.page-contact {
  background: var(--navy);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: calc(var(--header-h) + 40px) 0 46px;
  background:
    radial-gradient(1100px 420px at 84% -14%, rgba(110, 208, 246, .15), transparent 62%),
    radial-gradient(760px 360px at 6% 0%, rgba(232, 180, 74, .12), transparent 62%),
    var(--navy);
  border-bottom: 2px solid var(--line);
}

.page-contact .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .06em;
}

.page-contact .breadcrumbs-list li {
  display: flex;
  align-items: center;
  color: var(--muted);
}

.page-contact .breadcrumbs-list li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--line);
}

.page-contact .breadcrumbs-list a {
  color: var(--ice);
  text-decoration: none;
}

.page-contact .breadcrumbs-list a:hover,
.page-contact .breadcrumbs-list a:focus-visible {
  color: var(--gold-soft);
}

.page-contact .breadcrumbs-list [aria-current="page"] {
  color: var(--gold);
}

.page-contact .hero-kicker {
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 18px;
}

.page-contact h1 {
  font-size: clamp(2.05rem, 6.2vw, 3.6rem);
  line-height: 1.1;
  max-width: 19ch;
  margin-bottom: 22px;
}

.page-contact h1 em {
  font-style: normal;
  color: var(--gold);
  box-shadow: inset 0 -.2em 0 rgba(232, 180, 74, .16);
}

.page-contact .contact-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text);
}

/* ---------- 首屏横幅 ---------- */

.page-contact .contact-banner {
  line-height: 0;
  background: var(--panel-2);
  border-bottom: 2px solid var(--line);
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
}

/* ---------- 渠道区 ---------- */

.page-contact .contact-channels {
  padding: 54px 0 58px;
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--navy) 82%);
}

.page-contact .section-head {
  margin-bottom: 28px;
}

.page-contact .section-kicker {
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-contact .section-head h2 {
  font-size: clamp(1.55rem, 4vw, 2.25rem);
  line-height: 1.2;
  margin-bottom: 10px;
}

.page-contact .section-lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 22px;
  background: var(--panel);
  border: 2px solid var(--line);
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-contact .channel-card:nth-child(2) {
  border-top-color: var(--ice);
}

.page-contact .channel-card:nth-child(3) {
  border-top-color: var(--amber);
}

.page-contact .channel-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-contact .channel-card:nth-child(2) .channel-index {
  background: var(--ice);
}

.page-contact .channel-card:nth-child(3) .channel-index {
  background: var(--amber);
}

.page-contact .channel-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0;
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--mono);
  font-size: .9375rem;
  line-height: 1.55;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .channel-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(110, 208, 246, .55);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .channel-value a:hover,
.page-contact .channel-value a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-contact .channel-value--addr {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .channel-use {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channel-meta {
  margin: 0;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .channel-more {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .channel-more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-contact .channel-more summary::-webkit-details-marker {
  display: none;
}

.page-contact .channel-more summary::after {
  content: "＋";
  margin-left: auto;
  color: var(--ice);
  font-size: .95rem;
}

.page-contact .channel-more[open] summary::after {
  content: "−";
}

.page-contact .channel-more[open] summary {
  color: var(--gold-soft);
}

.page-contact .channel-more summary:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.page-contact .channel-more p {
  margin: 12px 0 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 通用章节 ---------- */

.page-contact .contact-section {
  padding: 58px 0;
  border-top: 2px solid var(--line);
}

.page-contact .contact-section--tint {
  background: linear-gradient(180deg, rgba(14, 42, 69, .8) 0%, rgba(7, 26, 43, 1) 100%);
}

/* ---------- 服务时间 ---------- */

.page-contact .time-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .time-card {
  position: relative;
  padding: 24px 22px;
  background: var(--panel-2);
  border: 2px solid var(--line);
  border-left: 6px solid var(--line);
  overflow: hidden;
}

.page-contact .time-card--live {
  border-left-color: var(--ice);
  background: linear-gradient(120deg, rgba(14, 42, 69, .96), rgba(11, 34, 55, .96));
}

.page-contact .time-card--live::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at 100% 100%, rgba(110, 208, 246, .22), transparent 70%);
  pointer-events: none;
}

.page-contact .time-key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .time-val {
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4.6vw, 2.05rem);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.15;
  color: var(--white);
}

.page-contact .time-card--live .time-val {
  color: var(--ice);
}

.page-contact .time-card p {
  margin: 0;
  max-width: 48ch;
  font-size: .9375rem;
  color: var(--text);
}

.page-contact .order-strip {
  margin-top: 24px;
  padding: 22px 22px 20px;
  background: var(--ink);
  border: 2px solid var(--line);
  border-left: 6px solid var(--gold);
}

.page-contact .order-label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .order-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .order-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(30, 75, 110, .85);
  font-size: .9375rem;
  color: var(--text);
}

.page-contact .order-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .order-list li span {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--ice);
}

/* ---------- 来意筛选 ---------- */

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.page-contact .filter-btn {
  padding: 9px 15px;
  font-family: var(--mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--text);
  background: transparent;
  border: 2px solid var(--line);
  cursor: pointer;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-contact .filter-btn:hover {
  border-color: var(--ice);
  color: var(--ice);
}

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

.page-contact .filter-btn.is-active {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}

.page-contact .intent-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .intent-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px;
  background: var(--panel);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .intent-tag {
  align-self: flex-start;
  margin: 0;
  padding: 3px 9px;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--gold);
  border: 1px solid var(--line);
}

.page-contact .intent-card h3 {
  font-size: 1.1rem;
  line-height: 1.42;
  margin: 0;
  font-weight: 800;
}

.page-contact .intent-card p {
  margin: 0;
  font-size: .9375rem;
  color: var(--text);
}

.page-contact .intent-card p a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 208, 246, .45);
}

.page-contact .intent-card p a:hover,
.page-contact .intent-card p a:focus-visible {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-contact .intent-card .intent-pick {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: .875rem;
  color: var(--muted);
}

.page-contact .intent-card .intent-pick strong {
  color: var(--ice);
  font-weight: 700;
}

/* ---------- 合作准备清单 ---------- */

.page-contact .prep-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .prep-media {
  margin: 0;
  background: var(--ink);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .prep-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

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

.page-contact .prep-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-list li:last-child {
  border-bottom: none;
}

.page-contact .prep-num {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
}

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

.page-contact .prep-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 4px;
}

.page-contact .prep-body p {
  margin: 0;
  font-size: .9375rem;
  color: var(--muted);
}

/* ---------- 延伸入口 ---------- */

.page-contact .contact-tail {
  padding: 48px 0 64px;
  border-top: 2px solid var(--line);
  background: linear-gradient(180deg, rgba(3, 11, 20, 0) 0%, rgba(3, 11, 20, .6) 100%);
}

.page-contact .tail-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 20px;
}

.page-contact .tail-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .tail-links a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  background: var(--panel-2);
  border: 2px solid var(--line);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}

.page-contact .tail-links a:hover,
.page-contact .tail-links a:focus-visible {
  border-color: var(--ice);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-contact .tail-links small {
  display: block;
  font-weight: 400;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .tail-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
  }
}

@media (min-width: 780px) {
  .page-contact .time-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .order-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: calc(var(--header-h) + 58px);
    padding-bottom: 56px;
  }

  .page-contact .contact-channels {
    padding: 64px 0 70px;
  }

  .page-contact .contact-section {
    padding: 66px 0;
  }

  .page-contact .intent-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-contact .intent-card:nth-child(1) {
    grid-column: span 4;
  }

  .page-contact .intent-card:nth-child(2) {
    grid-column: span 2;
  }

  .page-contact .intent-card:nth-child(3) {
    grid-column: span 2;
  }

  .page-contact .intent-card:nth-child(4) {
    grid-column: span 4;
  }

  .page-contact .prep-layout {
    grid-template-columns: .85fr 1.15fr;
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-contact h1 {
    max-width: 16ch;
  }

  .page-contact .contact-lede {
    font-size: 1.125rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tail-links a,
  .page-contact .filter-btn,
  .page-contact .channel-value a {
    transition: none;
  }

  .page-contact .tail-links a:hover,
  .page-contact .tail-links a:focus-visible {
    transform: none;
  }
}