/* ============================================================
   微玩体育 · 全站共享样式表  /assets/site.css
   墨场底色 + 荧光青锚点 + 信号橙数据高亮
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink-900:#06110F;
  --ink-800:#0C1F1B;
  --glass:#14302A;
  --cyan:#2FF3D6;
  --teal:#12A38F;
  --orange:#FF7A2F;
  --amber:#FFC24B;
  --red:#FF4D5E;
  --paper:#F2F7F5;
  --mist:#93A8A3;
  --white:#FFFFFF;

  --text:#D3E2DE;
  --text-dim:#93A8A3;

  --line:rgba(147,168,163,.16);
  --line-soft:rgba(147,168,163,.09);
  --line-strong:rgba(47,243,214,.30);

  --surface-1:rgba(12,31,27,.86);
  --surface-glass:rgba(20,48,42,.55);

  --font-display:"Arial Narrow","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --shell-max:1320px;
  --gutter:20px;
  --gap:24px;
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);

  scroll-padding-top:136px;
}

@media (min-width:768px){ :root{ --gutter:40px; } }
@media (min-width:1280px){ :root{ --gutter:64px; } }
@media (max-width:900px){ :root{ scroll-padding-top:88px; } }

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after{ box-sizing:border-box; }

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

body{
  margin:0;
  min-height:100%;
  background-color:var(--ink-900);
  background-image:
    linear-gradient(rgba(47,243,214,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,243,214,.028) 1px,transparent 1px);
  background-size:56px 56px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

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

button,
input,
select,
textarea{ font:inherit; color:inherit; }

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

ul,
ol{ margin:0; padding:0; }

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

/* ---------- 3. 基础排版 ---------- */
h1,
h2,
h3,
h4{
  margin:0 0 .55em;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.12;
  letter-spacing:.01em;
  color:var(--white);
}

h1{ font-size:clamp(34px,6vw,64px); }
h2{ font-size:clamp(24px,3.4vw,38px); }
h3{ font-size:clamp(19px,2.2vw,24px); }
h4{ font-size:17px; letter-spacing:.04em; }

p{ margin:0 0 1.1em; }

::selection{ background:var(--cyan); color:#04140F; }

/* ---------- 4. 布局工具 ---------- */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{ padding-block:clamp(44px,6vw,88px); }
.section--tight{ padding-block:clamp(28px,4vw,48px); }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  flex:none;
  background:var(--cyan);
}

.lede{
  max-width:66ch;
  margin:0 0 1.2em;
  font-size:17px;
  line-height:1.8;
  color:#B9CBC7;
}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--gap);
}

/* ---------- 5. 头部外壳 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(6,17,15,.94);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line-strong);
}

.skip-link{
  position:absolute;
  left:16px;
  top:-72px;
  z-index:120;
  padding:10px 18px;
  background:var(--cyan);
  color:#04140F;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-decoration:none;
  border-radius:var(--radius);
  transition:top .12s var(--ease);
}
.skip-link:focus{ top:12px; }

.progress-rail{
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:2px;
  background:rgba(47,243,214,.10);
  overflow:hidden;
  z-index:2;
}
.progress-rail__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--teal),var(--cyan));
  box-shadow:0 0 14px rgba(47,243,214,.65);
  transition:width .1s linear;
}

/* ---------- 6. 刊头 ---------- */
.masthead{
  padding:16px 0 13px;
  transition:padding .18s var(--ease);
}

.masthead__inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  column-gap:20px;
}

.masthead__issue{
  grid-column:1;
  grid-row:1;
  justify-self:start;
  margin:0;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.11em;
  color:var(--text-dim);
  transition:opacity .16s var(--ease);
}

.masthead__brand{
  grid-column:2;
  grid-row:1;
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:inherit;
}

.masthead__mark{
  width:10px;
  height:10px;
  flex:none;
  background:var(--cyan);
  transform:rotate(45deg);
  box-shadow:0 0 16px rgba(47,243,214,.75);
  transition:width .18s var(--ease),height .18s var(--ease);
}

.masthead__text{
  display:flex;
  flex-direction:column;
  line-height:1.16;
}

.masthead__name{
  font-family:var(--font-display);
  font-size:26px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--white);
  transition:font-size .18s var(--ease);
}

.masthead__descriptor{
  font-size:10px;
  letter-spacing:.2em;
  color:var(--text-dim);
  transition:opacity .16s var(--ease);
}

.masthead__utility{
  grid-column:3;
  grid-row:1;
  justify-self:end;
  display:flex;
  gap:8px;
}

/* 滚动收拢态 */
.site-header.is-condensed .masthead{ padding:8px 0 7px; }
.site-header.is-condensed .masthead__issue{ display:none; }
.site-header.is-condensed .masthead__name{ font-size:19px; }
.site-header.is-condensed .masthead__mark{ width:8px; height:8px; }

/* ---------- 7. 胶囊入口 ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:rgba(20,48,42,.6);
  color:#CFE2DE;
  font-size:12px;
  letter-spacing:.1em;
  text-decoration:none;
  white-space:nowrap;
  transition:border-color .14s var(--ease),color .14s var(--ease),background-color .14s var(--ease);
}
.chip::before{
  content:"";
  width:6px;
  height:6px;
  flex:none;
  background:currentColor;
  transform:rotate(45deg);
  opacity:.75;
}
.chip:hover{
  border-color:var(--cyan);
  background:rgba(47,243,214,.1);
  color:#FFFFFF;
}
.chip--accent{
  border-color:rgba(255,122,47,.5);
  color:var(--orange);
}
.chip--accent:hover{
  border-color:var(--orange);
  background:rgba(255,122,47,.12);
  color:var(--orange);
}

/* ---------- 8. 导航条 ---------- */
.nav-strip{
  background:rgba(12,31,27,.74);
  border-top:1px solid var(--line);
}

.nav-strip__inner{
  display:flex;
  justify-content:center;
}

.nav-strip__list{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:stretch;
  gap:0;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-strip__list li{ display:flex; }

.nav-strip__list a{
  position:relative;
  display:flex;
  align-items:center;
  padding:12px 18px;
  font-size:14px;
  font-weight:500;
  letter-spacing:.08em;
  color:#AEC2BD;
  text-decoration:none;
  transition:color .12s var(--ease),background-color .12s var(--ease);
}
.nav-strip__list a::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:6px;
  height:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:50% 50%;
  transition:transform .16s var(--ease);
}
.nav-strip__list a:hover{
  color:#FFFFFF;
  background:rgba(47,243,214,.06);
}
.nav-strip__list a:hover::after,
.nav-strip__list a[aria-current="page"]::after{ transform:scaleX(1); }

.nav-strip__list a[aria-current="page"]{ color:var(--cyan); }

/* ---------- 9. 移动导航按钮 ---------- */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 13px;
  background:rgba(20,48,42,.8);
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  color:#CFE2DE;
  font-size:12px;
  letter-spacing:.16em;
  cursor:pointer;
  transition:border-color .14s var(--ease),color .14s var(--ease);
}
.nav-toggle:hover{ border-color:var(--cyan); color:#FFFFFF; }

.nav-toggle__bars{
  display:grid;
  gap:3px;
  width:16px;
  flex:none;
}
.nav-toggle__bars i{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform .12s var(--ease),opacity .12s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){ transform:translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){ transform:translateY(-5px) rotate(-45deg); }

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  padding:56px 0 24px;
  background:var(--ink-900);
  color:var(--text-dim);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,243,214,.75),transparent);
}

.footer__top{
  display:grid;
  grid-template-columns:minmax(220px,1fr) minmax(0,2.4fr);
  gap:48px 56px;
  align-items:start;
}

.footer__logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--white);
}
.footer__mark{
  width:12px;
  height:12px;
  flex:none;
  background:var(--cyan);
  transform:rotate(45deg);
  box-shadow:0 0 18px rgba(47,243,214,.7);
}
.footer__name{
  font-family:var(--font-display);
  font-size:24px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--white);
}
.footer__tagline{
  margin:14px 0 0;
  font-size:13px;
  letter-spacing:.2em;
  color:#AFC2BD;
}
.footer__meta{
  margin:6px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--text-dim);
}

.footer__cols{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px 24px;
}

.footer__col-title{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 14px;
  font-family:var(--font-display);
  font-size:12px;
  font-weight:800;
  letter-spacing:.2em;
  color:#CFE2DE;
}
.footer__col-title::before{
  content:"";
  width:14px;
  height:2px;
  flex:none;
  background:var(--cyan);
}

.footer__links{
  list-style:none;
  display:grid;
  gap:10px;
}
.footer__links a{
  display:inline-block;
  font-size:14px;
  line-height:1.6;
  color:var(--text-dim);
  text-decoration:none;
  transition:color .12s var(--ease);
}
.footer__links a::before{
  content:"";
  display:inline-block;
  width:0;
  height:1px;
  margin-right:0;
  vertical-align:middle;
  background:var(--cyan);
  transition:width .14s var(--ease),margin-right .14s var(--ease);
}
.footer__links a:hover{ color:var(--cyan); }
.footer__links a:hover::before{ width:10px; margin-right:7px; }

.footer__contact{
  margin-top:44px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.footer__contact-item{
  padding:16px 20px;
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.footer__contact-label{
  display:block;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer__contact-value{
  margin:6px 0 0;
  font-size:14px;
  line-height:1.6;
  color:#DCE7E4;
  word-break:break-word;
}

.footer__note{
  margin:14px 0 0;
  font-size:13px;
  line-height:1.7;
  color:var(--text-dim);
}

.footer__base{
  margin-top:34px;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  font-size:12.5px;
  letter-spacing:.05em;
}
.footer__copy{ margin:0; color:#B7C9C5; }
.footer__icp{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-dim);
}
.footer__legal{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin:0 0 0 auto;
}
.footer__legal a{
  color:var(--text-dim);
  text-decoration:none;
  transition:color .12s var(--ease);
}
.footer__legal a:hover{ color:var(--cyan); }

/* ---------- 11. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--radius);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.12em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .14s var(--ease),border-color .14s var(--ease),color .14s var(--ease);
}
.btn::after{
  content:"→";
  font-family:var(--font-body);
  font-weight:400;
  transition:transform .14s var(--ease);
}
.btn:hover::after{ transform:translateX(3px); }

.btn--primary{ background:var(--cyan); color:#04140F; }
.btn--primary:hover{ background:#5BF7E1; }

.btn--ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:#DCE7E4;
}
.btn--ghost:hover{ border-color:var(--cyan); color:var(--cyan); }

.btn--signal{
  background:var(--orange);
  color:#180800;
}
.btn--signal:hover{ background:#FF9657; }

/* ---------- 12. 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  margin:0 0 24px;
  padding:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--text-dim);
}
.breadcrumb li{ display:flex; align-items:center; gap:8px; }
.breadcrumb li + li::before{
  content:"/";
  color:rgba(47,243,214,.5);
}
.breadcrumb a{
  color:var(--text-dim);
  text-decoration:none;
  transition:color .12s var(--ease);
}
.breadcrumb a:hover{ color:var(--cyan); }
.breadcrumb [aria-current="page"]{ color:#DCE7E4; }

/* ---------- 13. 正文容器 ---------- */
.prose{
  max-width:72ch;
  font-size:17px;
  line-height:1.85;
  color:#C8D8D4;
}
.prose > * + *{ margin-top:1.1em; }
.prose h2{ margin-top:1.6em; margin-bottom:.5em; }
.prose h3{ margin-top:1.4em; margin-bottom:.45em; }
.prose ul,
.prose ol{ padding-left:1.3em; }
.prose li{ margin-bottom:.4em; }
.prose a{ color:var(--cyan); }
.prose strong{ color:var(--white); }
.prose blockquote{
  margin:1.4em 0;
  padding:14px 20px;
  border-left:2px solid var(--cyan);
  background:var(--surface-glass);
  color:#DCE7E4;
}

/* ---------- 14. 网格与 Bento ---------- */
.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--gap);
}

.bento__cell{
  position:relative;
  grid-column:span 4;
  padding:24px;
  background:var(--ink-800);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .14s var(--ease),border-color .14s var(--ease);
}
.bento__cell:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
}

.bento__cell--glass{
  background:var(--surface-glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-color:rgba(47,243,214,.18);
}

.bento__cell--s3{ grid-column:span 3; }
.bento__cell--s4{ grid-column:span 4; }
.bento__cell--s5{ grid-column:span 5; }
.bento__cell--s6{ grid-column:span 6; }
.bento__cell--s8{ grid-column:span 8; }
.bento__cell--full{ grid-column:1 / -1; }

/* ---------- 15. 图片占位容器 ---------- */
.figure-frame{
  position:relative;
  overflow:hidden;
  display:block;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(140deg,#0C1F1B 0%,#14302A 100%);
}
.figure-frame::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(47,243,214,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,243,214,.07) 1px,transparent 1px);
  background-size:32px 32px;
}
.figure-frame img{
  position:relative;
  z-index:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.figure-frame--16x9{ aspect-ratio:16 / 9; }
.figure-frame--4x3{ aspect-ratio:4 / 3; }
.figure-frame--1x1{ aspect-ratio:1 / 1; }
.figure-frame__caption{
  margin:8px 0 0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--text-dim);
}

/* ---------- 16. 坐标索引栏 ---------- */
.data-index{
  position:sticky;
  top:150px;
  align-self:start;
  display:grid;
  gap:2px;
  border-left:1px solid var(--line);
}
.data-index__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  margin-left:-1px;
  padding:9px 12px;
  border-left:2px solid transparent;
  font-size:13px;
  letter-spacing:.06em;
  color:var(--text-dim);
  text-decoration:none;
  transition:color .14s var(--ease),border-color .14s var(--ease),background-color .14s var(--ease);
}
.data-index__link:hover{
  color:#FFFFFF;
  background:rgba(47,243,214,.05);
}
.data-index__link.is-active{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:rgba(47,243,214,.06);
}
.data-index__num{
  font-family:var(--font-mono);
  font-size:11px;
  color:rgba(147,168,163,.7);
}

/* ---------- 17. 指标与状态 ---------- */
.stat{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.stat__value{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(36px,6vw,88px);
  font-weight:700;
  line-height:.98;
  letter-spacing:-.02em;
  color:var(--white);
}
.stat__value--accent{ color:var(--cyan); }
.stat__value--signal{ color:var(--orange); }
.stat__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--text-dim);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid currentColor;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mist);
  white-space:nowrap;
}
.tag--live{ color:var(--cyan); }
.tag--warn{ color:var(--amber); }
.tag--out{ color:var(--red); }

/* ---------- 18. 响应式 ---------- */
@media (max-width:1000px){
  .footer__top{ grid-template-columns:1fr; gap:36px; }
  .footer__cols{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer__contact{ grid-template-columns:1fr; }
}

@media (max-width:900px){
  .masthead{ padding:10px 0; }
  .masthead__inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
  }
  .masthead__issue,
  .masthead__utility{ display:none; }
  .masthead__brand{ order:1; min-width:0; }
  .nav-toggle{ display:inline-flex; order:2; }

  .site-header.is-condensed .masthead__name{ font-size:19px; }

  .nav-strip{
    position:fixed;
    left:0;
    right:0;
    bottom:0;
    top:auto;
    z-index:90;
    max-height:76vh;
    overflow-y:auto;
    padding:10px 14px calc(16px + env(safe-area-inset-bottom));
    background:rgba(9,24,21,.98);
    border-top:1px solid var(--line-strong);
    border-bottom:0;
    transform:translateY(103%);
    visibility:hidden;
    transition:transform .2s var(--ease),visibility .2s var(--ease);
  }
  .nav-strip[data-open]{
    transform:translateY(0);
    visibility:visible;
  }

  .nav-strip__inner{ display:block; }
  .nav-strip__list{
    flex-direction:column;
    flex-wrap:nowrap;
    align-items:stretch;
  }
  .nav-strip__list li{ width:100%; }
  .nav-strip__list a{
    justify-content:flex-start;
    padding:15px 16px;
    border-bottom:1px solid rgba(147,168,163,.12);
    font-size:15px;
  }
  .nav-strip__list a::after{ display:none; }
  .nav-strip__list a[aria-current="page"]{
    color:var(--cyan);
    background:rgba(47,243,214,.08);
    box-shadow:inset 3px 0 0 var(--cyan);
  }

  .site-footer{ padding-bottom:104px; }

  .grid-12{ grid-template-columns:repeat(6,minmax(0,1fr)); gap:16px; }

  .bento{ grid-template-columns:repeat(6,minmax(0,1fr)); gap:16px; }
  .bento__cell--s3,
  .bento__cell--s4{ grid-column:span 3; }
  .bento__cell--s5,
  .bento__cell--s6,
  .bento__cell--s8{ grid-column:span 6; }

  .data-index{
    position:static;
    display:flex;
    gap:8px;
    overflow-x:auto;
    border-left:0;
    border-bottom:1px solid var(--line);
    padding-bottom:10px;
    margin-bottom:24px;
  }
  .data-index__link{
    flex:none;
    border-left:0;
    border-bottom:2px solid transparent;
    margin-left:0;
    padding:8px 12px;
    white-space:nowrap;
  }
  .data-index__link.is-active{ border-left:0; border-bottom-color:var(--cyan); }
}

@media (max-width:600px){
  .footer__cols{ grid-template-columns:1fr; gap:24px; }
  .footer__legal{ margin-left:0; }

  .grid-12{ grid-template-columns:1fr; }
  .bento{ grid-template-columns:1fr; }
  .bento__cell--s3,
  .bento__cell--s4,
  .bento__cell--s5,
  .bento__cell--s6,
  .bento__cell--s8,
  .bento__cell--full{ grid-column:1 / -1; }

  .footer__base{ font-size:12px; }
}

/* ---------- 19. 动效与偏好 ---------- */
@media (prefers-reduced-motion:no-preference){
  html{ scroll-behavior:smooth; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .bento__cell:hover{ transform:none; }
}