.page-contact {
  --panel-top: calc(var(--bar-h) + 1.5rem);
  padding: clamp(1.4rem, 3.5vw, 3rem) 0 clamp(3rem, 6vw, 5rem);
  background:
    radial-gradient(90% 55% at 100% 0%, rgba(31, 242, 209, 0.08), transparent 62%),
    radial-gradient(70% 50% at 0% 100%, rgba(255, 138, 61, 0.06), transparent 70%),
    var(--bg);
}

.page-contact .contact-shell {
  position: relative;
}

/* 面包屑 */
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 clamp(1.1rem, 2.6vw, 1.9rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.07em;
  color: var(--muted);
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--cyan-700);
}
.page-contact .breadcrumb a {
  color: var(--soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan-500);
  border-bottom-color: var(--cyan-700);
}
.page-contact .breadcrumb li[aria-current] {
  color: var(--paper-050);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.4rem, 3.6vw, 3rem);
  border: 1px solid rgba(31, 242, 209, 0.16);
  border-radius: var(--r-lg);
  background:
    radial-gradient(110% 90% at 88% 6%, rgba(31, 242, 209, 0.16), transparent 60%),
    linear-gradient(155deg, var(--ink-800) 0%, var(--ink-950) 74%);
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(143, 169, 189, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 169, 189, 0.09) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(120% 100% at 100% 0%, #000 10%, transparent 72%);
  -webkit-mask-image: radial-gradient(120% 100% at 100% 0%, #000 10%, transparent 72%);
  pointer-events: none;
}
.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7.4vw, 4.1rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--paper-050);
}
.page-contact .contact-hero .lede {
  margin: clamp(0.9rem, 2vw, 1.4rem) 0 0;
  max-width: 44em;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.85;
  color: var(--soft);
}

.page-contact .hero-notes {
  display: grid;
  gap: 0.65rem;
  margin: clamp(1.2rem, 3vw, 2rem) 0 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 720px) {
  .page-contact .hero-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-contact .hero-notes li {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  padding: 0.75rem 1rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(143, 169, 189, 0.18);
  background: rgba(3, 16, 28, 0.45);
}
.page-contact .note-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.page-contact .note-val {
  font-size: 0.95rem;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}
.page-contact .note-val.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

/* 主体对位网格 */
.page-contact .consult-grid {
  display: grid;
  gap: clamp(1.6rem, 3vw, 2.6rem);
  margin-top: clamp(1.8rem, 4vw, 3rem);
}
@media (min-width: 900px) {
  .page-contact .consult-grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    align-items: start;
  }
}

/* 左侧咨询面板 */
.page-contact .channel-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.25rem, 3vw, 1.9rem);
  border-radius: var(--r-lg);
  border: 1px solid rgba(31, 242, 209, 0.2);
  background:
    linear-gradient(180deg, rgba(13, 42, 64, 0.95) 0%, rgba(11, 79, 90, 0.55) 62%, rgba(7, 26, 43, 0.98) 100%);
  box-shadow: 0 24px 60px -40px rgba(3, 16, 28, 0.95);
}
@media (min-width: 900px) {
  .page-contact .channel-panel {
    position: sticky;
    top: var(--panel-top);
  }
}
.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper-050);
}
.page-contact .channel-hours {
  margin: 0.35rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.65rem, 5vw, 2.15rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--orange-500);
}
.page-contact .channel-hours-note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .channel-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(143, 169, 189, 0.2);
  background: rgba(3, 16, 28, 0.5);
}
.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
}
.page-contact .channel-value {
  font-size: 0.95rem;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}
.page-contact .channel-value.mono {
  font-family: var(--font-mono);
}
.page-contact .channel-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--soft);
}
.page-contact .channel-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.page-contact .rail-foot-line {
  margin: 0.25rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(217, 179, 108, 0.28);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
}

/* 右侧主题流 */
.page-contact .topic-stack {
  display: flex;
  flex-direction: column;
}
.page-contact .topic {
  padding: clamp(1.5rem, 3vw, 2.3rem) 0;
  border-top: 1px solid rgba(143, 169, 189, 0.16);
}
.page-contact .topic:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-contact .topic-title {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper-050);
  transition: color 0.2s ease;
}
.page-contact .topic-idx {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan-700);
  transition: color 0.24s ease;
}
.page-contact [data-chapter].is-current .topic-idx {
  color: var(--orange-500);
}
.page-contact .topic p {
  margin: 0 0 0.9rem;
  max-width: 42em;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--soft);
}
.page-contact .topic-lede {
  color: var(--paper-050);
}
.page-contact .topic p:last-child {
  margin-bottom: 0;
}

/* 入口分流 */
.page-contact .entry-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.2rem;
}
@media (min-width: 820px) {
  .page-contact .entry-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}
.page-contact .route-strip {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media (min-width: 620px) {
  .page-contact .route-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .route-item {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(143, 169, 189, 0.18);
  border-left: 2px solid var(--cyan-700);
  background: rgba(13, 42, 64, 0.55);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.page-contact .route-item:hover {
  border-left-color: var(--orange-500);
  background: rgba(13, 42, 64, 0.8);
}
.page-contact .route-idx {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold-400);
}
.page-contact .route-what {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--paper-050);
}
.page-contact .route-where {
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--muted);
}
.page-contact .entry-figure,
.page-contact .screen-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--r-md);
  border: 1px solid rgba(31, 242, 209, 0.16);
  background: var(--ink-800);
}
.page-contact .entry-figure img,
.page-contact .screen-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .screen-figure {
  margin: 0.4rem 0 1rem;
  max-width: 520px;
}

/* 准备清单 */
.page-contact .prep-list {
  display: grid;
  gap: 0.45rem;
  margin: 1rem 0 1.1rem;
  padding: 0;
  list-style: none;
}
@media (min-width: 620px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .prep-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.89rem;
  line-height: 1.7;
  color: var(--soft);
}
.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--cyan-500);
}

.page-contact .tag-row {
  margin: 1rem 0 1.1rem;
}

.page-contact .topic-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 242, 209, 0.35);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-contact .topic-link:hover,
.page-contact .topic-link:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* 联系信息条 */
.page-contact .info-band {
  margin-top: clamp(2rem, 4.5vw, 3.5rem);
  padding: clamp(1.3rem, 3.2vw, 2.4rem);
  border-radius: var(--r-lg);
  border: 1px solid rgba(217, 179, 108, 0.22);
  background:
    linear-gradient(120deg, rgba(11, 79, 90, 0.42), rgba(7, 26, 43, 0.92) 68%);
}
.page-contact .info-head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}
.page-contact .info-head p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .info-list {
  display: grid;
  gap: 0;
  margin: clamp(1rem, 2.6vw, 1.6rem) 0 0;
}
@media (min-width: 780px) {
  .page-contact .info-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 3vw, 2.5rem);
  }
}
.page-contact .info-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(143, 169, 189, 0.16);
}
.page-contact .info-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold-400);
}
.page-contact .info-row dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}
.page-contact .info-row dd.mono {
  font-family: var(--font-mono);
}
.page-contact .info-note {
  margin: 1.1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--soft);
}
.page-contact .info-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 1rem;
}
.page-contact .info-links a {
  font-size: 0.84rem;
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 242, 209, 0.3);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-contact .info-links a:hover,
.page-contact .info-links a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}