.page-contact {
  --pc-grid-line: rgba(36, 224, 214, .05);
  background: var(--navy-900);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 4vw, 40px) 0 clamp(46px, 7vw, 86px);
  background: var(--navy-900);
}

.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  opacity: .34;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(115% 95% at 6% 18%, rgba(6, 24, 43, .97) 0%, rgba(6, 24, 43, .86) 46%, rgba(6, 24, 43, .42) 100%),
    linear-gradient(180deg, rgba(6, 24, 43, .92) 0%, rgba(6, 24, 43, .58) 62%, var(--navy-900) 100%);
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  position: relative;
}

.page-contact .pc-hero .s3-crumb,
.page-contact .pc-hero .s3-breadcrumb__sep {
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-contact .pc-hero .s3-crumb:hover {
  color: var(--cyan-400);
}

.page-contact .pc-hero .s3-crumb[aria-current="page"] {
  color: var(--orange-300);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  margin-top: clamp(28px, 4vw, 52px);
}

.page-contact .pc-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 66px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
  max-width: 15em;
}

.page-contact .pc-hero__intro {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 42em;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: rgba(245, 248, 251, .82);
}

.page-contact .pc-mail {
  display: block;
  margin-top: clamp(24px, 3.2vw, 38px);
  padding: clamp(16px, 2.4vw, 26px) clamp(16px, 2.6vw, 30px);
  background: var(--glass);
  border: 1px solid var(--line-cyan);
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
}

.page-contact .pc-mail:hover,
.page-contact .pc-mail:focus-visible {
  background: rgba(18, 63, 102, .72);
  border-color: var(--orange-300);
  transform: translateY(-2px);
}

.page-contact .pc-mail__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-contact .pc-mail__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(16px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--mist);
  overflow-wrap: anywhere;
  transition: color .22s var(--ease);
}

.page-contact .pc-mail:hover .pc-mail__value,
.page-contact .pc-mail:focus-visible .pc-mail__value {
  color: var(--orange-300);
}

.page-contact .pc-hero__cards {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .pc-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
}

.page-contact .pc-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .pc-card__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact .pc-card a.pc-card__value:hover {
  color: var(--orange-300);
}

.page-contact .pc-card__value--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .01em;
}

.page-contact .pc-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 分区骨架 ---------- */
.page-contact .pc-section {
  padding: clamp(44px, 6vw, 88px) 0;
}

.page-contact .pc-section--band {
  background-color: var(--navy-700);
  background-image:
    linear-gradient(var(--pc-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-contact .s3-section-head {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-contact .s3-section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-contact .pc-lead {
  margin: 0;
  max-width: 46em;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: rgba(245, 248, 251, .8);
}

.page-contact .pc-split {
  gap: clamp(28px, 4vw, 60px);
}

/* ---------- 反馈清单 ---------- */
.page-contact .pc-checklist {
  counter-reset: pc-item;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-checklist li {
  counter-increment: pc-item;
  position: relative;
  margin: 0;
  padding: 15px 18px 15px calc(18px + 40px);
  background: rgba(11, 42, 71, .62);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 248, 251, .86);
}

.page-contact .pc-checklist li::before {
  content: "0" counter(pc-item);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-500);
}

.page-contact .pc-checklist strong {
  color: var(--cyan-400);
  font-weight: 600;
}

.page-contact .pc-aside {
  align-self: start;
  padding: clamp(20px, 3vw, 30px);
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .pc-aside h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-contact .pc-aside p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 248, 251, .78);
}

.page-contact .pc-aside__foot {
  padding-top: 14px;
  border-top: 1px dashed rgba(143, 163, 184, .2);
  font-size: 13.5px;
  color: var(--steel);
  overflow-wrap: anywhere;
}

.page-contact .pc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 合作共建 ---------- */
.page-contact .pc-coprod {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

.page-contact .pc-coprod__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-coprod__item .s3-data {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1;
  color: var(--orange-500);
}

.page-contact .pc-coprod__item p {
  margin: 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(245, 248, 251, .82);
}

.page-contact .pc-coprod__foot {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 60em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--steel);
  overflow-wrap: anywhere;
}

.page-contact .pc-coprod__foot a,
.page-contact .pc-response__foot a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .pc-coprod__foot a:hover,
.page-contact .pc-response__foot a:hover {
  color: var(--orange-300);
  border-bottom-color: var(--orange-300);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .pc-visit {
  align-items: start;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .pc-visit__media {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--line-cyan);
}

.page-contact .pc-visit__media .s3-media__cap {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-contact .pc-visit__body h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-contact .pc-visit__body p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 248, 251, .82);
}

.page-contact .pc-facts {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-facts > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(143, 163, 184, .18);
}

.page-contact .pc-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--steel);
}

.page-contact .pc-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

/* ---------- 响应节奏 ---------- */
.page-contact .pc-response {
  max-width: 880px;
  padding-left: clamp(16px, 3vw, 34px);
  border-left: 3px solid var(--cyan-400);
}

.page-contact .pc-response h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-contact .pc-response > p {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 248, 251, .82);
}

.page-contact .pc-response__list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-response__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(245, 248, 251, .84);
}

.page-contact .pc-response__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 6px;
  background: var(--orange-500);
  transform: rotate(45deg);
}

.page-contact .pc-response__list strong {
  display: inline-block;
  margin-right: 8px;
  color: var(--cyan-400);
  font-weight: 600;
}

.page-contact .pc-response__foot {
  margin-top: clamp(18px, 2.6vw, 26px);
  padding-top: 16px;
  border-top: 1px dashed rgba(143, 163, 184, .2);
  font-size: 14px;
  line-height: 1.8;
  color: var(--steel);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-coprod__item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
  }

  .page-contact .pc-facts > div {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-contact .pc-hero__cards {
    margin-top: clamp(12px, 2vw, 28px);
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-coprod__item {
    grid-template-columns: 160px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-mail,
  .page-contact .pc-mail__value {
    transition: none;
  }

  .page-contact .pc-mail:hover,
  .page-contact .pc-mail:focus-visible {
    transform: none;
  }
}