.page-contact {
  background-color: var(--ink-deep);
  color: var(--bone);
  font-family: var(--font-sans);
  line-height: 1.75;
}

.page-contact .shell {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 16px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.55) contrast(1.06);
  z-index: 0;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 64px),
    linear-gradient(180deg, rgba(11, 33, 28, .5) 0%, rgba(11, 33, 28, .9) 72%, var(--ink-deep) 100%);
}

.page-contact .contact-hero .shell {
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__eyebrow {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-size: clamp(28px, 7.2vw, 46px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--bone);
  transform: skewX(-2deg);
  transform-origin: left center;
}

.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 33em;
  font-size: 15.5px;
  color: var(--mist-hi);
}

/* ---------- 双通道卡 ---------- */

.page-contact .contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
  scroll-margin-top: 76px;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 22px 18px 22px 24px;
  border: 1px solid var(--line);
  transition: border-color 120ms var(--ease), transform 160ms var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--cyan);
  transition: background-color 120ms var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .channel--solid {
  background-color: var(--ink-panel);
}

.page-contact .channel--glass {
  background-color: var(--glass);
  border-color: var(--line-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-contact .channel--glass::before {
  background-color: var(--orange);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--bone);
}

.page-contact .channel__link {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--bone);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  word-break: break-all;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .channel__link:hover,
.page-contact .channel__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .channel__link--tel {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  border-bottom-color: var(--line);
}

.page-contact .channel__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist-hi);
}

.page-contact .channel__note {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--orange);
}

/* ---------- 页内目录 ---------- */

.page-contact .contact-index {
  border-bottom: 1px solid var(--line);
  background-color: rgba(11, 33, 28, .94);
}

.page-contact .contact-index .shell {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  padding-block: 13px;
}

.page-contact .contact-index a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-contact .contact-index a:hover,
.page-contact .contact-index a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 编号说明区 ---------- */

.page-contact .contact-section {
  padding: 38px 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 76px;
}

.page-contact .contact-section__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .contact-section__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .contact-section__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 4.8vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--bone);
}

.page-contact .contact-section__body p {
  max-width: 34em;
  margin: 0 0 14px;
  font-size: 15.5px;
  color: var(--mist-hi);
}

.page-contact .contact-section__body p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-section__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
  transition: border-color 120ms var(--ease);
}

.page-contact .contact-section__body a:hover {
  border-bottom-color: var(--cyan);
}

/* 要点列表 */

.page-contact .check-list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 26px;
  max-width: 34em;
  font-size: 15px;
  color: var(--mist-hi);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 11px;
  height: 11px;
  border: 1px solid var(--cyan);
  transform: skewX(-8deg);
}

.page-contact .check-list strong {
  color: var(--bone);
  font-weight: 600;
}

/* 数据条 */

.page-contact .stat-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .stat {
  border: 1px solid var(--line);
  background-color: var(--ink-panel);
  padding: 15px 16px;
  transition: border-color 120ms var(--ease);
}

.page-contact .stat:hover {
  border-color: var(--cyan);
}

.page-contact .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(23px, 6vw, 34px);
  line-height: 1.08;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .stat--accent .stat__num {
  color: var(--orange);
}

.page-contact .stat__cap {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* 地址坐标块 */

.page-contact .coord-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 20px;
}

.page-contact .coord-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background-color: var(--line-soft);
}

.page-contact .coord-cell {
  background-color: var(--ink-panel);
  padding: 14px 16px;
}

.page-contact .coord-cell__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .coord-cell__value {
  margin: 0;
  font-size: 14.5px;
  color: var(--bone);
  word-break: break-word;
}

.page-contact .contact-coord-fig {
  margin: 0;
}

.page-contact .contact-coord-fig .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 写信前准备 */

.page-contact .prepare-list {
  list-style: none;
  counter-reset: prep;
  margin: 20px 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .prepare-list li {
  counter-increment: prep;
  position: relative;
  padding-left: 44px;
}

.page-contact .prepare-list li::before {
  content: "0" counter(prep);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-contact .prepare-list h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--bone);
}

.page-contact .prepare-list p {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  color: var(--mist-hi);
}

/* ---------- 收束区 ---------- */

.page-contact .contact-coda {
  position: relative;
  overflow: hidden;
  margin-top: 0;
  padding: 38px 0 52px;
  background-color: var(--slate);
  border-top: 1px solid var(--line);
}

.page-contact .contact-coda::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(79, 227, 193, .09) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(79, 227, 193, .09) 0 1px, transparent 1px 64px);
}

.page-contact .contact-coda .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-coda__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-coda__title {
  margin: 12px 0 10px;
  font-size: clamp(22px, 5vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--bone);
  transform: skewX(-2deg);
  transform-origin: left center;
}

.page-contact .contact-coda__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  color: var(--mist-hi);
}

.page-contact .contact-coda__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
}

.page-contact .contact-coda__text a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-coda__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: 28px 0 52px;
  }

  .page-contact .contact-channels {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-contact .contact-channels .channel--glass {
    margin-top: 18px;
  }

  .page-contact .stat-row {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .coord-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-index .shell {
    gap: 8px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 34px 0 64px;
  }

  .page-contact .contact-hero__title {
    max-width: 20em;
  }

  .page-contact .contact-index {
    position: sticky;
    top: 0;
    z-index: 6;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }

  .page-contact .contact-section {
    padding: 54px 0;
  }

  .page-contact .contact-section__inner {
    grid-template-columns: minmax(0, 2fr) minmax(0, 10fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .coord-wrap {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 24px;
  }

  .page-contact .contact-coda {
    padding: 52px 0 72px;
  }

  .page-contact .contact-coda__actions {
    margin-top: 26px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__lede {
    font-size: 16.5px;
  }

  .page-contact .contact-section__body p,
  .page-contact .check-list li {
    font-size: 16px;
  }
}
</main>