.page-contact {
  --ct-line: 3px;
  --ct-soft: rgba(247, 242, 232, 0.28);
  --ct-soft-text: rgba(247, 242, 232, 0.86);
}

.page-contact .ct-wrap {
  padding-bottom: clamp(36px, 6vw, 88px);
}

.page-contact .bs-crumb {
  margin: clamp(14px, 3vw, 26px) 0 clamp(18px, 3vw, 30px);
}

.page-contact .ct-h2 {
  margin: 0;
  font-size: clamp(23px, 4vw, 38px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

.page-contact .ct-prose {
  margin: 0;
  max-width: 38em;
  line-height: 1.85;
  color: var(--ink-900);
}

.page-contact .ct-prose a,
.page-contact .ct-rows a,
.page-contact .ct-scope a {
  color: var(--jade-700);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

/* ---------- 首屏画板 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(14px, 2.4vw, 26px);
  padding: clamp(20px, 4vw, 46px);
  background: var(--terra-900);
  border: var(--ct-line) solid var(--ink-900);
  box-shadow: var(--hard-lg);
  color: var(--sand-050);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: auto -15% -45% 40%;
  height: 85%;
  background:
    radial-gradient(circle at 28% 30%, rgba(46, 156, 119, 0.5), transparent 62%),
    radial-gradient(circle at 72% 62%, rgba(47, 127, 191, 0.42), transparent 60%),
    radial-gradient(circle at 50% 90%, rgba(201, 154, 52, 0.22), transparent 58%);
  pointer-events: none;
}

.page-contact .ct-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero .bs-no,
.page-contact .ct-hero .bs-kicker {
  color: var(--gold-500);
}

.page-contact .ct-hero__title {
  margin: 0;
  font-size: clamp(34px, 8.5vw, 92px);
  font-weight: 200;
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--sand-050);
}

.page-contact .ct-hero__title strong {
  display: block;
  font-weight: 900;
  color: var(--gold-500);
}

.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--ct-soft-text);
}

.page-contact .ct-lines {
  display: grid;
  border-top: 2px solid var(--ct-soft);
}

.page-contact .ct-line {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 2px solid var(--ct-soft);
}

.page-contact .ct-line__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-contact .ct-line__val {
  font-size: clamp(19px, 4.6vw, 38px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  word-break: break-all;
  user-select: all;
  color: var(--sand-050);
}

.page-contact .ct-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 242, 232, 0.72);
}

.page-contact .ct-hero__act {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero .bs-btn--ghost {
  color: var(--sand-050);
  border-color: var(--sand-050);
}

/* ---------- 分流示意图 ---------- */
.page-contact .ct-figure {
  margin: 0;
  border: var(--ct-line) solid var(--ink-900);
  box-shadow: var(--hard-md);
  background: var(--sand-050);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1040 / 720;
  object-fit: cover;
}

.page-contact .ct-figure figcaption {
  padding: 12px 16px;
  border-top: var(--ct-line) solid var(--ink-900);
  background: var(--mist-200);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-900);
}

/* ---------- 渠道展签 ---------- */
.page-contact .ct-section {
  display: grid;
  gap: clamp(14px, 2.2vw, 22px);
}

.page-contact .bs-panel.ct-section {
  padding: clamp(18px, 3.4vw, 40px);
}

.page-contact .ct-channels {
  display: grid;
  gap: clamp(18px, 3.4vw, 34px);
}

.page-contact .ct-channel {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 3vw, 32px);
  background: var(--sand-050);
  border: var(--ct-line) solid var(--ink-900);
  box-shadow: var(--hard-md);
  outline: 3px solid transparent;
  outline-offset: 6px;
  transition: outline-color 160ms linear, box-shadow 160ms linear;
}

.page-contact .ct-channel:nth-child(1) {
  border-left-color: var(--terra-600);
}

.page-contact .ct-channel:nth-child(2) {
  border-left-color: var(--jade-700);
}

.page-contact .ct-channel:nth-child(3) {
  border-left-color: var(--sky-500);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  outline-color: var(--terra-600);
  box-shadow: var(--hard-lg);
}

.page-contact .ct-channel__name {
  margin: 0;
  font-size: clamp(20px, 2.8vw, 27px);
  font-weight: 600;
  color: var(--ink-900);
}

.page-contact .ct-channel__big {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 4.6vw, 40px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 0.01em;
  word-break: break-all;
  user-select: all;
}

.page-contact .ct-channel__big--terra {
  color: var(--terra-600);
}

.page-contact .ct-channel__big--jade {
  color: var(--jade-700);
}

.page-contact .ct-channel__big--sky {
  color: var(--sky-500);
}

/* ---------- 三行说明与事项表 ---------- */
.page-contact .ct-rows {
  margin: 0;
  display: grid;
  border-top: 2px solid var(--mist-200);
}

.page-contact .ct-row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 2px solid var(--mist-200);
}

.page-contact .ct-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--jade-700);
}

.page-contact .ct-row dd {
  margin: 0;
  max-width: 42em;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-contact .ct-rows--tight .ct-row {
  padding: 10px 0;
}

/* ---------- 标签切换 ---------- */
.page-contact .bs-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .bs-tabs__tab {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  padding: 8px 14px;
  color: var(--ink-900);
  background: var(--sand-050);
  border: 2px solid var(--ink-900);
  cursor: pointer;
  transition: background-color 140ms linear, color 140ms linear;
}

.page-contact .bs-tabs__tab:hover {
  background: var(--mist-200);
}

.page-contact .bs-tabs__tab[aria-selected="true"] {
  background: var(--jade-700);
  color: var(--sand-050);
}

.page-contact .bs-tabs__tab:focus-visible {
  outline: 3px solid var(--terra-600);
  outline-offset: 3px;
}

.page-contact .bs-tabs__panel {
  margin-top: clamp(14px, 2.4vw, 24px);
  padding-top: clamp(12px, 2vw, 20px);
  border-top: var(--ct-line) solid var(--ink-900);
}

.page-contact .bs-tabs__panel[hidden] {
  display: none;
}

.page-contact .bs-tabs__panel:focus-visible {
  outline: 3px solid var(--terra-600);
  outline-offset: 4px;
}

/* ---------- 服务时段刻度 ---------- */
.page-contact .ct-tick {
  display: grid;
  gap: 16px;
}

.page-contact .ct-tick__bar {
  height: 32px;
  border: var(--ct-line) solid var(--ink-900);
  box-shadow: var(--hard-sm);
  background: linear-gradient(
    90deg,
    var(--mist-200) 0 37.5%,
    var(--jade-400) 37.5% 75%,
    var(--mist-200) 75% 100%
  );
}

.page-contact .ct-tick__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-tick__item {
  padding-top: 10px;
  border-top: 2px solid var(--mist-200);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .ct-tick__item--on {
  border-top-color: var(--jade-400);
  color: var(--jade-700);
  font-weight: 600;
}

/* ---------- 用途边界清单 ---------- */
.page-contact .ct-scope {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-scope li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--mist-200);
  line-height: 1.8;
  color: var(--ink-900);
}

.page-contact .ct-scope li::before {
  content: "—";
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--terra-600);
}

/* ---------- 站点信息与备案 ---------- */
.page-contact .ct-facts {
  margin: 0;
  display: grid;
  border-top: 2px solid var(--mist-200);
}

.page-contact .ct-facts > div {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 2px solid var(--mist-200);
}

.page-contact .ct-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--jade-700);
}

.page-contact .ct-facts dd {
  margin: 0;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-contact .ct-region {
  border: var(--ct-line) solid var(--ink-900);
  box-shadow: var(--hard-md);
  background: var(--terra-900);
  overflow: hidden;
}

.page-contact .ct-region img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-region__base {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 16px;
  border-top: var(--ct-line) solid var(--ink-900);
  background: var(--sand-050);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-900);
}

/* ---------- 窄屏与宽屏适配 ---------- */
@media (max-width: 480px) {
  .page-contact .ct-hero__act .bs-btn {
    width: 100%;
    text-align: center;
  }

  .page-contact .ct-line__val {
    font-size: 20px;
  }
}

@media (min-width: 640px) {
  .page-contact .ct-line {
    grid-template-columns: 128px 1fr;
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .ct-facts > div {
    grid-template-columns: 116px 1fr;
    gap: 18px;
  }
}

@media (min-width: 720px) {
  .page-contact .ct-row {
    grid-template-columns: 92px 1fr;
    gap: 20px;
  }

  .page-contact .ct-tick__legend {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-channels {
    padding-right: 48px;
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-left: 24px;
  }

  .page-contact .ct-channel:nth-child(3) {
    margin-left: 48px;
  }

  .page-contact .ct-section {
    gap: clamp(18px, 2.4vw, 28px);
  }
}

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