.page-contact {
  --pc-hair: rgba(175, 194, 198, .18);
  --pc-hair-strong: rgba(175, 194, 198, .34);
  --pc-gold-hair: rgba(201, 162, 39, .42);
  background: var(--ink);
  color: var(--paper);
}

.page-contact > section {
  padding: clamp(46px, 6.2vw, 90px) 0;
}

.page-contact > section + section {
  border-top: 1px solid var(--pc-hair);
}

.page-contact h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 72px);
  line-height: 1.04;
  letter-spacing: -.025em;
  max-width: 15em;
}

.page-contact h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 42px);
  line-height: 1.14;
  letter-spacing: -.01em;
  max-width: 20em;
}

.page-contact p {
  color: var(--cool-soft);
  line-height: 1.8;
}

.page-contact .section-index {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(26px, 4vw, 46px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  border-bottom: 1px solid var(--pc-hair);
  background-image:
    linear-gradient(rgba(175, 194, 198, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(175, 194, 198, .045) 1px, transparent 1px);
  background-size: 100% 72px, 72px 100%;
}

.page-contact .contact-lede {
  margin: 20px 0 0;
  max-width: 46em;
  font-size: clamp(15px, 1.7vw, 17px);
  color: var(--cool-soft);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.8vw, 36px);
  margin-top: clamp(32px, 4.6vw, 60px);
}

.page-contact .route-map {
  position: relative;
  background: var(--char);
  border: 1px solid var(--pc-hair-strong);
  padding: clamp(16px, 2.2vw, 28px);
}

.page-contact .route-map::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 39, 0) 72%);
}

.page-contact .route-head {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .route-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--pc-hair);
}

.page-contact .route-row:first-child {
  padding-top: 0;
}

.page-contact .route-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .route-type {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .route-idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .route-channel,
.page-contact .route-sla {
  padding-left: 26px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cool-soft);
}

.page-contact .route-sla {
  color: var(--cool);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--pc-gold-hair);
  box-shadow: 0 30px 60px -42px #000;
}

.page-contact .card-figure {
  margin: 0;
  overflow: hidden;
  background: var(--char);
  border-bottom: 1px solid var(--pc-hair-strong);
}

.page-contact .card-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: grayscale(.12) contrast(1.04);
}

.page-contact .card-body {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-contact .card-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
}

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

.page-contact .card-list li {
  padding-top: 14px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .card-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .card-label {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .card-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .card-value--text {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--cool-soft);
  word-break: normal;
}

.page-contact .card-note {
  margin: 18px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 回应节奏 ---------- */
.page-contact .sla-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-contact .sla-lede {
  margin: 0 0 26px;
  max-width: 40em;
  font-size: 15px;
}

.page-contact .sla-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .sla-item {
  display: grid;
  gap: 4px;
  padding-left: 16px;
  border-left: 1px solid var(--pc-gold-hair);
}

.page-contact .sla-item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .sla-item dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-contact .sla-figure {
  margin: 0;
}

.page-contact .sla-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  padding: 6px;
  background: var(--char);
  border: 1px solid var(--pc-hair-strong);
}

.page-contact .sla-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 提问准备 ---------- */
.page-contact .prep-head {
  max-width: 44em;
  margin-bottom: clamp(24px, 3vw, 38px);
}

.page-contact .prep-head p {
  margin: 0;
  font-size: 15px;
  color: var(--cool);
}

.page-contact .prep-list {
  display: grid;
  gap: 10px;
  max-width: 920px;
}

.page-contact .prep-item {
  background: var(--char);
  border: 1px solid var(--pc-hair);
  transition: border-color .25s var(--ease);
}

.page-contact .prep-item[open] {
  border-color: var(--pc-hair-strong);
}

.page-contact .prep-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px clamp(16px, 2vw, 22px);
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

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

.page-contact .prep-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

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

.page-contact .prep-item[open] summary {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .prep-item summary:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: -2px;
}

.page-contact .prep-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .prep-item p {
  margin: 0;
  padding: 14px clamp(16px, 2vw, 22px) 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cool-soft);
}

/* ---------- 自主查阅分流 ---------- */
.page-contact .routing-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .routing-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .routing-link {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  height: 100%;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--char);
  border: 1px solid var(--pc-hair);
  color: inherit;
  text-decoration: none;
  transition: background .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .routing-link:hover,
.page-contact .routing-link:focus-visible {
  background: var(--panel);
  border-color: var(--pc-gold-hair);
}

.page-contact .routing-link:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 2px;
}

.page-contact .routing-num {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .routing-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--cool-soft);
}

.page-contact .routing-text strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .routing-arrow {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--gold);
  transition: transform .25s var(--ease);
}

.page-contact .routing-link:hover .routing-arrow {
  transform: translateX(4px);
}

/* ---------- 地址与备案 ---------- */
.page-contact .place-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
}

.page-contact .place-copy p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: 15px;
}

.page-contact .place-note {
  font-size: 13.5px;
  color: var(--cool);
}

.page-contact .place-note a {
  color: var(--gold-lit);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-contact .paper-tag {
  position: relative;
  padding: 18px 22px;
  background: var(--paper);
  border: 1px solid var(--edge);
  box-shadow: 5px 5px 0 rgba(217, 210, 196, .3);
}

.page-contact .paper-tag::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 4px;
  background: var(--gold);
}

.page-contact .tag-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #5a5449;
}

.page-contact .tag-value {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

/* ---------- 渠道与生态 ---------- */
.page-contact .partners-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}

.page-contact .partners-copy p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: 15px;
}

.page-contact .partners-copy .btn {
  margin-top: 10px;
}

.page-contact .partners-dots {
  aspect-ratio: 16 / 9;
  min-height: 160px;
  border: 1px solid var(--pc-hair);
  background-image: radial-gradient(circle, var(--gold) 1.6px, transparent 1.7px);
  background-size: 22px 22px;
  background-position: 0 0;
  opacity: .4;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .route-head {
    display: grid;
    grid-template-columns: 1.4fr .9fr 1.1fr;
    gap: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--pc-hair-strong);
  }

  .page-contact .route-row {
    grid-template-columns: 1.4fr .9fr 1.1fr;
    gap: 16px;
    align-items: baseline;
    padding: 16px 0;
  }

  .page-contact .route-row:first-child {
    padding-top: 16px;
  }

  .page-contact .route-channel,
  .page-contact .route-sla {
    padding-left: 0;
  }

  .page-contact .routing-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact .sla-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .place-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .partners-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
  }
}

@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, .82fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .routing-link,
  .page-contact .routing-arrow,
  .page-contact .prep-item {
    transition: none;
  }

  .page-contact .routing-link:hover .routing-arrow {
    transform: none;
  }
}