.page-contact {
  --contact-measure: 36em;
  --hairline: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-contact .page-content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: clamp(18px, 4vw, 44px) var(--gutter) clamp(64px, 10vw, 120px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 8px;
  margin-bottom: clamp(20px, 4vw, 36px);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumb__item a {
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms ease;
}

.page-contact .breadcrumb__item a:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .hero-media {
  position: relative;
  overflow: hidden;
  border: var(--hairline);
  background: var(--turf);
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 31, 26, 0) 38%, rgba(11, 31, 26, 0.92) 100%);
  pointer-events: none;
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05);
}

.page-contact .hero-head {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 4vw, 40px);
}

.page-contact .hero-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 7vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 14em;
}

.page-contact .kicker {
  margin: 0;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .measure {
  max-width: var(--contact-measure);
}

@media (min-width: 880px) {
  .page-contact .hero-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 16px 56px;
    align-items: start;
  }

  .page-contact .hero-head .kicker {
    grid-column: 1 / -1;
  }

  .page-contact .hero-head .lede {
    padding-top: 8px;
    font-size: 16px;
  }
}

/* ---------- 联系方式 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(28px, 5vw, 52px);
  background: var(--line);
  border: var(--hairline);
}

@media (min-width: 780px) {
  .page-contact .channels {
    grid-template-columns: 1.28fr 0.72fr;
  }
}

.page-contact .channel {
  position: relative;
  background: var(--board);
  padding: clamp(20px, 3.2vw, 34px);
}

.page-contact .channel--mail {
  background: var(--turf);
}

.page-contact .channel--mail::before,
.page-contact .channel--phone::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
}

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

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

.page-contact .channel__tag {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .channel__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.2vw, 1.55rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.01em;
  word-break: break-word;
}

.page-contact .channel--mail .channel__value {
  color: var(--cyan);
}

.page-contact .channel--phone .channel__value {
  color: var(--clay);
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 30em;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  margin-top: clamp(52px, 9vw, 108px);
}

.page-contact .section--tight {
  margin-top: clamp(40px, 6vw, 72px);
}

.page-contact .section-head {
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-contact .section-head h2,
.page-contact .section--prep > h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.55rem, 4.4vw, 2.75rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--paper);
  max-width: 18em;
}

.page-contact .section-head .lede {
  margin-top: 14px;
}

/* ---------- 通信地址 ---------- */
.page-contact .address-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(22px, 3.6vw, 36px);
  border-top: var(--hairline);
}

@media (min-width: 840px) {
  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: center;
  }
}

.page-contact .address-line {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.2rem, 3.6vw, 1.95rem);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .address-text .measure {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .address-graphic {
  border: var(--hairline);
  background: var(--turf);
  padding: 14px;
}

.page-contact .address-graphic svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 咨询类型 ---------- */
.page-contact .route-list {
  border-top: var(--hairline);
}

.page-contact .route-block {
  border-bottom: var(--hairline);
}

.page-contact .route-trigger {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    ". hint";
  gap: 6px 14px;
  width: 100%;
  padding: 26px 44px 26px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms ease;
}

.page-contact .route-trigger:hover {
  background: var(--glass);
}

.page-contact .route-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .route-name {
  grid-area: name;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .route-hint {
  grid-area: hint;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .route-trigger::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 26px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--stone);
  transition: color 160ms ease;
}

.page-contact .expandable[data-open="true"] .route-trigger::after {
  content: "−";
  color: var(--cyan);
}

.page-contact .route-block--b .route-num {
  color: var(--mist);
}

.page-contact .route-block--c .route-num {
  color: var(--clay);
}

.page-contact .route-block--a .route-trigger {
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-contact .route-block--b .route-trigger {
  padding-top: 22px;
  padding-bottom: 22px;
}

.page-contact .route-block--c .route-trigger {
  padding-top: 30px;
  padding-bottom: 30px;
}

.page-contact .route-block--d .route-trigger {
  padding-top: 46px;
  padding-bottom: 46px;
}

.page-contact .expandable[data-open="false"] .route-panel {
  display: none;
}

.page-contact .route-panel {
  padding: 0 44px clamp(22px, 3.4vw, 34px) 0;
}

.page-contact .route-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: var(--contact-measure);
}

.page-contact .route-panel li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .route-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 1px;
  background: var(--cyan);
}

@media (min-width: 800px) {
  .page-contact .route-trigger {
    grid-template-columns: 76px minmax(0, 300px) minmax(0, 1fr);
    grid-template-areas: "num name hint";
    align-items: baseline;
    gap: 0 28px;
    padding-right: 56px;
  }

  .page-contact .route-block--a .route-trigger {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .page-contact .route-block--b .route-trigger {
    padding-top: 26px;
    padding-bottom: 26px;
  }

  .page-contact .route-block--c .route-trigger {
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .page-contact .route-block--d .route-trigger {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-contact .route-panel {
    padding-left: 104px;
    padding-right: 56px;
  }
}

/* ---------- 内容共建 ---------- */
.page-contact .cobuild-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

@media (min-width: 880px) {
  .page-contact .cobuild-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }
}

.page-contact .cobuild-media {
  position: relative;
  border: var(--hairline);
  background: var(--turf);
  overflow: hidden;
}

.page-contact .cobuild-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.page-contact .cobuild-text h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 4.2vw, 2.5rem);
  line-height: 1.22;
  color: var(--paper);
  max-width: 16em;
}

.page-contact .cobuild-text p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .cobuild-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  border-top: var(--hairline);
  padding-top: 20px;
}

.page-contact .cobuild-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .cobuild-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--clay);
  border-radius: 50%;
}

.page-contact .cobuild-link {
  margin: 24px 0 0;
}

.page-contact .cobuild-link a {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-contact .cobuild-link a:hover {
  border-color: var(--cyan);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .section--prep {
  padding-top: clamp(34px, 6vw, 72px);
  border-top: var(--hairline);
}

.page-contact .prep-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(24px, 4vw, 40px);
}

@media (min-width: 880px) {
  .page-contact .prep-wrap {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
  }
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 3vw, 26px) clamp(14px, 2.4vw, 22px);
  background: var(--ink);
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--clay);
  padding-top: 3px;
}

.page-contact .prep-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  line-height: 1.35;
  color: var(--paper);
}

.page-contact .prep-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 34em;
}

.page-contact .prep-aside {
  align-self: start;
  border-left: 2px solid var(--board);
  padding-left: clamp(16px, 2.4vw, 24px);
}

.page-contact .prep-aside p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--stone);
}

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

.page-contact .contact-links {
  margin: clamp(34px, 5vw, 60px) 0 0;
  padding-top: 22px;
  border-top: var(--hairline);
  font-size: 14px;
  line-height: 2;
  color: var(--stone);
  max-width: 46em;
}

.page-contact .contact-links a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .contact-links a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 小屏收口 ---------- */
@media (max-width: 479px) {
  .page-contact .channel__value {
    font-size: 1.05rem;
  }

  .page-contact .route-panel {
    padding-right: 12px;
  }

  .page-contact .prep-list li {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
}