),top var(--dur) var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg);background:var(--magenta)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg);background:var(--magenta)}

.nav-scrim{
  position:fixed;inset:0;z-index:1;
  background:rgba(12,10,9,.74);
  opacity:0;pointer-events:none;
  transition:opacity var(--dur) var(--ease);
}
.site-header[data-open="true"] .nav-scrim{opacity:1;pointer-events:auto}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(217,179,108,.14);
  overflow:hidden;pointer-events:none;
}
.scroll-progress-fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--magenta),var(--gold));
  box-shadow:0 0 10px rgba(255,77,148,.6);
}

/* ===========================================================
   页脚
   =========================================================== */
.site-footer{
  background:var(--carbon);
  border-top:1px solid rgba(217,179,108,.35);
  padding-top:clamp(44px,6vw,80px);
  color:var(--muted);
}
.footer-top{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:0 var(--pad) clamp(38px,5vw,64px);
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:clamp(22px,3vw,48px);
  align-items:start;
}
.footer-brand{display:grid;gap:0}
.footer-logo{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(22px,2.2vw,27px);line-height:1.1;letter-spacing:.06em;
  color:var(--cream);text-decoration:none;
}
.footer-logo:hover{color:var(--gold)}
.footer-tagline{margin-top:14px;max-width:28ch;font-size:14px;line-height:1.8;color:var(--muted)}
.footer-domain{
  margin-top:16px;font-family:var(--font-mono);
  font-size:12px;letter-spacing:.14em;color:var(--gold);
}

.footer-group-title{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:12px;border-bottom:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);line-height:1.4;list-style:none;cursor:default;
}
.footer-group-title::-webkit-details-marker{display:none}
.footer-group-title::after{content:"+";color:var(--magenta);font-size:15px;line-height:1;display:none}
.footer-group-body{padding-top:16px}
.footer-links{display:grid;gap:10px}
.footer-link{
  font-size:14px;line-height:1.6;color:var(--muted);text-decoration:none;
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-link:hover{color:var(--gold);padding-left:4px}

.footer-contact{display:grid;gap:14px}
.footer-contact-item{display:grid;gap:3px}
.footer-contact-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);opacity:.82;
}
.footer-contact-value{font-size:14px;line-height:1.6;color:var(--cream);word-break:break-word}
.footer-note{margin-top:16px;max-width:32ch;font-size:12px;line-height:1.75;color:var(--muted);opacity:.86}

.footer-bottom{
  width:100%;max-width:var(--shell);margin-inline:auto;
  padding:20px var(--pad) 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 24px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;line-height:1.7;
  color:var(--muted);opacity:.85;
}
.footer-icp,.footer-copy{margin:0}

/* ===========================================================
   动效与显现
   =========================================================== */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity 260ms var(--ease),transform 260ms var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:no-preference){
  .rail-dot{animation:railPulse 3.2s var(--ease) infinite}
}
@keyframes railPulse{
  0%,100%{opacity:1;box-shadow:0 0 8px var(--teal)}
  50%{opacity:.45;box-shadow:0 0 2px var(--teal)}
}

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width:1100px){
  :root{--pad:40px}
}

@media (max-width:1024px){
  .grid-12{grid-template-columns:repeat(6,1fr)}
  .col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:1 / -1}
  .sticky-anchor{position:static;top:auto}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .index-desc{display:none}
}

@media (max-width:900px){
  :root{
    --pad:20px;
    --rail-h:0px;
    --bar-h:68px;
  }
  .header-rail{display:none}
  #main-content{padding-top:var(--header-h)}

  .nav-toggle{display:inline-flex}

  .site-nav{
    position:fixed;top:0;right:0;bottom:0;z-index:3;
    width:min(380px,88vw);
    display:flex;flex-direction:column;align-items:stretch;gap:18px;
    padding:calc(var(--header-h) + 24px) 24px 32px;
    background:linear-gradient(180deg,#122E26 0%,#0C0A09 100%);
    border-left:1px solid var(--gold);
    box-shadow:-28px 0 70px rgba(0,0,0,.65);
    transform:translateX(102%);
    visibility:hidden;
    overflow-y:auto;
    overscroll-behavior:contain;
    transition:transform 260ms var(--ease),visibility 0s linear 260ms;
  }
  .site-nav[data-open="true"]{
    transform:translateX(0);
    visibility:visible;
    transition:transform 260ms var(--ease),visibility 0s linear 0s;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;width:100%}
  .nav-item + .nav-item{border-top:1px solid var(--line-soft)}
  .nav-link{
    width:100%;padding:14px 4px;font-size:17px;letter-spacing:.06em;
    border-bottom:0;
  }
  .nav-link[aria-current="page"]{border-bottom:0;background:rgba(255,77,148,.07)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;width:100%}
  .nav-actions .btn{width:100%;padding:14px 20px}
  .nav-note{display:block}

  body.is-nav-open{overflow:hidden}

  .t-display{font-size:clamp(36px,10vw,56px)}

  .footer-top{grid-template-columns:1fr;padding-bottom:32px;gap:0}
  .footer-brand{padding-bottom:26px}
  .footer-group{border-top:1px solid var(--line-soft)}
  .footer-group-title{padding:16px 0;border-bottom:0;cursor:pointer}
  .footer-group-title::after{display:block}
  .footer-group[open] .footer-group-title::after{content:"–"}
  .footer-group-body{padding:0 0 22px}
  .footer-note{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (max-width:680px){
  .grid-12{grid-template-columns:1fr}
  .band{padding:56px 0}
  .brand-sub{letter-spacing:.14em;font-size:9px}
  .index-item{flex-wrap:wrap;gap:8px 16px}
  .index-title{font-size:20px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  [data-reveal]{opacity:1!important;transform:none!important}
  .rail-dot{animation:none!important}
  .btn:hover,.archive-card:hover,.index-item:hover{transform:none!important}
  .footer-link:hover{padding-left:0!important}
}