.page-contact {
  --pc-hair-d: 1px solid rgba(246, 244, 239, .16);
  --pc-hair-l: 1px solid rgba(20, 17, 15, .13);
  --pc-ink-band: #0C1531;
  --pc-snow-soft: rgba(246, 244, 239, .74);
  overflow-x: clip;
  background: var(--snow);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  background: linear-gradient(178deg, var(--indigo) 0%, var(--indigo) 58%, var(--indigo-2) 100%);
  color: var(--snow);
  padding-block: clamp(28px, 4vw, 52px) clamp(0px, 1.5vw, 10px);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(246, 244, 239, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246, 244, 239, .055) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, .1) 82%, transparent);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), rgba(0, 0, 0, .1) 82%, transparent);
  pointer-events: none;
}

.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(26px, 4vw, 50px);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .14em;
}

.page-contact .crumb-link {
  color: var(--warmgray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .crumb-link:hover,
.page-contact .crumb-link:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--orange);
}

.page-contact .crumb-sep {
  color: rgba(246, 244, 239, .34);
}

.page-contact .crumb-current {
  color: var(--gold);
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-bottom: 18px;
}

.page-contact .hero-meta .eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-contact .display {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  max-width: 19ch;
  font-size: clamp(29px, 5.2vw, 64px);
  line-height: 1.14;
  font-weight: 300;
  letter-spacing: .015em;
  color: var(--snow);
}

.page-contact .display strong {
  font-weight: 800;
  letter-spacing: .01em;
}

.page-contact .lede {
  max-width: 44em;
  margin: 0 0 clamp(32px, 4.5vw, 60px);
  color: var(--pc-snow-soft);
  font-size: clamp(15px, 1.45vw, 17px);
  line-height: 1.8;
}

/* 三行联系入口 */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: clamp(-4px, 0vw, 0px);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 2.8vw, 36px);
  border-top: var(--pc-hair-d);
  border-left: var(--pc-hair-d);
  background: rgba(36, 52, 92, .22);
  transition: background .24s ease;
}

.page-contact .contact-card:last-child {
  border-right: var(--pc-hair-d);
}

.page-contact .contact-card:hover {
  background: rgba(36, 52, 92, .62);
}

.page-contact .contact-card-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-card-value {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--saffron);
  font-size: clamp(14.5px, 1.5vw, 18px);
  line-height: 1.55;
  color: var(--snow);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-card-value.mono {
  font-family: var(--mono);
  letter-spacing: .01em;
}

.page-contact .contact-card-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-snow-soft);
}

.page-contact .contact-card-note {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: var(--pc-hair-d);
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--warmgray);
}

/* ---------- 锚点条 ---------- */
.page-contact .anchor-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--snow);
  border-bottom: var(--pc-hair-l);
}

.page-contact .anchor-list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-contact .anchor-list::-webkit-scrollbar {
  display: none;
}

.page-contact .anchor-link {
  display: block;
  white-space: nowrap;
  padding: 15px 18px 13px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted-2);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .anchor-link:hover,
.page-contact .anchor-link:focus-visible {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}

/* ---------- 图片带 ---------- */
.page-contact .shot-band {
  background: var(--indigo);
  padding-block: clamp(28px, 4vw, 56px);
}

.page-contact .contact-figure {
  margin: 0;
  border: var(--pc-hair-d);
}

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

.page-contact .contact-figure .media-caption {
  margin: 0;
  padding: 12px 16px;
  border-top: var(--pc-hair-d);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(246, 244, 239, .6);
}

/* ---------- 通用区块 ---------- */
.page-contact .p-section {
  padding-block: clamp(52px, 7.5vw, 104px);
}

.page-contact .p-section--snow {
  background: var(--snow);
  color: var(--ink);
}

.page-contact .p-section--barley {
  background: var(--barley);
  color: var(--ink);
}

.page-contact .p-section--ink {
  background: var(--pc-ink-band);
  color: var(--snow);
}

.page-contact .sec-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 50px);
  max-width: 62em;
}

.page-contact .sec-num {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--saffron);
}

.page-contact .sec-head--ink .sec-num {
  color: var(--gold);
}

.page-contact .sec-title {
  margin: 0;
  font-size: clamp(23px, 3.1vw, 41px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: .008em;
}

.page-contact .sec-lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(14.5px, 1.35vw, 16px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .sec-head--ink .sec-lede {
  color: rgba(246, 244, 239, .72);
}

/* ---------- 写信要点 ---------- */
.page-contact .write-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--pc-hair-l);
}

.page-contact .write-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 5px 18px;
  padding: clamp(17px, 2.2vw, 25px) 0;
  border-bottom: var(--pc-hair-l);
}

.page-contact .write-num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--saffron);
  padding-top: 3px;
}

.page-contact .write-key {
  grid-column: 2;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-contact .write-desc {
  grid-column: 2;
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .write-callout {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--barley);
  border-left: 4px solid var(--saffron);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 合作方式（手风琴） ---------- */
.page-contact .coop-band .accordion {
  border-top: var(--pc-hair-l);
}

.page-contact .coop-band .accordion-item {
  border-bottom: var(--pc-hair-l);
}

.page-contact .coop-band .accordion-btn {
  width: 100%;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 14px;
  padding: clamp(17px, 2.2vw, 25px) 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: clamp(16px, 1.75vw, 20px);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.4;
  color: var(--ink);
  cursor: pointer;
  transition: color .2s ease;
}

.page-contact .coop-band .accordion-btn:hover,
.page-contact .coop-band .accordion-btn:focus-visible {
  color: var(--saffron);
}

.page-contact .coop-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--saffron);
}

.page-contact .coop-name {
  display: block;
}

.page-contact .coop-band .accordion-sign {
  position: relative;
  width: 26px;
  height: 26px;
  border: var(--pc-hair-l);
  background: transparent;
}

.page-contact .coop-band .accordion-sign::before,
.page-contact .coop-band .accordion-sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--saffron);
  transform: translate(-50%, -50%);
}

.page-contact .coop-band .accordion-sign::before {
  width: 12px;
  height: 1px;
}

.page-contact .coop-band .accordion-sign::after {
  width: 1px;
  height: 12px;
  transition: opacity .24s ease, transform .24s ease;
}

.page-contact .coop-band .accordion-item[data-open] .accordion-sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(.2);
}

.page-contact .coop-band .accordion-inner {
  padding: 0 0 clamp(20px, 2.6vw, 30px) 58px;
  max-width: 60em;
}

.page-contact .coop-band .accordion-inner > p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--pc-hair-l);
}

.page-contact .mini-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 11px 0;
  border-bottom: var(--pc-hair-l);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .mini-key {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
}

/* ---------- 处理流程 ---------- */
.page-contact .flow {
  border-top: var(--pc-hair-l);
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 8px 20px;
  padding: clamp(17px, 2.2vw, 25px) 0;
  border-bottom: var(--pc-hair-l);
}

.page-contact .flow-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--saffron);
  padding-top: 3px;
}

.page-contact .flow-title {
  margin: 0 0 6px;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .flow-desc {
  margin: 0;
  max-width: 48em;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 常见场景 ---------- */
.page-contact .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--pc-hair-d);
}

.page-contact .scene-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(15px, 2vw, 22px) 0;
  border-bottom: var(--pc-hair-d);
}

.page-contact .scene-key {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--gold);
}

.page-contact .scene-val {
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(246, 244, 239, .76);
}

.page-contact .scene-link {
  color: var(--snow);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color .2s ease;
}

.page-contact .scene-link:hover,
.page-contact .scene-link:focus-visible {
  color: var(--orange);
}

.page-contact .scene-foot {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding-top: 18px;
  border-top: var(--pc-hair-d);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(246, 244, 239, .68);
}

/* ---------- 寄送说明 ---------- */
.page-contact .postal {
  display: grid;
  gap: clamp(22px, 3.6vw, 52px);
}

.page-contact .postal-card {
  padding: clamp(22px, 2.8vw, 34px);
  background: var(--indigo);
  color: var(--snow);
  border-left: 4px solid var(--saffron);
}

.page-contact .postal-label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .postal-addr {
  margin: 0;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--snow);
}

.page-contact .postal-icp {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: var(--pc-hair-d);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--warmgray);
}

.page-contact .postal-body p {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .postal-body p:last-child {
  margin-bottom: 0;
}

.page-contact .postal-link-row {
  padding-top: 16px;
  border-top: var(--pc-hair-l);
}

.page-contact .postal-link {
  color: var(--saffron);
  text-decoration: none;
  border-bottom: 1px solid rgba(166, 30, 43, .35);
  transition: border-color .2s ease;
}

.page-contact .postal-link:hover,
.page-contact .postal-link:focus-visible {
  border-bottom-color: var(--saffron);
}

/* ---------- 尾部宽幅 ---------- */
.page-contact .outro {
  background: var(--indigo);
  line-height: 0;
}

.page-contact .outro-figure {
  margin: 0;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .scene-row {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 32px;
  }

  .page-contact .mini-list li {
    grid-template-columns: 84px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 18px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-card:last-child {
    border-right: var(--pc-hair-d);
  }

  .page-contact .display {
    max-width: 17ch;
  }
}

@media (min-width: 920px) {
  .page-contact .postal {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .write-item {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 6px 24px;
  }

  .page-contact .flow-step {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 8px 26px;
  }
}

@media (max-width: 640px) {
  .page-contact .anchor-link {
    padding: 13px 14px 11px;
    font-size: 12.5px;
  }

  .page-contact .coop-band .accordion-inner {
    padding-left: 0;
  }

  .page-contact .coop-band .accordion-btn {
    grid-template-columns: 34px minmax(0, 1fr) 24px;
    gap: 10px;
  }

  .page-contact .contact-card-value {
    padding-left: 12px;
  }

  .page-contact .postal-addr {
    font-size: 16.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .anchor-link,
  .page-contact .coop-band .accordion-btn,
  .page-contact .coop-band .accordion-sign::after,
  .page-contact .crumb-link,
  .page-contact .scene-link,
  .page-contact .postal-link {
    transition: none;
  }
}