.page-contact {
  --pc-gap: clamp(18px, 2.6vw, 30px);
  --pc-pad: clamp(20px, 3vw, 32px);
  --pc-block: clamp(40px, 6vw, 72px);
  display: block;
}

.page-contact .breadcrumb {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  display: grid;
  gap: 16px;
  max-width: 74ch;
}

.page-contact .contact-intro h1 {
  margin: 0;
  font-size: clamp(32px, 6.6vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--c-white);
}

.page-contact .contact-hl {
  color: var(--c-green);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-contact .contact-hl {
    background: linear-gradient(100deg, var(--c-green) 0%, var(--c-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-contact .contact-intro .lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--c-ice);
}

.page-contact .contact-flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-flags li {
  padding: 6px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(18, 59, 94, 0.45);
  color: var(--c-ice);
  font-size: 12.5px;
  line-height: 1.4;
}

.page-contact .contact-flags li:first-child {
  border-color: rgba(57, 255, 154, 0.45);
  background: rgba(57, 255, 154, 0.1);
  color: var(--c-green);
}

/* ---------- 双栏联络面板 ---------- */
.page-contact .contact-connect {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .contact-cards {
  display: grid;
  gap: var(--pc-gap);
  align-content: start;
}

.page-contact .contact-card {
  position: relative;
  padding: var(--pc-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(18, 59, 94, 0.82) 0%, rgba(13, 42, 71, 0.9) 55%, rgba(7, 26, 47, 0.86) 100%);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 3px;
  background: var(--pc-accent, var(--c-blue));
}

.page-contact .contact-card--mail {
  --pc-accent: var(--c-blue);
}

.page-contact .contact-card--phone {
  --pc-accent: var(--c-green);
}

.page-contact .contact-card:hover {
  border-color: var(--line-hot);
  transform: translateY(-2px);
}

.page-contact .contact-card__label {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ice);
  opacity: 0.85;
}

.page-contact .contact-card__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 22px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--c-white);
  word-break: break-all;
}

.page-contact .contact-copy {
  flex: none;
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(47, 168, 255, 0.45);
  background: rgba(47, 168, 255, 0.12);
  color: var(--c-blue);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  background: rgba(47, 168, 255, 0.24);
  border-color: var(--c-blue);
  color: var(--c-white);
}

.page-contact .contact-copy[data-copied] {
  border-color: rgba(57, 255, 154, 0.6);
  background: rgba(57, 255, 154, 0.16);
  color: var(--c-green);
}

.page-contact .contact-card__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-ice);
  opacity: 0.85;
}

/* ---------- 南京抽象图形面板 ---------- */
.page-contact .contact-map {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 280px;
  padding: var(--pc-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 20% 0%, rgba(47, 168, 255, 0.2), transparent 62%),
    radial-gradient(90% 80% at 92% 100%, rgba(0, 229, 208, 0.14), transparent 60%),
    linear-gradient(160deg, #0D2A47 0%, #071A2F 100%);
  overflow: hidden;
}

.page-contact .contact-map__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.page-contact .contact-map::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 62%;
  background: linear-gradient(to top, rgba(7, 26, 47, 0.94), transparent);
  pointer-events: none;
}

.page-contact .contact-map__caption {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 6px;
}

.page-contact .contact-map__pin {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-green);
}

.page-contact .contact-map__desc {
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-white);
}

/* ---------- 按事由联系 ---------- */
.page-contact .contact-reasons {
  display: grid;
  gap: var(--pc-gap);
  margin-top: var(--pc-block);
}

.page-contact .contact-reasons__main .lead {
  margin: 12px 0 22px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-ice);
}

.page-contact .contact-reasons__figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--c-night);
  overflow: hidden;
}

.page-contact .contact-reasons__figure img,
.page-contact .contact-address__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .reason {
  border-top: 1px solid var(--line-soft);
}

.page-contact .reason:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .reason summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .reason summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--c-blue);
  border-bottom: 2px solid var(--c-blue);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.3s var(--ease);
}

.page-contact .reason[open] summary::after {
  transform: rotate(-135deg) translateY(-3px);
}

.page-contact .reason__index {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
}

.page-contact .reason__title {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--c-white);
  transition: color 0.25s var(--ease);
}

.page-contact .reason summary:hover .reason__title,
.page-contact .reason[open] .reason__title {
  color: var(--c-blue);
}

.page-contact .reason__body {
  padding: 0 4px 22px 36px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--c-ice);
}

.page-contact .reason__body p {
  margin: 0 0 10px;
}

.page-contact .reason__body a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .reason__body .reason__meta {
  display: inline-block;
  margin: 6px 0 0;
  padding: 7px 12px;
  border-radius: var(--r-xs);
  background: rgba(255, 200, 87, 0.1);
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
}

/* ---------- 南京联系地址 ---------- */
.page-contact .contact-address {
  display: grid;
  gap: var(--pc-gap);
  margin-top: var(--pc-block);
  padding: var(--pc-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(13, 42, 71, 0.86) 0%, rgba(7, 26, 47, 0.92) 100%);
}

.page-contact .contact-address__figure {
  margin: 0;
  aspect-ratio: 10 / 7;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--c-night);
  overflow: hidden;
}

.page-contact .contact-address__panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .contact-address__line {
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--c-green);
  font-size: clamp(19px, 3vw, 29px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-white);
  text-shadow: 0 0 0 rgba(255, 200, 87, 0);
  transition: border-color 0.35s var(--ease), text-shadow 0.35s var(--ease);
}

.page-contact .contact-address__panel:hover .contact-address__line {
  border-left-color: var(--c-amber);
  text-shadow: 0 0 22px rgba(255, 200, 87, 0.35);
}

.page-contact .contact-address__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-ice);
}

.page-contact .contact-address__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  border-radius: var(--r-md);
  background: var(--line-soft);
  overflow: hidden;
}

.page-contact .contact-address__list li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: rgba(7, 26, 47, 0.72);
}

.page-contact .contact-address__list span {
  font-size: 12px;
  color: var(--c-ice);
  opacity: 0.72;
}

.page-contact .contact-address__list strong {
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-white);
}

/* ---------- 响应时间说明 ---------- */
.page-contact .contact-response {
  margin-top: var(--pc-block);
  padding: var(--pc-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(57, 255, 154, 0.07) 0%, transparent 42%),
    linear-gradient(180deg, rgba(13, 42, 71, 0.9) 0%, rgba(7, 26, 47, 0.9) 100%);
}

.page-contact .contact-response__grid {
  display: grid;
  gap: var(--pc-gap);
  margin-top: 22px;
}

.page-contact .response-cell {
  --pc-acc: var(--c-blue);
  position: relative;
  padding-top: 22px;
}

.page-contact .response-cell--time {
  --pc-acc: var(--c-green);
}

.page-contact .response-cell--fix {
  --pc-acc: var(--c-amber);
}

.page-contact .response-cell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  border-radius: 2px;
  background: var(--pc-acc);
}

.page-contact .response-cell__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-contact .response-cell__label {
  margin: 8px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--pc-acc);
}

.page-contact .response-cell__text {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-ice);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-next {
  margin-top: var(--pc-block);
}

.page-contact .contact-next__grid {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-contact .next-card {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(18, 59, 94, 0.35);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  border-color: var(--line-hot);
  background: rgba(47, 168, 255, 0.12);
  transform: translateY(-3px);
}

.page-contact .next-card__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-amber);
}

.page-contact .next-card strong {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-white);
}

.page-contact .next-card__desc {
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-ice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .contact-response__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 52px);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-connect {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: stretch;
  }

  .page-contact .contact-map {
    min-height: 100%;
  }

  .page-contact .contact-reasons {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-contact .contact-reasons__figure {
    position: sticky;
    top: 28px;
  }

  .page-contact .contact-address {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-contact .contact-address__figure {
    order: -1;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-reasons__figure {
    aspect-ratio: 3 / 4;
  }
}

@media (max-width: 420px) {
  .page-contact .contact-address__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .reason__body {
    padding-left: 4px;
  }
}