.page-contact {
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(22, 224, 196, .10), transparent 62%),
    radial-gradient(90% 60% at 0% 18%, rgba(43, 33, 96, .38), transparent 60%),
    var(--ink);
  color: var(--text-soft);
  overflow-x: hidden;
}

.page-contact .wrap {
  width: 100%;
}

.page-contact h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.2vw, 66px);
  line-height: 1.02;
  letter-spacing: -.012em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .ct-head {
  max-width: 60ch;
}

.page-contact .ct-head .lede {
  margin-top: 12px;
  max-width: 54ch;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
  padding-block: clamp(18px, 4vw, 34px) clamp(34px, 7vw, 76px);
  align-items: start;
}

.page-contact .ct-hero__main > * + * {
  margin-top: 18px;
}

.page-contact .ct-hero__main .lede {
  max-width: 50ch;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 6px;
}

.page-contact .ct-quick {
  position: relative;
  padding: 20px clamp(16px, 4vw, 28px) 22px;
  background: linear-gradient(155deg, var(--ink-2), rgba(18, 61, 52, .72));
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .ct-quick__head {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-quick__row {
  display: grid;
  gap: 3px;
  padding-block: 11px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-quick__row:last-child {
  border-bottom: 0;
}

.page-contact .ct-quick__k {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .ct-quick__v {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-quick__note {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 通道总览 ---------- */
.page-contact .ct-channels__top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 40px);
  align-items: end;
}

.page-contact .ct-channels__fig {
  margin: 0;
  border: 1px solid var(--line);
}

.page-contact .ct-channels__fig .media-frame__img {
  filter: saturate(.85) brightness(.92);
}

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 4vw, 40px);
}

.page-contact .ct-card {
  padding: 20px 18px 22px;
  background: linear-gradient(165deg, var(--ink-2), rgba(7, 31, 26, .92));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .ct-card--form {
  background: linear-gradient(165deg, rgba(43, 33, 96, .62), rgba(7, 31, 26, .95));
}

.page-contact .ct-card--phone {
  background: linear-gradient(165deg, rgba(107, 31, 51, .58), rgba(7, 31, 26, .95));
}

.page-contact .ct-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-contact .ct-card__title {
  margin: 14px 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.15;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-contact .ct-card__value {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .ct-card--form .ct-card__value {
  color: var(--cyan-soft);
}

.page-contact .ct-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .ct-card__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 8px;
}

.page-contact .ct-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .ct-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: skewX(-18deg);
}

/* ---------- 邮件写法 ---------- */
.page-contact .ct-mail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 56px);
  padding-top: clamp(8px, 2vw, 16px);
}

.page-contact .ct-mail__side > p:not(.eyebrow) {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .ct-mail__tpl {
  margin-top: 18px;
  padding: 14px 16px 16px;
  background: var(--ink-3);
  border-left: 3px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-contact .ct-mail__tpl-label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.page-contact .ct-mail__tpl-text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-mail__hint {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-mail__fold {
  padding: 22px clamp(16px, 3vw, 26px) 10px;
  background: rgba(12, 46, 38, .55);
  border: 1px solid var(--line);
}

.page-contact .ct-mail__fold-title {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .ct-details {
  border-top: 1px solid var(--line);
}

.page-contact .ct-details > summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: color .25s var(--ease);
}

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

.page-contact .ct-details > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
  transition: color .25s var(--ease);
}

.page-contact .ct-details[open] > summary::after {
  content: "–";
  color: var(--cyan);
}

.page-contact .ct-details[open] > summary,
.page-contact .ct-details > summary:hover {
  color: var(--cyan-soft);
}

.page-contact .ct-details__body {
  padding-bottom: 14px;
}

.page-contact .ct-details__body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .ct-details__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 表单字段 ---------- */
.page-contact .ct-fields {
  list-style: none;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  counter-reset: none;
}

.page-contact .ct-field {
  padding: 18px 16px 20px;
  border-top: 2px solid var(--cyan);
  background: rgba(12, 46, 38, .5);
}

.page-contact .ct-field:nth-child(2) {
  border-top-color: var(--amber);
}

.page-contact .ct-field:nth-child(3) {
  border-top-color: var(--cyan-soft);
}

.page-contact .ct-field:nth-child(4) {
  border-top-color: var(--wine);
}

.page-contact .ct-field__num {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .ct-field__name {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .ct-field__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-contact .ct-fields__note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--line-strong);
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 地址 ---------- */
.page-contact .ct-addr {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .ct-addr__fig {
  margin: 0;
  border: 1px solid var(--line);
}

.page-contact .ct-addr__fig .media-frame__img {
  filter: saturate(.8) brightness(.88);
}

.page-contact .ct-addr__panel {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, rgba(43, 33, 96, .5), rgba(7, 31, 26, .96));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .ct-addr__intro {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.78;
}

.page-contact .ct-coord {
  margin: 20px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-coord__row {
  display: grid;
  gap: 4px;
  padding-block: 13px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-coord__k {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .ct-coord__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-addr__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 其他来意 ---------- */
.page-contact .ct-links {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-links__row {
  display: grid;
  gap: 6px;
  padding: 16px 12px 16px 14px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: background-color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .ct-links__row:hover {
  background: rgba(22, 224, 196, .06);
  border-left-color: var(--amber);
}

.page-contact .ct-links__tag {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan-soft);
}

.page-contact .ct-links__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .ct-links__text a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 3px;
}

.page-contact .ct-links__text a:hover {
  color: var(--cyan);
}

.page-contact .ct-links__go {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .ct-links__go:hover {
  color: var(--cyan-soft);
}

.page-contact .ct-links__footer {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.9;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .ct-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .ct-links__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 20px;
  }

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

  .page-contact .ct-links__go {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .ct-channels__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: clamp(28px, 4vw, 48px);
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-mail__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-contact .ct-addr {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-contact .ct-links__row {
    grid-template-columns: 190px minmax(0, 1fr) 120px;
    padding-block: 20px;
  }

  .page-contact .ct-links__tag {
    grid-column: auto;
  }

  .page-contact .ct-links__go {
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-links__row,
  .page-contact .ct-details > summary {
    transition: none;
  }

  .page-contact .ct-card:hover {
    transform: none;
  }
}