.page-contact {
  --pc-pad: clamp(16px, 4vw, 32px);
  --pc-radius: var(--radius);
  background: var(--deep);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact a {
  text-decoration: none;
}

.page-contact .pc-shell {
  width: 100%;
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 0 var(--pc-pad);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: clamp(96px, 15vw, 136px) 0 0;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

.page-contact .breadcrumb-list li::after {
  content: "/";
  margin-left: 8px;
  color: var(--line);
}

.page-contact .breadcrumb-list li:last-child::after {
  content: none;
}

.page-contact .breadcrumb-link {
  color: var(--text-dim);
  transition: color 0.18s var(--ease);
}

.page-contact .breadcrumb-link:hover {
  color: var(--signal);
}

.page-contact .breadcrumb-current {
  color: var(--cyan);
}

.page-contact .pc-hero__eyebrow {
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-mist);
}

.page-contact .pc-hero__title {
  margin: 0 0 20px;
  max-width: 15ch;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 6.6vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.98rem, 2.2vw, 1.1rem);
  color: var(--text-dim);
}

/* ---------- 顶部图带 ---------- */
.page-contact .pc-banner {
  width: 100%;
  max-width: var(--shell-w-wide);
  margin: clamp(28px, 5vw, 44px) auto 0;
  padding: 0 var(--pc-pad);
}

.page-contact .pc-banner__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel);
}

.page-contact .pc-banner__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(36, 52, 92, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 52, 92, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.4;
}

.page-contact .pc-banner__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.82);
}

/* ---------- 分栏 ---------- */
.page-contact .pc-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: clamp(44px, 7vw, 72px) 0 0;
}

/* ---------- 联系卡 ---------- */
.page-contact .pc-card {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel);
  box-shadow: 0 18px 40px -32px rgba(0, 0, 0, 0.9);
}

.page-contact .pc-card__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .pc-card__note {
  margin: 0 0 22px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.page-contact .pc-card__list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-card__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.page-contact .pc-card__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-card__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--raise);
  color: var(--cyan);
}

.page-contact .pc-card__icon svg {
  width: 17px;
  height: 17px;
}

.page-contact .pc-card__body {
  min-width: 0;
}

.page-contact .pc-card__label {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.page-contact .pc-card__value {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.page-contact .pc-card__value--mono {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  color: var(--signal);
}

.page-contact .pc-card__value--cyan {
  font-family: var(--font-mono);
  font-size: 0.96rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .pc-card__desc {
  display: block;
  margin-top: 7px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-mute);
}

.page-contact .pc-card__meta {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

/* ---------- 小节标题组 ---------- */
.page-contact .pc-head {
  margin-bottom: 26px;
}

.page-contact .pc-head__eyebrow {
  margin: 0 0 10px;
  padding-left: 10px;
  border-left: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-mist);
}

.page-contact .pc-head__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1.14;
  color: var(--text);
}

.page-contact .pc-head__note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.93rem;
  color: var(--text-dim);
}

/* ---------- 流程步骤 ---------- */
.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-step {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding-bottom: 30px;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .pc-step:last-child {
  padding-bottom: 0;
}

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

.page-contact .pc-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-contact .pc-step__body {
  min-width: 0;
  padding-top: 8px;
}

.page-contact .pc-step__title {
  margin: 0 0 7px;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .pc-step__text {
  margin: 0 0 12px;
  font-size: 0.91rem;
  color: var(--text-dim);
}

.page-contact .pc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-tag {
  padding: 3px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.page-contact .pc-tag--signal {
  border-color: rgba(255, 106, 26, 0.5);
  color: var(--signal-soft);
}

.page-contact .pc-tag--cyan {
  border-color: rgba(47, 227, 210, 0.42);
  color: var(--cyan-mist);
}

/* ---------- 必带信息 ---------- */
.page-contact .pc-need {
  margin-top: 34px;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--signal);
  border-radius: var(--pc-radius);
  background: linear-gradient(135deg, var(--raise) 0%, var(--panel) 72%);
}

.page-contact .pc-need__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .pc-need__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-need__key {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .pc-need__desc {
  display: block;
  font-size: 0.84rem;
  line-height: 1.68;
  color: var(--text-dim);
}

/* ---------- 分流 ---------- */
.page-contact .pc-routing {
  margin-top: 40px;
}

.page-contact .pc-routing__title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .pc-routing__grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-routing__item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .pc-routing__item:hover {
  border-color: rgba(255, 106, 26, 0.55);
  background: var(--raise);
}

.page-contact .pc-routing__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-soft);
}

.page-contact .pc-routing__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .pc-routing__note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(47, 227, 210, 0.05);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ---------- 常见反馈 ---------- */
.page-contact .pc-cases {
  padding: clamp(48px, 8vw, 80px) 0 0;
}

.page-contact .pc-cases__grid {
  display: grid;
  gap: 14px;
}

.page-contact .pc-case {
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background: var(--panel);
  transition: border-color 0.18s var(--ease);
}

.page-contact .pc-case:hover {
  border-color: var(--signal);
}

.page-contact .pc-case[open] {
  border-color: rgba(255, 106, 26, 0.6);
}

.page-contact .pc-case__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-contact .pc-case__head::-webkit-details-marker {
  display: none;
}

.page-contact .pc-case__head::after {
  content: "";
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.page-contact .pc-case[open] .pc-case__head::after {
  transform: rotate(-135deg);
}

.page-contact .pc-case__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}

.page-contact .pc-case__title {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text);
}

.page-contact .pc-case__body {
  padding: 0 18px 18px;
}

.page-contact .pc-case__body p {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 合作 ---------- */
.page-contact .pc-partner {
  margin-top: clamp(48px, 8vw, 80px);
  padding: clamp(26px, 5vw, 42px);
  border: 1px solid var(--line);
  border-radius: var(--pc-radius);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(255, 106, 26, 0.12), transparent 58%),
    radial-gradient(100% 120% at 100% 100%, rgba(47, 227, 210, 0.09), transparent 60%),
    var(--panel);
}

.page-contact .pc-partner__title {
  margin: 0 0 16px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.2vw, 1.95rem);
  line-height: 1.16;
  color: var(--text);
}

.page-contact .pc-partner__text {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 0.93rem;
  color: var(--text-dim);
}

.page-contact .pc-partner__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .pc-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--text-dim);
  background: transparent;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-contact .pc-btn:hover {
  border-color: var(--cyan);
  color: var(--text);
}

.page-contact .pc-btn--accent {
  border-color: var(--signal);
  background: var(--signal);
  color: var(--deep);
}

.page-contact .pc-btn--accent:hover {
  border-color: var(--signal-soft);
  background: var(--signal-soft);
  color: var(--deep);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-tail {
  position: relative;
  margin-top: clamp(52px, 9vw, 92px);
  padding: clamp(52px, 9vw, 96px) 0;
  border-top: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.page-contact .pc-tail__media {
  position: absolute;
  inset: 0;
  opacity: 0.2;
}

.page-contact .pc-tail__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .pc-tail__inner {
  position: relative;
  max-width: var(--shell-w-narrow);
  margin: 0 auto;
  padding: 0 var(--pc-pad);
  text-align: center;
}

.page-contact .pc-tail__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-tail__title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  line-height: 1.14;
  color: var(--text);
}

.page-contact .pc-tail__text {
  margin: 0 auto 26px;
  max-width: 54ch;
  font-size: 0.93rem;
  color: var(--text-dim);
}

.page-contact .pc-tail__mail {
  display: inline-block;
  padding: 10px 22px;
  border: 1px solid rgba(255, 106, 26, 0.5);
  border-radius: 999px;
  background: rgba(255, 106, 26, 0.1);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--signal-soft);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .pc-need__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

@media (min-width: 860px) {
  .page-contact .pc-cases__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .pc-card {
    position: sticky;
    top: 108px;
  }

  .page-contact .pc-need {
    padding: 26px 24px;
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-split {
    gap: 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
  }
}