.page-contact {
  --cc-card: rgba(11, 42, 35, 0.94);
  --cc-key: #9FB3AC;
  background: var(--ink-950);
  color: var(--ivory);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 92% at 6% 0%, rgba(36, 42, 92, 0.62) 0%, rgba(6, 24, 20, 0) 62%),
    radial-gradient(90% 80% at 100% 100%, rgba(74, 31, 44, 0.45) 0%, rgba(6, 24, 20, 0) 58%),
    var(--ink-950);
}

.page-contact .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 24, 20, 0.7) 0%, rgba(6, 24, 20, 0.93) 72%, var(--ink-950) 100%);
}

.page-contact .hero-crumbs {
  position: relative;
  z-index: 1;
  padding-top: 18px;
}

.page-contact .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-block: 24px 48px;
}

.page-contact h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 11vw, 88px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ivory);
}

.page-contact .hero-lede {
  margin: 16px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .contact-card {
  position: relative;
  margin-top: clamp(24px, 4vw, 36px);
  padding: clamp(18px, 3vw, 26px);
  background: var(--cc-card);
  border: 1px solid var(--line);
  backdrop-filter: blur(3px);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 88px;
  height: 2px;
  background: var(--aqua);
}

.page-contact .card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 14px;
  padding-bottom: 14px;
}

.page-contact .card-code {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-contact .cc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  align-items: center;
  padding-block: 15px;
  border-top: 1px solid var(--line);
}

.page-contact .cc-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cc-key);
}

.page-contact .cc-val {
  margin: 0;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ivory);
  text-decoration: none;
}

.page-contact a.cc-val {
  transition: color var(--dur) var(--ease);
}

.page-contact a.cc-val:hover,
.page-contact a.cc-val:focus-visible {
  color: var(--aqua-soft);
}

.page-contact .cc-val--lg {
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.2vw, 21px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.page-contact .cc-act {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line-lit);
  color: var(--aqua);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .cc-act:hover,
.page-contact .cc-act:focus-visible {
  background: var(--aqua);
  border-color: var(--aqua);
  color: var(--ink-950);
}

/* ---------- 侧边索引 ---------- */
.page-contact .hero-side {
  display: grid;
  gap: 22px;
  align-content: start;
}

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

.page-contact .side-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--ivory);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .side-link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--flare);
}

.page-contact .side-link:hover,
.page-contact .side-link:focus-visible {
  color: var(--aqua);
  padding-left: 6px;
}

.page-contact .side-note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--flare);
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 通用区块头 ---------- */
.page-contact .cc-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 38px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ivory);
}

.page-contact .cc-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 联系前准备 ---------- */
.page-contact .contact-prep {
  background: linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 16px;
  padding-block: 18px;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-contact .prep-item:hover {
  background: rgba(47, 243, 208, 0.04);
}

.page-contact .prep-idx {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--aqua);
}

.page-contact .prep-body h3 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ivory);
}

.page-contact .prep-body p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-response {
  background: var(--ink-950);
}

.page-contact .resp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-contact .resp-p {
  margin: 0 0 14px;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .resp-p a {
  color: var(--aqua);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .resp-p a:hover,
.page-contact .resp-p a:focus-visible {
  color: var(--aqua-soft);
}

.page-contact .resp-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .resp-facts li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding-block: 12px;
  border-bottom: 1px solid var(--line);
}

.page-contact .rf-key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--aqua);
}

.page-contact .rf-txt {
  font-size: 15px;
  line-height: 1.66;
  color: var(--ivory);
}

.page-contact .resp-figure {
  margin: 0;
  border-color: var(--line);
}

/* ---------- 商务与合作 ---------- */
.page-contact .contact-partners {
  border-block: 1px solid var(--line);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(36, 42, 92, 0.75) 0%, rgba(74, 31, 44, 0) 58%),
    linear-gradient(135deg, var(--wine) 0%, #2B1723 62%, var(--ink-950) 100%);
}

.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: clamp(40px, 6vw, 72px);
}

.page-contact .partner-p {
  margin: 0 0 14px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: #E4DDDF;
}

.page-contact .partner-p a {
  color: var(--aqua-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .partner-p a:hover,
.page-contact .partner-p a:focus-visible {
  color: var(--aqua);
}

.page-contact .partner-btn {
  margin-top: 8px;
}

.page-contact .subj-box {
  padding: 20px;
  border: 1px solid rgba(157, 255, 234, 0.28);
  background: rgba(6, 24, 20, 0.55);
}

.page-contact .subj-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--aqua);
}

.page-contact .subj-line {
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(157, 255, 234, 0.22);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .subj-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-contact .subj-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: #D8E6E2;
}

.page-contact .subj-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 1px;
  background: var(--flare);
}

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

/* ---------- 邮寄与到访 ---------- */
.page-contact .contact-postal {
  background: var(--ink-950);
}

.page-contact .postal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-contact .postal-p {
  margin: 0 0 14px;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .addr-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--flare);
  background: var(--ink-800);
}

.page-contact .addr-key {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .addr-val {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .addr-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 备案条 ---------- */
.page-contact .contact-filing {
  border-top: 1px solid var(--line);
  background: #04110E;
}

.page-contact .filing-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
}

.page-contact .filing-icp {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-contact .filing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.page-contact .filing-links a {
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .filing-links a:hover,
.page-contact .filing-links a:focus-visible {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .cc-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 16px;
  }

  .page-contact .cc-act {
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: end;
    margin-top: 0;
  }
}

@media (min-width: 760px) {
  .page-contact .prep-item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 14px 22px;
    padding-block: 20px;
  }

  .page-contact .resp-facts li {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }

  .page-contact .subj-box {
    padding: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-crumbs {
    padding-top: 22px;
  }

  .page-contact .hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    padding-block: 36px 76px;
    align-items: start;
  }

  .page-contact .hero-side {
    padding-top: 14px;
  }

  .page-contact .resp-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .postal-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-card {
    margin-top: 32px;
  }
}
<<<END>>>