.page-contact {
  --ct-gap: clamp(14px, 2.4vw, 24px);
  --ct-pad: clamp(20px, 3.4vw, 34px);
  background: var(--ink-900);
  color: var(--white);
  padding-bottom: clamp(36px, 7vw, 84px);
}

.page-contact .ct-crumb-shell {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏：记分牌式联络重心 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 58px) 0 clamp(36px, 6vw, 72px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -12%;
  width: 62%;
  height: 78%;
  background: radial-gradient(circle, rgba(53, 224, 200, 0.15), rgba(53, 224, 200, 0) 68%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-hero-bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.45) contrast(1.05);
  opacity: 0.35;
}

.page-contact .ct-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 16, 48, 0.62) 0%, rgba(11, 16, 48, 0.9) 62%, var(--ink-900) 100%);
}

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

.page-contact .ct-hero h1 {
  font-family: var(--font-cn);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.16;
  margin: 16px 0 0;
  max-width: 20em;
}

.page-contact .ct-hero-lead {
  margin: 18px 0 0;
  max-width: 60ch;
  color: var(--slate);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
}

.page-contact .ct-board {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-board-main {
  position: relative;
  padding: var(--ct-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
}

.page-contact .ct-board-main::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--cyan-deep) 52%, rgba(15, 168, 143, 0) 100%);
}

.page-contact .ct-board-kicker {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-contact .ct-board-mail {
  position: relative;
  display: inline-block;
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
  word-break: break-all;
}

.page-contact .ct-board-mail::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}

.page-contact .ct-board-main:hover .ct-board-mail::after {
  transform: scaleX(1);
}

.page-contact .ct-board-mail--sm {
  font-size: clamp(14px, 2.1vw, 18px);
}

.page-contact .ct-board-tel {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2.4vw, 22px);
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-contact .ct-board-rule {
  margin: 16px 0 0;
  max-width: 46ch;
  color: var(--slate);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-contact .ct-board-side {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .ct-board-item {
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.04);
}

/* ---------- 联络路径 ---------- */
.page-contact .ct-paths .section-head {
  max-width: 62ch;
}

.page-contact .ct-paths-map {
  position: relative;
  margin: clamp(22px, 3.6vw, 36px) 0 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  background: var(--ink-800);
}

.page-contact .ct-paths-map img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.6) brightness(0.82);
}

.page-contact .ct-paths-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 16, 48, 0.55) 0%, rgba(11, 16, 48, 0.05) 45%, rgba(255, 138, 61, 0.1) 100%);
  pointer-events: none;
}

.page-contact .ct-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-contact .ct-tablist .tab {
  appearance: none;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--slate);
  font-family: var(--font-cn);
  font-size: 14px;
  letter-spacing: 0.06em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-tablist .tab:hover {
  color: var(--white);
  border-color: var(--cyan-deep);
}

.page-contact .ct-tablist .tab.is-active {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-contact .ct-panel {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-panel-intro {
  position: relative;
  padding: var(--ct-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--glass);
  overflow: hidden;
}

.page-contact .ct-panel-intro::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 61, 0.16), rgba(255, 138, 61, 0) 70%);
  pointer-events: none;
}

.page-contact .ct-panel-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--sky, var(--slate));
  color: var(--slate);
}

.page-contact .ct-panel-title {
  margin: 12px 0 0;
  font-family: var(--font-cn);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-panel-text {
  margin: 14px 0 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.9;
}

.page-contact .ct-inline-mail {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .ct-panel-side {
  padding: var(--ct-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.03);
}

.page-contact .ct-panel-side-title {
  margin: 0 0 16px;
  font-family: var(--font-cn);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ct-check;
  display: grid;
  gap: 12px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 34px;
  color: var(--white);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-contact .ct-checklist li::before {
  counter-increment: ct-check;
  content: counter(ct-check, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 24px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  color: var(--cyan);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-sla .section-head {
  max-width: 60ch;
}

.page-contact .ct-steps {
  list-style: none;
  margin: clamp(22px, 3.6vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-step {
  position: relative;
  padding: var(--ct-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: var(--glass);
  overflow: hidden;
}

.page-contact .ct-step:nth-child(2) {
  border-color: rgba(53, 224, 200, 0.34);
}

.page-contact .ct-step:nth-child(3) {
  border-color: rgba(255, 138, 61, 0.34);
}

.page-contact .ct-step-num {
  position: absolute;
  right: 12px;
  top: 4px;
  font-family: var(--font-mono);
  font-size: clamp(48px, 7vw, 74px);
  font-weight: 700;
  line-height: 1;
  color: rgba(53, 224, 200, 0.12);
  pointer-events: none;
  user-select: none;
}

.page-contact .ct-step:nth-child(3) .ct-step-num {
  color: rgba(255, 138, 61, 0.14);
}

.page-contact .ct-step-title {
  position: relative;
  margin: 0;
  font-family: var(--font-cn);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-step-text {
  position: relative;
  margin: 12px 0 0;
  color: var(--slate);
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- 运营主体：暖纸色窄条 ---------- */
.page-contact .ct-entity {
  margin-top: clamp(38px, 6.5vw, 76px);
}

.page-contact .ct-entity-title {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  font-family: var(--font-cn);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-contact .ct-entity-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 28px);
  padding: var(--ct-pad);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow-paper);
}

.page-contact .ct-entity-item {
  padding-top: 12px;
  border-top: 2px solid var(--cyan-deep);
}

.page-contact .ct-entity-item:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .ct-entity-label {
  margin: 0;
  font-family: var(--font-cn);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(26, 26, 34, 0.58);
  text-transform: uppercase;
}

.page-contact .ct-entity-value {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-entity-note {
  margin: clamp(14px, 2.2vw, 20px) 0 0;
  max-width: 68ch;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 轮次返程 ---------- */
.page-contact .ct-return {
  margin-top: clamp(34px, 5.5vw, 62px);
  padding-top: clamp(22px, 3.6vw, 34px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-return-title {
  margin: 0 0 clamp(14px, 2.2vw, 20px);
  font-family: var(--font-cn);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-contact .ct-round-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .ct-round-link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.03);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .ct-round-link:hover,
.page-contact .ct-round-link:focus-visible {
  border-color: var(--cyan);
  background: rgba(53, 224, 200, 0.09);
  transform: translateX(3px);
}

.page-contact .ct-round-num {
  flex: none;
  min-width: 3.6em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .ct-round-link:last-child .ct-round-num {
  color: var(--amber);
}

.page-contact .ct-round-text {
  font-size: 14.5px;
  line-height: 1.6;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-board-mail::after,
  .page-contact .ct-tablist .tab,
  .page-contact .ct-round-link {
    transition: none;
  }
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .ct-board {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .ct-board-side {
    align-content: stretch;
  }

  .page-contact .ct-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-panel[hidden] {
    display: none;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-board {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }

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

  .page-contact .ct-round-link {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .page-contact .ct-round-link:hover,
  .page-contact .ct-round-link:focus-visible {
    transform: translateY(-3px);
  }
}

.page-contact {
  --sky: currentColor;
}