*{margin:0;padding:0;box-sizing:border-box}
    :root{--bg-primary:#000;--bg-secondary:#0a0a0a;--bg-card:#161616;--text-primary:#fff;--text-secondary:#86868b;--accent:#0071e3;--accent-hover:#0077ed}
    html{scroll-behavior:smooth}
    body{font-family:'Inter','Noto Sans SC',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;overflow-x:hidden}
    nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(0,0,0,0.8);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,0.1)}
    .nav-content{max-width:1200px;margin:0 auto;padding:0 22px;height:52px;display:flex;align-items:center;justify-content:space-between}
    .logo{font-size:18px;font-weight:600;color:#fff;text-decoration:none}
    .nav-links{display:flex;gap:32px}
    .nav-links a{color:var(--text-secondary);text-decoration:none;font-size:14px;transition:color 0.3s}
    .nav-links a:hover{color:#fff}
    .hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 22px 80px;background:linear-gradient(180deg,#000 0%,#0a0a0a 100%);position:relative}
    .hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse at 50% 30%,rgba(0,113,227,0.15) 0%,transparent 60%);pointer-events:none}
    .hero h1{font-size:clamp(40px,8vw,80px);font-weight:700;line-height:1.05;letter-spacing:-0.02em;margin-bottom:24px;background:linear-gradient(135deg,#fff 0%,#999 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
    .hero p{font-size:clamp(20px,3vw,28px);color:var(--text-secondary);max-width:600px;margin-bottom:16px}
    .hero .tagline{font-size:18px;color:var(--accent);margin-bottom:48px}
    .hero-cta{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}
    .btn{display:inline-flex;align-items:center;gap:8px;padding:16px 32px;border-radius:980px;font-size:17px;font-weight:500;text-decoration:none;transition:all 0.3s}
    .btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}
    .btn-secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)}.btn-secondary:hover{background:rgba(0,113,227,0.1)}
    .stats-bar{background:var(--bg-secondary);padding:60px 22px;border-top:1px solid rgba(255,255,255,0.1);border-bottom:1px solid rgba(255,255,255,0.1)}
    .stats-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center}
    .stat-item h3{font-size:48px;font-weight:700;color:var(--accent);margin-bottom:8px}
    .stat-item p{color:var(--text-secondary);font-size:14px}
    section{padding:100px 22px}
    .section-dark{background:var(--bg-secondary)}
    .container{max-width:1200px;margin:0 auto}
    .section-header{text-align:center;margin-bottom:80px}
    .section-header h2{font-size:clamp(32px,5vw,56px);font-weight:700;margin-bottom:16px}
    .section-header p{font-size:20px;color:var(--text-secondary);max-width:600px;margin:0 auto}
    .services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
    .service-card{background:var(--bg-card);border-radius:24px;padding:48px 32px;text-align:center;transition:transform 0.3s,box-shadow 0.3s;border:1px solid rgba(255,255,255,0.05)}
    .service-card:hover{transform:translateY(-8px);box-shadow:0 20px 60px rgba(0,0,0,0.5);border-color:rgba(255,255,255,0.1)}
    .service-icon{font-size:56px;margin-bottom:24px}
    .service-card h3{font-size:24px;margin-bottom:12px}
    .service-card p{color:var(--text-secondary);font-size:15px;line-height:1.6}
    .works-grid{display:grid;grid-template-columns:repeat(1fr, 1fr);gap:32px;justify-content:center;max-width:600px;margin:0 auto}
    .work-item{background:var(--bg-card);border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,0.05);transition:all 0.4s cubic-bezier(0.4,0,0.2,1);cursor:pointer}
    .work-item:hover{transform:translateY(-8px) scale(1.01);box-shadow:0 40px 100px rgba(0,0,0,0.6);border-color:rgba(255,255,255,0.15)}
    .work-thumb{width:100%;aspect-ratio:16/9;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.work-thumb-img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0}.work-thumb video{width:100%;height:100%;object-fit:cover;display:block}
    .work-thumb-bg{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative;background-size:cover;background-position:center}
    .work-thumb-bg::before{content:'';position:absolute;inset:0;background:rgba(0,0,0,0.35);z-index:1}
    .work-thumb-bg.ping-an{background:linear-gradient(135deg,#1a1a2e,#16213e),url(thumbs/平安银行完整版aco_2.7_3.mp4.jpg);background-image:url(thumbs/平安银行完整版aco_2.7_3.mp4.jpg)}
    .work-thumb-bg.xiecheng{background:linear-gradient(135deg,#1e3a5f,#2d5a87),url(thumbs/携程_郑凯.mov.jpg);background-image:url(thumbs/携程_郑凯.mov.jpg)}
    .work-thumb-bg.qintian{background:linear-gradient(135deg,#2d1b4e,#4a2c6a),url(thumbs/沁甜之境.mp4.jpg);background-image:url(thumbs/沁甜之境.mp4.jpg)}
    .work-thumb-bg.heishenhua{background:linear-gradient(135deg,#1a0a0a,#3d1515),url(thumbs/清溪镇黑神话风格AI宣传片.mp4.jpg);background-image:url(thumbs/清溪镇黑神话风格AI宣传片.mp4.jpg)}
    .work-thumb-brand{position:absolute;bottom:20px;left:20px;right:20px}
    .work-thumb-brand h4{font-size:24px;font-weight:600;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,0.5)}
    .work-thumb-brand p{font-size:14px;color:rgba(255,255,255,0.7);margin-top:4px}
    .play-btn{width:80px;height:80px;border-radius:50%;background:rgba(255,255,255,0.95);display:flex;align-items:center;justify-content:center;transition:all 0.4s cubic-bezier(0.4,0,0.2,1);box-shadow:0 8px 40px rgba(0,0,0,0.4);position:relative;z-index:2}
    .play-btn::after{content:'';width:100%;height:100%;border-radius:50%;background:rgba(255,255,255,0.3);position:absolute;animation:pulse 2s infinite}
    @keyframes pulse{0%{transform:scale(1);opacity:0.5}100%{transform:scale(1.4);opacity:0}}
    .play-btn svg{width:32px;height:32px;fill:#000;margin-left:4px}
    .work-item:hover .play-btn{transform:scale(1.1);background:#fff}
    .work-info{padding:28px 32px}
    .work-info h3{font-size:20px;margin-bottom:8px}
    .work-info p{color:var(--text-secondary);font-size:14px;line-height:1.6}
    .work-tag{display:inline-block;background:rgba(0,113,227,0.2);color:var(--accent);padding:6px 14px;border-radius:980px;font-size:13px;margin-top:14px}
    .team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;max-width:900px;margin:0 auto}
    .team-card{background:var(--bg-card);border-radius:24px;padding:48px;border:1px solid rgba(255,255,255,0.05)}
    .team-card h3{font-size:28px;margin-bottom:4px}
    .team-card .en-name{color:var(--text-secondary);font-size:14px;margin-bottom:20px}
    .team-card .title{color:var(--accent);font-size:16px;margin-bottom:20px}
    .team-card p{color:var(--text-secondary);font-size:15px;line-height:1.7;margin-bottom:16px}
    .team-card ul{list-style:none;color:var(--text-secondary);font-size:14px}
    .team-card li{margin-bottom:8px;padding-left:20px;position:relative}
    .team-card li::before{content:'•';position:absolute;left:0;color:var(--accent)}
    .video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .video-card{background:var(--bg-card);border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,0.05);transition:all 0.3s;cursor:pointer}
    .video-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,0.5);border-color:rgba(255,255,255,0.1)}
    .video-card-thumb{aspect-ratio:16/9;position:relative;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center}
    .video-card-play{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,0.9);display:flex;align-items:center;justify-content:center;transition:all 0.3s;z-index:2}
    .video-card:hover .video-card-play{transform:scale(1.1);background:#fff}
    .video-card-play svg{width:20px;height:20px;fill:#000;margin-left:2px}
    .video-card-info{padding:16px}
    .video-card-info h4{font-size:14px;font-weight:500;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .video-card-info p{color:var(--text-secondary);font-size:12px}
    .video-modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.95);z-index:2000;align-items:center;justify-content:center;animation:fadeIn 0.3s ease}
    .video-modal.active{display:flex}
    @keyframes fadeIn{from{opacity:0}to{opacity:1}}
    .modal-content{width:90%;max-width:1000px;position:relative}
    .modal-video-wrapper{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:16px;overflow:hidden}
    .modal-video-wrapper video{width:100%;height:100%;object-fit:contain}
    .modal-close{position:absolute;top:-50px;right:0;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,0.1);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background 0.3s}
    .modal-close:hover{background:rgba(255,255,255,0.2)}
    .modal-close svg{width:20px;height:20px;fill:#fff}
    .modal-title{color:#fff;font-size:18px;margin-top:16px;text-align:center}
    .clients-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;text-align:center}
    .client-item{background:var(--bg-card);padding:24px 16px;border-radius:16px;font-size:16px;font-weight:600;color:var(--text-secondary);border:1px solid rgba(255,255,255,0.05);transition:all 0.3s}
    .client-item:hover{color:#fff;border-color:var(--accent);transform:translateY(-4px)}
    .contact-section{background:var(--bg-secondary)}
    .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;max-width:1000px;margin:0 auto}
    .contact-info h3{font-size:36px;margin-bottom:24px}
    .contact-info p{color:var(--text-secondary);font-size:18px;line-height:1.7;margin-bottom:32px}
    .contact-item{display:flex;align-items:center;gap:16px;margin-bottom:20px;font-size:17px}
    .contact-item span{color:var(--text-secondary);width:60px}
    .contact-form{background:var(--bg-card);padding:40px;border-radius:24px;border:1px solid rgba(255,255,255,0.05)}
    .form-group{margin-bottom:20px}
    .form-group label{display:block;font-size:14px;color:var(--text-secondary);margin-bottom:8px}
    .form-group input,.form-group textarea{width:100%;padding:14px 16px;background:rgba(255,255,255,0.05);border:1px solid rgba(255,255,255,0.1);border-radius:12px;color:#fff;font-size:16px;font-family:inherit;transition:border-color 0.3s}
    .form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
    .form-group textarea{resize:vertical;min-height:120px}
    .form-submit{width:100%;padding:16px;background:var(--accent);color:#fff;border:none;border-radius:12px;font-size:17px;font-weight:600;cursor:pointer;transition:background 0.3s}
    .form-submit:hover{background:var(--accent-hover)}
    footer{background:#000;padding:60px 22px;border-top:1px solid rgba(255,255,255,0.1);text-align:center}
    footer p{color:var(--text-secondary);font-size:14px}
    footer a{color:var(--accent);text-decoration:none}
    @media(max-width:1024px){.video-grid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:768px){.nav-links{display:none}.stats-grid{grid-template-columns:repeat(2,1fr)}.services-grid,.works-grid,.team-grid,.contact-grid{grid-template-columns:1fr}.clients-grid{grid-template-columns:repeat(2,1fr)}.video-grid{grid-template-columns:repeat(2,1fr)}.modal-content{width:95%}}
    @media(max-width:480px){.video-grid{grid-template-columns:1fr}}