.page-contact {
  --contact-card: rgba(255, 255, 255, .46);
  --contact-line: rgba(30, 23, 20, .16);
  --contact-line-dark: rgba(143, 163, 184, .24);
  --contact-lead: rgba(244, 235, 221, .82);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: var(--sp-6) var(--sp-8);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: var(--sp-6);
}

.page-contact .contact-hero__title {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  margin: var(--sp-4) 0 0;
  max-width: var(--w-text);
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--contact-lead);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-soft);
}

.page-contact .figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .figure__caption {
  margin-top: var(--sp-3);
  font-size: .78rem;
  line-height: 1.6;
  color: var(--mist);
  letter-spacing: .02em;
}

/* ---------- 渠道总览 ---------- */
.page-contact .contact-channels,
.page-contact .contact-fix,
.page-contact .contact-flow,
.page-contact .contact-partner {
  padding-block: var(--sp-8);
}

.page-contact .section-intro {
  margin: var(--sp-3) 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(30, 23, 20, .78);
}

.page-contact .section-head__index {
  color: var(--orange);
}

.page-contact .channel-grid {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius-lg);
  background: var(--contact-card);
  color: var(--brown);
}

.page-contact .channel-card--mail {
  border-color: var(--ink);
  border-left: 4px solid var(--orange);
  background: var(--ink);
  color: var(--paper);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.page-contact .channel-card__index {
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-contact .channel-card--mail .channel-card__index {
  color: var(--cyan);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 1rem;
  letter-spacing: .02em;
  word-break: break-all;
  color: var(--orange);
}

.page-contact .channel-card--mail .channel-card__value {
  color: var(--cyan);
}

.page-contact .channel-card__value--plain {
  font-size: .92rem;
  line-height: 1.7;
  color: var(--brown);
}

.page-contact .channel-card__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: rgba(30, 23, 20, .8);
}

.page-contact .channel-card--mail .channel-card__text {
  color: var(--contact-lead);
}

.page-contact .channel-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: auto;
  padding-top: var(--sp-2);
}

.page-contact .copy-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--contact-line-dark);
  border-radius: var(--radius);
  background: var(--glass-fill);
  color: var(--paper);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .channel-card--mail .copy-chip {
  border-color: rgba(53, 240, 208, .32);
  background: var(--glass-fill-strong);
}

.page-contact .copy-chip:hover,
.page-contact .copy-chip:focus-visible {
  border-color: var(--cyan);
  background: var(--glass-fill-strong);
  outline: none;
}

.page-contact .copy-chip__value {
  font-size: .9rem;
  letter-spacing: .02em;
  word-break: break-all;
}

.page-contact .copy-chip__hint {
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .copy-chip[data-copied] .copy-chip__hint {
  color: var(--cyan);
}

.page-contact .channel-card__link {
  font-size: .875rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .4);
  padding-bottom: 2px;
}

.page-contact .channel-card__link:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .channel-note {
  margin: var(--sp-5) 0 0;
  padding: var(--sp-4) var(--sp-5);
  border-left: 3px solid var(--orange);
  background: rgba(255, 107, 53, .09);
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(30, 23, 20, .82);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  color: var(--paper);
}

.page-contact .flow-steps {
  list-style: none;
  margin: var(--sp-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-4);
}

.page-contact .flow-step {
  position: relative;
  padding: var(--sp-5) var(--sp-4) var(--sp-4);
  border-top: 2px solid var(--contact-line-dark);
  background: var(--glass-fill);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 240, 208, .16);
}

.page-contact .flow-step:first-child::before {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, .2);
}

.page-contact .flow-step__num {
  display: block;
  font-size: .8rem;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .flow-step__title {
  margin: var(--sp-2) 0 var(--sp-2);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--contact-lead);
}

.page-contact .contact-flow__figure {
  margin: var(--sp-6) 0 0;
}

/* ---------- 纠错清单 ---------- */
.page-contact .contact-fix__inner {
  display: grid;
  gap: var(--sp-6);
}

.page-contact .contact-fix__title {
  margin: var(--sp-3) 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.6vw, 2.2rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: var(--brown);
}

.page-contact .contact-fix__text {
  margin: var(--sp-4) 0 0;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(30, 23, 20, .8);
}

.page-contact .contact-fix__tip {
  margin: var(--sp-4) 0 0;
  padding: var(--sp-4);
  border: 1px dashed var(--contact-line);
  border-radius: var(--radius);
  background: var(--mint);
  font-size: .875rem;
  line-height: 1.72;
  color: rgba(30, 23, 20, .84);
}

.page-contact .checklist-wrap__title {
  margin: 0 0 var(--sp-3);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-contact .checklist__item {
  position: relative;
}

.page-contact .checklist__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-contact .checklist__label {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: var(--contact-card);
  font-size: .9375rem;
  line-height: 1.68;
  color: rgba(30, 23, 20, .86);
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .checklist__label:hover {
  border-color: var(--mist);
}

.page-contact .checklist__box {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1.5px solid var(--mist);
  border-radius: 2px;
  background: #fff;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .checklist__text strong {
  font-weight: 700;
  color: var(--brown);
}

.page-contact .checklist__input:checked + .checklist__label {
  border-color: var(--cyan);
  background: rgba(53, 240, 208, .13);
}

.page-contact .checklist__input:checked + .checklist__label .checklist__box {
  border-color: var(--cyan);
  background: var(--cyan);
}

.page-contact .checklist__input:checked + .checklist__label .checklist__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--on-cyan);
  border-width: 0 2px 2px 0;
  transform: rotate(42deg);
}

.page-contact .checklist__input:focus-visible + .checklist__label {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 合作与自助 ---------- */
.page-contact .contact-partner__inner {
  display: grid;
  gap: var(--sp-5);
}

.page-contact .partner-card {
  padding: var(--sp-6);
  border: 1px solid var(--contact-line-dark);
  border-radius: var(--radius-lg);
  background: var(--glass-fill);
  color: var(--paper);
}

.page-contact .partner-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .partner-card__text {
  margin: var(--sp-4) 0 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--contact-lead);
}

.page-contact .partner-list {
  list-style: none;
  margin: var(--sp-5) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-contact .partner-list li {
  position: relative;
  padding-left: var(--sp-5);
  font-size: .9rem;
  line-height: 1.7;
  color: var(--contact-lead);
}

.page-contact .partner-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 700;
}

.page-contact .partner-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-contact .partner-card__cta {
  margin-top: var(--sp-5);
}

.page-contact .self-card {
  padding: var(--sp-6);
  border-radius: var(--radius-lg);
  background: var(--paper);
  color: var(--brown);
}

.page-contact .self-card__label {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .self-card__title {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--brown);
}

.page-contact .self-card__text {
  margin: var(--sp-4) 0 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: rgba(30, 23, 20, .8);
}

.page-contact .self-links {
  display: grid;
  gap: 1px;
  margin-top: var(--sp-5);
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .self-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: var(--paper);
  text-decoration: none;
  transition: background .2s var(--ease);
}

.page-contact .self-link:hover,
.page-contact .self-link:focus-visible {
  background: rgba(53, 240, 208, .16);
  outline: none;
}

.page-contact .self-link__label {
  font-weight: 700;
  font-size: .95rem;
  color: var(--brown);
}

.page-contact .self-link__note {
  font-size: .78rem;
  color: rgba(30, 23, 20, .62);
}

.page-contact .self-card__foot {
  margin: var(--sp-4) 0 0;
  font-size: .86rem;
  line-height: 1.7;
  color: rgba(30, 23, 20, .68);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-signoff {
  margin-block: 0 var(--sp-8);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--contact-line-dark);
  font-size: .9rem;
  line-height: 1.78;
  color: var(--contact-lead);
}

.page-contact .contact-signoff__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, .45);
}

.page-contact .contact-signoff__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-4) var(--sp-5);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: var(--sp-7) var(--sp-9);
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
    gap: var(--sp-7);
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.25fr .9fr .85fr;
  }

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

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

  .page-contact .flow-step {
    padding: var(--sp-5) var(--sp-4);
  }

  .page-contact .flow-step + .flow-step {
    border-left: 1px solid var(--contact-line-dark);
  }

  .page-contact .contact-fix__inner {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: var(--sp-7);
    align-items: start;
  }

  .page-contact .contact-partner__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: var(--sp-5);
  }

  .page-contact .partner-card,
  .page-contact .self-card {
    padding: var(--sp-7);
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__title {
    font-size: 3.4rem;
  }

  .page-contact .contact-flow__figure {
    margin-top: var(--sp-7);
  }
}
<<<END>>>