/* ============================================================
   欧巴体育 · 共享样式 /assets/site.css
   纵向叙事长卷 · 玻璃命令栏 + 实色内容层 · 珠宝色分区
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 20px);
}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}
hr{border:0}

/* ---------- 2. 变量 ---------- */
:root{
  --green-void:#0B1F1A;
  --green-stand:#123A31;
  --green-mid:#1E5346;
  --paper:#F2F6F4;
  --mist:#9FB6AC;
  --away:#FF7A2F;
  --stoppage:#E23B2E;
  --indigo:#3B4E8C;
  --wine:#7B2E3C;
  --gold:#D8A93B;
  --stone:#6E8F86;

  --line:rgba(110,143,134,.28);
  --line-soft:rgba(110,143,134,.16);
  --glass:rgba(18,58,49,.66);
  --paper-dim:rgba(242,246,244,.84);
  --paper-faint:rgba(242,246,244,.64);
  --ink-on-away:#0B1F1A;

  --maxw:1280px;
  --gutter:clamp(18px,4vw,48px);
  --radius:3px;
  --header-h:64px;
  --header-h-sm:46px;

  --font-display:"Archivo","Barlow Condensed","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-data:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  background-color:var(--green-void);
  background-image:
    linear-gradient(to right,rgba(110,143,134,.075) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(110,143,134,.05) 1px,transparent 1px);
  background-size:72px 72px,72px 72px;
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.16;
  color:var(--paper);
}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.125rem;font-weight:700;letter-spacing:-.01em;line-height:1.4}
h4{font-size:.9375rem;font-weight:700;letter-spacing:.01em}
p{margin-bottom:1em}
a{text-decoration:none}
strong{font-weight:700;color:var(--paper)}
::selection{background:var(--away);color:var(--ink-on-away)}

.num,.mono,[data-num]{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.02em;
}

/* 焦点可见 */
:focus-visible{
  outline:2px solid var(--away);
  outline-offset:3px;
  border-radius:2px;
}
:focus:not(:focus-visible){outline:none}

/* ---------- 4. 跳至正文 ---------- */
.skip-link{
  position:absolute;
  left:var(--gutter);
  top:8px;
  z-index:120;
  padding:9px 16px;
  background:var(--away);
  color:var(--ink-on-away);
  font-family:var(--font-display);
  font-weight:700;
  font-size:.875rem;
  border-radius:var(--radius);
  transform:translateY(-260%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. 页头命令栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,31,26,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
  color:var(--paper);
}
.cmd-bar{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,28px);
  transition:min-height .2s ease;
}
.site-header.is-collapsed .cmd-bar{min-height:var(--header-h-sm)}

.cmd-brand{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:10px;
}
.cmd-brand__mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  background:var(--away);
  color:var(--ink-on-away);
  font-family:var(--font-data);
  font-weight:700;
  font-size:.75rem;
  letter-spacing:.04em;
  border-radius:2px;
  transition:width .2s ease,height .2s ease,font-size .2s ease;
}
.site-header.is-collapsed .cmd-brand__mark{width:26px;height:26px;font-size:.625rem}
.cmd-brand__text{display:flex;flex-direction:column;line-height:1.15;overflow:hidden}
.cmd-brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.0625rem;
  letter-spacing:.02em;
}
.cmd-brand__sub{
  max-height:16px;
  overflow:hidden;
  font-family:var(--font-data);
  font-size:.6875rem;
  letter-spacing:.02em;
  color:var(--mist);
  transition:max-height .2s ease,opacity .2s ease;
}
.site-header.is-collapsed .cmd-brand__sub{max-height:0;opacity:0}

.cmd-nav{margin-left:auto;display:flex;align-items:center}
.cmd-nav__list{display:flex;align-items:center;gap:clamp(2px,.9vw,12px)}
.cmd-nav__item{display:block}
.cmd-nav__link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:6px;
  padding:9px 8px 10px;
  color:var(--mist);
  font-size:.875rem;
  font-weight:500;
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.cmd-nav__idx{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:.6875rem;
  letter-spacing:.06em;
  color:var(--stone);
  transition:color .18s ease;
}
.cmd-nav__link:hover,
.cmd-nav__link:focus-visible{color:var(--paper)}
.cmd-nav__link:hover .cmd-nav__idx,
.cmd-nav__link:focus-visible .cmd-nav__idx{color:var(--away)}
.cmd-nav__link[aria-current="page"]{
  color:var(--paper);
  border-bottom-color:var(--away);
}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx{color:var(--away)}

.cmd-nav__status{
  display:none;
  margin:0 0 0 4px;
  padding-left:16px;
  border-left:1px solid var(--line);
  font-family:var(--font-data);
  font-size:.6875rem;
  letter-spacing:.04em;
  color:var(--mist);
  white-space:nowrap;
}
@media (min-width:1240px){.cmd-nav__status{display:block}}

.nav-toggle{
  display:none;
  margin-left:auto;
  align-items:center;
  gap:9px;
  padding:7px 13px;
  border:1px solid var(--line);
  border-radius:2px;
  color:var(--paper);
  font-size:.8125rem;
  font-weight:500;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--away);color:var(--away)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:2px;
  background:var(--away);
  transition:transform .2s ease;
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-4px) rotate(-45deg)}

.scroll-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:3px;
  background:rgba(110,143,134,.16);
  overflow:hidden;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:var(--away);
  transition:width .1s linear;
}

/* ---------- 6. 移动导航 ---------- */
@media (max-width:960px){
  .nav-toggle{display:inline-flex}
  .cmd-nav{
    position:absolute;
    left:0;right:0;top:100%;
    display:block;
    margin:0;
    padding:6px var(--gutter) 22px;
    background:rgba(13,40,33,.97);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .18s ease,transform .18s ease,visibility .18s;
  }
  .cmd-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .cmd-nav__list{display:block}
  .cmd-nav__item{border-bottom:1px solid var(--line-soft)}
  .cmd-nav__link{
    display:flex;
    padding:14px 0;
    font-size:1rem;
    border-bottom:2px solid transparent;
  }
  .cmd-nav__idx{font-size:.75rem}
  .cmd-nav__link[aria-current="page"]{padding-left:10px}
  .cmd-nav__status{display:block;margin:16px 0 0;padding:14px 0 0;border-left:0;border-top:1px solid var(--line-soft)}
}

/* ---------- 7. 布局容器 ---------- */
#main-content{display:block}
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
}
.wrap--narrow{max-width:820px}
.section{padding:clamp(40px,7vw,88px) 0}
.section--tight{padding:clamp(24px,4vw,48px) 0}

.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--7-3{grid-template-columns:minmax(0,7fr) minmax(0,3fr)}
.grid--main-side{grid-template-columns:minmax(0,1fr) minmax(240px,320px)}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--7-3,.grid--main-side{grid-template-columns:minmax(0,1fr)}
}

/* 五国联赛并排泳道 */
.lanes{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:8px}
.grid--lanes{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:1px;
  min-width:860px;
  background:var(--line);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.lane{
  background:var(--green-void);
  padding:clamp(14px,1.6vw,22px);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.lane--away{background:linear-gradient(180deg,rgba(255,122,47,.1),transparent 62%)}
.lane--indigo{background:linear-gradient(180deg,rgba(59,78,140,.24),transparent 62%)}
.lane--wine{background:linear-gradient(180deg,rgba(123,46,60,.26),transparent 62%)}
.lane--gold{background:linear-gradient(180deg,rgba(216,169,59,.16),transparent 62%)}
.lane__tag{
  font-family:var(--font-data);
  font-size:.6875rem;
  letter-spacing:.12em;
  color:var(--mist);
}

/* ---------- 8. 正文与章节头 ---------- */
.prose{max-width:72ch}
.prose p{color:var(--paper-dim)}
.prose h2{margin:1.6em 0 .6em}
.prose h3{margin:1.4em 0 .5em;color:var(--paper)}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.2em;color:var(--paper-dim)}
.prose ul li{list-style:square}
.prose ol li{list-style:decimal}
.prose li{margin-bottom:.4em}
.prose a{color:var(--away);border-bottom:1px solid rgba(255,122,47,.4)}
.prose a:hover{border-bottom-color:var(--away)}

.lede{
  font-size:clamp(1.0625rem,1.6vw,1.25rem);
  line-height:1.7;
  color:var(--paper);
  max-width:64ch;
}
.eyebrow{
  font-family:var(--font-data);
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--gold);
  margin-bottom:12px;
}
.section-head{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:clamp(18px,3vw,34px);
}
.section-head__no{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:.8125rem;
  letter-spacing:.1em;
  color:var(--away);
}
.section-head h2{margin:0}
.section-head__note{
  font-size:.8125rem;
  color:var(--mist);
  margin-left:auto;
}

.chapter{position:relative}
.chapter__no{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:.8125rem;
  letter-spacing:.14em;
  color:var(--away);
}

/* 色带 */
.band{display:block;height:8px;background:var(--green-mid);border:0}
.band-line{display:block;height:8px;background:var(--green-mid);border:0;transform-origin:left center}
.band-line--away{background:var(--away)}
.band-line--wine{background:var(--wine)}
.band-line--indigo{background:var(--indigo)}
.band-line--gold{background:var(--gold)}
.band-line--stoppage{background:var(--stoppage)}
.rule{display:block;height:1px;background:var(--line);border:0}

/* ---------- 9. 数据组件 ---------- */
.dtable{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:.9rem;
}
.dtable th,.dtable td{
  padding:10px 12px;
  text-align:right;
  border-bottom:1px solid var(--line-soft);
}
.dtable th:first-child,.dtable td:first-child{
  text-align:left;
  font-family:var(--font-body);
}
.dtable thead th{
  background:var(--green-mid);
  color:var(--paper);
  font-weight:500;
  font-size:.75rem;
  letter-spacing:.06em;
  border-bottom:1px solid var(--line);
}
.dtable tbody tr:hover{background:rgba(110,143,134,.08)}
.dtable td.is-accent{color:var(--away)}
.dtable td.is-stoppage{color:var(--stoppage)}

.stat{display:flex;flex-direction:column;gap:6px}
.stat__value{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:clamp(1.6rem,3.4vw,2.6rem);
  font-weight:600;
  line-height:1;
  letter-spacing:-.01em;
  color:var(--away);
}
.stat__value--stoppage{color:var(--stoppage)}
.stat__value--gold{color:var(--gold)}
.stat__value--paper{color:var(--paper)}
.stat__label{font-size:.8125rem;color:var(--mist)}

.spec{display:grid;grid-template-columns:auto 1fr;gap:10px 22px}
.spec dt{font-family:var(--font-data);font-size:.8125rem;color:var(--mist);white-space:nowrap}
.spec dd{margin:0;color:var(--paper-dim)}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  font-family:var(--font-data);
  font-size:.75rem;
  letter-spacing:.02em;
  color:var(--mist);
}
.chip--away{border-color:rgba(255,122,47,.55);color:var(--away)}
.chip--stoppage{border-color:rgba(226,59,46,.55);color:var(--stoppage)}
.chip--gold{border-color:rgba(216,169,59,.5);color:var(--gold)}
.chip--indigo{border-color:rgba(59,78,140,.75);color:#9FAEE0}
.chip--wine{border-color:rgba(123,46,60,.85);color:#D99AA6}

.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(14px,2vw,22px);
}

/* ---------- 10. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-family:var(--font-display);
  font-weight:700;
  font-size:.9375rem;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn--away{background:var(--away);color:var(--ink-on-away)}
.btn--away:hover{background:#FF9257}
.btn--ghost{border-color:var(--line);color:var(--paper)}
.btn--ghost:hover{border-color:var(--away);color:var(--away)}
.btn--line{border-color:var(--stone);color:var(--paper)}
.btn--line:hover{border-color:var(--gold);color:var(--gold)}
.btn:active{transform:translateY(1px)}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb{
  max-width:var(--maxw);
  margin:0 auto;
  padding:18px var(--gutter) 0;
  font-family:var(--font-data);
  font-size:.8125rem;
  color:var(--mist);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--stone)}
.breadcrumb a{color:var(--mist)}
.breadcrumb a:hover{color:var(--away)}
.breadcrumb [aria-current="page"]{color:var(--paper)}

/* ---------- 12. 问答折叠 ---------- */
.qa-list{border-top:1px solid var(--line)}
.qa-item{border-bottom:1px solid var(--line)}
.qa-item__q{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:18px 0;
  cursor:pointer;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.0625rem;
  letter-spacing:-.01em;
  color:var(--paper);
  list-style:none;
}
.qa-item__q::-webkit-details-marker{display:none}
.qa-item__q::before{
  content:"＋";
  font-family:var(--font-data);
  font-size:.9rem;
  color:var(--away);
}
.qa-item[open] .qa-item__q::before{content:"－"}
.qa-item__a{padding:0 0 20px 26px;color:var(--paper-dim);max-width:74ch}
.qa-item__a p:last-child{margin-bottom:0}

/* ---------- 13. 图片容器（页面阶段放图） ---------- */
.figure{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:var(--green-stand);
  background-image:repeating-linear-gradient(
    90deg,
    rgba(110,143,134,.09) 0 2px,
    transparent 2px 14px
  );
  border:1px solid var(--line-soft);
  margin:0;
}
.figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.figure--wide{aspect-ratio:21/9}
.figure--std{aspect-ratio:16/9}
.figure--tall{aspect-ratio:4/5}
.figure--square{aspect-ratio:1/1}
.figure__cap{
  margin-top:10px;
  font-family:var(--font-data);
  font-size:.75rem;
  letter-spacing:.02em;
  color:var(--mist);
}
@media (max-width:640px){
  .figure--wide{aspect-ratio:16/9}
  .figure--tall{aspect-ratio:3/4}
}

/* ---------- 14. 显现与工具 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .4s ease,transform .4s ease;
}
html.js [data-reveal].is-in{opacity:1;transform:none}
html.js .band-line[data-band]{transform:scaleX(0)}
html.js .band-line[data-band].is-in{transform:scaleX(1);transition:transform .24s ease-out}

[data-chapter-nav] a{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding:8px 0;
  color:var(--mist);
  font-size:.875rem;
  border-bottom:1px solid var(--line-soft);
}
[data-chapter-nav] a .num{color:var(--stone);font-size:.75rem}
[data-chapter-nav] a:hover{color:var(--paper)}
[data-chapter-nav] a.is-current{color:var(--away);border-bottom-color:var(--away)}
[data-chapter-nav] a.is-current .num{color:var(--away)}

.to-top{
  position:fixed;
  right:clamp(14px,3vw,32px);
  bottom:clamp(14px,3vw,32px);
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 15px;
  background:var(--green-stand);
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:var(--paper);
  font-family:var(--font-data);
  font-size:.75rem;
  letter-spacing:.06em;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s,border-color .18s ease,color .18s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--away);color:var(--away)}

/* ---------- 15. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:var(--green-stand);
  border-top:1px solid var(--line);
  color:var(--paper);
}
.footer-band{
  height:8px;
  background:linear-gradient(
    90deg,
    var(--wine) 0 20%,
    var(--gold) 20% 40%,
    var(--indigo) 40% 60%,
    var(--away) 60% 80%,
    var(--green-mid) 80% 100%
  );
}
.footer-inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(32px,5vw,64px) var(--gutter);
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:clamp(26px,4vw,72px);
}
.footer-lead{display:flex;flex-direction:column;gap:14px}
.footer-brand{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.375rem;
  letter-spacing:-.01em;
  color:var(--paper);
}
.footer-brand:hover{color:var(--away)}
.footer-tagline{
  font-size:.9375rem;
  color:var(--mist);
  max-width:34ch;
  margin:0;
}
.footer-cta{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 0}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(20px,3vw,48px);
}
.footer-col__title{
  font-family:var(--font-data);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--gold);
  margin-bottom:14px;
}
.footer-list{display:grid;gap:9px;counter-reset:fl}
.footer-list li{
  counter-increment:fl;
  display:flex;
  align-items:baseline;
  gap:10px;
}
.footer-list li::before{
  content:counter(fl,decimal-leading-zero);
  font-family:var(--font-data);
  font-size:.6875rem;
  letter-spacing:.06em;
  color:var(--stone);
}
.footer-list a{
  font-size:.9375rem;
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-list a:hover{color:var(--paper);border-bottom-color:var(--away)}
.footer-list a[aria-current="page"]{color:var(--away)}

.footer-meta{
  max-width:var(--maxw);
  margin:0 auto;
  padding:22px var(--gutter) clamp(28px,4vw,48px);
  border-top:1px solid var(--line);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-contact{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:.8125rem;
  letter-spacing:.02em;
  color:var(--paper);
  margin:0;
}
.footer-note{font-size:.8125rem;color:var(--mist);max-width:80ch;margin:0}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-family:var(--font-data);
  font-size:.75rem;
  letter-spacing:.04em;
  color:var(--mist);
  margin:6px 0 0;
}
.footer-legal__sep{color:var(--stone)}
.footer-closing{
  font-size:.8125rem;
  color:var(--stone);
  margin:0;
}

@media (max-width:820px){
  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:460px){
  .footer-cols{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 16. 降级与偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.js [data-reveal]{opacity:1;transform:none}
  html.js .band-line[data-band]{transform:none}
}

@media print{
  .site-header,.to-top,.scroll-progress{display:none}
  body{background:#fff;color:#111}
}