:root{--bg:#07111d;--panel:#0d1b2b;--panel2:#112238;--text:#edf6ff;--muted:#91a5bb;--line:#20364c;--accent:#73d8ff;--accent2:#9ef0cb;--danger:#ff8594;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% -10%,#163b56 0,transparent 35%),var(--bg);color:var(--text);font:16px/1.65 Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.wrap{width:min(calc(100% - 36px),var(--max));margin:auto}.nav{position:sticky;top:0;z-index:10;border-bottom:1px solid #ffffff12;background:#07111ddd;backdrop-filter:blur(16px)}.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:800;letter-spacing:.04em}.brand span{color:var(--accent)}.nav-links{display:flex;gap:22px;align-items:center;color:var(--muted);font-size:14px}.nav-links a:hover,.nav-links a.active{color:var(--text)}.login-link{padding:8px 14px;border:1px solid var(--line);border-radius:9px}.hero{min-height:440px;display:grid;align-items:center;padding:72px 0 48px}.eyebrow{color:var(--accent);font-size:13px;letter-spacing:.18em;text-transform:uppercase}.hero h1{font-size:clamp(48px,8vw,88px);line-height:1;margin:16px 0 20px;letter-spacing:-.055em}.hero p{max-width:640px;color:var(--muted);font-size:18px;margin:0}.times{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:42px;max-width:650px}.time-card{border-top:1px solid var(--line);padding:17px 0}.time-card small{display:block;color:var(--muted)}.time-card strong{display:block;font-size:25px;margin-top:3px}.section{padding:72px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}.section h1,.section h2{margin:0;letter-spacing:-.025em}.section-head p{color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:linear-gradient(150deg,#112238cc,#0c1929cc);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.2s}.card:hover{transform:translateY(-3px);border-color:#4e7897}.card .num{color:var(--accent);font-size:13px}.card h3{font-size:20px;margin:34px 0 8px}.card p{color:var(--muted);margin:0;font-size:14px}.card .arrow{display:block;margin-top:20px;color:var(--accent)}.authors{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.author{background:var(--panel);padding:24px}.author small{color:var(--muted)}.author h3{margin:7px 0}.footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.page-title{padding:70px 0 35px}.page-title h1{font-size:clamp(38px,6vw,64px);margin:0}.page-title p{color:var(--muted);max-width:650px}.project-card{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.tag{font-size:12px;padding:4px 9px;border:1px solid var(--line);border-radius:20px;color:var(--muted)}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;padding:11px 16px;background:var(--accent);color:#062033;font-weight:700;cursor:pointer}.button.secondary{background:transparent;color:var(--text);border:1px solid var(--line)}.button.danger{background:transparent;color:var(--danger);border:1px solid #ff859455}.stack{display:grid;gap:16px}.empty{padding:55px;text-align:center;border:1px dashed var(--line);border-radius:16px;color:var(--muted)}.auth-shell{min-height:calc(100vh - 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