/* =========================================================================
   黑色页尾 + 通栏字标：与首页预览同一套，产品页与核心价值页共用。
   ========================================================================= */
/* ---- 页尾 ---- */
:is(.home-v2, .site-foot-v2) .site-foot {
  --foot-black: #0a0908;
  --foot-ease: cubic-bezier(.22, .61, .36, 1);
  background: var(--foot-black);
  color: #fff;
  border-top: none;
  overflow: hidden;
  margin-top: clamp(60px, 8vw, 140px);
  padding: clamp(64px, 8vw, 120px) 0 0;
  font-family: var(--font-sans);
}
:is(.home-v2, .site-foot-v2) .foot-shell {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 4.6vw, 68px);
}
:is(.home-v2, .site-foot-v2) .foot-lead {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
:is(.home-v2, .site-foot-v2) .foot-claim {
  margin: 0;
  font-size: clamp(32px, 5vw, 72px); line-height: 1.14; letter-spacing: -.01em;
  font-weight: 500; text-wrap: balance;
}
:is(.home-v2, .site-foot-v2) .foot-claim span { display: block; }
:is(.home-v2, .site-foot-v2) .foot-claim .dim { color: rgba(255, 255, 255, .4); }
:is(.home-v2, .site-foot-v2) .site-foot .foot-pill {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 40px; padding: 0 10px 0 21px; border-radius: 999px;
  background: #fff; color: var(--foot-black); font-size: 14.5px; text-decoration: none;
  transition: transform .4s var(--foot-ease), background .3s var(--foot-ease);
}
:is(.home-v2, .site-foot-v2) .site-foot .foot-pill .plus {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 999px;
  background: var(--foot-black); color: #fff; font-size: 14px; line-height: 1;
}
:is(.home-v2, .site-foot-v2) .site-foot .foot-pill:hover { background: rgba(255, 255, 255, .86); transform: translateY(-2px); }

:is(.home-v2, .site-foot-v2) .foot-cols {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px 32px; align-items: start;
}
:is(.home-v2, .site-foot-v2) .foot-col {
  display: flex; flex-direction: column; gap: 14px;
  /* 与首页页尾一致：小号等宽，字距 .1em */
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; line-height: normal; letter-spacing: .1em;
}
:is(.home-v2, .site-foot-v2) .foot-col .label { color: rgba(255, 255, 255, .38); }
:is(.home-v2, .site-foot-v2) .foot-col a,
:is(.home-v2, .site-foot-v2) .foot-col span { color: rgba(255, 255, 255, .78); text-decoration: none; }
:is(.home-v2, .site-foot-v2) .foot-col a { position: relative; display: inline-block; width: fit-content; }
:is(.home-v2, .site-foot-v2) .foot-col a::after {
  content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 1px;
  background: #fff; transition: width .32s var(--foot-ease);
}
:is(.home-v2, .site-foot-v2) .foot-col a:hover { color: #fff; }
:is(.home-v2, .site-foot-v2) .foot-col a:hover::after { width: 100%; }

:is(.home-v2, .site-foot-v2) .foot-base {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px 32px; flex-wrap: wrap;
  padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .14);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; letter-spacing: .1em; color: rgba(255, 255, 255, .48);
}
:is(.home-v2, .site-foot-v2) .foot-legal { display: flex; flex-direction: column; gap: 8px; line-height: 1.55; letter-spacing: .04em; }
:is(.home-v2, .site-foot-v2) .foot-legal p { margin: 0; }
:is(.home-v2, .site-foot-v2) .foot-icp { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
:is(.home-v2, .site-foot-v2) .foot-icp i { font-style: normal; opacity: .5; }
:is(.home-v2, .site-foot-v2) .foot-legal a { color: rgba(255, 255, 255, .62); text-decoration: none; transition: color .3s var(--foot-ease); }
:is(.home-v2, .site-foot-v2) .foot-legal a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
:is(.home-v2, .site-foot-v2) .foot-up { display: inline-flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, .7); text-decoration: none; }
:is(.home-v2, .site-foot-v2) .foot-up i { font-style: normal; transition: transform .32s var(--foot-ease); }
:is(.home-v2, .site-foot-v2) .foot-up:hover { color: #fff; }
:is(.home-v2, .site-foot-v2) .foot-up:hover i { transform: translateY(-4px); }

/* 通栏字标：整行出血，底边裁掉 .16em，进入视口逐字从下揭示一次 */
:is(.home-v2, .site-foot-v2) .foot-mark {
  margin-top: clamp(34px, 4vw, 62px);
  padding: 0 clamp(10px, 1.6vw, 26px);
  display: flex; justify-content: center; overflow: hidden;
  line-height: 1; font-weight: 700; letter-spacing: -.045em; white-space: nowrap;
  font-size: clamp(4rem, 23vw, 340px);
}
:is(.home-v2, .site-foot-v2) .foot-mark::before {
  content: "EachRun";
  display: block;
  transform: translateY(.16em);
}
:is(.home-v2, .site-foot-v2) .foot-mark.is-reveal-space::before { content: none; }
:is(.home-v2, .site-foot-v2) .foot-mark-plate {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  pointer-events: none;
  padding: 0 clamp(10px, 1.6vw, 26px);
  display: flex;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  font-family: var(--font-sans);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.045em;
  white-space: nowrap;
  clip-path: inset(100% 0 0 0);
}
/* Font fitting reads geometry synchronously, including with reduced motion. */
.foot-mark-plate,
.foot-mark-plate * { transition-property: none; }
:is(.home-v2, .site-foot-v2) .foot-mark-plate .fm-word { display: flex; transform: translateY(.16em); }
:is(.home-v2, .site-foot-v2) .foot-mark-plate .fm-ch { display: block; padding: 0 .08em; margin: 0 -.08em; transform: translateY(115%); }
:is(.home-v2, .site-foot-v2) .foot-mark-plate.play .fm-ch { animation: pf-up .85s cubic-bezier(.16, 1, .3, 1) forwards; }
@keyframes pf-up { to { transform: none; } }

@media (max-width: 860px) {
  :is(.home-v2, .site-foot-v2) .foot-lead { align-items: flex-start; gap: 26px; }
  :is(.home-v2, .site-foot-v2) .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 24px; }
  :is(.home-v2, .site-foot-v2) .foot-base { font-size: 11px; letter-spacing: .06em; align-items: flex-start; }
  :is(.home-v2, .site-foot-v2) .foot-legal { gap: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  :is(.home-v2, .site-foot-v2) .foot-mark-plate .fm-ch { transform: none; }
  :is(.home-v2, .site-foot-v2) .foot-mark-plate.play .fm-ch { animation: none; }
  :is(.home-v2, .site-foot-v2) .foot-up:hover i { transform: none; }
}
