:root{--bg:#070a0f;--panel:#0d131c;--panel2:#111923;--text:#eef5f8;--muted:#8592a0;--line:#26313e;--cyan:#52e4ff;--blue:#6a7fff;--green:#a8ffbd;--red:#ff7d8d}*{box-sizing:border-box}html{color-scheme:dark}:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:4px}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.progress i{transition:none}.toast{transition:none}.modal,.btn{transition:none}}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0,rgba(63,104,177,.15),transparent 35%),var(--bg);color:var(--text);font-family:"Noto Sans SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.topbar{height:70px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;border-bottom:1px solid var(--line);background:rgba(7,10,15,.82);backdrop-filter:blur(15px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:700}.brand-mark{width:24px;height:24px;border:1px solid var(--cyan);transform:rotate(45deg);display:grid;place-items:center}.brand-mark:after{content:"";width:8px;height:8px;background:var(--cyan)}.topnav{display:flex;align-items:center;gap:24px;margin-left:auto;color:#a8b3bf;font-size:13px}.topnav a:hover{color:var(--cyan)}.shell{width:min(1180px,calc(100% - 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.brand-logo{width:38px;height:34px;object-fit:contain;flex:0 0 auto}