.page-contact {
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  border-bottom: 1px solid var(--grid);
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(90deg, rgba(31, 58, 46, 0.55) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, rgba(31, 58, 46, 0.4) 0 1px, transparent 1px 84px);
}

.page-contact .contact-hero__top {
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(26px, 5vw, 54px);
}

.page-contact .contact-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .contact-crumbs a {
  color: var(--dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .contact-crumbs li + li::before {
  content: "/ ";
  color: var(--grid);
}

.page-contact .contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-contact .contact-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--lime);
}

.page-contact .contact-hero h1 {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  max-width: 16em;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 74px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .contact-hero__lead {
  max-width: 40em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--dim);
}

.page-contact .contact-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .contact-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--grid);
  background: rgba(18, 48, 36, 0.65);
  color: var(--text);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .contact-jump__link span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

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

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

.page-contact .contact-hero__band img {
  display: block;
  width: 100%;
  height: clamp(150px, 26vw, 300px);
  object-fit: cover;
}

/* ---------- 区块骨架 ---------- */
.page-contact .contact-channels,
.page-contact .contact-rhythm,
.page-contact .contact-collab,
.page-contact .contact-place {
  padding-block: clamp(38px, 7vw, 84px);
}

.page-contact .contact-head {
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-contact .contact-h2 {
  margin: 0 0 10px;
  max-width: 18em;
  font-family: var(--font-display);
  font-size: clamp(25px, 4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact .contact-h2--sm {
  font-size: clamp(21px, 3vw, 28px);
}

.page-contact .contact-head__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 14px;
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 26px) clamp(18px, 2.4vw, 24px) clamp(18px, 2.4vw, 22px);
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lime), var(--orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease);
}

.page-contact .contact-card:hover::after,
.page-contact .contact-card:focus-within::after {
  transform: scaleX(1);
}

.page-contact .contact-card__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px 4px 9px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-contact .contact-card__glyph {
  position: absolute;
  top: 8px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: clamp(42px, 9vw, 62px);
  line-height: 1;
  color: rgba(200, 255, 61, 0.12);
  pointer-events: none;
  user-select: none;
}

.page-contact .contact-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-contact .contact-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.5vw, 15px);
  line-height: 1.55;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--sm {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

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

.page-contact .contact-card__list {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .contact-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.page-contact .contact-card__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-rhythm {
  border-top: 1px solid var(--grid);
}

.page-contact .contact-rhythm__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-contact .contact-rhythm__figure {
  margin: 0;
  border: 1px solid var(--grid);
  background: var(--panel);
}

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

.page-contact .contact-rhythm__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--grid);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .contact-rhythm__lead {
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

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

.page-contact .timeline__row {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--grid);
}

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

.page-contact .timeline__row::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 5px;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-contact .timeline__row:first-child::before {
  background: var(--lime);
}

.page-contact .timeline__time {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-contact .timeline__body h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.3;
  color: var(--text);
}

.page-contact .timeline__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

/* ---------- 数据协作 ---------- */
.page-contact .contact-collab {
  background: var(--paper);
  color: var(--ink);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-contact .contact-collab__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .contact-collab .contact-kicker {
  color: #1E4231;
}

.page-contact .contact-collab .contact-kicker::before {
  background: #1E4231;
}

.page-contact .contact-collab .contact-h2 {
  color: var(--ink);
}

.page-contact .contact-collab__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: #34463D;
}

.page-contact .contact-collab__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 24px;
  padding: 16px 0 0;
  border-top: 1px solid #CBD4C8;
  list-style: none;
}

.page-contact .contact-collab__facts li {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .contact-collab__facts strong {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1;
  color: #123024;
}

.page-contact .contact-collab__facts span {
  font-size: 12px;
  line-height: 1.5;
  color: #4C5F55;
}

.page-contact .contact-collab__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--lime);
  font-size: 14px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .contact-collab__btn:hover,
.page-contact .contact-collab__btn:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-contact .contact-collab__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .checklist {
  counter-reset: ck;
  display: grid;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-contact .checklist li {
  counter-increment: ck;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid #CBD4C8;
}

.page-contact .checklist li::before {
  content: counter(ck, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-contact .checklist strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .checklist p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #4C5F55;
}

.page-contact .contact-collab__how {
  margin: 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background: #E4E9DF;
  font-size: 13.5px;
  line-height: 1.75;
  color: #1E3428;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-place__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .contact-place__panel {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-contact .contact-place__dl {
  margin: 16px 0 0;
  display: grid;
}

.page-contact .contact-place__dl > div {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--grid);
}

.page-contact .contact-place__dl dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-place__dl dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text);
  overflow-wrap: anywhere;
}

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

.page-contact .contact-links li {
  border-top: 1px solid var(--grid);
}

.page-contact .contact-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 44px;
  padding: 12px 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-links a::after {
  content: "→";
  flex: none;
  color: var(--lime);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .contact-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-rhythm__grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .contact-collab__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-contact .contact-place__grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-card:first-child {
    grid-column: auto;
  }

  .page-contact .contact-card:nth-child(2) {
    transform: translateY(14px);
  }

  .page-contact .contact-card:nth-child(3) {
    transform: translateY(28px);
  }

  .page-contact .contact-channels {
    padding-bottom: clamp(70px, 9vw, 110px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card::after,
  .page-contact .contact-jump__link,
  .page-contact .contact-collab__btn,
  .page-contact .contact-links a {
    transition: none;
  }

  .page-contact .contact-card:nth-child(2),
  .page-contact .contact-card:nth-child(3) {
    transform: none;
  }
}