:root {
  --yc-paper: #f4e7cd;
  --yc-shadow: rgba(0, 0, 0, .48);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.case-series-yachou {
  background:
    radial-gradient(circle at 18% 12%, rgba(197, 146, 60, .14), transparent 30rem),
    linear-gradient(145deg, #07130f, #183a2e 54%, #050c09);
  margin: 0;
  overflow-x: hidden;
}

body.case-series-yachou img { display: block; max-width: 100%; }

body.case-series-yachou .case-series-bar a,
body.case-series-yachou .case-series-footer a {
  color: inherit;
  text-decoration: none;
}

.yc-skip {
  background: #fff9e9;
  color: #10271f;
  font: 14px/1.2 "PingFang SC", sans-serif;
  left: 12px;
  padding: 10px 14px;
  position: fixed;
  top: -80px;
  z-index: 1100;
}

.yc-skip:focus { top: 8px; }

.yc-visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.yc-exact-stage {
  align-items: flex-start;
  display: flex;
  justify-content: center;
  min-height: 100vh;
  padding: 0;
}

.yc-exact-canvas {
  background: var(--yc-paper);
  margin: 0;
  max-width: 720px;
  position: relative;
  width: 100%;
}

.yc-exact-canvas picture,
.yc-exact-canvas img {
  display: block;
  height: auto;
  width: 100%;
}

.yc-exact-cta {
  border-radius: 999px;
  bottom: 1.25%;
  height: 2.5%;
  left: 33.5%;
  position: absolute;
  width: 33%;
}

.yc-exact-cta:focus-visible {
  outline: 4px solid #f1c365;
  outline-offset: 4px;
}

@media (min-width: 761px) {
  .yc-exact-stage { padding: 38px clamp(28px, 6vw, 92px) 52px; }
  .yc-exact-canvas {
    border: 1px solid rgba(226, 190, 111, .28);
    box-shadow: 0 30px 90px var(--yc-shadow);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}