/* =====================================================================
   银河中心 · galaxy1331.com.cn
   共享样式表 /assets/site.css
   深空导航台：左侧品牌轨道 + 星图网格 + 黑白高对比 + 银河紫锚点
   ===================================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;min-height:100vh;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg{max-width:100%;display:block;}
a{color:inherit;}
button{font:inherit;color:inherit;}
table{border-collapse:collapse;width:100%;}
main{display:block;}

/* ---------- 2. Design tokens ---------- */
:root{
  --ink:#070D1E;
  --panel:#0C1530;
  --grid:#1B2A4A;
  --violet:#7B5CFF;
  --magenta:#D94FA3;
  --cyan:#64E8D9;
  --silver:#A9B3C6;
  --mist:#F4F7FD;
  --dusk:#5F6B82;
  --amber:#FFB466;

  --rail-w:248px;
  --wrap:1120px;
  --edge:clamp(20px,4vw,56px);
  --gap:clamp(16px,2.4vw,32px);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"IBM Plex Mono","Noto Sans Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --line:1px solid var(--grid);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. 中文排版与全局底色 ---------- */
body{
  background-color:var(--ink);
  background-image:
    radial-gradient(1000px 660px at 8% -8%,rgba(123,92,255,.16),transparent 64%),
    radial-gradient(760px 520px at 96% 2%,rgba(217,79,163,.10),transparent 62%),
    radial-gradient(900px 620px at 60% 108%,rgba(100,232,217,.06),transparent 66%);
  background-attachment:fixed;
  background-repeat:no-repeat;
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{font-weight:900;line-height:1.18;letter-spacing:.06em;color:var(--mist);}
h1{font-size:clamp(34px,5.4vw,68px);letter-spacing:.08em;}
h2{font-size:clamp(24px,3vw,38px);}
h3{font-size:clamp(18px,2vw,22px);letter-spacing:.05em;}
p{max-width:68ch;}
strong{font-weight:700;color:var(--mist);}
::selection{background:rgba(123,92,255,.55);color:var(--mist);}
hr{border:0;border-top:var(--line);margin:0;}

a{text-decoration-color:rgba(100,232,217,.5);text-underline-offset:3px;}
a:hover{color:var(--cyan);}

:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:0;}
#main-content:focus-visible{outline:2px solid var(--cyan);outline-offset:6px;}

.mono{font-family:var(--font-mono);letter-spacing:.02em;font-variant-numeric:tabular-nums;}

/* ---------- 4. Skip link ---------- */
.skip-link{
  position:fixed;left:14px;top:-80px;z-index:200;
  padding:11px 18px;
  background:var(--cyan);color:#04101C;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  text-decoration:none;border:1px solid var(--cyan);
  transition:top .18s var(--ease);
}
.skip-link:focus{top:14px;color:#04101C;}

/* ---------- 5. 页面容器与节奏 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--edge);
}
.section{padding-block:clamp(40px,6vw,72px);}
.section-band{
  border-block:var(--line);
  background:linear-gradient(100deg,rgba(12,21,48,.92),rgba(7,13,30,.86));
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;flex:0 0 26px;opacity:.85;}

/* ---------- 6. 网格 ---------- */
.grid{display:grid;gap:var(--gap);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--sidebar{grid-template-columns:minmax(0,2fr) minmax(0,1fr);}
@media (max-width:860px){
  .grid--2,.grid--3,.grid--sidebar{grid-template-columns:minmax(0,1fr);}
}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 22px;
  border:1px solid var(--grid);
  background:transparent;
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:14px;font-weight:700;letter-spacing:.08em;
  text-decoration:none;cursor:pointer;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-1px);}
.btn--primary{
  border-color:transparent;
  background:linear-gradient(135deg,var(--violet),#5B3FE0);
  color:#070D1E;
  box-shadow:0 0 0 1px rgba(123,92,255,.55),0 18px 38px -22px rgba(123,92,255,.95);
}
.btn--primary:hover{
  color:#05080F;border-color:transparent;
  background:linear-gradient(135deg,#8E73FF,#6B4BF0);
}
.btn--ghost{border-color:rgba(123,92,255,.5);color:var(--mist);background:rgba(123,92,255,.08);}
.btn--ghost:hover{background:rgba(123,92,255,.16);border-color:var(--cyan);color:var(--cyan);}
.btn--small{padding:9px 15px;font-size:12.5px;letter-spacing:.1em;}

/* ---------- 8. 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dusk);
}
.crumbs__link{color:var(--silver);text-decoration:none;transition:color .18s var(--ease);}
.crumbs__link:hover{color:var(--cyan);}
.crumbs__current{color:var(--mist);}
.crumbs > * + *::before{content:"/";margin-right:8px;color:var(--grid);}

/* ---------- 9. 标签 / 面板 / 图片容器 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  border:1px solid var(--grid);
  font-family:var(--font-mono);
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--silver);
  white-space:nowrap;
}
.tag--violet{color:#B6A4FF;border-color:rgba(123,92,255,.55);background:rgba(123,92,255,.12);}
.tag--magenta{color:#F08AC6;border-color:rgba(217,79,163,.5);background:rgba(217,79,163,.12);}
.tag--cyan{color:var(--cyan);border-color:rgba(100,232,217,.42);background:rgba(100,232,217,.08);}
.tag--amber{color:#FFC98F;border-color:rgba(255,180,102,.45);background:rgba(255,180,102,.1);}

.panel{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:var(--line);
  background:linear-gradient(158deg,rgba(12,21,48,.94),rgba(7,13,30,.98));
}
.panel__label{
  display:block;
  margin-bottom:12px;
  font-family:var(--font-mono);
  font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--dusk);
}

.figure{margin:0;border:var(--line);background:var(--panel);}
.figure__media{
  position:relative;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:
    radial-gradient(circle at 28% 18%,rgba(123,92,255,.34),transparent 56%),
    radial-gradient(circle at 74% 70%,rgba(217,79,163,.26),transparent 58%),
    #0A1226;
}
.figure__media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(27,42,74,.85) 1px,transparent 1px),
    linear-gradient(90deg,rgba(27,42,74,.85) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.55;
}
.figure__media img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;}
.figure__caption{
  padding:10px 14px;
  border-top:var(--line);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.08em;
  color:var(--silver);
}
.figure--wide .figure__media{aspect-ratio:21 / 9;}
@media (max-width:600px){
  .figure--wide .figure__media{aspect-ratio:16 / 9;}
}

/* ---------- 10. 滚动显现协议 ---------- */
:root.has-js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
:root.has-js [data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 11. 阅读进度条（JS 注入） ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:90;
  background:rgba(27,42,74,.7);
  pointer-events:none;
}
.scroll-progress__fill{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--violet),var(--magenta) 58%,var(--cyan));
  transition:transform .12s linear;
}

/* =====================================================================
   12. HEADER —— 桌面固定左侧品牌轨道 / 移动顶部命令栏
   ===================================================================== */
.site-header{
  position:sticky;top:0;z-index:60;
  color:var(--mist);
  background:
    linear-gradient(180deg,#0B1329 0%,#080F24 62%,#070D1E 100%);
  border-bottom:var(--line);
}
.site-header__inner{
  position:relative;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:12px var(--edge);
}

/* 品牌 */
.brand{
  display:inline-flex;align-items:center;gap:12px;
  flex:1 1 auto;min-width:0;
  text-decoration:none;color:var(--mist);
}
.brand:hover{color:var(--mist);}
.brand__mark{
  position:relative;flex:0 0 34px;
  width:34px;height:34px;
  display:grid;place-items:center;
  border:1px solid rgba(123,92,255,.85);
  background:radial-gradient(circle at 50% 50%,rgba(123,92,255,.22),transparent 70%);
}
.brand__mark::before{
  content:"";width:9px;height:9px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 14px rgba(100,232,217,.8);
}
.brand__mark::after{
  content:"";position:absolute;inset:5px;
  border:1px solid rgba(123,92,255,.5);
  border-radius:50%;
  transform:rotate(-26deg) scaleY(.42);
}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{
  font-size:19px;font-weight:900;letter-spacing:.18em;line-height:1.2;
  color:var(--mist);white-space:nowrap;
}
.brand__desc{
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.08em;line-height:1.4;
  color:var(--silver);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* 移动导航按钮 */
.navtoggle{
  display:inline-flex;align-items:center;gap:9px;
  margin-left:auto;
  min-height:42px;min-width:44px;
  padding:8px 12px;
  border:1px solid var(--grid);
  background:rgba(27,42,74,.28);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;
  cursor:pointer;
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease);
}
.navtoggle:hover{color:var(--cyan);border-color:rgba(100,232,217,.6);}
.navtoggle__bars{display:flex;flex-direction:column;justify-content:center;gap:4px;width:16px;flex:0 0 16px;}
.navtoggle__bar{display:block;height:1px;background:currentColor;transition:transform .18s var(--ease),opacity .18s var(--ease);}
.navtoggle__text{white-space:nowrap;}

/* 状态行 */
.rail-status{
  display:none;
  align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--silver);
}
.rail-status__dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(100,232,217,.9);
  flex:0 0 6px;
}

/* 导航 */
.nav{order:4;flex:1 1 100%;display:none;}
.nav__list{display:flex;flex-direction:column;gap:2px;}
.nav__item{min-width:0;}
.nav__link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:10px 10px 10px 12px;
  border-left:2px solid transparent;
  color:var(--silver);
  text-decoration:none;
  transition:color .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav__idx{
  font-family:var(--font-mono);
  font-size:10px;letter-spacing:.08em;
  color:var(--dusk);
  flex:0 0 auto;
  transition:color .18s var(--ease);
}
.nav__label{font-size:14.5px;font-weight:500;letter-spacing:.06em;}
.nav__link:hover{color:var(--mist);background:rgba(123,92,255,.12);border-left-color:rgba(123,92,255,.55);}
.nav__link:hover .nav__idx{color:var(--cyan);}
.nav__link[aria-current="page"]{
  color:var(--mist);
  background:linear-gradient(90deg,rgba(123,92,255,.26),rgba(123,92,255,0));
  border-left-color:var(--violet);
}
.nav__link[aria-current="page"] .nav__idx{color:var(--violet);}
.nav__link[aria-current="page"] .nav__label{font-weight:700;}
.nav__link[aria-current="page"]::after{
  content:"";flex:0 0 5px;width:5px;height:5px;margin-left:auto;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px rgba(100,232,217,.9);
}

/* 快捷入口 */
.rail-quick{
  order:3;flex:1 1 100%;
  display:flex;flex-direction:row;gap:8px;
  padding-top:10px;
  border-top:var(--line);
}
.rail-quick__link{
  display:flex;flex:1 1 0;flex-direction:column;gap:2px;
  min-width:0;
  padding:9px 12px;
  border:1px solid var(--grid);
  background:rgba(27,42,74,.34);
  color:var(--mist);
  text-decoration:none;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.rail-quick__link:hover{
  color:var(--mist);
  border-color:var(--cyan);
  background:rgba(100,232,217,.1);
  transform:translateY(-1px);
}
.rail-quick__link--primary{
  border-color:rgba(123,92,255,.65);
  background:linear-gradient(135deg,rgba(123,92,255,.3),rgba(217,79,163,.16));
}
.rail-quick__link--primary:hover{border-color:var(--cyan);}
.rail-quick__label{
  font-size:13px;font-weight:700;letter-spacing:.04em;line-height:1.4;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.rail-quick__hint{
  font-family:var(--font-mono);
  font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--silver);
  white-space:nowrap;
}

/* 竖排装饰注记（仅桌面轨道） */
.rail-spine{display:none;}

/* 移动端展开态 */
.site-header[data-open]{border-bottom-color:rgba(100,232,217,.45);}
.site-header[data-open] .nav{
  display:block;
  padding-top:10px;
  border-top:var(--line);
  animation:navDrop .2s var(--ease);
}
.site-header[data-open] .navtoggle{color:var(--cyan);border-color:rgba(100,232,217,.7);background:rgba(100,232,217,.1);}
.site-header[data-open] .navtoggle__bar:first-child{transform:translateY(2.5px) rotate(45deg);}
.site-header[data-open] .navtoggle__bar:last-child{transform:translateY(-2.5px) rotate(-45deg);}
@keyframes navDrop{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}

/* ---------- 平板：横向命令栏 ---------- */
@media (min-width:768px){
  .site-header__inner{flex-wrap:wrap;gap:14px 20px;padding:14px var(--edge);}
  .brand{flex:0 0 auto;}
  .navtoggle{display:none;}
  .rail-status{display:inline-flex;order:2;margin-left:auto;}
  .rail-quick{
    order:3;flex:0 0 auto;
    flex-direction:row;gap:8px;
    padding-top:0;border-top:0;
  }
  .rail-quick__link{flex:0 0 auto;flex-direction:row;align-items:baseline;gap:8px;padding:8px 12px;}
  .rail-quick__hint{font-size:9px;}
  .nav{order:4;flex:1 1 100%;display:block;}
  .nav__list{flex-direction:row;flex-wrap:wrap;gap:2px;border-top:var(--line);padding-top:8px;}
  .nav__link{
    border-left:0;
    border-bottom:2px solid transparent;
    padding:9px 13px;
  }
  .nav__link:hover{border-bottom-color:rgba(123,92,255,.55);}
  .nav__link[aria-current="page"]{
    border-left:0;
    border-bottom-color:var(--violet);
    background:linear-gradient(180deg,rgba(123,92,255,0),rgba(123,92,255,.2));
  }
  .nav__link[aria-current="page"]::after{display:none;}
}

/* ---------- 桌面：左侧固定品牌轨道 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w);}
  .site-header{
    position:fixed;top:0;left:0;bottom:0;
    width:var(--rail-w);
    border-bottom:0;
    border-right:var(--line);
    overflow-y:auto;
    overscroll-behavior:contain;
    background:
      radial-gradient(320px 240px at 50% 0%,rgba(123,92,255,.24),transparent 70%),
      linear-gradient(180deg,#0B1329 0%,#080F24 58%,#070D1E 100%);
  }
  .site-header__inner{
    flex-direction:column;flex-wrap:nowrap;align-items:stretch;
    gap:20px;
    max-width:none;margin:0;
    min-height:100%;
    padding:26px 24px 24px 20px;
  }
  .site-header__inner::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(27,42,74,.9) 1px,transparent 1px),
      linear-gradient(90deg,rgba(27,42,74,.9) 1px,transparent 1px);
    background-size:100% 56px,56px 100%;
    opacity:.24;
  }
  .brand,.rail-status,.nav,.rail-quick{position:relative;z-index:1;}
  .brand{flex:0 0 auto;}
  .rail-status{display:flex;order:0;margin:0;flex:0 0 auto;}
  .nav{order:0;flex:1 1 auto;display:block;}
  .nav__list{
    flex-direction:column;flex-wrap:nowrap;gap:2px;
    border-top:var(--line);
    padding-top:10px;
  }
  .nav__link{
    border-bottom:0;
    border-left:2px solid transparent;
    padding:9px 8px 9px 11px;
  }
  .nav__link:hover{border-bottom:0;border-left-color:rgba(123,92,255,.6);}
  .nav__link[aria-current="page"]{
    border-bottom:0;
    border-left-color:var(--violet);
    background:linear-gradient(90deg,rgba(123,92,255,.26),rgba(123,92,255,0));
    box-shadow:inset 0 -1px 0 rgba(100,232,217,.3);
  }
  .nav__link[aria-current="page"]::after{display:block;}
  .rail-quick{
    margin-top:auto;
    flex-direction:column;
    padding-top:16px;
    border-top:var(--line);
    flex:0 0 auto;
  }
  .rail-quick__link{flex:0 0 auto;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px;}
  .rail-quick__link:hover{transform:translateX(2px);}
  .rail-quick__label{font-size:13.5px;}
  .rail-spine{
    display:block;position:absolute;z-index:1;
    right:6px;top:50%;
    transform:translateY(-50%);
    writing-mode:vertical-rl;
    max-height:58%;overflow:hidden;
    font-family:var(--font-mono);
    font-size:9.5px;letter-spacing:.42em;
    color:var(--dusk);opacity:.75;
    margin:0;pointer-events:none;white-space:nowrap;
  }
  .scroll-progress{left:var(--rail-w);}
}

/* =====================================================================
   13. FOOTER —— 档案底板
   ===================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,120px);
  border-top:var(--line);
  color:var(--silver);
  background:
    radial-gradient(760px 420px at 6% 0%,rgba(123,92,255,.18),transparent 62%),
    radial-gradient(620px 380px at 96% 14%,rgba(217,79,163,.12),transparent 60%),
    linear-gradient(180deg,#0A1226 0%,#070D1E 72%);
}
.site-footer__inner{
  display:grid;
  grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr) minmax(0,1.1fr);
  gap:clamp(24px,3.4vw,48px);
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(40px,6vw,76px) var(--edge) clamp(28px,4vw,44px);
}
.footer-brand__name{
  font-size:clamp(28px,4vw,42px);
  font-weight:900;letter-spacing:.2em;line-height:1.1;
  color:var(--mist);
}
.footer-brand__line{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--violet);
}
.footer-brand__summary{
  margin-top:12px;
  max-width:36ch;
  font-size:14.5px;line-height:1.75;
  color:var(--silver);
}
.footer-brand .btn{margin-top:18px;}

.footer-col__title{
  padding-bottom:9px;
  margin-bottom:12px;
  border-bottom:var(--line);
  font-family:var(--font-mono);
  font-size:10.5px;font-weight:500;letter-spacing:.24em;text-transform:uppercase;
  color:var(--silver);
}
.footer-col__list{display:flex;flex-direction:column;gap:2px;}
.footer-col__link{
  display:inline-block;
  padding:5px 0;
  border-bottom:1px solid transparent;
  font-size:14px;letter-spacing:.04em;
  color:var(--silver);
  text-decoration:none;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-col__link:hover{color:var(--cyan);border-bottom-color:rgba(100,232,217,.6);}

.footer-contact__list{display:block;}
.footer-contact__row{
  display:grid;
  grid-template-columns:76px minmax(0,1fr);
  gap:10px;
  padding:6px 0;
  align-items:baseline;
}
.footer-contact__key{
  font-family:var(--font-mono);
  font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--dusk);
}
.footer-contact__val{
  margin:0;
  font-size:13.5px;line-height:1.65;
  color:var(--silver);
  overflow-wrap:anywhere;
}
.footer-contact__note{
  margin-top:14px;
  padding-top:14px;
  border-top:var(--line);
  font-size:12.5px;line-height:1.75;
  color:var(--dusk);
}

.site-footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:18px var(--edge) 30px;
  border-top:var(--line);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.08em;
  color:var(--dusk);
}
.site-footer__copy{margin:0;}
.legal{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;}
.legal__link{
  color:var(--silver);
  text-decoration:none;
  transition:color .18s var(--ease);
}
.legal__link:hover{color:var(--cyan);}
.legal li + li::before{content:"·";margin-right:18px;color:var(--grid);}

@media (max-width:1023px){
  .site-footer__inner{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-brand{grid-column:1 / -1;}
  .footer-contact{grid-column:1 / -1;}
}
@media (max-width:560px){
  .site-footer__inner{grid-template-columns:minmax(0,1fr);}
  .site-footer__base{flex-direction:column;align-items:flex-start;}
  .footer-contact__row{grid-template-columns:minmax(0,1fr);gap:0;}
}

/* =====================================================================
   14. 无障碍与动效降级
   ===================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  :root.has-js [data-reveal]{opacity:1;transform:none;}
  .scroll-progress__fill{transition:none;}
}