.page-contact {
  overflow-x: clip;
}

.page-contact .section {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-contact .container {
  position: relative;
  z-index: 1;
}

/* ---------- 通用章节标题 ---------- */
.page-contact .section-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-contact .section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--c-deep);
}

.page-contact .section-sub {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-contact .figure {
  margin: 0;
}

.page-contact .figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--c-slate);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  background: linear-gradient(158deg, var(--c-deep) 0%, var(--c-deep-2) 58%, var(--c-ink) 100%);
  color: var(--c-paper);
  padding-block: clamp(20px, 4vw, 36px) clamp(42px, 6vw, 76px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, var(--line-dark) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to bottom, var(--line-dark) 0 1px, transparent 1px 24px);
  opacity: 0.5;
}

.page-contact .contact-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(247, 244, 238, 0.66);
}

.page-contact .contact-hero .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 10px;
  color: var(--c-orange);
}

.page-contact .contact-hero .breadcrumb-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-hero .breadcrumb-link:hover,
.page-contact .contact-hero .breadcrumb-link:focus-visible {
  border-bottom-color: var(--c-cyan);
}

.page-contact .hero-split {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .coord-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 6vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-contact .contact-hero .lede {
  margin: 16px 0 0;
  max-width: 46ch;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(15px, 2.6vw, 18px);
  line-height: 1.78;
  color: rgba(247, 244, 238, 0.86);
}

.page-contact .hotline-list {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-contact .hotline {
  padding: 12px 0 12px 14px;
  border-left: 3px solid var(--c-orange);
  background: linear-gradient(90deg, rgba(255, 106, 43, 0.12), rgba(255, 106, 43, 0) 72%);
}

.page-contact .hotline-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .hotline-value {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(21px, 5.8vw, 38px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .hotline-value--mail {
  font-size: clamp(15px, 4.2vw, 30px);
  word-break: break-all;
}

.page-contact .hotline-note {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.72);
}

.page-contact .contact-map-figure {
  position: relative;
}

.page-contact .contact-map-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  filter: saturate(0.9) contrast(1.04);
}

.page-contact .contact-map-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(to right, rgba(53, 224, 210, 0.16) 0 1px, transparent 1px 40px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-map-figure .figure-caption {
  color: rgba(247, 244, 238, 0.6);
}

/* ---------- 通道总览 ---------- */
.page-contact .contact-channels {
  background: var(--c-paper);
}

.page-contact .channel-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-contact .channel {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line-light);
  border-top: 3px solid var(--c-deep);
  background: rgba(255, 255, 255, 0.76);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 17px 100%, 0 calc(100% - 17px));
  transition: transform 220ms var(--ease), border-top-color 220ms var(--ease);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-top-color: var(--c-orange);
}

.page-contact .channel-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-contact .channel-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--c-deep);
}

.page-contact .channel-value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(13px, 1.5vw, 15px);
  line-height: 1.5;
  color: var(--c-ink);
  word-break: break-all;
}

.page-contact .channel-value--addr {
  word-break: normal;
  line-height: 1.65;
}

.page-contact .channel-text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-slate);
}

/* ---------- 事项分流 ---------- */
.page-contact .contact-matters {
  background: var(--c-warm);
}

.page-contact .matter-list {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .matter {
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--c-deep);
  background: rgba(247, 244, 238, 0.94);
  transition: border-left-color 200ms var(--ease);
}

.page-contact .matter[open] {
  border-left-color: var(--c-orange);
}

.page-contact .matter-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px clamp(14px, 2vw, 20px);
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(15.5px, 2.2vw, 19px);
  color: var(--c-deep);
}

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

.page-contact .matter-summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-slate);
  transition: color 200ms var(--ease);
}

.page-contact .matter[open] .matter-summary::after {
  content: "−";
  color: var(--c-orange);
}

.page-contact .matter-idx {
  flex: none;
  padding: 2px 7px;
  border: 1px solid var(--line-orange);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--c-orange);
}

.page-contact .matter-name {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .matter-tag {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--c-slate);
}

.page-contact .matter-body {
  padding: 0 clamp(14px, 2vw, 20px) clamp(16px, 2vw, 22px);
}

.page-contact .matter-body p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-slate);
}

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

.page-contact .matter-body a {
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
}

.page-contact .matter-body a:hover,
.page-contact .matter-body a:focus-visible {
  color: var(--c-ink);
  background: rgba(255, 106, 43, 0.16);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  background: var(--c-deep);
  color: var(--c-paper);
}

.page-contact .hours-grid {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
}

.page-contact .contact-hours .section-kicker {
  color: var(--c-cyan);
}

.page-contact .contact-hours .section-title {
  color: var(--c-paper);
}

.page-contact .contact-hours .section-sub {
  color: rgba(247, 244, 238, 0.78);
}

.page-contact .hours-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-contact .hours-list li {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .hours-k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--c-cyan);
}

.page-contact .hours-v {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.85);
}

/* ---------- 城市节点 ---------- */
.page-contact .contact-cities {
  background: var(--c-paper);
}

.page-contact .city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .city-node {
  position: relative;
  padding: 8px 14px;
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.72);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--c-deep);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-contact .city-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-orange);
  opacity: 0.28;
  transition: opacity 180ms var(--ease);
}

.page-contact .city-node:hover,
.page-contact .city-node:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-ink);
  outline: none;
}

.page-contact .city-node:hover::before,
.page-contact .city-node:focus-visible::before {
  opacity: 1;
}

.page-contact .node-tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 4;
  width: max-content;
  max-width: 230px;
  padding: 7px 10px;
  border-left: 2px solid var(--c-cyan);
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  line-height: 1.55;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 160ms;
}

.page-contact .city-node:focus-visible .node-tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 合作准备清单 ---------- */
.page-contact .contact-brief {
  background: var(--c-warm);
}

.page-contact .brief-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .brief-list {
  margin: clamp(18px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .brief-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line-light);
}

.page-contact .brief-list li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-contact .brief-num {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-orange);
}

.page-contact .brief-list h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--c-deep);
}

.page-contact .brief-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-slate);
}

.page-contact .brief-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-light);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

/* ---------- 到访与地图 ---------- */
.page-contact .contact-visit {
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-contact .visit-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-contact .contact-visit .section-kicker {
  color: var(--c-cyan);
}

.page-contact .contact-visit .section-title {
  color: var(--c-paper);
}

.page-contact .contact-visit .section-sub {
  color: rgba(247, 244, 238, 0.8);
}

.page-contact .visit-ways {
  display: grid;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .visit-way {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .visit-way-k {
  min-width: 46px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-contact .visit-way-v {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.9vw, 16px);
  color: var(--c-paper);
  word-break: break-all;
}

.page-contact .visit-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(247, 244, 238, 0.68);
}

.page-contact .visit-map {
  border: 1px solid var(--line-dark);
  background: linear-gradient(150deg, rgba(53, 224, 210, 0.07), rgba(255, 106, 43, 0.06));
  padding: clamp(10px, 1.6vw, 16px);
}

.page-contact .visit-map-svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.page-contact .visit-map-caption {
  color: rgba(247, 244, 238, 0.6);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
}

/* ---------- 邮件模板 ---------- */
.page-contact .contact-template {
  background: var(--c-paper);
}

.page-contact .template-grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-contact .template-hint {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-contact .template-hint a {
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-orange);
}

.page-contact .template-hint a:hover,
.page-contact .template-hint a:focus-visible {
  background: rgba(255, 106, 43, 0.16);
}

.page-contact .template-card {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--c-deep);
  color: var(--c-paper);
  border-top: 3px solid var(--c-orange);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-contact .template-card-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  word-break: break-all;
}

.page-contact .template-body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.7vw, 13.5px);
  line-height: 1.95;
  white-space: pre-wrap;
  word-break: break-word;
  color: rgba(247, 244, 238, 0.92);
}

.page-contact .template-card-note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.66);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hours-list li {
    grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.2fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

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

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: center;
  }

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

  .page-contact .city-node:hover .node-tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

@media (min-width: 980px) {
  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .contact-map-figure {
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .city-node,
  .page-contact .node-tip,
  .page-contact .matter,
  .page-contact .matter-summary::after {
    transition: none;
  }

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