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6px);z-index:40;min-width:200px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);display:grid;gap:2px}.lang-item{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border:none;border-radius:8px;background:none;color:var(--ink);font-size:13.5px;cursor:pointer;text-align:left}.lang-item:hover{background:var(--accent-soft)}.lang-item.active{background:var(--bg)}.lang-item .lang-name{flex:1}.lang-item .lang-score{color:var(--muted)}.lang-item-add{color:var(--muted);margin-top:2px;padding-top:10px;border-top:1px solid var(--line);border-radius:0 0 8px 8px}.lang-item-add:hover{color:var(--accent)}.lang-item-add .lang-flag{font-weight:700;color:var(--accent)}.nav-account{width:34px;height:34px;flex:none;display:grid;place-items:center;border:1px solid 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var(--popover-line);background:var(--popover-btn);color:var(--popover-ink)}.popover .actions button:hover{border-color:var(--popover-py)}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}.tile{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:14px}.tile .n{font-family:var(--display);font-size:26px;font-weight:600;letter-spacing:-.01em}.tile .l{color:var(--muted);font-size:13px;margin-top:2px}.hsk-row{display:flex;align-items:center;gap:12px}.hsk-row .label{width:64px;font-family:var(--label);font-weight:600;font-size:13px}.hsk-row .track{flex:1;height:12px;background:var(--accent-soft);border-radius:999px;overflow:hidden}.hsk-row .track .fill{height:100%;background:var(--accent);border-radius:999px;transition:width .3s ease}.hsk-row 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