.page-contact {
  display: block;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 26px var(--pad-x) 64px;
  color: var(--mist-50);
}

.page-contact > * + * {
  margin-top: 42px;
}

.page-contact a {
  color: var(--mist-50);
  text-decoration: underline;
  text-decoration-color: var(--flare-500);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color .16s var(--ease);
}

.page-contact a:hover {
  color: var(--flare-500);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--signal-400);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  display: block;
}

.page-contact .contact-hero__eyebrow {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist-300);
}

.page-contact .contact-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 18ch;
}

.page-contact .contact-lead {
  margin: 18px 0 0;
  max-width: 36ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 横幅 ---------- */

.page-contact .contact-banner {
  margin: 0;
  border: var(--stroke) solid var(--line-500);
  box-shadow: var(--hard);
  background: var(--turf-700);
  overflow: hidden;
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通用小节标题 ---------- */

.page-contact .section-head {
  display: grid;
  gap: 8px;
  border-top: var(--stroke) solid var(--line-500);
  padding-top: 16px;
}

.page-contact .section-head__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--flare-500);
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.8vw, 34px);
  line-height: 1.22;
  letter-spacing: -.01em;
  max-width: 22ch;
}

.page-contact .section-head__sub {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 三条通道 ---------- */

.page-contact .channel-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--stroke) solid var(--line-500);
}

.page-contact .channel-row {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 14px;
  padding: 18px 0;
  border-bottom: 2px solid var(--line-500);
}

.page-contact .channel-row__no {
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--flare-500);
}

.page-contact .channel-row__case {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.42;
}

.page-contact .channel-row__act {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-300);
}

/* ---------- 联络信息 ---------- */

.page-contact .matrix__grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-contact .matrix__card {
  background: var(--turf-600);
  border: var(--stroke) solid var(--line-500);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  padding: 20px 18px 22px;
  transition: border-color .16s var(--ease), transform .16s var(--ease), box-shadow .16s var(--ease);
}

@media (hover: hover) {
  .page-contact .matrix__card:hover {
    border-color: var(--flare-500);
    transform: translateY(-2px);
    box-shadow: 8px 8px 0 var(--shade);
  }
}

.page-contact .matrix__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--mist-300);
}

.page-contact .matrix__val {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.4;
  color: var(--mist-50);
  overflow-wrap: anywhere;
}

.page-contact .matrix__val--mail {
  font-size: clamp(19px, 4.6vw, 30px);
  letter-spacing: -.01em;
  color: var(--flare-500);
}

.page-contact .matrix__val--addr {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.62;
}

.page-contact .matrix__note {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-300);
}

/* ---------- 响应流程 ---------- */

.page-contact .flow {
  display: grid;
  gap: 26px;
}

.page-contact .flow-steps {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-contact .flow-step {
  background: var(--turf-700);
  border: var(--stroke) solid var(--line-500);
  border-radius: var(--radius);
  box-shadow: var(--hard-sm);
}

.page-contact .flow-step > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.page-contact .flow-step > summary::-webkit-details-marker {
  display: none;
}

.page-contact .flow-step__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--flare-500);
}

.page-contact .flow-step__title {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.42;
}

.page-contact .flow-step__mark {
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--mist-300);
  transition: transform .2s var(--ease), color .2s var(--ease);
}

.page-contact .flow-step[open] {
  border-color: var(--flare-500);
}

.page-contact .flow-step[open] .flow-step__mark {
  transform: rotate(45deg);
  color: var(--flare-500);
}

.page-contact .flow-step__body {
  margin: 0;
  padding: 14px 16px 18px;
  border-top: 2px solid var(--line-500);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-contact .flow__media {
  margin: 0;
  background: var(--turf-700);
  border: var(--stroke) solid var(--line-500);
  box-shadow: var(--hard);
  overflow: hidden;
}

.page-contact .flow__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 写邮件提示 ---------- */

.page-contact .tips {
  background: var(--turf-700);
  border: var(--stroke) solid var(--line-500);
  border-radius: var(--radius);
  box-shadow: var(--hard);
  padding: 24px 20px 26px;
}

.page-contact .tips h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.26;
}

.page-contact .tips h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-top: 12px;
  background: var(--flare-500);
}

.page-contact .tips__list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .tips__list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.72;
}

.page-contact .tips__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  background: var(--flare-500);
  border-radius: 1px;
}

.page-contact .tips__more {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 2px solid var(--line-500);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-300);
}

/* ---------- 服务时段条 ---------- */

.page-contact .hours-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin: 0;
  padding: 16px 18px;
  background: var(--turf-600);
  border: var(--stroke) solid var(--line-500);
  border-left: 4px solid var(--signal-400);
  border-radius: var(--radius);
  font-size: 15px;
  line-height: 1.68;
  color: var(--mist-300);
}

.page-contact .hours-bar__state {
  flex: 0 0 auto;
  padding: 3px 9px;
  border: 1px solid var(--signal-400);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--signal-400);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 860px) {
  .page-contact .contact-hero h1 {
    max-width: 20ch;
  }

  .page-contact .contact-lead {
    max-width: 42ch;
    font-size: 18px;
  }

  .page-contact .channel-row {
    grid-template-columns: 58px 1fr 1.25fr;
    align-items: baseline;
    gap: 0 26px;
  }

  .page-contact .channel-row__no {
    grid-row: auto;
    padding-top: 6px;
  }

  .page-contact .channel-row__case {
    padding-right: 14px;
  }

  .page-contact .matrix__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 22px;
  }

  .page-contact .matrix__card--mail {
    grid-column: span 7;
  }

  .page-contact .matrix__card--phone {
    grid-column: span 5;
  }

  .page-contact .matrix__card--addr {
    grid-column: span 8;
  }

  .page-contact .tips {
    padding: 28px 26px 30px;
  }

  .page-contact .tips__list {
    grid-template-columns: 1fr 1fr;
    gap: 14px 30px;
  }
}

@media (min-width: 1000px) {
  .page-contact .flow {
    grid-template-columns: 1.12fr .88fr;
    gap: 34px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .matrix__card,
  .page-contact .flow-step__mark {
    transition: none;
  }
}