.page-contact {
  --contact-sticky: calc(var(--header-h) + 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: 44px;
  padding-bottom: 46px;
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(34, 230, 210, 0.15), transparent 60%),
    radial-gradient(90% 80% at 96% 8%, rgba(255, 106, 43, 0.13), transparent 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -70px;
  width: 320px;
  height: 210px;
  background: linear-gradient(135deg, rgba(34, 230, 210, 0.22), rgba(255, 106, 43, 0.16));
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--notch);
  transform: rotate(-6deg);
  filter: blur(4px);
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(2rem, 7.6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--frost);
}

.page-contact .contact-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.78;
  color: rgba(234, 242, 255, 0.84);
}

.page-contact .hero-tags {
  margin-top: 4px;
}

/* ---------- 分屏骨架 ---------- */
.page-contact .contact-body {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
}

.page-contact .split-grid {
  display: grid;
  gap: 38px;
}

/* ---------- 左侧粘性联系栏 ---------- */
.page-contact .contact-rail {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .rail-media {
  margin: 0;
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--notch);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-contact .rail-panel {
  display: grid;
  gap: 18px;
  padding: 24px 22px;
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-800) 100%);
  border: 1px solid var(--line-neon);
  border-radius: var(--radius-lg) var(--radius-lg) var(--notch) var(--radius-lg);
}

.page-contact .rail-heading {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-contact .rail-row {
  display: grid;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .rail-row:last-of-type {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .rail-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .rail-value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(1rem, 4.4vw, 1.42rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--frost);
  word-break: break-all;
  padding-bottom: 6px;
  background-image: linear-gradient(to right, var(--gold), var(--gold));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% 2px;
}

.page-contact .rail-value--num {
  font-size: clamp(1.3rem, 6.4vw, 2rem);
  letter-spacing: 0.02em;
}

.page-contact .rail-addr {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(234, 242, 255, 0.82);
}

.page-contact .rail-note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--neon);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .copy-btn {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--neon);
  background: transparent;
  border: 1px solid var(--line-neon);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--neon);
  color: var(--ink-900);
}

.page-contact .copy-btn:active {
  transform: translateY(1px);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .copy-btn.is-copied {
  background: var(--neon);
  color: var(--ink-900);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .contact-main {
  display: grid;
  gap: 54px;
  min-width: 0;
}

.page-contact .contact-block {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .contact-main p {
  margin: 0;
}

.page-contact .contact-main h2,
.page-contact .contact-main h3 {
  margin: 0;
}

.page-contact .block-lede {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(234, 242, 255, 0.84);
}

.page-contact .block-lede .link-neon,
.page-contact .card-text .link-neon,
.page-contact .site-note .link-neon {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--line-neon);
}

.page-contact .block-lede .link-neon:hover,
.page-contact .card-text .link-neon:hover,
.page-contact .site-note .link-neon:hover {
  color: var(--frost);
  border-bottom-color: var(--frost);
}

/* 服务时段色带 */
.page-contact .hour-band {
  display: grid;
  gap: 10px;
  padding: 20px 18px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) var(--notch);
}

.page-contact .hour-track {
  display: flex;
  height: 24px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-contact .hour-seg {
  display: block;
}

.page-contact .hour-seg--a { flex: 9; }
.page-contact .hour-seg--b { flex: 9; }
.page-contact .hour-seg--c { flex: 6; }

.page-contact .hour-seg--off {
  background-image: repeating-linear-gradient(
    135deg,
    rgba(143, 163, 196, 0.22) 0 6px,
    rgba(143, 163, 196, 0.04) 6px 12px
  );
}

.page-contact .hour-seg--on {
  background: linear-gradient(90deg, var(--neon-deep) 0%, var(--neon) 100%);
  box-shadow: inset 0 0 20px rgba(6, 8, 15, 0.35);
}

.page-contact .hour-scale {
  position: relative;
  height: 15px;
  font-family: var(--font-num);
  font-size: 11px;
  color: var(--mist);
}

.page-contact .hour-scale span {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
}

.page-contact .hour-scale span:nth-child(1) { left: 0; transform: none; }
.page-contact .hour-scale span:nth-child(2) { left: 37.5%; }
.page-contact .hour-scale span:nth-child(3) { left: 75%; }
.page-contact .hour-scale span:nth-child(4) { left: 100%; transform: translateX(-100%); }

.page-contact .hour-legend {
  display: grid;
  gap: 6px;
}

.page-contact .hour-legend-live {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--frost);
}

.page-contact .hour-legend-off {
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 受理范围卡片 */
.page-contact .who-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .who-card {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  background: var(--ink-700);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md) var(--radius-md) var(--radius-md) var(--notch);
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-contact .who-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-neon);
}

.page-contact .who-num {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-contact .who-card .card-title {
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .who-card .card-text {
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--mist);
}

/* 合作方向列表 */
.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .coop-index {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-family: var(--font-num);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--ink-900);
  background: var(--flame);
  border-radius: var(--notch) var(--radius-sm) var(--radius-sm) var(--radius-sm);
}

.page-contact .coop-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .coop-text {
  margin-top: 6px;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .coop-note {
  padding: 16px 18px;
  background: rgba(255, 106, 43, 0.09);
  border-left: 3px solid var(--flame);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .coop-note-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--gold);
}

.page-contact .coop-note-text {
  margin-top: 8px;
  font-size: 0.88rem;
  line-height: 1.74;
  color: rgba(234, 242, 255, 0.8);
}

/* 提交清单 */
.page-contact .tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .tip-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 16px;
  background: rgba(22, 35, 63, 0.62);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm) var(--radius-sm) var(--radius-sm) 4px;
}

.page-contact .tip-box {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--line-neon);
  border-radius: 6px;
  background: var(--neon-soft);
}

.page-contact .tip-box::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: var(--neon);
  border-radius: 2px;
  opacity: 0.9;
}

.page-contact .tip-title {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .tip-text {
  margin-top: 5px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 处理流程 */
.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 24px;
}

.page-contact .flow-list::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background-image: linear-gradient(180deg, var(--neon) 0 6px, transparent 6px 14px);
  background-size: 2px 14px;
  background-repeat: repeat-y;
  opacity: 0.45;
}

.page-contact .flow-item {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.page-contact .flow-node {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-num);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--ink-900);
  background: var(--neon);
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--ink-900);
}

.page-contact .flow-node--end {
  background: var(--flame);
}

.page-contact .flow-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .flow-text {
  margin-top: 6px;
  font-size: 0.89rem;
  line-height: 1.74;
  color: var(--mist);
}

.page-contact .flow-media {
  margin: 6px 0 0;
  border-radius: var(--radius-lg) var(--radius-lg) var(--notch) var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-contact .flow-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .flow-media .media-caption {
  padding: 12px 16px;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--mist);
  background: var(--ink-800);
}

/* 运营信息 */
.page-contact .site-block {
  padding: 26px 22px 24px;
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
}

.page-contact .site-facts {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .site-fact {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .site-fact dt {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-contact .site-fact dd {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--frost);
}

.page-contact .site-fact dd.mono {
  font-family: var(--font-num);
  letter-spacing: 0.02em;
}

.page-contact .site-note {
  margin-top: 16px;
  font-size: 0.86rem;
  line-height: 1.74;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .who-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .site-fact {
    grid-template-columns: 122px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-contact .contact-hero h1 {
    max-width: 20ch;
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-hero {
    padding-top: 62px;
    padding-bottom: 64px;
  }

  .page-contact .split-grid {
    grid-template-columns: minmax(0, 42fr) minmax(0, 58fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: var(--contact-sticky);
  }

  .page-contact .contact-main {
    gap: 68px;
  }

  .page-contact .hour-band {
    padding: 22px 24px;
  }

  .page-contact .site-block {
    padding: 30px 28px 28px;
  }
}

@media (min-width: 1200px) {
  .page-contact .who-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-contact .rail-value {
    font-size: 1rem;
  }

  .page-contact .rail-value--num {
    font-size: 1.36rem;
  }

  .page-contact .coop-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .who-card,
  .page-contact .copy-btn {
    transition: none;
  }

  .page-contact .who-card:hover {
    transform: none;
  }
}