.page-contact {
  --pc-pad: clamp(1.4rem, 3vw, 2.6rem);
}

/* ---------- 首屏 ---------- */
.page-contact .breadcrumbs {
  margin-top: clamp(1rem, 3vw, 1.8rem);
}

.page-contact .contact-hero {
  padding-top: clamp(1.4rem, 3vw, 2.4rem);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3.2rem);
  align-items: center;
}

.page-contact .contact-hero__copy h1 {
  margin: 0 0 clamp(.9rem, 2vw, 1.3rem);
  font-size: clamp(2.05rem, 5.6vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  font-weight: 900;
  color: var(--ink);
}

.page-contact .contact-hero__copy .section__lead {
  max-width: 46ch;
  margin: 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: clamp(1.5rem, 3.4vw, 2.2rem) 0 0;
  padding: 0;
  display: grid;
  gap: .5rem;
}

.page-contact .contact-hero__quick a {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  min-width: 0;
  padding: .72rem .9rem;
  border: 1px solid var(--line-soft);
  background: rgba(18, 60, 44, .26);
  color: var(--ink);
  font-size: .9rem;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color .24s var(--ease), color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease);
}

.page-contact .contact-hero__quick a:hover,
.page-contact .contact-hero__quick a:focus-visible {
  border-color: var(--cyan);
  background: rgba(18, 60, 44, .5);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .contact-hero__quick .num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--mint);
}

/* ---------- 框景 ---------- */
.page-contact .contact-frame {
  position: relative;
  margin: 0;
  padding: .7rem;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(18, 60, 44, .62), rgba(6, 20, 15, .96));
}

.page-contact .contact-frame::before {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  opacity: .72;
  background:
    linear-gradient(var(--cyan), var(--cyan)) left top / 16px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left top / 1px 16px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right top / 16px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right top / 1px 16px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left bottom / 16px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left bottom / 1px 16px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right bottom / 16px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right bottom / 1px 16px no-repeat;
}

.page-contact .contact-frame img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-frame__caption {
  padding: .8rem .4rem .2rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 索引 + 正文 两栏 ---------- */
.page-contact .layout-rail {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .coop-rail__label {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-contact .coop-index {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-index a {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  min-width: 0;
  padding: .78rem .2rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-contact .coop-index a:hover,
.page-contact .coop-index a:focus-visible {
  color: var(--cyan);
  padding-left: .55rem;
}

.page-contact .coop-index .num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: .06em;
}

.page-contact .coop-rail__card {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--flare);
  background: rgba(11, 36, 26, .72);
}

.page-contact .coop-rail__card p {
  margin: 0 0 .6rem;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .coop-rail__card a {
  font-family: var(--font-mono);
  font-size: .8rem;
  word-break: break-all;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 247, 212, .35);
}

.page-contact .coop-body {
  min-width: 0;
}

/* ---------- 合作条目 ---------- */
.page-contact .coop-item {
  padding: clamp(1.8rem, 4vw, 2.8rem) 0;
  border-top: 1px solid var(--line);
}

.page-contact .coop-item:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .coop-item__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
}

.page-contact .coop-item__title {
  margin: .4rem 0 .8rem;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .coop-item__lead {
  margin: 0 0 1.2rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 54ch;
}

.page-contact .coop-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-contact .coop-points li {
  position: relative;
  padding: .85rem 0 .85rem 1.5rem;
  border-top: 1px solid var(--line-soft);
  font-size: .95rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .coop-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.5rem;
  width: 8px;
  height: 1px;
  background: var(--mint);
}

.page-contact .coop-points strong {
  display: inline-block;
  margin-right: .5rem;
  padding: .1rem .5rem;
  border: 1px solid rgba(14, 217, 165, .4);
  background: rgba(14, 217, 165, .1);
  color: var(--mint);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  vertical-align: middle;
}

.page-contact .coop-points a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 247, 212, .35);
}

.page-contact .coop-points a:hover,
.page-contact .coop-points a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .coop-figure {
  margin: 1.4rem 0 0;
}

.page-contact .coop-figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-contact .coop-item__fit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 1.2rem 0 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 流程时间轴 ---------- */
.page-contact .flow-section {
  background: linear-gradient(180deg, rgba(11, 36, 26, 0), rgba(11, 36, 26, .78) 45%, rgba(11, 36, 26, 0));
}

.page-contact .flow-list {
  position: relative;
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  padding: 0 0 0 2.2rem;
  display: grid;
  gap: 1.1rem;
}

.page-contact .flow-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: .9rem;
  bottom: .9rem;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), rgba(255, 176, 32, .12));
}

.page-contact .flow-step {
  position: relative;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line-soft);
  background: rgba(6, 20, 15, .62);
  transition: border-color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: -2.2rem;
  top: 1.5rem;
  width: 13px;
  height: 13px;
  background: var(--pitch-900);
  border: 1px solid var(--amber);
  transform: translateX(0);
}

.page-contact .flow-step:hover {
  border-color: rgba(255, 176, 32, .45);
  background: rgba(11, 36, 26, .85);
  transform: translateY(-2px);
}

.page-contact .flow-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .flow-step__title {
  margin: .45rem 0 .5rem;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-end {
  padding-top: clamp(2rem, 5vw, 3.4rem);
}

.page-contact .contact-cards {
  display: grid;
  gap: .9rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .contact-card {
  padding: 1.3rem 1.2rem 1.4rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: linear-gradient(170deg, rgba(18, 60, 44, .5), rgba(6, 20, 15, .9));
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
}

.page-contact .contact-card:last-child {
  border-top-color: var(--flare);
}

.page-contact .contact-card__label {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-contact .contact-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .contact-card__value--mail {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 247, 212, .4);
}

.page-contact .contact-card__value--addr {
  font-family: var(--font-sans);
  font-weight: 700;
  word-break: keep-all;
}

.page-contact .contact-card__note {
  margin: .8rem 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--line-soft);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .contact-end__tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-end__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.1rem;
}

.page-contact .contact-links a {
  font-size: .84rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-hero__quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .contact-frame img {
    aspect-ratio: 16 / 8;
  }

  .page-contact .coop-item {
    display: grid;
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 0 1.6rem;
  }

  .page-contact .coop-item__num {
    grid-column: 1;
    grid-row: 1;
    padding-top: .3rem;
  }

  .page-contact .coop-item__body {
    grid-column: 2;
    min-width: 0;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-contact .flow-list {
    padding-left: 0;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .9rem;
  }

  .page-contact .flow-list::before {
    left: 2%;
    right: 2%;
    top: 1.1rem;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--amber), rgba(255, 176, 32, .12));
  }

  .page-contact .flow-step {
    padding-top: 2.4rem;
  }

  .page-contact .flow-step::before {
    left: 0;
    top: .55rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .layout-rail {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__quick a,
  .page-contact .coop-index a,
  .page-contact .flow-step,
  .page-contact .contact-card {
    transition: none;
  }

  .page-contact .contact-hero__quick a:hover,
  .page-contact .flow-step:hover,
  .page-contact .contact-card:hover {
    transform: none;
  }
}