.page-contact {
  --ct-gap: clamp(20px, 3.2vw, 44px);
  --ct-soft: rgba(47, 243, 210, 0.26);
  display: block;
  padding-bottom: clamp(48px, 8vw, 110px);
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3,
.page-contact p,
.page-contact dl,
.page-contact dd,
.page-contact dt,
.page-contact figure,
.page-contact ul {
  margin: 0;
}

.page-contact .ct-crumb {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ── 首屏分屏 ───────────────────────────── */
.page-contact .ct-hero {
  padding: clamp(26px, 4.5vw, 56px) 0 clamp(38px, 6vw, 78px);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-hero h1 {
  margin-top: 14px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-contact .ct-hero__lead {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 58ch;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.78;
  color: var(--paper);
}

.page-contact .ct-jump {
  list-style: none;
  padding: 0;
  margin-top: clamp(22px, 3vw, 34px);
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-jump li {
  border-right: 1px solid var(--line);
}

.page-contact .ct-jump li:last-child {
  border-right: 0;
}

.page-contact .ct-jump a {
  display: block;
  padding: 11px 15px;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  color: var(--cyan);
  background-color: rgba(47, 243, 210, 0.07);
}

.page-contact .ct-hero__visual {
  position: relative;
  border: 1px solid var(--line);
}

.page-contact .ct-hero__visual::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 2px;
  background-color: var(--cyan);
  z-index: 2;
}

.page-contact .ct-hero__visual img,
.page-contact .ct-channels__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

/* ── 通用段落 ───────────────────────────── */
.page-contact .ct-sec {
  padding: clamp(40px, 6vw, 84px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-sec--last {
  border-bottom: 0;
}

.page-contact .ct-sec__note {
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ── 渠道列表 ───────────────────────────── */
.page-contact .ct-channels {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(22px, 3vw, 38px);
}

.page-contact .ct-channels__list {
  min-width: 0;
}

.page-contact .ct-channel {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-channels__list .ct-channel:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-channel__no {
  color: var(--muted);
}

.page-contact .ct-channel__body {
  min-width: 0;
}

.page-contact .ct-channel__body h3 {
  font-family: var(--f-display);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .ct-channel__value {
  margin-top: 8px;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.34rem);
  letter-spacing: -0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--amber {
  color: var(--amber);
}

.page-contact .ct-channel__use {
  margin-top: 10px;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-channels__visual {
  position: relative;
  border: 1px solid var(--line);
}

.page-contact .ct-channels__visual .media__cap {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ── 问题分流 ───────────────────────────── */
.page-contact .ct-lanes {
  margin-top: clamp(22px, 3vw, 38px);
  display: grid;
}

.page-contact .ct-lane {
  display: grid;
  gap: 12px;
  padding: clamp(22px, 3.2vw, 36px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-lanes .ct-lane:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-lane__no {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-contact .ct-lane__body {
  min-width: 0;
}

.page-contact .ct-lane__body h3 {
  font-family: var(--f-display);
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-lane__body .prose {
  margin-top: 12px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .ct-lane__link {
  margin-top: 14px;
}

.page-contact .ct-lane__link a {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  padding-bottom: 3px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

/* ── 服务时间 ───────────────────────────── */
.page-contact .ct-hours {
  display: grid;
  gap: clamp(22px, 3.4vw, 48px);
}

.page-contact .ct-hours__figure {
  padding: clamp(20px, 3vw, 30px);
  background-color: var(--panel-deep);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
}

.page-contact .ct-hours__big {
  margin-top: 14px;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(2.2rem, 8vw, 4.2rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-contact .ct-hours__dash {
  color: var(--amber);
  padding: 0 0.12em;
}

.page-contact .ct-hours__cap {
  margin-top: 12px;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .ct-hours__body {
  min-width: 0;
}

.page-contact .ct-hours__body h2 {
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-contact .ct-hours__body .prose {
  margin-top: 16px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--paper);
}

/* ── 备案信息 ───────────────────────────── */
.page-contact .ct-facts {
  margin-top: clamp(22px, 3vw, 38px);
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}

.page-contact .ct-fact {
  padding: 15px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-fact dt {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-contact .ct-fact dd {
  margin-top: 6px;
  font-family: var(--f-mono);
  font-size: clamp(0.92rem, 1.6vw, 1.08rem);
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-filing__note {
  margin-top: clamp(22px, 3vw, 34px);
  max-width: 68ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-filing__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-soft);
}

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

/* ── 断点 ───────────────────────────────── */
@media (min-width: 680px) {
  .page-contact .ct-channel {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .ct-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 44px);
  }

  .page-contact .ct-fact:nth-child(2) {
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-lane {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: clamp(22px, 3vw, 46px);
    align-items: start;
  }

  .page-contact .ct-lane__body .prose {
    max-width: 62ch;
  }

  .page-contact .ct-hours {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: clamp(28px, 4vw, 64px);
  }

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

@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: clamp(30px, 5vw, 76px);
  }

  .page-contact .ct-hero__visual {
    align-self: stretch;
  }

  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .ct-channels__visual {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-jump a,
  .page-contact .ct-lane__link a {
    transition: none;
  }
}