/* STELLARIS · 星座栏（W4）—— 首页 hero 之下、作品区之上的整幅横贯条 */
.constellation {
  position: relative;
  padding: 88px 0 72px;
  overflow: hidden;
  isolation: isolate;
  /* 与站点其他 section 共用同一套左右内边距；此前缺这条，内容贴到视口边缘被裁 */
  padding-left: max(24px, 5vw);
  padding-right: max(24px, 5vw);
  margin-inline: auto;
  max-width: 1440px;
}

.constellation__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.constellation__eyebrow {
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 11px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--ink-3, #7d8794);
  margin: 0 0 10px;
}

.constellation__title {
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 600;
  letter-spacing: .01em;
  margin: 0;
  line-height: 1.15;
}

.constellation__sub {
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-2, #a7b0bf);
  margin: 10px 0 0;
}

.constellation__tab {
  display: inline-flex;
  padding: 4px;
  gap: 2px;
  border: 1px solid rgba(143, 227, 255, .22);
  border-radius: 999px;
  background: rgba(10, 16, 26, .6);
  backdrop-filter: blur(8px);
}

.constellation__tab button {
  appearance: none;
  border: 0;
  background: none;
  color: var(--ink-2, #a7b0bf);
  font: inherit;
  font-size: 12.5px;
  letter-spacing: .06em;
  padding: 8px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: color .25s, background .25s;
}

.constellation__tab button[aria-selected="true"] {
  color: #eaf6ff;
  background: linear-gradient(135deg, rgba(143, 227, 255, .22), rgba(255, 210, 122, .14));
}

.constellation__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 1fr);
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 6px 2px 18px;
  scrollbar-width: thin;
}

.constellation__rail::-webkit-scrollbar { height: 4px; }
.constellation__rail::-webkit-scrollbar-thumb { background: rgba(143, 227, 255, .3); border-radius: 4px; }

.orbit-card {
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(148, 178, 210, .16);
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(143, 227, 255, .12), transparent 60%),
    linear-gradient(180deg, rgba(18, 26, 40, .92), rgba(9, 14, 22, .96));
  color: inherit;
  text-decoration: none;
  transition: transform .35s cubic-bezier(.22, 1, .36, 1), border-color .3s, box-shadow .3s;
  will-change: transform;
}

.orbit-card:hover,
.orbit-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(143, 227, 255, .45);
  box-shadow: 0 18px 46px -18px rgba(0, 0, 0, .9), 0 0 0 1px rgba(143, 227, 255, .18) inset;
  outline: none;
}

.orbit-card__orbit {
  position: absolute;
  inset: -1px;
  border-radius: 18px;
  pointer-events: none;
  opacity: 0;
  transition: opacity .4s;
}

.orbit-card:hover .orbit-card__orbit { opacity: 1; }

.orbit-card__tag {
  align-self: flex-start;
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 210, 122, .3);
  color: #ffd27a;
}

.orbit-card[data-pick="star"] .orbit-card__tag { border-color: rgba(143, 227, 255, .38); color: #8fe3ff; }
.orbit-card[data-pick="curated"] .orbit-card__tag { border-color: rgba(255, 255, 255, .3); color: #e9f2ff; }

.orbit-card__cover {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255, 255, 255, .04);
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, .3);
  font-size: 11px;
  letter-spacing: .18em;
}

.orbit-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s cubic-bezier(.22, 1, .36, 1);
}

/* 没有封面图时给一块有质感的占位，而不是浏览器的破图图标 */
.orbit-card__cover[data-miss="1"]::after {
  content: attr(data-label);
  font-family: var(--mono, ui-monospace, monospace);
  font-size: 10px;
  letter-spacing: .28em;
  color: rgba(143, 227, 255, .4);
  text-transform: uppercase;
}

.orbit-card:hover .orbit-card__cover img { transform: scale(1.04); }

.orbit-card__title {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.orbit-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--ink-3, #7d8794);
  margin-top: auto;
}

.orbit-card__circle { color: #8fe3ff; opacity: .85; }

.constellation__empty {
  grid-column: 1 / -1;
  padding: 46px 22px;
  text-align: center;
  border: 1px dashed rgba(148, 178, 210, .2);
  border-radius: 18px;
  color: var(--ink-3, #7d8794);
  font-size: 13px;
  line-height: 1.9;
}

@media (max-width: 720px) {
  /* 2026-11-13 修：原来写 padding: 64px 0 52px —— 简写把左右内边距清零，
     而 .constellation 有 overflow:hidden，于是标题/正文/眼睛标签全部贴到视口左缘被裁掉
     （真机截图里「CONSTELLATION」「不同星云里」都缺了开头几个字）。
     这里保留左右内边距，并跟着站点统一用 --pad。 */
  .constellation {
    padding: 64px var(--pad, 20px) 52px;
  }
  .constellation__rail { grid-auto-columns: 78vw; }
  .constellation__head { gap: 18px; margin-bottom: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .orbit-card, .orbit-card__cover img { transition: none; }
}