/* ============================================================
   AI Music Show — 全局样式
   暗黑霓虹主题 · 中英双语支持
   ============================================================ */

:root {
  --bg:       #0a0a0f;
  --bg2:      #10101a;
  --bg3:      #16162a;
  --card:     #1a1a2e;
  --card2:    #1e1e35;
  --border:   rgba(139,92,246,.18);
  --neon:     #8b5cf6;
  --neon2:    #06b6d4;
  --neon3:    #f472b6;
  --text:     #e2e8f0;
  --text2:    #94a3b8;
  --text3:    #64748b;
  --gold:     #fbbf24;
  --radius:   14px;
  --radius-sm:8px;
  --shadow:   0 8px 32px rgba(0,0,0,.5);
  --glow:     0 0 20px rgba(139,92,246,.4);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter','Noto Sans SC',sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

a { text-decoration:none; color:inherit; }
ul { list-style:none; }
button { border:none; cursor:pointer; font-family:inherit; }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:var(--bg2); }
::-webkit-scrollbar-thumb { background:var(--neon); border-radius:3px; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top:0; left:0; right:0; z-index:100;
  background: rgba(10,10,15,.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1280px; margin:0 auto;
  display: flex; align-items:center; gap:32px;
  padding: 0 24px; height:64px;
}
.nav-logo {
  display:flex; align-items:center; gap:10px;
  font-family:'Orbitron',sans-serif; font-size:15px;
  color:var(--text); white-space:nowrap;
}
.logo-icon { color:var(--neon); font-size:20px; }
.logo-text { letter-spacing:2px; }

.nav-links {
  display:flex; gap:4px; flex:1;
}
.nav-link {
  padding:8px 14px; border-radius:8px;
  font-size:14px; font-weight:500; color:var(--text2);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color:var(--text); background:rgba(139,92,246,.15); }
.nav-link.active { color:var(--neon); }
.creator-link { color:var(--neon3) !important; }

.nav-actions { display:flex; align-items:center; gap:10px; margin-left:auto; }
.lang-toggle {
  background: rgba(139,92,246,.15); border:1px solid var(--border);
  color:var(--neon); padding:6px 12px; border-radius:8px;
  font-size:13px; font-weight:600; transition:var(--transition);
}
.lang-toggle:hover { background:rgba(139,92,246,.3); }
.btn-subscribe {
  background:linear-gradient(135deg,var(--neon),var(--neon2));
  color:#fff; padding:8px 18px; border-radius:8px;
  font-size:13px; font-weight:600; transition:var(--transition);
  box-shadow: var(--glow);
}
.btn-subscribe:hover { opacity:.85; transform:translateY(-1px); }
.btn-login {
  color:var(--text2); padding:8px 14px; border-radius:8px;
  font-size:13px; font-weight:500; transition:var(--transition);
}
.btn-login:hover { color:var(--text); background:var(--card); }
.btn-register {
  background:transparent; border:1px solid var(--neon);
  color:var(--neon); padding:7px 16px; border-radius:8px;
  font-size:13px; font-weight:600; transition:var(--transition);
}
.btn-register:hover { background:var(--neon); color:#fff; }
.menu-toggle { display:none; background:none; color:var(--text); font-size:22px; }

.mobile-menu {
  display:none; flex-direction:column; padding:12px 24px 16px;
  border-top:1px solid var(--border); gap:4px;
}
.mobile-menu a {
  padding:10px 12px; border-radius:8px; color:var(--text2);
  font-size:14px; font-weight:500; transition:var(--transition);
}
.mobile-menu a:hover { color:var(--text); background:var(--card); }
.mobile-menu.open { display:flex; }

/* ===== 通用按钮 ===== */
.btn-primary {
  display:inline-flex; align-items:center;
  background:linear-gradient(135deg,var(--neon),var(--neon2));
  color:#fff; padding:13px 28px; border-radius:10px;
  font-size:15px; font-weight:600; transition:var(--transition);
  box-shadow:var(--glow);
}
.btn-primary:hover { opacity:.85; transform:translateY(-2px); }
.btn-ghost {
  display:inline-flex; align-items:center;
  background:transparent; border:1px solid var(--border);
  color:var(--text2); padding:12px 28px; border-radius:10px;
  font-size:15px; font-weight:500; transition:var(--transition);
}
.btn-ghost:hover { border-color:var(--neon); color:var(--neon); background:rgba(139,92,246,.1); }

/* ===== Hero ===== */
.hero {
  min-height:100vh;
  display:flex; align-items:center;
  padding: 100px 24px 60px;
  position:relative; overflow:hidden;
  max-width:1280px; margin:0 auto;
  gap:60px;
}
.hero-bg {
  position:fixed; inset:0; pointer-events:none; z-index:-1;
}
.hero-orb {
  position:absolute; border-radius:50%;
  filter:blur(80px); opacity:.35;
}
.orb1 { width:500px;height:500px;background:var(--neon);top:-100px;left:-100px; }
.orb2 { width:400px;height:400px;background:var(--neon2);bottom:0;right:-100px; }
.orb3 { width:300px;height:300px;background:var(--neon3);top:40%;left:40%; opacity:.2; }
.grid-lines {
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(139,92,246,.05) 1px, transparent 1px),
    linear-gradient(90deg,rgba(139,92,246,.05) 1px,transparent 1px);
  background-size:60px 60px;
}

.hero-content { flex:1; max-width:600px; }
.hero-badge {
  display:inline-block;
  background:rgba(139,92,246,.15); border:1px solid rgba(139,92,246,.3);
  color:var(--neon); padding:6px 16px; border-radius:20px;
  font-size:13px; font-weight:500; margin-bottom:24px; letter-spacing:.5px;
}
.hero-title {
  font-family:'Orbitron',sans-serif;
  font-size:clamp(36px,5vw,64px);
  line-height:1.15; margin-bottom:20px;
  color:var(--text);
}
.neon-text {
  background:linear-gradient(135deg,var(--neon),var(--neon2),var(--neon3));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
  filter:drop-shadow(0 0 20px rgba(139,92,246,.6));
}
.hero-sub { color:var(--text2); font-size:17px; line-height:1.7; margin-bottom:36px; }
.hero-cta { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:48px; }
.hero-stats { display:flex; align-items:center; gap:24px; }
.stat { display:flex; flex-direction:column; gap:4px; }
.stat-num { font-family:'Orbitron',sans-serif; font-size:22px; color:var(--neon); }
.stat-label { font-size:12px; color:var(--text3); }
.stat-divider { width:1px; height:36px; background:var(--border); }

.hero-visual { flex:0 0 380px; display:flex; justify-content:center; align-items:center; }
.vinyl-wrap { position:relative; }
.vinyl {
  width:300px; height:300px; border-radius:50%;
  background:conic-gradient(from 0deg,#667eea,#764ba2,#f093fb,#f5576c,#4facfe,#00f2fe,#43e97b,#667eea);
  display:flex; align-items:center; justify-content:center;
  animation:spin 12s linear infinite;
  box-shadow:0 0 60px rgba(139,92,246,.5);
}
.vinyl-inner {
  width:100px; height:100px; border-radius:50%;
  background:var(--bg); display:flex; align-items:center;
  justify-content:center; font-size:40px;
}
.vinyl-glow {
  position:absolute; inset:-20px; border-radius:50%;
  background:radial-gradient(circle,rgba(139,92,246,.3),transparent 70%);
  animation:pulse 3s ease-in-out infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }
@keyframes pulse { 0%,100%{opacity:.5} 50%{opacity:1} }

/* ===== 通用 Section ===== */
.section {
  max-width:1280px; margin:0 auto;
  padding:60px 24px;
}
.section-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:32px;
}
.section-header h2 {
  font-family:'Orbitron',sans-serif;
  font-size:clamp(20px,3vw,28px); color:var(--text);
}
.see-all { color:var(--neon); font-size:14px; font-weight:500; transition:var(--transition); }
.see-all:hover { color:var(--neon2); }

/* ===== 推荐歌曲网格 ===== */
.tracks-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:20px;
}
.track-card {
  background:var(--card); border-radius:var(--radius);
  overflow:hidden; cursor:pointer; transition:var(--transition);
  border:1px solid var(--border);
}
.track-card:hover { transform:translateY(-6px); box-shadow:var(--shadow); border-color:var(--neon); }
.track-card-cover {
  aspect-ratio:1; position:relative;
  display:flex; align-items:center; justify-content:center;
  flex-direction:column;
}
.track-emoji { font-size:52px; filter:drop-shadow(0 2px 8px rgba(0,0,0,.4)); }
.track-play-btn {
  position:absolute; inset:0; display:flex;
  align-items:center; justify-content:center;
  background:rgba(0,0,0,.5); color:#fff;
  font-size:28px; opacity:0; transition:var(--transition);
  border-radius:0;
}
.track-card:hover .track-play-btn { opacity:1; }
.track-card-info { padding:14px; }
.track-card-title { font-weight:600; font-size:14px; margin-bottom:4px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.track-card-artist { color:var(--text2); font-size:13px; margin-bottom:10px; }
.track-card-meta { display:flex; align-items:center; justify-content:space-between; }
.genre-tag {
  background:rgba(139,92,246,.15); color:var(--neon);
  padding:3px 10px; border-radius:20px; font-size:11px; font-weight:500;
}
.track-price { color:var(--gold); font-size:13px; font-weight:600; }

/* ===== 风格分类 ===== */
.genres-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(140px,1fr));
  gap:14px;
}
.genre-card {
  border-radius:var(--radius); padding:24px 16px;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  cursor:pointer; transition:var(--transition); text-align:center;
  border:1px solid rgba(255,255,255,.08);
}
.genre-card:hover { transform:translateY(-4px) scale(1.03); box-shadow:0 8px 24px rgba(0,0,0,.4); }
.genre-emoji { font-size:32px; }
.genre-name { font-size:13px; font-weight:600; color:#fff; text-shadow:0 1px 4px rgba(0,0,0,.6); }

/* ===== 榜单预览 ===== */
.chart-preview-section { background:var(--bg2); max-width:100%; }
.chart-preview-section .section { max-width:900px; }
.chart-preview-list { display:flex; flex-direction:column; gap:10px; max-width:900px; margin:0 auto; padding:0 24px; }
.chart-row {
  display:flex; align-items:center; gap:16px;
  background:var(--card); border-radius:var(--radius-sm);
  padding:14px 18px; cursor:pointer; transition:var(--transition);
  border:1px solid var(--border);
}
.chart-row:hover { background:var(--card2); border-color:var(--neon); }
.chart-row-rank { font-family:'Orbitron',sans-serif; font-size:18px; font-weight:900; width:28px; text-align:center; }
.chart-row-cover {
  width:48px; height:48px; border-radius:8px;
  display:flex; align-items:center; justify-content:center; font-size:22px; flex-shrink:0;
}
.chart-row-info { flex:1; display:flex; flex-direction:column; gap:3px; }
.chart-row-title { font-size:15px; font-weight:600; }
.chart-row-artist { font-size:13px; color:var(--text2); }
.chart-row-plays { color:var(--text2); font-size:13px; }

/* ===== 创作者招募 Banner ===== */
.creator-banner {
  background:linear-gradient(135deg,rgba(139,92,246,.2),rgba(6,182,212,.15));
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  padding:60px 24px;
}
.creator-banner-inner {
  max-width:900px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:40px; flex-wrap:wrap;
}
.creator-banner-text h2 { font-family:'Orbitron',sans-serif; font-size:clamp(20px,3vw,28px); margin-bottom:12px; }
.creator-banner-text p { color:var(--text2); font-size:16px; line-height:1.6; }

/* ===== 套餐 ===== */
.plans-preview { background:var(--bg); }
.plans-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:24px; max-width:900px; margin:0 auto;
}
.plan-card {
  background:var(--card); border-radius:var(--radius);
  padding:32px 28px; border:1px solid var(--border);
  display:flex; flex-direction:column; gap:16px;
  transition:var(--transition); position:relative;
}
.plan-card:hover { border-color:var(--neon); box-shadow:var(--glow); }
.plan-featured {
  border-color:var(--neon); background:var(--card2);
  box-shadow:var(--glow);
}
.plan-badge {
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  background:linear-gradient(135deg,var(--neon),var(--neon2));
  color:#fff; padding:4px 18px; border-radius:20px; font-size:12px; font-weight:700;
}
.plan-name { font-size:18px; font-weight:700; }
.plan-price { font-family:'Orbitron',sans-serif; font-size:36px; color:var(--neon); }
.plan-price span { font-size:16px; color:var(--text2); }
.plan-features { display:flex; flex-direction:column; gap:10px; flex:1; }
.plan-features li { font-size:14px; color:var(--text2); padding-left:18px; position:relative; }
.plan-features li::before { content:'✓'; position:absolute; left:0; color:var(--neon); }

/* ===== Footer ===== */
.footer { background:var(--bg2); border-top:1px solid var(--border); padding:60px 24px 0; }
.footer-inner {
  max-width:1280px; margin:0 auto;
  display:flex; gap:60px; flex-wrap:wrap; padding-bottom:48px;
}
.footer-brand { flex:0 0 260px; }
.footer-brand .logo-text { font-size:14px; }
.footer-brand p { color:var(--text3); font-size:13px; margin-top:12px; line-height:1.6; }
.footer-links { display:flex; gap:48px; flex-wrap:wrap; flex:1; }
.footer-col { display:flex; flex-direction:column; gap:12px; }
.footer-col h4 { font-size:13px; font-weight:700; color:var(--text); letter-spacing:.5px; text-transform:uppercase; margin-bottom:4px; }
.footer-col a { font-size:14px; color:var(--text3); transition:var(--transition); }
.footer-col a:hover { color:var(--neon); }
.footer-bottom {
  border-top:1px solid var(--border); padding:20px 0; text-align:center;
  max-width:1280px; margin:0 auto;
  color:var(--text3); font-size:13px;
}

/* ===== 底部迷你播放器 ===== */
.mini-player {
  position:fixed; bottom:0; left:0; right:0; z-index:200;
  background:rgba(16,16,26,.95); backdrop-filter:blur(20px);
  border-top:1px solid var(--border);
  display:flex; align-items:center; gap:16px;
  padding:12px 24px; box-shadow:0 -8px 32px rgba(0,0,0,.5);
}
.mini-cover {
  width:44px; height:44px; border-radius:8px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:22px;
}
.mini-info { display:flex; flex-direction:column; gap:2px; min-width:120px; }
.mini-title { font-size:14px; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.mini-artist { font-size:12px; color:var(--text2); }
.mini-controls { display:flex; align-items:center; gap:12px; }
.mini-controls button { background:none; color:var(--text2); font-size:18px; transition:var(--transition); }
.mini-controls button:hover { color:var(--neon); }
.mini-play {
  width:36px; height:36px; border-radius:50%;
  background:var(--neon) !important; color:#fff !important;
  font-size:14px !important; display:flex; align-items:center; justify-content:center;
}
.mini-progress { flex:1; display:flex; flex-direction:column; gap:4px; }
.mini-bar { height:3px; background:var(--bg3); border-radius:2px; overflow:hidden; }
.mini-fill { height:100%; background:linear-gradient(90deg,var(--neon),var(--neon2)); transition:.3s; }
.mini-time { font-size:11px; color:var(--text3); }
.mini-close { background:none; color:var(--text3); font-size:16px; transition:var(--transition); }
.mini-close:hover { color:var(--text); }

/* ===== 响应式 ===== */
@media (max-width:1024px) {
  .hero { flex-direction:column; text-align:center; padding-top:120px; }
  .hero-cta { justify-content:center; }
  .hero-stats { justify-content:center; }
  .hero-visual { display:none; }
}
@media (max-width:768px) {
  .nav-links { display:none; }
  .btn-subscribe, .btn-login, .btn-register { display:none; }
  .menu-toggle { display:block; }
  .creator-banner-inner { flex-direction:column; text-align:center; }
  .footer-inner { flex-direction:column; gap:32px; }
  .footer-brand { flex:none; }
  .mini-progress { display:none; }
}
@media (max-width:480px) {
  .tracks-grid { grid-template-columns:repeat(2,1fr); }
  .genres-grid { grid-template-columns:repeat(2,1fr); }
  .plans-grid { grid-template-columns:1fr; }
}