.page-contact {
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .section {
  padding: 56px 0;
}

.page-contact .band-ink2 {
  background: var(--ink-2);
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  margin: 0;
}

.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 6.4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .prose {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
  max-width: 34em;
  margin: 16px 0 0;
}

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

.page-contact .media-frame {
  box-shadow: var(--shadow-hard-dark);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero-wrap {
  padding: 24px 0 52px;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(53, 224, 208, 0.12), transparent 62%),
    var(--ink);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-contact .breadcrumbs a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-strong);
  padding-bottom: 1px;
}

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

.page-contact .contact-hero {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 9vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--orange);
}

.page-contact .contact-hero__lead .lead {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray);
  margin: 18px 0 0;
}

.page-contact .channel-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .channel {
  padding: 16px 16px 18px;
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
}

.page-contact .channel--mail {
  border-color: var(--orange);
  background: linear-gradient(158deg, #103255 0%, #0a2138 100%);
}

.page-contact .channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
}

.page-contact .channel__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .channel__note {
  font-size: 12px;
  color: var(--gray);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.8vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--paper);
  word-break: break-all;
}

.page-contact .channel__value--sm {
  font-size: clamp(15px, 4vw, 20px);
  line-height: 1.6;
  color: var(--paper);
  word-break: normal;
}

.page-contact .pc-copy {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--amber);
  border: 2px solid var(--black);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .pc-copy:hover {
  background: var(--aurora);
  transform: translate(-1px, -1px);
  box-shadow: 5px 6px 0 var(--black);
}

.page-contact .pc-copy:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 2px 0 var(--black);
}

.page-contact .pc-copy:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
}

.page-contact .pc-copy[data-copied] {
  background: var(--aurora);
  color: var(--ink);
}

/* 首屏侧栏 */

.page-contact .hero-aside {
  display: grid;
  gap: 14px;
}

.page-contact .hero-aside__figure {
  margin: 0;
}

.page-contact .hero-aside__card {
  border: 2px solid var(--line-strong);
  border-top: 4px solid var(--orange);
  background: rgba(14, 42, 71, 0.86);
  padding: 18px 18px 20px;
}

.page-contact .hero-aside__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--aurora);
  margin: 0 0 12px;
}

.page-contact .hero-aside__list {
  list-style: none;
  counter-reset: aside;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .hero-aside__list li {
  counter-increment: aside;
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .hero-aside__list li::before {
  content: "0" counter(aside);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  line-height: 1.7;
}

.page-contact .hero-aside__more {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
  padding-bottom: 2px;
}

.page-contact .hero-aside__more:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 版本信息准备 ---------- */

.page-contact .split {
  display: grid;
  gap: 30px;
}

.page-contact .checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: 2px solid var(--line);
}

.page-contact .checklist__item:last-child {
  border-bottom: 2px solid var(--line);
}

.page-contact .checklist__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .checklist__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .checklist__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--gray);
}

.page-contact .split__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .split__foot a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
}

.page-contact .split__foot a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .split__figure {
  margin: 0;
}

/* ---------- 合作咨询 ---------- */

.page-contact .coop-head .prose {
  max-width: 42em;
}

.page-contact .coop-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 22px;
  border: 2px solid rgba(250, 247, 239, 0.16);
  background: linear-gradient(165deg, rgba(91, 127, 140, 0.28), rgba(7, 26, 47, 0.94));
}

.page-contact .coop-card:nth-child(1) {
  background: linear-gradient(165deg, rgba(53, 224, 208, 0.18), rgba(7, 26, 47, 0.94));
}

.page-contact .coop-card:nth-child(2) {
  background: linear-gradient(165deg, rgba(246, 184, 74, 0.18), rgba(7, 26, 47, 0.94));
}

.page-contact .coop-card:nth-child(3) {
  background: linear-gradient(165deg, rgba(255, 107, 44, 0.18), rgba(7, 26, 47, 0.94));
}

.page-contact .coop-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
  margin: 0;
}

.page-contact .coop-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  margin: 0;
  color: var(--paper);
}

.page-contact .coop-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .coop-card__meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(250, 247, 239, 0.62);
}

/* ---------- 服务时间 ---------- */

.page-contact .hours-grid {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .hours-stat {
  padding: 18px 18px 20px;
  border: 2px solid var(--line-strong);
  background: var(--ink);
}

.page-contact .hours-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
  word-break: break-word;
}

.page-contact .hours-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--gray);
}

/* ---------- 服务范围 ---------- */

.page-contact .coverage__grid {
  display: grid;
  gap: 32px;
}

.page-contact .coverage__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .coverage__facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 2px solid var(--line);
  font-size: 14px;
  color: var(--gray);
}

.page-contact .coverage__facts li:last-child {
  border-bottom: 2px solid var(--line);
}

.page-contact .coverage__num {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--orange);
  min-width: 76px;
}

.page-contact .coverage__link {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .coverage__link a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid var(--aurora);
}

.page-contact .coverage__link a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-contact .coverage__map {
  border: 2px solid var(--line-strong);
  background:
    radial-gradient(80% 70% at 35% 60%, rgba(53, 224, 208, 0.1), transparent 70%),
    var(--ink-2);
  padding: 18px;
}

.page-contact .signal-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .coverage__caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 文档入口 ---------- */

.page-contact .contact-legal {
  background: var(--paper);
  color: var(--black);
}

.page-contact .contact-legal__inner {
  display: grid;
  gap: 24px;
}

.page-contact .contact-legal__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--black);
}

.page-contact .contact-legal__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(16, 24, 32, 0.72);
  max-width: 30em;
}

.page-contact .contact-legal__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--line-paper);
}

.page-contact .contact-legal__links li {
  border-bottom: 2px solid var(--line-paper);
}

.page-contact .contact-legal__links a {
  display: block;
  padding: 14px 0 14px 2px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--black);
  text-decoration: none;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-contact .contact-legal__links a:hover,
.page-contact .contact-legal__links a:focus-visible {
  color: #1c5b6b;
  padding-left: 10px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .channel-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .channel--address {
    grid-column: 1 / -1;
  }

  .page-contact .checklist__item {
    grid-template-columns: 44px 1fr;
  }
}

@media (min-width: 760px) {
  .page-contact .section {
    padding: 76px 0;
  }

  .page-contact .contact-hero-wrap {
    padding-bottom: 68px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .hours-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding: 88px 0;
  }

  .page-contact .contact-hero {
    grid-template-columns: 1.25fr 0.75fr;
    gap: 44px;
    align-items: start;
  }

  .page-contact .hero-aside__figure img {
    aspect-ratio: 12 / 7;
  }

  .page-contact .split {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .split__figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .coverage__grid {
    grid-template-columns: 1fr 0.92fr;
    gap: 48px;
    align-items: center;
  }

  .page-contact .contact-legal__inner {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-copy,
  .page-contact .contact-legal__links a {
    transition: none;
  }

  .page-contact .pc-copy:hover,
  .page-contact .pc-copy:active {
    transform: none;
  }
}