.page-contact {
  --contact-hair: rgba(46, 90, 120, 0.48);
  --contact-hair-soft: rgba(46, 90, 120, 0.24);
  position: relative;
  display: block;
  padding-bottom: 8px;
}

/* ---------- 首屏：斜向切割 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 96px 0 44px;
  border-bottom: 1px solid var(--contact-hair-soft);
}

.page-contact .contact-hero__wedge {
  position: absolute;
  z-index: -1;
  inset: -22% -18% 28% 38%;
  background: linear-gradient(135deg, var(--storm-blue) 0%, rgba(18, 41, 61, 0.78) 52%, transparent 84%);
  border-left: 1px solid rgba(0, 229, 255, 0.22);
  transform: skewY(-7deg);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -140px;
  top: -80px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: repeating-radial-gradient(circle, rgba(0, 229, 255, 0.16) 0 1px, transparent 1px 34px);
  opacity: 0.6;
  pointer-events: none;
}

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

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: 22px;
}

.page-contact .contact-hero__title {
  max-width: 16ch;
  margin: 14px 0 0;
  font-size: clamp(34px, 7vw, 62px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  max-width: 44ch;
  margin: 20px 0 0;
  font-size: clamp(16px, 2.4vw, 20px);
  line-height: 1.55;
  color: var(--grey);
}

.page-contact .contact-hero__facts {
  display: grid;
  gap: 14px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  grid-template-columns: 1fr;
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 2px 0 2px 13px;
  border-left: 2px solid var(--bolt);
}

.page-contact .contact-hero__num {
  font-size: 19px;
  font-weight: 700;
  color: var(--yellow);
  letter-spacing: 0.01em;
}

/* ---------- 章节节奏 ---------- */

.page-contact .section {
  padding: 52px 0;
}

.page-contact .contact-mailer {
  background: linear-gradient(180deg, rgba(27, 58, 92, 0.42), rgba(8, 19, 31, 0));
}

.page-contact .contact-registry {
  background: rgba(8, 19, 31, 0.5);
}

/* ---------- 渠道面板 ---------- */

.page-contact .contact-channels__figure {
  margin: 0 0 26px;
  border: 1px solid var(--contact-hair);
  overflow: hidden;
}

.page-contact .contact-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.06);
}

.page-contact .channel-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: linear-gradient(180deg, rgba(18, 41, 61, 0.88), rgba(8, 19, 31, 0.92));
  border: 1px solid var(--contact-hair);
  border-top: 3px solid var(--signal);
  transition: border-color 120ms var(--ease), transform 120ms var(--ease), box-shadow 120ms var(--ease);
}

.page-contact .channel::after {
  content: "";
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 24px;
  height: 24px;
  border-right: 1px solid var(--contact-hair);
  border-bottom: 1px solid var(--contact-hair);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--bolt);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 229, 255, 0.14);
}

.page-contact .channel--service {
  border-top-color: var(--yellow);
}

.page-contact .channel--phone {
  border-top-color: var(--steel);
}

.page-contact .channel__kind {
  margin: 0;
  color: var(--grey);
}

.page-contact .channel__address {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--bolt);
  word-break: break-all;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .channel__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px 0 0;
  list-style: none;
  border-top: 1px dashed var(--contact-hair-soft);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--grey);
}

.page-contact .channel__list li {
  position: relative;
  padding-left: 16px;
}

.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1px;
  background: var(--steel);
}

.page-contact .channel__status {
  margin: auto 0 0;
  padding-top: 6px;
}

/* ---------- 邮件工单 ---------- */

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

.page-contact .mailer-subject {
  position: relative;
  padding: 22px;
  background: var(--cloud);
  border: 1px solid var(--steel);
  box-shadow: 8px 8px 0 rgba(0, 229, 255, 0.1), -3px -3px 0 rgba(6, 14, 23, 0.7);
}

.page-contact .mailer-subject .label {
  display: block;
  color: var(--grey);
}

.page-contact .ticket {
  margin: 12px 0 0;
  padding: 16px;
  font-size: clamp(14px, 3.1vw, 18px);
  line-height: 1.7;
  color: var(--paper);
  background: var(--deep);
  border: 1px dashed rgba(0, 229, 255, 0.5);
  word-break: break-word;
}

.page-contact .ticket__slot {
  color: var(--yellow);
  border-bottom: 1px solid rgba(255, 209, 102, 0.5);
}

.page-contact .mailer-subject__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

.page-contact .mailer-fields {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .mailer-field {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--contact-hair-soft);
}

.page-contact .mailer-field__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
}

.page-contact .mailer-field__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .mailer-field__body {
  grid-column: 2;
  grid-row: 2;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .mailer-field__body .mono {
  color: var(--paper);
}

/* ---------- 时段与优先级 ---------- */

.page-contact .timing-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1fr;
}

.page-contact .shift {
  margin: 0;
  padding: 24px 22px 26px;
  background: rgba(18, 41, 61, 0.62);
  border: 1px solid var(--contact-hair);
  border-left: 3px solid var(--bolt);
}

.page-contact .shift__caption {
  display: block;
  margin: 0 0 20px;
  color: var(--grey);
}

.page-contact .shift__axis {
  position: relative;
  height: 14px;
  background: rgba(124, 147, 166, 0.18);
  border: 1px solid var(--contact-hair-soft);
}

.page-contact .shift__span {
  position: absolute;
  left: 37.5%;
  width: 37.5%;
  top: 0;
  bottom: 0;
  background: linear-gradient(90deg, var(--bolt), var(--signal));
}

.page-contact .shift__scale {
  position: relative;
  height: 20px;
  margin-top: 6px;
}

.page-contact .shift__mark {
  position: absolute;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 700;
  color: var(--bolt);
  white-space: nowrap;
}

.page-contact .shift__mark--a {
  left: 37.5%;
}

.page-contact .shift__mark--b {
  left: 75%;
}

.page-contact .shift__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--grey);
}

.page-contact .queue__caption {
  display: block;
  margin: 0 0 10px;
  color: var(--grey);
}

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

.page-contact .queue__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--contact-hair-soft);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .queue__item:first-child {
  border-top: 1px solid var(--contact-hair-soft);
}

.page-contact .queue__rank {
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
}

.page-contact .queue__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grey);
}

/* ---------- 运营与备案 ---------- */

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

.page-contact .registry-figure {
  margin: 0;
  border: 1px solid var(--contact-hair);
  overflow: hidden;
}

.page-contact .registry-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.08);
  opacity: 0.92;
}

.page-contact .registry-copy .section__index {
  display: block;
  margin-bottom: 10px;
  color: var(--bolt);
}

.page-contact .registry-copy .section__title {
  margin: 0 0 18px;
}

.page-contact .registry-copy p {
  max-width: 42ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .registry-copy .mono {
  font-weight: 700;
  color: var(--yellow);
}

.page-contact .registry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--contact-hair-soft);
  font-size: 14px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 740px;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 118px 0 62px;
  }

  .page-contact .section {
    padding: 74px 0;
  }

  .page-contact .mailer-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .timing-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .registry-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__title {
    max-width: 14ch;
  }
}
<<<END>>>