.page-contact {
  --contact-line: var(--bw-bold) solid var(--ink-900);
  background: var(--foam-50);
  color: var(--ink-900);
}

.page-contact .contact-crumbs {
  padding-block: 1rem 0.2rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep-900);
  color: var(--foam-50);
  border-bottom: var(--bw-bold) solid var(--ink-900);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -25% -12%;
  background: repeating-linear-gradient(
    115deg,
    rgba(232, 183, 91, 0.14) 0 12px,
    transparent 12px 46px
  );
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.6rem;
  padding-block: clamp(1.8rem, 5vw, 3.2rem);
}

.page-contact .contact-hero .eyebrow {
  color: var(--sand-400);
}

.page-contact .contact-hero h1 {
  margin: 0.5rem 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 7vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: rgba(247, 245, 239, 0.88);
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-fact {
  padding-left: 0.7rem;
  border-left: var(--bw) solid var(--coral-500);
}

.page-contact .hero-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-21);
  font-weight: 600;
  color: var(--sand-400);
  font-variant-numeric: tabular-nums;
}

.page-contact .hero-fact__label {
  display: block;
  margin-top: 0.15rem;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--deep-300);
}

.page-contact .contact-hero__media {
  border: var(--bw-bold) solid var(--coral-500);
  background: var(--deep-700);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-hero__media .media__caption {
  padding: 0.55rem 0.75rem;
  margin: 0;
  font-size: var(--fs-12);
  color: var(--coral-200);
  background: var(--deep-900);
  border-top: var(--bw) solid var(--coral-500);
}

/* ---------- 通用小节间距 ---------- */
.page-contact .contact-channels,
.page-contact .contact-types,
.page-contact .contact-collab,
.page-contact .contact-flow {
  padding-block: clamp(2.2rem, 5vw, 3.6rem);
}

/* ---------- 三条通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  margin-top: 1.5rem;
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.35rem 1.2rem 1.5rem;
  border: var(--contact-line);
  box-shadow: var(--shadow-hard);
  background: var(--foam-50);
}

.page-contact .channel__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--deep-700);
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-21);
  font-weight: 800;
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.3rem);
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: anywhere;
  color: var(--clay-500);
}

.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-contact .channel__note {
  margin: 0;
  padding: 0.7rem 0.8rem;
  font-size: var(--fs-14);
  line-height: 1.65;
  background: var(--coral-200);
  border-left: var(--bw-bold) solid var(--coral-500);
  color: var(--ink-900);
}

.page-contact .channel__cta {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 0.5rem;
}

.page-contact .channel--mail {
  background: var(--deep-900);
  color: var(--foam-50);
}

.page-contact .channel--mail .channel__kicker {
  color: var(--sand-400);
}

.page-contact .channel--mail .channel__value {
  font-size: clamp(1.05rem, 4vw, 1.5rem);
  color: var(--foam-50);
  border-bottom: var(--bw) dashed var(--coral-500);
  padding-bottom: 0.45rem;
}

.page-contact .channel--mail .channel__desc {
  color: rgba(247, 245, 239, 0.86);
}

.page-contact .channel--phone {
  border-left: 10px solid var(--coral-500);
}

.page-contact .channel--addr {
  border-left: 10px solid var(--sand-400);
}

/* ---------- 加急折叠 ---------- */
.page-contact .urgent {
  margin-top: 1.5rem;
  border: var(--contact-line);
  background: var(--coral-200);
  box-shadow: var(--shadow-soft);
}

.page-contact .urgent__summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.1rem;
  font-family: var(--font-display);
  font-size: var(--fs-17);
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.page-contact .urgent__summary::-webkit-details-marker {
  display: none;
}

.page-contact .urgent__summary::before {
  content: "▶";
  font-size: 0.7rem;
  color: var(--clay-500);
  transition: transform var(--dur) var(--ease);
}

.page-contact .urgent[open] .urgent__summary::before {
  transform: rotate(90deg);
}

.page-contact .urgent__body {
  padding: 0 1.1rem 1.15rem;
  border-top: var(--bw) solid var(--ink-900);
  padding-top: 0.9rem;
}

.page-contact .urgent__body p {
  margin: 0 0 0.75rem;
  font-size: var(--fs-17);
  line-height: 1.75;
}

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

.page-contact .urgent__sample {
  padding: 0.65rem 0.8rem;
  background: var(--deep-900);
  color: var(--sand-400);
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.page-contact .urgent__sample-note {
  font-size: var(--fs-14);
  color: var(--deep-900);
}

/* ---------- 四类咨询 ---------- */
.page-contact .type-list {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
  border: var(--contact-line);
  box-shadow: var(--shadow-hard);
  background: var(--foam-50);
}

.page-contact .type-item {
  display: grid;
  gap: 0.6rem;
  padding: 1.25rem 1.1rem 1.35rem;
  border-top: var(--bw) solid var(--ink-900);
  border-left: 10px solid var(--deep-700);
}

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

.page-contact .type-item--a {
  border-left-color: var(--coral-500);
}

.page-contact .type-item--b {
  border-left-color: var(--sand-400);
}

.page-contact .type-item--c {
  border-left-color: var(--moss-500);
}

.page-contact .type-item--d {
  border-left-color: var(--clay-500);
}

.page-contact .type-item__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--rock-400);
}

.page-contact .type-item__main {
  display: grid;
  gap: 0.5rem;
}

.page-contact .type-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-21);
  font-weight: 800;
}

.page-contact .type-item__fit,
.page-contact .type-item__route {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
}

.page-contact .type-item__route {
  padding-left: 0.75rem;
  border-left: var(--bw) solid var(--deep-300);
  color: var(--deep-700);
  font-weight: 500;
}

.page-contact .type-item__route a {
  color: var(--clay-500);
  text-underline-offset: 3px;
}

.page-contact .type-item__prep {
  padding: 0.8rem 0.9rem;
  background: rgba(127, 176, 201, 0.16);
  border: var(--bw) solid var(--ink-900);
}

.page-contact .type-item__prep-title {
  margin: 0 0 0.5rem;
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--deep-700);
}

.page-contact .type-item__list {
  margin: 0;
  padding-left: 1.05rem;
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-contact .type-item__list li {
  margin-bottom: 0.25rem;
}

.page-contact .type-item__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 协作方 ---------- */
.page-contact .contact-collab {
  background: var(--deep-700);
  color: var(--foam-50);
  border-top: var(--bw-bold) solid var(--ink-900);
  border-bottom: var(--bw-bold) solid var(--ink-900);
}

.page-contact .collab {
  display: grid;
  gap: 1.6rem;
}

.page-contact .collab .eyebrow--light {
  color: var(--sand-400);
}

.page-contact .collab__title {
  margin: 0.45rem 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.6vw, 2.3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .collab__lede {
  margin: 0 0 1.1rem;
  max-width: 52ch;
  font-size: var(--fs-17);
  line-height: 1.8;
  color: rgba(247, 245, 239, 0.9);
}

.page-contact .collab__list {
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.page-contact .collab__list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: var(--fs-17);
  line-height: 1.65;
}

.page-contact .collab__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 10px;
  height: 10px;
  background: var(--coral-500);
  border: 2px solid var(--foam-50);
}

.page-contact .collab__foot {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--coral-200);
}

.page-contact .collab__foot a {
  color: var(--sand-400);
  text-underline-offset: 3px;
}

.page-contact .collab__media {
  margin: 0;
  border: var(--bw-bold) solid var(--sand-400);
  background: var(--deep-900);
}

.page-contact .collab__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .collab__media .media__caption {
  padding: 0.55rem 0.75rem;
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.5;
  color: rgba(247, 245, 239, 0.8);
  border-top: var(--bw) solid var(--sand-400);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow__inner {
  display: grid;
  gap: 1.2rem;
}

.page-contact .flow-steps {
  margin: 0.6rem 0 0 0.4rem;
  padding: 0 0 0 1.35rem;
  list-style: none;
  border-left: var(--bw-bold) solid var(--deep-300);
}

.page-contact .flow-step {
  position: relative;
  padding-bottom: 1.6rem;
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -1.78rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  background: var(--coral-500);
  border: 2px solid var(--ink-900);
}

.page-contact .flow-step__idx {
  margin: 0 0 0.25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--clay-500);
}

.page-contact .flow-step__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: var(--fs-21);
  font-weight: 800;
}

.page-contact .flow-step__body {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-17);
  line-height: 1.8;
}

/* ---------- 收束 ---------- */
.page-contact .contact-closing {
  border-top: var(--bw-bold) solid var(--ink-900);
  background: var(--foam-50);
  padding-block: 1.5rem 2rem;
}

.page-contact .contact-closing__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.6rem;
  align-items: center;
  justify-content: space-between;
}

.page-contact .contact-closing__line {
  margin: 0;
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--deep-700);
}

.page-contact .contact-closing__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.1rem;
  align-items: center;
}

.page-contact .contact-closing__link {
  font-size: var(--fs-14);
  color: var(--ink-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-closing__link:hover {
  color: var(--clay-500);
}

.page-contact .contact-closing__icp {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--rock-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__inner {
    gap: 1.8rem;
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 2.4rem;
    padding-block: 3rem 3.4rem;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    align-items: stretch;
    gap: 1.25rem;
  }

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

  .page-contact .type-item {
    grid-template-columns: 3.4rem minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 0 1.4rem;
    align-items: start;
    padding: 1.5rem 1.6rem;
  }

  .page-contact .type-item__num {
    grid-row: span 2;
    padding-top: 0.3rem;
  }

  .page-contact .collab {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.8fr);
    align-items: center;
    gap: 2.2rem;
  }

  .page-contact .contact-flow__inner {
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
    gap: 2.2rem;
    align-items: start;
  }

  .page-contact .flow-steps {
    margin-top: 0;
    padding-left: 1.6rem;
  }
}

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