.page-contact {
  --contact-gap: clamp(16px, 2.4vw, 28px);
  --contact-pad: clamp(18px, 3vw, 34px);
  padding-top: var(--head-h);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--fg-mute);
}
.page-contact .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line-strong);
}
.page-contact .breadcrumbs a {
  color: var(--fg-mute);
  text-decoration: none;
  transition: color .2s ease;
}
.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--cyan);
}
.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background: var(--bg);
  padding-bottom: clamp(36px, 6vw, 80px);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 60px);
  grid-template-columns: 1fr;
  padding-top: clamp(26px, 5vw, 52px);
}
.page-contact .contact-hero__main {
  min-width: 0;
}
.page-contact .contact-hero .h-display {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 74px);
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--fg);
}
.page-contact .contact-hero .lead {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.8;
  color: var(--fg-mute);
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.page-contact .contact-hero__aside {
  min-width: 0;
}
.page-contact .hero-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .hero-metrics__item {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  background: var(--bg-panel);
}
.page-contact .hero-metrics__num {
  font-family: var(--font-mono);
  font-size: clamp(19px, 1.9vw, 25px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--orange);
}
.page-contact .hero-metrics__label {
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--fg-mute);
}

/* ---------- 两条通道 ---------- */
.page-contact .contact-desk {
  background: var(--bg);
  padding-block: clamp(42px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.page-contact .desk-intro {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--fg-mute);
}
.page-contact .desk {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  gap: clamp(18px, 3vw, 38px);
  grid-template-columns: 1fr;
}
.page-contact .desk__side {
  display: grid;
  gap: 16px;
  min-width: 0;
}
.page-contact .desk__list {
  display: grid;
  gap: 10px;
}
.page-contact .desk__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  width: 100%;
  padding: 15px 17px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  color: var(--fg);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease;
}
.page-contact .desk__tab:hover {
  border-left-color: var(--line-strong);
}
.page-contact .desk__tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}
.page-contact .desk__tab[aria-selected="true"] {
  background: var(--bg-soft);
  border-left-color: var(--orange);
}
.page-contact .desk__tab-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--fg-mute);
  padding-top: 3px;
}
.page-contact .desk__tab[aria-selected="true"] .desk__tab-idx {
  color: var(--orange);
}
.page-contact .desk__tab-name {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: .01em;
}
.page-contact .desk__tab-note {
  grid-column: 2;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-mute);
}
.page-contact .desk__texture {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--bg-panel);
}
.page-contact .desk__panels {
  min-width: 0;
}
.page-contact .desk__panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: var(--contact-pad);
  outline: none;
}
.page-contact .desk__panel + .desk__panel {
  margin-top: 18px;
}
.page-contact .desk__panel[hidden] {
  display: none;
}
.page-contact .desk__panel:focus-visible {
  border-color: var(--line-strong);
}
.page-contact .desk__panel .h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 1.9vw, 25px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--fg);
}
.page-contact .desk__panel > p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg-mute);
}

/* 交付物标签 */
.page-contact .deliverables {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-contact .deliverables li {
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
}

/* 表单区 */
.page-contact .panel-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}
.page-contact .field {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.page-contact .field__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--fg-mute);
}
.page-contact .field__input,
.page-contact .field__select,
.page-contact .field__area {
  box-sizing: border-box;
  width: 100%;
  padding: 11px 13px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--fg);
  font: inherit;
  font-size: 15px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.page-contact .field__area {
  min-height: 96px;
  resize: vertical;
  line-height: 1.7;
}
.page-contact .field__input:focus-visible,
.page-contact .field__select:focus-visible,
.page-contact .field__area:focus-visible {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 2px rgba(255, 90, 31, .28);
}
.page-contact .panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.page-contact .panel-hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--fg-mute);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-clock {
  background: var(--bg);
  padding-block: clamp(42px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.page-contact .clock-rail {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-strong);
}
.page-contact .clock-stop {
  position: relative;
  padding: 24px 0 24px 22px;
  border-bottom: 1px solid var(--line);
}
.page-contact .clock-stop::before {
  content: "";
  position: absolute;
  left: 0;
  top: 32px;
  width: 9px;
  height: 9px;
  background: var(--orange);
  transform: rotate(45deg);
}
.page-contact .clock-stop__time {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.3vw, 30px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--orange);
}
.page-contact .clock-stop__title {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
}
.page-contact .clock-stop__desc {
  margin: 8px 0 0;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-mute);
}
.page-contact .clock-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 72ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--fg-mute);
}

/* ---------- 对接前准备 ---------- */
.page-contact .contact-prep {
  background: var(--bg);
  padding-block: clamp(42px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.page-contact .prep-list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 22px;
  background: var(--bg);
}
.page-contact .prep-list__idx {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
}
.page-contact .prep-list__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fg);
}
.page-contact .prep-list__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-mute);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  background: var(--bg);
  padding-block: clamp(42px, 7vw, 96px);
  border-top: 1px solid var(--line);
}
.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 50px);
}
.page-contact .reach-main {
  min-width: 0;
}
.page-contact .reach-lede {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg-mute);
}
.page-contact .reach-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .reach-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 16px;
  padding: 15px 18px;
  background: var(--bg-panel);
}
.page-contact .reach-list__key {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--fg-mute);
}
.page-contact .reach-list__val {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--fg);
  overflow-wrap: anywhere;
}
.page-contact .reach-list__val--text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
}
.page-contact .reach-list .copy-btn {
  justify-self: end;
}
.page-contact .copy-state {
  display: block;
  min-height: 18px;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}
.page-contact .reach-links {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--fg-mute);
}
.page-contact .reach-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color .2s ease, color .2s ease;
}
.page-contact .reach-links a:hover,
.page-contact .reach-links a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .reach-map {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  overflow: hidden;
}
.page-contact .reach-map img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .reach-map .media__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  background: var(--orange);
  color: var(--ink-900);
}

.page-contact .reach-visit {
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
  max-width: 78ch;
}
.page-contact .reach-visit .h3 {
  margin: 0;
  font-size: clamp(19px, 1.9vw, 25px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--fg);
}
.page-contact .reach-visit p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fg-mute);
}
.page-contact .reach-visit__addr {
  font-size: 15px;
  color: var(--fg);
}
.page-contact .reach-legal {
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-mute);
}
.page-contact .reach-legal a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}
.page-contact .reach-legal a:hover,
.page-contact .reach-legal a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .panel-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .field--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 780px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .prep-list__item:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-contact .clock-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(18px, 3vw, 36px);
  }
  .page-contact .clock-stop {
    padding: 28px 0 4px;
    border-bottom: 0;
  }
  .page-contact .clock-stop::before {
    top: -5px;
    left: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .85fr);
    align-items: end;
  }
  .page-contact .reach-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: stretch;
  }
  .page-contact .reach-map {
    display: flex;
  }
  .page-contact .reach-map img {
    height: 100%;
    min-height: 300px;
    object-fit: cover;
  }
}

@media (min-width: 960px) {
  .page-contact .desk {
    grid-template-columns: minmax(230px, 300px) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .desk__texture {
    height: 190px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .desk__tab,
  .page-contact .breadcrumbs a,
  .page-contact .reach-links a,
  .page-contact .field__input,
  .page-contact .field__select,
  .page-contact .field__area {
    transition: none;
  }
}