.page-contact{
  --pc-sect: clamp(44px, 6vw, 88px);
  --pc-gap: clamp(20px, 3vw, 36px);
  color: var(--paper);
  font-family: var(--font-body);
  background: var(--ink-900);
  padding-bottom: var(--pc-sect);
}

.page-contact .contact-shell{
  padding-top: clamp(8px, 1.6vw, 20px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-contact .breadcrumb a{
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible{
  color: var(--neon);
  border-bottom-color: var(--neon);
}
.page-contact .breadcrumb__sep{
  color: var(--line);
}
.page-contact .breadcrumb [aria-current="page"]{
  color: var(--paper);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact input:focus-visible{
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-block: clamp(28px, 4.5vw, 64px) clamp(36px, 5vw, 72px);
}

.page-contact .contact-hero h1{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 15ch;
}

.page-contact .contact-hero__lead{
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__quick{
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .contact-hero__quick li{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .quick__label{
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}
.page-contact .quick__value{
  font-family: var(--font-mono);
  font-size: clamp(14px, 3vw, 17px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-contact .contact-hero__hint{
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--teal);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-hero__visual{
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}
.page-contact .contact-hero__visual img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.5) contrast(1.08) brightness(.92);
}
.page-contact .contact-hero__visual::before{
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(49, 240, 192, .22);
  pointer-events: none;
}
.page-contact .contact-hero__visual figcaption{
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 联络台主体：左分流 / 右固定联系卡 ---------- */
.page-contact .desk{
  display: grid;
  gap: var(--pc-gap);
  padding-block: var(--pc-sect);
  border-top: 1px solid var(--line);
}

.page-contact .desk__flow h2,
.page-contact .checklist-block__head h2,
.page-contact .rhythm__head h2{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.8vw, 40px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .desk__intro{
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 分段切换 ---------- */
.page-contact .triage{
  margin-top: 28px;
}
.page-contact .triage__tabs{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.page-contact .triage__tab{
  appearance: none;
  -webkit-appearance: none;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease);
}
.page-contact .triage__tab:hover{
  color: var(--paper);
  border-color: var(--teal);
}
.page-contact .triage__tab[aria-selected="true"]{
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink-900);
  font-weight: 700;
}
.page-contact .triage__panels{
  padding-top: 6px;
}
.page-contact .triage__panel[hidden]{
  display: none;
}
.page-contact .panel__block{
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .panel__block:last-child{
  border-bottom: 0;
}
.page-contact .panel__label{
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--neon);
}
.page-contact .panel__list{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-contact .panel__list li{
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .panel__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--teal);
}

/* ---------- 路径示意 ---------- */
.page-contact .diagram{
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}
.page-contact .diagram img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.45) contrast(1.05);
}
.page-contact .diagram figcaption{
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 联系卡 ---------- */
.page-contact .relay__card{
  border: 1px solid var(--line);
  border-top: 2px solid var(--neon);
  background: var(--ink-800);
  padding: clamp(20px, 3vw, 32px);
}
.page-contact .relay__card h2{
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .relay__rows{
  margin: 20px 0 0;
}
.page-contact .relay__row{
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .relay__row:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .relay__key{
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}
.page-contact .relay__val{
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.6vw, 16px);
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
  user-select: all;
}
.page-contact .relay__val--addr{
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  user-select: text;
}
.page-contact .relay__note{
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .relay__tip{
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--teal);
}

/* ---------- 反馈清单 ---------- */
.page-contact .checklist-block{
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  padding-block: var(--pc-sect);
  border-top: 1px solid var(--line);
}
.page-contact .checklist-block__head p:not(.eyebrow){
  margin: 14px 0 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .checklist{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .checklist__item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .checklist__box{
  position: relative;
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 4px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-700);
  cursor: pointer;
  flex: none;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-contact .checklist__box:checked{
  background: var(--neon);
  border-color: var(--neon);
}
.page-contact .checklist__box:checked::after{
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 5px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(40deg);
}
.page-contact .checklist__text{
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  cursor: pointer;
}
.page-contact .checklist__idx{
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm{
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  padding-block: var(--pc-sect);
  border-top: 1px solid var(--line);
}
.page-contact .rhythm__head p:not(.eyebrow){
  margin: 14px 0 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .rhythm__list{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .rhythm__item{
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .rhythm__time{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--neon);
}
.page-contact .rhythm__body{
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 寄送与常用入口 ---------- */
.page-contact .outro{
  display: grid;
  gap: clamp(32px, 4vw, 56px);
  padding-block: var(--pc-sect);
  border-top: 1px solid var(--line);
}
.page-contact .outro h2{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .outro p:not(.eyebrow):not(.outro__note){
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  overflow-wrap: anywhere;
}
.page-contact .outro__note{
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .route-list{
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.page-contact .route-list__item{
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .route-list__link{
  justify-self: start;
  padding-bottom: 2px;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.page-contact .route-list__link:hover,
.page-contact .route-list__link:focus-visible{
  color: var(--neon);
  border-bottom-color: var(--neon);
}
.page-contact .route-list__meta{
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px){
  .page-contact .rhythm__item{
    grid-template-columns: minmax(0, 176px) minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 920px){
  .page-contact .contact-hero{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(36px, 5vw, 80px);
  }
  .page-contact .contact-hero__visual{
    margin-top: clamp(0px, 4vw, 48px);
  }
  .page-contact .checklist-block{
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }
  .page-contact .rhythm{
    grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }
  .page-contact .outro{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(40px, 6vw, 88px);
  }
}

@media (min-width: 1000px){
  .page-contact .desk{
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }
  .page-contact .relay{
    position: sticky;
    top: clamp(16px, 3vw, 40px);
  }
}

@media (max-width: 420px){
  .page-contact .quick__label{
    min-width: 100%;
    margin-bottom: 2px;
  }
  .page-contact .triage__tab{
    width: 100%;
    text-align: left;
  }
  .page-contact .relay__val{
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact *{
    transition-duration: 1ms !important;
  }
}
<<<END>>>