/* ===== 联系我们 / page-contact ===== */
.page-contact {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(56px, 9vw, 120px);
  overflow-x: clip;
}

.page-contact .contact-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 4vw, 48px);
  overflow: hidden;
}

.page-contact .contact-hero__river {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8%;
  width: 100%;
  height: 60%;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .contact-hero__river path {
  fill: none;
  stroke: var(--gold-500);
  stroke-width: 1;
  opacity: 0.32;
}

.page-contact .contact-hero__river path:nth-child(2) {
  stroke: var(--cyan-400);
  opacity: 0.16;
}

.page-contact .contact-hero__river path:nth-child(3) {
  stroke: var(--line-600);
  opacity: 0.9;
}

.page-contact .contact-hero .eyebrow,
.page-contact .contact-hero__title,
.page-contact .contact-hero__lead,
.page-contact .contact-hero__facts {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(31px, 6.6vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.005em;
  color: var(--paper-100);
}

.page-contact .contact-hero__title-em {
  display: block;
  color: var(--gold-500);
}

.page-contact .contact-hero__lead {
  max-width: 62ch;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--gray-400);
}

.page-contact .contact-hero__facts {
  display: grid;
  gap: 1px;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-600);
  border-top: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
}

.page-contact .contact-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 18px;
  background: var(--ink-950);
}

.page-contact .contact-hero__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold-300);
}

.page-contact .contact-hero__unit {
  font-size: 14px;
  line-height: 1.55;
  color: var(--gray-400);
}

/* 章节通用 */
.page-contact .contact-channels,
.page-contact .lookup,
.page-contact .feedback,
.page-contact .visit,
.page-contact .contact-cta {
  margin-top: clamp(48px, 8vw, 104px);
}

.page-contact .contact-section__head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-section__head h2 {
  margin: 12px 0;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.22;
  color: var(--paper-100);
}

.page-contact .contact-section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--gray-400);
}

/* 联系渠道 */
.page-contact .contact-channels__grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-600);
  background: linear-gradient(150deg, var(--ink-900), var(--ink-950) 62%);
}

.page-contact .contact-card__media {
  margin: 0;
  border: 1px solid var(--line-600);
}

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

.page-contact .channel-list {
  display: grid;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-600);
  border-top: 1px solid var(--line-600);
}

.page-contact .channel {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-900);
  border-left: 2px solid transparent;
}

.page-contact .channel--accent {
  border-left-color: var(--cyan-400);
}

.page-contact .channel__name {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .channel__value {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-100);
  word-break: break-word;
}

.page-contact .channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray-400);
}

.page-contact .channel__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .channel__link:hover,
.page-contact .channel__link:focus-visible {
  color: var(--gold-300);
}

/* 记录查询 */
.page-contact .lookup__body {
  position: relative;
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

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

.page-contact .lookup__switch-col {
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line-600);
  background: var(--ink-900);
}

.page-contact .lookup__hint {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

.page-contact .lookup__switch {
  display: grid;
  gap: 8px;
}

.page-contact .lookup__tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line-600);
  background: var(--ink-800);
  color: var(--paper-200);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-contact .lookup__tab-index {
  flex: none;
  padding: 1px 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  border: 1px solid currentColor;
  color: var(--gold-500);
}

.page-contact .lookup__tab:hover {
  border-color: var(--gold-500);
  color: var(--gold-300);
}

.page-contact #lookup-a:checked ~ .lookup__switch-col label[for="lookup-a"],
.page-contact #lookup-b:checked ~ .lookup__switch-col label[for="lookup-b"],
.page-contact #lookup-c:checked ~ .lookup__switch-col label[for="lookup-c"] {
  border-color: var(--cyan-400);
  background: var(--ink-950);
  color: var(--cyan-400);
  box-shadow: inset 2px 0 0 var(--cyan-400);
}

.page-contact #lookup-a:focus-visible ~ .lookup__switch-col label[for="lookup-a"],
.page-contact #lookup-b:focus-visible ~ .lookup__switch-col label[for="lookup-b"],
.page-contact #lookup-c:focus-visible ~ .lookup__switch-col label[for="lookup-c"] {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

.page-contact .lookup__aside {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-400);
}

.page-contact .lookup__panels {
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line-600);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
}

.page-contact .lookup__panel {
  display: none;
  animation: pc-panel-in 0.34s ease both;
}

.page-contact #lookup-a:checked ~ .lookup__panels .lookup__panel--a,
.page-contact #lookup-b:checked ~ .lookup__panels .lookup__panel--b,
.page-contact #lookup-c:checked ~ .lookup__panels .lookup__panel--c {
  display: block;
}

@keyframes pc-panel-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-contact .lookup__panel h3 {
  margin: 12px 0 10px;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.3;
  color: var(--paper-100);
}

.page-contact .lookup__lead {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray-400);
}

.page-contact .steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .steps__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-600);
}

.page-contact .steps__item:last-child {
  border-bottom: 1px solid var(--line-600);
}

.page-contact .steps__index {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

.page-contact .steps__body {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-200);
}

.page-contact .lookup__media {
  margin: clamp(20px, 3vw, 34px) 0 0;
  border: 1px solid var(--line-600);
}

/* 问题反馈 */
.page-contact .feedback__grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-contact .feedback__list {
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-contact .feedback__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-950);
}

.page-contact .feedback__num {
  grid-row: span 2;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--magenta-500);
}

.page-contact .feedback__item h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper-100);
}

.page-contact .feedback__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--gray-400);
}

.page-contact .feedback__aside {
  padding: clamp(18px, 2.6vw, 26px);
}

.page-contact .feedback__aside h3 {
  margin: 10px 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--gold-300);
}

.page-contact .feedback__aside p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray-400);
}

.page-contact .feedback__links {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .feedback__links a {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line-600);
  background: rgba(10, 10, 13, 0.35);
  color: var(--paper-200);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .feedback__links a:hover,
.page-contact .feedback__links a:focus-visible {
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

/* 到访与周边 */
.page-contact .visit__grid {
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
}

.page-contact .visit__block {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-900);
}

.page-contact .visit__block h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper-100);
}

.page-contact .visit__block h3::before {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--gold-500);
}

.page-contact .visit__block p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--gray-400);
}

/* 收尾 */
.page-contact .contact-cta {
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--gold-500);
}

.page-contact .contact-cta__inner {
  max-width: 720px;
}

.page-contact .contact-cta h2 {
  margin: 12px 0;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.25;
  color: var(--paper-100);
}

.page-contact .contact-cta p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--gray-400);
}

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

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .visit__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: 1.15fr 1fr;
    align-items: start;
  }
  .page-contact .lookup__body {
    grid-template-columns: minmax(240px, 300px) 1fr;
    align-items: start;
  }
  .page-contact .feedback__grid {
    grid-template-columns: 1.35fr 0.9fr;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .lookup__panel {
    animation: none;
  }
  .page-contact .lookup__tab,
  .page-contact .feedback__links a {
    transition: none;
  }
}
</final>