*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--bg-deep:#06060f;--bg-surface:#0c0c1e;--bg-card:#111128;--accent-violet:#8B5CF6;--accent-cyan:#06D6A0;--accent-coral:#FF6B6B;--text-primary:#E8E6F0;--text-secondary:#9B97B0;--text-dim:#5C5878;--glow-violet:rgba(139,92,246,0.35);--radius:16px}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Outfit','Noto Serif SC',sans-serif;background:var(--bg-deep);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased}
::selection{background:var(--accent-violet);color:#fff}
a{color:inherit;text-decoration:none}
.nav{position:sticky;top:0;z-index:100;padding:20px 40px;display:flex;align-items:center;justify-content:space-between;background:rgba(6,6,15,0.85);backdrop-filter:blur(20px);border-bottom:1px solid rgba(139,92,246,0.1)}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:'Noto Serif SC',serif;font-weight:900;font-size:1.3rem}
.nav-logo img{width:32px;height:32px;border-radius:8px;object-fit:cover}
.nav-right{display:flex;align-items:center;gap:24px}
.nav-back{font-size:.85rem;color:var(--text-secondary);transition:color .3s}
.nav-back:hover{color:var(--text-primary)}
.lang-switcher{position:relative;cursor:pointer;user-select:none}
.lang-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);color:var(--text-secondary);font-size:.82rem;transition:border-color .2s,color .2s}
.lang-btn:hover{border-color:rgba(139,92,246,0.3);color:var(--text-primary)}
.lang-btn svg{transition:transform .2s}
.lang-switcher.open .lang-btn svg{transform:rotate(180deg)}
.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;min-width:120px;background:var(--bg-surface);border:1px solid rgba(255,255,255,0.08);border-radius:10px;padding:4px;opacity:0;pointer-events:none;transform:translateY(-8px);transition:opacity .2s,transform .2s;box-shadow:0 12px 40px rgba(0,0,0,0.5)}
.lang-switcher.open .lang-dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}
.lang-option{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:7px;font-size:.82rem;color:var(--text-secondary);cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}
.lang-option:hover{background:rgba(139,92,246,0.1);color:var(--text-primary)}
.lang-option.active{color:var(--accent-violet);font-weight:600}
.lang-option .check{margin-left:auto;opacity:0}
.lang-option.active .check{opacity:1}
.content{max-width:800px;margin:0 auto;padding:60px 24px 80px}
.content-label{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--accent-violet);text-transform:uppercase;letter-spacing:2px;margin-bottom:16px}
.content-label .line{width:24px;height:1px;background:var(--accent-violet)}
.content h1{font-family:'Noto Serif SC',serif;font-weight:900;font-size:clamp(2rem,4vw,2.8rem);margin-bottom:8px}
.content .updated{font-size:.85rem;color:var(--text-dim);margin-bottom:40px}
.content-section{margin-bottom:36px}
.content-section h2{font-family:'Noto Serif SC',serif;font-weight:700;font-size:1.2rem;margin-bottom:12px;color:var(--text-primary)}
.content-section p{font-size:.95rem;color:var(--text-secondary);line-height:1.8;margin-bottom:10px}
.content-section ul{list-style:none;padding-left:0}
.content-section li{font-size:.95rem;color:var(--text-secondary);line-height:1.8;padding-left:20px;position:relative;margin-bottom:6px}
.content-section li::before{content:'';position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--accent-violet)}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:24px}
.contact-card{padding:28px 24px;background:var(--bg-card);border-radius:var(--radius);border:1px solid rgba(255,255,255,0.04);transition:transform .3s,border-color .3s}
.contact-card:hover{transform:translateY(-4px);border-color:rgba(139,92,246,0.15)}
.contact-card .icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.2rem}
.contact-card h3{font-family:'Noto Serif SC',serif;font-weight:700;font-size:1.05rem;margin-bottom:6px}
.contact-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.6}
.contact-card a{color:var(--accent-cyan);font-size:.9rem;word-break:break-all}
.footer{padding:32px 24px;border-top:1px solid rgba(255,255,255,0.04);text-align:center}
.footer p{font-size:.8rem;color:var(--text-dim)}
@media(max-width:600px){.nav{padding:16px 20px}.content{padding:40px 20px 60px}}