:root{--g:#014B34;--g2:#0F6B4C;--gl:#E7F1EC;--o:#F27F24;--ol:#FDEBDC;--b:#255E84;--bl:#E3EDF5;--ink:#1B2A24;--mu:#5B6B64;--ln:#D8E2DD;--bg:#F7F9F8;--f:"Be Vietnam Pro","Segoe UI",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:400 16px/1.65 var(--f);color:var(--ink);background:var(--bg);overflow-wrap:break-word}
a{color:var(--b)}.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:3px solid var(--g);box-shadow:0 2px 12px rgba(1,75,52,.06)}
.top .wrap{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--g);margin-right:auto}.brand img{height:46px;width:auto}
.brand b{display:block;font-size:15px;line-height:1.2}.brand small{color:var(--mu);font-size:12.5px}
nav a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14.5px}
nav a:hover{background:var(--gl)}nav a.on{background:var(--g);color:#fff}
.menu{display:none;border:0;background:var(--gl);color:var(--g);font-size:22px;border-radius:8px;width:44px;height:40px;cursor:pointer}
.hero{background:linear-gradient(120deg,var(--g) 0%,#03603F 55%,var(--b) 130%);color:#fff;padding:56px 0 40px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;border:60px solid rgba(242,127,36,.18)}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.18;margin:14px 0 12px;max-width:860px;font-weight:800}
.hero p{max-width:780px;font-size:17px;opacity:.93;margin:0}.hero.sm{padding:40px 0 30px}.hero.sm h1{font-size:clamp(24px,3.4vw,36px)}
.pill{display:inline-block;background:var(--o);color:#fff;font-weight:700;font-size:13.5px;padding:5px 14px;border-radius:99px}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;position:relative;z-index:1}
.btn{display:inline-block;background:var(--o);color:#fff;text-decoration:none;font-weight:700;padding:11px 20px;border-radius:10px}
.btn:hover{filter:brightness(1.07)}.btn.ghost{background:rgba(255,255,255,.12);border:1.5px solid rgba(255,255,255,.55)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:32px;position:relative;z-index:1}
.facts div{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:16px}
.facts b{display:block;font-size:34px;line-height:1;color:#FFD2AE}.facts span{font-size:14px;opacity:.9}
.srcnote{font-size:12.5px!important;opacity:.7!important;margin-top:14px!important}
main section{margin:44px 0}.sh{font-size:24px;color:var(--g);margin:0 0 16px;font-weight:800;display:flex;flex-wrap:wrap;align-items:baseline;gap:10px}
.sh small{display:block;width:100%;font-size:14.5px;color:var(--mu);font-weight:500}
.sn{background:var(--o);color:#fff;font-size:13px;padding:3px 10px;border-radius:6px}
.mh{color:var(--g);font-size:18px;margin:6px 0 10px}
.two{display:grid;grid-template-columns:1.25fr 1fr;gap:34px;align-items:start}
.days{display:grid;grid-template-columns:1fr 1fr;gap:24px}.day{background:#fff;border:1px solid var(--ln);border-radius:18px;padding:18px}
.dh{display:flex;justify-content:space-between;align-items:center;border-bottom:2px dashed var(--ln);padding-bottom:10px;margin-bottom:14px}
.dh b{font-size:20px;color:var(--g)}.dh span{color:var(--mu);font-weight:600}
.bc{display:block;text-decoration:none;color:var(--ink);border-radius:14px;padding:16px 18px;margin-top:12px;border-left:6px solid var(--g);background:var(--gl);transition:transform .2s,box-shadow .2s}
.bc:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(1,75,52,.12)}.bc.b2,.bc.b4{border-color:var(--o);background:var(--ol)}
.bc .ca{font-size:13px;color:var(--mu);font-weight:600}.bc b{display:block;color:var(--g);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-top:4px}
.bc h3{margin:2px 0 6px;font-size:18px;line-height:1.35}.bc p{margin:0;font-size:14.5px;color:#34443D}.go{display:inline-block;margin-top:8px;font-weight:700;color:var(--b);font-size:14px}
.goals{counter-reset:g;list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.goals li{counter-increment:g;background:#fff;border:1px solid var(--ln);border-radius:12px;padding:14px 16px 14px 56px;position:relative}
.goals li:before{content:counter(g);position:absolute;left:14px;top:13px;width:30px;height:30px;border-radius:50%;background:var(--g);color:#fff;font-weight:800;display:grid;place-items:center}
.tw{overflow-x:auto;border-radius:12px;border:1px solid var(--ln);background:#fff}
table{border-collapse:collapse;width:100%;font-size:14.5px}th{background:var(--g);color:#fff;text-align:left;padding:10px 12px;font-weight:700}
td{padding:10px 12px;border-top:1px solid var(--ln);vertical-align:top}tbody tr:nth-child(even) td{background:#FAFCFB}
.hf{display:inline-block;background:var(--bl);color:var(--b);font-size:12.5px;font-weight:700;padding:2px 8px;border-radius:6px}
.files{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.files a{display:flex;flex-wrap:wrap;align-items:center;gap:10px;background:#fff;border:1px solid var(--ln);border-radius:10px;padding:10px 14px;text-decoration:none;color:var(--ink);font-weight:600}
.files a:hover{border-color:var(--g);background:var(--gl)}.files small{width:100%;color:var(--mu);font-weight:400;font-size:12px;padding-left:62px;word-break:break-all}
.ft{flex:none;width:52px;text-align:center;font-size:11.5px;font-weight:800;border-radius:6px;padding:3px 0;background:var(--gl);color:var(--g)}
.ft.pdf{background:#FBE3E3;color:#9B1C1C}.ft.word{background:var(--bl);color:var(--b)}
.dl{display:inline-block;background:var(--g);color:#fff;text-decoration:none;font-size:13px;font-weight:700;padding:4px 10px;border-radius:6px;margin:2px 0}
.dl.ghost{background:var(--ol);color:#9A4A0B}
.outc{background:var(--ol);border-left:6px solid var(--o);border-radius:12px;padding:16px 18px;margin-bottom:22px}.outc h3{margin:0 0 6px;color:#9A4A0B}.outc p{margin:0}
.toc{display:grid;gap:8px}.toc a{display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:10px;background:#fff;border:1px solid var(--ln);border-radius:10px;padding:9px 12px;text-decoration:none;color:var(--ink);font-weight:600}
.toc a:hover{border-color:var(--g)}.toc b{width:30px;height:30px;border-radius:50%;background:var(--g);color:#fff;display:grid;place-items:center}.toc small{color:var(--mu)}
.hint{font-size:14px;color:var(--mu);background:#fff;border:1px dashed var(--ln);padding:10px 14px;border-radius:10px}
.st{border-top:1px solid var(--ln);padding-top:30px}
.concept,.tblk,.pr,.prac,.sum{background:#fff;border:1px solid var(--ln);border-radius:16px;padding:18px 20px;margin:16px 0}
.concept h4,.tblk h4,.pr h4,.prac h4,.sum h4{margin:0 0 8px;font-size:18px;color:var(--g)}
.concept .an{background:var(--gl);border-radius:10px;padding:10px 14px}.concept .ex{background:var(--bl);border-radius:10px;padding:10px 14px;margin-bottom:0}
.ph{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.num{background:var(--o);color:#fff;font-weight:800;font-size:13px;padding:3px 10px;border-radius:6px}.ph h4{margin:0}
.pg{display:grid;grid-template-columns:300px 1fr;gap:18px;margin-top:14px}
.stp{margin:0;padding-left:20px;font-size:14.5px}.stp li{margin-bottom:6px}
.code{background:#0E2A21;border-radius:12px;overflow:hidden;min-width:0}
.cb{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:#0A2019;color:#A9C7BB;font-size:13px;font-weight:600}
.copy{border:0;background:var(--o);color:#fff;font:700 13px var(--f);padding:6px 12px;border-radius:7px;cursor:pointer}.copy.done{background:#2E9B68}
pre{margin:0;padding:14px 16px;color:#EAF4EF;font:14px/1.6 Consolas,"Cascadia Mono",monospace;white-space:pre-wrap;word-break:break-word;max-height:460px;overflow:auto}
.nt{overflow-wrap:anywhere;font-size:14px;color:#6A4A12;background:#FFF7E8;border-left:4px solid var(--o);padding:8px 12px;border-radius:8px;margin:12px 0 0}
.qz{background:#fff;border:2px solid var(--b);border-radius:16px;padding:14px 18px;margin:16px 0}
.qz summary{cursor:pointer;font-weight:700;color:var(--b);list-style:none}.qz summary::-webkit-details-marker{display:none}
.qi{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--b);color:#fff;margin-right:6px}
.qz ul{list-style:none;padding:0;margin:12px 0}.qz li{padding:8px 12px;border:1px solid var(--ln);border-radius:9px;margin:6px 0}
.qz[open] li.ok{border-color:#2E9B68;background:#E6F5EC}.qa{background:var(--gl);padding:10px 14px;border-radius:10px;margin:0}
.prac{border:2px solid var(--o)}.tag{display:inline-block;background:var(--o);color:#fff;font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:6px;margin-bottom:8px}
.sums{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}.sum{margin:0;border-top:5px solid var(--g)}.sum ul{padding-left:20px}
.pn{display:flex;justify-content:space-between;margin:40px 0}.pn a{background:var(--g);color:#fff;text-decoration:none;font-weight:700;padding:11px 18px;border-radius:10px}
.flt{width:100%;font:16px var(--f);padding:12px 16px;border:2px solid var(--ln);border-radius:12px;margin-bottom:12px}.flt:focus{outline:none;border-color:var(--g)}
.check{list-style:none;padding:0;margin:0;display:grid;gap:8px}.check label{display:flex;gap:12px;background:#fff;border:1px solid var(--ln);border-radius:10px;padding:12px 14px;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--g);flex:none;margin-top:3px}.check input:checked+span{color:var(--mu);text-decoration:line-through}
footer{background:var(--g);color:#D6E7DF;font-size:14px;padding:24px 0;margin-top:50px}
@media(max-width:900px){.two,.days,.goals,.pg{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}
.menu{display:block}nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;padding:10px 16px;border-bottom:3px solid var(--g);flex-direction:column}
body.open nav{display:flex}.brand small{display:none}.files small{padding-left:0}}
.de h2{font-size:24px;color:var(--g);margin:40px 0 10px;padding-top:24px;border-top:1px solid var(--ln);font-weight:800;scroll-margin-top:90px}
.de h3{font-size:18px;color:var(--g);margin:22px 0 8px}.de p,.de li{max-width:900px}.de code{background:var(--gl);padding:1px 6px;border-radius:5px;font-size:.92em;word-break:break-word}
.de .code{margin:12px 0}.de .code pre{max-height:none}.de hr{display:none}.de table{margin:6px 0}.de .tw{margin:10px 0}
.ft.excel{background:#E3F2E6;color:#1E6B34}
@media print{.top,.cta,.copy,footer,.menu{display:none!important}.hero{background:none;color:var(--ink)}}