.page-contact {
  --pc-line: rgba(42, 58, 114, 0.62);
  --pc-line-soft: rgba(42, 58, 114, 0.34);
  --pc-panel: rgba(19, 28, 66, 0.82);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 900px;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(42, 58, 114, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 58, 114, 0.22) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(ellipse 92% 62% at 50% 0%, #000 18%, transparent 76%);
  mask-image: radial-gradient(ellipse 92% 62% at 50% 0%, #000 18%, transparent 76%);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 30px;
  padding-bottom: 6px;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 20px;
}

.page-contact .contact-hero__main h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  color: var(--text);
  text-shadow: 0 0 24px rgba(53, 232, 224, 0.24);
}

.page-contact .contact-hero__lead {
  margin-top: 18px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--soft);
}

.page-contact .contact-hero__aside {
  align-self: start;
  border: 1px solid var(--pc-line);
  border-radius: var(--r-card);
  background: linear-gradient(152deg, rgba(28, 42, 92, 0.88), rgba(11, 18, 48, 0.58));
  padding: 22px 24px 24px;
  box-shadow: inset 0 1px 0 rgba(234, 240, 255, 0.06);
}

.page-contact .contact-hero__label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--soft);
  margin: 0;
}

.page-contact .contact-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 6px 0 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: clamp(42px, 9vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__unit {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--text);
}

.page-contact .contact-hero__sub {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--soft);
}

/* ---------- 通用章节头 ---------- */
.page-contact .contact-head {
  max-width: 740px;
  margin-bottom: 30px;
}

.page-contact .contact-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 14px 0 12px;
  color: var(--text);
}

.page-contact .contact-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
}

/* ---------- 渠道视觉横幅 ---------- */
.page-contact .contact-banner {
  margin: 0 0 24px;
  border-radius: 28px;
  border: 1px solid var(--pc-line);
  overflow: hidden;
  background: var(--night);
  position: relative;
}

.page-contact .contact-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .contact-banner__cap {
  position: absolute;
  left: 20px;
  bottom: 18px;
  margin: 0;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  background: rgba(6, 10, 28, 0.72);
  border: 1px solid var(--pc-line-soft);
  font-size: 13px;
  color: var(--text);
  backdrop-filter: blur(6px);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .contact-card {
  --pc-accent: var(--cyan);
  position: relative;
  border-radius: var(--r-card);
  border: 1px solid var(--pc-line);
  background: linear-gradient(162deg, rgba(19, 28, 66, 0.94), rgba(11, 18, 48, 0.72));
  overflow: hidden;
  transition: border-color 0.32s var(--ease), transform 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--pc-accent);
  opacity: 0.92;
}

.page-contact .contact-card--mail { --pc-accent: var(--cyan); }
.page-contact .contact-card--line { --pc-accent: var(--violet); }
.page-contact .contact-card--addr { --pc-accent: var(--gold); }

.page-contact .contact-card:hover,
.page-contact .contact-card[open] {
  border-color: var(--pc-accent);
  box-shadow: 0 18px 44px -26px var(--pc-accent);
}

.page-contact .contact-card summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: 9px;
  padding: 26px 22px 22px;
  min-height: 44px;
}

.page-contact .contact-card summary::-webkit-details-marker {
  display: none;
}

.page-contact .contact-card summary:focus-visible {
  outline: 2px solid var(--pc-accent);
  outline-offset: -4px;
  border-radius: var(--r-card);
}

.page-contact .contact-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-card__badge {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 3px 11px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pc-accent);
  color: var(--pc-accent);
  background: rgba(6, 10, 28, 0.5);
}

.page-contact .contact-card__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--text);
}

.page-contact .contact-card__caret {
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--pc-accent);
  border-bottom: 2px solid var(--pc-accent);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.3s var(--ease);
}

.page-contact .contact-card[open] .contact-card__caret {
  transform: rotate(-135deg) translateY(-2px);
}

.page-contact .contact-card__value {
  display: block;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__meta {
  display: block;
  font-size: 13px;
  color: var(--soft);
}

.page-contact .contact-card__body {
  padding: 18px 22px 24px;
  border-top: 1px solid var(--pc-line-soft);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--soft);
}

.page-contact .contact-card__body p {
  margin: 0 0 12px;
}

.page-contact .contact-card__body ul {
  margin: 0 0 12px;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-contact .contact-card__body li {
  line-height: 1.7;
}

.page-contact .contact-card__hint {
  margin: 0;
  font-size: 13px;
  color: var(--pc-accent);
  opacity: 0.9;
}

/* ---------- 受理范围 ---------- */
.page-contact .contact-scope__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .scope-item {
  position: relative;
  border-radius: var(--r-card);
  border: 1px solid var(--pc-line-soft);
  background: linear-gradient(200deg, rgba(19, 28, 66, 0.6), rgba(11, 18, 48, 0.4));
  padding: 24px 22px 24px 26px;
  overflow: hidden;
}

.page-contact .scope-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  opacity: 0.7;
}

.page-contact .scope-item__no {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .scope-item h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  margin: 0 0 10px;
  color: var(--text);
}

.page-contact .scope-item p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--soft);
}

.page-contact .scope-item p:last-child {
  margin-bottom: 0;
}

.page-contact .scope-item__eg {
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: rgba(28, 42, 92, 0.5);
  border: 1px dashed var(--pc-line);
  font-size: 13.5px !important;
  color: var(--text) !important;
}

/* ---------- 回复时效 ---------- */
.page-contact .contact-reply__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-contact .contact-reply__copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 34px);
  line-height: 1.22;
  margin: 14px 0 14px;
  color: var(--text);
}

.page-contact .contact-reply__copy > p {
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--soft);
}

.page-contact .contact-reply__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-reply__list li {
  display: grid;
  grid-template-columns: minmax(96px, auto) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--pc-line-soft);
  background: rgba(19, 28, 66, 0.55);
}

.page-contact .contact-reply__list li span:first-child {
  font-size: 13.5px;
  color: var(--cyan);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.page-contact .contact-reply__list li span:last-child {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .contact-reply__note {
  font-size: 13.5px !important;
  line-height: 1.8 !important;
}

.page-contact .contact-reply__figure {
  margin: 0;
  border-radius: 28px;
  border: 1px solid var(--pc-line);
  overflow: hidden;
  background: var(--night);
}

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

.page-contact .contact-reply__figure .media-frame__caption {
  display: block;
  padding: 12px 18px;
  font-size: 13px;
  color: var(--soft);
  border-top: 1px solid var(--pc-line-soft);
}

/* ---------- 提问清单 ---------- */
.page-contact .contact-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .contact-brief__item label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px 18px 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--pc-line-soft);
  background: rgba(19, 28, 66, 0.55);
  cursor: pointer;
  min-height: 44px;
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease);
}

.page-contact .contact-brief__item label:hover {
  border-color: var(--pc-line);
  background: rgba(28, 42, 92, 0.6);
}

.page-contact .contact-brief__item input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.page-contact .contact-brief__box {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 8px;
  border: 1.5px solid var(--pc-line);
  background: rgba(6, 10, 28, 0.6);
  position: relative;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .contact-brief__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--abyss);
  border-bottom: 2px solid var(--abyss);
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform 0.22s var(--ease);
}

.page-contact .contact-brief__item input:checked + .contact-brief__box {
  border-color: var(--cyan);
  background: var(--cyan);
}

.page-contact .contact-brief__item input:checked + .contact-brief__box::after {
  transform: rotate(42deg) scale(1);
}

.page-contact .contact-brief__item input:focus-visible + .contact-brief__box {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-contact .contact-brief__txt {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-contact .contact-brief__k {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-contact .contact-brief__txt strong {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16.5px;
  color: var(--text);
}

.page-contact .contact-brief__txt > span:last-child {
  font-size: 14px;
  line-height: 1.78;
  color: var(--soft);
}

/* ---------- 分流表 ---------- */
.page-contact .contact-route__table {
  border-radius: var(--r-card);
  border: 1px solid var(--pc-line);
  background: rgba(11, 18, 48, 0.5);
  overflow: hidden;
}

.page-contact .contact-route__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--pc-line-soft);
}

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

.page-contact .contact-route__row:not(.contact-route__row--head):hover {
  background: rgba(28, 42, 92, 0.45);
}

.page-contact .contact-route__row--head {
  background: rgba(28, 42, 92, 0.55);
}

.page-contact .contact-route__row--head p {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  color: var(--soft);
  margin: 0;
}

.page-contact .contact-route__q {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .contact-route__a {
  margin: 0;
  position: relative;
}

.page-contact .contact-route__pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pc-line);
  background: rgba(19, 28, 66, 0.85);
  color: var(--cyan);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color 0.26s var(--ease), background 0.26s var(--ease), color 0.26s var(--ease);
}

.page-contact .contact-route__pill:hover,
.page-contact .contact-route__pill:focus-visible {
  border-color: var(--cyan);
  background: rgba(53, 232, 224, 0.12);
  color: var(--text);
  outline: none;
}

.page-contact .contact-route__pill::after {
  content: attr(data-hint);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: min(300px, 78vw);
  padding: 10px 13px;
  border-radius: var(--r-sm);
  border: 1px solid var(--pc-line);
  background: rgba(6, 10, 28, 0.94);
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.65;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
  pointer-events: none;
  z-index: 4;
}

.page-contact .contact-route__pill:hover::after,
.page-contact .contact-route__pill:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 结尾行动区 ---------- */
.page-contact .contact-cta {
  margin-top: 26px;
  padding: 24px 22px;
  border-radius: var(--r-card);
  border: 1px solid var(--pc-line);
  background: linear-gradient(140deg, rgba(28, 42, 92, 0.7), rgba(11, 18, 48, 0.5));
}

.page-contact .contact-cta p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .contact-cta__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-cta__row .btn {
  min-height: 44px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-brief__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .contact-route__row {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 44px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.85fr);
    gap: 48px;
    align-items: end;
    margin-top: 26px;
  }

  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

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

  .page-contact .contact-reply__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 46px;
    align-items: center;
  }

  .page-contact .contact-banner__cap {
    left: 28px;
    bottom: 24px;
  }

  .page-contact .contact-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 26px 30px;
  }

  .page-contact .contact-cta p {
    margin: 0;
    max-width: 62ch;
  }
}

@media (min-width: 1200px) {
  .page-contact::before {
    height: 1040px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card__caret,
  .page-contact .contact-route__pill,
  .page-contact .contact-route__pill::after,
  .page-contact .contact-brief__box,
  .page-contact .contact-brief__box::after {
    transition: none;
  }
}