.page-contact {
  --contact-shell: var(--shell);
  background: var(--deep-ink);
  color: var(--text);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vw, 46px) 0 clamp(34px, 5vw, 64px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(54vw, 620px);
  height: 100%;
  background: linear-gradient(205deg, rgba(23, 73, 110, .95) 0%, rgba(6, 23, 38, 0) 74%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .contact-hero__copy {
  max-width: 66ch;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(36px, 8vw, 66px);
  line-height: 1.04;
  letter-spacing: -.025em;
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: rgba(234, 244, 246, .84);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero__banner {
  margin-top: clamp(28px, 4.6vw, 54px);
}

.page-contact .contact-hero__banner .media img,
.page-contact .media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ============ 联系信息区（纸色） ============ */
.page-contact .contact-channels {
  padding: clamp(34px, 5vw, 70px) 0;
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  align-items: start;
}

.page-contact .contact-card {
  background: #ffffff;
  border: 1px solid var(--mint-line);
  border-radius: var(--r);
  padding: clamp(20px, 3vw, 34px);
  box-shadow: 0 26px 54px -44px rgba(6, 23, 38, .85);
}

.page-contact .contact-card h2 {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--ink-900);
}

.page-contact .contact-card__list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .contact-card__item {
  padding-top: clamp(16px, 2.4vw, 20px);
  border-top: 1px solid var(--mint-line);
}

.page-contact .contact-card__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-card__type {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ember-orange);
  background: rgba(255, 138, 61, .13);
  border-radius: 999px;
}

.page-contact .contact-card__value {
  display: block;
  margin-top: 10px;
  font-size: clamp(17px, 2.5vw, 23px);
  font-weight: 600;
  line-height: 1.34;
  letter-spacing: -.01em;
  color: var(--ink-900);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--plain {
  font-family: var(--font-sans);
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 600;
}

.page-contact .contact-card__note {
  display: block;
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate-500);
}

.page-contact .contact-side {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
}

.page-contact .contact-region {
  margin: 0;
}

.page-contact .contact-region img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  border: 1px solid var(--line-steel);
  border-radius: var(--r);
  background: linear-gradient(160deg, var(--tide-blue), var(--deep-ink));
}

.page-contact .contact-region figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.66;
  color: var(--slate-500);
}

.page-contact .contact-prep {
  padding: clamp(18px, 2.8vw, 26px);
  background: rgba(255, 255, 255, .68);
  border: 1px solid var(--mint-line);
  border-left: 3px solid var(--signal-orange);
  border-radius: var(--r);
}

.page-contact .contact-prep__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-contact .prep-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--ink-900);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .48em;
  width: 13px;
  height: 13px;
  border: 1.5px solid var(--harbor-blue);
  border-radius: 2px;
}

/* ============ 邮件咨询 ============ */
.page-contact .contact-mail {
  padding: clamp(40px, 6vw, 84px) 0;
  border-top: 1px solid var(--line-steel);
}

.page-contact .mail-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .mail-steps__item {
  display: grid;
  gap: 6px;
  padding: clamp(18px, 2.8vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .mail-steps__num {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--glow-cyan);
  letter-spacing: .04em;
}

.page-contact .mail-steps__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(18px, 2.6vw, 23px);
  line-height: 1.3;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-contact .mail-steps__text {
  margin: 0;
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.76;
  color: var(--muted);
}

/* ============ 电话咨询 ============ */
.page-contact .contact-call {
  padding: 0 0 clamp(40px, 6vw, 84px);
}

.page-contact .contact-call__panel {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(24px, 3.6vw, 42px);
  background: linear-gradient(146deg, var(--tide-blue) 0%, rgba(14, 46, 71, .3) 100%);
  border: 1px solid var(--line-steel);
  border-radius: var(--r);
}

.page-contact .contact-call__body h2 {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-contact .contact-call__body p {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(234, 244, 246, .82);
}

.page-contact .call-window {
  padding-left: clamp(16px, 2vw, 22px);
  border-left: 2px solid var(--signal-orange);
  align-self: center;
}

.page-contact .call-window__label {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .call-window__num {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 5.4vw, 44px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.01em;
  color: var(--signal-orange);
}

.page-contact .call-window__note {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ============ 服务地区与常见主题（纸色） ============ */
.page-contact .contact-support {
  padding: clamp(36px, 5.4vw, 76px) 0;
}

.page-contact .contact-support__grid {
  display: grid;
  gap: clamp(30px, 4.4vw, 48px);
}

.page-contact .contact-support__region h2,
.page-contact .contact-support__topics h2 {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--ink-900);
}

.page-contact .contact-support__region p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: #2A3B47;
}

.page-contact .contact-support__kv {
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .contact-support__kv .kv__k {
  color: var(--slate-500);
}

.page-contact .contact-support__kv .kv__v {
  color: var(--ink-900);
}

.page-contact .topic-list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 24px) 0 0;
  padding: 0;
}

.page-contact .topic-list__item {
  padding: clamp(14px, 2vw, 18px) 0;
  border-top: 1px solid var(--mint-line);
}

.page-contact .topic-list__item:last-child {
  border-bottom: 1px solid var(--mint-line);
}

.page-contact .topic-list__item strong {
  display: block;
  font-family: var(--font-narrow);
  font-size: clamp(16px, 2.2vw, 18px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-contact .topic-list__item span {
  display: block;
  margin-top: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate-500);
}

.page-contact .contact-support__more {
  margin: clamp(18px, 2.6vw, 24px) 0 0;
}

/* ============ 合作与建议 ============ */
.page-contact .contact-coop {
  padding: clamp(40px, 6vw, 84px) 0;
  border-top: 1px solid var(--line-steel);
}

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

.page-contact .contact-coop__body h2 {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-contact .contact-coop__body p {
  margin: 14px 0 0;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(234, 244, 246, .82);
}

.page-contact .contact-coop__side {
  padding: clamp(20px, 3vw, 28px);
  background: var(--tide-blue);
  border: 1px solid var(--line-steel);
  border-radius: var(--r);
  align-self: start;
}

.page-contact .contact-coop__side h3 {
  margin: 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: -.01em;
  color: var(--ice-cyan);
}

.page-contact .coop-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 7px;
  background: var(--glow-cyan);
  border-radius: 1px;
}

.page-contact .contact-coop__links {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 24px);
}

/* ============ 断点 ============ */
@media (min-width: 760px) {
  .page-contact .mail-steps__item {
    grid-template-columns: 78px minmax(0, 1fr);
    column-gap: 22px;
    align-items: start;
  }

  .page-contact .mail-steps__num {
    grid-column: 1;
    grid-row: 1 / span 2;
    font-size: 26px;
    padding-top: 2px;
  }

  .page-contact .mail-steps__title,
  .page-contact .mail-steps__text {
    grid-column: 2;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-contact .contact-call__panel {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: center;
  }

  .page-contact .contact-support__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }

  .page-contact .contact-coop__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__copy {
    padding-right: 8vw;
  }

  .page-contact .contact-card {
    padding: clamp(28px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}
<<<END>>>