:root{--brand-navy:#0b1854;--brand-navy-deep:#09124f;--brand-blue:#597eff;--brand-blue-soft:#b4c4fb;--brand-panel:#eaedf7;--brand-hero-text:#d7d7d8;--brand-footer-muted:#a4afe2;--paper:#f7f7f7;--paper-light:#fff;--ink:#1a2440;--ink-70:#1a2440b8;--ink-55:#1a24408f;--ink-15:#1a244026;--rust:#597eff;--ylk-header-height:72px;--ylk-content-max:1180px;--ylk-content-wide:1280px;--ylk-content-agent:1680px;--ylk-radius-card:14px;--ylk-radius-sm:10px;--ylk-line:#0b18541a;--ylk-canvas:var(--paper);color:var(--ink);background:var(--paper);font-synthesis:none;font-family:Source Han Sans SC,Noto Sans SC,Microsoft YaHei,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);margin:0}button,input,select,textarea{font:inherit}::selection{color:#fff;background:var(--brand-blue)}a{color:inherit}.file-preview-body[data-v-995fac9a]{background:#f4f6fb;justify-content:center;align-items:center;height:min(72vh,760px);min-height:240px;display:flex}.file-preview-status[data-v-995fac9a]{color:#334155;text-align:center;flex-direction:column;align-items:center;gap:12px;margin:0;padding:24px;display:flex}.file-preview-image[data-v-995fac9a]{-o-object-fit:contain;object-fit:contain;max-width:100%;max-height:100%}.file-preview-frame[data-v-995fac9a]{background:#fff;border:0;width:100%;height:100%}.file-preview-footer[data-v-995fac9a]{justify-content:flex-end;gap:8px;display:flex}