:root{--bg:#f6f7f9;--panel:#fff;--ink:#15171a;--muted:#6d737c;--line:#e4e7ec;--soft:#f0f2f5;--accent:#111827;--danger:#c52828;--ok:#0f7a48;--shadow:0 22px 60px rgba(15,23,42,.09)}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top,#fff 0,#f7f8fa 42%,#eef1f5 100%);color:var(--ink);min-height:100vh}.topbar{position:relative;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.hamb{width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:20px;cursor:pointer}.brand{position:absolute;left:50%;transform:translateX(-50%);text-align:center;font-size:34px;letter-spacing:.18em;font-weight:650;pointer-events:none}.userbox{text-align:right;font-size:13px;color:var(--muted);min-width:220px}.layout{max-width:1060px;margin:10px auto 36px;padding:0 24px}.hero{text-align:center;margin:10px auto 18px}.hero h1{font-size:24px;font-weight:560;margin:0 0 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12px;font-size:12px;color:var(--muted)}@media(max-width:860px){.topbar{padding:0 16px}.userbox{min-width:90px}.workspace{grid-template-columns:1fr}.brand{font-size:28px}.card{padding:22px;border-radius:24px}.doc-actions,.att-actions{flex-wrap:wrap}.actions .btn{width:100%;min-width:0}.layout{padding:0 14px}}