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.topnav{display:none}.library .topbar{padding:12px 16px}.library .content{padding:24px 16px 90px}.library .steps{grid-template-columns:minmax(0,1fr)}.library .continue{grid-template-columns:88px minmax(0,1fr)}.library .continue .cover.small{width:88px}.library .continue .cta-col{grid-column:1/-1}.library .continue .cta-col .btn{justify-content:center;width:100%}.library .zalo span{display:none}.library .zalo{padding:12px}}@media (max-width:520px){.library .btn.gift .lbl{display:none}}@media (prefers-reduced-motion:reduce){.library .cover,.library .rail{transition:none}}.reader{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--room:#1b2027;--room-2:#232a33;--chrome:#2c3440;--chrome-line:#3a4452;--ink-ui:#e8ecf1;--ink-ui-dim:#9aa6b4;--accent:#3aa57f;--accent-ink:#fff;--paper:#fbfaf6;--paper-edge:#e7e3d8;--ink:#1f2328;--ink-soft:#55606c;--rule:#d9d4c7;--tip-bg:#eaf4ef;--tip-line:#1d6b52;--table-head:#eef1f2;--code-bg:#f1efe8;--wm:#1f232812;--f-body:"Literata", 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p{text-align:justify;-webkit-hyphens:auto;hyphens:auto;margin:0 0 .6em}.reader .inner .li{text-align:justify;margin:0 0 .35em;padding-left:1.4em;position:relative}.reader .inner .li:before{content:attr(data-mark);color:var(--accent);font-weight:700;font-family:var(--f-ui);font-size:.92em;position:absolute;left:0}.reader .inner .tip{background:var(--tip-bg);border-left:3px solid var(--tip-line);border-radius:0 4px 4px 0;margin:.6em 0 .8em;padding:.7em .9em;font-size:.93em}.reader .inner table{border-collapse:collapse;width:100%;font:.72em/1.4 var(--f-ui);margin:.5em 0 .9em}.reader .inner th{background:var(--table-head);text-align:left;font-weight:600}.reader .inner th,.reader .inner td{border:1px solid var(--rule);vertical-align:top;padding:.4em .5em}.reader .inner pre{font:.72em/1.5 var(--f-mono);background:var(--code-bg);white-space:pre-wrap;word-break:break-word;border-radius:4px;margin:.5em 0 .8em;padding:.7em .8em}.reader .inner 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