.page-contact {
  background: var(--paper-50);
  color: var(--text-900);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: var(--s-28) 0 var(--s-40);
  color: var(--text-invert);
  background:
    radial-gradient(120% 160% at 4% -12%, rgba(47, 227, 196, .20), transparent 56%),
    radial-gradient(90% 130% at 104% 4%, rgba(255, 122, 47, .18), transparent 60%),
    var(--ink-950);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--hair-ink);
}

.page-contact .contact-hero__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-12);
  margin-bottom: var(--s-28);
}

.page-contact .contact-hero__stamp {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  background: var(--glass);
  color: var(--cyan-200);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
}

.page-contact .contact-hero h1 {
  max-width: 20ch;
  margin: 0 0 var(--s-16);
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: #fff;
}

.page-contact .contact-hero__lead {
  max-width: 58ch;
  margin: 0 0 var(--s-40);
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 240, 247, .84);
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: var(--s-20);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--s-28) var(--s-20) var(--s-20);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(255, 255, 255, .17), rgba(255, 255, 255, .05));
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--cyan-400), rgba(47, 227, 196, 0) 72%);
}

.page-contact .contact-card--phone::before {
  background: linear-gradient(90deg, var(--orange-500), rgba(255, 122, 47, 0) 72%);
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-12);
  margin-bottom: var(--s-16);
}

.page-contact .contact-card__idx {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--cyan-400);
}

.page-contact .contact-card--phone .contact-card__idx {
  color: var(--orange-500);
}

.page-contact .contact-card__title {
  margin: 0 0 var(--s-12);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.page-contact .contact-card__value {
  margin: 0 0 var(--s-12);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--cyan-200);
  overflow-wrap: anywhere;
}

.page-contact .contact-card--phone .contact-card__value {
  color: var(--orange-100);
}

.page-contact .contact-card__desc {
  flex: 1 1 auto;
  margin: 0 0 var(--s-20);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 240, 247, .78);
}

.page-contact .contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-12);
}

/* ---------- 渠道信息图 ---------- */
.page-contact .contact-visual {
  padding: var(--s-40) 0 0;
}

.page-contact .contact-visual__frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: var(--ink-800);
}

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

.page-contact .contact-visual__cap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--s-12);
  padding: var(--s-12) var(--s-16);
  border-top: 1px solid var(--hair-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan-200);
}

/* ---------- 章节通用 ---------- */
.page-contact .contact-block {
  padding: var(--s-40) 0;
}

.page-contact .contact-block + .contact-block {
  border-top: 1px solid var(--paper-200);
}

.page-contact .contact-block .section__num {
  display: block;
  margin-bottom: var(--s-12);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--orange-500);
}

.page-contact .contact-block .section__title {
  margin: 0 0 var(--s-12);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-900);
}

.page-contact .contact-block .section__lead {
  max-width: 56ch;
  margin: 0 0 var(--s-28);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-500);
}

.page-contact .contact-text {
  max-width: 62ch;
  margin: 0 0 var(--s-16);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-900);
}

.page-contact .contact-text:last-child {
  margin-bottom: 0;
}

/* ---------- 01 通信地址 ---------- */
.page-contact .contact-address {
  display: grid;
  gap: var(--s-20);
}

.page-contact .contact-address__card {
  padding: var(--s-20);
  border: 1px solid var(--paper-200);
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius-sm);
  background: linear-gradient(140deg, #ffffff, rgba(255, 227, 210, .55));
}

.page-contact .contact-address__label {
  display: block;
  margin-bottom: var(--s-12);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange-700);
}

.page-contact .contact-address__value {
  margin: 0 0 var(--s-16);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-900);
}

/* ---------- 02 受理范围 ---------- */
.page-contact .contact-scope {
  display: grid;
  gap: var(--s-20);
}

.page-contact .contact-scope__col {
  padding: var(--s-20);
  border: 1px solid var(--paper-200);
  border-radius: var(--radius-sm);
  background: #ffffff;
}

.page-contact .contact-scope__col h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 var(--s-12);
  font-size: 17px;
  font-weight: 700;
  color: var(--text-900);
}

.page-contact .contact-scope__col h3::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan-400);
}

.page-contact .contact-scope__col--phone h3::before {
  background: var(--orange-500);
}

.page-contact .contact-scope__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-scope__col li {
  position: relative;
  padding: var(--s-12) 0 var(--s-12) var(--s-20);
  border-top: 1px solid var(--paper-200);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-900);
}

.page-contact .contact-scope__col li:first-child {
  border-top: 0;
}

.page-contact .contact-scope__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--s-12) + 9px);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-contact .contact-scope__col--phone li::before {
  background: var(--orange-500);
}

.page-contact .contact-scope__note {
  margin: var(--s-20) 0 0;
  padding: var(--s-16) var(--s-20);
  border-left: 3px solid var(--cyan-400);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: #ffffff;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-500);
}

/* ---------- 03 合作共建 ---------- */
.page-contact .contact-coop {
  display: grid;
  gap: var(--s-28);
}

.page-contact .contact-coop__list {
  margin: var(--s-16) 0 var(--s-20);
  padding: 0;
  list-style: none;
  counter-reset: coop;
}

.page-contact .contact-coop__list li {
  position: relative;
  margin-bottom: var(--s-12);
  padding-left: var(--s-28);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-900);
}

.page-contact .contact-coop__list li:last-child {
  margin-bottom: 0;
}

.page-contact .contact-coop__list li::before {
  counter-increment: coop;
  content: counter(coop, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan-600);
}

.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-16);
}

.page-contact .contact-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(12, 140, 121, .32);
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan-600);
  text-decoration: none;
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  color: var(--orange-700);
  border-bottom-color: var(--orange-500);
}

.page-contact .contact-link--ink {
  color: var(--cyan-200);
  border-bottom-color: rgba(155, 243, 228, .42);
}

.page-contact .contact-link--ink:hover,
.page-contact .contact-link--ink:focus-visible {
  color: var(--orange-100);
  border-bottom-color: var(--orange-500);
}

.page-contact .contact-coop__side {
  display: grid;
  gap: var(--s-12);
}

.page-contact .contact-coop__stat {
  display: flex;
  align-items: baseline;
  gap: var(--s-12);
  padding: var(--s-16) var(--s-20);
  border: 1px solid var(--paper-200);
  border-radius: var(--radius-sm);
  background: #ffffff;
}

.page-contact .contact-coop__stat-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--orange-500);
  letter-spacing: .02em;
}

.page-contact .contact-coop__stat-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-500);
}

/* ---------- 04 来信准备 ---------- */
.page-contact .contact-prepare {
  display: grid;
  gap: var(--s-28);
}

.page-contact .contact-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--s-16);
  padding: var(--s-16) 0;
  border-top: 1px solid var(--paper-200);
}

.page-contact .contact-checklist li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-checklist__num {
  flex: none;
  min-width: 32px;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--orange-500);
}

.page-contact .contact-checklist__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-900);
}

.page-contact .contact-prepare__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--paper-200);
  border-radius: var(--radius);
  background: #ffffff;
}

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

/* ---------- 结尾 ---------- */
.page-contact .contact-cta {
  padding: var(--s-40) 0 var(--s-56);
}

.page-contact .contact-cta__inner {
  padding: var(--s-28) var(--s-20);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  color: var(--text-invert);
  background:
    radial-gradient(120% 160% at 100% 0%, rgba(255, 122, 47, .22), transparent 62%),
    var(--ink-800);
}

.page-contact .contact-cta__title {
  margin: 0 0 var(--s-12);
  font-size: 20px;
  font-weight: 700;
  color: #ffffff;
}

.page-contact .contact-cta__text {
  max-width: 56ch;
  margin: 0 0 var(--s-20);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 240, 247, .82);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-20);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: var(--s-40) 0 var(--s-56);
  }

  .page-contact .contact-hero h1 {
    font-size: 40px;
    max-width: 24ch;
  }

  .page-contact .contact-cards {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
    gap: var(--s-28);
    align-items: start;
  }

  .page-contact .contact-card--phone {
    margin-top: 44px;
  }

  .page-contact .contact-block {
    padding: var(--s-56) 0;
  }

  .page-contact .contact-block .section__title {
    font-size: 32px;
  }

  .page-contact .contact-address {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: var(--s-40);
    align-items: start;
  }

  .page-contact .contact-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--s-20);
  }

  .page-contact .contact-coop {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    gap: var(--s-40);
    align-items: start;
  }

  .page-contact .contact-prepare {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--s-40);
    align-items: start;
  }

  .page-contact .contact-cta__inner {
    padding: var(--s-40);
  }

  .page-contact .contact-cta__title {
    font-size: 24px;
  }
}

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