.page-contact {
  --pc-hair: rgba(20, 64, 95, 0.62);
  --pc-hair-soft: rgba(20, 64, 95, 0.34);
  --pc-card: linear-gradient(165deg, rgba(14, 44, 69, 0.9), rgba(7, 26, 43, 0.94));
  --pc-sunken: rgba(7, 26, 43, 0.52);
  position: relative;
  padding-bottom: clamp(40px, 6vw, 92px);
}

.page-contact .pc-intro {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-contact .pc-intro__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: end;
}

@media (min-width: 940px) {
  .page-contact .pc-intro__head {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }
}

.page-contact .pc-intro__copy .lead {
  max-width: 62ch;
  margin-top: 16px;
}

/* 值班状态条 */
.page-contact .pc-status {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: var(--pc-card);
  border: 1px solid var(--pc-hair);
}

.page-contact .pc-status__dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--green-400);
  animation: pcPulse 2.4s ease-in-out infinite;
}

@keyframes pcPulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(95, 211, 168, 0.18); }
  50% { box-shadow: 0 0 0 10px rgba(95, 211, 168, 0); }
}

.page-contact .pc-status__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white-100);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-status__sub {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* 顶部通栏 */
.page-contact .pc-banner {
  position: relative;
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pc-hair-soft);
}

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

.page-contact .pc-banner .img-frame__caption {
  position: absolute;
  left: clamp(14px, 2vw, 26px);
  bottom: clamp(12px, 2vw, 22px);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-200);
}

/* 通道控制台 */
.page-contact .pc-console__title {
  margin-bottom: clamp(20px, 3vw, 32px);
}

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

.page-contact .pc-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-console__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
}

@media (min-width: 980px) {
  .page-contact .pc-console__grid {
    grid-template-columns: minmax(258px, 310px) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 58px);
    align-items: start;
  }
  .page-contact .pc-rail {
    position: sticky;
    top: 104px;
  }
}

.page-contact .pc-rail {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 16px;
  border-radius: var(--r-lg);
  background: rgba(14, 44, 69, 0.55);
  border: 1px solid var(--pc-hair);
}

.page-contact .pc-rail__title {
  margin: 0 0 8px 4px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-contact .pc-tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  gap: 3px 14px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.page-contact .pc-tab:hover {
  background: rgba(20, 64, 95, 0.6);
  transform: translateY(-2px);
}

.page-contact .pc-tab__no {
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--green-400);
}

.page-contact .pc-tab__name {
  grid-column: 2;
  font-size: 16px;
  font-weight: 600;
  color: var(--white-100);
}

.page-contact .pc-tab__hint {
  grid-column: 2;
  font-size: 12px;
  line-height: 1.5;
  color: var(--gray-400);
}

.page-contact #pc-c-ask:checked ~ .pc-console__grid .pc-tab[for="pc-c-ask"],
.page-contact #pc-c-correct:checked ~ .pc-console__grid .pc-tab[for="pc-c-correct"],
.page-contact #pc-c-coop:checked ~ .pc-console__grid .pc-tab[for="pc-c-coop"] {
  background: var(--green-600);
  border-color: var(--green-600);
}

.page-contact #pc-c-ask:checked ~ .pc-console__grid .pc-tab[for="pc-c-ask"] .pc-tab__name,
.page-contact #pc-c-correct:checked ~ .pc-console__grid .pc-tab[for="pc-c-correct"] .pc-tab__name,
.page-contact #pc-c-coop:checked ~ .pc-console__grid .pc-tab[for="pc-c-coop"] .pc-tab__name {
  color: var(--ink-50);
}

.page-contact #pc-c-ask:checked ~ .pc-console__grid .pc-tab[for="pc-c-ask"] .pc-tab__no,
.page-contact #pc-c-correct:checked ~ .pc-console__grid .pc-tab[for="pc-c-correct"] .pc-tab__no,
.page-contact #pc-c-coop:checked ~ .pc-console__grid .pc-tab[for="pc-c-coop"] .pc-tab__no {
  color: rgba(4, 16, 27, 0.7);
}

.page-contact #pc-c-ask:checked ~ .pc-console__grid .pc-tab[for="pc-c-ask"] .pc-tab__hint,
.page-contact #pc-c-correct:checked ~ .pc-console__grid .pc-tab[for="pc-c-correct"] .pc-tab__hint,
.page-contact #pc-c-coop:checked ~ .pc-console__grid .pc-tab[for="pc-c-coop"] .pc-tab__hint {
  color: rgba(4, 16, 27, 0.72);
}

.page-contact #pc-c-ask:focus-visible ~ .pc-console__grid .pc-tab[for="pc-c-ask"],
.page-contact #pc-c-correct:focus-visible ~ .pc-console__grid .pc-tab[for="pc-c-correct"],
.page-contact #pc-c-coop:focus-visible ~ .pc-console__grid .pc-tab[for="pc-c-coop"] {
  outline: 2px solid var(--green-400);
  outline-offset: 3px;
}

/* 面板 */
.page-contact .pc-panel {
  display: none;
  padding: clamp(22px, 3.2vw, 38px);
  border-radius: var(--r-lg);
  background: var(--pc-card);
  border: 1px solid var(--pc-hair);
}

.page-contact #pc-c-ask:checked ~ .pc-console__grid .pc-panel--ask,
.page-contact #pc-c-correct:checked ~ .pc-console__grid .pc-panel--correct,
.page-contact #pc-c-coop:checked ~ .pc-console__grid .pc-panel--coop {
  display: block;
  animation: pcPanelIn 0.24s ease both;
}

@keyframes pcPanelIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.page-contact .pc-panel .h2 {
  margin-top: 10px;
}

.page-contact .pc-panel__lead {
  margin-top: 14px;
  max-width: 60ch;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.78;
}

/* 大号联系方式 */
.page-contact .pc-lines {
  margin-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-line {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-line__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.page-contact .pc-line__value {
  font-size: clamp(17px, 3.4vw, 32px);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--white-100);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-line__value--tel {
  letter-spacing: 0.04em;
  color: var(--amber-500);
}

@media (min-width: 1240px) {
  .page-contact .pc-line__value {
    font-size: 40px;
  }
}

.page-contact .pc-note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .pc-note a {
  color: var(--green-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact .pc-note a:hover {
  color: var(--amber-200);
}

.page-contact .pc-note a:focus-visible {
  outline: 2px solid var(--green-400);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 纠错清单 */
.page-contact .pc-checklist {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-contact .pc-checklist__title {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-contact .pc-check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  padding: 13px 18px;
  border-radius: var(--r-md);
  background: var(--pc-sunken);
  border: 1px solid var(--pc-hair-soft);
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.page-contact .pc-check:hover {
  transform: translateY(-2px);
  border-color: var(--pc-hair);
}

.page-contact .pc-check:has(input:checked) {
  background: rgba(31, 163, 122, 0.1);
  border-color: rgba(31, 163, 122, 0.55);
}

.page-contact .pc-check input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border-radius: 7px;
  border: 1.5px solid var(--deep-500);
  background: rgba(4, 16, 27, 0.6);
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.page-contact .pc-check input::after {
  content: "";
  width: 10px;
  height: 5px;
  margin-top: -2px;
  border-left: 2px solid var(--ink-50);
  border-bottom: 2px solid var(--ink-50);
  transform: rotate(-45deg) scale(0);
  transition: transform var(--t-fast);
}

.page-contact .pc-check input:checked {
  background: var(--green-600);
  border-color: var(--green-600);
}

.page-contact .pc-check input:checked::after {
  transform: rotate(-45deg) scale(1);
}

.page-contact .pc-check input:focus-visible {
  outline: 2px solid var(--green-400);
  outline-offset: 3px;
}

.page-contact .pc-check__text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .pc-check__no {
  margin-right: 10px;
  font-size: 12px;
  color: var(--green-400);
}

/* 协作列表 */
.page-contact .pc-list {
  display: grid;
  gap: 10px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-list li {
  position: relative;
  padding: 12px 16px 12px 34px;
  border-radius: var(--r-sm);
  background: var(--pc-sunken);
  border: 1px solid var(--pc-hair-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 20px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-400);
}

.page-contact .pc-coop__figure {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--pc-hair-soft);
}

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

/* 响应节奏 */
.page-contact .pc-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

@media (min-width: 940px) {
  .page-contact .pc-rhythm__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: clamp(36px, 4.5vw, 72px);
  }
}

.page-contact .pc-rhythm__head p {
  margin-top: 14px;
  max-width: 58ch;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.78;
}

.page-contact .pc-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 560px) {
  .page-contact .pc-facts {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  }
}

.page-contact .pc-fact {
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: var(--pc-sunken);
  border: 1px solid var(--pc-hair-soft);
}

.page-contact .pc-fact__num {
  font-size: clamp(26px, 3.2vw, 36px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--amber-500);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-fact__num--wide {
  font-size: clamp(19px, 2.4vw, 26px);
}

.page-contact .pc-fact__unit {
  margin-left: 5px;
  font-size: 13px;
  color: var(--text-soft);
}

.page-contact .pc-fact__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray-400);
}

/* 帮助中心引导 */
.page-contact .pc-help {
  background: linear-gradient(180deg, rgba(242, 246, 248, 0.97), rgba(226, 238, 243, 0.92));
  border-radius: var(--r-lg);
}

.page-contact .pc-help .eyebrow,
.page-contact .pc-help .h2,
.page-contact .pc-help .pc-help__lead {
  color: var(--deep-900);
}

.page-contact .pc-help .eyebrow {
  color: var(--green-800);
}

.page-contact .pc-help__lead {
  margin-top: 14px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(7, 26, 43, 0.72);
}

.page-contact .pc-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 760px) {
  .page-contact .pc-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .pc-help__item {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(20, 64, 95, 0.16);
  text-decoration: none;
  transition: transform var(--t-fast), box-shadow var(--t-base), border-color var(--t-fast);
}

.page-contact .pc-help__item:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 163, 122, 0.5);
  box-shadow: 0 16px 32px rgba(7, 26, 43, 0.14);
}

.page-contact .pc-help__item:focus-visible {
  outline: 2px solid var(--green-800);
  outline-offset: 3px;
}

.page-contact .pc-help__name {
  font-size: 17px;
  font-weight: 600;
  color: var(--deep-900);
}

.page-contact .pc-help__desc {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(7, 26, 43, 0.66);
}

.page-contact .pc-help__go {
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green-800);
}

/* 地址与备案 */
.page-contact .pc-record__list {
  display: grid;
  gap: 0;
  margin: clamp(20px, 3vw, 30px) 0 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-record__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-hair);
}

@media (min-width: 640px) {
  .page-contact .pc-record__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-contact .pc-record__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-contact .pc-record__row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--white-100);
}

.page-contact .pc-record__row dd.mono {
  font-variant-numeric: tabular-nums;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}