.page-contact {
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: clip;
}

.page-contact .pc-hero {
  padding: clamp(24px, 4vw, 48px) 0 clamp(36px, 5vw, 64px);
}

.page-contact .pc-hero__eyebrow {
  margin: 0 0 clamp(16px, 2.6vw, 26px);
  color: var(--slate);
}

.page-contact .pc-hero__grid {
  display: block;
}

.page-contact .pc-hero__title {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(38px, 8.4vw, 108px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.page-contact .pc-hero__lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 46ch;
  color: var(--ink);
}

.page-contact .pc-hero__actions {
  gap: 12px;
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }

  .page-contact .pc-hero__eyebrow {
    grid-column: 1 / 5;
    grid-row: 1;
  }

  .page-contact .pc-hero__title {
    grid-column: 1 / 13;
    grid-row: 2;
  }

  .page-contact .pc-hero__lede {
    grid-column: 1 / 7;
    grid-row: 3;
    margin-bottom: 0;
  }

  .page-contact .pc-hero__actions {
    grid-column: 8 / 13;
    grid-row: 3;
    justify-content: flex-end;
  }
}

.page-contact .pc-facts {
  list-style: none;
  margin: clamp(32px, 4.5vw, 56px) 0 0;
  padding: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 26px);
}

@media (min-width: 760px) {
  .page-contact .pc-facts {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

.page-contact .pc-facts__n {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--deep);
}

.page-contact .pc-facts__l {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* 合作类型色带 */
.page-contact .pc-types {
  padding: clamp(42px, 6vw, 84px) 0;
  color: var(--sand);
}

.page-contact .pc-types__head {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.page-contact .pc-types__lead .bd-index {
  margin: 0 0 12px;
  color: var(--mist);
}

.page-contact .pc-types__title {
  margin: 0 0 14px;
  color: var(--sand);
}

.page-contact .pc-types__intro {
  margin: 0;
  max-width: 40ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .pc-types__figure {
  margin: 0;
}

.page-contact .pc-types__figure .bd-figure__cap {
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .pc-types__head {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: end;
  }

  .page-contact .pc-types__lead {
    grid-column: 1 / 7;
  }

  .page-contact .pc-types__figure {
    grid-column: 8 / 13;
  }
}

.page-contact .pc-types__grid {
  display: grid;
  gap: var(--gap);
  margin-top: clamp(28px, 4vw, 48px);
}

@media (min-width: 860px) {
  .page-contact .pc-types__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-tcard--a { grid-column: 1 / 6; }
  .page-contact .pc-tcard--b { grid-column: 6 / 13; }
  .page-contact .pc-tcard--c { grid-column: 1 / 8; }
  .page-contact .pc-tcard--d { grid-column: 8 / 13; }
}

.page-contact .pc-tcard {
  padding: clamp(20px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .pc-tcard .bd-index {
  margin: 0;
  color: var(--mist);
}

.page-contact .pc-tcard .bd-h3 {
  margin: 0;
  color: var(--sand);
}

.page-contact .pc-tcard__desc {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .pc-tcard__more {
  margin-top: 4px;
}

.page-contact .pc-tcard__more .bd-disclosure__body p {
  margin: 0;
  color: var(--sand);
  font-size: 14px;
  line-height: 1.8;
}

/* 展开控件 */
.page-contact summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--slate);
  transition: color 200ms ease-out;
}

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

.page-contact summary::before {
  content: "+ ";
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-contact details[open] > summary::before {
  content: "− ";
}

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

.page-contact .pc-types .pc-tcard summary:hover,
.page-contact .pc-types .pc-tcard summary:focus-visible {
  color: var(--sand);
}

.page-contact .bd-disclosure__body {
  transition: opacity 200ms ease-out;
}

/* 协作流程 */
.page-contact .pc-flow-sec {
  padding: clamp(44px, 6vw, 88px) 0;
}

.page-contact .pc-flow-head .bd-index {
  margin: 0 0 12px;
  color: var(--slate);
}

.page-contact .pc-flow-head .bd-h2 {
  margin: 0 0 14px;
}

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-contact .pc-flow__step {
  padding-top: 16px;
  border-top: 2px solid var(--deep);
}

.page-contact .pc-flow__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .pc-flow__title {
  margin: 0 0 6px;
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--deep);
}

.page-contact .pc-flow__time {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--grass);
}

.page-contact .pc-flow__more .bd-disclosure__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

@media (min-width: 780px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-contact .pc-flow__step {
    position: relative;
  }

  .page-contact .pc-flow__step:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 34px;
    right: calc(-1 * clamp(12px, 1.7vw, 24px));
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1;
    color: var(--orange);
  }
}

/* 准备材料 */
.page-contact .pc-prep {
  padding: clamp(40px, 5.5vw, 80px) 0;
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .pc-prep__text .bd-index {
  margin: 0 0 12px;
  color: var(--slate);
}

.page-contact .pc-prep__text .bd-h2 {
  margin: 0 0 14px;
}

.page-contact .pc-prep__list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .pc-prep__list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-contact .pc-prep__list li:first-child {
  border-top: 1px solid var(--hair);
}

.page-contact .pc-prep__item {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--deep);
}

.page-contact .pc-prep__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .pc-prep__figure {
  margin: 0;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: var(--card-radius);
}

.page-contact .pc-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-diagram text {
  font-family: var(--font-sans);
  font-size: 15px;
  fill: var(--sand);
  text-anchor: middle;
  dominant-baseline: middle;
}

.page-contact .pc-diagram__box rect {
  fill: var(--deep);
  stroke: var(--strait);
  stroke-width: 1;
}

.page-contact .pc-diagram__box--out rect {
  fill: var(--strait);
}

.page-contact .pc-diagram__arrow line {
  stroke: var(--orange);
  stroke-width: 2;
}

.page-contact .pc-diagram__arrow path {
  fill: var(--orange);
}

.page-contact .pc-prep__cap {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-contact .pc-prep__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }

  .page-contact .pc-prep__text {
    grid-column: 1 / 8;
  }

  .page-contact .pc-prep__diagram {
    grid-column: 9 / 13;
    position: sticky;
    top: 108px;
  }
}

/* 交付与联系 */
.page-contact .pc-handoff {
  padding: clamp(42px, 6vw, 88px) 0;
  background: var(--paper);
  border-top: 1px solid var(--hair);
}

.page-contact .pc-handoff__grid {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .pc-handoff__deliver .bd-index {
  margin: 0 0 12px;
  color: var(--slate);
}

.page-contact .pc-handoff__deliver .bd-h2 {
  margin: 0 0 14px;
}

.page-contact .pc-deliver {
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: var(--gap);
}

.page-contact .pc-deliver__item {
  display: grid;
  gap: 6px;
  padding: 18px 0 18px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .pc-deliver__fmt {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  padding: 3px 9px;
  border-radius: var(--pill);
  background: var(--sand-2);
  color: var(--deep);
}

.page-contact .pc-deliver__name {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--deep);
}

.page-contact .pc-deliver__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .pc-contactcard {
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-self: start;
}

.page-contact .pc-contactcard .bd-tag {
  align-self: flex-start;
}

.page-contact .pc-contactcard__title {
  margin: 0;
  color: var(--deep);
}

.page-contact .pc-contactcard__hint {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .pc-contactcard__list {
  margin: 6px 0 0;
  padding: 0;
}

.page-contact .pc-contactcard__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px dashed var(--hair);
}

.page-contact .pc-contactcard__row dt {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .pc-contactcard__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .pc-contactcard__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
}

.page-contact .pc-contactcard__note {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background: var(--sand);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .pc-contactcard__actions {
  gap: 10px;
  flex-wrap: wrap;
}

@media (min-width: 940px) {
  .page-contact .pc-handoff__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: start;
  }

  .page-contact .pc-handoff__deliver {
    grid-column: 1 / 8;
  }

  .page-contact .pc-contactcard {
    grid-column: 8 / 13;
    position: sticky;
    top: 108px;
  }

  .page-contact .pc-deliver {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 服务区域 */
.page-contact .pc-region {
  padding: clamp(44px, 6vw, 90px) 0;
  color: var(--sand);
}

.page-contact .pc-region__grid {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
}

.page-contact .pc-region .bd-index {
  margin: 0 0 12px;
  color: var(--mist);
}

.page-contact .pc-region .bd-h2 {
  margin: 0 0 14px;
  color: var(--sand);
}

.page-contact .pc-region .bd-prose {
  color: var(--mist);
  margin: 0 0 20px;
}

.page-contact .pc-region__list {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-region__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sand);
}

.page-contact .pc-region__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--grass);
}

.page-contact .pc-region__actions {
  gap: 12px;
}

.page-contact .pc-region__figure {
  margin: 0;
}

.page-contact .pc-region__figure .bd-figure__cap {
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .pc-region__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gap);
    align-items: center;
  }

  .page-contact .pc-region__text {
    grid-column: 1 / 6;
  }

  .page-contact .pc-region__figure {
    grid-column: 7 / 13;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact summary,
  .page-contact .bd-disclosure__body {
    transition: none;
  }
}