*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Microsoft YaHei",Arial,sans-serif;line-height:1.72;color:var(--ink);background:var(--paper)}a{color:inherit}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.22;margin-top:0}h1{font-size:clamp(2.3rem,5vw,4.9rem);letter-spacing:-.045em}h2{font-size:clamp(1.65rem,3vw,2.7rem);letter-spacing:-.025em}p{margin:0 0 1.25rem}.wrap{width:min(1180px,92%);margin:auto}.brand{font-size:23px;font-weight:900;text-decoration:none;letter-spacing:-.04em}.brand span{color:var(--accent)}.nav a,.source-link{text-decoration:none}.cta{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.9rem 1.35rem;border-radius:999px;background:var(--accent);color:white;text-decoration:none;font-weight:800;border:1px solid var(--accent)}.cta.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;font-weight:900;color:var(--accent)}.crumbs{display:flex;gap:.55rem;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-bottom:2rem}.crumbs a{text-decoration:underline}.site-footer{padding:3.5rem 0 2rem;border-top:1px solid var(--line);margin-top:5rem}.site-footer .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:3rem}.site-footer nav a{display:block;margin:.45rem 0;text-decoration:none}.site-footer small{display:block;border-top:1px solid var(--line);padding-top:1.2rem;margin-top:2rem;color:var(--muted)}.page-head{padding:4rem 0 2rem}.page-head p:not(.eyebrow){max-width:820px;font-size:1.1rem;color:var(--muted)}.source-note{font-size:.78rem;color:var(--muted)}.source-note a{text-decoration:underline}.download-strip{display:flex;align-items:center;gap:1.5rem;justify-content:space-between;padding:1.35rem 1.5rem;border:1px solid var(--line);background:var(--soft);margin:2rem 0}.download-strip p{margin:0}.page-sections{display:grid;gap:1.25rem}.page-sections article{scroll-margin-top:2rem}.page-sections article p{color:var(--muted)}.confirm-shell{width:min(760px,92%);margin:6vh auto;padding:3rem;border:1px solid var(--line);background:var(--paper)}.confirm-shell img{display:block;max-height:250px;margin:0 auto 2rem}.confirm-list{padding:1.2rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:1.5rem 0}.confirm-list li{margin:.6rem 0}.consent{display:flex;align-items:flex-start;gap:.75rem;margin:1.5rem 0}.consent input{width:20px;height:20px;margin-top:.25rem}.confirm-shell button:disabled{opacity:.4;cursor:not-allowed}.confirm-shell button{font:inherit;cursor:pointer}.confirm-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;font-size:.82rem;margin:1.5rem 0}.confirm-meta div{padding:1rem;background:var(--soft)}.confirm-meta strong{display:block}.error-page{min-height:70vh;display:grid;place-items:center;text-align:center;padding:2rem}.error-page p{color:var(--muted)}
@media(max-width:760px){.site-footer .footer-grid{grid-template-columns:1fr}.confirm-meta{grid-template-columns:1fr}.confirm-shell{padding:1.6rem}.download-strip{align-items:flex-start;flex-direction:column}}

:root{--accent:#2f68ff;--accent2:#5d9cff;--ink:#0b1733;--muted:#63708c;--paper:#fff;--soft:#f2f6ff;--line:#dce5f7}.product-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.product-header .bar{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:1rem 0}.product-header nav{display:flex;gap:1.4rem}.product-header nav a{text-decoration:none;font-size:.9rem}.product-hero{padding:5.5rem 0;background:radial-gradient(circle at 80% 20%,#d9e8ff,transparent 32%),linear-gradient(135deg,#f8fbff,#edf4ff)}.product-hero .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:4rem;align-items:center}.product-hero .hero-copy{font-size:1.15rem;color:var(--muted);max-width:690px}.product-hero .actions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}.product-hero img{max-height:470px;filter:drop-shadow(0 30px 35px rgba(20,62,160,.18))}.product-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:-2rem;position:relative}.product-proof article{background:white;padding:2rem}.product-proof img{width:74px;height:74px}.product-proof p{color:var(--muted);font-size:.92rem}.product-walk{padding:6rem 0}.product-walk .walk-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:5rem;align-items:center}.product-walk img{max-height:420px}.product-walk .steps{counter-reset:step}.product-walk .steps div{counter-increment:step;padding:1.1rem 0;border-bottom:1px solid var(--line)}.product-walk .steps div:before{content:"0" counter(step);color:var(--accent);font-weight:900;margin-right:1rem}.product-source{background:#0b1733;color:white;padding:4.5rem 0}.product-source .source-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}.product-source img{max-height:320px}.product-source p{color:#b9c7e8}.product-page .page-body{display:grid;grid-template-columns:280px 1fr;gap:4rem}.product-page .page-aside{position:sticky;top:6rem;align-self:start;padding:1.5rem;background:var(--soft)}.product-page .page-aside img{max-height:220px}.product-page .page-sections article{padding:1.8rem 0;border-bottom:1px solid var(--line)}.product-page.kind-gallery .page-sections article{display:grid;grid-template-columns:1fr .9fr;gap:2rem;align-items:center}.product-page.kind-gallery .page-sections article:nth-child(even)>*{order:2}.product-page.kind-gallery .page-sections article:nth-child(even) img{order:1}.product-page.kind-gallery .page-sections img{border:1px solid var(--line);box-shadow:0 14px 40px rgba(20,51,110,.1)}.product-page.kind-steps .page-sections article h2:before{content:attr(data-index);display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--accent);color:#fff;font-size:1rem;margin-right:1rem}.product-footer{background:#081227;color:#c8d5f0}.product-footer a{color:white}.product-footer small{border-color:#243452}
@media(max-width:820px){.product-header nav{display:none}.product-hero .hero-grid,.product-walk .walk-grid,.product-source .source-grid,.product-page .page-body,.product-page.kind-gallery .page-sections article{grid-template-columns:1fr}.product-proof{grid-template-columns:1fr}.product-page .page-aside{position:static}.product-page.kind-gallery .page-sections article:nth-child(even)>*{order:initial}}