.page-contact {
  --pc-gap: clamp(20px, 3vw, 40px);
  --pc-sticky-top: calc(var(--header-h) + 20px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(8px, 1.5vw, 16px) 0 clamp(40px, 6vw, 76px);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 60ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .contact-hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px 20px;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__meta dt {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-hero__meta dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

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

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

/* ---------- 通用图片兜底 ---------- */
.page-contact .figure img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 合作方向 + 联系方式 ---------- */
.page-contact .directions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .dir-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .dir-item {
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .dir-item:hover {
  border-color: rgba(0, 240, 212, 0.35);
  transform: translateY(-2px);
}

.page-contact .dir-item[open] {
  border-color: rgba(0, 240, 212, 0.45);
  background: var(--panel-2);
}

.page-contact .dir-item__head {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-contact .dir-item__head::-webkit-details-marker {
  display: none;
}

.page-contact .dir-item__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .dir-item__code {
  font-size: 13px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-contact .dir-item__name {
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .dir-item__chev {
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-contact .dir-item[open] .dir-item__chev {
  transform: rotate(-135deg);
}

.page-contact .dir-item__body {
  padding: 0 18px 20px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .dir-item__body p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .dir-item__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .dir-item__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
}

.page-contact .dir-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* 联系方式卡 */
.page-contact .contact-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--cyan);
  background: linear-gradient(180deg, rgba(0, 240, 212, 0.06), rgba(0, 240, 212, 0) 46%), var(--panel);
  box-shadow: 0 0 0 1px rgba(0, 240, 212, 0.08), inset 0 1px 0 rgba(0, 240, 212, 0.18);
}

.page-contact .contact-card::before,
.page-contact .contact-card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
  opacity: 0.7;
}

.page-contact .contact-card::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .contact-card::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-contact .contact-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-card__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .contact-card__intro {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__block {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__key {
  margin: 0 0 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-card__value {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-contact .contact-card__value.mono {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__hint {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-contact .contact-card__block--addr {
  position: relative;
}

.page-contact .contact-card__block--addr::after {
  content: "";
  position: absolute;
  inset: 18px 0 0;
  background-image: linear-gradient(to right, rgba(27, 34, 43, 0.85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(27, 34, 43, 0.85) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-card__resp {
  margin-top: 22px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: var(--panel-2);
}

.page-contact .contact-card__resp-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-card__resp p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 1px;
  list-style: none;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .flow-step {
  position: relative;
  padding: clamp(20px, 2.4vw, 26px) clamp(18px, 2.2vw, 24px) clamp(24px, 3vw, 30px);
  background: var(--panel-2);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .flow-step:hover {
  background: linear-gradient(180deg, rgba(0, 240, 212, 0.07), rgba(0, 240, 212, 0) 72%), var(--panel);
  box-shadow: inset 0 2px 0 0 var(--cyan);
}

.page-contact .flow-step__num {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .flow-step__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 21px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}

.page-contact .flow-step:hover .flow-step__title {
  color: var(--cyan);
}

.page-contact .flow-step__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-contact .flow-step:hover .flow-step__desc {
  color: var(--text);
}

.page-contact .flow__figure {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
}

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

/* ---------- 常见问题 ---------- */
.page-contact .faq__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .faq-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .faq-item {
  background: var(--panel);
  transition: background var(--dur) var(--ease);
}

.page-contact .faq-item:hover {
  background: var(--panel-2);
}

.page-contact .faq-item__q {
  position: relative;
  padding: 18px 46px 18px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-contact .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-contact .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-contact .faq-item__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .faq-item__a {
  padding: 0 18px 20px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .faq-item__a p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 940px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 60px);
  }
}

@media (min-width: 1040px) {
  .page-contact .directions__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .directions__side {
    position: sticky;
    top: var(--pc-sticky-top);
    align-self: start;
  }
}

@media (min-width: 860px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .faq__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-contact .faq__grid .section-head {
    position: sticky;
    top: var(--pc-sticky-top);
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 560px) {
  .page-contact .dir-item__head {
    grid-template-columns: auto 1fr auto;
    row-gap: 8px;
  }

  .page-contact .dir-item__name {
    font-size: 17px;
  }

  .page-contact .dir-item__head .badge {
    grid-column: 2 / 3;
    justify-self: start;
  }

  .page-contact .contact-hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir-item,
  .page-contact .flow-step,
  .page-contact .dir-item__chev,
  .page-contact .flow-step__title,
  .page-contact .flow-step__desc,
  .page-contact .faq-item {
    transition: none;
  }

  .page-contact .dir-item:hover {
    transform: none;
  }
}