.page-contact {
  --page-contact-grid-line: rgba(61, 61, 61, 0.42);
  --page-contact-grid-size: 34px;
  position: relative;
  background: var(--bg-deep);
  color: var(--text-main);
  max-width: 1360px;
  margin-inline: auto;
  padding: 26px 16px 96px;
}

.page-contact .breadcrumb {
  margin-bottom: 20px;
}

.page-contact__intro {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 0 28px;
  border-bottom: 1px solid var(--line);
}

.page-contact__intro::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 180px;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow), var(--neon), var(--blue), var(--coral));
}

.page-contact__kicker {
  display: inline-block;
  width: fit-content;
  margin: 0;
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--neon);
  text-transform: uppercase;
}

.page-contact__intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact__lead {
  max-width: 62ch;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.7;
}

.page-contact__section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.page-contact__section-no {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  color: var(--neon);
  background: var(--bg-deep);
  border: 1px solid var(--line);
  padding: 5px 8px;
}

.page-contact__section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.55rem;
  line-height: 1.2;
}

.page-contact__section-head--light {
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

.page-contact__section-head--light .page-contact__section-no {
  color: var(--bg-deep);
  background: var(--yellow);
  border-color: var(--yellow);
}

/* 01 反馈渠道 */
.page-contact__channels {
  margin-top: 30px;
  padding: 26px 18px 30px;
  background:
    linear-gradient(var(--page-contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-contact-grid-line) 1px, transparent 1px),
    var(--bg-purple);
  background-size: var(--page-contact-grid-size) var(--page-contact-grid-size), var(--page-contact-grid-size) var(--page-contact-grid-size), auto;
  border-left: 4px solid var(--yellow);
}

.page-contact__card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact__contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-panel);
  border: 2px solid;
  padding: 22px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-contact__contact-card--phone {
  border-color: var(--yellow);
}

.page-contact__contact-card--email {
  border-color: var(--neon);
}

.page-contact__contact-card--address {
  border-color: var(--blue);
}

@media (hover: hover) {
  .page-contact__contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 0 rgba(0, 0, 0, 0.28);
  }

  .page-contact__contact-card:hover .page-contact__copy-btn {
    opacity: 1;
  }
}

.page-contact__contact-icon-wrap {
  width: 84px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
}

.page-contact__contact-card--phone .page-contact__contact-icon-wrap {
  background: var(--yellow);
}

.page-contact__contact-card--email .page-contact__contact-icon-wrap {
  background: var(--neon);
}

.page-contact__contact-card--address .page-contact__contact-icon-wrap {
  background: var(--coral);
}

.page-contact__contact-icon {
  width: 64px;
  height: 64px;
  object-fit: cover;
  display: block;
  filter: saturate(0.85);
}

.page-contact__contact-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact__contact-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.page-contact__contact-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 2.4vw, 1.28rem);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.page-contact__contact-scope {
  font-size: 0.84rem;
  color: var(--text-secondary);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-contact__copy-btn {
  position: absolute;
  right: 14px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--bg-deep);
  background: var(--yellow);
  padding: 5px 9px;
  display: inline-block;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-contact__contact-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-main);
  border: 1px solid var(--line);
  padding: 3px 6px;
}

/* 02 反馈类型与处理时效 */
.page-contact__feedback {
  margin-top: 42px;
  padding: 26px 18px 30px;
  background: var(--bg-orange);
  border-left: 4px solid var(--coral);
}

.page-contact__feedback-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact__feedback-table {
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact__feedback-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.page-contact__feedback-row:first-child {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.page-contact__feedback-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.12rem;
  letter-spacing: 0.02em;
}

.page-contact__feedback-name::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  background: var(--neon);
  vertical-align: 1px;
}

.page-contact__feedback-desc {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.55;
}

.page-contact__feedback-note {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--neon);
  background: rgba(140, 255, 0, 0.1);
  padding: 6px 10px;
  border: 1px solid rgba(140, 255, 0, 0.35);
}

.page-contact__flow-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 20px 16px;
  align-self: start;
}

.page-contact__flow-title {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--yellow);
  text-transform: uppercase;
}

.page-contact__flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-contact__flow-step {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-top-width: 3px;
  padding: 9px 11px;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact__flow-step--submit {
  border-top-color: var(--yellow);
}

.page-contact__flow-step--confirm {
  border-top-color: var(--blue);
}

.page-contact__flow-step--process {
  border-top-color: var(--coral);
}

.page-contact__flow-step--reply {
  border-top-color: var(--neon);
}

@media (hover: hover) {
  .page-contact__flow-step:hover {
    background: var(--yellow);
    color: var(--bg-deep);
  }
}

.page-contact__flow-arrow {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  font-size: 1rem;
}

.page-contact__flow-img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 2px solid var(--neon);
  object-fit: cover;
  margin-top: 4px;
}

/* 03 联系前自查 */
.page-contact__selfcheck {
  margin-top: 42px;
  padding: 26px 18px 30px;
  background:
    linear-gradient(var(--page-contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-contact-grid-line) 1px, transparent 1px),
    var(--bg-green);
  background-size: var(--page-contact-grid-size) var(--page-contact-grid-size), var(--page-contact-grid-size) var(--page-contact-grid-size), auto;
  border-left: 4px solid var(--neon);
}

.page-contact__selfcheck-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact__steps {
  list-style: none;
  counter-reset: contact-steps;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact__step-item {
  counter-increment: contact-steps;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 13px 14px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.page-contact__step-item::before {
  content: "0" counter(contact-steps);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: 0.82rem;
  color: var(--bg-deep);
  background: var(--yellow);
  padding: 3px 7px;
}

.page-contact__step-item a {
  color: var(--yellow);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 230, 77, 0.4);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-contact__step-item a:hover {
  color: var(--neon);
  border-color: var(--neon);
}

.page-contact__selfcheck-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px dashed var(--line);
  padding: 8px 12px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-contact__selfcheck-link:hover {
  color: var(--neon);
  border-color: var(--neon);
}

.page-contact__search-demo-col {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.page-contact__search-demo {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-panel);
  border: 2px solid var(--yellow);
  padding: 15px 16px;
  color: var(--text-main);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact__search-demo:hover {
  background: var(--yellow);
  color: var(--bg-deep);
}

.page-contact__search-icon {
  flex: 0 0 auto;
  opacity: 0.9;
}

.page-contact__search-text {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-contact__search-key {
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-secondary);
  border: 1px solid var(--line);
  padding: 4px 7px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact__search-demo:hover .page-contact__search-key {
  color: var(--bg-deep);
  border-color: var(--bg-deep);
}

.page-contact__selfcheck-hint {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.6;
}

/* 桌面端布局 */
@media (min-width: 720px) {
  .page-contact {
    padding-left: 28px;
    padding-right: 28px;
  }

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

  .page-contact__contact-card--address {
    grid-column: 1 / -1;
  }

  .page-contact__feedback-row {
    grid-template-columns: 140px 1fr auto;
    align-items: center;
    gap: 18px;
  }

  .page-contact__feedback-name {
    font-size: 1rem;
  }

  .page-contact__feedback-note {
    justify-self: end;
  }

  .page-contact__flow-panel {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .page-contact__flow-title {
    margin-right: 8px;
  }

  .page-contact__flow-img {
    max-width: 160px;
  }
}

@media (min-width: 920px) {
  .page-contact__channels {
    padding: 30px 28px 34px;
  }

  .page-contact__feedback {
    padding: 30px 28px 34px;
  }

  .page-contact__selfcheck {
    padding: 30px 28px 34px;
  }

  .page-contact__feedback-wrap {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: start;
    gap: 32px;
  }

  .page-contact__flow-panel {
    flex-direction: column;
    align-items: stretch;
    padding: 22px 18px;
  }

  .page-contact__flow-img {
    align-self: center;
    max-width: 200px;
  }

  .page-contact__selfcheck-grid {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 1160px) {
  .page-contact {
    padding-bottom: 120px;
  }

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

  .page-contact__contact-card--address {
    grid-column: auto;
  }

  .page-contact__contact-card {
    min-height: 320px;
  }
}