.page-contact {
  --contact-rule: rgb(199 210 205 / .22);
  --contact-paper-ink: rgb(10 19 16 / .66);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-contact .contact-hero__lead .lede {
  max-width: 60ch;
  margin-top: 14px;
}

.page-contact .contact-hero__card {
  position: relative;
  padding: 30px 24px 22px;
}

.page-contact .contact-clock {
  margin: 14px 0 10px;
  font-size: 19px;
  letter-spacing: .05em;
  color: var(--ink-900);
}

.page-contact .contact-hero__card .muted {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--contact-paper-ink);
}

.page-contact .contact-stamp {
  margin: 18px 0 0;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--contact-paper-ink);
}

/* ---------- 区块标题 ---------- */
.page-contact .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 32px;
}

.page-contact .section-head .heading,
.page-contact .section-head .muted {
  margin: 0;
}

.page-contact .section-head .muted {
  max-width: 62ch;
}

/* ---------- 三类事项 ---------- */
.page-contact .triage-layout {
  display: grid;
  gap: 40px;
}

.page-contact .triage-list {
  display: grid;
  gap: 26px;
}

.page-contact .triage-row {
  display: grid;
  gap: 14px;
  border-left: 3px solid var(--silver-dim);
  padding: 20px 0 22px 20px;
}

.page-contact .triage-row--fix {
  border-left-color: var(--lava);
}

.page-contact .triage-row--add {
  border-left-color: var(--accent);
}

.page-contact .triage-row--rule {
  border-left-color: var(--cyan);
}

.page-contact .triage-row__num {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--silver-dim);
}

.page-contact .triage-row--fix .triage-row__num {
  color: var(--lava);
}

.page-contact .triage-row--add .triage-row__num {
  color: var(--accent);
}

.page-contact .triage-row--rule .triage-row__num {
  color: var(--cyan);
}

.page-contact .triage-row__head .heading--sm {
  margin: 0 0 10px;
}

.page-contact .triage-row__head .tag {
  display: inline-block;
  margin: 0;
}

.page-contact .triage-row__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .triage-row__body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .mat {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .mat li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver-dim);
}

.page-contact .mat li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--line-strong);
}

.page-contact .contact-figure {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-figure .figure__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .contact-figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.5) contrast(1.08);
}

.page-contact .contact-figure .figure__grid {
  pointer-events: none;
}

.page-contact .contact-figure .figure__cap {
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver-dim);
}

/* ---------- 联络渠道 ---------- */
.page-contact .channels-layout {
  display: grid;
  gap: 32px;
}

.page-contact .channels-intro {
  position: relative;
  padding-left: 4px;
}

.page-contact .channels-intro .muted {
  max-width: 40ch;
  margin-top: 12px;
}

.page-contact .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .channel {
  display: grid;
  gap: 7px;
  padding: 20px 22px;
  background: var(--ink-800);
}

.page-contact .channel__key {
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--accent);
}

.page-contact .channel__val {
  font-size: 17px;
  line-height: 1.5;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-contact .channel__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver-dim);
}

.page-contact .address-card {
  position: relative;
  margin-top: 20px;
  padding: 32px 24px 24px;
}

.page-contact .address-card__val {
  margin: 14px 0 0;
  font-family: var(--font-data);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-contact .address-card__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--contact-paper-ink);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow-layout {
  display: grid;
  gap: 40px;
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 30px;
}

.page-contact .flow__step {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

.page-contact .flow__num {
  display: block;
  margin-bottom: 9px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--silver-dim);
}

.page-contact .flow__title {
  margin: 0 0 9px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--silver);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver-dim);
}

.page-contact .flow-figure {
  margin: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .flow-figure .figure__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .flow-figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.4) contrast(1.12);
}

.page-contact .flow-figure .figure__cap {
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver-dim);
}

/* ---------- 引用与协作 ---------- */
.page-contact .cite-layout {
  display: grid;
  gap: 36px;
}

.page-contact .cite-main .heading {
  margin: 0 0 18px;
}

.page-contact .cite-main p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .cite-main p:last-child {
  margin-bottom: 0;
}

.page-contact .cite-main a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .cite-aside {
  border: 1px solid var(--line-strong);
  padding: 22px 22px 24px;
  align-self: start;
}

.page-contact .cite-aside__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--silver-dim);
}

.page-contact .cite-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .cite-fields li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--contact-rule);
  font-size: 16px;
  color: var(--silver);
}

.page-contact .cite-fields li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .cite-fields .mono {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 36px;
  }

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

  .page-contact .channel:only-of-type {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
    margin-top: 36px;
  }

  .page-contact .channels-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .channels-col {
    justify-self: end;
    width: 100%;
    max-width: 580px;
  }

  .page-contact .cite-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .triage-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3.4fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .triage-row {
    grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
    column-gap: 30px;
  }

  .page-contact .triage-row--fix {
    margin-right: 11%;
  }

  .page-contact .triage-row--add {
    margin-left: 7%;
    margin-right: 2%;
  }

  .page-contact .triage-row--rule {
    margin-left: 3%;
    margin-right: 15%;
  }

  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 40px;
  }

  .page-contact .contact-figure {
    position: sticky;
    top: 32px;
    margin-top: 8px;
    margin-right: -24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-figure,
  .page-contact .flow-figure {
    position: static;
  }
}
<<<END>>>