:root{color-scheme:light dark;--bg:#f3f6f5;--panel:#fff;--panel-muted:#edf3f0;--text:#17201d;--muted:#5d6d67;--line:#d8e2de;--accent:#087e5b;--accent-hover:#06694c;--accent-soft:#e1f3ec;--hero:#e8f2ee;--code:#edf2f0;--image-bg:#fff;--shadow:rgba(24,62,51,.14);--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:0}a{color:inherit}.site-header{height:68px;display:flex;align-items:center;justify-content:space-between;max-width:var(--max);margin:auto;padding:0 24px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:750}.brand img{width:38px;height:38px;border-radius:8px}.site-nav{display:flex;gap:24px;color:var(--muted);font-size:14px}.site-nav a{text-decoration:none}.site-nav a:hover{color:var(--accent)}.hero{min-height:690px;background:var(--hero);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.hero-inner{max-width:var(--max);margin:auto;padding:72px 24px 0}.hero-copy{max-width:760px}.eyebrow{margin:0 0 14px;color:var(--accent);font-size:15px;font-weight:750}.hero h1{max-width:780px;margin:0;font-size:58px;line-height:1.12;letter-spacing:0}.hero-lead{max-width:720px;margin:22px 0 0;color:var(--muted);font-size:21px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 18px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;white-space:nowrap;transition:background .18s ease,transform .18s ease}.button:hover{background:var(--accent-hover)}.button:active{transform:translateY(1px)}.button.secondary{background:var(--panel);color:var(--accent)}.button.secondary:hover{background:var(--accent-soft)}.hero-media{width:100%;margin-top:52px;border:1px solid var(--line);border-radius:8px;box-shadow:0 22px 56px var(--shadow);display:block}.section{padding:88px 24px}.section-muted{background:var(--panel-muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-inner{max-width:var(--max);margin:auto}.section-heading{max-width:760px;margin-bottom:42px}.section-heading h2,.trust-copy h2{margin:0;font-size:36px;line-height:1.2}.section-heading p,.trust-copy p{margin:14px 0 0;color:var(--muted);font-size:18px}.capability-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.capability{grid-column:span 6;min-height:240px;padding:30px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.capability-primary{grid-column:span 7;min-height:330px;padding:38px;background:var(--panel)}.capability-tinted{grid-column:span 5;min-height:330px;background:var(--accent-soft)}.capability-soft{background:var(--panel-muted)}.capability-wide{grid-column:1/-1;min-height:0;display:grid;grid-template-columns:minmax(240px,.75fr) 1fr;gap:48px;align-items:center}.capability-label{margin:0 0 16px;color:var(--accent);font-size:14px;font-weight:750}.capability h3,.story-copy h3{margin:0;font-size:26px;line-height:1.3}.capability p:not(.capability-label),.story-copy>p{margin:14px 0 0;color:var(--muted)}.capability code{padding:2px 5px;border-radius:4px;background:var(--code)}.feature-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px;margin-top:28px}.feature-points span{padding-top:9px;border-top:1px solid var(--line);font-size:14px;font-weight:700}.product-stories{display:grid;gap:72px}.product-story{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:48px;align-items:center}.product-story-reverse figure{order:2}.product-story figure{margin:0}.product-story img{width:100%;display:block;border:1px solid var(--line);border-radius:8px;background:var(--image-bg);box-shadow:0 16px 40px var(--shadow)}.product-story figcaption{margin-top:10px;color:var(--muted);font-size:14px}.story-copy h3{font-size:30px}.detail-list{display:grid;gap:18px;margin:28px 0 0}.detail-list div{display:grid;grid-template-columns:110px 1fr;gap:18px}.detail-list dt{font-weight:750}.detail-list dd{margin:0;color:var(--muted)}.trust-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:72px;align-items:start}.trust-facts{display:grid;gap:1px;border:1px solid var(--line);background:var(--line)}.trust-facts div{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:24px;background:var(--panel)}.trust-facts span{color:var(--muted)}.privacy-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:42px;max-width:var(--max);margin:auto;padding:54px 24px 90px}.toc{position:sticky;top:24px;align-self:start;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:7px}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;padding:5px 0;color:var(--muted);font-size:14px;text-decoration:none}.policy{padding:36px 42px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.policy h1{margin:0 0 8px;font-size:40px;line-height:1.2}.meta{margin:0 0 30px;color:var(--muted)}.notice{padding:18px 20px;background:var(--accent-soft);border-left:4px solid var(--accent)}.policy h2{margin:46px 0 12px;padding-top:4px;font-size:25px}.policy h3{margin:26px 0 8px;font-size:18px}.policy p,.policy li{color:var(--muted)}.policy code{padding:2px 5px;border-radius:4px;background:var(--code);font-size:.92em}.english{margin-top:60px;padding-top:42px;border-top:1px solid var(--line)}.site-footer{padding:34px 24px;color:var(--muted);background:var(--panel);border-top:1px solid var(--line);font-size:14px}.site-footer>div{max-width:var(--max);margin:auto;display:flex;justify-content:space-between;gap:20px}.site-footer a{color:var(--accent)}@media(prefers-color-scheme:dark){:root{--bg:#121816;--panel:#19211e;--panel-muted:#151d1a;--text:#e8efec;--muted:#a9b8b2;--line:#2e3a36;--accent:#5fd0a5;--accent-hover:#79ddb8;--accent-soft:#18352b;--hero:#16241f;--code:#24302c;--image-bg:#f6f8f7;--shadow:rgba(0,0,0,.28)}.button{color:#10201a}.button.secondary{color:var(--accent)}}@media(min-width:761px){.hero-media{max-width:680px;margin:36px auto 0}}@media(max-width:760px){.site-header{height:auto;min-height:64px;padding:10px 16px}.brand{gap:8px;font-size:14px}.brand img{width:34px;height:34px}.site-nav{gap:12px;font-size:13px}.hero{min-height:0}.hero-inner{padding:48px 20px 0}.hero h1{font-size:40px}.hero-lead{font-size:18px}.hero-media{margin-top:36px}.section{padding:60px 20px}.section-heading h2,.trust-copy h2{font-size:31px}.capability-grid,.product-story,.capability-wide,.trust-layout{grid-template-columns:1fr}.capability,.capability-primary,.capability-tinted,.capability-wide{grid-column:1;min-height:0;padding:25px}.capability-wide{gap:4px}.feature-points{grid-template-columns:1fr}.product-stories{gap:54px}.product-story{gap:24px}.product-story-reverse figure{order:0}.detail-list div,.trust-facts div{grid-template-columns:1fr;gap:4px}.trust-layout{gap:34px}.privacy-layout{grid-template-columns:1fr;padding:28px 16px 60px}.toc{position:static}.policy{padding:26px 20px}.policy h1{font-size:32px}.site-footer>div{display:grid}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}