.page-contact {
  --cc-hover: #163A2A;
  --cc-gap-line: 1px;
  background: var(--c-base);
  color: var(--c-text);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding-top: var(--s-4);
}
.page-contact .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}
.page-contact .crumbs__link {
  color: var(--c-mist);
  text-decoration: none;
}
.page-contact .crumbs__link:hover {
  color: var(--c-neon);
}
.page-contact .crumbs__sep {
  color: var(--c-line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: var(--s-5);
}
.page-contact .contact-hero__kicker {
  margin: 0 0 var(--s-3);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-whistle);
}
.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 900px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8.5vw, 84px);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--c-cream);
}
.page-contact .contact-hero__lede {
  margin: var(--s-3) 0 0;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
}
.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: var(--s-4) 0 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-hero__facts li {
  padding: 10px 18px;
  border: var(--bd);
  border-radius: var(--r-pill);
  font-size: 13px;
  line-height: 1.4;
  color: var(--c-mist);
}
.page-contact .contact-hero__facts strong {
  margin-right: 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--c-neon);
}
.page-contact .contact-hero__media {
  margin: var(--s-5) auto 0;
  max-width: var(--w-max);
  padding: 0 var(--s-3);
}
.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: var(--bd);
  border-radius: var(--r-card);
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding: var(--s-6) 0 0;
}
.page-contact .section__head {
  max-width: 720px;
  margin-bottom: var(--s-5);
}
.page-contact .section__index {
  margin: 0 0 var(--s-2);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-whistle);
}
.page-contact .section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}
.page-contact .section__note {
  margin: var(--s-3) 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-mist);
}

/* ---------- 三条渠道 ---------- */
.page-contact .channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap-line);
  background: var(--c-line);
  border: var(--bd);
  border-radius: var(--r-card);
  overflow: hidden;
}
.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--s-5) var(--s-3) var(--s-4);
  background: var(--c-panel);
  transition: background-color 240ms var(--ease);
}
.page-contact .channel:hover,
.page-contact .channel:focus-within {
  background: var(--cc-hover);
}
.page-contact .channel:hover::after,
.page-contact .channel:focus-within::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px var(--c-neon);
}
.page-contact .channel__no {
  margin: 0 0 var(--s-3);
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--c-line);
  transition: color 240ms var(--ease);
}
.page-contact .channel:hover .channel__no,
.page-contact .channel:focus-within .channel__no {
  color: var(--c-neon);
}
.page-contact .channel__title {
  margin: 0 0 var(--s-2);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--c-cream);
}
.page-contact .channel__value {
  margin: 0 0 var(--s-3);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  font-variant-numeric: tabular-nums;
  color: var(--c-neon);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.page-contact .channel__text {
  margin: 0 0 var(--s-4);
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-mist);
}
.page-contact .channel__action.btn {
  align-self: flex-start;
  margin-top: auto;
  text-decoration: none;
}

/* ---------- 纠错清单 ---------- */
.page-contact .fix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
}
.page-contact .fix__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap-line);
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: var(--bd);
  border-radius: var(--r-card);
  overflow: hidden;
}
.page-contact .fix__step {
  padding: var(--s-4) var(--s-3);
  background: var(--c-panel);
}
.page-contact .fix__tick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-bottom: var(--s-3);
  border: 1px solid var(--c-neon);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-neon);
  background: var(--c-base);
}
.page-contact .fix__step-title {
  margin: 0 0 var(--s-2);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-cream);
}
.page-contact .fix__step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mist);
}
.page-contact .fix__media {
  margin: 0;
  border: var(--bd);
  border-radius: var(--r-card);
  overflow: hidden;
}
.page-contact .fix__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 合作 ---------- */
.page-contact .coop__grid {
  max-width: 780px;
}
.page-contact .coop__grid .section__title {
  margin-bottom: var(--s-3);
}
.page-contact .coop__text {
  margin: 0 0 var(--s-3);
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-text);
}
.page-contact .coop__text:last-child {
  margin-bottom: 0;
}
.page-contact .coop__text a {
  color: var(--c-neon);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-contact .coop__text a:hover {
  color: var(--c-cream);
}

/* ---------- 响应时效 ---------- */
.page-contact .sla__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--cc-gap-line);
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: var(--bd);
  border-radius: var(--r-card);
  overflow: hidden;
}
.page-contact .sla__item {
  padding: var(--s-4) var(--s-3);
  background: var(--c-panel);
}
.page-contact .sla__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--c-neon);
}
.page-contact .sla__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-whistle);
}
.page-contact .sla__text {
  margin: var(--s-2) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 备案条 ---------- */
.page-contact .legal-strip {
  padding-bottom: var(--s-6);
}
.page-contact .legal-strip__inner {
  padding-top: var(--s-4);
  border-top: var(--bd);
}
.page-contact .legal-strip__title {
  margin: 0 0 var(--s-2);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-cream);
}
.page-contact .legal-strip__text {
  margin: 0;
  max-width: 760px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--c-mist);
}
.page-contact .legal-strip__meta {
  margin: var(--s-3) 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--c-mist);
}
.page-contact .legal-strip__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
  margin: var(--s-2) 0 0;
}
.page-contact .legal-strip__links a {
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 249, 74, 0.35);
}
.page-contact .legal-strip__links a:hover {
  border-bottom-color: var(--c-neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__media {
    padding: 0 var(--s-4);
  }
  .page-contact .channel {
    padding: var(--s-5) var(--s-4) var(--s-4);
  }
  .page-contact .fix__steps {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .fix__step {
    padding: var(--s-4);
  }
  .page-contact .sla__item {
    padding: var(--s-4);
  }
}

@media (min-width: 900px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .sla__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: var(--s-6);
  }
  .page-contact .fix__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--s-4);
  }
  .page-contact .fix__media {
    position: sticky;
    top: 120px;
  }
}

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