.page-contact {
  --contact-glow-a: rgba(255, 92, 0, .14);
  --contact-glow-b: rgba(138, 43, 226, .16);
  --contact-slice: 18px;
  position: relative;
  background: var(--bg-void);
  overflow-x: clip;
}

/* ===== 首屏框景 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(52px, 8vw, 92px) 0 44px;
  overflow: hidden;
  background: var(--bg-deep);
  border-bottom: 1px solid var(--line-edge);
  isolation: isolate;
}
.page-contact .contact-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -4;
  background-image:
    linear-gradient(var(--line-edge) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-edge) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .32;
  -webkit-mask-image: radial-gradient(ellipse at 72% 18%, #000 18%, transparent 70%);
  mask-image: radial-gradient(ellipse at 72% 18%, #000 18%, transparent 70%);
}
.page-contact .contact-hero__map {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
  filter: saturate(.55) contrast(1.05);
}
.page-contact .contact-hero__shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(100deg, rgba(10, 10, 15, .94) 0%, rgba(10, 10, 15, .7) 46%, rgba(10, 10, 15, .3) 100%),
    radial-gradient(circle at 84% 40%, rgba(138, 43, 226, .22), transparent 55%);
}
.page-contact .contact-hero__phoenix {
  position: absolute;
  top: 34%;
  right: -70px;
  z-index: -1;
  width: min(52vw, 420px);
  height: auto;
  opacity: .6;
  transform: rotate(-3deg);
  pointer-events: none;
}
@media (min-width: 768px) {
  .page-contact .contact-hero__phoenix {
    right: -40px;
    opacity: .75;
  }
}
.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 20px;
}
.page-contact .contact-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(28px, 5vw, 48px);
  font-size: 13px;
  color: var(--text-muted);
}
.page-contact .contact-hero .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--ease);
}
.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--flame-orange);
}
.page-contact .contact-hero__inner .eyebrow {
  margin-bottom: 12px;
}
.page-contact .contact-hero__lead {
  max-width: 580px;
  margin: 24px 0 0;
  color: var(--text-secondary);
  font-size: clamp(15px, 2vw, 19px);
  line-height: 1.8;
}
.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.page-contact .contact-hero__ruler {
  display: flex;
  justify-content: space-between;
  max-width: var(--content-max);
  margin: clamp(36px, 6vw, 56px) auto 0;
  padding: 10px 20px 0;
  border-top: 1px solid var(--line-edge);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-muted);
}
.page-contact .contact-hero__ruler span:first-child {
  text-align: left;
}
.page-contact .contact-hero__ruler span:last-child {
  text-align: right;
}

/* ===== 官方联系渠道 ===== */
.page-contact .contact-channels {
  padding: 72px 0 44px;
}
.page-contact .contact-channels__head {
  display: grid;
  gap: 14px;
  margin-bottom: 40px;
}
@media (min-width: 768px) {
  .page-contact .contact-channels__head {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
  .page-contact .contact-channels__note {
    max-width: 42ch;
    text-align: right;
    justify-self: end;
  }
}
.page-contact .contact-channels__grid {
  display: grid;
  gap: 22px;
}
@media (min-width: 768px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
  }
  .page-contact .contact-card-wrap--mail {
    grid-column: span 7;
  }
  .page-contact .contact-card-wrap--phone {
    grid-column: span 5;
  }
  .page-contact .contact-card-wrap--address {
    grid-column: span 12;
  }
}
.page-contact .contact-card-wrap {
  position: relative;
  filter: drop-shadow(0 0 0 transparent);
  transition: filter var(--ease-smooth);
}
.page-contact .contact-card-wrap:hover,
.page-contact .contact-card-wrap:focus-within {
  z-index: 2;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, .3)) drop-shadow(0 0 22px var(--contact-glow-a));
}
.page-contact .contact-card {
  position: relative;
  height: 100%;
  padding: 30px 26px;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 92, 0, .08), transparent 44%),
    linear-gradient(145deg, rgba(23, 23, 35, .94), rgba(11, 11, 18, .96));
  border: 1px solid var(--line-edge);
  border-radius: var(--radius-md);
  clip-path: polygon(
    0 0,
    calc(100% - var(--contact-slice)) 0,
    100% var(--contact-slice),
    100% 100%,
    var(--contact-slice) 100%,
    0 calc(100% - var(--contact-slice))
  );
  transition: border-color var(--ease), background var(--ease);
}
@media (min-width: 768px) {
  .page-contact .contact-card {
    padding: 34px 32px;
  }
}
.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: rgba(255, 92, 0, .5);
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 92, 0, .16), transparent 48%),
    linear-gradient(145deg, rgba(26, 26, 40, .96), rgba(12, 12, 20, .98));
}
.page-contact .contact-card__index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--text-muted);
}
.page-contact .contact-card__index::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--copper-amber);
}
.page-contact .contact-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}
.page-contact .contact-card__value {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(21px, 3.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text-primary);
  word-break: break-all;
}
.page-contact .contact-card__value a {
  color: inherit;
  text-decoration: none;
  transition: color var(--ease);
}
.page-contact .contact-card__value a:hover {
  color: var(--flame-orange);
}
.page-contact .contact-card__value--address {
  font-size: clamp(18px, 2.4vw, 26px);
  word-break: break-word;
}
.page-contact .contact-card__note {
  max-width: 58ch;
  margin: 14px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}
.page-contact .contact-card__action {
  margin-top: 22px;
}
@media (hover: hover) {
  .page-contact .contact-card__action {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity var(--ease-smooth), transform var(--ease-smooth);
  }
  .page-contact .contact-card-wrap:hover .contact-card__action,
  .page-contact .contact-card-wrap:focus-within .contact-card__action {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-contact .contact-card--address {
  display: flex;
  align-items: center;
}
.page-contact .contact-card__body {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
@media (min-width: 768px) {
  .page-contact .contact-card__body {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .page-contact .contact-card--address {
    perspective: 900px;
  }
  .page-contact .contact-card__body {
    transform-style: preserve-3d;
    transition: transform var(--ease-smooth);
  }
  .page-contact .contact-card-wrap:hover .contact-card__body,
  .page-contact .contact-card-wrap:focus-within .contact-card__body {
    transform: rotateY(-4deg) rotateX(1.5deg) scale(1.01);
  }
}
.page-contact .contact-card__main {
  max-width: 72ch;
}
.page-contact .contact-card__mapfold {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  max-width: 220px;
  height: 110px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 92, 0, .08) 0 34%, transparent 34%),
    linear-gradient(145deg, rgba(138, 43, 226, .12), rgba(255, 92, 0, .04));
  border: 1px solid var(--line-edge);
  border-radius: var(--radius-sm);
}
.page-contact .contact-card__mapfold::before {
  content: "";
  position: absolute;
  inset: 10px;
  background:
    linear-gradient(var(--copper-amber) 1px, transparent 1px),
    linear-gradient(90deg, var(--copper-amber) 1px, transparent 1px);
  background-size: 14px 14px;
  opacity: .4;
}
.page-contact .contact-card__mapfold::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 12px;
  width: 24px;
  height: 14px;
  background: var(--line-edge);
  transform: skewX(-28deg);
}
.page-contact .contact-card__mapfold-pin {
  position: absolute;
  left: 36%;
  top: 24%;
  width: 14px;
  height: 14px;
  background: var(--flame-orange);
  transform: rotate(-45deg);
  box-shadow: 0 0 0 6px rgba(255, 92, 0, .14);
}
@media (min-width: 768px) {
  .page-contact .contact-card__mapfold {
    width: 220px;
    transition: transform var(--ease-smooth), box-shadow var(--ease-smooth);
  }
  .page-contact .contact-card-wrap:hover .contact-card__mapfold,
  .page-contact .contact-card-wrap:focus-within .contact-card__mapfold {
    transform: translateX(-6px) rotate(1.2deg);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .3);
  }
}

/* ===== 视频反馈流程 ===== */
.page-contact .contact-flow {
  position: relative;
  overflow: hidden;
  padding: 76px 0;
  background:
    radial-gradient(circle at 82% 12%, rgba(138, 43, 226, .14), transparent 46%),
    linear-gradient(150deg, rgba(18, 18, 27, .86), var(--bg-deep) 72%);
  border-top: 1px solid var(--line-edge);
  border-bottom: 1px solid var(--line-edge);
}
.page-contact .contact-flow::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -80px;
  width: 380px;
  height: 380px;
  background:
    radial-gradient(circle at 50% 68%, rgba(255, 92, 0, .2), transparent 42%),
    radial-gradient(circle at 36% 50%, rgba(138, 43, 226, .14), transparent 50%);
  filter: blur(30px);
  pointer-events: none;
}
.page-contact .contact-flow__layout {
  position: relative;
  display: grid;
  gap: 40px;
}
@media (min-width: 900px) {
  .page-contact .contact-flow__layout {
    grid-template-columns: 1.08fr .92fr;
    gap: 56px;
    align-items: center;
  }
}
.page-contact .contact-flow__content {
  position: relative;
  z-index: 1;
}
.page-contact .contact-flow__lead {
  margin: 16px 0 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}
.page-contact .contact-flow__steps {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}
.page-contact .contact-flow__steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-edge);
}
.page-contact .contact-flow__steps li:first-child {
  padding-top: 0;
}
.page-contact .contact-flow__steps li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}
.page-contact .contact-flow__step-num {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 30px;
  line-height: 1;
  color: var(--flame-orange);
}
@supports ((-webkit-text-stroke: 1px #333) or (-webkit-text-stroke-color: #333)) {
  .page-contact .contact-flow__step-num {
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 92, 0, .9);
  }
}
.page-contact .contact-flow__step-body h3 {
  margin: 2px 0 6px;
  font-family: var(--font-title);
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
}
.page-contact .contact-flow__step-body p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
}
.page-contact .contact-flow__media {
  position: relative;
  z-index: 1;
  margin: 0;
  aspect-ratio: 2 / 1;
  background: var(--bg-panel);
}
.page-contact .contact-flow__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .contact-flow__media figcaption {
  padding: 12px 2px 0;
  color: var(--text-muted);
  font-size: 13px;
}

/* ===== 发起反馈 ===== */
.page-contact .contact-submit {
  padding: 72px 0;
}
.page-contact .contact-submit__frame {
  position: relative;
  overflow: hidden;
  padding: 34px 26px;
  background:
    radial-gradient(circle at 18% 0%, rgba(138, 43, 226, .14), transparent 46%),
    linear-gradient(150deg, rgba(23, 23, 35, .7), rgba(11, 11, 18, .94));
  border: 1px solid var(--line-edge);
  border-radius: var(--radius-lg);
}
@media (min-width: 768px) {
  .page-contact .contact-submit__frame {
    padding: 46px 52px;
  }
}
.page-contact .contact-submit__head p:first-child {
  margin-bottom: 8px;
}
.page-contact .contact-submit__head .text-muted {
  max-width: 58ch;
  margin-top: 12px;
}
.page-contact .contact-submit__body {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}
@media (min-width: 768px) {
  .page-contact .contact-submit__body {
    grid-template-columns: 1fr 1.4fr;
    align-items: end;
  }
  .page-contact .contact-submit__field:first-child {
    align-self: start;
  }
  .page-contact .contact-submit__action {
    grid-column: 1 / -1;
  }
}
.page-contact .contact-submit__field {
  display: grid;
  gap: 8px;
}
.page-contact .contact-submit__field label {
  color: var(--text-secondary);
  font-size: 13px;
  letter-spacing: .08em;
}
.page-contact .contact-submit__field select,
.page-contact .contact-submit__field textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--line-edge);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.page-contact .contact-submit__field select:focus,
.page-contact .contact-submit__field textarea:focus {
  outline: none;
  border-color: var(--flame-orange);
  box-shadow: 0 0 0 3px rgba(255, 92, 0, .14);
}
.page-contact .contact-submit__field textarea {
  min-height: 110px;
  resize: vertical;
}
.page-contact .contact-submit__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}
.page-contact .contact-submit__hint {
  font-size: 13px;
}

/* ===== 信任数据 ===== */
.page-contact .contact-trust {
  padding: 44px 0;
  background: linear-gradient(110deg, rgba(255, 92, 0, .05), rgba(138, 43, 226, .05));
  border-top: 1px solid var(--line-edge);
  border-bottom: 1px solid var(--line-edge);
}
.page-contact .contact-trust__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 16px;
}
@media (min-width: 768px) {
  .page-contact .contact-trust__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
}
.page-contact .contact-trust__item {
  display: grid;
  gap: 6px;
}
@media (min-width: 768px) {
  .page-contact .contact-trust__item {
    padding-left: 22px;
    border-left: 1px solid var(--line-edge);
  }
  .page-contact .contact-trust__item:first-child {
    padding-left: 0;
    border-left: none;
  }
}
.page-contact .contact-trust__num {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1;
  color: var(--text-primary);
}
@supports (background-clip: text) {
  .page-contact .contact-trust__num {
    background: linear-gradient(120deg, var(--text-primary) 20%, var(--text-secondary) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.page-contact .contact-trust__label {
  color: var(--text-muted);
  font-size: 13px;
}

/* ===== 更多支持入口 ===== */
.page-contact .contact-links {
  padding: 64px 0 88px;
}
.page-contact .contact-links__panel {
  padding: 32px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--line-edge);
  border-radius: var(--radius-md);
}
@media (min-width: 768px) {
  .page-contact .contact-links__panel {
    padding: 40px 44px;
  }
}
.page-contact .contact-links__grid {
  display: grid;
  margin-top: 30px;
}
@media (min-width: 768px) {
  .page-contact .contact-links__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 32px;
  }
}
.page-contact .contact-links__item {
  display: grid;
  gap: 4px;
  padding: 18px 6px;
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--line-edge);
  transition: background var(--ease), transform var(--ease);
}
.page-contact .contact-links__item:last-child {
  border-bottom: none;
}
.page-contact .contact-links__item:hover,
.page-contact .contact-links__item:focus-visible {
  background: rgba(255, 92, 0, .05);
  transform: translateX(6px);
}
.page-contact .contact-links__name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
}
.page-contact .contact-links__desc {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}
@media (min-width: 768px) {
  .page-contact .contact-links__item {
    padding: 6px 0 6px 24px;
    border-bottom: none;
    border-left: 1px solid var(--line-edge);
  }
  .page-contact .contact-links__item:first-child {
    padding-left: 0;
    border-left: none;
  }
  .page-contact .contact-links__item:hover,
  .page-contact .contact-links__item:focus-visible {
    transform: translateX(4px);
  }
}