*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,'PingFang SC','Microsoft YaHei','Segoe UI',Roboto,Helvetica,Arial,sans-serif;background-color:#f9f9f9;color:#2D2D2D;line-height:1.5}.container{max-width:1280px;margin:0 auto;padding:0 24px}section{padding:60px 0;border-bottom:1px solid rgba(0,0,0,0.05)}section:last-child{border-bottom:none}.section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:40px;color:#1e1e1e;letter-spacing:-0.3px}.section-sub{text-align:center;color:#666;margin-top:-30px;margin-bottom:40px;font-size:16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:40px;font-weight:600;font-size:14px;cursor:pointer;transition:all 0.2s ease;text-decoration:none;border:none;background:none;font-family:inherit}.btn-primary{background:linear-gradient(135deg,#FF6A8A 0%,#FF4D6C 100%);color:white;box-shadow:0 4px 10px rgba(255,77,108,0.2)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,77,108,0.3)}.btn-outline{background:transparent;border:1.5px solid #FF6A8A;color:#FF4D6C}.btn-outline:hover{background:rgba(255,106,138,0.08);transform:translateY(-2px)}.btn-vip{background:linear-gradient(135deg,#FFD700,#FFB347);color:#2D2D2D;font-weight:bold}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.card{background:white;border-radius:20px;overflow:hidden;transition:all 0.25s ease;box-shadow:0 4px 12px rgba(0,0,0,0.04);cursor:pointer}.card:hover{transform:translateY(-6px);box-shadow:0 20px 30px -12px rgba(0,0,0,0.12)}.card-img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;background:#f0f0f0}.card-content{padding:16px}.card-title{font-weight:700;font-size:18px;margin-bottom:6px}.card-desc{color:#6c757d;font-size:14px;margin-bottom:12px}.card-stat{font-size:12px;color:#999;display:flex;align-items:center;gap:12px}.scroll-x{overflow-x:auto;display:flex;gap:20px;scrollbar-width:thin;padding-bottom:8px}.scroll-x::-webkit-scrollbar{height:6px}.scroll-x-card{flex:0 0 260px;background:white;border-radius:20px;overflow:hidden;transition:all 0.2s;cursor:pointer}.scroll-x-card:hover{transform:translateY(-4px);box-shadow:0 12px 20px rgba(0,0,0,0.1)}.hero{background:linear-gradient(145deg,#fff5f7 0%,#ffffff 100%);padding:50px 0 30px;border-bottom:none}.hero-wrapper{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}.hero-left{flex:1;min-width:280px}.hero-right{flex:1;min-width:280px;display:flex;justify-content:center}.hero-left h1{font-size:48px;font-weight:800;background:linear-gradient(135deg,#FF4D6C,#FF8C42);background-clip:text;-webkit-background-clip:text;color:transparent;margin-bottom:16px}.hero-left p{font-size:20px;color:#5a5a5a;margin-bottom:32px}.hero-buttons{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:40px}.bird-browser-demo{background:#1a1e2b;border-radius:28px;box-shadow:0 25px 45px -12px rgba(0,0,0,0.35);padding:12px 12px 8px 12px;width:100%;max-width:480px;transition:all 0.3s ease}.browser-bar{display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,0.1);margin-bottom:16px}.browser-dot{width:12px;height:12px;border-radius:50%;background:#ff5f57}.browser-dot:nth-child(2){background:#febc2e}.browser-dot:nth-child(3){background:#2ac840}.browser-url{background:rgba(255,255,255,0.15);border-radius:40px;padding:4px 12px;font-size:12px;color:#ddd;font-family:monospace;margin-left:12px}.connection-visual{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:20px 10px}.device-row{display:flex;align-items:center;justify-content:space-around;width:100%;flex-wrap:wrap;gap:20px}.device-icon{background:#2d3246;border-radius:28px;padding:12px 20px;display:flex;flex-direction:column;align-items:center;gap:8px;font-size:13px;color:white;min-width:100px}.pulse-circle{background:linear-gradient(145deg,#40c9ff,#e81cff);width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;animation:pulseGlow 1.8s infinite;font-size:26px}@keyframes pulseGlow{0%{box-shadow:0 0 0 0 rgba(64,201,255,0.5);transform:scale(1)}70%{box-shadow:0 0 0 15px rgba(64,201,255,0);transform:scale(1.02)}100%{box-shadow:0 0 0 0 rgba(64,201,255,0);transform:scale(1)}}.data-line{width:80%;height:2px;background:linear-gradient(90deg,#40c9ff,#e81cff,#40c9ff);background-size:200% auto;animation:flowLine 2s linear infinite;border-radius:2px}@keyframes flowLine{0%{background-position:0% center}100%{background-position:200% center}}.status-text{font-size:14px;font-weight:500;background:rgba(255,255,255,0.1);backdrop-filter:blur(4px);border-radius:100px;padding:6px 16px;color:#a5f0ff;letter-spacing:1px}.func-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:18px;margin:30px 0 20px}.func-item{background:white;padding:12px 24px;border-radius:50px;font-weight:600;box-shadow:0 2px 6px rgba(0,0,0,0.04);transition:all 0.2s;cursor:pointer}.func-item:hover{transform:translateY(-2px);background:#FF6A8A;color:white}.tabs{display:flex;justify-content:center;gap:12px;margin-bottom:30px;flex-wrap:wrap}.tab{padding:8px 24px;border-radius:40px;background:#eee;cursor:pointer;font-weight:500;transition:0.2s}.tab.active{background:#FF4D6C;color:white}.social-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.social-card{background:white;border-radius:20px;overflow:hidden}.social-user{display:flex;align-items:center;gap:12px;padding:12px 16px}.avatar{width:40px;height:40px;border-radius:50%;background:#ddd}.interact{padding:12px 16px;border-top:1px solid #f0f0f0;display:flex;gap:20px;color:#6c757d}

.site-nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0;flex-wrap:wrap;gap:12px}.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}.nav-logo img{height:44px;width:auto;border-radius:10px}.nav-logo span{font-weight:600;font-size:1.2rem;color:#1e1e1e}.nav-links{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.nav-links a{text-decoration:none;color:#444;font-weight:500;font-size:15px;transition:0.2s}.nav-links a:hover{color:#FF4D6C}

.article-page{padding:40px 0}.article-page h1{font-size:36px;font-weight:800;margin-bottom:12px}.article-date{color:#999;font-size:14px;margin-bottom:30px}.article-card{background:white;border-radius:24px;padding:40px;box-shadow:0 4px 14px rgba(0,0,0,0.04)}.article-card h2{font-size:22px;font-weight:700;margin:28px 0 12px;color:#1e1e1e}.article-card h2:first-child{margin-top:0}.article-card p{font-size:16px;line-height:1.8;color:#444;margin-bottom:14px}.article-card ul,.article-card ol{padding-left:24px;margin:10px 0 16px;color:#444}.article-card li{margin-bottom:6px;font-size:15px;line-height:1.7}.article-card strong{color:#1e1e1e}.breadcrumb{padding:8px 0;font-size:14px;color:#999;margin-bottom:10px}.breadcrumb a{color:#666;text-decoration:none}.breadcrumb a:hover{color:#FF4D6C}

.download-hero-section{padding:50px 0 30px;text-align:center}.download-hero-section h1{font-size:38px;font-weight:800;margin-bottom:10px}.download-hero-section p{color:#666;font-size:17px;max-width:600px;margin:0 auto 30px}.download-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:20px 0 50px}.download-card-item{background:white;border-radius:24px;padding:32px 24px;text-align:center;box-shadow:0 4px 14px rgba(0,0,0,0.04);transition:0.2s}.download-card-item:hover{transform:translateY(-4px);box-shadow:0 16px 30px -10px rgba(0,0,0,0.1)}.download-card-item .d-icon{font-size:44px;margin-bottom:14px}.download-card-item h3{font-size:18px;font-weight:700;margin-bottom:8px}.download-card-item p{color:#777;font-size:14px;margin-bottom:18px;line-height:1.6}.download-info-block{background:white;border-radius:24px;padding:36px;box-shadow:0 4px 14px rgba(0,0,0,0.04);margin-bottom:40px}.download-info-block h2{font-size:22px;font-weight:700;margin:24px 0 12px;color:#1e1e1e}.download-info-block h2:first-child{margin-top:0}.download-info-block p{font-size:15px;line-height:1.8;color:#555;margin-bottom:10px}

.faq-list{padding:20px 0 50px}.faq-item-card{background:white;border-radius:20px;padding:24px 28px;margin-bottom:16px;box-shadow:0 4px 12px rgba(0,0,0,0.03);transition:0.2s}.faq-item-card:hover{box-shadow:0 8px 20px rgba(0,0,0,0.06)}.faq-item-card h4{font-size:18px;font-weight:700;margin-bottom:8px;color:#1e1e1e}.faq-item-card p{color:#666;font-size:15px;line-height:1.7}

.error-block{text-align:center;padding:100px 0}.error-num{font-size:100px;font-weight:900;background:linear-gradient(135deg,#FF4D6C,#FF8C42);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.error-block h2{font-size:24px;margin:10px 0}.error-block p{color:#666;margin-bottom:28px}.error-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

.sitemap-wrap{padding:40px 0}.sitemap-wrap h1{font-size:32px;font-weight:800;margin-bottom:30px}.sitemap-group{background:white;border-radius:20px;padding:24px 28px;margin-bottom:18px;box-shadow:0 4px 12px rgba(0,0,0,0.03)}.sitemap-group h2{font-size:20px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:3px solid #FF6A8A;display:inline-block}.sitemap-group ul{list-style:none}.sitemap-group li{padding:6px 0}.sitemap-group a{color:#555;text-decoration:none;font-size:15px;transition:0.2s}.sitemap-group a:hover{color:#FF4D6C}

.site-footer{background:white;border-radius:32px 32px 20px 20px;padding:36px 32px;margin:40px 0 16px;box-shadow:0 -4px 20px rgba(0,0,0,0.02)}.footer-cols{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}.footer-col{flex:1 1 160px}.footer-col h5{font-weight:700;margin-bottom:12px;font-size:15px}.footer-col ul{list-style:none}.footer-col li{margin-bottom:6px;opacity:0.7;font-size:14px}.footer-col a{color:inherit;text-decoration:none}.footer-col a:hover{color:#FF4D6C}.footer-copy{text-align:center;padding:16px 0 0;font-size:13px;color:#999;border-top:1px solid #f0f0f0;margin-top:20px}

@media (max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.download-cards{grid-template-columns:repeat(2,1fr)}.hero-left h1{font-size:36px}.hero-wrapper{flex-direction:column;text-align:center}.hero-buttons{justify-content:center}}
@media (max-width:768px){.container{padding:0 16px}section{padding:40px 0}.grid-4,.grid-3,.download-cards{grid-template-columns:1fr}.hero-left h1{font-size:28px}.hero-left p{font-size:16px}.section-title{font-size:26px}.bird-browser-demo{max-width:100%}.article-card{padding:24px}.func-grid{gap:10px}.site-nav{flex-direction:column;align-items:flex-start}.article-page h1{font-size:26px}}