.contact-page { background-color: var(--archive-bg); }

.contact-page .site-nav [aria-current="page"] { color: var(--archive-text); }

.contact-hero {
  min-height: 60vh;
  padding: 12vh 4vw 9vh;
  border-bottom: 1px solid var(--archive-rule);
}

.contact-hero-layout {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 8vw;
  align-items: end;
}

.contact-hero h1 {
  margin: 0;
  font-family: var(--archive-serif);
  font-size: clamp(64px, 9.2vw, 148px);
  font-weight: 300;
  line-height: .88;
  letter-spacing: -.06em;
}

.contact-title-zh {
  display: block;
  margin-top: 28px;
  color: var(--archive-muted);
  font-family: var(--archive-sans);
  font-size: clamp(13px, 1.3vw, 18px);
  font-style: normal;
  letter-spacing: .18em;
  line-height: 1.4;
}

.contact-introduction {
  max-width: 490px;
  color: #a8adaf;
  font-size: 14px;
  line-height: 1.85;
}
.contact-introduction p { margin: 0 0 20px; }

.contact-workspace {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  min-height: 720px;
}

.contact-address,
.contact-form { padding: 80px 4vw 100px; }

.contact-address {
  border-right: 1px solid var(--archive-rule);
  background: var(--archive-panel);
}

.contact-label {
  margin: 0 0 24px;
  color: var(--archive-accent);
  font-size: 9px;
  letter-spacing: .18em;
  line-height: 1.6;
  text-transform: uppercase;
}
.contact-label span {
  margin-left: 8px;
  color: #6f7679;
  font-size: 8px;
  letter-spacing: .08em;
}

.email-address {
  display: block;
  margin-bottom: 32px;
  font-family: var(--archive-serif);
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.02;
  letter-spacing: -.04em;
  overflow-wrap: anywhere;
  transition: color .2s ease;
}
.email-address:hover { color: var(--archive-accent-pale); }

.copy-email {
  min-height: 46px;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--archive-rule);
  border-bottom: 1px solid var(--archive-rule);
  color: var(--archive-muted);
  background: transparent;
  cursor: pointer;
  transition: color .2s ease;
}
.copy-email:hover { color: var(--archive-text); }
.copy-email small {
  margin-left: 8px;
  color: #6f7679;
  font-size: 8px;
}
.copy-status {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--archive-accent-pale);
  font-size: 11px;
}

.wechat-contact {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--archive-rule);
}
.contact-channel-label {
  margin: 0 0 12px;
  color: var(--archive-muted);
  font-size: 9px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.contact-channel-label span {
  margin-left: 7px;
  color: #656c6f;
  font-size: 8px;
  letter-spacing: .08em;
  text-transform: none;
}
.wechat-id {
  margin: 0 0 20px;
  color: var(--archive-text);
  font-family: var(--archive-serif);
  font-size: clamp(30px, 3.5vw, 50px);
  font-variant-numeric: lining-nums tabular-nums;
  font-weight: 300;
  letter-spacing: .015em;
  line-height: 1.05;
}

.contact-notes { margin: 70px 0 0; }
.contact-notes div {
  padding: 16px 0;
  border-top: 1px solid var(--archive-rule);
}
.contact-notes div:last-child { border-bottom: 1px solid var(--archive-rule); }
.contact-notes dt {
  margin-bottom: 9px;
  color: var(--archive-muted);
  font-size: 10px;
  letter-spacing: .12em;
}
.contact-notes dt span {
  margin-left: 7px;
  color: #656c6f;
  font-size: 8px;
}
.contact-notes dd {
  margin: 0;
  font-family: var(--archive-serif);
  font-size: 16px;
  line-height: 1.55;
}
.contact-notes dd small {
  display: block;
  margin-top: 7px;
  color: var(--archive-muted);
  font-family: var(--archive-sans);
  font-size: 9px;
}

.contact-form {
  max-width: 820px;
}
.form-heading { margin-bottom: 56px; }
.form-heading h2 {
  margin: 0 0 24px;
  font-family: var(--archive-serif);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 300;
  letter-spacing: -.04em;
}
.form-heading p:not(.contact-label) {
  max-width: 590px;
  margin: 0 0 7px;
  color: var(--archive-muted);
  font-size: 12px;
  line-height: 1.65;
}

.field {
  display: block;
  margin-bottom: 30px;
}
.field > span {
  display: block;
  margin-bottom: 10px;
  color: var(--archive-muted);
  font-size: 10px;
  letter-spacing: .11em;
}
.field > span small {
  margin-left: 7px;
  color: #686f72;
  font-size: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--archive-rule-strong);
  border-radius: 0;
  outline: 0;
  color: var(--archive-text);
  background: transparent;
  font: 16px var(--archive-sans);
  transition: border-color .2s ease;
}
.field input,
.field select { min-height: 52px; }
.field textarea {
  min-height: 150px;
  padding: 14px 0;
  resize: vertical;
}
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--archive-accent-pale); }
.field select option { color: var(--archive-text); background: var(--archive-panel); }

.send-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 68px;
  margin-top: 42px;
  padding: 0 20px;
  border: 1px solid var(--archive-accent);
  border-radius: 0;
  color: var(--archive-text);
  background: transparent;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}
.send-button:hover {
  color: #111416;
  background: var(--archive-accent-pale);
}
.send-button span:last-child {
  color: var(--archive-muted);
  font-size: 11px;
}
.send-button:hover span:last-child { color: #303638; }

@media (max-width: 900px) {
  .contact-hero-layout { grid-template-columns: 1fr; gap: 52px; }
  .contact-workspace { grid-template-columns: 1fr; }
  .contact-address { border-right: 0; border-bottom: 1px solid var(--archive-rule); }
  .contact-form { max-width: none; }
}

@media (max-width: 720px) {
  .contact-page .site-nav a:first-child { display: none; }
  .contact-hero { min-height: 0; padding: 84px 18px 70px; }
  .contact-hero h1 { font-size: clamp(58px, 18vw, 90px); }
  .contact-address,
  .contact-form { padding: 68px 18px 78px; }
  .contact-notes { margin-top: 48px; }
  .contact-page .site-footer { flex-direction: column; }
}