@font-face {
  font-family: 'MiSans-Bold';
  src: url('/fonts/subset/MiSans-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MiSans-Demibold';
  src: url('/fonts/subset/MiSans-Demibold.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MiSans-Medium';
  src: url('/fonts/subset/MiSans-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'MiSans-Light';
  src: url('/fonts/subset/MiSans-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'FuturaLT-Bold';
  src: url('/fonts/futura-lt-cufonfonts/FuturaLT-Bold.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

.contact-overlay {
  --contact-side-gap: max(3.125vw, calc((100vw - 1800px) / 2));
  position: fixed;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: clamp(116px, 12vh, 148px) var(--contact-side-gap) 48px;
  background: rgba(10, 14, 20, 0.14);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1400;
}

.contact-overlay.is-visible {
  visibility: visible;
  pointer-events: auto;
}

.contact-overlay__card {
  position: relative;
  width: min(1800px, calc(100vw - var(--contact-side-gap) * 2));
  min-height: 670px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 20px; /* 联系卡片圆角 */
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08)),
    rgba(96, 101, 108, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 28px 80px rgba(5, 10, 18, 0.26);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  overflow: hidden;
  clip-path: circle(0% at 100% 0%);
  transform-origin: 100% 0%;
}

.contact-overlay__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: none;
}

.contact-overlay__body {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 670px;
  padding: 78px 58px 54px;
  color: #ffffff;
}

.contact-overlay__title-wrap,
.contact-overlay__divider,
.contact-overlay__content {
  opacity: 0;
}

.contact-overlay__title-en {
  font-family: 'FuturaLT-Bold', sans-serif;
  font-size: clamp(50px, 4.7vw, 86px);
  line-height: 0.95;
  letter-spacing: 0.01em;
  font-weight: 400;
}

.contact-overlay__title-cn {
  margin-top: 14px;
  font-family: 'MiSans-Medium', sans-serif;
  font-size: clamp(26px, 3vw, 58px);
  line-height: 1.08;
}

.contact-overlay__divider {
  width: 100%;
  height: 1px;
  margin-top: 52px;
  background: rgba(255, 255, 255, 0.8);
  transform-origin: left center;
}

.contact-overlay__content {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  margin-top: auto;
  padding-top: 44px;
}

.contact-overlay__info {
  flex: 1 1 58%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-overlay__item {
  display: flex;
  align-items: center;
  gap: 22px;
}

.contact-overlay__icon {
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.95);
  overflow: visible;
}

.contact-overlay__icon svg {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
  overflow: visible;
  flex-shrink: 0;
}

.contact-overlay__text {
  display: flex;
  flex-direction: column;
}

.contact-overlay__text-label {
  font-family: 'MiSans-Light', sans-serif;
  font-size: clamp(14px, 1.2vw, 16px);
  line-height: 1.18;
}

.contact-overlay__text-value {
  margin-top: -6px;
  font-family: 'MiSans-Demibold', sans-serif;
  font-size: clamp(20px, 1.6vw, 36px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
}

.contact-overlay__qr {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  gap: clamp(20px, 1.8vw, 38px);
  padding-right: 20px;
}

.contact-overlay__qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.contact-overlay__qr-item img {
  width: clamp(122px, 8.4vw, 170px);
  height: auto;
  display: block;
}

.contact-overlay__qr-item p {
  font-family: 'MiSans-Light', sans-serif;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.76);
  letter-spacing: 0.02em;
}

body.contact-overlay-open {
  overflow: hidden;
}

@media (max-width: 1279px) {
  .contact-overlay {
    padding-top: 104px;
    padding-left: 24px;
    padding-right: 24px;
  }

  .contact-overlay__card {
    width: 100%;
    min-height: auto;
  }

  .contact-overlay__body {
    min-height: auto;
    padding: 48px 28px 32px;
  }

  .contact-overlay__content {
    flex-direction: column;
    align-items: stretch;
    gap: 46px;
  }

  .contact-overlay__info {
    max-width: none;
  }

}

@media (max-width: 767px) {
  .contact-overlay {
    --contact-overlay-top: clamp(68px, 12dvh, 92px);
    --contact-overlay-bottom: clamp(12px, 2.5dvh, 20px);
    padding: var(--contact-overlay-top) 16px var(--contact-overlay-bottom);
    background: rgba(10, 14, 20, 0.28);
  }

  .contact-overlay__card {
    min-height: min(560px, calc(100dvh - var(--contact-overlay-top) - var(--contact-overlay-bottom)));
    border-radius: 20px; /* 联系卡片圆角 */
  }

  .contact-overlay__body {
    min-height: min(560px, calc(100dvh - var(--contact-overlay-top) - var(--contact-overlay-bottom)));
    padding: 32px 18px 24px;
  }

  .contact-overlay__divider {
    margin-top: 28px;
  }

  .contact-overlay__content {
    padding-top: 28px;
  }

  .contact-overlay__item {
    gap: 14px;
  }

  .contact-overlay__icon,
  .contact-overlay__icon svg {
    width: 50px;
    height: 50px;
  }

  .contact-overlay__qr {
    gap: min(3.2vw, 12px);
  }

  .contact-overlay__qr-item img {
    width: min(24vw, 104px);
  }

  .contact-overlay__qr-item p {
    display: none;
  }
}

/* 低高度手机：保持卡片完整可见，按内容层级逐步收紧尺寸。 */
@media (max-width: 767px) and (max-height: 700px) {
  .contact-overlay {
    --contact-overlay-top: 72px;
    --contact-overlay-bottom: 72px;
  }

  .contact-overlay__card,
  .contact-overlay__body {
    min-height: min(560px, calc(100dvh - var(--contact-overlay-top) - var(--contact-overlay-bottom)));
  }

  .contact-overlay__body {
    padding: 24px 18px 18px;
  }

  .contact-overlay__title-en {
    font-size: 42px;
  }

  .contact-overlay__title-cn {
    margin-top: 8px;
    font-size: 22px;
  }

  .contact-overlay__divider {
    margin-top: 18px;
  }

  .contact-overlay__content {
    gap: 24px;
    padding-top: 10px;
  }

  .contact-overlay__info {
    gap: 16px;
  }

  .contact-overlay__icon,
  .contact-overlay__icon svg {
    width: 42px;
    height: 42px;
  }

  .contact-overlay__icon {
    flex-basis: 42px;
  }

  .contact-overlay__text-value {
    font-size: 18px;
    line-height: 1.35;
  }

  .contact-overlay__qr-item img {
    width: 88px;
  }
}

/* 超矮屏与手机横屏：进一步压缩内容，不引入卡片内部滚动。 */
@media (max-width: 950px) and (max-height: 560px) {
  .contact-overlay {
    --contact-overlay-top: 60px;
    --contact-overlay-bottom: 10px;
    padding: var(--contact-overlay-top) 12px var(--contact-overlay-bottom);
  }

  .contact-overlay__card,
  .contact-overlay__body {
    min-height: min(560px, calc(100dvh - var(--contact-overlay-top) - var(--contact-overlay-bottom)));
  }

  .contact-overlay__body {
    padding: 16px 14px 12px;
  }

  .contact-overlay__title-en {
    font-size: 34px;
  }

  .contact-overlay__title-cn {
    margin-top: 6px;
    font-size: 18px;
  }

  .contact-overlay__divider {
    margin-top: 12px;
  }

  .contact-overlay__content {
    gap: 14px;
    padding-top: 6px;
  }

  .contact-overlay__info {
    gap: 10px;
  }

  .contact-overlay__item {
    gap: 10px;
  }

  .contact-overlay__icon,
  .contact-overlay__icon svg {
    width: 34px;
    height: 34px;
  }

  .contact-overlay__icon {
    flex-basis: 34px;
  }

  .contact-overlay__text-label {
    font-size: 12px;
  }

  .contact-overlay__text-value {
    margin-top: -3px;
    font-size: 15px;
    line-height: 1.3;
  }

  .contact-overlay__qr {
    justify-content: flex-start;
    gap: 8px;
    padding-right: 0;
  }

  .contact-overlay__qr-item {
    gap: 0;
  }

  .contact-overlay__qr-item img {
    width: 64px;
  }

  .contact-overlay__qr-item p {
    display: none;
  }
}

@media (max-width: 950px) and (max-height: 400px) {
  .contact-overlay__card {
    scale: 0.9;
    transform-origin: top center;
  }
}

@media (max-width: 950px) and (max-height: 340px) {
  .contact-overlay__card {
    scale: 0.78;
  }
}