:root{color-scheme:light;--font-family-base: "Avenir Next", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .9rem;--font-size-md: 1rem;--font-size-lg: 1.2rem;--font-size-xl: clamp(2.2rem, 5.5vw, 3.7rem);--line-height-base: 1.6;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--color-primary: #1b75ff;--color-secondary: #00bcd4;--bg-base: #eef4ff;--bg-layer: #f8fbff;--bg-layer-alt: #e4edff;--bg-surface: rgba(255, 255, 255, .78);--bg-surface-solid: #ffffff;--text-primary: #121f36;--text-secondary: #4d6285;--text-muted: #667b9f;--text-inverse: #ffffff;--border: rgba(22, 48, 94, .16);--border-strong: rgba(32, 117, 255, .42);--shadow-sm: 0 8px 24px rgba(16, 39, 80, .08);--shadow-md: 0 16px 46px rgba(16, 39, 80, .12);--shadow-lg: 0 24px 70px rgba(16, 39, 80, .2);--radius-sm: 12px;--radius-md: 18px;--radius-lg: 24px;--radius-pill: 999px;--space-1: 8px;--space-2: 12px;--space-3: 16px;--space-4: 24px;--space-5: 32px;--space-6: 48px;--max-width: 1200px;--radius: var(--radius-lg);--primary: var(--color-primary);--transition-fast: .2s ease;--transition-base: .35s ease}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font-family-base);line-height:var(--line-height-base);font-weight:var(--font-weight-normal);color:var(--text-primary);background:var(--bg-base);position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-2;pointer-events:none;background:radial-gradient(circle at 12% 10%,rgba(46,123,255,.22),transparent 38%),radial-gradient(circle at 85% 8%,rgba(0,188,212,.2),transparent 34%),linear-gradient(135deg,var(--bg-layer),var(--bg-layer-alt))}body:after{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;opacity:.35;background-image:linear-gradient(rgba(21,61,121,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(21,61,121,.12) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 40%,transparent 100%);mask-image:radial-gradient(circle at 50% 30%,#000 40%,transparent 100%)}body.menu-open{overflow:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1}.container{width:min(100% - 48px,var(--max-width));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:#f8fbffc2;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}.brand{font-weight:var(--font-weight-semibold);letter-spacing:.06em}.site-nav{display:flex;gap:20px;font-size:.95rem}.nav-link{color:var(--text-secondary);transition:color var(--transition-fast)}.nav-link.is-active,.nav-link:hover{color:var(--text-primary)}.nav-link-mobile-cta{display:none}.nav-cta{padding:10px 18px;border-radius:var(--radius-pill);background:linear-gradient(120deg,var(--color-primary),var(--color-secondary));color:var(--text-inverse);font-size:.9rem;box-shadow:var(--shadow-sm)}.nav-toggle{display:none;border:1px solid var(--border);background:var(--bg-surface-solid);color:var(--text-primary);border-radius:var(--radius-pill);padding:8px 14px;font-size:.85rem}.nav-backdrop{display:none}.hero{position:relative;padding:112px 0 130px;overflow:hidden;isolation:isolate}.hero-media{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.2;mix-blend-mode:soft-light;z-index:-2}.hero-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(140deg,#ffffffc7,#e4eeffa8);z-index:-1}.hero-shell{display:grid;gap:28px;align-items:stretch}.hero-shell.has-visual{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}.hero-content{padding:30px;border-radius:var(--radius-lg);background:var(--bg-surface);border:1px solid var(--border);box-shadow:var(--shadow-md);animation:hero-enter .75s var(--transition-base) both}.hero-kicker{text-transform:uppercase;font-size:var(--font-size-xs);letter-spacing:.2em;color:var(--color-primary);font-weight:var(--font-weight-medium)}.hero h1{font-size:var(--font-size-xl);line-height:1.15;margin:14px 0 18px;color:var(--text-strong)}.hero p{color:var(--text-secondary);font-size:1.06rem;margin:0 0 28px}.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.hero-secondary-action{font-size:var(--font-size-sm);color:var(--text-secondary);border-bottom:1px solid transparent;transition:color var(--transition-fast),border-color var(--transition-fast)}.hero-secondary-action:hover{color:var(--color-primary);border-color:currentcolor}.hero-visual{border-radius:var(--radius-lg);border:1px solid var(--border-strong);background:linear-gradient(165deg,#091d42e6,#143264eb);color:#eef5fff5;box-shadow:var(--shadow-lg);padding:26px;display:grid;gap:16px;animation:hero-enter .8s var(--transition-base) .08s both}.hero-visual-title{margin:0;font-size:var(--font-size-sm);letter-spacing:.08em;text-transform:uppercase;color:#a6d6ffeb}.hero-architecture{display:grid;gap:12px}.hero-node{position:relative;border-radius:var(--radius-md);border:1px solid rgba(120,169,255,.36);background:#081530b8;padding:14px 14px 14px 50px;box-shadow:inset 0 0 0 1px #ffffff08;animation:hero-node-float 6s ease-in-out infinite}.hero-node:nth-child(2n){animation-delay:1s}.hero-node:nth-child(3n){animation-delay:2s}.hero-node:before{content:attr(data-stage);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:.7rem;font-weight:var(--font-weight-semibold);background:linear-gradient(145deg,var(--color-primary),var(--color-secondary));color:#041126}.hero-node-label{display:block;font-size:1rem;margin-bottom:4px;color:#f6fbff}.hero-node p{margin:0;font-size:.88rem;color:#cde1ffdb}.button{display:inline-flex;align-items:center;justify-content:center;padding:11px 22px;border-radius:var(--radius-pill);font-weight:var(--font-weight-medium);border:1px solid transparent;transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast),color var(--transition-fast)}.button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.button:focus-visible{outline:2px solid rgba(32,117,255,.32);outline-offset:2px}.button-primary{background:linear-gradient(120deg,var(--color-primary),var(--color-secondary));color:var(--text-inverse);box-shadow:var(--shadow-sm)}.button-ghost{border-color:var(--border-strong);color:var(--color-primary);background:#ffffffa8}.button-ghost-dark{border-color:var(--border);color:var(--text-primary);background:#ffffff85}@keyframes hero-enter{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes hero-node-float{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.section{padding:100px 0}.section-head{max-width:640px}.section-head h2{font-size:clamp(2rem,4vw,3rem);margin-bottom:16px}.section-head p{color:var(--text-muted);margin:0 0 48px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}.feature-card{background:var(--bg-surface);border-radius:var(--radius);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.feature-card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}.feature-card h3{margin:20px 0 8px}.feature-card p{color:var(--text-muted)}.feature-card img{width:100%;aspect-ratio:16 / 10;object-fit:cover;border-radius:calc(var(--radius) - 12px);border:1px solid var(--border)}.image-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;align-items:center;padding:32px 0}.image-panel.reverse{direction:rtl}.image-panel.reverse>*{direction:ltr}.image-panel-text h3{font-size:clamp(1.6rem,3vw,2.2rem);margin:12px 0}.image-panel-text p{color:var(--text-muted);margin:0}.image-panel-figure img{width:100%;aspect-ratio:16 / 10;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-md)}.eyebrow{text-transform:uppercase;font-size:.75rem;letter-spacing:.18em;color:var(--text-muted)}.band{padding:80px 0;background:transparent}.band-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:32px;align-items:center}.band h2,.video-section h2{font-size:clamp(1.8rem,3.5vw,2.5rem);margin:10px 0 14px}.band-image img{width:100%;aspect-ratio:16 / 10;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow-md)}.split-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}.split-card{background:var(--bg-surface);border-radius:var(--radius);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.split-card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}.split-card-conversion{display:grid;gap:10px;align-content:start}.split-card-conversion h3{margin:0 0 6px}.split-card-label{margin:0;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted)}.split-card-text{margin:0;color:var(--text-primary)}.split-card-action{margin-top:6px;justify-self:start}.lead-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;margin-bottom:24px}.lead-notes{background:var(--bg-surface);border-radius:var(--radius);border:1px solid var(--border);padding:24px;box-shadow:var(--shadow-sm)}.lead-notes h3{margin-top:0}.lead-notes ul{margin:0;padding-left:20px;color:var(--text-muted);display:grid;gap:12px}.lead-form{background:var(--bg-surface);border-radius:var(--radius);border:1px solid var(--border);padding:24px;display:grid;gap:14px;box-shadow:var(--shadow-sm)}.lead-form label{display:grid;gap:8px;font-size:.92rem}.lead-form input,.lead-form select,.lead-form textarea{width:100%;border:1px solid var(--border);border-radius:14px;padding:12px 14px;font:inherit;background:#ffffffdb;color:var(--text-primary)}.lead-form textarea{resize:vertical;min-height:108px}.lead-form-hint{margin:0;font-size:.9rem;color:var(--text-muted)}.lead-form-feedback{margin:0;font-size:.9rem;color:var(--color-primary)}.lead-actions{display:flex;flex-wrap:wrap;gap:12px}.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.faq-card{background:var(--bg-surface);border-radius:var(--radius);border:1px solid var(--border);padding:24px;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast)}.faq-card:hover{transform:translateY(-2px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}.faq-card h3{margin:0 0 10px}.faq-card p{margin:0;color:var(--text-muted)}.cta{padding:80px 0;background:linear-gradient(135deg,#0d1f43,#102d63);color:var(--text-inverse)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}.cta h2{margin:0 0 12px;font-size:2rem}.video-section{padding:100px 0;background:linear-gradient(140deg,#08152e,#123368);color:var(--text-inverse)}.video-section .eyebrow{color:#b2dcffeb}.video-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;align-items:center}.video-frame{background:#05142d7a;border-radius:var(--radius);padding:16px;border:1px solid rgba(146,197,255,.34);box-shadow:var(--shadow-md)}.video-frame video,.video-frame img{width:100%;aspect-ratio:16 / 9;object-fit:cover;border-radius:calc(var(--radius) - 8px);display:block}.scroll-story{padding:110px 0;background:transparent}.scroll-story-head{max-width:680px;margin-bottom:48px}.scroll-story-head h2{font-size:clamp(2rem,4vw,3rem);margin:16px 0}.scroll-story-head p{color:var(--text-muted);margin:0}.scroll-story-body{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px}.scroll-story-media{position:relative}.scroll-story-sticky{position:sticky;top:120px;background:var(--bg-surface);border-radius:calc(var(--radius) + 6px);border:1px solid var(--border);padding:28px;min-height:420px;box-shadow:var(--shadow-md);overflow:hidden}.scroll-story-layers{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.scroll-story-layer{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;opacity:.45}.scroll-story-layer img{width:100%;height:100%;object-fit:cover}.scroll-story-media-stack{position:relative;border-radius:var(--radius);overflow:hidden;min-height:360px;background:linear-gradient(130deg,#102449,#1b3f74);z-index:1}.scroll-story-media-item{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;transform:scale(.98);transition:opacity .6s ease,transform .6s ease;display:grid;place-items:center}.scroll-story-media-item img,.scroll-story-media-item video{width:100%;height:100%;object-fit:cover}.scroll-story-media-item.is-active{opacity:1;transform:scale(1)}.scroll-story-progress{margin-top:20px;height:2px;background:#2a539138;border-radius:999px;overflow:hidden}.scroll-story-progress-bar{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));transform-origin:left center;transition:transform .2s ease}.scroll-story-steps{display:grid;gap:32px}.scroll-story-step{padding:24px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-surface);box-shadow:var(--shadow-sm);opacity:.92;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease,box-shadow .4s ease,border-color .4s ease}.scroll-story-step h3{margin:12px 0 10px}.scroll-story-step p{color:var(--text-primary);margin:0}.scroll-story-step .eyebrow{color:var(--text-secondary)}.scroll-story-step.is-active{opacity:1;transform:translateY(0);border-color:var(--border-strong);background:var(--bg-surface-solid);box-shadow:var(--shadow-md)}.scroll-story-step.is-past{opacity:.96}.site-footer{background:linear-gradient(140deg,#08142c,#0f2752);color:var(--text-inverse);padding:64px 0 32px}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px}.footer-brand p{color:#ffffffb3}.footer-brand-title{margin:0 0 12px;font-size:1.15rem;font-weight:600}.footer-column-title{margin:0 0 12px;font-size:1rem;font-weight:600}.footer-column a{display:block;color:#ffffffb3;margin:8px 0}.footer-meta{margin-top:32px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;color:#ffffff8c;font-size:.85rem}.footer-meta-info{display:flex;flex-wrap:wrap;gap:16px}.not-found{padding:120px 0;text-align:center}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:translateY(0)}@media (max-width: 900px){.header-inner{gap:14px}.site-nav{position:fixed;top:84px;left:16px;right:16px;background:#fbfdfffa;border:1px solid var(--border);border-radius:20px;padding:18px;box-shadow:var(--shadow-md);flex-direction:column;gap:12px;opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:30}.site-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto}.nav-link{padding:6px 2px;font-size:1rem}.nav-link-mobile-cta{display:inline-flex;margin-top:6px;justify-content:center;border-radius:999px;padding:10px 16px;background:linear-gradient(120deg,var(--color-primary),var(--color-secondary));color:var(--text-inverse)}.nav-toggle{display:inline-flex;align-items:center;justify-content:center}.nav-cta{display:none}.nav-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000003d;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:25}.hero-shell.has-visual{grid-template-columns:1fr}.hero-content,.hero-visual{padding:24px}.scroll-story-body,.lead-grid{grid-template-columns:1fr}.scroll-story-sticky{position:relative;top:0}}@media (max-width: 768px){.container{width:min(100% - 32px,var(--max-width))}.hero{padding:94px 0 102px}.hero h1{font-size:clamp(2rem,11vw,3rem)}.hero-actions{gap:12px}.hero-node{padding:12px 12px 12px 44px}.hero-node-label{font-size:.95rem}}@media (prefers-reduced-motion: reduce){.button,.reveal,.scroll-story-media-item,.scroll-story-progress-bar,.scroll-story-step,.site-nav,.hero-content,.hero-visual,.hero-node{transition:none!important;animation:none!important}.reveal,.hero-content,.hero-visual,.hero-node{opacity:1;transform:none}}