/* =========================================================
   银河站 · 共享样式表 /assets/site.css
   ========================================================= */

:root{
  --ink-void:#050B1F;
  --ink-panel:#0C1533;
  --ink-edge:#22305C;
  --nebula:#7C5CFF;
  --pulse:#2FE0C0;
  --gold:#F6B93B;
  --coral:#FF8A5B;
  --stardust:#EAF0FF;
  --orbit:#8A96BF;
  --white:#FFFFFF;

  --font-display:"Archivo Narrow","Oswald","Songti SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular","Menlo","Consolas","Courier New",monospace;

  --wrap:1200px;
  --line:2px solid var(--ink-edge);
  --shadow-hard:8px 8px 0 rgba(34,48,92,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-section:clamp(3.5rem,8vw,7rem);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:10rem;
}

body{
  margin:0;
  background-color:var(--ink-void);
  color:var(--stardust);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(900px 540px at 10% -8%, rgba(124,92,255,.22), transparent 62%),
    radial-gradient(820px 480px at 92% 2%, rgba(47,224,192,.12), transparent 60%),
    radial-gradient(720px 620px at 50% 112%, rgba(246,185,59,.09), transparent 66%);
}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  font-stretch:condensed;
  letter-spacing:-.02em;
  line-height:1.06;
  color:var(--white);
  margin:0 0 .6em;
  text-wrap:balance;
}
h1{font-size:clamp(2.4rem,6.2vw,3.9rem)}
h2{font-size:clamp(1.75rem,4vw,2.6rem)}
h3{font-size:clamp(1.2rem,2.4vw,1.6rem);letter-spacing:-.01em}
h4{font-size:1.05rem;font-family:var(--font-body);font-weight:700;letter-spacing:.01em;line-height:1.4}

p{margin:0 0 1.05em;max-width:38em;text-wrap:pretty}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.05em;padding-left:1.15em}
li{margin:.25em 0}

a{color:var(--pulse);text-underline-offset:.22em;text-decoration-thickness:1px}
a:hover{color:var(--gold)}

strong{color:var(--white);font-weight:700}
small{font-size:12px;color:var(--orbit)}
img,svg,video{max-width:100%;display:block}
img{height:auto}

::selection{background:var(--nebula);color:#fff}

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

/* ---------- 工具类 ---------- */
.wrap{
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:clamp(.95rem,4vw,2rem);
}
.wrap--narrow{max-width:820px}

.section{padding-block:var(--space-section)}
.section--tight{padding-block:clamp(2rem,5vw,3.5rem)}

.mono{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--orbit);
  font-variant-numeric:tabular-nums;
}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.mono-tag{
  display:inline-flex;
  align-items:center;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--orbit);
  border:1px solid var(--ink-edge);
  padding:.22rem .5rem;
  font-variant-numeric:tabular-nums;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--orbit);
  margin:0 0 .9rem;
  font-variant-numeric:tabular-nums;
}

.grid{display:grid;gap:clamp(1rem,2.6vw,1.75rem)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:1.35fr 1fr}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}

.btn-row{display:flex;flex-wrap:wrap;gap:.7rem}

/* ---------- 面板 ---------- */
.panel{
  position:relative;
  background:var(--ink-panel);
  border:var(--line);
  box-shadow:var(--shadow-hard);
  padding:clamp(1.25rem,3.5vw,2.75rem);
}
.panel + .panel{margin-top:clamp(1.25rem,3vw,2rem)}

.panel__index{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  margin-bottom:.9rem;
}
.panel__index::before{content:"";width:18px;height:2px;background:var(--gold)}

.orbit-line{
  position:relative;
  height:2px;
  border:0;
  margin:clamp(1.5rem,4vw,2.75rem) 0;
  background:linear-gradient(90deg,transparent 0%,var(--ink-edge) 15%,var(--nebula) 50%,var(--ink-edge) 85%,transparent 100%);
}
.orbit-line::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  width:8px;
  height:8px;
  margin:-4px 0 0 -4px;
  background:var(--gold);
  box-shadow:0 0 12px var(--gold);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
  line-height:1;
  padding:.8rem 1.25rem;
  border:2px solid var(--ink-edge);
  background:transparent;
  color:var(--stardust);
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s,background-color .18s,color .18s;
}
.btn:hover{
  color:var(--white);
  border-color:var(--gold);
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 rgba(246,185,59,.28);
}
.btn--primary{background:var(--gold);border-color:var(--gold);color:#160F00}
.btn--primary:hover{background:#FFC95A;border-color:#FFC95A;color:#160F00}
.btn--nebula{background:var(--nebula);border-color:var(--nebula);color:#fff}
.btn--ghost{background:transparent}
.btn--sm{font-size:12.5px;padding:.58rem .95rem}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--orbit);
  margin:0 0 1.5rem;
}
.breadcrumb a{color:var(--orbit);text-decoration:none}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb__sep{color:var(--ink-edge)}

/* ---------- 正文容器 ---------- */
.prose{max-width:38em;font-size:17px;line-height:1.8}
.prose h2{margin-top:1.9em}
.prose h3{margin-top:1.5em}
.prose a{color:var(--pulse);text-decoration:none;border-bottom:2px solid rgba(47,224,192,.4)}
.prose a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.prose blockquote{
  margin:1.6em 0;
  padding:.2em 0 .2em 1.1em;
  border-left:3px solid var(--gold);
  color:var(--orbit);
}
.prose code{
  font-family:var(--font-mono);
  font-size:.88em;
  background:rgba(34,48,92,.55);
  color:var(--pulse);
  padding:.12em .4em;
}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:var(--line);
  background:linear-gradient(150deg,#0C1533 0%,#13204A 48%,#0A1130 100%);
  isolation:isolate;
}
.media-frame::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(124,92,255,.32),transparent 62%),
    radial-gradient(90% 70% at 88% 96%,rgba(47,224,192,.18),transparent 60%);
}
.media-frame::after{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--coral),var(--gold),var(--pulse),var(--nebula));
}
.media-frame img{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--3x4{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame__caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  padding:.45rem .7rem;
  background:rgba(5,11,31,.88);
  border-top:2px solid var(--ink-edge);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--orbit);
}

/* ---------- 显现动效 ---------- */
.js .reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- 手风琴 ---------- */
.accordion{
  border:var(--line);
  background:var(--ink-panel);
  box-shadow:var(--shadow-hard);
}
.accordion__item + .accordion__item{border-top:2px solid var(--ink-edge)}
.accordion__trigger{
  width:100%;
  display:flex;
  align-items:center;
  gap:1rem;
  padding:1rem 1.15rem;
  background:none;
  border:0;
  color:var(--stardust);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:700;
  text-align:left;
  cursor:pointer;
  transition:color .18s,background-color .18s;
}
.accordion__trigger:hover{color:var(--gold);background:rgba(124,92,255,.08)}
.accordion__trigger[aria-expanded="true"]{color:var(--white);background:rgba(246,185,59,.07)}
.accordion__trigger:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.accordion__icon{
  position:relative;
  flex:0 0 auto;
  width:16px;
  height:16px;
  margin-left:auto;
}
.accordion__icon::before,
.accordion__icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--gold);
  transform:translate(-50%,-50%);
}
.accordion__icon::before{width:16px;height:2px}
.accordion__icon::after{width:2px;height:16px;transition:transform .22s var(--ease)}
.accordion__item.is-open .accordion__icon::after{transform:translate(-50%,-50%) scaleY(0)}
.accordion__panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s var(--ease);
}
.accordion__item.is-open .accordion__panel{grid-template-rows:1fr}
.accordion__panel > *{overflow:hidden;min-height:0}
.accordion__inner{padding:0 1.15rem}
.accordion__item.is-open .accordion__inner{padding-bottom:1.15rem}

/* =========================================================
   跳过链接
   ========================================================= */
.skip-link{
  position:absolute;
  left:50%;
  top:-120px;
  transform:translateX(-50%);
  z-index:200;
  background:var(--gold);
  color:#160F00;
  font-weight:700;
  font-size:14px;
  padding:.7rem 1.2rem;
  border:2px solid #000;
  text-decoration:none;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:10px;color:#160F00}

/* =========================================================
   页头
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(5,11,31,.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:2px solid var(--ink-edge);
}

/* 刊头 */
.masthead{border-bottom:1px solid rgba(34,48,92,.7)}
.masthead__inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:.85rem clamp(.95rem,4vw,2rem);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;
  gap:1rem;
}
.masthead__stamp{
  display:flex;
  align-items:center;
  gap:.5rem;
  margin:0;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--orbit);
}
.masthead__dot{
  width:7px;
  height:7px;
  flex:0 0 auto;
  background:var(--pulse);
  box-shadow:0 0 10px var(--pulse);
}

/* 品牌 */
.brand{
  display:grid;
  justify-items:center;
  gap:.16rem;
  padding:0 .5rem;
  text-decoration:none;
  color:inherit;
}
.brand__name{
  font-family:var(--font-display);
  font-weight:700;
  font-stretch:condensed;
  font-size:clamp(1.4rem,3vw,1.9rem);
  letter-spacing:.09em;
  line-height:1;
  color:var(--white);
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.4em;
  text-transform:uppercase;
  color:var(--orbit);
}
.brand::after{
  content:"";
  grid-column:1/-1;
  width:100%;
  height:3px;
  margin-top:.42rem;
  background:linear-gradient(90deg,var(--coral),var(--gold) 32%,var(--pulse) 62%,var(--nebula));
}
.brand--footer{justify-items:start;padding:0;margin-bottom:.9rem}
.brand--footer .brand__name{font-size:1.55rem}
.brand--footer::after{max-width:220px}

/* 四条入口 */
.portals{
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:.4rem;
}
.portals__label{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--orbit);
}
.portals__list{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:.4rem;
  list-style:none;
  margin:0;
  padding:0;
}
.portal{
  display:inline-flex;
  align-items:center;
  gap:.42rem;
  font-size:12px;
  line-height:1;
  padding:.32rem .58rem;
  color:var(--stardust);
  text-decoration:none;
  border:1px solid var(--ink-edge);
  transition:border-color .18s,color .18s,background-color .18s;
}
.portal::before{
  content:"";
  width:7px;
  height:7px;
  flex:0 0 auto;
  background:var(--c,var(--gold));
  box-shadow:0 0 10px var(--c,var(--gold));
}
.portal:hover{color:var(--white);border-color:var(--c,var(--gold));background:rgba(255,255,255,.04)}
.portal--coral{--c:var(--coral)}
.portal--nebula{--c:var(--nebula)}
.portal--pulse{--c:var(--pulse)}
.portal--gold{--c:var(--gold)}

/* 栏目导航 */
.navbar{border-bottom:0}
.navbar__inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:clamp(.95rem,4vw,2rem);
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
}
.site-nav{width:100%}
.site-nav__list{
  display:flex;
  justify-content:center;
  gap:clamp(.4rem,2vw,1.5rem);
  list-style:none;
  margin:0;
  padding:0;
}
.site-nav__list a{
  position:relative;
  display:block;
  padding:.85rem .3rem .95rem;
  font-size:14.5px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--stardust);
  text-decoration:none;
  white-space:nowrap;
  transition:color .18s;
}
.site-nav__list a::after{
  content:"";
  position:absolute;
  left:.3rem;
  right:.3rem;
  bottom:.4rem;
  height:3px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.site-nav__list a:hover{color:var(--white)}
.site-nav__list a:hover::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]{color:var(--white)}
.site-nav__list a[aria-current="page"]::after{transform:scaleX(1)}

/* 移动端栏目按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:space-between;
  gap:.75rem;
  width:100%;
  margin:.4rem 0 .55rem;
  padding:.7rem .9rem;
  background:transparent;
  border:2px solid var(--ink-edge);
  color:var(--stardust);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:border-color .18s,color .18s;
}
.nav-toggle[aria-expanded="true"]{border-color:var(--gold);color:var(--gold)}
.nav-toggle__bars{display:inline-grid;gap:4px;width:20px;flex:0 0 auto}
.nav-toggle__bars i{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* 阅读进度轨道 */
.scroll-rail{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  overflow:hidden;
  background:transparent;
}
.scroll-rail > span{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--coral),var(--gold),var(--pulse),var(--nebula));
  transition:width .12s linear;
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;
  margin-top:clamp(3rem,8vw,6rem);
  border-top:2px solid var(--ink-edge);
  background:linear-gradient(180deg,#060D24 0%,#050B1F 72%);
}
.site-footer__stars{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:.6;
  background-image:
    radial-gradient(1.5px 1.5px at 8% 18%,rgba(234,240,255,.8),transparent 100%),
    radial-gradient(1.5px 1.5px at 26% 62%,rgba(47,224,192,.7),transparent 100%),
    radial-gradient(2px 2px at 44% 12%,rgba(246,185,59,.7),transparent 100%),
    radial-gradient(1.5px 1.5px at 63% 48%,rgba(124,92,255,.85),transparent 100%),
    radial-gradient(1.5px 1.5px at 79% 24%,rgba(234,240,255,.65),transparent 100%),
    radial-gradient(2px 2px at 92% 70%,rgba(255,138,91,.7),transparent 100%);
}
.site-footer__inner{
  position:relative;
  z-index:1;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(2.5rem,6vw,4.5rem) clamp(.95rem,4vw,2rem) 1.5rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr repeat(3,minmax(0,1fr));
  gap:clamp(1.5rem,4vw,3rem);
  align-items:start;
}
.footer-brand__note{
  margin:0;
  max-width:26em;
  font-size:14px;
  color:var(--orbit);
}
.footer-col__title{
  margin:0 0 .9rem;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--gold);
}
.footer-col__list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
.footer-col__list a{
  display:inline-flex;
  align-items:center;
  font-size:14px;
  color:var(--stardust);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s,border-color .18s;
}
.footer-col__list a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.dot{
  display:inline-block;
  width:7px;
  height:7px;
  margin-right:.55rem;
  flex:0 0 auto;
  background:var(--c,var(--gold));
  box-shadow:0 0 8px var(--c,var(--gold));
}
.dot--coral{--c:var(--coral)}
.dot--nebula{--c:var(--nebula)}
.dot--pulse{--c:var(--pulse)}
.dot--gold{--c:var(--gold)}
.dot--orbit{--c:var(--orbit)}

.footer-contact{
  display:grid;
  gap:1.15rem;
  margin-top:clamp(2rem,5vw,3rem);
  padding-top:clamp(1.25rem,3vw,2rem);
  border-top:2px solid var(--ink-edge);
}
.footer-contact__title{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--orbit);
}
.footer-contact__list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(215px,1fr));
  gap:.7rem 2rem;
  margin:0;
}
.footer-contact__list div{display:flex;align-items:baseline;gap:.6rem}
.footer-contact__list dt{
  flex:0 0 auto;
  min-width:3em;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--orbit);
}
.footer-contact__list dd{
  margin:0;
  font-size:14px;
  color:var(--stardust);
  word-break:break-word;
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem 1.75rem;
  align-items:center;
  justify-content:space-between;
  margin-top:clamp(1.75rem,4vw,2.5rem);
  padding-top:1.15rem;
  border-top:1px solid rgba(34,48,92,.75);
}
.footer-bottom__note{margin:0;font-size:13px;color:var(--orbit)}
.footer-bottom__note a{
  color:var(--gold);
  text-decoration:none;
  border-bottom:2px solid var(--gold);
}
.footer-bottom__note a:hover{color:var(--white);border-bottom-color:var(--white)}
.footer-bottom__legal{
  margin:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--orbit);
  font-variant-numeric:tabular-nums;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
  .site-nav__list{gap:.35rem}
  .site-nav__list a{font-size:13.5px}
}

@media (max-width:880px){
  .masthead__inner{
    grid-template-columns:minmax(0,1fr);
    justify-items:center;
    gap:.55rem;
    padding-top:.75rem;
    padding-bottom:.85rem;
  }
  .brand{order:1}
  .masthead__stamp{order:2;justify-content:center}
  .portals{order:3;align-items:center}
  .portals__list{justify-content:center}

  .navbar__inner{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    min-height:0;
  }
  .nav-toggle{display:flex}
  .site-nav{display:none}
  .site-nav[data-open]{display:block}
  .site-nav__list{
    flex-direction:column;
    gap:0;
    border-top:2px solid var(--ink-edge);
    padding-bottom:.6rem;
  }
  .site-nav__list a{
    padding:.85rem .25rem .85rem .75rem;
    border-bottom:1px solid rgba(34,48,92,.7);
    white-space:normal;
  }
  .site-nav__list a::after{display:none}
  .site-nav__list a[aria-current="page"]{
    color:var(--gold);
    border-left:3px solid var(--gold);
  }
}

@media (max-width:640px){
  .grid--2,
  .grid--3,
  .grid--asym{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .masthead__stamp{font-size:9.5px;letter-spacing:.2em}
  .portal{font-size:11.5px;padding:.28rem .5rem}
  .panel{box-shadow:6px 6px 0 rgba(34,48,92,.85)}
  .footer-bottom{justify-content:flex-start}
}

/* =========================================================
   动效降级
   ========================================================= */
@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 .reveal{opacity:1;transform:none}
  .scroll-rail > span{transition:none}
  .btn:hover{transform:none}
}