:root{color-scheme:dark;--bg:#07111f;--card:#101f32;--line:#243952;--text:#edf5ff;--muted:#9eb0c4;--blue:#2f86ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.8 Inter,"Microsoft YaHei",sans-serif}.shell{width:min(900px,calc(100% - 32px));margin:0 auto;padding:28px 0 70px}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.top-actions{display:flex;align-items:center;gap:9px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;text-decoration:none}.brand img{width:44px;height:44px;border-radius:13px;background:#fff}.back,#language-toggle{padding:9px 13px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--text);font:inherit;text-decoration:none;cursor:pointer}.hero,.card{padding:28px 32px;border:1px solid var(--line);border-radius:18px;background:var(--card)}.hero{margin-bottom:16px;background:linear-gradient(130deg,#1158bc,#2789fb)}.hero h1{margin:0 0 5px}.hero p{margin:0;color:#dbeeff}.card h2{margin:25px 0 5px;font-size:18px}.card h2:first-child{margin-top:0}.card p,.card li{color:var(--muted)}.card a{color:#72aaff}.faq{padding:15px 0;border-bottom:1px solid var(--line)}.faq:last-child{border:0}.faq strong{display:block;margin-bottom:4px}@media(max-width:600px){.hero,.card{padding:22px 20px}.top{align-items:flex-start}.top-actions{align-items:flex-end;flex-direction:column}}