.subhero{position:relative;overflow:hidden;padding:28px 0 64px}.subhero:before{content:"";position:absolute;width:820px;height:480px;left:50%;top:-160px;transform:translateX(-50%);background:var(--hero-glow);filter:blur(20px);pointer-events:none}.subhero-in{position:relative;z-index:1;max-width:760px}.subhero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(32px,4.8vw,54px);letter-spacing:-.035em;line-height:1.04;color:var(--text-primary);margin:20px 0 18px;text-wrap:balance}.subhero h1 em{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.subhero .sub{font-size:18px;color:var(--text-secondary);max-width:560px;margin:0 0 28px;text-wrap:pretty}.subhero .cta{display:flex;gap:12px;flex-wrap:wrap}.section{padding:var(--sp-20) 0}.section.tight{padding:var(--sp-16) 0}.bg-alt{background:var(--surface-1)}.lang-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:center}@media(max-width:820px){.lang-wrap{grid-template-columns:1fr;gap:28px}}.cat{display:flex;align-items:center;gap:14px;background:var(--surface-1);border:1px solid var(--border);border-radius:var(--r-lg);padding:18px 20px;transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease)}.cat:hover{transform:translateY(-2px);border-color:var(--border-strong)}.cat .avatar{width:42px;height:42px;border-radius:12px;font-size:17px}.cat b{display:block;font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--text-primary)}.cat span{font-size:12.5px;color:var(--text-muted)}.final{position:relative;overflow:hidden;text-align:center;padding:72px 40px;border-radius:var(--r-xl);background:var(--surface-1);border:1px solid var(--border)}.final:before{content:"";position:absolute;inset:0;background:var(--hero-glow);opacity:.7;pointer-events:none}.final-in{position:relative;z-index:1;max-width:560px;margin:0 auto}.final h2{font-family:var(--font-display);font-weight:800;font-size:clamp(26px,4vw,40px);letter-spacing:-.03em;line-height:1.05;color:var(--text-primary);margin:0 0 16px}.final p{font-size:17px;color:var(--text-secondary);margin:0 0 28px}.longread-wrap{max-width:860px;margin:0 auto}@media(max-width:720px){.nav-links{display:none}}.hero-vid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}@media(max-width:900px){.hero-vid{grid-template-columns:1fr;gap:30px}}.hero-vid-copy{min-width:0}.hero-vid-copy h1{font-family:var(--font-display);font-weight:800;font-size:clamp(32px,4.6vw,52px);letter-spacing:-.035em;line-height:1.04;color:var(--text-primary);margin:16px 0;text-wrap:balance}.hero-vid-copy h1 em{font-style:normal;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-vid-copy .sub{font-size:17px;color:var(--text-secondary);line-height:1.62;margin:0 0 26px;max-width:500px}.hero-vid-copy .cta{display:flex;gap:12px;flex-wrap:wrap}.hero-vid-hub{position:relative;height:340px;background:var(--surface-1);border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--elev-lg);overflow:hidden}.vid-rays{position:absolute;inset:0;width:100%;height:100%;color:var(--border-strong)}.vid-rays line{stroke:currentColor;stroke-width:1.4;stroke-dasharray:4 6;opacity:.55}.vid-rays circle{fill:none;stroke:currentColor;stroke-width:1.2;stroke-dasharray:3 7;opacity:.5}.vid-core{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:2;text-align:center;width:128px;padding:15px 12px;border-radius:var(--r-lg);background:var(--surface-2);border:1px solid var(--accent);box-shadow:0 0 0 6px var(--accent-soft)}.vid-core-ic{width:46px;height:46px;border-radius:50%;margin:0 auto 8px;display:grid;place-items:center;background:var(--accent-grad);color:#fff}.vid-core-ic svg{width:21px;height:21px;fill:currentColor}.vid-core b{display:block;font-family:var(--font-display);font-weight:700;font-size:13px;color:var(--text-primary)}.vid-core span{font-family:var(--font-mono);font-size:9.5px;color:var(--text-muted)}.vid-node{position:absolute;z-index:2;display:inline-flex;align-items:center;gap:7px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-pill);padding:7px 13px;font-size:12px;font-weight:600;color:var(--text-primary);box-shadow:var(--elev-sm);white-space:nowrap}.vid-node svg{width:14px;height:14px;color:var(--accent);flex:none}.vid-node.n-top{top:16px;left:50%;transform:translateX(-50%)}.vid-node.n-right{top:50%;right:14px;transform:translateY(-50%)}.vid-node.n-bottom{bottom:16px;left:50%;transform:translateX(-50%)}.vid-node.n-left{top:50%;left:14px;transform:translateY(-50%)}.vid-node.n-tl{top:48px;left:22px}.vid-node.n-br{bottom:48px;right:22px}@media(max-width:560px){.hero-vid-hub{height:auto;min-height:0;padding:22px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px}.vid-rays{display:none}.vid-core{order:-1;width:100%;max-width:200px}.vid-core,.vid-node{position:static;transform:none}.vid-node{box-shadow:none}}