.page-contact {
  --contact-sheet-bg: var(--cyan-soft);
  --contact-sheet-ink: #33302A;
  --contact-sheet-note: #47504C;
  background: var(--paper);
  color: var(--ink);
}

.page-contact .content {
  padding-block: clamp(18px, 3.4vw, 36px) clamp(36px, 5vw, 64px);
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

/* 首屏框景 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3.6vw, 40px);
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(220, 196, 155, 0.38), rgba(220, 196, 155, 0) 62%),
    var(--paper-deep);
}

.page-contact .contact-hero h1 {
  margin: 0.35em 0 0;
  font-size: var(--fs-hero);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 22em;
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .contact-hero__meta {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero__meta > div {
  display: grid;
  gap: 3px;
}

.page-contact .contact-hero__meta dt {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan-deep);
}

.page-contact .contact-hero__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-hero__figure {
  margin: 0;
  padding: 8px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
}

/* 渠道目录 + 来信指引 */
.page-contact .contact-channels {
  padding-block: clamp(32px, 5vw, 60px);
}

.page-contact .contact-index {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .channel-row {
  display: grid;
  gap: 7px;
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-row__label {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan-deep);
}

.page-contact .channel-row__label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  background: var(--flame);
  border-radius: 1px;
}

.page-contact .channel-row__value {
  width: fit-content;
  max-width: 100%;
  font-family: var(--font-num);
  font-size: clamp(15px, 2.2vw, 19px);
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line-strong);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .channel-row__value:hover,
.page-contact .channel-row__value:focus-visible {
  color: var(--cyan-deep);
  border-color: var(--flame);
}

.page-contact .channel-row__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .map-sheet {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 3vw, 32px);
  background: var(--contact-sheet-bg);
  border-radius: var(--radius);
}

.page-contact .map-sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(90deg, rgba(42, 37, 32, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(42, 37, 32, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.75;
}

.page-contact .map-sheet__title {
  margin: 0;
  font-size: var(--fs-h3);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--contact-sheet-ink);
}

.page-contact .map-sheet__lead {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--contact-sheet-note);
  max-width: 32em;
}

.page-contact .prep-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(42, 37, 32, 0.18);
}

.page-contact .prep-item__num {
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.9;
  color: var(--flame);
}

.page-contact .prep-item__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--contact-sheet-ink);
}

.page-contact .prep-item__text {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--contact-sheet-note);
}

/* 常见请求 */
.page-contact .contact-requests {
  padding-block: clamp(32px, 5vw, 58px);
  padding-inline: clamp(18px, 4vw, 44px);
  background: var(--sand-soft);
  border-radius: var(--radius);
}

.page-contact .request-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .request-item {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 16px 44px 18px 18px;
  background: rgba(246, 241, 231, 0.72);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.page-contact .request-item:hover,
.page-contact .request-item:focus-visible {
  border-left-color: var(--flame);
  background: var(--paper);
  transform: translateX(3px);
}

.page-contact .request-item__title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .request-item__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .request-item__go {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--cyan-deep);
}

.page-contact .contact-fold {
  margin-top: clamp(22px, 3.4vw, 32px);
  max-width: 42em;
  background: rgba(246, 241, 231, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .contact-fold summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  list-style: none;
}

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

.page-contact .contact-fold summary::after {
  content: "＋";
  float: right;
  margin-left: 12px;
  font-family: var(--font-num);
  color: var(--cyan-deep);
}

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

.page-contact .contact-fold__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-fold__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* 地址与备案 */
.page-contact .contact-address {
  position: relative;
  overflow: hidden;
  margin-top: clamp(28px, 4.4vw, 52px);
  padding: clamp(24px, 4vw, 44px) 0;
  background: var(--paper);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-address__map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.09;
  pointer-events: none;
}

.page-contact .address-frame {
  position: relative;
  z-index: 1;
  max-width: 560px;
  padding: clamp(20px, 3vw, 30px);
  background: rgba(246, 241, 231, 0.88);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-contact .address-frame__title {
  margin: 0.5em 0 0;
  font-size: var(--fs-h3);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 900;
}

.page-contact .address-frame__line {
  display: grid;
  gap: 3px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-contact .address-frame__key {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan-deep);
}

.page-contact .address-frame__val {
  font-family: var(--font-num);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .address-frame .note {
  margin: 16px 0 0;
}

/* 收藏提示 */
.page-contact .contact-save {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-save a {
  margin-left: 6px;
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 响应式 */
@media (min-width: 560px) {
  .page-contact .contact-hero__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

@media (min-width: 880px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

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

@media (min-width: 1024px) {
  .page-contact .contact-requests {
    padding-inline: clamp(28px, 4vw, 52px);
  }

  .page-contact .request-list {
    gap: 14px;
  }

  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 22px;
  }
}

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

  .page-contact .request-item:hover,
  .page-contact .request-item:focus-visible {
    transform: none;
  }
}