.page-contact {
  --contact-hairline: rgba(201, 164, 92, 0.24);
  --contact-soft: rgba(216, 207, 190, 0.16);
  background: var(--ink);
  color: var(--text-light);
}

.page-contact .contact-shell {
  display: block;
  padding: 28px 20px 88px;
}

/* 面包屑 */
.page-contact .contact-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-13);
  letter-spacing: 0.04em;
  color: var(--paper-2);
  margin-bottom: 26px;
}

.page-contact .contact-crumb a {
  color: var(--gold);
  text-decoration: none;
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--gold-bright);
  text-decoration: underline;
}

/* 首屏 */
.page-contact .contact-lead {
  display: grid;
  gap: 34px;
  padding: 24px 0 52px;
  border-bottom: 1px solid var(--contact-hairline);
}

.page-contact .contact-lead__copy h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, var(--fs-48));
  line-height: 1.22;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 14px 0 18px;
  max-width: 22ch;
}

.page-contact .contact-lead__copy .lede {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--text-light);
  max-width: 46ch;
  margin: 0;
}

.page-contact .contact-lead__diagram {
  position: relative;
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
  aspect-ratio: 18 / 17;
}

.page-contact .contact-diagram {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .contact-diagram__ring {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.2;
  opacity: 0.6;
}

.page-contact .contact-diagram__ring--inner {
  stroke: var(--cyan);
  stroke-width: 1;
  stroke-dasharray: 6 9;
  opacity: 0.55;
}

.page-contact .contact-diagram__core {
  fill: var(--gold-bright);
}

.page-contact .contact-diagram__line {
  stroke: var(--gold);
  stroke-width: 1;
  opacity: 0.4;
}

.page-contact .contact-diagram__node {
  fill: var(--felt);
  stroke: var(--gold-bright);
  stroke-width: 1.5;
}

.page-contact .contact-diagram__label {
  fill: var(--paper-2);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* 三条通道 */
.page-contact .contact-channels {
  padding: 56px 0 36px;
}

.page-contact .contact-channels__head {
  margin-bottom: 28px;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .contact-channel {
  position: relative;
  background: var(--felt);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 26px 22px 24px;
  overflow: hidden;
  transition: transform 260ms var(--ease), border-color 260ms var(--ease);
}

.page-contact .contact-channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201, 164, 92, 0) 72%);
  opacity: 0.75;
}

.page-contact .contact-channel:hover {
  transform: translateY(-3px);
  border-color: var(--contact-hairline);
}

.page-contact .contact-channel__k {
  font-family: var(--font-serif);
  font-size: var(--fs-16);
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 16px;
}

.page-contact .contact-channel__v {
  font-size: var(--fs-18);
  line-height: 1.6;
  color: var(--paper);
  margin: 0 0 14px;
  word-break: break-word;
}

.page-contact .contact-channel__v.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}

.page-contact .contact-channel__v--addr {
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--paper-2);
}

.page-contact .contact-channel__note {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-light);
  opacity: 0.82;
  margin: 0;
}

/* 准备清单 */
.page-contact .contact-prep {
  padding: 52px 0;
  border-top: 1px solid var(--contact-hairline);
  border-bottom: 1px solid var(--contact-hairline);
}

.page-contact .contact-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-contact .contact-prep__intro h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4.8vw, var(--fs-36));
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 14px 0 18px;
}

.page-contact .contact-prep__intro p {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--text-light);
  margin: 0;
}

.page-contact .contact-prep__media {
  margin: 26px 0 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--felt);
}

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

.page-contact .contact-prep__list {
  list-style: none;
  display: grid;
  gap: 16px;
  padding: 0;
  margin: 0;
}

.page-contact .contact-prep__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 20px 22px;
  background: var(--felt-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

.page-contact .contact-prep__num {
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  line-height: 1.15;
}

.page-contact .contact-prep__k {
  font-family: var(--font-serif);
  font-size: var(--fs-18);
  color: var(--paper);
  margin: 0 0 8px;
}

.page-contact .contact-prep__d {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-light);
  opacity: 0.84;
  margin: 0;
}

/* 到访 */
.page-contact .contact-visit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 60px 0 44px;
}

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

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

.page-contact .contact-visit__media .media-frame__caption {
  margin-top: 14px;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--paper-2);
}

.page-contact .contact-visit__body h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(24px, 4.8vw, var(--fs-36));
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 14px 0 18px;
}

.page-contact .contact-visit__body p {
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--text-light);
  margin: 0 0 16px;
}

.page-contact .contact-visit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 收尾 */
.page-contact .contact-close {
  padding-top: 12px;
}

.page-contact .contact-close__inner {
  border: 1px solid var(--contact-hairline);
  border-radius: var(--r-lg);
  padding: 26px 22px;
  background: linear-gradient(135deg, var(--felt) 0%, var(--felt-2) 100%);
}

.page-contact .contact-close__line {
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--paper);
  margin: 14px 0 10px;
  word-break: break-word;
}

.page-contact .contact-close__line .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}

.page-contact .contact-close__note {
  font-size: var(--fs-13);
  line-height: 1.85;
  color: var(--paper-2);
  margin: 0;
}

/* 平板 */
@media (min-width: 720px) {
  .page-contact .contact-shell {
    padding: 36px 32px 104px;
  }

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

  .page-contact .contact-close__inner {
    padding: 30px 32px;
  }
}

/* 桌面 */
@media (min-width: 1000px) {
  .page-contact .contact-shell {
    padding: 44px 44px 124px;
  }

  .page-contact .contact-lead {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 56px;
    padding: 36px 0 68px;
  }

  .page-contact .contact-lead__copy h1 {
    font-size: var(--fs-64);
  }

  .page-contact .contact-channels {
    padding: 68px 0 44px;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-visit {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: center;
    padding: 76px 0 56px;
  }

  .page-contact .contact-close__inner {
    display: grid;
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
    align-items: center;
    gap: 36px;
    padding: 32px 40px;
  }

  .page-contact .contact-close__line {
    margin: 0;
    text-align: right;
  }

  .page-contact .contact-close__note {
    grid-column: 2;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel {
    transition: none;
  }

  .page-contact .contact-channel:hover {
    transform: none;
  }
}