/* ===== 联系与反馈页专属样式 ===== */

.page-contact {
  --contact-tag-red: var(--tag-4);
  --contact-tag-sand: var(--tag-1);
  --contact-tag-green: var(--tag-2);
  --contact-tag-blue: var(--tag-3);
}

/* 顶部横幅 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: 3rem 2.25rem;
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  pointer-events: none;
  max-width: 100%;
}

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

.page-contact .breadcrumb {
  margin-bottom: 1.25rem;
}

.page-contact .breadcrumb a {
  color: var(--status-yellow);
  text-decoration-color: rgba(241, 196, 15, 0.5);
}

.page-contact .breadcrumb span[aria-current="page"] {
  color: rgba(245, 241, 232, 0.75);
}

.page-contact .breadcrumb__sep {
  margin-inline: 0.4rem;
  color: rgba(245, 241, 232, 0.5);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1.3;
  margin: 0 0 0.75rem;
  color: var(--on-dark);
}

.page-contact .contact-hero__lead {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 42rem;
  margin: 0 0 1.5rem;
  color: rgba(245, 241, 232, 0.9);
}

.page-contact .contact-hero__lead b {
  color: var(--status-yellow);
  font-weight: 600;
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.page-contact .contact-hero__meta-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(245, 241, 232, 0.8);
  border-left: 1px solid rgba(245, 241, 232, 0.3);
  padding-left: 0.75rem;
}

/* 联系入口 */
.page-contact .contact-entry {
  padding-block: 2.75rem;
}

.page-contact .contact-entry__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-block: 1.75rem 1.25rem;
}

.page-contact .contact-entry__card {
  border-radius: 0;
  padding: 1.75rem 1.5rem 1.5rem;
  color: var(--on-dark);
  position: relative;
  border: 1px solid rgba(245, 241, 232, 0.16);
  box-shadow: 4px 4px 0 rgba(51, 51, 51, 0.08);
}

.page-contact .contact-entry__card--mail {
  background: var(--bg-dark-blue);
}

.page-contact .contact-entry__card--phone {
  background: var(--bg-dark-green);
}

.page-contact .contact-entry__icon {
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  color: var(--status-yellow);
}

.page-contact .contact-entry__card--phone .contact-entry__icon {
  color: var(--accent-orange);
}

.page-contact .contact-entry__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245, 241, 232, 0.65);
  margin-bottom: 0.4rem;
}

.page-contact .contact-entry__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px dashed rgba(245, 241, 232, 0.35);
  padding-bottom: 0.5rem;
  margin-bottom: 0.85rem;
  overflow-wrap: anywhere;
}

.page-contact .contact-entry__value:hover {
  color: var(--status-yellow);
  border-bottom-style: solid;
}

.page-contact .contact-entry__desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.85);
  margin: 0 0 1rem;
}

.page-contact .contact-entry__desc b {
  color: var(--status-yellow);
  font-weight: 600;
}

.page-contact .contact-entry__address {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-family: var(--font-body);
  font-size: 0.85rem;
}

.page-contact .contact-entry__address-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-red);
}

.page-contact .contact-entry__address-text {
  color: var(--text-main);
}

/* 问题类型标签区 */
.page-contact .contact-topics {
  padding-block: 2.75rem;
}

.page-contact .contact-topics .section-title {
  color: var(--on-green);
}

.page-contact .contact-topics__intro {
  max-width: 44rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  margin: 0 0 1.25rem;
  color: rgba(220, 228, 220, 0.88);
}

.page-contact .contact-topics__intro b {
  color: var(--status-yellow);
  font-weight: 600;
}

.page-contact .contact-topics__deco {
  margin-bottom: 1.5rem;
}

.page-contact .contact-topics__deco img {
  width: 100%;
  max-width: 100%;
  height: auto;
  opacity: 0.55;
  display: block;
}

.page-contact .contact-topics__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.page-contact .contact-topics__tag {
  display: inline-flex;
  align-items: center;
  background: var(--contact-tag-sand);
  color: var(--text-main);
  border: 1px solid rgba(51, 51, 51, 0.14);
  border-radius: 0;
  padding: 0.5rem 0.8rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: default;
  overflow-wrap: anywhere;
}

.page-contact .contact-topics__tag--c1 {
  background: var(--contact-tag-sand);
}

.page-contact .contact-topics__tag--c2 {
  background: var(--contact-tag-green);
}

.page-contact .contact-topics__tag--c3 {
  background: var(--contact-tag-blue);
}

.page-contact .contact-topics__tag--c4 {
  background: var(--contact-tag-red);
}

.page-contact .contact-topics__tag::before {
  content: "";
  display: inline-block;
  flex: 0 0 auto;
  width: 0.55em;
  height: 0.55em;
  margin-right: 0.5em;
  border: 1px solid currentColor;
  transform: rotate(45deg);
  vertical-align: -0.1em;
  opacity: 0.7;
}

.page-contact .contact-topics__tag--c2::before {
  border-radius: 50%;
  transform: none;
}

.page-contact .contact-topics__tag--c3::before {
  transform: rotate(45deg) scale(0.75);
}

.page-contact .contact-topics__tag--c4::before {
  transform: rotate(0deg);
  border-radius: 1px;
}

.page-contact .contact-topics__tag--lg {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
}

.page-contact .contact-topics__tag:hover {
  transform: translateY(-2px);
  box-shadow: 2px 2px 0 var(--accent-red);
}

/* 反馈流程 */
.page-contact .contact-flow {
  padding-block: 2.75rem;
  background: linear-gradient(to bottom, var(--bg-card), var(--bg-page));
}

.page-contact .contact-flow__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.75rem;
}

.page-contact .contact-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-flow__step {
  position: relative;
  padding-left: 3.25rem;
  padding-bottom: 1.75rem;
  margin-left: 1rem;
  border-left: 2px dashed var(--border);
}

.page-contact .contact-flow__step:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .contact-flow__num {
  position: absolute;
  left: -1.5rem;
  top: 0;
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-red);
  color: var(--on-dark);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  z-index: 1;
}

.page-contact .contact-flow__step:nth-child(2) .contact-flow__num {
  background: var(--accent-orange);
}

.page-contact .contact-flow__step:nth-child(3) .contact-flow__num {
  background: var(--accent-purple);
}

.page-contact .contact-flow__step:nth-child(4) .contact-flow__num {
  background: var(--status-green);
}

.page-contact .contact-flow__step h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
  color: var(--text-main);
}

.page-contact .contact-flow__step p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0;
}

.page-contact .contact-flow__hint {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-4px);
  transition: max-height 0.28s ease, opacity 0.28s ease, transform 0.28s ease, margin 0.28s ease;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--accent-red);
  border-left: 2px solid var(--status-yellow);
  padding-left: 0.65rem;
}

.page-contact .contact-flow__step:hover .contact-flow__hint,
.page-contact .contact-flow__step:focus-within .contact-flow__hint {
  max-height: 6rem;
  opacity: 1;
  transform: translateY(0);
  margin-top: 0.5rem;
}

.page-contact .contact-flow__side {
  display: flex;
  align-items: flex-start;
}

.page-contact .contact-flow__side img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  display: block;
}

/* 相关帮助入口 */
.page-contact .contact-help {
  padding-block: 2.75rem;
}

.page-contact .contact-help .section-title {
  color: var(--on-dark);
}

.page-contact .contact-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  max-width: 46rem;
  margin-top: 1.75rem;
}

.page-contact .contact-help__card {
  border-radius: 0;
  padding: 1.5rem;
  text-decoration: none;
  display: block;
  border-left: 4px solid currentColor;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .contact-help__card.card--amber {
  border-left-color: var(--accent-orange);
}

.page-contact .contact-help__card.card--purple {
  border-left-color: var(--accent-purple);
}

.page-contact .contact-help__card:hover {
  transform: translateY(-3px);
  box-shadow: 4px 4px 0 rgba(51, 51, 51, 0.12);
}

.page-contact .contact-help__card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  color: var(--text-main);
}

.page-contact .contact-help__card p {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-sub);
  margin: 0 0 0.85rem;
}

.page-contact .contact-help__card p b {
  font-weight: 600;
  color: var(--text-main);
}

.page-contact .contact-help__cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-main);
  border-bottom: 1px solid var(--text-main);
  padding-bottom: 0.1rem;
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-contact .contact-entry__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-entry__card {
    padding: 2rem 1.75rem;
  }

  .page-contact .contact-flow__layout {
    grid-template-columns: 1fr 280px;
    align-items: start;
  }

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

  .page-contact .contact-topics__tags {
    gap: 0.75rem;
  }
}

/* 无悬停设备 */
@media (hover: none) {
  .page-contact .contact-flow__hint {
    max-height: 6rem;
    opacity: 1;
    transform: none;
    margin-top: 0.5rem;
  }

  .page-contact .contact-topics__tag {
    cursor: default;
  }

  .page-contact .contact-help__card:hover,
  .page-contact .contact-topics__tag:hover {
    transform: none;
    box-shadow: none;
  }
}