.page-contact {
  --pc-gap: clamp(1.25rem, 3vw, 2.25rem);
  --pc-shell-pad: clamp(1rem, 4vw, 2.5rem);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: 1.25rem 0 0;
  font-size: .8125rem;
  color: var(--muted);
}

.page-contact .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

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

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(1.5rem, 3.5vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(56px, 12vw, 160px);
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  width: min(340px, 46vw);
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 12px);
  opacity: .9;
}

.page-contact .contact-hero h1 {
  margin: .7rem 0 0;
  max-width: 22ch;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.page-contact .contact-hero .lede {
  margin: 1.15rem 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.75rem;
  margin: 1.6rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--silver);
}

.page-contact .hero-facts li {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.page-contact .hero-facts .dot {
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- 通用区块 ---------- */

.page-contact .contact-section {
  padding-top: clamp(2.75rem, 6vw, 4.5rem);
}

.page-contact .section-head {
  max-width: 66ch;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .section-head .section-title {
  margin: 0 0 .7rem;
  font-size: clamp(1.5rem, 3.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.page-contact .section-head .prose {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--silver);
}

/* ---------- 渠道一览 ---------- */

.page-contact .contact-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .channel-col {
  display: flex;
  flex-direction: column;
  gap: var(--pc-gap);
  min-width: 0;
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 1.75rem) clamp(1.1rem, 2.5vw, 1.5rem) clamp(1.6rem, 3.5vw, 2.15rem);
  background: var(--ink-2);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  transition: transform .18s ease, border-color .18s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--line);
}

.page-contact .channel-card--mail::before { background: var(--cyan); }
.page-contact .channel-card--phone::before { background: var(--orange); }
.page-contact .channel-card--addr::before { background: var(--violet); }

.page-contact .channel-card:hover {
  transform: translate(-2px, -2px);
}

.page-contact .channel-card--mail:hover { border-color: var(--cyan-edge); }
.page-contact .channel-card--phone:hover { border-color: var(--orange-edge); }
.page-contact .channel-card--addr:hover { border-color: var(--violet-edge); }

.page-contact .channel-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .7rem;
}

.page-contact .channel-card__num {
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .channel-card__title {
  margin: 0 0 .55rem;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .channel-card__value {
  margin: 0 0 .7rem;
  font-size: clamp(.9rem, 2.4vw, 1.0625rem);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel-card--phone .channel-card__value { color: var(--orange); }
.page-contact .channel-card--addr .channel-card__value {
  color: var(--white);
  font-size: .9375rem;
}

.page-contact .channel-card__desc {
  margin: 0 0 1.05rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .channel-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  padding-top: .9rem;
  border-top: 1px dashed var(--line);
}

.page-contact .copy-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem .95rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--silver);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .copy-btn[data-copied] {
  color: var(--ink);
  background: var(--green);
  border-color: var(--green);
}

/* ---------- 侧栏：图片与时段 ---------- */

.page-contact .channel-side {
  display: flex;
  flex-direction: column;
  gap: var(--pc-gap);
  min-width: 0;
}

.page-contact .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  aspect-ratio: 3 / 2;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .hours {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.65rem);
  background:
    linear-gradient(180deg, var(--cyan-soft), transparent 62%),
    var(--ink-2);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .hours__label {
  margin: 0;
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .hours__title {
  margin: .55rem 0 .3rem;
  font-size: clamp(1.25rem, 3.4vw, 1.6rem);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .hours__sub {
  margin: 0 0 1.1rem;
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--silver);
}

.page-contact .hours-bar {
  display: flex;
  height: 10px;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-contact .hours-bar__seg { height: 100%; }

.page-contact .hours-bar__seg--off {
  flex: 9;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 2px, transparent 2px 7px);
}

.page-contact .hours-bar__seg--night { flex: 6; }

.page-contact .hours-bar__seg--on {
  flex: 9;
  background: var(--cyan);
}

.page-contact .hours-scale {
  display: flex;
  justify-content: space-between;
  margin: .5rem 0 1rem;
  padding: 0;
  list-style: none;
  font-size: .6875rem;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .hours__note {
  margin: 0;
  font-size: .875rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 场景分段 ---------- */

.page-contact .scene-tabs {
  border-top: 2px solid var(--line);
}

.page-contact .scene-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scene-tabs .tabs__tab {
  appearance: none;
  padding: .6rem 1.15rem;
  font-family: var(--font-sans);
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--silver);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.page-contact .scene-tabs .tabs__tab:hover {
  color: var(--white);
  border-color: var(--cyan-edge);
}

.page-contact .scene-tabs .tabs__tab[aria-selected="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .scene-tabs .tabs__panel {
  padding: clamp(1.35rem, 3.5vw, 2.25rem) 0 0;
  animation: pc-contact-fade .18s ease both;
}

.page-contact .scene-tabs .tabs__panel[hidden] {
  display: none;
}

@keyframes pc-contact-fade {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

.page-contact .scene-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.25rem);
  align-items: start;
}

.page-contact .scene-title {
  margin: 0 0 .7rem;
  font-size: clamp(1.1875rem, 3vw, 1.4375rem);
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--white);
}

.page-contact .panel-lede {
  margin: 0 0 1.15rem;
  max-width: 60ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .checklist {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.page-contact .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  width: 100%;
  padding: .75rem .95rem;
  text-align: left;
  font-family: var(--font-sans);
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--silver);
  background: rgba(18, 25, 34, .82);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.page-contact .checklist__item:hover {
  color: var(--white);
  border-color: var(--cyan-edge);
}

.page-contact .checklist__box {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: .22rem;
  border: 1.5px solid var(--line);
  background: transparent;
  transition: background-color .16s ease, border-color .16s ease;
}

.page-contact .checklist__item[aria-pressed="true"] {
  color: var(--white);
  border-color: var(--green);
}

.page-contact .checklist__item[aria-pressed="true"] .checklist__box {
  background: var(--green);
  border-color: var(--green);
}

.page-contact .checklist__item[aria-pressed="true"] .checklist__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
}

.page-contact .scene-aside {
  padding: clamp(1rem, 2.6vw, 1.4rem);
  background: var(--ink);
  border: 1px solid var(--line);
  border-left: 4px solid var(--violet);
}

.page-contact .scene-aside__label {
  margin: 0 0 .6rem;
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--violet);
}

.page-contact .scene-aside__link {
  display: block;
  margin-bottom: .65rem;
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--violet-edge);
  transition: color .16s ease, border-color .16s ease;
}

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

.page-contact .scene-aside__note {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 来件模板 ---------- */

.page-contact .template-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .template-main {
  min-width: 0;
}

.page-contact .template-main .section-title {
  margin: 0 0 .7rem;
  font-size: clamp(1.5rem, 3.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
}

.page-contact .template-main .prose {
  margin: 0;
  max-width: 60ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .template-block {
  margin-top: 1.35rem;
  border: 2px solid var(--line);
  background: var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-contact .template-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--line);
  font-size: .75rem;
  color: var(--silver);
}

.page-contact .template-code {
  margin: 0;
  padding: 1.05rem 1rem;
  overflow-x: auto;
  font-size: .8125rem;
  line-height: 1.95;
  letter-spacing: .02em;
  color: var(--white);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

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

.page-contact .template-hint {
  margin: 1rem 0 0;
  padding-left: .9rem;
  border-left: 3px solid var(--amber);
  font-size: .875rem;
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .template-figure {
  margin: 0;
}

/* ---------- 服务地区与备案 ---------- */

.page-contact .region-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.25rem);
  padding: clamp(1.35rem, 3.4vw, 2.1rem);
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-left: 6px solid var(--orange);
  box-shadow: var(--shadow-hard);
}

.page-contact .region-note__main .section-title {
  margin: 0 0 .7rem;
  font-size: clamp(1.375rem, 3.2vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .region-note__main .prose {
  margin: 0 0 1.15rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .region-note .btn {
  display: inline-flex;
  align-items: center;
  padding: .6rem 1.1rem;
  font-size: .875rem;
  font-weight: 700;
  text-decoration: none;
  transition: color .16s ease, background-color .16s ease, border-color .16s ease;
}

.page-contact .region-list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .region-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem 1rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .region-row dt {
  flex: none;
  min-width: 9ch;
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .region-row dd {
  margin: 0;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--white);
  overflow-wrap: anywhere;
}

/* ---------- 延伸页面 ---------- */

.page-contact .link-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(.85rem, 2vw, 1.15rem);
}

.page-contact .link-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: clamp(1rem, 2.6vw, 1.4rem);
  background: var(--ink-2);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, background-color .16s ease;
}

.page-contact .link-card:hover,
.page-contact .link-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: #16202B;
}

.page-contact .link-card__num {
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .link-card__title {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .link-card__desc {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 响应式 ---------- */

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

@media (min-width: 860px) {
  .page-contact .region-note {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .scene-panel-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .template-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .channel-side {
    position: sticky;
    top: calc(var(--header-h) + 1rem);
  }
}

@media (min-width: 1100px) {
  .page-contact .link-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-contact .hero-facts {
    font-size: .75rem;
    gap: .5rem 1rem;
  }

  .page-contact .channel-card {
    box-shadow: 4px 4px 0 rgba(0, 0, 0, .42);
  }

  .page-contact .hours,
  .page-contact .template-block,
  .page-contact .region-note,
  .page-contact .media-frame {
    box-shadow: 4px 4px 0 rgba(0, 0, 0, .42);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scene-tabs .tabs__panel {
    animation: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .link-card:hover,
  .page-contact .link-card:focus-visible {
    transform: none;
  }
}