:root{--c-primary:#2f5fe0;--c-primary-600:#2080ff;--c-primary-50:#eef3ff;--c-primary-100:#e2ebff;--c-sidebar:#10162a;--c-text:#1f2a44;--c-text-secondary:#5a6478;--c-muted:#8b93a7;--c-bg:#f5f6f8;--c-bg-2:#eef0f5;--c-border:#e6e8ee;--c-white:#fff;--c-blue:#2080ff;--c-blue-dark:#123c8c;--c-blue-deep:#0d2a66;--c-blue-soft:#e8f1ff;--c-blue-soft-2:#f2f7ff;--r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:20px;--r-full:999px;--shadow-sm:0 1px 2px #10162a0f;--shadow-md:0 6px 18px #10162a14;--shadow-lg:0 12px 32px #10162a1f;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--c-text);background:var(--c-white);-webkit-font-smoothing:antialiased;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}.header{z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-border);background:#ffffffe6;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:68px;display:flex}.brand{color:var(--c-text);align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.brand-logo{background:linear-gradient(135deg, var(--c-primary-600), var(--c-primary));color:#fff;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.brand small{color:var(--c-muted);font-weight:500}.nav{align-items:center;gap:28px;display:flex}.nav a{color:var(--c-text-secondary);font-size:15px;transition:color .2s}.nav a:hover{color:var(--c-primary)}.nav-actions{align-items:center;gap:12px;display:flex}.btn{border-radius:var(--r-md);cursor:pointer;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-size:15px;font-weight:600;transition:all 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.accent{background:linear-gradient(120deg, var(--c-primary-600), var(--c-primary));color:#0000;-webkit-background-clip:text;background-clip:text}.hero p.sub{color:var(--c-text-secondary);max-width:460px;margin-top:20px;font-size:17px}.hero-cta{flex-wrap:wrap;gap:14px;margin-top:32px;display:flex}.hero-trust{color:var(--c-muted);align-items:center;gap:24px;margin-top:34px;font-size:14px;display:flex}.hero-trust .dot{background:var(--c-primary-600);border-radius:50%;width:6px;height:6px}.hero-visual{position:relative}.hero-panel{box-shadow:var(--shadow-lg);background:linear-gradient(160deg,#eaf2ff,#d7e6ff);border:1px solid #e0ecff;border-radius:24px;padding:34px;position:relative}.hero-panel-head{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.hero-panel-title{color:var(--c-blue-dark);font-size:16px;font-weight:700}.hero-panel-tag{color:var(--c-primary);border-radius:var(--r-full);background:#fff;padding:3px 10px;font-size:12px;font-weight:600}.hero-card{border-radius:var(--r-lg);box-shadow:var(--shadow-sm);background:#fff;align-items:center;gap:14px;margin-bottom:14px;padding:16px;display:flex}.hero-card .ic{background:var(--c-blue-soft);width:44px;height:44px;color:var(--c-primary);border-radius:12px;flex-shrink:0;place-items:center;display:grid}.hero-card .tt{color:var(--c-text);font-size:15px;font-weight:600}.hero-card .dd{color:var(--c-muted);font-size:13px}.hero-card .bar{border-radius:var(--r-full);background:var(--c-blue-soft);width:64px;height:8px;margin-left:auto;overflow:hidden}.hero-card .bar i{background:linear-gradient(90deg, var(--c-primary-600), var(--c-primary));border-radius:var(--r-full);height:100%;display:block}.hero-float{border-radius:var(--r-lg);box-shadow:var(--shadow-lg);color:var(--c-text);background:#fff;align-items:center;gap:10px;padding:12px 16px;font-size:13px;font-weight:600;display:flex;position:absolute}.hero-float .ic{background:var(--c-primary-600);color:#fff;border-radius:10px;place-items:center;width:34px;height:34px;display:grid}.hero-float.f1{top:-16px;left:-20px}.hero-float.f2{bottom:-14px;right:-16px}.section{padding:76px 0}.section-head{text-align:center;max-width:640px;margin:0 auto 48px}.section-kicker{color:var(--c-primary-600);text-transform:uppercase;letter-spacing:1px;font-size:14px;font-weight:600}.section-head h2{letter-spacing:-.3px;margin-top:10px;font-size:32px;font-weight:800}.section-head p{color:var(--c-text-secondary);margin-top:12px;font-size:16px}.feature-grid{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.feature-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:26px;transition:transform .2s,box-shadow .2s}.feature-card:hover{box-shadow:var(--shadow-lg);border-color:#d6e4ff;transform:translateY(-4px)}.feature-highlight{border-color:var(--c-primary-600);box-shadow:var(--shadow-md);background:linear-gradient(#f6f9ff,#fff)}.feature-highlight .ic{background:var(--c-primary-600);color:#fff}.feature-highlight h3{color:var(--c-primary)}.feature-card .ic{width:48px;height:48px;color:var(--c-primary-600);background:var(--c-blue-soft);border-radius:14px;place-items:center;margin-bottom:16px;display:grid}.feature-card h3{margin-bottom:8px;font-size:18px;font-weight:700}.feature-card p{color:var(--c-text-secondary);font-size:14px}.stats{border-block:1px solid var(--c-border);background:linear-gradient(#f5f6f8,#eef0f5)}.stats-inner{text-align:center;grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.stat h3{color:var(--c-primary-600);font-size:38px;font-weight:800}.stat 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#d5e4fa;margin-top:30px;padding:48px 0 24px}.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;display:grid}.footer-brand{color:var(--c-blue-deep);align-items:center;gap:10px;font-size:20px;font-weight:700;display:flex}.footer-col h4{color:var(--c-blue-deep);margin-bottom:14px;font-size:15px;font-weight:700}.footer-col a{color:var(--c-text-secondary);margin-bottom:10px;font-size:14px;display:block}.footer-col a:hover{color:var(--c-primary)}.footer-bottom{color:var(--c-text-secondary);border-top:1px solid #d5e4fa;justify-content:space-between;align-items:center;padding-top:20px;font-size:13px;display:flex}@media (width<=960px){.hero-inner{grid-template-columns:1fr;padding:48px 0 56px}.hero h1{font-size:36px}.feature-grid,.steps,.stats-inner,.footer-grid{grid-template-columns:1fr 1fr}.nav-links{display:none}}@media (width<=600px){.feature-grid,.steps,.stats-inner,.footer-grid{grid-template-columns:1fr}}