.page-contact {
  position: relative;
}

.page-contact .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 3vw, 32px) 0 clamp(28px, 4.5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 255, 0) 55%);
  opacity: 0.65;
}

.page-contact h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--text);
}

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

.page-contact .contact-lead {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-contact .hero-facts li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.page-contact .hero-facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .hero-facts li:nth-child(2)::before {
  background: var(--orange);
}

.page-contact .hero-facts li:nth-child(3)::before {
  background: var(--gold);
}

/* ---------- 主栅格 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 52px);
  padding: clamp(30px, 4.5vw, 56px) 0 clamp(40px, 6vw, 80px);
  align-items: start;
}

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

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(165deg, #14324a 0%, #0e2335 55%, #0b1b2b 100%);
  box-shadow:
    0 20px 44px -30px rgba(0, 0, 0, 0.95),
    inset 0 1px 0 rgba(127, 233, 245, 0.08);
}

.page-contact .card-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .channel {
  padding: 16px 0;
  border-top: 1px solid rgba(31, 58, 77, 0.9);
}

.page-contact .channel:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-contact .channel-label {
  display: block;
  margin-bottom: 7px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
}

.page-contact .channel-value--mail {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 17px);
  color: var(--cyan-soft);
  letter-spacing: 0.01em;
}

.page-contact .channel-value--tel {
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.8vw, 27px);
  letter-spacing: 0.03em;
  color: #ffffff;
}

.page-contact .channel-note {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .time-band {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px dashed rgba(0, 229, 255, 0.35);
  border-radius: var(--radius);
  background: rgba(0, 229, 255, 0.05);
  font-size: 13.5px;
  color: var(--cyan-soft);
}

.page-contact .pulse-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  animation: contact-pulse 2.8s var(--ease) infinite;
}

@keyframes contact-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.45);
  }
  50% {
    box-shadow: 0 0 0 7px rgba(0, 229, 255, 0);
  }
}

.page-contact .rail-media {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

/* ---------- 右侧内容 ---------- */
.page-contact .contact-body {
  display: grid;
  gap: clamp(34px, 5vw, 58px);
  min-width: 0;
}

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

.page-contact .block-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .block-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .block-lead {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .block-lead a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三步流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .flow-step {
  position: relative;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.7);
}

.page-contact .flow-step:nth-child(2)::before {
  background: var(--orange);
  box-shadow: 0 0 10px rgba(255, 107, 53, 0.6);
}

.page-contact .flow-step:nth-child(3)::before {
  background: var(--gold);
  box-shadow: 0 0 10px rgba(184, 151, 90, 0.6);
}

.page-contact .flow-num {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .flow-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .prep-list li {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 43, 63, 0.45);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .prep-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border: 1px solid var(--cyan);
  border-radius: 1px;
  transform: rotate(45deg);
}

.page-contact .prep-list strong {
  color: var(--text);
  font-weight: 600;
}

.page-contact .response-figure {
  margin: 26px 0 0;
}

/* ---------- 商务合作 ---------- */
.page-contact .partner-band {
  padding: clamp(36px, 6vw, 72px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 150% at 6% 0%, rgba(0, 229, 255, 0.07), transparent 62%),
    rgba(6, 18, 30, 0.55);
}

.page-contact .partner-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
}

.page-contact .partner-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 43, 63, 0.5);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .partner-item[open] {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 16px 34px -26px rgba(0, 229, 255, 0.55);
}

.page-contact .partner-item summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: clamp(16px, 2.6vw, 22px) clamp(16px, 3vw, 26px);
  list-style: none;
  cursor: pointer;
}

.page-contact .partner-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .partner-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.3s var(--ease);
}

.page-contact .partner-item[open] summary::after {
  transform: rotate(45deg);
}

.page-contact .partner-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .partner-name {
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 600;
  color: var(--text);
}

.page-contact .partner-body {
  padding: 0 clamp(16px, 3vw, 26px) clamp(18px, 2.6vw, 26px);
}

.page-contact .partner-body p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .partner-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .partner-chips li {
  padding: 4px 12px;
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--cyan-soft);
}

/* ---------- 邮寄 ---------- */
.page-contact .mail-band {
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-contact .mail-grid {
  display: grid;
  gap: 20px;
}

.page-contact .address-box {
  margin: 22px 0 0;
  padding: 18px 20px;
  border-left: 2px solid var(--gold);
  background: rgba(184, 151, 90, 0.08);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.8vw, 17px);
  letter-spacing: 0.02em;
  color: var(--text);
}

/* ---------- 收束 ---------- */
.page-contact .end-band {
  padding: clamp(36px, 6vw, 72px) 0 clamp(44px, 7vw, 92px);
  border-top: 1px solid var(--line);
  background: radial-gradient(90% 130% at 100% 100%, rgba(255, 107, 53, 0.09), transparent 62%);
}

.page-contact .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    position: relative;
  }

  .page-contact .flow::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), var(--orange) 50%, var(--gold));
    opacity: 0.55;
  }

  .page-contact .flow-step {
    border-top: 0;
    padding-top: 20px;
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.65fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.45fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }
}

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

  .page-contact .partner-item,
  .page-contact .partner-item summary::after {
    transition: none;
  }
}
<<<END>>>