:root{--bg:#020617;--panel:rgba(15,23,42,.86);--border:rgba(148,163,184,.22);--text:#e5e7eb;--muted:#94a3b8;--primary:#38bdf8;--primary-soft:rgba(56,189,248,.14);--radius:22px;--shadow:0 24px 80px rgba(0,0,0,.35);--max-width:1080px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7;background:radial-gradient(circle at top left,rgba(56,189,248,.22),transparent 32rem),radial-gradient(circle at top right,rgba(167,139,250,.2),transparent 28rem),linear-gradient(180deg,#020617 0%,#0f172a 48%,#111827 100%)}a{color:inherit;text-decoration:none}.container{width:min(100% - 32px,var(--max-width));margin:0 auto}.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(2,6,23,.68);border-bottom:1px solid rgba(148,163,184,.16)}.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.03em}.brand img{width:38px;height:38px;border-radius:14px;border:1px solid rgba(255,255,255,.14)}.nav-links{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:14px}.nav-links a:hover{color:var(--primary)}.hero{padding:82px 0 52px}.hero-grid{display:grid;grid-template-columns:1.5fr .9fr;gap:28px;align-items:stretch}.hero-card,.profile-card,.post-card,.article-card{border:1px solid var(--border);background:linear-gradient(180deg,rgba(15,23,42,.9),rgba(15,23,42,.6));box-shadow:var(--shadow);border-radius:var(--radius)}.hero-card{padding:42px;position:relative;overflow:hidden}.hero-card:after{content:"";position:absolute;right:-80px;top:-80px;width:240px;height:240px;border-radius:999px;background:rgba(56,189,248,.18);filter:blur(10px)}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;color:var(--primary);background:var(--primary-soft);border:1px solid rgba(56,189,248,.22);font-size:13px;font-weight:700}h1{margin:24px 0 16px;max-width:760px;font-size:clamp(38px,7vw,72px);line-height:1.02;letter-spacing:-.07em}.hero p{margin:0;max-width:680px;color:var(--muted);font-size:18px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:14px;font-weight:700;border:1px solid rgba(148,163,184,.24);background:rgba(255,255,255,.04);transition:.2s ease}.button.primary{color:#020617;background:linear-gradient(135deg,var(--primary),#818cf8);border:none}.button:hover{transform:translateY(-2px);border-color:rgba(56,189,248,.44)}.profile-card{padding:28px;display:flex;flex-direction:column;justify-content:space-between;min-height:100%}.profile-top{display:flex;gap:16px;align-items:center}.profile-top img{width:72px;height:72px;border-radius:24px;border:1px solid rgba(255,255,255,.16)}.profile-top h2{margin:0;font-size:22px}.profile-top p{margin:4px 0 0;color:var(--muted);font-size:14px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:28px}.stat{padding:14px;border-radius:16px;background:rgba(255,255,255,.045);border:1px solid rgba(148,163,184,.14);text-align:center}.stat strong{display:block;color:white;font-size:20px}.stat span{color:var(--muted);font-size:12px}.section{padding:24px 0 72px}.section-header{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:22px}.section-header h2{margin:0;font-size:28px;letter-spacing:-.04em}.section-header p{margin:6px 0 0;color:var(--muted)}.search{width:min(100%,320px);padding:13px 15px;color:var(--text);background:rgba(15,23,42,.72);border:1px solid rgba(148,163,184,.26);border-radius:15px;outline:none}.search:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(56,189,248,.12)}.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.post-card{padding:24px;transition:.22s ease;position:relative;overflow:hidden}.post-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.42)}.post-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin-bottom:14px}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;color:var(--primary);background:var(--primary-soft);font-size:12px;font-weight:700}.post-card h3{margin:0 0 10px;font-size:21px;line-height:1.35;letter-spacing:-.035em}.post-card p{margin:0 0 18px;color:var(--muted);font-size:15px}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.tag{color:#cbd5e1;font-size:12px;padding:4px 8px;border-radius:999px;background:rgba(148,163,184,.1)}.read-more{color:var(--primary);font-weight:800;font-size:14px}.empty{display:none;padding:28px;border-radius:var(--radius);color:var(--muted);border:1px dashed rgba(148,163,184,.35);text-align:center}.article{padding:56px 0 80px}.article-card{padding:min(8vw,56px)}.article-card h1{font-size:clamp(34px,5vw,58px);margin-bottom:18px}.article-content{margin-top:34px;color:#dbeafe;font-size:18px}.article-content h2{margin-top:34px;color:white;letter-spacing:-.035em}.article-content p,.article-content ul,.article-content ol{color:#cbd5e1}.article-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--primary);background:rgba(56,189,248,.08);border-radius:14px;color:white}.footer{padding:36px 0;color:var(--muted);border-top:1px solid rgba(148,163,184,.14);text-align:center;font-size:14px}@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.posts{grid-template-columns:1fr}.section-header{display:block}.search{margin-top:16px;width:100%}.nav-links{display:none}.hero-card{padding:30px}}