:root{--f-display:Quicksand;--f-ui:"Be Vietnam Pro";--f-read:Lora;--ground:#fbf8f3;--surface:#fff;--surface-2:#f1f7f4;--ink:#21403a;--ink-2:#5a7a72;--ink-3:#93a9a3;--line:#e2ede7;--mint:#3fb395;--mint-deep:#2e8e76;--mint-soft:#a8e6d3;--mint-wash:#e7f7f1;--on-mint:#fff;--blush:#e8809b;--blush-wash:#fdeff3;--gold:#b98721;--gold-wash:#faf0da;--nhan-dang-ra:#b84268;--nhan-hoan-thanh:#26775f;--shadow:0 10px 30px -12px #2e8e7647;--shadow-sm:0 4px 14px -6px #2e8e7638;--r-lg:24px;--r-md:16px;--r-sm:10px;--wrap:1080px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--ground:#111f1c;--surface:#1a2c28;--surface-2:#213730;--ink:#e4f0eb;--ink-2:#a5bdb6;--ink-3:#7b958e;--line:#2b443c;--mint:#6fd9b8;--mint-deep:#8ce6c9;--mint-soft:#2f5a4c;--mint-wash:#1c312b;--on-mint:#0e211c;--blush:#f0a3b7;--blush-wash:#33232a;--gold:#e8c275;--gold-wash:#382e1c;--shadow:0 10px 30px -12px #0000008c;--shadow-sm:0 4px 14px -6px #00000073}}:root[data-theme=dark]{--ground:#111f1c;--surface:#1a2c28;--surface-2:#213730;--ink:#e4f0eb;--ink-2:#a5bdb6;--ink-3:#7b958e;--line:#2b443c;--mint:#6fd9b8;--mint-deep:#8ce6c9;--mint-soft:#2f5a4c;--mint-wash:#1c312b;--on-mint:#0e211c;--blush:#f0a3b7;--blush-wash:#33232a;--gold:#e8c275;--gold-wash:#382e1c;--shadow:0 10px 30px -12px #0000008c;--shadow-sm:0 4px 14px -6px #00000073}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--ground);color:var(--ink);font-family:var(--f-ui),system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;flex-direction:column;min-height:100vh;margin:0;line-height:1.65;display:flex}h1,h2,h3,h4{font-family:var(--f-display),var(--f-ui),sans-serif;text-wrap:balance;margin:0;font-weight:700}p{margin:0}a{color:inherit}button{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0}input{font:inherit}img{max-width:100%;display:block}:focus-visible{outline:2.5px solid var(--mint);outline-offset:3px;border-radius:6px}.mist{pointer-events:none;z-index:0;position:fixed;inset:0;overflow:hidden}.mist i{filter:blur(70px);opacity:.5;border-radius:50%;position:absolute}.mist i:first-child{background:var(--mint-soft);width:46vw;height:46vw;top:-14vw;left:-12vw}.mist i:nth-child(2){background:var(--blush-wash);width:34vw;height:34vw;top:22vh;right:-10vw}.mist i:nth-child(3){background:var(--mint-wash);width:40vw;height:40vw;bottom:-18vw;left:28vw}main{z-index:1;flex:1;position:relative}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}.site-head{z-index:2;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0}.site-head .in{align-items:center;gap:14px;padding:14px 0;display:flex}.brand{font-family:var(--f-display),sans-serif;letter-spacing:-.01em;align-items:center;gap:10px;font-size:17px;font-weight:700;text-decoration:none;display:flex}.brand .mark{background:linear-gradient(145deg,var(--mint-soft),var(--mint));width:34px;height:34px;color:var(--on-mint);box-shadow:var(--shadow-sm);border-radius:12px;flex:none;place-items:center;font-size:16px;display:grid}.site-nav{gap:4px;margin-left:auto;font-size:14px;display:flex}.site-nav a{color:var(--ink-2);border-radius:999px;padding:7px 13px;text-decoration:none;transition:all .18s}.site-nav a:hover{background:var(--mint-wash);color:var(--mint-deep)}.site-nav a[aria-current=page]{background:var(--mint-wash);color:var(--mint-deep);font-weight:500}@media (width<=640px){.site-nav{order:3;width:100%;margin:0;padding-bottom:2px;overflow-x:auto}.site-head .in{flex-wrap:wrap;gap:10px}.site-nav a{white-space:nowrap}}.site-foot{z-index:1;border-top:1px solid var(--line);color:var(--ink-3);margin-top:56px;padding:26px 0;font-size:13.5px;position:relative}.site-foot .in{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.site-foot a{color:var(--mint-deep);font-weight:500;text-decoration:none}.site-foot .r{margin-left:auto}.btn{font-family:var(--f-display),sans-serif;border-radius:999px;align-items:center;gap:8px;padding:11px 22px;font-size:14.5px;font-weight:600;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s,border-color .16s;display:inline-flex}.btn.primary{background:var(--mint);color:var(--on-mint);box-shadow:var(--shadow-sm)}.btn.primary:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.btn.ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--line)}.btn.ghost:hover{border-color:var(--mint-soft);background:var(--mint-wash)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.shead{align-items:baseline;gap:12px;margin-bottom:18px;display:flex}.shead h2{letter-spacing:-.01em;font-size:21px}.shead .r{color:var(--ink-3);margin-left:auto;font-size:13px}.grid{grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:22px 18px;display:grid}@media (width<=520px){.grid{grid-template-columns:repeat(2,1fr);gap:16px 12px}}.card{flex-direction:column;gap:7px;text-decoration:none;transition:transform .2s;display:flex}.card:hover{transform:translateY(-4px)}.card:hover .cover{box-shadow:var(--shadow)}.card h3{font-size:14.5px;font-weight:600;line-height:1.35}.card .meta{color:var(--ink-3);align-items:center;gap:6px;font-size:12.5px;display:flex}.card .meta>span{white-space:nowrap}.card .nhan-hang{flex-wrap:wrap;gap:6px;display:flex}.card .nhan{white-space:nowrap;background:var(--nhan-dang-ra);color:#fff;border-radius:999px;padding:3px 10px;font-size:11.5px;font-weight:600}.card .nhan.xong{background:var(--nhan-hoan-thanh)}.dot{background:var(--ink-3);border-radius:50%;flex:none;width:3px;height:3px}.cover{aspect-ratio:1;border-radius:var(--r-md);box-shadow:var(--shadow-sm);background:var(--surface-2);position:relative;overflow:hidden}.cover 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var(--line);background:var(--surface-2);width:100%;color:var(--ink);text-align:center;letter-spacing:.14em;text-transform:uppercase;border-radius:14px;margin-top:20px;padding:14px 16px;font-size:15px;font-weight:600;transition:all .18s}.modal input::placeholder{letter-spacing:.08em;color:var(--ink-3);text-transform:none;font-weight:400}.modal input:focus{border-color:var(--mint);background:var(--surface);outline:none}.modal[data-loi="1"] input{border-color:var(--blush);animation:.4s shake}@keyframes shake{25%{transform:translate(-7px)}50%{transform:translate(6px)}75%{transform:translate(-3px)}}.msg{min-height:19px;margin-top:11px;font-size:13px;font-weight:500}.msg.err{color:var(--blush)}.msg.ok{color:var(--mint-deep)}.modal .go{justify-content:center;width:100%;margin-top:14px}.modal .foot{color:var(--ink-3);margin-top:16px;font-size:12.5px}.modal .foot a{color:var(--mint-deep);font-weight:600;text-decoration:none}.modal .close{color:var(--ink-3);margin-top:6px;padding:6px;font-size:13px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important;animation-duration:.01ms!important}}.tacgia{color:var(--ink-2);margin:6px 0 0;font-size:14px}.tacgia b{color:var(--ink);font-weight:600}