.page-contact {
  --c-gap: clamp(18px, 2.4vw, 32px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-contact .contact-crumb .breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .contact-crumb .breadcrumb__item {
  color: rgba(232, 227, 216, 0.55);
}

.page-contact .contact-crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 12px;
  color: rgba(232, 227, 216, 0.3);
}

.page-contact .contact-crumb a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 198, 0.35);
}

.page-contact .contact-crumb a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(30px, 5vw, 64px) clamp(48px, 7vw, 96px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  align-items: end;
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
  }
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(36px, 7.2vw, 104px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 14px 0 0;
  overflow-wrap: break-word;
}

.page-contact .contact-hero__text {
  max-width: 60ch;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(232, 227, 216, 0.78);
}

.page-contact .contact-hero__panel {
  border-left: 2px solid var(--cyan);
  padding-left: clamp(16px, 2vw, 24px);
}

.page-contact .contact-hero__panel .kicker {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .contact-hero__panel .data-row {
  display: grid;
  grid-template-columns: minmax(74px, auto) minmax(0, 1fr);
  gap: 4px 14px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(232, 227, 216, 0.14);
  font-size: 14px;
}

.page-contact .contact-hero__panel .data-row:last-child {
  border-bottom: 0;
}

.page-contact .contact-hero__panel .data-row__key {
  color: rgba(232, 227, 216, 0.55);
  letter-spacing: 0.06em;
}

.page-contact .contact-hero__panel .data-row__value {
  color: var(--paper);
  line-height: 1.6;
}

/* ---------- 区块标题通用 ---------- */
.page-contact .contact-head {
  max-width: 68ch;
  margin-bottom: clamp(26px, 3.6vw, 46px);
}

.page-contact .contact-head__title,
.page-contact .contact-write__title,
.page-contact .contact-partner__title {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.16;
}

.page-contact .contact-head__text {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 三种联系通道 ---------- */
.page-contact .contact-channels {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-contact .contact-band {
  margin: 0 0 clamp(34px, 4.4vw, 58px);
}

.page-contact .contact-band__frame {
  aspect-ratio: 16 / 6;
  overflow: hidden;
  border-radius: var(--radius);
}

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

.page-contact .contact-cards {
  display: grid;
  gap: clamp(32px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(18px, 2vw, 26px);
    align-items: start;
    padding-top: 34px;
  }

  .page-contact .contact-card--mail {
    grid-column: 1 / span 5;
  }

  .page-contact .contact-card--phone {
    grid-column: 6 / span 4;
    margin-top: clamp(26px, 4vw, 54px);
  }

  .page-contact .contact-card--addr {
    grid-column: 10 / span 3;
    margin-top: clamp(52px, 8vw, 108px);
  }
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 32px) clamp(18px, 2.2vw, 26px) clamp(18px, 2.2vw, 24px);
  background: var(--card);
  color: var(--charcoal);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

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

.page-contact .contact-card__tab {
  position: absolute;
  left: 18px;
  bottom: 100%;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--charcoal);
  background: var(--cyan);
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-contact .contact-card--phone .contact-card__tab {
  background: var(--lime);
}

.page-contact .contact-card--addr .contact-card__tab {
  background: var(--orange);
}

.page-contact .contact-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #7d837a;
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(11, 42, 36, 0.22);
}

.page-contact .contact-card--mail .contact-card__value {
  word-break: break-all;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: #565B54;
}

.page-contact .contact-card__scenes {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 14px 0 0;
}

.page-contact .contact-card__scene {
  font-size: 12px;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(11, 42, 36, 0.2);
  background: rgba(11, 42, 36, 0.04);
  color: #565B54;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .contact-card:hover .contact-card__scene {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--charcoal);
}

/* ---------- 怎么写一封信 ---------- */
.page-contact .contact-write {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-contact .contact-write__grid {
  display: grid;
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-contact .contact-write__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
    gap: clamp(40px, 6vw, 84px);
  }
}

.page-contact .contact-write__head .prose {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: #565B54;
}

.page-contact .contact-write__aside {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #565B54;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-contact .contact-write__aside a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-contact .mail-sheet {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 2.6vw, 32px);
  box-shadow: 0 18px 40px -32px rgba(11, 42, 36, 0.6);
}

.page-contact .mail-sheet__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #7d837a;
}

.page-contact .mail-sheet__bar {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}

.page-contact .mail-sheet__bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.page-contact .mail-sheet__bar i:nth-child(1) {
  background: var(--orange);
}

.page-contact .mail-sheet__bar i:nth-child(2) {
  background: var(--lime);
}

.page-contact .mail-sheet__bar i:nth-child(3) {
  background: var(--cyan);
}

.page-contact .mail-sheet__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(199, 191, 176, 0.7);
}

.page-contact .mail-sheet__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

@media (min-width: 560px) {
  .page-contact .mail-sheet__row {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-contact .mail-sheet__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink);
  font-weight: 600;
}

.page-contact .mail-sheet__val {
  font-size: 15px;
  line-height: 1.75;
  color: #565B54;
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-rhythm {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-contact .contact-rhythm__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-rhythm__list .timeline__item {
  position: relative;
  border-left: 1px solid rgba(199, 191, 176, 0.9);
  padding: 0 0 32px 26px;
}

.page-contact .contact-rhythm__list .timeline__item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .contact-rhythm__list .timeline__dot {
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.page-contact .contact-rhythm__list .is-current .timeline__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(59, 224, 198, 0.22);
}

.page-contact .contact-rhythm__list .timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #7d837a;
  margin-bottom: 8px;
}

.page-contact .contact-rhythm__list .timeline__title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-rhythm__list .timeline__text {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: #565B54;
}

/* ---------- 常见场景速查 ---------- */
.page-contact .contact-scenes {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-contact .contact-scenes__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-contact .contact-scenes__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
}

.page-contact .contact-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 2.2vw, 26px);
}

.page-contact .contact-tabs__btn {
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(232, 227, 216, 0.28);
  background: transparent;
  color: rgba(232, 227, 216, 0.78);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .contact-tabs__btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .contact-tabs__btn[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--charcoal);
}

.page-contact .contact-tabs__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .contact-tabs__panel {
  border: 1px solid rgba(232, 227, 216, 0.18);
  border-radius: var(--radius);
  background: rgba(16, 59, 54, 0.62);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .contact-tabs__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-tabs__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 227, 216, 0.76);
  max-width: 58ch;
}

.page-contact .contact-tabs__row {
  display: grid;
  grid-template-columns: minmax(80px, auto) minmax(0, 1fr);
  gap: 4px 18px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(232, 227, 216, 0.14);
  font-size: 14px;
}

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

.page-contact .contact-tabs__row .data-row__key {
  color: rgba(232, 227, 216, 0.55);
  letter-spacing: 0.06em;
}

.page-contact .contact-tabs__row .data-row__value {
  font-family: var(--font-mono);
  color: var(--lime);
  line-height: 1.6;
}

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

.page-contact .contact-scenes__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--radius);
}

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

.page-contact .contact-scenes__figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(232, 227, 216, 0.6);
}

/* ---------- 合作与投稿 ---------- */
.page-contact .contact-partner {
  padding-block: clamp(52px, 7vw, 96px);
}

.page-contact .contact-partner .contact-head__text {
  color: rgba(232, 227, 216, 0.78);
}

.page-contact .contact-partner__cols {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
}

@media (min-width: 860px) {
  .page-contact .contact-partner__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .contact-partner__col {
  padding: clamp(22px, 2.6vw, 32px);
  border: 1px solid rgba(232, 227, 216, 0.2);
  border-radius: var(--radius);
  background: rgba(11, 42, 36, 0.28);
}

.page-contact .contact-partner__num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .contact-partner__title {
  margin: 0 0 14px;
  color: var(--paper);
  font-size: clamp(20px, 2.4vw, 26px);
}

.page-contact .contact-partner__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(232, 227, 216, 0.78);
}

.page-contact .contact-partner__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .contact-partner__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 227, 216, 0.72);
}

.page-contact .contact-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .contact-partner__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(232, 227, 216, 0.16);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(232, 227, 216, 0.65);
}

.page-contact .contact-partner__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 224, 198, 0.35);
}

/* ---------- 页尾收口 ---------- */
.page-contact .contact-signoff {
  background: var(--charcoal);
  padding-block: clamp(30px, 4vw, 48px);
}

.page-contact .contact-signoff__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
}

.page-contact .contact-signoff__brand {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-contact .contact-signoff__legal,
.page-contact .contact-signoff__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(232, 227, 216, 0.58);
}

.page-contact .contact-signoff__cta {
  margin-left: auto;
}

@media (max-width: 640px) {
  .page-contact .contact-signoff__cta {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

  .page-contact .contact-band__frame {
    aspect-ratio: 16 / 10;
  }

  .page-contact .contact-tabs__btn {
    font-size: 13px;
    padding: 8px 13px;
  }

  .page-contact .contact-card__scenes {
    padding-top: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card__scene,
  .page-contact .contact-tabs__btn {
    transition: none;
  }

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