.page-contact {
  --contact-line: rgba(13, 26, 43, 0.16);
  --contact-line-soft: rgba(13, 26, 43, 0.08);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--paper);
  padding-block: clamp(1.25rem, 3vw, 2rem) clamp(2.25rem, 5vw, 3.75rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -10%;
  width: min(760px, 68%);
  height: 128%;
  background: linear-gradient(158deg, var(--green) 0%, var(--ink) 94%);
  clip-path: polygon(32% 0%, 100% 0%, 100% 100%, 0% 100%);
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(1.2rem, 3vw, 2.25rem);
}

.page-contact .contact-hero__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 6.6vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--ink);
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  margin-top: clamp(0.8rem, 2vw, 1.15rem);
  max-width: 46ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: clamp(1.1rem, 3vw, 1.6rem);
}

.page-contact .contact-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: clamp(0.9rem, 2.4vw, 1.3rem);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-2);
}

.page-contact .contact-hero__art {
  position: relative;
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line-paper);
  box-shadow: var(--shadow-lift);
  clip-path: polygon(4% 0, 100% 0, 100% 92%, 0 100%);
  background: var(--ink);
}

.page-contact .contact-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 章节胶囊 ---------- */
.page-contact .chapter-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1rem, 3vw, 1.75rem);
}

/* ---------- 区块通用 ---------- */
.page-contact .contact-head {
  max-width: 60ch;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}

.page-contact .contact-head .display-l {
  margin: 0.4rem 0 0.8rem;
}

.page-contact .contact-rule {
  position: relative;
  height: 1px;
  margin-block: clamp(1.2rem, 3.5vw, 2.25rem);
  background: var(--contact-line-soft);
}

.page-contact .contact-rule::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--contact-line) 0 1px, transparent 1px 26px);
}

.page-contact .inline-link {
  color: var(--green-2);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-contact .inline-link:hover {
  color: var(--orange);
}

.page-contact .channel-foot {
  margin: clamp(1.4rem, 3.6vw, 2.2rem) 0 0;
  font-size: 0.92rem;
  color: var(--ink-2);
}

/* ---------- 联系通道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: clamp(0.9rem, 2.2vw, 1.4rem);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.2rem, 2.6vw, 1.75rem);
  border-radius: var(--radius-l);
  border: 1px solid var(--line);
  background: var(--paper);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--index) 0 1px, transparent 1px 15px);
  opacity: 0.45;
}

.page-contact .channel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: var(--line-strong);
}

.page-contact .channel-card--glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-contact .channel-card--ink {
  background: linear-gradient(150deg, var(--ink) 0%, var(--green) 100%);
  border-color: var(--line-paper);
  color: var(--paper);
}

.page-contact .channel-card--ink::before {
  background-image: repeating-linear-gradient(90deg, var(--cyan) 0 1px, transparent 1px 15px);
  opacity: 0.5;
}

.page-contact .channel-card__label {
  margin: 0.35rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--index);
}

.page-contact .channel-card--ink .channel-card__label {
  color: var(--cyan);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.06rem, 2.6vw, 1.28rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: inherit;
}

.page-contact .channel-card__value {
  margin: 0.2rem 0 0.35rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card__value--mail {
  font-size: clamp(0.82rem, 2.1vw, 1.02rem);
}

.page-contact .channel-card--ink .channel-card__value {
  color: var(--paper);
}

.page-contact .channel-card__note {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .channel-card--ink .channel-card__note {
  color: rgba(244, 239, 230, 0.78);
}

.page-contact .channel-card .btn {
  align-self: flex-start;
}

.page-contact .channel-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.page-contact .channel-card__figure {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--contact-line);
  background: var(--paper-2);
}

.page-contact .channel-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-contact .channel-card--time {
  display: grid;
  gap: 1.1rem;
  align-items: center;
}

/* ---------- 咨询前提 ---------- */
.page-contact .before-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.5rem);
}

.page-contact .before-intro .display-l {
  margin: 0.4rem 0 0.85rem;
}

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .route-item__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: clamp(0.85rem, 2vw, 1.1rem) clamp(0.95rem, 2.2vw, 1.25rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-contact .route-item__link:hover {
  transform: translateY(-3px);
  border-color: var(--green-2);
  background: var(--paper-2);
}

.page-contact .route-item__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .route-item__body {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}

.page-contact .route-item__title {
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.5;
}

.page-contact .route-item__desc {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ink-2);
}

.page-contact .route-item__arrow {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--index);
}

/* ---------- 订阅与通道咨询 ---------- */
.page-contact .subscribe-grid {
  display: grid;
  gap: clamp(1.4rem, 3.6vw, 2.5rem);
}

.page-contact .subscribe-intro .display-l {
  margin: 0.4rem 0 0.85rem;
}

.page-contact .info-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--paper-2);
  padding: clamp(1.2rem, 3vw, 1.9rem);
}

.page-contact .info-panel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.page-contact .info-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .info-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--contact-line);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .info-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .info-list__index {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--green-2);
}

.page-contact .info-panel__foot {
  margin: 1.15rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--ink-2);
  overflow-wrap: anywhere;
}

/* ---------- 合作与对接 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: clamp(1.4rem, 3.6vw, 2.4rem);
}

.page-contact .partner-head .display-l {
  margin: 0.4rem 0 0.9rem;
  color: var(--paper);
}

.page-contact .partner-head .lede {
  color: rgba(244, 239, 230, 0.82);
}

.page-contact .partner-cards {
  display: grid;
  gap: clamp(0.9rem, 2.2vw, 1.3rem);
}

.page-contact .partner-card {
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-l);
  padding: clamp(1.15rem, 2.8vw, 1.7rem);
  background: rgba(244, 239, 230, 0.07);
}

.page-contact .partner-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .partner-card__title {
  margin: 0.55rem 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.02rem, 2.4vw, 1.18rem);
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .partner-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-contact .partner-card__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(244, 239, 230, 0.82);
}

.page-contact .partner-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-contact .partner-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.1rem;
}

.page-contact .partner-actions__note {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(244, 239, 230, 0.78);
  overflow-wrap: anywhere;
}

/* ---------- 地区坐标 ---------- */
.page-contact .region-grid {
  display: grid;
  gap: clamp(1.1rem, 3vw, 2rem);
  align-items: start;
}

.page-contact .region-mark {
  border-left: 3px solid var(--orange);
  padding-left: 1rem;
}

.page-contact .region-mark__tag {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.6vw, 1.45rem);
  letter-spacing: 0.14em;
  color: var(--ink);
}

.page-contact .region-copy .display-l {
  margin: 0 0 0.85rem;
}

.page-contact .region-copy p {
  margin: 0 0 0.85rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink-2);
  max-width: 42ch;
}

.page-contact .region-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .channel-card--time {
    grid-template-columns: minmax(0, 1fr) 168px;
  }
}

@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

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

  .page-contact .subscribe-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
}

@media (min-width: 1060px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-card--time {
    grid-column: span 2;
    grid-template-columns: minmax(0, 1fr) 200px;
  }

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

@media (max-width: 719px) {
  .page-contact .contact-hero::before {
    top: auto;
    bottom: -8%;
    right: -18%;
    left: -18%;
    width: auto;
    height: 52%;
    clip-path: polygon(0 42%, 100% 0, 100% 100%, 0 100%);
  }

  .page-contact .contact-hero__art {
    clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .route-item__link:hover {
    transform: none;
  }
}