.page-contact {
  --ct-line: rgba(232, 236, 244, .14);
  --ct-line-strong: rgba(232, 236, 244, .28);
  --ct-panel: rgba(27, 27, 58, .55);
  --ct-gap: 18px;
  padding-bottom: 64px;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 20px 0 8px;
}

.page-contact .ct-hero__intro {
  max-width: 760px;
}

.page-contact .ct-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--signal);
}

.page-contact h1 {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--silver);
}

.page-contact .ct-lead {
  margin: 18px 0 0;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

/* ---------- 三块不等宽联系卡片 ---------- */
.page-contact .ct-cards {
  display: grid;
  gap: var(--ct-gap);
  margin-top: 28px;
}

.page-contact .ct-card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(79, 227, 208, .08), transparent 60%),
    linear-gradient(160deg, var(--ct-panel), rgba(11, 18, 32, .94));
  overflow: hidden;
}

.page-contact .ct-card--mail {
  border-color: rgba(79, 227, 208, .5);
  box-shadow: 0 0 0 1px rgba(79, 227, 208, .1) inset,
              0 30px 70px -50px rgba(79, 227, 208, .75);
}

.page-contact .ct-card--address::before {
  content: "";
  position: absolute;
  top: 18px;
  right: 18px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(231, 183, 95, .16);
}

.page-contact .ct-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-contact .ct-card__value {
  display: block;
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(15px, 4.1vw, 20px);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--silver);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-card__value--signal {
  color: var(--signal);
  font-size: clamp(14px, 3.8vw, 19px);
}

.page-contact .ct-card__value--address {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0;
}

.page-contact .ct-card__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

.page-contact .ct-card__visual {
  margin-top: 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-contact .ct-card__visual img {
  display: block;
  width: 100%;
  height: 130px;
  object-fit: cover;
  opacity: .92;
}

/* ---------- 页内导航 ---------- */
.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--ct-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  color: var(--signal);
  border-color: rgba(79, 227, 208, .55);
  background: rgba(79, 227, 208, .07);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  scroll-margin-top: 88px;
  padding: 46px 0 0;
}

.page-contact .section-head__title {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(21px, 4.6vw, 32px);
  line-height: 1.25;
  letter-spacing: -.005em;
  color: var(--silver);
}

/* ---------- 01 回复时段 ---------- */
.page-contact .ct-hours {
  margin-top: 22px;
}

.page-contact .ct-hours__lead {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 58ch;
}

.page-contact .ct-hours__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hours__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--ct-line);
  border-left: 3px solid rgba(79, 227, 208, .45);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(15, 46, 46, .38);
}

.page-contact .ct-hours__num {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--signal);
}

.page-contact .ct-hours__row h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--silver);
}

.page-contact .ct-hours__row p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 02 邮件标题 ---------- */
.page-contact .ct-subject {
  margin-top: 22px;
}

.page-contact .ct-subject__lead {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

.page-contact .ct-subject__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-subject__example {
  padding: 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(27, 27, 58, .8), rgba(11, 18, 32, .95));
}

.page-contact .ct-subject__line {
  margin: 14px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(231, 183, 95, .09);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--silver);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-subject__hint {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-contact .ct-subject__list li {
  padding: 14px 16px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-md);
  background: rgba(11, 18, 32, .6);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-subject__list .mono {
  display: block;
  margin-bottom: 4px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold);
}

/* ---------- 03 运营地区 ---------- */
.page-contact .ct-region {
  display: grid;
  gap: var(--ct-gap);
  margin-top: 22px;
}

.page-contact .ct-region__map {
  margin: 0;
  border: 1px solid var(--ct-line-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-deep);
  position: relative;
}

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

.page-contact .ct-region__map figcaption {
  padding: 10px 16px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--gold);
  background: rgba(5, 7, 12, .82);
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-region__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  color: var(--silver);
}

.page-contact .ct-region__body > p {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-contact .ct-region__facts li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-sm);
  background: rgba(27, 27, 58, .45);
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .ct-region__facts .mono-label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-contact .ct-region__note {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(167, 176, 192, .3);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 04 合作与媒体 ---------- */
.page-contact .ct-partner__lead {
  margin: 20px 0 20px;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

.page-contact .ct-partner {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-partner li {
  padding: 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(122, 46, 67, .22), rgba(11, 18, 32, .9) 58%);
}

.page-contact .ct-partner .mono {
  display: block;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--signal);
}

.page-contact .ct-partner h3 {
  margin: 10px 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 17px;
  color: var(--silver);
}

.page-contact .ct-partner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 05 写信清单 ---------- */
.page-contact .ct-letter {
  display: grid;
  gap: var(--ct-gap);
  margin-top: 22px;
}

.page-contact .ct-letter__fields,
.page-contact .ct-letter__send {
  padding: 22px 20px;
  border: 1px solid var(--ct-line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(27, 27, 58, .7), rgba(11, 18, 32, .95));
}

.page-contact .ct-letter__send {
  background: linear-gradient(160deg, rgba(15, 46, 46, .7), rgba(11, 18, 32, .95));
}

.page-contact .ct-field {
  margin-top: 18px;
}

.page-contact .ct-field__label {
  display: block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .01em;
  color: var(--silver);
  margin-bottom: 8px;
}

.page-contact .ct-field input,
.page-contact .ct-field textarea {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid var(--ct-line-strong);
  border-radius: var(--r-sm);
  background: rgba(5, 7, 12, .62);
  color: var(--silver);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .ct-field textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-serif);
}

.page-contact .ct-field input::placeholder,
.page-contact .ct-field textarea::placeholder {
  color: rgba(167, 176, 192, .72);
}

.page-contact .ct-field input:focus,
.page-contact .ct-field textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: rgba(5, 7, 12, .85);
}

.page-contact .ct-field__hint {
  margin: 8px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-steps {
  display: grid;
  gap: 14px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
}

.page-contact .ct-steps .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: 3px;
}

.page-contact .ct-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .ct-mail {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--signal);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-letter__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ct-line);
  font-size: 13px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 相关入口 ---------- */
.page-contact .ct-section--links {
  padding-top: 50px;
}

.page-contact .ct-links__title {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(19px, 4.2vw, 26px);
  letter-spacing: -.005em;
  color: var(--silver);
}

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

.page-contact .ct-related a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--ct-line);
  border-left: 2px solid rgba(79, 227, 208, .35);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(11, 18, 32, .6);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15px;
  color: var(--silver);
  text-decoration: none;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .ct-related a span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-related a:hover,
.page-contact .ct-related a:focus-visible {
  border-left-color: var(--signal);
  background: rgba(79, 227, 208, .07);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-card--mail {
    grid-column: 1 / -1;
  }

  .page-contact .ct-card__visual img {
    height: 170px;
  }

  .page-contact .ct-hours__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .ct-hours__row {
    grid-template-columns: 1fr;
    border-radius: var(--r-md);
    border-left-width: 1px;
    border-top: 3px solid rgba(79, 227, 208, .45);
  }

  .page-contact .ct-subject__grid {
    grid-template-columns: 1.25fr .9fr;
    align-items: start;
  }

  .page-contact .ct-partner {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-related {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-contact {
    padding-bottom: 84px;
  }

  .page-contact .ct-hero {
    padding: 26px 0 10px;
  }

  .page-contact .ct-cards {
    grid-template-columns: 1.45fr 1fr;
    grid-template-rows: auto auto;
    gap: 20px;
    margin-top: 34px;
  }

  .page-contact .ct-card--mail {
    grid-column: 1;
    grid-row: 1 / 3;
    padding: 28px 26px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .page-contact .ct-card--mail .ct-card__visual {
    margin-top: 26px;
  }

  .page-contact .ct-card__visual img {
    height: 210px;
  }

  .page-contact .ct-jump {
    margin-top: 30px;
  }

  .page-contact .ct-section {
    padding-top: 62px;
  }

  .page-contact .ct-hours__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .page-contact .ct-region {
    grid-template-columns: 1.15fr 1fr;
    gap: 28px;
    align-items: start;
  }

  .page-contact .ct-letter {
    grid-template-columns: 1.15fr .85fr;
    gap: 24px;
    align-items: start;
  }

  .page-contact .ct-letter__fields,
  .page-contact .ct-letter__send {
    padding: 28px 26px;
  }

  .page-contact .ct-related {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-jump a,
  .page-contact .ct-field input,
  .page-contact .ct-field textarea,
  .page-contact .ct-related a {
    transition: none;
  }
}