:root{--color-page:#0b1015;--color-card:#111922;--color-text:#f1f6f8;--color-secondary:#a5b4bd;--color-muted:#70818c;--color-border:#26343d;--color-accent:#00b3ff;--color-accent-hover:#00c8ff;--color-accent-subtle:rgb(0 179 255/12%);--space-page:28px;--radius-card:12px;--header-height:64px;--rail-width:240px;--content-width:1240px}*{box-sizing:border-box}body,html{background:var(--color-page)}body{margin:0;color:var(--color-text);font-family:system-ui,sans-serif}a{color:inherit;text-decoration:none}a:hover{color:var(--color-accent-hover)}button,input,textarea{font:inherit}button{cursor:pointer}.shell{display:grid;grid-template-columns:var(--rail-width) minmax(0,1fr);min-height:100vh;max-width:var(--content-width);margin:auto}.rail{position:-webkit-sticky;position:sticky;top:0;height:100vh;padding:24px 16px;border-right:1px solid var(--color-border)}.brand{display:block;margin-bottom:32px;font-size:24px;font-weight:700;letter-spacing:-.04em}.accent,.brand span{color:var(--color-accent)}.nav{display:grid;grid-gap:4px;gap:4px}.button,.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:0;border-radius:9px;color:var(--color-secondary);background:transparent}.button:hover,.nav a:hover{color:var(--color-text);background:var(--color-accent-subtle)}.button.primary{color:var(--color-page);background:var(--color-accent)}.main{min-width:0}.header{position:-webkit-sticky;position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;height:var(--header-height);padding:0 var(--space-page);border-bottom:1px solid var(--color-border);background:var(--color-page)}.card-footer,.community-actions,.tabs{display:flex;gap:16px;flex-wrap:wrap}.page{max-width:820px;padding:40px var(--space-page) 80px}.eyebrow,.meta{color:var(--color-muted);font-size:13px;letter-spacing:.03em}.hero h1{margin:14px 0;font-size:clamp(32px,5vw,56px);line-height:1.03;letter-spacing:-.05em}.lead{max-width:680px;color:var(--color-secondary);font-size:20px;line-height:1.5}.feed{grid-gap:16px}.feed,.grid{display:grid;gap:16px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:16px}.card,.notice,.trust{padding:22px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-card)}.card h2{margin:8px 0 10px;font-size:22px}.article-body,.card p{color:var(--color-secondary);line-height:1.55}.card-footer{margin-top:18px;color:var(--color-muted);font-size:13px}.tag{padding:3px 8px;border:1px solid var(--color-border);border-radius:999px}.form{display:flex;gap:12px}.community textarea,.form input{width:100%;padding:12px;border:1px solid var(--color-border);border-radius:8px;color:var(--color-text);background:var(--color-page)}.section-space{margin:36px 0}.community{display:grid;grid-gap:12px;gap:12px;margin-top:28px}.community h2{margin:0}.space-top{margin-top:var(--header-height)}@media (max-width:767px){.shell{display:block}.rail{position:static;height:auto;border-right:0;border-bottom:1px solid var(--color-border)}.brand{margin-bottom:12px}.nav{display:flex;overflow:auto}.header,.page{padding-right:18px;padding-left:18px}.grid{grid-template-columns:1fr}.form{display:grid}}