.page-contact {
  --pc-gap: clamp(2.75rem, 6vw, 4.5rem);
  --pc-dark-text: #A9BCC7;
  --pc-dark-title: #F2F7FA;
}

.page-contact .mono {
  font-family: var(--font-mono);
  word-break: break-word;
}

.page-contact .breadcrumb {
  margin-top: clamp(1rem, 2.2vw, 1.75rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3.5vw, 2.5rem) 0 clamp(2rem, 4.5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}

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

.page-contact .page-title {
  margin: 0.85rem 0 0;
  max-width: 20em;
  font-size: clamp(2.05rem, 5.4vw, 3.9rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .page-lede {
  margin: 1.1rem 0 0;
  max-width: 36em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-hero__card {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.15rem, 2.6vw, 1.7rem);
  box-shadow: var(--shadow);
  min-width: 0;
}

.page-contact .quick-list {
  margin: 1rem 0 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .quick-list__row {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.page-contact .quick-list__row dt {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .quick-list__row dd {
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  min-width: 0;
}

.page-contact .quick-list__note {
  margin: 1.05rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.62fr);
    align-items: end;
  }
}

/* ---------- 主栏 + 侧栏 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(2rem, 4.5vw, 3.25rem) 0 clamp(3rem, 6.5vw, 5.25rem);
  align-items: start;
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: 216px minmax(0, 1fr);
  }
}

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

@media (min-width: 1000px) {
  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

.page-contact .rail-note {
  margin-top: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 0.95rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .rail-note p {
  margin: 0;
}

.page-contact .rail-note strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ink);
  font-size: 0.8125rem;
}

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

.page-contact .contact-section + .contact-section {
  margin-top: var(--pc-gap);
}

/* ---------- 章节标题 ---------- */
.page-contact .section-head {
  margin-bottom: clamp(1.25rem, 2.6vw, 2rem);
}

.page-contact .num {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--amber-deep);
}

.page-contact .section-title {
  margin: 0;
  font-size: clamp(1.5rem, 3.1vw, 2.125rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .section-lede {
  margin: 0.75rem 0 0;
  max-width: 46em;
  font-size: 0.9875rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.4rem 1.35rem 1.45rem 1.7rem;
  background: var(--silver);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  min-width: 0;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--amber), var(--amber-deep));
}

.page-contact .channel-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: clamp(0.95rem, 1.6vw, 1.0625rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .channel-card__text {
  margin: 0;
  flex: 1;
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .channel-card .copy-btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 反馈类型 ---------- */
.page-contact .type-layout {
  display: grid;
  gap: clamp(1.25rem, 2.6vw, 2rem);
}

.page-contact .type-figure,
.page-contact .entity-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--silver);
}

.page-contact .type-figure img,
.page-contact .entity-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .figure__caption {
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--line);
  background: var(--silver);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .type-cards {
  display: grid;
  gap: 1rem;
}

.page-contact .type-card {
  display: grid;
  gap: 0.55rem;
  padding: 1.25rem 1.25rem 1.35rem;
  background: var(--silver);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  min-width: 0;
  transition: border-color 240ms var(--ease);
}

.page-contact .type-card:hover {
  border-color: var(--amber);
}

.page-contact .type-card .card__title {
  margin: 0;
  font-size: 1.1875rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .type-card .card__text {
  margin: 0;
  font-size: 0.9125rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .type-card .link-arrow {
  justify-self: start;
}

@media (min-width: 1000px) {
  .page-contact .type-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

/* ---------- 准备清单 ---------- */
.page-contact .filter-bar {
  margin-bottom: 0.25rem;
}

.page-contact .prep-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-contact .prep-card {
  padding: 1.35rem;
  border-radius: var(--r-lg);
  min-width: 0;
}

.page-contact .prep-card .card__title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0.95rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.68rem;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.8875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

.page-contact .prep-list__key {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-contact [data-filter-item][hidden] {
  display: none;
}

@media (min-width: 760px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 处理节奏 ---------- */
.page-contact .contact-section--dark {
  padding: clamp(1.6rem, 3.6vw, 2.85rem);
  border-radius: var(--r-lg);
  background: var(--deep);
  background-image: linear-gradient(150deg, rgba(14, 143, 143, 0.16), rgba(232, 128, 31, 0.1));
}

.page-contact .contact-section--dark .section-title {
  color: var(--pc-dark-title);
}

.page-contact .contact-section--dark .section-lede {
  color: var(--pc-dark-text);
}

.page-contact .contact-section--dark .num {
  color: var(--amber);
}

.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.35rem;
}

.page-contact .flow__item {
  position: relative;
  min-width: 0;
}

.page-contact .flow__num {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-contact .flow__title {
  margin: 0 0 0.45rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--pc-dark-title);
}

.page-contact .flow__text {
  margin: 0;
  font-size: 0.8875rem;
  line-height: 1.82;
  color: var(--pc-dark-text);
}

@media (min-width: 820px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.6rem;
  }

  .page-contact .flow__item {
    padding-top: 1.7rem;
  }

  .page-contact .flow__item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(232, 128, 31, 0.32);
  }

  .page-contact .flow__item::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--amber);
  }
}

/* ---------- 主体与备案 ---------- */
.page-contact .entity-layout {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
}

.page-contact .entity-copy {
  min-width: 0;
}

.page-contact .entity-list {
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .entity-list__row {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 1.15rem;
  background: var(--silver);
  min-width: 0;
}

.page-contact .entity-list__row dt {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .entity-list__row dd {
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
  min-width: 0;
}

.page-contact .note {
  margin: 1.15rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid var(--teal);
  font-size: 0.875rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .note a {
  color: var(--amber-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 620px) {
  .page-contact .entity-list__row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    align-items: center;
    gap: 0.85rem;
  }
}

@media (min-width: 1000px) {
  .page-contact .entity-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

/* ---------- 来访与邮寄 ---------- */
.page-contact .visit-grid {
  display: grid;
  gap: 1rem;
}

.page-contact .visit-card {
  padding: 1.25rem 1.25rem 1.35rem;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  min-width: 0;
  transition: border-color 240ms var(--ease), transform 240ms var(--ease);
}

.page-contact .visit-card:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-contact .visit-card .card__title {
  margin: 0 0 0.55rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .visit-card .card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .visit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .visit-card,
  .page-contact .type-card {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .visit-card:hover {
    transform: none;
  }
}
<<<END>>>