.page-contact {
  --contact-rail-w: 224px;
  background: var(--paper);
  color: var(--black);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 3px solid var(--lemon);
  outline-offset: 2px;
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__rail {
  background: var(--ink);
  color: var(--on-ink);
  padding: 20px var(--gutter) 22px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .contact-hero__railword {
  margin: 0;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: .28em;
  color: var(--paper);
}

.page-contact .contact-hero__railnote {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--on-ink);
}

.page-contact .contact-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-index__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 13px 6px 8px;
  border: 1px solid var(--on-ink-line);
  border-radius: var(--r-pill);
  color: var(--on-ink);
  font-size: 12.5px;
  line-height: 1.3;
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .contact-index__link .index-link__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--dusk);
}

.page-contact .contact-index__link:hover,
.page-contact .contact-index__link:focus-visible {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.page-contact .contact-index__link:hover .index-link__num,
.page-contact .contact-index__link:focus-visible .index-link__num {
  color: var(--grass-deep);
}

.page-contact .contact-index__link.is-current {
  border-color: var(--grass);
  background: rgba(47, 122, 62, .26);
  color: var(--paper);
}

.page-contact .contact-hero__panel {
  padding: 26px var(--gutter) 46px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--grass);
}

.page-contact .contact-hero__panel h1 {
  margin: 0;
  font-size: clamp(29px, 7vw, 60px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--ink);
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .contact-channels {
  display: grid;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .contact-channel {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 18px 18px 16px;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
  transition: border-color .25s var(--ease);
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  border-color: var(--grass);
}

.page-contact .contact-channel__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 22px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .25s var(--ease);
}

.page-contact .contact-channel__value:hover,
.page-contact .contact-channel__value:focus-visible {
  color: var(--grass-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-block {
  padding: clamp(46px, 7vw, 88px) var(--gutter);
  background: var(--paper);
}

.page-contact .contact-block--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-block--teal {
  background: var(--teal);
  color: var(--paper);
}

.page-contact .contact-block__head {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto clamp(24px, 4vw, 40px);
  display: grid;
  gap: 10px;
  align-content: start;
  justify-items: start;
}

.page-contact .contact-block__head .section-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(40px, 9vw, 82px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.03em;
  color: var(--grass);
}

.page-contact .contact-block__head .section-number--dusk {
  color: var(--dusk);
}

.page-contact .contact-block__head .section-number--lemon {
  color: var(--lemon);
}

.page-contact .contact-block__head h2 {
  margin: 0;
  font-size: clamp(23px, 4.4vw, 40px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .contact-block--ink .contact-block__head h2,
.page-contact .contact-block--teal .contact-block__head h2 {
  color: var(--paper);
}

.page-contact .contact-block__lede {
  margin: 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .contact-block--ink .contact-block__lede,
.page-contact .contact-block--teal .contact-block__lede {
  color: var(--on-ink);
}

.page-contact .contact-block__body {
  max-width: var(--shell);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

/* ---------- 01 邮件写法 ---------- */
.page-contact .mail-recipe {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: 20px;
  box-shadow: var(--shadow-card);
}

.page-contact .mail-recipe__list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: recipe;
  display: grid;
  gap: 15px;
}

.page-contact .mail-recipe__list li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .mail-recipe__list li::before {
  counter-increment: recipe;
  content: counter(recipe, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--dusk);
}

.page-contact .mail-recipe__list strong {
  color: var(--ink);
  font-weight: 700;
}

.page-contact .mail-prefix {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--paper);
  border: 1px dashed var(--line-strong);
}

.page-contact .mail-prefix__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-contact .mail-prefix__code {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--lemon);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .mail-prefix__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 02 问题分流 ---------- */
.page-contact .route-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  color: var(--black);
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: var(--grass);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-contact .route-card__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--grass);
}

.page-contact .route-card:nth-child(2) .route-card__num {
  color: var(--dusk);
}

.page-contact .route-card:nth-child(3) .route-card__num {
  color: var(--wine);
}

.page-contact .route-card:nth-child(4) .route-card__num {
  color: var(--indigo);
}

.page-contact .route-card__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .route-card__text {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .route-card__go {
  align-self: flex-start;
  margin-top: 4px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--grass-deep);
  border-bottom: 2px solid transparent;
  transition: border-color .25s var(--ease);
}

.page-contact .route-card:hover .route-card__go,
.page-contact .route-card:focus-visible .route-card__go {
  border-bottom-color: var(--grass);
}

/* ---------- 03 响应时间 ---------- */
.page-contact .announce-sticker {
  justify-self: start;
  margin-top: 4px;
}

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

.page-contact .hours-list li {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: rgba(247, 244, 234, .06);
  border: 1px solid var(--on-ink-line);
  transition: border-color .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .hours-list li:hover {
  border-color: var(--grass);
  background: rgba(47, 122, 62, .16);
}

.page-contact .hours-list__value {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--lemon);
}

.page-contact .hours-list__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--on-ink);
}

/* ---------- 04 地址与备案 ---------- */
.page-contact .address-panel {
  margin: 0;
  display: grid;
  gap: 14px;
  padding: clamp(20px, 3vw, 32px);
  background: rgba(247, 244, 234, .08);
  border: 1px solid var(--on-ink-line);
  border-radius: var(--r-lg);
}

.page-contact .address-panel__row {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--on-ink-line);
}

.page-contact .address-panel__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .address-panel dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--lemon);
}

.page-contact .address-panel dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 05 自助入口 ---------- */
.page-contact .self-serve {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .self-serve__link {
  display: grid;
  gap: 8px;
  padding: 24px 22px;
  border-radius: var(--r-lg);
  background: var(--white);
  border: 1.5px solid var(--line);
  text-decoration: none;
  color: var(--black);
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-contact .self-serve__link:hover,
.page-contact .self-serve__link:focus-visible {
  border-color: var(--dusk);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-contact .self-serve__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 52px);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.03em;
  color: var(--dusk);
}

.page-contact .self-serve__title {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .self-serve__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-contact .self-serve__legal {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .self-serve__legal-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--r-pill);
  border: 1.5px solid var(--line-strong);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-soft);
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease), background-color .25s var(--ease);
}

.page-contact .self-serve__legal-link:hover,
.page-contact .self-serve__legal-link:focus-visible {
  border-color: var(--grass);
  color: var(--grass-deep);
  background: rgba(47, 122, 62, .08);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .hours-list li {
    grid-template-columns: 152px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .contact-channel__value {
    font-size: clamp(16px, 3.4vw, 22px);
  }
}

@media (min-width: 640px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .self-serve {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: var(--contact-rail-w) minmax(0, 1fr);
  }

  .page-contact .contact-hero__rail {
    padding: 38px 24px 34px;
    justify-items: start;
  }

  .page-contact .contact-hero__railword {
    writing-mode: vertical-rl;
    font-size: 19px;
    letter-spacing: .44em;
  }

  .page-contact .contact-hero__railnote {
    writing-mode: horizontal-tb;
    font-size: 11.5px;
    letter-spacing: .02em;
    padding-top: 12px;
    border-top: 1px solid var(--on-ink-line);
    width: 100%;
  }

  .page-contact .contact-index {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-top: auto;
  }

  .page-contact .contact-index__link {
    justify-content: flex-start;
    padding: 7px 12px 7px 9px;
  }

  .page-contact .contact-hero__panel {
    padding: 44px clamp(32px, 5vw, 64px) 68px;
    gap: 18px;
  }

  .page-contact .contact-hero__lede {
    font-size: 17px;
  }

  .page-contact .contact-block__body--mail {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

  .page-contact .contact-block__body--hours {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-index__link,
  .page-contact .contact-channel,
  .page-contact .contact-channel__value,
  .page-contact .route-card,
  .page-contact .route-card__go,
  .page-contact .hours-list li,
  .page-contact .self-serve__link,
  .page-contact .self-serve__legal-link {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible,
  .page-contact .self-serve__link:hover,
  .page-contact .self-serve__link:focus-visible {
    transform: none;
  }
}