.page-contact {
  --contact-hero-h: 19rem;
  --contact-card-pad: 1.5rem;
  --route-stroke: #2E4A66;
  --route-glow: #00E676;
  --contact-gap: 4rem;

  background-color: var(--c-space);
  color: var(--c-moon);
  font-family: var(--font-body);
  line-height: 1.7;
  position: relative;
  overflow-x: hidden;
}

/* ===== 面包屑 ===== */
.page-contact .contact-breadcrumb {
  padding: 1rem 1.25rem 0;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}
.page-contact .contact-breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-contact .contact-breadcrumb a:hover {
  color: var(--c-neon);
}
.page-contact .contact-breadcrumb .sep {
  margin: 0 0.5rem;
  color: var(--c-grid);
}
.page-contact .contact-breadcrumb [aria-current="page"] {
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* ===== Hero 横幅 ===== */
.page-contact .contact-hero {
  position: relative;
  margin: 0.5rem 1.25rem 0;
  border-radius: 14px;
  overflow: hidden;
  min-height: var(--contact-hero-h);
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  border: 1px solid var(--c-grid);
}
.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 31, 51, 0.3) 0%, rgba(10, 31, 51, 0.7) 65%, var(--c-space) 100%);
  z-index: -1;
}
.page-contact .hero-content {
  padding: 2rem 1.5rem 2.4rem;
  width: 100%;
}
.page-contact .hero-chip {
  background: rgba(10, 31, 51, 0.72);
  border: 1px solid rgba(0, 230, 118, 0.5);
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  display: inline-block;
  margin-bottom: 0.75rem;
}
.page-contact .hero-content h1 {
  font-size: clamp(1.55rem, 5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.22;
  margin: 0 0 0.75rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.5);
}
.page-contact .hero-content h1 span {
  display: block;
  color: var(--c-neon);
}
.page-contact .hero-content p {
  color: var(--c-mist);
  max-width: 40rem;
  font-size: 0.94rem;
  margin: 0;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

/* ===== 框架容器 ===== */
.page-contact .contact-frame {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
}

/* ===== 区块标题 ===== */
.page-contact .block-heading {
  margin-bottom: 1.5rem;
}
.page-contact .heading-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-neon);
  border: 1px solid var(--c-grid);
  border-left: 3px solid var(--c-neon);
  padding: 0.25rem 0.6rem;
  margin-bottom: 0.75rem;
  background: rgba(0, 230, 118, 0.03);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}
.page-contact .block-heading h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0 0 0.25rem;
  letter-spacing: 0.02em;
}
.page-contact .block-heading p {
  color: var(--c-mist);
  margin: 0;
  font-size: 0.92rem;
}

/* ===== 联系方式卡片 ===== */
.page-contact .method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-contact .method-card {
  background: linear-gradient(135deg, var(--c-panel) 0%, rgba(19, 44, 69, 0.65) 100%);
  border: 1px solid var(--c-grid);
  border-left: 4px solid transparent;
  border-radius: 10px;
  padding: var(--contact-card-pad);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}
.page-contact .method-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.page-contact .mail-card {
  border-left-color: var(--c-neon);
}
.page-contact .phone-card {
  border-left-color: var(--c-ember);
}
.page-contact .addr-card {
  border-left-color: var(--c-violet);
}
.page-contact .method-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 8px;
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  background: rgba(0, 0, 0, 0.25);
  font-family: var(--font-mono);
}
.page-contact .mail-card .method-symbol {
  color: var(--c-neon);
  border: 1px solid rgba(0, 230, 118, 0.4);
}
.page-contact .phone-card .method-symbol {
  color: var(--c-ember);
  border: 1px solid rgba(255, 110, 64, 0.4);
}
.page-contact .addr-card .method-symbol {
  color: var(--c-violet);
  border: 1px solid rgba(179, 136, 255, 0.4);
}
.page-contact .method-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-mist);
  margin-bottom: 0.35rem;
}
.page-contact .method-main {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--c-moon);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.4;
  transition: color 0.2s ease;
}
.page-contact .mail-card .method-main:hover {
  color: var(--c-neon);
}
.page-contact .phone-card .method-main:hover {
  color: var(--c-ember);
}
.page-contact .method-note {
  display: block;
  color: var(--c-mist);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* ===== 插画 + 回复 ===== */
.page-contact .contact-mid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-contact .contact-illus {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--c-grid);
  background: var(--c-panel);
}
.page-contact .contact-illus img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  min-height: 240px;
}
.page-contact .reply-panel {
  background: linear-gradient(160deg, var(--c-panel) 0%, rgba(10, 31, 51, 0.78) 100%);
  border: 1px solid var(--c-grid);
  border-radius: 14px;
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
}
.page-contact .reply-panel::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -30%;
  width: 80%;
  height: 160%;
  background: linear-gradient(120deg, transparent, rgba(0, 230, 118, 0.05), rgba(179, 136, 255, 0.1), transparent);
  transform: rotate(18deg);
  z-index: 0;
  pointer-events: none;
}
.page-contact .reply-panel > * {
  position: relative;
  z-index: 1;
}
.page-contact .reply-core {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--c-moon);
  border-left: 3px solid var(--c-neon);
  padding-left: 1rem;
  margin: 0.75rem 0 1.5rem;
}
.page-contact .reply-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.4);
  border-radius: 999px;
  padding: 0.35rem 1rem 0.35rem 0.35rem;
  margin-bottom: 1.25rem;
}
.page-contact .badge-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--c-neon);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  line-height: 1.2;
}
.page-contact .badge-label {
  font-size: 0.85rem;
  color: var(--c-mist);
}
.page-contact .reply-extra {
  font-size: 0.9rem;
  color: var(--c-mist);
  margin: 0;
}

/* ===== 合作方向 ===== */
.page-contact .coop-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-contact .coop-item {
  background: rgba(19, 44, 69, 0.45);
  border: 1px solid var(--c-grid);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-contact .coop-item:hover {
  border-color: rgba(0, 230, 118, 0.5);
  transform: translateY(-2px);
}
.page-contact .coop-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-ember);
  background: rgba(255, 110, 64, 0.08);
  border: 1px solid rgba(255, 110, 64, 0.3);
  border-radius: 6px;
  width: 1.8rem;
  height: 1.8rem;
  line-height: 1.6rem;
  text-align: center;
  margin-bottom: 0.85rem;
  clip-path: polygon(0 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}
.page-contact .coop-item h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
}
.page-contact .coop-item p {
  color: var(--c-mist);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== 路线 SVG ===== */
.page-contact .contact-route {
  background: linear-gradient(180deg, transparent, rgba(19, 44, 69, 0.35), transparent);
  border-top: 1px solid var(--c-grid);
  border-bottom: 1px solid var(--c-grid);
  padding: 2rem 0;
  text-align: center;
}
.page-contact .route-svg {
  width: 100%;
  height: auto;
  max-height: 130px;
  display: block;
  margin-bottom: 0.75rem;
}
.page-contact .route-path {
  fill: none;
  stroke: var(--route-stroke);
  stroke-width: 2;
  stroke-dasharray: 8 6;
}
.page-contact .route-node {
  fill: var(--route-glow);
  stroke: var(--c-space);
  stroke-width: 2;
}
.page-contact .contact-route p {
  color: var(--c-mist);
  font-size: 0.9rem;
  max-width: 36rem;
  margin: 0 auto;
}

/* ===== 更多帮助 ===== */
.page-contact .more-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}
.page-contact .more-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  border-radius: 8px;
  color: var(--c-moon);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.page-contact .more-link:hover {
  background: rgba(0, 230, 118, 0.08);
  border-color: var(--c-neon);
  transform: translateX(4px);
}
.page-contact .more-arrow {
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: 1.1rem;
}
.page-contact .more-tip {
  margin: 1.5rem 0 0;
  color: var(--c-mist);
  font-size: 0.85rem;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-contact {
    --contact-hero-h: 26rem;
    --contact-gap: 5rem;
  }
  .page-contact .contact-breadcrumb {
    padding: 1.5rem 2rem 0;
    font-size: 0.9rem;
  }
  .page-contact .contact-hero {
    margin: 1rem 2rem 0;
    border-radius: 18px;
  }
  .page-contact .hero-content {
    padding: 3.5rem 3rem;
  }
  .page-contact .hero-content h1 {
    font-size: clamp(2rem, 4vw, 3rem);
  }
  .page-contact .hero-content p {
    font-size: 1rem;
  }
  .page-contact .contact-frame {
    padding: 3.5rem 2rem 5rem;
  }

  .page-contact .method-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-contact .method-card {
    padding: 2rem;
  }
  .page-contact .method-main {
    font-size: 1.4rem;
  }

  .page-contact .contact-mid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    gap: 2.5rem;
    align-items: stretch;
  }
  .page-contact .contact-illus img {
    min-height: 360px;
  }
  .page-contact .reply-panel {
    padding: 2.5rem;
  }

  .page-contact .coop-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  .page-contact .coop-item {
    padding: 2rem;
  }

  .page-contact .contact-route {
    padding: 2.5rem 0;
  }
  .page-contact .route-svg {
    max-height: 120px;
  }

  .page-contact .more-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .more-link {
    padding: 1.1rem 1.4rem;
  }
  .page-contact .more-tip {
    margin-top: 2rem;
  }
}