.page-contact .contact-crumbs {
  padding-top: 24px;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--stone-500);
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--stone-500);
}

.page-contact .crumb {
  color: var(--stone-500);
  text-decoration: none;
}

.page-contact .crumb:hover {
  color: var(--sea-500);
}

.page-contact .crumb[aria-current="page"] {
  color: var(--ink-900);
  font-weight: 500;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: 40px;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-contact .contact-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--turf-900);
  box-shadow: var(--shadow-1);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.04);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(178deg, rgba(16, 58, 87, 0.18) 0%, rgba(23, 64, 47, 0.86) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__figure figcaption {
  position: absolute;
  left: 24px;
  bottom: 20px;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--referee-yellow);
}

.page-contact .contact-hero__copy h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 50px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--stone-500);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 32px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--mist-200);
}

.page-contact .contact-hero__facts div {
  min-width: 96px;
}

.page-contact .contact-hero__facts dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone-500);
}

.page-contact .contact-hero__facts dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--turf-600);
}

/* ---------- 合作方向 ---------- */

.page-contact .contact-tracks__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
  margin-top: 40px;
}

.page-contact .track-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px 24px 26px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--mist-200);
  box-shadow: var(--shadow-1);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.page-contact .track-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  border-radius: var(--r-md) var(--r-md) 0 0;
}

.page-contact .track-card--turf::before {
  background: var(--turf-600);
}

.page-contact .track-card--clay::before {
  background: var(--terracotta);
}

.page-contact .track-card--sea::before {
  background: var(--sea-500);
}

.page-contact .track-card:hover,
.page-contact .track-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-contact .track-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--stone-500);
}

.page-contact .track-card__title {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-contact .track-card__body {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone-500);
}

.page-contact .track-card__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--mist-200);
  display: grid;
  gap: 8px;
}

.page-contact .track-card__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-contact .track-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--turf-400);
}

.page-contact .track-card--clay .track-card__list li::before {
  background: var(--terracotta);
}

.page-contact .track-card--sea .track-card__list li::before {
  background: var(--sea-500);
}

/* ---------- 授权与引用 ---------- */

.page-contact .contact-license__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-contact .contact-license__intro .section__lede {
  margin-bottom: 24px;
}

.page-contact .license-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .license-item {
  padding: 24px 24px 26px;
  background: var(--mist-200);
}

.page-contact .license-item:nth-child(odd) {
  background: #fff;
  border: 1px solid var(--mist-200);
}

.page-contact .license-item .tag {
  display: inline-block;
}

.page-contact .license-item h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-contact .license-item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--stone-500);
}

/* ---------- 纠错流程 ---------- */

.page-contact .contact-steps {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .contact-step {
  position: relative;
  padding: 26px 22px 24px;
  border-radius: var(--r-md);
  background: var(--rice-white);
  border: 1px solid var(--mist-200);
}

.page-contact .contact-step__num {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 32px;
  border-radius: var(--r-pill);
  background: var(--turf-900);
  color: var(--referee-yellow);
  font-size: 14px;
  font-weight: 600;
}

.page-contact .contact-step__title {
  margin: 16px 0 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .contact-step__body {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone-500);
}

/* ---------- 客服渠道 ---------- */

.page-contact .contact-channels__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-contact .contact-channels__copy .section__lede {
  margin-bottom: 24px;
}

.page-contact .contact-channels__figure {
  position: relative;
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--turf-900);
}

.page-contact .contact-channels__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.9);
}

.page-contact .contact-channels__figure figcaption {
  position: absolute;
  left: 20px;
  bottom: 16px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: rgba(20, 28, 25, 0.78);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rice-white);
}

.page-contact .channel-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .channel-card {
  padding: 26px 24px;
  border-radius: var(--r-md);
  background: #fff;
  border: 1px solid var(--mist-200);
  border-left: 6px solid var(--turf-600);
  box-shadow: var(--shadow-1);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.page-contact .channel-card--tel {
  border-left-color: var(--sea-500);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--stone-500);
}

.page-contact .channel-card__value {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
  word-break: break-word;
}

.page-contact .channel-card__value.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .channel-card__use {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .channel-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone-500);
}

/* ---------- 地址与备案 ---------- */

.page-contact .contact-base {
  padding-bottom: 88px;
}

.page-contact .contact-base__band {
  display: grid;
  gap: 26px;
  padding: 40px 28px;
  border-radius: var(--r-lg);
  background: var(--turf-900);
  color: var(--rice-white);
  background-image: radial-gradient(circle at 88% 12%, rgba(228, 255, 61, 0.16), transparent 52%);
}

.page-contact .contact-base__item {
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-contact .contact-base__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(245, 242, 233, 0.66);
}

.page-contact .contact-base__value {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--rice-white);
}

.page-contact .contact-base__value--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .contact-base__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-contact .contact-base__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--referee-yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 255, 61, 0.4);
  padding-bottom: 2px;
}

.page-contact .contact-base__links a:hover {
  border-bottom-color: var(--referee-yellow);
}

.page-contact .contact-base__links a:focus-visible,
.page-contact .track-card:focus-visible,
.page-contact .channel-card:focus-visible,
.page-contact .crumb:focus-visible,
.page-contact .contact-base a:focus-visible {
  outline: 2px solid var(--referee-yellow);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-tracks__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-base__band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 48px 44px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
  }

  .page-contact .contact-tracks__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-license__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px 56px;
  }

  .page-contact .contact-channels__copy {
    grid-column: 1;
    grid-row: 1;
  }

  .page-contact .channel-cards {
    grid-column: 1;
    grid-row: 2;
  }

  .page-contact .contact-channels__figure {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: stretch;
  }

  .page-contact .contact-channels__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 420px;
  }

  .page-contact .contact-base__band {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
    gap: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .track-card,
  .page-contact .channel-card {
    transition: none;
  }

  .page-contact .track-card:hover,
  .page-contact .track-card:focus-within,
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}