.page-contact {
  background: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 4vw, 2.4rem) 0 clamp(2.8rem, 7vw, 5.2rem);
  background: var(--ink);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -55%;
  width: 78%;
  height: 90%;
  background: radial-gradient(closest-side, rgba(198, 255, 46, 0.16), transparent 72%);
  pointer-events: none;
}

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

.page-contact .contact-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 clamp(1.4rem, 4vw, 2.4rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-contact .contact-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "›";
  margin-right: 0.55rem;
  color: rgba(255, 255, 255, 0.32);
}

.page-contact .contact-hero .breadcrumb__link {
  color: rgba(255, 255, 255, 0.58);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-contact .contact-hero .breadcrumb__current {
  color: var(--lime);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3.2rem);
}

.page-contact .contact-h1 {
  margin: 0 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 9vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .contact-h1__accent {
  color: var(--lime);
  padding-right: 0.08em;
}

.page-contact .contact-lede {
  max-width: 33em;
  margin: 0;
  font-size: clamp(0.95rem, 2.3vw, 1.06rem);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .quick {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
}

.page-contact .quick__item {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  padding-top: 0.85rem;
}

.page-contact .quick__label {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-contact .quick__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 3.5vw, 1.7rem);
  line-height: 1.25;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .quick__note {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.5);
}

/* 状态面板 */
.page-contact .status-panel {
  position: relative;
  padding: 1.25rem 1.1rem 1.4rem;
  background: var(--console);
  border: 1px solid rgba(255, 255, 255, 0.13);
}

.page-contact .status-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 54px;
  height: 3px;
  background: var(--lime);
}

.page-contact .status-panel__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
}

.page-contact .status-panel__title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--white);
}

.page-contact .status-panel__meta {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
}

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

.page-contact .status-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.9rem 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.11);
}

.page-contact .status-row .status-dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(198, 255, 46, 0.14);
}

.page-contact .status-row__name {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.88);
}

.page-contact .status-row__state {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--lime);
  white-space: nowrap;
}

.page-contact .status-panel__foot {
  margin: 1rem 0 0;
  padding-left: 0.75rem;
  border-left: 2px solid var(--orange);
  font-size: 0.8rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.56);
}

/* ---------- 通道对照 ---------- */
.page-contact .contact-channels {
  padding: clamp(2.8rem, 7vw, 5rem) 0;
  background: var(--paper);
}

.page-contact .section-head {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 4vw, 2.4rem);
}

.page-contact .section-head .display-md {
  margin: 0.5rem 0 0.7rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.02;
}

.page-contact .section-head__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}

.page-contact .contact-filter .filter-btn {
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .contact-filter .filter-btn:hover,
.page-contact .contact-filter .filter-btn:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .contact-filter .filter-btn[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.page-contact .contact-filter .filter-btn [data-filter-total] {
  margin-left: 0.3rem;
  opacity: 0.62;
}

.page-contact .contact-filter .filter-status {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .channel-card {
  padding: 1.4rem 1.2rem 1.6rem;
  background: var(--white);
  transition: background var(--dur) var(--ease);
}

.page-contact .channel-card:hover {
  background: var(--paper);
}

.page-contact [data-filter-item][hidden] {
  display: none;
}

.page-contact .channel-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .channel-card__title {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.24rem, 3.6vw, 1.55rem);
  line-height: 1.2;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__list {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 2px;
  background: var(--blue);
}

.page-contact .channel-card__foot {
  margin: 1.05rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-time {
  padding: clamp(2.8rem, 7vw, 5rem) 0;
  background: var(--console);
}

.page-contact .time-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 5vw, 3rem);
}

.page-contact .time-intro .display-md {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .time-text {
  margin: 0;
  max-width: 30em;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.62);
}

.page-contact .time-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-contact .time-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding: 1.1rem 0 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.page-contact .time-row__k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-contact .time-row__v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.2rem, 4.4vw, 1.7rem);
  line-height: 1.15;
  color: var(--lime);
}

.page-contact .time-row__note {
  font-size: 0.84rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-coop {
  padding: clamp(2.8rem, 7vw, 5rem) 0;
  background: var(--paper);
}

.page-contact .coop-list {
  border-top: 2px solid var(--ink);
}

.page-contact .coop-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.55rem;
  padding: 1.5rem 0 1.6rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-row__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .coop-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 4vw, 1.7rem);
  line-height: 1.15;
  color: var(--ink);
}

.page-contact .coop-row__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .coop-row__body .coop-row__hint {
  margin-top: 0.55rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--lime);
  color: var(--ink);
  font-size: 0.86rem;
}

/* ---------- 联系前准备 ---------- */
.page-contact .contact-prep {
  padding: clamp(2.8rem, 7vw, 5rem) 0;
  background: var(--paper-deep);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 5vw, 3rem);
  align-items: start;
}

.page-contact .prep-copy .display-md {
  margin: 0.5rem 0 1.3rem;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 9px;
  height: 9px;
  background: var(--lime);
  border: 1px solid var(--ink);
}

.page-contact .prep-list__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  margin-bottom: 0.15rem;
}

.page-contact .prep-note {
  margin: 1.3rem 0 0;
  padding: 0.85rem 0 0;
  border-top: 1px dashed var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .media {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--console);
}

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

.page-contact .media__caption {
  margin: 0;
  padding: 0.6rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.62);
  background: var(--console);
}

/* ---------- 本地沟通 ---------- */
.page-contact .contact-local {
  padding: clamp(2.8rem, 7vw, 5rem) 0;
  background: var(--paper);
}

.page-contact .local-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.4rem);
  align-items: stretch;
}

.page-contact .local-media {
  order: -1;
}

.page-contact .addr-label {
  position: relative;
  padding: 1.5rem 1.25rem 1.7rem;
  background: var(--white);
  border: 1px solid var(--ink);
  box-shadow: 8px 8px 0 var(--paper-deep), 8px 8px 0 1px var(--line);
}

.page-contact .addr-label__tag {
  display: inline-block;
  margin: 0 0 0.9rem;
  padding: 0.28rem 0.65rem;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
}

.page-contact .addr-label__title {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  line-height: 1.1;
  color: var(--ink);
}

.page-contact .addr-label__text {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .addr-label__note {
  margin: 0 0 1.2rem;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .addr-label__btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 反馈 ---------- */
.page-contact .contact-feedback {
  padding: clamp(2.6rem, 6vw, 4.4rem) 0;
  background: var(--ink);
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-contact .feedback-copy .display-md {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-contact .feedback-text {
  margin: 0;
  max-width: 32em;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.66);
}

.page-contact .feedback-links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-contact .feedback-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .feedback-link__i {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.page-contact .feedback-link__t {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--dur) var(--ease);
}

.page-contact .feedback-link:hover .feedback-link__t,
.page-contact .feedback-link:focus-visible .feedback-link__t {
  color: var(--lime);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 760px) {
  .page-contact .quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.6rem;
  }

  .page-contact .time-row {
    grid-template-columns: 8rem minmax(0, 10rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 1.2rem;
  }

  .page-contact .coop-row {
    grid-template-columns: 4.5rem minmax(0, 14rem) minmax(0, 1fr);
    gap: 1.8rem;
    align-items: start;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 3.4rem;
  }

  .page-contact .status-panel {
    margin-top: 0.6rem;
  }

  .page-contact .time-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 3.4rem;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3.2rem;
  }

  .page-contact .local-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 2.8rem;
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 3.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .feedback-link__t,
  .page-contact .contact-hero .breadcrumb__link {
    transition: none;
  }
}