.page-contact {
  --pc-line: rgba(244, 241, 231, 0.16);
  --pc-dim: rgba(244, 241, 231, 0.78);
  --pc-deep-line: rgba(42, 33, 26, 0.18);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-green);
  color: var(--mist);
  padding: clamp(1.1rem, 3vw, 1.9rem) 0 clamp(2.2rem, 6vw, 4.2rem);
  border-bottom: var(--border);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(200, 245, 63, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(200, 245, 63, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}

.page-contact .pc-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero .breadcrumbs__link,
.page-contact .pc-hero .breadcrumbs__sep {
  color: var(--data-gray);
}

.page-contact .pc-hero .breadcrumbs__item--current .breadcrumbs__link {
  color: var(--lime);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.1rem, 3vw, 2rem);
  align-items: start;
}

.page-contact .pc-hero__lead {
  min-width: 0;
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0.55rem 0 1rem;
}

.page-contact .pc-hero__mark {
  color: var(--lime);
}

.page-contact .pc-hero__text {
  margin: 0;
  max-width: 40ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.78;
  color: var(--pc-dim);
}

.page-contact .pc-hero__channels {
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-channel {
  padding: 0.9rem 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-channel__label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--data-gray);
  margin-bottom: 0.3rem;
}

.page-contact .pc-channel__value {
  position: relative;
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.45rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mist);
  overflow-wrap: anywhere;
  padding-bottom: 0.2rem;
  transition: color 200ms var(--ease);
}

.page-contact .pc-channel__value::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}

.page-contact .pc-channel:hover .pc-channel__value,
.page-contact .pc-channel:focus-within .pc-channel__value {
  color: var(--lime);
}

.page-contact .pc-channel:hover .pc-channel__value::after,
.page-contact .pc-channel:focus-within .pc-channel__value::after {
  transform: scaleX(1);
}

.page-contact .pc-channel__note {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--data-gray);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.25rem, 3vw, 1.8rem);
}

.page-contact .pc-hero__side {
  min-width: 0;
}

.page-contact .pc-status {
  border: var(--border);
  background: var(--charcoal);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.1rem, 3vw, 1.8rem);
}

.page-contact .pc-status__kicker {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--data-gray);
}

.page-contact .pc-status__time {
  margin: 0.5rem 0 0.15rem;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 8.5vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--lime);
}

.page-contact .pc-status__dash {
  color: var(--moss);
  padding: 0 0.15em;
}

.page-contact .pc-status__week {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: var(--ice);
}

.page-contact .pc-status__list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-contact .pc-status__list li {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.6rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--pc-line);
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--pc-dim);
}

.page-contact .pc-status__list .mono {
  font-size: 0.72rem;
  color: var(--lime);
}

/* ---------- 三条线路 ---------- */
.page-contact .pc-channels {
  background: var(--charcoal);
  color: var(--mist);
  border-bottom: var(--border);
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3.2rem);
  align-items: start;
}

.page-contact .pc-channels__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.85rem;
}

.page-contact .pc-channels__note {
  margin: 0;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--pc-dim);
}

.page-contact .pc-channel-list {
  list-style: none;
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-channel-row {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-channel-row__idx {
  font-size: 0.82rem;
  color: var(--lime);
  letter-spacing: 0.06em;
  padding-top: 0.2rem;
}

.page-contact .pc-channel-row__body h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 1.28rem);
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .pc-channel-row__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--pc-dim);
}

.page-contact .pc-channels__media {
  margin: 0;
  min-width: 0;
}

.page-contact .pc-channels__media .media-frame {
  border: var(--border);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  position: relative;
}

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

.page-contact .pc-channels__cap {
  margin: 0.9rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--data-gray);
}

/* ---------- 合作类型 ---------- */
.page-contact .pc-coop {
  background: var(--ink-green);
  color: var(--mist);
  border-bottom: var(--border);
}

.page-contact .pc-coop__head {
  margin-bottom: clamp(1.4rem, 3.5vw, 2.4rem);
}

.page-contact .pc-coop__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-coop-card {
  background: var(--mist);
  color: var(--brown);
  border: 2px solid var(--brown);
  box-shadow: 7px 7px 0 var(--lime);
  padding: clamp(1.05rem, 2.6vw, 1.65rem);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-width: 0;
}

.page-contact .pc-coop-card__num {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-contact .pc-coop-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 3vw, 1.55rem);
  letter-spacing: -0.02em;
  color: var(--ink-green);
}

.page-contact .pc-coop-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(42, 33, 26, 0.86);
}

.page-contact .pc-coop-card__more {
  margin-top: 0.2rem;
  border-top: 2px solid rgba(42, 33, 26, 0.14);
  padding-top: 0.6rem;
}

.page-contact .pc-coop-card__more summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--moss);
  transition: color 180ms var(--ease);
}

.page-contact .pc-coop-card__more summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-coop-card__more summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  background: var(--ink-green);
  color: var(--lime);
  font-size: 0.85rem;
  line-height: 1;
  flex: none;
}

.page-contact .pc-coop-card__more[open] summary::before {
  content: "−";
  background: var(--ember);
  color: var(--mist);
}

.page-contact .pc-coop-card__more summary:hover,
.page-contact .pc-coop-card__more summary:focus-visible {
  color: var(--ember);
}

.page-contact .pc-coop-card__more p {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  color: rgba(42, 33, 26, 0.78);
}

.page-contact .pc-coop__media {
  margin: 0;
  position: relative;
  border: var(--border);
  box-shadow: 7px 7px 0 rgba(200, 245, 63, 0.55);
  min-width: 0;
}

.page-contact .pc-coop__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .pc-coop__media .media-frame__label {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--lime);
  color: var(--ink-green);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  padding: 0.35rem 0.65rem;
  border-top: 2px solid var(--brown);
  border-right: 2px solid var(--brown);
}

/* ---------- 反馈准备 ---------- */
.page-contact .pc-prep {
  background: var(--charcoal);
  color: var(--mist);
  border-bottom: var(--border);
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .pc-prep__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.2vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 0.8rem;
}

.page-contact .pc-prep__text {
  margin: 0 0 0.7rem;
  font-size: 0.93rem;
  line-height: 1.78;
  color: var(--pc-dim);
}

.page-contact .pc-prep__btn {
  margin-top: 0.6rem;
}

.page-contact .pc-prep__list {
  min-width: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-check {
  position: relative;
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  padding: 0.95rem 0;
  border-bottom: 1px dashed rgba(244, 241, 231, 0.22);
  cursor: pointer;
}

.page-contact .pc-check input {
  position: absolute;
  top: 1.15rem;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .pc-check__box {
  position: relative;
  display: block;
  width: 1.6rem;
  height: 1.6rem;
  border: 2px solid var(--pc-dim);
  background: transparent;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
  flex: none;
}

.page-contact .pc-check input:checked + .pc-check__box {
  background: var(--lime);
  border-color: var(--lime);
}

.page-contact .pc-check input:checked + .pc-check__box::after {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 0.16rem;
  width: 0.42rem;
  height: 0.85rem;
  border-right: 3px solid var(--ink-green);
  border-bottom: 3px solid var(--ink-green);
  transform: rotate(40deg);
}

.page-contact .pc-check input:focus-visible + .pc-check__box {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-contact .pc-check__text {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--pc-dim);
}

.page-contact .pc-check__text strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0;
  color: var(--mist);
  margin-bottom: 0.15rem;
}

.page-contact .pc-check input:checked ~ .pc-check__text {
  color: rgba(244, 241, 231, 0.5);
}

.page-contact .pc-check input:checked ~ .pc-check__text strong {
  color: rgba(200, 245, 63, 0.75);
}

/* ---------- 回复时效 ---------- */
.page-contact .pc-sla {
  background: var(--moss);
  color: var(--mist);
  border-bottom: var(--border);
  border-left: 8px solid var(--lime);
}

.page-contact .pc-sla__grid {
  display: grid;
  gap: clamp(1.2rem, 3.5vw, 2.6rem);
  align-items: start;
}

.page-contact .pc-sla__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.8vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0.45rem 0 0;
}

.page-contact .pc-sla__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .pc-sla__list li {
  border-top: 2px solid rgba(200, 245, 63, 0.35);
  padding-top: 0.7rem;
}

.page-contact .pc-sla__tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--lime);
  margin-bottom: 0.3rem;
}

.page-contact .pc-sla__list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 241, 231, 0.85);
}

/* ---------- 通信信息 ---------- */
.page-contact .pc-address {
  background: var(--sand);
  color: var(--brown);
  border-bottom: var(--border);
}

.page-contact .pc-address__grid {
  display: grid;
  gap: clamp(1.3rem, 3.5vw, 2.8rem);
  align-items: start;
}

.page-contact .pc-address__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0.45rem 0 0.7rem;
  color: var(--brown);
}

.page-contact .pc-address__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: rgba(42, 33, 26, 0.76);
}

.page-contact .pc-address__list {
  margin: 0;
  border-top: 2px solid var(--brown);
}

.page-contact .pc-address__list .data-list__row {
  display: grid;
  grid-template-columns: minmax(0, 6.5rem) minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--pc-deep-line);
  align-items: baseline;
}

.page-contact .pc-address__list .data-list__key {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(42, 33, 26, 0.6);
}

.page-contact .pc-address__list .data-list__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2.4vw, 1rem);
  line-height: 1.55;
  color: var(--brown);
  overflow-wrap: anywhere;
}

/* ---------- 帮助提示带 ---------- */
.page-contact .pc-hint {
  background: var(--lime);
  color: var(--ink-green);
  border-bottom: var(--border);
}

.page-contact .pc-hint__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: clamp(1.2rem, 3vw, 1.8rem);
  padding-bottom: clamp(1.2rem, 3vw, 1.8rem);
}

.page-contact .pc-hint__text {
  margin: 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: 600;
  color: var(--ink-green);
}

.page-contact .pc-hint__btn {
  border-color: var(--ink-green);
  color: var(--ink-green);
  flex: none;
}

.page-contact .pc-hint__btn:hover,
.page-contact .pc-hint__btn:focus-visible {
  background: var(--ink-green);
  color: var(--lime);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }

  .page-contact .pc-sla__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .pc-coop-card--d {
    grid-column: 1 / -1;
  }
}

@media (min-width: 880px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(2rem, 4.5vw, 3.6rem);
  }

  .page-contact .pc-channels__media {
    margin-top: 0.4rem;
  }

  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-contact .pc-coop-card--a {
    grid-column: 1 / span 5;
  }

  .page-contact .pc-coop__media {
    grid-column: 7 / span 6;
    align-self: center;
  }

  .page-contact .pc-coop-card--b {
    grid-column: 2 / span 5;
  }

  .page-contact .pc-coop-card--c {
    grid-column: 8 / span 5;
    margin-top: 1.4rem;
  }

  .page-contact .pc-coop-card--d {
    grid-column: 3 / span 8;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .pc-sla__grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-contact .pc-address__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .pc-address__list .data-list__row {
    grid-template-columns: minmax(0, 8rem) minmax(0, 1fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-hero__title {
    font-size: clamp(3rem, 4.6vw, 3.9rem);
  }

  .page-contact .pc-status {
    padding: 2rem;
  }
}

@media (max-width: 400px) {
  .page-contact .pc-hero__channels {
    margin-top: 1rem;
  }

  .page-contact .pc-channel-row {
    grid-template-columns: 1.7rem minmax(0, 1fr);
    gap: 0.7rem;
  }

  .page-contact .pc-address__list .data-list__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }
}
<<<END>>>