.page-contact {
  --pc-hairline: rgba(245, 242, 233, 0.16);
  --pc-ink-soft: rgba(16, 26, 28, 0.72);
  --pc-deep-soft: rgba(245, 242, 233, 0.74);
  color: var(--ink);
}

.page-contact .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--celadon-primary);
}

.page-contact .eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  flex: none;
  background: var(--signal-orange);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: 28px 0 0;
}

.page-contact .pc-crumbs {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-contact .pc-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-crumbs a {
  color: var(--celadon-primary);
  text-decoration: none;
  transition: color 120ms var(--ease);
}

.page-contact .pc-crumbs a:hover,
.page-contact .pc-crumbs a:focus-visible {
  color: var(--signal-orange);
}

.page-contact .pc-crumbs li + li::before {
  content: "／";
  margin-right: 6px;
  color: var(--celadon-pale);
}

.page-contact .pc-title {
  margin: 20px 0 0;
  font-size: clamp(36px, 7.2vw, 74px);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-contact .pc-title strong {
  font-weight: 900;
}

.page-contact .pc-lede {
  max-width: 34em;
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

.page-contact .pc-band {
  margin: clamp(28px, 5vw, 52px) 0 0;
}

.page-contact .pc-band img {
  display: block;
  width: 100%;
  height: clamp(190px, 26vw, 320px);
  object-fit: cover;
  filter: saturate(0.82);
}

.page-contact .pc-band figcaption {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px clamp(20px, 4vw, 48px) 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

/* ---------- 三条路径 ---------- */
.page-contact .pc-channels {
  position: relative;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(46px, 6vw, 76px) 0;
  background: linear-gradient(180deg, var(--deep-water) 0%, #0e4b4b 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .pc-channels .container {
  position: relative;
  z-index: 1;
}

.page-contact .pc-channels__trace {
  position: absolute;
  top: 0;
  right: 0;
  width: min(46%, 440px);
  height: 100%;
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .pc-channels .eyebrow {
  color: var(--celadon-pale);
}

.page-contact .pc-head {
  max-width: 40em;
}

.page-contact .pc-head h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.4vw, 38px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .pc-head__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--pc-deep-soft);
}

.page-contact .pc-channel-layout {
  display: grid;
  gap: 34px;
  margin-top: 36px;
}

.page-contact .pc-belt {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .pc-belt:last-child {
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .pc-belt__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--celadon-pale);
}

.page-contact .pc-belt__name {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .pc-belt__desc {
  max-width: 34em;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-deep-soft);
}

.page-contact .pc-belt__meta {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--celadon-pale);
}

.page-contact .pc-belt .contact-item {
  margin-top: 14px;
}

.page-contact .pc-belt .contact-item__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .pc-belt .contact-item__value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--signal-glow);
  word-break: break-all;
}

.page-contact .pc-belt .copy-btn {
  appearance: none;
  border: 1px solid rgba(245, 242, 233, 0.42);
  background: transparent;
  color: var(--paper);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 8px 14px;
  cursor: pointer;
  transition: background-color 120ms var(--ease), color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .pc-belt .copy-btn:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--deep-water);
}

.page-contact .pc-belt .copy-btn.is-done {
  background: var(--signal-orange);
  border-color: var(--signal-orange);
  color: var(--paper);
}

.page-contact .pc-belt .copy-btn:focus-visible {
  outline: 2px solid var(--signal-glow);
  outline-offset: 3px;
}

.page-contact .pc-belt__link {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 18px;
  background: var(--signal-orange);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: background-color 120ms var(--ease), color 120ms var(--ease);
}

.page-contact .pc-belt__link:hover,
.page-contact .pc-belt__link:focus-visible {
  background: var(--signal-glow);
  color: var(--deep-water);
}

.page-contact .pc-channel-figure {
  margin: 0;
}

.page-contact .pc-channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
  filter: saturate(0.85);
}

.page-contact .pc-channel-figure figcaption {
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--celadon-pale);
}

/* ---------- 自检清单 ---------- */
.page-contact .pc-checklist {
  padding: clamp(52px, 7vw, 88px) 0;
  background: var(--paper);
}

.page-contact .pc-head--ink .pc-head__lede {
  color: var(--pc-ink-soft);
}

.page-contact .pc-check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-check {
  padding: 26px 22px 30px;
  background: var(--mist);
  border-left: 3px solid var(--celadon-mid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-contact .pc-check__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--celadon-primary);
}

.page-contact .pc-check h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .pc-check p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

.page-contact .pc-check-note {
  margin: 26px 0 0;
  padding: 4px 0 4px 16px;
  border-left: 3px solid var(--signal-orange);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 响应时间 ---------- */
.page-contact .pc-hours {
  padding: clamp(52px, 7vw, 88px) 0;
  background: var(--mist);
}

.page-contact .pc-hours-inner {
  display: grid;
  gap: 30px;
}

.page-contact .pc-hours-time {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--deep-water);
}

.page-contact .pc-hours-time small {
  display: block;
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--celadon-primary);
}

.page-contact .pc-hours-note {
  margin: 18px 0 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

.page-contact .pc-hours-list {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hours-list li {
  padding-top: 20px;
  border-top: 1px solid rgba(18, 97, 95, 0.22);
}

.page-contact .pc-hours-list h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-contact .pc-hours-list p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

.page-contact .pc-hours-list a,
.page-contact .pc-partner-card a {
  color: var(--celadon-primary);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 120ms var(--ease);
}

.page-contact .pc-hours-list a:hover,
.page-contact .pc-partner-card a:hover {
  color: var(--signal-orange);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .pc-partner {
  padding: clamp(52px, 7vw, 88px) 0;
  background: var(--paper);
}

.page-contact .pc-partner-grid {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .pc-partner-card {
  padding: 30px 24px 34px;
  background: var(--celadon-pale);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-contact .pc-partner-card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.page-contact .pc-partner-card__lede {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

.page-contact .pc-partner-card ul {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-partner-card li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .pc-partner-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--celadon-primary);
}

.page-contact .pc-partner-card--deep {
  background: var(--deep-water);
  color: var(--paper);
}

.page-contact .pc-partner-card--deep .pc-partner-card__lede {
  color: var(--pc-deep-soft);
}

.page-contact .pc-partner-card--deep li {
  color: rgba(245, 242, 233, 0.86);
}

.page-contact .pc-partner-card--deep li::before {
  background: var(--signal-glow);
}

.page-contact .pc-partner-card--deep a {
  color: var(--signal-glow);
}

.page-contact .pc-partner-card--deep a:hover {
  color: var(--paper);
}

/* ---------- 地址与备案 ---------- */
.page-contact .pc-address {
  position: relative;
  padding: clamp(52px, 7vw, 88px) 0 clamp(44px, 6vw, 68px);
  background: linear-gradient(180deg, var(--paper) 0%, var(--mist) 100%);
  overflow: hidden;
}

.page-contact .pc-address .container {
  position: relative;
  z-index: 1;
}

.page-contact .pc-address__trace {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(42%, 400px);
  height: 76%;
  pointer-events: none;
  display: none;
}

.page-contact .pc-address__inner {
  max-width: 34em;
}

.page-contact .pc-address__name {
  margin: 14px 0 0;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .pc-address__text {
  display: block;
  margin: 14px 0 0;
  font-style: normal;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-address__legal {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-belt {
    grid-template-columns: 64px 1fr;
    column-gap: 20px;
    align-items: start;
  }

  .page-contact .pc-belt__idx {
    padding-top: 4px;
  }

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

@media (min-width: 900px) {
  .page-contact .pc-channel-layout {
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .pc-hours-inner {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .pc-partner-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }

  .page-contact .pc-address__trace {
    display: block;
  }
}

@media (max-width: 420px) {
  .page-contact .pc-belt .contact-item__value {
    font-size: 13.5px;
  }

  .page-contact .pc-check {
    padding: 22px 18px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-belt .copy-btn,
  .page-contact .pc-belt__link,
  .page-contact .pc-crumbs a {
    transition: none;
  }
}
<<<END>>>