.page-contact {
  --ct-hair: var(--line-soft);
  --ct-lift: rgba(58, 42, 90, 0.55);
}

.page-contact .breadcrumb {
  padding-top: clamp(12px, 2vw, 20px);
}

.page-contact h2 {
  margin: 8px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(22px, 3.1vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .eyebrow {
  margin: 0 0 6px;
}

.page-contact .section-head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(14px, 2.4vw, 30px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

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

.page-contact .ct-hero h1 {
  margin: 10px 0 18px;
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.018em;
  color: var(--paper);
}

.page-contact .ct-hero h1 em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  color: var(--gold);
}

.page-contact .ct-hero__intro {
  max-width: 44ch;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.05vw, 17.5px);
  line-height: 1.68;
  color: var(--paper);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-contact .ct-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  box-shadow: 12px 12px 0 -1px var(--ct-lift);
}

.page-contact .ct-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-contact .ct-hero__visual .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .ct-hero__visual {
    margin-top: clamp(6px, 2vw, 30px);
  }
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-800);
}

.page-contact .ct-channel__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .ct-channel h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 13.6px;
  line-height: 1.62;
  color: var(--muted);
}

@media (min-width: 780px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .copy-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-field__label {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .ct-field__value {
  flex: 1 1 100%;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(12px, 1.05vw, 13.5px);
  line-height: 1.5;
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(53, 224, 208, 0.4);
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-contact .ct-field__value--plain {
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
}

.page-contact .copy-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-contact .ct-response {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid var(--gold);
  background: var(--ink-700);
}

.page-contact .ct-response__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-contact .ct-response__text {
  flex: 1 1 260px;
  min-width: 0;
  margin: 0;
  font-size: 13.8px;
  line-height: 1.62;
  color: var(--paper);
}

/* ---------- 商务合作 ---------- */
.page-contact .ct-coop {
  display: grid;
  gap: clamp(26px, 4vw, 54px);
  align-items: start;
}

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

.page-contact .ct-coop__lede {
  max-width: 46ch;
  margin: 16px 0 0;
  font-size: 14.6px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-coop__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-coop__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-coop__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .ct-coop__item h3 {
  margin: 0 0 5px;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-coop__item p {
  margin: 0;
  font-size: 13.6px;
  line-height: 1.64;
  color: var(--muted);
}

.page-contact .ct-coop__note {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13.4px;
  line-height: 1.66;
  color: var(--paper);
}

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

.page-contact .ct-coop__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--ink-700);
}

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

.page-contact .ct-coop__visual .media__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--muted);
}

@media (min-width: 940px) {
  .page-contact .ct-coop {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
  }

  .page-contact .ct-coop__visual {
    margin-top: 24px;
  }
}

/* ---------- 内容与数据反馈 ---------- */
.page-contact .ct-feedback {
  display: grid;
  gap: clamp(22px, 3.4vw, 46px);
  align-items: start;
}

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

.page-contact .ct-feedback__intro p {
  max-width: 42ch;
  margin: 16px 0 0;
  font-size: 14.4px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-feedback__hint {
  font-size: 13.4px !important;
  color: var(--muted) !important;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding: 14px 16px 14px 42px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  font-size: 13.6px;
  line-height: 1.62;
  color: var(--paper);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 19px;
  width: 9px;
  height: 9px;
  background: var(--gold);
}

@media (min-width: 880px) {
  .page-contact .ct-feedback {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

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

  .page-contact .ct-checklist li:last-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-address__title {
  font-size: clamp(18px, 2.2vw, 24px);
  margin-bottom: 14px;
  color: var(--paper);
}

.page-contact .ct-address {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .ct-address__cell {
  min-width: 0;
  padding: clamp(16px, 2.2vw, 24px) clamp(16px, 2.4vw, 26px);
  background: var(--ink-800);
}

.page-contact .ct-address__value {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .ct-address__value.data {
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.3vw, 16px);
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-contact .ct-address__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  word-break: break-word;
}

@media (min-width: 760px) {
  .page-contact .ct-address {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
}

/* ---------- 常见场景 ---------- */
.page-contact .ct-faq {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
  align-items: start;
}

.page-contact .ct-faq__lede {
  margin: 12px 0 0;
  font-size: 13.8px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .ct-faq__list {
  min-width: 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 16px 2px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(15px, 1.15vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

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

.page-contact .ct-faq__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

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

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

.page-contact .ct-faq__body {
  max-width: 64ch;
  padding: 0 2px 20px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-faq__body p {
  margin: 0;
}

@media (min-width: 900px) {
  .page-contact .ct-faq {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .ct-faq__head {
    position: sticky;
    top: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-hero__visual,
  .page-contact .ct-coop__visual {
    box-shadow: none;
  }
}
<<<END>>>