.page-contact {
  --fb-border: 2px solid var(--line-strong);
  --shift: 4px 4px 0 rgba(11, 15, 20, .92);
  padding-bottom: 0;
}

/* ---------- 面包屑留白 ---------- */
.page-contact .breadcrumb {
  padding: 22px 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 44px 0 48px;
  isolation: isolate;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(152deg, var(--blue-wash) 0%, transparent 46%),
    repeating-linear-gradient(90deg, rgba(110, 118, 129, .13) 0 1px, transparent 1px 88px);
  pointer-events: none;
}
.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8vw, 78px);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--paper);
  max-width: 11em;
}
.page-contact .contact-hero__body {
  margin-top: 26px;
  display: grid;
  gap: 24px;
}
.page-contact .contact-hero__quick {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  border-left: 2px solid var(--blue);
  padding-left: 16px;
}
.page-contact .contact-hero__quick li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper-64);
}
.page-contact .contact-hero__quick .mono {
  color: var(--pulse);
  font-size: 13px;
  letter-spacing: .04em;
  margin-right: 6px;
}

/* ---------- 联系方式横条 ---------- */
.page-contact .contact-strip {
  position: relative;
  padding: 40px 0 34px;
  background: var(--ink-2);
  border-top: 2px solid var(--line-strong);
  border-bottom: 2px solid var(--line-strong);
}
.page-contact .contact-strip__head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}
.page-contact .contact-strip__title {
  margin: 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -.01em;
}
.page-contact .contact-strip__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-64);
  max-width: 46ch;
}
.page-contact .contact-strip__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-contact .contact-cell {
  position: relative;
  padding: 18px 18px 16px;
  background: var(--ink);
  border: 2px solid var(--line);
  box-shadow: var(--shift);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .contact-cell:hover,
.page-contact .contact-cell:focus-within {
  border-color: var(--blue);
  transform: translate(-2px, -2px);
}
.page-contact .contact-cell--tel:hover,
.page-contact .contact-cell--tel:focus-within {
  border-color: var(--pulse);
}
.page-contact .contact-cell--addr:hover,
.page-contact .contact-cell--addr:focus-within {
  border-color: var(--clay);
}
.page-contact .contact-cell__head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.page-contact .contact-cell__tag {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ink);
  background: var(--paper);
  padding: 3px 7px;
}
.page-contact .contact-cell--tel .contact-cell__tag {
  background: var(--pulse);
}
.page-contact .contact-cell--addr .contact-cell__tag {
  background: var(--clay);
  color: var(--paper);
}
.page-contact .contact-cell__hint {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}
.page-contact .contact-cell__value {
  margin: 0 0 14px;
  font-size: clamp(16px, 4.4vw, 26px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
  word-break: break-all;
}
.page-contact .contact-cell__value--addr {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(17px, 4vw, 24px);
  letter-spacing: .01em;
  word-break: normal;
}
.page-contact .contact-strip__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-64);
  max-width: 62ch;
}

/* ---------- 值班氛围图 ---------- */
.page-contact .contact-visual {
  padding: 38px 0 8px;
}
.page-contact .contact-visual .media-frame {
  border: 2px solid var(--line-strong);
  box-shadow: var(--shift);
  background: var(--ink-2);
}

/* ---------- 通用小节头 ---------- */
.page-contact .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}
.page-contact .section-head h2,
.page-contact .prep h2,
.page-contact .flow h2,
.page-contact .partner h2,
.page-contact .inline-submit h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-contact .section-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-64);
  max-width: 48ch;
}

/* ---------- 反馈类型 ---------- */
.page-contact .fb-types {
  padding: 52px 0 20px;
}
.page-contact .fb-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}
.page-contact .fb-card {
  position: relative;
  padding: 40px 18px 18px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  box-shadow: var(--shift);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .fb-card:hover,
.page-contact .fb-card:focus-within {
  transform: translate(-2px, -2px);
}
.page-contact .fb-card--fix:hover,
.page-contact .fb-card--fix:focus-within {
  border-color: var(--blue);
  background: linear-gradient(150deg, var(--blue-wash), var(--ink-2) 58%);
}
.page-contact .fb-card--venue:hover,
.page-contact .fb-card--venue:focus-within {
  border-color: var(--moss);
}
.page-contact .fb-card--asset:hover,
.page-contact .fb-card--asset:focus-within {
  border-color: var(--flame);
}
.page-contact .fb-card--coop:hover,
.page-contact .fb-card--coop:focus-within {
  border-color: var(--pulse);
}
.page-contact .fb-card__num {
  position: absolute;
  top: 0;
  left: 0;
  padding: 5px 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ink);
  background: var(--paper);
}
.page-contact .fb-card--asset .fb-card__num {
  background: var(--flame);
  color: var(--ink);
}
.page-contact .fb-card--coop .fb-card__num {
  background: var(--pulse);
  color: var(--ink);
}
.page-contact .fb-card--venue .fb-card__num {
  background: var(--moss);
  color: var(--paper);
}
.page-contact .fb-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper);
  letter-spacing: -.005em;
}
.page-contact .fb-card__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-64);
}
.page-contact .fb-card__need {
  margin: 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-82);
}
.page-contact .fb-card__need .mono {
  display: inline-block;
  margin-right: 6px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--blue-soft);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep {
  padding: 52px 0 20px;
}
.page-contact .prep__lead {
  margin: 14px 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-64);
  max-width: 46ch;
}
.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line-strong);
}
.page-contact .prep-item {
  border-bottom: 1px solid var(--line);
}
.page-contact .prep-check {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 6px;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-contact .prep-check:hover {
  background: rgba(47, 107, 255, .07);
  padding-left: 12px;
}
.page-contact .prep-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-contact .prep-check__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--line-strong);
  background: var(--ink);
  position: relative;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-contact .prep-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform var(--dur) var(--ease);
}
.page-contact .prep-check__input:checked + .prep-check__box {
  border-color: var(--pulse);
  background: var(--pulse);
}
.page-contact .prep-check__input:checked + .prep-check__box::after {
  transform: rotate(42deg) scale(1);
}
.page-contact .prep-check__input:focus-visible + .prep-check__box {
  outline: 2px solid var(--blue-soft);
  outline-offset: 3px;
}
.page-contact .prep-check__text {
  display: grid;
  gap: 3px;
  font-size: 14px;
  line-height: 1.65;
}
.page-contact .prep-check__text strong {
  color: var(--paper);
  font-weight: 600;
}
.page-contact .prep-check__text em {
  font-style: normal;
  font-size: 13px;
  color: var(--stone);
}
.page-contact .prep__side {
  margin-top: 30px;
}
.page-contact .prep__side .panel {
  border: 2px solid var(--line);
  box-shadow: var(--shift);
  background: var(--ink-2);
}
.page-contact .prep__side .panel__head {
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--pulse);
  border-bottom: 1px solid var(--line);
}
.page-contact .prep__side .panel__body {
  padding: 16px;
  display: grid;
  gap: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-64);
}
.page-contact .prep__side .panel__body p {
  margin: 0;
}
.page-contact .prep__side a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .prep__side a:hover,
.page-contact .prep__side a:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  padding: 52px 0 20px;
}
.page-contact .flow__lead {
  margin: 14px 0 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-64);
  max-width: 52ch;
}
.page-contact .flow-track {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}
.page-contact .flow-node {
  position: relative;
  padding: 20px 18px 18px 26px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  outline: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .flow-node__dot {
  position: absolute;
  left: -8px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 0 4px var(--ink), 0 0 0 5px var(--line-strong);
  transition: box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-contact .flow-node__num {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue-soft);
}
.page-contact .flow-node__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
}
.page-contact .flow-node__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-64);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 220ms var(--ease), opacity 180ms var(--ease);
}
.page-contact .flow-node:hover,
.page-contact .flow-node:focus-visible {
  border-color: var(--blue);
  transform: translateX(2px);
}
.page-contact .flow-node:hover .flow-node__desc,
.page-contact .flow-node:focus-visible .flow-node__desc {
  max-height: 140px;
  opacity: 1;
}
.page-contact .flow-node:hover .flow-node__dot,
.page-contact .flow-node:focus-visible .flow-node__dot {
  background: var(--flame);
  box-shadow: 0 0 0 4px var(--ink), 0 0 0 5px var(--flame);
}
.page-contact .flow__figure {
  margin: 30px 0 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shift);
  background: var(--ink-2);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .partner {
  padding: 52px 0 20px;
}
.page-contact .partner__head {
  display: grid;
  gap: 14px;
  margin-bottom: 26px;
}
.page-contact .partner__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-64);
  max-width: 56ch;
}
.page-contact .partner-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}
.page-contact .partner-card {
  padding: 18px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-left-width: 6px;
  border-left-color: var(--blue);
  box-shadow: var(--shift);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .partner-card:nth-child(2) {
  border-left-color: var(--moss);
}
.page-contact .partner-card:nth-child(3) {
  border-left-color: var(--clay);
}
.page-contact .partner-card:nth-child(4) {
  border-left-color: var(--pulse);
}
.page-contact .partner-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--flame);
}
.page-contact .partner-card .tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 11px;
  letter-spacing: .12em;
}
.page-contact .partner-card h3 {
  margin: 0 0 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--paper);
}
.page-contact .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-64);
}
.page-contact .partner__foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-64);
}
.page-contact .partner__foot a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .partner__foot a:hover,
.page-contact .partner__foot a:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

/* ---------- 站内提交 ---------- */
.page-contact .inline-submit {
  padding: 50px 0 72px;
}
.page-contact .inline-submit__panel {
  position: relative;
  padding: 30px 20px 26px;
  background: linear-gradient(140deg, rgba(47, 107, 255, .22), transparent 62%), var(--ink-2);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shift);
}
.page-contact .inline-submit__panel::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 88px;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--pulse) 52%, var(--flame));
}
.page-contact .inline-submit__body {
  margin: 18px 0 0;
  display: grid;
  gap: 14px;
  max-width: 62ch;
}
.page-contact .inline-submit__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-82);
}
.page-contact .inline-submit__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-strip__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-cell--addr {
    grid-column: 1 / -1;
  }
  .page-contact .fb-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .flow-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .flow-node__desc {
    max-height: none;
    opacity: 1;
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-strip__head {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: end;
    gap: 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 62px 0 58px;
  }
  .page-contact .contact-hero__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: end;
    margin-top: 32px;
  }
  .page-contact .contact-hero__quick {
    padding-left: 20px;
  }
  .page-contact .contact-strip {
    padding: 52px 0 46px;
  }
  .page-contact .contact-strip__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .contact-cell--addr {
    grid-column: auto;
  }
  .page-contact .contact-visual {
    padding: 44px 0 12px;
  }
  .page-contact .fb-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .fb-card__desc {
    min-height: 66px;
  }
  .page-contact .prep .grid-12 {
    align-items: start;
  }
  .page-contact .prep__side {
    margin-top: 0;
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    padding-left: 0;
  }
  .page-contact .flow-node {
    border-right-width: 0;
    padding-right: 22px;
  }
  .page-contact .flow-node:last-child {
    border-right-width: 2px;
  }
  .page-contact .flow-node::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 27px;
    height: 2px;
    background: var(--line-strong);
    z-index: -1;
  }
  .page-contact .flow-node__dot {
    left: -2px;
    top: 22px;
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .inline-submit__panel {
    padding: 40px 44px 36px;
  }
  .page-contact .inline-submit {
    padding: 58px 0 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-cell,
  .page-contact .fb-card,
  .page-contact .flow-node,
  .page-contact .partner-card,
  .page-contact .prep-check,
  .page-contact .prep-check__box::after {
    transition: none;
  }
  .page-contact .contact-cell:hover,
  .page-contact .fb-card:hover,
  .page-contact .flow-node:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}
</main>