.page-contact {
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: 72px;
}

.page-contact .breadcrumbs {
  padding-block: 18px 4px;
}

/* ---------- 首屏框景 ---------- */
.page-contact .contact-hero {
  padding-block: 10px 26px;
}

.page-contact .hero-frame {
  position: relative;
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 10%, rgba(123, 92, 255, 0.20), transparent 62%),
    linear-gradient(158deg, var(--ink-deep) 0%, var(--ink) 74%);
  padding: 26px 18px 24px;
  overflow: hidden;
}

.page-contact .hero-frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 15px);
  opacity: 0.9;
  pointer-events: none;
}

.page-contact .hero-frame::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -70px;
  width: 180px;
  height: 180px;
  border: 1px dashed var(--line);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .hero-grid {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin: 0 0 10px;
  text-transform: uppercase;
}

.page-contact .hero-title {
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 14px;
  color: var(--text);
}

.page-contact .hero-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0 0 22px;
  max-width: 34em;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .hero-media {
  margin: 0;
  position: relative;
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 6;
  border: 1px solid var(--line);
}

.page-contact .hero-media__cap {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ---------- 页内索引 ---------- */
.page-contact .contact-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 0 22px;
  scrollbar-width: none;
  border-bottom: 1px solid var(--line);
  margin-bottom: 34px;
}

.page-contact .contact-index::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(20, 28, 54, 0.6);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .contact-index__link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--violet);
}

.page-contact .contact-index__link:hover,
.page-contact .contact-index__link:focus-visible,
.page-contact .contact-index__link[aria-current="true"] {
  color: var(--text);
  border-color: var(--cyan);
  outline: none;
}

.page-contact .contact-index__link[aria-current="true"] .mono {
  color: var(--cyan);
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding-block: 8px 46px;
}

.page-contact .section-head {
  max-width: 46em;
  margin-bottom: 26px;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 0 0 12px;
}

.page-contact .section-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

/* ---------- 联络卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  --shift: 0px;
  position: relative;
  padding: 24px 20px 26px;
  background: linear-gradient(168deg, var(--panel) 0%, var(--ink-deep) 100%);
  border: 1px solid var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transform: translateY(var(--shift));
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
  max-width: 100%;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(calc(var(--shift) - 6px));
  border-color: var(--cyan);
}

.page-contact .channel-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--violet);
  margin: 0 0 10px;
}

.page-contact .channel-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.page-contact .channel-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--gold);
  text-decoration: none;
  word-break: break-all;
  margin-bottom: 16px;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.24s var(--ease);
}

.page-contact a.channel-value:hover,
.page-contact a.channel-value:focus-visible {
  border-bottom-color: var(--gold);
  outline: none;
}

.page-contact .channel-value--addr {
  color: var(--text);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .channel-meta {
  margin: 0;
  display: grid;
  grid-template-columns: 3em 1fr;
  gap: 8px 10px;
  font-size: 13.5px;
  line-height: 1.7;
}

.page-contact .channel-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding-top: 3px;
}

.page-contact .channel-meta dd {
  margin: 0;
  color: var(--text);
  opacity: 0.86;
}

/* ---------- 数据勘误 ---------- */
.page-contact .feedback-grid {
  display: grid;
  gap: 24px;
}

.page-contact .feedback-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-contact .feedback-step {
  display: grid;
  grid-template-columns: 2.4em 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.page-contact .feedback-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .step-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .feedback-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
  opacity: 0.88;
}

.page-contact .feedback-template {
  background: var(--paper);
  color: #14181F;
  padding: 22px 20px 24px;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .template-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #5B4B2E;
  margin: 0 0 14px;
}

.page-contact .template-body {
  border-left: 2px solid var(--violet);
  padding-left: 14px;
  margin-bottom: 14px;
}

.page-contact .template-body p {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  word-break: break-word;
}

.page-contact .template-body p:last-child {
  margin-bottom: 0;
}

.page-contact .template-note {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: #3B3A33;
}

.page-contact .feedback-template .btn {
  color: var(--text);
}

/* ---------- 响应节奏时间轴 ---------- */
.page-contact .rhythm-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-contact .rhythm-node {
  position: relative;
  padding: 2px 0 24px 26px;
  border-left: 1px solid var(--line);
}

.page-contact .rhythm-node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .rhythm-dot {
  position: absolute;
  left: -4.5px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.16);
}

.page-contact .rhythm-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-contact .rhythm-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-contact .rhythm-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 14px;
}

.page-contact .partner-item {
  border-top: 1px solid var(--line);
  padding: 18px 0 6px;
}

.page-contact .partner-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text);
}

.page-contact .partner-title::before {
  content: "▸ ";
  color: var(--violet);
}

.page-contact .partner-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .partner-flow {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(20, 28, 54, 0.55);
}

.page-contact .partner-flow__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-contact .partner-flow__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.88;
}

/* ---------- 来函与到访 ---------- */
.page-contact .visit-grid {
  display: grid;
  gap: 24px;
  align-items: start;
}

.page-contact .visit-card {
  border: 1px solid var(--line);
  background: var(--ink-deep);
  padding: 22px 18px 24px;
}

.page-contact .visit-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin: 0 0 8px;
}

.page-contact .visit-addr {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  font-weight: 600;
}

.page-contact .map-frame {
  position: relative;
  height: 132px;
  border: 1px solid var(--line);
  background: linear-gradient(140deg, #0B1122 0%, #101A33 100%);
  overflow: hidden;
  margin-bottom: 20px;
}

.page-contact .map-lines {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(42, 51, 80, 0.85) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(42, 51, 80, 0.85) 0 1px, transparent 1px 22px);
}

.page-contact .map-frame::before {
  content: "";
  position: absolute;
  left: 18%;
  top: -20%;
  width: 1px;
  height: 150%;
  background: linear-gradient(180deg, transparent, var(--violet), transparent);
  transform: rotate(24deg);
}

.page-contact .map-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 58%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.55;
}

.page-contact .map-pin {
  position: absolute;
  left: 44%;
  top: 46%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(242, 184, 75, 0.18);
}

.page-contact .map-tag {
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

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

.page-contact .visit-list li {
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .visit-no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--violet);
  padding-top: 3px;
}

.page-contact .visit-media {
  margin: 0;
}

.page-contact .visit-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
}

.page-contact .visit-media__cap {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-outro {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  margin-top: 6px;
  border: 1px solid var(--line);
  background:
    radial-gradient(90% 130% at 0% 0%, rgba(123, 92, 255, 0.24), transparent 68%),
    var(--ink-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .contact-outro__title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 0 0 10px;
}

.page-contact .contact-outro__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 返回顶部 ---------- */
.page-contact .contact-totop {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  background: rgba(14, 20, 40, 0.92);
  color: var(--text);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), border-color 0.24s var(--ease), visibility 0.28s;
}

.page-contact .contact-totop[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-contact .contact-totop:hover,
.page-contact .contact-totop:focus-visible {
  border-color: var(--cyan);
  outline: none;
}

.page-contact .contact-totop__arrow {
  font-size: 14px;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .contact-totop__text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-contact .hero-frame {
    padding: 34px 28px 30px;
  }

  .page-contact .hero-title {
    font-size: 42px;
  }

  .page-contact .section-title {
    font-size: 30px;
  }

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

  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .contact-outro {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 32px 30px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
  }

  .page-contact .hero-title {
    font-size: 50px;
  }

  .page-contact .hero-lead {
    font-size: 17px;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
    padding-top: 12px;
  }

  .page-contact .channel-card:nth-child(1) {
    --shift: 0px;
  }

  .page-contact .channel-card:nth-child(2) {
    --shift: 20px;
  }

  .page-contact .channel-card:nth-child(3) {
    --shift: -12px;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .rhythm-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .rhythm-node {
    padding: 24px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-contact .rhythm-node:last-child {
    border-top-color: var(--line);
  }

  .page-contact .rhythm-dot {
    left: 0;
    top: -5px;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 34px;
  }

  .page-contact .visit-card {
    padding: 28px 26px 30px;
  }

  .page-contact .map-frame {
    height: 158px;
  }

  .page-contact .contact-totop {
    right: 26px;
    bottom: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .contact-totop,
  .page-contact .contact-index__link {
    transition: opacity 0.2s linear, border-color 0.2s linear;
  }

  .page-contact .channel-card,
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: translateY(var(--shift));
  }

  .page-contact .contact-totop {
    transform: none;
  }
}
<<<END>>>