.page-contact {
  --contact-gap: 26px;
  --contact-card-radius: 24px;
}

@media (min-width: 760px) {
  .page-contact {
    --contact-gap: 34px;
  }
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  padding: 20px 0 34px;
}

.page-contact .contact-hero__text {
  min-width: 0;
}

.page-contact .contact-hero .display-title {
  margin: 14px 0 0;
}

.page-contact .contact-hero .lede {
  margin: 20px 0 0;
  max-width: 62ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__meta {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
  max-width: 56ch;
}

.page-contact .contact-hero__media {
  margin: 0;
  overflow: hidden;
  border-radius: 0 var(--contact-card-radius) var(--contact-card-radius) var(--contact-card-radius);
  box-shadow: var(--shadow-card);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
    padding: 44px 0 56px;
  }

  .page-contact .contact-hero__media {
    align-self: center;
  }
}

/* ---------- 沙尘节奏条 ---------- */
.page-contact .contact-rhythm {
  height: 8px;
  margin: 0 0 34px;
  background-image: repeating-linear-gradient(90deg, var(--sand) 0 2px, transparent 2px 22px);
  background-repeat: repeat-x;
  background-position: 0 0;
}

/* ---------- 双栏骨架 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  padding-bottom: 56px;
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(272px, 320px) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-bottom: 80px;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--band) + 26px);
  }
}

.page-contact .contact-rail {
  min-width: 0;
}

/* ---------- 深色联系卡 ---------- */
.page-contact .contact-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--contact-card-radius) 0 var(--contact-card-radius) var(--contact-card-radius);
  padding: 26px 22px 24px;
  box-shadow: var(--shadow-card);
}

.page-contact .contact-card__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(245, 241, 232, 0.62);
}

.page-contact .contact-card__title {
  margin: 10px 0 0;
  font-size: 21px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-contact .contact-card__list {
  display: grid;
  gap: 18px;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .contact-card__item {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(245, 241, 232, 0.16);
}

.page-contact .contact-card__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-card__item dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(245, 241, 232, 0.6);
}

.page-contact .contact-card__item dd {
  margin: 8px 0 0;
}

.page-contact .contact-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.2vw, 18px);
  line-height: 1.4;
  color: var(--lime-soft);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--mail {
  font-size: clamp(13px, 3.6vw, 15px);
}

.page-contact .contact-card__note {
  font-size: 13px;
  line-height: 1.68;
  color: rgba(245, 241, 232, 0.66);
}

.page-contact .contact-card__plain {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .contact-stream {
  min-width: 0;
}

.page-contact .contact-block {
  padding: 30px 0 34px;
  border-top: 1px solid var(--sand);
}

.page-contact .contact-block--first {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-block--end {
  background: var(--paper-deep);
  border-radius: var(--contact-card-radius) 0 var(--contact-card-radius) var(--contact-card-radius);
  border-top: 0;
  padding: 28px 22px 30px;
  margin-top: 6px;
}

.page-contact .contact-block__lede {
  margin: 16px 0 0;
  max-width: 68ch;
}

.page-contact .contact-block__foot {
  margin: 20px 0 0;
  font-size: 15px;
  color: var(--rock);
}

.page-contact .contact-block .data-heading {
  margin: 12px 0 0;
}

/* ---------- 问题类型（details） ---------- */
.page-contact .issue-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .issue {
  background: var(--paper-deep);
  border: 1px solid transparent;
  border-radius: 4px var(--contact-card-radius) var(--contact-card-radius) var(--contact-card-radius);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .issue[open] {
  border-color: var(--cyan);
}

.page-contact .issue__summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 18px 17px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .issue__summary::before,
.page-contact .issue__summary::after {
  content: none;
}

.page-contact .issue__icon {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  color: var(--cyan-deep);
}

.page-contact .issue__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .issue__text {
  display: block;
  min-width: 0;
}

.page-contact .issue__title {
  display: block;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .issue__hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--rock);
}

.page-contact .issue__body {
  padding: 0 18px 20px 58px;
  border-top: 1px solid var(--sand);
  margin-top: 0;
  padding-top: 16px;
}

.page-contact .issue__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text);
  max-width: 66ch;
}

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

/* ---------- 图片分区 ---------- */
.page-contact .contact-figure {
  margin: 30px 0 6px;
  border-radius: 0 var(--contact-card-radius) var(--contact-card-radius) 0;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-figure .caption {
  padding: 12px 0 0;
  margin: 0;
  display: block;
  border-left: 0;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
}

/* ---------- 步骤与提示卡 ---------- */
.page-contact .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-contact .step {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: var(--paper-deep);
  border-radius: 0 14px 14px 14px;
  border-left: 3px solid var(--lime);
}

.page-contact .step__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan-deep);
}

.page-contact .step__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .tip-card {
  margin-top: 22px;
  padding: 22px 20px 22px;
  background: var(--lime-soft);
  border-radius: var(--contact-card-radius) 0 var(--contact-card-radius) var(--contact-card-radius);
}

.page-contact .tip-card__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .tip-card__list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--text);
}

.page-contact .tip-card__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #3B4A2E;
}

/* ---------- 合作方向 ---------- */
.page-contact .coop-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .coop-item {
  padding: 20px 18px 20px;
  background: var(--paper-deep);
  border-top: 3px solid var(--cyan);
  border-radius: 0 0 16px 16px;
}

.page-contact .coop-item__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.45;
}

.page-contact .coop-item__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
}

@media (min-width: 760px) {
  .page-contact .coop-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .coop-item {
    display: flex;
    flex-direction: column;
  }

  .page-contact .coop-item__text {
    flex: 1 1 auto;
  }
}

/* ---------- 城市点阵 ---------- */
.page-contact .city-dots {
  list-style: none;
  display: flex;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0 0 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .city-dot {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 130px;
  padding: 14px 16px 16px;
  background: var(--paper-deep);
  border-radius: 0 14px 14px 14px;
  cursor: default;
}

.page-contact .city-dot__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sand);
  box-shadow: 0 0 0 4px rgba(217, 201, 168, 0.32);
  transition: background-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .city-dot__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .city-dot__tip {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--rock);
}

.page-contact .city-dot:hover .city-dot__dot,
.page-contact .city-dot:focus-within .city-dot__dot {
  background: var(--cyan-deep);
  box-shadow: 0 0 0 5px rgba(79, 184, 201, 0.24);
}

.page-contact .city-dot:hover .city-dot__tip {
  color: var(--cyan-deep);
}

/* ---------- 到访说明 ---------- */
.page-contact .visit-note {
  margin-top: 26px;
  padding: 22px 20px 22px;
  background: var(--paper-deep);
  border-radius: 4px var(--contact-card-radius) var(--contact-card-radius) var(--contact-card-radius);
  border-left: 4px solid var(--sunset);
}

.page-contact .visit-note__title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .visit-note p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text);
  max-width: 66ch;
}

.page-contact .visit-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 行内数值 ---------- */
.page-contact .contact-inline-value {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan-deep);
  overflow-wrap: anywhere;
}

/* ---------- 通用细节 ---------- */
.page-contact a {
  color: var(--cyan-deep);
}

.page-contact .contact-block a,
.page-contact .issue__body a,
.page-contact .tip-card a,
.page-contact .visit-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .contact-block a:hover,
.page-contact .issue__body a:hover,
.page-contact .tip-card a:hover,
.page-contact .visit-note a:hover {
  color: var(--ink);
}

.page-contact .contact-hero__media,
.page-contact .contact-figure,
.page-contact .contact-card,
.page-contact .tip-card {
  max-width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .issue,
  .page-contact .city-dot__dot {
    transition: none;
  }
}