.page-contact {
  --contact-deep: #07152E;
  --contact-mid: #102A5F;
  --contact-grid-line: rgba(255, 215, 0, .05);
  --contact-gold-soft: rgba(255, 215, 0, .14);
  --contact-neon-soft: rgba(57, 255, 20, .12);
  --contact-paper-dim: rgba(245, 240, 230, .62);
  --contact-muted: rgba(245, 240, 230, .45);
  position: relative;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 55% at 88% 8%, rgba(30, 58, 138, .55), transparent 65%),
    radial-gradient(ellipse 45% 35% at 8% 70%, rgba(57, 255, 20, .05), transparent 60%),
    linear-gradient(155deg, #07152E 0%, #0A1F44 46%, #081A38 100%);
  color: var(--c-paper);
  font-family: var(--font-body);
  line-height: 1.7;
  padding: clamp(20px, 4vw, 56px) clamp(16px, 4vw, 56px) 0;
  overflow: clip;
}

.page-contact > *:not(.contact-bg) {
  max-width: 1320px;
  margin-inline: auto;
}

.contact-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.contact-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--contact-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--contact-grid-line) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .55), transparent 78%);
  animation: contactGridFloat 24s linear infinite;
}

@keyframes contactGridFloat {
  0% { background-position: 0 0; }
  100% { background-position: 0 52px; }
}

.contact-bg__slash {
  position: absolute;
  top: -12%;
  right: -18%;
  width: 70%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(57, 255, 20, .5), transparent);
  transform: rotate(-18deg);
  box-shadow: 0 0 24px rgba(57, 255, 20, .35);
}

.contact-breadcrumb {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--contact-muted);
  margin-bottom: clamp(32px, 6vw, 64px);
}

.contact-breadcrumb .breadcrumb-link {
  color: rgba(245, 240, 230, .72);
  text-decoration: none;
  transition: color .25s;
}

.contact-breadcrumb .breadcrumb-link:hover {
  color: var(--c-gold);
}

.contact-breadcrumb .breadcrumb-current {
  color: var(--c-gold);
}

.contact-hero {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 64px);
  margin-bottom: clamp(64px, 10vw, 128px);
}

.contact-hero__copy {
  max-width: 720px;
}

.contact-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--c-neon);
  margin: 0 0 20px;
}

.contact-hero__kicker::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--c-neon);
  transform: skewX(-24deg);
}

.contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 96px);
  line-height: .98;
  letter-spacing: .01em;
  text-transform: uppercase;
  color: var(--c-paper);
  margin: 0 0 24px;
  max-width: 680px;
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.contact-h1__accent {
  color: var(--c-gold);
  text-shadow: 0 4px 28px rgba(255, 215, 0, .28);
}

.contact-hero__lead {
  font-size: clamp(16px, 1.6vw, 20px);
  color: rgba(245, 240, 230, .82);
  max-width: 560px;
  margin: 0 0 32px;
  border-left: 3px solid var(--c-neon);
  padding-left: 16px;
}

.contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.contact-hero__hint {
  font-size: 13px;
  color: var(--contact-muted);
  letter-spacing: .04em;
  margin: 0;
}

.contact-hero__visual {
  position: relative;
  align-self: center;
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, .45));
}

.contact-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform .6s var(--ease-snap);
}

.contact-hero__visual:hover .contact-hero__img {
  transform: scale(1.03);
}

.contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 215, 0, .18), transparent 36%, rgba(57, 255, 20, .12));
  pointer-events: none;
}

.contact-hero__stamp {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.2;
  text-align: center;
  letter-spacing: .2em;
  color: var(--c-paper);
  background: rgba(10, 31, 68, .8);
  border: 1px solid rgba(255, 215, 0, .6);
  padding: 10px 12px;
  transform: rotate(4deg);
  backdrop-filter: blur(4px);
}

.contact-hero__corner {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-top: 2px solid var(--c-gold);
  border-left: 2px solid var(--c-gold);
  opacity: .7;
}

.contact-hero__pin {
  position: absolute;
  z-index: 2;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--c-neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, .25), 0 0 18px rgba(57, 255, 20, .5);
}

.contact-hero__pin::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--c-neon);
  animation: contactPing 2s ease-out infinite;
}

@keyframes contactPing {
  0% { transform: scale(1); opacity: .8; }
  100% { transform: scale(2.4); opacity: 0; }
}

.contact-hero__pin i {
  position: absolute;
  bottom: calc(100% + 8px);
  left: -16px;
  min-width: 144px;
  font-style: normal;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--c-paper);
  background: rgba(10, 31, 68, .85);
  border: 1px solid rgba(255, 215, 0, .5);
  padding: 4px 8px;
  transform: translateY(0) skewX(-6deg);
  opacity: 0;
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}

.contact-hero__pin--zifeng { top: 24%; left: 28%; }

.contact-hero__pin--nanjingeye { bottom: 26%; right: 22%; }

.contact-hero__pin--nanjingeye i { left: auto; right: -16px; }

@media (hover: hover) {
  .contact-hero__pin:hover i {
    opacity: 1;
    transform: translateY(-4px) skewX(-6deg);
  }
}

.contact-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-bottom: clamp(56px, 8vw, 96px);
}

.contact-rail {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-left: 3px solid var(--c-gold);
  background: linear-gradient(90deg, rgba(30, 58, 138, .55), transparent);
}

.contact-rail__index {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  color: var(--c-gold);
}

.contact-rail__text {
  font-size: 13px;
  letter-spacing: .35em;
  color: rgba(245, 240, 230, .75);
  text-transform: uppercase;
}

.contact-rail__line,
.contact-rail__glow {
  display: none;
}

.contact-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  min-width: 0;
}

.contact-card {
  position: relative;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  background: linear-gradient(135deg, rgba(255, 215, 0, .85), rgba(255, 215, 0, .15) 28%, rgba(57, 255, 20, .5) 100%);
  padding: 2px;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, .4));
  transition: transform .35s var(--ease-snap), filter .35s var(--ease-snap);
}

.contact-card:hover {
  transform: translateY(-4px);
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, .55)) drop-shadow(0 0 20px rgba(255, 215, 0, .12));
}

.contact-card__inner {
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  background: linear-gradient(145deg, var(--contact-mid) 0%, var(--c-navy) 40%, var(--contact-deep) 100%);
  padding: clamp(22px, 3vw, 36px);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.contact-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.contact-card__tag {
  background: var(--contact-gold-soft);
  color: var(--c-gold);
  border-color: rgba(255, 215, 0, .4);
}

.contact-card__head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 32px);
  letter-spacing: .02em;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--c-paper);
  margin: 0;
}

.contact-card__desc {
  font-size: 14px;
  color: var(--contact-paper-dim);
  margin: 0;
}

.contact-channel {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  border-bottom: 2px solid var(--c-gold);
  padding-bottom: 8px;
  margin: 6px 0 8px;
  max-width: 100%;
  align-self: flex-start;
  transition: border-color .25s, transform .25s;
}

.contact-channel:hover {
  border-color: var(--c-neon);
  transform: translateX(4px);
}

.contact-channel__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.contact-channel__label::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--c-neon);
  margin-right: 8px;
  vertical-align: middle;
}

.contact-channel__value {
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 700;
  color: var(--c-paper);
  letter-spacing: .02em;
  word-break: break-all;
}

.contact-card__meta {
  font-size: 13px;
  color: rgba(245, 240, 230, .58);
  border-left: 2px solid rgba(255, 215, 0, .5);
  padding-left: 12px;
  margin: 0;
}

.contact-schedule {
  margin: 16px 0 0;
  padding: 12px;
  background: rgba(7, 21, 46, .6);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.contact-schedule img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.contact-schedule figcaption {
  font-size: 12px;
  color: rgba(245, 240, 230, .5);
  margin-top: 6px;
  text-align: right;
}

.contact-address {
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-paper);
  margin: 6px 0 8px;
}

.contact-address__label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 6px;
}

.contact-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.contact-topics__item {
  margin: 0;
  padding: 0;
  background: rgba(7, 21, 46, .5);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background .25s, transform .25s;
}

.contact-topics__item:hover {
  background: rgba(30, 58, 138, .6);
  transform: translateX(6px);
}

.contact-topics__item a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
}

.contact-topics__num {
  flex: none;
  width: 34px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  color: var(--c-gold);
  border-right: 1px solid rgba(255, 215, 0, .3);
  padding: 2px 10px 0 0;
}

.contact-topics__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-topics__body strong {
  font-size: 15px;
  color: var(--c-paper);
  letter-spacing: .04em;
}

.contact-topics__body span {
  font-size: 13px;
  color: var(--contact-paper-dim);
  line-height: 1.55;
}

.contact-topics__item a:hover .contact-topics__body strong {
  color: var(--c-gold);
}

.contact-trust {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(48px, 8vw, 96px);
  padding: clamp(24px, 5vw, 48px);
  background: linear-gradient(135deg, rgba(255, 215, 0, .08), rgba(57, 255, 20, .04));
  border: 1px solid rgba(255, 215, 0, .2);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.contact-trust__inner h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--c-paper);
  margin: 0 0 12px;
}

.contact-trust p {
  font-size: 14px;
  color: rgba(245, 240, 230, .7);
  max-width: 760px;
  margin: 0 0 24px;
}

.contact-trust__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 48px);
}

.contact-trust__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  color: rgba(245, 240, 230, .6);
}

.contact-trust__stats .stat-value {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1;
  color: var(--c-gold);
}

@media (min-width: 760px) {
  .contact-topics {
    grid-template-columns: 1fr 1fr;
  }

  .contact-topics__item:last-child {
    grid-column: 1 / -1;
  }

  .contact-schedule {
    margin-top: auto;
  }

  .contact-card__inner {
    gap: 14px;
  }
}

@media (min-width: 1020px) {
  .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: clamp(40px, 6vw, 80px);
  }

  .contact-layout {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .contact-rail {
    position: sticky;
    top: 24px;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
    width: 120px;
    padding: 28px 0;
    border-left: none;
    border-top: 1px solid rgba(255, 215, 0, .2);
    background: none;
  }

  .contact-rail__index {
    font-size: 56px;
    writing-mode: vertical-rl;
  }

  .contact-rail__text {
    writing-mode: vertical-rl;
    font-size: 12px;
  }

  .contact-rail__line {
    display: block;
    width: 1px;
    height: 90px;
    background: linear-gradient(to bottom, var(--c-neon), transparent);
  }

  .contact-rail__glow {
    display: block;
    width: 12px;
    height: 12px;
    background: var(--c-neon);
    transform: rotate(45deg);
    box-shadow: 0 0 16px rgba(57, 255, 20, .7);
  }

  .contact-main {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .9fr);
    gap: 28px;
  }

  .contact-card--email {
    grid-column: 1;
    grid-row: span 2;
  }

  .contact-card--phone {
    grid-column: 2;
  }

  .contact-card--address {
    grid-column: 2;
  }

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

  .contact-channel__value {
    font-size: clamp(22px, 2.4vw, 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-bg__grid,
  .contact-hero__pin::after {
    animation: none;
  }

  .contact-card,
  .contact-hero__visual .contact-hero__img,
  .contact-topics__item,
  .contact-channel,
  .contact-hero__pin i {
    transition: none;
  }
}