.page-contact {
  --pc-line: rgba(231, 237, 245, 0.16);
  --pc-line-ink: rgba(26, 31, 41, 0.18);
  --pc-soft: rgba(231, 237, 245, 0.74);
  background: var(--night);
  color: var(--cool-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.16;
  margin: 0;
}

.page-contact p {
  margin: 0;
}

.page-contact a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 181, 75, 0.38);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact a:hover {
  color: #fff;
  border-bottom-color: var(--gold);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0;
}

.page-contact .eyebrow--ink {
  color: var(--lake);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: clamp(16px, 2.4vw, 26px) 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-contact .breadcrumb a {
  color: var(--slate);
  border-bottom-color: transparent;
}

.page-contact .breadcrumb a:hover {
  color: var(--gold);
}

.page-contact .breadcrumb span[aria-current] {
  color: var(--cool-white);
}

/* 首屏 */
.page-contact .contact-hero {
  padding: clamp(24px, 4vw, 48px) 0 clamp(38px, 6vw, 72px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-contact .contact-hero h1 {
  font-size: clamp(30px, 5.6vw, 52px);
  margin: 0.55rem 0 1rem;
  color: #fff;
}

.page-contact .contact-hero .lead {
  max-width: 46ch;
  color: var(--pc-soft);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .hero-facts li {
  background: var(--night);
  padding: 12px 14px;
  display: grid;
  gap: 5px;
}

.page-contact .hero-facts__num {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-contact .hero-facts__text {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--pc-soft);
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--indigo);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.92);
  max-width: 100%;
}

.page-contact .media-caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
  padding: 8px 12px 10px;
  border-top: 1px solid var(--pc-line);
}

/* 联系渠道 + 对接路径 */
.page-contact .contact-board {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .board-grid {
  display: grid;
  gap: clamp(26px, 3.5vw, 40px);
  align-items: start;
}

.page-contact .contact-card {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(22px, 3.4vw, 40px);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .contact-card h2 {
  font-size: clamp(19px, 2.6vw, 26px);
  margin: 0.5rem 0 clamp(16px, 2vw, 22px);
  color: var(--ink);
}

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

.page-contact .contact-row {
  padding: 14px 0;
  border-top: 1px solid var(--pc-line-ink);
}

.page-contact .contact-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .contact-row dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lake);
  margin-bottom: 6px;
}

.page-contact .contact-row dd {
  margin: 0 0 6px;
}

.page-contact .contact-row dd:last-child {
  margin-bottom: 0;
}

.page-contact .contact-row__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.6vw, 16px);
  letter-spacing: 0.02em;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-row__note {
  font-size: 13px;
  line-height: 1.72;
  color: rgba(26, 31, 41, 0.68);
}

.page-contact .contact-card__hours {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lake);
}

.page-contact .contact-paths {
  padding-top: 2px;
}

.page-contact .path-list {
  list-style: none;
  margin: clamp(12px, 2vw, 18px) 0 0;
  padding: 0;
}

.page-contact .path-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .path-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .path-item__num {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(232, 181, 75, 0.5);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.06em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.page-contact .path-item__body {
  min-width: 0;
}

.page-contact .path-item h3 {
  font-size: 18px;
  color: #fff;
  margin: 6px 0 7px;
}

.page-contact .path-item__body p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-soft);
  margin: 0 0 8px;
}

.page-contact .path-item__body .path-item__meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lake);
}

/* 回复节奏 */
.page-contact .rhythm {
  padding: 0 0 clamp(34px, 5vw, 60px);
}

.page-contact .rhythm__inner {
  background: var(--indigo);
  border: 1px solid var(--pc-line);
  padding: clamp(22px, 3.4vw, 38px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .rhythm__title {
  font-size: clamp(18px, 2.4vw, 24px);
  color: #fff;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
}

.page-contact .rhythm__grid {
  display: grid;
  gap: 18px;
}

.page-contact .rhythm__item {
  border-left: 2px solid rgba(232, 181, 75, 0.45);
  padding-left: 14px;
}

.page-contact .rhythm__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-contact .rhythm__item p {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--pc-soft);
}

/* 内容反馈 */
.page-contact .feedback {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .feedback__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .feedback__intro h2 {
  font-size: clamp(22px, 3.2vw, 32px);
  color: #fff;
  margin: 0.4rem 0 0.9rem;
}

.page-contact .feedback__intro > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-soft);
  max-width: 54ch;
  margin: 0 0 1.2rem;
}

.page-contact .fix-grid {
  display: grid;
  gap: 1px;
  padding: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .fix-card {
  background: var(--night);
  padding: 18px;
}

.page-contact .fix-card h3 {
  font-size: 15px;
  color: var(--gold);
  margin: 0 0 8px;
}

.page-contact .fix-card p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.page-contact .feedback-template {
  background: var(--cool-white);
  color: var(--ink);
  padding: clamp(20px, 3vw, 30px);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-contact .feedback-template__fields {
  list-style: none;
  margin: 12px 0 14px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .feedback-template__fields li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--pc-line-ink);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .feedback-template__fields li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .feedback-template__fields .mono {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .feedback-template__note {
  font-size: 12.5px;
  line-height: 1.72;
  color: rgba(26, 31, 41, 0.66);
}

/* 合作与投稿 */
.page-contact .coop {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .coop__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-contact .coop__main {
  min-width: 0;
}

.page-contact .coop__main h2 {
  font-size: clamp(22px, 3.2vw, 32px);
  color: #fff;
  margin: 0.4rem 0 0.9rem;
}

.page-contact .coop__lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-soft);
  max-width: 56ch;
}

.page-contact .coop__list {
  display: grid;
  gap: 10px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-contact .coop-item {
  border: 1px solid var(--pc-line);
  background: rgba(231, 237, 245, 0.035);
}

.page-contact .coop-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 16px;
  color: #fff;
}

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

.page-contact .coop-item summary .mono {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-contact .coop-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--lake);
}

.page-contact .coop-item[open] summary::after {
  content: "–";
}

.page-contact .coop-item[open] summary {
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .coop-item__body {
  padding: 14px 16px 18px;
}

.page-contact .coop-item__body p {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pc-soft);
  margin: 0 0 8px;
}

.page-contact .coop-item__body ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--pc-soft);
}

.page-contact .coop__links {
  margin-top: clamp(16px, 2.4vw, 22px);
  font-size: 13px;
  line-height: 1.8;
  color: var(--slate);
}

.page-contact .coop__figure {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--indigo);
}

.page-contact .coop__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85);
}

/* 到访与信件 */
.page-contact .visit {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .visit__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-contact .visit__intro h2 {
  font-size: clamp(21px, 3vw, 29px);
  color: #fff;
  margin: 0.4rem 0 0.9rem;
}

.page-contact .visit__intro p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-soft);
  max-width: 48ch;
}

.page-contact .visit__list {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
}

.page-contact .visit__list li {
  background: var(--night);
  padding: 16px 18px;
}

.page-contact .visit__list .mono {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lake);
  margin-bottom: 6px;
}

.page-contact .visit__list p {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--pc-soft);
}

/* 地域说明带 */
.page-contact .region-band {
  border-top: 1px solid rgba(44, 138, 138, 0.5);
  background: rgba(44, 138, 138, 0.08);
}

.page-contact .region-band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 26px;
  padding: clamp(18px, 2.6vw, 26px) 0;
}

.page-contact .region-band__coord {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lake);
}

.page-contact .region-band p {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
  max-width: 70ch;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .visit__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(30px, 4vw, 56px);
  }
}

@media (min-width: 980px) {
  .page-contact .coop__grid {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
  }

  .page-contact .feedback__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1024px) {
  .page-contact .board-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(32px, 4vw, 56px);
  }
}

@media (min-width: 1100px) {
  .page-contact .rhythm__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact a,
  .page-contact .coop-item summary::after {
    transition: none;
  }
}