/* ===== 联系我们 页面专属样式 ===== */
.page-contact {
  --c-card: #10224A;
  --c-line: rgba(143, 160, 196, .28);
  --c-line-soft: rgba(143, 160, 196, .15);
  --c-gold-line: rgba(232, 179, 60, .5);
  --c-ink: rgba(244, 247, 255, .78);
  display: block;
  overflow-x: clip;
  background-image:
    radial-gradient(900px 460px at 88% -6%, rgba(232, 179, 60, .10), transparent 65%),
    radial-gradient(760px 420px at 2% 34%, rgba(47, 168, 184, .07), transparent 62%);
}

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

.page-contact .k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-contact .v {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--snow);
  word-break: break-word;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding-block: 36px 52px;
  border-bottom: 2px solid var(--bg-void);
  background: var(--bg);
  overflow: hidden;
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 74% 42%;
  opacity: .3;
  filter: saturate(.85) contrast(1.05);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(10, 22, 51, .97) 0%, rgba(10, 22, 51, .88) 48%, rgba(10, 22, 51, .46) 100%),
    repeating-linear-gradient(58deg, rgba(244, 247, 255, .045) 0 1px, transparent 1px 15px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 16px;
  max-width: 860px;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--mute);
}

.page-contact .breadcrumb a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb__sep {
  color: var(--gold);
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(28px, 5.2vw, 46px);
  line-height: 1.16;
  letter-spacing: .06em;
  color: var(--snow);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-contact .contact-hero__quick {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 8px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .contact-hero__quick li {
  display: grid;
  gap: 5px;
}

/* ---------- 通用区块标题 ---------- */
.page-contact .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 30px;
}

.page-contact .section-head__sub {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mute);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(23px, 3.6vw, 33px);
  line-height: 1.24;
  letter-spacing: .07em;
  color: var(--snow);
}

.page-contact .section-title .mark {
  color: var(--gold);
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  padding-block: 58px 54px;
}

.page-contact .channel-grid {
  display: grid;
  gap: 26px;
}

.page-contact .channel-cards {
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px 22px 24px;
  background: var(--c-card);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translate(-3px, -3px);
  border-color: var(--gold);
}

.page-contact .channel-card--gold {
  border-color: var(--c-gold-line);
}

.page-contact .channel-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 19px;
  letter-spacing: .09em;
  color: var(--snow);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  letter-spacing: .02em;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .channel-card__link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 179, 60, .45);
  transition: border-color .2s var(--ease);
}

.page-contact .channel-card__link:hover,
.page-contact .channel-card__link:focus-visible {
  border-bottom-color: var(--gold);
}

.page-contact .channel-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-contact .channel-card__meta {
  font-family: var(--font-mono);
  font-size: 12.5px !important;
  letter-spacing: .05em;
  color: var(--mute) !important;
}

/* ---------- 处理来信面板 ---------- */
.page-contact .response-panel {
  display: grid;
  align-content: start;
  gap: 16px;
  padding: 24px 22px 26px;
  background:
    linear-gradient(180deg, rgba(47, 168, 184, .12), rgba(16, 34, 74, .95) 42%),
    var(--c-card);
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
}

.page-contact .response-panel h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 18px;
  letter-spacing: .09em;
  color: var(--snow);
}

.page-contact .response-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .response-list li {
  padding: 15px 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .response-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .response-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-contact .response-list span {
  display: block;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-contact .response-panel__foot {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--c-line-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--mute);
}

/* ---------- 邮件要点 ---------- */
.page-contact .mail-tips {
  padding-block: 12px 56px;
}

.page-contact .mail-tips__grid {
  display: grid;
  gap: 16px;
}

.page-contact .mail-tip {
  border: 2px solid var(--c-line);
  background: rgba(16, 34, 74, .72);
  box-shadow: var(--shadow-hard-sm);
  transition: border-color .25s var(--ease);
}

.page-contact .mail-tip[open] {
  border-color: var(--c-gold-line);
}

.page-contact .mail-tip summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .mail-tip summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .mail-tip__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid rgba(47, 168, 184, .5);
  padding: 2px 6px;
}

.page-contact .mail-tip__title {
  flex: 1 1 auto;
  font-family: var(--font-heading);
  font-size: 16.5px;
  letter-spacing: .08em;
  color: var(--snow);
}

.page-contact .mail-tip__caret {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
  transition: transform .22s var(--ease);
}

.page-contact .mail-tip[open] .mail-tip__caret {
  transform: rotate(45deg);
}

.page-contact .mail-tip__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .mail-tip__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

/* ---------- 地址与服务时段 ---------- */
.page-contact .visit-band {
  position: relative;
  background:
    repeating-linear-gradient(-52deg, rgba(5, 11, 26, .07) 0 2px, transparent 2px 16px),
    linear-gradient(96deg, #E8B33C 0%, #EFC55F 58%, #E8B33C 100%);
  border-top: 2px solid var(--bg-void);
  border-bottom: 2px solid var(--bg-void);
  color: var(--bg-void);
  padding-block: 44px 40px;
}

.page-contact .visit-band .index-tag {
  border-color: rgba(5, 11, 26, .42);
  color: var(--bg-void);
  background: rgba(5, 11, 26, .06);
}

.page-contact .visit-band__inner {
  display: grid;
  gap: 22px;
}

.page-contact .visit-band .section-title {
  color: var(--bg-void);
}

.page-contact .visit-band__head {
  display: grid;
  gap: 10px;
}

.page-contact .visit-band__grid {
  display: grid;
  gap: 0;
  border-top: 2px solid rgba(5, 11, 26, .34);
}

.page-contact .visit-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(5, 11, 26, .2);
}

.page-contact .visit-band .k {
  color: rgba(5, 11, 26, .62);
}

.page-contact .visit-band .v {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--bg-void);
}

.page-contact .visit-band__note {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(5, 11, 26, .74);
}

/* ---------- 合作对接 ---------- */
.page-contact .partners {
  padding-block: 58px 54px;
}

.page-contact .partners__inner {
  display: grid;
  gap: 28px;
}

.page-contact .partners__intro {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .partners__intro p {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-contact .partners__hint {
  font-family: var(--font-mono);
  font-size: 13px !important;
  letter-spacing: .04em;
  color: var(--mute) !important;
}

.page-contact .partners__intro .btn {
  justify-self: start;
  margin-top: 4px;
}

.page-contact .partners__cards {
  display: grid;
  gap: 16px;
}

.page-contact .partner-card {
  display: grid;
  gap: 10px;
  padding: 20px 20px 22px;
  background: var(--c-card);
  border: 2px solid var(--c-line);
  border-top: 3px solid var(--cyan);
  box-shadow: var(--shadow-hard-sm);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-contact .partner-card:hover {
  transform: translate(-3px, -3px);
  border-color: var(--c-gold-line);
  border-top-color: var(--gold);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 17px;
  letter-spacing: .09em;
  color: var(--snow);
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-ink);
}

.page-contact .partner-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--c-line);
  display: grid;
  gap: 8px;
}

.page-contact .partner-card__list li {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--mute);
}

.page-contact .partner-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 1px;
  background: var(--gold);
}

/* ---------- 场景对照 ---------- */
.page-contact .scenarios {
  padding-block: 4px 64px;
}

.page-contact .scenarios__layout {
  display: grid;
  gap: 24px;
}

.page-contact .scenarios__table-wrap {
  overflow-x: auto;
  border: 2px solid var(--c-line);
  box-shadow: var(--shadow-hard);
  background: rgba(10, 22, 51, .6);
  -webkit-overflow-scrolling: touch;
}

.page-contact .scenario-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.page-contact .scenario-table th {
  padding: 13px 16px;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
  white-space: nowrap;
  border-bottom: 2px solid var(--c-gold-line);
  background: rgba(16, 34, 74, .9);
}

.page-contact .scenario-table td {
  padding: 15px 16px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--c-ink);
  border-bottom: 1px solid var(--c-line-soft);
  vertical-align: top;
}

.page-contact .scenario-table tbody tr:nth-child(odd) {
  background: rgba(16, 34, 74, .5);
}

.page-contact .scenario-table tbody tr:hover {
  background: rgba(232, 179, 60, .08);
}

.page-contact .scenario-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .scenario-table td:first-child {
  color: var(--snow);
  font-weight: 600;
  letter-spacing: .02em;
}

.page-contact .scenarios__figure {
  margin: 0;
  display: grid;
  gap: 0;
}

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

.page-contact .scenarios__figure figcaption {
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--mute);
  border-top: 1px solid var(--c-line);
  background: rgba(16, 34, 74, .8);
}

/* ---------- 结尾行动 ---------- */
.page-contact .contact-cta {
  display: grid;
  gap: 16px;
  margin-top: 30px;
  padding: 24px 22px;
  border: 2px solid var(--c-gold-line);
  background:
    linear-gradient(120deg, rgba(232, 179, 60, .14), rgba(16, 34, 74, .92) 58%),
    var(--c-card);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-cta p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--snow);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-contact .visit-band__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .visit-item {
    border-bottom: 0;
    border-right: 1px solid rgba(5, 11, 26, .2);
    padding-right: 20px;
  }

  .page-contact .visit-item:last-child {
    border-right: 0;
    padding-right: 0;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: 54px 68px;
  }

  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 32px;
    align-items: start;
  }

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

  .page-contact .partners__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
    align-items: start;
  }

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

  .page-contact .partners__cards .partner-card:first-child {
    grid-column: span 2;
  }

  .page-contact .scenarios__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .scenarios__layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .partner-card,
  .page-contact .mail-tip__caret {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}