/* ============================================================
   三升体育 · 共享样式 /assets/site.css
   侧轨 + 12 列内容网格 · 高原夜蓝近单色体系 · 粗野主义细节
   ============================================================ */

/* ---------- 1. Token ---------- */
:root{
  --night:#0B1B2B;
  --night-deep:#06111C;
  --steel:#1C3247;
  --lake:#2FA7A0;
  --grass:#5FBF6B;
  --amber:#F28C45;
  --legacy:#7C8FA3;
  --mist:#E8EEF3;
  --paper:#F4EFE4;
  --warn:#C9652F;

  --rail-w:240px;
  --bar-h:70px;
  --gutter:clamp(16px,3vw,40px);
  --maxw:1280px;

  --line:rgba(232,238,243,.16);
  --line-soft:rgba(232,238,243,.09);
  --line-strong:rgba(232,238,243,.34);
  --shadow-hard:8px 8px 0 rgba(6,17,28,.72);
  --shadow-soft:4px 4px 0 rgba(6,17,28,.55);
  --ease:cubic-bezier(.22,.68,.3,1);

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,"DejaVu Sans Mono",Menlo,Consolas,monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg,video{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
p,h1,h2,h3,h4,h5,h6,figure{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
::selection{background:rgba(47,167,160,.42);color:var(--paper)}

/* ---------- 3. 基础排版 ---------- */
html{background-color:var(--night-deep)}
body{
  padding-left:var(--rail-w);
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.75;
  color:var(--mist);
  background-color:var(--night);
  background-image:
    radial-gradient(circle at 84% -8%, rgba(47,167,160,.20), transparent 46%),
    radial-gradient(circle at 4% 104%, rgba(242,140,69,.10), transparent 48%),
    radial-gradient(circle, rgba(232,238,243,.10) 0.8px, transparent 1.4px);
  background-size:100% 100%,100% 100%,30px 30px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{
  font-family:var(--font-serif);
  font-weight:700;
  line-height:1.22;
  letter-spacing:.005em;
  color:var(--paper);
}
h1{font-size:clamp(2.2rem,4.6vw,4.2rem)}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem)}
h3{font-size:clamp(1.2rem,1.7vw,1.5rem)}
h4{font-size:1.05rem}
strong{color:var(--paper);font-weight:700}
main{display:block}
#main-content{scroll-margin-top:24px}

/* ---------- 4. 工具类 ---------- */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(36px,5vw,72px)}
.section--tight{padding-block:clamp(22px,3vw,40px)}
.prose{max-width:68ch}
.prose p{margin:0 0 1.05em}
.prose p:last-child{margin-bottom:0}
.prose ul,.prose ol{margin:0 0 1.05em;padding-left:1.15em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.35em}
.prose a{color:var(--lake);text-decoration:none;border-bottom:1px solid rgba(47,167,160,.45)}
.prose a:hover{border-bottom-color:var(--lake)}
.lede{font-size:clamp(1.02rem,1.2vw,1.16rem);color:rgba(232,238,243,.82);max-width:64ch}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(232,238,243,.55);
}
.tag-label{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--lake);
  background:rgba(47,167,160,.10);
  border:1px solid rgba(47,167,160,.45);
  padding:4px 9px;
  white-space:nowrap;
}
.tag-label--legacy{color:var(--legacy);background:rgba(124,143,163,.12);border-color:rgba(124,143,163,.42)}
.tag-label--amber{color:var(--amber);background:rgba(242,140,69,.10);border-color:rgba(242,140,69,.42)}
.metric{
  font-family:var(--font-mono);font-weight:700;
  font-size:clamp(1.8rem,3.4vw,3rem);
  line-height:1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--amber);
}
.num{font-family:var(--font-mono);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 5. 网格 ---------- */
.grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(14px,2vw,24px);
}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}
@media (max-width:900px){
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 12}
}
@media (min-width:641px) and (max-width:900px){
  .span-3,.span-4{grid-column:span 6}
}

/* ---------- 6. 面板与数据块 ---------- */
.panel{
  position:relative;
  padding:clamp(16px,2.2vw,28px);
  background:linear-gradient(180deg,rgba(28,50,71,.95),rgba(11,27,43,.92));
  border:2px solid var(--line);
  box-shadow:var(--shadow-hard);
  color:var(--mist);
}
.panel__head{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:11px;margin-bottom:16px;
  border-bottom:2px solid var(--line-soft);
}
.panel__title{
  font-family:var(--font-sans);
  font-weight:700;font-size:.82rem;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--mist);
}
.panel--accent{
  border-color:rgba(47,167,160,.62);
  box-shadow:8px 8px 0 rgba(47,167,160,.20);
}
.panel--legacy{
  background:linear-gradient(180deg,rgba(124,143,163,.16),rgba(6,17,28,.62));
  border-color:rgba(124,143,163,.38);
  box-shadow:8px 8px 0 rgba(6,17,28,.6);
  color:rgba(232,238,243,.72);
}
.panel--legacy .panel__title{color:var(--legacy);font-weight:400;letter-spacing:.1em}
.panel--legacy .metric{color:var(--legacy);font-weight:400}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 20px;
  font-family:var(--font-sans);font-size:.95rem;font-weight:700;letter-spacing:.02em;
  line-height:1.15;text-decoration:none;cursor:pointer;
  color:var(--mist);
  background:transparent;
  border:2px solid var(--line-strong);
  box-shadow:var(--shadow-soft);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(6,17,28,.72);border-color:var(--mist)}
.btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(6,17,28,.72)}
.btn--primary{background:var(--lake);border-color:var(--lake);color:#04181b}
.btn--primary:hover{background:#37bdb5;border-color:#37bdb5}
.btn--amber{background:var(--amber);border-color:var(--amber);color:#2a1206}
.btn--amber:hover{background:#f89b5a;border-color:#f89b5a}
.btn--ghost{background:rgba(28,50,71,.5);border-color:var(--line)}
.btn--sm{padding:8px 14px;font-size:.82rem;box-shadow:3px 3px 0 rgba(6,17,28,.6)}

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.09em;
  color:var(--legacy);
}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:9px}
.breadcrumbs__item{display:flex;align-items:center;gap:9px}
.breadcrumbs__item + .breadcrumbs__item::before{
  content:"/";color:rgba(124,143,163,.65);
}
.breadcrumbs__link{
  color:rgba(232,238,243,.78);text-decoration:none;
  border-bottom:1px solid transparent;transition:color .18s,border-color .18s;
}
.breadcrumbs__link:hover{color:var(--lake);border-bottom-color:var(--lake)}
.breadcrumbs__item[aria-current="page"]{color:var(--paper)}

/* ---------- 9. 筛选 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-chip{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  padding:8px 14px;cursor:pointer;
  color:rgba(232,238,243,.72);
  background:rgba(28,50,71,.45);
  border:2px solid var(--line);
  transition:background-color .18s,border-color .18s,color .18s,transform .18s var(--ease);
}
.filter-chip:hover{border-color:var(--lake);color:var(--mist);transform:translateY(-1px)}
.filter-chip[aria-pressed="true"]{
  background:var(--lake);border-color:var(--lake);color:#04181b;font-weight:700;
}
[data-filter-item][hidden]{display:none !important}

/* ---------- 10. 图片容器基础 ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:
    linear-gradient(150deg,rgba(47,167,160,.18),rgba(6,17,28,.92) 62%),
    var(--steel);
  border:2px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__caption{
  position:absolute;left:0;bottom:0;
  padding:6px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--mist);
  background:rgba(6,17,28,.78);
  border-top:1px solid var(--line);
  border-right:1px solid var(--line);
}

/* ---------- 11. 滚动显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .38s var(--ease),transform .38s var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ============================================================
   头部：桌面侧轨 / 移动顶部抽屉
   ============================================================ */
.skip-link{
  position:absolute;top:-100px;left:12px;z-index:200;
  padding:10px 16px;
  font-family:var(--font-sans);font-weight:700;font-size:.9rem;
  color:#04181b;background:var(--amber);
  border:2px solid #04181b;box-shadow:4px 4px 0 rgba(6,17,28,.8);
  text-decoration:none;
  transition:top .18s var(--ease);
}
.skip-link:focus{top:12px}

.site-rail{
  position:fixed;
  inset:0 auto 0 0;
  z-index:60;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  overflow:hidden;
  padding-top:22px;
  color:var(--mist);
  background:
    radial-gradient(circle at 12% 0%, rgba(47,167,160,.18), transparent 58%),
    linear-gradient(180deg,#08151F 0%,#0B1B2B 46%,#071320 100%);
  border-right:2px solid var(--line);
}
.rail__inner{
  display:flex;
  flex-direction:column;
  gap:18px;
  flex:1 1 auto;
  min-height:0;
  padding:0 18px 18px;
  overflow-y:auto;
}

/* 品牌 */
.rail__head{display:flex;flex-direction:column;align-items:flex-start;gap:0}
.rail__brand{
  display:flex;align-items:center;gap:11px;
  text-decoration:none;color:var(--paper);
}
.rail__brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
  width:38px;height:38px;
  font-family:var(--font-serif);font-weight:700;font-size:1.15rem;
  color:#04181b;
  background:linear-gradient(150deg,var(--lake),var(--grass));
  border:2px solid rgba(6,17,28,.9);
  box-shadow:3px 3px 0 rgba(6,17,28,.8);
}
.rail__brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.rail__brand-name{
  font-family:var(--font-serif);font-weight:700;font-size:1.22rem;
  letter-spacing:.04em;line-height:1.2;color:var(--paper);
}
.rail__brand-note{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.11em;
  color:rgba(232,238,243,.52);white-space:nowrap;
}

/* 汉堡按钮 */
.rail__toggle{
  display:none;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:46px;height:42px;padding:0;
  background:rgba(28,50,71,.7);
  border:2px solid var(--line-strong);
  cursor:pointer;
  transition:border-color .18s,background-color .18s;
}
.rail__toggle:hover{border-color:var(--lake);background:rgba(47,167,160,.16)}
.rail__toggle-bar{
  display:block;width:20px;height:2px;background:var(--mist);
  transition:transform .24s var(--ease),opacity .2s ease;
}
.site-rail[data-open="true"] .rail__toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-rail[data-open="true"] .rail__toggle-bar:nth-child(2){opacity:0}
.site-rail[data-open="true"] .rail__toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 抽屉 */
.rail__drawer{
  display:flex;flex-direction:column;gap:20px;
  flex:1 1 auto;min-height:0;
}

/* 导航 */
.rail__nav-title{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:rgba(232,238,243,.4);
  padding-bottom:8px;margin-bottom:8px;
  border-bottom:1px dashed var(--line-soft);
}
.rail__nav-list{display:flex;flex-direction:column;gap:2px;counter-reset:railnav}
.rail__nav-list > li{counter-increment:railnav}
.rail__nav-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  padding:9px 10px 9px 12px;
  font-size:.92rem;letter-spacing:.02em;text-decoration:none;
  color:rgba(232,238,243,.76);
  border-left:2px solid transparent;
  transition:background-color .18s,border-color .18s,color .18s;
}
.rail__nav-link::before{
  content:counter(railnav,decimal-leading-zero);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;
  color:rgba(124,143,163,.85);
  transition:color .18s;
}
.rail__nav-link:hover{
  color:var(--paper);
  background:rgba(47,167,160,.12);
  border-left-color:var(--lake);
}
.rail__nav-link:hover::before{color:var(--lake)}
.rail__nav-link[aria-current="page"]{
  color:var(--paper);font-weight:700;
  background:linear-gradient(90deg,rgba(47,167,160,.26),rgba(47,167,160,0) 92%);
  border-left-color:var(--amber);
}
.rail__nav-link[aria-current="page"]::before{color:var(--amber)}

/* 快捷入口 */
.rail__actions{display:flex;flex-direction:column;gap:8px}
.rail__action{
  display:block;
  padding:11px 12px;
  font-size:.86rem;font-weight:700;letter-spacing:.03em;
  text-decoration:none;text-align:center;
  color:var(--mist);
  background:rgba(28,50,71,.55);
  border:2px solid var(--line-strong);
  box-shadow:3px 3px 0 rgba(6,17,28,.7);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s,border-color .18s,color .18s;
}
.rail__action:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 rgba(6,17,28,.72);border-color:var(--lake);color:var(--paper)}
.rail__action:active{transform:translate(2px,2px);box-shadow:1px 1px 0 rgba(6,17,28,.7)}
.rail__action--primary{
  background:var(--lake);border-color:var(--lake);color:#04181b;
}
.rail__action--primary:hover{background:#37bdb5;border-color:#37bdb5;color:#04181b}

/* 阶段与更新时效 */
.rail__meta{
  margin-top:auto;
  padding-top:14px;
  border-top:2px solid var(--line-soft);
}
.rail__meta-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;
  text-transform:uppercase;color:rgba(232,238,243,.42);
}
.rail__meta-value{
  font-family:var(--font-mono);font-size:.92rem;font-weight:600;
  color:var(--paper);margin-top:3px;
}
.rail__stage{display:flex;flex-direction:column;gap:6px;margin-top:11px}
.rail__stage-item{
  display:flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;
  color:rgba(232,238,243,.66);
}
.rail__dot{
  width:7px;height:7px;flex:0 0 auto;
  background:var(--grass);
  box-shadow:0 0 0 3px rgba(95,191,107,.18);
}
.rail__stage-item--idle .rail__dot{background:var(--legacy);box-shadow:0 0 0 3px rgba(124,143,163,.16)}

/* 滚动进度 */
.rail__progress{
  position:absolute;left:0;right:0;bottom:0;
  height:3px;
  background:rgba(232,238,243,.10);
}
.rail__progress-bar{
  display:block;height:100%;width:100%;
  transform-origin:0 50%;
  transform:scaleX(var(--progress,0));
  background:linear-gradient(90deg,var(--lake),var(--grass) 55%,var(--amber));
  transition:transform .12s linear;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  padding-top:clamp(34px,5vw,62px);
  color:var(--mist);
  background:linear-gradient(180deg,rgba(6,17,28,.35),var(--night-deep) 46%);
  border-top:2px solid var(--line-strong);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--lake),var(--grass) 38%,var(--amber) 74%,var(--legacy));
  opacity:.9;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.05fr 1.45fr .95fr;
  gap:clamp(24px,4vw,54px);
  align-items:start;
}
.footer__kicker{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.24em;
  text-transform:uppercase;color:rgba(124,143,163,.95);
}
.footer__brand-line{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(1.5rem,2.2vw,1.9rem);
  line-height:1.2;color:var(--paper);
  margin-top:8px;
}
.footer__brand-note{
  margin-top:10px;max-width:34ch;
  font-size:.92rem;line-height:1.7;color:rgba(232,238,243,.62);
}
.footer__cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.6vw,30px);
}
.footer__col-title{
  font-family:var(--font-mono);font-size:10.5px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;
  color:rgba(232,238,243,.45);
  padding-bottom:9px;margin-bottom:11px;
  border-bottom:1px dashed var(--line-soft);
}
.footer__list{display:flex;flex-direction:column;gap:8px}
.footer__link{
  display:inline-block;
  font-size:.92rem;
  color:rgba(232,238,243,.76);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s,border-color .18s,padding-left .18s var(--ease);
}
.footer__link:hover{color:var(--lake);border-bottom-color:var(--lake);padding-left:3px}
.footer__contact-list{display:flex;flex-direction:column;gap:10px}
.footer__contact-row{display:flex;flex-direction:column;gap:2px}
.footer__contact-label{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(232,238,243,.4);
}
.footer__contact-value{
  font-family:var(--font-mono);font-size:.84rem;line-height:1.5;
  color:var(--paper);word-break:break-word;
}
.footer__note{
  margin-top:14px;
  font-size:.76rem;line-height:1.65;
  color:rgba(232,238,243,.46);
  padding-top:12px;border-top:1px dashed var(--line-soft);
}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:clamp(28px,4vw,46px);
  padding-block:18px 26px;
  border-top:1px solid var(--line-soft);
}
.footer__icp,.footer__bottom-note{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:rgba(232,238,243,.45);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1180px){
  :root{--rail-w:212px}
  .rail__brand-note{font-size:10px}
}

@media (max-width:960px){
  body{padding-left:0;padding-top:var(--bar-h)}
  #main-content{scroll-margin-top:calc(var(--bar-h) + 12px)}

  .site-rail{
    inset:0 0 auto 0;
    width:100%;
    max-height:100dvh;
    padding-top:0;
    border-right:0;
    border-bottom:2px solid var(--line);
    box-shadow:0 18px 34px rgba(6,17,28,.55);
  }
  .rail__inner{padding:0 var(--gutter);gap:0}
  .rail__head{
    flex-direction:row;align-items:center;justify-content:space-between;
    gap:14px;min-height:var(--bar-h);padding-block:10px;
  }
  .rail__brand-note{display:none}
  .rail__toggle{display:inline-flex}
  .rail__drawer{
    flex:0 0 auto;
    gap:14px;
    max-height:0;
    opacity:0;
    visibility:hidden;
    overflow-y:auto;
    transition:max-height .3s var(--ease),opacity .22s ease,visibility .22s;
  }
  .site-rail[data-open="true"] .rail__drawer{
    max-height:calc(100dvh - var(--bar-h) - 6px);
    opacity:1;visibility:visible;
    padding-bottom:20px;
  }
  .rail__nav-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .rail__nav-link{padding:11px 10px}
  .rail__actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .rail__meta{margin-top:0;padding-top:14px;border-top:1px solid var(--line)}
  .rail__stage{flex-direction:row;flex-wrap:wrap;gap:14px}

  .footer__grid{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer__brand-note{max-width:60ch}
}

@media (max-width:640px){
  body{font-size:16px}
  .rail__nav-list{grid-template-columns:1fr}
  .rail__actions{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .panel{box-shadow:5px 5px 0 rgba(6,17,28,.7)}
  .btn{width:100%}
  .grid{gap:14px}
}

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

/* ---------- 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;
  }
  [data-reveal]{opacity:1 !important;transform:none !important}
  .rail__progress-bar{transition:none}
}