.page-contact {
  background: var(--yh-ink);
  color: var(--yh-paper);
  font-family: var(--yh-font-body);
  -webkit-font-smoothing: antialiased;
}

.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--yh-rule);
  background: linear-gradient(165deg, var(--yh-ink-2) 0%, var(--yh-ink) 68%);
}

.page-contact .pc-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: .32;
}

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(11, 16, 32, .45) 0%, rgba(11, 16, 32, .86) 62%, var(--yh-ink) 100%);
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  padding-top: clamp(18px, 3.6vw, 34px);
  padding-bottom: clamp(26px, 4.6vw, 52px);
}

.page-contact .pc-hero__eyebrow {
  margin: 18px 0 0;
  font-family: var(--yh-font-num);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--yh-gold);
}

.page-contact .pc-hero__title {
  margin: 14px 0 18px;
  max-width: 15em;
  font-family: var(--yh-font-display);
  font-size: clamp(30px, 6.2vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--yh-paper);
}

.page-contact .pc-hero__lead {
  margin: 0 0 22px;
  max-width: 40em;
  font-family: var(--yh-font-editorial);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  color: #cdd4e2;
}

.page-contact .pc-hero__chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-contact .pc-hero__chips li {
  padding: 6px 10px;
  border: 1px solid rgba(127, 200, 212, .36);
  border-radius: 2px;
  background: rgba(127, 200, 212, .07);
  font-family: var(--yh-font-num);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--yh-ice);
}

.page-contact .pc-hero__wave {
  color: rgba(127, 200, 212, .42);
  border-top: 1px solid rgba(42, 51, 80, .8);
}

.page-contact .pc-hero__wave svg {
  display: block;
  width: 100%;
  height: 34px;
}

/* 通用区块节奏 */
.page-contact .pc-band {
  padding: clamp(42px, 6vw, 72px) 0;
}

.page-contact .pc-band--tint {
  background: var(--yh-ink-2);
  border-top: 1px solid var(--yh-rule);
  border-bottom: 1px solid var(--yh-rule);
}

.page-contact .pc-band--dark {
  background: var(--yh-ink-3);
}

.page-contact .pc-band--last {
  border-bottom: 0;
}

.page-contact .pc-band__head {
  margin-bottom: clamp(24px, 3.6vw, 38px);
}

.page-contact .pc-eyebrow {
  margin: 0 0 12px;
  font-family: var(--yh-font-num);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--yh-gold);
}

.page-contact .pc-h2 {
  margin: 0 0 14px;
  max-width: 20em;
  font-family: var(--yh-font-display);
  font-size: clamp(23px, 4.2vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--yh-paper);
}

.page-contact .pc-lead {
  margin: 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--yh-mist);
}

/* 渠道 */
.page-contact .pc-chan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-chan {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px 18px 18px;
  background: var(--yh-ink);
  border: 1px solid var(--yh-rule);
  border-radius: 3px;
  transition: transform .18s var(--yh-ease), border-color .18s var(--yh-ease);
}

.page-contact .pc-chan:hover {
  transform: translateY(-3px);
  border-color: rgba(127, 200, 212, .5);
}

.page-contact .pc-chan--led {
  border-left: 3px solid var(--yh-orange);
}

.page-contact .pc-chan__k {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--yh-font-num);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--yh-ice);
}

.page-contact .pc-chan__dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--yh-gold);
}

.page-contact .pc-chan__dot--live {
  background: var(--yh-live);
  box-shadow: 0 0 0 3px rgba(57, 255, 158, .16);
  animation: pc-pulse 2.4s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { box-shadow: 0 0 0 2px rgba(57, 255, 158, .12); }
  50% { box-shadow: 0 0 0 6px rgba(57, 255, 158, .05); }
}

.page-contact .pc-chan__v {
  margin: 0;
  font-family: var(--yh-font-num);
  font-size: clamp(15px, 2.3vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--yh-paper);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-chan__v--addr {
  font-family: var(--yh-font-display);
  font-size: clamp(15px, 2vw, 21px);
  line-height: 1.5;
  letter-spacing: 0;
}

.page-contact .pc-chan__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--yh-mist);
}

.page-contact .pc-chan__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}

.page-contact .pc-copy {
  padding: 7px 12px;
  border: 1px solid rgba(217, 164, 65, .45);
  border-radius: 2px;
  background: transparent;
  color: var(--yh-gold);
  font-family: var(--yh-font-num);
  font-size: 11.5px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: background-color .18s var(--yh-ease), color .18s var(--yh-ease), border-color .18s var(--yh-ease);
}

.page-contact .pc-copy:hover {
  background: rgba(217, 164, 65, .14);
  border-color: var(--yh-gold);
  color: var(--yh-paper);
}

.page-contact .pc-copy:focus-visible {
  outline: 2px solid var(--yh-gold);
  outline-offset: 2px;
}

.page-contact .pc-copy--wide {
  margin-top: 16px;
  padding: 9px 16px;
}

.page-contact .pc-status {
  display: inline-block;
  min-height: 1em;
  font-family: var(--yh-font-num);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--yh-live);
}

/* 反馈清单 */
.page-contact .pc-feedback {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .pc-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .pc-check {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  background: rgba(11, 16, 32, .72);
  border: 1px solid var(--yh-rule);
  border-radius: 3px;
  backdrop-filter: blur(6px);
  transition: border-color .18s var(--yh-ease);
}

.page-contact .pc-check:hover {
  border-color: rgba(127, 200, 212, .42);
}

.page-contact .pc-check__box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  border: 1.5px solid var(--yh-rule);
  border-radius: 2px;
  background: transparent;
  cursor: pointer;
  transition: border-color .18s var(--yh-ease), background-color .18s var(--yh-ease);
}

.page-contact .pc-check__box:checked {
  border-color: var(--yh-alert);
  background: rgba(229, 72, 77, .14);
}

.page-contact .pc-check__box:checked::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--yh-alert);
  border-bottom: 2px solid var(--yh-alert);
  transform: rotate(40deg);
}

.page-contact .pc-check__box:focus-visible {
  outline: 2px solid var(--yh-gold);
  outline-offset: 2px;
}

.page-contact .pc-check__label {
  display: block;
  cursor: pointer;
}

.page-contact .pc-check__t {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--yh-paper);
}

.page-contact .pc-check__d {
  display: block;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--yh-mist);
}

/* 信函骨架 */
.page-contact .pc-letter {
  margin-top: 24px;
  padding: 18px 18px 20px;
  background: rgba(7, 11, 22, .68);
  border: 1px solid var(--yh-rule);
  border-radius: 3px;
}

.page-contact .pc-letter__title {
  margin: 0 0 6px;
  font-family: var(--yh-font-editorial);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--yh-ice);
}

.page-contact .pc-letter__row {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 8px 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--yh-rule);
  transition: border-color .18s var(--yh-ease);
}

.page-contact .pc-letter__row:hover {
  border-bottom-color: var(--yh-gold);
}

.page-contact .pc-letter__k {
  font-family: var(--yh-font-num);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--yh-gold);
}

.page-contact .pc-letter__v {
  font-family: var(--yh-font-num);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--yh-paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* 图示 */
.page-contact .pc-figure {
  margin: 0;
  border: 1px solid var(--yh-rule);
  border-radius: 3px;
  overflow: hidden;
  background: var(--yh-ink);
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-contact .pc-figure__cap {
  padding: 12px 14px;
  border-top: 1px solid var(--yh-rule);
  font-family: var(--yh-font-editorial);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--yh-mist);
}

/* 合作 */
.page-contact .pc-coop {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-coop__card {
  padding: 20px 18px 22px;
  border-top: 2px solid var(--yh-orange);
  border-radius: 0 0 3px 3px;
  background: linear-gradient(180deg, rgba(226, 118, 47, .12) 0%, rgba(19, 26, 46, .92) 62%);
}

.page-contact .pc-coop__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--yh-font-num);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--yh-orange);
}

.page-contact .pc-coop__t {
  margin: 0 0 10px;
  font-family: var(--yh-font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--yh-paper);
}

.page-contact .pc-coop__d {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.74;
  color: #c3cadd;
}

.page-contact .pc-coop__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(42, 51, 80, .95);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--yh-mist);
}

/* 时效 */
.page-contact .pc-time {
  border-top: 1px solid var(--yh-rule);
}

.page-contact .pc-time__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--yh-rule);
}

.page-contact .pc-time__k {
  font-family: var(--yh-font-num);
  font-size: 17px;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--yh-gold);
}

.page-contact .pc-time__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--yh-mist);
}

/* 继续阅读 */
.page-contact .pc-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .pc-next__link {
  display: block;
  padding: 16px 16px 18px;
  border: 1px solid var(--yh-rule);
  border-radius: 3px;
  background: var(--yh-ink);
  color: var(--yh-paper);
  text-decoration: none;
  transition: transform .18s var(--yh-ease), border-color .18s var(--yh-ease), background-color .18s var(--yh-ease);
}

.page-contact .pc-next__link:hover {
  transform: translateY(-3px);
  border-color: var(--yh-ice);
  background: #17203a;
}

.page-contact .pc-next__link:focus-visible {
  outline: 2px solid var(--yh-gold);
  outline-offset: 2px;
}

.page-contact .pc-next__n {
  display: block;
  margin-bottom: 8px;
  font-family: var(--yh-font-num);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--yh-gold);
}

.page-contact .pc-next__t {
  display: block;
  margin-bottom: 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--yh-paper);
}

.page-contact .pc-next__d {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--yh-mist);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-chan__dot--live {
    animation: none;
  }
  .page-contact .pc-chan:hover,
  .page-contact .pc-next__link:hover {
    transform: none;
  }
}

@media (min-width: 620px) {
  .page-contact .pc-coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-chan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .pc-feedback {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
    gap: 40px;
  }
  .page-contact .pc-time__row {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .pc-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>