.page-contact {
  --c-line: rgba(147, 166, 186, .20);
  --c-line-soft: rgba(147, 166, 186, .10);
  --c-body: rgba(233, 239, 246, .78);
  --c-radius: 12px;
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(2.5rem, 6vw, 4.5rem);
  padding-inline: max(var(--gutter), calc((100% - var(--shell-max)) / 2 + var(--gutter)));
  border-bottom: 1px solid var(--c-line-soft);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -46%;
  right: -14%;
  width: min(820px, 78%);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(46, 127, 212, .34), rgba(46, 127, 212, 0) 66%);
  pointer-events: none;
}

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

.page-contact .contact-hero__title {
  margin: .75rem 0 0;
  max-width: 19ch;
  font-size: clamp(2.1rem, 5.2vw, 3.9rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-contact .hl {
  color: var(--neon);
}

.page-contact .contact-hero__text {
  margin: clamp(1rem, 2.4vw, 1.5rem) 0 0;
  max-width: 38ch;
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
}

.page-contact .contact-hero .note {
  margin: 1.1rem 0 0;
  color: var(--slate);
}

/* ---------- 快速联系卡 ---------- */
.page-contact .quick-card {
  display: grid;
  gap: 1rem;
  align-content: start;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--mine);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--neon);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.page-contact .quick-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--neon);
}

.page-contact .quick-card__list {
  display: grid;
  gap: .85rem;
  margin: 0;
}

.page-contact .quick-card__row {
  display: grid;
  gap: .3rem;
  padding-bottom: .85rem;
  border-bottom: 1px dashed var(--c-line-soft);
}

.page-contact .quick-card__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .quick-card__row dt {
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-contact .quick-card__row dd {
  margin: 0;
}

.page-contact .quick-card__addr {
  font-size: .98rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .quick-card__hint {
  margin: 0;
  padding-top: .85rem;
  border-top: 1px solid var(--c-line-soft);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 等宽可选中 ---------- */
.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(.95rem, 1.5vw, 1.0625rem);
  color: var(--gold);
  word-break: break-all;
  cursor: text;
  -webkit-user-select: all;
  user-select: all;
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-section {
  padding-block: clamp(2.5rem, 6vw, 4.25rem);
}

.page-contact .contact-section--lined {
  border-top: 1px solid var(--c-line-soft);
}

/* ---------- 联系渠道 ---------- */
.page-contact .channels-figure {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0;
}

.page-contact .channels-figure .figure__media {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .channels-figure img,
.page-contact .address-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .channel-card {
  display: grid;
  gap: .7rem;
  align-content: start;
  padding: clamp(1.15rem, 2.4vw, 1.5rem);
  background: var(--mine);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .channel-card:hover {
  border-color: var(--line-neon);
  transform: translateY(-2px);
}

.page-contact .channel-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  color: rgba(53, 230, 210, .45);
}

.page-contact .channel-card .card__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .channel-card__value {
  margin: 0;
}

.page-contact .channel-card__value--addr {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--gold);
}

.page-contact .channel-card .card__body {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .channel-card__tag {
  justify-self: start;
  margin-top: .2rem;
}

/* ---------- 身份分段切换 ---------- */
.page-contact .identity-tabs {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .panel-card {
  display: grid;
  gap: .9rem;
  max-width: 62ch;
  padding: clamp(1.25rem, 3vw, 1.9rem);
  background: linear-gradient(180deg, rgba(15, 42, 68, .86), rgba(6, 26, 46, .86));
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
}

.page-contact .panel-card__title {
  margin: 0;
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 700;
  color: var(--mist);
}

.page-contact .panel-card__text {
  margin: 0;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--c-body);
}

.page-contact .panel-card .btn {
  justify-self: start;
  margin-top: .3rem;
}

/* ---------- 企业对接流程 ---------- */
.page-contact .flow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .steps {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .step {
  position: relative;
  display: grid;
  gap: .35rem;
  padding-left: 3.5rem;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 2.4rem;
  bottom: -1.25rem;
  width: 1px;
  background: linear-gradient(180deg, var(--line-neon), rgba(53, 230, 210, 0));
}

.page-contact .step:last-child::before {
  display: none;
}

.page-contact .step__node {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--line-neon);
  border-radius: 6px;
  background: var(--deep-sea);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--gold);
}

.page-contact .step__title {
  margin: .3rem 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .step__body {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .prep-note {
  align-self: start;
  padding: clamp(1.15rem, 2.6vw, 1.6rem);
  background: linear-gradient(180deg, rgba(15, 42, 68, .92), rgba(6, 26, 46, .92));
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius-lg);
}

.page-contact .prep-note__title {
  margin: 0 0 .9rem;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-contact .prep-note__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-contact .prep-note__list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--c-body);
}

.page-contact .prep-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: .38rem;
  height: .38rem;
  border-radius: 1px;
  background: var(--neon);
}

.page-contact .prep-note__foot {
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--c-line-soft);
  font-size: .82rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 回复时段 ---------- */
.page-contact .reply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .reply-stat {
  padding: 1rem 1.1rem;
  background: var(--mine);
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--neon);
  border-radius: 10px;
}

.page-contact .reply-stat .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gold);
}

.page-contact .reply-stat .stat__label {
  display: block;
  margin-top: .4rem;
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--slate);
}

.page-contact .prep-block {
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
  padding-top: clamp(1.25rem, 3vw, 1.75rem);
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .prep-block__title {
  margin: 0 0 1rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .prep-block__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
}

.page-contact .prep-block__item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: .7rem;
  align-items: start;
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .prep-block__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 600;
  color: var(--neon);
  padding-top: .25rem;
}

/* ---------- 地址与到达 ---------- */
.page-contact .address-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-contact .address-line {
  margin: clamp(1rem, 2.4vw, 1.5rem) 0 0;
  padding-left: .9rem;
  border-left: 3px solid var(--gold);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .address-text {
  margin: .9rem 0 0;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--c-body);
}

.page-contact .address-figure {
  margin: 0;
}

.page-contact .address-figure .figure__media {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .address-figure .figure__caption {
  margin-top: .75rem;
  font-size: .8rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 还没决定 ---------- */
.page-contact .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .next-card {
  display: grid;
  gap: .4rem;
  padding: 1.15rem 1.2rem;
  text-decoration: none;
  color: inherit;
  background: rgba(15, 42, 68, .55);
  border: 1px solid var(--c-line);
  border-radius: 12px;
  transition: border-color .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}

.page-contact .next-card:hover {
  border-color: var(--line-neon);
  background: rgba(15, 42, 68, .88);
  transform: translateY(-2px);
}

.page-contact .next-card__kicker {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--neon);
}

.page-contact .next-card__title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

.page-contact .next-card__text {
  font-size: .88rem;
  line-height: 1.75;
  color: var(--slate);
}

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

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

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(290px, .85fr);
    align-items: start;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  }

  .page-contact .flow-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, .75fr);
  }
}

@media (min-width: 1040px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .reply-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .next-card {
    transition: opacity .2s linear;
  }

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