/* ==========================================================================
   云体育 · 天山云速 Site Kit — /assets/site.css
   共享外壳 / 排版基座 / 通用组件
   ========================================================================== */

:root{
  --cloud:#F7FAF9;
  --snow:#D9EEF0;
  --snow-deep:#7FBFC7;
  --sand:#E7D2B2;
  --sand-deep:#A97948;
  --signal:#F05A24;
  --signal-dark:#D1481A;
  --data:#1E63E9;
  --ink:#10222B;
  --teal:#0E4C57;
  --grid-line:#C7D6D8;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",ui-monospace,Consolas,monospace;
  --gutter:clamp(14px,3vw,40px);
  --radius:2px;
}

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

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body,h1,h2,h3,h4,h5,p,ul,ol,li,dl,dt,dd,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}

body{
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--cloud);
  background-image:linear-gradient(90deg, rgba(199,214,216,.18) 1px, transparent 1px);
  background-size:120px 100%;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:700;
  line-height:1.24;
  letter-spacing:-.02em;
  color:var(--ink);
}
h1{font-size:clamp(32px,5vw,56px);font-weight:900;letter-spacing:-.035em}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:clamp(18px,2vw,22px)}

a{color:var(--data);text-decoration:none}
a:hover{color:var(--signal)}

button{font-family:inherit}

img{max-width:100%;height:auto;display:block}

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:2px;
  border-radius:1px;
}

#main-content{scroll-margin-top:120px}

/* ---------- 通用容器与留白 ---------- */
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.page-main{
  display:block;
  padding-top:clamp(24px,4vw,48px);
}
.stack{display:flex;flex-direction:column;gap:var(--stack-gap,16px)}
.grid{display:grid;gap:clamp(14px,2vw,24px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.rule{height:1px;background:var(--grid-line);border:0;width:100%}
.divider-ticks{
  height:8px;
  background-image:repeating-linear-gradient(90deg,var(--grid-line) 0 1px,transparent 1px 12px);
  opacity:.85;
}

.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* ---------- 排版组件 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--teal);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--signal)}

.section-title{
  font-family:var(--serif);
  font-weight:700;
  font-size:clamp(24px,3vw,36px);
  line-height:1.25;
  letter-spacing:-.02em;
  color:var(--ink);
}

.lede{
  font-size:clamp(16px,1.4vw,18px);
  line-height:1.8;
  color:#33505A;
  max-width:40em;
}

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

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--teal);
  background:var(--snow);
  border:1px solid var(--snow-deep);
  border-radius:var(--radius);
}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 20px;
  font-family:inherit;
  font-size:14px;
  font-weight:500;
  line-height:1.2;
  letter-spacing:.02em;
  color:var(--ink);
  background:transparent;
  border:1px solid var(--ink);
  border-radius:var(--radius);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease,transform .18s ease;
}
.btn:hover{background:var(--ink);color:var(--cloud)}
.btn--primary{background:var(--signal);border-color:var(--signal);color:#fff}
.btn--primary:hover{background:var(--signal-dark);border-color:var(--signal-dark);color:#fff}
.btn--ghost{background:#fff;border-color:var(--grid-line);color:var(--teal)}
.btn--ghost:hover{background:var(--snow);border-color:var(--snow-deep);color:var(--teal)}
.btn--quiet{border-color:transparent;color:var(--data);padding:6px 0}
.btn--quiet:hover{background:transparent;color:var(--signal)}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:10px 0 0}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.04em;
  color:var(--teal);
}
.breadcrumb-list li{display:inline-flex;align-items:center;gap:6px}
.breadcrumb-list li + li::before{content:"/";color:var(--snow-deep)}
.breadcrumb-link{color:var(--teal);border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease}
.breadcrumb-link:hover{color:var(--signal);border-bottom-color:var(--signal)}
.breadcrumb-current{color:var(--ink);opacity:.72}

/* ---------- 卡片与面板 ---------- */
.card{
  position:relative;
  background:#fff;
  border:1px solid var(--grid-line);
  border-radius:var(--radius);
  padding:clamp(16px,2vw,24px);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{
  border-color:var(--snow-deep);
  box-shadow:0 18px 36px -30px rgba(16,34,43,.6);
  transform:translateY(-2px);
}
.card-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding-bottom:10px;
  margin-bottom:12px;
  border-bottom:1px solid var(--grid-line);
}
.card-title{
  font-family:var(--serif);
  font-size:clamp(17px,1.6vw,20px);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.35;
}
.card-body{font-size:14.5px;line-height:1.75;color:#3D545D}

.panel{
  border:1px solid var(--grid-line);
  background:#fff;
  border-radius:var(--radius);
  padding:clamp(16px,2.4vw,28px);
}
.panel--cyan{background:linear-gradient(160deg,var(--snow) 0%,#F7FAF9 72%);border-color:var(--snow-deep)}
.panel--sand{background:linear-gradient(160deg,var(--sand) 0%,#FBF7F0 78%);border-color:#D9C4A2}

/* ---------- 数据条 ---------- */
.data-strip{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(130px,1fr));
  border:1px solid var(--grid-line);
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
}
.data-cell{padding:14px 16px;min-width:0}
.data-cell + .data-cell{border-left:1px solid var(--grid-line)}
.data-value{
  font-family:var(--mono);
  font-size:clamp(20px,2.4vw,30px);
  line-height:1.1;
  color:var(--data);
  letter-spacing:-.01em;
}
.data-label{
  margin-top:5px;
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--teal);
  opacity:.78;
}

/* ---------- 页面内目录 ---------- */
.toc{
  border:1px solid var(--grid-line);
  background:rgba(217,238,240,.34);
  border-radius:var(--radius);
  padding:12px;
}
.toc-list{display:grid;gap:2px}
.toc-link{
  display:block;
  padding:7px 10px 7px 12px;
  font-size:13.5px;
  line-height:1.5;
  color:#2B444D;
  border-left:2px solid transparent;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.toc-link:hover{background:#fff;color:var(--teal)}
.toc-link[aria-current="true"]{
  border-left-color:var(--signal);
  background:#fff;
  color:var(--ink);
  font-weight:500;
}

/* ---------- 图片容器基础规则（页面阶段填充） ---------- */
.media{
  position:relative;
  overflow:hidden;
  border:1px solid var(--grid-line);
  border-radius:var(--radius);
  background:
    radial-gradient(120% 100% at 12% 0%, rgba(127,191,199,.55), transparent 60%),
    linear-gradient(135deg,var(--snow) 0%,var(--cloud) 52%,var(--sand) 100%);
  aspect-ratio:16 / 10;
  isolation:isolate;
}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media__img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:10px 14px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.06em;
  color:#F2FAFA;
  background:linear-gradient(180deg,rgba(16,34,43,0) 0%,rgba(16,34,43,.72) 100%);
}

/* ==========================================================================
   头部：天山云速指挥条
   ========================================================================== */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:300;
  padding:10px 16px;
  font-size:14px;
  color:#fff;
  background:var(--ink);
  border:1px solid var(--signal);
  border-radius:var(--radius);
  transform:translateY(-180%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0);color:#fff}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding-bottom:6px;
  background:linear-gradient(180deg,#FBFDFC 0%,#F2F8F8 62%,#E8F2F3 100%);
  border-bottom:1px solid var(--grid-line);
  isolation:isolate;
  transition:box-shadow .22s ease;
}
.site-header[data-scrolled="true"]{box-shadow:0 12px 30px -26px rgba(16,34,43,.75)}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:6px;
  background-image:repeating-linear-gradient(90deg, rgba(127,191,199,.6) 0 1px, transparent 1px 14px);
  pointer-events:none;
}

.cmd-bar{
  width:100%;
  max-width:1520px;
  margin:0 auto;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  grid-template-areas:"brand nav side";
  align-items:center;
  gap:10px clamp(10px,2vw,28px);
  padding:10px var(--gutter) 8px;
}

.cmd-brand{
  grid-area:brand;
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
  position:relative;
  padding-left:10px;
}
.cmd-brand::before{
  content:"";
  position:absolute;
  left:0;top:2px;bottom:2px;
  width:3px;
  background:linear-gradient(180deg,var(--signal) 0%,var(--snow-deep) 45%,var(--teal) 100%);
}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;height:38px;
  flex:none;
  font-family:var(--serif);
  font-weight:900;
  font-size:19px;
  line-height:1;
  color:var(--cloud);
  background:var(--teal);
  border:1px solid var(--teal);
  border-radius:var(--radius);
  box-shadow:inset 0 0 0 3px rgba(247,250,249,.16);
}
.brand-mark--light{
  color:var(--snow);
  background:transparent;
  border-color:rgba(217,238,240,.55);
  box-shadow:inset 0 0 0 3px rgba(217,238,240,.1);
}
.brand-copy{display:flex;flex-direction:column;min-width:0}
.brand-name{
  font-family:var(--serif);
  font-size:18px;
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.15;
  color:var(--ink);
}
.brand-sub{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--teal);
  opacity:.78;
  white-space:nowrap;
}

/* --- 主导航 --- */
.site-nav{grid-area:nav;min-width:0;position:relative}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-item{flex:none}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  white-space:nowrap;
  font-size:13.5px;
  font-weight:500;
  line-height:1.3;
  color:var(--ink);
  border:1px solid transparent;
  border-radius:var(--radius);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-index{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:.04em;
  color:var(--snow-deep);
  transition:color .18s ease;
}
.nav-link:hover{
  color:var(--teal);
  background:var(--snow);
  border-color:var(--grid-line);
}
.nav-link:hover .nav-index{color:var(--data)}
.nav-link[aria-current="page"]{
  color:var(--ink);
  background:#fff;
  border-color:var(--grid-line);
  box-shadow:inset 0 -2px 0 var(--signal);
}
.nav-link[aria-current="page"] .nav-index{color:var(--signal)}

.nav-quick{display:none}

/* --- 状态与动作 --- */
.cmd-side{
  grid-area:side;
  display:flex;
  align-items:center;
  gap:10px;
  justify-self:end;
  min-width:0;
}
.status-pair{display:flex;align-items:center;gap:6px}
.status-chip{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:4px 8px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--teal);
  background:rgba(255,255,255,.78);
  border:1px solid var(--snow-deep);
  border-radius:var(--radius);
  white-space:nowrap;
}
.status-key{font-size:9px;letter-spacing:.12em;color:var(--snow-deep)}
.status-chip--orange{
  color:var(--signal);
  background:rgba(240,90,36,.08);
  border-color:rgba(240,90,36,.45);
}
.status-chip--orange .status-key{color:var(--signal);opacity:.7}

.cmd-actions{display:flex;align-items:center;gap:6px}
.cmd-btn{
  display:inline-flex;
  align-items:center;
  padding:7px 12px;
  font-size:12.5px;
  font-weight:500;
  line-height:1.2;
  white-space:nowrap;
  color:var(--teal);
  background:#fff;
  border:1px solid var(--grid-line);
  border-radius:var(--radius);
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.cmd-btn:hover{color:var(--teal);background:var(--snow);border-color:var(--snow-deep)}
.cmd-btn--solid{color:#fff;background:var(--signal);border-color:var(--signal)}
.cmd-btn--solid:hover{color:#fff;background:var(--signal-dark);border-color:var(--signal-dark)}

/* --- 移动开关 --- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:7px 10px;
  font-size:12px;
  font-weight:500;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--grid-line);
  border-radius:var(--radius);
  cursor:pointer;
}
.nav-toggle-lines{display:inline-flex;flex-direction:column;gap:3px;width:14px}
.nav-toggle-lines span{
  display:block;
  height:1.5px;
  background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-lines span:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}
.nav-toggle-text{font-family:var(--mono);letter-spacing:.1em}

.read-progress{
  position:absolute;
  left:0;bottom:0;
  height:2px;
  width:0;
  z-index:2;
  background:linear-gradient(90deg,var(--data) 0%,var(--snow-deep) 55%,var(--signal) 100%);
  transition:width .12s linear;
}

/* ==========================================================================
   页脚：深色基座
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  color:#E8F3F3;
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(127,191,199,.24), transparent 56%),
    radial-gradient(90% 80% at 94% 4%, rgba(240,90,36,.16), transparent 62%),
    linear-gradient(160deg,#0E4C57 0%,#10222B 58%,#0B1A22 100%);
  border-top:1px solid rgba(199,214,216,.28);
}
.footer-rule{
  height:8px;
  background-image:repeating-linear-gradient(90deg, rgba(217,238,240,.36) 0 1px, transparent 1px 16px);
  border-bottom:1px solid rgba(199,214,216,.16);
}
.footer-inner{
  max-width:1520px;
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(0,2.1fr) minmax(0,1fr);
  gap:clamp(24px,4vw,56px);
  padding:clamp(32px,5vw,64px) var(--gutter) clamp(24px,3vw,40px);
}
.footer-brand{min-width:0}
.footer-brandline{display:flex;align-items:center;gap:10px}
.footer-name{
  font-family:var(--serif);
  font-size:22px;
  font-weight:900;
  letter-spacing:-.02em;
  color:#fff;
}
.footer-summary{
  margin-top:16px;
  max-width:34em;
  font-size:15px;
  line-height:1.8;
  color:rgba(232,243,243,.86);
}
.footer-note{
  margin-top:10px;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.03em;
  color:rgba(217,238,240,.62);
}
.footer-copyrow{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:18px;
}
.copy-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  font-family:inherit;
  font-size:12.5px;
  font-weight:500;
  color:var(--snow);
  background:rgba(217,238,240,.08);
  border:1px solid rgba(217,238,240,.35);
  border-radius:var(--radius);
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.copy-btn:hover{background:rgba(240,90,36,.18);border-color:var(--signal);color:#fff}
.copy-feedback{
  min-height:1em;
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.02em;
  color:var(--sand);
}

.footer-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
  min-width:0;
}
.footer-col{min-width:0}
.footer-col-title{
  margin-bottom:12px;
  padding-bottom:8px;
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--sand);
  border-bottom:1px solid rgba(199,214,216,.24);
}
.footer-links{display:grid;gap:9px}
.footer-links a{
  display:inline-block;
  font-size:14px;
  line-height:1.6;
  color:rgba(232,243,243,.85);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer-links a:hover{color:#fff;border-bottom-color:var(--signal)}

.footer-contact{min-width:0}
.contact-list{display:grid;gap:10px}
.contact-row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:10px;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(232,243,243,.85);
  overflow-wrap:anywhere;
}
.contact-row dt{
  padding-top:3px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.06em;
  color:rgba(217,238,240,.58);
}

.footer-base{
  max-width:1520px;
  margin:0 auto;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  padding:16px var(--gutter) 28px;
  font-size:12px;
  color:rgba(217,238,240,.62);
  border-top:1px solid rgba(199,214,216,.2);
}
.footer-legal{
  display:flex;
  gap:14px;
  font-family:var(--mono);
  letter-spacing:.02em;
}
.legal-links{display:flex;flex-wrap:wrap;gap:16px}
.legal-links a{
  color:rgba(232,243,243,.82);
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.legal-links a:hover{color:var(--signal);border-bottom-color:var(--signal)}
.footer-copy{
  margin-left:auto;
  font-size:11.5px;
  color:rgba(217,238,240,.52);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1199px){
  .cmd-bar{
    grid-template-columns:auto auto;
    grid-template-areas:
      "brand side"
      "nav nav";
    row-gap:8px;
    padding-bottom:10px;
  }
  .site-nav{border-top:1px solid rgba(199,214,216,.7);padding-top:6px}
  .nav-list{gap:0}
}

@media (max-width:1023px){
  .cmd-actions{display:none}
  .status-pair{gap:4px}
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-nav{grid-column:1 / -1;grid-row:2}
  .footer-copy{margin-left:0;width:100%}
}

@media (max-width:719px){
  .cmd-bar{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand side";
    row-gap:0;
    padding-bottom:6px;
  }
  .cmd-brand{padding-left:8px}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .brand-name{font-size:16px}
  .brand-sub{display:none}
  .status-chip--round{display:none}
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    left:0;
    right:0;
    top:100%;
    z-index:90;
    display:none;
    max-height:min(72vh,520px);
    overflow-y:auto;
    padding:8px var(--gutter) 18px;
    background:#FBFDFC;
    border-top:1px solid var(--grid-line);
    border-bottom:1px solid var(--grid-line);
    box-shadow:0 26px 50px -30px rgba(16,34,43,.6);
  }
  .site-nav[data-open="true"]{display:block}

  .nav-list{
    flex-direction:column;
    align-items:stretch;
    overflow:visible;
    gap:0;
  }
  .nav-item + .nav-item{border-top:1px dashed rgba(199,214,216,.9)}
  .nav-link{
    width:100%;
    justify-content:flex-start;
    padding:13px 6px;
    font-size:15px;
    border:0;
  }
  .nav-link[aria-current="page"]{
    background:var(--snow);
    box-shadow:inset 3px 0 0 var(--signal);
  }

  .nav-quick{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:8px;
    margin-top:16px;
  }
  .nav-quick-link{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:10px 8px;
    font-size:13px;
    font-weight:500;
    text-align:center;
    color:var(--teal);
    background:#fff;
    border:1px solid var(--grid-line);
    border-radius:var(--radius);
    transition:background-color .18s ease,color .18s ease,border-color .18s ease;
  }
  .nav-quick-link:hover,
  .nav-quick-link:focus-visible{
    color:var(--ink);
    background:var(--snow);
    border-color:var(--snow-deep);
  }

  .footer-inner{grid-template-columns:1fr;padding-top:32px}
  .footer-nav{grid-template-columns:1fr 1fr;grid-row:auto}
  .footer-contact{grid-column:1 / -1}
  .footer-base{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-copy{margin-left:0}
  .media--wide{aspect-ratio:16 / 10}
}

@media (max-width:400px){
  .footer-nav{grid-template-columns:1fr}
  .nav-quick{grid-template-columns:1fr}
}

/* 减少动态 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}