/* ============================================================
   BEPLAY 品牌站 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 侧边轨道页头 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dt,dd,figure,blockquote,pre{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
p{max-width:72ch}

/* ---------- 2. 设计变量 ---------- */
:root{
  --c-deep:#0B1F3A;
  --c-steel:#122E52;
  --c-cyan:#22D3C5;
  --c-cyan-soft:#7FE7DF;
  --c-orange:#FF8A3D;
  --c-orange-soft:#FFC08A;
  --c-paper:#F5F7FA;
  --c-ink:#0A1220;

  --text:#D9E5F1;
  --text-dim:#93ACC4;
  --text-strong:#FFFFFF;
  --line:rgba(127,231,223,.20);
  --line-strong:rgba(127,231,223,.42);

  --shadow-hard:5px 5px 0 var(--c-ink);
  --shadow-hard-sm:3px 3px 0 var(--c-ink);
  --rail-w:268px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;

  --step-1:44px;
  --step-2:34px;
  --step-3:26px;
  --step-4:20px;
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--c-deep);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.004em;
}
h1,h2,h3,h4{color:var(--text-strong);font-weight:800;line-height:1.22;letter-spacing:-.01em}
h1{font-size:var(--step-1)}
h2{font-size:var(--step-2)}
h3{font-size:var(--step-3)}
h4{font-size:var(--step-4)}
strong{font-weight:700;color:var(--text-strong)}
code,kbd,samp,pre{font-family:var(--font-mono)}
:focus-visible{outline:2px solid var(--c-orange);outline-offset:2px}
::selection{background:var(--c-cyan);color:var(--c-ink)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  transform:translateY(-180%);
  display:inline-block;
  padding:10px 16px;
  background:var(--c-orange);
  color:var(--c-ink);
  border:2px solid var(--c-ink);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0);text-decoration:none}

/* ---------- 5. 内容宽度 ---------- */
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 28px}
.wrap-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 28px}

/* ---------- 6. 页头 · 轨道导航 ---------- */
.site-header{
  z-index:80;
  color:var(--text);
  background-color:var(--c-ink);
  background-image:
    linear-gradient(rgba(34,211,197,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,211,197,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand:hover{text-decoration:none}
.brand-mark{
  flex:0 0 auto;
  width:42px;height:42px;
  display:grid;place-items:center;
  background:var(--c-cyan);
  color:var(--c-ink);
  border:2px solid var(--c-ink);
  box-shadow:3px 3px 0 var(--c-orange);
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  transition:background-color .15s var(--ease),box-shadow .15s var(--ease);
}
.brand:hover .brand-mark{background:var(--c-orange);box-shadow:3px 3px 0 var(--c-cyan)}
.brand-copy{display:flex;flex-direction:column;gap:1px;min-width:0}
.brand-name{font-size:16px;font-weight:800;color:var(--text-strong);letter-spacing:.01em;line-height:1.3}
.brand-line{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--c-cyan-soft);line-height:1.4}
.rail-tagline{color:var(--text-dim)}

.nav-toggle{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 13px;
  background:rgba(34,211,197,.08);
  border:2px solid var(--c-cyan);
  color:var(--c-cyan-soft);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.08em;
  transition:border-color .15s var(--ease),color .15s var(--ease),background-color .15s var(--ease);
}
.nav-toggle:hover{border-color:var(--c-orange);color:var(--c-orange-soft);background:rgba(255,138,61,.1)}
.nav-toggle-icon{position:relative;display:block;width:18px;height:12px;flex:0 0 auto}
.nav-toggle-icon::before,.nav-toggle-icon::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;
  transition:transform .18s var(--ease);
}
.nav-toggle-icon::before{top:0}
.nav-toggle-icon::after{bottom:0}
.site-header[data-open] .nav-toggle-icon::before{transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle-icon::after{transform:translateY(-5px) rotate(-45deg)}

.site-nav{min-width:0}
.nav-kicker{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--text-dim);
  text-transform:uppercase;
  padding-bottom:8px;
  border-bottom:1px dashed var(--line);
}
.nav-list{display:flex;flex-direction:column;gap:6px;padding-top:12px}
.nav-link{
  display:flex;align-items:center;gap:12px;
  padding:9px 12px;
  border:2px solid transparent;
  color:#C7D8E8;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  transition:border-color .15s var(--ease),background-color .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.nav-num{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;color:var(--c-cyan-soft)}
.nav-link:hover,.nav-link:focus-visible{
  color:var(--text-strong);
  background:rgba(34,211,197,.10);
  border-color:var(--c-cyan);
  transform:translateX(2px);
  text-decoration:none;
}
.nav-link[aria-current="page"]{
  color:var(--text-strong);
  background:rgba(255,138,61,.14);
  border-color:var(--c-orange);
}
.nav-link[aria-current="page"] .nav-num{color:var(--c-orange-soft)}

.rail-actions{display:flex;flex-direction:column;gap:9px;padding-top:18px}
.rail-status{
  display:flex;align-items:center;gap:9px;
  margin-top:14px;padding-top:12px;
  border-top:1px dashed var(--line);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--text-dim);
}
.rail-status .dot{flex:0 0 auto;width:8px;height:8px;background:var(--c-cyan);box-shadow:0 0 0 3px rgba(34,211,197,.18)}

/* 移动端 / 平板：粘性顶栏 + 抽屉 */
@media (max-width:1079px){
  .site-header{
    position:sticky;top:0;
    display:grid;
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:
      "brand toggle"
      "tag tag"
      "nav nav";
    align-items:center;
    gap:8px 12px;
    padding:12px 16px;
    border-bottom:2px solid var(--c-cyan);
    transition:border-color .15s var(--ease);
  }
  .site-header[data-open]{border-bottom-color:var(--c-orange)}
  .rail-top{grid-area:brand;min-width:0}
  .rail-tagline{grid-area:tag;font-size:13px;line-height:1.5;color:var(--text-dim)}
  .nav-toggle{grid-area:toggle}
  .rail-top .brand-name{font-size:15px}
  .rail-top .brand-mark{width:36px;height:36px;font-size:13px}
  .site-nav{
    grid-area:nav;
    display:none;
    margin-top:6px;
    padding-top:12px;
    border-top:1px solid var(--line-strong);
    max-height:calc(100vh - 150px);
    overflow-y:auto;
  }
  .site-header[data-open] .site-nav{display:block;animation:navIn .18s var(--ease) both}
  .nav-list{padding-top:10px}
  .nav-link{padding:11px 12px}
  .rail-actions{padding-top:14px}
}
@keyframes navIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* 桌面端：左侧常驻轨道 */
@media (min-width:1080px){
  body{padding-left:var(--rail-w)}
  .skip-link{left:calc(var(--rail-w) + 10px)}
  .site-header{
    position:fixed;top:0;left:0;bottom:0;
    width:var(--rail-w);
    display:flex;flex-direction:column;
    gap:14px;
    padding:26px 20px 22px;
    overflow-y:auto;
    border-right:2px solid var(--c-ink);
    box-shadow:6px 0 0 rgba(34,211,197,.12);
  }
  .rail-top{display:flex;align-items:center}
  .rail-tagline{
    font-family:var(--font-mono);
    font-size:11.5px;
    line-height:1.6;
    letter-spacing:.04em;
    color:var(--c-cyan-soft);
    border-left:2px solid var(--c-orange);
    padding-left:10px;
    max-width:24ch;
  }
  .nav-toggle{display:none}
  .site-nav{display:flex;flex-direction:column;flex:1 1 auto}
  .rail-actions{margin-top:auto}
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  margin-top:0;
  background-color:var(--c-ink);
  color:var(--text);
  border-top:2px solid var(--c-ink);
  background-image:
    linear-gradient(rgba(255,138,61,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,138,61,.055) 1px,transparent 1px);
  background-size:32px 32px;
}
.footer-inner{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1fr) minmax(0,1fr);
  gap:34px;
  padding-top:52px;
  padding-bottom:42px;
}
.footer-identity{
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-cyan-soft);
  line-height:1.7;
}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.footer-contact-row{display:grid;grid-template-columns:76px minmax(0,1fr);gap:12px;align-items:baseline}
.footer-contact dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--text-dim);
}
.footer-contact dd{font-size:14.5px;line-height:1.6;color:#C7D8E8}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--c-cyan-soft);
  padding-bottom:10px;
  margin-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-link{
  display:inline-block;
  font-size:15px;
  color:#C7D8E8;
  padding-bottom:1px;
  border-bottom:1px solid transparent;
  transition:color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
}
.footer-link:hover,.footer-link:focus-visible{
  color:var(--c-orange-soft);
  border-bottom-color:var(--c-orange);
  transform:translateX(2px);
  text-decoration:none;
}
.footer-base{background:rgba(11,31,58,.55);border-top:1px solid var(--line)}
.footer-base-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 26px;
  padding-top:18px;padding-bottom:22px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--text-dim);
}
.footer-base-inner p{max-width:none}
.footer-legal{
  color:var(--c-orange-soft);
  border:2px solid rgba(255,138,61,.5);
  padding:3px 10px;
  font-size:12px;
}
.footer-note{color:var(--text-dim)}
.footer-copy{color:var(--text-dim)}

/* ---------- 8. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;
  background:var(--c-paper);
  color:var(--c-ink);
  border:2px solid var(--c-ink);
  box-shadow:var(--shadow-hard-sm);
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:700;
  line-height:1.25;
  text-align:center;
  text-decoration:none;
  transition:transform .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease),background-color .15s var(--ease),color .15s var(--ease);
}
.btn:hover,.btn:focus-visible{
  transform:translate(-2px,-2px);
  box-shadow:5px 5px 0 var(--c-ink);
  border-color:var(--c-cyan);
  text-decoration:none;
}
.btn:active{transform:translate(0,0);box-shadow:2px 2px 0 var(--c-ink)}
.btn-accent{background:var(--c-orange);color:var(--c-ink);border-color:var(--c-ink)}
.btn-accent:hover,.btn-accent:focus-visible{background:var(--c-orange-soft);border-color:var(--c-cyan)}
.btn-ghost{
  background:rgba(34,211,197,.08);
  color:var(--c-cyan-soft);
  border-color:var(--c-cyan);
  box-shadow:3px 3px 0 rgba(34,211,197,.28);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  background:rgba(34,211,197,.18);
  color:var(--text-strong);
  border-color:var(--c-orange);
  box-shadow:5px 5px 0 rgba(255,138,61,.35);
}
.btn-quiet{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;
  color:var(--c-cyan-soft);
  border-bottom:2px solid var(--c-cyan);
  padding-bottom:2px;
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.btn-quiet:hover,.btn-quiet:focus-visible{color:var(--c-orange-soft);border-bottom-color:var(--c-orange);text-decoration:none}
.btn-block{width:100%}

/* ---------- 9. 章节与色带 ---------- */
.section{padding:60px 0}
.section-tight{padding:36px 0}
.section-head{display:flex;flex-direction:column;gap:10px;max-width:760px;margin-bottom:26px}
.eyebrow{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--c-cyan-soft);
}
.eyebrow::before{content:"";flex:0 0 auto;width:22px;height:2px;background:var(--c-orange)}
.section-title{font-size:var(--step-2)}
.section-lede{font-size:16px;color:var(--text-dim)}
.band-steel{
  background:var(--c-steel);
  border-top:2px solid var(--c-ink);
  border-bottom:2px solid var(--c-ink);
}
.band-light{
  background:var(--c-paper);
  color:#1B2E45;
  border-top:2px solid var(--c-ink);
  border-bottom:2px solid var(--c-ink);
}
.band-light h1,.band-light h2,.band-light h3,.band-light h4{color:var(--c-ink)}
.band-light .section-lede{color:#4B6178}
.band-light .eyebrow{color:#0B6B64}

/* ---------- 10. 网格 ---------- */
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:22px;align-items:start}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-12{grid-column:span 12}

/* ---------- 11. 面板 ---------- */
.panel{
  position:relative;
  padding:22px;
  background:var(--c-steel);
  border:2px solid var(--c-ink);
  box-shadow:var(--shadow-hard);
  transition:border-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease);
}
.panel:hover{border-color:var(--c-cyan);transform:translateY(-2px)}
.band-light .panel{background:#FFFFFF}
.panel-head{
  display:flex;flex-wrap:wrap;gap:8px 14px;
  align-items:baseline;justify-content:space-between;
  padding-bottom:13px;margin-bottom:16px;
  border-bottom:1px dashed var(--line-strong);
}
.panel-title{font-size:20px;font-weight:800;color:var(--text-strong)}
.band-light .panel-title{color:var(--c-ink)}
.panel-meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--text-dim)}
.band-light .panel-meta{color:#5B7290}
.panel-body{font-size:15.5px}

/* ---------- 12. 索引列表 ---------- */
.index-list{display:flex;flex-direction:column}
.index-item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:14px;
  align-items:baseline;
  padding:13px 4px;
  border-bottom:1px solid var(--line);
  color:inherit;
  text-decoration:none;
  transition:background-color .15s var(--ease),padding-left .15s var(--ease);
}
.index-list .index-item:first-child{border-top:1px solid var(--line)}
.index-item:hover,.index-item:focus-visible{background:rgba(34,211,197,.09);padding-left:10px;text-decoration:none}
.index-num{font-family:var(--font-mono);font-size:12px;color:var(--c-orange-soft);letter-spacing:.04em}
.index-text{font-size:15.5px;color:var(--text);line-height:1.6}
.index-item:hover .index-text{color:var(--text-strong)}
.index-tag{font-family:var(--font-mono);font-size:11px;color:var(--text-dim);white-space:nowrap}
.band-light .index-item{border-bottom-color:rgba(10,18,32,.14)}
.band-light .index-text{color:#1B2E45}

/* ---------- 13. 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;
  border:2px solid currentColor;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  line-height:1.5;
  color:var(--c-cyan-soft);
}
.chip-orange{color:var(--c-orange-soft)}
.chip-ink{color:var(--c-ink);background:var(--c-orange-soft);border-color:var(--c-ink)}

/* ---------- 14. 面包屑 ---------- */
.breadcrumb{margin-top:24px}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--text-dim)}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line-strong)}
.breadcrumb a{color:var(--c-cyan-soft);text-decoration:none;border-bottom:1px solid transparent;transition:color .15s var(--ease),border-color .15s var(--ease)}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--c-orange-soft);border-bottom-color:var(--c-orange)}
.breadcrumb [aria-current="page"]{color:var(--text-strong)}

/* ---------- 15. 图片容器基准 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  background:var(--c-steel);
  border:2px solid var(--c-ink);
  box-shadow:var(--shadow-hard);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame .media-fallback{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(34,211,197,.16) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,211,197,.16) 1px,transparent 1px);
  background-size:22px 22px;
}
.ratio-21x9{aspect-ratio:21/9;min-height:140px}
.ratio-16x9{aspect-ratio:16/9;min-height:160px}
.ratio-4x3{aspect-ratio:4/3;min-height:180px}
.ratio-1x1{aspect-ratio:1/1;min-height:180px}
.media-caption{margin-top:10px;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.04em;color:var(--text-dim)}
.band-light .media-caption{color:#5B7290}

/* ---------- 16. 旁注 ---------- */
.note{
  padding:14px 16px;
  background:rgba(255,138,61,.09);
  border-left:3px solid var(--c-orange);
  font-size:15px;
  color:#DCE7F2;
}
.note-title{
  display:block;
  margin-bottom:6px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--c-orange-soft);
}
.band-light .note{background:rgba(255,138,61,.16);color:#1B2E45}
.band-light .note-title{color:#8A4A17}

/* ---------- 17. 数据表 ---------- */
.data-table{width:100%;border-collapse:collapse;font-size:15px}
.data-table th,.data-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.data-table th{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  font-weight:500;
  color:var(--c-cyan-soft);
  border-bottom:2px solid var(--line-strong);
}
.data-table tbody tr{transition:background-color .15s var(--ease)}
.data-table tbody tr:hover{background:rgba(34,211,197,.08)}
.band-light .data-table th{color:#0B6B64;border-bottom-color:rgba(10,18,32,.3)}
.band-light .data-table th,.band-light .data-table td{border-bottom-color:rgba(10,18,32,.14)}

/* ---------- 18. 公告带 ---------- */
.ticker{
  background:var(--c-steel);
  border-top:2px solid var(--c-ink);
  border-bottom:2px solid var(--c-ink);
}
.ticker-track{
  display:flex;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.ticker-track:focus-visible{outline:2px solid var(--c-orange);outline-offset:-4px}
.ticker-item{
  flex:0 0 min(360px,82%);
  padding:16px 18px;
  border-right:1px solid var(--line);
  scroll-snap-align:start;
  font-size:14.5px;
}
.ticker-item:last-child{border-right:0}

/* ---------- 19. 阅读进度 / 进场 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;z-index:120;
  height:3px;width:0;
  background:var(--c-cyan);
  pointer-events:none;
  opacity:0;
  transition:width .1s linear,opacity .2s var(--ease);
}
@media (min-width:1080px){.scroll-progress{left:var(--rail-w)}}

html.js-reveal [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
html.js-reveal [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 20. 响应式 ---------- */
@media (max-width:980px){
  .col-3,.col-4,.col-5{grid-column:span 6}
  .col-7,.col-8,.col-9{grid-column:span 12}
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
  .footer-brand{grid-column:1/-1}
  .section{padding:48px 0}
}
@media (max-width:760px){
  body{font-size:16px}
  h1{font-size:33px}
  h2{font-size:25.5px}
  h3{font-size:19.5px}
  h4{font-size:17px}
  .wrap,.wrap-narrow{padding:0 18px}
  .section{padding:40px 0}
  .section-tight{padding:28px 0}
  .panel{padding:18px;box-shadow:4px 4px 0 var(--c-ink)}
  .media-frame{box-shadow:4px 4px 0 var(--c-ink)}
  .index-item{grid-template-columns:auto minmax(0,1fr);row-gap:4px}
  .index-tag{grid-column:2}
  .footer-inner{padding-top:38px;padding-bottom:32px}
  .footer-contact-row{grid-template-columns:minmax(0,1fr);gap:2px}
  .footer-base-inner{font-size:12px}
}
@media (max-width:560px){
  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .btn{width:100%}
  .btn-block{width:100%}
}

/* ---------- 21. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .panel:hover{transform:none}
  .btn:hover,.btn:focus-visible{transform:none}
  .nav-link:hover,.nav-link:focus-visible{transform:none}
  .footer-link:hover,.footer-link:focus-visible{transform:none}
  html.js-reveal [data-reveal]{opacity:1;transform:none}
}