/* ==========================================================================
   6686看台 · 共享样式表 /assets/site.css
   蓝图网格 + 复古出版色 + 编辑部索引式外壳
   ========================================================================== */

/* 01 · 变量 ---------------------------------------------------------------- */
:root{
  --paper:#F5F1E7;
  --paper-2:#E7E0CF;
  --rule:#C6BDA9;
  --ink:#0F1D2E;
  --ink-2:#1B3149;
  --pitch:#1E6B47;
  --pitch-lt:#3F9B6B;
  --lime:#C7F13A;
  --orange:#EE5A2C;
  --muted:#5B6775;
  --brown:#241C16;

  --font-stack:'Oswald','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-display:'Oswald','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'Oswald','Noto Sans SC',ui-monospace,'SFMono-Regular',monospace;

  --maxw:1400px;
  --gutter:clamp(16px,4vw,48px);
  --sp-1:24px;
  --sp-2:40px;
  --sp-3:72px;
  --sp-4:120px;
  --bar-h:56px;
  --grid-unit:64px;
}

/* 02 · Reset --------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:76px}
@media (prefers-reduced-motion: no-preference){
  html{scroll-behavior:smooth}
}
body{
  margin:0;
  background-color:var(--paper);
  color:var(--ink);
  font-family:var(--font-stack);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  background-image:
    linear-gradient(to right, rgba(198,189,169,.34) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198,189,169,.34) 1px, transparent 1px);
  background-size:var(--grid-unit) var(--grid-unit);
  background-position:-1px -1px;
}
img,svg{max-width:100%;display:block}
a{color:var(--pitch);text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--pitch);outline-offset:3px}
.site-header :focus-visible,
.site-footer :focus-visible,
.band :focus-visible,
.card--ink :focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* 03 · 排版 ---------------------------------------------------------------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;color:var(--ink);margin:0 0 .5em;line-height:1.2}
h1{font-weight:300;font-size:clamp(38px,6vw,84px);line-height:.98;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,34px);letter-spacing:-.01em}
h3{font-size:20px}
.display-1{font-family:var(--font-display);font-weight:200;font-size:clamp(48px,9vw,132px);line-height:.92;letter-spacing:-.02em;margin:0}
.display-2{font-family:var(--font-display);font-weight:300;font-size:clamp(34px,5vw,72px);line-height:1;letter-spacing:-.015em;margin:0}
.num-xl{font-family:var(--font-num);font-weight:800;font-variant-numeric:tabular-nums;font-size:clamp(48px,8vw,96px);line-height:.95;letter-spacing:-.02em}
.eyebrow,.index-num{
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.eyebrow{display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:14px;height:1px;background:var(--pitch)}
.index-num{font-size:12px;letter-spacing:.16em}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.7;color:var(--brown);max-width:34em}
.muted{color:var(--muted)}
.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}

/* 04 · 布局容器 ------------------------------------------------------------ */
.container{width:min(var(--maxw),100% - (var(--gutter) * 2));margin-inline:auto}
.section{padding-block:var(--sp-3)}
.section--tight{padding-block:var(--sp-2)}
.rule{height:1px;background:var(--rule);border:0;margin:0}
.band{
  background:var(--ink-2);
  color:var(--paper);
  padding:var(--sp-2) 0;
  border-top:1px solid var(--ink);
  border-bottom:1px solid var(--ink);
}
.band h2,.band h3{color:var(--paper)}
.band a{color:var(--lime)}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--sp-1)}
.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-8{grid-column:span 8}
.col-12{grid-column:span 12}
@media (max-width:900px){
  .grid-12{grid-template-columns:repeat(6,1fr);gap:16px}
  .col-3,.col-4,.col-5,.col-6,.col-8,.col-12{grid-column:span 6}
}
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;
  padding-bottom:12px;border-bottom:1px solid var(--ink);margin-bottom:var(--sp-2);
}
.section-head__num{font-family:var(--font-num);font-size:12px;letter-spacing:.16em;color:var(--pitch)}
.section-head__title{margin:0;font-family:var(--font-display);font-weight:600;font-size:clamp(24px,3.4vw,34px);line-height:1.2;letter-spacing:-.01em}
.band .section-head{border-bottom-color:rgba(245,241,231,.28)}
.band .section-head__title{color:var(--paper)}
.band .section-head__num{color:var(--lime)}

/* 05 · 按钮 ---------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:44px;padding:0 20px;
  border:1px solid var(--ink);border-radius:0;background:transparent;
  color:var(--ink);font-size:14px;letter-spacing:.06em;line-height:1;
  cursor:pointer;text-decoration:none;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn--primary{background:var(--pitch);border-color:var(--pitch);color:var(--paper)}
.btn--primary:hover{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.btn--ghost{border-color:var(--rule);color:var(--brown)}
.btn--ghost:hover{background:var(--ink-2);border-color:var(--ink-2);color:var(--paper)}
.btn--line{border-color:currentColor;color:inherit}
.btn--line:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

/* 06 · 面包屑 -------------------------------------------------------------- */
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;gap:8px;font-size:12px;letter-spacing:.1em;color:var(--muted);padding:0;margin:0 0 var(--sp-1)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--rule)}
.breadcrumb__link{color:var(--muted)}
.breadcrumb__link:hover{color:var(--pitch)}
.breadcrumb__item[aria-current="page"]{color:var(--brown)}

/* 07 · 长文容器 ------------------------------------------------------------ */
.prose{max-width:68ch;font-size:17px;line-height:1.8}
.prose h2{font-size:clamp(22px,2.6vw,28px);margin:1.6em 0 .6em}
.prose h3{margin:1.4em 0 .5em}
.prose p{margin:0 0 1.1em}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.4em}
.prose a{color:var(--pitch);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--orange)}
.prose blockquote{
  margin:1.6em 0;padding:12px 0 12px 20px;
  border-left:3px solid var(--pitch);
  color:var(--brown);font-size:16px;
}
.prose code{font-family:var(--font-num);font-variant-numeric:tabular-nums;background:var(--paper-2);padding:2px 6px;font-size:14px}

/* 08 · 卡片 / 数据 / 标签 -------------------------------------------------- */
.card{border:1px solid var(--rule);background:var(--paper);padding:var(--sp-1);border-radius:0}
.card--paper{background:var(--paper-2);border-color:var(--rule)}
.card--ink{background:var(--ink-2);border-color:var(--ink-2);color:var(--paper)}
.card__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:14px;padding-bottom:12px;border-bottom:1px solid var(--rule);margin-bottom:16px}
.card--ink .card__head{border-bottom-color:rgba(245,241,231,.24)}
.card__title{margin:0;font-family:var(--font-display);font-size:20px;font-weight:600}
.card--ink .card__title{color:var(--paper)}
.card__body{font-size:15.5px}
.card__foot{margin-top:18px;padding-top:12px;border-top:1px solid var(--rule);font-size:12px;letter-spacing:.1em;color:var(--muted)}
.card--ink .card__foot{border-top-color:rgba(245,241,231,.24);color:rgba(245,241,231,.6)}

.stat{display:grid;gap:4px}
.stat__num{font-family:var(--font-num);font-weight:800;font-variant-numeric:tabular-nums;font-size:clamp(40px,6vw,96px);line-height:.95;letter-spacing:-.02em;color:var(--orange);margin:0}
.stat__num--ink{color:var(--ink)}
.stat__num--lime{color:var(--lime)}
.stat__label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.card--ink .stat__label,.band .stat__label{color:rgba(245,241,231,.6)}

.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border:1px solid var(--rule);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);border-radius:0}
.tag--lime{border-color:var(--lime);color:var(--lime);background:rgba(199,241,58,.08)}
.tag--orange{border-color:var(--orange);color:var(--orange)}

.delta{font-family:var(--font-num);font-weight:700;font-variant-numeric:tabular-nums;font-size:14px;letter-spacing:.04em}
.delta--up{color:var(--pitch)}
.delta--down{color:var(--orange)}

.meter{height:6px;background:var(--paper-2);border:1px solid var(--rule);border-radius:0}
.meter__fill{display:block;height:100%;background:var(--pitch-lt)}
.card--ink .meter{background:rgba(245,241,231,.12);border-color:rgba(245,241,231,.24)}

/* 09 · 图片容器（无边框对角线占位 + 图说） -------------------------------- */
.figure{margin:0}
.figure__img{
  position:relative;display:block;width:100%;aspect-ratio:3/2;overflow:hidden;
  background-color:var(--paper-2);
  background-image:linear-gradient(135deg,var(--paper-2) 0 54%,#DCD3BE 54% 100%);
  border:0;
}
.figure--wide .figure__img{aspect-ratio:21/9}
.figure--tall .figure__img{aspect-ratio:4/5}
.figure__img > img{width:100%;height:100%;object-fit:cover;filter:saturate(.96) contrast(1.04)}
.figure__cap{margin-top:8px;font-size:12px;line-height:1.6;letter-spacing:.02em;color:var(--muted)}

/* 10 · 列表行 -------------------------------------------------------------- */
.entry-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.entry{
  display:grid;grid-template-columns:auto 1fr auto;gap:8px 18px;align-items:baseline;
  padding:16px 14px;border-bottom:1px solid var(--rule);
  transition:background-color .18s ease,color .18s ease;
}
.entry:hover{background:var(--ink);color:var(--paper)}
.entry__idx{font-family:var(--font-num);font-size:12px;letter-spacing:.16em;color:var(--muted);font-variant-numeric:tabular-nums}
.entry__title{margin:0;font-size:17px;font-weight:600}
.entry__meta{font-family:var(--font-num);font-size:12px;letter-spacing:.08em;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.entry:hover .entry__idx,.entry:hover .entry__meta{color:var(--lime)}
.entry:hover a{color:var(--paper)}
@media (max-width:640px){
  .entry{grid-template-columns:auto 1fr;gap:4px 14px}
  .entry__meta{grid-column:2;white-space:normal}
}

/* 11 · 左侧纵向栏目索引 ---------------------------------------------------- */
.rail-index{display:none}
@media (min-width:1400px){
  .rail-index{
    display:grid;gap:6px;position:fixed;top:50%;left:clamp(12px,2.2vw,32px);
    transform:translateY(-50%);z-index:40;
  }
}
.rail-index__link{
  display:flex;align-items:center;gap:8px;
  padding:5px 0 5px 10px;border-left:1px solid var(--rule);
  font-size:12px;letter-spacing:.08em;color:var(--muted);
  transition:color .18s ease,border-color .18s ease;
}
.rail-index__link::before{content:"";width:5px;height:5px;background:var(--rule);flex:none;transition:background-color .18s ease}
.rail-index__link:hover{color:var(--ink);border-left-color:var(--pitch)}
.rail-index__link[data-active="true"]{color:var(--ink);border-left-color:var(--pitch)}
.rail-index__link[data-active="true"]::before{background:var(--lime);outline:1px solid var(--pitch)}

/* 12 · 显现动效 ------------------------------------------------------------ */
.reveal{opacity:1}
@media (prefers-reduced-motion: no-preference){
  html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
  html.js .reveal[data-shown="true"]{opacity:1;transform:none}
}

/* 13 · 跳过链接 ------------------------------------------------------------ */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 16px;background:var(--lime);color:var(--ink);
  font-size:13px;letter-spacing:.08em;
  transform:translateY(-160%);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0)}

/* 14 · 顶部命令栏 ---------------------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  color:var(--paper);
  border-bottom:1px solid rgba(245,241,231,.14);
}
.cmdbar{position:relative}
.cmdbar__inner{
  display:flex;align-items:center;gap:var(--sp-1);
  width:min(100%,var(--maxw));height:var(--bar-h);
  margin-inline:auto;padding-inline:var(--gutter);
}
.brand{
  display:flex;flex-direction:column;justify-content:center;gap:2px;
  padding-right:var(--sp-1);
  border-right:1px solid rgba(245,241,231,.16);
  color:var(--paper);text-decoration:none;flex:none;
}
.brand__mark{font-family:var(--font-display);font-weight:600;font-size:18px;line-height:1;letter-spacing:.02em}
.brand__sub{font-size:10px;letter-spacing:.13em;color:rgba(245,241,231,.6);white-space:nowrap}
.brand:hover .brand__mark{color:var(--lime)}

.cmdbar__panel{display:flex;align-items:center;gap:var(--sp-1);flex:1 1 auto;min-width:0}
.cmdnav{flex:1 1 auto;min-width:0}
.cmdnav__list{display:flex;justify-content:center;gap:2px;list-style:none;margin:0;padding:0}
.cmdnav__item{list-style:none}
.cmdnav__link{
  display:inline-flex;align-items:center;gap:7px;height:var(--bar-h);padding:0 12px;
  color:rgba(245,241,231,.78);font-size:13.5px;letter-spacing:.04em;
  border-bottom:2px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.cmdnav__idx{font-family:var(--font-num);font-size:10.5px;letter-spacing:.14em;color:rgba(199,241,58,.5);font-variant-numeric:tabular-nums}
.cmdnav__label{white-space:nowrap}
.cmdnav__link:hover{background:rgba(199,241,58,.1);color:var(--paper)}
.cmdnav__link:hover .cmdnav__idx{color:var(--lime)}
.cmdnav__link[aria-current="page"]{color:var(--paper);border-bottom-color:var(--lime)}
.cmdnav__link[aria-current="page"] .cmdnav__idx{color:var(--lime)}
.cmdnav__link[aria-current="page"] .cmdnav__label::after{
  content:"";display:inline-block;width:5px;height:5px;margin-left:7px;
  background:var(--lime);vertical-align:middle;
}

.cmdbar__tools{display:flex;align-items:center;gap:12px;padding-left:var(--sp-1);border-left:1px solid rgba(245,241,231,.16);flex:none}
.status{display:inline-flex;align-items:center;gap:7px;margin:0;font-size:11.5px;letter-spacing:.08em;color:rgba(245,241,231,.72);white-space:nowrap}
.status__dot{width:7px;height:7px;background:var(--lime);flex:none;animation:beacon 2.6s ease-in-out infinite}
@keyframes beacon{0%,100%{opacity:1}50%{opacity:.3}}
.cmdbtn{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;
  border:1px solid rgba(245,241,231,.3);color:var(--paper);
  font-size:12px;letter-spacing:.08em;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.cmdbtn:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.cmdbtn--lime{border-color:rgba(199,241,58,.7);color:var(--lime)}
.cmdbtn--lime:hover{color:var(--ink)}

.nav-toggle{
  display:none;align-items:center;gap:10px;flex:none;
  height:36px;padding:0 12px;background:transparent;
  border:1px solid rgba(245,241,231,.3);color:var(--paper);
  font-size:12px;letter-spacing:.1em;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars > span{display:block;height:1px;background:currentColor}
.nav-toggle__text{white-space:nowrap}

.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(245,241,231,.1)}
.progress__fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--pitch) 0%,var(--pitch-lt) 55%,var(--lime) 100%);
}
.nav-scrim{display:none}

@media (max-width:1320px){
  .cmdbar__tools .cmdbtn{display:none}
}
@media (max-width:1100px){
  .nav-toggle{display:inline-flex}
  .cmdbar__panel{
    position:fixed;top:var(--bar-h);left:0;right:0;
    display:grid;gap:0;max-height:calc(100vh - var(--bar-h));
    overflow-y:auto;padding:8px 0 20px;
    background:var(--ink-2);
    border-top:1px solid rgba(199,241,58,.55);
    border-bottom:1px solid rgba(245,241,231,.16);
    opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s linear;
    z-index:70;
  }
  .site-header[data-open] .cmdbar__panel{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .cmdnav{width:100%}
  .cmdnav__list{display:grid;justify-content:stretch;gap:0}
  .cmdnav__link{
    height:auto;padding:15px var(--gutter);
    border-bottom:1px solid rgba(245,241,231,.1);
    border-left:2px solid transparent;
    font-size:15.5px;
  }
  .cmdnav__link:hover{background:rgba(15,29,46,.6)}
  .cmdnav__link[aria-current="page"]{
    border-bottom-color:rgba(245,241,231,.1);
    border-left-color:var(--lime);
    background:rgba(199,241,58,.08);
  }
  .cmdbar__tools{
    display:grid;grid-template-columns:1fr;gap:10px;
    padding:20px var(--gutter) 0;border-left:0;
  }
  .cmdbtn{justify-content:center;height:40px}
  .nav-scrim{
    display:block;position:fixed;left:0;right:0;top:var(--bar-h);bottom:0;
    background:rgba(15,29,46,.55);
    opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s linear;z-index:65;
  }
  .site-header[data-open] .nav-scrim{opacity:1;visibility:visible}
  html[data-nav-open],html[data-nav-open] body{overflow:hidden}
}
@media (max-width:640px){
  .brand__sub{display:none}
  .brand{padding-right:16px}
  .cmdbar__inner{gap:16px}
  .status{font-size:11px}
}

/* 15 · 页脚 ---------------------------------------------------------------- */
.site-footer{
  margin-top:var(--sp-4);
  background-color:var(--ink);
  color:var(--paper);
  border-top:1px solid rgba(245,241,231,.16);
  background-image:
    linear-gradient(to right, rgba(245,241,231,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245,241,231,.05) 1px, transparent 1px);
  background-size:var(--grid-unit) var(--grid-unit);
}
.footer__grid{
  display:grid;grid-template-columns:1.3fr 2.2fr 1.7fr;
  gap:var(--sp-3) var(--sp-2);
  width:min(100%,var(--maxw));margin-inline:auto;
  padding:var(--sp-3) var(--gutter) var(--sp-2);
}
.footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:0}
.footer__mark{
  margin:0;font-family:var(--font-display);font-weight:600;
  font-size:clamp(24px,3vw,34px);line-height:1.1;letter-spacing:.01em;color:var(--paper);
}
.footer__line{margin:6px 0 0;font-size:15px;color:rgba(245,241,231,.82)}
.footer__update{
  margin:20px 0 0;padding-left:14px;border-left:1px solid var(--pitch-lt);
  font-size:13px;line-height:1.7;color:rgba(245,241,231,.6);
}
.footer__cta{margin-top:24px}
.footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-2) var(--sp-1)}
.footer__col{min-width:0}
.footer__coltitle{
  margin:0 0 14px;font-family:var(--font-num);font-weight:600;
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--lime);
}
.footer__links{list-style:none;display:grid;gap:9px}
.footer__links li{list-style:none}
.footer__link{
  display:inline-flex;align-items:center;
  font-size:14.5px;color:rgba(245,241,231,.8);
  padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.footer__link:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer__link[aria-current="page"]{color:var(--lime);border-bottom-color:rgba(199,241,58,.5)}
.footer__contact{min-width:0}
.contact-list{list-style:none;display:grid;gap:12px}
.contact-list__item{display:grid;gap:2px}
.contact-list__key{font-size:11px;letter-spacing:.14em;color:rgba(245,241,231,.5)}
.copy{
  background:transparent;border:0;border-bottom:1px dashed rgba(245,241,231,.4);
  padding:2px 0;color:var(--paper);font-size:14.5px;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  text-align:left;cursor:pointer;
  transition:color .18s ease,border-color .18s ease;
}
.copy:hover{color:var(--lime);border-bottom-color:var(--lime)}
.copy[data-copied="true"]{color:var(--lime);border-bottom-color:var(--lime)}
.copy[data-copied="true"]::after{content:"已复制";margin-left:8px;font-family:var(--font-stack);font-size:11px;letter-spacing:.1em}
.footer__address{font-size:14px;line-height:1.7;color:rgba(245,241,231,.72)}
.footer__note{margin:16px 0 0;font-size:12px;line-height:1.6;color:rgba(245,241,231,.5)}
.footer__legal{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px var(--sp-2);
  width:min(100%,var(--maxw));margin-inline:auto;
  padding:16px var(--gutter) 28px;
  border-top:1px solid rgba(245,241,231,.16);
  font-size:12px;color:rgba(245,241,231,.55);
}
.footer__legal p{margin:0}
@media (max-width:1000px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:var(--sp-2)}
  .footer__brand{grid-column:1 / -1}
  .footer__cols{grid-column:1 / -1}
  .footer__contact{grid-column:1 / -1}
}
@media (max-width:640px){
  .footer__cols{grid-template-columns:1fr 1fr;gap:28px 16px}
  .footer__legal{flex-direction:column}
}

/* 16 · 减少动态 ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .status__dot{animation:none}
}