/* ============================================================
   GOGO赛场 · 共享样式表 /assets/site.css
   深色赛场大屏 · 非对称编辑部网格 · 等宽数据语言
   ============================================================ */

:root{
  --ink-900:#080C0A;
  --ink-850:#0C1210;
  --ink-800:#101715;
  --ink-700:#1C2724;
  --ink-600:#2E403A;
  --brand:#00E676;
  --cyan:#00F0FF;
  --orange:#FF9F1C;
  --volt:#D4FF3F;
  --paper:#E8FFF5;
  --mist:#9BB0A8;
  --deep-green:#04170C;
  --deep-orange:#1B1200;

  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"DejaVu Sans Mono","Courier New",monospace;

  --max:1440px;
  --edge:clamp(1.15rem,3.4vw,2.75rem);
  --r-sm:6px;
  --r-md:14px;
  --r-lg:28px;
  --t-fast:140ms;
  --t-mid:280ms;
}

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

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:7rem;
}

body{
  margin:0;
  min-height:100vh;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  background:
    radial-gradient(70% 46% at 88% -8%,rgba(0,240,255,.10),transparent 62%),
    radial-gradient(58% 40% at -6% 4%,rgba(0,230,118,.12),transparent 58%),
    var(--ink-900);
  background-attachment:fixed;
}

h1,h2,h3,h4{
  margin:0 0 .5rem;
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.02em;
  text-wrap:balance;
}

h1{font-size:clamp(2.6rem,6vw,5.2rem);}
h2{font-size:clamp(1.7rem,3.4vw,2.85rem);}
h3{font-size:clamp(1.15rem,1.8vw,1.5rem);font-weight:800;letter-spacing:-.01em;}

p{margin:0 0 1rem;}
p:last-child{margin-bottom:0;}

a{color:var(--cyan);text-decoration-thickness:1px;text-underline-offset:3px;}
a:hover{color:var(--paper);}

ul,ol{margin:0 0 1rem;padding-left:1.15rem;}

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

button{font:inherit;color:inherit;}

code,kbd,samp{font-family:var(--font-mono);font-size:.9em;}

hr{border:0;border-top:1px dashed var(--ink-600);margin:clamp(1.6rem,3vw,2.6rem) 0;}

::selection{background:var(--brand);color:var(--deep-green);}

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

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

.u-visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  margin:-1px;padding:0;border:0;
  clip:rect(0 0 0 0);clip-path:inset(50%);
  overflow:hidden;white-space:nowrap;
}

/* ---------- 布局容器 ---------- */

.shell{
  width:min(var(--max),calc(100% - var(--edge) * 2));
  margin-inline:auto;
}

.section{padding-block:clamp(2.5rem,6vw,5.5rem);}
.section--tight{padding-block:clamp(1.6rem,3.5vw,3rem);}

.section__head{max-width:78ch;margin-bottom:clamp(1.4rem,3vw,2.4rem);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--brand);
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
}

.section__title{margin:.55rem 0 .7rem;}

.section__lede{
  max-width:62ch;
  color:var(--mist);
  margin:0;
}

.grid{display:grid;gap:clamp(1.2rem,2.6vw,2.6rem);}
.grid--5-7{grid-template-columns:5fr 7fr;}
.grid--3-9{grid-template-columns:3fr 9fr;}

.prose{max-width:70ch;}
.prose h2{margin-top:2.2rem;font-size:clamp(1.5rem,2.6vw,2.1rem);}
.prose h3{margin-top:1.6rem;}
.prose li{margin-bottom:.35rem;}
.prose strong{color:var(--brand);}

/* ---------- 按钮与链接 ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.72rem 1.2rem;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  color:var(--paper);
  font-family:inherit;
  font-size:.92rem;
  font-weight:800;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast),box-shadow var(--t-fast),transform var(--t-fast);
}
.btn--brand{background:var(--brand);color:var(--deep-green);border-color:var(--brand);}
.btn--brand:hover{background:#3dff98;color:var(--deep-green);box-shadow:0 0 0 3px rgba(0,230,118,.22);}
.btn--orange{background:var(--orange);color:var(--deep-orange);border-color:var(--orange);}
.btn--orange:hover{background:#ffb44a;color:var(--deep-orange);box-shadow:0 0 0 3px rgba(255,159,28,.24);}
.btn--ghost{border-color:var(--ink-600);color:var(--paper);}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);}

.ghost-link{
  padding:.45rem .15rem;
  border-bottom:1px solid transparent;
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.08em;
  text-decoration:none;
  transition:color var(--t-fast),border-color var(--t-fast);
}
.ghost-link:hover,.ghost-link:focus-visible{color:var(--cyan);border-color:var(--cyan);}

.cta-link{
  display:inline-flex;
  align-items:center;
  padding:.5rem 1rem;
  border-radius:999px;
  background:var(--orange);
  color:var(--deep-orange);
  font-size:.82rem;
  font-weight:800;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  transition:transform var(--t-fast),box-shadow var(--t-fast),background var(--t-fast);
}
.cta-link:hover{
  background:#ffb44a;
  color:var(--deep-orange);
  transform:translateY(-1px);
  box-shadow:0 12px 26px -14px rgba(255,159,28,.95);
}

/* ---------- 面包屑 ---------- */

.crumbs{
  margin-bottom:clamp(1rem,2vw,1.6rem);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--mist);
}
.crumbs ol{
  display:flex;
  flex-wrap:wrap;
  gap:.45rem;
  margin:0;
  padding:0;
  list-style:none;
}
.crumbs li{display:inline-flex;align-items:center;gap:.45rem;}
.crumbs li+li::before{content:"/";color:var(--ink-600);}
.crumbs a{color:var(--mist);text-decoration:none;}
.crumbs a:hover{color:var(--cyan);}
.crumbs__current{color:var(--paper);}

/* ---------- 数据带 / 指标 / 标签 ---------- */

.data-band{
  display:flex;
  gap:1px;
  overflow-x:auto;
  overscroll-behavior-inline:contain;
  scroll-snap-type:x proximity;
  background:var(--ink-600);
  border-block:1px solid var(--ink-600);
  scrollbar-width:thin;
  scrollbar-color:var(--ink-600) transparent;
}
.data-band__item{
  flex:0 0 clamp(170px,20vw,250px);
  scroll-snap-align:start;
  display:flex;
  flex-direction:column;
  gap:.3rem;
  padding:1rem 1.15rem;
  background:var(--ink-800);
}
.data-band__value{
  font-family:var(--font-mono);
  font-size:1.5rem;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:var(--cyan);
}
.data-band__label{
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
}

.kpi{display:flex;flex-direction:column;gap:.2rem;}
.kpi__value{
  font-family:var(--font-mono);
  font-size:clamp(1.8rem,3.6vw,2.9rem);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  line-height:1;
  color:var(--brand);
}
.kpi__label{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
}

.tag{
  display:inline-flex;
  align-items:center;
  padding:.2rem .55rem;
  border:1px solid var(--ink-600);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--mist);
}

/* ---------- 表格 ---------- */

.data-table{
  width:100%;
  border-collapse:collapse;
  font-variant-numeric:tabular-nums;
  background:var(--ink-800);
}
.data-table caption{
  padding-bottom:.6rem;
  text-align:left;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
}
.data-table th,
.data-table td{
  padding:.6rem .75rem;
  border-bottom:1px solid var(--ink-600);
  text-align:left;
  font-size:.92rem;
}
.data-table thead th{
  background:var(--ink-700);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.data-table tbody tr{transition:background var(--t-fast);}
.data-table tbody tr:hover{background:rgba(0,240,255,.06);}
.data-table__num{
  font-family:var(--font-mono);
  font-weight:700;
  text-align:right;
  color:var(--paper);
}

/* ---------- 折叠面板 ---------- */

.fold{border-top:1px solid var(--ink-600);}
.fold:last-of-type{border-bottom:1px solid var(--ink-600);}
.fold__title{
  display:flex;
  align-items:center;
  gap:.7rem;
  padding:1rem .2rem;
  font-weight:800;
  cursor:pointer;
  list-style:none;
  transition:color var(--t-fast);
}
.fold__title::-webkit-details-marker{display:none;}
.fold__title::before{
  content:"+";
  flex:0 0 auto;
  width:1.4rem;
  font-family:var(--font-mono);
  font-size:1rem;
  color:var(--brand);
  transition:transform var(--t-fast);
}
.fold[open]>.fold__title::before{content:"–";color:var(--cyan);}
.fold__title:hover{color:var(--cyan);}
.fold__body{padding:0 .2rem 1.2rem 2.1rem;color:var(--mist);}

/* ---------- 同页筛选 ---------- */

.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  margin-bottom:clamp(1rem,2vw,1.6rem);
}
.filter-btn{
  padding:.4rem .85rem;
  border:1px solid var(--ink-600);
  border-radius:999px;
  background:var(--ink-700);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.08em;
  cursor:pointer;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.filter-btn:hover{border-color:var(--cyan);color:var(--cyan);}
.filter-btn[aria-pressed="true"]{
  background:var(--brand);
  border-color:var(--brand);
  color:var(--deep-green);
}
.filter-count{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.1em;
  color:var(--mist);
}

/* ---------- 图片容器（页面阶段放 img 占位） ---------- */

.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-md);
  background:
    linear-gradient(135deg,rgba(0,230,118,.16),transparent 55%),
    linear-gradient(320deg,rgba(0,240,255,.14),transparent 60%),
    var(--ink-700);
}
.media img{width:100%;height:100%;object-fit:cover;}
.media--wide{aspect-ratio:16/9;}
.media--tall{aspect-ratio:3/4;}
.media--band{aspect-ratio:32/9;border-radius:var(--r-lg);}

/* ---------- 滚动渐显 ---------- */

.has-js [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .36s ease,transform .36s cubic-bezier(.2,.7,.3,1);
}
.has-js [data-reveal].is-revealed{opacity:1;transform:none;}

/* ============================================================
   头部
   ============================================================ */

.skip-link{
  position:absolute;
  left:1rem;
  top:-120px;
  z-index:200;
  padding:.65rem 1rem;
  border-radius:0 0 10px 10px;
  background:var(--volt);
  color:var(--deep-green);
  font-weight:800;
  text-decoration:none;
  transition:top var(--t-fast);
}
.skip-link:focus{top:0;color:var(--deep-green);}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg,var(--ink-800),var(--ink-900));
  border-bottom:1px solid var(--ink-600);
}

/* 上层：品牌说明 + 数据状态 + 会员中心入口 */
.header-top{
  position:relative;
  overflow:hidden;
  background:var(--ink-800);
  border-bottom:1px solid rgba(46,64,58,.9);
}
.header-top::after{
  content:"";
  position:absolute;
  inset:0 0 0 auto;
  width:clamp(120px,24vw,340px);
  background:linear-gradient(115deg,transparent 0 42%,rgba(0,230,118,.18) 42% 60%,rgba(0,240,255,.14) 60% 100%);
  pointer-events:none;
}
.header-top__inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.8rem clamp(1rem,3vw,2.5rem);
  min-height:66px;
  padding-block:.7rem;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  color:var(--paper);
  text-decoration:none;
}
.brand__mark{
  display:grid;
  place-items:center;
  width:2.35rem;
  height:2.35rem;
  border-radius:10px 3px 10px 3px;
  background:var(--brand);
  color:var(--deep-green);
  font-family:var(--font-mono);
  font-size:1rem;
  font-weight:800;
  transform:skewX(-6deg);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:1.05rem;font-weight:900;letter-spacing:.02em;}
.brand__tag{
  font-family:var(--font-mono);
  font-size:.66rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}

.header-status{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  margin:0;
  padding:.35rem .85rem;
  border:1px solid var(--ink-600);
  border-radius:999px;
  background:rgba(28,39,36,.75);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--mist);
  white-space:nowrap;
}
.status-dot{
  width:.5rem;height:.5rem;
  border-radius:50%;
  background:var(--brand);
  animation:pulse 1.8s ease-out infinite;
}
.status__label{letter-spacing:.1em;}
.status__value{color:var(--cyan);font-weight:800;}
.status__note{color:var(--ink-600);}

@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,230,118,.55);}
  70%{box-shadow:0 0 0 8px rgba(0,230,118,0);}
  100%{box-shadow:0 0 0 0 rgba(0,230,118,0);}
}

.header-top__actions{
  display:flex;
  align-items:center;
  gap:.65rem;
  margin-left:auto;
}

/* 下层：主要栏目 */
.header-main__inner{
  display:flex;
  align-items:center;
  gap:1rem;
  min-height:58px;
  padding-block:.3rem;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:.55rem;
  padding:.5rem .8rem;
  border:1px solid var(--ink-600);
  border-radius:8px;
  background:var(--ink-700);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.1em;
  cursor:pointer;
}
.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;height:2px;
  background:var(--brand);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  background:var(--brand);
  transition:transform var(--t-fast);
}
.nav-toggle__bars::before{top:-5px;}
.nav-toggle__bars::after{top:5px;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg);}
.nav-toggle__label{line-height:1;}

.primary-nav{display:block;}
.primary-nav__list{
  counter-reset:navlink;
  display:flex;
  flex-wrap:wrap;
  gap:clamp(.35rem,1.6vw,1.4rem);
  margin:0;
  padding:0;
  list-style:none;
}
.primary-nav__list li{counter-increment:navlink;}
.primary-nav__list a{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:.5rem;
  padding:.6rem .15rem;
  color:var(--mist);
  font-size:.95rem;
  font-weight:700;
  text-decoration:none;
  transition:color var(--t-fast);
}
.primary-nav__list a::before{
  content:counter(navlink,decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:.62rem;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-600);
  transition:color var(--t-fast);
}
.primary-nav__list a::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:.18rem;
  height:2px;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transition:right var(--t-mid) ease;
}
.primary-nav__list a:hover,
.primary-nav__list a:focus-visible{color:var(--paper);}
.primary-nav__list a:hover::after,
.primary-nav__list a:focus-visible::after{right:0;}
.primary-nav__list a[aria-current="page"]{color:var(--paper);}
.primary-nav__list a[aria-current="page"]::after{right:0;}
.primary-nav__list a[aria-current="page"]::before{color:var(--brand);}

.header-index{
  margin:0 0 0 auto;
  font-family:var(--font-mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
  white-space:nowrap;
}

.header-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:rgba(46,64,58,.55);
  overflow:hidden;
}
.header-progress__bar{
  display:block;
  width:100%;height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--brand),var(--cyan) 58%,var(--orange));
  transition:transform 90ms linear;
}

body.nav-open{overflow:hidden;}

@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .header-index{display:none;}
  .header-status{order:3;width:100%;justify-content:center;}
  .header-top__inner{gap:.7rem;}
  .header-top__actions{margin-left:auto;}

  .primary-nav{
    position:absolute;
    left:0;right:0;top:100%;
    z-index:5;
    max-height:calc(100vh - 6rem);
    overflow-y:auto;
    padding:.9rem var(--edge) 1.35rem;
    background:var(--ink-800);
    border-bottom:1px solid var(--ink-600);
    box-shadow:0 30px 60px -32px #000;
  }
  .primary-nav[data-open="true"]{display:block;}
  .primary-nav[data-open="false"]{display:none;}
  .primary-nav__list{flex-direction:column;gap:0;}
  .primary-nav__list li{border-bottom:1px dashed rgba(46,64,58,.85);}
  .primary-nav__list a{
    width:100%;
    padding:.85rem .1rem;
    font-size:1.05rem;
    justify-content:flex-start;
  }
  .primary-nav__list a::after{display:none;}
  .primary-nav__list a[aria-current="page"]::before{color:var(--brand);}
  .primary-nav__list a[aria-current="page"]{color:var(--brand);}
}

@media (max-width:520px){
  .brand__tag{display:none;}
  .header-status{font-size:.66rem;gap:.35rem;}
}

/* ============================================================
   页脚
   ============================================================ */

.site-footer{
  position:relative;
  margin-top:clamp(3rem,8vw,7rem);
  background:var(--ink-800);
  border-top:1px solid var(--ink-600);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:200px;
  background:radial-gradient(120% 100% at 10% 100%,rgba(0,230,118,.16),transparent 62%);
  pointer-events:none;
}

.footer-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(220px,1.7fr) repeat(3,minmax(130px,1fr)) minmax(210px,1.4fr);
  gap:clamp(1.5rem,2.6vw,2.8rem);
  padding-block:clamp(2.4rem,5vw,4rem);
}

.footer-brand{display:flex;flex-direction:column;gap:.85rem;}
.footer-brand__line{
  margin:0;
  font-weight:800;
  color:var(--paper);
}
.footer-brand__note{
  margin:0;
  color:var(--mist);
  font-size:.86rem;
  line-height:1.65;
}

.footer-col__title{
  margin:0 0 .85rem;
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brand);
}
.footer-col__title::after{
  content:"";
  display:block;
  width:22px;height:1px;
  margin-top:.5rem;
  background:var(--ink-600);
}
.footer-col__list{
  margin:0;
  padding:0;
  list-style:none;
}
.footer-col__list li{margin-bottom:.15rem;}
.footer-col__list a{
  display:inline-block;
  padding:.22rem 0;
  color:var(--mist);
  font-size:.92rem;
  text-decoration:none;
  transition:color var(--t-fast),transform var(--t-fast);
}
.footer-col__list a:hover,
.footer-col__list a:focus-visible{color:var(--cyan);transform:translateX(3px);}

.footer-contact{
  margin:0 0 .8rem;
  padding:0;
  list-style:none;
}
.footer-contact__item{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.35rem .6rem;
  padding:.45rem 0;
  border-bottom:1px dashed rgba(46,64,58,.85);
}
.footer-contact__item:last-child{border-bottom:0;}
.footer-contact__label{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
}
.footer-contact__value{
  flex:1 1 100%;
  font-family:var(--font-mono);
  font-size:.86rem;
  font-weight:600;
  color:var(--paper);
  word-break:break-all;
}

.copy-btn{
  padding:.2rem .5rem;
  border:1px solid var(--ink-600);
  border-radius:999px;
  background:transparent;
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.1em;
  cursor:pointer;
  transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast);
}
.copy-btn:hover{border-color:var(--cyan);color:var(--cyan);}
.copy-btn.is-copied{
  background:var(--brand);
  border-color:var(--brand);
  color:var(--deep-green);
}
.copy-btn__text{line-height:1;}

.footer-base{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  gap:.5rem 1.5rem;
  justify-content:space-between;
  padding-block:1.1rem 1.6rem;
  border-top:1px dashed var(--ink-600);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--mist);
}
.footer-base__meta,
.footer-base__icp{margin:0;}

@media (max-width:1100px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:620px){
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-brand{grid-column:auto;}
  .footer-base{justify-content:flex-start;}
}

/* ============================================================
   响应式与动效偏好
   ============================================================ */

@media (max-width:900px){
  .grid--5-7,
  .grid--3-9{grid-template-columns:minmax(0,1fr);}
  body{font-size:16px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,
  *::before,
  *::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  .has-js [data-reveal]{opacity:1;transform:none;}
  .header-progress__bar{transition:none;}
}