.page-contact {
  --pc-ruler-line: rgba(246, 241, 231, .45);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .pf-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-contact a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact a:focus-visible {
  outline: 3px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-contact .contact-crumb-wrap {
  padding-top: 18px;
}

.page-contact .contact-crumb {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

/* ---------- 首屏朱砂红提示带 ---------- */
.page-contact .contact-masthead {
  margin-top: 14px;
  background: var(--cinnabar);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-masthead__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: clamp(28px, 5vw, 56px);
}

.page-contact .contact-masthead__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(246, 241, 231, .45);
  font-size: 11px;
  letter-spacing: .22em;
  line-height: 1;
  color: rgba(246, 241, 231, .78);
}

.page-contact .contact-masthead h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 6vw, 3.25rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-masthead__lead {
  margin: 0;
  max-width: 40ch;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(246, 241, 231, .92);
}

.page-contact .contact-masthead__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(246, 241, 231, .32);
}

.page-contact .contact-masthead__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.85) contrast(1.04);
}

.page-contact .contact-masthead a:focus-visible {
  outline-color: var(--paper);
}

/* ---------- 底栏入口位置 ---------- */
.page-contact .contact-locate {
  background: var(--mist-soft);
  padding-block: clamp(30px, 6vw, 56px);
}

.page-contact .contact-locate__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .contact-locate__kicker,
.page-contact .contact-locate .kicker {
  color: var(--ink);
  border-color: rgba(30, 46, 56, .4);
}

.page-contact .contact-locate h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.6vw, 2.05rem);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .contact-locate__body p {
  margin: 0 0 14px;
  font-size: .96rem;
  line-height: 1.88;
  color: var(--ink);
}

.page-contact .contact-locate__body p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-locate__body a {
  color: var(--cinnabar-deep);
  font-weight: 600;
}

/* ---------- 三张渠道卡 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(34px, 7vw, 74px);
}

.page-contact .contact-channels h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  line-height: 1.26;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .contact-channels__sub {
  margin: 0;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 34px;
}

.page-contact .channel-card {
  position: relative;
  min-width: 0;
  padding: 28px 20px 22px;
  background: var(--paper-white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--mist);
  box-shadow: var(--shadow-sheet);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .channel-card--ochre {
  border-top-color: var(--ochre);
}

.page-contact .channel-card--cinnabar {
  border-top-color: var(--cinnabar);
}

.page-contact .channel-card__no {
  position: absolute;
  top: -14px;
  left: 18px;
  display: inline-block;
  padding: 5px 11px;
  background: var(--mist);
  color: var(--paper-white);
  font-size: 11px;
  letter-spacing: .18em;
  line-height: 1.2;
}

.page-contact .channel-card--ochre .channel-card__no {
  background: var(--ochre);
}

.page-contact .channel-card--cinnabar .channel-card__no {
  background: var(--cinnabar);
}

.page-contact .channel-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.22rem;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .channel-card__text {
  margin: 0 0 16px;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .channel-card__value {
  margin: 0 0 12px;
  padding: 12px 14px;
  background: rgba(169, 194, 207, .2);
  border-left: 3px solid var(--mist);
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--ochre .channel-card__value {
  background: rgba(217, 165, 123, .22);
  border-left-color: var(--ochre);
}

.page-contact .channel-card--cinnabar .channel-card__value {
  background: rgba(200, 50, 42, .07);
  border-left-color: var(--cinnabar);
}

.page-contact .channel-card__value a {
  color: var(--mist);
  font-weight: 600;
}

.page-contact .channel-card__value--tel {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: .01em;
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .channel-card__figure {
  margin: 18px 0 0;
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .channel-card__figure img {
  display: block;
  width: 100%;
  height: 96px;
  object-fit: cover;
  opacity: .55;
  filter: grayscale(.3) sepia(.12);
}

@media (hover: hover) {
  .page-contact .channel-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 0 -8px rgba(30, 46, 56, .10), 0 30px 46px -26px rgba(30, 46, 56, .55);
  }
}

@media (hover: none) {
  .page-contact .channel-card:active {
    transform: translateY(-2px);
  }
}

/* ---------- 反馈要点清单 ---------- */
.page-contact .contact-brief {
  padding-block: clamp(34px, 7vw, 74px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-brief h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.8vw, 2.1rem);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .contact-brief__sub {
  margin: 0;
  max-width: 44ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .brief-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .brief-item {
  border-bottom: 1px dashed var(--line-strong);
}

.page-contact .brief-item__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px;
  cursor: pointer;
}

.page-contact .brief-item__check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .brief-item__mark {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  background: var(--paper-white);
  border: 1px solid var(--line-strong);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .brief-item__check:checked + .brief-item__mark {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

.page-contact .brief-item__check:checked + .brief-item__mark::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 2px;
  width: 6px;
  height: 12px;
  border-right: 2px solid var(--paper-white);
  border-bottom: 2px solid var(--paper-white);
  transform: rotate(40deg);
}

.page-contact .brief-item__check:focus-visible + .brief-item__mark {
  outline: 3px solid var(--cinnabar);
  outline-offset: 3px;
}

.page-contact .brief-item__content {
  min-width: 0;
}

.page-contact .brief-item__content strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-contact .brief-item__content span {
  display: block;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--stone);
}

.page-contact .brief-item__check:checked ~ .brief-item__content strong {
  color: var(--stone);
}

.page-contact .contact-brief__foot {
  margin: 20px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .contact-brief__foot a {
  color: var(--cinnabar-deep);
  font-weight: 600;
}

/* ---------- 回音时间与刻度尺 ---------- */
.page-contact .contact-sla {
  background: var(--mist);
  color: var(--paper);
  padding-block: clamp(34px, 7vw, 68px);
}

.page-contact .contact-sla__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-contact .contact-sla__kicker,
.page-contact .contact-sla .kicker {
  color: rgba(246, 241, 231, .78);
  border-color: rgba(246, 241, 231, .45);
}

.page-contact .contact-sla h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.38rem, 3.6vw, 2rem);
  line-height: 1.3;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-contact .contact-sla__copy > p {
  margin: 0 0 14px;
  font-size: .95rem;
  line-height: 1.88;
  color: rgba(246, 241, 231, .88);
}

.page-contact .contact-sla__copy a {
  color: var(--paper);
  text-decoration-color: rgba(246, 241, 231, .55);
}

.page-contact .contact-sla a:focus-visible {
  outline-color: var(--paper);
}

.page-contact .sla-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .sla-facts > div {
  padding-top: 10px;
  border-top: 1px solid rgba(246, 241, 231, .32);
}

.page-contact .sla-facts dt {
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .14em;
  line-height: 1.5;
  color: rgba(246, 241, 231, .66);
}

.page-contact .sla-facts dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .contact-sla__meter {
  padding: 18px 16px 12px;
  background: rgba(246, 241, 231, .07);
  border: 1px solid rgba(246, 241, 231, .22);
}

.page-contact .sla-ruler {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .sla-ruler text {
  fill: rgba(246, 241, 231, .82);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-contact .contact-sla .sla-meter__caption {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.6;
  text-align: right;
  color: rgba(246, 241, 231, .62);
}

/* ---------- 常见反馈类型 ---------- */
.page-contact .contact-cases {
  padding-block: clamp(34px, 7vw, 74px);
}

.page-contact .contact-cases h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.8vw, 2.1rem);
  line-height: 1.28;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .case-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .case-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .case-item__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .case-item__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.82;
  color: var(--stone);
}

.page-contact .case-item__link {
  justify-self: start;
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar);
  font-size: 12px;
  letter-spacing: .1em;
  line-height: 1.4;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease);
}

@media (hover: hover) {
  .page-contact .case-item__link:hover {
    background: var(--cinnabar);
    color: var(--paper-white);
  }
}

.page-contact .contact-cases__foot {
  margin: 22px 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .contact-cases__foot a {
  color: var(--cinnabar-deep);
  font-weight: 600;
}

/* ---------- 宽屏 ---------- */
@media (min-width: 760px) {
  .page-contact .case-item {
    grid-template-columns: 190px minmax(0, 1fr) 108px;
    align-items: center;
    gap: 22px;
  }

  .page-contact .sla-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-locate__inner {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    padding-top: 16px;
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 32px;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 64px;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-sla__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-masthead__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 40px;
    align-items: center;
  }

  .page-contact .contact-masthead__figure {
    min-height: 280px;
    clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact .contact-masthead__figure img {
    height: 100%;
    aspect-ratio: 14 / 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .case-item__link,
  .page-contact .brief-item__mark {
    transition: none;
  }

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