.page-contact {
  --contact-gap: clamp(16px, 2.4vw, 28px);
  --contact-pad: clamp(18px, 2.2vw, 28px);
}

/* ---------- 页头 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  padding-bottom: clamp(40px, 7vw, 84px);
}

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

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(165deg, rgba(6, 42, 36, 0.55) 0%, rgba(6, 42, 36, 0.88) 46%, #062A24 96%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + clamp(24px, 4.5vw, 56px));
}

.page-contact .contact-hero h1 {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.05em;
  font-size: clamp(1.85rem, 4.4vw, 3.25rem);
  line-height: 1.2;
  color: var(--paper);
  max-width: 20rem;
}

.page-contact .contact-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 38rem;
  font-size: clamp(0.975rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: var(--text-light);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(20px, 3vw, 32px);
}

@media (min-width: 760px) {
  .page-contact .contact-hero h1 {
    max-width: 30rem;
  }
}

/* ---------- 联系渠道主区 ---------- */

.page-contact .contact-main {
  background: var(--ink);
  color: var(--text-light);
  padding: clamp(38px, 6vw, 78px) 0;
}

.page-contact .contact-main__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .contact-col {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
  min-width: 0;
}

@media (min-width: 900px) {
  .page-contact .contact-main__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(30px, 4.5vw, 60px);
  }
}

/* 联系卡 */

.page-contact .contact-card {
  padding: var(--contact-pad);
  background: var(--ink-panel);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-card--primary {
  border-color: var(--line-strong);
  background:
    linear-gradient(180deg, rgba(43, 245, 200, 0.08), rgba(43, 245, 200, 0) 58%),
    var(--ink-panel);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-contact .contact-card__value {
  margin: 0.85rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.22rem);
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--text {
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.02em;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .contact-card__link {
  display: inline-block;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .contact-card__link:hover {
  color: var(--cyan-mist);
  border-bottom-color: var(--cyan-mist);
}

.page-contact .contact-card__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  margin-top: 1rem;
}

.page-contact .contact-card__hint {
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: var(--slate);
}

.page-contact .contact-card__note {
  margin: 1rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-light);
  opacity: 0.86;
}

/* 复制按钮 */

.page-contact .contact-copy {
  font-family: var(--font-body);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  padding: 0.5rem 0.95rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cyan);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-copy:hover {
  background: rgba(43, 245, 200, 0.12);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .contact-copy[data-copied] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-contact .contact-copy--dark {
  color: var(--amber-deep);
  border-color: rgba(154, 77, 0, 0.45);
}

.page-contact .contact-copy--dark:hover {
  background: rgba(255, 159, 28, 0.16);
}

.page-contact .contact-copy--dark[data-copied] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink-deep);
}

/* ---------- 咨询准备 ---------- */

.page-contact .contact-side__intro h2 {
  margin: 0.45rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.7vw, 1.9rem);
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-contact .contact-side__intro p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-light);
  opacity: 0.88;
}

.page-contact .contact-side__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-panel);
}

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

.page-contact .contact-side__figure .media-caption {
  padding: 0.8rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-contact .prep-list {
  display: block;
}

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

.page-contact .prep-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

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

.page-contact .prep-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .prep-item[open] summary::after {
  content: "−";
}

.page-contact .prep-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .prep-item p {
  margin: 0 0 1.1rem;
  padding-right: 1.5rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-light);
  opacity: 0.84;
}

/* ---------- 商务合作（浅色分区） ---------- */

.page-contact .contact-partner {
  background: var(--paper);
  color: var(--ink-deep);
  padding: clamp(42px, 6.5vw, 88px) 0;
}

.page-contact .contact-partner__head {
  max-width: 46rem;
}

.page-contact .contact-partner__head h2 {
  margin: 0.45rem 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.32;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-contact .contact-partner__head p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(6, 17, 15, 0.74);
}

.page-contact .partner-list {
  list-style: none;
  margin: clamp(22px, 3.6vw, 40px) 0 0;
  padding: 0;
}

.page-contact .partner-row {
  display: grid;
  gap: 0.45rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .partner-row:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .partner-num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--amber-deep);
}

.page-contact .partner-row h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}

.page-contact .partner-row p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(6, 17, 15, 0.72);
}

@media (min-width: 760px) {
  .page-contact .partner-row {
    grid-template-columns: 3rem minmax(0, 1fr) minmax(0, 1.75fr);
    align-items: baseline;
    gap: 0.4rem 1.6rem;
  }
}

.page-contact .subject-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.2rem;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-partner__subject {
  flex: 1 1 18rem;
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--paper-2);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-xs);
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(6, 17, 15, 0.8);
}

.page-contact .contact-partner__subject .mono {
  font-family: var(--font-mono);
  color: var(--amber-deep);
  letter-spacing: 0.02em;
}

/* ---------- 备案与服务地区 ---------- */

.page-contact .contact-meta {
  background: var(--ink-panel);
  border-top: 1px solid var(--line);
  padding: clamp(30px, 4.5vw, 52px) 0;
}

.page-contact .contact-meta__grid {
  display: grid;
  gap: 1.4rem;
}

.page-contact .contact-meta__label {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-contact .contact-meta__value {
  margin: 0;
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-contact .contact-meta__value.mono {
  font-family: var(--font-mono);
  color: var(--cyan-mist);
}

.page-contact .contact-meta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.5rem;
}

.page-contact .contact-meta__links a {
  color: var(--cyan-mist);
  text-decoration: none;
  font-size: 0.9375rem;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-meta__links a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-meta__links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 820px) {
  .page-contact .contact-meta__grid {
    grid-template-columns: auto auto minmax(0, 1fr);
    align-items: center;
    gap: clamp(26px, 5vw, 64px);
  }

  .page-contact .contact-meta__links {
    justify-content: flex-end;
  }
}

/* ---------- 无障碍与动效 ---------- */

.page-contact img {
  max-width: 100%;
  height: auto;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-copy,
  .page-contact .contact-meta__links a,
  .page-contact .contact-card__link {
    transition: none;
  }
}
<<<END>>>