/* ===== 联系通道 /connect/ 页面专属样式 ===== */

.page-contact {
  --contact-gutter: clamp(18px, 4vw, 34px);
  --contact-pad: clamp(56px, 8vw, 108px);
  display: block;
  padding-top: clamp(88px, 11vw, 128px);
  background: var(--xc-paper);
  color: var(--xc-text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .container {
  padding-left: var(--contact-gutter);
  padding-right: var(--contact-gutter);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  max-width: var(--xc-shell);
  margin: 0 auto;
  padding: 0 var(--contact-gutter) clamp(20px, 3vw, 34px);
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--xc-muted);
}

.page-contact .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  color: var(--xc-line);
  letter-spacing: 0;
}

.page-contact .breadcrumbs a {
  color: var(--xc-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--xc-ease), border-color 0.2s var(--xc-ease);
}

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

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--xc-text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-opening {
  padding-bottom: clamp(44px, 6vw, 78px);
}

.page-contact .contact-opening__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-contact .contact-opening__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--xc-ink);
  max-width: 13em;
}

.page-contact .contact-opening__lead {
  margin: 0;
  max-width: 38em;
  line-height: 1.9;
  color: var(--xc-text);
}

/* ---------- 媒体容器 ---------- */
.page-contact .media-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--xc-stand-mid);
  border: 1px solid var(--xc-line);
}

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

.page-contact .contact-opening__figure {
  aspect-ratio: 16 / 11;
}

/* ---------- 展区编号与标题 ---------- */
.page-contact .section-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 6.4vw, 80px);
  line-height: 0.84;
  letter-spacing: -0.03em;
  color: rgba(20, 22, 26, 0.13);
  margin-bottom: 12px;
}

.page-contact .section-num--dark {
  color: rgba(244, 242, 238, 0.24);
}

.page-contact .contact-head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-contact .contact-head .xc-h2,
.page-contact .contact-subscribe .xc-h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--xc-ink);
}

.page-contact .contact-head__sub {
  margin: 0;
  max-width: 42em;
  color: var(--xc-muted);
  line-height: 1.8;
}

/* ---------- 01 问题类型 ---------- */
.page-contact .contact-routes-section {
  padding-bottom: var(--contact-pad);
}

.page-contact .contact-routes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--xc-line);
  border: 1px solid var(--xc-line);
}

.page-contact .contact-route {
  background: var(--xc-panel);
  padding: clamp(22px, 2.8vw, 34px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background-color 0.3s var(--xc-ease), box-shadow 0.3s var(--xc-ease);
}

.page-contact .contact-route:hover,
.page-contact .contact-route:focus-within {
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--xc-signal);
}

.page-contact .contact-route .tag {
  align-self: flex-start;
}

.page-contact .contact-route .xc-h3 {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--xc-ink);
}

.page-contact .contact-route p {
  margin: 0;
  line-height: 1.82;
  color: var(--xc-text);
}

.page-contact .contact-route__go {
  margin-top: auto;
  padding-top: 6px;
}

.page-contact .contact-flow {
  margin-top: clamp(28px, 4vw, 52px);
  aspect-ratio: 10 / 7;
}

/* ---------- 02 邮箱与电话 ---------- */
.page-contact .contact-ways {
  padding: var(--contact-pad) 0;
  background: var(--xc-panel);
  border-top: 1px solid var(--xc-line);
  border-bottom: 1px solid var(--xc-line);
}

.page-contact .contact-duty {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 8px 16px 8px 12px;
  border: 1px solid var(--xc-line);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--xc-text);
}

.page-contact .contact-duty__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--xc-lime);
  border: 1px solid rgba(20, 22, 26, 0.5);
}

.page-contact .contact-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--xc-line);
  border: 1px solid var(--xc-line);
}

.page-contact .contact-channel {
  background: var(--xc-paper);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .contact-channel__key {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--xc-muted);
  margin-bottom: 12px;
}

.page-contact .contact-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--xc-ink);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__meta {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--xc-muted);
}

/* ---------- 03 订阅提醒 ---------- */
.page-contact .contact-subscribe {
  padding: var(--contact-pad) 0;
}

.page-contact .contact-subscribe__grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-contact .contact-subscribe__grid > div > p {
  margin: 0 0 18px;
  max-width: 40em;
  line-height: 1.85;
  color: var(--xc-text);
}

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

.page-contact .contact-subscribe__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .contact-subscribe__list li {
  padding-left: 20px;
  border-left: 2px solid var(--xc-lake);
  line-height: 1.8;
  color: var(--xc-text);
}

/* ---------- 04 内容合作 ---------- */
.page-contact .contact-coop {
  padding: var(--contact-pad) 0;
  background: var(--xc-dusk);
  color: var(--xc-paper);
}

.page-contact .contact-coop .xc-h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--xc-paper);
}

.page-contact .contact-coop__lead {
  margin: 0 0 clamp(26px, 4vw, 42px);
  max-width: 60ch;
  line-height: 1.88;
  color: rgba(244, 242, 238, 0.84);
}

.page-contact .contact-coop__facts {
  list-style: none;
  margin: 0 0 clamp(30px, 4vw, 50px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(244, 242, 238, 0.2);
  border-top: 1px solid rgba(244, 242, 238, 0.2);
  border-bottom: 1px solid rgba(244, 242, 238, 0.2);
}

.page-contact .contact-coop__facts li {
  background: var(--xc-dusk);
  padding: clamp(20px, 2.6vw, 30px) clamp(18px, 2.4vw, 26px);
}

.page-contact .contact-coop__num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--xc-lime);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-coop__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: rgba(244, 242, 238, 0.76);
}

.page-contact .contact-coop__panels {
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .contact-coop__link {
  margin: clamp(26px, 3.6vw, 38px) 0 0;
}

.page-contact .contact-coop__link .link-line {
  color: var(--xc-paper);
  border-bottom-color: rgba(244, 242, 238, 0.55);
}

.page-contact .contact-coop__link .link-line:hover,
.page-contact .contact-coop__link .link-line:focus-visible {
  color: var(--xc-lime);
  border-bottom-color: var(--xc-lime);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-legal {
  padding: clamp(34px, 5vw, 58px) 0;
}

.page-contact .contact-legal__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 44px;
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--xc-muted);
}

/* ---------- 05 留言入口 ---------- */
.page-contact .contact-message {
  padding: var(--contact-pad) 0;
  background: var(--xc-stand-deep);
  color: var(--xc-paper);
}

.page-contact .contact-message__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .contact-message .xc-h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--xc-paper);
}

.page-contact .contact-message__copy p {
  margin: 0;
  max-width: 46ch;
  line-height: 1.88;
  color: rgba(244, 242, 238, 0.8);
}

.page-contact .contact-message__cta {
  position: relative;
  justify-self: start;
  display: inline-block;
  padding: 18px 40px;
  background: var(--xc-signal);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background-color 0.25s var(--xc-ease);
}

.page-contact .contact-message__cta::before,
.page-contact .contact-message__cta::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 18px;
  height: 18px;
  margin-top: -9px;
  border-radius: 50%;
  background: var(--xc-stand-deep);
}

.page-contact .contact-message__cta::before {
  left: -9px;
}

.page-contact .contact-message__cta::after {
  right: -9px;
}

.page-contact .contact-message__cta:hover,
.page-contact .contact-message__cta:focus-visible {
  background: var(--xc-signal-deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-contact .contact-flow {
    aspect-ratio: 10 / 6;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-opening__grid {
    grid-template-columns: minmax(0, 6.2fr) minmax(0, 5fr);
  }

  .page-contact .contact-opening__figure {
    aspect-ratio: 7 / 5;
  }

  .page-contact .contact-subscribe__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-contact .contact-message__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .contact-message__cta {
    justify-self: end;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-routes {
    gap: 1px;
  }

  .page-contact .contact-route {
    padding: 38px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}