.page-contact {
  --contact-gold-line: rgba(201, 162, 61, 0.32);
  --contact-neon-soft: rgba(155, 77, 255, 0.2);
  --contact-cyan-soft: rgba(0, 229, 255, 0.12);
  --contact-card-bg: #131b36;
  --contact-card-deep: #100e2b;
  position: relative;
  overflow-x: clip;
  color: var(--smoke);
  background:
    radial-gradient(1100px 520px at 90% 8%, rgba(155, 77, 255, 0.14), transparent 65%),
    radial-gradient(800px 400px at 6% 92%, rgba(0, 229, 255, 0.08), transparent 60%),
    var(--midnight);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ============ 首屏 Hero ============ */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(92vh, 900px);
  padding: 170px 0 96px;
  overflow: hidden;
  isolation: isolate;
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -3;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.38;
  filter: saturate(0.86);
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(11, 16, 38, 0.94) 0%, rgba(11, 16, 38, 0.78) 42%, rgba(11, 16, 38, 0.52) 100%),
    linear-gradient(180deg, rgba(11, 16, 38, 0.5) 0%, transparent 36%, rgba(11, 16, 38, 0.95) 100%);
}

.page-contact .contact-hero__glow {
  position: absolute;
  top: 12%;
  right: -8%;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155, 77, 255, 0.44), transparent 68%);
  filter: blur(18px);
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  width: 100%;
  max-width: 920px;
  position: relative;
  z-index: 2;
}

.page-contact .contact-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-hero__kicker::before {
  content: "";
  width: 46px;
  height: 1px;
  background: currentColor;
  opacity: 0.7;
}

.page-contact .contact-hero h1 {
  margin: 0 0 26px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2.5rem, 7.4vw, 5.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--smoke);
}

.page-contact .contact-hero h1 span {
  display: block;
  background-image: linear-gradient(100deg, var(--gold) 0%, var(--neon) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  padding-bottom: 0.08em;
}

.page-contact .contact-hero__lead {
  max-width: 640px;
  margin: 0 0 38px;
  font-size: clamp(0.96rem, 1.4vw, 1.12rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 26px;
}

.page-contact .contact-hero__actions .btn-primary {
  padding: 16px 36px;
  font-size: 0.98rem;
  letter-spacing: 0.05em;
}

.page-contact .contact-hero__hint {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .contact-hero__hint::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .contact-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 30px;
  font-size: 0.84rem;
  color: var(--mist);
}

.page-contact .contact-breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--transition);
}

.page-contact .contact-breadcrumb a:hover {
  color: var(--cyan);
}

.page-contact .contact-breadcrumb__sep {
  color: rgba(169, 159, 173, 0.5);
}

.page-contact .contact-breadcrumb [aria-current="page"] {
  color: var(--smoke);
}

.page-contact .contact-hero__edge {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  z-index: 5;
  background: rgba(201, 162, 61, 0.16);
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact .contact-hero__edge::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 36%;
    background: linear-gradient(90deg, transparent, var(--neon), var(--cyan), transparent);
    opacity: 1;
    transform: translateX(-130%);
    animation: contact-line-scan 4.8s var(--ease) infinite 1.4s;
  }
}

@keyframes contact-line-scan {
  0% {
    transform: translateX(-130%);
  }
  50% {
    transform: translateX(420%);
  }
  100% {
    transform: translateX(420%);
  }
}

/* ============ 联系渠道 ============ */
.page-contact .contact-channel {
  position: relative;
  padding: 110px 0 84px;
}

.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(169, 159, 173, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169, 159, 173, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-contact .contact-channel .container {
  position: relative;
  z-index: 1;
}

.page-contact .contact-channel__heading {
  margin-bottom: 42px;
}

.page-contact .contact-channel__heading h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--smoke);
}

.page-contact .contact-channel__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 34px 32px 38px;
  border: 1px solid rgba(169, 159, 173, 0.14);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(30, 18, 64, 0.6), rgba(11, 16, 38, 0.92));
  box-shadow: var(--shadow-card);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.page-contact .contact-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .contact-card__index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .contact-card__type {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  border: 1px solid rgba(169, 159, 173, 0.16);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-contact .contact-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 900;
  color: var(--smoke);
}

.page-contact .contact-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .contact-card--email {
  grid-column: 1 / -1;
  border-color: rgba(155, 77, 255, 0.28);
  background:
    radial-gradient(420px 220px at 88% 12%, rgba(155, 77, 255, 0.24), transparent 60%),
    linear-gradient(135deg, rgba(30, 18, 64, 0.88), rgba(11, 16, 38, 0.94));
  overflow: hidden;
}

.page-contact .contact-card--email:hover,
.page-contact .contact-card--email:focus-within {
  border-color: rgba(155, 77, 255, 0.6);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.page-contact .contact-card--email:hover::before,
.page-contact .contact-card--email:focus-within::before {
  opacity: 1;
}

.page-contact .contact-card--email::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 72px;
  height: 72px;
  background: linear-gradient(225deg, var(--neon) 0 48%, rgba(0, 229, 255, 0.85) 48% 52%, transparent 52%);
  opacity: 0.7;
  border-radius: 0 var(--radius) 0 0;
  pointer-events: none;
}

.page-contact .contact-card__mail {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.55rem);
  letter-spacing: 0.02em;
  color: var(--smoke);
  text-decoration: none;
  padding: 10px 0;
  margin-top: auto;
  border-bottom: 1px dashed rgba(0, 229, 255, 0.4);
  transition: color var(--transition), border-color var(--transition), text-shadow var(--transition);
}

.page-contact .contact-card__mail:hover,
.page-contact .contact-card__mail:focus {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-shadow: 0 0 24px rgba(0, 229, 255, 0.45);
}

.page-contact .contact-card__note {
  margin-top: auto;
  padding: 14px 18px;
  border-left: 2px solid var(--neon);
  background: rgba(155, 77, 255, 0.08);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-card--phone {
  grid-column: 1 / -1;
  border-color: rgba(201, 162, 61, 0.18);
  background:
    radial-gradient(300px 160px at 90% 10%, rgba(201, 162, 61, 0.14), transparent 60%),
    linear-gradient(135deg, rgba(30, 18, 64, 0.72), rgba(11, 16, 38, 0.92));
}

.page-contact .contact-card--phone:hover,
.page-contact .contact-card--phone:focus-within {
  border-color: rgba(201, 162, 61, 0.55);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card), 0 0 32px rgba(201, 162, 61, 0.14);
}

.page-contact .contact-card__tel {
  display: inline-block;
  align-self: flex-start;
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  letter-spacing: 0.06em;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 61, 0.28);
  transition: color var(--transition), border-color var(--transition), text-shadow var(--transition);
}

.page-contact .contact-card__tel:hover,
.page-contact .contact-card__tel:focus {
  color: #e6c457;
  border-color: #e6c457;
  text-shadow: 0 0 18px rgba(201, 162, 61, 0.35);
}

.page-contact .contact-card--address {
  grid-column: 1 / -1;
  border-color: rgba(169, 159, 173, 0.14);
  background:
    radial-gradient(320px 180px at 14% 100%, rgba(0, 229, 255, 0.08), transparent 60%),
    linear-gradient(135deg, rgba(19, 27, 54, 0.8), rgba(11, 16, 38, 0.94));
}

.page-contact .contact-card--address .contact-card__addr-wrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
}

.page-contact .contact-card__addr {
  padding-left: 18px;
  border-left: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--smoke);
}

/* ============ 响应时效 ============ */
.page-contact .contact-response {
  position: relative;
  padding: 104px 0 110px;
  background:
    radial-gradient(900px 400px at 8% 22%, rgba(0, 229, 255, 0.08), transparent 62%),
    var(--abyss);
  margin-top: 40px;
}

.page-contact .contact-response__inner {
  display: grid;
  gap: 44px;
  align-items: center;
}

.page-contact .contact-response__content h2 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--smoke);
}

.page-contact .contact-response__lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-response__timeline {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-response__timeline li {
  position: relative;
  padding: 0 0 32px 34px;
}

.page-contact .contact-response__timeline li:last-child {
  padding-bottom: 0;
}

.page-contact .contact-response__timeline li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 20px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), transparent 80%);
}

.page-contact .contact-response__timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border: 2px solid var(--gold);
  background: var(--midnight);
  transform: rotate(45deg);
}

.page-contact .contact-response__phase {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .contact-response__timeline p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-contact .contact-response__figure::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-response__figure img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-response__figure figcaption {
  position: relative;
  z-index: 1;
  margin-top: 14px;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-align: right;
}

.page-contact .contact-response__band {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(155, 77, 255, 0.42), rgba(0, 229, 255, 0.5), transparent);
  opacity: 0.7;
}

/* ============ 合作与转载 ============ */
.page-contact .contact-cooperation {
  position: relative;
  padding: 104px 0 88px;
}

.page-contact .contact-cooperation__head {
  max-width: 720px;
  margin-bottom: 50px;
}

.page-contact .contact-cooperation__head h2 {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  line-height: 1.24;
  color: var(--smoke);
}

.page-contact .contact-cooperation__head > p:last-child {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-cooperation__grid {
  display: grid;
  gap: 20px;
}

.page-contact .contact-cooperation__card {
  position: relative;
  padding: 36px 30px 32px;
  border: 1px solid rgba(169, 159, 173, 0.12);
  border-top: 2px solid var(--gold);
  background: rgba(30, 18, 64, 0.32);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
}

.page-contact .contact-cooperation__card:hover,
.page-contact .contact-cooperation__card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(201, 162, 61, 0.4);
  border-top-color: var(--gold);
  background: rgba(30, 18, 64, 0.56);
}

.page-contact .contact-cooperation__num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--neon);
}

.page-contact .contact-cooperation__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 900;
  color: var(--smoke);
}

.page-contact .contact-cooperation__card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ============ 隐私提醒 ============ */
.page-contact .contact-privacy {
  padding: 40px 0 116px;
}

.page-contact .contact-privacy__card {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 40px 34px 44px;
  background:
    linear-gradient(135deg, rgba(140, 28, 44, 0.16), rgba(11, 16, 38, 0.88)),
    rgba(11, 16, 38, 0.92);
  border: 1px solid rgba(140, 28, 44, 0.34);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .contact-privacy__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 8px;
  height: 100%;
  background: linear-gradient(180deg, var(--alert), rgba(140, 28, 44, 0.3));
}

.page-contact .contact-privacy__content h2 {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--smoke);
}

.page-contact .contact-privacy__content > p {
  margin: 0;
  max-width: 600px;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-privacy__meta {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .contact-privacy__meta span {
  position: relative;
  padding-left: 16px;
}

.page-contact .contact-privacy__meta span::before {
  content: "·";
  position: absolute;
  left: 0;
  top: -2px;
  font-size: 1.2rem;
  color: var(--gold);
}

.page-contact .contact-privacy__links {
  display: grid;
  gap: 10px;
  align-content: center;
}

.page-contact .contact-privacy__links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid rgba(169, 159, 173, 0.18);
  border-radius: var(--radius);
  color: var(--smoke);
  text-decoration: none;
  font-size: 0.9rem;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.page-contact .contact-privacy__links a::before {
  content: "→";
  color: var(--neon);
  font-family: var(--font-mono);
  transition: transform 0.3s var(--ease);
}

.page-contact .contact-privacy__links a:hover,
.page-contact .contact-privacy__links a:focus {
  border-color: var(--neon);
  background: rgba(155, 77, 255, 0.1);
}

.page-contact .contact-privacy__links a:hover::before,
.page-contact .contact-privacy__links a:focus::before {
  transform: translateX(3px);
}

/* ============ 响应式布局 ============ */
@media (max-width: 767px) {
  .page-contact .contact-hero {
    min-height: 88vh;
    padding: 148px 0 72px;
  }

  .page-contact .contact-hero h1 {
    font-size: clamp(2.1rem, 11vw, 3.4rem);
  }

  .page-contact .contact-hero h1 span {
    background-image: linear-gradient(100deg, var(--gold), var(--neon));
    -webkit-background-clip: text;
    background-clip: text;
  }

  .page-contact .contact-card {
    padding: 28px 24px 32px;
  }

  .page-contact .contact-card__type {
    display: none;
  }

  .page-contact .contact-privacy__card {
    padding-left: 34px;
  }
}

@media (min-width: 768px) {
  .page-contact .contact-channel__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-card--email {
    grid-column: span 4;
    min-height: 340px;
  }

  .page-contact .contact-card--phone {
    grid-column: span 2;
    min-height: 340px;
  }

  .page-contact .contact-card--address {
    grid-column: 1 / -1;
  }

  .page-contact .contact-card--address .contact-card__addr-wrap {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .contact-card--address h3 {
    margin: 0;
    white-space: nowrap;
  }

  .page-contact .contact-card--address p {
    max-width: 520px;
  }

  .page-contact .contact-card__addr {
    white-space: nowrap;
  }

  .page-contact .contact-response__inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-contact .contact-cooperation__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-privacy__card {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 36px;
    align-items: center;
    padding: 44px 46px 44px 58px;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 180px 0 110px;
  }

  .page-contact .contact-channel {
    padding: 130px 0 96px;
  }

  .page-contact .contact-channel__grid {
    gap: 28px;
  }

  .page-contact .contact-card--email {
    min-height: 360px;
  }

  .page-contact .contact-card--phone {
    min-height: 360px;
  }

  .page-contact .contact-response {
    padding: 124px 0 132px;
  }

  .page-contact .contact-cooperation {
    padding: 124px 0 108px;
  }

  .page-contact .contact-cooperation__card {
    padding: 40px 34px 36px;
  }

  .page-contact .contact-privacy {
    padding: 48px 0 140px;
  }
}