.page-contact {
  --contact-pad: clamp(18px, 3.2vw, 36px);
  --contact-stripe: rgba(56, 225, 255, 0.05);
  --contact-panel: rgba(14, 31, 48, 0.58);
  color: var(--paper);
  background-color: var(--ink-900);
  background-image: repeating-linear-gradient(
    112deg,
    var(--contact-stripe) 0 1px,
    transparent 1px 18px
  );
  overflow-x: clip;
}

.page-contact .text-body {
  max-width: 36em;
  margin: 0 0 1.15em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact h2 {
  margin: 0.3em 0 0.75em;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(26px, 4.5vw, 52px) clamp(30px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
}

.page-contact .breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45em;
  margin: 0 0 1.6em;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.45em;
  color: var(--line);
}

.page-contact .contact-hero h1 {
  margin: 0.3em 0 0.55em;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  max-width: 34em;
  margin-bottom: 1.5em;
}

.page-contact .contact-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__chips li {
  display: flex;
  align-items: center;
  gap: 9px;
  word-break: break-all;
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  aspect-ratio: 5 / 3;
  border: 1px solid var(--line);
  background: var(--ink-800);
  align-self: end;
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72px;
  height: 6px;
  background: var(--cyan);
}

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

/* ---------- 邮件 + 侧面说明牌 ---------- */
.page-contact .contact-main {
  padding-block: clamp(34px, 5.6vw, 68px);
}

.page-contact .contact-split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .contact-mail {
  padding: var(--contact-pad);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  background:
    linear-gradient(158deg, var(--panel-700) 0%, var(--ink-800) 58%, var(--ink-900) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-mail__addr {
  display: inline-block;
  margin: 0.55em 0 0.9em;
  padding-bottom: 0.1em;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 4.5vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--paper);
  border-bottom: 2px solid var(--cyan);
  word-break: break-word;
  max-width: 100%;
}

.page-contact .contact-aside {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  align-content: start;
}

.page-contact .contact-card {
  position: relative;
  padding: calc(var(--contact-pad) - 4px) var(--contact-pad);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--contact-panel);
}

.page-contact .contact-card h3 {
  margin: 0 0 0.6em;
  padding-right: 1.4em;
  font-size: 1.03rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-card .vertical-note {
  position: absolute;
  top: 14px;
  right: 10px;
  color: var(--mist);
}

.page-contact .contact-tel,
.page-contact .contact-addr {
  margin: 0 0 0.75em;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.35;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-addr {
  font-size: clamp(0.95rem, 3.1vw, 1.08rem);
  font-weight: 600;
  line-height: 1.7;
}

.page-contact .contact-card details {
  margin-top: 0.9em;
  padding-top: 0.85em;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-card summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

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

.page-contact .contact-card summary::before {
  content: "+ ";
}

.page-contact .contact-card details[open] summary::before {
  content: "– ";
}

.page-contact .contact-card details p {
  margin: 0.65em 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-note {
  margin: 1em 0 0;
  padding-top: 0.8em;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 响应时段 + 来信要点 ---------- */
.page-contact .contact-timing {
  padding-block: clamp(34px, 5.6vw, 68px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-timing__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .contact-brief {
  display: grid;
  gap: 0;
  margin: 1.1em 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-brief li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 10px;
  padding: 0.9em 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-brief li:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .brief-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime);
  padding-top: 0.25em;
}

.page-contact .brief-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .brief-text strong {
  display: block;
  margin-bottom: 0.15em;
  font-weight: 800;
  color: var(--paper);
}

/* ---------- 底部信息表 ---------- */
.page-contact .contact-facts {
  position: relative;
  isolation: isolate;
  padding-block: clamp(34px, 5.6vw, 66px);
  border-top: 1px solid var(--line);
  background-color: var(--void);
  overflow: hidden;
}

.page-contact .contact-facts__texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  pointer-events: none;
}

.page-contact .contact-facts .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-facts__table {
  margin: 1.2em 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-facts__row {
  display: grid;
  grid-template-columns: minmax(5.2rem, 7.5rem) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 0.85em 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

.page-contact .contact-facts__row dt {
  margin: 0;
  color: var(--mist);
}

.page-contact .contact-facts__row dd {
  margin: 0;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-facts__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 1.7em;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: end;
  }

  .page-contact .contact-hero__figure {
    aspect-ratio: 3 / 2;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: start;
  }

  .page-contact .contact-aside {
    margin-top: clamp(0px, 2.2vw, 30px);
  }

  .page-contact .contact-timing__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-mail {
    padding: clamp(30px, 3vw, 46px);
  }

  .page-contact .contact-facts__row {
    grid-template-columns: minmax(7rem, 9rem) minmax(0, 1fr);
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact .contact-card details p {
    animation: none;
  }
}
<<<END>>>