:root{--bg:#fff;--text:#0b1020;--muted:#4b5563;--accent:#1d4ed8;--border:#e5e7eb;--card:#f9fafb}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial;color:var(--text);background:var(--bg);line-height:1.6}
a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(8px);background:rgba(255,255,255,.85);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;align-items:center;gap:12px}.brand img{height:40px}.brand .name{font-weight:900;letter-spacing:.3px}
.lang-switch{display:flex;gap:8px;align-items:center}
.lang-switch button{border:1px solid var(--border);background:#fff;color:var(--text);padding:4px 8px;border-radius:8px;cursor:pointer;font-weight:700;font-size:14px}
.lang-switch button.active{outline:2px solid rgba(29,78,216,.25)}
.flag{font-size:16px;line-height:1}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 16px;border-radius:12px;font-weight:800;border:1px solid var(--border);background:#fff}
.btn:hover{transform:translateY(-1px)}
.full-banner{width:100%;height:auto;min-height:160px;max-height:360px;overflow:hidden}
.full-banner img{width:100%;height:100%;object-fit:cover;display:block}
.header{padding:18px 0 10px}.kicker{color:var(--muted);text-transform:uppercase;letter-spacing:.2em;font-size:12px}
.h1{font-size:40px;font-weight:900;line-height:1.15;margin:8px 0}
.lead{font-size:18px;color:#111827}
.stack{padding:24px 0}.stack .block{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}
.badges{display:inline-flex;flex-wrap:wrap;gap:10px;margin:10px 0}
.badge{border:1px solid var(--border);background:#fff;padding:6px 10px;border-radius:999px;font-weight:700;font-size:13px}
.section{padding:28px 0}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px}
.code-block{position:relative;margin-top:8px}.copy{position:absolute;top:8px;right:8px;border:1px solid var(--border);background:#fff;color:#111827;border-radius:8px;padding:4px 8px;cursor:pointer;font-weight:800}
pre{margin:0;padding:12px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;background:#f3f4f6;border:1px solid var(--border);border-radius:10px}
.partners-hr{border:0;border-top:3px solid #000;margin:32px 0}
.partners{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;align-items:center;margin-top:18px}
.partners a{display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--border);padding:16px;border-radius:12px;height:80px}
.partners img{max-height:60px;max-width:220px;height:60px}
footer{color:#6b7280;padding:24px 0 48px}
.notice{font-size:12px;color:#6b7280}
ul{margin-top:6px}