/* ===== 联系入口页专属样式 ===== */
.page-contact {
  --contact-radius: 18px;
  --contact-radius-sm: 14px;
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  overflow: hidden;
  isolation: isolate;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.page-contact .breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .breadcrumb a:hover {
  color: var(--color-primary);
}

.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--color-text-light);
  font-weight: 600;
}

/* 章节标签与标题 */
.page-contact .section-label {
  display: inline-block;
  background: rgba(255, 107, 0, 0.12);
  border: 1px solid rgba(255, 107, 0, 0.4);
  border-radius: 4px;
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  padding: 0.35rem 0.7rem;
  text-transform: uppercase;
}

.page-contact .section-head {
  margin-bottom: 2rem;
}

.page-contact .section-head h2 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.15;
  margin: 0.5rem 0;
}

.page-contact .section-head p {
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 62ch;
}

/* ===== 首屏 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: 2rem 0 3.25rem;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(1000px 420px at 100% 0%, rgba(255, 107, 0, 0.18), transparent 60%),
    radial-gradient(760px 360px at 0% 100%, rgba(139, 92, 246, 0.16), transparent 60%);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-contact .contact-hero__content h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.08;
  margin: 1rem 0;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero__content > p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.75rem;
  max-width: 46ch;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact .contact-hero__actions .btn {
  font-size: 0.9rem;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--contact-radius);
  background: var(--color-bg-card);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-contact .contact-hero__image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ===== 联系渠道 ===== */
.page-contact .contact-channels {
  padding: 4rem 0;
}

.page-contact .contact-channels__layout {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-contact .contact-channels__list {
  display: grid;
  gap: 1.25rem;
}

/* 联系卡片 */
.page-contact .contact-card {
  display: flex;
  gap: 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--contact-radius-sm);
  padding: 1.5rem;
  position: relative;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 0, 0.5);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.page-contact .contact-card__icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  display: grid;
  place-items: center;
}

.page-contact .contact-card--email .contact-card__icon {
  background: rgba(255, 107, 0, 0.14);
  color: var(--color-primary);
}

.page-contact .contact-card--phone .contact-card__icon {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.35), rgba(217, 70, 239, 0.3));
  color: #fff;
}

.page-contact .contact-card--address .contact-card__icon {
  background: rgba(212, 255, 0, 0.12);
  color: var(--color-accent);
}

.page-contact .contact-card__body {
  flex: 1;
  min-width: 0;
}

.page-contact .contact-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.page-contact .contact-card__head h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
}

.page-contact .contact-card__body > p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 0.25rem;
}

.page-contact .contact-card__value {
  display: inline-block;
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-light);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  word-break: break-all;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .contact-card__value[href]:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-contact .contact-card__extra {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

/* 侧栏 */
.page-contact .contact-channels__aside {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-contact .contact-aside__figure {
  margin: 0;
  border-radius: var(--contact-radius);
  overflow: hidden;
  background: var(--color-bg-card);
}

.page-contact .contact-aside__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-aside__note {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--contact-radius-sm);
  padding: 1.5rem;
}

.page-contact .contact-aside__note h3 {
  font-family: var(--font-title);
  margin-bottom: 0.75rem;
}

.page-contact .contact-aside__note p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-contact .contact-aside__note ul {
  margin-top: 1rem;
  padding-left: 1.1rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.8;
}

.page-contact .contact-aside__note li::marker {
  color: var(--color-accent);
}

/* ===== 回复承诺 ===== */
.page-contact .contact-promise {
  padding: 4rem 0;
  background: linear-gradient(180deg, rgba(10, 30, 60, 0) 0%, rgba(18, 41, 75, 0.5) 100%);
}

.page-contact .contact-promise__inner {
  background:
    radial-gradient(600px 200px at 90% 0%, rgba(255, 107, 0, 0.28), transparent 60%),
    linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(217, 70, 239, 0.12) 100%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--contact-radius);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-promise__inner::after {
  content: "24";
  position: absolute;
  right: -0.1em;
  bottom: -0.25em;
  font-family: var(--font-mono);
  font-size: clamp(6rem, 18vw, 14rem);
  font-weight: 900;
  line-height: 1;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
}

.page-contact .contact-promise__head {
  position: relative;
  z-index: 1;
}

.page-contact .contact-promise__head h2 {
  font-family: var(--font-title);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  margin: 0.75rem 0 0.5rem;
}

.page-contact .contact-promise__head p {
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 60ch;
}

.page-contact .contact-promise__steps {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-contact .promise-step {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--contact-radius-sm);
  padding: 1.5rem;
}

.page-contact .promise-step__index {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-purple-start), var(--color-purple-end));
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-contact .promise-step h3 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.page-contact .promise-step p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-contact .contact-promise__note {
  position: relative;
  z-index: 1;
  margin-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* ===== 更多入口 ===== */
.page-contact .contact-more {
  padding: 4rem 0 5rem;
}

.page-contact .contact-more__grid {
  display: grid;
  gap: 1.25rem;
}

.page-contact .contact-more__card {
  position: relative;
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--contact-radius);
  padding: 2rem 1.5rem;
  color: var(--color-text-light);
  text-decoration: none;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.page-contact .contact-more__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.page-contact .contact-more__card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 107, 0, 0.5);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
}

.page-contact .contact-more__card:hover::before {
  transform: scaleX(1);
}

.page-contact .contact-more__card--privacy::before {
  background: linear-gradient(135deg, var(--color-purple-start), var(--color-purple-end));
}

.page-contact .contact-more__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 107, 0, 0.12);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
}

.page-contact .contact-more__card--privacy .contact-more__icon {
  background: rgba(139, 92, 246, 0.14);
  color: var(--color-purple-start);
}

.page-contact .contact-more__card h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.page-contact .contact-more__card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-contact .contact-more__arrow {
  display: inline-block;
  margin-top: 1.25rem;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.page-contact .contact-more__card--privacy .contact-more__arrow {
  color: var(--color-purple-start);
}

/* ===== 响应式布局 ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    padding: 3.5rem 0 5rem;
  }

  .page-contact .contact-promise__inner {
    padding: 3.5rem 2.5rem;
  }

  .page-contact .contact-promise__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

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

@media (min-width: 992px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }

  .page-contact .contact-channels {
    padding: 5.5rem 0;
  }

  .page-contact .contact-channels__layout {
    grid-template-columns: 1.4fr 0.9fr;
    gap: 2.5rem;
  }

  .page-contact .contact-promise {
    padding: 6rem 0;
  }

  .page-contact .contact-more {
    padding: 5.5rem 0 6rem;
  }
}