:root{--bg-color:#050507;--surface-color:#14141699;--surface-border:#ffffff0f;--text-primary:#f5f5f7;--text-secondary:#86868b;--accent-gradient:linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);--glass-bg:#050507d9}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{background:0 0;width:0}.container{max-width:1200px;margin:0 auto;padding:0 24px}.reveal{opacity:0;filter:blur(12px);transition:opacity 1.2s cubic-bezier(.16,1,.3,1),transform 1.2s cubic-bezier(.16,1,.3,1),filter 1.2s cubic-bezier(.16,1,.3,1);transform:translateY(60px)scale(.96)}.reveal.active{opacity:1;filter:blur();transform:translateY(0)scale(1)}.global-logo{z-index:1001;pointer-events:none;background:0 0;border-bottom:none;justify-content:flex-start;align-items:center;width:100%;height:60px;padding-left:24px;display:flex;position:fixed;top:0;left:0}.brand-logo{pointer-events:auto;align-items:center;gap:8px;text-decoration:none;transition:opacity .3s;display:flex}.brand-logo:hover{opacity:.8}.logo-img{width:28px;height:28px}.logo-text{color:var(--text-primary);letter-spacing:1px;font-size:1.15rem;font-weight:800}.hero{text-align:center;background:radial-gradient(circle at 50% 50%, #0072ff1a 0%, var(--bg-color) 60%);z-index:1;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100vh;min-height:600px;display:flex;position:fixed;top:0;left:0}.hero-content{padding:0 20px;transition:opacity .1s linear}.hero h1{letter-spacing:-2px;background:linear-gradient(#fff 0%,#a1a1aa 100%);-webkit-text-fill-color:transparent;opacity:0;-webkit-background-clip:text;background-clip:text;margin-bottom:24px;font-size:clamp(2.5rem,6vw,4.5rem);font-weight:800;line-height:1.15;animation:1.5s cubic-bezier(.16,1,.3,1) .2s forwards heroFadeIn}.hero p{color:var(--text-secondary);opacity:0;max-width:600px;margin:0 auto 8px;font-size:clamp(1.1rem,2.5vw,1.5rem);font-weight:300;animation:1.5s cubic-bezier(.16,1,.3,1) .5s forwards heroFadeIn}.hero-accent{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}@keyframes heroFadeIn{0%{opacity:0;filter:blur(10px);transform:translateY(30px)scale(.98)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}.scroll-indicator{opacity:0;cursor:pointer;pointer-events:auto;flex-direction:column;align-items:center;animation:1s 1.2s forwards heroFadeIn;display:flex;position:absolute;bottom:40px}.scroll-indicator span{color:var(--text-secondary);letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;font-size:.8rem}.scroll-indicator .line{background:linear-gradient(to bottom, var(--text-secondary), transparent);width:1px;height:40px;animation:2s infinite scrollPulse}@keyframes scrollPulse{0%{transform-origin:top;opacity:1;transform:scaleY(0)}50%{transform-origin:top;opacity:1;transform:scaleY(1)}50.1%{transform-origin:bottom;opacity:1;transform:scaleY(1)}to{transform-origin:bottom;opacity:0;transform:scaleY(0)}}.sticky-wrapper{z-index:2;background:var(--bg-color);min-height:100vh;margin-top:100vh;position:relative}.navbar-wrapper{z-index:1000;width:100%;position:sticky;top:0}.navbar{background:var(--glass-bg);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--surface-border);justify-content:center;align-items:center;height:60px;display:flex}.nav-container{justify-content:center;width:100%;height:100%;display:flex;position:relative}.nav-tabs{justify-content:center;align-items:center;gap:60px;height:100%;display:flex;position:relative}.tab-btn{color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:none;height:100%;font-family:inherit;font-size:1rem;font-weight:400;transition:color .3s}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--text-primary);font-weight:600}.tab-indicator{background:var(--accent-gradient);border-radius:2px 2px 0 0;width:0;height:2px;transition:transform .4s cubic-bezier(.16,1,.3,1),width .4s cubic-bezier(.16,1,.3,1);position:absolute;bottom:-1px;left:0;box-shadow:0 -2px 10px #00c6ff80}.content-section{min-height:80vh;padding:100px 0}.tab-content{opacity:0;filter:blur(5px);transition:all .6s cubic-bezier(.16,1,.3,1);display:none;transform:translateY(20px)}.tab-content.active{display:block}.tab-content.fade-in{opacity:1;filter:blur();transform:translateY(0)}.section-header{text-align:center;margin-bottom:80px}.section-header h2{letter-spacing:-1px;margin-bottom:16px;font-size:clamp(2rem,4vw,3rem);font-weight:800}.section-header p{color:var(--text-secondary);font-size:clamp(1rem,2vw,1.2rem)}.spot-card{position:relative;overflow:hidden}.spot-card:before{content:"";background:radial-gradient(600px circle at var(--mouse-x,0) var(--mouse-y,0), #ffffff14, transparent 40%);opacity:0;pointer-events:none;z-index:1;transition:opacity .5s;position:absolute;inset:0}.spot-card:hover:before{opacity:1}.spot-card .card-inner,.spot-card .value-step,.spot-card h3{z-index:2;position:relative}.grid-2x2{grid-template-columns:repeat(2,1fr);gap:32px;display:grid}.card-3d{background:var(--surface-color);border:1px solid var(--surface-border);transform-style:preserve-3d;border-radius:24px;padding:48px;transition:border-color .5s,box-shadow .5s,transform .1s;position:relative;transform:perspective(1000px)}@media (hover:hover) and (pointer:fine){.card-3d:hover{border-color:#ffffff26;box-shadow:0 20px 40px #000c}.card-inner{pointer-events:none;transition:transform .3s ease-out;transform:translateZ(30px)}}.card-icon{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;align-items:center;width:48px;height:48px;margin-bottom:24px;font-size:2rem;font-weight:700;display:flex}.card-3d h3{margin-bottom:16px;font-size:1.4rem;font-weight:600}.card-3d p{color:var(--text-secondary);font-size:1rem;line-height:1.7}.value-grid{grid-template-columns:repeat(2,1fr);gap:32px;display:grid}.value-card{background:var(--surface-color);border:1px solid var(--surface-border);border-radius:24px;padding:40px 32px;transition:all .5s}.value-card:hover{border-color:#ffffff26;transform:translateY(-4px);box-shadow:0 10px 30px #00000080}.value-card h3{color:var(--text-primary);border-bottom:1px solid var(--surface-border);margin-bottom:32px;padding-bottom:16px;font-size:1.3rem;font-weight:600}.value-step{margin-bottom:24px;padding-left:20px;position:relative}.value-step:last-child{margin-bottom:0}.step-label{letter-spacing:1px;margin-bottom:8px;font-size:.85rem;font-weight:600;display:inline-block}.value-step p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.value-step.pain{border-left:2px solid #ff453a66}.value-step.pain .step-label{color:#ff453a;text-shadow:0 0 10px #ff453a4d}.value-step.solution{border-left:2px solid #0a84ff66}.value-step.solution .step-label{color:#0a84ff;text-shadow:0 0 10px #0a84ff4d}.value-step.result{border-left:2px solid #30d15866}.value-step.result .step-label{color:#30d158;text-shadow:0 0 10px #30d1584d}.project-row{justify-content:space-between;align-items:center;gap:80px;margin-bottom:120px;display:flex}.project-row:nth-child(2n){flex-direction:row-reverse}.project-info{flex:1}.project-info h3{margin-bottom:24px;font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.3}.tag{color:#00c6ff;background:#00c6ff1a;border-radius:20px;margin-bottom:24px;padding:6px 16px;font-size:.85rem;font-weight:600;display:inline-block}.project-info h4{color:var(--text-primary);margin:24px 0 8px;font-size:1.1rem}.project-info p{color:var(--text-secondary);margin-bottom:16px;font-size:1rem}.project-visual{border:1px solid var(--surface-border);background:radial-gradient(circle,#11141a,#050507);border-radius:24px;flex:1;justify-content:center;align-items:center;width:100%;height:400px;display:flex;position:relative;overflow:hidden}.v-commerce .orbit{border:1px solid #00c6ff1a;border-top-color:#00c6ff;border-radius:50%;position:absolute}.v-commerce .orbit1{width:280px;height:280px;animation:8s linear infinite spin}.v-commerce .orbit2{border-top-color:#0072ff;width:180px;height:180px;animation:5s linear infinite spin-reverse}.v-commerce .orbit3{border-top-color:#30d158;width:80px;height:80px;animation:3s linear infinite spin}.v-commerce .center-core{background:#00c6ff;border-radius:50%;width:20px;height:20px;animation:2s ease-in-out infinite pulse;box-shadow:0 0 30px #00c6ff,0 0 60px #0072ff}@keyframes spin{to{transform:rotate(360deg)}}@keyframes spin-reverse{to{transform:rotate(-360deg)}}@keyframes pulse{0%,to{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.5)}}.v-ai .ai-grid{background-image:linear-gradient(#ffffff08 1px,#0000 1px),linear-gradient(90deg,#ffffff08 1px,#0000 1px);background-size:30px 30px;width:200%;height:200%;animation:20s linear infinite gridMove;position:absolute;transform:perspective(500px)rotateX(60deg)translateY(-100px)translateZ(-200px)}.v-ai .node{background:#00c6ff;border-radius:50%;width:8px;height:8px;animation:3s infinite alternate blink;position:absolute;box-shadow:0 0 15px #00c6ff}.v-ai .n1{animation-delay:0s;top:30%;left:30%}.v-ai .n2{animation-delay:1s;top:60%;left:60%}.v-ai .n3{animation-delay:.5s;top:40%;left:70%}.v-ai .n4{animation-delay:1.5s;top:70%;left:40%}.v-ai .link{transform-origin:0 0;background:#00c6ff4d;position:absolute}.v-ai .l1{width:140px;height:1px;top:30%;left:30%;transform:rotate(45deg)}.v-ai .l2{width:120px;height:1px;top:40%;left:70%;transform:rotate(135deg)}@keyframes blink{0%,to{opacity:.2;transform:scale(.8)}50%{opacity:1;transform:scale(1.5);box-shadow:0 0 25px #0072ff}}.team-grid{grid-template-columns:repeat(3,1fr);gap:32px;display:grid}.team-col{border-top:1px solid var(--surface-border);background:#ffffff05;border-radius:16px;padding:40px;transition:background .5s}.team-col:hover{background:#ffffff0a}.team-col h3{align-items:center;margin-bottom:24px;font-size:1.4rem;display:flex}.team-col h3:before{content:"";background:#00c6ff;border-radius:50%;width:8px;height:8px;margin-right:12px;display:inline-block;box-shadow:0 0 10px #00c6ff,0 0 20px #0072ff}.team-col p{color:var(--text-secondary);font-size:.95rem}footer{border-top:1px solid var(--surface-border);text-align:center;padding:30px 24px 20px;position:relative}footer p.slogan{color:#f5f5f780;letter-spacing:1px;margin-bottom:12px;font-size:1.1rem}.footer-legal{color:#86868b66;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;font-size:.75rem;display:flex}.footer-legal .divider{color:#86868b33}.beian-link{color:#86868b66;text-decoration:none;transition:color .3s}.beian-link:hover{color:#fff9}@media (width<=900px){.grid-2x2,.value-grid,.team-grid{grid-template-columns:1fr!important;gap:24px!important}.project-row,.project-row:nth-child(2n){flex-direction:column!important;gap:32px!important;margin-bottom:80px!important}.project-visual{flex-shrink:0!important;width:100%!important;height:320px!important;min-height:320px!important}}@media (width<=768px){.global-logo{pointer-events:auto;-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);border-bottom:1px solid var(--surface-border);background:#0a0a0ccc;justify-content:center;padding-left:0}.navbar-wrapper{top:60px}.nav-tabs{-webkit-overflow-scrolling:touch;justify-content:flex-start;gap:16px;padding:0 16px;overflow-x:auto}.nav-tabs::-webkit-scrollbar{display:none}.tab-btn{font-size:.95rem}.content-section{padding:40px 0!important}.section-header{margin-bottom:30px!important}.section-header h2{font-size:1.6rem!important}.hero h1{font-size:2rem!important}.card-3d,.value-card,.team-col{padding:28px 20px!important}.project-visual{height:280px!important;min-height:280px!important}.v-commerce .orbit1{width:240px;height:240px}.v-commerce .orbit2{width:150px;height:150px}.v-commerce .orbit3{width:60px;height:60px}footer{padding:40px 20px!important}}@media (width<=380px){.hero h1{font-size:1.8rem!important}.nav-tabs{gap:10px}.tab-btn{font-size:.85rem}}