:root{--blue: #0071e3;--blue-hover: #0077ed;--text: #1d1d1f;--sub: #6e6e73;--muted: #86868b;--line: rgba(0, 0, 0, .08);--bg: #ffffff;--bg2: #f5f5f7;--bg3: #fbfbfd;--cyan: #32d1c6;--header-h: 56px;--max: 1120px;--radius: 28px;--shadow: 0 20px 50px rgba(0, 0, 0, .12);--font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font);color:var(--text);background:var(--bg);letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,select,textarea{font-family:inherit}a{color:inherit;text-decoration:none}img{max-width:100%}.skip{position:absolute;left:-999px;top:8px}.skip:focus{left:8px;z-index:200;background:#000;color:#fff;padding:8px 12px;border-radius:8px}.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}.header{position:sticky;top:0;z-index:50;height:var(--header-h);background:#fbfbfdb8;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand-logo{height:36px;width:auto;display:block}.brand-name{font-size:14px;font-weight:600;letter-spacing:-.02em;padding-left:10px;border-left:1px solid rgba(0,0,0,.16)}.footer-logo{height:40px;width:auto;display:block;margin-bottom:12px}.nav{display:flex;align-items:center;gap:28px;font-size:12px;color:#1d1d1fcc}.nav a:hover,.nav a:focus-visible{color:var(--text)}.header-actions{display:flex;align-items:center;gap:14px}.link-quiet{font-size:12px;color:var(--sub)}.link-quiet:hover{color:var(--blue)}button.link-quiet{background:none;border:0;padding:0;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;cursor:pointer;border-radius:980px;font-size:17px;font-weight:400;line-height:1;padding:12px 22px;transition:background .2s ease,color .2s ease,transform .2s ease}.btn:focus-visible,.nav a:focus-visible,.link-quiet:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.btn-sm{font-size:12px;padding:7px 14px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-hover)}.btn-ghost{background:transparent;color:var(--blue);padding:12px 8px}.btn-ghost:hover{text-decoration:underline}.btn-dark{background:var(--text);color:#fff}.btn-dark:hover{background:#333}.menu-btn{display:none;width:36px;height:36px;border:0;background:transparent;cursor:pointer;padding:8px}.menu-btn span,.menu-btn span:before,.menu-btn span:after{display:block;height:1.5px;background:var(--text);border-radius:2px;position:relative}.menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0;right:0}.menu-btn span:before{top:-6px}.menu-btn span:after{top:6px}.mobile-nav{display:none}.hero{padding:72px 0 24px;text-align:center}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:17px;font-weight:600;letter-spacing:-.01em}.hero h1{margin:0;font-size:clamp(40px,7.2vw,80px);font-weight:600;letter-spacing:-.035em;line-height:1.05}.hero-sub{max-width:720px;margin:18px auto 0;font-size:clamp(19px,2.4vw,24px);line-height:1.45;color:var(--sub);font-weight:400}.hero-meta{margin-top:16px;color:var(--muted);font-size:14px}.hero-ctas{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:28px}.hero-note{margin-top:14px;font-size:13px;color:var(--muted)}.hero-visual{margin:48px auto 0;width:min(980px,calc(100% - 24px))}section[id]{scroll-margin-top:calc(var(--header-h) + 8px)}.section{padding:92px 0}.section-alt{background:var(--bg2)}.section-head{text-align:center;margin-bottom:48px}.section-kicker{margin:0 0 8px;color:var(--muted);font-size:14px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.section-head h2,.left-head h2{margin:0;font-size:clamp(32px,5vw,52px);font-weight:600;letter-spacing:-.03em;line-height:1.1}.lede{margin:14px auto 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a:hover{text-decoration:underline}.footer-bottom{padding-top:20px;color:var(--muted)}.modal-backdrop{position:fixed;inset:0;z-index:80;background:#0000006b;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:grid;place-items:center;padding:20px}.modal{width:min(560px,100%);max-height:min(88vh,820px);overflow:auto;background:#fff;border-radius:22px;padding:28px 28px 24px;box-shadow:var(--shadow)}.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:8px}.modal h2{margin:0;font-size:28px;letter-spacing:-.03em}.modal .hint{margin:0 0 22px;color:var(--sub);font-size:14px;line-height:1.5}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.icon-btn{width:32px;height:32px;border:0;border-radius:50%;background:#f2f2f2;cursor:pointer;font-size:20px;line-height:1;color:var(--sub)}.form{display:grid;gap:12px}.field{display:grid;gap:6px}.field span{font-size:12px;color:var(--muted)}.field input,.field select,.field 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button{width:8px;height:8px;padding:0;border:0;border-radius:50%;background:#d2d2d7;cursor:pointer}.showcase-pips button.is-active{background:var(--blue);width:18px;border-radius:8px}.showcase-caption{margin:8px 20px 0;text-align:center;font-size:14px;color:var(--sub);line-height:1.5}.showcase-caption strong{display:block;margin-bottom:2px;color:var(--text);font-size:16px;font-weight:600}.robot{flex:1;min-height:220px;display:grid;place-items:center;overflow:hidden;border-radius:12px;background:#fff}.robot-photo{width:100%;height:100%;min-height:220px;object-fit:contain;object-position:center;display:block}.cta-band{margin-top:28px;padding:22px 24px;border-radius:18px;background:#fff;display:flex;justify-content:space-between;align-items:center;gap:16px}.cta-band p{margin:0;color:var(--sub);font-size:14px}@media(max-width:980px){.feature-grid,.dl-grid,.steps,.footer-top{grid-template-columns:1fr 1fr}.scene-grid{grid-template-columns:1fr}.scene-card.large{grid-row:auto;min-height:240px}.visual-body{grid-template-columns:1fr}.visual-preview{min-height:220px;border-left:0;border-top:1px solid rgba(0,0,0,.06)}.robot,.robot-photo{min-height:200px}}@media(max-width:1040px){.nav,.header-actions .link-quiet,.header-actions .btn-sm{display:none}.menu-btn{display:block}.mobile-nav.open{display:block;position:absolute;left:0;right:0;top:var(--header-h);background:#fbfbfdf5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);padding:12px 20px 18px}.mobile-nav a,.mobile-nav button{display:block;width:100%;text-align:left;background:none;border:0;padding:12px 0;font-size:17px;color:var(--text);cursor:pointer}}@media(max-width:760px){:root{--header-h: 48px}.hero{padding:48px 0 12px}.brand-logo{height:24px}.hero-ctas .btn{width:100%}.section{padding:64px 0}.feature-grid,.dl-grid,.steps,.footer-top,.spec-row{grid-template-columns:1fr}.cta-band{flex-direction:column;align-items:stretch}.wrap{width:min(var(--max),calc(100% - 32px))}}