/* ===== 联系我们 · 页面专属样式 ===== */
.page-contact {
  --contact-clip: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  --contact-clip-sm: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  position: relative;
  overflow-x: clip;
  background: var(--color-deep-space);
  color: var(--color-text);
  padding: 2rem 0 4.5rem;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 18%, rgba(0, 255, 135, 0.05) 0, transparent 4px),
    radial-gradient(circle at 88% 8%, rgba(184, 196, 206, 0.08) 0, transparent 3px),
    radial-gradient(circle at 92% 66%, rgba(0, 255, 135, 0.04) 0, transparent 4px),
    radial-gradient(circle at 6% 82%, rgba(255, 106, 0, 0.05) 0, transparent 3px);
  background-size: 240px 240px;
  background-repeat: repeat;
  pointer-events: none;
  animation: contactParticleDrift 26s var(--ease) infinite alternate;
}

@keyframes contactParticleDrift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(0, 18px, 0); }
}

.contact-container {
  position: relative;
  z-index: 1;
  width: min(100%, 1180px);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

/* 面包屑 */
.contact-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2.25rem;
  padding: 0;
  font-family: var(--font-number);
  font-size: 0.875rem;
  color: var(--color-muted);
}
.contact-breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.contact-breadcrumb a:hover {
  color: var(--color-neon);
}
.contact-breadcrumb-sep {
  color: var(--color-line);
}
.contact-breadcrumb [aria-current="page"] {
  color: var(--color-silver);
}

/* 页头 */
.contact-hero {
  max-width: 800px;
  margin-bottom: clamp(3.5rem, 8vw, 6.5rem);
}
.contact-eyebrow {
  margin: 0 0 0.8rem;
  font-family: var(--font-number);
  font-size: 0.8125rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-neon);
}
.contact-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(3rem, 11vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
}
.contact-lead {
  margin: 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 2vw, 1.1875rem);
  line-height: 1.8;
  max-width: 58ch;
}

/* 区块通用 */
.contact-section {
  margin-bottom: clamp(4rem, 9vw, 7rem);
}
.contact-section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  gap: 1rem 1.5rem;
  padding-bottom: 1.5rem;
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--color-line);
}
.contact-section-index {
  font-family: var(--font-number);
  font-weight: 700;
  font-size: clamp(3.5rem, 10vw, 6.5rem);
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--color-neon);
}
.contact-section-titles h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.05;
}
.contact-section-desc {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.7;
  font-size: 0.9375rem;
  max-width: 56ch;
}

/* 联系卡片网格 */
.contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}
.contact-item {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  padding: 1.75rem 1.5rem 1.6rem 1.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  clip-path: var(--contact-clip);
  text-decoration: none;
  color: var(--color-text);
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.contact-item:hover,
.contact-item:focus-visible {
  background-color: #122b3b;
  border-color: rgba(0, 255, 135, 0.3);
  outline: none;
}
.contact-item:focus-visible {
  outline: 2px solid var(--color-neon);
  outline-offset: 4px;
}
.contact-item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 0%, transparent 38%, rgba(0, 255, 135, 0.12) 48%, transparent 58%, transparent 100%);
  background-size: 260% 100%;
  background-position: 100% 0;
  transition: background-position 0.55s var(--ease);
}
.contact-item:hover::after,
.contact-item:focus-visible::after {
  background-position: 0 0;
}
.contact-item > * {
  position: relative;
  z-index: 2;
}
.contact-item-no {
  flex: 0 0 auto;
  font-family: var(--font-number);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-orange);
}
.contact-item-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}
.contact-item-label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.contact-item-value {
  font-family: var(--font-number);
  font-weight: 500;
  font-size: clamp(1.0625rem, 2.5vw, 1.4rem);
  line-height: 1.45;
  color: var(--color-neon);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.contact-item-note {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-muted);
}

/* 图片区 */
.contact-figure {
  margin: clamp(2.25rem, 5vw, 3.25rem) 0 0;
}
.contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: var(--contact-clip);
}
.contact-figure--clock img {
  max-width: 340px;
  aspect-ratio: 1 / 1;
}
.contact-figure--ship img {
  margin-left: auto;
  max-width: 560px;
  aspect-ratio: 16 / 10;
}
.contact-figure figcaption {
  margin-top: 0.9rem;
  font-family: var(--font-number);
  font-size: 0.8125rem;
  color: var(--color-silver);
  letter-spacing: 0.04em;
}

/* 自助先行 */
.contact-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.25rem;
}
.contact-help-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 1.25rem;
  padding: 1.75rem 1.6rem;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  clip-path: var(--contact-clip);
  text-decoration: none;
  color: var(--color-text);
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.contact-help-card:hover {
  background-color: #122b3b;
  border-color: rgba(0, 255, 135, 0.3);
}
.contact-help-q {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-neon);
}
.contact-help-main {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}
.contact-help-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.2;
}
.contact-help-desc {
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}
.contact-help-arrow {
  font-family: var(--font-number);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-neon);
  transition: transform 0.35s var(--ease);
}
.contact-help-card:hover .contact-help-arrow {
  transform: translateX(6px);
}

/* 页尾口号 */
.contact-slogan {
  margin: 0;
  padding-top: 2.25rem;
  border-top: 1px solid var(--color-line);
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.24em;
  text-indent: 0.24em;
  color: var(--color-silver);
}

/* 滚动显现（渐进增强） */
.js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.js .page-contact [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

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

@media (min-width: 860px) {
  .page-contact {
    padding-top: 3rem;
  }
  .contact-cards--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .contact-section-head {
    gap: 1.5rem 2rem;
  }
  .contact-figure--ship img {
    max-width: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact::before {
    animation: none;
  }
  .js .page-contact [data-reveal],
  .js .page-contact [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .contact-item,
  .contact-item::after,
  .contact-help-card,
  .contact-help-arrow,
  .contact-breadcrumb a {
    transition: none;
  }
}