.page-contact {
  --contact-max: 940px;
  --contact-cut: 20px;
  padding-block: clamp(16px, 3vw, 28px) clamp(48px, 8vw, 88px);
}

.page-contact .contact-wrap {
  width: 100%;
  max-width: var(--contact-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 5vw, 32px);
}

/* 面包屑 */
.page-contact .breadcrumb {
  margin-bottom: clamp(14px, 2.6vw, 22px);
}

.page-contact .breadcrumb__link {
  color: var(--c-amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  border-bottom-color: var(--c-amber);
}

.page-contact .breadcrumb__current {
  color: var(--c-mist);
}

/* 首屏 */
.page-contact .contact-intro {
  position: relative;
  overflow: hidden;
  background: linear-gradient(158deg, var(--c-green-900) 0%, var(--c-green-800) 62%, var(--c-ink-900) 100%);
  color: var(--c-paper);
  border-left: 3px solid var(--c-amber);
  padding: clamp(26px, 5.5vw, 52px) clamp(20px, 4.5vw, 44px);
}

.page-contact .contact-intro::after {
  content: "";
  position: absolute;
  right: -96px;
  bottom: -118px;
  width: 268px;
  height: 268px;
  border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 32%, rgba(227, 169, 60, 0.26) 32% 34%, transparent 34% 58%, rgba(227, 169, 60, 0.16) 58% 60%, transparent 60%);
  pointer-events: none;
}

.page-contact .contact-intro > * {
  position: relative;
  z-index: 1;
}

.page-contact .display-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 10px 0 18px;
  max-width: 18ch;
}

.page-contact .lede {
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.78;
  max-width: 54ch;
  margin: 0 0 22px;
  color: rgba(244, 239, 228, 0.84);
}

.page-contact .contact-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-facts__item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  color: var(--c-amber-soft);
  border: 1px solid rgba(227, 169, 60, 0.42);
  background: rgba(227, 169, 60, 0.08);
}

/* 通用区块 */
.page-contact .contact-section {
  margin-top: clamp(16px, 2.8vw, 26px);
  padding: clamp(24px, 4.6vw, 46px) clamp(18px, 4vw, 42px);
}

.page-contact .is-dark {
  background: var(--c-green-900);
  color: var(--c-paper);
}

.page-contact .is-paper {
  background: var(--c-paper);
  color: var(--c-black);
}

.page-contact .is-ink {
  background: var(--c-ink-900);
  color: var(--c-paper);
}

.page-contact .is-green {
  background: var(--c-green-800);
  color: var(--c-paper);
}

.page-contact .section-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.8vw, 34px);
  line-height: 1.26;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  max-width: 24ch;
}

.page-contact .is-paper .section-heading {
  color: var(--c-green-900);
}

.page-contact .section-lede {
  font-size: clamp(14px, 2.4vw, 16px);
  line-height: 1.8;
  margin: 0 0 clamp(20px, 3.4vw, 30px);
  max-width: 60ch;
  opacity: 0.86;
}

.page-contact .is-paper .section-lede {
  opacity: 1;
  color: #2c3a35;
}

.page-contact .contact-note {
  margin: clamp(18px, 3vw, 26px) 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--c-mist);
  border-left: 2px solid var(--c-amber);
  padding-left: 14px;
  max-width: 62ch;
}

/* 三条路径 */
.page-contact .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .path-item {
  background: var(--c-green-800);
  border-left: 4px solid var(--c-green-500);
  padding: 20px 18px 18px;
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .path-item:hover,
.page-contact .path-item:focus-within {
  background: var(--c-ink-800);
  border-left-color: var(--c-amber);
}

.page-contact .path-item--primary {
  border-left-color: var(--c-coral);
  background: var(--c-ink-800);
}

.page-contact .path-item--primary:hover,
.page-contact .path-item--primary:focus-within {
  border-left-color: var(--c-coral);
  background: var(--c-ink-900);
}

.page-contact .path-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  margin: 0 0 8px;
}

.page-contact .path-item__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--c-paper);
}

.page-contact .path-item__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 239, 228, 0.8);
}

.page-contact .path-item__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(201, 207, 199, 0.3);
  color: var(--c-amber-soft);
}

/* 移动端随手查 */
.page-contact .step-list {
  list-style: none;
  margin: 0 0 clamp(22px, 3.6vw, 32px);
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .step-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .step-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  background: var(--c-green-900);
  color: var(--c-amber);
}

.page-contact .step-item__body h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 5px;
  color: var(--c-green-900);
}

.page-contact .step-item__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: #2c3a35;
}

.page-contact .type-list {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--c-line);
}

.page-contact .type-item {
  border-bottom: 1px solid var(--c-line);
  padding: 4px 0;
}

.page-contact .type-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-green-900);
  transition: color var(--dur) var(--ease);
}

.page-contact .type-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .type-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-coral);
  line-height: 1;
}

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

.page-contact .type-item summary:hover,
.page-contact .type-item summary:focus-visible {
  color: var(--c-coral);
}

.page-contact .type-item__hint {
  margin: 0 0 6px;
  padding-left: 2px;
  font-size: 14px;
  line-height: 1.74;
  color: #2c3a35;
}

.page-contact .type-item__eta {
  margin: 0;
  padding-left: 2px;
  padding-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-green-500);
}

/* 合作 */
.page-contact .stage-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .stage {
  border-top: 2px solid rgba(227, 169, 60, 0.42);
  padding-top: 12px;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .stage:hover,
.page-contact .stage:focus-within {
  border-top-color: var(--c-amber);
}

.page-contact .stage__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-amber);
}

.page-contact .stage__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  margin: 6px 0 6px;
  color: var(--c-paper);
}

.page-contact .stage__desc {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.74;
  color: rgba(244, 239, 228, 0.78);
}

.page-contact .stage details {
  border-top: 1px solid rgba(201, 207, 199, 0.24);
}

.page-contact .stage summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-amber-soft);
  transition: color var(--dur) var(--ease);
}

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

.page-contact .stage summary::after {
  content: "+";
  font-size: 14px;
  color: var(--c-amber);
}

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

.page-contact .stage summary:hover,
.page-contact .stage summary:focus-visible {
  color: var(--c-amber);
}

.page-contact .stage details p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.74;
  color: rgba(244, 239, 228, 0.82);
}

.page-contact .contact-partner .contact-note {
  color: var(--c-mist);
}

/* 流程 */
.page-contact .flow-layout {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-contact .flow-list::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 14px;
  bottom: 26px;
  width: 2px;
  background: linear-gradient(var(--c-green-500), rgba(47, 125, 106, 0.16));
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  padding-bottom: 20px;
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step__num {
  position: relative;
  z-index: 1;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--c-green-900);
  border: 1px solid var(--c-green-500);
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .flow-step__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin: 4px 0 5px;
  color: var(--c-amber-soft);
}

.page-contact .flow-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 239, 228, 0.8);
}

.page-contact .flow-media,
.page-contact .card-media {
  margin: 0;
}

.page-contact .flow-media img,
.page-contact .card-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .flow-media {
  border: 1px solid rgba(227, 169, 60, 0.32);
  padding: 6px;
}

.page-contact .flow-media .media-frame__caption {
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-mist);
  padding: 10px 4px 2px;
  margin: 0;
}

.page-contact .card-media {
  border: 1px solid var(--c-line);
  background: rgba(255, 255, 255, 0.5);
  padding: 6px;
}

.page-contact .card-media .media-frame__caption {
  font-size: 12px;
  line-height: 1.6;
  color: #4a5b55;
  padding: 10px 4px 2px;
  margin: 0;
}

/* 联系卡 */
.page-contact .contact-card {
  position: relative;
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle at center, rgba(14, 59, 51, 0.12) 0 2px, transparent 2px 15px),
    radial-gradient(circle, rgba(14, 59, 51, 0.05) 0 40%, transparent 40%);
  pointer-events: none;
}

.page-contact .contact-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .card-layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 32px);
}

.page-contact .contact-lines {
  display: grid;
  gap: 0;
}

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

.page-contact .contact-line:first-child {
  border-top: 2px solid var(--c-green-900);
}

.page-contact .contact-line__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-green-500);
}

.page-contact .contact-line__value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.2vw, 19px);
  letter-spacing: 0.02em;
  color: var(--c-green-900);
  word-break: break-word;
}

.page-contact .contact-line__value--text {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .contact-line__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: #4a5b55;
}

/* 常见问题 */
.page-contact .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .faq-item {
  border-left: 2px solid rgba(227, 169, 60, 0.45);
  padding: 10px 0 10px 14px;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .faq-item:hover,
.page-contact .faq-item:focus-within {
  border-left-color: var(--c-amber);
}

.page-contact .faq-item__link {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .faq-item__link:hover,
.page-contact .faq-item__link:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-contact .faq-item__text {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(244, 239, 228, 0.74);
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-contact .path-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .path-item {
    display: flex;
    flex-direction: column;
  }

  .page-contact .path-item__meta {
    margin-top: auto;
  }

  .page-contact .stage-track {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .stage-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .page-contact .flow-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .card-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-contact .contact-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }

  .page-contact .contact-line:nth-child(2) {
    border-top: 2px solid var(--c-green-900);
  }

  .page-contact .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .path-item,
  .page-contact .stage,
  .page-contact .faq-item,
  .page-contact .type-item summary,
  .page-contact .stage summary,
  .page-contact .faq-item__link,
  .page-contact .breadcrumb__link {
    transition: none;
  }
}