.page-contact {
  --contact-radius: var(--r-md);
  --contact-gap: clamp(20px, 4vw, 40px);
  --pc-hairline: 1px solid var(--line);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(10px, 2vw, 20px);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  align-items: start;
}

.page-contact .hero-eyebrow {
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-contact .hero-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .hero-title-mark {
  color: var(--cyan);
  background: linear-gradient(transparent 72%, rgba(50, 230, 226, 0.22) 72%);
  padding: 0 2px;
}

.page-contact .hero-lede {
  max-width: 46ch;
  margin: 0 0 22px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

.page-contact .hero-facts li {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 渠道卡 ---------- */
.page-contact .hero-card {
  position: relative;
  padding: 0;
  overflow: hidden;
  border-radius: var(--contact-radius);
  box-shadow: var(--shadow);
}

.page-contact .hero-card-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.65);
}

.page-contact .hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(7, 17, 31, 0.45), rgba(7, 17, 31, 0.95));
  pointer-events: none;
}

.page-contact .hero-card-body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 32px);
}

.page-contact .hero-card-body .panel-kicker {
  margin: 0 0 18px;
}

.page-contact .channel-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-contact .channel-value {
  margin: 4px 0 16px;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel-value--phone {
  font-size: clamp(1.7rem, 6.5vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .channel-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(244, 247, 250, 0.3);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .channel-link:hover {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.page-contact .channel-value--phone .channel-link {
  border-bottom-width: 2px;
}

.page-contact .channel-value--phone .channel-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .channel-note {
  margin: 0;
  padding-top: 14px;
  border-top: var(--pc-hairline);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 迁移反馈 ---------- */
.page-contact .section-migrate {
  border-top: var(--pc-hairline);
}

.page-contact .migrate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 36px);
  align-items: start;
}

.page-contact .migrate-figure {
  margin: 0;
  border-radius: var(--contact-radius);
  overflow: hidden;
  border: var(--pc-hairline);
}

.page-contact .migrate-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-contact .migrate-item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 2px 12px;
  padding: 14px 0;
  border-top: var(--pc-hairline);
}

.page-contact .migrate-item:last-child {
  border-bottom: var(--pc-hairline);
}

.page-contact .migrate-num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--orange);
}

.page-contact .migrate-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .migrate-text {
  margin: 4px 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .migrate-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 226, 0.45);
}

.page-contact .inline-link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 合作 ---------- */
.page-contact .section-coop {
  background: linear-gradient(180deg, rgba(11, 27, 46, 0.7), rgba(7, 17, 31, 0));
  border-top: var(--pc-hairline);
}

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

.page-contact .coop-card {
  position: relative;
  padding: clamp(18px, 3.5vw, 26px);
  background: linear-gradient(180deg, rgba(18, 42, 66, 0.92), rgba(11, 27, 46, 0.92));
  border: var(--pc-hairline);
  border-top: 2px solid var(--orange);
  border-radius: var(--contact-radius);
}

.page-contact .coop-tag {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.page-contact .coop-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.28rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .coop-text {
  margin: 0 0 16px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .coop-need {
  margin: 0;
  padding-top: 12px;
  border-top: var(--pc-hairline);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 准备清单 ---------- */
.page-contact .section-prep {
  border-top: var(--pc-hairline);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-item {
  position: relative;
  padding: 18px 18px 18px 56px;
  background: rgba(11, 27, 46, 0.72);
  border: var(--pc-hairline);
  border-radius: var(--contact-radius);
}

.page-contact .prep-num {
  position: absolute;
  left: 16px;
  top: 16px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
  background: rgba(50, 230, 226, 0.12);
  border: 1px solid rgba(50, 230, 226, 0.4);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
}

.page-contact .prep-title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .prep-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 地址与备案 ---------- */
.page-contact .address-band {
  margin-top: clamp(32px, 6vw, 64px);
  padding: clamp(28px, 5vw, 52px) 0 clamp(32px, 5vw, 56px);
  background: linear-gradient(180deg, rgba(18, 42, 66, 0.85), rgba(11, 27, 46, 0.98));
  border-top: 2px solid var(--lime);
  border-bottom: var(--pc-hairline);
}

.page-contact .address-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-contact .address-eyebrow {
  margin: 0 0 12px;
  color: var(--gray);
}

.page-contact .address-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .address-lines {
  display: block;
  margin: 0 0 14px;
  padding-left: 14px;
  border-left: 2px solid var(--lime);
  font-style: normal;
  font-size: clamp(1.05rem, 3vw, 1.3rem);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .address-note {
  max-width: 48ch;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .address-side {
  padding-top: 4px;
}

.page-contact .address-key {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.page-contact .address-value {
  margin: 0 0 20px;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .address-details {
  margin-bottom: 22px;
  padding: 12px 16px;
  background: rgba(7, 17, 31, 0.55);
  border: var(--pc-hairline);
  border-radius: var(--contact-radius);
}

.page-contact .address-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.page-contact .address-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .address-details summary::before {
  content: "+";
  font-size: 1rem;
  line-height: 1;
  color: var(--orange);
}

.page-contact .address-details[open] summary::before {
  content: "−";
}

.page-contact .address-details-body p {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .quick-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: var(--pc-hairline);
  border-radius: var(--r-pill);
  font-size: 0.85rem;
  color: var(--text-soft);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .quick-link:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .coop-card:nth-child(3) {
    grid-column: span 2;
  }
}

@media (min-width: 980px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .hero-card {
    margin-top: 6px;
  }

  .page-contact .migrate-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 48px);
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coop-card:nth-child(3) {
    grid-column: auto;
  }

  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .prep-item:nth-child(4) {
    padding-left: 56px;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1080px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-contact .prep-item {
    padding: 52px 18px 18px;
  }

  .page-contact .prep-num {
    top: 16px;
  }
}
<<<PAGE_CSS_END>>>