.page-contact {
  --c-hairline: rgba(22, 50, 79, .14);
  --c-gold-line: rgba(201, 162, 39, .55);
  --c-card-border: rgba(242, 164, 136, .9);
}

/* ---------- 顶部上下文 ---------- */
.page-contact .contact-top {
  padding-top: clamp(24px, 4vw, 44px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-contact .contact-hero-main .display {
  margin: 14px 0 0;
  color: var(--brown);
}

.page-contact .contact-hero-main .lede {
  margin-top: 20px;
  max-width: 34em;
  color: var(--ink);
}

.page-contact .contact-hero-actions {
  margin-top: 28px;
  gap: 12px;
}

.page-contact .contact-hero-media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }
  .page-contact .contact-hero-media {
    transform: translateY(14px);
  }
}

/* ---------- 章节抬头 ---------- */
.page-contact .contact-head {
  max-width: 46rem;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .contact-head .h2 {
  margin: 12px 0 0;
  color: var(--brown);
}

.page-contact .contact-head .lede {
  margin-top: 16px;
}

/* ---------- 渠道区：左大右小 ---------- */
.page-contact .channel-layout {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
}

.page-contact .channel-stack {
  display: grid;
  gap: 20px;
}

.page-contact .channel-card {
  position: relative;
  display: grid;
  gap: 16px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--card);
  border: 1.5px solid var(--c-card-border);
  border-radius: var(--radius-xl);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-6px);
  border-color: var(--orange);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .channel-card-head .h3 {
  margin: 0;
  color: var(--brown);
}

.page-contact .channel-index {
  flex: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--orange);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

.page-contact .channel-card p {
  margin: 0;
  color: var(--ink);
  line-height: 1.75;
}

.page-contact .channel-address {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--brown);
  background: rgba(221, 231, 240, .5);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
}

.page-contact .channel-note {
  font-size: 14px;
  color: rgba(22, 50, 79, .72);
  padding-top: 12px;
  border-top: 1px dashed var(--c-hairline);
}

/* ---------- 复制组件 ---------- */
.page-contact .copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  max-width: 100%;
  padding: 12px 18px;
  background: rgba(221, 231, 240, .38);
  border: 1.5px dashed rgba(22, 50, 79, .34);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--ink);
  cursor: pointer;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-contact .copy-chip:hover {
  transform: translateY(-2px);
  border-color: var(--orange);
  background: rgba(228, 87, 46, .1);
}

.page-contact .copy-chip:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .copy-chip-value {
  overflow-wrap: anywhere;
}

.page-contact .copy-chip-hint {
  flex: none;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 3px 10px;
  border: 1px solid var(--orange);
  border-radius: var(--pill);
  color: var(--orange);
}

.page-contact .copy-chip.is-copied .copy-chip-hint {
  border-color: var(--jade);
  color: var(--jade);
}

/* ---------- 右侧说明 ---------- */
.page-contact .channel-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .channel-graphic {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--mist);
}

.page-contact .channel-graphic img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .channel-aside-note {
  display: grid;
  gap: 14px;
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--radius-xl);
  background: rgba(251, 244, 233, .85);
  border: 1px solid var(--c-gold-line);
}

.page-contact .channel-aside-note .h3 {
  margin: 0;
  color: var(--brown);
}

.page-contact .channel-aside-note p {
  margin: 0;
  color: var(--ink);
  line-height: 1.75;
}

.page-contact .channel-aside-note a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .channel-aside-note .btn {
  justify-self: start;
  text-decoration: none;
}

@media (min-width: 980px) {
  .page-contact .channel-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
  }
  .page-contact .channel-stack {
    gap: 24px;
  }
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .prep-intro .h2 {
  margin: 12px 0 0;
  color: var(--brown);
}

.page-contact .prep-intro .lede {
  margin-top: 16px;
  max-width: 30em;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prep-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--card);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--clay);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-contact .prep-item:hover {
  border-left-color: var(--orange);
  transform: translateX(4px);
}

.page-contact .prep-mark {
  flex: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
  padding-top: 3px;
  letter-spacing: .04em;
}

.page-contact .prep-body strong {
  display: block;
  font-size: 17px;
  color: var(--brown);
  font-weight: 700;
}

.page-contact .prep-body p {
  margin: 6px 0 0;
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
}

@media (min-width: 900px) {
  .page-contact .prep-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }
  .page-contact .prep-intro {
    position: sticky;
    top: 48px;
  }
}

/* ---------- 常见主题 ---------- */
.page-contact .topic-grid {
  gap: 20px;
}

.page-contact .topic-card {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(22px, 3vw, 32px);
  background: var(--card);
  border-radius: var(--radius-xl);
  border-top: 5px solid var(--orange);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .topic-card:nth-child(2) {
  border-top-color: var(--ink);
}

.page-contact .topic-card:nth-child(3) {
  border-top-color: var(--gold);
}

.page-contact .topic-card:nth-child(4) {
  border-top-color: var(--jade);
}

.page-contact .topic-card:hover,
.page-contact .topic-card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2);
}

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

.page-contact .topic-card p {
  margin: 0;
  color: var(--ink);
  line-height: 1.75;
}

.page-contact .topic-link {
  justify-self: start;
  font-weight: 700;
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .topic-link:hover {
  color: var(--brown);
  border-color: var(--orange);
}

.page-contact .topic-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .partner-layout {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .partner-copy .h2 {
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .partner-copy p {
  margin: 18px 0 0;
  color: rgba(255, 251, 244, .84);
  line-height: 1.8;
}

.page-contact .partner-card {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 3vw, 34px);
  border-radius: var(--radius-xl);
  background: rgba(255, 251, 244, .07);
  border: 1px solid var(--c-gold-line);
}

.page-contact .partner-key {
  margin: 0;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .partner-card .copy-chip--ink {
  background: rgba(255, 251, 244, .1);
  border-color: rgba(255, 251, 244, .42);
  color: var(--paper);
}

.page-contact .partner-card .copy-chip--ink:hover {
  border-color: var(--gold);
  background: rgba(201, 162, 39, .18);
}

.page-contact .partner-card .copy-chip--ink .copy-chip-hint {
  color: var(--gold);
  border-color: var(--gold);
}

.page-contact .partner-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 251, 244, .72);
}

@media (min-width: 900px) {
  .page-contact .partner-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  }
}

/* ---------- 四步流程 ---------- */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .flow-step {
  position: relative;
  padding: 40px 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--card);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  transform: translateY(-5px);
  box-shadow: var(--shadow-1);
}

.page-contact .flow-step:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .flow-dot {
  position: absolute;
  top: 16px;
  left: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--card);
  border: 2.5px solid var(--orange);
  transition: transform .22s var(--ease), background .22s var(--ease);
}

.page-contact .flow-step:hover .flow-dot,
.page-contact .flow-step:focus-within .flow-dot {
  background: var(--orange);
  transform: scale(1.2);
}

.page-contact .flow-num {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--gold);
  margin-bottom: 6px;
}

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

.page-contact .flow-step p {
  margin: 0;
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
}

@media (min-width: 880px) {
  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    position: relative;
  }
  .page-contact .flow-list::before {
    content: "";
    position: absolute;
    top: 24px;
    left: 4%;
    right: 4%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold) 14%, var(--gold) 86%, transparent);
    opacity: .8;
    z-index: 0;
  }
  .page-contact .flow-step {
    z-index: 1;
    background: transparent;
    padding: 52px 4px 0;
  }
  .page-contact .flow-dot {
    top: 16px;
    left: 0;
    background: var(--paper);
  }
  .page-contact .flow-step:hover .flow-dot,
  .page-contact .flow-step:focus-within .flow-dot {
    background: var(--orange);
  }
}

/* ---------- 收束 ---------- */
.page-contact .close-band {
  display: grid;
  gap: 18px;
  justify-items: start;
  padding: clamp(28px, 4vw, 52px);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(242, 164, 136, .3), rgba(251, 244, 233, .9) 58%);
  border: 1px solid var(--c-gold-line);
}

.page-contact .close-band .h2 {
  margin: 0;
  color: var(--brown);
}

.page-contact .close-band p {
  margin: 0;
  max-width: 44rem;
  color: var(--ink);
  line-height: 1.8;
}

.page-contact .close-band .cluster {
  gap: 12px;
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 480px) {
  .page-contact .copy-chip {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-contact .channel-card-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .prep-item,
  .page-contact .topic-card,
  .page-contact .flow-step,
  .page-contact .flow-dot,
  .page-contact .copy-chip {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .topic-card:hover,
  .page-contact .flow-step:hover,
  .page-contact .copy-chip:hover {
    transform: none;
  }
}