.page-contact {
  --ct-surface: var(--slate-850);
  --ct-line: var(--slate-700);
  --ct-ink: var(--mist-050);
  --ct-dim: var(--fog-300);
  --ct-cyan: var(--cyan-400);
  --ct-orange: var(--orange-500);
  background: var(--night-950);
  color: var(--ct-ink);
}

.page-contact .breadcrumb {
  padding: 20px 0 4px;
  font-size: 13px;
  color: var(--ct-dim);
}

.page-contact .breadcrumb a {
  color: var(--ct-dim);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--ct-cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(18px, 4vw, 36px) 0 clamp(36px, 7vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(61, 245, 208, 0.10), transparent 62%),
    radial-gradient(90% 70% at 6% 96%, rgba(11, 143, 125, 0.16), transparent 66%),
    var(--pitch-950);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 48px);
  grid-template-columns: 1fr;
  align-items: center;
}

.page-contact .ct-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(30px, 7.2vw, 54px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  max-width: 18ch;
}

.page-contact .ct-hero .lead {
  margin: 16px 0 0;
  max-width: 46ch;
  color: var(--ct-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .ct-hero__note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ct-dim);
}

.page-contact .ct-hero__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--night-950);
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(61, 245, 208, 0.18);
  border-radius: calc(var(--radius-l) - 8px);
  pointer-events: none;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.92);
}

.page-contact .ct-hero__media figcaption {
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ct-dim);
  border-top: 1px solid var(--ct-line);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  padding: clamp(40px, 7vw, 84px) 0;
}

.page-contact .ct-section--alt {
  background: var(--pitch-950);
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-head {
  max-width: 56ch;
  margin-bottom: clamp(22px, 4vw, 36px);
}

.page-contact .ct-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(24px, 5.4vw, 36px);
  line-height: 1.14;
  letter-spacing: 0.01em;
}

.page-contact .ct-head p {
  margin: 12px 0 0;
  color: var(--ct-dim);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .ct-channel {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--ct-surface);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-m);
  box-shadow: 0 18px 40px -30px rgba(0, 0, 0, 0.9);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ct-cyan), rgba(61, 245, 208, 0));
  border-radius: 2px;
}

.page-contact .ct-channel--visit::before {
  background: linear-gradient(90deg, var(--orange-500), rgba(255, 91, 46, 0));
}

.page-contact .ct-channel__label {
  margin: 6px 0 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ct-dim);
}

.page-contact .ct-channel__label .mono {
  color: var(--ct-cyan);
  margin-right: 8px;
}

.page-contact .ct-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 4.6vw, 25px);
  line-height: 1.32;
  color: var(--ct-ink);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel__value:hover,
.page-contact .ct-channel__value:focus-visible {
  color: var(--ct-cyan);
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15.5px;
  line-height: 1.65;
  letter-spacing: 0.01em;
}

.page-contact .ct-channel__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ct-dim);
}

.page-contact .ct-channel__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--ct-cyan);
}

/* ---------- 地址与地图 ---------- */
.page-contact .ct-visit {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-contact .ct-visit h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(23px, 5vw, 34px);
  line-height: 1.16;
  max-width: 22ch;
}

.page-contact .ct-visit p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-dim);
}

.page-contact .ct-visit__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-visit__list li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ct-line);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .ct-visit__list .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.07em;
  color: var(--ct-cyan);
}

.page-contact .ct-visit__visual {
  display: grid;
  gap: 14px;
}

.page-contact .ct-map {
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--night-950);
}

.page-contact .ct-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .ct-visit__figure {
  margin: 0;
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ct-surface);
}

.page-contact .ct-visit__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .ct-visit__figure figcaption {
  padding: 9px 12px 11px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--ct-dim);
  border-top: 1px solid var(--ct-line);
}

/* ---------- 反馈类型切换 ---------- */
.page-contact .fb {
  position: relative;
}

.page-contact .fb__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .fb__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .fb__chips .chip {
  cursor: pointer;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
}

.page-contact .fb__panels {
  margin-top: 16px;
}

.page-contact .fb__panel {
  display: none;
  padding: 20px;
  background: var(--ct-surface);
  border: 1px solid var(--ct-line);
  border-left: 2px solid var(--ct-cyan);
  border-radius: var(--radius-m);
}

.page-contact .fb__panel h3 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.page-contact .fb__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .fb__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ct-dim);
}

.page-contact .fb__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-700);
}

.page-contact .fb__radio:nth-of-type(1):checked ~ .fb__panels > .fb__panel:nth-child(1),
.page-contact .fb__radio:nth-of-type(2):checked ~ .fb__panels > .fb__panel:nth-child(2),
.page-contact .fb__radio:nth-of-type(3):checked ~ .fb__panels > .fb__panel:nth-child(3),
.page-contact .fb__radio:nth-of-type(4):checked ~ .fb__panels > .fb__panel:nth-child(4) {
  display: block;
}

.page-contact .fb__radio:nth-of-type(1):checked ~ .fb__chips label[for="fb-scores"],
.page-contact .fb__radio:nth-of-type(2):checked ~ .fb__chips label[for="fb-squad"],
.page-contact .fb__radio:nth-of-type(3):checked ~ .fb__chips label[for="fb-rank"],
.page-contact .fb__radio:nth-of-type(4):checked ~ .fb__chips label[for="fb-tech"] {
  border-color: var(--ct-cyan);
  background: rgba(61, 245, 208, 0.14);
  color: var(--ct-cyan);
}

.page-contact .fb__radio:nth-of-type(1):focus-visible ~ .fb__chips label[for="fb-scores"],
.page-contact .fb__radio:nth-of-type(2):focus-visible ~ .fb__chips label[for="fb-squad"],
.page-contact .fb__radio:nth-of-type(3):focus-visible ~ .fb__chips label[for="fb-rank"],
.page-contact .fb__radio:nth-of-type(4):focus-visible ~ .fb__chips label[for="fb-tech"] {
  outline: 2px solid var(--ct-cyan);
  outline-offset: 2px;
}

.page-contact .ct-tip {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px dashed var(--ct-line);
  border-radius: var(--radius-s);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ct-dim);
  background: rgba(7, 23, 19, 0.55);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-hours {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-hours li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-hours__k {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--ct-cyan);
}

.page-contact .ct-hours__d {
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-dim);
}

/* ---------- 合作 ---------- */
.page-contact .ct-partners {
  align-items: stretch;
}

.page-contact .ct-partner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--ct-surface);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-m);
}

.page-contact .ct-partner__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-300);
}

.page-contact .ct-partner .card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.3;
}

.page-contact .ct-partner p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ct-dim);
}

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

/* ---------- 留言 ---------- */
.page-contact .ct-section--form {
  background:
    radial-gradient(80% 60% at 92% 8%, rgba(255, 91, 46, 0.10), transparent 60%),
    var(--night-950);
}

.page-contact .ct-message {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-contact .ct-message__aside h2 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(24px, 5.2vw, 34px);
  line-height: 1.16;
}

.page-contact .ct-message__aside p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-dim);
}

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

.page-contact .ct-message__note {
  padding-top: 14px;
  border-top: 1px dashed var(--ct-line);
  font-size: 13.5px;
}

.page-contact .ct-form {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 4vw, 28px);
  background: var(--ct-surface);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-l);
  box-shadow: 0 30px 60px -45px rgba(0, 0, 0, 1);
}

.page-contact .ct-form__row {
  display: grid;
  gap: 8px;
}

.page-contact .ct-form__label {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ct-ink);
}

.page-contact .ct-form__req {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--ct-orange);
}

.page-contact .ct-form__input {
  width: 100%;
  max-width: 100%;
  padding: 12px 13px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ct-ink);
  background: var(--night-950);
  border: 1px solid var(--ct-line);
  border-radius: var(--radius-s);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .ct-form__input::placeholder {
  color: rgba(155, 183, 178, 0.62);
}

.page-contact .ct-form__input:focus {
  outline: none;
  border-color: var(--ct-cyan);
  box-shadow: 0 0 0 3px rgba(61, 245, 208, 0.18);
}

.page-contact .ct-form__input:not(:placeholder-shown):invalid {
  border-color: var(--ct-orange);
  box-shadow: 0 0 0 3px rgba(255, 91, 46, 0.16);
}

.page-contact .ct-form__select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ct-cyan) 50%), linear-gradient(135deg, var(--ct-cyan) 50%, transparent 50%);
  background-position: calc(100% - 20px) 21px, calc(100% - 14px) 21px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 40px;
}

.page-contact .ct-form__textarea {
  min-height: 110px;
  resize: vertical;
}

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

.page-contact .ct-form__submit {
  justify-self: start;
  margin-top: 4px;
  padding: 13px 26px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--night-950);
  background: var(--ct-orange);
  border: 1px solid var(--ct-orange);
  border-radius: var(--radius-s);
  cursor: pointer;
  transition: transform 180ms var(--ease), filter 180ms var(--ease);
}

.page-contact .ct-form__submit:hover,
.page-contact .ct-form__submit:focus-visible {
  filter: brightness(1.08);
  transform: translateY(-1px);
  outline: 2px solid var(--ct-cyan);
  outline-offset: 3px;
}

.page-contact .ct-form__status {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ct-dim);
}

/* ---------- 站内指引 ---------- */
.page-contact .ct-section--links {
  border-top: 1px solid var(--ct-line);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .ct-links__title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(20px, 4.4vw, 27px);
  line-height: 1.28;
}

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

.page-contact .ct-links li {
  border-bottom: 1px solid var(--ct-line);
  padding-bottom: 10px;
}

.page-contact .ct-links a {
  color: var(--ct-ink);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.6;
}

.page-contact .ct-links a:hover,
.page-contact .ct-links a:focus-visible {
  color: var(--ct-cyan);
}

.page-contact .ct-links__back {
  margin: 24px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.page-contact .ct-links__back a {
  color: var(--ct-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 208, 0.4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-channels {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-contact .ct-hours li {
    grid-template-columns: 200px 1fr;
    align-items: baseline;
    gap: 20px;
  }

  .page-contact .ct-visit__list li {
    grid-template-columns: 88px 1fr;
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-contact .ct-channels {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

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

  .page-contact .ct-visit {
    grid-template-columns: 1fr 0.92fr;
    align-items: center;
  }

  .page-contact .ct-message {
    grid-template-columns: 0.85fr 1.15fr;
  }

  .page-contact .fb__panel {
    padding: 24px 26px;
  }

  .page-contact .fb__list {
    grid-template-columns: 1fr 1fr;
    gap: 9px 24px;
  }

  .page-contact .ct-links {
    grid-template-columns: 1fr 1fr;
    gap: 10px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-form__input,
  .page-contact .ct-form__submit {
    transition: none;
  }

  .page-contact .ct-form__submit:hover,
  .page-contact .ct-form__submit:focus-visible {
    transform: none;
  }
}
<<<END>>>