.page-contact {
  --pc-line: var(--rule);
  --pc-gap: clamp(20px, 4vw, 40px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-2);
}
.page-contact .breadcrumb a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .12s ease, border-color .12s ease;
}
.page-contact .breadcrumb a:hover {
  color: var(--turf-deep);
  border-bottom-color: var(--whistle);
}
.page-contact .breadcrumb__sep {
  color: var(--rule);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(24px, 4vw, 48px);
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .contact-hero .kicker {
  color: var(--turf-deep);
}
.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 18ch;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(38px, 7.2vw, 86px);
  line-height: .98;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-contact .contact-hero .lede {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .section-sub {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 来意卡 ---------- */
.page-contact .intent-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(20px, 3vw, 32px);
}
@media (min-width: 960px) {
  .page-contact .intent-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}
.page-contact .intent-col {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .intent-card {
  background: var(--chalk);
  border: 1px solid var(--pc-line);
  box-shadow: 2px 2px 0 var(--paper-2);
  transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
}
.page-contact .intent-card:hover {
  transform: translateY(-2px);
  border-color: var(--turf);
  box-shadow: 3px 3px 0 var(--paper-2);
}
.page-contact .intent-card__heading {
  margin: 0;
}
.page-contact .intent-card .fold__head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  background: var(--paper-2);
  border: 0;
  border-bottom: 1px solid var(--pc-line);
  color: var(--ink);
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  transition: background .16s ease, color .16s ease, border-color .16s ease;
}
.page-contact .intent-card .fold__head[aria-expanded="true"] {
  background: var(--turf);
  color: var(--chalk);
  border-bottom-color: var(--turf);
}
.page-contact .intent-card .fold__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--turf-deep);
}
.page-contact .intent-card .fold__head[aria-expanded="true"] .fold__index {
  color: var(--whistle);
}
.page-contact .intent-card .fold__title {
  flex: 1 1 auto;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.1;
  letter-spacing: -.005em;
}
.page-contact .intent-card .fold__sign {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--turf-deep);
}
.page-contact .intent-card .fold__head[aria-expanded="true"] .fold__sign {
  color: var(--whistle);
}
.page-contact .intent-card .fold__body {
  padding: 18px 18px 22px;
  background: var(--chalk);
}
.page-contact .intent-card .fold__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}
.page-contact .intent-card .fold__body p:last-child {
  margin-bottom: 0;
}
.page-contact .intent-card .fold__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-contact .intent-card .fold__body li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
.page-contact .intent-card .fold__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--turf);
}

/* ---------- 图片容器 ---------- */
.page-contact .intent-figure,
.page-contact .closing-figure {
  margin: 0;
  overflow: hidden;
}
.page-contact .intent-figure {
  border: 1px solid var(--pc-line);
  box-shadow: 2px 2px 0 var(--paper-2);
  background: var(--paper-2);
}
.page-contact .intent-figure img,
.page-contact .closing-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.page-contact .figure-note {
  margin: 0;
  padding: 10px 14px;
  background: var(--chalk);
  border-top: 1px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--ink-2);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-lines {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border-top: 1px solid var(--pc-line);
}
.page-contact .contact-line {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-line);
}
@media (min-width: 760px) {
  .page-contact .contact-line {
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: baseline;
    gap: 28px;
    padding: 22px 0;
  }
}
.page-contact .contact-line dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--turf-deep);
}
.page-contact .contact-line dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.6vw, 28px);
  font-style: italic;
  letter-spacing: .02em;
  line-height: 1.3;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-contact .contact-line--wide dd,
.page-contact .contact-line--text dd {
  font-style: normal;
  font-size: clamp(15px, 1.7vw, 19px);
  line-height: 1.6;
  letter-spacing: 0;
}
.page-contact .contact-note {
  margin: 22px 0 0;
  max-width: 66ch;
  padding-left: 14px;
  border-left: 3px solid var(--whistle);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

/* ---------- 反馈材料 ---------- */
.page-contact .req-grid {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}
@media (min-width: 760px) {
  .page-contact .req-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .req-item {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 20px 20px 22px;
  background: var(--chalk);
  transition: background .12s ease;
}
.page-contact .req-item:hover {
  background: var(--paper);
}
.page-contact .req-item__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--turf-deep);
}
.page-contact .req-item__name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.15;
  color: var(--ink);
}
.page-contact .req-item__desc {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 合作流程 ---------- */
.page-contact .steps {
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}
@media (min-width: 880px) {
  .page-contact .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
.page-contact .step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px 26px;
  background: var(--paper);
  transition: background .12s ease;
}
.page-contact .step:hover {
  background: var(--chalk);
}
.page-contact .step__idx {
  align-self: flex-start;
  padding: 4px 9px;
  background: var(--turf-dark);
  color: var(--whistle);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
}
.page-contact .step__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.1;
  color: var(--ink);
}
.page-contact .step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}
@media (min-width: 880px) {
  .page-contact .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -6px;
    z-index: 2;
    width: 11px;
    height: 11px;
    transform: translateY(-50%) rotate(45deg);
    background: var(--turf);
  }
}

/* ---------- 订阅 ---------- */
.page-contact .subscribe {
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(24px, 4vw, 44px);
  background: var(--turf-dark);
  border: 1px solid var(--turf-dark);
  color: var(--paper);
}
.page-contact .subscribe__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
@media (min-width: 820px) {
  .page-contact .subscribe__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 44px;
  }
}
.page-contact .subscribe h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.1;
  color: var(--chalk);
}
.page-contact .subscribe p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(245, 240, 230, .85);
}
.page-contact .subscribe p.subscribe__how {
  margin-top: 28px;
  padding-top: 22px;
  max-width: 72ch;
  border-top: 1px solid rgba(245, 240, 230, .22);
}

/* ---------- 收尾图 ---------- */
.page-contact .closing-figure {
  margin: clamp(40px, 6vw, 72px) 0 0;
  border: 1px solid var(--pc-line);
  background: var(--ink-2);
}

/* ---------- 站点信息 ---------- */
.page-contact .site-info {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  background: var(--chalk);
  border: 1px solid var(--pc-line);
  box-shadow: 2px 2px 0 var(--paper-2);
}
.page-contact .site-info__row {
  display: grid;
  gap: 4px;
  padding: 15px 20px;
  border-bottom: 1px dashed var(--pc-line);
}
.page-contact .site-info__row:last-child {
  border-bottom: 0;
}
@media (min-width: 720px) {
  .page-contact .site-info__row {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }
}
.page-contact .site-info__row > span:last-child {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 减动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .intent-card,
  .page-contact .step,
  .page-contact .req-item {
    transition: none;
  }
  .page-contact .intent-card:hover {
    transform: none;
  }
}