.page-contact {
  padding-bottom: clamp(40px, 8vw, 100px);
  color: var(--bone);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}
.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--fs-14);
  color: var(--mute);
}
.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--stone);
}
.page-contact .crumbs a {
  color: var(--mute);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}
.page-contact .crumbs li[aria-current="page"] {
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(28px, 5vw, 60px);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}
.page-contact .contact-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--bone);
}
.page-contact .contact-hero .lede {
  max-width: 62ch;
}
.page-contact .contact-hero__aside {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius);
}
.page-contact .contact-hero__aside .annotation {
  margin: 0;
}
.page-contact .contact-hero__aside .kicker {
  margin: clamp(12px, 2vw, 18px) 0 0;
}
.page-contact .contact-quick {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: var(--fs-14);
  color: var(--mute);
  line-height: 1.7;
}
.page-contact .contact-quick a {
  color: var(--lime);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(198, 242, 78, 0.32);
  transition: border-color .22s var(--ease), color .22s var(--ease);
}
.page-contact .contact-quick a:hover,
.page-contact .contact-quick a:focus-visible {
  border-color: var(--lime);
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(24px, 4vw, 72px);
  }
}

/* ---------- 章节标题组（左题右导语） ---------- */
.page-contact .contact-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(24px, 4vw, 44px);
}
.page-contact .contact-head .headline {
  margin: 8px 0 0;
}
@media (min-width: 900px) {
  .page-contact .contact-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: end;
    gap: clamp(24px, 4vw, 64px);
  }
  .page-contact .contact-head .lede {
    margin: 0;
  }
}

/* ---------- 合作类型 ---------- */
.page-contact .contact-types {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .page-contact .contact-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .contact-type {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(20px, 3vw, 30px);
  background: var(--moss);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .28s var(--ease), transform .28s var(--ease);
}
.page-contact .contact-type::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--lime);
  opacity: .55;
}
.page-contact .contact-type--coral::before { background: var(--coral); }
.page-contact .contact-type--clay::before { background: var(--clay); }
.page-contact .contact-type--bone::before { background: var(--bone); }
.page-contact .contact-type::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: -55%;
  width: 70%;
  aspect-ratio: 1;
  background: radial-gradient(circle, var(--glass-strong), transparent 68%);
  pointer-events: none;
}
.page-contact .contact-type:hover,
.page-contact .contact-type:focus-within {
  border-color: rgba(198, 242, 78, 0.45);
  transform: translateY(-3px);
}
.page-contact .contact-type .tag {
  justify-self: start;
}
.page-contact .contact-type .card__title {
  margin: 0;
  font-size: var(--fs-20);
  color: var(--bone);
}
.page-contact .contact-type__who {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--lime);
}
.page-contact .contact-type__body {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--bone);
  position: relative;
  z-index: 1;
}
.page-contact .contact-type .annotation {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
}

/* ---------- 流程与步骤 ---------- */
.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: 1fr;
}
@media (min-width: 1000px) {
  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 76px);
  }
}
.page-contact .contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}
.page-contact .contact-step {
  position: relative;
  padding: 14px 0 14px 26px;
  border-left: 2px solid var(--line);
  transition: border-color .28s var(--ease), background-color .28s var(--ease);
}
.page-contact .contact-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 22px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 242, 78, 0.16);
}
.page-contact .contact-step:hover,
.page-contact .contact-step:focus-within {
  border-color: var(--lime);
  background: var(--glass);
}
.page-contact .contact-step__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--lime);
}
.page-contact .contact-step .card__title {
  margin: 6px 0 8px;
  font-size: var(--fs-20);
  color: var(--bone);
}
.page-contact .contact-step p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mute);
  max-width: 48ch;
}

/* ---------- 通用图框 ---------- */
.page-contact .contact-figure {
  margin: 0;
  background: var(--charcoal);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.58) contrast(1.12) brightness(0.82);
}
.page-contact .contact-figure__cap {
  margin: 0;
  padding: 12px 18px;
  border-top: 1px solid var(--line-soft);
  background: rgba(16, 19, 18, 0.9);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--mute);
}

/* ---------- 材料清单 ---------- */
.page-contact .contact-prep {
  margin-top: clamp(24px, 4vw, 48px);
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius);
}
.page-contact .contact-prep .kicker {
  margin: 0;
}
.page-contact .contact-prep__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
@media (min-width: 720px) {
  .page-contact .contact-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 30px;
  }
  .page-contact .contact-prep__list li:last-child {
    grid-column: span 2;
  }
}
.page-contact .contact-prep__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--bone);
}
.page-contact .contact-prep__list li > span {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  border: 1.5px solid var(--lime);
  border-radius: 2px;
  background: rgba(198, 242, 78, 0.09);
  position: relative;
  transition: background-color .24s var(--ease);
}
.page-contact .contact-prep__list li:hover > span {
  background: rgba(198, 242, 78, 0.24);
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  background: linear-gradient(180deg, transparent 0%, rgba(16, 19, 18, 0.55) 36%, transparent 100%);
}
.page-contact .contact-reach__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .page-contact .contact-reach__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    align-items: stretch;
    gap: clamp(24px, 3.6vw, 48px);
  }
}
.page-contact .contact-reach__panel {
  padding: clamp(22px, 3.4vw, 40px);
  border-radius: var(--radius);
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  align-content: start;
}
.page-contact .contact-reach__row + .contact-reach__row {
  padding-top: clamp(16px, 2.4vw, 24px);
  border-top: 1px solid rgba(12, 31, 26, 0.16);
}
.page-contact .contact-reach__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: rgba(12, 31, 26, 0.55);
}
.page-contact .contact-reach__value {
  margin: 8px 0 6px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .contact-reach__value--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.005em;
  font-size: clamp(1.02rem, 2vw, 1.34rem);
}
.page-contact .contact-reach__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  font-style: italic;
  color: rgba(12, 31, 26, 0.62);
}
.page-contact .contact-figure--reach {
  display: flex;
  flex-direction: column;
}
.page-contact .contact-figure--reach img {
  flex: 1 1 auto;
  min-height: 220px;
  height: 100%;
}

/* ---------- 引用与标注 ---------- */
.page-contact .contact-cite__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 48px);
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .page-contact .contact-cite__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.32fr);
    align-items: start;
    gap: clamp(32px, 5vw, 84px);
  }
}
.page-contact .contact-cite__head .headline {
  margin: 8px 0 14px;
}
.page-contact .contact-cite__list {
  display: grid;
  gap: 14px;
}
.page-contact .contact-cite__item {
  display: grid;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 22px) clamp(18px, 2.6vw, 26px);
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--coral);
  border-radius: var(--radius);
  transition: background-color .26s var(--ease), border-left-color .26s var(--ease);
}
.page-contact .contact-cite__item:hover,
.page-contact .contact-cite__item:focus-within {
  background: rgba(198, 242, 78, 0.13);
  border-left-color: var(--lime);
}
.page-contact .contact-cite__item .tag {
  justify-self: start;
}
.page-contact .contact-cite__item p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--bone);
  max-width: 54ch;
}

/* ---------- 反馈与纠错 ---------- */
.page-contact .contact-feedback__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .page-contact .contact-feedback__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    align-items: start;
    gap: clamp(32px, 5vw, 84px);
  }
}
.page-contact .contact-feedback__intro .headline {
  margin: 8px 0 14px;
}
.page-contact .contact-feedback__list {
  display: grid;
  gap: 0;
}
.page-contact .contact-feedback__item {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .contact-feedback__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}
@media (min-width: 640px) {
  .page-contact .contact-feedback__item {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}
.page-contact .contact-feedback__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--lime);
}
.page-contact .contact-feedback__item p:last-child {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--mute);
  max-width: 52ch;
}

/* ---------- 收束 ---------- */
.page-contact .contact-outro__inner {
  padding: clamp(26px, 4vw, 56px);
  border-radius: var(--radius);
  display: grid;
  gap: 14px;
}
.page-contact .contact-outro__inner .kicker {
  margin: 0;
}
.page-contact .contact-outro__inner .headline {
  margin: 0;
}
.page-contact .contact-outro__inner .lede {
  margin: 0;
  max-width: 64ch;
}
.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 480px) {
  .page-contact .contact-step {
    padding-left: 20px;
  }
  .page-contact .contact-reach__panel {
    padding: 20px 18px;
  }
  .page-contact .contact-reach__value--mono {
    font-size: 1rem;
    word-break: break-all;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-type,
  .page-contact .contact-step,
  .page-contact .contact-cite__item {
    transition: none;
  }
  .page-contact .contact-type:hover,
  .page-contact .contact-type:focus-within {
    transform: none;
  }
}