.page-contact {
  --pc-ink: #0b1320;
  --pc-panel: #131c2b;
  --pc-panel-2: #16243a;
  --pc-neon: #39ff14;
  --pc-plasma: #ff6b00;
  --pc-paper: #f5f0e6;
  --pc-text: #e6edf3;
  --pc-dim: #8a9bb5;
  --pc-line: #1f3a4d;

  display: block;
  position: relative;
  background-color: var(--pc-ink);
  color: var(--pc-text);
  overflow-x: hidden;
}

.page-contact a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

/* ===== 面包屑 ===== */
.page-contact .pc-breadcrumb {
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--pc-dim);
}

.page-contact .pc-breadcrumb a {
  color: var(--pc-dim);
  border-bottom: 1px solid transparent;
}

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

.page-contact .pc-breadcrumb .breadcrumb-sep {
  margin: 0 0.5rem;
  color: var(--pc-line);
}

.page-contact .pc-breadcrumb .breadcrumb-current {
  color: var(--pc-text);
}

/* ===== 首屏 Hero ===== */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--pc-line);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -10%;
  width: 50%;
  height: 100%;
  background: var(--pc-panel);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
  border-left: 1px solid var(--pc-line);
  z-index: 0;
  display: none;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31, 58, 77, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 58, 77, 0.2) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1.75rem;
}

.page-contact .pc-hero-text {
  max-width: 720px;
}

.page-contact .pc-hero .section-eyebrow {
  color: var(--pc-neon);
}

.page-contact .pc-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.01em;
  margin: 0.75rem 0 1rem;
  color: var(--pc-text);
  text-transform: uppercase;
}

.page-contact .pc-hero-lead {
  font-size: 1.25rem;
  color: var(--pc-neon);
  margin: 0 0 1.25rem;
  font-weight: 500;
}

.page-contact .pc-hero-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pc-dim);
  max-width: 560px;
}

.page-contact .pc-hero-index {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  line-height: 1;
  color: var(--pc-paper);
}

.page-contact .pc-hero-index span {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  letter-spacing: 0.02em;
}

.page-contact .pc-hero-index small {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--pc-neon);
}

/* ===== 章节头 ===== */
.page-contact .pc-section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-section-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--pc-neon);
  line-height: 1;
}

.page-contact .pc-section-head h2 {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  margin: 0;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--pc-text);
}

.page-contact .pc-section-meta {
  display: none;
}

/* ===== 联系渠道 ===== */
.page-contact .pc-channels-wrap {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--pc-line);
  background-image:
    linear-gradient(rgba(31, 58, 77, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 58, 77, 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-contact .pc-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.page-contact .pc-channels-left {
  display: grid;
  gap: 1.25rem;
}

.page-contact .pc-contact-card {
  position: relative;
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 1.5rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-contact .pc-contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 2rem;
  width: 2.5rem;
  height: 2px;
  background: var(--pc-neon);
}

.page-contact .pc-contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--pc-neon);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.page-contact .pc-card-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pc-dim);
  border: 1px solid var(--pc-line);
  padding: 0.25rem 0.625rem;
  margin-bottom: 1rem;
  background: rgba(11, 19, 32, 0.5);
}

.page-contact .pc-card-ico {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--pc-neon);
  margin-bottom: 0.75rem;
}

.page-contact .pc-contact-card h2 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
  color: var(--pc-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-contact .pc-value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  color: var(--pc-paper);
  line-height: 1.5;
  margin: 0 0 0.375rem;
  overflow-wrap: anywhere;
}

.page-contact .pc-value-strong {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  color: var(--pc-neon);
}

.page-contact .pc-label {
  font-size: 0.8125rem;
  color: var(--pc-dim);
  margin: 0 0 0.875rem;
  line-height: 1.6;
}

.page-contact .pc-copy {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--pc-neon);
  border: 1px solid rgba(57, 255, 20, 0.4);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

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

/* ===== 右侧地图 ===== */
.page-contact .pc-channels-right {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-contact .pc-map {
  margin: 0;
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .pc-map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-map figcaption {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--pc-text);
}

.page-contact .pc-map-pin {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--pc-plasma);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.25);
  flex-shrink: 0;
}

.page-contact .pc-map-desc {
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--pc-neon);
  padding: 1rem 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--pc-dim);
}

.page-contact .pc-map-desc p {
  margin: 0 0 0.5rem;
}

.page-contact .pc-map-desc p:last-child {
  margin-bottom: 0;
}

/* ===== 统计条 ===== */
.page-contact .pc-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
  margin-top: 2.5rem;
}

.page-contact .pc-stat-item {
  background: var(--pc-panel);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.page-contact .pc-stat-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--pc-neon);
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-contact .pc-stat-label {
  font-size: 0.75rem;
  color: var(--pc-dim);
  letter-spacing: 0.06em;
}

/* ===== 工作时间和客服邮箱 ===== */
.page-contact .pc-service {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--pc-line);
  background: linear-gradient(135deg, rgba(19, 28, 43, 0.9) 0%, rgba(11, 19, 32, 0.4) 60%);
  position: relative;
}

.page-contact .pc-service::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 35%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 107, 0, 0.08) 100%);
  pointer-events: none;
}

.page-contact .pc-service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-contact .pc-service-card {
  position: relative;
  background: var(--pc-panel);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  padding: 1.75rem 1.75rem 2rem;
  overflow: hidden;
}

.page-contact .pc-service-hours {
  border-top: 2px solid var(--pc-plasma);
}

.page-contact .pc-service-mail {
  border-top: 2px solid var(--pc-neon);
}

.page-contact .pc-service-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--pc-dim);
  border: 1px solid var(--pc-line);
  padding: 0.25rem 0.625rem;
  margin-bottom: 1.25rem;
}

.page-contact .pc-service-ico {
  width: 2rem;
  height: 2rem;
  color: var(--pc-neon);
  margin-bottom: 0.75rem;
}

.page-contact .pc-service-hours .pc-service-ico {
  color: var(--pc-plasma);
}

.page-contact .pc-service-card h2 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 0 0 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pc-text);
}

.page-contact .pc-hours-highlight {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: var(--pc-plasma);
  margin: 0 0 0.25rem;
  letter-spacing: 0.03em;
}

.page-contact .pc-hours-warn {
  font-size: 0.8125rem;
  color: var(--pc-dim);
  margin: 0 0 1rem;
}

.page-contact .pc-hours-note,
.page-contact .pc-mail-note {
  font-size: 0.875rem;
  color: var(--pc-dim);
  line-height: 1.7;
  margin: 0;
  border-top: 1px solid var(--pc-line);
  padding-top: 0.875rem;
}

.page-contact .pc-mail-value {
  font-family: var(--font-mono);
  font-size: clamp(0.875rem, 1.5vw, 1.0625rem);
  color: var(--pc-paper);
  overflow-wrap: anywhere;
  margin: 0 0 1rem;
}

/* ===== 合作洽谈 ===== */
.page-contact .pc-biz {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-bottom: 1px solid var(--pc-line);
  position: relative;
}

.page-contact .pc-biz-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  border: 1px solid var(--pc-line);
  background:
    linear-gradient(45deg, rgba(57, 255, 20, 0.04) 0%, transparent 55%),
    var(--pc-panel);
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: var(--radius);
}

.page-contact .pc-biz-head .section-eyebrow {
  color: var(--pc-neon);
}

.page-contact .pc-biz-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 0.5rem 0 0.5rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--pc-text);
}

.page-contact .pc-biz-head p:last-child {
  color: var(--pc-dim);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  margin: 0;
}

.page-contact .pc-biz-body {
  border-left: 2px solid var(--pc-neon);
  padding-left: 1.5rem;
}

.page-contact .pc-biz-body > p {
  margin: 0 0 0.625rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pc-text);
}

.page-contact .pc-biz-mail {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--pc-neon);
  overflow-wrap: anywhere;
  margin-bottom: 0.75rem;
}

.page-contact .pc-biz-tip {
  color: var(--pc-dim);
  font-size: 0.8125rem;
}

/* ===== 更多帮助 ===== */
.page-contact .pc-help {
  padding: clamp(3rem, 6vw, 5rem) 0 4rem;
  position: relative;
}

.page-contact .pc-help-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

.page-contact .pc-help-figure {
  margin: 0;
  position: relative;
}

.page-contact .pc-help-figure::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--pc-line);
  transform: translate(12px, 12px);
  border-radius: var(--radius);
  z-index: -1;
}

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

.page-contact .pc-help-content .section-eyebrow {
  color: var(--pc-plasma);
}

.page-contact .pc-help-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0.5rem 0 1rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--pc-text);
}

.page-contact .pc-help-content > p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pc-dim);
  margin: 0 0 1.5rem;
  max-width: 560px;
}

.page-contact .pc-help-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.page-contact .pc-help-links li {
  border: 1px solid var(--pc-line);
  background: var(--pc-panel);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-contact .pc-help-links li:hover {
  border-color: var(--pc-neon);
  transform: translateX(4px);
}

.page-contact .pc-help-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  color: var(--pc-text);
}

.page-contact .pc-help-links a:hover {
  color: var(--pc-neon);
}

.page-contact .pc-help-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--pc-neon);
}

/* ===== 平板端 ===== */
@media (min-width: 700px) {
  .page-contact .pc-hero::before {
    display: block;
  }

  .page-contact .pc-hero-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2rem;
  }

  .page-contact .pc-hero-index {
    display: block;
    text-align: right;
    flex-shrink: 0;
    padding-top: 0.5rem;
  }

  .page-contact .pc-hero-index span {
    display: block;
    font-size: clamp(3rem, 8vw, 6rem);
    color: var(--pc-paper);
  }

  .page-contact .pc-hero-index small {
    display: block;
    margin-top: 0.5rem;
  }

  .page-contact .pc-section-meta {
    display: inline;
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--pc-dim);
    letter-spacing: 0.12em;
  }

  .page-contact .pc-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .pc-service-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-contact .pc-biz-inner {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }

  .page-contact .pc-help-inner {
    grid-template-columns: 300px 1fr;
    gap: 3rem;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 960px) {
  .page-contact .pc-channels {
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
    align-items: start;
  }

  .page-contact .pc-channels-left {
    padding-top: 1rem;
  }

  .page-contact .pc-card-email {
    margin-left: 1.5rem;
  }

  .page-contact .pc-card-address {
    margin-left: 3rem;
  }
}