/* =========================================================
   page-contact — 联系我们
   全部选择器限定在 .page-contact 作用域内
   ========================================================= */

.page-contact {
  --ct-panel: linear-gradient(180deg, rgba(21, 48, 43, 0.72), rgba(17, 20, 23, 0.94));
  --ct-edge: rgba(140, 154, 150, 0.18);
  --ct-lime-soft: rgba(198, 255, 61, 0.28);
  --ct-teal-soft: rgba(53, 224, 200, 0.38);
  padding-bottom: 8px;
}

/* ---------- 面包屑留白（给透明叠加导航让位） ---------- */
.page-contact .breadcrumbs {
  padding: calc(var(--hdr-sm) + 20px) 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 56px;
  background:
    radial-gradient(88% 68% at 86% 0%, rgba(198, 255, 61, 0.09), transparent 62%),
    radial-gradient(72% 62% at 4% 96%, rgba(53, 224, 200, 0.08), transparent 66%);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 154, 150, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 154, 150, 0.055) 1px, transparent 1px);
  background-size: 54px 54px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.14) 74%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.14) 74%, transparent 100%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-contact .contact-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--teal);
}

.page-contact .contact-hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--teal);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-size: clamp(30px, 6.2vw, 54px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.012em;
  color: var(--snow);
}

.page-contact .contact-hero__lead {
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: rgba(242, 247, 244, 0.84);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-contact .contact-hero__hint {
  margin: 0 0 28px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mute);
}

.page-contact .contact-hero__hint a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-teal-soft);
}

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

.page-contact .contact-hero__facts {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-fact__label {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.page-contact .contact-fact__value {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--snow);
}

.page-contact .contact-fact__value .num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .contact-fact__note {
  flex: 1 1 100%;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .contact-fact__note .num {
  font-size: inherit;
  color: inherit;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
}

.page-contact .contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--ct-edge);
  border-radius: 3px;
  box-shadow: var(--shadow-2);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime), transparent);
  opacity: 0.5;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-deck {
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px 24px;
  border: 1px solid var(--ct-edge);
  border-radius: 3px;
  background: var(--ct-panel);
  box-shadow: var(--shadow-1);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .channel-card--mail::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 2px;
  background: var(--lime);
}

@media (hover: hover) {
  .page-contact .channel-card:hover {
    border-color: var(--ct-lime-soft);
    box-shadow: var(--shadow-2);
    transform: translateY(-3px);
  }
}

.page-contact .channel-card:focus-within {
  border-color: var(--ct-lime-soft);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .channel-card__no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-0);
  background: var(--lime);
  padding: 3px 8px;
  border-radius: 2px;
}

.page-contact .channel-card__kind {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

.page-contact .channel-card__title {
  margin: 0;
  font-size: clamp(18px, 2.3vw, 21px);
  line-height: 1.42;
  font-weight: 800;
  color: var(--snow);
}

.page-contact .channel-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 247, 244, 0.78);
}

.page-contact .channel-value {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--ct-edge);
  border-left: 2px solid var(--teal);
  border-radius: 2px;
  background: rgba(11, 31, 26, 0.6);
}

.page-contact .channel-value__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

.page-contact .channel-value__text {
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.1vw, 17px);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.5;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .channel-copy {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  background: transparent;
  border: 1px solid var(--ct-teal-soft);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .channel-copy::before {
  content: "";
  width: 9px;
  height: 9px;
  border: 1.5px solid currentColor;
  border-radius: 1px;
}

.page-contact .channel-copy:hover {
  background: rgba(53, 224, 200, 0.1);
  border-color: var(--teal);
}

.page-contact .channel-copy:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .channel-card__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  padding-top: 14px;
  list-style: none;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 登记地址折叠 ---------- */
.page-contact .place-details {
  border: 1px solid var(--ct-edge);
  border-radius: 2px;
  background: rgba(11, 31, 26, 0.5);
}

.page-contact .place-details summary {
  padding: 12px 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--teal);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

.page-contact .place-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .place-details summary::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-contact .place-details[open] summary::after {
  content: "－";
}

.page-contact .place-details summary:hover {
  color: var(--lime);
}

.page-contact .place-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-contact .place-details__addr {
  margin: 0;
  padding: 12px 14px 14px;
  border-top: 1px solid var(--ct-edge);
  font-style: normal;
  font-size: 14px;
  line-height: 1.72;
  color: var(--snow);
}

/* ---------- 反馈要素 ---------- */
.page-contact .feedback-panel {
  display: grid;
  gap: 24px;
}

.page-contact .feedback-panel__media {
  margin: 0;
}

.page-contact .feedback-panel__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--ct-edge);
  border-radius: 3px;
  box-shadow: var(--shadow-1);
  filter: saturate(0.85);
}

.page-contact .feedback-rail {
  position: relative;
  min-width: 0;
}

.page-contact .feedback-list {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 2px 2px 16px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-contact .feedback-list::-webkit-scrollbar {
  height: 3px;
}

.page-contact .feedback-list::-webkit-scrollbar-track {
  background: rgba(140, 154, 150, 0.12);
}

.page-contact .feedback-list::-webkit-scrollbar-thumb {
  background: rgba(53, 224, 200, 0.5);
  border-radius: 2px;
}

.page-contact .feedback-item {
  flex: 0 0 auto;
  width: min(74vw, 262px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--ct-edge);
  border-top: 2px solid var(--teal);
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(21, 48, 43, 0.55), rgba(17, 20, 23, 0.9));
  box-shadow: var(--shadow-1);
}

.page-contact .feedback-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
}

.page-contact .feedback-item__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--snow);
}

.page-contact .feedback-item__body {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--mute);
}

/* ---------- 合作与线索 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: 18px;
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border: 1px solid var(--ct-edge);
  border-radius: 3px;
  background: var(--ct-panel);
  box-shadow: var(--shadow-1);
}

.page-contact .coop-card__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-0);
  background: var(--teal);
  padding: 3px 9px;
  border-radius: 2px;
}

.page-contact .coop-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--snow);
}

.page-contact .coop-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 247, 244, 0.78);
}

.page-contact .coop-card__body a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-teal-soft);
}

.page-contact .coop-card__body a:hover {
  border-bottom-color: var(--teal);
}

.page-contact .coop-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}

.page-contact .coop-note a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-teal-soft);
}

/* ---------- 底部登记信息 ---------- */
.page-contact .contact-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 56px 0 0;
  padding: 24px 0 40px;
  border-top: 1px solid var(--ct-edge);
  font-size: 12.5px;
  line-height: 1.72;
  color: rgba(140, 154, 150, 0.78);
}

.page-contact .contact-legal__icp {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .contact-legal a {
  color: rgba(140, 154, 150, 0.95);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-legal a:hover {
  color: var(--teal);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding: 40px 0 68px;
  }

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

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

  .page-contact .channel-card--mail {
    grid-column: span 2;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .breadcrumbs {
    padding-top: calc(var(--hdr) + 22px);
  }

  .page-contact .contact-hero {
    padding: 44px 0 86px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
  }

  .page-contact .channel-deck {
    grid-template-columns: 1.45fr 1fr 0.85fr;
    gap: 20px;
    align-items: start;
  }

  .page-contact .channel-card--mail {
    grid-column: auto;
  }

  .page-contact .channel-card--phone {
    margin-top: 30px;
  }

  .page-contact .channel-card--visit {
    margin-top: 58px;
  }

  .page-contact .feedback-panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
  }

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

  .page-contact .coop-note {
    margin-top: 30px;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-copy,
  .page-contact .feedback-list {
    transition: none;
    scroll-behavior: auto;
  }
}
</main>