.page-contact {
  --c-line: rgba(217, 198, 168, 0.85);
  --c-diagonal: 12deg;
  background: var(--sk-sand);
  color: var(--sk-ink);
}

/* ---------- 页内章节索引 ---------- */
.page-contact .c-rail {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: var(--sk-glass);
  border: 1px solid var(--sk-glass-edge);
  border-radius: var(--sk-radius);
  backdrop-filter: blur(6px);
}

@media (min-width: 1380px) {
  .page-contact .c-rail {
    display: flex;
  }
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  padding-block: clamp(20px, 3.4vw, 38px) clamp(38px, 6vw, 76px);
  background: var(--sk-sand);
}

.page-contact .c-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(217, 198, 168, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(217, 198, 168, 0.5) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.25) 62%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.25) 62%, transparent 88%);
  pointer-events: none;
}

.page-contact .c-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .c-hero__head {
  max-width: 46rem;
  margin-top: clamp(16px, 3vw, 28px);
}

.page-contact .c-hero__title {
  margin: 12px 0 16px;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .c-hero__lead {
  margin: 0;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: var(--sk-muted);
}

@media (max-width: 560px) {
  .page-contact .c-hero__title br {
    display: none;
  }
}

/* ---------- 三条渠道面板 ---------- */
.page-contact .c-channels {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4.5vw, 48px);
}

@media (min-width: 900px) {
  .page-contact .c-channels {
    grid-template-columns: 1.12fr 0.94fr 1.1fr;
    gap: 18px;
    align-items: stretch;
  }

  .page-contact .c-channel--tel {
    transform: translateY(-14px);
  }
}

.page-contact .c-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 22px;
  border: 1px solid var(--sk-grit);
  border-radius: var(--sk-radius-lg);
  transition: transform var(--sk-dur) var(--sk-ease), box-shadow var(--sk-dur) var(--sk-ease);
}

.page-contact .c-channel:hover,
.page-contact .c-channel:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(30, 27, 22, 0.12);
}

.page-contact .c-channel--mail {
  background: var(--sk-sand-deep);
  color: var(--sk-ink);
}

.page-contact .c-channel--tel {
  background: var(--sk-gold);
  border-color: #b3812f;
  color: var(--sk-green);
}

.page-contact .c-channel--addr {
  background: var(--sk-green);
  border-color: var(--sk-green-mid);
  color: var(--sk-white);
}

.page-contact .c-channel__label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid currentColor;
  font-family: var(--sk-font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  opacity: 0.86;
}

.page-contact .c-channel__no {
  padding: 2px 6px;
  background: rgba(255, 253, 248, 0.55);
  border-radius: 2px;
  color: var(--sk-red-deep);
}

.page-contact .c-channel--addr .c-channel__no {
  background: rgba(230, 198, 140, 0.22);
  color: var(--sk-gold-light);
}

.page-contact .c-channel__value {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}

.page-contact .c-channel--mail .c-channel__value {
  font-size: clamp(0.92rem, 2.4vw, 1.04rem);
  letter-spacing: 0.01em;
}

.page-contact .c-channel--mail .c-channel__value a {
  color: var(--sk-red-deep);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  text-decoration-color: rgba(122, 44, 27, 0.4);
  transition: text-decoration-color var(--sk-dur) var(--sk-ease), color var(--sk-dur) var(--sk-ease);
}

.page-contact .c-channel--mail .c-channel__value a:hover,
.page-contact .c-channel--mail .c-channel__value a:focus-visible {
  color: var(--sk-red);
  text-decoration-color: var(--sk-red);
}

.page-contact .c-channel--tel .c-channel__value {
  font-size: clamp(1.5rem, 4.4vw, 1.95rem);
  letter-spacing: 0.02em;
}

.page-contact .c-channel--tel .c-channel__value a {
  color: var(--sk-green);
  text-decoration: none;
  border-bottom: 2px solid rgba(18, 53, 44, 0.35);
  transition: border-color var(--sk-dur) var(--sk-ease);
}

.page-contact .c-channel--tel .c-channel__value a:hover,
.page-contact .c-channel--tel .c-channel__value a:focus-visible {
  border-bottom-color: var(--sk-green);
}

.page-contact .c-channel__value--addr {
  font-size: clamp(0.86rem, 2.3vw, 0.96rem);
  line-height: 1.95;
  letter-spacing: 0.03em;
}

.page-contact .c-channel__use {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  opacity: 0.9;
}

.page-contact .c-channel__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(30, 27, 22, 0.22);
  font-family: var(--sk-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  opacity: 0.82;
}

.page-contact .c-channel--addr .c-channel__meta {
  border-top-color: rgba(230, 198, 140, 0.4);
}

/* ---------- 通栏氛围图 ---------- */
.page-contact .c-band {
  margin: 0;
  position: relative;
  background: var(--sk-sand-deep);
  border-block: 1px solid var(--sk-grit);
}

.page-contact .c-band img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 330px);
  object-fit: cover;
  max-width: 100%;
}

.page-contact .c-band__caption {
  padding: 10px var(--sk-gutter) 12px;
  font-family: var(--sk-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--sk-muted);
}

/* ---------- 通用区块头 ---------- */
.page-contact .c-head {
  max-width: 42rem;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-contact .c-head .sk-title {
  margin: 10px 0 12px;
  line-height: 1.2;
}

.page-contact .c-head .sk-lead {
  margin: 0;
  color: var(--sk-muted);
  line-height: 1.8;
}

/* ---------- 场景分流 ---------- */
.page-contact .c-triage {
  background: var(--sk-sand);
}

.page-contact .c-triage__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--sk-grit);
}

.page-contact .c-triage__row {
  display: grid;
  gap: 12px;
  padding: 18px 14px 18px 0;
  border-bottom: 1px solid var(--sk-grit);
  border-left: 3px solid transparent;
  transition:
    background var(--sk-dur) var(--sk-ease),
    border-left-color var(--sk-dur) var(--sk-ease),
    padding-left var(--sk-dur) var(--sk-ease);
}

.page-contact .c-triage__row:hover,
.page-contact .c-triage__row:focus-within {
  background: rgba(255, 253, 248, 0.72);
  border-left-color: var(--sk-red);
  padding-left: 14px;
}

.page-contact .c-triage__scene {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  column-gap: 12px;
  align-items: baseline;
}

.page-contact .c-triage__no {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--sk-red);
}

.page-contact .c-triage__title {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .c-triage__extra {
  grid-column: 1 / -1;
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--sk-muted);
  transition:
    max-height 240ms var(--sk-ease),
    opacity 200ms var(--sk-ease),
    margin-top 200ms var(--sk-ease);
}

.page-contact .c-triage__row:hover .c-triage__extra,
.page-contact .c-triage__row:focus-within .c-triage__extra {
  max-height: 8em;
  opacity: 1;
  margin-top: 8px;
}

@media (hover: none) {
  .page-contact .c-triage__extra {
    max-height: none;
    opacity: 1;
    margin-top: 8px;
  }
}

.page-contact .c-triage__route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .c-triage__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--sk-red);
  color: var(--sk-red-deep);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--sk-dur) var(--sk-ease), border-color var(--sk-dur) var(--sk-ease);
}

.page-contact .c-triage__link:hover,
.page-contact .c-triage__link:focus-visible {
  color: var(--sk-red);
  border-bottom-color: var(--sk-gold);
}

@media (min-width: 820px) {
  .page-contact .c-triage__row {
    grid-template-columns: 1fr 220px;
    align-items: start;
    gap: 24px;
  }

  .page-contact .c-triage__route {
    justify-content: flex-end;
    padding-top: 4px;
  }
}

/* ---------- 表单字段 ---------- */
.page-contact .c-fields__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

@media (min-width: 940px) {
  .page-contact .c-fields__inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

.page-contact .c-fields__main .sk-title {
  margin: 10px 0 12px;
  line-height: 1.2;
}

.page-contact .c-fields__main .sk-lead {
  margin: 0 0 4px;
  color: var(--sk-muted);
  line-height: 1.8;
}

.page-contact .c-fields {
  display: grid;
  margin: 20px 0 0;
}

.page-contact .c-fields__item {
  display: grid;
  gap: 4px;
  padding: 14px 10px;
  border-top: 1px solid var(--sk-grit);
  transition: background var(--sk-dur) var(--sk-ease);
}

.page-contact .c-fields__item:last-child {
  border-bottom: 1px solid var(--sk-grit);
}

.page-contact .c-fields__item:hover,
.page-contact .c-fields__item:focus-within {
  background: rgba(230, 198, 140, 0.34);
}

.page-contact .c-fields dt {
  font-family: var(--sk-font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--sk-red-deep);
}

.page-contact .c-fields dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--sk-ink);
}

.page-contact .c-fields dd a {
  color: var(--sk-red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(122, 44, 27, 0.45);
  transition: text-decoration-color var(--sk-dur) var(--sk-ease);
}

.page-contact .c-fields dd a:hover,
.page-contact .c-fields dd a:focus-visible {
  text-decoration-color: var(--sk-red);
}

@media (min-width: 620px) {
  .page-contact .c-fields__item {
    grid-template-columns: 8.5rem 1fr;
    column-gap: 20px;
    align-items: baseline;
  }
}

.page-contact .c-tipcard {
  padding: 14px;
  border-radius: var(--sk-radius-lg);
}

.page-contact .c-tipcard img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--sk-radius);
  object-fit: cover;
}

.page-contact .c-tipcard__text {
  margin: 14px 2px 2px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--sk-green);
}

/* ---------- 响应节奏 ---------- */
.page-contact .c-response {
  background: var(--sk-sand-deep);
}

.page-contact .c-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .c-step {
  padding: 16px 0 18px;
  border-top: 3px solid var(--sk-grit);
  transition: border-top-color var(--sk-dur) var(--sk-ease);
}

.page-contact .c-step:hover,
.page-contact .c-step:focus-within {
  border-top-color: var(--sk-red);
}

.page-contact .c-step__no {
  margin: 0 0 6px;
  font-family: var(--sk-font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--sk-gold);
}

.page-contact .c-step__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 800;
}

.page-contact .c-step p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--sk-muted);
}

@media (min-width: 780px) {
  .page-contact .c-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }

  .page-contact .c-step {
    padding-right: 22px;
  }

  .page-contact .c-step:nth-child(2) {
    padding-top: 38px;
  }

  .page-contact .c-step:nth-child(3) {
    padding-top: 60px;
  }

  .page-contact .c-step:nth-child(4) {
    padding-top: 82px;
  }
}

/* ---------- 运营与备案 ---------- */
.page-contact .c-official {
  background: var(--sk-green);
  color: var(--sk-white);
}

.page-contact .c-official .sk-eyebrow,
.page-contact .c-official .sk-index {
  color: var(--sk-gold-light);
}

.page-contact .c-official__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .c-official__grid {
    grid-template-columns: 1.45fr 1fr;
    align-items: start;
  }
}

.page-contact .c-official .sk-title {
  margin: 10px 0 16px;
  line-height: 1.2;
  color: var(--sk-white);
}

.page-contact .c-official__text p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(255, 253, 248, 0.82);
}

.page-contact .c-official__facts {
  display: grid;
  margin: 0;
  border-top: 1px solid rgba(230, 198, 140, 0.35);
}

.page-contact .c-official__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(230, 198, 140, 0.35);
}

.page-contact .c-official__facts dt {
  font-size: 0.85rem;
  color: rgba(255, 253, 248, 0.7);
}

.page-contact .c-official__facts dd {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--sk-gold-light);
  text-align: right;
  word-break: break-word;
}

.page-contact .c-official__facts dd.c-official__icp {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.page-contact .c-official__foot {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(230, 198, 140, 0.3);
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 253, 248, 0.78);
}

.page-contact .c-official__foot a {
  color: var(--sk-gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(230, 198, 140, 0.5);
  transition: text-decoration-color var(--sk-dur) var(--sk-ease), color var(--sk-dur) var(--sk-ease);
}

.page-contact .c-official__foot a:hover,
.page-contact .c-official__foot a:focus-visible {
  color: var(--sk-white);
  text-decoration-color: var(--sk-white);
}

/* ---------- 焦点可见性兜底 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--sk-red);
  outline-offset: 3px;
}

.page-contact .c-official a:focus-visible {
  outline-color: var(--sk-gold-light);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-channel,
  .page-contact .c-triage__row,
  .page-contact .c-triage__extra,
  .page-contact .c-step,
  .page-contact .c-fields__item {
    transition-duration: 0ms;
  }

  .page-contact .c-channel:hover,
  .page-contact .c-channel:focus-within {
    transform: none;
  }

  .page-contact .c-channel--tel {
    transform: none;
  }
}
<<<END>>>