/* === 流云音乐 公共基础样式 === */
:root{--bg:#fff;--bg2:#f5f5f7;--text:#1d1d1f;--text2:#86868b;--accent:#0071e3;--accent2:#0077ed;--border:#d2d2d7;--card-bg:#fff;--card-shadow:0 2px 12px rgba(0,0,0,.06);--tag-bg:#e8f5e9;--tag-color:#2e7d32;--sidebar-bg:#f9f9fb;--active-bg:#e8f0fe;--code-bg:#f4f4f5;--code-text:#1d1d1f}
[data-theme="dark"]{--bg:#000;--bg2:#1c1c1e;--text:#f5f5f7;--text2:#98989d;--accent:#0a84ff;--accent2:#409cff;--border:#424245;--card-bg:#1c1c1e;--card-shadow:0 2px 12px rgba(0,0,0,.3);--tag-bg:#1b3a1b;--tag-color:#66bb6a;--sidebar-bg:#111;--active-bg:#1a2a40;--code-bg:#2c2c2e;--code-text:#f5f5f7}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
/* 导航栏 */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--border);padding:0 24px;height:52px;display:flex;align-items:center;justify-content:space-between}
[data-theme="dark"] nav{background:rgba(0,0,0,.72)}
nav .logo{font-size:18px;font-weight:700;color:var(--text);text-decoration:none}
nav .logo-icon{width:18px;height:18px;vertical-align:text-bottom;margin-right:5px}
nav .nav-links{display:flex;align-items:center;gap:16px}
nav .nav-links a{color:var(--text2);font-size:14px;transition:color .2s;text-decoration:none}
nav .nav-links a:hover{color:var(--accent)}
#theme-toggle{background:none;border:1px solid var(--border);border-radius:20px;padding:4px 12px;font-size:13px;cursor:pointer;color:var(--text2);transition:all .2s}
#theme-toggle:hover{border-color:var(--accent);color:var(--accent)}
footer .logo-icon{width:14px;height:14px;vertical-align:text-bottom;margin-right:4px}