.page-contact {
  --contact-gap: clamp(1.25rem, 3.4vw, 2.25rem);
  --contact-line: 1px solid var(--stone-200);
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
}

.page-contact .contact-crumb {
  padding-top: clamp(1.15rem, 4vw, 2rem);
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: .5rem;
  color: var(--stone-200);
}

.page-contact .breadcrumbs a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--amber-500);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--graphite-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.25rem, 5.5vw, 3.75rem);
  background: linear-gradient(168deg, var(--paper-2) 0%, var(--paper) 64%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(56vw, 640px);
  height: 100%;
  background: linear-gradient(150deg, rgba(224, 163, 62, .16), rgba(224, 163, 62, 0) 62%);
  transform: skewX(-12deg) translateX(-22%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 34%;
  height: 2px;
  background: var(--amber-500);
  opacity: .7;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .kicker {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.page-contact .contact-hero h1 {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--ink-900);
  max-width: 16em;
}

.page-contact .contact-hero__intro {
  margin: 0 0 1.35rem;
  max-width: 30em;
  font-size: var(--fs-md);
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .contact-hero__meta {
  margin: 0;
  padding-top: 1rem;
  border-top: var(--contact-line);
  font-size: var(--fs-sm);
  letter-spacing: .08em;
  color: var(--graphite-soft);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: var(--contact-line);
  background: var(--paper-2);
  padding: 10px;
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  top: -6px;
  right: -6px;
  width: 26px;
  height: 26px;
  border-top: 2px solid var(--amber-500);
  border-right: 2px solid var(--amber-500);
}

.page-contact .contact-hero__figure img,
.page-contact .contact-prep__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-caption {
  margin-top: .7rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--graphite-soft);
}

/* ---------- 两条通道 ---------- */
.page-contact .contact-channels {
  padding: clamp(1rem, 3vw, 1.5rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .contact-channels__pair {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-channels__divider {
  display: none;
  background: linear-gradient(180deg, transparent, var(--stone-200) 14%, var(--stone-200) 86%, transparent);
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(1.4rem, 4vw, 2.25rem);
  background: var(--paper-2);
  border: var(--contact-line);
  box-shadow: var(--shadow-sheet);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 46px;
  background: var(--ink-900);
}

.page-contact .channel-card__tag {
  position: absolute;
  top: 0;
  right: 0;
}

.page-contact .channel-card__title {
  margin: 0 0 1.1rem;
  padding-right: 5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink-900);
}

.page-contact .channel-card__value {
  display: block;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(.95rem, 4.1vw, 1.55rem);
  letter-spacing: .02em;
  color: var(--ink-700);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid var(--amber-300);
  padding-bottom: .35rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--amber-500);
}

.page-contact .channel-card__desc {
  margin: 0 0 1.35rem;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .channel-card__facts {
  display: grid;
  gap: .55rem;
  margin: 0;
  padding-top: 1rem;
  border-top: var(--contact-line);
}

.page-contact .channel-card__facts > div {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: .75rem;
  align-items: baseline;
}

.page-contact .channel-card__facts dt {
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--sage-500);
}

.page-contact .channel-card__facts dd {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 准备材料 ---------- */
.page-contact .contact-prep {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  background: var(--stone-100);
  border-top: var(--contact-line);
  border-bottom: var(--contact-line);
}

.page-contact .section-head {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
  border-top: 2px solid var(--ink-900);
  padding-top: 1rem;
}

.page-contact .section-head__index {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: var(--fs-lg);
  letter-spacing: .12em;
  color: var(--sage-500);
}

.page-contact .section-head__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.2vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -.005em;
  color: var(--ink-900);
}

.page-contact .section-head__note {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--graphite-soft);
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-contact .prep-card {
  position: relative;
  padding: 1.35rem 1.25rem 1.5rem;
  background: var(--paper-2);
  border: var(--contact-line);
  border-top: 2px solid var(--amber-500);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .prep-card__num {
  display: inline-block;
  margin-bottom: .7rem;
  padding: .1rem .5rem;
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--paper-2);
  background: var(--ink-900);
}

.page-contact .prep-card h3 {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  line-height: 1.35;
  color: var(--ink-900);
}

.page-contact .prep-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .prep-card__example {
  margin-top: .75rem !important;
  padding-top: .7rem;
  border-top: 1px dashed var(--stone-200);
  font-family: var(--font-mono);
  font-size: var(--fs-xs) !important;
  letter-spacing: .03em;
  color: var(--ink-500) !important;
}

.page-contact .contact-prep__figure {
  margin: 0;
  padding: 10px;
  background: var(--paper-2);
  border: var(--contact-line);
}

/* ---------- 按类型选渠道 ---------- */
.page-contact .contact-cases {
  padding: clamp(2.25rem, 6vw, 4rem) 0;
}

.page-contact .case-index {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-contact .case-index a {
  display: inline-block;
  padding: .45rem .95rem;
  border: var(--contact-line);
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  color: var(--ink-700);
  text-decoration: none;
  background: var(--paper-2);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .case-index a:hover,
.page-contact .case-index a:focus-visible {
  color: var(--ink-900);
  border-color: var(--amber-500);
  background: rgba(242, 200, 121, .22);
}

.page-contact .case-list {
  display: grid;
  gap: 0;
}

.page-contact .case-item {
  padding: clamp(1.25rem, 3vw, 1.9rem) 0;
  border-top: var(--contact-line);
  display: grid;
  gap: .9rem;
}

.page-contact .case-item:last-child {
  border-bottom: var(--contact-line);
}

.page-contact .case-item__head {
  display: flex;
  align-items: baseline;
  gap: .75rem;
}

.page-contact .case-item__no {
  font-size: var(--fs-sm);
  letter-spacing: .1em;
  color: var(--sage-500);
  flex: none;
}

.page-contact .case-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 3.2vw, 1.35rem);
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .case-item__body p {
  margin: 0 0 .9rem;
  max-width: 36em;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .case-item__meta {
  display: grid;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .case-item__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--graphite-soft);
}

.page-contact .case-item__meta a {
  color: var(--ink-500);
  text-decoration: none;
  border-bottom: 1px solid var(--stone-200);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .case-item__meta a:hover,
.page-contact .case-item__meta a:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--amber-500);
}

/* ---------- 办公地址 ---------- */
.page-contact .contact-visit {
  position: relative;
  padding: clamp(2.25rem, 6vw, 3.75rem) 0;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 64px),
    linear-gradient(160deg, var(--ink-700), var(--ink-900));
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-visit::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(242, 200, 121, .35);
  transform: rotate(18deg);
  pointer-events: none;
}

.page-contact .contact-visit__inner {
  position: relative;
  max-width: 40em;
}

.page-contact .contact-visit .kicker {
  color: var(--amber-300);
}

.page-contact .contact-visit h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.4vw, 2.15rem);
  line-height: 1.24;
  color: var(--paper-2);
}

.page-contact .contact-visit__address {
  margin: 0 0 1.1rem;
  padding: .85rem 0 .85rem 1rem;
  border-left: 3px solid var(--amber-500);
  font-family: var(--font-mono);
  font-size: clamp(.9rem, 2.6vw, 1.15rem);
  letter-spacing: .04em;
  color: var(--amber-300);
  overflow-wrap: anywhere;
}

.page-contact .contact-visit__desc {
  margin: 0 0 1.1rem;
  font-size: var(--fs-base);
  line-height: 1.8;
  color: rgba(247, 244, 236, .88);
}

.page-contact .contact-visit__note {
  margin: 0;
  padding-top: .9rem;
  border-top: 1px solid rgba(217, 222, 226, .25);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: rgba(247, 244, 236, .7);
}

/* ---------- 其他入口 ---------- */
.page-contact .contact-more {
  padding: clamp(2.25rem, 6vw, 4rem) 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .contact-more__grid {
  display: grid;
  gap: .75rem;
}

.page-contact .more-link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no title"
    "note note";
  gap: .35rem .8rem;
  padding: 1.1rem 1.15rem;
  background: var(--paper-2);
  border: var(--contact-line);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  transform: translateY(-3px);
  border-color: var(--amber-500);
  box-shadow: var(--shadow-sheet);
}

.page-contact .more-link__no {
  grid-area: no;
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--sage-500);
  align-self: center;
}

.page-contact .more-link__title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--ink-900);
}

.page-contact .more-link__note {
  grid-area: note;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--graphite-soft);
}

/* ---------- 收口 ---------- */
.page-contact .contact-close {
  padding: 0 0 clamp(2rem, 5vw, 3rem);
}

.page-contact .contact-close p {
  margin: 0;
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink-900);
  max-width: 38em;
  font-size: var(--fs-md);
  line-height: 1.78;
  color: var(--ink-900);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
  }

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

  .page-contact .case-item {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .contact-channels__pair {
    grid-template-columns: minmax(0, 1fr) 1px minmax(0, 1fr);
    gap: clamp(1.5rem, 3.6vw, 2.75rem);
    align-items: stretch;
  }

  .page-contact .contact-channels__divider {
    display: block;
  }

  .page-contact .channel-card {
    display: flex;
    flex-direction: column;
  }

  .page-contact .channel-card__facts {
    margin-top: auto;
  }

  .page-contact .case-item {
    grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
    gap: clamp(1.5rem, 3.6vw, 3rem);
    align-items: start;
  }

  .page-contact .contact-more__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-prep__figure {
    max-width: 62%;
  }
}

@media (hover: hover) and (min-width: 760px) {
  .page-contact .prep-card:hover,
  .page-contact .prep-card:focus-within {
    transform: translateY(-6px);
    box-shadow: var(--shadow-float);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .prep-card,
  .page-contact .more-link,
  .page-contact .channel-card__value,
  .page-contact .case-index a {
    transition: none;
  }

  .page-contact .prep-card:hover,
  .page-contact .more-link:hover {
    transform: none;
  }
}
<<<END>>>