.page-contact {
  --ct-line: rgba(43, 26, 85, 0.85);
  --ct-panel: linear-gradient(165deg, rgba(26, 16, 56, 0.9), rgba(8, 6, 15, 0.95));
  --ct-glow-coral: rgba(255, 107, 90, 0.35);
  --ct-glow-gold: rgba(255, 194, 75, 0.28);
  --ct-glow-violet: rgba(164, 75, 255, 0.32);
  position: relative;
  overflow-x: clip;
}

.page-contact #channels,
.page-contact #vendor {
  scroll-margin-top: 104px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(84px, 12vw, 132px) clamp(28px, 4vw, 48px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .ct-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 0.45em 0 0.5em;
}

.page-contact .ct-hero .lede {
  max-width: 46ch;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-hero__media {
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-contact .ct-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: 1.02fr 0.98fr;
  }
}

/* ---------- 三条通道 ---------- */
.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-channel {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 26px 22px 24px;
  border-radius: var(--radius-card);
  border: 1px solid var(--ink-600);
  background: var(--ct-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  background: linear-gradient(90deg, var(--neon-violet), transparent 78%);
}

.page-contact .ct-channel--coral::before {
  background: linear-gradient(90deg, var(--coral), transparent 78%);
}

.page-contact .ct-channel--gold::before {
  background: linear-gradient(90deg, var(--warm-gold), transparent 78%);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translateY(-2px);
}

.page-contact .ct-channel--violet:hover,
.page-contact .ct-channel--violet:focus-within {
  border-color: var(--neon-violet);
  box-shadow: 0 16px 34px -24px var(--ct-glow-violet), inset 0 0 32px -20px var(--ct-glow-violet);
}

.page-contact .ct-channel--coral:hover,
.page-contact .ct-channel--coral:focus-within {
  border-color: var(--coral);
  box-shadow: 0 16px 34px -24px var(--ct-glow-coral), inset 0 0 32px -20px var(--ct-glow-coral);
}

.page-contact .ct-channel--gold:hover,
.page-contact .ct-channel--gold:focus-within {
  border-color: var(--warm-gold);
  box-shadow: 0 16px 34px -24px var(--ct-glow-gold), inset 0 0 32px -20px var(--ct-glow-gold);
}

.page-contact .ct-channel .tag {
  justify-self: start;
}

.page-contact .ct-channel__title {
  font-size: clamp(1.15rem, 2.4vw, 1.35rem);
  line-height: 1.3;
  margin: 2px 0 0;
}

.page-contact .ct-channel__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

.page-contact .ct-channel__use {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .ct-channel__use li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.page-contact .ct-channel__use li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--electric-blue);
  opacity: 0.75;
}

.page-contact .ct-channel--coral .ct-channel__use li::before {
  background: var(--coral);
}

.page-contact .ct-channel--gold .ct-channel__use li::before {
  background: var(--warm-gold);
}

.page-contact .ct-channel__tips {
  display: grid;
  gap: 6px;
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  border-top: 1px dashed var(--ink-600);
  padding-top: 0;
  transition: max-height 240ms var(--ease), opacity 180ms var(--ease),
    margin-top 200ms var(--ease), padding-top 200ms var(--ease);
}

.page-contact .ct-channel:hover .ct-channel__tips,
.page-contact .ct-channel:focus-within .ct-channel__tips {
  max-height: 320px;
  opacity: 1;
  margin-top: 4px;
  padding-top: 12px;
}

.page-contact .ct-channel__tips-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--warm-gold);
}

.page-contact .ct-channel__tips ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-contact .ct-channel__tips li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
}

.page-contact .ct-channel__tips li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--electric-blue);
}

.page-contact .ct-channel__link {
  justify-self: start;
  margin-top: 4px;
}

@media (max-width: 899px) {
  .page-contact .ct-channel__tips {
    max-height: none;
    opacity: 1;
    margin-top: 4px;
    padding-top: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-channel:nth-child(1) {
    padding-block: 34px 26px;
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-top: 26px;
    padding-block: 28px 24px;
  }

  .page-contact .ct-channel:nth-child(3) {
    margin-top: 52px;
    padding-block: 24px 22px;
  }
}

/* ---------- 厂商专区 ---------- */
.page-contact .ct-vendor__card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(24px, 3.4vw, 42px);
  border-radius: calc(var(--radius-card) + 4px);
  border: 1px solid rgba(255, 107, 90, 0.45);
  background:
    radial-gradient(120% 130% at 0% 0%, rgba(255, 107, 90, 0.15), transparent 58%),
    radial-gradient(90% 110% at 100% 100%, rgba(164, 75, 255, 0.14), transparent 60%),
    linear-gradient(160deg, rgba(26, 16, 56, 0.92), rgba(8, 6, 15, 0.96));
  box-shadow: inset 0 0 54px -22px var(--ct-glow-coral);
}

.page-contact .ct-vendor__title {
  font-size: clamp(1.25rem, 2.6vw, 1.55rem);
  margin: 0 0 clamp(16px, 2.4vw, 22px);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .ct-step__no {
  font-size: 0.9rem;
  color: var(--warm-gold);
  border: 1px solid rgba(255, 194, 75, 0.4);
  border-radius: 8px;
  padding: 5px 8px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.page-contact .ct-steps strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

.page-contact .ct-steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .ct-vendor__fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: clamp(22px, 3vw, 30px) 0 clamp(20px, 3vw, 28px);
  padding: 16px 18px;
  border-radius: var(--radius-soft);
  border: 1px dashed rgba(255, 107, 90, 0.4);
  background: rgba(255, 107, 90, 0.06);
}

.page-contact .ct-vendor__num {
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  color: var(--coral);
  line-height: 1;
}

.page-contact .ct-vendor__txt {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-primary);
  flex: 1 1 200px;
}

.page-contact .ct-vendor__media {
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-contact .ct-vendor__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (min-width: 900px) {
  .page-contact .ct-vendor__card {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }
}

/* ---------- 受理节奏 ---------- */
.page-contact .ct-sla {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-sla .timeline__time {
  color: var(--warm-gold);
  min-width: 0;
}

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

/* ---------- 官方联系方式 ---------- */
.page-contact .ct-info__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-info__list {
  display: grid;
  gap: 6px;
}

.page-contact .ct-info__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
  border-radius: var(--radius-soft);
  border: 1px solid var(--ink-600);
  background: var(--ct-panel);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ct-info__row:hover,
.page-contact .ct-info__row:focus-within {
  border-color: var(--electric-blue);
}

.page-contact .ct-info__label {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  flex: 0 0 auto;
}

.page-contact .ct-info__value {
  flex: 1 1 220px;
  font-size: 0.98rem;
  color: var(--text-primary);
  word-break: break-word;
}

.page-contact .ct-info__hint {
  margin: 0 0 12px;
  padding-left: 18px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-muted);
  border-left: 2px solid rgba(51, 217, 255, 0.4);
}

.page-contact .copy-btn {
  flex: 0 0 auto;
}

.page-contact .ct-map {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  min-height: 240px;
  padding: 22px;
  border-radius: var(--radius-card);
  border: 1px solid var(--ink-600);
  background-color: rgba(16, 10, 34, 0.72);
  background-image:
    linear-gradient(var(--ct-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--ct-line) 1px, transparent 1px);
  background-size: 38px 38px, 38px 38px;
  overflow: hidden;
}

.page-contact .ct-map::after {
  content: "";
  position: absolute;
  inset: auto -20% -45% -20%;
  height: 70%;
  background: radial-gradient(ellipse at center, var(--ct-glow-violet), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-map__pin {
  position: absolute;
  top: 34%;
  left: 46%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 6px rgba(255, 107, 90, 0.18), 0 0 22px 4px var(--ct-glow-coral);
}

.page-contact .ct-map__pin::after {
  content: "";
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid rgba(255, 107, 90, 0.4);
}

.page-contact .ct-map__label {
  position: relative;
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--warm-gold);
}

.page-contact .ct-map__note {
  position: relative;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 34ch;
}

@media (min-width: 900px) {
  .page-contact .ct-info__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

/* ---------- 常见来意 ---------- */
.page-contact .ct-cases__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .ct-case {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px;
  border-radius: var(--radius-card);
  border: 1px solid var(--ink-600);
  background: linear-gradient(150deg, rgba(26, 16, 56, 0.8), rgba(8, 6, 15, 0.9));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .ct-case:hover {
  transform: translateY(-2px);
}

.page-contact .ct-case--violet:hover {
  border-color: var(--neon-violet);
}

.page-contact .ct-case--coral:hover {
  border-color: var(--coral);
}

.page-contact .ct-case--gold:hover {
  border-color: var(--warm-gold);
}

.page-contact .ct-case--blue:hover {
  border-color: var(--electric-blue);
}

.page-contact .ct-case .tag {
  justify-self: start;
}

.page-contact .ct-case__title {
  font-size: 1.08rem;
  margin: 0;
}

.page-contact .ct-case__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-contact .ct-case__point {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--electric-blue);
  letter-spacing: 0.04em;
}

.page-contact .ct-case--coral .ct-case__point {
  color: var(--coral);
}

.page-contact .ct-case--gold .ct-case__point {
  color: var(--warm-gold);
}

.page-contact .ct-case--violet .ct-case__point {
  color: var(--neon-violet);
}

@media (min-width: 700px) {
  .page-contact .ct-cases__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-cases__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */
.page-contact .ct-outro {
  display: grid;
  gap: 16px;
  margin-top: clamp(32px, 5vw, 52px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-card);
  border: 1px solid var(--ink-600);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(164, 75, 255, 0.14), transparent 62%),
    linear-gradient(160deg, rgba(26, 16, 56, 0.85), rgba(8, 6, 15, 0.92));
}

.page-contact .ct-outro__text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
}

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

@media (min-width: 860px) {
  .page-contact .ct-outro {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

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

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