.page-contact {
  --c-line: rgba(244, 239, 230, 0.14);
  --c-line-strong: rgba(244, 239, 230, 0.3);
  --c-panel-soft: rgba(19, 28, 46, 0.55);
  color: var(--rice);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .contact-top {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(18px, 3vw, 30px);
  padding: clamp(36px, 6.5vw, 84px) 0 clamp(32px, 5vw, 60px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, rgba(19, 28, 46, 0.92), rgba(11, 18, 32, 0));
}

.page-contact .contact-hero__slash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(78deg, transparent 0 56%, rgba(255, 74, 28, 0.15) 56% 65%, transparent 65%),
    linear-gradient(78deg, transparent 0 71%, rgba(58, 224, 200, 0.09) 71% 73%, transparent 73%);
}

.page-contact .contact-hero__inner {
  position: relative;
  max-width: 860px;
}

.page-contact .contact-hero h1 {
  margin: 12px 0 20px;
  font-size: clamp(29px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 620px;
  font-size: 16px;
  color: var(--rice-soft);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .contact-hero__facts .mono {
  color: var(--blaze);
  font-size: 15px;
  font-weight: 700;
}

/* ---------- 章节骨架 ---------- */

.page-contact .c-section {
  padding: clamp(40px, 6vw, 76px) 0;
  border-bottom: 1px solid var(--c-line);
}

.page-contact .c-section__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px 18px;
  align-items: start;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-contact .c-section__no {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(36px, 5.6vw, 60px);
  line-height: 0.9;
  color: var(--clay);
  font-variant-numeric: tabular-nums;
}

.page-contact .c-section__title {
  margin: 4px 0 0;
  font-size: clamp(21px, 3vw, 31px);
  font-weight: 800;
  line-height: 1.26;
}

.page-contact .c-section__sub {
  margin: 10px 0 0;
  max-width: 620px;
  font-size: 15px;
  color: var(--mist);
}

.page-contact .page-contact__band {
  height: 3px;
  padding: 0;
  margin: 0;
}

/* ---------- 渠道块 ---------- */

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  margin: 0 0 26px;
}

.page-contact .channel {
  padding: 20px 22px;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--blaze);
  transform: translateY(-2px);
}

.page-contact .channel__label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .channel__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--rice);
  word-break: break-all;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  color: var(--rice-dim);
}

/* ---------- 24 小时刻度带 ---------- */

.page-contact .hour-band {
  margin: 0 0 30px;
  padding: 20px 22px 14px;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--c-panel-soft);
}

.page-contact .hour-band__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 14px;
  margin-bottom: 16px;
}

.page-contact .hour-band__cap {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .hour-band__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--blaze);
}

.page-contact .hour-band__track {
  position: relative;
  height: 14px;
  border-radius: 999px;
  background: rgba(244, 239, 230, 0.08);
}

.page-contact .hour-band__track:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-contact .hour-band__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ember), var(--blaze));
  transition: box-shadow var(--dur) var(--ease);
}

.page-contact .hour-band__track:hover .hour-band__fill,
.page-contact .hour-band__track:focus-visible .hour-band__fill {
  box-shadow: 0 0 0 4px rgba(255, 74, 28, 0.22);
}

.page-contact .hour-band__pop {
  position: absolute;
  left: 56.25%;
  bottom: calc(100% + 12px);
  transform: translateX(-50%);
  padding: 6px 11px;
  border-radius: var(--radius);
  background: var(--blaze);
  color: #12161E;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}

.page-contact .hour-band__track:hover .hour-band__pop,
.page-contact .hour-band__track:focus-visible .hour-band__pop {
  opacity: 1;
  visibility: visible;
}

.page-contact .hour-band__scale {
  display: flex;
  justify-content: space-between;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
}

/* ---------- 图片容器 ---------- */

.page-contact .c-figure {
  margin: 0;
}

.page-contact .c-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: var(--panel);
  object-fit: cover;
}

.page-contact .c-figure--map {
  margin-top: 26px;
  max-width: 720px;
}

/* ---------- 办公地址 ---------- */

.page-contact .office {
  padding: 22px 24px;
  border-left: 3px solid var(--blaze);
  background: rgba(19, 28, 46, 0.62);
}

.page-contact .office__addr {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .office__note {
  margin: 0 0 14px;
  max-width: 580px;
  font-size: 15px;
  color: var(--rice-soft);
}

.page-contact .office__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

/* ---------- 问题分流 ---------- */

.page-contact .route-list {
  border-top: 1px solid var(--c-line);
}

.page-contact .route-row {
  border-bottom: 1px solid var(--c-line);
  transition: background-color var(--dur) var(--ease);
}

.page-contact .route-row:hover {
  background: rgba(19, 28, 46, 0.55);
}

.page-contact .route-row__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 18px 6px;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-row__sum::-webkit-details-marker {
  display: none;
}

.page-contact .route-row__idx {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(255, 74, 28, 0.5);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--blaze);
}

.page-contact .route-row__tag {
  flex: 0 0 auto;
  font-size: 16px;
  font-weight: 700;
}

.page-contact .route-row__hint {
  flex: 1 1 180px;
  min-width: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .route-row__chev {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .route-row[open] .route-row__chev {
  transform: rotate(-135deg);
  border-color: var(--blaze);
}

.page-contact .route-row__panel {
  padding: 0 6px 22px;
  font-size: 15px;
  color: var(--rice-soft);
}

.page-contact .route-row__panel p {
  margin: 0 0 12px;
  max-width: 660px;
}

.page-contact .route-row__path {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .route-row__link {
  margin-bottom: 0;
}

/* ---------- 合作板块 ---------- */

.page-contact .biz-list {
  display: grid;
  gap: 16px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-contact .biz-list li {
  padding: 20px 22px;
  border: 1px solid var(--stone);
  border-radius: var(--radius);
  background: rgba(19, 28, 46, 0.5);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .biz-list li:hover {
  border-color: var(--cyan);
}

.page-contact .biz-list__k {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--blaze);
}

.page-contact .biz-list p {
  margin: 0;
  font-size: 14px;
  color: var(--rice-soft);
}

.page-contact .biz-note {
  margin: 0;
  max-width: 660px;
  font-size: 15px;
  color: var(--mist);
}

/* ---------- 响应时效 ---------- */

.page-contact .sla-list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-contact .sla-list li {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
  color: var(--rice-soft);
}

.page-contact .sla-list__k {
  font-family: var(--font-mono);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-contact .sla-tail {
  margin: 0;
  max-width: 660px;
  font-size: 15px;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

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

  .page-contact .route-row__sum {
    padding: 20px 6px;
  }
}

@media (min-width: 860px) {
  .page-contact .biz-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .sla-list li {
    grid-template-columns: 220px 1fr;
    gap: 28px;
    align-items: baseline;
  }
}

@media (max-width: 560px) {
  .page-contact .hour-band__pop {
    left: 0;
    right: 0;
    transform: none;
    white-space: normal;
    text-align: center;
  }

  .page-contact .office {
    padding: 18px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .route-row,
  .page-contact .route-row__chev,
  .page-contact .route-row__sum,
  .page-contact .biz-list li,
  .page-contact .hour-band__fill,
  .page-contact .hour-band__pop {
    transition: none !important;
  }

  .page-contact .channel:hover {
    transform: none;
  }
}