:root{--ink:#07111a;--panel:#0d1b26;--paper:#f5f7f3;--muted:#627178;--line:rgba(7,17,26,.13);--acid:#b7f72e;--cyan:#5ce1e6;--white:#fff;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI",Tahoma,Arial,sans-serif;line-height:1.65;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(1160px,calc(100% - 44px));margin-inline:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(7,17,26,.9);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(16px);color:#fff}.topbar-inner{min-height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:9px;font-weight:900;letter-spacing:.08em}.mark{display:block;width:36px;height:36px;border-radius:11px;object-fit:cover}.product-name{padding-inline-start:18px;border-inline-start:1px solid 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