.page-contact {
  --ct-panel: rgba(11, 18, 38, 0.72);
  --ct-hair: rgba(38, 53, 82, 0.72);
  --ct-glow: rgba(0, 245, 212, 0.16);
  --ct-glow-warm: rgba(255, 90, 54, 0.18);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 40px) clamp(38px, 7vw, 86px);
  background: var(--bg-ink);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(116deg, rgba(74, 16, 36, 0.92) 0%, rgba(74, 16, 36, 0) 48%),
    linear-gradient(296deg, rgba(11, 59, 60, 0.9) 0%, rgba(11, 59, 60, 0) 54%),
    radial-gradient(circle at 84% 8%, var(--ct-glow), transparent 56%),
    var(--bg-ink);
}

.page-contact .ct-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--ct-hair) 1px, transparent 1px);
  background-size: 100% 96px;
  opacity: 0.28;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 78%);
}

.page-contact .ct-hero__crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
  letter-spacing: -0.02em;
  line-height: 1.06;
}

.page-contact .ct-hero__lead {
  margin-top: 18px;
  max-width: 56ch;
  color: var(--text-muted);
}

.page-contact .ct-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-hero__fact dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-contact .ct-hero__fact dd {
  margin: 6px 0 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-cyan);
}

.page-contact .ct-hero__figure {
  margin: 0;
  position: relative;
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ct-hair);
  object-fit: cover;
  box-shadow: 0 28px 60px -34px rgba(0, 245, 212, 0.42);
}

.page-contact .ct-hero__cap {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .ct-channels {
  background: var(--bg-ink-2);
  border-block: 1px solid var(--ct-hair);
}

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

.page-contact .ct-channels__intro {
  margin-top: 14px;
  color: var(--text-muted);
}

.page-contact .ct-channels__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(5, 10, 24, 0.92), rgba(11, 18, 38, 0.72));
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease),
    box-shadow 0.32s var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--accent-cyan), rgba(0, 245, 212, 0));
}

.page-contact .ct-channel--orange::before {
  background: linear-gradient(90deg, var(--accent-orange), rgba(255, 90, 54, 0));
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 245, 212, 0.46);
  box-shadow: 0 26px 50px -34px rgba(0, 245, 212, 0.55);
}

.page-contact .ct-channel__idx {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
}

.page-contact .ct-channel__title {
  margin: 0;
}

.page-contact .ct-channel__value {
  margin: 0;
  font-size: clamp(15px, 2.4vw, 17px);
  font-weight: 700;
  color: var(--accent-cyan);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--orange .ct-channel__value {
  color: var(--accent-orange);
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-main);
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--text-muted);
}

.page-contact .ct-channel__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ct-hair);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text-main);
  opacity: 0.78;
}

.page-contact .ct-channels__note {
  margin-top: clamp(22px, 3vw, 32px);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  border-left: 3px solid var(--accent-gold);
  padding-left: 14px;
}

.page-contact .ct-channels__note .bs-mono {
  color: var(--text-main);
}

/* ---------- 反馈入口 ---------- */
.page-contact .ct-feedback {
  background: var(--bg-ink);
}

.page-contact .ct-feedback__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .ct-feedback__figure {
  margin: 0;
  padding: 14px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(74, 16, 36, 0.9);
  background: linear-gradient(150deg, var(--jewel-wine), rgba(5, 10, 24, 0.9));
}

.page-contact .ct-feedback__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-contact .bs-media__cap {
  display: block;
  margin-top: 12px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.page-contact .ct-feedback__lead {
  margin-top: 16px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-contact .ct-feedback__types {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-feedback__hint {
  margin-top: 20px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(74, 16, 36, 0.42);
  border: 1px solid rgba(255, 90, 54, 0.28);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-main);
}

.page-contact .ct-feedback__actions {
  margin-top: 24px;
}

/* ---------- 订阅 ---------- */
.page-contact .ct-subscribe__head {
  max-width: 64ch;
}

.page-contact .ct-subscribe__lead {
  margin-top: 14px;
  color: var(--text-muted);
}

.page-contact .ct-subscribe__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .ct-subscribe__tiers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .ct-tier {
  padding: 22px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 245, 212, 0.18);
  background: rgba(5, 10, 24, 0.55);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .ct-tier:hover {
  border-color: rgba(0, 245, 212, 0.52);
  background: rgba(5, 10, 24, 0.78);
}

.page-contact .ct-tier--hot {
  border-color: rgba(255, 90, 54, 0.46);
  background: rgba(74, 16, 36, 0.5);
}

.page-contact .ct-tier__badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.page-contact .ct-tier--hot .ct-tier__badge {
  color: var(--accent-orange);
}

.page-contact .ct-tier .bs-h3 {
  margin: 14px 0 8px;
}

.page-contact .ct-tier p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-muted);
}

.page-contact .ct-subscribe__panel {
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ct-hair);
  background: var(--ct-panel);
}

.page-contact .ct-subscribe__panel .bs-h3 {
  margin: 0 0 18px;
}

.page-contact .ct-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
}

.page-contact .ct-step__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-cyan);
  color: #04121a;
  font-size: 13px;
  font-weight: 700;
}

.page-contact .ct-step__text {
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-muted);
}

.page-contact .ct-subscribe__mail {
  margin: 22px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(0, 245, 212, 0.42);
  display: grid;
  gap: 6px;
}

.page-contact .ct-subscribe__mail-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-contact .ct-subscribe__mail-value {
  font-size: clamp(14px, 2.6vw, 16px);
  font-weight: 700;
  color: var(--accent-cyan);
  overflow-wrap: anywhere;
}

.page-contact .ct-subscribe__foot {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 商务合作 ---------- */
.page-contact .ct-partner {
  background:
    radial-gradient(circle at 12% 10%, rgba(255, 90, 54, 0.14), transparent 52%),
    var(--bg-ink-2);
  border-block: 1px solid var(--ct-hair);
}

.page-contact .ct-partner__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .ct-partner__lead {
  margin-top: 14px;
  color: var(--text-muted);
  max-width: 58ch;
}

.page-contact .ct-partner__lines {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .ct-line {
  padding-left: 18px;
  border-left: 3px solid var(--accent-orange);
}

.page-contact .ct-line:nth-child(2) {
  border-left-color: var(--accent-cyan);
}

.page-contact .ct-line:nth-child(3) {
  border-left-color: var(--accent-gold);
}

.page-contact .ct-line .bs-h3 {
  margin: 0 0 8px;
}

.page-contact .ct-line p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .ct-partner__card {
  align-self: start;
  padding: 28px 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 90, 54, 0.34);
  background: linear-gradient(165deg, rgba(74, 16, 36, 0.85), rgba(5, 10, 24, 0.9));
  box-shadow: 0 30px 60px -44px rgba(255, 90, 54, 0.6);
}

.page-contact .ct-partner__card .bs-h3 {
  margin: 10px 0 14px;
}

.page-contact .ct-partner__value {
  margin: 0;
  font-size: clamp(14px, 2.4vw, 16px);
  font-weight: 700;
  color: var(--accent-orange);
  overflow-wrap: anywhere;
}

.page-contact .ct-partner__phone {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--text-main);
}

.page-contact .ct-partner__phone .bs-mono {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-cyan);
}

.page-contact .ct-partner__tip {
  margin: 18px 0 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 响应说明 ---------- */
.page-contact .ct-response__head {
  max-width: 62ch;
}

.page-contact .ct-response__lead {
  margin-top: 14px;
  color: var(--text-muted);
}

.page-contact .ct-response__lead .bs-mono {
  color: var(--accent-cyan);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.page-contact .ct-response__timeline {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .ct-response__timeline .bs-timeline__body p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-muted);
}

.page-contact .ct-response__foot {
  margin-top: clamp(26px, 4vw, 38px);
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--ct-hair);
  background: rgba(5, 10, 24, 0.5);
  display: grid;
  gap: 16px;
}

.page-contact .ct-response__foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-channels__list {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-contact .ct-feedback__inner {
    grid-template-columns: 0.92fr 1.08fr;
  }

  .page-contact .ct-subscribe__body {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-contact .ct-partner__inner {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .page-contact .ct-response__foot {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-channels__list {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

  .page-contact .ct-channel:hover,
  .page-contact .ct-channel:focus-within {
    transform: none;
  }
}