.page-contact {
  background: var(--ink-950);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(18px, 4vw, 34px) 0;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 5vw, 46px);
  margin-top: clamp(18px, 3vw, 32px);
  align-items: start;
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 30em;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__meta {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .contact-hero__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lime);
  flex: none;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(40px, 8vw, 86px);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line);
  background: var(--ink-900);
  box-shadow: var(--shadow);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--lime);
  background: var(--ink-800);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-contact .channel-card__value {
  display: block;
  color: var(--white);
  text-decoration: none;
  line-height: 1.2;
  overflow-wrap: anywhere;
  transition: color 160ms var(--ease);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  color: var(--lime);
}

.page-contact .channel-card__value--mail {
  font-family: var(--font-score);
  font-size: clamp(1.4rem, 5.4vw, 2.5rem);
  letter-spacing: 0.01em;
}

.page-contact .channel-card__value--num {
  font-family: var(--font-score);
  font-size: clamp(2.3rem, 9vw, 3.6rem);
  letter-spacing: 0.02em;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-head);
  font-size: clamp(1rem, 3vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .channel-card__note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 问题类型分流 ---------- */
.page-contact .contact-topics {
  padding-block: clamp(40px, 8vw, 86px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-topics__steps {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .step {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  background: var(--ink-900);
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .step[data-open="true"] {
  border-left-color: var(--whistle);
  background: var(--ink-800);
}

.page-contact .step[data-open="false"] .step__body {
  display: none;
}

.page-contact .step__head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: var(--white);
  font-family: var(--font-head);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color 160ms var(--ease);
}

.page-contact .step__head:hover,
.page-contact .step__head:focus-visible {
  color: var(--lime);
}

.page-contact .step__num {
  font-family: var(--font-score);
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--lime);
  flex: none;
}

.page-contact .step__body {
  padding: 0 18px 18px 18px;
}

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

.page-contact .step__body li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .step__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 2px;
  background: var(--lime-deep);
}

.page-contact .contact-topics__foot {
  margin: 24px 0 0;
  max-width: 40em;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .contact-coop {
  padding-block: clamp(40px, 8vw, 86px);
  border-top: 1px solid var(--line);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .coop-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .coop-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .coop-body {
  min-width: 0;
}

.page-contact .coop-title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.22;
}

.page-contact .coop-lede {
  margin: 14px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .coop-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-contact .coop-topic {
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--whistle);
  background: var(--ink-900);
}

.page-contact .coop-topic__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--whistle);
}

.page-contact .coop-topic__value {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 700;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .coop-note {
  margin: 16px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .coop-cta {
  margin-top: 22px;
  display: inline-flex;
}

/* ---------- 运营与备案 ---------- */
.page-contact .contact-ops {
  padding-block: clamp(40px, 8vw, 86px) clamp(48px, 9vw, 96px);
  border-top: 1px solid var(--line);
}

.page-contact .ops-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .ops-body {
  min-width: 0;
}

.page-contact .ops-title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.24;
}

.page-contact .ops-text {
  margin: 14px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ops-record {
  min-width: 0;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-contact .ops-record__label {
  margin: 0;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .ops-record__name {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ops-record__icp {
  margin: 8px 0 0;
  font-family: var(--font-score);
  font-size: clamp(1.1rem, 3.2vw, 1.55rem);
  letter-spacing: 0.04em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .channel-card--mail {
    grid-column: 1 / -1;
  }

  .page-contact .ops-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

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

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .step__body {
    padding-left: 56px;
  }
}
<<<END>>>