.page-contact {
  padding-block: clamp(14px, 2.2vw, 30px) clamp(56px, 8vw, 110px);
}

/* ---------- 面包屑与首屏 ---------- */

.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-contact .contact-hero {
  max-width: 940px;
  padding-block: clamp(8px, 1.6vw, 20px) clamp(34px, 5vw, 68px);
}

.page-contact .contact-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--orange);
  text-transform: uppercase;
}

.page-contact .contact-hero__kicker::before {
  content: "";
  flex: 0 0 auto;
  width: 26px;
  height: 2px;
  background: var(--orange);
}

.page-contact .contact-hero__title {
  margin: 0 0 clamp(18px, 2.2vw, 26px);
  font-family: var(--font-head);
  font-size: clamp(27px, 6.2vw, 60px);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--bright);
}

.page-contact .contact-hero__lede {
  margin: 0 0 clamp(22px, 2.8vw, 32px);
  max-width: 64ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 两栏骨架：窄屏信息牌置顶 ---------- */

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 46px);
  align-items: start;
}

.page-contact .contact-rail {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(46px, 6.6vw, 92px);
  min-width: 0;
}

.page-contact .contact-block {
  scroll-margin-top: 96px;
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(310px, .88fr);
    grid-template-areas: "main rail";
    gap: clamp(34px, 3.4vw, 56px);
  }

  .page-contact .contact-main { grid-area: main; }
  .page-contact .contact-rail { grid-area: rail; }
}

/* ---------- 章节标题组 ---------- */

.page-contact .chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-contact .chapter__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.85vw, 34px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.012em;
  color: var(--bright);
}

.page-contact .chapter__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 右栏：暖纸信息牌 ---------- */

.page-contact .rail-paper {
  position: relative;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  color: var(--paper-ink);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%
  );
}

.page-contact .rail-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(22, 35, 61, .22);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(22, 35, 61, .78);
}

.page-contact .rail-label::before {
  content: "";
  flex: 0 0 auto;
  width: 16px;
  height: 2px;
  background: var(--orange);
}

.page-contact .rail-contact {
  display: grid;
  gap: 18px;
  margin: 0 0 18px;
}

.page-contact .rail-contact__item {
  min-width: 0;
}

.page-contact .rail-contact__key {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(22, 35, 61, .62);
}

.page-contact .rail-contact__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.015em;
  color: var(--paper-ink);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .rail-addr {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 800;
  line-height: 1.6;
  color: var(--paper-ink);
}

.page-contact .rail-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(22, 35, 61, .74);
}

.page-contact .rail-figure {
  margin: 0 0 18px;
}

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

/* ---------- 01 三类事项 ---------- */

.page-contact .kind-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 34px);
  margin-top: clamp(22px, 2.8vw, 34px);
}

.page-contact .kind-list {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .kind-card {
  position: relative;
  padding: clamp(18px, 2vw, 26px);
  background: linear-gradient(158deg, rgba(16, 31, 60, .95), rgba(10, 20, 40, .72));
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  min-width: 0;
}

.page-contact .kind-card__title {
  margin: 12px 0 8px;
  font-family: var(--font-head);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.008em;
  color: var(--bright);
}

.page-contact .kind-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .kind-card__specs {
  margin: 0;
}

.page-contact .kind-card__specs .data-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.page-contact .kind-card__specs .data-row__key {
  flex: 0 0 62px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .kind-card__specs .data-row__val {
  flex: 1 1 auto;
  margin: 0;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--bright);
}

.page-contact .kind-figure {
  margin: 0;
  align-self: start;
}

.page-contact .kind-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  filter: saturate(.9) contrast(1.04);
}

.page-contact .kind-figure__cap {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 1120px) {
  .page-contact .kind-layout {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
  }
}

/* ---------- 02 四步流程 ---------- */

.page-contact .step-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .step {
  position: relative;
  padding: 26px 0 24px;
  border-top: 2px solid var(--line);
  min-width: 0;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 5px rgba(180, 255, 61, .1);
}

.page-contact .step__index {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-contact .step__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--bright);
}

.page-contact .step__text {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
  color: var(--mist);
}

@media (min-width: 880px) {
  .page-contact .step-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 26px;
  }

  .page-contact .step {
    padding: 30px 0 8px;
  }
}

.page-contact .plan-note {
  margin: clamp(20px, 2.4vw, 28px) 0 0;
  padding: 15px 18px;
  border-left: 2px solid var(--lime);
  background: rgba(180, 255, 61, .055);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 03 对接团队 ---------- */

.page-contact .desk-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(22px, 2.8vw, 34px);
}

.page-contact .desk-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 20px;
}

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

.page-contact .stat__label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-contact .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-contact .stat__unit {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist);
}

.page-contact .desk-copy p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .desk-copy p:last-child {
  margin-bottom: 0;
}

@media (min-width: 860px) {
  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    align-items: start;
  }
}

/* ---------- 04 常见场景 ---------- */

.page-contact .scene-list {
  display: grid;
  margin-top: clamp(20px, 2.6vw, 32px);
}

.page-contact .scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  min-width: 0;
}

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

.page-contact .scene__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--bright);
}

.page-contact .scene__title::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  vertical-align: middle;
}

.page-contact .scene__text {
  margin: 0;
  font-size: 14.2px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 780px) {
  .page-contact .scene {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 520px) {
  .page-contact .contact-hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }

  .page-contact .rail-paper {
    clip-path: polygon(
      0 0,
      100% 0,
      100% calc(100% - 14px),
      calc(100% - 14px) 100%,
      0 100%
    );
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .step::before {
    box-shadow: none;
  }
}