.yirong-proof {
  background: #eeeee9;
  color: #211f1b;
  padding: clamp(88px, 10vw, 152px) 0;
  font-family: var(--yirong-hero-font, Arial, Helvetica, sans-serif);
}

.yirong-proof__inner {
  box-sizing: border-box;
  width: min(100%, 1600px);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 80px);
}

.yirong-proof__intro {
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) minmax(320px, 1.65fr) minmax(280px, 1fr);
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
}

.yirong-proof__eyebrow {
  margin: 0.55rem 0 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.5;
}

.yirong-proof__title {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(2.35rem, 4.25vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.02;
  text-wrap: balance;
}

.yirong-proof__copy p {
  margin: 0.35rem 0 1.5rem;
  color: #5b5750;
  font-size: clamp(1rem, 0.94rem + 0.2vw, 1.15rem);
  line-height: 1.75;
}

.yirong-proof__link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  color: #211f1b;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.yirong-proof__link span {
  transition: transform 180ms ease;
}

.yirong-proof__link:hover span {
  transform: translateX(4px);
}

.yirong-proof__link:focus-visible {
  outline: 3px solid #211f1b;
  outline-offset: 4px;
}

.yirong-proof__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(72px, 8vw, 120px) 0 0;
  padding: 0;
  border-top: 1px solid #c9c7bf;
  border-bottom: 1px solid #c9c7bf;
}

.yirong-proof__metric {
  box-sizing: border-box;
  min-width: 0;
  padding: clamp(28px, 3.4vw, 52px);
}

.yirong-proof__metric + .yirong-proof__metric {
  border-left: 1px solid #c9c7bf;
}

.yirong-proof__metric dt {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3.7rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}

.yirong-proof__metric dd {
  margin: 1rem 0 0;
  color: #6a665f;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.yirong-proof.is-motion-ready .yirong-proof__eyebrow,
.yirong-proof.is-motion-ready .yirong-proof__title,
.yirong-proof.is-motion-ready .yirong-proof__copy,
.yirong-proof.is-motion-ready .yirong-proof__metric {
  opacity: 0.01;
  transform: translateY(20px);
}

.yirong-proof.is-motion-ready.is-visible .yirong-proof__eyebrow,
.yirong-proof.is-motion-ready.is-visible .yirong-proof__title,
.yirong-proof.is-motion-ready.is-visible .yirong-proof__copy,
.yirong-proof.is-motion-ready.is-visible .yirong-proof__metric {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity var(--yirong-motion-section, 780ms) ease,
    transform var(--yirong-motion-section, 780ms) var(--yirong-motion-ease, cubic-bezier(0.22, 1, 0.36, 1));
}

.yirong-proof.is-visible .yirong-proof__title {
  transition-delay: var(--yirong-motion-stagger, 80ms);
}

.yirong-proof.is-visible .yirong-proof__copy {
  transition-delay: 160ms;
}

.yirong-proof.is-visible .yirong-proof__metric:nth-child(1) {
  transition-delay: 240ms;
}

.yirong-proof.is-visible .yirong-proof__metric:nth-child(2) {
  transition-delay: 320ms;
}

.yirong-proof.is-visible .yirong-proof__metric:nth-child(3) {
  transition-delay: 400ms;
}

.yirong-proof.is-visible .yirong-proof__metric:nth-child(4) {
  transition-delay: 480ms;
}

@media (max-width: 1023px) {
  .yirong-proof__intro {
    grid-template-columns: 1fr 1fr;
  }

  .yirong-proof__eyebrow {
    grid-column: 1 / -1;
  }

  .yirong-proof__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .yirong-proof__metric:nth-child(3) {
    border-top: 1px solid #c9c7bf;
    border-left: 0;
  }

  .yirong-proof__metric:nth-child(4) {
    border-top: 1px solid #c9c7bf;
  }
}

@media (max-width: 767px) {
  .yirong-proof {
    padding: 80px 0;
  }

  .yirong-proof__intro {
    display: block;
  }

  .yirong-proof__title {
    margin-top: 20px;
  }

  .yirong-proof__copy {
    margin-top: 32px;
  }

  .yirong-proof__metrics {
    margin-top: 64px;
  }

  .yirong-proof__metric {
    padding: 28px 20px;
  }

  .yirong-proof__metric dt {
    white-space: normal;
  }
}

@media (max-width: 479px) {
  .yirong-proof__metrics {
    grid-template-columns: 1fr;
  }

  .yirong-proof__metric + .yirong-proof__metric {
    border-top: 1px solid #c9c7bf;
    border-left: 0;
  }
}