.page-contact {
  --pc-edge: clamp(18px, 4.5vw, 34px);
  background: var(--yd-paper);
  color: var(--yd-ink);
  overflow-x: hidden;
}

.page-contact .pc-crumbs {
  padding-block: 18px 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: 8px 0 clamp(28px, 6vw, 54px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 22px;
}

.page-contact .pc-hero__title {
  margin: 10px 0 14px;
  font-size: clamp(31px, 7.4vw, 56px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-contact .pc-hero__intro .yd-lead {
  max-width: 34em;
  font-size: var(--yd-fs-16);
  line-height: 1.75;
  margin: 0;
}

.page-contact .pc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: linear-gradient(140deg, var(--yd-green) 0%, var(--yd-night) 100%);
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-contact .pc-hero__cap {
  position: absolute;
  left: 14px;
  bottom: 16px;
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(14, 20, 18, 0.66);
  color: var(--yd-cream);
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-12);
  letter-spacing: 0.12em;
}

.page-contact .pc-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 22px 20px;
  background: var(--yd-cream);
  border: 1px solid var(--yd-line-green);
  border-radius: var(--yd-radius);
  box-shadow: var(--yd-shadow);
}

.page-contact .pc-card__label {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-12);
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--yd-green);
}

.page-contact .pc-card__row {
  display: grid;
  gap: 3px;
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--yd-line);
}

.page-contact .pc-card__row:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-card__key {
  font-size: var(--yd-fs-12);
  letter-spacing: 0.18em;
  color: var(--yd-slate);
}

.page-contact .pc-card__value {
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-16);
  font-weight: 600;
  color: var(--yd-ink);
  word-break: break-word;
}

.page-contact .pc-card__value--lg {
  font-size: clamp(26px, 7.4vw, 34px);
  letter-spacing: 0.02em;
  color: var(--yd-green);
}

.page-contact .pc-card__value--sm {
  font-size: var(--yd-fs-14);
  line-height: 1.6;
  font-weight: 500;
}

.page-contact .pc-card__hint {
  font-size: var(--yd-fs-12);
  color: var(--yd-slate);
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-sec {
  padding-block: clamp(34px, 6vw, 62px);
}

.page-contact .pc-sec__head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(20px, 4vw, 32px);
}

.page-contact .pc-sec__top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-contact .pc-sec__top .yd-eyebrow {
  margin: 0;
}

.page-contact .pc-sec__num {
  font-family: var(--yd-mono);
  font-size: clamp(30px, 6.4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--yd-wheat);
  -webkit-text-stroke: 1.5px var(--yd-green);
}

.page-contact .pc-sec__title {
  margin: 4px 0 8px;
  font-size: clamp(23px, 4.8vw, 34px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-contact .pc-sec__lead {
  margin: 0;
  max-width: 36em;
  font-size: var(--yd-fs-16);
  line-height: 1.75;
}

.page-contact .pc-sec__lead a,
.page-contact .pc-sec__foot a,
.page-contact .pc-reach__boxtext a {
  color: var(--yd-green);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--yd-orange);
  text-underline-offset: 3px;
}

.page-contact .pc-sec__foot {
  margin: 18px 0 0;
  font-size: var(--yd-fs-14);
  line-height: 1.75;
  color: var(--yd-ink);
}

/* ---------- 01 合作矩阵 ---------- */
.page-contact .pc-matrix {
  display: grid;
  gap: 16px;
}

.page-contact .pc-matrix__item {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px 28px;
  background: var(--yd-mist);
  color: var(--yd-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-contact .pc-matrix__item--dark {
  background: var(--yd-green);
  color: var(--yd-cream);
}

.page-contact .pc-matrix__kicker {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-12);
  font-weight: 700;
  letter-spacing: 0.2em;
  opacity: 0.78;
}

.page-contact .pc-matrix__title {
  margin: 0;
  font-size: var(--yd-fs-20);
  font-weight: 900;
  line-height: 1.3;
}

.page-contact .pc-matrix__dl {
  margin: 0;
  display: grid;
  gap: 9px;
}

.page-contact .pc-matrix__dl > div {
  display: grid;
  gap: 2px;
}

.page-contact .pc-matrix__dl dt {
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  opacity: 0.7;
}

.page-contact .pc-matrix__dl dd {
  margin: 0;
  font-size: var(--yd-fs-14);
  line-height: 1.7;
}

.page-contact .pc-matrix__link {
  justify-self: start;
  margin-top: 4px;
  font-size: var(--yd-fs-14);
  font-weight: 700;
  color: var(--yd-orange);
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

.page-contact .pc-matrix__item--dark .pc-matrix__link {
  color: var(--yd-wheat);
}

/* ---------- 02 流程 ---------- */
.page-contact .pc-flow {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .pc-flow__dash {
  display: none;
}

.page-contact .pc-flow__step {
  display: grid;
  gap: 6px;
  justify-items: start;
}

.page-contact .pc-flow__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1.5px dashed var(--yd-green);
  background: var(--yd-cream);
  font-family: var(--yd-mono);
  font-weight: 700;
  font-size: var(--yd-fs-14);
  color: var(--yd-green);
}

.page-contact .pc-flow__step h3 {
  margin: 4px 0 0;
  font-size: var(--yd-fs-20);
  font-weight: 900;
}

.page-contact .pc-flow__step p {
  margin: 0;
  max-width: 26em;
  font-size: var(--yd-fs-14);
  line-height: 1.7;
}

.page-contact .pc-flow__time {
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-12);
  letter-spacing: 0.06em;
  color: var(--yd-orange);
}

.page-contact .pc-banner {
  margin: clamp(26px, 5vw, 40px) 0 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--yd-mist), var(--yd-wheat));
  clip-path: polygon(0 3%, 100% 0, 100% 100%, 0 97%);
}

.page-contact .pc-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .pc-banner figcaption {
  padding: 12px 16px 16px;
  font-size: var(--yd-fs-14);
  line-height: 1.6;
  color: var(--yd-ink);
  background: var(--yd-cream);
}

/* ---------- 03 材料清单 ---------- */
.page-contact .pc-mats {
  counter-reset: pc-picked;
  display: grid;
  gap: 14px;
}

.page-contact .pc-mats__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--yd-line);
}

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

.page-contact .pc-mat label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 2px;
  cursor: pointer;
  font-size: var(--yd-fs-16);
  line-height: 1.6;
}

.page-contact .pc-mat input {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin: 3px 0 0;
  accent-color: var(--yd-green);
}

.page-contact .pc-mat input:checked {
  counter-increment: pc-picked;
}

.page-contact .pc-mat input:checked + .pc-mat__text {
  color: var(--yd-green);
  font-weight: 600;
}

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

.page-contact .pc-mats__count {
  margin: 0;
  justify-self: start;
  padding: 8px 17px;
  border-radius: 999px;
  background: var(--yd-wheat);
  color: var(--yd-green);
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-14);
}

.page-contact .pc-mats__num::after {
  content: counter(pc-picked);
}

/* ---------- 04 联系 ---------- */
.page-contact .pc-reach {
  display: grid;
  gap: 18px;
}

.page-contact .pc-reach__card {
  display: grid;
  gap: 16px;
  padding: 24px 22px;
  border-radius: var(--yd-radius);
  background: var(--yd-night);
  color: var(--yd-cream);
}

.page-contact .pc-reach__row {
  display: grid;
  gap: 4px;
}

.page-contact .pc-reach__key {
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--yd-mist);
  opacity: 0.82;
}

.page-contact .pc-reach__val {
  font-family: var(--yd-mono);
  font-size: clamp(15px, 3.6vw, 20px);
  font-weight: 600;
  color: var(--yd-cream);
  word-break: break-word;
}

.page-contact .pc-reach__val--lg {
  font-size: clamp(24px, 6.4vw, 32px);
  letter-spacing: 0.02em;
  color: var(--yd-wheat);
}

.page-contact .pc-reach__val--sm {
  font-size: var(--yd-fs-14);
  line-height: 1.7;
  font-weight: 500;
}

.page-contact .pc-reach__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(216, 228, 218, 0.35);
  font-size: var(--yd-fs-14);
  line-height: 1.75;
  color: var(--yd-mist);
}

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

.page-contact .pc-reach__box {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--yd-cream);
  border: 1px solid var(--yd-line-green);
  border-radius: var(--yd-radius-sm);
}

.page-contact .pc-reach__boxkey {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--yd-slate);
}

.page-contact .pc-reach__boxval {
  margin: 0;
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-20);
  font-weight: 700;
  color: var(--yd-green);
}

.page-contact .pc-reach__boxtext {
  margin: 0;
  font-size: var(--yd-fs-14);
  line-height: 1.75;
}

/* ---------- 05 问答 ---------- */
.page-contact .pc-faq {
  display: grid;
  gap: 10px;
}

.page-contact .pc-faq__item {
  padding: 0 18px;
  background: var(--yd-cream);
  border: 1px solid var(--yd-line-green);
  border-radius: var(--yd-radius-sm);
}

.page-contact .pc-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--yd-fs-16);
  font-weight: 700;
  line-height: 1.5;
}

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

.page-contact .pc-faq__q::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--yd-mono);
  font-size: var(--yd-fs-20);
  color: var(--yd-orange);
}

.page-contact .pc-faq__item[open] .pc-faq__q::after {
  content: "－";
}

.page-contact .pc-faq__item[open] {
  border-color: var(--yd-green);
}

.page-contact .pc-faq__a {
  margin: 0 0 16px;
  max-width: 42em;
  font-size: var(--yd-fs-14);
  line-height: 1.8;
}

.page-contact .pc-faq__a a {
  color: var(--yd-green);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--yd-orange);
  text-underline-offset: 3px;
}

/* ---------- 中等屏 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-hero__title {
    font-size: clamp(38px, 5.6vw, 56px);
  }

  .page-contact .pc-card {
    padding: 24px 26px;
  }

  .page-contact .pc-matrix__item {
    padding: 26px 24px 32px;
  }

  .page-contact .pc-flow {
    grid-template-columns: 1fr 1fr;
    gap: 26px 22px;
  }

  .page-contact .pc-mats__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 28px;
    border-top: 0;
  }

  .page-contact .pc-mat {
    border-top: 1px solid var(--yd-line);
    border-bottom: 1px solid var(--yd-line);
    margin-bottom: -1px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    grid-template-rows: auto auto;
    column-gap: 38px;
    row-gap: 28px;
    align-items: start;
  }

  .page-contact .pc-hero__intro {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .pc-card {
    grid-column: 1;
    grid-row: 2;
  }

  .page-contact .pc-hero__figure {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: stretch;
    height: 100%;
  }

  .page-contact .pc-hero__figure img {
    height: 100%;
    min-height: 420px;
    aspect-ratio: auto;
  }

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

  .page-contact .pc-matrix {
    grid-template-columns: 1fr 1fr;
    gap: 20px 26px;
    padding-bottom: 36px;
  }

  .page-contact .pc-matrix__item:nth-child(even) {
    transform: translateY(36px);
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 8px;
  }

  .page-contact .pc-flow__dash {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 10px;
    width: 100%;
    height: 24px;
    color: var(--yd-line-green);
    pointer-events: none;
  }

  .page-contact .pc-flow__step {
    padding-right: 12px;
  }

  .page-contact .pc-mats__grid .pc-mats {
    max-width: 100%;
  }

  .page-contact .pc-reach {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 24px;
    align-items: start;
  }

  .page-contact .pc-reach__card {
    padding: 30px 30px 26px;
  }

  .page-contact .pc-faq {
    gap: 12px;
    max-width: 900px;
  }

  .page-contact .pc-faq__item {
    padding: 0 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-matrix__item:nth-child(even) {
    transform: none;
  }
}
<<<END>>>