:root {
  --bg: #070b14;
  --bg-elevated: rgba(18, 26, 42, 0.72);
  --card: rgba(22, 32, 54, 0.78);
  --card-solid: #162036;
  --card-hover: rgba(28, 42, 68, 0.92);
  --line: rgba(120, 150, 200, 0.18);
  --line-strong: rgba(140, 170, 220, 0.32);
  --text: #eef3ff;
  --muted: #95a8c8;
  --accent: #7ec4ff;
  --accent-deep: #4aa3f0;
  --accent-2: #ff9ad0;
  --accent-soft: rgba(126, 196, 255, 0.16);
  --pink-soft: rgba(255, 154, 208, 0.14);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.28);
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --glass: blur(18px) saturate(1.25);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 8% -8%, rgba(110, 182, 255, 0.22), transparent 58%),
    radial-gradient(720px 480px at 92% 4%, rgba(255, 142, 200, 0.14), transparent 52%),
    radial-gradient(640px 420px at 50% 100%, rgba(80, 140, 220, 0.08), transparent 55%),
    linear-gradient(180deg, #0a1020 0%, #070b14 45%, #080d18 100%);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.site-header {
  display: flex; flex-wrap: wrap; gap: 1.1rem; align-items: center;
  justify-content: space-between;
  padding: 1.5rem 1.5rem 0.9rem;
  max-width: 1180px; margin: 0 auto;
}

.brand {
  display: flex; gap: 1rem; align-items: center;
}

.brand-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(126, 196, 255, 0.55);
  box-shadow:
    0 0 0 4px rgba(126, 196, 255, 0.12),
    0 10px 24px rgba(0, 0, 0, 0.35);
  background: #0a101c;
  flex-shrink: 0;
}

.brand-text .eyebrow {
  margin: 0 0 0.15rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.9;
  font-weight: 600;
}

.brand h1 {
  margin: 0;
  font-size: clamp(1.28rem, 2.5vw, 1.55rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  background: linear-gradient(110deg, #f4f8ff 20%, #b8d9ff 55%, #ffc2e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.toolbar { display: flex; align-items: center; }

.search-wrap {
  position: relative;
  display: block;
}

.search-icon {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.search-wrap input {
  width: min(300px, 72vw);
  padding: 0.72rem 1rem 0.72rem 2.45rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  color: var(--text);
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.search-wrap input::placeholder { color: #7d90b0; }
.search-wrap input:focus {
  border-color: rgba(126, 196, 255, 0.55);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.filters {
  display: flex; flex-wrap: wrap; gap: 0.55rem;
  padding: 0.35rem 1.5rem 1.15rem;
  max-width: 1180px; margin: 0 auto;
}

.chip {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  backdrop-filter: blur(10px);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.42rem 0.95rem;
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.chip:hover {
  color: var(--text);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.chip.active {
  color: #041018;
  background: linear-gradient(135deg, #8ec8ff, #c9e4ff 55%, #ffd0e8);
  border-color: transparent;
  font-weight: 650;
  box-shadow: 0 6px 18px rgba(110, 182, 255, 0.28);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
}

.status-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin: 0 0 1.05rem;
}

.status {
  color: var(--muted);
  margin: 0;
  font-size: 0.92rem;
}

.hint {
  margin: 0;
  font-size: 0.78rem;
  color: #6f829f;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: 1.05rem;
}

@media (min-width: 720px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.2rem; }
}

.card {
  background: var(--card);
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.card:hover {
  transform: translateY(-5px);
  background: var(--card-hover);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.thumb-wrap {
  aspect-ratio: 1;
  background: #0a101c;
  display: grid;
  place-items: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.thumb-wrap::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(transparent, rgba(4, 8, 16, 0.45));
  pointer-events: none;
  opacity: 0.85;
}

.thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.card:hover .thumb-wrap img {
  transform: scale(1.04);
}

.card-body {
  padding: 0.85rem 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.card-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}

.meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.badge {
  font-size: 0.7rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #b7dbff;
  border: 1px solid rgba(126, 196, 255, 0.28);
  letter-spacing: 0.02em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-decoration: none;
  font: inherit;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.38rem 0.8rem;
  color: var(--text);
  background: rgba(12, 18, 30, 0.55);
  font-size: 0.8rem;
  transition: filter 0.15s ease, transform 0.15s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #7ec4ff, #a8d8ff 60%, #ffd0e8);
  color: #041018;
  border: none;
  font-weight: 650;
  box-shadow: 0 4px 14px rgba(110, 182, 255, 0.25);
}

.btn:hover { filter: brightness(1.06); }
.btn:active { transform: scale(0.98); }
.btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.site-footer {
  max-width: 1180px;
  margin: 0 auto 2.5rem;
  padding: 0 1.5rem;
}

.footer-card {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  padding: 1.15rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  color: var(--muted);
  font-size: 0.9rem;
  box-shadow: var(--shadow-soft);
}

.footer-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(126, 196, 255, 0.4);
  flex-shrink: 0;
}

.site-footer a { color: var(--accent); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer .muted { opacity: 0.85; }
.site-footer p { margin: 0.28rem 0; }

.lightbox {
  border: none;
  padding: 0;
  max-width: min(96vw, 920px);
  background: transparent;
  color: var(--text);
}

.lightbox::backdrop {
  background: rgba(3, 6, 12, 0.72);
  backdrop-filter: blur(8px);
}

.lightbox-inner {
  background: rgba(18, 28, 46, 0.92);
  backdrop-filter: var(--glass);
  -webkit-backdrop-filter: var(--glass);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
}

.lightbox-meta {
  padding: 1rem 1.15rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.lightbox-meta h2 {
  margin: 0;
  font-size: 1.12rem;
  flex: 1 1 auto;
  letter-spacing: 0.02em;
}

.close-btn {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 2;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(8, 12, 22, 0.72);
  color: var(--text);
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  backdrop-filter: blur(8px);
}

.close-btn:hover { border-color: var(--accent); }

.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted);
  padding: 3rem 1rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(12, 18, 30, 0.35);
}

.lightbox-media {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 720px) {
  .lightbox-media { grid-template-columns: 1fr 1fr; }
}

.lightbox-media figure {
  margin: 0;
  background: #0a101c;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 720px) {
  .lightbox-media figure:first-child { border-right: 1px solid var(--line); }
}

.lightbox-media figcaption {
  padding: 0.5rem 0.85rem 0;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.lightbox-media img {
  width: 100%;
  max-height: 58vh;
  object-fit: contain;
  display: block;
  background: #0a101c;
}