.page-contact {
  --pc-radius: 20px;
  --pc-hair: 1px;
}

.page-contact .section {
  padding-block: clamp(2rem, 5vw, 3.75rem);
}

.page-contact .pc-intro {
  padding-top: clamp(1rem, 3vw, 2rem);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
}

.page-contact .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.page-contact .breadcrumb__link {
  color: var(--dimmer);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-contact .breadcrumb__link:hover {
  color: var(--gold);
}

.page-contact .breadcrumb__link[aria-current="page"] {
  color: var(--silver);
}

.page-contact .breadcrumb__sep {
  color: var(--line);
}

.page-contact .page-head {
  max-width: 44rem;
  padding: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .page-head__index {
  margin: 0 0 1.1rem;
}

.page-contact .kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .display {
  margin: 0 0 1.15rem;
  font-size: clamp(1.85rem, 5.4vw, 3.15rem);
  line-height: 1.16;
  letter-spacing: .02em;
  font-weight: 700;
}

.page-contact .page-head__lede {
  margin: 0;
  max-width: 34em;
  font-size: clamp(.98rem, 2.2vw, 1.06rem);
  line-height: 1.85;
  color: var(--dim);
}

.page-contact .h2 {
  margin: 1rem 0 1.1rem;
  font-size: clamp(1.28rem, 3.4vw, 1.85rem);
  line-height: 1.32;
  letter-spacing: .02em;
  font-weight: 600;
}

.page-contact .lede {
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--dim);
}

.page-contact .pc-prose {
  margin: 0 0 1rem;
  max-width: 34em;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--dim);
}

.page-contact .pc-hero {
  margin: 0;
}

.page-contact .pc-hero .media__frame {
  border-radius: 22px 22px 22px 5px;
  overflow: hidden;
  border: var(--pc-hair) solid var(--line);
}

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

.page-contact .pc-hero .media__caption,
.page-contact .hours__figure .media__caption {
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--dimmer);
}

/* ---------- 工作台：渠道 + 表单 ---------- */

.page-contact .desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4.5vw, 3rem);
}

.page-contact .chan {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  border-top: var(--pc-hair) solid var(--line);
}

.page-contact .chan__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0 1rem;
  padding: 1.15rem 0;
  border-bottom: var(--pc-hair) solid var(--line);
  transition: background-color .2s var(--ease);
}

.page-contact .chan__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--gold);
  padding-top: .28rem;
}

.page-contact .chan__name {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .03em;
}

.page-contact .chan__value {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .92rem;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--silver);
  word-break: break-word;
}

.page-contact .chan__use {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--dim);
}

.page-contact .formcard {
  position: relative;
  padding: clamp(1.25rem, 3.5vw, 2rem);
  border: var(--pc-hair) solid var(--line);
  border-radius: var(--pc-radius) var(--pc-radius) 6px var(--pc-radius);
  background:
    radial-gradient(120% 80% at 100% 0%, rgba(139, 123, 216, .18), transparent 62%),
    linear-gradient(165deg, rgba(15, 36, 64, .98), rgba(7, 20, 38, .99));
  box-shadow: 0 28px 64px -34px rgba(0, 0, 0, .95);
}

.page-contact .formcard__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}

.page-contact .formcard__hint {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--dimmer);
}

.page-contact .field {
  margin-bottom: 1.05rem;
}

.page-contact .field__label {
  display: block;
  margin-bottom: .45rem;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--dim);
}

.page-contact .field__label span {
  color: var(--gold);
}

.page-contact .field__input {
  box-sizing: border-box;
  width: 100%;
  padding: .7rem .85rem;
  border: var(--pc-hair) solid var(--line);
  border-radius: 8px;
  background: rgba(7, 20, 38, .88);
  color: var(--silver);
  font-family: var(--font-body);
  font-size: .94rem;
  line-height: 1.6;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .field__input::placeholder {
  color: var(--dimmer);
}

.page-contact .field__input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft);
}

.page-contact .field__input:not(:placeholder-shown):invalid {
  border-color: var(--eclipse);
}

.page-contact .field__input--select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--dim) 50%), linear-gradient(135deg, var(--dim) 50%, transparent 50%);
  background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}

.page-contact .field__input--area {
  min-height: 7rem;
  resize: vertical;
}

.page-contact .field__tip {
  margin: .5rem 0 0;
  font-size: .76rem;
  line-height: 1.65;
  color: var(--dimmer);
}

.page-contact .formcard__submit {
  width: 100%;
  justify-content: center;
  margin-top: .35rem;
}

.page-contact .formcard__note {
  margin: .9rem 0 0;
  font-size: .76rem;
  line-height: 1.7;
  color: var(--dimmer);
}

/* ---------- 反馈主题切换 ---------- */

.page-contact .topic {
  max-width: 52rem;
}

.page-contact .topic-switch {
  position: relative;
}

.page-contact .topic-radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
}

.page-contact .topic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .topic-tab {
  display: inline-flex;
  align-items: center;
  padding: .55rem 1.1rem;
  border: var(--pc-hair) solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--dim);
  cursor: pointer;
  user-select: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .topic-tab:hover {
  color: var(--silver);
  border-color: rgba(216, 169, 74, .55);
}

.page-contact .topic-radio:focus-visible ~ .topic-tabs .topic-tab {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .topic-radio:nth-of-type(1):checked ~ .topic-tabs .topic-tab:nth-child(1),
.page-contact .topic-radio:nth-of-type(2):checked ~ .topic-tabs .topic-tab:nth-child(2),
.page-contact .topic-radio:nth-of-type(3):checked ~ .topic-tabs .topic-tab:nth-child(3) {
  color: var(--space);
  background: var(--gold);
  border-color: var(--gold);
}

.page-contact .topic-panels {
  margin-top: 1.6rem;
}

.page-contact .topic-panel {
  display: none;
  padding: .2rem 0 .2rem 1.15rem;
  border-left: 2px solid var(--gold);
}

.page-contact .topic-radio:nth-of-type(1):checked ~ .topic-panels .topic-panel:nth-child(1),
.page-contact .topic-radio:nth-of-type(2):checked ~ .topic-panels .topic-panel:nth-child(2),
.page-contact .topic-radio:nth-of-type(3):checked ~ .topic-panels .topic-panel:nth-child(3) {
  display: block;
}

.page-contact .topic-panel__title {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .topic-panel__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .ticks {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-contact .ticks li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--dim);
}

.page-contact .ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .66em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--violet));
}

.page-contact .inline-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 169, 74, .45);
  transition: border-color .18s var(--ease);
}

.page-contact .inline-link:hover {
  border-bottom-color: var(--gold);
}

/* ---------- 回复节奏 ---------- */

.page-contact .hours {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4.5vw, 2.75rem);
}

.page-contact .hourrail {
  display: flex;
  align-items: center;
  gap: .85rem;
  margin: 1.6rem 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--dimmer);
}

.page-contact .hourrail__bar {
  flex: 1;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--teal), var(--violet) 55%, var(--gold));
}

.page-contact .hours__cta {
  margin: 1.6rem 0 0;
}

.page-contact .hours__hint {
  margin: .85rem 0 0;
  max-width: 30em;
  font-size: .8rem;
  line-height: 1.75;
  color: var(--dimmer);
}

.page-contact .hours__figure {
  margin: 0;
}

.page-contact .hours__figure .media__frame {
  border-radius: 16px 16px 16px 4px;
  overflow: hidden;
  border: var(--pc-hair) solid var(--line);
}

/* ---------- 栏目与合作 ---------- */

.page-contact .collab {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.25rem);
  padding-top: clamp(.5rem, 2vw, 1rem);
  border-top: var(--pc-hair) solid var(--line);
}

.page-contact .collab__lead .h2 {
  max-width: 22em;
}

.page-contact .collab__link {
  margin: 1.6rem 0 0;
}

/* ---------- 信息用途 ---------- */

.page-contact .pc-privacy-sec {
  border-top: var(--pc-hair) solid var(--line);
}

.page-contact .privacy-strip {
  max-width: 42rem;
}

.page-contact .privacy-strip .h2 {
  color: var(--ink);
}

.page-contact .privacy-strip p {
  margin: 0 0 1rem;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-contact .privacy-strip .inline-link {
  color: var(--eclipse);
  border-bottom-color: rgba(184, 84, 60, .4);
}

.page-contact .privacy-strip .inline-link:hover {
  border-bottom-color: var(--eclipse);
}

.page-contact .pc-privacy-sec .kicker {
  color: var(--eclipse);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .chan__item {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 0 1.35rem;
    padding: 1.35rem 0;
  }
}

@media (min-width: 900px) {
  .page-contact .desk {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    align-items: start;
  }

  .page-contact .desk__form {
    margin-top: clamp(1.25rem, 4vw, 3.25rem);
  }

  .page-contact .hours {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .88fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-contact .collab {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-contact .pc-hero .media__frame {
    max-height: 460px;
  }

  .page-contact .pc-hero .media__frame img {
    max-height: 460px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field__input,
  .page-contact .topic-tab,
  .page-contact .breadcrumb__link,
  .page-contact .chan__item,
  .page-contact .inline-link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>