.page-contact {
  --pc-grid-line: rgba(46, 74, 95, 0.55);
  --pc-glow: rgba(255, 200, 87, 0.3);
  display: block;
  background: var(--ink);
  color: var(--foam);
  font-family: var(--font-body);
}

.page-contact [id] {
  scroll-margin-top: 96px;
}

.page-contact .section {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2.5rem, 6vw, 4.25rem);
  border-bottom: var(--line);
  background: var(--ink);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
  opacity: 0.34;
  filter: saturate(0.7) contrast(1.08);
  z-index: -2;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--pc-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-grid-line) 1px, transparent 1px);
  background-size: 58px 58px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(125% 110% at 22% 4%, #000 8%, transparent 70%);
  mask-image: radial-gradient(125% 110% at 22% 4%, #000 8%, transparent 70%);
}

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

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .contact-hero__title {
  margin: 0.55rem 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-4);
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__lede {
  margin-top: 1rem;
  max-width: 46ch;
  color: var(--foam-dim);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-contact .contact-hero__aside {
  display: flex;
  justify-content: flex-start;
}

.page-contact .contact-hero__dial {
  position: relative;
  width: min(100%, 250px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-content: center;
  gap: 0.3rem;
  padding: 1.4rem;
  text-align: center;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 24%, rgba(11, 36, 56, 0.96), rgba(4, 18, 29, 0.98));
  box-shadow:
    inset 0 0 0 9px rgba(6, 24, 38, 0.92),
    0 0 46px -10px var(--pc-glow),
    var(--shadow-soft);
}

.page-contact .contact-hero__dial::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(217, 164, 65, 0.45);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-hero__dial-label {
  margin: 0;
  font-family: var(--font-accent);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-hero__dial-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3.4vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--foam);
}

.page-contact .contact-hero__dial-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--mist);
}

/* ---------- 区块共用的标题区 ---------- */
.page-contact .contact-head {
  max-width: 62ch;
}

.page-contact .contact-head .section-title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-3);
  line-height: 1.2;
}

.page-contact .contact-head .lede {
  margin-top: 0.9rem;
  color: var(--foam-soft);
}

/* ---------- 联络方式 ---------- */
.page-contact .contact-channels {
  background: linear-gradient(180deg, var(--harbor) 0%, var(--ink) 100%);
  border-bottom: var(--line);
}

.page-contact .contact-channels__list {
  list-style: none;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.15rem 1.6rem;
  overflow: hidden;
  border: var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(160deg, rgba(11, 36, 56, 0.94), rgba(6, 24, 38, 0.98));
  box-shadow: var(--shadow-soft);
  transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent 72%);
  opacity: 0.75;
}

.page-contact .contact-channel:hover {
  border-color: rgba(217, 164, 65, 0.55);
  transform: translateY(-2px);
}

.page-contact .contact-channel__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .contact-channel__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .contact-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--amber);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-channel__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--foam-dim);
}

/* ---------- 按问题分流 ---------- */
.page-contact .contact-routes {
  background: var(--ink);
  border-bottom: var(--line-soft);
}

.page-contact .contact-lanes {
  margin-top: clamp(1.5rem, 3.5vw, 2.5rem);
  border-top: var(--line);
}

.page-contact .contact-lane {
  display: grid;
  gap: 0.6rem;
  padding: clamp(1.25rem, 3vw, 1.9rem) 0;
  border-bottom: var(--line-soft);
}

.page-contact .contact-lane__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-contact .contact-lane__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .contact-lane__body p {
  margin: 0.55rem 0 0;
  max-width: 62ch;
  line-height: 1.85;
  color: var(--foam-dim);
}

.page-contact .contact-lane__need {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--mist);
}

.page-contact .contact-lane__need span {
  padding: 0.1rem 0.55rem;
  font-size: 0.74rem;
  color: var(--celadon);
  border: 1px solid rgba(127, 183, 163, 0.45);
  border-radius: var(--radius-pill);
}

.page-contact .contact-lane__link {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.88rem;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 200, 87, 0.4);
  transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out);
}

.page-contact .contact-lane__link:hover {
  color: var(--gold);
  border-color: var(--coral);
}

/* ---------- 服务时段（浅色对照） ---------- */
.page-contact .contact-time {
  background: var(--foam);
  color: var(--ink);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-contact .contact-time__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .contact-time__stamp {
  padding-left: 1rem;
  border-left: 3px solid var(--gold);
}

.page-contact .contact-time .eyebrow {
  color: var(--steel);
}

.page-contact .contact-time__clock {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--harbor);
}

.page-contact .contact-time .mono-note {
  color: var(--steel);
}

.page-contact .contact-time .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-time__list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-contact .contact-time__item {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(46, 74, 95, 0.28);
}

.page-contact .contact-time__key {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-contact .contact-time__item p {
  margin: 0;
  max-width: 58ch;
  line-height: 1.85;
  color: var(--harbor);
}

/* ---------- 来信模板 ---------- */
.page-contact .contact-template {
  background: var(--ink);
}

.page-contact .contact-template__grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .contact-template__figure {
  margin: 0;
  overflow: hidden;
  border: var(--line);
  border-radius: var(--radius-card);
  background: var(--harbor);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-template__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .contact-template__figure figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist);
  border-top: var(--line-soft);
}

.page-contact .contact-template__code {
  margin: 0;
  padding: 1.25rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.95;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--foam-dim);
  background: var(--ink-deep);
  border: var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-soft);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-template__code code {
  font-family: inherit;
}

.page-contact .contact-template__hint {
  margin: 0.85rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--mist);
  overflow-wrap: anywhere;
}

/* ---------- 备案与地域 ---------- */
.page-contact .contact-region-wrap {
  background: linear-gradient(180deg, var(--ink) 0%, var(--harbor) 100%);
  border-top: var(--line-soft);
}

.page-contact .contact-region {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: var(--line);
  border-left: 4px solid var(--celadon);
  border-radius: var(--radius-card);
  background:
    radial-gradient(120% 140% at 92% 0%, rgba(26, 43, 76, 0.95) 0%, transparent 58%),
    var(--ink-deep);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-region .section-title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--step-2);
  line-height: 1.3;
}

.page-contact .contact-region__text {
  margin: 0.9rem 0 0;
  max-width: 60ch;
  line-height: 1.85;
  color: var(--foam-dim);
}

.page-contact .contact-region__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 0;
}

.page-contact .contact-region__fact {
  padding: 0.9rem 1rem;
  border: var(--line-soft);
  border-radius: var(--radius-soft);
  background: rgba(11, 36, 56, 0.72);
}

.page-contact .contact-region__fact dt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

.page-contact .contact-region__fact dd {
  margin: 0.35rem 0 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--foam);
}

.page-contact .contact-region__fact dd.contact-region__mono {
  font-family: var(--font-mono);
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .contact-region__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-contact .contact-region__links a {
  padding: 0.42rem 0.95rem;
  font-size: 0.88rem;
  color: var(--foam);
  text-decoration: none;
  border: 1px solid var(--steel);
  border-radius: var(--radius-pill);
  transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.page-contact .contact-region__links a:hover {
  border-color: var(--gold);
  color: var(--amber);
}

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

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

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

@media (min-width: 860px) {
  .page-contact .contact-lane {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0.4rem clamp(1.25rem, 3vw, 2.5rem);
    align-items: start;
  }

  .page-contact .contact-lane__code {
    grid-column: 1;
    padding-top: 0.6rem;
  }

  .page-contact .contact-lane__body {
    grid-column: 2;
  }

  .page-contact .contact-time__grid {
    grid-template-columns: minmax(190px, 0.5fr) minmax(0, 1.5fr);
    align-items: start;
  }

  .page-contact .contact-time__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }

  .page-contact .contact-template__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
    align-items: end;
  }

  .page-contact .contact-hero__aside {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-channels__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-contact .contact-channel:hover {
    transform: none;
  }
}