.page-contact {
  --pc-card-bg: #141A22;
  --pc-card-bg-deep: linear-gradient(158deg, rgba(14, 59, 51, 0.88) 0%, rgba(20, 26, 34, 0.96) 72%);
  --pc-line: rgba(31, 42, 54, 0.78);
  --pc-line-warm: rgba(255, 122, 41, 0.5);
  background: var(--k-bg);
  color: var(--k-white);
  overflow-x: hidden;
}

.page-contact .k-breadcrumb {
  padding-top: 18px;
  padding-bottom: 6px;
  color: var(--k-muted);
}

.page-contact .k-breadcrumb a {
  color: var(--k-muted);
  text-decoration: none;
}

.page-contact .k-breadcrumb a:hover {
  color: var(--k-neon);
}

/* ---------- 首屏 ---------- */
.page-contact__hero {
  position: relative;
  margin-top: 10px;
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
  overflow: hidden;
}

.page-contact__hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.75) contrast(1.05);
  mix-blend-mode: luminosity;
}

.page-contact__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 95px, var(--k-grid-line) 95px 96px),
    linear-gradient(180deg, rgba(11, 15, 20, 0.4) 0%, rgba(11, 15, 20, 0.94) 88%);
  pointer-events: none;
}

.page-contact__hero-inner {
  position: relative;
  z-index: 1;
  padding: 56px 0 48px;
}

.page-contact__hero-grid {
  display: grid;
  gap: var(--k-gap-md);
}

.page-contact__h1 {
  margin: 14px 0 0;
  font-size: var(--k-fs-2xl);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-contact__intro {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: var(--k-fs-base);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.82);
}

.page-contact__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
  padding-top: 18px;
}

.page-contact__jump a {
  font-size: var(--k-fs-sm);
  color: var(--k-white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-contact__jump a:hover,
.page-contact__jump a[aria-current="true"] {
  color: var(--k-neon);
  border-bottom-color: var(--k-neon);
}

.page-contact__hero-note {
  align-self: start;
  padding: 22px;
  background: rgba(20, 26, 34, 0.72);
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--k-signal);
  border-radius: 14px 3px 14px 3px;
}

.page-contact__hero-note-title {
  margin: 0;
  font-size: var(--k-fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k-signal);
}

.page-contact__hero-note-body {
  margin: 12px 0 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.82);
}

.page-contact__hero-note-meta {
  margin: 16px 0 0;
  font-family: var(--k-font-mono);
  font-size: var(--k-fs-xs);
  color: var(--k-violet);
  letter-spacing: 0.04em;
}

/* ---------- 联系卡片 ---------- */
.page-contact__section-sub {
  margin: 12px 0 0;
  max-width: 44em;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: var(--k-muted);
}

.page-contact__cards {
  display: grid;
  gap: var(--k-gap-sm);
  margin-top: var(--k-gap-md);
}

.page-contact__card {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--pc-card-bg);
  border: 1px solid var(--pc-line);
  border-radius: 16px 4px 16px 4px;
  transition: transform 0.28s var(--k-ease), border-color 0.28s var(--k-ease);
}

.page-contact__card:hover {
  transform: translateY(-2px);
  border-color: var(--k-neon);
}

.page-contact__card--mail {
  background: var(--pc-card-bg-deep);
  border-color: var(--pc-line-warm);
  padding-top: 34px;
}

.page-contact__card--mail:hover {
  border-color: var(--k-signal);
}

.page-contact__card--phone {
  border-radius: 3px 16px 3px 16px;
}

.page-contact__card--addr {
  border-radius: 16px 16px 4px 4px;
}

.page-contact__card-tag {
  margin: 0;
  display: inline-block;
  font-size: var(--k-fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k-muted);
}

.page-contact__card--mail .page-contact__card-tag {
  color: var(--k-signal);
}

.page-contact__card-title {
  margin: 10px 0 0;
  font-size: var(--k-fs-md);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact__card-value {
  margin: 14px 0 0;
  font-family: var(--k-font-mono);
  font-size: var(--k-fs-md);
  font-weight: 600;
  line-height: 1.35;
  color: var(--k-white);
  word-break: break-word;
}

.page-contact__card--mail .page-contact__card-value {
  color: var(--k-neon);
}

.page-contact__card-body {
  margin: 16px 0 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.76);
}

/* ---------- 问题归类 ---------- */
.page-contact__split {
  display: grid;
  gap: var(--k-gap-md);
}

.page-contact__topiclist {
  margin: var(--k-gap-sm) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}

.page-contact__topic {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact__topic-idx {
  font-size: var(--k-fs-md);
  color: var(--k-violet);
  letter-spacing: 0.02em;
}

.page-contact__topic-title {
  margin: 0;
  font-size: var(--k-fs-md);
  font-weight: 700;
  line-height: 1.35;
}

.page-contact__topic p {
  margin: 10px 0 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.78);
}

.page-contact__topic-way {
  font-family: var(--k-font-mono);
  font-size: var(--k-fs-xs);
  letter-spacing: 0.06em;
  color: var(--k-neon) !important;
}

.page-contact__aside {
  padding-top: 4px;
}

.page-contact__aside-title {
  margin: 0;
  font-size: var(--k-fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k-muted);
}

.page-contact__aside p {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--k-muted);
}

.page-contact__aside-link a {
  color: var(--k-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 176, 0.4);
}

/* ---------- 来信要点 ---------- */
.page-contact__checklist {
  margin: var(--k-gap-md) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact__check {
  display: grid;
  grid-template-columns: 36px 24px 1fr;
  align-items: start;
  gap: 10px;
  padding: 18px 16px;
  background: var(--pc-card-bg);
  border-left: 2px solid transparent;
  border-radius: 8px 2px 8px 2px;
  transition: border-color 0.24s var(--k-ease), background 0.24s var(--k-ease);
}

.page-contact__check:hover {
  border-left-color: var(--k-neon);
}

.page-contact__check-idx {
  font-size: var(--k-fs-md);
  color: var(--k-violet);
  line-height: 1.3;
}

.page-contact__check-box {
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  accent-color: var(--k-neon);
  cursor: pointer;
}

.page-contact__check-body {
  display: block;
  cursor: pointer;
}

.page-contact__check-title {
  display: block;
  font-size: var(--k-fs-base);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact__check-desc {
  display: block;
  margin-top: 6px;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.74);
}

.page-contact__check-box:checked ~ .page-contact__check-body .page-contact__check-title {
  color: var(--k-neon);
}

/* ---------- 处理节奏 ---------- */
.page-contact__flow {
  display: grid;
  gap: var(--k-gap-md);
  margin-top: var(--k-gap-md);
}

.page-contact__flow-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pc-line);
  border-radius: 18px 4px 18px 4px;
}

.page-contact__flow-media .k-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9);
}

.page-contact__flow-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 20, 0) 40%, rgba(11, 15, 20, 0.8) 100%);
  pointer-events: none;
}

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

.page-contact__step {
  position: relative;
  padding: 0 0 24px 22px;
  border-left: 1px solid var(--pc-line);
}

.page-contact__step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact__step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--k-neon);
  box-shadow: 0 0 0 4px rgba(43, 227, 176, 0.14);
}

.page-contact__step-time {
  margin: 0;
  font-size: var(--k-fs-xs);
  letter-spacing: 0.08em;
  color: var(--k-signal);
}

.page-contact__step-title {
  margin: 8px 0 0;
  font-size: var(--k-fs-md);
  font-weight: 700;
}

.page-contact__step p:last-child {
  margin: 10px 0 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.78);
}

/* ---------- 自助入口 ---------- */
.page-contact__self-grid {
  display: grid;
  gap: var(--k-gap-sm);
  margin-top: var(--k-gap-md);
}

.page-contact__self-card {
  padding: 26px 22px;
  border-radius: 16px 4px 16px 4px;
}

.page-contact__self-card:last-child {
  border-radius: 4px 16px 4px 16px;
}

.page-contact__self-title {
  margin: 0;
  font-size: var(--k-fs-md);
  font-weight: 700;
}

.page-contact__self-body {
  margin: 14px 0 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.78);
}

.page-contact__self-link {
  margin: 22px 0 0;
}

.page-contact__self-tip {
  margin: 26px 0 0;
  padding: 16px 18px;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.76);
  background: rgba(14, 59, 51, 0.42);
  border-left: 2px solid var(--k-neon);
  border-radius: 3px 10px 3px 10px;
}

/* ---------- 内容合作 ---------- */
.page-contact__coop-panel {
  padding: 30px 22px;
  background: var(--pc-card-bg);
  border: 1px solid var(--pc-line);
  border-radius: 18px 4px 18px 4px;
}

.page-contact__coop-title {
  margin: 14px 0 0;
  font-size: var(--k-fs-lg);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact__coop-lead > p:not(.k-eyebrow) {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.78);
}

.page-contact__coop-steps {
  display: grid;
  gap: 20px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--pc-line);
}

.page-contact__coop-item h3 {
  margin: 8px 0 0;
  font-size: var(--k-fs-base);
  font-weight: 700;
}

.page-contact__coop-item p:last-child {
  margin: 8px 0 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.74);
}

.page-contact__coop-idx {
  margin: 0;
  font-size: var(--k-fs-sm);
  color: var(--k-violet);
  letter-spacing: 0.1em;
}

.page-contact__coop-link {
  margin: 28px 0 0;
}

/* ---------- 底部联系条 ---------- */
.page-contact__strip {
  margin-top: var(--k-gap-lg);
  background: linear-gradient(90deg, rgba(14, 59, 51, 0.6) 0%, rgba(11, 15, 20, 0.9) 60%);
  border-top: 2px solid var(--k-signal);
}

.page-contact__strip-inner {
  display: grid;
  gap: 20px;
  padding: 30px 0 36px;
}

.page-contact__strip-key {
  margin: 0;
  font-size: var(--k-fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--k-muted);
}

.page-contact__strip-val {
  margin: 8px 0 0;
  font-family: var(--k-font-mono);
  font-size: var(--k-fs-md);
  font-weight: 600;
  color: var(--k-white);
  word-break: break-word;
}

.page-contact__strip-note {
  margin: 0;
  font-size: var(--k-fs-sm);
  line-height: 1.75;
  color: rgba(232, 241, 245, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact__hero-inner {
    padding: 72px 0 64px;
  }

  .page-contact__strip-inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 24px 32px;
  }

  .page-contact__strip-note {
    grid-column: 1 / -1;
    max-width: 60em;
    padding-top: 16px;
    border-top: 1px solid var(--pc-line);
  }

  .page-contact__coop-panel {
    padding: 40px 34px;
  }

  .page-contact__coop-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .page-contact__self-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-contact__hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: var(--k-gap-lg);
  }

  .page-contact__hero-note {
    margin-bottom: 8px;
  }

  .page-contact__cards {
    grid-template-columns: 1.15fr 0.95fr 0.95fr;
    align-items: start;
    gap: 26px;
  }

  .page-contact__card--phone {
    margin-top: 28px;
  }

  .page-contact__card--addr {
    margin-top: 56px;
  }

  .page-contact__split {
    grid-template-columns: 8fr 3fr;
    gap: var(--k-gap-lg);
  }

  .page-contact__flow {
    grid-template-columns: 5fr 7fr;
    align-items: start;
    gap: var(--k-gap-lg);
  }

  .page-contact__step {
    padding-left: 26px;
    padding-bottom: 30px;
  }
}

@media (min-width: 1100px) {
  .page-contact__checklist {
    grid-template-columns: 1fr 1fr;
    gap: 2px 18px;
  }

  .page-contact__check {
    padding: 22px 20px;
  }

  .page-contact__check-body {
    padding-right: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact__card {
    transition: none;
  }

  .page-contact__card:hover {
    transform: none;
  }
}