:root{--bg:#0D0D0D;--bg2:#080808;--card:#161616;--card2:#1F1F1F;--hover:#2A2A2A;--text:#E8E8E8;--title:#fff;--muted:#B0B0B0;--sub:#777;--orange:#FF6B00;--orange2:#FF8C00;--orange3:#E65C00;--line:rgba(255,107,0,.18);--line2:rgba(255,140,0,.40);--shadow:0 16px 48px rgba(0,0,0,.65);--glow:0 12px 36px rgba(255,107,0,.22);--radius:14px;--max:1280px;--header:74px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-60px;z-index:300;background:var(--orange);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:120;height:var(--header);background:rgba(8,8,8,.94);backdrop-filter:blur(12px);border-bottom:1px 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