.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: clamp(0.9rem, 3vw, 1.4rem) 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-contact .breadcrumb__item {
  color: var(--rock);
  text-decoration: none;
}

.page-contact .breadcrumb__item:hover {
  color: var(--terracotta-deep);
}

.page-contact .breadcrumb__sep {
  color: var(--moss);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  padding-top: clamp(1.1rem, 3vw, 1.8rem);
  padding-bottom: clamp(2rem, 6vw, 3.4rem);
  background-image: linear-gradient(150deg, rgba(216, 208, 194, 0.6), rgba(244, 239, 230, 0));
  background-repeat: no-repeat;
  background-size: 100% 62%;
}

.page-contact .contact-hero__card {
  position: relative;
  border: var(--line);
  background: var(--paper-deep);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius);
  padding: clamp(1rem, 3vw, 1.6rem);
}

.page-contact .contact-hero__tab {
  display: inline-block;
  margin: 0 0 0.9rem;
  padding: 0.32rem 0.85rem;
  background: var(--terracotta);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  border-radius: var(--radius);
}

.page-contact .contact-hero__media {
  margin: 0 0 1rem;
  border: 2px solid var(--frame);
  background: var(--warm-gray);
  overflow: hidden;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

.page-contact .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-item {
  display: grid;
  justify-items: start;
  gap: 0.22rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--warm-gray);
}

.page-contact .contact-item:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.page-contact .contact-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--rock);
}

.page-contact .contact-value {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.6;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact a.contact-value:hover {
  color: var(--ink-green);
  text-decoration: underline;
}

.page-contact .contact-value--text {
  font-weight: 500;
  color: var(--frame);
}

.page-contact .copy-btn {
  margin-top: 0.32rem;
  padding: 0.24rem 0.62rem;
  border: 2px solid var(--frame);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--frame);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--terracotta-soft);
  color: var(--terracotta-deep);
  border-color: var(--terracotta-deep);
}

.page-contact .copy-btn[data-copied] {
  background: var(--ink-green);
  border-color: var(--ink-green);
  color: var(--paper);
}

.page-contact .contact-hero__intro {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.9rem;
}

.page-contact .contact-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--terracotta);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-contact .contact-kicker::after {
  content: "";
  flex: 1;
  max-width: 90px;
  height: 2px;
  background: var(--terracotta-soft);
}

.page-contact .contact-hero__intro h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.page-contact .lede {
  margin: 0;
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.85;
  color: var(--frame);
}

.page-contact .contact-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.page-contact .contact-hero__flag {
  margin: 0.4rem 0 0;
  padding: 0.7rem 0.9rem;
  border-left: 6px solid var(--ink-green);
  background: var(--paper-deep);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--frame);
}

.page-contact .contact-hero__flag span {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.08rem 0.45rem;
  background: var(--ink-green);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

/* ---------- 通用章节 ---------- */

.page-contact .contact-section {
  padding-top: clamp(1.8rem, 5vw, 2.8rem);
  padding-bottom: clamp(1.4rem, 4vw, 2rem);
  border-top: var(--line);
}

.page-contact .section-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 0.55rem;
}

.page-contact .section-index {
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  line-height: 1;
  color: var(--terracotta);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.4vw, 1.95rem);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-section__lede {
  margin: 0 0 1.1rem;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 响应通道 ---------- */

.page-contact .response-flow {
  display: grid;
  gap: 1rem;
  margin-top: 0.6rem;
}

.page-contact .response-node {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: clamp(1rem, 3vw, 1.3rem);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--paper-deep);
  box-shadow: var(--shadow-hard);
}

.page-contact .response-node__num {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--ink-green);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  border-radius: var(--radius);
}

.page-contact .response-node__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .response-node__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .response-node__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--terracotta-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--terracotta-soft);
  padding-bottom: 0.1rem;
  overflow-wrap: anywhere;
}

.page-contact .response-node__link:hover {
  color: var(--ink-green);
  border-bottom-color: var(--ink-green);
}

.page-contact .response-node--urgent {
  border-color: var(--terracotta);
  background: var(--paper);
}

.page-contact .response-node--urgent .response-node__num {
  background: var(--terracotta);
}

.page-contact .contact-flow__figure {
  margin: 1.5rem 0 0;
}

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

/* ---------- 合作咨询 ---------- */

.page-contact .collab-grid {
  display: grid;
  gap: 1rem;
  margin-top: 0.6rem;
}

.page-contact .collab-card {
  padding: clamp(1rem, 3vw, 1.25rem);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  border-top: 6px solid var(--warm-gray);
}

.page-contact .collab-card:nth-child(2n) {
  border-top-color: var(--moss);
}

.page-contact .collab-card:nth-child(2n + 1) {
  border-top-color: var(--terracotta-soft);
}

.page-contact .collab-card__title {
  margin: 0.6rem 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .collab-card__text {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .collab-foot {
  margin: 1.1rem 0 0;
  padding-left: 0.9rem;
  border-left: 4px solid var(--moss);
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--frame);
}

.page-contact .collab-foot a {
  color: var(--ink-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .collab-foot a:hover {
  color: var(--terracotta-deep);
}

/* ---------- 通信地址 ---------- */

.page-contact .address-panel {
  display: grid;
  gap: 1rem;
  margin-top: 0.6rem;
  padding: clamp(1.1rem, 3.4vw, 1.8rem);
  border: var(--line);
  border-left: 8px solid var(--ink-green);
  border-radius: var(--radius);
  background: var(--paper-deep);
}

.page-contact .address-panel__label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-contact .address-panel__addr {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.8vw, 1.45rem);
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .address-panel__hint {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--frame);
}

/* ---------- 常见场景 ---------- */

.page-contact .scene-list {
  margin-top: 0.6rem;
  border-top: var(--line);
}

.page-contact .scene-item {
  border-bottom: var(--line);
  background: var(--paper);
}

.page-contact .scene-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 0.95rem 2.4rem 0.95rem 0.1rem;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-contact .scene-item summary::after {
  content: "+";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--terracotta);
}

.page-contact .scene-item[open] summary::after {
  content: "−";
}

.page-contact .scene-item summary:hover {
  color: var(--terracotta-deep);
}

.page-contact .scene-item__a {
  margin: 0;
  padding: 0 0.1rem 1.1rem;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--rock);
}

.page-contact .scene-item__a a {
  color: var(--ink-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .scene-item__a a:hover {
  color: var(--terracotta-deep);
}

/* ---------- 服务时间 ---------- */

.page-contact .contact-hours {
  margin-top: clamp(1.6rem, 5vw, 2.6rem);
  padding-top: clamp(1.4rem, 4vw, 2rem);
  padding-bottom: clamp(2.2rem, 6vw, 3.2rem);
  border-top: var(--line);
}

.page-contact .contact-hours__bar {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 1rem 0;
}

.page-contact .contact-hours__slot {
  padding: 0.6rem 0.85rem;
  border: 2px solid var(--warm-gray);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--rock);
  text-align: center;
}

.page-contact .contact-hours__slot--on {
  border-color: var(--terracotta);
  background: var(--terracotta-soft);
  color: var(--terracotta-deep);
  font-weight: 600;
}

.page-contact .contact-note {
  margin: 0;
  max-width: 62ch;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--rock);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 700px) {
  .page-contact .collab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .response-node:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-contact .contact-hours__bar {
    flex-direction: row;
    align-items: stretch;
    gap: 0;
  }

  .page-contact .contact-hours__slot {
    flex: 1 1 22%;
  }

  .page-contact .contact-hours__slot--on {
    flex: 2 1 46%;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.2rem);
  }

  .page-contact .contact-hero__card {
    position: sticky;
    top: calc(var(--header-h) + 1.4rem);
  }

  .page-contact .address-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 1.8rem;
  }

  .page-contact .contact-section__lede {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn {
    transition: none;
  }
}