.page-contact {
  padding-top: calc(var(--cmd-h) + 20px);
  padding-bottom: clamp(40px, 7vw, 80px);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ly-mist);
}
.page-contact .crumbs a {
  color: var(--ly-mist);
  text-decoration: none;
  transition: color .2s var(--ly-ease);
}
.page-contact .crumbs a:hover { color: var(--ly-cyan); }
.page-contact .crumbs [aria-current="page"] { color: var(--ly-white); }
.page-contact .crumbs__sep { color: rgba(147, 175, 198, .5); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(26px, 6vw, 68px);
  padding-bottom: clamp(28px, 5vw, 56px);
  position: relative;
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: min(46%, 420px);
  height: 1px;
  background: linear-gradient(90deg, var(--ly-cyan), transparent);
  transform: rotate(-2.4deg);
  transform-origin: left center;
  pointer-events: none;
}
.page-contact .contact-hero__title {
  margin: 16px 0 0;
  font-family: var(--ly-font-display);
  font-weight: 300;
  font-size: clamp(40px, 8.6vw, 96px);
  line-height: 1.02;
  letter-spacing: -.015em;
  color: var(--ly-white);
}
.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--ly-coral);
}
.page-contact .contact-hero__lede {
  max-width: 34em;
  margin-top: clamp(18px, 2.4vw, 28px);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  color: var(--ly-mist);
}

/* ---------- 中心联系卡 ---------- */
.page-contact .hub-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--ly-line-strong);
  border-radius: var(--ly-radius);
  background: linear-gradient(160deg, rgba(15, 58, 92, .94) 0%, rgba(4, 24, 43, .97) 100%);
  padding: clamp(22px, 4vw, 46px);
}
.page-contact .hub-card__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  pointer-events: none;
}
.page-contact .hub-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(104deg, rgba(4, 24, 43, .96) 0%, rgba(4, 24, 43, .74) 55%, rgba(23, 240, 210, .08) 100%);
  pointer-events: none;
}
.page-contact .hub-card__title {
  margin: 12px 0 0;
  font-family: var(--ly-font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  color: var(--ly-white);
}
.page-contact .hub-list {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.page-contact .hub-item { min-width: 0; }
.page-contact .hub-item__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ly-cyan);
}
.page-contact .hub-item__v {
  margin: 8px 0 0;
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--ly-white);
  word-break: break-word;
}
.page-contact .hub-item__v--text {
  font-family: var(--ly-font-body);
  line-height: 1.6;
  letter-spacing: .01em;
}
.page-contact .hub-item__n {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ly-mist);
}

/* ---------- 事项卡片 ---------- */
.page-contact .contact-topics {
  padding-top: clamp(44px, 7vw, 88px);
}
.page-contact .topic-head__title,
.page-contact .sla-head__title,
.page-contact .flow-head__title {
  margin: 12px 0 0;
  font-family: var(--ly-font-display);
  font-weight: 300;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--ly-white);
}
.page-contact .topic-head__note {
  max-width: 34em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ly-mist);
}
.page-contact .topic-grid {
  position: relative;
  margin-top: clamp(24px, 4vw, 42px);
  display: grid;
  gap: 16px;
}
.page-contact .topic-grid::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 44%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ly-line-strong) 22%, var(--ly-line-strong) 78%, transparent);
  transform: rotate(-3.2deg);
  pointer-events: none;
  display: none;
}
.page-contact .topic-card {
  position: relative;
  min-width: 0;
  padding: 22px 20px 24px;
  border: 1px solid var(--ly-line);
  border-top: 2px solid var(--ly-cyan);
  border-radius: var(--ly-radius);
  background: rgba(8, 39, 66, .78);
  transition: border-color .25s var(--ly-ease), transform .25s var(--ly-ease), background .25s var(--ly-ease);
}
.page-contact .topic-card:hover,
.page-contact .topic-card:focus-within {
  border-color: var(--ly-line-strong);
  border-top-color: var(--ly-coral);
  background: rgba(15, 58, 92, .82);
  transform: translateY(-4px);
}
.page-contact .topic-card__no {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ly-cyan);
}
.page-contact .topic-card__title {
  margin: 12px 0 0;
  font-family: var(--ly-font-display);
  font-weight: 400;
  font-size: 19px;
  line-height: 1.35;
  color: var(--ly-white);
}
.page-contact .topic-card__lede {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ly-mist);
}
.page-contact .topic-card__meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ly-line);
}
.page-contact .topic-card__meta dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ly-coral-soft);
}
.page-contact .topic-card__meta dd {
  margin: 6px 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ly-white);
}
.page-contact .topic-card__meta dd:last-child { margin-bottom: 0; }

/* ---------- 回复节奏 ---------- */
.page-contact .contact-sla {
  padding-top: clamp(44px, 7vw, 88px);
}
.page-contact .sla-grid {
  margin-top: clamp(22px, 3.4vw, 34px);
  display: grid;
  gap: 12px;
}
.page-contact .sla-cell {
  min-width: 0;
  padding: 20px 20px 22px;
  border-left: 3px solid var(--ly-cyan);
  background: linear-gradient(90deg, rgba(15, 58, 92, .7), rgba(8, 39, 66, .32));
}
.page-contact .sla-cell__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ly-mist);
}
.page-contact .sla-cell__v {
  margin: 10px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.4;
  color: var(--ly-white);
}
.page-contact .sla-cell__v .num { color: var(--ly-cyan); }
.page-contact .sla-cell__n {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ly-mist);
}

/* ---------- 四步流程 ---------- */
.page-contact .contact-flow {
  padding-top: clamp(44px, 7vw, 88px);
}
.page-contact .flow {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: flow;
}
.page-contact .flow-step {
  position: relative;
  min-width: 0;
  padding: 20px 20px 22px;
  background: rgba(4, 24, 43, .6);
  border: 1px solid var(--ly-line);
  border-radius: var(--ly-radius);
  transition: background .25s var(--ly-ease), border-color .25s var(--ly-ease);
}
.page-contact .flow-step:hover,
.page-contact .flow-step:focus-within {
  background: rgba(15, 58, 92, .6);
  border-color: var(--ly-line-strong);
}
.page-contact .flow-step__no {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ly-coral);
}
.page-contact .flow-step__title {
  margin: 10px 0 0;
  font-family: var(--ly-font-display);
  font-weight: 400;
  font-size: 19px;
  color: var(--ly-white);
}
.page-contact .flow-step__body {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ly-mist);
}
.page-contact .flow-step__out {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(255, 106, 61, .38);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ly-coral-soft);
  transition: color .25s var(--ly-ease);
}
.page-contact .flow-step:hover .flow-step__out,
.page-contact .flow-step:focus-within .flow-step__out {
  color: var(--ly-coral);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-side {
  padding-top: clamp(44px, 7vw, 88px);
}
.page-contact .contact-side__inner {
  display: grid;
  gap: 22px;
  border-top: 1px solid var(--ly-line);
  padding-top: clamp(24px, 3.4vw, 40px);
}
.page-contact .contact-side__title {
  margin: 0;
  font-family: var(--ly-font-display);
  font-weight: 300;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.25;
  color: var(--ly-white);
}
.page-contact .contact-side__text p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ly-mist);
}
.page-contact .contact-side__text a {
  color: var(--ly-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 240, 210, .35);
  transition: border-color .2s var(--ly-ease), color .2s var(--ly-ease);
}
.page-contact .contact-side__text a:hover {
  color: var(--ly-white);
  border-bottom-color: var(--ly-white);
}
.page-contact .contact-side__media {
  border-radius: var(--ly-radius);
  overflow: hidden;
  border: 1px solid var(--ly-line);
}
.page-contact .contact-side__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 页尾字条 ---------- */
.page-contact .foot-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--ly-line);
  font-family: var(--ly-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ly-mist);
}
.page-contact .foot-strip .num {
  color: var(--ly-cyan);
  font-size: 15px;
  letter-spacing: .06em;
}
.page-contact .foot-strip__sep { color: rgba(147, 175, 198, .45); }

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .hub-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .hub-item {
    padding: 0 22px;
    border-left: 1px solid var(--ly-line);
  }
  .page-contact .hub-item:first-child {
    padding-left: 0;
    border-left: 0;
  }
  .page-contact .sla-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .sla-cell + .sla-cell { border-left-width: 3px; }
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .contact-side__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 980px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px 24px;
  }
  .page-contact .topic-grid::before { display: block; }
  .page-contact .topic-card:nth-child(1) { grid-column: 1 / 6; }
  .page-contact .topic-card:nth-child(2) { grid-column: 7 / 12; margin-top: 46px; }
  .page-contact .topic-card:nth-child(3) { grid-column: 2 / 7; }
  .page-contact .topic-card:nth-child(4) { grid-column: 8 / 13; margin-top: 46px; }
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-contact .flow-step {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 22px 22px 0;
    border-left: 1px dashed rgba(255, 106, 61, .42);
  }
  .page-contact .flow-step:first-child {
    padding-left: 0;
    border-left: 0;
  }
  .page-contact .flow-step:hover,
  .page-contact .flow-step:focus-within {
    background: rgba(15, 58, 92, .4);
  }
}

@media (min-width: 1120px) {
  .page-contact .contact-hero__lede { margin-top: 30px; }
  .page-contact .hub-card { padding: 52px 56px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-card,
  .page-contact .flow-step,
  .page-contact .flow-step__out { transition: none; }
  .page-contact .topic-card:hover,
  .page-contact .topic-card:focus-within { transform: none; }
}