.page-contact {
  --contact-card-pad: clamp(18px, 2.4vw, 26px);
  --contact-gap: clamp(14px, 2vw, 20px);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 92px);
}

.page-contact .block-head {
  max-width: 62ch;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-contact .block-head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 8px 0 10px;
}

.page-contact .block-head p {
  margin: 0;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding-block: clamp(18px, 3vw, 34px) clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 18ch;
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 48ch;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-mute);
}

.page-contact .hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.page-contact .hero-meta span::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--cyan);
  display: inline-block;
}

.page-contact .contact-hero-figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(7, 11, 28, 0.15), rgba(7, 11, 28, 0.75)),
    var(--ink-800);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
  mix-blend-mode: screen;
  opacity: 0.92;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(34px, 5vw, 60px);
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: 1fr;
}

.page-contact .channel-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--contact-card-pad);
  background: linear-gradient(180deg, rgba(16, 23, 54, 0.95), rgba(11, 18, 41, 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: relative;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-contact .channel-card .tag {
  align-self: flex-start;
}

.page-contact .channel-card h3 {
  margin: 2px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.01em;
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(15px, 3.4vw, 20px);
  line-height: 1.5;
  color: var(--gold-soft);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card-address .channel-value {
  color: var(--cyan);
  font-size: clamp(15px, 3.2vw, 18px);
}

.page-contact .channel-desc {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .channel-fit {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-mute);
}

.page-contact .channel-map {
  display: block;
  width: 100%;
  height: auto;
  max-height: 130px;
  margin-top: 6px;
  object-fit: cover;
  border-radius: var(--radius);
  opacity: 0.55;
}

/* ---------- 准备清单 ---------- */
.page-contact .contact-prep {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: 1fr;
  padding-block: clamp(30px, 4.6vw, 54px);
  border-top: 1px solid var(--line);
}

.page-contact .prep-aside {
  padding: var(--contact-card-pad);
  background: var(--teal-deep);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.page-contact .prep-aside h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin: 8px 0 12px;
}

.page-contact .prep-aside p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(16, 23, 54, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 160ms var(--ease);
}

.page-contact .prep-list li:hover {
  border-color: rgba(47, 227, 208, 0.55);
}

.page-contact .prep-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 12px;
  color: var(--cyan);
  background: var(--ink-900);
  flex: none;
}

.page-contact .prep-list h3 {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-contact .prep-list p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 问题分流 ---------- */
.page-contact .contact-router {
  padding-block: clamp(30px, 4.6vw, 54px);
  border-top: 1px solid var(--line);
}

.page-contact .router-grid {
  display: grid;
  gap: var(--contact-gap);
  grid-template-columns: 1fr;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: var(--contact-card-pad);
  text-decoration: none;
  color: inherit;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
  background: #121a3d;
}

.page-contact .route-card .tag {
  align-self: flex-start;
}

.page-contact .route-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-contact .route-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .route-arrow {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .route-arrow::after {
  content: "→";
  transition: transform 160ms var(--ease);
}

.page-contact .route-card:hover .route-arrow::after {
  transform: translateX(4px);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-reply {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
  grid-template-columns: 1fr;
  padding-block: clamp(30px, 4.6vw, 54px);
  border-top: 1px solid var(--line);
}

.page-contact .reply-head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 8px 0 12px;
}

.page-contact .reply-head p {
  margin: 0;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.8;
  max-width: 40ch;
}

.page-contact .reply-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .reply-list li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .reply-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .reply-mark {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  background: var(--green);
  border-radius: 1px;
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.12);
}

.page-contact .reply-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 16.5px;
  letter-spacing: -0.01em;
}

.page-contact .reply-list p {
  margin: 0;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 收束提示条 ---------- */
.page-contact .contact-strip {
  margin-top: clamp(26px, 4vw, 42px);
  padding: clamp(20px, 3vw, 32px);
  background: var(--teal-deep);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
}

.page-contact .contact-strip h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 24px);
  letter-spacing: -0.01em;
}

.page-contact .contact-strip p {
  margin: 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.8;
}

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

.page-contact .strip-actions .btn {
  text-decoration: none;
  white-space: nowrap;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-contact .prep-list li {
    padding: 18px 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-contact .contact-prep {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .prep-aside {
    position: sticky;
    top: 96px;
  }

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

@media (min-width: 1100px) {
  .page-contact .router-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .route-card {
    padding: 26px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .route-card,
  .page-contact .reply-mark,
  .page-contact .route-arrow::after {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within,
  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible {
    transform: none;
  }
}
<<<END>>>