.page-contact {
  --cp-panel: rgba(20, 56, 45, 0.58);
  --cp-panel-strong: rgba(20, 56, 45, 0.88);
  --cp-hair: rgba(126, 140, 133, 0.22);
  --cp-hair-strong: rgba(126, 140, 133, 0.45);
  --cp-text-soft: rgba(242, 245, 239, 0.8);
  display: block;
  background-color: var(--carbon);
  color: var(--warm);
}

.page-contact .section {
  padding: 44px 0;
}

.page-contact .section__title {
  font-size: clamp(22px, 4.6vw, 28px);
  line-height: 1.3;
}

.page-contact .section__note {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--sage);
}

.page-contact .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 40px;
  background: linear-gradient(126deg, rgba(15, 42, 34, 0.98) 0%, rgba(15, 42, 34, 0.7) 44%, rgba(10, 15, 13, 0.94) 100%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -22%;
  width: 78%;
  height: 150%;
  background: linear-gradient(148deg, rgba(47, 212, 198, 0.18), rgba(198, 255, 61, 0.06) 58%, transparent 84%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 76%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--line-lime), rgba(126, 140, 133, 0.18) 55%, transparent);
}

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

.page-contact .contact-hero__grid {
  display: grid;
  gap: 28px;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7.6vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 52ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--cp-text-soft);
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--cp-hair);
  box-shadow: 0 20px 46px rgba(0, 0, 0, 0.38);
}

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

/* ---------- 联络渠道 ---------- */

.page-contact .channel-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: 20px 16px 18px;
  border: 1px solid var(--cp-hair);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--cp-panel-strong), rgba(10, 15, 13, 0.7));
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 48px;
  background: var(--lime);
}

.page-contact .channel-card--phone::before {
  background: var(--cyan);
}

.page-contact .channel-card--address::before {
  background: var(--amber);
}

.page-contact .channel-card:hover {
  border-color: var(--cp-hair-strong);
  transform: translateY(-2px);
}

.page-contact .channel-card__label {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-contact .channel-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.8vw, 24px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--lime);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: border-color 0.22s var(--ease);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  border-bottom-color: var(--line-lime);
}

.page-contact .channel-card__value--tel {
  letter-spacing: 0.06em;
}

.page-contact .channel-card__value--text {
  font-family: var(--font-sans);
  font-size: var(--fs-18);
  font-weight: 500;
  line-height: 1.6;
  color: var(--warm);
  word-break: break-word;
}

.page-contact .channel-card__note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 咨询问题 ---------- */

.page-contact .section--ask {
  background: linear-gradient(180deg, rgba(15, 42, 34, 0.55), rgba(10, 15, 13, 0));
}

.page-contact .ask-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-contact .ask-item {
  border: 1px solid var(--cp-hair);
  border-radius: var(--radius);
  background: var(--cp-panel);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .ask-item[open] {
  border-color: var(--line-lime);
  background: var(--cp-panel-strong);
}

.page-contact .ask-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  padding: 14px 16px;
  font-size: var(--fs-16);
  font-weight: 500;
  line-height: 1.6;
  color: var(--warm);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ask-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1;
  color: var(--cyan);
  transition: color 0.22s var(--ease);
}

.page-contact .ask-item[open] summary::after {
  content: "–";
  color: var(--lime);
}

.page-contact .ask-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .ask-item__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--cp-hair);
  margin-top: 2px;
}

.page-contact .ask-item__body p {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--cp-text-soft);
}

/* ---------- 服务时间与响应 ---------- */

.page-contact .response-grid {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.page-contact .response-figure {
  margin: 0;
  border: 1px solid var(--cp-hair);
}

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

.page-contact .response-cards {
  display: grid;
  gap: 14px;
}

.page-contact .response-card {
  padding: 18px 16px 16px;
  border: 1px solid var(--cp-hair);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(15, 42, 34, 0.5);
}

.page-contact .response-card--phone {
  border-top-color: var(--lime);
}

.page-contact .response-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-contact .response-card__time {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 5.4vw, 28px);
  font-weight: 500;
  line-height: 1.25;
  color: var(--cyan);
}

.page-contact .response-card--phone .response-card__time {
  color: var(--lime);
}

.page-contact .response-card__list {
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--cp-hair);
  list-style: none;
}

.page-contact .response-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--cp-text-soft);
}

.page-contact .response-card__list li + li {
  margin-top: 8px;
}

.page-contact .response-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 1px;
  background: var(--sage);
}

/* ---------- 备案与归档 ---------- */

.page-contact .section--record {
  padding-bottom: 24px;
}

.page-contact .record-list {
  margin: 24px 0 0;
  border-top: 1px solid var(--cp-hair);
}

.page-contact .record-row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--cp-hair);
}

.page-contact .record-row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--sage);
}

.page-contact .record-row dd {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--warm);
  word-break: break-word;
}

.page-contact .record-value--lime {
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-contact .record-note {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 延伸入口 ---------- */

.page-contact .section--next {
  padding-bottom: 56px;
}

.page-contact .next-links {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .next-link {
  display: block;
  padding: 16px;
  border: 1px solid var(--cp-hair);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(20, 56, 45, 0.4);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  border-left-color: var(--lime);
  background: rgba(20, 56, 45, 0.75);
}

.page-contact .next-link__title {
  display: block;
  font-size: var(--fs-18);
  font-weight: 600;
  color: var(--warm);
}

.page-contact .next-link__desc {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--sage);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .section {
    padding: 56px 0;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .channel-card--address {
    grid-column: 1 / -1;
  }

  .page-contact .ask-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .record-row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
    padding: 15px 0;
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding: 68px 0;
  }

  .page-contact .section--record {
    padding-bottom: 32px;
  }

  .page-contact .section--next {
    padding-bottom: 76px;
  }

  .page-contact .contact-hero {
    padding: 40px 0 60px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 1.02fr 0.98fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 32px;
  }

  .page-contact .channel-card--address {
    grid-column: auto;
  }

  .page-contact .channel-card {
    padding: 26px 22px 22px;
  }

  .page-contact .ask-list {
    margin-top: 32px;
  }

  .page-contact .response-grid {
    grid-template-columns: 0.86fr 1.14fr;
    gap: 40px;
    align-items: start;
    margin-top: 32px;
  }

  .page-contact .record-list {
    margin-top: 32px;
  }

  .page-contact .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__value,
  .page-contact .ask-item,
  .page-contact .ask-item summary::after,
  .page-contact .next-link {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}