.page-contact {
  --contact-cut: 18px;
  --contact-max: 62rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--body);
  line-height: 1.75;
}

.page-contact a {
  color: inherit;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  padding: 1.35rem 0 0;
  background: var(--ink);
}

.page-contact .crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--neutral);
}

.page-contact .crumb__item + .crumb__item::before {
  content: "/";
  margin: 0 0.6rem;
  color: rgba(157, 179, 171, 0.45);
}

.page-contact .crumb__link {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .crumb__link:hover,
.page-contact .crumb__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-strong);
}

.page-contact .crumb__current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(120% 130% at 86% -12%, rgba(23, 224, 200, 0.16), rgba(11, 46, 40, 0) 58%),
    linear-gradient(162deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 88%);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.page-contact .contact-hero__title {
  margin: 0.9rem 0 0;
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 8vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__intro {
  margin: 1.3rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.98rem, 1.7vw, 1.1rem);
  color: rgba(244, 248, 246, 0.82);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.9rem;
}

.page-contact .contact-hero__stamp {
  align-self: start;
  padding: 1.4rem 1.4rem 0.6rem;
  background: rgba(7, 30, 26, 0.72);
}

.page-contact .contact-hero__stamp-k {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-contact .contact-hero__stamp-v {
  margin: 0.3rem 0 1.05rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(244, 248, 246, 0.86);
}

/* ---------- 可以反馈什么 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding-bottom: clamp(3rem, 7vw, 5rem);
  background: var(--ink);
}

.page-contact .contact-channels__figure {
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
}

.page-contact .channel-row {
  display: grid;
  gap: 1rem;
}

.page-contact .channel-panel {
  position: relative;
  padding: 1.5rem 1.4rem 1.25rem;
  background: linear-gradient(158deg, rgba(20, 82, 74, 0.55), rgba(11, 46, 40, 0.9));
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
  transition: transform 0.24s var(--ease), background 0.24s var(--ease);
}

.page-contact .channel-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 3.2rem;
  background: var(--cyan);
}

.page-contact .channel-panel:hover,
.page-contact .channel-panel:focus-visible {
  transform: translateY(-4px);
  background: linear-gradient(158deg, rgba(20, 82, 74, 0.8), rgba(11, 46, 40, 0.96));
  outline: none;
}

.page-contact .channel-panel:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-contact .channel-panel__no {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  color: var(--neutral);
}

.page-contact .channel-panel__title {
  margin: 0.6rem 0 0.55rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .channel-panel__desc {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(244, 248, 246, 0.78);
}

.page-contact .channel-panel__eg {
  display: flex;
  gap: 0.55rem;
  margin: 0;
  padding-top: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 0.85rem;
  color: rgba(244, 248, 246, 0.68);
  transition: max-height 0.3s var(--ease), opacity 0.3s var(--ease), padding-top 0.3s var(--ease);
}

.page-contact .channel-panel:hover .channel-panel__eg,
.page-contact .channel-panel:focus-within .channel-panel__eg,
.page-contact .channel-panel:focus .channel-panel__eg {
  max-height: 9rem;
  padding-top: 0.85rem;
  opacity: 1;
}

.page-contact .channel-panel__eg-k {
  flex: none;
  align-self: flex-start;
  padding: 0.1rem 0.4rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: var(--amber);
}

/* ---------- 反馈怎么被处理 ---------- */
.page-contact .contact-flow {
  position: relative;
  padding-top: clamp(3rem, 7vw, 4.5rem);
  padding-bottom: clamp(3rem, 7vw, 4.5rem);
}

.page-contact .flow-track {
  position: relative;
  display: grid;
  gap: 0.9rem;
  margin: 0 0 clamp(2rem, 4vw, 2.75rem);
  padding: 0;
  list-style: none;
}

.page-contact .flow-step__link {
  display: block;
  padding: 1.1rem 1.2rem 1.25rem;
  text-decoration: none;
  background: rgba(20, 82, 74, 0.34);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
  transition: background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .flow-step__link:hover,
.page-contact .flow-step__link:focus-visible {
  background: rgba(23, 224, 200, 0.14);
  transform: translateY(-3px);
  outline: none;
}

.page-contact .flow-step__link:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-contact .flow-step__no {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .flow-step__name {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--paper);
}

.page-contact .flow-step__desc {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.86rem;
  color: rgba(244, 248, 246, 0.7);
}

.page-contact .contact-flow__figure {
  margin: 0 0 clamp(2rem, 4vw, 2.75rem);
}

.page-contact .flow-notes {
  display: grid;
  gap: 1.4rem;
}

.page-contact .flow-note {
  padding-left: 1.1rem;
  border-left: 2px solid rgba(23, 224, 200, 0.4);
}

.page-contact .flow-note__k {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .flow-note__title {
  margin: 0.4rem 0 0.45rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--paper);
}

.page-contact .flow-note__desc {
  margin: 0;
  font-size: 0.93rem;
  color: rgba(244, 248, 246, 0.76);
}

/* ---------- 写出高效反馈的三个信息 ---------- */
.page-contact .contact-tips {
  padding-top: clamp(3rem, 7vw, 4.5rem);
  padding-bottom: clamp(3rem, 7vw, 4.5rem);
}

.page-contact .contact-tips__grid {
  display: grid;
  gap: 1.75rem;
}

.page-contact .contact-tips__lead {
  margin: 0.85rem 0 0;
  font-size: 0.98rem;
  color: rgba(16, 32, 29, 0.72);
}

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

.page-contact .tip {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1.15rem 0;
  border-top: 1px solid rgba(16, 32, 29, 0.14);
}

.page-contact .tip:last-child {
  border-bottom: 1px solid rgba(16, 32, 29, 0.14);
}

.page-contact .tip__no {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--cyan-dark);
}

.page-contact .tip__title {
  margin: 0 0 0.3rem;
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--text-ink);
}

.page-contact .tip__desc {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(16, 32, 29, 0.72);
}

/* ---------- 联系方式与工作时间 ---------- */
.page-contact .contact-reach {
  position: relative;
  padding-top: clamp(3rem, 7vw, 4.5rem);
  padding-bottom: clamp(3.5rem, 8vw, 5.5rem);
  background: var(--paper);
  color: var(--text-ink);
}

.page-contact .contact-reach .section__eyebrow {
  color: var(--cyan-dark);
}

.page-contact .contact-reach .section__title {
  color: var(--text-ink);
}

.page-contact .reach-card {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  background: var(--wash);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .reach-grid {
  display: grid;
  gap: 1.6rem;
}

.page-contact .reach-item__k {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan-dark);
  text-transform: uppercase;
}

.page-contact .reach-item__v {
  margin: 0.5rem 0 0;
  font-family: var(--mono);
  font-size: clamp(1rem, 3.4vw, 1.3rem);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--text-ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .reach-item__v--sm {
  font-size: clamp(0.95rem, 2.6vw, 1.1rem);
}

.page-contact .reach-item__n {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  color: rgba(16, 32, 29, 0.68);
}

.page-contact .reach-foot {
  margin: 1.5rem 0 0;
  font-size: 0.88rem;
  color: rgba(16, 32, 29, 0.66);
}

.page-contact .reach-foot__link {
  color: var(--cyan-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 167, 154, 0.45);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .reach-foot__link:hover,
.page-contact .reach-foot__link:focus-visible {
  color: var(--text-ink);
  border-bottom-color: var(--text-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }

  .page-contact .channel-panel:first-child {
    grid-column: span 2;
  }

  .page-contact .flow-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.6rem;
  }

  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.9rem;
  }

  .page-contact .reach-item--wide {
    grid-column: span 2;
    padding-top: 1.4rem;
    border-top: 1px solid rgba(16, 32, 29, 0.14);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

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

  .page-contact .channel-panel:first-child {
    grid-column: span 1;
  }

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

  .page-contact .flow-track::before {
    content: "";
    position: absolute;
    top: 2.35rem;
    left: 7%;
    right: 7%;
    height: 1px;
    background: linear-gradient(90deg, rgba(23, 224, 200, 0) 0%, rgba(23, 224, 200, 0.45) 14%, rgba(23, 224, 200, 0.45) 86%, rgba(23, 224, 200, 0) 100%);
  }

  .page-contact .flow-step {
    position: relative;
    z-index: 1;
  }

  .page-contact .contact-tips__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) minmax(0, 1.2fr);
  }

  .page-contact .reach-item--wide {
    grid-column: span 1;
    padding-top: 0;
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-panel,
  .page-contact .channel-panel__eg,
  .page-contact .flow-step__link,
  .page-contact .crumb__link,
  .page-contact .reach-foot__link {
    transition: none;
  }

  .page-contact .channel-panel:hover,
  .page-contact .channel-panel:focus-visible,
  .page-contact .flow-step__link:hover,
  .page-contact .flow-step__link:focus-visible {
    transform: none;
  }
}
<<<END>>>