.page-contact {
  --pc-line-soft: rgba(201, 211, 224, 0.14);
  --pc-card: rgba(20, 34, 58, 0.62);
  --pc-node-w: min(1180px, 94vw);
  background: var(--deep);
  color: var(--ink);
  overflow-x: hidden;
}

.page-contact a {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: calc(var(--header-h) + 34px) 0 42px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(47, 224, 232, 0.16), transparent 58%),
    linear-gradient(168deg, var(--abyss) 0%, var(--deep) 58%, #0b1c33 100%);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: -10% -6% auto -6%;
  height: 118%;
  background: linear-gradient(114deg, rgba(14, 124, 134, 0.34) 0%, rgba(75, 61, 143, 0.2) 42%, rgba(14, 124, 134, 0) 68%);
  clip-path: polygon(0 0, 58% 0, 34% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .pc-hero__inner {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin: 0 auto;
  display: grid;
  gap: 30px;
}

.page-contact .pc-hero__title {
  margin: 12px 0 0;
  font-size: clamp(28px, 7vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.04em;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .pc-hero__lead {
  margin: 18px 0 0;
  max-width: 36ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(232, 246, 245, 0.78);
}

.page-contact .pc-hero__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-hero__fact {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
  padding-left: 14px;
  border-left: 2px solid var(--line-amber);
}

.page-contact .pc-hero__num {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber-soft);
  margin-right: 6px;
}

.page-contact .pc-hero__art {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--line-cyan);
  box-shadow: 0 24px 60px rgba(6, 14, 31, 0.62);
  background: var(--abyss);
}

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

/* ---------- 流程条 ---------- */
.page-contact .pc-flow {
  padding: 46px 0 8px;
}

.page-contact .pc-flow__track {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-flow__track::before {
  content: "";
  position: absolute;
  left: 33px;
  top: 20px;
  bottom: 20px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--amber));
  opacity: 0.5;
}

.page-contact .pc-flow__node {
  position: relative;
  padding: 14px 16px 14px 64px;
  background: var(--pc-card);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius-m);
  backdrop-filter: blur(8px);
}

.page-contact .pc-flow__node[open] {
  border-color: var(--line-cyan);
}

.page-contact .pc-flow__dot {
  position: absolute;
  left: 14px;
  top: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--abyss);
  background: linear-gradient(140deg, var(--cyan), var(--teal));
  box-shadow: 0 0 0 5px rgba(10, 23, 48, 0.92), 0 0 20px rgba(47, 224, 232, 0.32);
  z-index: 1;
}

.page-contact .pc-flow__node:last-child .pc-flow__dot {
  background: linear-gradient(140deg, var(--amber-soft), var(--amber));
  box-shadow: 0 0 0 5px rgba(10, 23, 48, 0.92), 0 0 20px rgba(255, 138, 61, 0.4);
}

.page-contact .pc-flow__summary {
  display: block;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-flow__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-contact .pc-flow__body {
  margin-top: 10px;
  border-top: 1px dashed var(--pc-line-soft);
  padding-top: 10px;
}

.page-contact .pc-flow__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 246, 245, 0.76);
}

/* ---------- 反馈类别 ---------- */
.page-contact .pc-types {
  padding: 44px 0 8px;
}

.page-contact .pc-types__list {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.page-contact .pc-types__item {
  background: rgba(10, 23, 48, 0.66);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-contact .pc-types__item[open] {
  border-color: var(--line-cyan);
  background: rgba(14, 22, 44, 0.86);
}

.page-contact .pc-types__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--ink);
}

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

.page-contact .pc-types__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
  flex: none;
}

.page-contact .pc-types__body {
  padding: 0 16px 16px;
}

.page-contact .pc-types__body p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 246, 245, 0.76);
}

.page-contact .pc-types__hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--amber-soft);
  border-left: 2px solid var(--line-amber);
  padding-left: 12px;
  background: rgba(255, 138, 61, 0.06);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  padding-top: 8px;
  padding-bottom: 8px;
}

/* ---------- 处理节奏 ---------- */
.page-contact .pc-time-section {
  padding: 46px 0 8px;
}

.page-contact .pc-time {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 24px;
  display: grid;
  gap: 20px;
}

.page-contact .pc-time::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--amber));
  opacity: 0.55;
}

.page-contact .pc-time__item {
  position: relative;
  padding: 14px 16px;
  background: var(--pc-card);
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius-m);
}

.page-contact .pc-time__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid var(--cyan);
}

.page-contact .pc-time__when {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .pc-time__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 246, 245, 0.78);
}

/* ---------- 资料同步合作 ---------- */
.page-contact .pc-sync {
  padding: 48px 0 8px;
}

.page-contact .pc-sync__panel {
  position: relative;
  padding: 26px 18px 28px;
  border-radius: var(--radius-l);
  border: 1px solid rgba(75, 61, 143, 0.6);
  background:
    radial-gradient(120% 80% at 92% 0%, rgba(47, 224, 232, 0.14), transparent 62%),
    linear-gradient(158deg, rgba(75, 61, 143, 0.44) 0%, rgba(10, 23, 48, 0.94) 62%);
  overflow: hidden;
}

.page-contact .pc-sync__head {
  position: relative;
}

.page-contact .pc-sync__notes {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.page-contact .pc-sync__notes p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 246, 245, 0.78);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-contact {
  position: relative;
  padding: 50px 0 10px;
  overflow: hidden;
}

.page-contact .pc-contact__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .pc-contact__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  display: block;
}

.page-contact .pc-contact__inner {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin: 0 auto;
}

.page-contact .pc-contact__grid {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.page-contact .pc-contact__card {
  padding: 20px 18px;
  border-radius: var(--radius-m);
  border: 1px solid var(--line-amber);
  background: linear-gradient(180deg, rgba(24, 37, 62, 0.86), rgba(10, 23, 48, 0.9));
}

.page-contact .pc-contact__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-soft);
}

.page-contact .pc-contact__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .pc-contact__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: rgba(232, 246, 245, 0.72);
}

/* ---------- 服务地区与备案 ---------- */
.page-contact .pc-region {
  padding: 46px 0 10px;
}

.page-contact .pc-region__inner {
  width: var(--shell);
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.page-contact .pc-region__title {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-contact .pc-region__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 246, 245, 0.76);
  max-width: 46ch;
}

.page-contact .pc-region__facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-region__fact {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  border: 1px solid var(--pc-line-soft);
  background: rgba(6, 14, 31, 0.62);
}

.page-contact .pc-region__fact dt {
  font-size: 13px;
  color: var(--mist);
}

.page-contact .pc-region__fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--cyan);
  text-align: right;
}

/* ---------- 相关页面 ---------- */
.page-contact .pc-links {
  padding: 44px 0 64px;
}

.page-contact .pc-links__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-links__item {
  padding: 16px 18px;
  border-radius: var(--radius-m);
  border: 1px solid var(--pc-line-soft);
  background: rgba(10, 23, 48, 0.6);
}

.page-contact .pc-links__item a {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
}

.page-contact .pc-links__item a:hover,
.page-contact .pc-links__item a:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--line-amber);
}

.page-contact .pc-links__item span {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(232, 246, 245, 0.7);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-hero {
    padding-top: calc(var(--header-h) + 48px);
    padding-bottom: 56px;
  }

  .page-contact .pc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 980px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    align-items: center;
    gap: 40px;
  }

  .page-contact .pc-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 34px;
  }

  .page-contact .pc-flow__track::before {
    left: 22px;
    right: 22px;
    top: 30px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--amber));
  }

  .page-contact .pc-flow__node {
    padding: 64px 18px 20px;
  }

  .page-contact .pc-flow__node:last-child {
    border-color: var(--line-amber);
  }

  .page-contact .pc-flow__dot {
    left: 18px;
    top: 8px;
    width: 44px;
    height: 44px;
    font-size: 14px;
  }

  .page-contact .pc-types__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-contact .pc-time {
    padding-left: 28px;
    gap: 22px;
  }

  .page-contact .pc-sync__panel {
    padding: 38px 36px 40px;
  }

  .page-contact .pc-contact {
    padding-top: 62px;
    padding-bottom: 20px;
  }

  .page-contact .pc-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-contact__value {
    font-size: 16px;
  }

  .page-contact .pc-links {
    padding-bottom: 86px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-hero__art,
  .page-contact .pc-flow__node,
  .page-contact .pc-types__item,
  .page-contact .pc-time__item {
    transition: none;
  }
}