.page-contact {
  --contact-rule: var(--line);
}

.page-contact .crumb {
  padding-top: clamp(20px, 4vw, 34px);
  padding-bottom: clamp(10px, 2vw, 18px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-bottom: clamp(40px, 7vw, 76px);
}

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 54px);
  align-items: end;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 7.4vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 10px 0 clamp(14px, 2.4vw, 22px);
  max-width: 17ch;
}

.page-contact .contact-hero-copy .lede {
  max-width: 44ch;
}

.page-contact .contact-hero-media {
  margin-top: clamp(8px, 2vw, 0px);
}

.page-contact .contact-hero-media .media-frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--contact-rule);
}

.page-contact .contact-hero-media .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (min-width: 860px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: clamp(40px, 6vw, 80px);
  }
}

/* ---------- 联络信息区 ---------- */

.page-contact .contact-desk .section-lede {
  max-width: 52ch;
}

.page-contact .contact-board {
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--contact-rule);
}

.page-contact .board-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: clamp(16px, 3vw, 24px) 0;
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .board-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #5C6B7E;
}

.page-contact .board-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 3.6vw, 27px);
  line-height: 1.3;
  font-weight: 600;
  color: #0A1A2F;
  overflow-wrap: anywhere;
}

.page-contact .board-value--mail {
  display: inline-block;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--cyan);
  justify-self: start;
}

.page-contact .board-value--plain {
  font-weight: 500;
  letter-spacing: .01em;
}

.page-contact .board-note {
  font-size: 13px;
  line-height: 1.7;
  color: #5C6B7E;
}

.page-contact .board-note a {
  color: #0A1A2F;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
}

.page-contact .board-note a:hover,
.page-contact .board-note a:focus-visible {
  border-bottom-color: var(--orange);
}

.page-contact .icp-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  padding: 6px 14px;
  border: 1px solid #A9B0BA;
  border-radius: 999px;
  color: #0A1A2F;
}

@media (min-width: 800px) {
  .page-contact .board-row {
    grid-template-columns: 132px minmax(0, 1fr) minmax(0, 250px);
    align-items: baseline;
    gap: 0 28px;
  }
  .page-contact .board-value {
    font-size: clamp(20px, 2.1vw, 28px);
  }
}

/* ---------- 时间条 ---------- */

.page-contact .hours {
  margin-top: clamp(30px, 5vw, 48px);
}

.page-contact .hours-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #5C6B7E;
  margin: 0 0 12px;
}

.page-contact .hours-track {
  display: flex;
  gap: 2px;
  border: 1px solid var(--contact-rule);
  border-radius: 3px;
  overflow: hidden;
}

.page-contact .hours-seg {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 10px;
  letter-spacing: .02em;
  padding: 11px 4px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.page-contact .hours-seg--closed {
  flex: 9;
  background: #E3DCCC;
  color: #6B7789;
}

.page-contact .hours-seg--tail {
  flex: 6;
}

.page-contact .hours-seg--open {
  flex: 9;
  background: var(--cyan);
  color: #061220;
  font-weight: 700;
}

.page-contact .hours-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: #5C6B7E;
  max-width: 62ch;
}

@media (min-width: 700px) {
  .page-contact .hours-seg {
    font-size: 12px;
    padding: 13px 10px;
  }
}

/* ---------- 邮件建议 ---------- */

.page-contact .mail-grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-contact .mail-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 0 14px;
  padding: clamp(16px, 2.6vw, 22px) 0;
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .mail-step-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-contact .mail-step-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-contact .mail-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .mail-media .media-frame {
  overflow: hidden;
  border: 1px solid var(--contact-rule);
}

.page-contact .mail-media .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (min-width: 900px) {
  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
  }
  .page-contact .mail-media {
    position: sticky;
    top: calc(var(--frame-h) + 26px);
  }
}

/* ---------- 合作与授权 ---------- */

.page-contact .partner-stack {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .partner-stack .disclosure {
  border-top: 1px solid var(--contact-rule);
}

.page-contact .partner-stack .disclosure:last-child {
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .partner-stack .disclosure-btn {
  width: 100%;
  gap: 16px;
  padding: clamp(16px, 2.6vw, 22px) 0;
}

.page-contact .disclosure-text {
  flex: 1 1 auto;
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 600;
  text-align: left;
}

.page-contact .partner-stack .disclosure-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .partner-stack .disclosure-panel {
  padding: 0 0 clamp(20px, 3vw, 28px);
}

.page-contact .partner-stack .disclosure-panel p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 66ch;
}

.page-contact .partner-points {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 66ch;
}

.page-contact .partner-points li {
  position: relative;
  padding: 7px 0 7px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  border-top: 1px solid rgba(42, 59, 82, .55);
}

.page-contact .partner-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 后续入口 ---------- */

.page-contact .next-links {
  display: grid;
  gap: 0;
  margin-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--contact-rule);
}

.page-contact .next-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 20px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid var(--contact-rule);
  text-decoration: none;
  color: inherit;
}

.page-contact .next-key {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 28px);
  letter-spacing: -0.01em;
  grid-column: 1;
}

.page-contact .next-desc {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 52ch;
}

.page-contact .next-link::after {
  content: "→";
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  transition: transform .24s var(--ease), color .24s var(--ease);
}

.page-contact .next-link:hover::after,
.page-contact .next-link:focus-visible::after {
  transform: translateX(5px);
  color: var(--orange);
}

.page-contact .next-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
<<<END>>>