.page-contact {
  --pc-line-soft: rgba(155, 176, 168, 0.16);
  --pc-panel: rgba(14, 59, 46, 0.42);
  display: block;
  color: var(--text);
}

/* ---------- 页头 ---------- */
.page-contact .pc-head {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(18px, 3vw, 30px);
  overflow: hidden;
}

.page-contact .pc-head::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -34%;
  width: min(560px, 72vw);
  height: min(560px, 72vw);
  border-radius: 46% 54% 62% 38% / 52% 40% 60% 48%;
  background: radial-gradient(circle at 42% 42%, rgba(0, 229, 199, 0.20), rgba(0, 229, 199, 0) 68%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .pc-head .shell {
  position: relative;
  z-index: 1;
}

.page-contact .pc-head .crumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .pc-head .display-1 {
  margin: 8px 0 0;
  max-width: 20ch;
  line-height: 1.04;
}

.page-contact .pc-head__accent {
  display: block;
  color: var(--cyan);
}

.page-contact .pc-head__lede {
  margin-top: clamp(16px, 2.6vw, 26px);
  max-width: 64ch;
}

/* ---------- 章节胶囊导航 ---------- */
.page-contact .pc-jump {
  display: flex;
  gap: 10px;
  margin-top: clamp(22px, 3.6vw, 36px);
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-contact .pc-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--cool);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--speed), border-color var(--speed), background-color var(--speed);
}

.page-contact .pc-jump__link .mono {
  font-size: 12px;
  color: var(--cyan);
}

.page-contact .pc-jump__link:hover,
.page-contact .pc-jump__link:focus-visible {
  color: var(--text-strong);
  border-color: var(--cyan);
  background: rgba(0, 229, 199, 0.08);
}

.page-contact .pc-jump__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .pc-jump__link[aria-current="true"] .mono {
  color: var(--ink);
}

/* ---------- 头图 ---------- */
.page-contact .pc-banner-wrap {
  margin-bottom: clamp(6px, 1.6vw, 14px);
}

.page-contact .pc-banner img {
  width: 100%;
}

/* ---------- 章节通用 ---------- */
.page-contact .pc-sec {
  position: relative;
}

.page-contact .pc-sec + .pc-sec {
  border-top: 1px solid var(--pc-line-soft);
}

/* ---------- 01 通道总览 ---------- */
.page-contact .pc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-contact .pc-channels {
  display: grid;
  gap: 14px;
}

.page-contact .pc-channel {
  position: relative;
  display: block;
  padding: 20px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(158deg, rgba(14, 59, 46, 0.72), rgba(7, 26, 20, 0.92));
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: border-color var(--speed), transform var(--speed), box-shadow var(--speed);
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 3px;
  background: var(--cyan);
  opacity: 0;
  transition: opacity var(--speed);
}

.page-contact .pc-channel:nth-child(2)::before {
  background: var(--orange);
}

.page-contact .pc-channel:nth-child(3)::before {
  background: var(--lime);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: 0 20px 42px -26px rgba(0, 229, 199, 0.6);
  outline: none;
}

.page-contact .pc-channel:hover::before,
.page-contact .pc-channel:focus-visible::before {
  opacity: 1;
}

.page-contact .pc-channel__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text-strong);
}

.page-contact .pc-channel__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .pc-channel__hint {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.7;
  color: var(--glow);
  transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

.page-contact .pc-channel:hover .pc-channel__hint,
.page-contact .pc-channel:focus-visible .pc-channel__hint,
.page-contact .pc-channel:focus-within .pc-channel__hint {
  max-height: 160px;
  opacity: 1;
  margin-top: 12px;
}

/* 对号入座面板 */
.page-contact .pc-match {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(255, 138, 61, 0.16), rgba(255, 138, 61, 0) 62%),
    var(--pc-panel);
}

.page-contact .pc-match__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--line);
}

.page-contact .pc-match__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 15px;
  background: rgba(7, 26, 20, 0.76);
}

.page-contact .pc-match__q {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.page-contact .pc-match__a {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-contact .pc-match__foot {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .pc-match__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 02 苹果测试版入口 ---------- */
.page-contact .pc-beta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 42px);
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-contact .pc-beta__text .display-3 {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .pc-prep {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-prep__item {
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

.page-contact .pc-prep__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  border: 1px solid var(--cyan);
  background: rgba(0, 229, 199, 0.2);
  transform: rotate(45deg);
}

.page-contact .pc-prep__item strong {
  color: var(--text-strong);
  font-weight: 600;
}

.page-contact .pc-beta__note {
  margin: 20px 0 0;
  padding: 15px 18px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 138, 61, 0.09);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 03 邮箱与电话 ---------- */
.page-contact .pc-direct {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr));
  gap: 16px;
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-contact .pc-direct__card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(14, 59, 46, 0.66), rgba(7, 26, 20, 0.94));
  overflow: hidden;
}

.page-contact .pc-direct__card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 199, 0));
}

.page-contact .pc-direct__card--tel::after {
  background: linear-gradient(90deg, var(--orange), rgba(255, 138, 61, 0));
}

.page-contact .pc-direct__card--time::after {
  background: linear-gradient(90deg, var(--lime), rgba(200, 255, 77, 0));
}

.page-contact .pc-direct__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-contact .pc-direct__v {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.4;
  color: var(--text-strong);
  word-break: break-word;
}

.page-contact .pc-direct__desc {
  margin: 12px 0 0;
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cool);
}

.page-contact .pc-direct__card .copy-btn {
  align-self: flex-start;
  margin-top: 18px;
}

/* ---------- 04 联系地址 ---------- */
.page-contact .pc-visit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-contact .pc-visit__card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--pc-panel);
}

.page-contact .pc-visit__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .pc-visit__v {
  margin: 14px 0 0;
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text-strong);
}

.page-contact .pc-visit__desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cool);
}

.page-contact .pc-map {
  position: relative;
  min-height: 236px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: rgba(7, 26, 20, 0.88);
  background-image:
    linear-gradient(rgba(155, 176, 168, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(155, 176, 168, 0.13) 1px, transparent 1px);
  background-size: 36px 36px;
}

.page-contact .pc-map::before {
  content: "";
  position: absolute;
  left: -10%;
  top: 44%;
  width: 130%;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 229, 199, 0), var(--cyan), rgba(0, 229, 199, 0));
  transform: rotate(-9deg);
  opacity: 0.7;
}

.page-contact .pc-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 26% 62%, rgba(255, 138, 61, 0.24), rgba(255, 138, 61, 0) 58%);
  pointer-events: none;
}

.page-contact .pc-map__pin {
  position: absolute;
  left: 26%;
  top: 62%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 6px rgba(255, 138, 61, 0.18), 0 0 24px rgba(255, 138, 61, 0.7);
}

.page-contact .pc-map__pin::after {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 1px solid rgba(255, 138, 61, 0.55);
  animation: pc-pulse 3.6s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  50% { transform: scale(1.5); opacity: 0.15; }
}

.page-contact .pc-map__label {
  position: absolute;
  left: 26%;
  top: 62%;
  transform: translate(20px, 12px);
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 26, 20, 0.86);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-strong);
  white-space: nowrap;
}

/* ---------- 05 备案信息 ---------- */
.page-contact .pc-filing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px 34px;
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: linear-gradient(104deg, rgba(255, 138, 61, 0.14), rgba(0, 229, 199, 0.09) 62%, rgba(7, 26, 20, 0.5));
}

.page-contact .pc-filing__badge {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
}

.page-contact .pc-filing__k {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cool);
}

.page-contact .pc-filing__v {
  font-size: clamp(19px, 2.6vw, 25px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-contact .pc-filing__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cool);
}

/* ---------- 06 处理流程 ---------- */
.page-contact .pc-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(20px, 3.4vw, 34px);
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 20px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 59, 46, 0.34);
  transition: border-color var(--speed), background-color var(--speed);
}

.page-contact .pc-flow__step:hover {
  border-color: var(--cyan);
  background: rgba(14, 59, 46, 0.54);
}

.page-contact .pc-flow__num {
  display: block;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .pc-flow__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--text-strong);
}

.page-contact .pc-flow__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--cool);
}

.page-contact .pc-flow__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(0, 229, 199, 0.07);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .pc-flow__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .pc-match__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-visit {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .pc-filing {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .pc-filing__badge {
    flex-direction: column;
    gap: 6px;
    padding-right: 34px;
    border-right: 1px solid var(--line-strong);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-beta {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (hover: none) {
  .page-contact .pc-channel__hint {
    max-height: 200px;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-channel__hint,
  .page-contact .pc-jump__link,
  .page-contact .pc-flow__step {
    transition: none;
  }

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

  .page-contact .pc-map__pin::after {
    animation: none;
  }
}