.page-contact {
  --pc-line: rgba(243, 239, 228, 0.14);
  --pc-muted: rgba(243, 239, 228, 0.74);
  --pc-amber-soft: rgba(255, 179, 92, 0.13);
  --pc-lime-soft: rgba(201, 255, 79, 0.12);
  background: var(--ink);
  color: var(--rice);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  margin: 18px 0 6px;
}

/* 标签 */
.page-contact .tag {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  padding: 3px 8px;
  border: 1px solid rgba(243, 239, 228, 0.28);
  color: var(--pc-muted);
  background: transparent;
}

.page-contact .tag--amber {
  border-color: var(--amber);
  color: var(--amber);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3vw, 34px) 0 clamp(40px, 6vw, 76px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(30, 70, 59, 0.62) 0%, rgba(11, 36, 30, 0) 62%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(34px, 6.2vw, 62px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  margin: 14px 0 18px;
  color: var(--rice);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.8;
  color: var(--pc-muted);
}

.page-contact .contact-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 0;
  font-size: 14px;
  color: var(--rock);
}

.page-contact .contact-hero__facts .tag {
  margin-right: 6px;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-hero__media {
  position: relative;
  border: 1px solid var(--pc-line);
  background: var(--pitch);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 54px;
  height: 54px;
  background: var(--ink);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

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

/* 分诊 */
.page-contact .triage__head {
  max-width: 62ch;
}

.page-contact .triage__head h2,
.page-contact .flow__head h2,
.page-contact .prep__body h2,
.page-contact .who h2,
.page-contact .ask__copy h2,
.page-contact .desk__info h2 {
  font-family: var(--ff-display);
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.24;
  margin: 12px 0 14px;
  color: var(--rice);
}

.page-contact .triage__intro,
.page-contact .flow__intro,
.page-contact .prep__intro,
.page-contact .ask__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-muted);
  max-width: 60ch;
}

.page-contact .triage__grid {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.page-contact .triage__item {
  position: relative;
  padding: 24px 20px 20px;
  border-left: 3px solid var(--rock);
  transition: transform 0.24s ease, border-color 0.24s ease;
}

.page-contact .triage__item--amber {
  border-left-color: var(--amber);
}

.page-contact .triage__item--clay {
  border-left-color: var(--clay);
}

.page-contact .triage__item--lime {
  border-left-color: var(--lime);
}

.page-contact .triage__item--rock {
  border-left-color: var(--rock);
}

.page-contact .triage__num {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-contact .triage__item h3 {
  font-family: var(--ff-data);
  font-size: clamp(21px, 2vw, 26px);
  letter-spacing: 0.03em;
  margin: 8px 0 12px;
  color: var(--rice);
}

.page-contact .triage__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .triage__tagline {
  margin-top: 18px;
}

/* 客服信息卡 */
.page-contact .desk__card {
  padding: clamp(22px, 3vw, 40px);
}

.page-contact .desk__grid {
  display: grid;
  gap: 28px;
}

.page-contact .desk__list {
  margin: 22px 0 0;
  display: grid;
}

.page-contact .desk__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .desk__row dt {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rock);
}

.page-contact .desk__row dd {
  margin: 0;
  font-family: var(--ff-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--rice);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .desk__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .desk__note {
  margin: 0;
  padding: 16px 18px;
  border-left: 2px solid var(--amber);
  background: var(--pc-amber-soft);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 239, 228, 0.88);
}

.page-contact .desk__aside-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-muted);
}

.page-contact .desk__aside .btn {
  justify-self: start;
}

/* 准备清单 */
.page-contact .prep__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-contact .checklist {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .checklist__item {
  position: relative;
}

.page-contact .checklist__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .checklist__label {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  cursor: pointer;
  background: rgba(30, 70, 59, 0.72);
  border: 1px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: background 0.22s ease, border-color 0.22s ease;
}

.page-contact .checklist__mark {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid rgba(243, 239, 228, 0.42);
  font-family: var(--ff-mono);
  font-size: 13px;
  line-height: 1;
  color: transparent;
}

.page-contact .checklist__text {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .checklist__text strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--rice);
}

.page-contact .checklist__text span {
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-muted);
}

.page-contact .checklist__input:checked + .checklist__label {
  background: rgba(36, 74, 63, 0.95);
  border-color: var(--amber);
}

.page-contact .checklist__input:checked + .checklist__label .checklist__mark {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--pitch);
}

.page-contact .checklist__input:checked + .checklist__label .checklist__mark::after {
  content: "✓";
}

.page-contact .checklist__input:focus-visible + .checklist__label {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .prep__media {
  border: 1px solid var(--pc-line);
  background: var(--pitch);
}

/* 流程 */
.page-contact .flow__head {
  max-width: 62ch;
}

.page-contact .flow__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
}

.page-contact .flow__step {
  position: relative;
  padding: 22px 0 22px 28px;
  border-left: 1px solid var(--pc-line);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 28px;
  width: 9px;
  height: 9px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-contact .flow__num {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .flow__step h3 {
  font-family: var(--ff-data);
  font-size: 20px;
  letter-spacing: 0.03em;
  margin: 6px 0 8px;
  color: var(--rice);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-muted);
}

/* 适用对象 */
.page-contact .who__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
}

.page-contact .who__row {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .who__k {
  font-family: var(--ff-data);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-contact .who__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .who__link {
  justify-self: start;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 79, 0.36);
  padding-bottom: 2px;
}

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

/* 常见问题 */
.page-contact .ask__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-contact .ask__copy .btn {
  margin-top: 22px;
}

.page-contact .ask__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ask__links a {
  display: block;
  padding: 16px 18px;
  background: rgba(30, 70, 59, 0.55);
  border-left: 2px solid var(--clay);
  color: var(--rice);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  transition: background 0.22s ease, border-color 0.22s ease;
}

.page-contact .ask__links a:hover,
.page-contact .ask__links a:focus-visible {
  background: rgba(30, 70, 59, 0.92);
  border-left-color: var(--lime);
}

/* 收尾 */
.page-contact .contact-signoff {
  margin-top: clamp(20px, 4vw, 40px);
  padding-top: 24px;
  border-top: 1px solid var(--pc-line);
}

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

.page-contact .contact-signoff__text a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 255, 79, 0.36);
}

/* 中等屏 */
@media (min-width: 560px) {
  .page-contact .desk__row {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .triage__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .desk__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-contact .prep__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .flow__step {
    padding: 26px 0 0;
    border-left: 0;
    border-top: 1px solid var(--pc-line);
  }

  .page-contact .flow__step::before {
    left: 0;
    top: -5px;
  }

  .page-contact .who__row {
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-contact .ask__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
  }
}

@media (min-width: 1180px) {
  .page-contact .triage__item {
    padding: 28px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .triage__item,
  .page-contact .checklist__label,
  .page-contact .ask__links a {
    transition: none;
  }
}