.page-contact {
  --contact-pad: calc(var(--u) * 6);
  padding-bottom: calc(var(--u) * 10);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(110% 70% at 92% 2%, rgba(59, 227, 198, 0.16), transparent 60%),
    radial-gradient(80% 60% at 6% 96%, rgba(255, 122, 47, 0.14), transparent 62%),
    linear-gradient(152deg, var(--space-blue) 0%, var(--night-blue) 68%, var(--orbit) 100%);
  border-bottom: 1px solid var(--orbit);
}

.page-contact .contact-hero__inner {
  padding: calc(var(--u) * 7) 0 calc(var(--u) * 5);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: calc(var(--u) * 3);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-contact .breadcrumb a {
  color: var(--teal);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .eyebrow {
  color: var(--orange);
}

.page-contact .contact-hero h1 {
  max-width: 15em;
  margin: calc(var(--u) * 2) 0 calc(var(--u) * 2.5);
}

.page-contact .contact-hero .lede {
  max-width: 44em;
  color: var(--mist);
}

.page-contact .contact-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--u) * 2.5);
  margin: calc(var(--u) * 4) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: calc(var(--u) * 2);
  border-left: 2px solid var(--orbit);
}

.page-contact .contact-facts .num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-top: 1px solid var(--orbit);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

/* ---------- 通用小结构 ---------- */
.page-contact .sec-head {
  display: grid;
  gap: calc(var(--u) * 1.5);
  margin-bottom: calc(var(--u) * 4);
}

.page-contact .sec-head h2 {
  margin: 0;
}

.page-contact .sec-head .lede {
  max-width: 46em;
  color: var(--mist);
  opacity: 0.88;
}

.page-contact .caption a {
  color: var(--teal);
}

/* ---------- 联络节点图 ---------- */
.page-contact .contact-routes {
  display: grid;
  gap: calc(var(--u) * 5);
}

.page-contact .contact-routes__map {
  display: grid;
  gap: calc(var(--u) * 2);
  align-content: start;
  padding: calc(var(--u) * 2);
  border: 1px solid var(--orbit);
  border-radius: var(--r-a);
  background:
    radial-gradient(80% 60% at 90% 10%, rgba(30, 47, 99, 0.85), transparent 72%),
    var(--space-blue);
}

.page-contact .node-map {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.page-contact .node-map__link {
  fill: none;
  stroke: url(#contactTrail);
  stroke-width: 1.6;
  stroke-dasharray: 6 7;
  opacity: 0.8;
}

.page-contact .node-map__hub {
  fill: var(--space-blue);
  stroke: var(--teal);
  stroke-width: 3;
}

.page-contact .node-map__dot {
  stroke: var(--space-blue);
  stroke-width: 3;
}

.page-contact .node-map__dot--teal {
  fill: var(--teal);
}

.page-contact .node-map__dot--orange {
  fill: var(--orange);
}

.page-contact .node-map__dot--brick {
  fill: var(--brick);
}

.page-contact .node-map__text {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  fill: var(--mist);
}

.page-contact .node-map__text--small {
  font-size: 12px;
  font-weight: 400;
  fill: var(--slate);
}

.page-contact .contact-routes__cards {
  display: grid;
  gap: calc(var(--u) * 2.5);
  min-width: 0;
}

.page-contact .route-card {
  display: grid;
  gap: calc(var(--u) * 1.5);
  min-width: 0;
  padding: calc(var(--u) * 3);
  background: var(--night-blue);
  border: 1px solid var(--orbit);
  border-left: 3px solid var(--teal);
  border-radius: var(--r-a);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .route-card:nth-child(2) {
  border-radius: var(--r-b);
}

.page-contact .route-card:hover {
  transform: translateY(-3px);
  border-color: var(--teal);
}

.page-contact .route-card--orange {
  border-left-color: var(--orange);
}

.page-contact .route-card--brick {
  border-left-color: var(--brick);
}

.page-contact .route-card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-contact .route-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.88;
}

.page-contact .route-card__dot {
  flex: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--teal);
}

.page-contact .route-card--orange .route-card__dot {
  background: var(--orange);
}

.page-contact .route-card--brick .route-card__dot {
  background: var(--brick);
}

.page-contact .route-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--u) * 2);
}

.page-contact .route-card__links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
}

/* ---------- 客服渠道 ---------- */
.page-contact .channel-grid {
  align-items: start;
}

.page-contact .channel-list {
  display: grid;
  gap: calc(var(--u) * 2);
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-contact .channel-row {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: calc(var(--u) * 2.5);
  background: rgba(30, 47, 99, 0.42);
  border-left: 3px solid var(--teal);
  border-radius: var(--r-b);
}

.page-contact .channel-row--orange {
  border-left-color: var(--orange);
}

.page-contact .channel-row--lime {
  border-left-color: var(--lime);
}

.page-contact .channel-row--slate {
  border-left-color: var(--slate);
}

.page-contact .channel-row__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-contact .channel-row__value {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .channel-row__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  opacity: 0.75;
}

.page-contact .tip-panel {
  display: grid;
  gap: calc(var(--u) * 2);
  align-content: start;
  margin-top: calc(var(--u) * 3);
  padding: calc(var(--u) * 3);
  background: linear-gradient(150deg, var(--night-blue), var(--space-blue));
  border: 1px dashed var(--orbit);
  border-radius: var(--r-b);
}

.page-contact .tip-panel h3 {
  margin: 0;
}

.page-contact .tip-list {
  display: grid;
  gap: calc(var(--u) * 1.25);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .tip-list li {
  position: relative;
  padding-left: calc(var(--u) * 3);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
  opacity: 0.9;
}

.page-contact .tip-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 14px;
  height: 2px;
  background: var(--teal);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm {
  display: grid;
  gap: calc(var(--u) * 4);
  margin-top: calc(var(--u) * 6);
  padding-top: calc(var(--u) * 4);
  border-top: 1px solid var(--orbit);
}

.page-contact .rhythm__figure {
  margin: 0;
  border-radius: var(--r-a);
  overflow: hidden;
  border: 1px solid var(--orbit);
}

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

.page-contact .rhythm__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .rhythm__step {
  position: relative;
  padding: calc(var(--u) * 3) 0 calc(var(--u) * 3);
  border-top: 2px solid var(--orbit);
}

.page-contact .rhythm__step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--teal);
}

.page-contact .rhythm__when {
  display: block;
  margin-bottom: calc(var(--u) * 1);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-contact .rhythm__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.85;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--u) * 2.5);
}

.page-contact .coop-card {
  display: grid;
  gap: calc(var(--u) * 1.25);
  align-content: start;
  padding: calc(var(--u) * 3);
  background: rgba(20, 34, 74, 0.72);
  border: 1px solid var(--orbit);
  border-radius: var(--r-a);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .coop-card:nth-child(even) {
  border-radius: var(--r-b);
}

.page-contact .coop-card:hover {
  transform: translateY(-3px);
  border-color: var(--teal);
}

.page-contact .coop-card h3 {
  margin: 0;
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.85;
}

.page-contact .material-panel {
  margin-top: calc(var(--u) * 4);
  color: var(--ink);
}

.page-contact .material-panel h3 {
  margin: 0 0 calc(var(--u) * 3);
  color: var(--ink);
}

.page-contact .material-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--u) * 3);
}

.page-contact .material-block h4 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .material-block ul {
  margin: calc(var(--u) * 1.25) 0 0;
  padding-left: 1.1em;
  border-top: 1px solid var(--cream-line);
  padding-top: calc(var(--u) * 1.25);
}

.page-contact .material-block li {
  font-size: 14px;
  line-height: 1.8;
  color: #4B3A29;
}

.page-contact .material-note {
  margin: calc(var(--u) * 3) 0 0;
  padding-top: calc(var(--u) * 2);
  border-top: 1px dashed var(--cream-line);
  font-size: 14px;
  line-height: 1.75;
  color: #4B3A29;
}

/* ---------- 纠错流程 ---------- */
.page-contact .fix-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--u) * 2);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: fix;
}

.page-contact .fix-step {
  position: relative;
  counter-increment: fix;
  padding: calc(var(--u) * 2.5) calc(var(--u) * 2.5) calc(var(--u) * 2.5) calc(var(--u) * 8);
  background: rgba(20, 34, 74, 0.68);
  border: 1px solid var(--orbit);
  border-radius: var(--r-b);
}

.page-contact .fix-step::before {
  content: counter(fix, decimal-leading-zero);
  position: absolute;
  left: calc(var(--u) * 2.5);
  top: calc(var(--u) * 2.5);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--brick);
}

.page-contact .fix-step h3 {
  margin: 0 0 calc(var(--u) * 1);
}

.page-contact .fix-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.85;
}

.page-contact .fix-note {
  margin: calc(var(--u) * 3) 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.9;
}

.page-contact .fix-note a {
  color: var(--teal);
}

/* ---------- 地址与到访 ---------- */
.page-contact .visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: calc(var(--u) * 3);
}

.page-contact .visit-card {
  display: grid;
  gap: calc(var(--u) * 1.5);
  padding: calc(var(--u) * 4) calc(var(--u) * 3);
  background:
    radial-gradient(90% 80% at 96% 4%, rgba(255, 122, 47, 0.16), transparent 60%),
    linear-gradient(145deg, var(--night-blue), var(--space-blue));
  border: 1px solid var(--orbit);
  border-radius: var(--r-a);
}

.page-contact .visit-card .eyebrow {
  margin: 0;
}

.page-contact .visit-card__addr {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .visit-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.85;
}

.page-contact .visit-card__meta {
  margin: calc(var(--u) * 1) 0 0;
  padding-top: calc(var(--u) * 2);
  border-top: 1px solid var(--orbit);
  font-size: 15px;
  color: var(--mist);
  opacity: 0.9;
}

.page-contact .visit-tips {
  display: grid;
  gap: calc(var(--u) * 2);
  align-content: start;
}

.page-contact .visit-tips h2 {
  margin: 0;
}

.page-contact .visit-list {
  display: grid;
  gap: calc(var(--u) * 1.5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .visit-list li {
  position: relative;
  padding-left: calc(var(--u) * 3.5);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
  opacity: 0.9;
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 16px;
  height: 2px;
  background: var(--orange);
}

.page-contact .visit-more {
  border-top: 1px dashed var(--orbit);
  padding-top: calc(var(--u) * 2);
}

.page-contact .visit-more summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--teal);
}

.page-contact .visit-more p {
  margin: calc(var(--u) * 1.5) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  opacity: 0.85;
}

.page-contact .visit-tips .caption a {
  color: var(--teal);
}

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

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    padding: calc(var(--u) * 9) 0 calc(var(--u) * 7);
  }

  .page-contact .contact-routes {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-contact .contact-routes__map {
    position: sticky;
    top: calc(var(--u) * 4);
  }

  .page-contact .tip-panel {
    margin-top: 0;
  }

  .page-contact .rhythm {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: calc(var(--u) * 5);
  }

  .page-contact .rhythm__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: calc(var(--u) * 3);
  }

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

  .page-contact .visit {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .rhythm__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .material-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .coop-card {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}