/* ===== 联系与反馈页专属样式 ===== */
.page-contact {
  background: var(--bg);
}

.page-contact .section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  color: var(--text-main);
}

.page-contact .section-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-sub);
  letter-spacing: .08em;
}

/* 顶部横幅 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 2.25rem 0 2rem;
  background: linear-gradient(120deg, rgba(16,35,58,.92), rgba(13,43,43,.78)), var(--bg-deep-blue);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .28;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--accent);
  z-index: 2;
}

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

.page-contact .contact-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .9rem;
  font-size: .85rem;
  color: var(--text-sub);
}

.page-contact .contact-crumbs a {
  color: var(--text-sub);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-crumbs a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.page-contact .contact-crumbs [aria-current="page"] {
  color: var(--card-yellow);
}

.page-contact .contact-hero h1 {
  margin: .3rem 0 .5rem;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 6vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--text-main);
}

.page-contact .page-lead {
  max-width: 54ch;
  margin: 0;
  font-size: 1rem;
  color: var(--text-sub);
}

/* 联系入口 */
.page-contact .contact-channels {
  padding: 3.25rem 0;
  background: var(--bg-deep-blue);
}

.page-contact .contact-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  min-height: 148px;
  padding: 1.5rem 1.5rem 1.6rem;
  background: var(--card-orange);
  color: #141414;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  transition: transform .18s ease, filter .18s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  filter: brightness(1.04);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46px;
  height: 6px;
  background: var(--accent);
}

.page-contact .contact-card--mail::after,
.page-contact .contact-card--phone::after {
  content: "↗";
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  font-size: 1rem;
  color: rgba(20,20,20,.5);
}

.page-contact .contact-card-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: rgba(20,20,20,.14);
  color: #141414;
}

.page-contact .contact-card-label {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: rgba(20,20,20,.68);
}

.page-contact .contact-card-value {
  font-family: var(--font-mono);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;
  color: #141414;
  word-break: break-word;
}

.page-contact .contact-card--addr .contact-card-value {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
}

/* 反馈须知 */
.page-contact .feedback-zone {
  padding: 3.25rem 0;
  background: var(--bg-deep-green);
}

.page-contact .feedback-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
  align-items: start;
}

.page-contact .feedback-list {
  list-style: none;
  margin: 0;
  padding: 1rem 1.2rem;
  display: grid;
  gap: .4rem 2.5rem;
  background: rgba(0,194,168,.08);
  border-top: 4px solid var(--card-yellow);
}

.page-contact .feedback-step {
  display: flex;
  gap: 1rem;
  padding: .8rem 0;
  border-bottom: 1px solid rgba(42,63,63,.7);
}

.page-contact .feedback-step:last-child {
  border-bottom: 0;
}

.page-contact .feedback-seq {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--card-yellow);
  min-width: 2rem;
}

.page-contact .feedback-step-body h3 {
  margin: 0 0 .2rem;
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--text-main);
}

.page-contact .feedback-step-body p {
  margin: 0;
  color: var(--text-sub);
  font-size: .9rem;
  line-height: 1.5;
}

.page-contact .feedback-side {
  align-self: center;
  margin: 0;
}

.page-contact .feedback-side img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 400px;
  background: var(--card-teal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .feedback-side figcaption {
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-sub);
}

/* 处理时效 */
.page-contact .response-zone {
  padding: 3.25rem 0 3.5rem;
  background: var(--bg-deep-green);
  border-top: 1px solid rgba(42,63,63,.6);
}

.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-contact .response-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 180px;
  padding: 1.6rem 1.5rem 1.5rem;
  color: #14251f;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-contact .response-card--respond {
  background: var(--card-yellow);
}

.page-contact .response-card--handle {
  background: var(--card-teal);
}

.page-contact .response-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
}

.page-contact .response-kicker {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: rgba(20,37,31,.6);
  margin-bottom: .4rem;
}

.page-contact .response-duration {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 7vw, 4.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: #14251f;
  margin-bottom: .5rem;
}

.page-contact .response-card h3 {
  margin: 0 0 .3rem;
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: #14251f;
}

.page-contact .response-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.5;
  color: rgba(20,37,31,.72);
}

.page-contact .contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 1.75rem;
}

/* 桌面端布局增强 */
@media (min-width: 860px) {
  .page-contact .contact-hero {
    padding: 4.5rem 0 3.25rem;
  }

  .page-contact .page-lead {
    font-size: 1.1rem;
  }

  .page-contact .contact-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-contact .contact-card {
    min-height: 170px;
  }

  .page-contact .feedback-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 3rem;
  }

  .page-contact .feedback-list {
    grid-template-rows: repeat(5, auto);
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    padding: .8rem 1.4rem;
  }

  .page-contact .feedback-step {
    padding: .9rem 0;
  }

  .page-contact .feedback-side img {
    width: 360px;
    height: 270px;
  }

  .page-contact .response-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-contact .response-card {
    min-height: 210px;
    padding: 2rem 1.8rem 1.8rem;
  }
}