.page-contact {
  --pc-pad: clamp(18px, 4vw, 32px);
  --pc-radius: 18px 4px 18px 4px;
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* 首屏 */
.page-contact .contact-head {
  padding-top: clamp(24px, 5vw, 52px);
  padding-bottom: clamp(6px, 1.5vw, 14px);
}

.page-contact .contact-head .ua-eyebrow {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .contact-head__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .contact-head__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--moss);
}

.page-contact .contact-head__line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--lime);
}

/* 通信台双栏 */
.page-contact .contact-desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 28px);
  margin-top: clamp(26px, 4vw, 44px);
}

/* 深色联系卡 */
.page-contact .contact-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--ink-800);
  box-shadow: var(--shadow-deep);
}

.page-contact .contact-card__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-contact .contact-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 26, 22, 0.42) 0%, rgba(7, 26, 22, 0.93) 56%, #071a16 100%);
}

.page-contact .contact-card__inner {
  position: relative;
  z-index: 1;
  padding: var(--pc-pad);
  padding-top: clamp(120px, 34vw, 210px);
}

.page-contact .contact-card__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 12px;
  border: 1px solid rgba(184, 255, 60, 0.35);
  border-radius: 999px;
  background: rgba(184, 255, 60, 0.1);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.page-contact .contact-card__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(184, 255, 60, 0.22);
  animation: contact-pulse 2.4s var(--ease) infinite;
}

@keyframes contact-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(184, 255, 60, 0.22); }
  50% { box-shadow: 0 0 0 6px rgba(184, 255, 60, 0.06); }
}

.page-contact .contact-card__title {
  margin: 16px 0 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.22rem;
  color: var(--white);
}

.page-contact .contact-card__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-card__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid rgba(157, 181, 168, 0.16);
}

.page-contact .contact-card__row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--moss);
}

.page-contact .contact-card__row dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__row dd.contact-card__mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* 纸感反馈卡 */
.page-contact .contact-sheet {
  padding: clamp(20px, 3.4vw, 36px);
  border-radius: 4px 22px 4px 22px;
  background: var(--paper);
  color: var(--paper-ink);
  box-shadow: var(--shadow-deep);
}

.page-contact .contact-sheet__eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: #3f6b52;
}

.page-contact .contact-sheet__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.36;
  color: var(--paper-ink);
}

.page-contact .contact-sheet__intro {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: #4a4436;
}

.page-contact .contact-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-contact .contact-field {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.page-contact .contact-field__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: #3f6b52;
}

.page-contact .contact-field__input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 11px 13px;
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--paper-ink);
  background: #fffdf7;
  border: 1px solid #cfc6b0;
  border-radius: 6px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .contact-field__input::placeholder {
  color: #9b9customs;
  color: #9a927f;
}

.page-contact .contact-field__area {
  min-height: 112px;
  resize: vertical;
}

.page-contact .contact-field__input:focus {
  outline: 2px solid var(--ink-800);
  outline-offset: 1px;
  border-color: var(--ink-800);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(184, 255, 60, 0.5);
}

.page-contact .contact-sheet__note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid #c9c0a8;
  font-size: 0.86rem;
  line-height: 1.75;
  color: #565040;
}

.page-contact .contact-shot {
  margin: clamp(18px, 3vw, 28px) 0 0;
  overflow: hidden;
  border: 1px solid #d8cfb8;
  border-radius: 12px;
}

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

.page-contact .contact-shot figcaption {
  padding: 10px 14px;
  background: #efe8d8;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  color: #4a4436;
}

/* 通用章节 */
.page-contact .contact-block {
  margin-top: clamp(44px, 8vw, 92px);
  padding-top: clamp(26px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-block__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.4vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .contact-block__lead {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--moss);
}

/* 服务时段时间轴 */
.page-contact .contact-timeline {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

.page-contact .contact-timeline__item {
  position: relative;
  padding: 0 0 22px 26px;
  border-left: 1px solid var(--line);
}

.page-contact .contact-timeline__item:last-child {
  padding-bottom: 0;
}

.page-contact .contact-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--ink-900);
}

.page-contact .contact-timeline__item--peak::before {
  background: var(--amber);
}

.page-contact .contact-timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--lime);
}

.page-contact .contact-timeline__item--peak .contact-timeline__time {
  color: var(--amber);
}

.page-contact .contact-timeline__text {
  margin: 8px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--paper);
}

/* 纠错分类卡 */
.page-contact .contact-routes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-route {
  padding: 20px 18px;
  border: 1px solid rgba(157, 181, 168, 0.18);
  border-radius: var(--radius-card);
  background: var(--blue-900);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-contact .contact-route:hover {
  transform: translateY(-6px);
  border-color: rgba(184, 255, 60, 0.4);
}

.page-contact .contact-route__no {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-contact .contact-route__title {
  margin: 10px 0 8px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.06rem;
  color: var(--white);
}

.page-contact .contact-route__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--moss);
}

/* 合作与投稿 */
.page-contact .contact-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
}

.page-contact .contact-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-coop__item {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-left: 2px solid var(--line);
  border-radius: 0 10px 10px 0;
  background: rgba(12, 42, 34, 0.62);
}

.page-contact .contact-coop__item strong {
  font-size: 0.94rem;
  color: var(--white);
}

.page-contact .contact-coop__item span {
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--moss);
}

/* 地址与条款 */
.page-contact .contact-final {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .contact-address {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: linear-gradient(150deg, rgba(12, 42, 34, 0.92), rgba(11, 29, 51, 0.92));
}

.page-contact .contact-address__title,
.page-contact .contact-legal__title {
  margin: 10px 0 12px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.16rem;
  color: var(--white);
}

.page-contact .contact-address__text {
  margin: 0 0 10px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--moss);
}

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

.page-contact .contact-legal {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--ink-800);
}

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

.page-contact .contact-links a {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(157, 181, 168, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-links a:hover,
.page-contact .contact-links a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .contact-links a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* 响应式 */
@media (min-width: 620px) {
  .page-contact .contact-fields {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-contact .contact-field--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-desk {
    grid-template-columns: minmax(300px, 400px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-desk > .contact-card {
    position: sticky;
    top: 96px;
  }

  .page-contact .contact-block--grid {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(20px, 3.5vw, 48px);
    align-items: start;
  }

  .page-contact .contact-block--grid .contact-timeline {
    margin-top: 0;
  }

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

  .page-contact .contact-final {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

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

  .page-contact .contact-route,
  .page-contact .contact-field__input,
  .page-contact .contact-links a {
    transition: none;
  }

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