.page-contact {
  --contact-shadow: 6px 6px 0 rgba(4, 16, 13, 0.72);
  --contact-shadow-lg: 8px 8px 0 rgba(4, 16, 13, 0.72);
  background: var(--ink-000);
  color: var(--paper);
  overflow-x: hidden;
}

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

.page-contact .breadcrumb {
  padding-block: 18px 6px;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(20px, 3vw, 34px) clamp(36px, 5vw, 70px);
  background:
    radial-gradient(130% 110% at 100% 0%, rgba(46, 111, 94, 0.55), transparent 62%),
    linear-gradient(180deg, var(--ink-050), var(--ink-000));
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.16;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  min-width: 0;
}

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

.page-contact .kicker {
  color: var(--amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-contact .contact-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 3.9rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .contact-hero .lede {
  margin-top: 16px;
  max-width: 46ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__quick .btn {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  aspect-ratio: 14 / 9;
  border: 2px solid var(--line);
  box-shadow: var(--contact-shadow-lg);
  overflow: hidden;
  background: var(--ink-100);
}

.page-contact .contact-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 两张联系卡 */
.page-contact .contact-channels {
  padding-block: clamp(32px, 5vw, 64px);
  background: var(--ink-000);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-contact .channel-card {
  min-width: 0;
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--ink-100);
  border: 2px solid var(--line);
  box-shadow: var(--contact-shadow);
}

.page-contact .channel-card--direct {
  background:
    linear-gradient(160deg, var(--ink-200), var(--ink-100) 55%);
}

.page-contact .channel-card__num {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .channel-card__note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-line {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-line__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .contact-line__value {
  display: inline-block;
  margin-top: 6px;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.6vw, 1.3rem);
  font-weight: 600;
  color: var(--amber);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(255, 179, 64, 0.5);
  transition: color 160ms ease, border-color 160ms ease;
}

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

.page-contact .contact-line__value--tel {
  letter-spacing: 0.04em;
}

.page-contact .contact-line__hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

/* 提交清单 */
.page-contact .channel-card__head {
  min-width: 0;
}

.page-contact .checklist {
  margin-top: 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .checklist .cue {
  border-top: 1px solid var(--line);
}

.page-contact .cue__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 2px;
  background: transparent;
  border: 0;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.page-contact .cue__trigger:hover,
.page-contact .cue__trigger:focus-visible {
  color: var(--amber);
  background: rgba(31, 74, 61, 0.28);
  outline: none;
}

.page-contact .cue__num {
  flex: 0 0 auto;
  min-width: 22px;
  color: var(--cold, var(--cyan));
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-contact .cue__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-contact .cue__sign {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--amber);
  transition: color 160ms ease, transform 180ms ease;
}

.page-contact .cue__trigger[aria-expanded="true"] .cue__sign {
  color: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .cue__panel {
  padding: 0 2px 16px 34px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.85;
}

.page-contact .channel-card__media {
  position: relative;
  margin: 22px 0 0;
  aspect-ratio: 4 / 3;
  border: 2px solid var(--line);
  overflow: hidden;
  background: var(--ink-200);
}

.page-contact .channel-card__media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 回复节奏 / 合作 / 地址 */
.page-contact .contact-meta {
  padding-block: clamp(30px, 5vw, 64px);
  background: linear-gradient(180deg, var(--ink-000), var(--ink-050));
  border-top: 2px solid var(--line);
}

.page-contact .contact-meta__intro {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .contact-meta__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-meta__grid {
  display: grid;
  background: var(--ink-100);
  border: 2px solid var(--line);
  box-shadow: var(--contact-shadow);
  min-width: 0;
}

.page-contact .contact-meta__cell {
  min-width: 0;
  padding: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}

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

.page-contact .contact-meta__head {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-meta__cell p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

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

.page-contact .contact-meta__cell a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 197, 0.4);
}

.page-contact .contact-meta__cell a:hover,
.page-contact .contact-meta__cell a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

.page-contact .contact-meta__cell--address {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-color: var(--ink-200);
}

.page-contact .contact-address {
  display: block;
  margin: 0 0 12px;
  padding: 10px 12px;
  background: var(--ink-000);
  border-left: 3px solid var(--amber);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  font-style: normal;
  word-break: break-word;
}

/* 延伸入口 */
.page-contact .contact-next {
  padding-block: clamp(30px, 5vw, 68px);
  background: var(--ink-000);
  border-top: 2px solid var(--line);
}

.page-contact .contact-next__inner {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  min-width: 0;
}

.page-contact .contact-next__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .contact-next__lead p {
  margin: 12px 0 0;
  max-width: 42ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .contact-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-next__list li {
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-next__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px;
  color: var(--paper);
  font-size: 14.5px;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease, padding-left 160ms ease;
}

.page-contact .contact-next__list a:hover,
.page-contact .contact-next__list a:focus-visible {
  color: var(--amber);
  background: rgba(31, 74, 61, 0.3);
  padding-left: 10px;
  outline: none;
}

.page-contact .contact-next__list .num {
  flex: 0 0 auto;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.1em;
}

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

@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

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

  .page-contact .contact-meta__cell:nth-child(2) {
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .contact-meta__cell:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }

  .page-contact .contact-hero h1 {
    font-size: clamp(2.6rem, 4.2vw, 4rem);
  }

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

  .page-contact .contact-meta__cell:nth-child(3) {
    grid-column: auto;
    border-left: 1px solid var(--line);
    border-top: 0;
  }

  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-line__value,
  .page-contact .cue__trigger,
  .page-contact .cue__sign,
  .page-contact .contact-next__list a {
    transition: none;
  }

  .page-contact .cue__trigger[aria-expanded="true"] .cue__sign {
    transform: none;
  }
}

.page-contact {
  --cold: currentColor;
}