/* ============ 咨询通道页 · page-contact ============ */
.page-contact {
  --contact-radius: var(--r-l);
  display: block;
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: clamp(10px, 2.4vw, 20px);
}

/* ---------- 首屏分屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: clamp(16px, 3.4vw, 36px) clamp(34px, 6vw, 72px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: min(720px, 92vw);
  height: min(720px, 92vw);
  background: radial-gradient(circle at 68% 34%,
      rgba(59, 42, 94, 0.62) 0%,
      rgba(19, 76, 70, 0.34) 44%,
      rgba(11, 23, 25, 0) 72%);
  pointer-events: none;
}

.page-contact .contact-hero > .pgt-wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 34px);
}

.page-contact .contact-hero__title {
  margin-top: 14px;
  max-width: 17ch;
}

.page-contact .contact-hero__lead {
  margin-top: 18px;
  color: var(--mist-100);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--stone-400);
}

.page-contact .contact-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-contact .contact-hero__facts .pgt-mono {
  font-size: 0.96rem;
  color: var(--gold-200);
  letter-spacing: 0.06em;
}

/* ---------- 联系方式玻璃面板 ---------- */
.page-contact .contact-panel {
  position: relative;
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--glass-line);
  border-radius: var(--contact-radius);
  background:
    linear-gradient(158deg, rgba(246, 226, 182, 0.15) 0%, rgba(246, 226, 182, 0.05) 46%, rgba(11, 23, 25, 0.4) 100%),
    var(--glass);
  backdrop-filter: blur(10px);
  box-shadow: 0 26px 64px rgba(5, 13, 14, 0.48);
  overflow: hidden;
}

.page-contact .contact-panel::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: -70%;
  left: -30%;
  height: 190px;
  background: radial-gradient(ellipse at 50% 0%, rgba(31, 140, 121, 0.4) 0%, rgba(31, 140, 121, 0) 72%);
  pointer-events: none;
}

.page-contact .contact-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--teal-200);
}

.page-contact .contact-line {
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-line__label {
  margin: 0 0 7px;
  font-size: 0.78rem;
  color: var(--stone-400);
}

.page-contact .contact-line__value {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.02rem, 4.4vw, 1.5rem);
  letter-spacing: 0.02em;
  color: var(--gold-200);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line-gold);
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-contact .contact-line__value:hover,
.page-contact .contact-line__value:focus-visible {
  color: #ffffff;
  border-color: var(--gold-500);
}

.page-contact .contact-line__note {
  margin: 9px 0 0;
  font-size: 0.84rem;
  color: var(--stone-400);
}

.page-contact .contact-panel__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-gold);
  font-size: 0.86rem;
  color: var(--gold-200);
  line-height: 1.7;
}

/* ---------- 章节头 ---------- */
.page-contact .contact-head {
  max-width: 60ch;
}

.page-contact .contact-head__note {
  margin: 12px 0 0;
  font-size: 0.95rem;
  color: var(--stone-400);
}

/* ---------- 三类自助问题 ---------- */
.page-contact .contact-pre__list {
  display: grid;
  gap: 20px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-pre__item {
  padding: 24px 22px 26px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--solid-card);
  transition: transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

.page-contact .contact-pre__item:hover {
  transform: translateY(-4px);
  border-color: var(--line-gold);
}

.page-contact .contact-pre__num {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--violet-500);
}

.page-contact .contact-pre__item h3 {
  margin: 0 0 10px;
}

.page-contact .contact-pre__item p {
  margin: 0 0 16px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--stone-400);
}

.page-contact .contact-pre__item p .pgt-mono {
  color: var(--gold-200);
}

.page-contact .contact-pre__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 2px;
  font-size: 0.88rem;
  color: var(--teal-200);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}

.page-contact .contact-pre__link::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-contact .contact-pre__link:hover,
.page-contact .contact-pre__link:focus-visible {
  color: var(--gold-200);
  border-color: var(--line-gold);
}

/* ---------- 双渠道页签 ---------- */
.page-contact .contact-tabs {
  position: relative;
  margin-top: clamp(24px, 4vw, 38px);
  padding: clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-l);
  background: var(--solid-card-2);
}

.page-contact .contact-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .contact-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .contact-tabs__tab {
  padding: 10px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(11, 23, 25, 0.5);
  color: var(--stone-400);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  cursor: pointer;
  transition: color var(--dur-2) var(--ease), background var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

.page-contact .contact-tabs__tab:hover {
  color: var(--gold-200);
  border-color: var(--line-gold);
}

.page-contact #ch-mail:checked ~ .contact-tabs__bar .contact-tabs__tab--mail,
.page-contact #ch-tel:checked ~ .contact-tabs__bar .contact-tabs__tab--tel {
  color: var(--night-950);
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.page-contact #ch-mail:focus-visible ~ .contact-tabs__bar .contact-tabs__tab--mail,
.page-contact #ch-tel:focus-visible ~ .contact-tabs__bar .contact-tabs__tab--tel {
  outline: 2px solid var(--violet-500);
  outline-offset: 2px;
}

.page-contact .contact-tabs__panel {
  display: none;
}

.page-contact #ch-mail:checked ~ .contact-tabs__panels .contact-tabs__panel--mail,
.page-contact #ch-tel:checked ~ .contact-tabs__panels .contact-tabs__panel--tel {
  display: block;
  animation: contactFadeIn var(--dur-3) var(--ease) both;
}

@keyframes contactFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .contact-tabs__panel h3 {
  margin: 0 0 12px;
}

.page-contact .contact-tabs__panel p {
  max-width: 62ch;
  margin: 0;
  font-size: 0.95rem;
  color: var(--stone-400);
}

.page-contact .contact-tabs__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .contact-tabs__tags li {
  padding: 5px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-xs);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--teal-200);
}

/* ---------- 邮件清单 ---------- */
.page-contact .contact-brief__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-contact .contact-brief__lead {
  margin: 14px 0 0;
  font-size: 0.95rem;
  color: var(--stone-400);
}

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

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

.page-contact .contact-check {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: rgba(15, 44, 42, 0.72);
  transition: border-color var(--dur-2) var(--ease), background var(--dur-2) var(--ease);
}

.page-contact .contact-check:has(.contact-check__input:checked) {
  border-color: var(--line-gold);
  background: rgba(18, 59, 55, 0.95);
}

.page-contact .contact-check__input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--gold-500);
  cursor: pointer;
}

.page-contact .contact-check label {
  cursor: pointer;
}

.page-contact .contact-check__title {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--mist-100);
}

.page-contact .contact-check__desc {
  display: block;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--stone-400);
}

.page-contact .contact-checklist__hint {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--stone-400);
  transition: color var(--dur-2) var(--ease);
}

.page-contact .contact-checklist__hint::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--stone-400);
  transition: background var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}

.page-contact .contact-checklist:not(:has(.contact-check__input:not(:checked))) .contact-checklist__hint {
  color: var(--gold-200);
}

.page-contact .contact-checklist:not(:has(.contact-check__input:not(:checked))) .contact-checklist__hint::before {
  background: var(--gold-500);
  box-shadow: 0 0 0 5px rgba(224, 174, 85, 0.16);
}

.page-contact .contact-brief__figure {
  margin: 0;
  border: 1px solid var(--glass-line);
  border-radius: var(--r-l);
  background: var(--solid-card);
  overflow: hidden;
}

.page-contact .contact-brief__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-brief__figure figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold-200);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-reply__steps {
  display: grid;
  gap: 18px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-reply__steps li {
  padding: 22px 22px 24px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--solid-card);
}

.page-contact .contact-reply__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 9px;
  border: 1px solid rgba(139, 92, 246, 0.42);
  border-radius: var(--r-xs);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--violet-500);
}

.page-contact .contact-reply__steps h3 {
  margin: 0 0 10px;
}

.page-contact .contact-reply__steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--stone-400);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-site__grid {
  display: grid;
  gap: 22px;
}

.page-contact .contact-site__card {
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-l);
  background: linear-gradient(135deg, rgba(31, 140, 121, 0.3) 0%, rgba(224, 174, 85, 0.1) 72%, rgba(11, 23, 25, 0.2) 100%);
}

.page-contact .contact-site__card h2 {
  margin: 0 0 20px;
}

.page-contact .contact-facts {
  margin: 0;
  padding: 0;
}

.page-contact .contact-facts__row {
  display: grid;
  gap: 4px 20px;
  padding: 14px 0;
  border-top: 1px solid rgba(142, 212, 193, 0.14);
}

.page-contact .contact-facts__row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-facts dt {
  font-size: 0.84rem;
  color: var(--stone-400);
}

.page-contact .contact-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2.6vw, 1.04rem);
  letter-spacing: 0.02em;
  color: var(--gold-200);
  word-break: break-all;
}

.page-contact .contact-facts dd a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: color var(--dur-1) var(--ease);
}

.page-contact .contact-facts dd a:hover,
.page-contact .contact-facts dd a:focus-visible {
  color: #ffffff;
}

.page-contact .contact-site__aside {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--glass-line);
  border-radius: var(--r-l);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-contact .contact-site__aside h3 {
  margin: 0 0 16px;
}

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

.page-contact .contact-site__links a {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-s);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--teal-200);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}

.page-contact .contact-site__links a:hover,
.page-contact .contact-site__links a:focus-visible {
  color: var(--gold-200);
  border-color: var(--line-gold);
  background: rgba(224, 174, 85, 0.07);
}

/* ---------- 底部氛围收束 ---------- */
.page-contact .contact-closing {
  position: relative;
  margin-top: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--line-soft);
  background: var(--ink-950);
  overflow: hidden;
}

.page-contact .contact-closing__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(240px, 36vw, 420px);
  object-fit: cover;
  opacity: 0.58;
}

.page-contact .contact-closing::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 23, 25, 0.2) 0%, rgba(5, 13, 14, 0.94) 84%);
  pointer-events: none;
}

.page-contact .contact-closing__body {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
  padding-block: clamp(20px, 3.5vw, 36px);
  padding-inline: max(var(--gutter), calc((100% - var(--wrap)) / 2));
}

.page-contact .contact-closing__line {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 780px) {
  .page-contact .contact-pre__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-reply__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 30px;
  }

  .page-contact .contact-brief__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-site__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-facts__row {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
  }
}

/* ---------- 无障碍与降级 ---------- */
.page-contact a:focus-visible,
.page-contact label:focus-visible,
.page-contact .contact-check__input:focus-visible {
  outline: 2px solid var(--violet-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .page-contact .contact-pre__item:hover {
    transform: none;
  }

  .page-contact .contact-tabs__panel {
    animation: none !important;
  }
}