.page-contact {
  --ch-gap: clamp(40px, 6vw, 88px);
  --ch-soft: rgba(241, 246, 250, .76);
  --ch-hair: rgba(59, 240, 166, .3);
  position: relative;
  padding-bottom: clamp(72px, 9vw, 112px);
  background:
    radial-gradient(820px 480px at 92% -6%, rgba(59, 240, 166, .10), transparent 64%),
    radial-gradient(640px 400px at 2% 14%, rgba(47, 110, 143, .18), transparent 62%);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 50, 71, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 50, 71, .5) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 72% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 72% 0%, #000 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-contact > .wrap {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(28px, 4vw, 44px);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cool);
}

.page-contact .breadcrumb a {
  color: var(--cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 偏心舞台：左轨道 + 右正文 ---------- */
.page-contact .contact-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .contact-rail {
  display: none;
}

@media (min-width: 1024px) {
  .page-contact .contact-stage {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: clamp(48px, 6vw, 92px);
  }

  .page-contact .contact-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    align-self: start;
    position: sticky;
    top: calc(var(--mast-h) + 40px);
    padding-top: 10px;
  }

  .page-contact .contact-rail__tag {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-head);
    font-weight: 800;
    font-size: 13px;
    letter-spacing: .34em;
    color: var(--lime);
  }

  .page-contact .contact-rail__rule {
    flex: 1 1 auto;
    width: 1px;
    min-height: 96px;
    background: linear-gradient(to bottom, var(--lime), rgba(59, 240, 166, 0));
  }
}

.page-contact .contact-body {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  max-width: 64ch;
  margin-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .contact-hero .eyebrow {
  display: inline-block;
  margin-bottom: 18px;
}

.page-contact .contact-hero__title {
  position: relative;
  margin: 0 0 24px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-contact .contact-hero__title::after {
  content: "";
  display: block;
  width: 92px;
  height: 4px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--lime), var(--orange));
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ch-soft);
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .section__head {
  display: grid;
  gap: 10px;
  padding-bottom: 18px;
  margin-bottom: clamp(24px, 3.4vw, 36px);
  border-bottom: 1px solid var(--line);
}

.page-contact .section__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-contact .section__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

@media (min-width: 768px) {
  .page-contact .section__head {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 320px);
    align-items: end;
    gap: 32px;
  }
}

/* ---------- 联系渠道卡片 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(22px, 3vw, 34px);
  border-left: 3px solid var(--orange);
}

.page-contact .channel-card--phone {
  border-left-color: var(--lime);
}

.page-contact .channel-card__tag {
  margin: 0;
  color: var(--orange);
}

.page-contact .channel-card--phone .channel-card__tag {
  color: var(--lime);
}

.page-contact .channel-card .card__title {
  margin: 0;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .channel-card__value {
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(15px, 1.9vw, 19px);
  letter-spacing: .04em;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ch-soft);
}

.page-contact .channel-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--steel);
}

.page-contact .channel-card--phone .channel-card__list li::before {
  background: var(--lime);
}

/* ---------- 响应时段 ---------- */
.page-contact .response-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-contact .response-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
}

.page-contact .hours__bar {
  position: relative;
  height: 6px;
  margin-bottom: 18px;
  background: var(--deck);
  border: 1px solid var(--line);
}

.page-contact .hours__fill {
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  width: calc(100% + 2px);
  background: linear-gradient(90deg, var(--lime), var(--amber) 58%, var(--orange));
  opacity: .82;
}

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

.page-contact .hours__ticks li {
  display: grid;
  gap: 5px;
  padding-top: 12px;
  border-top: 2px solid var(--steel);
  font-size: 13px;
  line-height: 1.62;
  color: var(--cool);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-contact .hours__ticks li:hover {
  border-top-color: var(--lime);
  color: var(--ice);
}

.page-contact .hours__ticks li:first-child {
  border-top-color: var(--lime);
}

.page-contact .hours__ticks li:last-child {
  border-top-color: var(--orange);
}

.page-contact .hours__ticks .num {
  font-size: 17px;
  color: var(--ice);
}

@media (min-width: 700px) {
  .page-contact .hours__ticks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

.page-contact .priority {
  margin-top: clamp(28px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .priority__label {
  margin: 0 0 16px;
  color: var(--orange);
}

.page-contact .priority__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-contact .priority__list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ch-soft);
}

.page-contact .priority__list .num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-contact .media-frame {
  overflow: hidden;
}

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

.page-contact .response-figure {
  border: 1px solid var(--line);
}

/* ---------- 办公所在地 ---------- */
.page-contact .office-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-contact .office-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }
}

.page-contact .office-text .label {
  display: block;
  margin-bottom: 10px;
  color: var(--amber);
}

.page-contact .office-addr {
  margin: 0 0 20px;
  padding-left: 16px;
  border-left: 3px solid var(--amber);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.45;
  color: var(--ice);
}

.page-contact .office-copy {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ch-soft);
}

.page-contact .office-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .office-steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-contact .office-steps .num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-contact .office-figure {
  border: 1px solid var(--line);
}

/* ---------- 合作洽谈 ---------- */
.page-contact .partner-lead {
  margin: 0 0 clamp(28px, 4vw, 40px);
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ch-soft);
}

.page-contact .partner-link {
  display: none;
  width: 100%;
  height: 12px;
  margin-bottom: 6px;
}

@media (min-width: 820px) {
  .page-contact .partner-link {
    display: block;
  }
}

.page-contact .partner-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

@media (min-width: 820px) {
  .page-contact .partner-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

.page-contact .partner-flow__node {
  padding-top: 18px;
  border-top: 1px solid var(--line);
  transition: border-color var(--t-fast);
}

.page-contact .partner-flow__node:hover {
  border-top-color: var(--lime);
}

.page-contact .partner-flow__idx {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-contact .partner-flow__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .partner-flow__node p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--cool);
}

.page-contact .partner-prep {
  margin-top: clamp(28px, 4vw, 40px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--deck);
  border: 1px solid var(--line);
  border-left: 3px solid var(--steel);
}

.page-contact .partner-prep__label {
  display: block;
  margin-bottom: 16px;
  color: var(--cool);
}

.page-contact .partner-prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ch-soft);
}

@media (min-width: 700px) {
  .page-contact .partner-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 28px;
  }
}

.page-contact .partner-prep__list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .partner-prep__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--lime);
}

/* ---------- 常见场景 ---------- */
.page-contact .scene-list {
  border-top: 1px solid var(--line);
}

.page-contact .scene {
  border-bottom: 1px solid var(--line);
  transition: background var(--t-fast);
}

.page-contact .scene[open] {
  background: linear-gradient(90deg, rgba(13, 39, 64, .92), rgba(13, 39, 64, 0));
}

.page-contact .scene__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.5;
  color: var(--ice);
  transition: color var(--t-fast);
}

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

.page-contact .scene__summary:hover {
  color: var(--lime);
}

.page-contact .scene__summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .scene__name {
  min-width: 0;
}

.page-contact .scene__meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.page-contact .scene__badge {
  padding: 3px 8px;
  border: 1px solid rgba(255, 122, 47, .5);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .scene__toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.page-contact .scene__toggle::before,
.page-contact .scene__toggle::after {
  content: "";
  position: absolute;
  background: var(--lime);
}

.page-contact .scene__toggle::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-contact .scene__toggle::after {
  top: 0;
  bottom: 0;
  right: 6px;
  width: 2px;
  transition: transform var(--t-fast);
}

.page-contact .scene[open] .scene__toggle::after {
  transform: scaleY(0);
}

.page-contact .scene__body {
  max-width: 68ch;
  padding: 0 4px 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ch-soft);
}

.page-contact .scene__body p {
  margin: 0 0 10px;
}

.page-contact .scene__body p:last-child {
  margin-bottom: 0;
}

.page-contact .scene__body a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--ch-hair);
}

.page-contact .scene__body a:hover,
.page-contact .scene__body a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 延伸入口 ---------- */
.page-contact .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 700px) {
  .page-contact .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-contact .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .next-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--deck);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: transform var(--t-fast), border-color var(--t-fast);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--lime);
}

.page-contact .next-card:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-contact .next-card__idx {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .next-card__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ice);
}

.page-contact .next-card__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .next-card,
  .page-contact .hours__ticks li,
  .page-contact .scene__toggle::after,
  .page-contact .partner-flow__node {
    transition: none;
  }

  .page-contact .next-card:hover,
  .page-contact .next-card:focus-visible {
    transform: none;
  }
}