.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  letter-spacing: .01em;
}

.page-contact p {
  margin: 0;
}

.page-contact .text-link {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid var(--line-light);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------------- 首屏 ---------------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(30px, 6vw, 62px) 0 clamp(44px, 7vw, 82px);
}

.page-contact .contact-hero__backdrop {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-contact .contact-hero__backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% 45%;
  opacity: .48;
  filter: saturate(.82);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(104deg, var(--ink) 20%, rgba(8, 37, 31, .92) 54%, rgba(8, 37, 31, .40) 100%),
    repeating-linear-gradient(90deg, rgba(199, 208, 202, .05) 0 1px, transparent 1px 108px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  z-index: 2;
  background: linear-gradient(90deg, var(--signal) 0 32%, var(--clay) 32% 50%, transparent 50%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 3;
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-contact .contact-hero .eyebrow {
  color: var(--ember);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 7.2vw, 78px);
  line-height: 1.03;
  color: var(--paper);
  margin: 12px 0 20px;
  word-break: break-word;
}

.page-contact .contact-hero .lede {
  max-width: 44ch;
  color: rgba(245, 240, 228, .78);
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.9;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__card {
  background: var(--glass);
  border: 1px solid var(--line-dark-strong);
  border-top: 3px solid var(--signal);
  padding: clamp(18px, 3vw, 28px);
  backdrop-filter: blur(6px);
  min-width: 0;
}

.page-contact .contact-hero__card-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ember);
  margin-bottom: 6px;
}

.page-contact .contact-row {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
  min-width: 0;
}

.page-contact .contact-row__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(199, 208, 202, .74);
}

.page-contact .contact-row__value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 16px);
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-contact a.contact-row__value:hover,
.page-contact a.contact-row__value:focus-visible {
  color: var(--ember);
  border-bottom-color: var(--signal);
}

.page-contact .contact-row__value--text {
  font-family: var(--font-body);
  line-height: 1.6;
}

.page-contact .contact-hero__card-note {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(199, 208, 202, .8);
}

/* ---------------- 章节骨架 ---------------- */
.page-contact .contact-section {
  padding: clamp(48px, 7.5vw, 92px) 0;
}

.page-contact .contact-section__head {
  max-width: 760px;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-no {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  color: var(--clay);
  margin-bottom: 12px;
}

.page-contact .contact-section h2 {
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.24;
  color: var(--ink);
}

.page-contact .contact-section__sub {
  margin-top: 12px;
  color: var(--slate);
  font-size: clamp(15px, 1.7vw, 17px);
  max-width: 58ch;
}

/* ---------------- 合作方向 ---------------- */
.page-contact .direction-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-light);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.page-contact .direction {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 0 14px;
  background: var(--paper);
  padding: clamp(18px, 3vw, 28px) clamp(14px, 2.4vw, 26px);
  transition: background var(--dur-base) var(--ease);
}

.page-contact .direction::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-base) var(--ease);
}

.page-contact .direction:hover,
.page-contact .direction:focus-within {
  background: var(--moss-wash);
}

.page-contact .direction:hover::before,
.page-contact .direction:focus-within::before {
  transform: scaleY(1);
}

.page-contact .direction__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--clay);
  padding-top: 4px;
}

.page-contact .direction__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 21px);
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
}

.page-contact .direction__text {
  color: var(--slate);
  font-size: 15.5px;
  line-height: 1.82;
}

/* ---------------- 咨询准备 ---------------- */
.page-contact .contact-section--prepare {
  background: linear-gradient(180deg, var(--paper) 0%, #EFE8D9 100%);
}

.page-contact .prepare-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-contact .prepare-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: var(--moss-wash);
}

.page-contact .prepare-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .prepare-figure__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--ink);
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 8px 14px;
  max-width: 100%;
}

.page-contact .prepare-body {
  min-width: 0;
}

.page-contact .prepare-intro {
  margin: 16px 0 0;
  color: var(--slate);
  font-size: 16px;
  max-width: 46ch;
}

.page-contact .prepare-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .prepare-list li {
  padding-left: 16px;
  border-left: 2px solid var(--clay);
  color: var(--slate);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .prepare-list strong {
  display: block;
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 2px;
}

.page-contact .prepare-tail {
  margin-top: 22px;
  font-size: 14.5px;
  color: var(--slate);
  padding: 12px 16px;
  background: var(--signal-wash);
  border-left: 3px solid var(--signal);
}

/* ---------------- 联系渠道 ---------------- */
.page-contact .channel-grid {
  display: grid;
  gap: 14px;
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--paper);
  border: 1px solid var(--line-light);
  border-top: 3px solid var(--steel);
  padding: clamp(18px, 2.6vw, 26px);
  transition: border-color var(--dur-fast) var(--ease), border-top-color var(--dur-fast) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--signal);
  border-top-color: var(--signal);
}

.page-contact .channel-card .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-contact .channel-card__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--address {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.65;
}

.page-contact .channel-card__text {
  color: var(--slate);
  font-size: 14.8px;
  line-height: 1.8;
}

.page-contact .channels-foot {
  margin-top: clamp(24px, 3.4vw, 34px);
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
  color: var(--slate);
  font-size: 15px;
  max-width: 74ch;
}

/* ---------------- 合作流程 ---------------- */
.page-contact .contact-section--flow {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-section__head--onDark h2 {
  color: var(--paper);
}

.page-contact .contact-section__head--onDark .contact-no {
  color: var(--ember);
}

.page-contact .contact-section__head--onDark .contact-section__sub {
  color: rgba(199, 208, 202, .82);
}

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

.page-contact .flow__step {
  position: relative;
  margin-left: 30px;
  padding: 0 0 32px 26px;
  border-left: 2px solid rgba(199, 208, 202, .22);
}

.page-contact .flow__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow__no {
  position: absolute;
  left: 0;
  top: -3px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--signal);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1;
  padding: 4px 8px;
}

.page-contact .flow__title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  color: var(--paper);
  margin-bottom: 6px;
}

.page-contact .flow__text {
  color: rgba(199, 208, 202, .82);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 52ch;
}

/* ---------------- 回复节奏 ---------------- */
.page-contact .reply-panel {
  background: linear-gradient(135deg, var(--signal-wash), transparent 62%), var(--paper);
  border: 1px solid var(--line-light);
  border-left: 6px solid var(--signal);
  padding: clamp(22px, 4vw, 42px);
}

.page-contact .reply-panel h2 {
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.26;
  color: var(--ink);
}

.page-contact .reply-lead {
  margin-top: 14px;
  color: var(--slate);
  font-size: clamp(15px, 1.7vw, 16.5px);
  max-width: 60ch;
}

.page-contact .reply-facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-contact .reply-facts li {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 10px;
  color: var(--slate);
  font-size: 15.5px;
  line-height: 1.82;
}

.page-contact .reply-facts li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 12px;
  background: var(--signal);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

/* ---------------- 响应式 ---------------- */
@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .direction {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 0 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

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

  .page-contact .flow {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 48px;
  }

  .page-contact .flow__step,
  .page-contact .flow__step:last-child {
    padding-bottom: 0;
    border-left-color: transparent;
    margin-left: 0;
    padding-left: 0;
  }

  .page-contact .flow__no {
    position: static;
    transform: none;
    display: block;
    background: none;
    padding: 0;
    margin-bottom: 10px;
    font-size: 30px;
    color: var(--signal);
  }

  .page-contact .flow__step::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -18px;
    width: 46px;
    height: 2px;
    background: var(--signal);
  }

  .page-contact .flow__step:last-child::after {
    display: none;
  }
}

@media (min-width: 1080px) {
  .page-contact .direction__text {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .direction,
  .page-contact .direction::before,
  .page-contact .channel-card,
  .page-contact .text-link,
  .page-contact .contact-row__value {
    transition: none;
  }
}
<<<END>>>