.page-contact {
  --pc-rail-w: 232px;
  --pc-shadow: 0 1px 0 rgba(26, 21, 18, 0.06);
  background: var(--cream);
  color: var(--brown);
}

.page-contact [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--cream);
  padding-block: clamp(22px, 4vw, 40px) clamp(40px, 8vw, 76px);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(201, 210, 206, 0.07) 0 1px,
    transparent 1px 112px
  );
}

.page-contact .contact-hero__crumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
  color: var(--silver);
}

.page-contact .contact-hero__crumbs a {
  color: var(--silver);
  text-decoration: none;
}

.page-contact .contact-hero__crumbs a:hover {
  color: var(--mint);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  letter-spacing: 0.2em;
  font-size: 12px;
}

.page-contact .contact-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.2vw, 64px);
  line-height: 1.08;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-contact .contact-hero__lead {
  margin: 0 0 14px;
  max-width: 34em;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .contact-hero__note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(201, 210, 206, 0.82);
}

.page-contact .contact-hero__visual {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.04);
}

.page-contact .contact-hero__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--silver);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 联系面板 ---------- */
.page-contact .contact-panel {
  margin-top: clamp(28px, 5vw, 48px);
  border-top: 1px solid var(--line-dark);
}

.page-contact .contact-panel__row {
  position: relative;
  display: grid;
  gap: 6px;
  padding: clamp(15px, 3vw, 22px) 0 clamp(15px, 3vw, 22px) 28px;
  border-bottom: 1px solid var(--line-dark);
  transition: background-color 0.22s var(--ease);
}

.page-contact .contact-panel__row::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line-dark);
}

.page-contact .contact-panel__row::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--mint);
  transform: rotate(45deg);
  transition: background-color 0.22s var(--ease);
}

.page-contact .contact-panel__row:hover {
  background: rgba(20, 51, 43, 0.6);
}

.page-contact .contact-panel__row:hover::after {
  background: var(--orange);
}

.page-contact .contact-panel__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.page-contact .contact-panel__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.8vw, 20px);
  letter-spacing: 0.04em;
  line-height: 1.5;
  color: var(--cream);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-panel__note {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(201, 210, 206, 0.76);
}

/* ---------- 主体：左侧路径 + 右侧说明 ---------- */
.page-contact .contact-body {
  padding-block: clamp(32px, 6vw, 68px) clamp(44px, 8vw, 88px);
}

.page-contact .contact-body__grid {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
}

.page-contact .contact-rail__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(26, 21, 18, 0.5);
}

.page-contact .contact-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-rail__link {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 0 11px 14px;
  border-top: 1px solid var(--line-light);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(26, 21, 18, 0.72);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .contact-rail__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 3px;
  background: transparent;
  transition: background-color 0.2s var(--ease);
}

.page-contact .contact-rail__link:hover,
.page-contact .contact-rail__link.is-active {
  color: var(--ink-2);
}

.page-contact .contact-rail__link:hover::before,
.page-contact .contact-rail__link.is-active::before {
  background: var(--mint);
}

.page-contact .contact-rail__num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-contact .contact-sec {
  padding-block: clamp(26px, 5vw, 44px);
  border-top: 1px solid var(--line-light);
}

.page-contact .contact-sec:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}

.page-contact .contact-sec__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .contact-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  letter-spacing: 0.03em;
  color: var(--ink-2);
}

.page-contact .contact-sec__lead {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: clamp(15px, 2.2vw, 16px);
  line-height: 1.78;
  color: rgba(26, 21, 18, 0.8);
}

.page-contact .contact-sec__foot {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--silver);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(26, 21, 18, 0.66);
}

.page-contact .contact-sec__foot a,
.page-contact .path-steps a,
.page-contact .visit__meta a {
  color: var(--ink-2);
  text-decoration: underline;
  text-decoration-color: rgba(255, 106, 31, 0.55);
  text-underline-offset: 3px;
}

.page-contact .contact-sec__foot a:hover,
.page-contact .path-steps a:hover,
.page-contact .visit__meta a:hover {
  color: var(--orange);
}

/* ---------- 两种情况 ---------- */
.page-contact .path-grid {
  display: grid;
  gap: 16px;
}

.page-contact .path-card {
  padding: clamp(18px, 3vw, 26px);
  background: var(--mist);
  border-top: 3px solid var(--mint);
}

.page-contact .path-card--coop {
  border-top-color: var(--orange);
}

.page-contact .path-card__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--ink-2);
}

.page-contact .path-card__sub {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(26, 21, 18, 0.5);
}

.page-contact .path-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .path-steps li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(26, 21, 18, 0.84);
}

.page-contact .path-steps .n {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 4px;
}

/* ---------- 合作 ---------- */
.page-contact .coop-layout {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  align-items: start;
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .coop-item {
  padding: 16px 0;
  border-top: 1px solid var(--line-light);
}

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

.page-contact .coop-item__fit {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .coop-item__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--ink-2);
}

.page-contact .coop-item__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(26, 21, 18, 0.8);
}

.page-contact .coop-item__desc--fit {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(26, 21, 18, 0.6);
}

.page-contact .coop-visual {
  margin: 0;
  background: var(--ink-2);
  overflow: hidden;
}

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

.page-contact .coop-visual__caption {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--silver);
}

/* ---------- 工单材料 ---------- */
.page-contact .prep-grid {
  border-top: 1px solid var(--line-light);
}

.page-contact .prep-item {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-contact .prep-item__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ink-2);
}

.page-contact .prep-item__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(26, 21, 18, 0.82);
}

/* ---------- 到访 ---------- */
.page-contact .visit {
  padding: clamp(18px, 3.5vw, 30px);
  background: var(--mist);
  border-left: 3px solid var(--ink-2);
}

.page-contact .visit__addr {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.5vw, 17px);
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .visit__meta {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-contact .visit__meta dt {
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .visit__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(26, 21, 18, 0.8);
}

/* ---------- 收束带 ---------- */
.page-contact .contact-tail {
  background: var(--ink);
  color: var(--cream);
  padding: clamp(56px, 10vw, 92px) 0 clamp(38px, 6vw, 60px);
  clip-path: polygon(0 14%, 100% 0, 100% 100%, 0 100%);
}

.page-contact .contact-tail__inner {
  display: grid;
  gap: 18px;
  align-items: center;
}

.page-contact .contact-tail__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4vw, 30px);
  letter-spacing: 0.03em;
  color: var(--cream);
}

.page-contact .contact-tail__text {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .contact-tail__btn {
  justify-self: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .path-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .prep-item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .visit__meta {
    grid-template-columns: 1fr 1fr;
    gap: 18px 28px;
  }
}

@media (min-width: 820px) {
  .page-contact .coop-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-contact .contact-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 32px;
  }

  .page-contact .contact-tail__btn {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-body__grid {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .contact-rail__inner {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-panel__row,
  .page-contact .contact-panel__row::after,
  .page-contact .contact-rail__link,
  .page-contact .contact-rail__link::before {
    transition: none;
  }
}
<<<END>>>