.page-contact {
  --pc-gap: clamp(20px, 3vw, 40px);
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

/* ---------- 侧边索引轨道 ---------- */
.page-contact .contact-track {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 12px 0 14px;
  border-bottom: 1px solid var(--hairline);
  scrollbar-width: none;
}

.page-contact .contact-track::-webkit-scrollbar {
  display: none;
}

.page-contact .contact-track .track__item {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex: 0 0 auto;
  padding: 6px 10px;
  border-left: 2px solid transparent;
  color: var(--sage);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  transition: color .15s var(--ease), border-color .15s var(--ease);
}

.page-contact .contact-track .track__num {
  color: var(--gold);
  font-size: 10px;
  letter-spacing: .12em;
}

.page-contact .contact-track .track__item[data-active="true"] {
  color: var(--ink);
  border-left-color: var(--gold);
}

/* ---------- 区块节奏 ---------- */
.page-contact .contact-content > section {
  padding-block: clamp(32px, 5vw, 68px);
  border-top: 1px solid var(--hairline-soft);
}

.page-contact .contact-content > section.contact-hero {
  border-top: 0;
  padding-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .contact-content > section.contact-hours {
  border-top: 0;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--sage);
}

.page-contact .breadcrumb a {
  color: var(--sage);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 1px;
}

.page-contact .breadcrumb a:hover {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--ink);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ink-2);
  margin: 0 0 8px;
}

.page-contact .eyebrow--light {
  color: var(--gold);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  margin: 0;
  color: var(--ink);
}

.page-contact .contact-hero__intro {
  max-width: 48ch;
  margin: 14px 0 0;
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--graphite);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 24px);
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-contact .contact-mailcard {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(20px, 3vw, 34px);
  border-left: 3px solid var(--gold);
}

.page-contact .contact-mailcard__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .contact-mailcard__addr {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  word-break: break-all;
  color: var(--paper);
}

.page-contact .contact-mailcard__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline-light);
  font-size: 14px;
  color: var(--gold-light);
}

.page-contact .contact-plates {
  display: grid;
  gap: 10px;
}

.page-contact .contact-plate {
  padding: 16px 18px;
  border-left: 3px solid var(--hairline);
}

.page-contact .contact-plate--a {
  background: var(--paper-2);
  border-left-color: var(--ink-2);
}

.page-contact .contact-plate--b {
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--gold);
}

.page-contact .contact-plate--c {
  background: var(--gold-light);
  border-left-color: var(--cinnabar);
}

.page-contact .contact-plate__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ink-2);
  opacity: .75;
}

.page-contact .contact-plate__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.45;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-plate__desc {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--graphite);
  opacity: .82;
}

/* ---------- 问题到渠道 ---------- */
.page-contact .contact-route__intro {
  max-width: 52ch;
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--sage);
}

.page-contact .route {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .route__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--hairline-soft);
}

.page-contact .route__row:last-child {
  border-bottom: 1px solid var(--hairline-soft);
}

.page-contact .route__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .route__row h3 {
  margin: 5px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .route__cell p {
  margin: 7px 0 0;
  font-size: 14px;
  color: var(--graphite);
}

.page-contact .route__link {
  position: relative;
  height: 16px;
  margin-left: 16px;
  border-left: 1px dashed var(--hairline);
}

.page-contact .route__link::after {
  content: "";
  position: absolute;
  left: -3px;
  bottom: -3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

.page-contact .route__cell--a {
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

.page-contact .route__cell--a .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ink);
  background: var(--gold-light);
  padding: 2px 8px;
  display: inline-block;
}

.page-contact .route__cell--a p {
  color: var(--ink-2);
}

/* ---------- 邮件标题 ---------- */
.page-contact .contact-mail__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(8px, 1.6vw, 14px);
}

.page-contact .contact-mail__intro {
  max-width: 52ch;
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--graphite);
}

.page-contact .contact-mail__block {
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .contact-mail__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--sage);
}

.page-contact .contact-mail__sample {
  margin: 8px 0 0;
  padding: 14px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-mail__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-mail__list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 14px;
}

.page-contact .contact-mail__list li span:first-child {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ink-2);
}

.page-contact .contact-mail__list li span:last-child {
  color: var(--graphite);
}

.page-contact .contact-mail__tip {
  margin: 20px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--ink-2);
}

.page-contact .contact-mail__tip a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-contact .contact-mail__tip a:hover {
  background: var(--gold-light);
}

/* ---------- 图片 ---------- */
.page-contact .figure {
  margin: 0;
}

.page-contact .figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--hairline);
  background-image:
    linear-gradient(to right, var(--hairline-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline-soft) 1px, transparent 1px);
  background-size: 28px 28px;
}

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

.page-contact .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--sage);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  background: var(--ink);
  color: var(--paper);
  padding-inline: clamp(18px, 3vw, 38px);
}

.page-contact .contact-hours h2 {
  color: var(--paper);
}

.page-contact .contact-hours__intro {
  max-width: 50ch;
  margin: 12px 0 0;
  font-size: 15px;
  color: var(--gold-light);
}

.page-contact .contact-hours__dl {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-hours__dl > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-top: 1px solid var(--hairline-light);
}

.page-contact .contact-hours__dl dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-contact .contact-hours__dl dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
  opacity: .88;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-place__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(14px, 2.2vw, 22px);
}

.page-contact .contact-place__addr {
  margin: 0;
  padding: 16px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-place__desc {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--graphite);
  max-width: 52ch;
}

.page-contact .contact-place__desc a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-contact .contact-place__desc a:hover {
  background: var(--gold-light);
}

.page-contact .contact-legal {
  margin: 22px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .contact-legal__k {
  color: var(--sage);
  letter-spacing: .14em;
}

.page-contact .contact-legal__v {
  color: var(--ink);
  letter-spacing: .04em;
  padding: 3px 10px;
  background: var(--gold-light);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    align-items: start;
  }

  .page-contact .contact-place__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-contact .route__row {
    grid-template-columns: minmax(0, 1fr) 64px minmax(0, .85fr);
    align-items: center;
    gap: 0;
  }

  .page-contact .route__link {
    height: 1px;
    width: 100%;
    margin: 0;
    border-left: 0;
    border-top: 1px dashed var(--hairline);
  }

  .page-contact .route__link::after {
    left: auto;
    right: 0;
    bottom: -2.5px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-layout {
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: clamp(22px, 3vw, 46px);
  }

  .page-contact .contact-track {
    display: block;
    overflow: visible;
    gap: 0;
    border-bottom: 0;
    padding-top: clamp(30px, 4vw, 52px);
    position: sticky;
    top: calc(var(--header-h) + 18px);
    align-self: start;
  }

  .page-contact .contact-track .track__item {
    display: flex;
    padding: 9px 0 9px 12px;
    margin-bottom: 2px;
    border-left: 2px solid var(--hairline-soft);
  }

  .page-contact .contact-track .track__item[data-active="true"] {
    border-left-color: var(--gold);
  }

  .page-contact .contact-track .track__label {
    white-space: normal;
    line-height: 1.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-track .track__item {
    transition: none;
  }
}