.page-contact {
  --contact-glow: rgba(124, 255, 178, 0.35);
  --contact-soft: rgba(124, 255, 178, 0.08);
  padding-bottom: 64px;
}

.page-contact .breadcrumb {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 30px 0 0;
  max-width: 46em;
}

.page-contact .contact-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-contact .contact-hero__lede {
  color: var(--muted);
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.8;
  max-width: 34em;
}

.page-contact .contact-hero__hint {
  margin-top: 18px;
  display: inline-block;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--mint);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__figure {
  margin: 28px 0 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-2);
  box-shadow: 0 30px 70px -50px rgba(124, 255, 178, 0.55);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels .section-head {
  margin-bottom: 22px;
}

.page-contact .channels {
  display: grid;
  gap: 18px;
}

.page-contact .channel {
  position: relative;
  padding: 24px 20px 20px;
  border-radius: var(--r-xl);
  border: 1px solid var(--line);
  background: linear-gradient(158deg, var(--panel) 0%, var(--panel-2) 100%);
  overflow: hidden;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  border-radius: var(--r-pill);
  background: var(--line);
}

.page-contact .channel--mail::before {
  background: linear-gradient(180deg, var(--cyan), rgba(56, 232, 255, 0.1));
}

.page-contact .channel--phone::before {
  background: linear-gradient(180deg, var(--amber), rgba(255, 180, 67, 0.1));
}

.page-contact .channel--mailbox::before {
  background: linear-gradient(180deg, var(--blue), rgba(31, 162, 255, 0.1));
}

.page-contact .channel--mail {
  box-shadow: 0 24px 60px -52px var(--cyan);
}

.page-contact .channel--phone {
  box-shadow: 0 24px 60px -52px var(--amber);
}

.page-contact .channel--mailbox {
  box-shadow: 0 24px 60px -52px var(--blue);
}

.page-contact .channel__top {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.page-contact .channel__value {
  margin: 16px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.4vw, 23px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--fg);
  word-break: break-all;
}

.page-contact .channel__desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 34em;
}

.page-contact .channel__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .channel__tags li {
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(233, 239, 245, 0.03);
  color: var(--muted);
  font-size: 12.5px;
  white-space: nowrap;
}

.page-contact .channel__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 排障提示条 ---------- */
.page-contact .troubleshoot {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 20px;
  border-radius: var(--r-xl);
  border: 1px solid rgba(124, 255, 178, 0.32);
  background: linear-gradient(140deg, var(--contact-soft), rgba(15, 19, 24, 0.9));
}

.page-contact .troubleshoot__title {
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 5vw, 26px);
  line-height: 1.35;
  color: var(--fg);
}

.page-contact .troubleshoot__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 40em;
}

.page-contact .troubleshoot__cta {
  align-self: flex-start;
}

/* ---------- 时段时间轴 ---------- */
.page-contact .timeline {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .timeline__node {
  position: relative;
  padding-left: 26px;
  border-left: 2px solid var(--line);
  padding-bottom: 4px;
}

.page-contact .timeline__node::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 14px rgba(124, 255, 178, 0.65);
}

.page-contact .timeline__time {
  display: block;
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.04em;
}

.page-contact .timeline__label {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .hours-notes {
  margin-top: 26px;
  display: grid;
  gap: 10px;
}

.page-contact .hours-notes__item {
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

/* ---------- 写信前准备 ---------- */
.page-contact .prepare-grid {
  display: grid;
  gap: 26px;
}

.page-contact .prepare-intro {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 36em;
}

.page-contact .checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-contact .checklist__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .checklist__label:hover {
  border-color: var(--line);
}

.page-contact .checklist__box {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--mint);
}

.page-contact .checklist__num {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  color: var(--muted);
}

.page-contact .checklist__text {
  color: var(--fg);
  font-size: 14.5px;
  line-height: 1.65;
}

.page-contact .checklist__label:has(.checklist__box:checked) {
  border-color: rgba(124, 255, 178, 0.42);
  background: rgba(124, 255, 178, 0.06);
}

.page-contact .checklist__label:has(.checklist__box:checked) .checklist__text {
  color: var(--muted);
}

.page-contact .prepare-foot {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .prepare-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 255, 0.4);
}

.page-contact .prepare-grid__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-2);
}

.page-contact .prepare-grid__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .prepare-grid__caption {
  display: block;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 合作对接 ---------- */
.page-contact .coop {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .coop__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .coop__card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 61, 154, 0.4);
}

.page-contact .coop__index {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
  background: rgba(255, 61, 154, 0.12);
  color: var(--magenta);
  font-size: 13px;
}

.page-contact .coop__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--fg);
}

.page-contact .coop__desc {
  margin: 0;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .coop__need {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--fg);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .coop__foot {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 40em;
}

/* ---------- 备案与基础信息 ---------- */
.page-contact .facts-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--fg);
}

.page-contact .facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .facts__pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.page-contact .related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .related__link {
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--fg);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .related__link:hover,
.page-contact .related__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding-top: 42px;
  }

  .page-contact .channel {
    padding: 28px 28px 24px;
  }

  .page-contact .troubleshoot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 28px 30px;
  }

  .page-contact .troubleshoot__cta {
    align-self: center;
    flex: none;
  }

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

@media (min-width: 900px) {
  .page-contact .timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border-top: 2px solid var(--line);
    padding-top: 0;
  }

  .page-contact .timeline__node {
    border-left: 0;
    padding: 26px 22px 0 0;
  }

  .page-contact .timeline__node::before {
    left: 0;
    top: -7px;
  }
}

@media (min-width: 1024px) {
  .page-contact .channels {
    gap: 20px;
  }

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

  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 40px;
  }

  .page-contact .prepare-grid__figure {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop__card,
  .page-contact .related__link,
  .page-contact .checklist__label {
    transition: none;
  }

  .page-contact .coop__card:hover {
    transform: none;
  }
}