:root{--primary-color:#2f80ff;--secondary-color:#1d4ed8;--accent-color:#00d4ff;--gradient-blue:linear-gradient(135deg,#2f80ff,#00d4ff);--bg:#f6f8fc;--surface:#fff;--surface-2:#eef5ff;--gray-light:#f5f7fb;--text-dark:#0f172a;--text-muted:rgba(15,23,42,.72);--text-light:#fff;--border-color:rgba(15,23,42,.12);--shadow-sm:0 10px 30px rgba(2,8,23,.08);--shadow-md:0 18px 45px rgba(2,8,23,.14);--radius-sm:12px;--radius-md:16px;--radius-lg:24px;--container-width:1120px;--header-height:68px;--ease-out:cubic-bezier(.16,1,.3,1);--ease-spring:cubic-bezier(.34,1.56,.64,1)}*,:after,:before{box-sizing:border-box}body,html{height:100%;width:100%}html{scroll-behavior:smooth}body,html{overflow-x:hidden}body{padding:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text-dark);line-height:1.65;background:linear-gradient(180deg,#f7f9ff 0,#fff 45%,var(--bg) 100%);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body,h1,h2,h3,ol,p,ul{margin:0}ol,ul{padding:0}h1{font-size:clamp(28px,3.4vw,44px);line-height:1.15;letter-spacing:-.03em}::-moz-selection{background:#2f80ff40}::selection{background:#2f80ff40}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}img,svg{max-width:100%;display:block}:focus-visible{outline:3px solid rgba(47,128,255,.4);outline-offset:3px}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 24px}.section{padding:clamp(64px,7vw,96px) 0;scroll-margin-top:calc(var(--header-height) + 16px)}.section-title{text-align:center;margin:0 auto 44px;max-width:860px}.section-title h2{margin:0;font-size:clamp(26px,3vw,40px);line-height:1.18;letter-spacing:-.02em;color:var(--text-dark);position:relative;display:inline-block;padding-bottom:14px}.section-title h2:after{content:"";position:absolute;width:72px;height:4px;border-radius:999px;background:var(--gradient-blue);bottom:0;left:50%;transform:translate(-50%)}.section-title p{margin:14px auto 0;color:var(--text-muted);font-size:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 20px;border-radius:999px;border:1px solid transparent;background:var(--gradient-blue);color:var(--text-light);font-weight:700;font-size:16px;line-height:1.2;cursor:pointer;box-shadow:var(--shadow-sm);transform:translateY(0);transition:transform .16s ease,box-shadow .16s ease,background .16s ease,border-color .16s ease}.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0)}.btn-outline{background:transparent;border-color:#ffffff47;color:var(--text-light);box-shadow:none}.btn-outline:hover{background:#ffffff1f;border-color:#fff6;box-shadow:none}@media(max-width:768px){.container{padding:0 18px}.section-title{margin-bottom:32px}.btn,.section-title p{font-size:15px}.btn{padding:12px 18px}}.reveal{opacity:1;transform:translateY(0);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out);will-change:opacity,transform}html.js-reveal .reveal:not(.revealed){opacity:0;transform:translateY(24px)}.reveal.revealed{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}.reveal-delay-4{transition-delay:.4s}.hover-lift{transition:transform .3s var(--ease-spring),box-shadow .3s ease;will-change:transform}.hover-lift:hover{transform:translateY(-6px);box-shadow:0 20px 40px #0208171f}.btn-icon{transition:transform .2s var(--ease-out)}.btn:hover .btn-icon{transform:translate(4px)}@keyframes glow-pulse{0%,to{opacity:.6;transform:scale(1)}50%{opacity:.8;transform:scale(1.05)}}@keyframes marquee{0%{transform:translate(0)}to{transform:translate(-50%)}}@keyframes flow-line{0%{background-position:0 0}to{background-position:100% 0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:0s!important;animation-duration:0s!important}.reveal{opacity:1;transform:none}}