.page-contact {
  --contact-board-line: rgba(245, 241, 234, .22);
  --contact-board-soft: rgba(245, 241, 234, .78);
}

.page-contact .contact-split,
.page-contact .contact-submit,
.page-contact .contact-visit,
.page-contact .contact-duty {
  scroll-margin-top: 84px;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: 36px 0 22px;
  border-bottom: 1px solid var(--phx-line);
}

.page-contact .contact-hero .phx-eyebrow {
  color: var(--phx-accent-ink);
  margin: 0;
}

.page-contact .contact-hero .phx-h1 {
  margin: 12px 0 16px;
  max-width: 22ch;
  font-size: clamp(1.85rem, 6.4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-contact .contact-hero .phx-lede {
  max-width: 64ch;
  margin: 0;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(38%, 180px);
  height: 68%;
  background: linear-gradient(160deg, rgba(255, 90, 31, .18), rgba(168, 18, 31, .05) 70%, transparent);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

/* ---------- 章节索引 ---------- */

.page-contact .contact-toc {
  margin: 18px 0 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--phx-line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .contact-toc .phx-toc__list {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-toc .phx-toc__link {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--phx-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--phx-muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--phx-ease), border-color .18s var(--phx-ease);
}

.page-contact .contact-toc .phx-toc__link:hover,
.page-contact .contact-toc .phx-toc__link:focus-visible {
  color: var(--phx-flame);
  border-bottom-color: var(--phx-flame);
}

/* ---------- 联系渠道 ---------- */

.page-contact .contact-split,
.page-contact .contact-submit,
.page-contact .contact-visit {
  padding: 54px 0;
}

.page-contact .contact-split .phx-h2,
.page-contact .contact-submit .phx-h2 {
  margin: 0 0 24px;
}

.page-contact .contact-split__grid {
  align-items: start;
}

.page-contact .contact-board {
  position: relative;
  overflow: hidden;
  background: var(--phx-red);
  color: var(--phx-bone);
  border: 1px solid var(--contact-board-line);
  padding: 26px 22px 24px;
}

.page-contact .contact-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(-58deg, rgba(245, 241, 234, .08) 0 1px, transparent 1px 13px);
  pointer-events: none;
}

.page-contact .contact-board > * {
  position: relative;
}

.page-contact .contact-board__eyebrow {
  margin: 0 0 20px;
  color: var(--phx-brass-lite);
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
}

.page-contact .contact-board__list {
  margin: 0;
  display: grid;
}

.page-contact .contact-board__row {
  padding-top: 14px;
  border-top: 1px solid var(--contact-board-line);
}

.page-contact .contact-board__row + .contact-board__row {
  margin-top: 16px;
}

.page-contact .contact-board__key {
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--contact-board-soft);
  margin-bottom: 7px;
}

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

.page-contact .contact-board__mail,
.page-contact .contact-board__tel {
  display: inline-block;
  color: var(--phx-bone);
  font-family: var(--phx-font-mono);
  font-size: clamp(1rem, 4.2vw, 1.45rem);
  letter-spacing: .01em;
  line-height: 1.35;
  text-decoration: none;
  border-bottom: 1px solid var(--phx-flame);
  padding-bottom: 3px;
  overflow-wrap: anywhere;
  transition: color .18s var(--phx-ease), border-color .18s var(--phx-ease);
}

.page-contact .contact-board__mail:hover,
.page-contact .contact-board__mail:focus-visible,
.page-contact .contact-board__tel:hover,
.page-contact .contact-board__tel:focus-visible {
  color: var(--phx-brass-lite);
  border-bottom-color: var(--phx-brass-lite);
}

.page-contact .contact-copy {
  display: inline-block;
  margin: 12px 0 0;
  padding: 7px 13px;
  background: transparent;
  border: 1px solid rgba(245, 241, 234, .42);
  color: var(--phx-bone);
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: background-color .18s var(--phx-ease), border-color .18s var(--phx-ease), color .18s var(--phx-ease);
}

.page-contact .contact-copy:hover,
.page-contact .contact-copy:focus-visible {
  background: var(--phx-flame);
  border-color: var(--phx-flame);
  color: #fff;
}

.page-contact .contact-copy.is-copied {
  background: var(--phx-brass);
  border-color: var(--phx-brass);
  color: var(--phx-night);
}

.page-contact .contact-board__addr {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 241, 234, .94);
}

.page-contact .contact-board__mono {
  font-family: var(--phx-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--phx-brass-lite);
}

.page-contact .contact-board__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--contact-board-line);
  font-size: 13px;
  line-height: 1.85;
  color: var(--contact-board-soft);
}

/* ---------- 右侧：图片 + 值班 ---------- */

.page-contact .contact-side {
  display: grid;
  gap: 26px;
  align-content: start;
}

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

.page-contact .contact-side__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  filter: saturate(.92) contrast(1.06);
}

.page-contact .contact-duty .phx-h3 {
  margin: 0 0 14px;
}

.page-contact .contact-duty__strip {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  padding: 9px 12px;
  background: rgba(18, 58, 43, .1);
  border-left: 2px solid var(--phx-turf);
  font-family: var(--phx-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--phx-fg);
}

.page-contact .contact-duty__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--phx-flame);
  box-shadow: 0 0 0 0 rgba(255, 90, 31, .5);
  animation: contact-pulse 2.4s var(--phx-ease) infinite;
}

@keyframes contact-pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 90, 31, .45); }
  70% { box-shadow: 0 0 0 9px rgba(255, 90, 31, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 31, 0); }
}

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

/* ---------- 提交指引 ---------- */

.page-contact .contact-submit {
  border-top: 1px solid var(--phx-line);
}

.page-contact .contact-submit__lede {
  max-width: 64ch;
  margin: -6px 0 26px;
}

.page-contact .contact-submit__fig {
  margin: 0 0 30px;
}

.page-contact .contact-submit__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--phx-line);
}

.page-contact .contact-steps {
  display: grid;
  gap: 1px;
  background: var(--phx-line);
  border: 1px solid var(--phx-line);
}

.page-contact .contact-step {
  background: var(--phx-bg);
  padding: 24px 20px 26px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .contact-step__num {
  display: inline-block;
  width: fit-content;
  margin: 0;
  padding-bottom: 3px;
  font-family: var(--phx-font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--phx-accent-ink);
  border-bottom: 2px solid var(--phx-brass);
}

.page-contact .contact-step .phx-h3 {
  margin: 0;
}

.page-contact .contact-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
}

.page-contact .contact-step__list {
  margin: 0;
  padding-left: 1.05em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--phx-muted);
}

.page-contact .contact-step__list li + li {
  margin-top: 4px;
}

.page-contact .contact-step__foot {
  margin: 0;
  padding-top: 11px;
  border-top: 1px dashed var(--phx-line-strong);
  font-size: 13px;
  line-height: 1.8;
  color: var(--phx-muted);
}

.page-contact .contact-step__foot a {
  color: var(--phx-accent-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 18, 31, .38);
}

.page-contact .contact-step__foot a:hover,
.page-contact .contact-step__foot a:focus-visible {
  border-bottom-color: var(--phx-accent-ink);
}

/* ---------- 到访与邮寄 ---------- */

.page-contact .contact-visit {
  border-top: 1px solid var(--phx-line);
}

.page-contact .contact-visit__grid {
  align-items: start;
}

.page-contact .contact-visit__main .phx-h2 {
  margin: 0 0 16px;
}

.page-contact .contact-visit__main .phx-body {
  margin: 0;
  max-width: 60ch;
}

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

.page-contact .contact-visit__steps li {
  counter-increment: visitstep;
  position: relative;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .contact-visit__steps li::before {
  content: counter(visitstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 2px 5px;
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  line-height: 1.3;
  color: var(--phx-flame);
  background: rgba(255, 90, 31, .09);
  border: 1px solid rgba(255, 90, 31, .38);
}

.page-contact .contact-visit__card {
  position: relative;
  background: var(--phx-turf);
  color: var(--phx-mist);
  border: 1px solid rgba(245, 241, 234, .16);
  padding: 22px 20px 24px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-contact .contact-visit__card-eyebrow {
  margin: 0 0 12px;
  color: var(--phx-brass-lite);
  font-family: var(--phx-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
}

.page-contact .contact-visit__addr {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: #fff;
}

.page-contact .contact-visit__mono {
  margin: 0 0 14px;
  font-family: var(--phx-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--phx-brass-lite);
}

.page-contact .contact-visit__hint {
  margin: 0;
  padding-top: 13px;
  border-top: 1px solid rgba(245, 241, 234, .2);
  font-size: 13px;
  line-height: 1.78;
  color: rgba(231, 227, 218, .84);
}

/* ---------- 收尾 ---------- */

.page-contact .contact-tail {
  margin: 0;
  padding: 4px 0 64px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--phx-muted);
  max-width: 70ch;
}

.page-contact .contact-tail a {
  color: var(--phx-accent-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 18, 31, .38);
}

.page-contact .contact-tail a:hover,
.page-contact .contact-tail a:focus-visible {
  border-bottom-color: var(--phx-accent-ink);
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 780px) {
  .page-contact .contact-hero {
    padding: 60px 0 32px;
  }

  .page-contact .contact-split,
  .page-contact .contact-submit,
  .page-contact .contact-visit {
    padding: 86px 0;
  }

  .page-contact .contact-toc {
    margin-top: 24px;
  }

  .page-contact .contact-toc .phx-toc__list {
    gap: 34px;
  }

  .page-contact .contact-board {
    padding: 34px 30px 32px;
  }

  .page-contact .contact-side__fig img {
    clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-step {
    padding: 28px 22px 30px;
  }

  .page-contact .contact-tail {
    padding-bottom: 96px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-board {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-steps {
    gap: 0;
    background: transparent;
  }

  .page-contact .contact-step {
    background: transparent;
    border-right: 1px solid var(--phx-line);
  }

  .page-contact .contact-step:last-child {
    border-right: 0;
  }
}