.page-contact {
  --pc-shadow: 6px 6px 0 rgba(11, 30, 45, .45), 10px 10px 0 rgba(216, 201, 172, .1);
  background: var(--night);
  color: var(--text);
  overflow-x: hidden;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .contact-line {
  font-family: var(--font-num);
  font-size: 1.0625rem;
  letter-spacing: .02em;
  word-break: break-word;
}

.page-contact .contact-line--text {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
}

.page-contact .contact-line--inline {
  color: var(--cyan);
  font-size: .95rem;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: 5.5rem 0 3rem;
  background:
    radial-gradient(120% 85% at 88% 0%, rgba(53, 224, 200, .16), transparent 62%),
    linear-gradient(180deg, var(--night) 0%, var(--night) 58%, var(--ink-green) 100%);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--cyan) 55%, transparent);
  opacity: .7;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 2.25rem;
}

.page-contact .contact-hero__title {
  margin: .5rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lead {
  max-width: 44ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--ink-green);
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-hero__figure .figure__media img {
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(.62) contrast(1.05);
}

.page-contact .figure__mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 224, 200, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 224, 200, .12) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.page-contact .figure__tag {
  position: absolute;
  top: .85rem;
  left: .85rem;
}

.page-contact .figure__cap {
  padding: .7rem .9rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 通用区块头 ---------- */

.page-contact .contact-sec-head {
  max-width: 62ch;
  margin-bottom: 2rem;
}

.page-contact .contact-sec-head h2 {
  margin: .35rem 0 .65rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-sec-head__lead,
.page-contact .contact-sec-head > p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

/* ---------- 合作方向 + 联系卡 ---------- */

.page-contact .contact-paths__grid {
  display: grid;
  gap: 2rem;
}

.page-contact .contact-paths__list {
  display: grid;
  gap: .75rem;
}

.page-contact .dir-item {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-deep);
  box-shadow: var(--pc-shadow);
}

.page-contact .dir-item[open] {
  border-color: var(--cyan);
}

.page-contact .dir-item__summary {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  grid-template-areas:
    "no name"
    ".  tag";
  gap: .3rem .8rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .dir-item__no {
  grid-area: no;
  font-family: var(--font-num);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brick);
}

.page-contact .dir-item__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
}

.page-contact .dir-item__summary .tag {
  grid-area: tag;
  justify-self: start;
}

.page-contact .dir-item__body {
  padding: 0 1.1rem 1.2rem;
}

.page-contact .dir-item__body > p {
  margin: 0 0 1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: #2a3238;
}

.page-contact .dir-item__meta {
  display: grid;
  gap: .6rem;
  margin: 0;
  padding-top: .9rem;
  border-top: 1px dashed rgba(16, 20, 24, .22);
}

.page-contact .dir-item__meta > div {
  display: grid;
  gap: .15rem;
}

.page-contact .dir-item__meta dt {
  font-size: .7rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #6c7a83;
}

.page-contact .dir-item__meta dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .dir-item__meta dd:first-of-type {
  font-weight: 600;
}

/* 联系卡 */

.page-contact .contact-card {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-deep);
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-card__head {
  padding: 1rem 1.35rem 1.1rem;
  background: var(--ink-green);
  border-bottom: 3px solid var(--cyan);
}

.page-contact .contact-card__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-card__head p {
  margin: .25rem 0 0;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .contact-card__body {
  padding: 1.35rem;
}

.page-contact .contact-card__list {
  display: grid;
  gap: .1rem;
  margin: 0 0 1.15rem;
}

.page-contact .contact-card__row {
  display: grid;
  gap: .2rem;
  padding: .7rem 0;
  border-bottom: 1px solid rgba(16, 20, 24, .12);
}

.page-contact .contact-card__row:last-child {
  border-bottom: 0;
}

.page-contact .contact-card__row dd {
  margin: 0;
  color: var(--ink);
}

.page-contact .contact-card__row dt {
  color: #6c7a83;
}

.page-contact .contact-card__note {
  margin: 0 0 .75rem;
  font-size: .875rem;
  line-height: 1.75;
  color: #3a434a;
}

.page-contact .contact-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px dashed rgba(16, 20, 24, .22);
}

/* ---------- 合作流程 ---------- */

.page-contact .contact-flow {
  background: linear-gradient(180deg, var(--night) 0%, var(--ink-green) 100%);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .flow-head {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

.page-contact .flow-head h2 {
  margin: .35rem 0 .65rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .flow-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .flow-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  background: var(--night);
}

.page-contact .flow-figure .figure__media img {
  width: 100%;
  aspect-ratio: 22 / 15;
  object-fit: cover;
  filter: saturate(.55);
}

.page-contact .flow {
  display: grid;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .flow__item {
  position: relative;
  padding: 2rem 1.1rem 1.1rem;
  border-top: 1px solid rgba(216, 201, 172, .35);
}

.page-contact .flow__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 1.1rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(11, 30, 45, .9);
}

.page-contact .flow__no {
  display: block;
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .flow__title {
  margin: .55rem 0 .3rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .flow__time {
  margin: 0 0 .6rem;
  font-family: var(--font-num);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-contact .flow__desc {
  margin: 0 0 .9rem;
  font-size: .9125rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .flow__detail {
  border-top: 1px dashed rgba(216, 201, 172, .28);
}

.page-contact .flow__detail > summary {
  padding: .7rem 0;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--paper-deep);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .flow__detail > summary::before {
  content: "+ ";
  font-family: var(--font-num);
  color: var(--cyan);
}

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

.page-contact .flow__detail .detail__body {
  padding: 0 0 .85rem;
}

.page-contact .flow__list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 数据修正 + 时效 ---------- */

.page-contact .contact-fix__grid {
  display: grid;
  gap: 2rem;
}

.page-contact .fix-card h2,
.page-contact .reply-card h2 {
  margin: .35rem 0 .85rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .fix-card > p {
  margin: 0 0 1.25rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .fix-steps {
  display: grid;
  gap: .85rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .fix-steps li {
  display: grid;
  grid-template-columns: 1.85rem minmax(0, 1fr);
  gap: .8rem;
  align-items: start;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--text);
}

.page-contact .fix-steps__no {
  display: grid;
  place-items: center;
  width: 1.85rem;
  height: 1.85rem;
  font-family: var(--font-num);
  font-size: .875rem;
  font-weight: 700;
  color: var(--night);
  background: var(--cyan);
}

.page-contact .fix-card__foot {
  margin: 0;
  padding-top: 1rem;
  font-size: .875rem;
  line-height: 1.8;
  color: var(--muted);
  border-top: 1px dashed rgba(216, 201, 172, .3);
}

.page-contact .reply-card {
  padding: 1.5rem;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--paper-deep);
  box-shadow: var(--pc-shadow);
}

.page-contact .reply-card h2 {
  color: var(--ink);
}

.page-contact .reply-card p {
  margin: 0 0 .9rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: #2a3238;
}

.page-contact .reply-card__big {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  margin: 1rem 0 1rem;
}

.page-contact .reply-num {
  font-family: var(--font-num);
  font-size: clamp(2.6rem, 7vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--brick);
}

.page-contact .reply-unit {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .reply-card__band {
  margin: 1.1rem 0;
  padding: .95rem 1rem;
  background: rgba(232, 176, 75, .16);
  border-left: 3px solid var(--gold);
}

.page-contact .reply-card__band p {
  margin: .5rem 0 0;
  font-size: .875rem;
}

.page-contact .reply-card__foot {
  margin: .9rem 0 0;
  padding-top: .9rem;
  font-size: .875rem;
  border-top: 1px dashed rgba(16, 20, 24, .22);
}

.page-contact .reply-card__foot a {
  color: #0d6156;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 常见问题 ---------- */

.page-contact .faq-list {
  display: grid;
  gap: .75rem;
}

.page-contact .faq-item {
  background: rgba(16, 49, 43, .55);
  border: 1px solid var(--line-dark);
}

.page-contact .faq-item[open] {
  border-color: rgba(53, 224, 200, .55);
  background: rgba(16, 49, 43, .8);
}

.page-contact .faq-item > summary {
  padding: 1.05rem 1.2rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .faq-item__q {
  display: block;
  position: relative;
  padding-right: 1.75rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-family: var(--font-num);
  color: var(--cyan);
}

.page-contact .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-contact .faq-item .detail__body {
  padding: 0 1.2rem 1.2rem;
}

.page-contact .faq-item .detail__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 底部色带 ---------- */

.page-contact .contact-band {
  background: linear-gradient(100deg, var(--ink-green) 0%, var(--night) 52%, var(--ink-green) 100%);
  border-top: 3px solid var(--gold);
}

.page-contact .contact-band__inner {
  display: grid;
  gap: 1.5rem;
  padding-top: 2.75rem;
  padding-bottom: 2.75rem;
}

.page-contact .contact-band__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  font-weight: 800;
  color: var(--paper);
}

.page-contact .contact-band__text {
  max-width: 58ch;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  align-content: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .dir-item__summary {
    grid-template-columns: 2.1rem minmax(0, 1fr) auto;
    grid-template-areas: "no name tag";
    align-items: center;
    padding: 1.1rem 1.25rem;
  }

  .page-contact .dir-item__summary .tag {
    justify-self: end;
  }

  .page-contact .dir-item__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-contact .contact-card__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 6.5rem 0 4rem;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 3rem;
    align-items: center;
  }

  .page-contact .flow-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 2.5rem;
    align-items: end;
  }

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

  .page-contact .flow__item {
    padding: 2.25rem 1.35rem 1.2rem;
    border-top: 1px solid rgba(216, 201, 172, .35);
    border-right: 1px solid rgba(216, 201, 172, .16);
  }

  .page-contact .flow__item:last-child {
    border-right: 0;
  }

  .page-contact .contact-band__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-paths__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 6.5rem;
  }

  .page-contact .contact-fix__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 2.5rem;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir-item,
  .page-contact .faq-item,
  .page-contact .contact-card {
    transition: none;
  }
}