.page-contact {
  --page-line: rgba(231, 233, 244, 0.08);
  --page-ice-soft: rgba(10, 212, 255, 0.1);
  position: relative;
  padding-bottom: 5rem;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(122, 90, 245, 0.1), transparent 280px),
    radial-gradient(circle at 92% 62%, rgba(10, 212, 255, 0.07), transparent 320px);
}

/* ===== 面包屑 ===== */
.page-contact .breadcrumb {
  margin: 0 0 2rem;
  padding: 0.25rem 0;
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  margin-bottom: 4.5rem;
}
.page-contact .contact-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.page-contact .contact-hero__content {
  padding: 1.4rem 0;
}
.page-contact .contact-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.1rem, 1.5rem + 2vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  margin: 0.5rem 0 1.1rem;
  color: var(--c-text);
}
.page-contact .contact-hero__lead {
  color: var(--c-muted);
  font-size: clamp(1rem, 0.94rem + 0.24vw, 1.18rem);
  line-height: 1.8;
  max-width: 34ch;
  margin-bottom: 1.4rem;
}
.page-contact .contact-hero__note {
  border-left: 2px solid var(--c-alert);
  background: linear-gradient(90deg, rgba(255, 92, 57, 0.1), transparent);
  color: var(--c-text);
  padding: 0.6rem 1rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 1.4rem;
  max-width: 48ch;
}
.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}
.page-contact .contact-hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--page-line);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  background: var(--c-frame-2);
}
.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}
.page-contact .contact-hero__badge {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(7, 10, 22, 0.78);
  border: 1px solid rgba(10, 212, 255, 0.25);
  color: var(--c-ice);
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
}

/* ===== 联系渠道 + 联系表单组合 ===== */
.page-contact .contact-combo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 4.5rem;
}

/* 联系渠道 */
.page-contact .contact-channels {
  display: flex;
  flex-direction: column;
}
.page-contact .contact-channels h2,
.page-contact .contact-matters h2,
.page-contact .contact-form-section h2,
.page-contact .contact-time h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.7rem, 1.3rem + 1.2vw, 2.4rem);
  line-height: 1.15;
  color: var(--c-text);
  margin: 0.3rem 0 0.7rem;
}
.page-contact .contact-channels__intro,
.page-contact .contact-matters__intro {
  color: var(--c-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1.6rem;
}
.page-contact .contact-channels > .contact-card + .contact-card {
  margin-top: 1.1rem;
}

/* 频道卡片 */
.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(135deg, var(--c-panel), var(--c-frame-2));
  border: 1px solid var(--page-line);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.5rem 1.6rem;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 84%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-ice), transparent);
  opacity: 0.5;
}
.page-contact .contact-card:hover {
  transform: translateY(-2px);
  border-color: rgba(10, 212, 255, 0.3);
  box-shadow: 0 14px 40px rgba(7, 10, 22, 0.38);
}
.page-contact .contact-card__index {
  position: absolute;
  top: 0.9rem;
  right: 1.1rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 2.6rem;
  line-height: 1;
  color: rgba(122, 90, 245, 0.12);
  pointer-events: none;
}
.page-contact .contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: rgba(122, 90, 245, 0.14);
  color: var(--c-violet);
}
.page-contact .contact-card--email .contact-card__icon {
  background: rgba(83, 255, 160, 0.12);
  color: var(--c-green);
}
.page-contact .contact-card--phone .contact-card__icon {
  background: rgba(10, 212, 255, 0.1);
  color: var(--c-ice);
}
.page-contact .contact-card--address .contact-card__icon {
  background: rgba(122, 90, 245, 0.14);
  color: var(--c-violet);
}
.page-contact .contact-card__label {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 0.3rem;
}
.page-contact .contact-card__value {
  font-family: var(--font-data);
  font-weight: 500;
  font-size: clamp(1.05rem, 0.85rem + 0.5vw, 1.4rem);
  color: var(--c-text);
  line-height: 1.4;
  margin-bottom: 0.7rem;
  word-break: break-all;
}
.page-contact .contact-card__usage {
  color: var(--c-muted);
  font-size: 0.88rem;
  line-height: 1.72;
  margin-bottom: 1.1rem;
}
.page-contact .contact-card .btn--ghost {
  align-self: flex-start;
  margin-top: auto;
}
.page-contact .contact-card__mapframe {
  margin-top: 1.2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(245, 241, 232, 0.08);
  background: var(--c-frame);
}
.page-contact .contact-card__mapframe img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 联系表单 ===== */
.page-contact .contact-form-section {
  position: relative;
  background: var(--c-panel);
  border: 1px solid rgba(122, 90, 245, 0.18);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.3rem 1.8rem;
  box-shadow: 0 18px 50px rgba(7, 10, 22, 0.25);
}
.page-contact .contact-form-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-green), var(--c-ice));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0.8;
}
.page-contact .contact-form-section__desc {
  color: var(--c-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 1.6rem;
}
.page-contact .contact-form-section__fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}
.page-contact .field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-contact .field label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #C2C9E8;
}
.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea {
  background: var(--c-frame-2);
  border: 1px solid rgba(231, 233, 244, 0.12);
  border-radius: var(--radius-sm);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.75rem 0.9rem;
  width: 100%;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.page-contact .field input:focus,
.page-contact .field select:focus,
.page-contact .field textarea:focus {
  outline: none;
  border-color: var(--c-ice);
  box-shadow: 0 0 0 3px rgba(10, 212, 255, 0.14);
}
.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder {
  color: #5E6790;
}
.page-contact .field--full {
  grid-column: 1 / -1;
}
.page-contact .field__hint {
  font-size: 0.75rem;
  color: var(--c-muted);
  margin-top: 0.35rem;
}
.page-contact .contact-form-section .btn {
  width: 100%;
}
.page-contact .contact-form-section__foot {
  margin-top: 1.2rem;
  color: var(--c-muted);
  font-size: 0.8rem;
  text-align: right;
}

/* ===== 联系事项说明 ===== */
.page-contact .contact-matters {
  margin-bottom: 4.5rem;
}
.page-contact .contact-matters__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
.page-contact .contact-matter {
  position: relative;
  background: var(--c-frame-2);
  border: 1px solid var(--page-line);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.page-contact .contact-matter:hover {
  border-color: rgba(10, 212, 255, 0.3);
  transform: translateY(-2px);
}
.page-contact .contact-matter__num {
  display: block;
  font-family: var(--font-data);
  font-size: 2rem;
  line-height: 1;
  color: var(--c-violet);
  opacity: 0.55;
  margin-bottom: 0.7rem;
}
.page-contact .contact-matter h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--c-text);
  margin: 0 0 0.55rem;
}
.page-contact .contact-matter p {
  color: var(--c-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}
.page-contact .contact-matter a {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--c-green);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(83, 255, 160, 0.3);
}
.page-contact .contact-matter a:hover {
  color: var(--c-ice);
  border-bottom-color: var(--c-ice);
}

/* ===== 响应时效 ===== */
.page-contact .contact-time {
  margin-bottom: 2rem;
}
.page-contact .contact-time__panel {
  background: var(--c-warm);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem;
  color: #241F2A;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}
.page-contact .contact-time__panel h2 {
  color: var(--c-bg);
}
.page-contact .contact-time__panel p {
  color: #3B3348;
  font-size: 0.95rem;
  line-height: 1.8;
}
.page-contact .contact-time__note {
  border-left: 2px solid var(--c-alert);
  padding-left: 1rem;
  background: rgba(255, 92, 57, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 0.8rem;
}
.page-contact .contact-time__meta {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: #51496A;
  line-height: 1.6;
}

/* ===== 桌面布局 ===== */
@media (min-width: 900px) {
  .page-contact {
    padding-bottom: 6rem;
  }
  .page-contact .contact-hero__grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 3rem;
  }
  .page-contact .contact-hero__content {
    padding: 2.4rem 0;
  }
  .page-contact .contact-combo {
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
    align-items: start;
  }
  .page-contact .contact-channels {
    position: sticky;
    top: 2rem;
  }
  .page-contact .contact-form-section {
    padding: 2rem 1.8rem 2.2rem;
  }
  .page-contact .contact-form-section__fields {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-matters__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
  }
  .page-contact .contact-time__panel {
    display: grid;
    grid-template-columns: 7fr 5fr;
    padding: 2.8rem;
    align-items: center;
    gap: 3rem;
  }
}