.page-contact {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .block {
  margin-top: clamp(52px, 8vw, 92px);
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 6px 0 0;
  color: var(--text);
}

.page-contact h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.4;
  margin: 0;
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 16px;
  padding: clamp(16px, 3.5vw, 32px) 0 clamp(24px, 4vw, 40px);
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8.4vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-hero__pill {
  justify-self: start;
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(13, 26, 43, 0.98), rgba(6, 12, 22, 0.98));
  padding: clamp(18px, 4vw, 38px);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: 72%;
  aspect-ratio: 1;
  right: -22%;
  top: -42%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(47, 227, 208, 0.22), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  z-index: 0;
  width: 46%;
  aspect-ratio: 1;
  left: -14%;
  bottom: -46%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(255, 107, 44, 0.18), transparent 68%);
  pointer-events: none;
}

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

.page-contact .contact-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 12, 22, 0.62), rgba(6, 12, 22, 0.95) 68%);
}

.page-contact .contact-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.7) contrast(1.05);
  opacity: 0.55;
}

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

.page-contact .contact-card__note {
  margin: 10px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(16px, 3vw, 26px);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(34, 55, 79, 0.95);
  background: rgba(20, 38, 60, 0.7);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-4px);
  border-color: rgba(47, 227, 208, 0.5);
  background: rgba(20, 38, 60, 0.92);
}

.page-contact .channel--mail {
  background: linear-gradient(160deg, rgba(47, 227, 208, 0.14), rgba(20, 38, 60, 0.82) 58%);
  border-color: rgba(47, 227, 208, 0.42);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .channel--mail .channel__label {
  color: var(--cyan);
}

.page-contact .channel__value {
  margin: 0;
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel__value--sm {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0;
  color: var(--muted);
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .channel__copy {
  margin-top: auto;
  align-self: flex-start;
  font-size: 13px;
  padding: 9px 18px;
}

/* ---------- 四个要素 ---------- */
.page-contact .brief__lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .brief__list {
  list-style: none;
  margin: clamp(20px, 3.5vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .brief__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  column-gap: 14px;
  padding: 16px 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .brief__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 20px;
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-contact .brief__item h3 {
  grid-column: 2;
}

.page-contact .brief__item p {
  grid-column: 2;
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .brief__tip {
  margin: 18px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--signal);
  border-radius: 0 10px 10px 0;
  background: rgba(255, 210, 74, 0.07);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  max-width: 780px;
}

.page-contact .flow__head p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .flow__media {
  margin: 24px 0 6px;
  border-radius: 16px;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(47, 227, 208, 0.08), transparent 55%),
    repeating-linear-gradient(115deg, rgba(34, 55, 79, 0.7) 0 1px, transparent 1px 26px),
    var(--panel);
}

.page-contact .flow__media img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  opacity: 0.85;
}

.page-contact .flow__media .media__caption {
  padding: 10px 16px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-contact .steps {
  margin-top: 14px;
}

.page-contact .step {
  display: grid;
  grid-template-columns: 46px 1fr;
  column-gap: 16px;
  padding: 20px 0 18px;
  border-top: 1px solid var(--line);
}

.page-contact .step__num {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(47, 227, 208, 0.45);
  background: rgba(47, 227, 208, 0.09);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.page-contact .step__body p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .step-wait {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 0 21px;
  padding: 4px 0 4px 22px;
  border-left: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .step-wait__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(59, 224, 138, 0.8);
  animation: contact-pulse 3.2s var(--ease) infinite;
}

@keyframes contact-pulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

/* ---------- 响应与公告 ---------- */
.page-contact .response__panel {
  border-left: 3px solid var(--orange);
  padding: clamp(18px, 4vw, 32px);
}

.page-contact .response__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .response__list li {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .response__list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .response__list strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .response__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 纠错核对 ---------- */
.page-contact .verify__grid {
  margin-top: clamp(20px, 3.5vw, 30px);
  display: grid;
  gap: 14px;
}

.page-contact .verify__col {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-top: 2px solid rgba(47, 227, 208, 0.4);
}

.page-contact .verify__col p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-contact .back-link {
  padding: clamp(22px, 4vw, 38px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(115deg, rgba(255, 107, 44, 0.1), transparent 58%),
    var(--panel);
}

.page-contact .back-link p {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.76;
  color: var(--muted);
}

.page-contact .back-link__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1fr);
    max-width: 900px;
  }

  .page-contact .brief__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .verify__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-card__grid {
    grid-template-columns: 1.7fr 1fr 1fr;
    gap: 16px;
    align-items: stretch;
  }

  .page-contact .step {
    grid-template-columns: 54px 1fr;
    column-gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .step-wait__dot {
    animation: none;
    opacity: 1;
  }

  .page-contact .channel {
    transition: border-color 0.01ms linear;
  }

  .page-contact .channel:hover,
  .page-contact .channel:focus-within {
    transform: none;
  }
}