.page-contact {
  --c-cut: 16px;
  --c-gap: 24px;
  overflow-x: clip;
  padding-bottom: clamp(64px, 9vw, 112px);
  background-image:
    radial-gradient(760px 460px at 88% -8%, rgba(55, 226, 213, .10), transparent 68%),
    radial-gradient(540px 420px at -6% 34%, rgba(255, 138, 61, .06), transparent 68%);
  background-repeat: no-repeat;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-block: clamp(20px, 4vw, 30px) 2px;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  padding: 0 8px;
  color: var(--line);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--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(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(20px, 3.4vw, 32px) clamp(48px, 7vw, 82px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 48px);
  align-items: center;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(33px, 6.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 48ch;
  font-size: clamp(15.5px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 32px);
}

.page-contact .contact-hero__meta {
  display: grid;
  gap: 10px;
  margin: clamp(26px, 3vw, 34px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-hero__meta .mono {
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    repeating-radial-gradient(circle at 78% 30%, rgba(55, 226, 213, .10) 0 1px, transparent 1px 26px),
    linear-gradient(150deg, #102A45 0%, #0A1B2E 72%);
  clip-path: polygon(0 22px, 22px 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
}

.page-contact .contact-hero__figure figcaption,
.page-contact .brief-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-channels,
.page-contact .contact-brief,
.page-contact .contact-duty,
.page-contact .contact-visit,
.page-contact .contact-precheck {
  padding-block: clamp(42px, 6vw, 70px);
}

.page-contact .contact-channels > .container::before,
.page-contact .contact-brief > .container::before,
.page-contact .contact-precheck > .container::before {
  content: "";
  display: block;
  height: 1px;
  background: var(--line-soft);
  margin-bottom: clamp(26px, 3.6vw, 42px);
}

.page-contact .section-head__note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 三种联系方式 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-contact .channel {
  display: grid;
  gap: 14px;
  padding: 22px 22px 24px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 var(--c-cut), var(--c-cut) 0, 100% 0, 100% calc(100% - var(--c-cut)), calc(100% - var(--c-cut)) 100%, 0 100%);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel:hover {
  background: var(--ink-700);
  border-color: var(--line);
}

.page-contact .channel__index {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
  margin: 0;
}

.page-contact .channel__main {
  min-width: 0;
}

.page-contact .channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .channel__note {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .channel__value-wrap {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.2vw, 22px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

/* ---------- 描述问题四要素 ---------- */
.page-contact .brief-grid {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  margin-top: clamp(24px, 3.4vw, 36px);
  align-items: start;
}

.page-contact .brief-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .brief-item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .brief-item__num {
  grid-row: span 2;
  padding-top: 3px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .brief-item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .brief-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-contact .brief-figure__media {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
  clip-path: polygon(0 20px, 20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .brief-figure__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 值班时段 ---------- */
.page-contact .duty-panel {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(23, 57, 91, .88) 0%, rgba(16, 42, 69, .94) 100%);
  clip-path: polygon(0 24px, 24px 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .duty-panel__time {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 7.4vw, 46px);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .duty-panel__days {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .duty-panel__status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  padding: 8px 15px 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(89, 227, 155, .08);
  font-size: 13px;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .duty-panel__status::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(89, 227, 155, .16);
  animation: page-contact-pulse 2.6s var(--ease) infinite;
}

@keyframes page-contact-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(89, 227, 155, .16); }
  50% { box-shadow: 0 0 0 8px rgba(89, 227, 155, .04); }
}

.page-contact .duty-panel__body h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .duty-panel__body > p {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .duty-facts {
  margin: clamp(22px, 3vw, 30px) 0 0;
  display: grid;
}

.page-contact .duty-facts > div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 6px 18px;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .duty-facts dt {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .duty-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 到访信息 ---------- */
.page-contact .visit-card {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-contact .visit-card__weave {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(40, 72, 107, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(40, 72, 107, .55) 1px, transparent 1px);
  background-size: 42px 42px;
  -webkit-mask-image: radial-gradient(120% 100% at 100% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(120% 100% at 100% 0%, #000 0%, transparent 74%);
  opacity: .75;
}

.page-contact .visit-card__body {
  position: relative;
  max-width: 68ch;
}

.page-contact .visit-card__body h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .visit-card__addr {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.2vw, 20px);
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .visit-card__body p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .visit-card__link {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 提交前自查 ---------- */
.page-contact .precheck-list {
  display: grid;
  gap: 14px;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .precheck-card {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 22px;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .precheck-card:hover,
.page-contact .precheck-card:focus-visible {
  background: var(--ink-700);
  border-color: var(--cyan);
}

.page-contact .precheck-card__num {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .precheck-card__text {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.page-contact .precheck-card__title {
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .precheck-card__note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .precheck-card__go {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-contact .precheck-card:hover .precheck-card__go {
  transform: translateX(5px);
}

/* ---------- 结尾 ---------- */
.page-contact .contact-outro {
  display: grid;
  gap: 20px;
  padding-top: clamp(34px, 5vw, 54px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-outro p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-list {
    gap: 16px;
  }

  .page-contact .precheck-card {
    grid-template-columns: 44px minmax(0, 1fr) 26px;
    gap: 22px;
    padding: 22px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 64px);
  }

  .page-contact .channel {
    grid-template-columns: 46px minmax(0, 1fr) minmax(0, auto);
    align-items: center;
    column-gap: 26px;
    padding: 24px 30px;
  }

  .page-contact .channel__note {
    max-width: 48ch;
  }

  .page-contact .channel__value-wrap {
    justify-items: end;
    text-align: right;
    max-width: 320px;
  }

  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(36px, 4.6vw, 56px);
  }

  .page-contact .duty-panel {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .contact-outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (min-width: 1200px) {
  .page-contact .channel {
    grid-template-columns: 52px minmax(0, 1fr) minmax(0, 340px);
    column-gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .duty-panel__status::before {
    animation: none;
  }

  .page-contact .precheck-card:hover .precheck-card__go {
    transform: none;
  }
}