.page-contact {
  --pc-line: rgba(201, 169, 106, 0.24);
  --pc-line-soft: rgba(169, 184, 172, 0.22);
  --pc-ink-line: rgba(16, 21, 18, 0.14);
  background: var(--ink-deep);
  color: var(--dew);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 clamp(48px, 7vw, 84px);
  background:
    radial-gradient(1100px 520px at 84% -10%, rgba(201, 169, 106, 0.13), transparent 68%),
    radial-gradient(720px 420px at 4% 98%, rgba(232, 183, 194, 0.10), transparent 72%),
    linear-gradient(165deg, var(--ink-deep) 0%, var(--moss) 100%);
}

.page-contact .pc-hero .crumbs {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .pc-hero__top {
  max-width: 46rem;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-contact .pc-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.9rem, 6.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: 0.03em;
  color: var(--dew);
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  color: var(--lichen);
  font-size: clamp(0.94rem, 1.5vw, 1.06rem);
  line-height: 1.9;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 36px);
}

/* ---------- 首屏联系卡 ---------- */
.page-contact .channel-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  box-shadow: 0 30px 70px -50px rgba(0, 0, 0, 0.95);
}

.page-contact .channel-card__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  pointer-events: none;
}

.page-contact .channel-card__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(150deg, rgba(28, 58, 44, 0.94) 0%, rgba(14, 31, 24, 0.9) 58%, rgba(58, 68, 64, 0.88) 100%);
}

.page-contact .channel-card__inner {
  position: relative;
  z-index: 2;
  padding: clamp(22px, 3.6vw, 40px);
}

.page-contact .hero-split {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .hero-contact__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .hero-contact__item:first-child {
  padding-top: 0;
}

.page-contact .hero-contact__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .hero-contact__item .label {
  margin: 0 0 8px;
  color: var(--gold);
}

.page-contact .hero-contact__value {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.04rem, 3.6vw, 1.5rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  color: var(--dew);
}

.page-contact .hero-contact__value--num {
  font-family: var(--font-mono);
  font-size: clamp(1.12rem, 4vw, 1.66rem);
  letter-spacing: 0.06em;
}

.page-contact .hero-prep {
  padding-top: 4px;
}

.page-contact .hero-prep__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.08rem, 2.6vw, 1.32rem);
  letter-spacing: 0.04em;
  color: var(--dew);
}

.page-contact .hero-prep__sub {
  margin: 0 0 14px;
  color: var(--lichen);
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .prep-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--pc-line-soft);
  cursor: pointer;
}

.page-contact .prep-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .prep-box {
  position: relative;
  flex: 0 0 auto;
  width: 17px;
  height: 17px;
  margin-top: 3px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: rgba(14, 31, 24, 0.5);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .prep-item input:checked + .prep-box {
  background: var(--petal);
  border-color: var(--petal);
}

.page-contact .prep-item input:checked + .prep-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 9px;
  border-right: 1.5px solid var(--ink-deep);
  border-bottom: 1.5px solid var(--ink-deep);
  transform: rotate(40deg);
}

.page-contact .prep-item input:focus-visible + .prep-box {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .prep-text {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--lichen);
  transition: color var(--dur) var(--ease);
}

.page-contact .prep-item input:checked ~ .prep-text {
  color: var(--dew);
}

.page-contact .prep-text strong {
  display: block;
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--dew);
  margin-bottom: 2px;
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .copy:hover,
.page-contact .copy:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-deep);
  outline: none;
}

.page-contact .copy__hint {
  display: none;
}

.page-contact .copy[data-copied="true"] .copy__text {
  display: none;
}

.page-contact .copy[data-copied="true"] .copy__hint {
  display: inline;
}

.page-contact .copy[data-copied="true"] {
  border-color: var(--petal);
  color: var(--petal);
  background: transparent;
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--dew);
  color: var(--ink);
}

.page-contact .pc-channels__head {
  max-width: 42rem;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-contact .pc-channels__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 4vw, 2.5rem);
  line-height: 1.25;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-contact .pc-channels__head p {
  margin: 14px 0 0;
  color: var(--slate);
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-contact .pc-channels .eyebrow,
.page-contact .pc-partner .eyebrow {
  color: var(--brown);
}

.page-contact .channel-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel-row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--pc-ink-line);
}

.page-contact .channel-row:last-child {
  border-bottom: 1px solid var(--pc-ink-line);
}

.page-contact .channel-row__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brown);
}

.page-contact .channel-row__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1rem, 2.8vw, 1.28rem);
  line-height: 1.5;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
  color: var(--ink);
}

.page-contact .channel-row__note {
  margin: 8px 0 0;
  max-width: 44rem;
  color: var(--slate);
  font-size: 0.88rem;
  line-height: 1.8;
}

.page-contact .channel-row .copy {
  justify-self: start;
  align-self: start;
  border-color: rgba(138, 106, 59, 0.4);
  color: var(--brown);
}

.page-contact .channel-row .copy:hover,
.page-contact .channel-row .copy:focus-visible {
  background: var(--brown);
  border-color: var(--brown);
  color: var(--dew);
}

.page-contact .channel-row .copy[data-copied="true"] {
  border-color: rgba(138, 106, 59, 0.4);
  color: var(--brown);
  background: transparent;
}

/* ---------- 响应节奏 ---------- */
.page-contact .pc-rhythm {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--slate);
  color: var(--dew);
}

.page-contact .pc-rhythm__head {
  max-width: 44rem;
}

.page-contact .pc-rhythm__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.55rem, 4vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: 0.03em;
  color: var(--dew);
}

.page-contact .pc-rhythm__head p {
  margin: 14px 0 0;
  color: var(--lichen);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-contact .rhythm-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(24px, 4vw, 38px);
  border: 1px solid var(--pc-line-soft);
  background: var(--pc-line-soft);
}

.page-contact .rhythm-cell {
  padding: clamp(20px, 3vw, 30px);
  background: var(--slate);
}

.page-contact .rhythm-cell__num {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.2rem, 3.2vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--dew);
}

.page-contact .rhythm-cell__label {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lichen);
}

.page-contact .rhythm-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 52rem;
  color: var(--lichen);
  font-size: 0.9rem;
  line-height: 1.9;
}

/* ---------- 合作 ---------- */
.page-contact .pc-partner {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--dew);
  color: var(--ink);
}

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

.page-contact .partner-intro h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.8vw, 2.3rem);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-contact .partner-intro p {
  margin: 14px 0 0;
  color: var(--slate);
  font-size: 0.94rem;
  line-height: 1.9;
}

.page-contact .partner-intro .btn {
  margin-top: 22px;
}

.page-contact .partner-detail {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--pc-ink-line);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(58, 68, 64, 0.05);
}

.page-contact .partner-detail__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brown);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: partner;
}

.page-contact .partner-list li {
  counter-increment: partner;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-ink-line);
}

.page-contact .partner-list li::before {
  content: counter(partner, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--brown);
  padding-top: 4px;
}

.page-contact .partner-list li span {
  color: var(--slate);
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ---------- 常见问题 ---------- */
.page-contact .pc-faq {
  padding: clamp(52px, 7vw, 92px) 0;
  background: var(--moss);
  color: var(--dew);
}

.page-contact .pc-faq__head {
  max-width: 42rem;
  margin-bottom: clamp(22px, 3.5vw, 34px);
}

.page-contact .pc-faq__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.8vw, 2.3rem);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--dew);
}

.page-contact .pc-faq .accordion {
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-faq .accordion__item {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-faq .accordion__trigger {
  width: 100%;
  padding: 18px 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(0.96rem, 2vw, 1.08rem);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--dew);
  text-align: left;
}

.page-contact .pc-faq .accordion__trigger:hover,
.page-contact .pc-faq .accordion__trigger:focus-visible {
  color: var(--gold);
  outline: none;
}

.page-contact .pc-faq .accordion__body {
  padding-bottom: 18px;
}

.page-contact .pc-faq .accordion__body p {
  margin: 0;
  max-width: 48rem;
  color: var(--lichen);
  font-size: 0.9rem;
  line-height: 1.95;
}

.page-contact .pc-faq .accordion__body a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-faq .accordion__body a:hover,
.page-contact .pc-faq .accordion__body a:focus-visible {
  color: var(--petal);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-closing {
  padding: clamp(52px, 7vw, 92px) 0 clamp(56px, 8vw, 100px);
  background: var(--ink-deep);
  color: var(--dew);
}

.page-contact .pc-closing__figure {
  margin: 0 0 clamp(26px, 4vw, 44px);
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
}

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

.page-contact .pc-closing__text {
  max-width: 44rem;
}

.page-contact .pc-closing__text h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.8vw, 2.3rem);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: var(--dew);
}

.page-contact .pc-closing__text p {
  margin: 14px 0 0;
  color: var(--lichen);
  font-size: 0.94rem;
  line-height: 1.9;
}

.page-contact .pc-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .rhythm-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .channel-row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: start;
    gap: 8px clamp(16px, 3vw, 32px);
  }

  .page-contact .channel-row__label {
    padding-top: 6px;
  }

  .page-contact .channel-row__main {
    grid-column: 2;
  }

  .page-contact .channel-row .copy {
    grid-column: 2;
    margin-top: 4px;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-row {
    grid-template-columns: 108px minmax(0, 1fr) auto;
    padding: 26px 0;
  }

  .page-contact .channel-row .copy {
    grid-column: 3;
    margin-top: 0;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.94fr);
    gap: clamp(32px, 4vw, 52px);
  }

  .page-contact .hero-prep {
    padding-left: clamp(22px, 3vw, 40px);
    border-left: 1px solid var(--pc-line-soft);
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .rhythm-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy,
  .page-contact .prep-box,
  .page-contact .prep-text {
    transition: none;
  }
}