.page-contact {
  --card-ink: #081914;
  --card-line: rgba(233, 184, 92, 0.38);
  --card-shadow: 0 26px 64px rgba(0, 0, 0, 0.48);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
  color: var(--mist);
}

.page-contact .contact-hero {
  padding: clamp(26px, 5vw, 56px) 0 clamp(16px, 2.5vw, 26px);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .hero-copy .eyebrow {
  color: var(--cyan);
}

.page-contact .hero-copy .h1 {
  margin: 12px 0 16px;
  max-width: 15ch;
}

.page-contact .hero-copy .lede {
  max-width: 60ch;
}

.page-contact .resp-band {
  align-self: end;
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--gold);
  background: linear-gradient(120deg, rgba(233, 184, 92, 0.16), rgba(55, 232, 208, 0.05));
}

.page-contact .resp-label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .resp-time {
  font-size: clamp(18px, 4.4vw, 24px);
  color: var(--chalk);
}

.page-contact .resp-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 首屏通栏图 ---------- */
.page-contact .contact-banner {
  width: min(100% - var(--gutter) * 2, var(--shell-max));
  margin: clamp(20px, 3vw, 34px) auto 0;
  border-radius: var(--r-xl);
  overflow: hidden;
}

.page-contact .contact-banner figcaption {
  padding: 12px 18px 14px;
}

/* ---------- 联系方式 ---------- */
.page-contact .section-head {
  max-width: 68ch;
}

.page-contact .section-head .h2 {
  margin: 8px 0 12px;
}

.page-contact .channel-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 38px);
  margin-top: clamp(24px, 4vw, 42px);
}

.page-contact .contact-card {
  background: var(--card-ink);
  border: 1px solid var(--card-line);
  border-radius: var(--r-xl);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--card-shadow);
}

.page-contact .card-label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .channel {
  display: grid;
  gap: 8px;
  padding-top: 18px;
}

.page-contact .channel-name {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(17px, 3.8vw, 24px);
  line-height: 1.35;
  color: var(--chalk);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .channel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.page-contact .channel-actions .btn,
.page-contact .channel-actions .copy-btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-contact .channel-div {
  border: 0;
  height: 1px;
  margin: 22px 0 0;
  background: linear-gradient(90deg, rgba(55, 232, 208, 0.5), rgba(55, 232, 208, 0));
}

.page-contact .channel-notes {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .note-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 20px 22px;
}

.page-contact .note-num {
  display: inline-block;
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .note-card .h3 {
  margin: 0 0 8px;
  color: var(--chalk);
}

.page-contact .note-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .channel-more {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .channel-more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 232, 208, 0.5);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-feedback .feedback-media {
  margin: clamp(22px, 3.5vw, 36px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .contact-feedback .filter-bar {
  margin-top: clamp(22px, 3.5vw, 34px);
}

.page-contact .feedback-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 22px;
}

.page-contact .feedback-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface-2);
}

.page-contact .feedback-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .feedback-card .h3 {
  margin: 0;
  color: var(--chalk);
}

.page-contact .feedback-lead {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .material-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .material-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-contact .material-key {
  font-size: 13px;
  color: var(--gold);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 58px;
}

.page-contact .flow-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  border: 1px solid var(--gold);
  background: var(--ink);
  color: var(--gold);
  font-size: 14px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 48px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, rgba(233, 184, 92, 0.5), rgba(233, 184, 92, 0));
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-step .h3 {
  margin: 0 0 8px;
  color: var(--chalk);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 58ch;
}

.page-contact .flow-note {
  margin-top: clamp(24px, 3.5vw, 36px);
  padding: 18px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--surface-3);
}

.page-contact .flow-note-title {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .flow-note p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .partner-card {
  padding: 22px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(241, 247, 243, 0.22);
  background: rgba(11, 30, 26, 0.4);
}

.page-contact .partner-tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(233, 184, 92, 0.55);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-contact .partner-card .h3 {
  margin: 0 0 8px;
  color: var(--chalk);
}

.page-contact .partner-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 提交前提示 ---------- */
.page-contact .tips-list {
  list-style: none;
  margin: clamp(22px, 3.5vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .tip-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--line);
}

.page-contact .tip-num {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-pill);
  background: rgba(55, 232, 208, 0.12);
  color: var(--cyan);
  font-size: 13px;
}

.page-contact .tip-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .tip-item strong {
  color: var(--chalk);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-next .h2 {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .next-card {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .next-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .next-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .tips-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-contact .feedback-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .feedback-card:last-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }

  .page-contact .note-card:nth-child(1) {
    margin-right: 18%;
  }

  .page-contact .note-card:nth-child(2) {
    margin-right: 9%;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 52px);
  }

  .page-contact .flow-step:nth-child(2)::before {
    bottom: 0;
  }

  .page-contact .flow-step:nth-child(3)::before {
    top: -22px;
    bottom: -22px;
  }

  .page-contact .flow-step:nth-child(3),
  .page-contact .flow-step:nth-child(4) {
    padding-top: 4px;
  }

  .page-contact .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-contact .tips-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .next-card {
    transition: none;
    transform: none;
  }
}