:root{--bg-primary: #0a0e1a;--bg-card: rgba(17, 24, 45, .85);--bg-card-hover: rgba(22, 32, 58, .95);--bg-glow: rgba(56, 120, 255, .06);--border: rgba(56, 120, 255, .12);--border-hover: rgba(56, 120, 255, .3);--text-primary: #e8ecf4;--text-secondary: #8892a8;--text-muted: #5a6278;--accent: #3b82f6;--accent-glow: rgba(59, 130, 246, .25);--success: #22c55e;--success-bg: rgba(34, 197, 94, .12);--warning: #f59e0b;--warning-bg: rgba(245, 158, 11, .12);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .12);--info: #06b6d4;--info-bg: rgba(6, 182, 212, .12);--purple: #a855f7;--purple-bg: rgba(168, 85, 247, .12);--gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);--gradient-speed: linear-gradient(135deg, #06b6d4, #3b82f6);--radius: 16px;--radius-sm: 10px;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--font: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--mono: "JetBrains Mono", "SF Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 20% 50%,rgba(59,130,246,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(139,92,246,.06) 0%,transparent 50%),radial-gradient(ellipse at 50% 80%,rgba(6,182,212,.05) 0%,transparent 50%);animation:bgFloat 20s ease-in-out infinite alternate;z-index:0}@keyframes bgFloat{0%{transform:translate(0) rotate(0)}to{transform:translate(-2%,2%) rotate(2deg)}}.container{position:relative;z-index:1;max-width:960px;margin:0 auto;padding:32px 20px 60px}.header{text-align:center;margin-bottom:40px;position:relative;z-index:10}.header-top{display:flex;align-items:center;justify-content:center;gap:16px;position:relative}.header h1{font-size:2.2rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.header p{color:var(--text-secondary);margin-top:8px;font-size:.95rem}#lang-switcher-container{position:absolute;right:0;top:50%;transform:translateY(-50%)}.lang-switcher{position:relative}.lang-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;background:#ffffff0f;border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);font-family:var(--font);font-size:.78rem;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}.lang-btn:hover{border-color:var(--border-hover);color:var(--text-primary);background:#ffffff1a}.lang-icon{font-size:.9rem}.lang-arrow{font-size:.6rem;opacity:.6}.lang-dropdown{position:absolute;top:calc(100% + 6px);right:0;min-width:140px;background:#11182dfa;border:1px solid var(--border);border-radius:10px;padding:6px;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:0 8px 32px #0006;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all .2s ease;z-index:1000}.lang-dropdown.show{opacity:1;visibility:visible;transform:translateY(0)}.lang-option{padding:8px 14px;border-radius:6px;font-size:.82rem;color:var(--text-secondary);cursor:pointer;transition:all .15s;white-space:nowrap}.lang-option:hover{background:#3b82f61a;color:var(--text-primary)}.lang-option.active{background:#3b82f626;color:var(--accent);font-weight:600}html[dir=rtl] .header-top{flex-direction:row-reverse}html[dir=rtl] #lang-switcher-container,html[dir=rtl] .lang-dropdown{right:auto;left:0}html[dir=rtl] .card-title{flex-direction:row-reverse}html[dir=rtl] .status-bar{flex-direction:row-reverse;text-align:right}html[dir=rtl] .webrtc-row{flex-direction:row-reverse}html[dir=rtl] .webrtc-info{text-align:right}html[dir=rtl] .ip-block .ip-meta{justify-content:flex-end}html[dir=rtl] .btn-bar,html[dir=rtl] .speed-progress-text{flex-direction:row-reverse}html[dir=rtl] .footer{direction:rtl}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:20px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:border-color .3s,box-shadow .3s,transform .2s}.card:hover{border-color:var(--border-hover);box-shadow:0 0 40px #3b82f60f}.card-title{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:700;margin-bottom:20px}.card-title .icon{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}.icon-blue{background:#3b82f626}.icon-green{background:var(--success-bg)}.icon-purple{background:var(--purple-bg)}.icon-cyan{background:var(--info-bg)}.icon-orange{background:var(--warning-bg)}.ip-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:600px){.ip-grid{grid-template-columns:1fr}}.ip-block{background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;transition:border-color .3s}.ip-block:hover{border-color:var(--border-hover)}.ip-block .label{font-size:.78rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-weight:600;margin-bottom:8px}.ip-block .ip-value{font-family:var(--mono);font-size:1.35rem;font-weight:600;color:var(--text-primary);word-break:break-all}.ip-block .ip-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}.tag{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;padding:3px 10px;border-radius:20px;font-weight:500}.tag-blue{background:#3b82f61f;color:#60a5fa}.tag-green{background:var(--success-bg);color:var(--success)}.tag-orange{background:var(--warning-bg);color:var(--warning)}.tag-red{background:var(--danger-bg);color:var(--danger)}.tag-purple{background:var(--purple-bg);color:var(--purple)}.tag-cyan{background:var(--info-bg);color:var(--info)}.status-bar{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:var(--radius-sm);margin-bottom:20px;font-size:.9rem;font-weight:600}.status-direct{background:var(--success-bg);border:1px solid rgba(34,197,94,.2);color:var(--success)}.status-proxy{background:var(--info-bg);border:1px solid rgba(6,182,212,.2);color:var(--info)}.status-split{background:var(--purple-bg);border:1px solid rgba(168,85,247,.2);color:var(--purple)}.status-loading{background:#ffffff0a;border:1px solid var(--border);color:var(--text-secondary)}.webrtc-list{display:flex;flex-direction:column;gap:10px}.webrtc-row{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .3s}.webrtc-row:hover{border-color:var(--border-hover)}.webrtc-flag{font-size:1.6rem;line-height:1;flex-shrink:0}.webrtc-info{flex:1;min-width:0}.webrtc-ip{font-family:var(--mono);font-size:.88rem;font-weight:600;color:var(--warning)}.webrtc-geo{font-size:.78rem;color:var(--text-secondary);margin-top:3px}.webrtc-status{margin-top:14px;font-size:.85rem;display:flex;align-items:center;gap:8px}.conn-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}@media(max-width:600px){.conn-grid{grid-template-columns:repeat(2,1fr)}}.conn-item{text-align:center;padding:16px 8px;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .3s}.conn-item:hover{border-color:var(--border-hover)}.conn-item .conn-name{font-size:.82rem;font-weight:600;margin-bottom:6px}.conn-item .conn-result{font-family:var(--mono);font-size:.85rem;font-weight:600}.conn-item .conn-result.ok{color:var(--success)}.conn-item .conn-result.slow{color:var(--warning)}.conn-item .conn-result.fail{color:var(--danger)}.conn-item .conn-result.wait{color:var(--text-muted)}.speed-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}@media(max-width:600px){.speed-grid{grid-template-columns:repeat(2,1fr)}}.speed-item{text-align:center;padding:20px 12px;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .3s}.speed-item:hover{border-color:var(--border-hover)}.speed-item .speed-label{font-size:.72rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-weight:600;margin-bottom:8px}.speed-item .speed-value{font-family:var(--mono);font-size:1.6rem;font-weight:700}.speed-item .speed-unit{font-size:.75rem;color:var(--text-secondary);margin-top:2px}.speed-download .speed-value{color:var(--success)}.speed-upload .speed-value{color:var(--accent)}.speed-latency .speed-value{color:var(--warning)}.speed-jitter .speed-value{color:var(--purple)}.speed-progress-wrap{margin-bottom:16px}.speed-progress-bar{width:100%;height:6px;background:#ffffff0f;border-radius:3px;overflow:hidden}.speed-progress-fill{height:100%;background:var(--gradient-speed);border-radius:3px;width:0%;transition:width .3s ease}.speed-progress-text{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-top:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border:none;border-radius:var(--radius-sm);font-family:var(--font);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary{background:var(--gradient-speed);color:#fff;box-shadow:0 4px 16px #3b82f64d}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 24px #3b82f666}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-outline{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--border-hover);color:var(--text-primary)}.btn-bar{display:flex;gap:10px;flex-wrap:wrap}.skeleton{background:linear-gradient(90deg,#ffffff0a 25%,#ffffff14,#ffffff0a 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:6px;color:transparent!important}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.dot-pulse{display:inline-flex;gap:4px}.dot-pulse span{width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:dotBounce 1.4s ease-in-out infinite both}.dot-pulse span:nth-child(2){animation-delay:.16s}.dot-pulse span:nth-child(3){animation-delay:.32s}@keyframes dotBounce{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1.1)}}.footer{position:relative;z-index:1;text-align:center;margin-top:40px;color:var(--text-muted);font-size:.8rem}.footer a{color:var(--text-secondary);text-decoration:none}.footer a:hover{color:var(--accent)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.card{animation:fadeInUp .5s ease-out both}.card:nth-child(2){animation-delay:.08s}.card:nth-child(3){animation-delay:.16s}.card:nth-child(4){animation-delay:.24s}@media(max-width:600px){.header h1{font-size:1.6rem}.card{padding:20px}.ip-block .ip-value{font-size:1.1rem}.speed-item .speed-value{font-size:1.3rem}}.ad-slot{max-height:0;overflow:hidden;margin:0;padding:0;border-radius:var(--radius-sm);transition:max-height .4s ease,margin .4s ease}.ad-slot.ad-loaded{max-height:600px;margin:16px 0;overflow:visible}.seo-content{margin-top:32px;padding:24px 28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);font-size:.82rem;line-height:1.7}.seo-content h2{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:12px}.seo-content p{margin-bottom:8px}.seo-content p:last-child{margin-bottom:0}.page-header{position:sticky;top:0;z-index:100;background:#0a0e1ad9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.page-header-inner{max-width:960px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}.back-link{color:var(--text-secondary);text-decoration:none;font-size:.88rem;font-weight:500;transition:color .2s}.back-link:hover{color:var(--accent)}.footer-nav{display:flex;justify-content:center;gap:24px;margin-bottom:12px;flex-wrap:wrap}.footer-nav a{color:var(--text-secondary);text-decoration:none;font-size:.82rem;font-weight:500;transition:color .2s}.footer-nav a:hover{color:var(--accent)}.footer-company{font-size:.72rem;color:var(--text-muted);margin-top:6px}.prose-card{padding:32px}.prose-card h1{font-size:1.6rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.prose-card h2{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:16px}.prose-meta{font-size:.8rem;color:var(--text-muted);margin-bottom:28px}.prose h2{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-top:28px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border)}.prose h3{font-size:.92rem;font-weight:600;color:var(--text-primary);margin-top:20px;margin-bottom:8px}.prose p{color:var(--text-secondary);font-size:.88rem;line-height:1.8;margin-bottom:12px}.prose ul{padding-left:20px;margin-bottom:12px}.prose li{color:var(--text-secondary);font-size:.86rem;line-height:1.8;margin-bottom:6px}.prose li strong{color:var(--text-primary)}.prose a{color:var(--accent);text-decoration:none}.prose a:hover{text-decoration:underline}.contact-block{background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px;margin:16px 0}.contact-block p{font-size:.86rem;color:var(--text-secondary);margin-bottom:4px;line-height:1.6}.contact-block p strong{color:var(--text-primary)}.about-hero{text-align:center;padding:48px 32px}.about-hero h1{font-size:2.8rem}.about-tagline{color:var(--text-secondary);font-size:1.1rem;margin-top:8px;font-weight:500}.about-desc{color:var(--text-secondary);font-size:.9rem;line-height:1.8;max-width:640px;margin:16px auto 0}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}@media(max-width:600px){.feature-grid{grid-template-columns:1fr}}.feature-card{padding:28px;text-align:center}.feature-icon{font-size:2rem;margin-bottom:12px}.feature-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}.feature-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.7}.kb-header{text-align:center;margin-bottom:32px}.kb-header h1{font-size:1.8rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.kb-header p{color:var(--text-secondary);font-size:.95rem;margin-top:8px}.article-card{overflow:hidden}.article-header{display:flex;align-items:center;gap:14px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:opacity .2s}.article-header:hover{opacity:.85}.article-icon{font-size:1.6rem;flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:#3b82f61a;border-radius:var(--radius-sm)}.article-info{flex:1;min-width:0}.article-info h2{font-size:.98rem;font-weight:700;margin-bottom:4px}.article-excerpt{font-size:.8rem;color:var(--text-secondary);line-height:1.5}.article-toggle{font-size:1rem;color:var(--text-muted);transition:transform .3s;flex-shrink:0}.article-card.open .article-toggle{transform:rotate(180deg)}.article-body{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;padding:0}.article-card.open .article-body{max-height:2000px;padding-top:20px;border-top:1px solid var(--border);margin-top:16px}