 :root{--primary:rgb(70,139,223);--primary-dark:#245fba;--soft:#eaf4ff;--ink:#102033;--muted:#607086;--line:#dce8f6;--card:#fff;--bg:#f7fbff;--shadow:0 16px 45px rgba(35,84,140,.1);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:radial-gradient(circle at top left,rgba(70,139,223,.14),transparent 34rem),linear-gradient(180deg,#fff 0%,#f7fbff 40%,#fff 100%);line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,246,.85)}.header-inner{width:min(1160px,calc(100% - 32px));margin:0 auto;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800}.logo{width:38px;height:38px;object-fit:contain}.nav-toggle{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px}.nav-toggle span{width:18px;height:2px;background:#23445f;border-radius:20px}.site-nav{position:absolute;top:68px;left:16px;right:16px;display:none;flex-direction:column;gap:6px;padding:12px;background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.site-nav a{padding:12px 14px;border-radius:13px;color:#30465c;font-size:15px;font-weight:650}.site-nav a.active,.site-nav a:hover{color:var(--primary-dark);background:var(--soft)}main{min-height:68vh}.container{width:min(1160px,calc(100% - 32px));margin:0 auto}.narrow{width:min(880px,calc(100% - 32px))}.section{padding:58px 0}.section-tight{padding:36px 0}.centered-hero{padding:86px 0 44px;text-align:center}.eyebrow,.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;color:var(--primary-dark);background:var(--soft);border:1px solid rgba(70,139,223,.18);font-size:13px;font-weight:750}.centered-hero h1,.page-hero h1{margin:18px auto 16px;max-width:900px;font-size:clamp(34px,7vw,68px);line-height:1.05;letter-spacing:-.055em}.centered-hero p,.page-hero p{max-width:770px;margin:0 auto 24px;color:var(--muted);font-size:17px}.hero-tags,.tag-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:18px}.hero-tags span,.tag-row span{display:inline-flex;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.8);color:#41566e;font-size:13px;font-weight:650}.download-btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:13px 24px;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:800;box-shadow:0 12px 28px rgba(70,139,223,.28);transition:.2s}.download-btn:hover{transform:translateY(-2px);background:var(--primary-dark);box-shadow:0 16px 34px rgba(70,139,223,.34)}.product-bento{display:grid;gap:16px;grid-template-columns:1fr;margin-top:24px}.product-card{position:relative;min-height:420px;overflow:hidden;padding:22px;border-radius:30px;background:radial-gradient(circle at 20% 10%,rgba(70,139,223,.18),transparent 28rem),linear-gradient(135deg,#fff 0%,#eef7ff 100%);border:1px solid var(--line);box-shadow:var(--shadow)}.app-shell{width:min(280px,75%);margin:22px auto;filter:drop-shadow(0 24px 38px rgba(41,82,133,.18))}.floating-card,.status-card,.capability-card,.category-card,.feature-card,.scenario-card,.faq-item,.doc-panel,.tip-card,.about-card,.step-card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 12px 34px rgba(35,84,140,.07)}.floating-card{padding:14px;border-radius:18px}.floating-card strong,.status-card strong{display:block;font-size:15px;margin-bottom:4px}.floating-card span,.status-card span,.mini-note{display:block;color:var(--muted);font-size:13px;line-height:1.55}.product-card .float-a,.product-card .float-b,.product-card .float-c{position:static;margin-top:10px}.status-stack{display:grid;gap:16px}.status-card{min-height:120px}.status-card.blue{background:linear-gradient(135deg,var(--primary),#7eb7ff);color:#fff;border:0}.status-card.blue span{color:rgba(255,255,255,.88)}.status-dot{width:10px;height:10px;display:inline-block;border-radius:50%;background:#32d58a;box-shadow:0 0 0 6px rgba(50,213,138,.14);margin-right:8px}.section-head{margin-bottom:24px}.section-head.center{text-align:center}.section-head h2{margin:0 0 10px;font-size:clamp(27px,4vw,42px);line-height:1.15;letter-spacing:-.04em}.section-head p{margin:0;color:var(--muted);max-width:720px}.section-head.center p{margin-left:auto;margin-right:auto}.capability-grid,.scenario-grid,.faq-grid,.about-grid{display:grid;grid-template-columns:1fr;gap:16px}.capability-card h3,.category-card h3,.feature-card h3,.scenario-card h3,.doc-panel h3,.tip-card h3,.about-card h3,.step-card h3{margin:0 0 8px;font-size:20px;letter-spacing:-.025em}.capability-card p,.category-card p,.feature-card p,.scenario-card p,.faq-item p,.doc-panel p,.tip-card p,.about-card p,.step-card p{margin:0;color:var(--muted)}.card-link{display:inline-flex;margin-top:14px;color:var(--primary-dark);font-weight:800}.roadmap{position:relative;display:grid;grid-template-columns:1fr;gap:14px}.roadmap:before{content:"";position:absolute;left:22px;top:20px;bottom:20px;width:2px;background:linear-gradient(180deg,rgba(70,139,223,.28),rgba(70,139,223,.05))}.roadmap-item{position:relative;display:grid;grid-template-columns:46px 1fr;gap:14px;align-items:start}.roadmap-no{position:relative;z-index:2;width:46px;height:46px;border-radius:16px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 10px 20px rgba(70,139,223,.25)}.roadmap-content{padding:18px;border:1px solid var(--line);border-radius:20px;background:#fff}.roadmap-content h3{margin:0 0 6px}.roadmap-content p{margin:0;color:var(--muted)}.category-bento,.bento-grid{display:grid;grid-template-columns:1fr;gap:16px}.category-card{min-height:160px}.category-card.large,.feature-card.large{background:radial-gradient(circle at top right,rgba(70,139,223,.18),transparent 18rem),#fff}.security-layout{display:grid;grid-template-columns:1fr;gap:20px}.security-panel{padding:24px;border-radius:28px;background:linear-gradient(135deg,#fff,#eef7ff);border:1px solid var(--line);box-shadow:var(--shadow)}.security-list,.check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.security-list li{display:flex;gap:10px;align-items:flex-start;padding:13px;border-radius:16px;background:#fff;border:1px solid var(--line);color:#30465c}.security-list li:before{content:"✓";width:22px;height:22px;flex:0 0 22px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--primary-dark);font-weight:900;font-size:13px}.cta-section{text-align:center;padding:42px 24px;border-radius:30px;background:radial-gradient(circle at top left,rgba(70,139,223,.22),transparent 24rem),linear-gradient(135deg,#fff,#eaf4ff);border:1px solid var(--line);box-shadow:var(--shadow)}.cta-section h2{margin:0 0 12px;font-size:clamp(27px,4vw,42px);letter-spacing:-.04em}.cta-section p{margin:0 auto 20px;color:var(--muted);max-width:680px}.page-hero{padding:58px 0 30px;text-align:left}.page-hero h1{margin-left:0;margin-right:0;font-size:clamp(32px,5vw,54px)}.page-hero p{margin-left:0;margin-right:0}.doc-layout{display:grid;grid-template-columns:1fr;gap:20px}.doc-content{display:grid;gap:18px}.doc-content p{margin:0;color:#465b72}.step-list{display:grid;gap:12px;margin:18px 0}.step-card{display:grid;grid-template-columns:auto 1fr;gap:14px}.step-num{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--primary-dark);font-weight:900}.doc-side{display:grid;gap:16px;align-self:start}.check-list li{padding-left:24px;position:relative;color:#465b72}.check-list li:before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--primary)}.doc-cta{margin-top:20px}.download-panel{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}.install-steps{display:grid;gap:12px;counter-reset:install}.install-steps div{counter-increment:install;display:grid;grid-template-columns:42px 1fr;gap:14px;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line)}.install-steps div:before{content:counter(install);width:42px;height:42px;border-radius:15px;display:grid;place-items:center;color:#fff;background:var(--primary);font-weight:900}.install-steps strong{display:block;margin-bottom:4px}.install-steps span{color:var(--muted);font-size:14px}.faq-item h3{margin:0 0 8px;font-size:18px}.footer-inner{width:min(1160px,calc(100% - 32px));margin:0 auto;padding:38px 0 18px;display:grid;gap:22px;border-top:1px solid var(--line)}.footer-brand{display:flex;align-items:flex-start;gap:14px}.footer-logo{width:40px;height:40px}.footer-brand p{margin:6px 0 0;color:var(--muted);max-width:560px}.footer-links{display:flex;flex-wrap:wrap;gap:10px 16px}.footer-links a{color:#48627a;font-weight:650}.footer-bottom{width:min(1160px,calc(100% - 32px));margin:0 auto;padding:16px 0 28px;display:flex;flex-direction:column;gap:6px;color:#718096;font-size:13px}@media (min-width:700px){.capability-grid,.scenario-grid,.faq-grid,.about-grid{grid-template-columns:repeat(2,1fr)}.category-bento,.bento-grid{grid-template-columns:repeat(2,1fr)}.download-panel{grid-template-columns:1.1fr .9fr}}@media (min-width:960px){.nav-toggle{display:none}.site-nav{position:static;display:flex!important;flex-direction:row;align-items:center;gap:4px;padding:0;background:transparent;border:0;box-shadow:none}.site-nav a{padding:9px 12px}.centered-hero{padding-top:112px}.product-bento{grid-template-columns:minmax(0,1.7fr) minmax(280px,.8fr)}.product-card{min-height:540px;padding:34px}.app-shell{width:310px;margin-top:28px}.product-card .float-a,.product-card .float-b,.product-card .float-c{position:absolute;width:210px;margin:0}.product-card .float-a{left:34px;top:80px}.product-card .float-b{right:36px;top:112px}.product-card .float-c{right:68px;bottom:42px}.capability-grid{grid-template-columns:repeat(4,1fr)}.roadmap{grid-template-columns:repeat(6,1fr);gap:12px}.roadmap:before{left:4%;right:4%;top:23px;bottom:auto;width:auto;height:2px;background:linear-gradient(90deg,rgba(70,139,223,.28),rgba(70,139,223,.05))}.roadmap-item{grid-template-columns:1fr;gap:12px}.roadmap-no{margin:0 auto}.roadmap-content{min-height:190px}.category-bento{grid-template-columns:repeat(4,1fr)}.category-card.large{grid-column:span 2}.bento-grid{grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(170px,auto)}.feature-card.large{grid-column:span 2;grid-row:span 2}.feature-card.medium{grid-column:span 2}.security-layout{grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center}.doc-layout{grid-template-columns:minmax(0,1fr) 310px;gap:28px}.footer-inner{grid-template-columns:1fr auto;align-items:start}.footer-bottom{flex-direction:row;justify-content:space-between}}