.page-contact {
  --contact-gap: clamp(.9rem, 1.8vw, 1.5rem);
  --contact-offset-a: clamp(1.25rem, 3vw, 2.5rem);
  --contact-offset-b: clamp(2.5rem, 6vw, 4.5rem);
  --contact-line: 1px solid var(--grid);
  color: var(--body-ink);
  font-family: var(--font-body);
  padding-bottom: clamp(4rem, 9vw, 7rem);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1.75rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}
.page-contact .breadcrumb [aria-current] {
  color: var(--ink);
}

/* 通用章节文字 */
.page-contact .contact-num {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .contact-num .mono {
  font-size: 1.05rem;
  color: var(--cyan);
  letter-spacing: .05em;
}
.page-contact .contact-h2 {
  margin: 0 0 .9rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.1vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.18;
  color: var(--ink);
}
.page-contact .contact-p {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--body-ink);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 3rem);
  padding-bottom: clamp(2.25rem, 5vw, 3.5rem);
}
@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: end;
    column-gap: clamp(2rem, 4.5vw, 4.5rem);
  }
}
.page-contact .contact-hero__coord {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .contact-hero__title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.2vw, 4rem);
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: 1.04;
  color: var(--ink);
}
.page-contact .contact-hero__lead {
  margin: 0 0 1.6rem;
  max-width: 32em;
  font-size: clamp(.96rem, 1.2vw, 1.06rem);
  line-height: 1.78;
  color: var(--body-ink);
}
.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  font-size: .86rem;
  color: var(--muted);
  padding-left: .9rem;
  border-left: 1px solid var(--cyan-a34);
}
.page-contact .contact-hero__facts .mono {
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: var(--contact-line);
  background: var(--console);
  overflow: hidden;
}
.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 52%, var(--cyan-a08) 100%);
  pointer-events: none;
}
.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}
.page-contact .contact-hero__figure figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: .5rem .85rem;
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(5, 11, 26, .82);
  border-top: 1px solid var(--grid);
  border-right: 1px solid var(--grid);
}

/* 渠道 */
.page-contact .contact-channels {
  padding-block: clamp(2.5rem, 6vw, 4.25rem);
  border-top: var(--contact-line);
}
.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}
@media (min-width: 820px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
    column-gap: clamp(1rem, 1.8vw, 1.6rem);
  }
  .page-contact .contact-card--mail {
    grid-column: 1 / span 7;
    grid-row: 1;
  }
  .page-contact .contact-card--phone {
    grid-column: 9 / span 4;
    grid-row: 1;
    margin-top: var(--contact-offset-a);
  }
  .page-contact .contact-card--addr {
    grid-column: 4 / span 7;
    grid-row: 2;
    margin-top: var(--contact-offset-b);
  }
}

.page-contact .contact-card {
  position: relative;
  min-width: 0;
  padding: clamp(1.25rem, 2.2vw, 1.85rem);
  border: var(--contact-line);
  background: var(--console);
  transition: border-color .2s ease, background-color .2s ease;
}
.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: var(--cyan-a34);
  background: #0c1e3a;
}
.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: 1.1rem;
}
.page-contact .contact-card__badge {
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}
.page-contact .contact-card__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 1.8vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--ink);
}
.page-contact .contact-card__value {
  display: block;
  margin: 0 0 .85rem;
  font-size: clamp(.95rem, 1.4vw, 1.08rem);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--cyan);
  word-break: break-word;
}
.page-contact .contact-card__desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--body-ink);
  max-width: 34em;
}

.page-contact .contact-card--phone .contact-card__value {
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  color: var(--cyan-bright);
  letter-spacing: .04em;
}
.page-contact .contact-card__note {
  margin: 1rem 0 0;
  padding-top: .85rem;
  border-top: var(--contact-line);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .contact-card--addr {
  padding-bottom: 0;
}
.page-contact .contact-card__axis {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: 0 0 .7rem;
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .contact-card__axis span {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}
.page-contact .contact-card__axis span:not(:last-child)::after {
  content: "";
  width: 1px;
  height: .7em;
  background: var(--steel);
}
.page-contact .contact-card__value--addr {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.5;
  color: var(--ink);
}
.page-contact .contact-card__fig {
  margin: clamp(1.1rem, 2vw, 1.5rem) 0 0;
  border-top: var(--contact-line);
  overflow: hidden;
}
.page-contact .contact-card__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  opacity: .9;
}

/* 邮件写法 */
.page-contact .contact-mail {
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
  border-top: var(--contact-line);
}
.page-contact .contact-mail__head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}
.page-contact .contact-mail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--contact-line);
}
.page-contact .contact-mail__list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(.9rem, 2.4vw, 2rem);
  padding: clamp(1.1rem, 2.4vw, 1.6rem) 0;
  border-bottom: var(--contact-line);
  transition: background-color .2s ease;
}
.page-contact .contact-mail__list > li:hover {
  background-color: var(--cyan-a08);
}
.page-contact .contact-mail__idx {
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--steel);
  padding-top: .25rem;
  transition: color .2s ease;
}
.page-contact .contact-mail__list > li:hover .contact-mail__idx {
  color: var(--cyan);
}
.page-contact .contact-mail__item-title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  font-weight: 700;
  letter-spacing: -.005em;
  color: var(--ink);
}
.page-contact .contact-mail__item-body {
  margin: 0;
  max-width: 52em;
  font-size: .94rem;
  line-height: 1.76;
  color: var(--body-ink);
}
.page-contact .contact-mail__foot {
  margin: clamp(1.5rem, 3vw, 2rem) 0 0;
  max-width: 60em;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .contact-mail__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a34);
  transition: border-color .2s ease, color .2s ease;
}
.page-contact .contact-mail__foot a:hover,
.page-contact .contact-mail__foot a:focus-visible {
  border-bottom-color: var(--cyan);
  outline: none;
}

/* 时效时间轴 */
.page-contact .contact-time {
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
  border-top: var(--contact-line);
}
.page-contact .contact-time__rail {
  margin-top: clamp(1.75rem, 3.5vw, 2.75rem);
  padding: clamp(1.5rem, 3vw, 2rem) 0 clamp(1rem, 2vw, 1.5rem);
  border-top: var(--contact-line);
  border-bottom: var(--contact-line);
}
.page-contact .contact-time__axis {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(.5rem, 1.4vw, 1rem);
  padding-top: 2.4rem;
}
.page-contact .contact-time__axis::before {
  content: "";
  position: absolute;
  top: 1.85rem;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan-a34), var(--grid) 22%, var(--grid) 78%, transparent);
}
.page-contact .contact-time__tick {
  position: relative;
  padding: 0 .5rem;
  outline: none;
}
.page-contact .contact-time__tick::before {
  content: "";
  position: absolute;
  top: -0.72rem;
  left: .5rem;
  width: 8px;
  height: 8px;
  background: var(--void);
  border: 1px solid var(--cyan-a34);
  transform: rotate(45deg);
  transition: background-color .2s ease, border-color .2s ease;
}
.page-contact .contact-time__tick:hover::before,
.page-contact .contact-time__tick:focus-visible::before {
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-contact .contact-time__tick span {
  display: block;
  font-size: .84rem;
  letter-spacing: .08em;
  color: var(--cyan);
  margin-bottom: .45rem;
}
.page-contact .contact-time__tick p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.62;
  color: var(--muted);
  transition: color .2s ease;
}
.page-contact .contact-time__tick:hover p,
.page-contact .contact-time__tick:focus-visible p {
  color: var(--body-ink);
}

.page-contact .contact-time__stats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--grid);
}
@media (min-width: 720px) {
  .page-contact .contact-time__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-contact .contact-time__stat {
  background: var(--console);
  padding: clamp(1.1rem, 2.4vw, 1.65rem);
}
.page-contact .contact-time__stat-value {
  display: block;
  margin-bottom: .55rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.1;
  color: var(--cyan);
}
.page-contact .contact-time__stat p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.62;
  color: var(--muted);
}

/* 自助排查 */
.page-contact .contact-prep {
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
  border-top: var(--contact-line);
}
.page-contact .contact-prep__head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}
.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}
@media (min-width: 780px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .prep-card {
  display: block;
  padding: clamp(1.25rem, 2.5vw, 1.9rem);
  border: var(--contact-line);
  background: var(--console);
  color: inherit;
  text-decoration: none;
  transition: border-color .2s ease, background-color .2s ease;
}
.page-contact .prep-card:hover,
.page-contact .prep-card:focus-visible {
  border-color: var(--cyan-a34);
  background: #0c1e3a;
  outline: none;
}
.page-contact .prep-card__idx {
  display: inline-block;
  margin-bottom: .85rem;
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--violet-soft);
}
.page-contact .prep-card h3 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.7vw, 1.28rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink);
}
.page-contact .prep-card p {
  margin: 0 0 1.15rem;
  font-size: .94rem;
  line-height: 1.74;
  color: var(--body-ink);
}
.page-contact .prep-card__cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan-a34);
  padding-bottom: 2px;
  transition: border-color .2s ease;
}
.page-contact .prep-card:hover .prep-card__cta,
.page-contact .prep-card:focus-visible .prep-card__cta {
  border-bottom-color: var(--cyan);
}

/* 窄屏时间轴改为纵向 */
@media (max-width: 719px) {
  .page-contact .contact-time__axis {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding-top: 0;
  }
  .page-contact .contact-time__axis::before {
    display: none;
  }
  .page-contact .contact-time__tick {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: .85rem;
    align-items: start;
    padding: .85rem 0 .85rem 1.1rem;
    border-left: 1px solid var(--grid);
  }
  .page-contact .contact-time__tick::before {
    position: static;
    display: block;
    margin-top: .28rem;
    transform: rotate(45deg);
  }
  .page-contact .contact-time__tick span {
    margin-bottom: 0;
    padding-top: .1rem;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-card__value {
    font-size: .9rem;
  }
  .page-contact .contact-time__tick {
    grid-template-columns: minmax(0, 1fr);
    gap: .35rem;
  }
}