.page-contact {
  --pc-block: clamp(3.25rem, 7vw, 6.25rem);
  --pc-gap: clamp(1.25rem, 3vw, 2.25rem);
  color: var(--c-text);
}

.page-contact .breadcrumb {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

.page-contact .inline-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 216, 224, .45);
  padding-bottom: 1px;
  transition: border-color .25s var(--ease), color .25s var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  border-bottom-color: var(--c-cyan);
  color: var(--c-cyan-soft);
}

.page-contact .inline-link:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: var(--pc-gap);
  padding-block: clamp(1.5rem, 4vw, 2.5rem) var(--pc-block);
  align-items: center;
}

.page-contact .contact-hero__kicker {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--c-cyan);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 7vw, 3.35rem);
  line-height: 1.16;
  letter-spacing: .02em;
}

.page-contact .contact-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 34em;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--c-dim);
}

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

.page-contact .contact-hero__chips li {
  padding: .38rem .9rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  font-size: .8rem;
  letter-spacing: .02em;
  color: var(--c-dim);
  background: rgba(18, 38, 58, .6);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 11;
  background:
    radial-gradient(circle at 50% 50%, rgba(37, 216, 224, .16), transparent 64%),
    var(--c-ink-2);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels,
.page-contact .contact-need,
.page-contact .contact-collab,
.page-contact .contact-rhythm {
  padding-block-start: var(--pc-block);
}

.page-contact .contact-rhythm {
  padding-block-end: var(--pc-block);
}

.page-contact .contact-channels .section-head,
.page-contact .contact-need .section-head,
.page-contact .contact-rhythm .section-head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .channel-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-line);
}

.page-contact .channel {
  background: var(--c-ink-2);
  padding: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: .6rem;
  border-top: 3px solid transparent;
  transition: background .25s var(--ease);
}

.page-contact .channel--cyan {
  border-top-color: var(--c-cyan);
}

.page-contact .channel--amber {
  border-top-color: var(--c-amber);
}

.page-contact .channel--plain {
  border-top-color: var(--c-line);
}

.page-contact .channel:hover {
  background: #162E45;
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--c-dim);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.98rem, 2.5vw, 1.32rem);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--c-text);
  word-break: break-all;
}

.page-contact .channel__value--addr {
  font-family: var(--font-body);
  font-size: clamp(.95rem, 2.2vw, 1.08rem);
  line-height: 1.75;
  word-break: normal;
}

.page-contact .channel__value a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 216, 224, .45);
  padding-bottom: 2px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .channel__value a:hover {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

.page-contact .channel__value a:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 3px;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .channel__meta {
  margin: auto 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--c-line);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--c-dim);
}

/* ---------- 需求分类 ---------- */
.page-contact .need-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .need {
  display: grid;
  gap: 1rem;
  padding: clamp(1.4rem, 3.5vw, 2.25rem) 0;
  border-bottom: 1px solid var(--c-line);
  transition: background .25s var(--ease);
}

.page-contact .need:hover {
  background: rgba(18, 38, 58, .55);
}

.page-contact .need__head {
  display: flex;
  flex-direction: column;
  gap: .65rem;
}

.page-contact .need__tag {
  align-self: flex-start;
  padding: .3rem .8rem;
  border: 1px solid rgba(37, 216, 224, .5);
  border-radius: var(--radius-pill);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--c-cyan);
  background: rgba(37, 216, 224, .08);
}

.page-contact .need__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 3vw, 1.32rem);
  line-height: 1.5;
  letter-spacing: .01em;
}

.page-contact .need__body {
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.page-contact .need__text {
  margin: 0;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--c-dim);
}

.page-contact .need__prep {
  margin: 0;
  padding-left: .9rem;
  border-left: 2px solid var(--c-line);
  font-size: .85rem;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .need__sample {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.page-contact .need__sample-label {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--c-amber);
}

.page-contact .need__code {
  display: block;
  padding: .6rem .85rem;
  border: 1px solid rgba(242, 164, 92, .35);
  border-radius: var(--radius-md);
  background: rgba(242, 164, 92, .08);
  font-family: var(--font-mono);
  font-size: .84rem;
  line-height: 1.6;
  color: var(--c-text);
  word-break: break-all;
}

/* ---------- 合作与内容对接 ---------- */
.page-contact .contact-collab__inner {
  display: grid;
  gap: var(--pc-gap);
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(37, 216, 224, .14), transparent 55%),
    linear-gradient(140deg, var(--c-ink-2), var(--c-ink));
}

.page-contact .contact-collab__title {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 4vw, 1.95rem);
  line-height: 1.35;
  letter-spacing: .02em;
}

.page-contact .contact-collab__text {
  margin: 1rem 0 0;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--c-dim);
}

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

.page-contact .collab-link {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  padding: 1.05rem 1.2rem;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  background: rgba(11, 22, 34, .5);
  text-decoration: none;
  color: inherit;
  transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-contact .collab-link:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
  background: rgba(18, 38, 58, .85);
}

.page-contact .collab-link:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 3px;
}

.page-contact .collab-link__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: .04em;
  color: var(--c-cyan);
}

.page-contact .collab-link__desc {
  font-size: .88rem;
  line-height: 1.75;
  color: var(--c-dim);
}

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm-list {
  list-style: none;
  margin: 0 0 clamp(1.4rem, 4vw, 2.25rem);
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-line);
}

.page-contact .rhythm-item {
  background: var(--c-ink-2);
  padding: clamp(1.15rem, 2.6vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.page-contact .rhythm-item__step {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--c-amber);
}

.page-contact .rhythm-item__step-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: .02em;
}

.page-contact .rhythm-item__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .rhythm-figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-ink-2);
}

.page-contact .rhythm-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .rhythm-note {
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  max-width: 62em;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--c-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-contact .contact-hero__figure {
    aspect-ratio: 1 / 1;
  }

  .page-contact .channel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .need {
    grid-template-columns: minmax(0, 3fr) minmax(0, 5fr) minmax(0, 4fr);
    gap: clamp(1.25rem, 3vw, 3rem);
    align-items: start;
  }

  .page-contact .contact-collab__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
  }

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

@media (min-width: 1180px) {
  .page-contact .need {
    grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3.5fr);
  }
}