.page-contact {
  --rail-w: 320px;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--sans);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.14;
}

.page-contact .contact-crumb {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  background: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  background: linear-gradient(155deg, var(--green) 0%, var(--green) 38%, var(--blue) 100%);
  color: var(--mist);
  padding: clamp(30px, 6vw, 76px) 0 clamp(34px, 7vw, 88px);
  border-bottom: 1px solid var(--green);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
}

.page-contact .contact-hero .eyebrow {
  color: var(--on-dark-dim);
}

.page-contact .contact-hero h1 {
  margin-top: 16px;
  max-width: 15em;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.08;
  color: var(--mist);
}

.page-contact .contact-hero__text {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-contact .contact-hero__meta {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--on-dark-dim);
}

.page-contact .contact-hero__meta::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  background: var(--signal);
  vertical-align: 1px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero .btn--ghost {
  background: transparent;
  border-color: var(--hair);
  color: var(--mist);
}

.page-contact .contact-hero .btn--ghost:hover,
.page-contact .contact-hero .btn--ghost:focus-visible {
  border-color: var(--mist);
}

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

.page-contact .contact-hero__figure .media {
  border: 1px solid var(--hair);
  background: var(--blue);
  overflow: hidden;
}

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

.page-contact .contact-hero__figure .figure__cap {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--on-dark-dim);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body {
  padding: clamp(32px, 5vw, 68px) 0 clamp(48px, 7vw, 100px);
}

.page-contact .contact-body__grid {
  display: grid;
  gap: 34px;
}

/* 左侧粘性联系栏 */
.page-contact .contact-rail {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-rail__title {
  margin-top: 14px;
  font-size: clamp(19px, 3.6vw, 23px);
}

.page-contact .contact-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .contact-list__item {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-list__label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

.page-contact .contact-list__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-top: 7px;
}

.page-contact .contact-list__value {
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  color: var(--ink);
}

.page-contact .contact-list__value--addr {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .contact-list__note {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .contact-copy {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--card);
  color: var(--gray);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .contact-copy:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-contact [data-copied="true"] {
  border-color: var(--signal);
  color: var(--signal);
}

.page-contact .contact-rail__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .contact-rail__note a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .contact-rail__note a:hover {
  color: var(--orange-deep);
}

/* 右侧内容流 */
.page-contact .contact-stream {
  min-width: 0;
}

.page-contact .contact-block + .contact-block {
  margin-top: clamp(36px, 5vw, 58px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-block__head {
  display: grid;
  gap: 12px;
}

.page-contact .contact-block__title {
  font-size: clamp(22px, 3.8vw, 30px);
  max-width: 20em;
}

.page-contact .contact-block__note {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

/* 三类合作 */
.page-contact .coop-grid {
  display: grid;
  gap: 0;
  margin-top: 26px;
}

.page-contact .coop-card {
  padding: 22px 0 26px;
  border-top: 1px solid var(--line);
}

.page-contact .coop-card:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-card__index {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .coop-card__title {
  margin-top: 10px;
  font-size: 20px;
}

.page-contact .coop-card__scope {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .coop-card__meta {
  margin: 18px 0 0;
}

.page-contact .coop-card__meta-row {
  padding-top: 10px;
  margin-top: 10px;
  border-top: 1px solid var(--line);
}

.page-contact .coop-card__meta-row dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-contact .coop-card__meta-row dd {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

/* 提交清单 */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .filter-bar__count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-contact .submit-grid {
  display: grid;
  gap: 26px;
  margin-top: 20px;
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .check-list__item {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .check-list__box {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--ink);
  background: var(--card);
}

.page-contact .check-list__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 4px;
  width: 8px;
  height: 4px;
  border-left: 1.5px solid var(--signal);
  border-bottom: 1.5px solid var(--signal);
  transform: rotate(-45deg);
}

.page-contact .check-list__body {
  min-width: 0;
}

.page-contact .check-list__title {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.page-contact .check-list__title .tag {
  margin-left: 6px;
  vertical-align: 1px;
}

.page-contact .check-list__text {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .submit-figure {
  margin: 0;
}

.page-contact .submit-figure .media {
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
}

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

.page-contact .submit-figure .figure__cap {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--gray);
}

.page-contact .contact-links {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--gray);
}

.page-contact .contact-links a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .contact-links a:hover {
  color: var(--orange-deep);
}

/* 高峰响应 */
.page-contact .peak-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .peak-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .peak-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .peak-list__time {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

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

/* 折叠问答 */
.page-contact .fold-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

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

.page-contact .fold__panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
}

/* 运营主体收口 */
.page-contact .contact-entity {
  margin-top: clamp(36px, 5vw, 60px);
  padding: clamp(26px, 4vw, 40px);
  background: var(--green);
  border-left: 3px solid var(--orange);
  color: var(--mist);
}

.page-contact .contact-entity .eyebrow {
  color: var(--on-dark-dim);
}

.page-contact .contact-entity__title {
  margin-top: 14px;
  font-size: clamp(21px, 3.4vw, 27px);
  color: var(--mist);
}

.page-contact .contact-entity__text {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark);
}

.page-contact .entity-facts {
  margin: 22px 0 0;
}

.page-contact .entity-facts__row {
  display: grid;
  gap: 2px;
  padding: 11px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .entity-facts__row:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-contact .entity-facts dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--on-dark-dim);
}

.page-contact .entity-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-contact .contact-entity .btn--accent {
  margin-top: 24px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .entity-facts__row {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .peak-list__item {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .contact-block__head {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    column-gap: 36px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-contact .contact-hero__figure {
    margin-top: 54px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 34px);
  }

  .page-contact .coop-card {
    padding-bottom: 10px;
  }

  .page-contact .coop-card:last-child {
    border-bottom: 1px solid var(--line);
  }

  .page-contact .submit-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    column-gap: 36px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-body__grid {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .contact-rail {
    padding: 0 clamp(24px, 3vw, 40px) 0 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-contact .contact-rail__inner {
    position: sticky;
    top: 84px;
  }
}