.page-contact {
  --pc-grid: rgba(79, 95, 97, 0.13);
  --pc-line: rgba(79, 95, 97, 0.24);
  --pc-glass: rgba(250, 245, 236, 0.72);
  display: block;
}

.page-contact .pc-crumbs {
  padding-block: 18px 0;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: 30px;
  padding-block: clamp(22px, 5vw, 52px) clamp(30px, 6vw, 64px);
  background-image:
    linear-gradient(to right, var(--pc-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--slate);
  max-width: 20ch;
}

.page-contact .pc-hero__intro .ky-lead {
  margin-top: 18px;
  color: var(--stone);
  max-width: 36rem;
}

.page-contact .pc-dial {
  margin-top: 26px;
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--paper);
  border-left: 5px solid var(--wine);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-contact .pc-dial__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--wine);
}

.page-contact .pc-dial__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.65rem, 7.2vw, 2.9rem);
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--slate);
  word-break: break-all;
}

.page-contact .pc-dial__hint {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .pc-hero__media {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--sand-light);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

/* ---------- 通用章节 ---------- */
.page-contact .pc-section {
  padding-block: clamp(40px, 7vw, 76px);
}

.page-contact .pc-section .ky-eyebrow {
  color: var(--stone);
}

.page-contact .pc-section .ky-h2 {
  margin-top: 12px;
  color: var(--slate);
  max-width: 24ch;
}

.page-contact .pc-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 联络坐标板 ---------- */
.page-contact .pc-section--board {
  background: var(--sand-light);
  border-block: 1px solid var(--pc-line);
}

.page-contact .pc-board-title {
  margin-bottom: 26px;
}

.page-contact .pc-board {
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-board__lead {
  background: var(--slate);
  color: var(--paper);
  padding: clamp(22px, 4vw, 34px);
}

.page-contact .pc-board__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--wine-soft);
}

.page-contact .pc-board__phone {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 6vw, 2.4rem);
  letter-spacing: 0.02em;
  color: var(--sand-light);
  word-break: break-all;
}

.page-contact .pc-board__meta {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(250, 245, 236, 0.82);
  max-width: 34rem;
}

.page-contact .pc-board__list {
  margin: 0;
  background: var(--paper);
  display: grid;
}

.page-contact .pc-board__row {
  display: grid;
  gap: 4px;
  padding: 16px clamp(18px, 4vw, 30px);
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-board__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-board__row dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--wine);
  text-transform: uppercase;
}

.page-contact .pc-board__row dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 咨询准备 ---------- */
.page-contact .pc-section--prep {
  background: var(--paper);
}

.page-contact .pc-prep {
  display: grid;
  gap: 32px;
}

.page-contact .pc-prep__points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-prep__points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--stone);
}

.page-contact .pc-prep__points .pc-mono {
  color: var(--clay);
  font-weight: 700;
  font-size: 0.8rem;
}

.page-contact .pc-prep__media {
  margin: 26px 0 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: var(--sand);
  overflow: hidden;
}

.page-contact .pc-prep__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 5 / 3;
}

.page-contact .pc-sheet {
  background: var(--sand-light);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: clamp(20px, 4vw, 32px);
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .pc-sheet__head {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pc-line);
}

.page-contact .pc-sheet__group {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.page-contact .pc-sheet__group legend {
  padding: 0;
  margin-bottom: 10px;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--slate);
}

.page-contact .pc-sheet__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pc-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.page-contact .pc-chip input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-contact .pc-chip span {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.85rem;
  line-height: 1.2;
  color: var(--stone);
  background: var(--paper);
  border: 1px solid var(--pc-line);
  border-radius: 999px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .pc-chip input:checked + span {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--paper);
}

.page-contact .pc-chip input:focus-visible + span {
  outline: 2px solid var(--clay);
  outline-offset: 2px;
}

.page-contact .pc-sheet__foot {
  border-top: 1px dashed var(--pc-line);
  padding-top: 18px;
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-contact .pc-sheet__foot p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 换设备导出 ---------- */
.page-contact .pc-section--export {
  background: var(--sand);
  border-block: 1px solid var(--pc-line);
}

.page-contact .pc-export__head .ky-lead {
  margin-top: 14px;
  color: var(--slate);
  max-width: 40rem;
}

.page-contact .pc-export__steps {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: pcstep;
}

.page-contact .pc-export__steps li {
  background: var(--paper);
  border: 1px solid var(--pc-line);
  border-left: 4px solid var(--clay);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: grid;
  gap: 8px;
}

.page-contact .pc-export__idx {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-contact .pc-export__steps .ky-h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--slate);
}

.page-contact .pc-export__steps p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .pc-export__actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 企业协作宽条 ---------- */
.page-contact .pc-section--biz {
  padding-block: clamp(36px, 6vw, 64px);
}

.page-contact .pc-biz {
  display: grid;
  gap: 26px;
  padding: clamp(24px, 4.5vw, 44px);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, var(--wine) 0%, #5d1a33 62%, var(--slate) 100%);
  color: var(--paper);
}

.page-contact .pc-biz__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sand);
}

.page-contact .pc-biz .ky-h2 {
  margin-top: 12px;
  color: var(--paper);
  max-width: 18ch;
}

.page-contact .pc-biz__main p:not(.pc-biz__eyebrow) {
  margin: 14px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(250, 245, 236, 0.86);
  max-width: 42rem;
}

.page-contact .pc-biz__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .pc-biz__facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-biz__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(250, 245, 236, 0.22);
}

.page-contact .pc-biz__facts dt {
  font-size: 0.82rem;
  color: rgba(250, 245, 236, 0.72);
}

.page-contact .pc-biz__facts dd {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--sand-light);
  text-align: right;
}

.page-contact .pc-biz .ky-btn--wine {
  background: var(--sand-light);
  border-color: var(--sand-light);
  color: var(--wine);
}

/* ---------- 邮件与工单 ---------- */
.page-contact .pc-section--mail {
  background: var(--paper);
  border-top: 1px solid var(--pc-line);
}

.page-contact .pc-mail {
  display: grid;
  gap: 32px;
}

.page-contact .pc-mail__col .ky-lead {
  margin-top: 14px;
  color: var(--stone);
  max-width: 32rem;
}

.page-contact .pc-mail .ky-note {
  margin-top: 20px;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .pc-faqs {
  display: grid;
  gap: 10px;
}

.page-contact .pc-faq {
  background: var(--sand-light);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: 14px 18px;
}

.page-contact .pc-faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--slate);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

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

.page-contact .pc-faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--wine);
  font-size: 1rem;
}

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

.page-contact .pc-faq p {
  margin: 12px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .pc-mail__links {
  margin: 20px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.85rem;
}

.page-contact .pc-mail__links a {
  color: var(--wine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-board__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-board__row:nth-last-child(2):nth-child(odd) {
    border-bottom: 1px solid var(--pc-line);
  }

  .page-contact .pc-export__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-biz__facts {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 68px);
    align-items: start;
  }

  .page-contact .pc-hero__media img {
    aspect-ratio: 4 / 5;
  }

  .page-contact .pc-board {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.6fr);
  }

  .page-contact .pc-prep {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(30px, 5vw, 60px);
    align-items: start;
  }

  .page-contact .pc-biz {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-contact .pc-mail {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-chip span {
    transition: none;
  }
}
</