:root{color-scheme:light;--ink:#17243a;--secondary:#566579;--blue:#0875ed;--line:#e3e9f1;--page:#f7f9fc}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px}body{margin:0;background:var(--page);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}img{display:block;max-width:100%;height:auto}.container{width:min(1120px,calc(100% - 64px));margin-inline:auto}.site-header{background:#ffffffea;border-bottom:1px solid var(--line)}nav{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:700;letter-spacing:-.6px}.brand img{border-radius:9px}.nav-links{display:flex;gap:32px;font-size:14px;font-weight:500}.nav-links a:hover,.site-footer a:hover{color:var(--blue)}.hero{display:grid;grid-template-columns:1.35fr 1fr;align-items:center;gap:76px;padding-block:90px 96px}.eyebrow{color:var(--blue);font-size:14px;font-weight:600;letter-spacing:1px;margin:0 0 18px}h1{font-size:clamp(36px,4.2vw,58px);line-height:1.3;font-weight:700;letter-spacing:-1.5px;margin:0 0 24px}h1 span{color:var(--blue)}.intro{font-size:17px;color:var(--secondary);max-width:540px;margin:0 0 32px;line-height:1.9}.button{display:inline-flex;align-items:center;gap:24px;background:var(--blue);color:white;border-radius:12px;padding:13px 22px;font-size:15px;font-weight:600;transition:background .15s}.button:hover{background:#0866ca}.button span{font-size:20px}.brand-panel{text-align:center;background:linear-gradient(145deg,#edf5ff,#f0f3fd);border:1px solid #e0e9f8;border-radius:36px;padding:48px 32px 32px}.app-icon{width:224px;margin:auto;border-radius:48px;box-shadow:0 22px 45px #296ad425}.panel-name{font-size:25px;font-weight:650;letter-spacing:-.8px;margin:26px 0 3px}.panel-caption{color:var(--secondary);font-size:14px;letter-spacing:4px;margin:0}.features{padding-block:4px 84px}.section-heading{margin-bottom:32px}.section-heading .eyebrow,.about .eyebrow{margin-bottom:10px}h2{font-size:clamp(25px,2.6vw,32px);line-height:1.5;letter-spacing:-.6px;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.feature-grid article{display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:20px;padding:29px 28px 26px}.feature-number{font-size:14px;font-weight:650;color:#8495ad;letter-spacing:1px}h3{font-size:23px;margin:18px 0 10px;line-height:1.4}.feature-grid p{font-size:15px;line-height:1.9;color:var(--secondary);margin:0 0 26px}.feature-label{margin-top:auto;padding-top:18px;border-top:1px solid #eef1f5;font-size:13px;color:#53677f}.about{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:60px;padding-block:48px 64px;border-top:1px solid var(--line)}.about>p{font-size:16px;color:var(--secondary);line-height:1.9;margin:0}.site-footer{border-top:1px solid var(--line);background:white}.footer-inner{display:flex;justify-content:center;align-items:center;gap:24px;padding-block:25px;font-size:13px;color:#637084}.footer-inner p{margin:0}
@media(max-width:800px){.container{width:calc(100% - 40px)}.hero{gap:32px;padding-block:58px 64px}.app-icon{width:160px;border-radius:35px}.brand-panel{padding:35px 20px 26px;border-radius:28px}h1{font-size:38px}.feature-grid{gap:12px}.feature-grid article{padding:24px 20px}.about{gap:30px}.nav-links{gap:20px}}
@media(max-width:600px){nav{min-height:72px;gap:12px}.brand{font-size:20px;gap:8px}.brand img{width:30px}.nav-links{gap:14px;font-size:12px}.hero{grid-template-columns:1fr;gap:36px;padding-block:46px 54px}h1{font-size:clamp(32px,8.7vw,42px);letter-spacing:-1px}.intro{font-size:16px}.brand-panel{display:grid;grid-template-columns:96px 1fr;column-gap:26px;text-align:left;align-items:center;padding:25px;max-width:100%}.app-icon{width:96px;border-radius:22px;grid-row:1 / 3}.panel-name{font-size:24px;align-self:end;margin:0}.panel-caption{font-size:12px;letter-spacing:3px;align-self:start;margin-top:3px}.feature-grid{grid-template-columns:1fr;gap:14px}.feature-grid article{padding:24px}.feature-grid h3{margin-top:10px}.features{padding-bottom:48px}.about{grid-template-columns:1fr;gap:20px;padding-block:34px 40px}.footer-inner{flex-direction:column;gap:6px;padding-block:22px}.section-heading{margin-bottom:24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}