.page-contact {
  --ct-gap: clamp(14px, 2.4vw, 26px);
  --ct-soft-line: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-contact img {
  max-width: 100%;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .ct-hero__title {
  margin: 0.28em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 7vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-contact .ct-hero__lede {
  max-width: 42ch;
  margin: clamp(14px, 2vw, 22px) 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .ct-hero__stage {
  position: relative;
  margin-top: clamp(24px, 4vw, 44px);
  padding: clamp(16px, 3vw, 30px);
  overflow: hidden;
  border-top: var(--ct-soft-line);
  border-bottom: var(--ct-soft-line);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}

.page-contact .ct-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.5) contrast(0.95);
}

.page-contact .ct-hero__stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(242, 246, 247, 0.5) 0%, rgba(242, 246, 247, 0.86) 62%, rgba(242, 246, 247, 0.95) 100%);
}

.page-contact .ct-channels__title {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--deep);
}

.page-contact .ct-channels {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--glass);
  -webkit-backdrop-filter: blur(9px);
  backdrop-filter: blur(9px);
  border-top: 3px solid var(--gold);
  box-shadow: 0 1px 0 var(--line);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .ct-channel__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--grape);
}

.page-contact .ct-channel__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.32rem;
  line-height: 1.3;
  color: var(--deep);
}

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

.page-contact .ct-copyline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 12px 0 14px;
}

.page-contact .ct-mail {
  padding: 4px 8px;
  background: var(--gold-soft);
  color: var(--deep);
  font-size: 12px;
  letter-spacing: 0.04em;
  word-break: break-all;
}

.page-contact .ct-channel__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-needs {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .ct-needs li {
  position: relative;
  padding-left: 13px;
}

.page-contact .ct-needs li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 1px;
  background: var(--cyan);
}

@media (hover: hover) {
  .page-contact .ct-channel:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 36px -24px rgba(22, 51, 58, 0.55);
  }
}

/* ---------- 人工时段 ---------- */
.page-contact .ct-clock {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--paper-solid);
  border-left: 3px solid var(--gold);
}

.page-contact .ct-clock__bar {
  position: relative;
  height: 14px;
  background: var(--band);
  border: var(--ct-soft-line);
}

.page-contact .ct-clock__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 41.6667%;
  width: 37.5%;
  background: linear-gradient(90deg, var(--gold) 0%, #d6a244 55%, var(--gold) 100%);
  box-shadow: 0 0 0 1px rgba(192, 138, 42, 0.35);
}

.page-contact .ct-clock__ticks {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--deep);
}

.page-contact .ct-clock__tip {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .ct-steps {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-contact .ct-step {
  padding: clamp(14px, 2vw, 20px);
  background: var(--paper);
}

.page-contact .ct-step__num {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 电话地址 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-desk__text p {
  margin: 0 0 1em;
  font-size: 16px;
  line-height: 1.9;
  max-width: 42ch;
}

.page-contact .ct-desk__text .mono {
  color: var(--deep);
  word-break: break-all;
}

.page-contact .ct-facts {
  margin: 0;
  border-top: var(--ct-soft-line);
}

.page-contact .ct-facts__row {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: var(--ct-soft-line);
}

.page-contact .ct-facts dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-all;
}

/* ---------- 合作与投稿 ---------- */
.page-contact .ct-coop__wrap {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-contact .ct-coop__item {
  border-top: var(--ct-soft-line);
}

.page-contact .ct-coop__item:last-of-type {
  border-bottom: var(--ct-soft-line);
}

.page-contact .ct-coop__item summary {
  position: relative;
  padding: 15px 34px 15px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--deep);
}

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

.page-contact .ct-coop__item summary::after {
  content: "›";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--gold);
  transition: transform var(--dur) var(--ease);
}

.page-contact .ct-coop__item[open] summary::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-contact .ct-coop__body {
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .ct-coop__body p {
  margin: 0 0 0.7em;
  max-width: 40ch;
}

.page-contact .ct-coop__need {
  padding: 10px 12px;
  background: var(--band);
  font-size: 13.5px;
  color: var(--deep);
}

.page-contact .ct-coop__note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--deep);
}

.page-contact .ct-shot {
  margin: 0;
  align-self: start;
}

.page-contact .ct-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 3px solid var(--grape);
}

.page-contact .ct-shot__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--deep);
}

/* ---------- 常见来件 ---------- */
.page-contact .ct-matters {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--ct-soft-line);
}

.page-contact .ct-matters li {
  border-bottom: var(--ct-soft-line);
}

.page-contact .ct-matters summary {
  position: relative;
  padding: 13px 32px 13px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink);
}

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

.page-contact .ct-matters summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-contact .ct-matters details[open] summary::after {
  content: "−";
}

.page-contact .ct-matters__body {
  padding: 0 0 15px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .ct-matters__body p {
  margin: 0;
  max-width: 44ch;
}

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

.page-contact .ct-matters__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 900px) {
  .page-contact .ct-split {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-contact .ct-coop__wrap {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__stage {
    padding: 34px 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-coop__item summary::after,
  .page-contact .ct-matters summary::after {
    transition-duration: 120ms;
  }

  .page-contact .ct-channel:hover {
    transform: none;
  }
}
<<<END>>>