.page-contact {
  --pc-rail-w: 306px;
  --pc-ease: var(--xb-ease);
  background-color: var(--xb-ink);
  color: var(--xb-paper);
  font-family: var(--xb-font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--xb-header-h) + 36px) 0 60px;
  border-bottom: 1px solid var(--xb-line);
  background:
    radial-gradient(112% 82% at 92% 6%, rgba(53, 242, 192, 0.16) 0%, rgba(53, 242, 192, 0) 58%),
    linear-gradient(155deg, #0C241E 0%, #0A1F1A 48%, #06110E 100%);
  overflow: hidden;
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -68%;
  width: min(58%, 640px);
  aspect-ratio: 1 / 1;
  background: linear-gradient(180deg, rgba(22, 51, 43, 0.9), rgba(22, 51, 43, 0));
  transform: rotate(-12deg);
  border-radius: 42% 0 0 0;
  z-index: -1;
  pointer-events: none;
}
.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(46%, 520px);
  height: 3px;
  background: linear-gradient(90deg, var(--xb-signal), rgba(53, 242, 192, 0));
  pointer-events: none;
}
.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
}
.page-contact .pc-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 16px;
  font-family: var(--xb-font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--xb-signal);
}
.page-contact .pc-eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--xb-signal);
}
.page-contact .pc-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--xb-font-display);
  font-weight: 700;
  font-size: clamp(34px, 6.4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--xb-paper);
}
.page-contact .pc-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(243, 240, 231, 0.76);
}

/* ---------- 主体栅格 ---------- */
.page-contact .pc-body {
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 88px);
  background: linear-gradient(180deg, #0A1F1A 0%, #081713 100%);
}
.page-contact .pc-body__grid {
  display: grid;
  gap: 30px;
}

/* ---------- 左侧渠道轴 ---------- */
.page-contact .pc-rail__head {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--xb-line);
  font-family: var(--xb-font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--xb-stone);
}
.page-contact .pc-chan {
  position: relative;
  margin-bottom: 12px;
  padding: 16px 16px 14px 18px;
  background: var(--xb-panel);
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-radius);
  overflow: hidden;
  transition: border-color 0.24s var(--pc-ease), background-color 0.24s var(--pc-ease);
}
.page-contact .pc-chan:last-child {
  margin-bottom: 0;
}
.page-contact .pc-chan::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--xb-signal);
  transform: scaleY(0.22);
  transform-origin: 50% 0;
  transition: transform 0.3s var(--pc-ease);
}
.page-contact .pc-chan:hover,
.page-contact .pc-chan:focus-within {
  border-color: rgba(53, 242, 192, 0.55);
  background: #17372E;
}
.page-contact .pc-chan:hover::before,
.page-contact .pc-chan:focus-within::before {
  transform: scaleY(1);
}
.page-contact .pc-chan__top {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}
.page-contact .pc-chan__glyph {
  flex: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--xb-signal);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-contact .pc-chan__label {
  font-family: var(--xb-font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--xb-mist);
}
.page-contact .pc-chan__value {
  display: block;
  font-family: var(--xb-font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--xb-paper);
  word-break: break-word;
}
.page-contact .pc-chan__value--text {
  font-family: var(--xb-font-body);
  font-size: 16px;
  line-height: 1.72;
}
.page-contact .pc-chan__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(243, 240, 231, 0.62);
}
.page-contact .pc-chan__more {
  display: grid;
  grid-template-rows: 0fr;
  margin-top: 0;
  opacity: 0;
  transition: grid-template-rows 0.28s var(--pc-ease), opacity 0.28s var(--pc-ease), margin-top 0.28s var(--pc-ease);
}
.page-contact .pc-chan__more > div {
  overflow: hidden;
}
.page-contact .pc-chan:hover .pc-chan__more,
.page-contact .pc-chan:focus-within .pc-chan__more {
  grid-template-rows: 1fr;
  margin-top: 10px;
  opacity: 1;
}

.page-contact .pc-copy {
  display: inline-flex;
  align-items: center;
  margin-top: 12px;
  padding: 6px 14px;
  font-family: var(--xb-font-body);
  font-size: 13px;
  line-height: 1.2;
  color: var(--xb-signal);
  background: transparent;
  border: 1px solid rgba(53, 242, 192, 0.42);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.2s var(--pc-ease), border-color 0.2s var(--pc-ease), color 0.2s var(--pc-ease);
}
.page-contact .pc-copy:hover {
  background: rgba(53, 242, 192, 0.12);
  border-color: var(--xb-signal);
}
.page-contact .pc-copy[data-copied] {
  color: var(--xb-ink);
  background: var(--xb-signal);
  border-color: var(--xb-signal);
}

/* 地图方位示意 */
.page-contact .pc-map {
  position: relative;
  margin: 14px 0 0;
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-radius);
  overflow: hidden;
  background: var(--xb-void);
}
.page-contact .pc-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.82;
}
.page-contact .pc-map__cap {
  position: absolute;
  left: 10px;
  bottom: 8px;
  padding: 3px 9px;
  font-family: var(--xb-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--xb-mist);
  background: rgba(5, 12, 10, 0.72);
  border-radius: 2px;
}

/* 24 小时刻度条 */
.page-contact .pc-clock {
  position: relative;
  height: 30px;
  margin-top: 12px;
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-radius);
  background-color: rgba(5, 12, 10, 0.7);
  background-image: repeating-linear-gradient(to right, var(--xb-line-soft) 0 1px, transparent 1px 4.1667%);
  overflow: hidden;
}
.page-contact .pc-clock__band {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: linear-gradient(90deg, rgba(53, 242, 192, 0.9), rgba(53, 242, 192, 0.4));
  box-shadow: 0 0 12px rgba(53, 242, 192, 0.34);
}
.page-contact .pc-clock__scale {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-family: var(--xb-font-mono);
  font-size: 11px;
  color: var(--xb-stone);
}

/* ---------- 右侧内容流 ---------- */
.page-contact .pc-flow {
  display: grid;
  gap: clamp(40px, 6vw, 72px);
  min-width: 0;
}
.page-contact .pc-h2 {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--xb-signal);
  font-family: var(--xb-font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--xb-paper);
}
.page-contact .pc-intake__sub {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(243, 240, 231, 0.72);
}

.page-contact .pc-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 26px;
}
.page-contact .pc-pill {
  padding: 10px 20px;
  font-family: var(--xb-font-body);
  font-size: 15px;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--xb-mist);
  background: rgba(22, 51, 43, 0.7);
  border: 1px solid var(--xb-line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s var(--pc-ease), background-color 0.2s var(--pc-ease), border-color 0.2s var(--pc-ease);
}
.page-contact .pc-pill:hover {
  color: var(--xb-paper);
  border-color: rgba(53, 242, 192, 0.5);
}
.page-contact .pc-pill[aria-selected="true"] {
  color: var(--xb-ink);
  background: var(--xb-signal);
  border-color: var(--xb-signal);
}
.page-contact .pc-pill:focus-visible {
  outline: 2px solid var(--xb-signal);
  outline-offset: 2px;
}

.page-contact .pc-guide {
  position: relative;
  padding: 26px clamp(18px, 2.6vw, 30px) 28px;
  background: linear-gradient(140deg, rgba(22, 51, 43, 0.92), rgba(16, 40, 34, 0.68));
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-radius);
}
.page-contact .pc-guide[hidden] {
  display: none;
}
.page-contact .pc-guide::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 3px;
  background: var(--xb-signal);
}
.page-contact .pc-guide:not([hidden]) {
  animation: pc-panel-in 0.18s var(--pc-ease) both;
}
@keyframes pc-panel-in {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.page-contact .pc-guide__kicker {
  margin: 0 0 10px;
  font-family: var(--xb-font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--xb-signal);
}
.page-contact .pc-guide__title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.36;
  color: var(--xb-paper);
}
.page-contact .pc-guide__desc {
  margin: 0 0 22px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(243, 240, 231, 0.74);
}

.page-contact .pc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--xb-line);
}
.page-contact .pc-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--xb-line-soft);
}
.page-contact .pc-list__k {
  font-family: var(--xb-font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--xb-signal);
}
.page-contact .pc-list__v {
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(243, 240, 231, 0.82);
}
.page-contact .pc-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--xb-red);
  background: rgba(217, 80, 63, 0.09);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 240, 231, 0.8);
}

/* ---------- 处理节奏 ---------- */
.page-contact .pc-response__grid {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}
.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pc-step;
}
.page-contact .pc-steps li {
  position: relative;
  counter-increment: pc-step;
  padding: 18px 0 18px 52px;
  border-bottom: 1px solid var(--xb-line-soft);
}
.page-contact .pc-steps li:first-child {
  padding-top: 4px;
}
.page-contact .pc-steps li::before {
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  width: 36px;
  font-family: var(--xb-font-mono);
  font-size: 14px;
  color: var(--xb-signal);
}
.page-contact .pc-steps li:first-child::before {
  top: 4px;
}
.page-contact .pc-steps li::after {
  content: "";
  position: absolute;
  left: 44px;
  top: 34px;
  bottom: -1px;
  width: 1px;
  background: var(--xb-line-soft);
}
.page-contact .pc-steps li:first-child::after {
  top: 20px;
}
.page-contact .pc-steps li:last-child::after {
  display: none;
}
.page-contact .pc-steps__t {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--xb-paper);
}
.page-contact .pc-steps__d {
  display: block;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(243, 240, 231, 0.72);
}
.page-contact .pc-figure {
  margin: 0;
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-radius);
  overflow: hidden;
  background: var(--xb-void);
}
.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-contact .pc-figure figcaption {
  padding: 12px 14px;
  border-top: 1px solid var(--xb-line-soft);
  font-size: 13px;
  line-height: 1.66;
  color: var(--xb-stone);
}

/* ---------- 自助入口 ---------- */
.page-contact .pc-shortcut__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(243, 240, 231, 0.72);
}
.page-contact .pc-shortcut__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}
.page-contact .pc-shortcut__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  background: rgba(22, 51, 43, 0.55);
  border: 1px solid var(--xb-line);
  border-radius: var(--xb-radius);
  transition: border-color 0.22s var(--pc-ease), background-color 0.22s var(--pc-ease), transform 0.22s var(--pc-ease);
}
.page-contact .pc-shortcut__card:hover {
  border-color: rgba(53, 242, 192, 0.55);
  background: rgba(22, 51, 43, 0.92);
  transform: translateY(-2px);
}
.page-contact .pc-shortcut__card:focus-visible {
  outline: 2px solid var(--xb-signal);
  outline-offset: 2px;
}
.page-contact .pc-shortcut__k {
  font-family: var(--xb-font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--xb-paper);
}
.page-contact .pc-shortcut__d {
  flex: 1;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 240, 231, 0.68);
}
.page-contact .pc-shortcut__go {
  font-family: var(--xb-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--xb-signal);
}
.page-contact .pc-tail {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 240, 231, 0.7);
}
.page-contact .pc-tail a {
  color: var(--xb-link);
}
.page-contact .pc-tail a:hover {
  color: var(--xb-signal);
}

/* ---------- 触屏：展开说明始终可见 ---------- */
@media (hover: none) {
  .page-contact .pc-chan__more {
    grid-template-rows: 1fr;
    margin-top: 10px;
    opacity: 1;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-list li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-contact .pc-shortcut__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-response__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-body__grid {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-contact .pc-rail {
    position: sticky;
    top: calc(var(--xb-header-h) + 28px);
    align-self: start;
  }
  .page-contact .pc-hero {
    padding-top: calc(var(--xb-header-h) + 52px);
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-shortcut__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-guide:not([hidden]) {
    animation: none;
  }
  .page-contact .pc-chan,
  .page-contact .pc-chan__more,
  .page-contact .pc-shortcut__card {
    transition: none;
  }
}
</main>