.page-contact {
  --pc-gap: clamp(18px, 3vw, 30px);
  --pc-line: rgba(31, 109, 110, .22);
  --pc-card: #ffffff;
  --pc-body: #37595a;
  color: var(--ink);
  background: var(--cream);
}

.page-contact .breadcrumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  background:
    radial-gradient(110% 130% at 92% 4%, rgba(31, 109, 110, .18), transparent 62%),
    var(--cream);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-hero h1 {
  margin: .3em 0 .35em;
  font-size: clamp(2.1rem, 7vw, 4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-contact .pc-hero__intro {
  max-width: 56ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .pc-hero__meta {
  margin: 16px 0 0;
  font-size: .82rem;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-contact .pc-quick {
  min-width: 0;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(217, 229, 229, .16);
  border-radius: var(--r-lg);
  background: var(--deep);
  color: var(--cream);
  box-shadow: var(--shadow-2);
}

.page-contact .pc-quick__eyebrow {
  margin: 0 0 6px;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--accent-soft);
}

.page-contact .pc-quick__list {
  margin: 0;
}

.page-contact .pc-quick__row {
  padding: 14px 0;
  border-bottom: 1px solid rgba(217, 229, 229, .14);
}

.page-contact .pc-quick__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-quick__row dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: rgba(217, 229, 229, .72);
}

.page-contact .pc-quick__row dd {
  margin: 0;
  font-size: .96rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .pc-quick__row dd a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 216, 198, .4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-quick__row dd a:hover,
.page-contact .pc-quick__row dd a:focus-visible {
  color: #ffffff;
  border-color: #ffffff;
}

.page-contact .pc-quick__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(217, 229, 229, .22);
  font-size: .84rem;
  line-height: 1.7;
  color: rgba(217, 229, 229, .74);
}

@media (min-width: 920px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, .78fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: start;
  }
}

/* ---------- 合作方向 ---------- */

.page-contact .pc-dir__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-dir__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .pc-dir__media .media-frame__inner {
  aspect-ratio: 880 / 560;
}

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

.page-contact .pc-dir__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-dir-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 16px;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  background: var(--pc-card);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-dir-item:hover,
.page-contact .pc-dir-item:focus-within {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow-2);
}

.page-contact .pc-dir-item__no {
  grid-row: 1 / span 3;
  align-self: start;
  margin: 0;
  padding-top: 3px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent);
}

.page-contact .pc-dir-item__title {
  grid-column: 2;
  margin: 0;
  font-size: clamp(1.05rem, 2.2vw, 1.22rem);
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .pc-dir-item__text {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--pc-body);
}

.page-contact .pc-dir-item__fit {
  grid-column: 2;
  margin: 10px 0 0;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--muted);
  opacity: .6;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-dir-item:hover .pc-dir-item__fit,
.page-contact .pc-dir-item:focus-within .pc-dir-item__fit {
  opacity: 1;
  color: var(--mid);
}

@media (min-width: 920px) {
  .page-contact .pc-dir__layout {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: clamp(26px, 4vw, 48px);
    align-items: start;
  }
}

/* ---------- 联系渠道 ---------- */

.page-contact .pc-chan__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .pc-chan {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-lg);
  background: var(--pc-card);
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .pc-chan:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-contact .pc-chan__no {
  margin: 0;
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .pc-chan__title {
  margin: 0;
  font-size: clamp(1.08rem, 2.2vw, 1.24rem);
  font-weight: 800;
}

.page-contact .pc-chan__value {
  align-self: flex-start;
  max-width: 100%;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 1.9vw, 1rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 2px solid var(--accent-soft);
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-chan__value:hover,
.page-contact .pc-chan__value:focus-visible {
  color: var(--accent-hover);
  border-color: var(--accent);
}

.page-contact .pc-chan__value--plain {
  font-family: var(--font-sans);
  font-size: .96rem;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-chan__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.72;
  color: var(--pc-body);
}

@media (min-width: 860px) {
  .page-contact .pc-chan__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 合作流程 ---------- */

.page-contact .pc-flow__track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .pc-flow__node {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .pc-flow__dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-bottom: 12px;
  border-radius: var(--pill);
  background: var(--accent);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  line-height: 1;
}

.page-contact .pc-step {
  height: 100%;
  padding: 0 16px;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  background: var(--pc-card);
  box-shadow: var(--shadow-1);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .pc-step:hover {
  border-color: rgba(232, 106, 51, .5);
}

.page-contact .pc-step__summary {
  position: relative;
  display: block;
  cursor: pointer;
  list-style: none;
  padding: 16px 30px 16px 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .pc-step__summary::-webkit-details-marker,
.page-contact .pc-faq__q::-webkit-details-marker {
  display: none;
}

.page-contact .pc-step__summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--accent);
}

.page-contact .pc-step[open] .pc-step__summary::after {
  content: "–";
}

.page-contact .pc-step__body {
  padding-bottom: 16px;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--pc-body);
}

.page-contact .pc-step__body p {
  margin: 0;
}

@media (min-width: 860px) {
  .page-contact .pc-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-flow__track::before {
    content: "";
    position: absolute;
    top: 18px;
    left: 14px;
    right: 14px;
    height: 0;
    border-top: 2px dashed rgba(31, 109, 110, .35);
    z-index: 0;
  }
}

/* ---------- 响应说明 ---------- */

.page-contact .pc-response__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-response h2 {
  margin: .3em 0 .5em;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 900;
  line-height: 1.2;
  color: #ffffff;
}

.page-contact .pc-response .eyebrow {
  color: var(--accent-soft);
}

.page-contact .pc-response__copy p {
  margin: 0 0 14px;
  font-size: .98rem;
  line-height: 1.8;
  color: rgba(247, 243, 234, .84);
}

.page-contact .pc-response__stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.page-contact .pc-response__stats li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 12px;
  border-top: 2px solid rgba(232, 106, 51, .6);
}

.page-contact .pc-response__num {
  font-size: clamp(.98rem, 2.2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.25;
  color: #ffffff;
}

.page-contact .pc-response__lbl {
  font-size: .78rem;
  letter-spacing: .04em;
  color: rgba(217, 229, 229, .78);
}

.page-contact .pc-response__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .pc-response__media .media-frame__inner {
  aspect-ratio: 820 / 500;
}

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

@media (min-width: 620px) {
  .page-contact .pc-response__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-contact .pc-response__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(26px, 4vw, 52px);
    align-items: center;
  }
}

/* ---------- 到访与沟通建议 ---------- */

.page-contact .pc-visit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-visit h2 {
  margin: .3em 0 .2em;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  font-weight: 900;
  line-height: 1.22;
}

.page-contact .pc-visit__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-visit__list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--r-md);
  background: var(--mist);
  font-size: .95rem;
  line-height: 1.66;
  color: var(--ink);
}

.page-contact .pc-visit__list .mono {
  flex: none;
  font-weight: 700;
  color: var(--mid);
}

.page-contact .pc-visit__note {
  margin: 20px 0 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .pc-visit__aside {
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--accent);
}

.page-contact .pc-visit__aside-title {
  margin: 0 0 8px;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--accent);
}

.page-contact .pc-visit__aside p:last-child {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--pc-body);
}

@media (min-width: 880px) {
  .page-contact .pc-visit__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: clamp(26px, 4vw, 52px);
    align-items: start;
  }
}

/* ---------- 常见合作问题 ---------- */

.page-contact .pc-faq__list {
  display: grid;
  gap: 12px;
}

.page-contact .pc-faq__item {
  padding: 0 clamp(16px, 2.5vw, 24px);
  border: 1px solid var(--pc-line);
  border-radius: var(--r-md);
  background: var(--pc-card);
  box-shadow: var(--shadow-1);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-faq__item:hover {
  border-color: rgba(232, 106, 51, .5);
}

.page-contact .pc-faq__q {
  position: relative;
  display: block;
  cursor: pointer;
  list-style: none;
  padding: clamp(16px, 2.4vw, 20px) 34px clamp(16px, 2.4vw, 20px) 0;
  font-size: clamp(1rem, 2.1vw, 1.08rem);
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .pc-faq__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--accent);
}

.page-contact .pc-faq__item[open] .pc-faq__q::after {
  content: "–";
}

.page-contact .pc-faq__item .disclosure__body {
  padding-bottom: 20px;
  font-size: .94rem;
  line-height: 1.78;
  color: var(--pc-body);
}

.page-contact .pc-faq__item .disclosure__body p {
  margin: 0;
}

/* ---------- 结尾行动 ---------- */

.page-contact .pc-cta__box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 32px);
  padding: clamp(24px, 4vw, 36px);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(232, 106, 51, .22), transparent 58%),
    linear-gradient(135deg, var(--deep) 0%, var(--deep-2) 100%);
  color: var(--cream);
  box-shadow: var(--shadow-2);
}

.page-contact .pc-cta__text {
  min-width: 0;
  flex: 1 1 260px;
}

.page-contact .pc-cta__text h2 {
  margin: 0 0 8px;
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  font-weight: 900;
  line-height: 1.28;
  color: #ffffff;
}

.page-contact .pc-cta__text p {
  margin: 0;
  max-width: 46ch;
  font-size: .94rem;
  line-height: 1.74;
  color: rgba(247, 243, 234, .82);
}

.page-contact .pc-cta__box .btn {
  flex: none;
}

/* ---------- 焦点与动效降级 ---------- */

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-dir-item,
  .page-contact .pc-chan,
  .page-contact .pc-step,
  .page-contact .pc-dir-item__fit {
    transition: none;
  }

  .page-contact .pc-dir-item:hover,
  .page-contact .pc-chan:hover {
    transform: none;
  }
}