/* 星链页：不同用户看AI ↔ 致敬区 — 地球（左）+ 光伏优势（右） */

.xinglian-earth-wrap {
  position: relative;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 2.75rem 3.25rem;
  width: 100%;
  max-width: none;
  margin: 0;
  min-height: 340px;
  padding: 2.75rem clamp(1.25rem, 4vw, 2.5rem) 2.25rem;
  overflow: hidden;
  background: #ffffff;
  box-sizing: border-box;
}

.xinglian-earth-stage {
  position: relative;
  flex: 0 0 auto;
  width: 280px;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.xinglian-earth-wrap .section-banner {
  height: 250px;
  width: 250px;
  position: relative;
  flex-shrink: 0;
  background-image: url("../../images/xinglian-earth-texture.jpg");
  background-size: cover;
  background-position: left center;
  border-radius: 50%;
  animation:
    xinglian-earth-rotate 30s linear 0s infinite,
    xinglian-earth-breathe 15s ease-in-out 0s infinite;
  box-shadow:
    0 0 18px rgba(195, 244, 255, 0.22),
    -5px 0 8px #c3f4ff inset,
    12px 2px 20px #00000055 inset,
    -20px -2px 28px #c3f4ff88 inset,
    200px 0 36px #00000044 inset,
    120px 0 28px #00000066 inset;
  filter: brightness(1.02) contrast(1.04) saturate(1.06);
  will-change: background-position, filter, box-shadow;
}

@keyframes xinglian-earth-rotate {
  0% { background-position: 0 center; }
  100% { background-position: 400px center; }
}

/* 明暗呼吸：15 秒一轮（幅度收窄，暗可见、亮不过曝） */
@keyframes xinglian-earth-breathe {
  0%, 100% {
    filter: brightness(0.96) contrast(1.05) saturate(1.04);
    box-shadow:
      0 0 16px rgba(195, 244, 255, 0.2),
      -5px 0 8px #b6e8f5 inset,
      14px 2px 22px #0000004d inset,
      -18px -2px 26px #9ad8e888 inset,
      220px 0 40px #00000055 inset,
      130px 0 32px #00000077 inset;
  }
  50% {
    filter: brightness(1.1) contrast(1.03) saturate(1.08);
    box-shadow:
      0 0 22px rgba(195, 244, 255, 0.32),
      -6px 0 10px #dff7ff inset,
      10px 2px 16px #00000040 inset,
      -22px -2px 32px #c3f4ffaa inset,
      180px 0 32px #00000033 inset,
      100px 0 24px #00000044 inset;
  }
}

.xinglian-earth-copy {
  flex: 1 1 320px;
  max-width: 540px;
  min-width: 0;
  text-align: left;
}

.xinglian-earth-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  font-weight: 800;
  color: #0f172a;
  letter-spacing: 0.02em;
  line-height: 1.25;
}

/* 纵向走马灯：左→右阅读，内容向上滚动（阅读方向向下） */
.xinglian-earth-marquee {
  position: relative;
  height: 260px;
  overflow: hidden;
  mask-image: linear-gradient(
    to bottom,
    transparent 0,
    #000 12%,
    #000 88%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 0,
    #000 12%,
    #000 88%,
    transparent 100%
  );
}

.xinglian-earth-marquee-track {
  display: flex;
  flex-direction: column;
  gap: 0;
  animation: xinglian-earth-history-scroll 48s linear infinite;
  will-change: transform;
}

.xinglian-earth-marquee:hover .xinglian-earth-marquee-track,
.xinglian-earth-marquee:focus-within .xinglian-earth-marquee-track {
  animation-play-state: paused;
}

.xinglian-earth-history {
  flex: 0 0 auto;
  padding: 0.35rem 0 1.25rem;
}

.xinglian-earth-history p {
  margin: 0 0 0.95rem;
  font-size: 0.98rem;
  line-height: 1.75;
  color: #334155;
  text-align: left;
  direction: ltr;
}

.xinglian-earth-history p:last-child {
  margin-bottom: 1.5rem;
}

.xinglian-earth-history strong {
  color: #0f172a;
  font-weight: 700;
  margin-right: 0.35em;
}

@keyframes xinglian-earth-history-scroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

.xinglian-earth-wrap .curved-corner-star {
  display: flex;
  position: relative;
}

.xinglian-earth-wrap .earth-star-corner {
  width: 4px;
  height: 5px;
  overflow: hidden;
  position: relative;
}

.xinglian-earth-wrap .earth-star-corner::before {
  content: "";
  display: block;
  width: 200%;
  height: 200%;
  position: absolute;
  border-radius: 50%;
}

.xinglian-earth-wrap .earth-star-bl::before {
  bottom: 0;
  left: 0;
  box-shadow: -5px 5px 0 0 #111827;
}

.xinglian-earth-wrap .earth-star-br::before {
  bottom: 0;
  right: 0;
  box-shadow: 5px 5px 0 0 #111827;
}

.xinglian-earth-wrap .earth-star-tl::before {
  top: 0;
  left: 0;
  box-shadow: -5px -5px 0 0 #111827;
}

.xinglian-earth-wrap .earth-star-tr::before {
  top: 0;
  right: 0;
  box-shadow: 5px -5px 0 0 #111827;
}

@keyframes xinglian-twinkling {
  0%, 100% { opacity: 0; }
  45%, 55% { opacity: 1; }
}

.xinglian-earth-wrap .earth-star {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  animation: xinglian-twinkling var(--star-dur, 3s) ease-in-out infinite;
  will-change: opacity, left, top;
}

.xinglian-earth-wrap .earth-star-1 { --star-dur: 2.8s; animation-delay: 0.1s; }
.xinglian-earth-wrap .earth-star-2 { --star-dur: 2.1s; animation-delay: 0.7s; }
.xinglian-earth-wrap .earth-star-3 { --star-dur: 3.6s; animation-delay: 1.2s; }
.xinglian-earth-wrap .earth-star-4 { --star-dur: 2.9s; animation-delay: 0.4s; }
.xinglian-earth-wrap .earth-star-5 { --star-dur: 1.8s; animation-delay: 1.5s; }
.xinglian-earth-wrap .earth-star-6 { --star-dur: 3.4s; animation-delay: 0.9s; }
.xinglian-earth-wrap .earth-star-7 { --star-dur: 2.3s; animation-delay: 1.8s; }

@media (max-width: 820px) {
  .xinglian-earth-wrap {
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
    padding: 2rem 1.15rem 1.75rem;
  }

  .xinglian-earth-copy {
    max-width: 40rem;
    text-align: left;
    width: 100%;
  }

  .xinglian-earth-title {
    text-align: center;
  }

  .xinglian-earth-marquee {
    height: 240px;
  }
}

@media (max-width: 480px) {
  .xinglian-earth-wrap {
    min-height: 0;
    padding: 1.75rem 0.9rem 1.35rem;
  }

  .xinglian-earth-stage {
    width: 230px;
    height: 230px;
  }

  .xinglian-earth-wrap .section-banner {
    width: 200px;
    height: 200px;
  }

  .xinglian-earth-marquee {
    height: 220px;
  }

  .xinglian-earth-history p {
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .xinglian-earth-wrap .section-banner,
  .xinglian-earth-wrap .earth-star,
  .xinglian-earth-marquee-track {
    animation: none;
  }

  .xinglian-earth-wrap .section-banner {
    filter: brightness(1.02) contrast(1.04) saturate(1.06);
  }

  .xinglian-earth-wrap .earth-star {
    opacity: 0.55;
  }

  .xinglian-earth-marquee {
    overflow-y: auto;
    mask-image: none;
    -webkit-mask-image: none;
  }

  .xinglian-earth-marquee-track .xinglian-earth-history[aria-hidden="true"] {
    display: none;
  }
}