/* =====================================================================
   必发赛场 /assets/site.css
   深墨绿底 · 荧光青 · 暖橙 · 金属灰 · 暖纸色
   展览画册骨架 + 战术板仪表
   ===================================================================== */

:root{
  --ink:#071A16;
  --panel:#0E2A22;
  --paper:#F2E8D6;
  --cyan:#57F5D2;
  --orange:#FF7A33;
  --metal:#8A9691;
  --card:#FFF9EF;
  --brown:#3A2F24;
  --alert:#FF5F52;
  --mist:#B8F0E4;

  --line:rgba(138,150,145,.26);
  --line-strong:rgba(138,150,145,.46);

  --rail-w:72px;
  --gutter:clamp(20px,4vw,56px);
  --shell-max:1240px;

  --ease:cubic-bezier(.22,.68,.28,1);

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

  color-scheme:dark;
}

/* ---------------- 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{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video,canvas{display:block;max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:inherit;text-decoration:none;}
table{width:100%;border-collapse:collapse;}
hr{border:0;}

/* ---------------- base ---------------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.015em;
}
h1{font-size:clamp(36px,5.4vw,68px);}
h2{font-size:clamp(26px,3.2vw,38px);}
h3{font-size:clamp(20px,2.2vw,25px);}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
:focus:not(:focus-visible){outline:none;}
::selection{background:var(--cyan);color:var(--ink);}

/* ---------------- utilities ---------------- */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(44px,6.5vw,104px);}
.rule{height:1px;background:var(--line);}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{
  content:"";
  width:10px;height:10px;
  background:var(--orange);
  flex:0 0 auto;
}
.sr-only{
  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;
}

/* ---------------- skip link ---------------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:200;
  padding:12px 20px;
  background:var(--cyan);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  transform:translateY(-200%);
  transition:transform .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0);}

/* =====================================================================
   头部：72px 侧边轨道
   ===================================================================== */
.site-header{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--rail-w);
  z-index:80;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:16px 0 14px;
  background:linear-gradient(180deg,#0A211C 0%,#071A16 44%,#06150F 100%);
  border-right:1px solid var(--line);
}

.scroll-progress{
  position:fixed;
  top:0;
  left:var(--rail-w);
  right:0;
  height:2px;
  z-index:95;
  background:rgba(138,150,145,.14);
  pointer-events:none;
}
.scroll-progress-bar{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--mist) 55%,var(--orange) 100%);
}

/* 品牌 */
.brand{
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.brand-mark{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--font-display);
  font-weight:800;
  font-size:16px;
  letter-spacing:.24em;
  line-height:1.1;
  padding:12px 7px;
  color:var(--paper);
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(87,245,210,.18) 0%,rgba(7,26,22,0) 72%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.brand:hover .brand-mark{color:var(--cyan);border-color:var(--cyan);}
.brand-tag{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:8px;
  letter-spacing:.3em;
  color:var(--metal);
}

/* 批次状态灯 */
.rail-status{
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}
.status-lamp{
  width:8px;height:8px;
  background:var(--cyan);
  box-shadow:0 0 0 3px rgba(87,245,210,.14),0 0 14px rgba(87,245,210,.65);
  animation:lampPulse 3.4s var(--ease) infinite;
}
.rail-status-text{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.16em;
  color:var(--metal);
}
@keyframes lampPulse{
  0%,100%{opacity:1;}
  50%{opacity:.32;}
}

/* 移动端菜单按钮（桌面隐藏） */
.nav-toggle{
  display:none;
  position:relative;
  z-index:76;
  flex:0 0 auto;
  width:44px;height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:0;
  background:transparent;
  border:1px solid var(--line-strong);
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle-bar{
  display:block;
  width:18px;height:2px;
  background:currentColor;
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle[aria-expanded="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--ink);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(3.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-3.5px) rotate(-45deg);}

/* 导航（桌面竖向刻度） */
.site-nav{
  flex:1 1 auto;
  min-height:0;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow-y:auto;
  scrollbar-width:none;
}
.site-nav::-webkit-scrollbar{display:none;}

.nav-head{display:none;}
.nav-head-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--metal);}
.nav-head-meta{font-size:10px;color:var(--orange);}

.nav-list{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:0;
  width:100%;
}
.nav-item{
  display:flex;
  justify-content:center;
  width:100%;
}
.nav-link{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  width:52px;
  padding:6px 0;
  color:var(--metal);
  border:1px solid transparent;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-idx{
  font-family:var(--font-mono);
  font-size:9px;
  line-height:1;
  letter-spacing:.1em;
  color:var(--orange);
}
.nav-label{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:11px;
  line-height:1.15;
  letter-spacing:.14em;
}
.nav-link:hover{
  color:var(--mist);
  background:rgba(87,245,210,.08);
  border-color:rgba(87,245,210,.32);
}
.nav-link[aria-current="page"]{
  color:var(--ink);
  background:var(--cyan);
  border-color:var(--cyan);
}
.nav-link[aria-current="page"] .nav-idx{color:var(--ink);opacity:.7;}
.nav-link[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:-9px;top:50%;
  width:4px;height:4px;
  background:var(--orange);
  transform:translateY(-50%);
}

.rail-version{
  flex:0 0 auto;
  font-size:9px;
  letter-spacing:.12em;
  color:var(--metal);
  padding:4px 0;
}

/* 悬浮双入口 */
.action-dock{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:96;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:8px;
}
.dock-version{
  display:flex;
  align-items:center;
  gap:8px;
  padding:5px 8px;
  background:rgba(7,26,22,.86);
  border:1px solid var(--line);
  font-size:10px;
  letter-spacing:.12em;
  color:var(--metal);
}
.copy-btn{
  padding:2px 7px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--metal);
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.copy-btn:hover{color:var(--cyan);border-color:var(--cyan);}
.copy-btn[data-state="done"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink);}

.dock-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:132px;
  padding:13px 22px;
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  border:1px solid transparent;
  clip-path:polygon(0 0,100% 0,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.dock-btn--check{
  background:var(--cyan);
  color:var(--ink);
  box-shadow:0 12px 26px rgba(87,245,210,.18);
}
.dock-btn--check:hover{background:var(--mist);}
.dock-btn--visit{
  background:rgba(14,42,34,.94);
  color:var(--paper);
  border-color:rgba(255,122,51,.6);
}
.dock-btn--visit:hover{background:var(--orange);color:var(--ink);border-color:var(--orange);}

/* =====================================================================
   页脚
   ===================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  padding:clamp(36px,5vw,72px) var(--gutter) 0;
  background:var(--ink);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:clamp(120px,22vw,280px);
  height:3px;
  background:linear-gradient(90deg,var(--cyan) 0%,var(--orange) 100%);
}
.site-footer::after{
  content:"";
  position:absolute;
  right:0;bottom:0;
  width:min(460px,62%);
  height:100%;
  background:repeating-linear-gradient(135deg,rgba(87,245,210,.06) 0 1px,transparent 1px 22px);
  pointer-events:none;
}

.footer-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.5fr .8fr 1.1fr;
  gap:clamp(24px,4vw,64px);
  padding-bottom:clamp(28px,4vw,48px);
  border-bottom:1px solid var(--line);
}
.footer-brand{min-width:0;}
.footer-logo{
  display:inline-block;
  font-family:var(--font-display);
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  letter-spacing:.06em;
  color:var(--paper);
  transition:color .2s var(--ease);
}
.footer-logo:hover{color:var(--cyan);}
.footer-note{
  margin-top:14px;
  max-width:24em;
  font-size:14px;
  line-height:1.8;
  color:var(--metal);
}
.footer-batch{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}
.footer-batch .mono{
  padding:4px 8px;
  border:1px solid var(--line-strong);
}
.footer-sep{
  display:inline-block;
  width:16px;height:1px;
  background:var(--orange);
}

.footer-nav{min-width:0;}
.footer-col-title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.2em;
  color:var(--metal);
}
.footer-nav-list{display:flex;flex-direction:column;gap:10px;}
.footer-nav-list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 0;
  font-size:15px;
  color:var(--paper);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-nav-list a::before{
  content:"";
  width:6px;height:6px;
  background:var(--orange);
  opacity:.75;
  flex:0 0 auto;
  transition:background-color .2s var(--ease),opacity .2s var(--ease);
}
.footer-nav-list a:hover{color:var(--cyan);border-color:rgba(87,245,210,.4);}
.footer-nav-list a:hover::before{background:var(--cyan);opacity:1;}

.footer-contact-wrap{min-width:0;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.footer-contact-row{
  display:grid;
  grid-template-columns:5.5em minmax(0,1fr);
  gap:10px;
  align-items:baseline;
  padding-bottom:10px;
  border-bottom:1px dashed rgba(138,150,145,.2);
}
.footer-contact-row dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--metal);
}
.footer-contact-row dd{margin:0;color:var(--paper);word-break:break-all;}

.footer-base{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 20px;
  padding:18px 0 26px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--metal);
}
.footer-base span{display:inline-flex;align-items:center;}
.footer-base span + span::before{
  content:"";
  display:inline-block;
  width:4px;height:4px;
  margin-right:20px;
  background:var(--line-strong);
}

/* =====================================================================
   共享组件
   ===================================================================== */

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--paper);
  background:transparent;
  border:1px solid var(--line-strong);
  cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--cyan);color:var(--ink);border-color:var(--cyan);}
.btn--primary:hover{background:var(--mist);border-color:var(--mist);}
.btn--ghost{background:transparent;color:var(--paper);}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);}
.btn--ink{background:var(--brown);color:var(--card);border-color:var(--brown);}
.btn--ink:hover{background:#4A3C2E;border-color:#4A3C2E;}

/* 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--metal);
  border:1px solid var(--line-strong);
}
.tag--cyan{background:var(--cyan);border-color:var(--cyan);color:var(--ink);}
.tag--orange{background:var(--orange);border-color:var(--orange);color:var(--ink);}
.tag--alert{background:var(--alert);border-color:var(--alert);color:var(--card);}

/* 网格 */
.grid{display:grid;gap:clamp(16px,2vw,28px);}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr));}
.span-3{grid-column:span 3;}
.span-4{grid-column:span 4;}
.span-5{grid-column:span 5;}
.span-6{grid-column:span 6;}
.span-7{grid-column:span 7;}
.span-8{grid-column:span 8;}
.span-9{grid-column:span 9;}
.span-12{grid-column:span 12;}

/* 卡片 */
.card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  background:var(--panel);
  border:1px solid var(--line);
}
.card--paper{
  background:var(--paper);
  color:var(--brown);
  border-color:rgba(58,47,36,.18);
}

/* 图片容器 */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  background:linear-gradient(135deg,#0E2A22 0%,#071A16 58%,#10352B 100%);
  border:1px solid var(--line);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 28px),calc(100% - 28px) 100%,0 100%);
}
.media-frame img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.06);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(184,240,228,.07) 0 1px,transparent 1px 48px),
    linear-gradient(180deg,rgba(7,26,22,0) 52%,rgba(7,26,22,.78) 100%);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame--square{aspect-ratio:1 / 1;}
.media-frame__caption{
  position:absolute;
  left:14px;bottom:12px;
  z-index:2;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mist);
}

/* 面包屑 */
.breadcrumbs{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--metal);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumbs li{display:inline-flex;align-items:center;}
.breadcrumbs li::after{content:"/";margin-left:8px;color:rgba(138,150,145,.5);}
.breadcrumbs li:last-child::after{content:"";margin:0;}
.breadcrumbs a{color:var(--metal);transition:color .2s var(--ease);}
.breadcrumbs a:hover{color:var(--cyan);}
.breadcrumbs [aria-current="page"]{color:var(--paper);}

/* 正文 */
.prose{
  max-width:42em;
  font-size:17px;
  line-height:1.78;
  color:var(--paper);
}
.prose--paper{color:var(--brown);}
.prose h2{margin-top:1.6em;margin-bottom:.6em;}
.prose h3{margin-top:1.4em;margin-bottom:.5em;}
.prose p + p{margin-top:1em;}
.prose ul,.prose ol{margin-top:1em;padding-left:1.4em;list-style:disc;}
.prose ol{list-style:decimal;}
.prose li + li{margin-top:.4em;}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(87,245,210,.45);}

/* 滚动显现 */
html.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
html.reveal-ready [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* =====================================================================
   响应式：平板与手机
   ===================================================================== */
@media (max-width:959px){
  body{padding-bottom:64px;}

  .site-header{
    position:sticky;
    top:0;left:auto;bottom:auto;
    width:100%;
    height:auto;
    min-height:58px;
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:12px;
    padding:8px 14px;
    background:#071A16;
    border-right:0;
    border-bottom:1px solid var(--line);
  }
  .scroll-progress{left:0;}

  .brand{flex-direction:row;align-items:center;gap:8px;}
  .brand-mark{
    writing-mode:horizontal-tb;
    text-orientation:initial;
    font-size:15px;
    letter-spacing:.12em;
    padding:6px 10px;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%);
  }
  .brand-tag{writing-mode:horizontal-tb;font-size:8px;letter-spacing:.2em;}

  .rail-status{flex-direction:row;align-items:center;gap:6px;}
  .rail-status-text{writing-mode:horizontal-tb;font-size:9px;letter-spacing:.08em;}

  .rail-version{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}

  .site-nav{
    position:fixed;
    inset:0;
    z-index:70;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    width:100%;
    height:100%;
    max-height:none;
    padding:84px 20px 104px;
    background-color:#071A16;
    background-image:repeating-linear-gradient(90deg,rgba(184,240,228,.05) 0 1px,transparent 1px 56px);
    overflow-y:auto;
    transform:translateY(-100%);
    visibility:hidden;
    opacity:0;
    transition:transform .32s var(--ease),opacity .3s var(--ease),visibility .32s var(--ease);
  }
  .site-nav[data-open]{
    transform:translateY(0);
    visibility:visible;
    opacity:1;
  }
  .nav-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:12px;
    margin-bottom:6px;
    border-bottom:1px solid var(--line);
  }
  .nav-list{width:100%;align-items:stretch;}
  .nav-item{width:auto;justify-content:flex-start;}
  .nav-link{
    flex-direction:row;
    align-items:center;
    justify-content:flex-start;
    gap:14px;
    width:100%;
    padding:16px 2px;
    border:0;
    border-bottom:1px solid var(--line);
  }
  .nav-idx{font-size:11px;}
  .nav-label{
    writing-mode:horizontal-tb;
    text-orientation:initial;
    font-size:17px;
    letter-spacing:.06em;
    color:var(--paper);
  }
  .nav-link:hover{background:rgba(87,245,210,.08);border-color:var(--line);}
  .nav-link[aria-current="page"]{
    background:rgba(87,245,210,.14);
    color:var(--cyan);
    border-color:var(--line);
  }
  .nav-link[aria-current="page"] .nav-label{color:var(--cyan);}
  .nav-link[aria-current="page"] .nav-idx{color:var(--orange);opacity:1;}
  .nav-link[aria-current="page"]::before{
    left:0;top:0;
    width:3px;height:100%;
    transform:none;
  }

  .action-dock{
    left:0;right:0;bottom:0;
    flex-direction:row;
    align-items:stretch;
    gap:0;
    border-top:1px solid var(--line);
    background:var(--ink);
    box-shadow:0 -10px 28px rgba(0,0,0,.38);
  }
  .dock-version{display:none;}
  .dock-btn{
    flex:1 1 50%;
    min-width:0;
    padding:15px 8px;
    font-size:14px;
    clip-path:none;
    box-shadow:none;
  }
  .dock-btn--check{border-right:1px solid rgba(7,26,22,.32);}
  .dock-btn--visit{border:0;}

  html.is-nav-open,
  html.is-nav-open body{overflow:hidden;}
}

@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr));}
  .span-7,.span-8,.span-9,.span-12{grid-column:span 6;}
  .span-3,.span-4,.span-5,.span-6{grid-column:span 3;}
}

@media (max-width:600px){
  .grid--12{grid-template-columns:minmax(0,1fr);}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-12{grid-column:1 / -1;}
  .footer-base{flex-direction:column;align-items:flex-start;gap:8px;}
  .footer-base span + span::before{display:none;}
}

@media (max-height:760px) and (min-width:960px){
  .rail-status-text{display:none;}
  .brand-tag{display:none;}
  .site-header{gap:10px;padding-top:12px;}
}

/* 动效兼容 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .status-lamp{animation:none;}
  html.reveal-ready [data-reveal]{opacity:1;transform:none;}
  .skip-link{transition:none;}
}