.page-contact {
  --pc-card-radius: 28px;
  --pc-card-shadow: 0 28px 54px -40px rgba(10, 31, 68, .72);
  --pc-ease: cubic-bezier(.22, .9, .28, 1);
}

/* ---------- 页首 ---------- */
.page-contact .breadcrumbs {
  margin-bottom: 26px;
}

.page-contact .contact-head {
  max-width: 800px;
}

.page-contact .contact-head .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--teal);
}

.page-contact .contact-head h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.22;
  color: var(--deep);
  letter-spacing: -.01em;
}

.page-contact .contact-head .lede {
  margin: 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 首屏视觉 ---------- */
.page-contact .contact-visual {
  position: relative;
  margin: clamp(32px, 5vw, 56px) 0 clamp(48px, 7vw, 88px);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: linear-gradient(118deg, var(--deep) 0%, var(--indigo) 52%, var(--teal) 100%);
  box-shadow: 0 46px 80px -54px rgba(6, 21, 48, .9);
}

.page-contact .contact-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-contact .contact-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  margin-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .chapter__index {
  color: var(--violet);
  font-size: 13px;
  letter-spacing: .2em;
}

.page-contact .chapter__title {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--deep);
}

.page-contact .chapter__lede {
  max-width: 62ch;
  color: var(--ink-2);
  line-height: 1.85;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 34px 28px 28px;
  border-radius: var(--pc-card-radius);
  background: #fff;
  border: 1px solid rgba(77, 208, 225, .42);
  box-shadow: var(--pc-card-shadow);
  overflow: hidden;
  transition: transform .26s var(--pc-ease), border-color .26s var(--pc-ease), box-shadow .26s var(--pc-ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 38px 62px -42px rgba(10, 31, 68, .8);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--pc-accent, var(--electric));
}

.page-contact .contact-card--mail { --pc-accent: var(--electric); }
.page-contact .contact-card--phone { --pc-accent: var(--cyan); }
.page-contact .contact-card--place { --pc-accent: var(--violet); }

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(15px, 2.5vw, 18px);
  line-height: 1.55;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .contact-card__value--place {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.7;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .copy-btn {
  align-self: flex-start;
  margin-top: auto;
  padding: 10px 22px;
  border-radius: var(--r-pill);
  border: 1px solid var(--electric);
  background: rgba(0, 102, 255, .06);
  color: var(--electric);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s var(--pc-ease), color .2s var(--pc-ease), border-color .2s var(--pc-ease);
}

.page-contact .copy-btn:hover {
  background: var(--electric);
  color: #fff;
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

.page-contact .copy-btn[data-copy-state="done"] {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

/* ---------- 企业客户对接 ---------- */
.page-contact .ent-band {
  position: relative;
  padding: clamp(30px, 4.4vw, 54px);
  border-radius: var(--r-xl);
  background: linear-gradient(146deg, var(--teal) 0%, var(--deep) 74%);
  color: #fff;
  overflow: hidden;
}

.page-contact .ent-band::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 208, 225, .34) 0%, transparent 68%);
  pointer-events: none;
}

.page-contact .ent-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 52px);
}

.page-contact .ent-col h3 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 23px);
  color: #fff;
  line-height: 1.4;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .checklist li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .84);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  border: 1.5px solid var(--cyan);
  background: rgba(77, 208, 225, .18);
}

.page-contact .checklist--alt li::before {
  border-radius: 50%;
  border-color: var(--orange);
  background: rgba(255, 107, 53, .2);
}

.page-contact .checklist li strong {
  color: #fff;
  font-weight: 600;
}

.page-contact .ent-note {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan);
  background: rgba(255, 255, 255, .07);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
}

/* ---------- 家庭用户支持 ---------- */
.page-contact .fam-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .fam-card {
  padding: 28px 26px;
  border-radius: var(--pc-card-radius);
  background: var(--mist);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--cyan);
  transition: transform .24s var(--pc-ease), background .24s var(--pc-ease);
}

.page-contact .fam-card:hover {
  transform: translateY(-3px);
  background: #fff;
}

.page-contact .fam-card .tag {
  display: inline-block;
  margin-bottom: 14px;
}

.page-contact .fam-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.45;
  color: var(--deep);
}

.page-contact .fam-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

/* ---------- 咨询响应流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__item {
  position: relative;
  margin-left: 8px;
  padding: 0 0 38px 46px;
  border-left: 1px solid var(--hair-dark, rgba(136, 146, 166, .35));
}

.page-contact .flow__item:last-child {
  border-color: transparent;
  padding-bottom: 0;
}

.page-contact .flow__dot {
  position: absolute;
  left: -8px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--cyan);
  transition: background .22s var(--pc-ease), border-color .22s var(--pc-ease), box-shadow .22s var(--pc-ease);
}

.page-contact .flow__item:hover .flow__dot,
.page-contact .flow__item:focus-within .flow__dot {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 6px rgba(255, 107, 53, .16);
}

.page-contact .flow__step {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-contact .flow__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  color: var(--deep);
}

.page-contact .flow__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-contact .flow-figure {
  margin: clamp(34px, 4.6vw, 56px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(132deg, var(--indigo), var(--deep));
  box-shadow: var(--pc-card-shadow);
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 600;
  object-fit: cover;
}

/* ---------- 提交前可以先看 ---------- */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .prep-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 22px;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--hair);
  color: var(--deep);
  text-decoration: none;
  transition: transform .24s var(--pc-ease), border-color .24s var(--pc-ease), box-shadow .24s var(--pc-ease);
}

.page-contact .prep-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 32px 50px -38px rgba(10, 31, 68, .78);
}

.page-contact .prep-card:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

.page-contact .prep-card .tag {
  align-self: flex-start;
}

.page-contact .prep-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--deep);
}

.page-contact .prep-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-contact .prep-card__go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--electric);
  letter-spacing: .04em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-card--place {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 980px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-card--place {
    grid-column: auto;
  }

  .page-contact .ent-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .fam-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 480px) {
  .page-contact .contact-card {
    padding: 30px 22px 24px;
  }

  .page-contact .ent-band {
    border-radius: var(--r-lg);
  }

  .page-contact .flow__item {
    padding-left: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .fam-card,
  .page-contact .prep-card,
  .page-contact .flow__dot,
  .page-contact .copy-btn {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .fam-card:hover,
  .page-contact .prep-card:hover {
    transform: none;
  }
}
</main>