.page-contact {
  --ct-gap: clamp(24px, 4vw, 46px);
  color: var(--body-ink);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(104px, 15vw, 168px) 0 clamp(44px, 6vw, 78px);
  background: var(--void);
}

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

.page-contact .ct-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.68) contrast(1.06) brightness(0.72);
}

.page-contact .ct-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 10, 24, 0.6) 0%, rgba(5, 10, 24, 0.88) 56%, var(--void) 100%),
    linear-gradient(100deg, rgba(5, 10, 24, 0.92) 0%, rgba(5, 10, 24, 0.18) 72%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: -12%;
  right: -12%;
  top: 62%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(22, 240, 220, 0.5), rgba(122, 92, 255, 0.35), transparent);
  transform: rotate(-8deg);
}

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

.page-contact .ct-hero-title {
  margin: 14px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(29px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--silver);
}

.page-contact .ct-hero-lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--dust);
}

.page-contact .ct-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-meta-item {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-contact .ct-meta-num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .ct-meta-label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--dust);
}

/* ---------- 主分栏 ---------- */
.page-contact .ct-deck {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  padding: clamp(30px, 5vw, 56px) 0 clamp(48px, 8vw, 96px);
}

.page-contact .ct-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .ct-panel {
  padding: clamp(20px, 3vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.page-contact .ct-panel--rhythm {
  background:
    linear-gradient(158deg, rgba(22, 240, 220, 0.12), rgba(122, 92, 255, 0.1) 62%, transparent),
    var(--hull);
  border-color: var(--line-strong);
}

.page-contact .ct-panel-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-contact .ct-panel-lead {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--dust);
}

.page-contact .ct-contacts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-contact {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--line);
}

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

.page-contact .ct-contact-label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-contact .ct-contact-value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-contact .ct-contact-use {
  font-size: 13px;
  line-height: 1.72;
  color: var(--body-ink);
  opacity: 0.82;
}

.page-contact .ct-rhythm {
  display: grid;
  gap: 14px;
}

.page-contact .ct-rhythm-row {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid rgba(22, 240, 220, 0.5);
}

.page-contact .ct-rhythm-key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .ct-rhythm-val {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 右栏 ---------- */
.page-contact .ct-flow {
  min-width: 0;
}

.page-contact .ct-topics {
  list-style: none;
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-topics > li {
  display: flex;
}

.page-contact .ct-topic {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--hull);
  text-decoration: none;
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-contact .ct-topic:hover,
.page-contact .ct-topic:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--hull-soft);
}

.page-contact .ct-topic .tag {
  align-self: flex-start;
}

.page-contact .ct-topic-text {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--dust);
}

.page-contact .ct-block {
  position: relative;
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 112px;
}

.page-contact .ct-block::before {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: width 420ms var(--ease);
}

.page-contact .ct-block:target::before {
  width: 108px;
}

.page-contact .ct-block:target .ct-block-title {
  color: var(--cyan);
}

.page-contact .ct-block-head {
  display: grid;
  gap: 9px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-contact .ct-block-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.012em;
  color: var(--silver);
  transition: color 240ms var(--ease);
}

.page-contact .ct-block-lead {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--dust);
}

.page-contact .ct-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .ct-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--hull);
  transition: transform 240ms var(--ease), border-color 240ms var(--ease);
}

.page-contact .ct-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
}

.page-contact .ct-card-title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--silver);
}

.page-contact .ct-card .ct-card-title:first-child {
  margin-top: 0;
}

.page-contact .ct-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--body-ink);
  opacity: 0.86;
}

.page-contact .ct-card p + p {
  margin-top: 12px;
}

.page-contact .ct-block-foot {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--dust);
}

.page-contact .ct-req {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
  counter-reset: ctreq;
}

.page-contact .ct-req li {
  counter-increment: ctreq;
  position: relative;
  padding-left: 34px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--body-ink);
  opacity: 0.88;
}

.page-contact .ct-req li::before {
  content: counter(ctreq, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.16em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 观赛报名 ---------- */
.page-contact .ct-watch-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-contact .ct-watch-copy p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--body-ink);
  opacity: 0.86;
}

.page-contact .ct-watch-copy p:last-child {
  margin-bottom: 0;
}

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

.page-contact .ct-cities li {
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(15, 58, 46, 0.55);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--silver);
}

.page-contact .ct-watch-grid .media-frame {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
}

/* ---------- 流程轨道 ---------- */
.page-contact .ct-track {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding-left: 54px;
  padding-bottom: 28px;
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(22, 240, 220, 0.7), rgba(122, 92, 255, 0.24));
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(22, 240, 220, 0.12);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-contact .ct-step:hover::after {
  transform: scale(1.08);
  box-shadow: 0 0 0 7px rgba(22, 240, 220, 0.16);
}

.page-contact .ct-step-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-step-title {
  margin: 5px 0 6px;
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--silver);
}

.page-contact .ct-step-text {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 收束 ---------- */
.page-contact .ct-signoff {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: clamp(30px, 4vw, 48px);
}

.page-contact .ct-signoff-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(22, 240, 220, 0));
}

.page-contact .ct-signoff p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dust);
  white-space: nowrap;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-grey,
  .page-contact .ct-grid {
    gap: 18px;
  }

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

@media (min-width: 860px) {
  .page-contact .ct-watch-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 30px;
  }
}

@media (min-width: 1020px) {
  .page-contact .ct-deck {
    grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-rail {
    position: sticky;
    top: 104px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-topic,
  .page-contact .ct-card,
  .page-contact .ct-step::after,
  .page-contact .ct-block::before,
  .page-contact .ct-block-title {
    transition: none;
  }

  .page-contact .ct-topic:hover,
  .page-contact .ct-card:hover,
  .page-contact .ct-step:hover::after {
    transform: none;
  }
}