/* ====== 基础重置 ====== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-deep: #0a0a1a;
  --bg-card: rgba(255, 255, 255, 0.04);
  --pink: #ff6b9d;
  --pink-light: #ff9ec4;
  --pink-glow: rgba(255, 107, 157, 0.3);
  --purple: #a78bfa;
  --indigo: #6366f1;
  --text: #f0e6ff;
  --text-muted: #a89bc2;
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ====== 星空背景 ====== */
.stars {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1.5px 1.5px at 15% 85%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 45% 45%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 80% 15%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1.5px 1.5px at 25% 35%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 60% 75%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 5% 55%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1.5px 1.5px at 75% 90%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 40% 5%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 95% 30%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1.5px 1.5px at 55% 55%, rgba(255,255,255,0.6), transparent);
  background-size: 200px 200px;
  animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

/* ====== 导航 ====== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 107, 157, 0.15);
}

.nav-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 70px 0 20px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--pink);
  text-decoration: none;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255, 107, 157, 0.15);
}

/* ====== 语言切换（固定右上角） ====== */
.lang-toggle {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 200;
  min-width: 40px;
  background: rgba(255, 107, 157, 0.18);
  color: var(--pink-light);
  border: 1px solid rgba(255, 107, 157, 0.45);
  border-radius: 20px;
  padding: 7px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 14px rgba(255, 107, 157, 0.25);
}

.lang-toggle:hover {
  background: rgba(255, 107, 157, 0.35);
  color: #fff;
  transform: scale(1.06);
  box-shadow: 0 4px 20px var(--pink-glow);
}

.lang-toggle:active {
  transform: scale(0.96);
}

/* ====== 容器 ====== */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 20px 40px;
  position: relative;
  z-index: 1;
}

/* ====== Tab切换 ====== */
.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====== Section Header ====== */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2rem;
  color: var(--pink);
  margin-bottom: 8px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ====== HERO ====== */
.hero {
  text-align: center;
  padding: 60px 0 40px;
}

.hero-avatar {
  width: 180px;
  height: 180px;
  margin: 0 auto 24px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--pink);
  box-shadow: 0 0 40px var(--pink-glow);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .jp {
  font-weight: 400;
  opacity: 0.8;
}

.hero-sub {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 12px;
}

.hero-tagline {
  color: var(--pink-light);
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-quote {
  margin-top: 28px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-style: italic;
  opacity: 0.85;
}

/* ====== 主页音乐播放器 ====== */
.home-music {
  margin: 48px auto 0;
  max-width: 560px;
  text-align: center;
}

.home-music-eyebrow {
  display: inline-block;
  color: var(--pink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
}

.hp-player {
  display: flex;
  align-items: center;
  gap: 16px;
  background: linear-gradient(135deg, rgba(255,107,157,0.10), rgba(167,139,250,0.08));
  border: 1px solid rgba(255, 107, 157, 0.25);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: 0 8px 30px rgba(255, 107, 157, 0.12);
  flex-wrap: wrap;
}

.hp-toggle {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px var(--pink-glow);
}

.hp-toggle:hover { transform: scale(1.08); }
.hp-toggle.is-playing { animation: hp-pulse 1.6s ease-in-out infinite; }

@keyframes hp-pulse {
  0%, 100% { box-shadow: 0 4px 18px var(--pink-glow); }
  50% { box-shadow: 0 4px 30px rgba(255, 107, 157, 0.6); }
}

.hp-meta {
  flex: 1;
  min-width: 140px;
  text-align: left;
}

.hp-track {
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
}

.hp-sub {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 2px;
}

.hp-tracks {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hp-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 107, 157, 0.2);
  color: var(--text-muted);
  border-radius: 18px;
  padding: 6px 12px;
  font-size: 0.78rem;
  cursor: pointer;
  font-family: var(--font);
  transition: all 0.25s ease;
}

.hp-chip:hover { background: rgba(255, 107, 157, 0.12); color: var(--text); }

.hp-chip.active {
  background: rgba(255, 107, 157, 0.22);
  border-color: var(--pink);
  color: var(--text);
}

.hp-hint {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 0.78rem;
  opacity: 0.8;
}

/* ====== 禁用态（看起来不可点的就真的不可点） ====== */
.is-disabled {
  opacity: 0.5;
  cursor: not-allowed !important;
  pointer-events: none;
  filter: grayscale(0.3);
}

.is-disabled:hover {
  transform: none !important;
  background: var(--bg-card) !important;
  border-color: rgba(255, 255, 255, 0.06) !important;
}

.soon-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255, 107, 157, 0.9);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 9px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.socials-note {
  text-align: center;
  color: var(--pink-light);
  font-size: 0.88rem;
  margin-bottom: 22px;
  opacity: 0.9;
}

/* ====== 直播预览 ====== */
.stream-preview {
  margin-top: 60px;
  text-align: center;
}

.preview-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.preview-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255, 107, 157, 0.2);
  box-shadow: 0 8px 40px rgba(255, 107, 157, 0.1);
  max-width: 720px;
  margin: 0 auto;
}

.preview-img {
  width: 100%;
  height: auto;
  display: block;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: white;
  box-shadow: 0 4px 20px var(--pink-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px var(--pink-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border: 1px solid rgba(255, 107, 157, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 107, 157, 0.15);
  transform: translateY(-2px);
}

/* ====== ABOUT ====== */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(4px);
}

.about-card h3 {
  font-size: 1.15rem;
  color: var(--pink-light);
  margin-bottom: 16px;
}

.model-ref {
  width: 100%;
  max-width: 400px;
  margin: 0 auto 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.model-img {
  width: 100%;
  height: auto;
  display: block;
}

.model-credit {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.lore-text p {
  margin-bottom: 12px;
  line-height: 1.8;
}

.lore-text em {
  color: var(--pink-light);
  font-style: italic;
}

.lore-signoff {
  text-align: right;
  color: var(--pink);
  font-size: 1.1rem;
  margin-top: 20px;
}

.credits-list {
  list-style: none;
}

.credits-list li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
}

.credit-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.credit-note {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-style: italic;
  text-align: center;
}

/* ====== SCHEDULE ====== */
.schedule-grid {
  display: grid;
  gap: 12px;
}

.schedule-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}

.schedule-card:hover {
  background: rgba(255, 107, 157, 0.06);
  border-color: rgba(255, 107, 157, 0.2);
}

.schedule-day {
  font-weight: 600;
  color: var(--pink-light);
  min-width: 100px;
}

.schedule-time {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.schedule-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 20px;
}

/* ====== VIDEOS ====== */
.video-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  gap: 20px;
  padding: 16px;
  transition: all 0.3s ease;
}

.video-card:hover {
  background: rgba(255, 107, 157, 0.06);
  border-color: rgba(255, 107, 157, 0.2);
}

.video-thumb {
  position: relative;
  width: 320px;
  min-height: 180px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}

.thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(255, 107, 157, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
  box-shadow: 0 4px 20px rgba(255, 107, 157, 0.4);
}

.video-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.video-info h3 {
  font-size: 1.2rem;
  color: var(--pink-light);
  margin-bottom: 8px;
}

.video-meta {
  color: var(--pink);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.video-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.videos-placeholder {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}

.placeholder-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.placeholder-sub {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ====== SOCIALS ====== */
.socials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.social-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.social-card:hover {
  background: rgba(255, 107, 157, 0.08);
  border-color: var(--pink);
  transform: translateY(-4px);
}

.social-icon {
  font-size: 2rem;
}

.social-name {
  font-weight: 600;
  font-size: 1rem;
}

.social-handle {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ====== MUSIC ====== */
.music-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.music-card:hover {
  background: rgba(255, 107, 157, 0.06);
  border-color: rgba(255, 107, 157, 0.2);
}

.music-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.music-info h3 {
  font-size: 1.05rem;
  color: var(--pink-light);
  margin-bottom: 4px;
}

.music-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.music-status {
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--pink);
}

.audio-player {
  margin-top: 12px;
}

.play-btn {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px var(--pink-glow);
}

/* ====== FOOTER ====== */
.footer {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 0.85rem;
  position: relative;
  z-index: 1;
}

/* ====== Lyrics Toggle ====== */
.lyrics-toggle {
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 107, 157, 0.15);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.lyrics-toggle summary {
  color: var(--pink-light);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 4px 0;
  outline: none;
}

.lyrics-toggle:hover {
  background: rgba(255, 107, 157, 0.06);
  border-color: rgba(255, 107, 157, 0.3);
}

.lyrics-box {
  padding: 16px 8px 8px;
  line-height: 2;
  color: var(--text);
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 107, 157, 0.1);
  margin-top: 12px;
}

.lyrics-box p {
  margin-bottom: 12px;
}

.lyrics-box strong {
  color: var(--pink-light);
  font-size: 0.8rem;
  letter-spacing: 1px;
}

.footer-small {
  font-size: 0.75rem;
  margin-top: 4px;
  opacity: 0.6;
}

.footer-updated {
  font-size: 0.65rem;
  margin-top: 8px;
  opacity: 0.4;
  color: var(--pink-light);
  letter-spacing: 0.5px;
}

/* ====== 响应式 ====== */
@media (max-width: 600px) {
  .nav-links {
    gap: 2px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-links a {
    font-size: 0.75rem;
    padding: 4px 10px;
  }

  .lang-toggle {
    font-size: 0.7rem;
    padding: 3px 8px;
    margin-left: 4px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-avatar {
    width: 140px;
    height: 140px;
  }

  .schedule-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .video-card {
    flex-direction: column;
  }

  .video-thumb {
    width: 100%;
    min-height: auto;
  }

  .socials-grid {
    grid-template-columns: 1fr 1fr;
  }
}