.page-contact {
  --c-gap: 18px;
  --c-pad: 22px;
  padding-top: calc(var(--header-top) + var(--header-h) + 26px);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact [id] {
  scroll-margin-top: calc(var(--header-top) + var(--header-h) + 24px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-bottom: calc(var(--c-gap) * 2.4);
  border-bottom: 1px solid var(--line);
}

.page-contact .hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .26;
  filter: saturate(.55) contrast(1.05);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(90% 70% at 84% 4%, rgba(53, 214, 176, .16), transparent 62%),
    radial-gradient(70% 60% at 6% 96%, rgba(255, 122, 47, .14), transparent 66%),
    linear-gradient(180deg, rgba(6, 22, 31, .74) 0%, rgba(11, 36, 49, .94) 56%, var(--ink) 100%);
}

.page-contact .hero-inner {
  position: relative;
}

.page-contact .p-crumbs {
  margin-bottom: 28px;
}

.page-contact .p-crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .p-crumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .p-crumbs-link {
  color: var(--muted);
  text-decoration: none;
  transition: color .18s ease;
}

.page-contact .p-crumbs-link:hover,
.page-contact .p-crumbs-link:focus-visible {
  color: var(--orange-soft);
}

.page-contact .p-crumbs-sep {
  color: var(--line);
}

.page-contact .p-crumbs-current {
  color: var(--text);
}

.page-contact .hero-eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .hero-title {
  margin: 0 0 22px;
  font-size: var(--fs-64);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-contact .hero-lede {
  max-width: 33em;
  margin: 0 0 30px;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .jump-tags {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-contact .jump-tag {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(18, 50, 67, .62);
  color: var(--text);
  font-size: var(--fs-13);
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.page-contact .jump-tag:hover {
  border-color: var(--orange);
  color: var(--orange-soft);
  background: rgba(255, 122, 47, .1);
}

.page-contact .jump-tag:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 章节标题块 ---------- */
.page-contact .blk-head {
  margin-bottom: 28px;
}

.page-contact .blk-index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .blk-title {
  margin: 0 0 14px;
  font-size: var(--fs-44);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .blk-lede {
  max-width: 40em;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .inline-link {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 178, 122, .4);
  transition: color .18s ease, border-color .18s ease;
}

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

.page-contact .inline-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* ---------- 通道带 ---------- */
.page-contact .channels {
  padding: calc(var(--c-gap) * 2.4) 0 calc(var(--c-gap) * 2);
}

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

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--c-pad);
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(18, 50, 67, .9), rgba(11, 36, 49, .84));
  animation: pc-rise .5s ease both;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.page-contact .channel-card:nth-child(2) { animation-delay: .08s; }
.page-contact .channel-card:nth-child(3) { animation-delay: .16s; }

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 122, 47, .5);
  box-shadow: 0 20px 42px -24px rgba(0, 0, 0, .95);
}

.page-contact .channel-card:focus-within {
  border-color: var(--orange);
}

.page-contact .channel-card--phone {
  border-color: rgba(255, 122, 47, .62);
  background: linear-gradient(160deg, rgba(255, 122, 47, .17), rgba(18, 50, 67, .92) 44%, rgba(11, 36, 49, .9));
}

.page-contact .channel-card--phone::before {
  content: "";
  position: absolute;
  left: var(--c-pad);
  right: var(--c-pad);
  top: 0;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--orange), var(--orange-soft));
}

.page-contact .channel-flag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: #1a0c02;
  font-size: var(--fs-13);
  font-weight: 700;
  letter-spacing: .02em;
}

.page-contact .channel-name {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.38;
  letter-spacing: .02em;
  color: var(--text);
}

.page-contact .channel-card--phone .channel-value {
  color: var(--orange-soft);
}

.page-contact .channel-value--mail {
  overflow-wrap: anywhere;
  font-size: clamp(16px, 2.1vw, 20px);
}

.page-contact .channel-value--addr {
  font-size: var(--fs-17);
  color: var(--muted);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .channel-fits {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid rgba(30, 70, 87, .85);
}

.page-contact .channel-fits li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-13);
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .channel-fits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .channel-card--phone .channel-fits li::before {
  background: var(--orange-soft);
}

/* ---------- 值班与先后 ---------- */
.page-contact .duty {
  padding: calc(var(--c-gap) * 2.6) 0;
  background: var(--deck);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .duty-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .duty-clock {
  margin-top: 26px;
  padding: 18px 20px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(6, 22, 31, .62);
}

.page-contact .duty-clock-label {
  margin: 0 0 8px;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .duty-clock-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-contact .duty-order {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .duty-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(30, 70, 87, .7);
}

.page-contact .duty-item:first-child {
  padding-top: 4px;
}

.page-contact .duty-item:last-child {
  border-bottom: none;
}

.page-contact .duty-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 122, 47, .45);
  background: rgba(255, 122, 47, .1);
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .04em;
  color: var(--orange);
}

.page-contact .duty-title {
  margin: 0 0 6px;
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .duty-text {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 反馈清单 ---------- */
.page-contact .feedback {
  padding: calc(var(--c-gap) * 2.6) 0;
}

.page-contact .feedback-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

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

.page-contact .check-item {
  position: relative;
}

.page-contact .check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .check-label {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(18, 50, 67, .5);
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease;
}

.page-contact .check-label:hover {
  border-color: rgba(255, 178, 122, .5);
  background: rgba(18, 50, 67, .72);
}

.page-contact .check-input:focus-visible + .check-label {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .check-input:checked + .check-label {
  border-color: rgba(255, 122, 47, .55);
  background: rgba(255, 122, 47, .09);
}

.page-contact .check-box {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(6, 22, 31, .72);
  transition: background .18s ease, border-color .18s ease;
}

.page-contact .check-box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 7px;
  height: 12px;
  border-right: 2px solid #06161f;
  border-bottom: 2px solid #06161f;
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform .16s ease;
}

.page-contact .check-input:checked + .check-label .check-box {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .check-input:checked + .check-label .check-box::after {
  transform: rotate(42deg) scale(1);
}

.page-contact .check-text {
  display: block;
}

.page-contact .check-text strong {
  display: block;
  margin-bottom: 4px;
  font-size: var(--fs-15);
  font-weight: 700;
  color: var(--text);
}

.page-contact .check-text span {
  display: block;
  font-size: var(--fs-13);
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .check-hint {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .feedback-figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .feedback-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-contact .feedback-figure figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 合作与引用 ---------- */
.page-contact .partner {
  padding: calc(var(--c-gap) * 2.4) 0;
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .partner-card {
  padding: 22px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 50, 67, .68), rgba(11, 36, 49, .46));
  transition: border-color .2s ease, transform .2s ease;
}

.page-contact .partner-card:hover {
  border-color: rgba(255, 122, 47, .45);
  transform: translateY(-3px);
}

.page-contact .partner-tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .16em;
  color: var(--orange-soft);
}

.page-contact .partner-title {
  margin: 0 0 10px;
  font-size: var(--fs-20);
  font-weight: 700;
}

.page-contact .partner-text {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .partner-prep {
  margin-top: 20px;
  padding: 20px 22px;
  border-radius: var(--r-card);
  border: 1px dashed rgba(30, 70, 87, 1);
  background: rgba(6, 22, 31, .5);
}

.page-contact .partner-prep-title {
  margin: 0 0 14px;
  font-size: var(--fs-17);
  font-weight: 700;
}

.page-contact .partner-prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .partner-prep-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .partner-prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--orange);
  transform: rotate(45deg);
}

/* ---------- 订阅 ---------- */
.page-contact .subscribe {
  padding: calc(var(--c-gap) * 2.6) 0;
  background: var(--deck);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .sub-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .sub-item {
  padding: 20px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: rgba(6, 22, 31, .55);
}

.page-contact .sub-q {
  margin: 0 0 8px;
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--text);
}

.page-contact .sub-a {
  margin: 0;
  font-size: var(--fs-15);
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 尾部链接 ---------- */
.page-contact .next-links {
  padding: calc(var(--c-gap) * 2.2) 0 calc(var(--c-gap) * 2.8);
}

.page-contact .next-title {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 700;
}

.page-contact .next-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .next-link {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: var(--fs-15);
  text-decoration: none;
  transition: border-color .18s ease, background .18s ease, color .18s ease;
}

.page-contact .next-link:hover {
  border-color: var(--orange);
  background: rgba(255, 122, 47, .1);
  color: var(--orange-soft);
}

.page-contact .next-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

@keyframes pc-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 820px) {
  .page-contact {
    --c-gap: 22px;
    --c-pad: 26px;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.16fr 1fr .86fr;
    align-items: start;
    gap: var(--c-gap);
  }

  .page-contact .channel-card--phone { min-height: 400px; }
  .page-contact .channel-card--mail  { min-height: 348px; }
  .page-contact .channel-card--addr  { min-height: 300px; }

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-contact .partner-prep-list {
    grid-template-columns: repeat(3, 1fr);
    display: grid;
  }

  .page-contact .sub-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 940px) {
  .page-contact .duty-layout {
    grid-template-columns: .86fr 1.14fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .feedback-layout {
    grid-template-columns: 1.12fr .88fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .feedback-figure {
    position: sticky;
    top: calc(var(--header-top) + var(--header-h) + 32px);
  }

  .page-contact .hero-lede {
    font-size: var(--fs-17);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card {
    animation: none;
  }

  .page-contact .channel-card,
  .page-contact .partner-card,
  .page-contact .check-label,
  .page-contact .check-box,
  .page-contact .check-box::after,
  .page-contact .jump-tag,
  .page-contact .next-link {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}
<<<END>>>