:root{--bg:#f3f6fb;--surface:#fff;--surface2:#edf3fb;--text:#172033;--muted:#657087;--line:#dfe7f2;--blue:#1769e8;--blue2:#69a9ef;--gold:#d99b22;--green:#16865f;--shadow:0 18px 55px rgba(38,76,128,.12)}
@media(prefers-color-scheme:dark){:root{--bg:#0b1018;--surface:#131b27;--surface2:#182436;--text:#f1f5fb;--muted:#a7b3c7;--line:#29374a;--blue:#67a3ff;--blue2:#326dba;--gold:#ffc65c;--green:#61d5aa;--shadow:0 22px 60px rgba(0,0,0,.32)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% -10%,rgba(37,111,224,.18),transparent 34rem),var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800}.brand img{width:42px;height:42px;border-radius:10px}.navlinks{display:flex;gap:20px;font-size:14px}.hero{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;padding:72px 0 86px}.eyebrow,.badge{display:inline-flex;padding:7px 12px;border-radius:999px;background:var(--surface2);color:var(--blue);font-size:13px;font-weight:800}.hero h1{margin:18px 0 16px;font-size:clamp(48px,7vw,82px);line-height:1.03;letter-spacing:-.055em}.hero .lead{max-width:650px;color:var(--muted);font-size:20px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:14px;background:var(--blue);color:#fff;font-weight:800;box-shadow:0 10px 28px rgba(23,105,232,.25)}.button:hover{text-decoration:none;transform:translateY(-1px)}.button.secondary{background:var(--surface);color:var(--text);border:1px solid var(--line);box-shadow:none}.hero-art{position:relative;min-height:540px}.app-icon{position:absolute;z-index:2;width:180px;height:180px;right:10%;top:4%;border-radius:40px;box-shadow:0 28px 70px rgba(13,64,134,.3)}.phone{position:absolute;width:280px;right:22%;top:95px;border:8px solid #1b2635;border-radius:48px;box-shadow:var(--shadow);transform:rotate(4deg)}.section{padding:74px 0}.section h2{margin:0 0 12px;font-size:clamp(34px,5vw,52px);line-height:1.14;letter-spacing:-.035em}.section-intro{max-width:720px;margin:0 0 34px;color:var(--muted);font-size:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:26px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:0 10px 35px rgba(36,67,112,.07)}.card h3{margin:12px 0 8px;font-size:20px}.card p{margin:0;color:var(--muted)}.feature-icon{display:grid;width:46px;height:46px;place-items:center;border-radius:14px;background:var(--surface2);color:var(--blue);font-size:22px}.screens{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;align-items:start}.screens img{width:100%;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.privacy-panel{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:36px;border-radius:28px;background:linear-gradient(135deg,var(--surface),var(--surface2));border:1px solid var(--line)}.privacy-panel ul{margin:0;padding-left:22px}.privacy-panel li+li{margin-top:9px}.price{color:var(--gold);font-weight:850}.page-head{padding:54px 0 28px}.page-head h1{margin:12px 0 8px;font-size:clamp(38px,7vw,64px);line-height:1.1}.page-head p{max-width:760px;color:var(--muted)}.doc{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px;align-items:start;padding-bottom:70px}.toc{position:sticky;top:20px;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.toc a{display:block;padding:6px 0;color:var(--muted);font-size:14px}.content section{margin-bottom:18px;padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--surface);scroll-margin-top:20px}.content h2{margin:0 0 10px}.callout{padding:16px;border-left:4px solid var(--blue);border-radius:10px;background:var(--surface2)}.good{color:var(--green);font-weight:800}.table-wrap{overflow:auto}table{width:100%;min-width:640px;border-collapse:collapse}th,td{padding:13px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--surface2)}.footer{padding:35px 0 50px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:18px;margin-bottom:10px}.lang-note{font-size:13px;color:var(--muted)}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:42px}.hero-art{min-height:470px}.grid{grid-template-columns:1fr 1fr}.screens{grid-template-columns:repeat(3,1fr)}.doc{grid-template-columns:1fr}.toc{position:static}.privacy-panel{grid-template-columns:1fr}}
@media(max-width:600px){.wrap{width:min(100% - 22px,1120px)}.navlinks{gap:11px;font-size:12px}.hero{gap:20px}.hero h1{font-size:52px}.hero .lead{font-size:17px}.hero-art{min-height:410px}.phone{width:230px;right:10%;top:90px}.app-icon{width:130px;height:130px;border-radius:30px;right:2%}.grid{grid-template-columns:1fr}.screens{grid-template-columns:repeat(2,1fr)}.card,.content section{padding:22px}.section{padding:52px 0}}
.button.app-store{background:#111827}.button.disabled{background:var(--surface2);color:var(--muted);border:1px solid var(--line);box-shadow:none;cursor:not-allowed}.button.disabled:hover{transform:none;text-decoration:none}