/* =========================================================
   银河66YH · 共享 Site Kit  /assets/site.css
   深空观测站：星点 / 轨道线 / 切角面板 / 等宽数据标签
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --void:#070A1F;
  --stratum:#101636;
  --indigo:#1B1F4B;
  --violet:#2E1E5C;
  --rail:#6C4BD6;
  --silver:#F2F4FF;
  --dust:#A9B0D6;
  --pulse:#35E6D0;
  --amber:#FFB454;
  --teal:#0B2B33;

  --line-soft:rgba(108,75,214,.34);
  --line-firm:rgba(108,75,214,.62);
  --line-cool:rgba(169,176,214,.24);

  --font-display:"HarmonyOS Sans SC","MiSans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shell-max:1320px;
  --gutter:clamp(18px,4vw,48px);
  --space-section:clamp(48px,6.5vw,70px);
  --measure:38em;
  --cut:10px;
  --radius-pill:999px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. 重置与中文排版 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--silver);
  background-color:var(--void);
  background-image:
    radial-gradient(62vw 62vw at 10% -10%,rgba(46,30,92,.55),transparent 62%),
    radial-gradient(52vw 52vw at 94% 4%,rgba(27,31,75,.8),transparent 66%),
    radial-gradient(46vw 46vw at 78% 96%,rgba(11,43,51,.5),transparent 70%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  font-family:var(--font-body);
  font-size:clamp(16px,1.05vw,17px);
  line-height:1.75;
  font-synthesis:none;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg,video{max-width:100%;display:block}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none!important}

h1,h2,h3,h4{
  margin:0 0 .62em;
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:.1em;
  text-wrap:balance;
}
h1{font-size:clamp(30px,4.6vw,58px);letter-spacing:.11em}
h2{font-size:clamp(23px,2.9vw,38px);letter-spacing:.1em}
h3{font-size:clamp(18px,1.8vw,24px);letter-spacing:.07em;line-height:1.32}
h4{font-size:clamp(16px,1.4vw,19px);letter-spacing:.06em;line-height:1.4}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a{color:var(--pulse);text-decoration:none;transition:color .2s var(--ease)}
strong{font-weight:700;color:var(--silver)}

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

/* ---------- 3. 布局与文本工具 ---------- */
.container{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:var(--space-section);position:relative}

.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,1.6vw,24px)}
@media (max-width:900px){.grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}}
@media (max-width:600px){.grid-12{grid-template-columns:1fr}}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;
  color:var(--dust);text-transform:uppercase;margin:0 0 14px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--pulse);box-shadow:0 0 10px rgba(53,230,208,.85);flex:none;
}
.label{font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--dust)}
.mono{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;color:var(--pulse)}
.prose{max-width:var(--measure)}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.1em;list-style:none}
.prose li{position:relative;padding-left:16px;margin-bottom:.5em}
.prose li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:1px;background:var(--rail);
}

.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;
}

/* ---------- 4. 材质：面板 / 纹理 / 轨道线 / 图片容器 ---------- */
.panel{background:var(--indigo);border:1px solid var(--line-soft);position:relative}
.panel-cut{
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.texture-grid{position:relative;isolation:isolate}
.texture-grid::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(242,244,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(242,244,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
}
.orbit-rule{
  position:relative;height:1px;margin-block:clamp(30px,5vw,62px);
  background:linear-gradient(90deg,rgba(108,75,214,0),rgba(108,75,214,.72),rgba(53,230,208,.34),rgba(108,75,214,0));
}
.orbit-rule::after{
  content:"";position:absolute;right:12%;top:50%;width:6px;height:6px;margin-top:-3px;
  border-radius:50%;background:var(--pulse);box-shadow:0 0 12px rgba(53,230,208,.8);
}

.media-frame{
  position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;
  border:1px solid var(--line-soft);
  background:
    radial-gradient(circle at 28% 18%,rgba(108,75,214,.4),transparent 62%),
    radial-gradient(circle at 74% 82%,rgba(53,230,208,.16),transparent 58%),
    var(--stratum);
  clip-path:polygon(0 0,calc(100% - 16px) 0,100% 16px,100% 100%,16px 100%,0 calc(100% - 16px));
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(242,244,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(242,244,255,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mix-blend-mode:screen;
}
.media-frame img,.media-frame picture{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
@media (max-width:720px){
  .media-frame,.media-frame--wide{aspect-ratio:4/3}
  .media-frame--tall{aspect-ratio:1/1}
}

/* ---------- 5. 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:12px 24px;border-radius:var(--radius-pill);
  border:1px solid transparent;background:transparent;
  font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.1em;
  color:var(--silver);cursor:pointer;white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-pulse{
  color:var(--pulse);
  border-color:rgba(53,230,208,.55);
  background:linear-gradient(120deg,rgba(53,230,208,.15),rgba(108,75,214,.24));
}
.btn-pulse:hover{box-shadow:0 0 0 3px rgba(53,230,208,.14);border-color:var(--pulse);color:#d9fffa}
.btn-ghost{border-color:rgba(169,176,214,.34);color:var(--silver)}
.btn-ghost:hover{color:var(--pulse);border-color:rgba(53,230,208,.6);background:rgba(53,230,208,.07)}
.btn-sm{font-size:12.5px;padding:9px 17px;letter-spacing:.12em}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line-soft);background:rgba(27,31,75,.55);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--dust);cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{color:var(--silver);border-color:rgba(53,230,208,.42);background:rgba(53,230,208,.07)}
.chip[aria-pressed="true"]{
  color:var(--pulse);border-color:rgba(53,230,208,.72);background:rgba(53,230,208,.1);
  box-shadow:inset 0 0 0 1px rgba(53,230,208,.18);
}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:9px 10px}
.filter-count{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--dust);padding-left:6px;
}

/* ---------- 6. 面包屑 / 折叠 / 显现 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--dust);margin:0 0 clamp(20px,3vw,32px);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin:0;padding:0;list-style:none}
.breadcrumb li{display:flex;align-items:center;gap:9px}
.breadcrumb li + li::before{content:"/";color:rgba(169,176,214,.45)}
.breadcrumb-link{color:var(--dust)}
.breadcrumb-link:hover{color:var(--pulse)}
.breadcrumb [aria-current="page"]{color:var(--silver)}

.disclosure{border-radius:2px}
.disclosure + .disclosure{margin-top:10px}
.disclosure-trigger{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 18px;text-align:left;cursor:pointer;
  background:rgba(27,31,75,.62);border:1px solid var(--line-soft);
  color:var(--silver);font-family:var(--font-display);
  font-size:16px;font-weight:600;letter-spacing:.07em;line-height:1.45;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.disclosure-trigger:hover{border-color:rgba(53,230,208,.45);background:rgba(46,30,92,.55)}
.disclosure-trigger::after{
  content:"+";flex:none;font-family:var(--font-mono);font-size:19px;line-height:1;
  color:var(--pulse);transition:transform .22s var(--ease);
}
.disclosure-trigger[aria-expanded="true"]{border-color:rgba(53,230,208,.6);color:var(--pulse)}
.disclosure-trigger[aria-expanded="true"]::after{transform:rotate(45deg)}
.disclosure-panel{
  padding:18px;border:1px solid var(--line-soft);border-top:0;
  background:rgba(16,22,54,.72);color:var(--dust);font-size:15.5px;
}
.disclosure-panel p:last-child{margin-bottom:0}

.reveal{transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal[data-reveal="pending"]{opacity:0;transform:translateY(16px)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 7. 头部 ---------- */
#main-content{padding-top:clamp(92px,11vw,118px)}

.skip-link{
  position:fixed;left:16px;top:-72px;z-index:400;
  padding:10px 20px;border-radius:0 0 12px 12px;
  background:var(--pulse);color:#04121a;
  font-size:14px;font-weight:700;letter-spacing:.08em;
  transition:top .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{top:0;color:#04121a}

.site-header{
  position:fixed;inset:0 0 auto;z-index:200;
  padding:clamp(10px,1.6vw,18px) var(--gutter);
  background:linear-gradient(180deg,rgba(7,10,31,.78),rgba(7,10,31,0));
  transition:padding .25s var(--ease),background .25s var(--ease);
}
.progress-rail{
  position:fixed;left:0;right:0;top:0;height:2px;z-index:6;
  background:rgba(108,75,214,.18);pointer-events:none;
}
.progress-bar{
  display:block;width:0;height:100%;border-radius:0 2px 2px 0;
  background:linear-gradient(90deg,var(--rail),var(--pulse));
  box-shadow:0 0 12px rgba(53,230,208,.55);
  transition:width .12s linear;
}

.header-shell{
  position:relative;
  max-width:var(--shell-max);margin-inline:auto;
  display:flex;align-items:center;gap:clamp(10px,2vw,26px);
  padding:10px 12px 10px 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(108,75,214,.38);
  background:linear-gradient(120deg,rgba(16,22,54,.9),rgba(9,13,34,.78));
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);
  box-shadow:0 18px 44px -30px rgba(0,0,0,.95),inset 0 1px 0 rgba(242,244,255,.06);
  transition:background .25s var(--ease),border-color .25s var(--ease),padding .25s var(--ease);
}
.site-header[data-scrolled="true"] .header-shell{
  background:linear-gradient(120deg,rgba(13,18,44,.97),rgba(7,10,31,.96));
  border-color:rgba(53,230,208,.34);
  padding-block:7px;
}
.site-header[data-scrolled="true"]{background:rgba(7,10,31,.92)}

.brand{
  display:inline-flex;align-items:center;gap:12px;flex:none;
  padding:4px 6px;border-radius:var(--radius-pill);
  color:var(--silver);text-decoration:none;
}
.brand-mark{
  position:relative;width:32px;height:32px;flex:none;border-radius:50%;
  border:1px solid rgba(108,75,214,.7);
  background:radial-gradient(circle at 50% 50%,rgba(53,230,208,.2),transparent 64%);
}
.brand-mark::before{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:1px solid rgba(53,230,208,.5);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:5px;height:5px;
  margin:-2.5px 0 0 -2.5px;border-radius:50%;
  background:var(--pulse);box-shadow:0 0 10px rgba(53,230,208,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{
  font-family:var(--font-display);font-size:16px;font-weight:700;
  letter-spacing:.2em;color:var(--silver);
}
.brand-tagline{
  margin-top:3px;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.16em;color:var(--dust);
}

.site-nav{flex:0 1 auto;min-width:0;display:flex;justify-content:center;margin-inline:auto}
.nav-list{display:flex;align-items:center;gap:1px;flex-wrap:nowrap}
.nav-item{position:relative;display:flex;align-items:center}
.nav-item + .nav-item::before{
  content:"";width:3px;height:3px;flex:none;margin-inline:2px;
  border-radius:50%;background:rgba(169,176,214,.45);
}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:var(--radius-pill);
  border:1px solid transparent;white-space:nowrap;
  font-family:var(--font-display);font-size:14.5px;font-weight:500;letter-spacing:.09em;
  color:var(--dust);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.nav-link:hover{color:var(--silver);background:rgba(108,75,214,.22)}
.nav-link[aria-current="page"]{
  color:var(--pulse);
  border-color:rgba(53,230,208,.6);
  background:rgba(53,230,208,.08);
}
.nav-link[aria-current="page"]::before{
  content:"";display:inline-block;width:5px;height:5px;margin-right:8px;
  border-radius:50%;background:var(--pulse);
  box-shadow:0 0 9px rgba(53,230,208,.95);vertical-align:middle;
}

.header-tools{display:flex;align-items:center;gap:10px;flex:none}
.header-badge{
  display:inline-flex;align-items:center;gap:7px;margin:0;white-space:nowrap;
  padding:6px 12px;border-radius:var(--radius-pill);
  border:1px dashed rgba(255,180,84,.42);background:rgba(255,180,84,.07);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:var(--amber);
}
.header-badge::before{
  content:"";width:6px;height:6px;border-radius:50%;flex:none;
  background:var(--amber);box-shadow:0 0 9px rgba(255,180,84,.85);
}

.nav-toggle{
  display:none;align-items:center;gap:9px;margin-left:auto;flex:none;
  padding:9px 15px;border-radius:var(--radius-pill);cursor:pointer;
  border:1px solid var(--line-soft);background:rgba(27,31,75,.72);
  color:var(--silver);font-family:var(--font-display);
  font-size:13px;font-weight:600;letter-spacing:.14em;
}
.nav-toggle-bars{display:flex;flex-direction:column;justify-content:center;gap:3px;width:16px}
.nav-toggle-bars span{
  display:block;height:1.5px;border-radius:2px;background:var(--pulse);
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle[aria-expanded="true"]{border-color:rgba(53,230,208,.6);color:var(--pulse)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

.nav-aux{display:none}

/* 头部断点 */
@media (max-width:1180px){
  .header-badge{display:none}
}
@media (max-width:1040px){
  .brand-tagline{display:none}
  .brand-mark{width:28px;height:28px}
}
@media (max-width:960px){
  .site-header{padding:10px 14px}
  .header-shell{flex-wrap:wrap;border-radius:20px;padding:10px 12px;gap:8px}
  .site-header[data-scrolled="true"] .header-shell{padding-block:8px}
  .nav-toggle{display:inline-flex}
  .header-tools{display:none}
  .brand-name{font-size:15px;letter-spacing:.16em}
  .site-nav{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:flex;flex-direction:column;gap:0;margin:0;
    padding:14px;border-radius:18px;
    border:1px solid rgba(108,75,214,.45);
    background:linear-gradient(160deg,rgba(16,22,54,.98),rgba(9,13,34,.98));
    box-shadow:0 34px 64px -34px rgba(0,0,0,.98);
    max-height:calc(100vh - 150px);overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s linear;
  }
  .site-nav[data-open="true"]{opacity:1;visibility:visible;transform:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-item + .nav-item::before{display:none}
  .nav-link{display:block;padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-aux{
    display:flex;flex-direction:column;align-items:flex-start;gap:12px;
    margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);
  }
  .nav-badge{
    margin:0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;
    color:var(--amber);padding:6px 12px;border-radius:var(--radius-pill);
    border:1px dashed rgba(255,180,84,.4);background:rgba(255,180,84,.07);
  }
}
@media (max-width:420px){
  .nav-toggle-label{display:none}
  .nav-toggle{padding:10px 12px}
}

/* ---------- 8. 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(72px,10vw,140px);
  padding:clamp(48px,6vw,80px) 0 30px;
  background:#04060F;
  border-top:1px solid rgba(108,75,214,.26);
  color:var(--dust);
}
.site-footer::before{
  content:"";position:absolute;inset:0 0 auto;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,230,208,.65),rgba(108,75,214,.7),transparent);
}
.footer-shell{max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr .8fr 1.35fr;
  gap:clamp(26px,4vw,56px);
}
.footer-brand-link{
  display:inline-flex;align-items:center;gap:12px;
  color:var(--silver);padding:2px;border-radius:10px;
}
.footer-brand-link:hover{color:var(--pulse)}
.footer-brand-text{display:flex;flex-direction:column;line-height:1.2}
.footer-name{
  font-family:var(--font-display);font-size:17px;font-weight:700;
  letter-spacing:.2em;color:var(--silver);
}
.footer-tagline{
  margin-top:4px;font-family:var(--font-mono);font-size:10.5px;
  letter-spacing:.16em;color:var(--dust);
}
.footer-note{margin:18px 0 0;max-width:24em;font-size:14.5px;line-height:1.7;color:var(--dust)}
.footer-region{
  display:inline-flex;align-items:center;gap:7px;margin:16px 0 0;
  padding:5px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--line-cool);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--dust);
}
.footer-region::before{
  content:"";width:5px;height:5px;border-radius:50%;flex:none;background:var(--rail);
}
.footer-update{
  margin:12px 0 0;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.04em;color:var(--amber);
}
.footer-col-title{
  display:flex;align-items:center;gap:8px;
  margin:0 0 18px;font-family:var(--font-display);
  font-size:12.5px;font-weight:700;letter-spacing:.2em;
  color:var(--silver);text-transform:uppercase;
}
.footer-col-title::before{
  content:"";width:8px;height:1px;flex:none;background:var(--pulse);
}
.footer-links{display:grid;gap:10px}
.footer-link{
  position:relative;display:inline-block;padding-left:15px;
  font-size:14.5px;letter-spacing:.04em;color:var(--dust);
}
.footer-link::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:1px;background:var(--rail);
  transition:width .2s var(--ease),background .2s var(--ease);
}
.footer-link:hover{color:var(--pulse)}
.footer-link:hover::before{width:11px;background:var(--pulse)}

.footer-contact-line{display:grid;gap:3px;margin:0 0 15px}
.footer-contact-key{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;
  color:rgba(169,176,214,.72);text-transform:uppercase;
}
.footer-contact-value{
  font-family:var(--font-mono);font-size:13.5px;letter-spacing:.03em;
  color:var(--silver);line-height:1.6;word-break:break-word;
}
.footer-contact-note{
  margin:0;max-width:26em;font-size:12.5px;line-height:1.65;
  color:rgba(169,176,214,.78);
}

.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 26px;margin-top:clamp(32px,5vw,56px);padding-top:22px;
  border-top:1px solid rgba(108,75,214,.22);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--dust);
}
.footer-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 18px;margin:0}
.footer-icp{color:rgba(169,176,214,.86)}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px}
.footer-legal-link{color:var(--dust);font-size:12px;letter-spacing:.05em}
.footer-legal-link:hover{color:var(--pulse)}

@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
  .footer-base{flex-direction:column;align-items:flex-start;gap:14px}
}

/* ---------- 9. 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;
  }
  .reveal,.reveal[data-reveal="pending"]{opacity:1;transform:none;transition:none}
  .progress-bar{transition:none}
  .site-nav{transition:opacity .001ms linear,visibility .001ms linear}
}