.page-contact {
  background: var(--ink);
  color: var(--cream);
  padding: 22px 0 84px;
}

.page-contact .crumbs {
  margin-bottom: 22px;
}

/* ============ 首屏 ============ */
.page-contact .contact-hero {
  display: grid;
  gap: 28px;
  padding: 8px 0 46px;
  border-bottom: 1px solid var(--glass-line);
}

.page-contact .contact-hero__text {
  min-width: 0;
}

.page-contact .contact-hero__text .lede {
  max-width: 58ch;
  margin: 16px 0 0;
  line-height: 1.9;
  color: var(--cream);
}

.page-contact .hero-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--glass-line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 16px;
}

.page-contact .hero-facts__num {
  display: block;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--gold-hi);
}

.page-contact .hero-facts__label {
  display: block;
  margin-top: 5px;
  font-size: var(--fs-6);
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-contact .contact-hero__art {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-line);
  background: linear-gradient(155deg, var(--ink-2), var(--ink-3));
  box-shadow: var(--shadow-lift);
}

.page-contact .contact-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.9;
  transition: transform 0.55s var(--ease), opacity 0.55s var(--ease);
}

.page-contact .contact-hero__art:hover img {
  transform: scale(1.04);
  opacity: 1;
}

.page-contact .contact-hero__art figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 16px 12px;
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  color: var(--cream);
  background: linear-gradient(to top, rgba(17, 18, 20, 0.94), rgba(17, 18, 20, 0));
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
    align-items: start;
    padding: 14px 0 64px;
  }

  .page-contact .contact-hero__art {
    margin-top: 6px;
  }
}

/* ============ 章节标题组 ============ */
.page-contact .sect-head {
  max-width: 700px;
  margin-bottom: 26px;
}

.page-contact .sect-kicker {
  margin: 0 0 10px;
  font-size: var(--fs-6);
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-contact .sect-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-2);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .sect-sub {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--steel);
}

/* ============ 01 渠道对照 ============ */
.page-contact .routing {
  padding: 56px 0 12px;
}

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

.page-contact .chan {
  position: relative;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--glass);
  overflow: hidden;
  transition: border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.page-contact .chan::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.4s var(--ease);
}

.page-contact .chan[open] {
  border-color: rgba(212, 160, 23, 0.42);
  background: var(--ink-2);
}

.page-contact .chan[open]::before {
  transform: scaleY(1);
}

.page-contact .chan__sum {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 18px 54px 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .chan__sum::marker {
  content: "";
}

.page-contact .chan__sum:focus-visible {
  outline: 2px solid var(--gold-hi);
  outline-offset: -3px;
}

.page-contact .chan__sum::after {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -7px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 0.32s var(--ease), margin-top 0.32s var(--ease);
}

.page-contact .chan[open] .chan__sum::after {
  transform: rotate(-135deg);
  margin-top: -2px;
}

.page-contact .chan__idx {
  flex: 0 0 auto;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .chan__name {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .chan__flag {
  flex: 0 0 auto;
  padding: 2px 9px;
  border: 1px solid rgba(212, 160, 23, 0.5);
  border-radius: 999px;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold-hi);
}

.page-contact .chan__desc {
  flex: 1 1 180px;
  min-width: 0;
  font-size: 0.9rem;
  color: var(--steel);
}

.page-contact .chan__body {
  padding: 0 20px 22px 23px;
}

.page-contact .chan__body > p {
  max-width: 62ch;
  margin: 4px 0 18px;
  font-size: 0.96rem;
  line-height: 1.88;
  color: var(--cream);
}

.page-contact .chan__dl {
  margin: 0;
  display: grid;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px dashed var(--glass-line);
}

.page-contact .chan__dl > div {
  display: grid;
  gap: 3px;
}

.page-contact .chan__dl dt {
  font-size: var(--fs-6);
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .chan__dl dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--steel);
  min-width: 0;
}

@media (min-width: 680px) {
  .page-contact .chan__dl > div {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* ============ 等宽文本块 ============ */
.page-contact .mono-line {
  display: inline-block;
  max-width: 100%;
  margin-top: 2px;
  padding: 9px 14px;
  border: 1px dashed rgba(212, 160, 23, 0.38);
  border-radius: var(--radius-sm);
  background: rgba(212, 160, 23, 0.07);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  color: var(--gold-hi);
  word-break: break-all;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .mono-line--lg {
  margin-top: 18px;
  font-size: 1.12rem;
  padding: 13px 20px;
  letter-spacing: 0.08em;
}

/* ============ 02 工单衔接 ============ */
.page-contact .bridge {
  padding: 56px 0 8px;
}

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

.page-contact .bridge__main {
  min-width: 0;
}

.page-contact .bridge__main .prose {
  max-width: 66ch;
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--cream);
}

.page-contact .bridge__cols {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .bridge__col {
  padding: 18px 20px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--glass-line);
  background: var(--ink-2);
}

.page-contact .bridge__col--do {
  border-left: 3px solid var(--jade);
}

.page-contact .bridge__col--dont {
  border-left: 3px solid var(--cinnabar);
}

.page-contact .bridge__col h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-contact .bridge__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .bridge__col li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .bridge__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}

.page-contact .bridge__col--do li::before {
  color: var(--jade);
  opacity: 1;
}

.page-contact .bridge__col--dont li::before {
  color: var(--cinnabar);
  opacity: 1;
}

.page-contact .bridge__annot {
  padding: 20px 22px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--glass);
}

.page-contact .annot dt {
  font-size: var(--fs-6);
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-top: 16px;
}

.page-contact .annot dt:first-child {
  margin-top: 0;
}

.page-contact .annot dd {
  margin: 6px 0 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--steel);
}

@media (min-width: 720px) {
  .page-contact .bridge__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 980px) {
  .page-contact .bridge__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }
}

/* ============ 03 邮箱 ============ */
.page-contact .mailbox {
  padding: 62px 0 12px;
}

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

.page-contact .mailcard {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 22px 24px;
  border: 1px solid var(--glass-line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow-lift);
}

.page-contact .mailcard--jade {
  border-top-color: var(--jade);
}

.page-contact .mailcard__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .mailcard__badge {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(212, 160, 23, 0.5);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold-hi);
}

.page-contact .mailcard__badge--jade {
  border-color: rgba(46, 139, 122, 0.6);
  color: var(--jade);
}

.page-contact .mailcard__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.page-contact .mailcard__body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--steel);
}

.page-contact .mailbox__note {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--gold-deep);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(212, 160, 23, 0.05);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--cream);
}

@media (min-width: 760px) {
  .page-contact .mailgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ============ 04 电话 ============ */
.page-contact .phone {
  padding: 62px 0 12px;
}

.page-contact .phone__grid {
  display: grid;
  gap: 26px;
  padding: 26px 24px 28px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(192, 57, 43, 0.09), rgba(17, 18, 20, 0) 62%);
}

.page-contact .phone__text {
  min-width: 0;
}

.page-contact .phone__text p {
  max-width: 60ch;
  margin: 0 0 14px;
  font-size: 0.96rem;
  line-height: 1.88;
  color: var(--cream);
}

.page-contact .phone__side {
  padding: 18px 20px 20px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm);
  background: var(--ink);
}

.page-contact .phone__side-label {
  margin: 0 0 12px;
  font-size: var(--fs-6);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-contact .phone__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: pcPhone;
  display: grid;
  gap: 10px;
}

.page-contact .phone__steps li {
  counter-increment: pcPhone;
  position: relative;
  padding-left: 32px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--cream);
}

.page-contact .phone__steps li::before {
  content: counter(pcPhone, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .phone__side-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--glass-line);
  font-size: 0.84rem;
  color: var(--steel);
}

@media (min-width: 860px) {
  .page-contact .phone__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    padding: 32px 34px 34px;
    align-items: start;
  }
}

/* ============ 05 地址与备案 ============ */
.page-contact .records {
  margin: 62px 0 0;
  padding: 34px 24px 36px;
  border: 1px solid rgba(46, 139, 122, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(150deg, var(--teal), rgba(16, 51, 58, 0.35));
}

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

.page-contact .records__main {
  min-width: 0;
}

.page-contact .records__main > p {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--cream);
}

.page-contact .records__dl {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-contact .records__dl dt {
  font-size: var(--fs-6);
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-contact .records__dl dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--cream);
}

.page-contact .icp-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border: 1px solid var(--glass-line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--cream);
}

.page-contact .icp-badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
}

.page-contact .records__annot {
  padding: 20px 20px 22px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm);
  background: rgba(17, 18, 20, 0.5);
}

@media (min-width: 900px) {
  .page-contact .records {
    padding: 40px 40px 44px;
  }

  .page-contact .records__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }
}

/* ============ 06 处理流程 ============ */
.page-contact .flow {
  padding: 66px 0 0;
}

.page-contact .flow__wave {
  margin: 0 0 -12px;
  height: 34px;
  opacity: 0.85;
}

.page-contact .flow__wave svg {
  display: block;
  width: 100%;
  height: 100%;
}

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

.page-contact .flow__step {
  position: relative;
  padding: 22px 18px 20px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  background: var(--glass);
  transition: border-color 0.32s var(--ease), transform 0.32s var(--ease);
}

.page-contact .flow__step:hover {
  border-color: rgba(212, 160, 23, 0.4);
  transform: translateY(-3px);
}

.page-contact .flow__dot {
  position: absolute;
  top: -6px;
  left: 18px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--gold);
}

.page-contact .flow__step:nth-child(3) .flow__dot,
.page-contact .flow__step:nth-child(4) .flow__dot {
  border-color: var(--jade);
}

.page-contact .flow__step:nth-child(5) .flow__dot {
  border-color: var(--steel);
}

.page-contact .flow__n {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-contact .flow__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--cream);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--steel);
}

@media (min-width: 760px) {
  .page-contact .flow__steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 760px) and (max-width: 1000px) {
  .page-contact .flow__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .flow__figure {
  position: relative;
  margin: 42px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-line);
  background: var(--ink-2);
}

.page-contact .flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  opacity: 0.88;
  transition: opacity 0.5s var(--ease);
}

.page-contact .flow__figure:hover img {
  opacity: 1;
}

.page-contact .flow__figure figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 16px 12px;
  font-size: var(--fs-6);
  letter-spacing: 0.08em;
  color: var(--cream);
  background: linear-gradient(to top, rgba(17, 18, 20, 0.94), rgba(17, 18, 20, 0));
}

.page-contact .flow__tail {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--glass-line);
}

.page-contact .flow__tail p {
  max-width: 68ch;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--steel);
}

.page-contact .flow__tail a {
  color: var(--gold-hi);
  text-decoration: underline;
  text-decoration-color: rgba(212, 160, 23, 0.45);
  text-underline-offset: 3px;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease);
}

.page-contact .flow__tail a:hover,
.page-contact .flow__tail a:focus-visible {
  color: var(--cream);
  text-decoration-color: var(--gold);
}

/* ============ 收尾与降级 ============ */
@media (max-width: 480px) {
  .page-contact {
    padding-bottom: 64px;
  }

  .page-contact .chan__sum {
    padding: 16px 46px 16px 16px;
  }

  .page-contact .chan__body {
    padding: 0 16px 20px 19px;
  }

  .page-contact .records,
  .page-contact .phone__grid {
    padding-left: 18px;
    padding-right: 18px;
  }

  .page-contact .mono-line {
    font-size: 0.8rem;
    padding: 8px 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-hero__art img,
  .page-contact .chan::before,
  .page-contact .chan__sum::after,
  .page-contact .flow__step {
    transition: none;
  }

  .page-contact .contact-hero__art:hover img {
    transform: none;
  }

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