.page-contact {
  --pc-radius: 2px;
  --pc-soft: rgba(22, 23, 27, 0.06);
  --pc-wrap: var(--shell);
  background: var(--paper);
  color: var(--ink);
  padding-top: calc(var(--header-h) + 18px);
  padding-bottom: 0;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: 48px;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

.page-contact .hero-index {
  position: relative;
  background: var(--orange);
  color: var(--night);
  padding: 26px 22px 28px;
  border-radius: var(--pc-radius);
  overflow: hidden;
}

.page-contact .hero-index::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -70px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(27, 27, 52, 0.32);
  transform: rotate(20deg);
  pointer-events: none;
}

.page-contact .hero-index .eyebrow {
  color: rgba(27, 27, 52, 0.78);
}

.page-contact .hero-title {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-family: var(--font-round);
  font-weight: 800;
  font-size: clamp(28px, 7vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--night);
}

.page-contact .hero-lead {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(27, 27, 52, 0.86);
}

.page-contact .hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .hero-actions .btn--ghost {
  background: transparent;
  border: 1px solid rgba(27, 27, 52, 0.48);
  color: var(--night);
}

.page-contact .hero-actions .btn--ghost:hover,
.page-contact .hero-actions .btn--ghost:focus-visible {
  background: rgba(27, 27, 52, 0.1);
  border-color: var(--night);
}

.page-contact .hero-marks {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid rgba(27, 27, 52, 0.3);
}

.page-contact .hero-mark {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-contact .mark-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--night);
}

.page-contact .mark-txt {
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(27, 27, 52, 0.74);
}

/* 右侧深色信息卡 */
.page-contact .hero-card {
  display: flex;
  flex-direction: column;
  background: var(--night);
  color: var(--paper);
  border-radius: var(--pc-radius);
  overflow: hidden;
}

.page-contact .hero-card-head {
  padding: 24px 22px 0;
}

.page-contact .card-coord {
  margin: 0;
  color: var(--mint);
}

.page-contact .hero-card-title {
  margin: 10px 0 0;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .hero-card-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0 22px;
  display: grid;
  gap: 16px;
}

.page-contact .hero-card-list li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 14px;
  border-top: 1px solid var(--line-inv);
}

.page-contact .hc-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-contact .hc-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .hc-val--mail {
  font-size: 15.5px;
}

.page-contact .hc-sub {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(247, 241, 230, 0.7);
}

.page-contact .hero-figure {
  margin: 22px 0 0;
  padding: 0 22px 22px;
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-inv);
}

/* ---------- 通用章节头 ---------- */
.page-contact .sec-head {
  display: grid;
  gap: 12px;
  max-width: 60ch;
}

.page-contact .sec-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--rock);
}

/* ---------- 入口分流图例 ---------- */
.page-contact .purpose {
  padding: 52px 0 56px;
  border-top: 1px solid var(--line);
}

.page-contact .legend-grid {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .legend-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 16px;
  padding: 22px 12px 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .legend-row:hover,
.page-contact .legend-row:focus-within {
  background: var(--paper-2);
  padding-left: 12px;
}

.page-contact .legend-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .legend-body {
  display: grid;
  gap: 8px;
}

.page-contact .legend-title {
  margin: 0;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .legend-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .legend-link {
  justify-self: start;
  font-size: 14px;
  font-weight: 600;
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 80, 31, 0.4);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .legend-link:hover,
.page-contact .legend-link:focus-visible {
  color: var(--clay);
  border-color: var(--clay);
}

/* ---------- 官方联系信息（深色） ---------- */
.page-contact .reach {
  position: relative;
  background: var(--night);
  color: var(--paper);
  padding: 56px 0;
}

.page-contact .reach::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow), var(--orange) 46%, var(--mint));
}

.page-contact .eyebrow--inv {
  color: rgba(247, 241, 230, 0.66);
}

.page-contact .eyebrow--inv::before {
  background: var(--yellow);
}

.page-contact .reach-head {
  display: grid;
  gap: 12px;
  max-width: 58ch;
}

.page-contact .reach-title {
  color: var(--paper);
}

.page-contact .reach-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.74);
}

.page-contact .reach-grid {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-inv);
  border-top: 1px solid var(--line-inv-2);
  border-bottom: 1px solid var(--line-inv-2);
}

.page-contact .reach-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 20px 0;
  background: var(--night);
}

.page-contact .reach-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-contact .reach-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .reach-val--mail {
  font-size: 15px;
  color: var(--mint);
}

.page-contact .reach-val--hot {
  color: var(--paper);
  letter-spacing: 0.04em;
}

.page-contact .reach-sub {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.66);
}

.page-contact .reach-note {
  margin: 26px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 241, 230, 0.72);
}

/* ---------- 联系入口额度说明 ---------- */
.page-contact .credit {
  padding: 60px 0 56px;
}

.page-contact .credit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-contact .credit-copy {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .credit-lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .step-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line-2);
  display: grid;
  gap: 20px;
}

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 1px solid var(--orange);
  transform: rotate(45deg);
}

.page-contact .step-no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 2px;
}

.page-contact .step-body h3 {
  margin: 0 0 6px;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--rock);
}

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

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

.page-contact .credit-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .credit-note {
  background: var(--paper-2);
  padding: 18px 18px 20px;
  border-left: 3px solid var(--mint);
  display: grid;
  gap: 10px;
  justify-items: start;
}

.page-contact .credit-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .credit-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--violet);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 63, 160, 0.4);
  padding-bottom: 2px;
}

.page-contact .credit-link:hover,
.page-contact .credit-link:focus-visible {
  color: var(--orange-deep);
  border-color: var(--orange-deep);
}

/* ---------- 服务时间 ---------- */
.page-contact .hours {
  padding: 0 0 56px;
}

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
}

.page-contact .hours-head {
  display: grid;
  gap: 12px;
  align-content: start;
  max-width: 46ch;
}

.page-contact .hours-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .hours-list {
  border-top: 1px solid var(--line);
}

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

.page-contact .fold-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

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

.page-contact .fold-summary:hover,
.page-contact .fold-summary:focus-visible {
  color: var(--orange-deep);
}

.page-contact .fold-summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--orange);
}

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

.page-contact .fold-body {
  padding: 0 0 20px;
  max-width: 64ch;
}

.page-contact .fold-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--rock);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .partner {
  padding: 0 0 56px;
}

.page-contact .partner-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .partner-card {
  padding: 24px 20px 26px;
  display: grid;
  gap: 12px;
  justify-items: start;
  border-radius: var(--pc-radius);
}

.page-contact .partner-card--warm {
  background: var(--paper-2);
  border: 1px solid var(--line);
}

.page-contact .partner-card--night {
  background: var(--night-2);
  color: var(--paper);
}

.page-contact .tag--night {
  background: rgba(255, 201, 60, 0.16);
  color: var(--yellow);
  border: 1px solid rgba(255, 201, 60, 0.4);
}

.page-contact .partner-title {
  margin: 0;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .partner-card--night .partner-title {
  color: var(--paper);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .partner-card--night p {
  color: rgba(247, 241, 230, 0.76);
}

.page-contact .feedback-list {
  margin: 0;
  padding: 0 0 0 2px;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .feedback-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.78);
}

.page-contact .feedback-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--mint);
  transform: rotate(45deg);
}

.page-contact .partner-link {
  justify-self: start;
  margin-top: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 80, 31, 0.42);
  padding-bottom: 2px;
}

.page-contact .partner-link--inv {
  color: var(--yellow);
  border-color: rgba(255, 201, 60, 0.45);
}

.page-contact .partner-link:hover,
.page-contact .partner-link:focus-visible {
  color: var(--clay);
  border-color: var(--clay);
}

.page-contact .partner-link--inv:hover,
.page-contact .partner-link--inv:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- 地址与备案 ---------- */
.page-contact .registry {
  padding: 0 0 60px;
}

.page-contact .registry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-contact .registry-head {
  display: grid;
  gap: 12px;
  align-content: start;
  max-width: 42ch;
}

.page-contact .registry-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--rock);
}

.page-contact .reg-table {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .reg-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-contact .reg-row:hover {
  background: var(--paper-2);
}

.page-contact .reg-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--moss);
  padding-top: 3px;
}

.page-contact .reg-val {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .reg-val--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--clay);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-close {
  padding: 0 0 72px;
}

.page-contact .close-inner {
  background: var(--night);
  color: var(--paper);
  padding: 32px 22px;
  display: grid;
  gap: 22px;
  border-radius: var(--pc-radius);
  position: relative;
  overflow: hidden;
}

.page-contact .close-inner::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(247, 241, 230, 0.16);
  transform: rotate(24deg);
  pointer-events: none;
}

.page-contact .close-copy {
  display: grid;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.page-contact .close-title {
  margin: 0;
  font-family: var(--font-round);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .close-copy p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(247, 241, 230, 0.76);
}

.page-contact .close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.page-contact .close-actions .btn--ghost {
  background: transparent;
  border: 1px solid var(--line-inv-2);
  color: var(--paper);
}

.page-contact .close-actions .btn--ghost:hover,
.page-contact .close-actions .btn--ghost:focus-visible {
  background: rgba(247, 241, 230, 0.1);
  border-color: var(--paper);
}

.page-contact .close-foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .close-foot a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 80, 31, 0.4);
}

.page-contact .close-foot a:hover,
.page-contact .close-foot a:focus-visible {
  color: var(--clay);
  border-color: var(--clay);
}

/* ---------- 720px ---------- */
@media (min-width: 720px) {
  .page-contact .hero-index {
    padding: 34px 34px 34px;
  }

  .page-contact .hero-card-head {
    padding: 28px 28px 0;
  }

  .page-contact .hero-card-list {
    padding: 0 28px;
  }

  .page-contact .hero-figure {
    padding: 0 28px 28px;
  }

  .page-contact .legend-row {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 26px 16px 26px 0;
  }

  .page-contact .legend-row:hover,
  .page-contact .legend-row:focus-within {
    padding-left: 16px;
  }

  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-contact .reach-item {
    padding: 22px 0;
  }

  .page-contact .reach-item--wide {
    grid-column: 1 / -1;
  }

  .page-contact .reg-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .close-inner {
    padding: 40px 36px;
  }
}

/* ---------- 1000px ---------- */
@media (min-width: 1000px) {
  .page-contact {
    padding-top: calc(var(--header-h) + 26px);
  }

  .page-contact .contact-hero {
    padding-bottom: 64px;
  }

  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 22px;
  }

  .page-contact .hero-index {
    padding: 44px 44px 40px;
  }

  .page-contact .hero-title {
    max-width: 14ch;
  }

  .page-contact .purpose {
    padding: 64px 0 72px;
  }

  .page-contact .legend-grid {
    margin-top: 38px;
  }

  .page-contact .legend-title {
    font-size: 21px;
  }

  .page-contact .legend-text {
    font-size: 15.5px;
    max-width: 74ch;
  }

  .page-contact .reach {
    padding: 72px 0;
  }

  .page-contact .reach-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-contact .reach-item--wide {
    grid-column: 1 / -1;
  }

  .page-contact .credit {
    padding: 76px 0 68px;
  }

  .page-contact .credit-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 54px;
    align-items: start;
  }

  .page-contact .credit-aside {
    position: relative;
    margin-top: -6px;
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 56px;
    padding-top: 52px;
  }

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

  .page-contact .partner-card {
    padding: 30px 28px 32px;
  }

  .page-contact .registry-grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 56px;
    padding-top: 48px;
  }

  .page-contact .close-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 46px 44px;
  }

  .page-contact .close-actions {
    justify-content: flex-end;
  }
}

/* ---------- 动效减弱 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .legend-row,
  .page-contact .reg-row,
  .page-contact .fold-summary {
    transition: none;
  }
}