/* ================================================================
   page-contact · 联络通道
   ================================================================ */

.page-contact {
  background: var(--c-ice);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-title);
  margin: 0;
}

.page-contact p {
  margin: 0;
}

.page-contact h2 {
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--c-deep);
}

.page-contact #message,
.page-contact #place,
.page-contact #scenes,
.page-contact #channels {
  scroll-margin-top: 5.5rem;
}

.page-contact .section-head {
  margin-bottom: 1.75rem;
}

.page-contact .section-head__kicker {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--c-route);
  margin-bottom: 0.6rem;
}

/* ---------------- 首屏 ---------------- */

.page-contact .contact-hero {
  position: relative;
  padding: 2.5rem 0 3rem;
  color: var(--c-frost);
  overflow: hidden;
  background:
    radial-gradient(118% 88% at 88% 0%, rgba(49, 224, 208, 0.20), transparent 58%),
    radial-gradient(92% 80% at 0% 100%, rgba(21, 74, 120, 0.92), transparent 64%),
    linear-gradient(168deg, var(--c-deep) 0%, var(--c-sea) 58%, var(--c-route) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-neon), transparent);
  opacity: 0.55;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-contact .contact-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
}

.page-contact .contact-hero .breadcrumb li {
  display: flex;
  align-items: center;
}

.page-contact .contact-hero .breadcrumb li + li::before {
  content: "/";
  margin: 0 0.5rem;
  color: rgba(143, 245, 236, 0.5);
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--c-neon-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-contact .contact-hero .breadcrumb a:hover {
  border-bottom-color: currentColor;
}

.page-contact .contact-hero .breadcrumb li:last-child {
  color: rgba(247, 251, 255, 0.68);
}

.page-contact .contact-hero__kicker {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--c-neon);
  margin-bottom: 0.85rem;
}

.page-contact .contact-hero h1 {
  font-size: clamp(1.85rem, 5vw, 3.15rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: #fff;
  max-width: 13em;
  margin-bottom: 1.05rem;
}

.page-contact .contact-hero__lead {
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(247, 251, 255, 0.78);
  max-width: 34em;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1.6rem;
  margin: 1.5rem 0 0;
  padding: 1.1rem 0 0;
  list-style: none;
  border-top: 1px solid rgba(183, 211, 232, 0.28);
  font-size: 0.86rem;
  color: rgba(247, 251, 255, 0.72);
}

.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-contact .contact-hero__facts .mono {
  color: var(--c-neon-soft);
  font-size: 0.98rem;
  font-weight: 600;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid rgba(143, 245, 236, 0.26);
  background: linear-gradient(150deg, rgba(11, 42, 74, 0.9), rgba(6, 26, 47, 0.96));
  box-shadow: var(--shadow-2);
}

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

.page-contact .contact-hero__caption {
  display: block;
  padding: 0.7rem 1rem;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: rgba(143, 245, 236, 0.82);
  border-top: 1px solid rgba(143, 245, 236, 0.18);
  background: rgba(6, 26, 47, 0.6);
}

/* ---------------- 联络方式 ---------------- */

.page-contact .contact-channels {
  padding: 3rem 0 3.25rem;
  background: var(--c-ice);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: 2rem;
}

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

.page-contact .channel-list__item {
  padding: 1.4rem 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .channel-list__item:first-child {
  border-top: none;
  padding-top: 0.25rem;
}

.page-contact .channel-list__label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-route);
  margin-bottom: 0.5rem;
}

.page-contact .channel-list__value {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  line-height: 1.5;
  font-weight: 600;
  color: var(--c-deep);
  word-break: break-word;
}

.page-contact .channel-list__note {
  margin-top: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 44em;
}

.page-contact .channel-list__copy {
  margin-top: 0.9rem;
  font-size: 0.82rem;
  padding: 0.45rem 1.05rem;
}

.page-contact .contact-window {
  align-self: start;
  padding: 1.6rem 1.5rem;
  border-radius: var(--radius-l);
  border: 1px solid rgba(143, 245, 236, 0.22);
  background: linear-gradient(160deg, rgba(11, 42, 74, 0.96), rgba(6, 26, 47, 1));
  color: var(--c-frost);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-window__title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: #fff;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(183, 211, 232, 0.22);
}

.page-contact .contact-window__rows {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-contact .contact-window__row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
}

.page-contact .contact-window__label {
  flex: 1 1 auto;
  color: rgba(247, 251, 255, 0.86);
}

.page-contact .contact-window__desc {
  margin-top: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(183, 211, 232, 0.9);
}

.page-contact .contact-window__hint {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(49, 224, 208, 0.35);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--c-neon);
  cursor: default;
}

.page-contact .contact-window__hint:focus {
  outline: 1px solid var(--c-neon-soft);
  outline-offset: 3px;
}

.page-contact .contact-window__tip {
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 0.84rem;
  line-height: 1.8;
  letter-spacing: 0;
  color: rgba(183, 211, 232, 0.92);
  transition: max-height 0.35s var(--ease), opacity 0.3s var(--ease), margin-top 0.3s var(--ease);
}

.page-contact .contact-window__hint:hover .contact-window__tip,
.page-contact .contact-window__hint:focus .contact-window__tip {
  max-height: 8rem;
  opacity: 1;
  margin-top: 0.55rem;
}

@media (hover: none) {
  .page-contact .contact-window__tip {
    max-height: none;
    opacity: 1;
    margin-top: 0.55rem;
  }
}

/* ---------------- 留言 ---------------- */

.page-contact .contact-message {
  padding: 3.25rem 0;
  color: var(--c-frost);
  background:
    radial-gradient(100% 80% at 100% 0%, rgba(49, 224, 208, 0.16), transparent 60%),
    linear-gradient(180deg, var(--c-deep) 0%, var(--c-sea) 100%);
}

.page-contact .contact-message__grid {
  display: grid;
  gap: 2rem;
}

.page-contact .contact-message h2 {
  color: #fff;
}

.page-contact .contact-message .section-head__kicker {
  color: var(--c-neon);
}

.page-contact .contact-message__lead {
  margin-top: 0.9rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(247, 251, 255, 0.78);
  max-width: 32em;
}

.page-contact .contact-message__tips {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: tip;
  display: grid;
  gap: 0.85rem;
}

.page-contact .contact-message__tips li {
  position: relative;
  counter-increment: tip;
  padding-left: 2.1rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(183, 211, 232, 0.92);
}

.page-contact .contact-message__tips li::before {
  content: counter(tip, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--c-neon);
  border: 1px solid rgba(49, 224, 208, 0.45);
  border-radius: 4px;
  padding: 0 0.3rem;
  line-height: 1.5;
}

.page-contact .contact-message__link {
  margin-top: 1.4rem;
  font-size: 0.86rem;
  color: rgba(183, 211, 232, 0.85);
}

.page-contact .contact-message__link a {
  color: var(--c-neon-soft);
  border-bottom: 1px solid rgba(143, 245, 236, 0.5);
  text-decoration: none;
}

.page-contact .contact-message__link a:hover {
  border-bottom-color: var(--c-neon);
}

.page-contact .compose {
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius-l);
  background: var(--c-frost);
  color: var(--c-text);
  box-shadow: var(--shadow-2);
}

.page-contact .compose__row {
  display: grid;
  gap: 1rem;
}

.page-contact .compose__field {
  display: block;
  margin-bottom: 1rem;
}

.page-contact .compose__label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-route);
}

.page-contact .compose__input {
  display: block;
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--c-text);
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-s);
  padding: 0.7rem 0.85rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .compose__input--area {
  resize: vertical;
  min-height: 7rem;
}

.page-contact .compose__input:focus {
  outline: none;
  border-color: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(49, 224, 208, 0.22);
}

.page-contact .compose__input::placeholder {
  color: var(--c-muted);
  opacity: 0.72;
}

.page-contact .compose__foot {
  display: grid;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-line);
}

.page-contact .compose__note {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------------- 位置与覆盖 ---------------- */

.page-contact .contact-place {
  padding: 3.25rem 0;
  background: var(--c-ice);
}

.page-contact .contact-place__grid {
  display: grid;
  gap: 2.25rem;
  align-items: center;
}

.page-contact .contact-place__lead {
  margin-top: 0.9rem;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--c-muted);
  max-width: 34em;
}

.page-contact .contact-place__list {
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-place__item {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-place__item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-place__item dt {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--c-route);
}

.page-contact .contact-place__item dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--c-deep);
  font-weight: 500;
}

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

.page-contact .contact-place__figure .media {
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--c-line);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-place__figure .media__label {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
}

.page-contact .contact-place__figure .media__caption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------------- 常见联络场景 ---------------- */

.page-contact .contact-scenes {
  padding: 3.25rem 0 3.5rem;
  background: var(--c-frost);
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-scenes .accordion__item {
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-scenes .accordion__item:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-scenes .accordion__item h3 {
  margin: 0;
  font-size: 1rem;
}

.page-contact .contact-scenes .accordion__panel p {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--c-muted);
  max-width: 62em;
}

.page-contact .contact-scenes .accordion__panel .btn {
  margin-top: 1rem;
  font-size: 0.84rem;
  padding: 0.45rem 1.05rem;
}

/* ---------------- 备案 ---------------- */

.page-contact .contact-registry {
  padding: 1.75rem 0;
  background: var(--c-deep);
  border-top: 1px solid rgba(49, 224, 208, 0.35);
  color: rgba(183, 211, 232, 0.85);
}

.page-contact .contact-registry__inner {
  display: grid;
  gap: 0.85rem;
}

.page-contact .contact-registry__icp {
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--c-neon);
}

.page-contact .contact-registry__text {
  font-size: 0.85rem;
  line-height: 1.8;
}

.page-contact .contact-registry__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.85rem;
}

.page-contact .contact-registry__links a {
  color: rgba(247, 251, 255, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(183, 211, 232, 0.35);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-registry__links a:hover {
  color: var(--c-neon-soft);
  border-bottom-color: var(--c-neon);
}

/* ---------------- 响应式 ---------------- */

@media (min-width: 640px) {
  .page-contact .contact-hero {
    padding: 3rem 0 3.5rem;
  }

  .page-contact .compose {
    padding: 1.9rem 1.75rem;
  }

  .page-contact .compose__row {
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }

  .page-contact .compose__row .compose__field {
    margin-bottom: 1rem;
  }

  .page-contact .compose__foot {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 1.25rem;
  }

  .page-contact .contact-registry__inner {
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 3.75rem 0 4.25rem;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: 3.5rem;
  }

  .page-contact .contact-hero__figure {
    transform: translateY(0.5rem);
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.16fr) minmax(0, 0.84fr);
    gap: 3.25rem;
    align-items: start;
  }

  .page-contact .contact-message__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 3.25rem;
    align-items: start;
  }

  .page-contact .contact-place__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 3.5rem;
  }

  .page-contact .contact-scenes .accordion__item h3 {
    font-size: 1.05rem;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-hero__copy {
    padding-right: 1.5rem;
  }

  .page-contact .contact-place__figure {
    margin-left: 1rem;
  }
}
<<<END>>>