.page-contact {
  --pc-line-soft: rgba(244, 248, 255, 0.10);
  --pc-deep: #071226;
  position: relative;
}

.page-contact .section {
  padding-block: 56px;
}

.page-contact h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--pc-deep);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.75);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 88% 8%, rgba(0, 229, 255, 0.18), transparent 62%),
    linear-gradient(180deg, rgba(7, 18, 38, 0.55) 0%, rgba(7, 18, 38, 0.92) 68%, var(--navy) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: 40px 56px;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 248, 255, 0.76);
}

/* 框景式联系面板 */
.page-contact .contact-frame {
  position: relative;
  margin-top: 34px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(16, 42, 76, 0.88), rgba(7, 18, 38, 0.92));
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .contact-frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 86px;
  height: 3px;
  background: var(--cyan);
}

.page-contact .contact-frame__clock {
  padding: 26px 22px 28px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-frame__clock-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .contact-frame__time {
  margin: 12px 0 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(42px, 12vw, 66px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-contact .contact-frame__time em {
  font-style: normal;
  font-size: 0.5em;
  color: var(--orange);
}

.page-contact .contact-frame__note {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-frame__channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .channel {
  padding: 20px 22px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-contact .channel:last-child {
  border-bottom: 0;
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, 0.05);
}

.page-contact .channel__idx {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .channel__value {
  display: inline-block;
  margin-top: 10px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line-cyan);
}

.page-contact .channel__value--plain {
  color: var(--white);
  border-bottom-color: transparent;
  word-break: normal;
}

.page-contact .channel__desc {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm-grid {
  margin-top: 26px;
}

.page-contact .rhythm-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 176px;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--panel);
}

.page-contact .rhythm-card:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .rhythm-card__span {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-contact .rhythm-card:nth-child(3) .rhythm-card__span {
  color: var(--orange);
}

.page-contact .rhythm-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .rhythm-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 248, 255, 0.7);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .contact-topics {
  background: var(--navy-deep);
  border-block: 1px solid var(--line);
}

.page-contact .contact-lead {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 248, 255, 0.72);
}

.page-contact .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.page-contact .topic-card {
  position: relative;
  padding: 20px 20px 22px 24px;
  border: 1px solid var(--line);
  background: rgba(16, 42, 76, 0.55);
}

.page-contact .topic-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
}

.page-contact .topic-card:nth-child(even)::before {
  background: var(--cyan);
}

.page-contact .topic-card h3 {
  margin: 14px 0 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .topic-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 248, 255, 0.7);
}

/* ---------- 联系前准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  max-width: 860px;
  counter-reset: prep;
  border-top: 1px solid var(--line);
}

.page-contact .prep-list li {
  counter-increment: prep;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-list li::before {
  content: counter(prep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .prep-list h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .prep-list p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 248, 255, 0.7);
}

/* ---------- 服务流程 ---------- */
.page-contact .contact-flow {
  background:
    radial-gradient(90% 62% at 12% 0%, rgba(0, 229, 255, 0.09), transparent 64%),
    var(--navy-deep);
  border-top: 1px solid var(--line);
}

.page-contact .flow-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .flow-steps li {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: rgba(11, 27, 51, 0.72);
}

.page-contact .flow-steps__num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-contact .flow-steps h3 {
  margin: 12px 0 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .flow-steps p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(244, 248, 255, 0.66);
}

.page-contact .flow-figure {
  position: relative;
  margin: 32px 0 0;
  border-left: 3px solid var(--cyan);
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .flow-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(88% 72% at 50% 50%, transparent 42%, rgba(7, 18, 38, 0.6) 100%);
}

/* ---------- 备案与说明 ---------- */
.page-contact .contact-meta {
  padding-block: 24px 32px;
  background: var(--navy);
  border-top: 1px solid var(--line);
}

.page-contact .contact-meta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 26px;
  font-size: 12.5px;
  color: var(--mist);
}

.page-contact .contact-meta__inner p {
  margin: 0;
}

.page-contact .contact-meta__legal {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-contact .contact-meta__note {
  max-width: 56ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding-block: 84px;
  }

  .page-contact .contact-hero__inner {
    padding-block: 62px 88px;
  }

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

  .page-contact .contact-frame__clock {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 36px 32px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-contact .channel {
    padding: 24px 26px;
  }

  .page-contact .flow-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--line);
  }

  .page-contact .flow-steps li {
    border: 0;
    border-right: 1px solid var(--line);
    background: transparent;
    padding: 24px 20px 26px;
  }

  .page-contact .flow-steps li:last-child {
    border-right: 0;
  }

  .page-contact .contact-meta {
    padding-block: 26px 34px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero h1 {
    max-width: 14ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact p a {
    transition: none;
  }
}