:root,:root[data-theme=night]{--bg: #0b0e14;--body-bg: radial-gradient(1100px 520px at 85% -10%, rgba(76, 194, 255, .1), transparent 60%), radial-gradient(900px 480px at -10% 8%, rgba(139, 123, 255, .09), transparent 55%), linear-gradient(180deg, #0e1322 0%, #0b0e14 48%, #0a0c13 100%)}:root[data-theme=bili]{color-scheme:light;--bg: #ffffff;--body-bg: #f6f7f8;--panel: #ffffff;--panel-2: #f1f2f3;--border: #e3e5e7;--border-soft: #e3e5e7;--text: #18191c;--text-2: #61666d;--muted: #9499a0;--accent: #fb7299;--accent-dim: #e05c8c;--accent-2: #00aeec;--grad-accent: linear-gradient(135deg, #fb7299 0%, #00aeec 100%);--gold: #e3b341;--panel-bg: #ffffff;--header-bg: rgba(255, 255, 255, .92);--chip-on-bg: linear-gradient(135deg, rgba(251, 114, 153, .1), rgba(0, 174, 236, .1));--cov-bg: linear-gradient(165deg, #e7e9ec, #d8dbe0);--hero-glow: radial-gradient(620px 260px at 72% 10%, rgba(251, 114, 153, .08), transparent 65%), radial-gradient(420px 220px at 30% 0%, rgba(0, 174, 236, .07), transparent 60%);--hero-grad: linear-gradient(100deg, #18191c 25%, #fb7299 65%, #00aeec 100%);--on-accent: #ffffff;--shadow-panel: 0 2px 10px rgba(0, 0, 0, .06)}:root{color-scheme:dark;--panel: #131822;--panel-2: #1a2130;--border: #24304a;--border-soft: #1b2336;--text: #e6edf3;--text-2: #aab6c5;--muted: #7d8a9c;--accent: #4cc2ff;--accent-dim: #2a7fb8;--accent-2: #8b7bff;--grad-accent: linear-gradient(135deg, #4cc2ff 0%, #8b7bff 100%);--good: #3fb950;--warn: #d29922;--bad: #f85149;--gold: #e3b341;--panel-bg: linear-gradient(165deg, #182031 0%, #141a28 55%, #111624 100%);--header-bg: linear-gradient(180deg, rgba(19, 25, 38, .94), rgba(11, 14, 20, .82));--chip-on-bg: linear-gradient(135deg, rgba(76, 194, 255, .12), rgba(139, 123, 255, .12));--cov-bg: linear-gradient(165deg, #1a2334, #121724);--hero-glow: radial-gradient(620px 260px at 72% 10%, rgba(76, 194, 255, .16), transparent 65%), radial-gradient(420px 220px at 30% 0%, rgba(139, 123, 255, .13), transparent 60%);--hero-grad: linear-gradient(100deg, #e6edf3 25%, #4cc2ff 65%, #a78bfa 100%);--on-accent: #071018;--shadow-panel: inset 0 1px 0 rgba(255, 255, 255, .04), 0 8px 24px rgba(0, 0, 0, .22);--fs-xs: .72rem;--fs-sm: .82rem;--fs-md: .94rem;--fs-lg: 1.15rem;--fs-xl: 1.45rem;--fs-2xl: 1.8rem;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--r-sm: 6px;--r-md: 10px;--r-lg: 14px;--touch: 44px}*{box-sizing:border-box}body{margin:0;background:var(--body-bg);background-attachment:fixed;color:var(--text);font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,system-ui,-apple-system,sans-serif;font-size:var(--fs-md);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}button{font:inherit}.wrap{max-width:1280px;margin:0 auto;padding:0 var(--sp-4)}.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-soft)}.site-header .wrap{display:flex;align-items:center;gap:var(--sp-4);height:56px}@font-face{font-family:FRLogo;src:url(/fonts/fr-logo-v2.woff) format("woff");font-display:swap}.logo{font-family:"FRLogo",var(--font-sans, sans-serif);font-synthesis:none;font-size:1.55rem;font-weight:400;color:var(--text);letter-spacing:.01em;display:flex;align-items:center;gap:var(--sp-2)}.logo .logo-mark{flex:none;display:block}.logo .dot{background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent}.site-nav{display:flex;gap:var(--sp-1);margin-left:auto}.site-nav a{color:var(--text-2);padding:0 var(--sp-3);height:var(--touch);display:flex;align-items:center;border-radius:var(--r-sm)}.site-nav a:hover{color:var(--text);background:var(--panel-2);text-decoration:none}.site-nav a[aria-current]{color:var(--text);text-decoration:none}.theme-btn{border:1px solid var(--border);background:var(--panel);color:var(--text-2);min-height:38px;width:38px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-sm);cursor:pointer}.theme-btn svg{width:18px;height:18px}.theme-btn .ic-sun,.theme-btn .ic-moon{display:none}html[data-theme=night] .theme-btn .ic-sun,html[data-theme=bili] .theme-btn .ic-moon{display:block}.theme-btn:hover{color:var(--text);border-color:var(--accent-dim)}.sec-head{display:flex;align-items:baseline;gap:var(--sp-3);margin:var(--sp-6) 0 var(--sp-3)}.sec-head h2{font-size:var(--fs-xl);margin:0}.sec-head .more{margin-left:auto;font-size:var(--fs-sm)}.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}@media(min-width:560px){.grid-cards{grid-template-columns:repeat(4,1fr)}}@media(min-width:820px){.grid-cards{grid-template-columns:repeat(5,1fr)}}@media(min-width:1120px){.grid-cards{grid-template-columns:repeat(6,1fr)}}.panel{background:var(--panel-bg);border:1px solid var(--border-soft);border-radius:var(--r-lg);padding:var(--sp-4);box-shadow:var(--shadow-panel)}.chip{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:var(--fs-xs);line-height:1.7;background:var(--panel-2);color:var(--text-2);border:1px solid var(--border-soft)}.chip.on{color:var(--accent);border-color:var(--accent-dim);background:var(--chip-on-bg)}.site-footer{margin-top:var(--sp-8, 48px);border-top:1px solid var(--border-soft);color:var(--muted);font-size:var(--fs-sm);padding:var(--sp-5) 0 var(--sp-6)}