.page-contact {
  --pc-gap: clamp(2.75rem, 7vw, 5.5rem);
  --pc-glass: rgba(244, 241, 234, .72);
  background: var(--moon);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.9;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  padding-top: clamp(1.25rem, 3vw, 2rem);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--ink-soft);
}
.page-contact .crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--ink-line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .crumb a:hover,
.page-contact .crumb a:focus-visible {
  color: var(--cinnabar-deep);
  border-bottom-color: var(--cinnabar);
}
.page-contact .crumb__sep { color: var(--mist); }
.page-contact .crumb__now { color: var(--ink); }

/* ---------- 首屏左右分屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 var(--pc-gap);
}

.page-contact .kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--ochre);
}

.page-contact .hero-title {
  margin: .7rem 0 1.1rem;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.page-contact .hero-lead {
  max-width: 30em;
  margin: 0 0 clamp(1.6rem, 4vw, 2.4rem);
  color: var(--ink-soft);
}

/* 大号联系方式排印 */
.page-contact .big-contacts {
  border-bottom: 1px solid var(--ink-line-strong);
}
.page-contact .big-contact {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-top: 1px solid var(--ink-line-strong);
  padding: 1.05rem 0 1.15rem;
  font: inherit;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color .2s var(--ease);
}
.page-contact .big-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.page-contact .big-contact__value {
  display: block;
  margin: .2rem 0 .35rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.18rem, 4.6vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  transition: color .2s var(--ease);
}
.page-contact .big-contact__hint {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.page-contact .big-contact:hover .big-contact__value,
.page-contact .big-contact:focus-visible .big-contact__value {
  color: var(--cinnabar-deep);
}
.page-contact .big-contact:hover .big-contact__label,
.page-contact .big-contact:focus-visible .big-contact__label {
  color: var(--cinnabar-deep);
}
.page-contact .big-contact[data-copied] .big-contact__hint {
  color: var(--moss);
}
.page-contact .big-contact[data-copied] .big-contact__value {
  color: var(--moss);
}

/* 右侧通道列表 */
.page-contact .hero-right__cap {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--ink-soft);
}
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .channel {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .12rem .9rem;
  padding: 1.15rem 0 1.25rem .85rem;
  border-top: 1px solid var(--ink-line);
  transition: background-color .22s var(--ease);
}
.page-contact .channel:last-child {
  border-bottom: 1px solid var(--ink-line);
}
.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ochre);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .25s var(--ease);
}
.page-contact .channel:hover {
  background-color: rgba(255, 255, 255, .6);
}
.page-contact .channel:hover::before,
.page-contact .channel:focus-within::before {
  transform: scaleY(1);
}
.page-contact .channel__index {
  grid-row: 1 / span 3;
  padding-top: .4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ochre);
}
.page-contact .channel__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-22);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-contact .channel__meta {
  grid-column: 2;
  margin: .1rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .04em;
  color: var(--dai);
  overflow-wrap: anywhere;
}
.page-contact .channel__use {
  grid-column: 2;
  margin: .35rem 0 0;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: var(--fs-17);
  transition: color .22s var(--ease);
}
.page-contact .channel:hover .channel__use,
.page-contact .channel:focus-within .channel__use {
  color: var(--ink);
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: var(--pc-gap) 0;
  border-top: 1px solid var(--ink-line-strong);
}
.page-contact .section--last {
  padding-bottom: clamp(3.5rem, 9vw, 7rem);
}
.page-contact .sec-head {
  display: grid;
  gap: .8rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}
.page-contact .sec-num {
  display: inline-block;
  justify-self: start;
  margin: 0;
  padding: .18rem .55rem;
  background: var(--ochre);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  line-height: 1.6;
}
.page-contact .sec-title {
  margin: 0;
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.125rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.page-contact .sec-lead {
  margin: 0;
  max-width: 34em;
  color: var(--ink-soft);
}

/* ---------- 问题对号入座 ---------- */
.page-contact .routes {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .route {
  display: grid;
  gap: .55rem;
  grid-template-columns: minmax(0, 1fr);
  padding: 1.4rem 0;
  border-top: 1px solid var(--ink-line);
}
.page-contact .route:last-child {
  border-bottom: 1px solid var(--ink-line);
}
.page-contact .route__kind {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-17);
  line-height: 1.5;
  letter-spacing: -0.005em;
}
.page-contact .route__text {
  margin: 0;
  max-width: 34em;
  color: var(--ink-soft);
}
.page-contact .route__text a {
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}
.page-contact .route__text a:hover {
  color: var(--cinnabar);
}
.page-contact .route__to {
  margin: 0;
}
.page-contact .chip {
  display: inline-block;
  padding: .18rem .6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  line-height: 1.7;
  border: 1px solid currentColor;
}
.page-contact .chip--cinnabar { color: var(--cinnabar-deep); }
.page-contact .chip--ochre { color: var(--ochre); }

/* ---------- 响应时段刻度尺 ---------- */
.page-contact .ruler-block {
  padding: .35rem 0 clamp(2rem, 5vw, 3.25rem);
}
.page-contact .ruler {
  position: relative;
  padding-bottom: 1.9rem;
}
.page-contact .ruler__bar {
  height: 14px;
  background-image: linear-gradient(to right, var(--mist) 0 41.66%, var(--cinnabar) 41.66% 75%, var(--mist) 75% 100%);
  border-top: 1px solid var(--ink-line);
  border-bottom: 1px solid var(--ink-line);
}
.page-contact .ruler__tick {
  position: absolute;
  bottom: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--ink-soft);
}
.page-contact .ruler__tick--a { left: 0; }
.page-contact .ruler__tick--b { left: 41.66%; transform: translateX(-50%); color: var(--cinnabar-deep); }
.page-contact .ruler__tick--c { left: 75%; transform: translateX(-50%); color: var(--cinnabar-deep); }
.page-contact .ruler__tick--d { right: 0; }
.page-contact .ruler-note {
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: var(--fs-17);
  color: var(--ink-soft);
}

/* ---------- 两列栅格 ---------- */
.page-contact .cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

/* ---------- 处理节奏 ---------- */
.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink-line-strong);
}
.page-contact .step {
  position: relative;
  padding: 1.1rem 0 1.15rem 2.6rem;
  border-bottom: 1px solid var(--ink-line);
}
.page-contact .step__no {
  position: absolute;
  left: 0;
  top: 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--ochre);
}
.page-contact .step__title {
  margin: 0 0 .2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-17);
  line-height: 1.4;
}
.page-contact .step__text {
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-17);
}

/* ---------- 地址 ---------- */
.page-contact .addr-label {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--ochre);
}
.page-contact .addr-value {
  margin: 0 0 1.4rem;
  padding-left: .95rem;
  border-left: 3px solid var(--ochre);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  line-height: 1.5;
  letter-spacing: -0.005em;
}
.page-contact .addr-note {
  margin: 0;
  max-width: 32em;
  color: var(--ink-soft);
}

/* ---------- 常见反馈 ---------- */
.page-contact .feedback {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .feedback__item {
  padding: 1.25rem 0;
  border-top: 1px solid var(--ink-line);
}
.page-contact .feedback__item:last-child {
  border-bottom: 1px solid var(--ink-line);
}
.page-contact .feedback__title {
  margin: 0 0 .25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-17);
  line-height: 1.5;
}
.page-contact .feedback__text {
  margin: 0;
  max-width: 34em;
  color: var(--ink-soft);
}
.page-contact .feedback__text a {
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
}
.page-contact .feedback__text a:hover {
  color: var(--cinnabar);
}

/* ---------- 页脚入口说明 ---------- */
.page-contact .foot-note {
  display: grid;
  gap: 1.1rem;
  max-width: 36em;
  padding-left: 1rem;
  border-left: 3px solid var(--dai);
}
.page-contact .foot-note p {
  margin: 0;
  color: var(--ink-soft);
}

/* ---------- 底部固定联系条 ---------- */
.page-contact .peek-bar {
  position: fixed;
  left: var(--frame-edge);
  bottom: var(--frame-edge);
  z-index: 30;
  display: none;
  align-items: center;
  gap: 1.1rem;
  padding: .68rem 1.1rem;
  background: var(--pc-glass);
  -webkit-backdrop-filter: blur(14px) saturate(1.25);
  backdrop-filter: blur(14px) saturate(1.25);
  border: 1px solid var(--ink-line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  line-height: 1.6;
  color: var(--ink);
  transition: box-shadow .25s var(--ease), background-color .25s var(--ease);
}
.page-contact .peek-bar:hover {
  background: rgba(255, 255, 255, .9);
  box-shadow: var(--shadow-2);
}
.page-contact .peek-bar__text {
  color: var(--ink-soft);
}
.page-contact .peek-bar__link {
  color: var(--cinnabar-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
}
.page-contact .peek-bar__link:hover {
  color: var(--cinnabar);
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-contact .cols {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-contact .cols > .span-7 { grid-column: span 7; }
  .page-contact .cols > .span-5 { grid-column: span 5; }

  .page-contact .route {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr) auto;
    align-items: baseline;
    gap: 1.75rem;
  }
  .page-contact .route__to {
    justify-self: end;
    white-space: nowrap;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 38fr) minmax(0, 62fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }
  .page-contact .peek-bar {
    display: inline-flex;
  }
}

@media (min-width: 1120px) {
  .page-contact .hero-left {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .big-contact,
  .page-contact .channel,
  .page-contact .channel::before,
  .page-contact .channel__use,
  .page-contact .peek-bar,
  .page-contact .crumb a {
    transition: none;
  }
}
</main>