.page-contact {
  --ct-cut: 16px;
  background: var(--mk-navy);
  color: var(--mk-paper);
}

.page-contact .ct-top {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: 6px;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -60px 0 auto;
  height: 520px;
  background:
    radial-gradient(620px 380px at 88% 0%, rgba(31, 166, 166, 0.20), transparent 72%),
    radial-gradient(460px 320px at 4% 62%, rgba(230, 79, 160, 0.13), transparent 74%);
  pointer-events: none;
}

.page-contact .ct-hero__grid {
  position: relative;
  display: grid;
  gap: 30px;
  padding-top: 16px;
  padding-bottom: 44px;
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
}

.page-contact .ct-hero__mark {
  display: inline-block;
  color: var(--mk-gold);
}

.page-contact .ct-hero__intro .mk-lede {
  margin-top: 14px;
  max-width: 58ch;
  color: var(--mk-muted);
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--mk-line);
  clip-path: polygon(
    var(--ct-cut) 0,
    100% 0,
    100% calc(100% - var(--ct-cut)),
    calc(100% - var(--ct-cut)) 100%,
    0 100%,
    0 var(--ct-cut)
  );
}

/* ---------- 三张联络卡 ---------- */
.page-contact .ct-channels {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-channel {
  position: relative;
  padding: 16px 16px 14px;
  background: linear-gradient(155deg, rgba(17, 28, 61, 0.95), rgba(11, 18, 38, 0.92));
  border: 1px solid var(--mk-line);
  clip-path: polygon(
    0 0,
    calc(100% - 12px) 0,
    100% 12px,
    100% 100%,
    12px 100%,
    0 calc(100% - 12px)
  );
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 52%;
  height: 2px;
  background: linear-gradient(90deg, var(--mk-cyan), transparent);
}

.page-contact .ct-channel:nth-child(2)::before {
  background: linear-gradient(90deg, var(--mk-gold), transparent);
}

.page-contact .ct-channel:nth-child(3)::before {
  background: linear-gradient(90deg, var(--mk-magenta), transparent);
}

.page-contact .ct-channel__no {
  display: block;
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mk-cyan);
}

.page-contact .ct-channel h2 {
  margin: 8px 0 10px;
}

.page-contact .ct-channel .mk-copy__value {
  font-size: 13px;
  word-break: break-all;
}

.page-contact .ct-channel__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mk-muted);
}

.page-contact .ct-channel .mk-btn {
  margin-top: 12px;
}

/* ---------- 地址 + 反馈单 ---------- */
.page-contact .ct-desk {
  margin-top: 44px;
  padding: 48px 0 8px;
  border-top: 1px solid var(--mk-line);
}

.page-contact .ct-desk__grid {
  display: grid;
  gap: 32px;
}

.page-contact .ct-side__title {
  margin: 0 0 4px;
}

.page-contact .ct-addr {
  margin-top: 14px;
  padding: 16px 16px 16px 18px;
  font-family: var(--mk-mono);
  font-size: 14px;
  line-height: 28px;
  color: var(--mk-paper);
  background-color: rgba(17, 28, 61, 0.62);
  background-image: repeating-linear-gradient(
    180deg,
    transparent 0 27px,
    rgba(42, 58, 90, 0.55) 27px 28px
  );
  border-left: 3px solid var(--mk-teal);
}

.page-contact .ct-hours {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px dashed var(--mk-line);
  background: rgba(232, 180, 90, 0.07);
}

.page-contact .ct-hours p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mk-muted);
}

.page-contact .ct-hours strong {
  color: var(--mk-gold);
  font-family: var(--mk-mono);
  font-weight: 500;
}

.page-contact .ct-side__links {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .ct-side__links a {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 13px;
  border: 1px solid var(--mk-line);
  background: rgba(17, 28, 61, 0.5);
  color: var(--mk-paper);
  font-size: 15px;
  text-decoration: none;
  transition: background 180ms var(--mk-ease), border-color 180ms var(--mk-ease);
}

.page-contact .ct-side__links a span {
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mk-muted);
}

.page-contact .ct-side__links a:hover,
.page-contact .ct-side__links a:focus-visible {
  border-color: var(--mk-teal);
  background: rgba(31, 166, 166, 0.14);
}

.page-contact .ct-main {
  min-width: 0;
}

.page-contact .ct-form {
  padding: 22px 18px 20px;
  background: linear-gradient(165deg, rgba(17, 28, 61, 0.88), rgba(11, 18, 38, 0.92));
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-gold);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 18px),
    calc(100% - 18px) 100%,
    0 100%
  );
}

.page-contact .ct-form__head p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mk-muted);
}

.page-contact .ct-fields {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-contact .ct-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .ct-field__label {
  font-family: var(--mk-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--mk-paper);
}

.page-contact .ct-field__input {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 13px;
  font-family: var(--mk-mono);
  font-size: 14px;
  color: var(--mk-paper);
  background: rgba(11, 18, 38, 0.9);
  border: 1px solid var(--mk-line);
  border-radius: 2px;
}

.page-contact .ct-field__input::placeholder {
  color: rgba(175, 192, 216, 0.65);
}

.page-contact .ct-field__input:hover {
  border-color: var(--mk-teal);
}

.page-contact .ct-field__input:focus-visible {
  outline: 2px solid var(--mk-cyan);
  outline-offset: 2px;
  border-color: var(--mk-teal);
}

.page-contact .ct-field__area {
  font-family: var(--mk-body);
  resize: vertical;
  min-height: 104px;
}

.page-contact .ct-field__hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mk-muted);
}

.page-contact .ct-form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--mk-line);
}

.page-contact .ct-form__note {
  flex: 1 1 220px;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mk-muted);
}

/* ---------- 反馈分类 ---------- */
.page-contact .ct-kinds {
  padding: 52px 0;
  border-top: 1px solid var(--mk-line);
}

.page-contact .ct-kinds__head p.mk-eyebrow {
  margin-bottom: 10px;
}

.page-contact .ct-kinds__head h2 {
  margin: 0;
}

.page-contact .ct-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 18px;
}

.page-contact .ct-tab {
  appearance: none;
  padding: 9px 16px;
  font-family: var(--mk-display);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--mk-muted);
  background: rgba(17, 28, 61, 0.55);
  border: 1px solid var(--mk-line);
  border-radius: 2px;
  cursor: pointer;
  transition: color 160ms var(--mk-ease), background 160ms var(--mk-ease),
    border-color 160ms var(--mk-ease);
}

.page-contact .ct-tab:hover {
  color: var(--mk-paper);
  border-color: var(--mk-teal);
}

.page-contact .ct-tab[aria-selected="true"] {
  color: var(--mk-navy);
  font-weight: 700;
  background: var(--mk-cyan);
  border-color: var(--mk-cyan);
}

.page-contact .ct-tab:focus-visible {
  outline: 2px solid var(--mk-magenta);
  outline-offset: 2px;
}

.page-contact .ct-panel {
  padding: 20px 18px;
  background: rgba(17, 28, 61, 0.62);
  border: 1px solid var(--mk-line);
  border-left: 3px solid var(--mk-magenta);
}

.page-contact .ct-panel:focus-visible {
  outline: 2px solid var(--mk-cyan);
  outline-offset: 3px;
}

.page-contact .ct-panel__grid {
  display: grid;
  gap: 18px;
}

.page-contact .ct-panel__cell h3 {
  margin: 0 0 7px;
}

.page-contact .ct-panel__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mk-muted);
}

/* ---------- 回复流程 ---------- */
.page-contact .ct-flow {
  padding: 52px 0;
  border-top: 1px solid var(--mk-line);
}

.page-contact .ct-flow__head h2 {
  margin: 10px 0 0;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-step {
  position: relative;
  padding: 18px 16px 16px;
  background: linear-gradient(180deg, rgba(17, 28, 61, 0.82), rgba(11, 18, 38, 0.72));
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-teal);
}

.page-contact .ct-step:nth-child(2) {
  border-top-color: var(--mk-cyan);
}

.page-contact .ct-step:nth-child(3) {
  border-top-color: var(--mk-gold);
}

.page-contact .ct-step:nth-child(4) {
  border-top-color: var(--mk-magenta);
}

.page-contact .ct-step__no {
  display: block;
  font-family: var(--mk-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--mk-muted);
}

.page-contact .ct-step h3 {
  margin: 10px 0 7px;
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mk-muted);
}

.page-contact .ct-flow__figure {
  margin: 26px 0 0;
  border: 1px solid var(--mk-line);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-tail {
  padding: 46px 0 66px;
  border-top: 1px solid var(--mk-line);
  background: linear-gradient(180deg, rgba(31, 166, 166, 0.08), transparent 72%);
}

.page-contact .ct-tail__inner {
  display: grid;
  gap: 22px;
}

.page-contact .ct-tail__inner .mk-lede {
  margin-top: 12px;
  color: var(--mk-muted);
}

.page-contact .ct-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-contact .ct-panel {
    padding: 24px 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
    gap: 48px;
    padding-top: 22px;
  }

  .page-contact .ct-hero__figure {
    order: -1;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-desk__grid {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .ct-side {
    position: sticky;
    top: 104px;
  }

  .page-contact .ct-panel__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .ct-tail__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-side__links a,
  .page-contact .ct-tab {
    transition: none;
  }
}
<<<END>>>