.page-contact {
  --pc-panel: var(--ink-800);
  --pc-line: var(--edge);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-contact [id] {
  scroll-margin-top: 104px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ink-600);
}
.page-contact .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--orange);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(26px, 5vw, 58px) 0 clamp(30px, 5vw, 56px);
}
.page-contact .contact-hero__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 46px);
}
@media (min-width: 940px) {
  .page-contact .contact-hero__shell {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }
}
.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 8.6vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--white);
}
.page-contact .contact-hero__lede {
  max-width: 36ch;
  margin: 20px 0 0;
  color: var(--steel);
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.75;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .contact-hero__aside {
  border: 2px solid var(--pc-line);
  border-radius: var(--radius-card);
  background: var(--ink-800);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--shadow-hard);
}
.page-contact .aside-kicker {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--jade);
}
.page-contact .pulse-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--jade);
  animation: pc-pulse 2.4s ease-out infinite;
}
@keyframes pc-pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 214, 166, 0.5); }
  70% { box-shadow: 0 0 0 12px rgba(47, 214, 166, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 214, 166, 0); }
}
.page-contact .aside-time {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 26px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .aside-facts {
  margin: 18px 0 0;
  border-top: 1px solid var(--ink-600);
}
.page-contact .aside-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--ink-600);
}
.page-contact .aside-facts dt {
  font-size: 14px;
  color: var(--steel);
}
.page-contact .aside-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}

/* ---------- 页内导航 ---------- */
.page-contact .jump-bar {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 0 14px;
  scrollbar-width: none;
}
.page-contact .jump-bar::-webkit-scrollbar {
  display: none;
}
.page-contact .jump-link {
  flex: 0 0 auto;
  padding: 8px 15px;
  border: 1.5px solid var(--ink-600);
  border-radius: var(--radius-pill);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--steel);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.page-contact .jump-link:hover,
.page-contact .jump-link:focus-visible,
.page-contact .jump-link[data-active] {
  color: var(--ink-900);
  background: var(--white);
  border-color: var(--white);
}

/* ---------- 区块骨架 ---------- */
.page-contact .section {
  padding: clamp(36px, 6vw, 72px) 0;
}
.page-contact .section + .section {
  border-top: 1px solid var(--ink-600);
}
.page-contact .section-head {
  max-width: 62ch;
}
.page-contact .section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--white);
}
.page-contact .section-head p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--steel);
}
.page-contact h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.5vw, 25px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--white);
}
.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
  text-transform: uppercase;
}

/* ---------- 反馈入口 ---------- */
.page-contact .feedback-lab {
  margin-top: clamp(24px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
  border: 2px solid var(--pc-line);
  border-radius: var(--radius-card);
  background: var(--ink-800);
  padding: clamp(20px, 3.4vw, 36px);
  box-shadow: var(--shadow-card);
}
@media (min-width: 900px) {
  .page-contact .feedback-lab {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}
.page-contact .type-picker {
  display: grid;
  gap: 12px;
  align-content: start;
}
.page-contact .type-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .type-card {
  display: grid;
  gap: 7px;
  border: 2px solid var(--ink-600);
  border-radius: 12px;
  background: var(--ink-700);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.page-contact .type-card:hover {
  border-color: var(--steel);
  transform: translateX(4px);
}
.page-contact .type-card__name {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .type-card__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--steel);
}
.page-contact .type-picker input:focus-visible + .type-card {
  outline: 2px solid var(--orange-soft);
  outline-offset: 3px;
}
.page-contact .type-picker input:checked + .type-card {
  border-color: var(--orange);
  background: rgba(255, 106, 43, 0.13);
}
.page-contact .type-picker input:checked + .type-card .type-card__name {
  color: var(--orange-soft);
}

.page-contact .lab-side {
  border: 2px solid var(--ink-600);
  border-radius: 12px;
  background: var(--ink-900);
  padding: clamp(18px, 2.6vw, 26px);
  align-self: start;
}
.page-contact .lab-side p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}
.page-contact .lab-side__foot {
  padding-top: 14px;
  border-top: 1px solid var(--ink-600);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--steel);
}
.page-contact .lab-side__foot span {
  color: var(--jade);
  font-weight: 600;
  word-break: break-all;
}

/* ---------- 联系渠道 ---------- */
.page-contact .channels-grid {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 26px);
}
@media (min-width: 880px) {
  .page-contact .channels-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}
.page-contact .channels-visual {
  border: 2px solid var(--pc-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}
.page-contact .channels-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}
.page-contact .contact-list {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .contact-card {
  border: 2px solid var(--ink-600);
  border-left: 4px solid var(--orange);
  border-radius: 12px;
  background: var(--ink-800);
  padding: 16px 18px;
}
.page-contact .contact-card--jade {
  border-left-color: var(--jade);
}
.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}
.page-contact .contact-card__value {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  word-break: break-word;
}
.page-contact .contact-card__note {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--steel);
}

/* ---------- 反馈准备 ---------- */
.page-contact .prepare-grid {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
}
@media (min-width: 900px) {
  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }
}
.page-contact .prepare-visual {
  margin: 0;
  border: 2px solid var(--pc-line);
  border-radius: var(--radius-card);
  background: var(--ink-800);
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}
.page-contact .prepare-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}
.page-contact .prepare-visual figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--ink-600);
  font-size: 14px;
  line-height: 1.65;
  color: var(--steel);
}
.page-contact .prepare-steps {
  counter-reset: pc-prep;
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .prepare-steps li {
  position: relative;
  counter-increment: pc-prep;
  border: 2px solid var(--ink-600);
  border-radius: 12px;
  background: var(--ink-800);
  padding: 20px 20px 20px 68px;
}
.page-contact .prepare-steps li::before {
  content: counter(pc-prep, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}
.page-contact .prepare-steps p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 合作与建议 ---------- */
.page-contact .coop-grid {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 262px), 1fr));
}
.page-contact .coop-card {
  border: 2px solid var(--ink-600);
  border-top: 5px solid var(--jade-deep);
  border-radius: 12px;
  background: var(--ink-800);
  padding: 22px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-contact .coop-card--orange {
  border-top-color: var(--orange);
}
.page-contact .coop-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.page-contact .coop-tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}
.page-contact .coop-card p:last-child {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 到访与邮寄 ---------- */
.page-contact .visit-layout {
  margin-top: clamp(24px, 4vw, 38px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 26px);
}
@media (min-width: 880px) {
  .page-contact .visit-layout {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-contact .visit-card {
  border: 2px solid var(--pc-line);
  border-radius: var(--radius-card);
  background: var(--ink-800);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--shadow-hard);
}
.page-contact .visit-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}
.page-contact .visit-card__address {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.3vw, 21px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--white);
}
.page-contact .visit-meta {
  margin: 22px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ink-600);
}
.page-contact .visit-meta > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--ink-600);
}
.page-contact .visit-meta dt {
  font-size: 14px;
  color: var(--steel);
}
.page-contact .visit-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  word-break: break-word;
}
.page-contact .visit-notes {
  border: 2px solid var(--ink-600);
  border-radius: 12px;
  background: var(--ink-900);
  padding: clamp(20px, 3vw, 28px);
}
.page-contact .visit-notes ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .visit-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}
.page-contact .visit-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}
.page-contact .visit-notes__link {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ink-600);
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact a:not([class]) {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 155, 102, 0.45);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-contact a:not([class]):hover,
.page-contact a:not([class]):focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .footnote-links {
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--ink-600);
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pulse-dot {
    animation: none;
    box-shadow: 0 0 0 4px rgba(47, 214, 166, 0.18);
  }
  .page-contact .type-card,
  .page-contact .coop-card,
  .page-contact .jump-link {
    transition: none;
  }
  .page-contact .type-card:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}