.page-contact {
  --pc-hair: rgba(169, 184, 177, 0.22);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink) 62%, #061510 100%);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: 64px;
}

.page-contact .breadcrumb {
  padding: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 12px 0 44px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 360px;
  background-image:
    linear-gradient(to right, var(--pc-hair) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-hair) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 100%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 7vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 12px 0 16px;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-lines {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label copy"
    "value copy";
  align-items: center;
  gap: 4px 14px;
  padding: 13px 15px 13px 17px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
}

.page-contact .contact-line__label {
  grid-area: label;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-line__value {
  grid-area: value;
  font-family: var(--font-mono);
  font-size: clamp(0.88rem, 3.5vw, 1.22rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-line__value--phone {
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-contact .copy-btn {
  grid-area: copy;
  align-self: center;
  min-width: 62px;
  padding: 8px 11px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--lime);
  background: transparent;
  border: 1px dashed var(--warm);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--lime);
  border-style: solid;
  border-color: var(--lime);
  color: var(--ink);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .copy-btn[data-copied="true"] {
  background: var(--cyan);
  border-style: solid;
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .contact-hero__media {
  margin: 0;
  box-shadow: var(--shadow-lift);
}

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

/* ---------- 章节骨架 ---------- */
.page-contact .pc-section {
  padding: 44px 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-head {
  display: grid;
  grid-template-areas:
    "no title"
    "no note";
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  align-items: start;
  margin-bottom: 26px;
}

.page-contact .pc-head__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 8vw, 3.2rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--lime);
  opacity: 0.35;
}

.page-contact .pc-head__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.24rem, 4.4vw, 1.9rem);
  line-height: 1.22;
  color: var(--paper);
}

.page-contact .pc-head__note {
  grid-area: note;
  margin: 0;
  max-width: 46em;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 问题类型 ---------- */
.page-contact .pc-types {
  display: grid;
  gap: 16px;
}

.page-contact .pc-type {
  display: grid;
  gap: 11px;
  align-content: start;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
}

.page-contact .pc-type__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-type__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .pc-type__list {
  margin: 0;
  padding-left: 1.1em;
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .pc-type__list li::marker {
  color: var(--lime);
}

.page-contact .pc-type__route {
  margin: 0;
  padding-top: 11px;
  border-top: 1px dashed var(--edge);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-type__key {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--lime);
  border-radius: var(--radius);
}

/* ---------- 清单与流程 ---------- */
.page-contact .pc-split {
  display: grid;
  gap: 32px;
}

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

.page-contact .pc-checklist li {
  position: relative;
  counter-increment: pc-check;
  padding: 14px 16px 14px 52px;
  background: var(--ink);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
}

.page-contact .pc-checklist li::before {
  content: "0" counter(pc-check);
  position: absolute;
  left: 15px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-contact .pc-checklist strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .pc-checklist span {
  display: block;
  font-size: 0.85rem;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 2px 0 0 20px;
  border-left: 1px solid var(--edge);
  display: grid;
  gap: 22px;
}

.page-contact .pc-flow li {
  position: relative;
}

.page-contact .pc-flow li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(200, 255, 77, 0.12);
}

.page-contact .pc-flow__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--paper);
}

.page-contact .pc-flow__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 地址 ---------- */
.page-contact .pc-address {
  position: relative;
  display: grid;
  gap: 22px;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  box-shadow: 10px 10px 0 -1px var(--violet), var(--shadow-lift);
}

.page-contact .pc-address__label {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm);
  border: 1px solid var(--warm);
  border-radius: var(--radius);
}

.page-contact .pc-address__value {
  margin: 14px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 3.9vw, 1.45rem);
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .pc-address__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--mist);
}

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

/* ---------- 延伸链接 ---------- */
.page-contact .pc-next__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 4.2vw, 1.7rem);
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .pc-next__note {
  margin: 0 0 20px;
  max-width: 44em;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist);
}

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

.page-contact .pc-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  font-size: 0.9rem;
  color: var(--paper);
  text-decoration: none;
  background: var(--ink);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .pc-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-contact .pc-links a:hover {
  border-color: var(--cyan);
  color: var(--lime);
}

.page-contact .pc-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 20px 0 60px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 44px;
  }

  .page-contact .contact-lines {
    margin-top: 32px;
  }

  .page-contact .contact-hero__media {
    margin-top: 34px;
  }

  .page-contact .pc-section {
    padding: 58px 0;
  }

  .page-contact .pc-head {
    gap: 8px 26px;
    margin-bottom: 32px;
  }

  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-contact .pc-address {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 34px;
    padding: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .pc-links a {
    transition: none;
  }
}