.page-contact {
  background: var(--bw-ink);
  color: var(--bw-white);
}

/* ===== 首屏：坐标网格 + 主题声明 ===== */
.page-contact .pc-intro {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 46px) clamp(34px, 6vw, 78px);
}

.page-contact .pc-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--bw-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--bw-line) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(135% 95% at 88% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(135% 95% at 88% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-contact .pc-intro::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -34%;
  width: min(560px, 82vw);
  height: min(560px, 82vw);
  background: radial-gradient(closest-side, rgba(45, 245, 196, 0.15), transparent 72%);
  pointer-events: none;
}

.page-contact .pc-intro__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-contact .pc-intro .bw-crumbs {
  margin-bottom: 2px;
}

.page-contact .pc-intro__title {
  margin: 0;
  max-width: 24ch;
}

.page-contact .pc-intro__lead {
  margin: 0;
  max-width: 62ch;
}

.page-contact .pc-intro__facts {
  list-style: none;
  margin: clamp(8px, 1.6vw, 18px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--bw-line);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  overflow: hidden;
}

.page-contact .pc-fact {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: clamp(14px, 1.8vw, 20px);
  background: var(--bw-console);
}

.page-contact .pc-fact__num {
  font-family: var(--bw-font-data);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--bw-cyan);
}

.page-contact .pc-fact__label {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--bw-silver);
}

/* ===== 章节头部通用 ===== */
.page-contact .pc-head {
  display: grid;
  gap: clamp(10px, 1.4vw, 14px);
  max-width: 68ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .pc-head .bw-h2,
.page-contact .pc-head .bw-h3,
.page-contact .pc-head .bw-text,
.page-contact .pc-head .bw-lead {
  margin: 0;
}

/* ===== 咨询方向：分段切换 ===== */
.page-contact .pc-consult__tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 2px 2px 12px;
  margin-bottom: clamp(20px, 3vw, 30px);
  scrollbar-width: thin;
  scrollbar-color: var(--bw-line) transparent;
}

.page-contact .pc-consult__tabs::-webkit-scrollbar {
  height: 6px;
}

.page-contact .pc-consult__tabs::-webkit-scrollbar-thumb {
  background: var(--bw-line);
  border-radius: var(--bw-radius-pill);
}

.page-contact .pc-tab {
  flex: 0 0 auto;
  appearance: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.88rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  padding: 11px 20px;
  border-radius: var(--bw-radius-pill);
  border: 1px solid var(--bw-line);
  background: rgba(242, 248, 245, 0.03);
  color: var(--bw-silver);
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .pc-tab:hover {
  color: var(--bw-white);
  border-color: rgba(45, 245, 196, 0.55);
}

.page-contact .pc-tab:focus-visible {
  outline: 2px solid var(--bw-cyan);
  outline-offset: 3px;
}

.page-contact .pc-tab[aria-selected="true"] {
  background: var(--bw-cyan);
  border-color: var(--bw-cyan);
  color: #05140F;
  font-weight: 600;
  box-shadow: 0 18px 36px -24px var(--bw-cyan);
}

.page-contact .pc-tab[aria-selected="true"]:hover {
  color: #05140F;
}

.page-contact .pc-consult__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-contact .pc-consult__panels {
  min-width: 0;
}

.page-contact .pc-panel {
  min-width: 0;
  border-left: 2px solid rgba(45, 245, 196, 0.35);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-contact .pc-panel[hidden] {
  display: none;
}

.page-contact .pc-panel__title {
  margin: 0 0 10px;
}

.page-contact .pc-panel__text {
  margin: 0 0 16px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--bw-silver);
}

.page-contact .pc-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-panel__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--bw-white);
}

.page-contact .pc-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 1px;
  background: var(--bw-cyan);
}

.page-contact .pc-panel__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--bw-line);
  font-family: var(--bw-font-data);
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--bw-silver);
}

.page-contact .pc-consult__media,
.page-contact .pc-contact__media {
  margin: 0;
  min-width: 0;
}

.page-contact .pc-consult__media img,
.page-contact .pc-contact__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 直联通道：悬浮联系卡片 ===== */
.page-contact .pc-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .pc-cards {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-contact .pc-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  background: linear-gradient(155deg, rgba(14, 42, 32, 0.92) 0%, rgba(10, 14, 12, 0.96) 100%);
  padding: clamp(16px, 2.2vw, 24px);
  box-shadow: var(--bw-shadow-float);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-contact .pc-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--bw-line);
  transition: background-color 0.3s ease;
}

.page-contact .pc-card:hover {
  border-color: rgba(45, 245, 196, 0.5);
  transform: translateY(-2px);
}

.page-contact .pc-card:hover::after {
  background: var(--bw-cyan);
}

.page-contact .pc-card--primary {
  border-color: rgba(45, 245, 196, 0.38);
}

.page-contact .pc-card--primary::after {
  background: var(--bw-orange);
}

.page-contact .pc-card__key {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--bw-font-data);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bw-cyan);
}

.page-contact .pc-card__key::before {
  content: "";
  flex: 0 0 auto;
  width: 20px;
  height: 1px;
  background: currentColor;
}

.page-contact .pc-card__value {
  margin: 0;
  font-family: var(--bw-font-data);
  font-size: clamp(1rem, 2.6vw, 1.35rem);
  line-height: 1.5;
  color: var(--bw-white);
  overflow-wrap: anywhere;
}

.page-contact .pc-card__hint {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--bw-silver);
}

/* ===== 处理链路：四步轨道 ===== */
.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 26px);
}

.page-contact .pc-step {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--bw-line);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bw-orange);
  box-shadow: 0 0 0 5px rgba(255, 122, 26, 0.14);
}

.page-contact .pc-step__no {
  font-family: var(--bw-font-data);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--bw-orange);
}

.page-contact .pc-step__title {
  margin: 10px 0 8px;
  font-family: var(--bw-font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--bw-white);
}

.page-contact .pc-step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--bw-silver);
}

.page-contact .pc-flow__note {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--bw-line);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--bw-silver);
}

/* ===== 合作生态 ===== */
.page-contact .pc-eco {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .pc-eco__card {
  display: grid;
  gap: 8px;
  align-content: start;
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  background: rgba(10, 14, 12, 0.62);
  padding: clamp(16px, 2vw, 22px);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.page-contact .pc-eco__card:hover {
  border-color: rgba(91, 224, 255, 0.42);
  background: rgba(14, 42, 32, 0.7);
}

.page-contact .pc-eco__num {
  font-family: var(--bw-font-data);
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--bw-white);
}

.page-contact .pc-eco__label {
  font-family: var(--bw-font-data);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--bw-odds);
}

.page-contact .pc-eco__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--bw-silver);
}

/* ===== 到访与邮寄 ===== */
.page-contact .pc-visit {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  background: linear-gradient(115deg, rgba(14, 42, 32, 0.9) 0%, rgba(5, 20, 15, 0.95) 100%);
  padding: clamp(20px, 3vw, 38px);
}

.page-contact .pc-visit::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, var(--bw-line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.42;
  pointer-events: none;
}

.page-contact .pc-visit > * {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .pc-visit__intro {
  display: grid;
  gap: clamp(10px, 1.4vw, 14px);
  align-content: start;
}

.page-contact .pc-visit__intro .bw-h2,
.page-contact .pc-visit__intro .bw-text {
  margin: 0;
}

.page-contact .pc-visit__aside {
  margin: 4px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--bw-silver);
}

.page-contact .pc-visit__panel {
  border: 1px solid var(--bw-line);
  border-radius: calc(var(--bw-radius) - 4px);
  background: rgba(5, 20, 15, 0.62);
  padding: clamp(16px, 2.2vw, 24px);
}

.page-contact .pc-visit__addr {
  margin: 0 0 12px;
  font-family: var(--bw-font-data);
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  line-height: 1.6;
  color: var(--bw-white);
}

.page-contact .pc-visit__panel .bw-note {
  margin: 16px 0 0;
}

/* ===== 响应式 ===== */
@media (min-width: 560px) {
  .page-contact .pc-intro__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-eco {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-intro__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-consult__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
  }

  .page-contact .pc-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-contact .pc-visit {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pc-eco {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-card,
  .page-contact .pc-tab,
  .page-contact .pc-eco__card {
    transition: none;
  }

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