.page-contact {
  --contact-rule: rgba(14, 27, 61, .14);
  --contact-soft: rgba(14, 27, 61, .06);
  background: var(--c-paper);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  padding-top: calc(var(--header-h) + clamp(20px, 4vw, 52px));
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 4.5vw, 56px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 6.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--c-night);
  transform: skewX(-3deg);
  transform-origin: left bottom;
  padding-left: 2px;
}

.page-contact .contact-hero__lead .lead {
  margin-top: 24px;
  max-width: 58ch;
}

.page-contact .contact-hero__note {
  margin-top: 18px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-graphite);
  padding-left: 16px;
  border-left: 3px solid var(--c-sand);
}

/* ---------- 合作类型 ---------- */
.page-contact .deal-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 40px);
}

.page-contact .deal {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}

.page-contact .deal:hover {
  transform: translateX(3px);
  border-color: var(--c-sand);
}

.page-contact .deal[open] {
  border-color: var(--c-orange);
  box-shadow: var(--shadow-soft);
}

.page-contact .deal__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-night);
}

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

.page-contact .deal__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-graphite);
}

.page-contact .deal[open] .deal__head::after {
  content: "−";
  color: var(--c-orange-deep);
}

.page-contact .deal__chip {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-white);
  background: var(--c-orange);
}

.page-contact .deal:nth-child(2) .deal__chip {
  background: var(--c-sand);
  color: var(--c-night);
}

.page-contact .deal:nth-child(3) .deal__chip { background: var(--c-indy); }
.page-contact .deal:nth-child(4) .deal__chip { background: var(--c-jade); }

.page-contact .deal__body {
  padding: 0 20px 18px 68px;
}

.page-contact .deal__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-graphite);
}

/* ---------- Hero 侧栏 ---------- */
.page-contact .contact-hero__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .contact-hero__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(140deg, var(--c-dusk), var(--c-sand));
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

.page-contact .media-frame__caption {
  padding: 10px 18px 14px;
  font-size: 13px;
  color: var(--c-graphite);
  background: var(--c-white);
}

.page-contact .contact-quick {
  background: var(--c-night);
  color: var(--c-paper);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--c-orange);
  padding: 20px 24px 22px;
}

.page-contact .contact-quick__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-contact .contact-quick__value {
  margin: 8px 0 0;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-white);
}

.page-contact .contact-quick__meta {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-on-night);
}

/* ---------- 五步流程 ---------- */
.page-contact .contact-flow {
  border-top: 1px solid var(--contact-rule);
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(32px, 4.5vw, 56px);
}

.page-contact .contact-flow__intro .prose {
  margin-top: 20px;
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .step {
  position: relative;
  padding: 0 0 28px 54px;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 44px;
  bottom: 0;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-sand), var(--contact-rule));
}

.page-contact .step:last-child { padding-bottom: 0; }
.page-contact .step:last-child::before { display: none; }

.page-contact .step__panel { position: static; }

.page-contact .step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 0;
  min-height: 36px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--c-night);
}

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

.page-contact .step__head::after {
  content: "▾";
  margin-left: auto;
  font-size: 12px;
  color: var(--c-graphite);
  transition: transform .22s var(--ease);
}

.page-contact .step__panel[open] .step__head::after {
  transform: rotate(180deg);
  color: var(--c-orange-deep);
}

.page-contact .step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-white);
  background: var(--c-orange);
}

.page-contact .step:nth-child(2) .step__num { background: #E0571A; }
.page-contact .step:nth-child(3) .step__num { background: var(--c-orange-deep); }
.page-contact .step:nth-child(4) .step__num { background: var(--c-indy); }
.page-contact .step:nth-child(5) .step__num { background: var(--c-night); }

.page-contact .step__body p {
  margin: 6px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .step__needs {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--c-night);
}

.page-contact .step__needs .mono {
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--c-dusk);
  color: var(--c-orange-deep);
  font-size: 12px;
  letter-spacing: .08em;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-reach {
  background: var(--c-dusk);
}

.page-contact .contact-reach__media {
  margin: 0 0 clamp(28px, 4vw, 46px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-reach__media img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .contact-reach__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .contact-reach__panel .section-title {
  margin-top: 12px;
}

.page-contact .contact-reach__panel .prose {
  margin-top: 18px;
  color: #3B4767;
}

.page-contact .reach-list {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-contact .reach-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .reach-row:last-child {
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .reach-row__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-graphite);
}

.page-contact .reach-row__value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-night);
  word-break: break-word;
}

.page-contact .reach-row__text {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  overflow-wrap: anywhere;
}

.page-contact .reach-copy {
  padding: 4px 14px;
  font-size: 12px;
  line-height: 1.5;
}

.page-contact .contact-reach__aside {
  background: var(--c-night);
  color: var(--c-on-night);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 34px);
  align-self: start;
}

.page-contact .contact-reach__aside-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  color: var(--c-white);
}

.page-contact .reach-guide {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .reach-guide li {
  padding-top: 16px;
  border-top: 1px solid rgba(247, 244, 238, .16);
}

.page-contact .reach-guide li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .reach-guide__tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 217, 102, .16);
  border: 1px solid rgba(255, 217, 102, .38);
  color: var(--c-neon);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-contact .reach-guide p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 准备材料 ---------- */
.page-contact .prep-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .prep-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 24px 22px 26px;
  border-top: 3px solid var(--c-sand);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .prep-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-contact .prep-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-night);
}

.page-contact .prep-card__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-graphite);
}

.page-contact .prep-hint {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 16px 22px;
  border-radius: var(--radius-pill);
  background: var(--c-dusk);
  color: var(--c-night);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-more {
  border-top: 1px solid var(--contact-rule);
}

.page-contact .contact-more__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}

.page-contact .contact-more__intro .prose {
  margin-top: 18px;
}

.page-contact .more-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-contact .more-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 24px;
  border-radius: var(--radius-pill);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  color: var(--c-night);
  text-decoration: none;
  font-size: 15.5px;
  transition: transform .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}

.page-contact .more-links a::after {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--c-orange-deep);
}

.page-contact .more-links a:hover {
  transform: translateX(5px);
  border-color: var(--c-orange);
}

.page-contact .more-links a:focus-visible {
  outline: 3px solid var(--c-neon);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .reach-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .contact-reach__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-more__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>