.page-contact {
  --pc-gap: clamp(12px, 1.5vw, 16px);
  --pc-hair: rgba(30, 74, 79, 0.92);
  --pc-hair-soft: rgba(30, 74, 79, 0.52);
  --pc-surface: rgba(11, 30, 51, 0.78);
  --pc-surface-2: rgba(16, 43, 51, 0.66);
  --pc-faint: rgba(157, 182, 180, 0.6);
  background-color: var(--c-bg);
  color: var(--c-text);
  padding-block: clamp(18px, 2.6vw, 32px) clamp(52px, 7vw, 96px);
}

.page-contact .pc-band {
  padding-block: clamp(34px, 4.6vw, 66px);
}

.page-contact .pc-band + .pc-band {
  border-top: 1px solid rgba(30, 74, 79, 0.34);
}

.page-contact .pc-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 2.6vw, 34px);
}

.page-contact .pc-head .section-title,
.page-contact .pc-response__left .section-title,
.page-contact .pc-ticket__main .section-title,
.page-contact .pc-partner__intro .section-title,
.page-contact .pc-jump .section-title {
  margin-block: 8px 12px;
  line-height: 1.16;
}

.page-contact .pc-sub {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 首屏框景 ---------- */
.page-contact .pc-hero__frame {
  position: relative;
  margin-top: clamp(12px, 1.6vw, 20px);
  padding: clamp(16px, 2.2vw, 32px);
  border: 1px solid var(--pc-hair-soft);
  background: linear-gradient(155deg, rgba(16, 43, 51, 0.92), rgba(6, 18, 15, 0.97));
  overflow: hidden;
}

.page-contact .pc-hero__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 74, 79, 0.38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 74, 79, 0.38) 1px, transparent 1px);
  background-size: 8px 8px;
  opacity: 0.42;
  pointer-events: none;
}

.page-contact .pc-hero__frame::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 26px;
  height: 26px;
  border-top: 1px solid var(--c-accent);
  border-right: 1px solid var(--c-accent);
  opacity: 0.65;
  pointer-events: none;
}

.page-contact .pc-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(20px, 2.8vw, 34px);
  align-items: end;
}

.page-contact .pc-hero__figure {
  margin: 0;
  border: 1px solid var(--pc-hair-soft);
  background: rgba(6, 18, 15, 0.8);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}

.page-contact .pc-hero__figure .media-frame__caption {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--pc-faint);
  border-top: 1px solid var(--pc-hair-soft);
}

.page-contact .pc-hero__body .display-title {
  margin-block: 10px 14px;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-contact .pc-hero__body .lede {
  margin: 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .pc-hero__stats {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .pc-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--pc-hair-soft);
  background: rgba(6, 18, 15, 0.5);
}

.page-contact .pc-stat__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-amber);
  white-space: nowrap;
}

.page-contact .pc-stat__num em {
  font-style: normal;
  font-size: 12px;
  margin-left: 2px;
  color: var(--c-muted);
}

.page-contact .pc-stat__label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .pc-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--pc-hair-soft);
  background: linear-gradient(180deg, var(--pc-surface-2), var(--pc-surface));
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 1px;
  background: var(--c-accent);
  opacity: 0.7;
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateY(-2px);
  border-color: rgba(55, 240, 208, 0.7);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.34);
}

.page-contact .pc-channel__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.page-contact .pc-channel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .pc-channel__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-amber);
  word-break: break-word;
}

.page-contact .pc-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .pc-channel__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-hair-soft);
  display: grid;
  gap: 6px;
}

.page-contact .pc-channel__meta > div {
  display: grid;
  grid-template-columns: 4em 1fr;
  gap: 8px;
  font-size: 12px;
  line-height: 1.6;
}

.page-contact .pc-channel__meta dt {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--pc-faint);
}

.page-contact .pc-channel__meta dd {
  margin: 0;
  color: var(--c-text);
}

/* ---------- 响应时段与顺序 ---------- */
.page-contact .pc-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-contact .pc-axis {
  margin-top: 22px;
}

.page-contact .pc-axis__track {
  position: relative;
  height: 12px;
  border: 1px solid var(--pc-hair-soft);
  background: rgba(6, 18, 15, 0.78);
}

.page-contact .pc-axis__fill {
  position: absolute;
  inset: 2px;
  background: linear-gradient(90deg, rgba(55, 240, 208, 0.9), rgba(255, 182, 72, 0.92));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .pc-axis__scale {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.page-contact .pc-axis__scale li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-left: 1px solid var(--pc-hair);
  padding-left: 8px;
}

.page-contact .pc-axis__scale li:nth-child(2) {
  align-items: center;
  text-align: center;
  border-left-color: rgba(30, 74, 79, 0.32);
}

.page-contact .pc-axis__scale li:nth-child(3) {
  align-items: flex-end;
  text-align: right;
  border-left-color: rgba(30, 74, 79, 0.32);
  border-right: 1px solid var(--pc-hair);
  padding-right: 8px;
}

.page-contact .pc-axis__t {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-accent);
}

.page-contact .pc-axis__l {
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--pc-faint);
}

.page-contact .pc-axis__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--c-amber);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .pc-order__heading {
  margin: 8px 0 16px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .pc-order {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pc-hair-soft);
  border: 1px solid var(--pc-hair-soft);
}

.page-contact .pc-order__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px 16px;
  background: var(--c-bg);
  transition: background-color 0.18s var(--ease);
}

.page-contact .pc-order__item:hover {
  background: var(--pc-surface-2);
}

.page-contact .pc-order__rank {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-amber);
  padding-top: 2px;
}

.page-contact .pc-order__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .pc-order__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 工单清单 ---------- */
.page-contact .pc-ticket__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
}

.page-contact .pc-checklist {
  list-style: none;
  margin: clamp(18px, 2.2vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-check {
  border: 1px solid var(--pc-hair-soft);
  background: var(--pc-surface);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .pc-check:hover {
  border-color: rgba(55, 240, 208, 0.5);
}

.page-contact .pc-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .pc-check__label {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-contact .pc-check__box {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid var(--pc-hair);
  background: rgba(6, 18, 15, 0.7);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--c-bg);
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .pc-check__input:focus-visible + .pc-check__label .pc-check__box {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.page-contact .pc-check__input:checked + .pc-check__label .pc-check__box {
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.page-contact .pc-check__input:checked + .pc-check__label .pc-check__box::after {
  content: "✓";
}

.page-contact .pc-check__input:checked + .pc-check__label .pc-check__title {
  color: var(--c-accent-strong);
}

.page-contact .pc-check__body {
  display: grid;
  gap: 3px;
}

.page-contact .pc-check__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pc-faint);
}

.page-contact .pc-check__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.16s var(--ease);
}

.page-contact .pc-check__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .pc-ticket__side {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .pc-ticket__figure {
  margin: 0;
  border: 1px solid var(--pc-hair-soft);
  background: rgba(6, 18, 15, 0.8);
}

.page-contact .pc-ticket__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-contact .pc-ticket__figure .media-frame__caption {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--pc-faint);
  border-top: 1px solid var(--pc-hair-soft);
}

.page-contact .pc-note {
  position: relative;
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--pc-hair-soft);
  background: linear-gradient(200deg, rgba(16, 43, 51, 0.78), rgba(6, 18, 15, 0.9));
}

.page-contact .pc-note::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 26px;
  height: 1px;
  background: var(--c-amber);
  opacity: 0.75;
}

.page-contact .pc-note__title {
  margin: 8px 0 10px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-contact .pc-note__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .pc-note__links {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 内容合作 ---------- */
.page-contact .pc-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-contact .pc-partner__forms {
  margin-top: clamp(18px, 2.2vw, 26px);
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-form-card {
  padding: 16px 18px;
  border-left: 2px solid var(--c-accent);
  background: var(--pc-surface-2);
}

.page-contact .pc-form-card__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .pc-form-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .pc-partner__brief {
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--pc-hair-soft);
  background: var(--pc-surface);
}

.page-contact .pc-brief__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.page-contact .pc-brief__list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--pc-hair-soft);
}

.page-contact .pc-brief__row {
  padding: 12px 14px;
  background: var(--c-bg);
}

.page-contact .pc-brief__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-accent);
  margin-bottom: 4px;
}

.page-contact .pc-brief__row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-contact .pc-brief__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--pc-faint);
}

/* ---------- 自助跳转 ---------- */
.page-contact .pc-jump__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .pc-jump__card {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--pc-hair-soft);
  background: var(--pc-surface);
  text-decoration: none;
  color: var(--c-text);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .pc-jump__card:hover {
  transform: translateY(-2px);
  border-color: var(--c-accent);
  background: var(--pc-surface-2);
}

.page-contact .pc-jump__card:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.page-contact .pc-jump__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-amber);
}

.page-contact .pc-jump__title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .pc-jump__go {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .pc-stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .pc-channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .pc-jump__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .pc-partner__forms {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .pc-channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .pc-response__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .pc-ticket__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .pc-partner__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .pc-jump__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-hero__body {
    padding-bottom: 6px;
  }

  .page-contact .pc-partner__forms {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-jump__card,
  .page-contact .pc-check,
  .page-contact .pc-order__item,
  .page-contact .pc-check__box {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-jump__card:hover {
    transform: none;
  }
}
<<<END>>>