:root{
  --ink:#131210; --ink2:#1c1a17; --gold:#c8a24c; --gold-l:#e8ce8e; --gold-d:#8c6d2f;
  --cream:#f5f0e6; --paper:#faf7f0; --line:#e7ddc9; --muted:#6f6757; --green:#1e7d45; --red:#b23b2e;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,Arial,sans-serif;color:#211e19;background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Be Vietnam Pro',system-ui,sans-serif;line-height:1.2;margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.narrow{max-width:920px;margin:0 auto;padding:0 22px}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(19,18,16,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(200,162,76,.28)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px}
.brand .logo{height:36px;width:auto;display:block}
.brand .tag{display:none;color:#b8ad97;font-size:10.5px;letter-spacing:.04em;font-weight:400;border-left:1px solid rgba(200,162,76,.35);padding-left:11px;line-height:1.3;max-width:170px}
@media(min-width:980px){.brand .tag{display:block}}
.brand b{color:var(--gold-l);letter-spacing:.14em;font-size:14px;font-weight:700}
.brand span{display:block;color:#b8ad97;font-size:10.5px;letter-spacing:.05em;font-weight:400}
.foot-logo{height:30px;width:auto;display:block;margin-bottom:10px}
.nav nav{display:flex;gap:26px}
.nav nav a{color:#d9cfb9;font-size:13.5px;font-weight:500;transition:color .2s}
.nav nav a:hover{color:var(--gold-l)}
.nav .cta{background:var(--gold);color:#1a1712;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:700}
@media(max-width:760px){.nav nav{display:none}}

/* HERO */
.hero{background:radial-gradient(1100px 520px at 78% -10%,rgba(200,162,76,.20),transparent),linear-gradient(180deg,#131210,#1c1a17);color:var(--cream);position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(200,162,76,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(200,162,76,.05) 1px,transparent 1px);background-size:46px 46px;opacity:.5;pointer-events:none}
.hero .wrap{position:relative;z-index:1;padding:84px 22px 92px}
.kicker{display:inline-block;border:1px solid rgba(200,162,76,.45);color:var(--gold-l);padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.14em;font-weight:600;text-transform:uppercase}
.hero h1{font-size:clamp(34px,5.4vw,62px);font-weight:800;margin:22px 0 6px;letter-spacing:-.01em}
.hero h1 .g{color:var(--gold)}
.hero .sub{font-size:clamp(16px,2.1vw,21px);color:#cfc4ad;max-width:720px;font-weight:400}
.hero .meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chip{background:rgba(245,240,230,.07);border:1px solid rgba(200,162,76,.28);color:#e9e0cc;padding:9px 15px;border-radius:10px;font-size:13px}
.chip b{color:var(--gold-l)}

/* SECTION */
.sec{padding:60px 0}
.sec.alt{background:linear-gradient(180deg,#fff,var(--paper))}
.ey{color:var(--gold-d);font-weight:700;letter-spacing:.16em;font-size:12.5px;text-transform:uppercase}
.h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;color:var(--ink);margin:8px 0 6px}
.lead{color:var(--muted);font-size:16.5px;max-width:760px}

/* REPORT CARDS */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0;overflow:hidden;display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 48px -22px rgba(140,109,47,.45)}
.card .top{background:linear-gradient(135deg,var(--ink),var(--ink2));padding:24px 24px 20px;color:var(--cream);position:relative}
.card .num{position:absolute;top:16px;right:20px;font-size:46px;font-weight:800;color:rgba(200,162,76,.22);line-height:1}
.card .ico{width:48px;height:48px;border-radius:12px;background:rgba(200,162,76,.16);border:1px solid rgba(200,162,76,.4);display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:14px}
.card .top h3{font-size:19px;font-weight:700;color:#fff}
.card .top .tag{color:var(--gold-l);font-size:12px;font-weight:600;letter-spacing:.06em}
.card .body{padding:20px 24px 24px;flex:1;display:flex;flex-direction:column}
.card .body p{color:var(--muted);font-size:14.5px;margin:0 0 16px}
.card ul{list-style:none;margin:0 0 20px;padding:0}
.card ul li{font-size:13.6px;color:#3c372e;padding:6px 0 6px 24px;position:relative;border-bottom:1px dashed #efe7d5}
.card ul li:before{content:"";position:absolute;left:4px;top:13px;width:7px;height:7px;border-radius:2px;background:var(--gold);transform:rotate(45deg)}
.card .open{margin-top:auto;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:var(--gold-l);font-weight:700;font-size:14px;padding:12px 18px;border-radius:11px;transition:background .2s}
.card .open:hover{background:var(--gold);color:#1a1712}

/* GENERIC */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
@media(max-width:760px){.stat-row{grid-template-columns:repeat(2,1fr)}}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.stat .n{font-size:30px;font-weight:800;color:var(--gold-d)}
.stat .l{color:var(--muted);font-size:13.5px;margin-top:4px}

.footer{background:var(--ink);color:#b8ad97;padding:46px 0 30px;font-size:13.5px}
.footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
.footer a{color:var(--gold-l)}
.footer .small{color:#7b725f;font-size:12px;margin-top:8px}

/* ===== REPORT PAGES ===== */
.rphero{background:linear-gradient(180deg,#131210,#1c1a17);color:var(--cream);padding:62px 0 46px;border-bottom:3px solid var(--gold)}
.rphero .eyb{color:var(--gold-l);font-weight:600;letter-spacing:.16em;font-size:12.5px;text-transform:uppercase}
.rphero h1{font-size:clamp(28px,4.2vw,46px);font-weight:800;margin:12px 0 8px}
.rphero p{color:#cfc4ad;max-width:760px;font-size:17px}
.rphero .back{display:inline-flex;align-items:center;gap:7px;color:#cfc4ad;font-size:13.5px;margin-bottom:18px}
.rphero .back:hover{color:var(--gold-l)}
.doc{background:#fff;border:1px solid var(--line);border-radius:16px;margin:-30px auto 60px;padding:46px 52px;box-shadow:0 26px 60px -34px rgba(0,0,0,.28);position:relative;z-index:2}
@media(max-width:760px){.doc{padding:30px 22px}}
.doc h2{font-size:22px;font-weight:800;color:var(--ink);margin:38px 0 12px;padding-bottom:9px;border-bottom:2px solid var(--gold);display:flex;align-items:center;gap:10px}
.doc h2 .rn{background:var(--ink);color:var(--gold-l);font-size:13px;font-weight:700;padding:3px 10px;border-radius:7px}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:16.5px;font-weight:700;color:var(--gold-d);margin:24px 0 8px}
.doc p{margin:0 0 12px;color:#332f27}
.doc ul{margin:0 0 14px;padding-left:0;list-style:none}
.doc ul li{position:relative;padding:5px 0 5px 26px;color:#332f27}
.doc ul li:before{content:"";position:absolute;left:6px;top:13px;width:7px;height:7px;background:var(--gold);border-radius:2px;transform:rotate(45deg)}
.doc ul li b{color:var(--ink)}
.doc table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14px}
.doc thead th{background:var(--ink);color:var(--gold-l);text-align:left;padding:11px 13px;font-weight:600;font-size:13px}
.doc tbody td{padding:10px 13px;border-bottom:1px solid #eee4ce;vertical-align:top}
.doc tbody tr:nth-child(even){background:#faf6ec}
.doc td.c,.doc th.c{text-align:center;white-space:nowrap}
.doc td.r,.doc th.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
/* Bảng dự toán: ghi chú & cột nguồn không xuống dòng */
.doc table.budget{font-size:13px}
.doc table.budget td,.doc table.budget th{padding:8px 11px}
.doc table.budget td:last-child,.doc table.budget th:last-child{white-space:nowrap}
.callout{background:linear-gradient(135deg,#131210,#1c1a17);color:var(--cream);border-radius:14px;padding:22px 26px;margin:22px 0;border-left:4px solid var(--gold)}
.callout .t{color:var(--gold-l);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:7px}
.callout p{color:#e8dfca;margin:0}
.callout.green{background:linear-gradient(135deg,#0e3d24,#11472a);border-left-color:var(--gold-l)}
.note{background:#fcf6e8;border:1px solid #ecdcb4;border-left:4px solid var(--gold);border-radius:10px;padding:14px 18px;margin:16px 0;font-size:14px;color:#5b4f33}
.note.warn{background:#fdf1ef;border-color:#f1c9c2;border-left-color:var(--red);color:#7a3127}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:30px}
.toc .tt{font-weight:700;color:var(--gold-d);font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.toc ol{margin:0;padding-left:20px;columns:2;color:#3c372e;font-size:14px}
@media(max-width:600px){.toc ol{columns:1}}
.toc a:hover{color:var(--gold-d);text-decoration:underline}
.tag-pos{color:var(--green);font-weight:700}
.tag-neg{color:var(--red);font-weight:700}
.src{font-size:13px;color:var(--muted)}
.src b{color:#3c372e}
.pill{display:inline-block;background:rgba(200,162,76,.16);color:var(--gold-d);border:1px solid rgba(200,162,76,.4);padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}

/* ===== CỔNG BẢO MẬT TÀI LIỆU NỘI BỘ ===== */
.gate{min-height:62vh;display:flex;align-items:center;justify-content:center;padding:54px 18px;background:radial-gradient(900px 420px at 50% -10%,rgba(200,162,76,.12),transparent)}
.gate-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:38px 34px;text-align:center;box-shadow:0 26px 60px -32px rgba(140,109,47,.45)}
.gate-logo{width:62px;height:62px;border-radius:14px;display:block;margin:0 auto 16px}
.gate-badge{display:inline-block;background:rgba(200,162,76,.16);color:var(--gold-d);border:1px solid rgba(200,162,76,.4);padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:14px}
.gate-card h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:8px}
.gate-card p{color:var(--muted);font-size:14.5px;margin:0 0 20px}
#gate-form{display:flex;flex-direction:column;gap:11px}
#gate-pw{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-size:15px;font-family:inherit;outline:none;transition:border-color .2s}
#gate-pw:focus{border-color:var(--gold)}
#gate-form button{background:var(--ink);color:var(--gold-l);border:none;padding:13px 18px;border-radius:11px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;transition:background .2s,color .2s}
#gate-form button:hover{background:var(--gold);color:#1a1712}
.gate-err{color:var(--red);font-size:13.5px;min-height:18px;margin-top:10px;font-weight:600}
.gate-back{display:inline-block;margin-top:14px;color:var(--muted);font-size:13px}
.gate-back:hover{color:var(--gold-d)}

/* ===== BIỂU ĐỒ MINH HỌA ===== */
.viz{margin:20px 0 24px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.viz-cap{font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--gold-d);margin-bottom:18px;text-align:center}
.viz-note{font-size:13px;color:var(--muted);font-style:italic;margin-top:16px;text-align:center;line-height:1.55}
/* Infographic tăng trưởng */
.growth{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap}
.growth-item{text-align:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 24px;min-width:148px}
.growth-item.hi{border-color:var(--gold);box-shadow:0 12px 28px -16px rgba(140,109,47,.55)}
.growth-num{font-size:30px;font-weight:800;color:var(--ink);line-height:1}
.growth-item.hi .growth-num{color:var(--gold-d)}
.growth-num span{font-size:13.5px;font-weight:600;margin-left:3px}
.growth-lbl{font-size:12.5px;color:var(--muted);margin-top:7px}
.growth-arrow{display:flex;flex-direction:column;align-items:center;gap:5px}
.growth-arrow .a{font-size:26px;line-height:1;color:var(--gold-d);font-weight:800}
.growth-arrow .b{font-size:11px;font-weight:700;color:var(--gold-d);background:rgba(200,162,76,.16);border:1px solid rgba(200,162,76,.4);border-radius:999px;padding:2px 9px;white-space:nowrap}
@media(max-width:600px){.growth-arrow .a{transform:rotate(90deg)}}
/* Biểu đồ cột ngang */
.bars{display:flex;flex-direction:column;gap:13px}
.bar-row{display:grid;grid-template-columns:190px 1fr;align-items:center;gap:14px}
@media(max-width:600px){.bar-row{grid-template-columns:1fr;gap:4px}}
.bar-lbl{font-size:13.5px;color:#3c372e;font-weight:600}
.bar-track{background:#eadfc6;border-radius:999px;height:26px;overflow:hidden}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--gold-d),var(--gold));border-radius:999px;display:flex;align-items:center;justify-content:flex-end;min-width:48px;transition:width .6s ease}
.bar-fill.alt{background:#c9bb9a}
.bar-fill span{color:#fff;font-size:12.5px;font-weight:700;padding-right:12px}
/* Biểu đồ tròn */
.donut-wrap{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap}
.donut{flex:none}
.legend{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;min-width:230px}
.legend li{font-size:14px;color:#3c372e;display:flex;align-items:center;gap:10px}
.legend b{margin-left:auto;color:var(--ink);font-variant-numeric:tabular-nums}
.legend .dot{width:13px;height:13px;border-radius:4px;flex:none}
/* Timeline (rundown & cột mốc) */
.timeline{margin:18px 0 10px}
.tl-item{display:grid;grid-template-columns:80px 26px 1fr}
.tl-time{font-size:12.5px;font-weight:700;color:var(--gold-d);text-align:right;padding:11px 10px 0 0;line-height:1.25}
.tl-rail{position:relative}
.tl-rail::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--line);transform:translateX(-50%)}
.tl-item:first-child .tl-rail::before{top:14px}
.tl-item:last-child .tl-rail::before{height:14px;bottom:auto}
.tl-dot{position:absolute;left:50%;top:13px;width:11px;height:11px;border-radius:50%;background:#fff;border:2px solid var(--gold);transform:translateX(-50%);z-index:1}
.tl-card{padding:6px 0 16px 14px}
.tl-title{font-weight:700;color:var(--ink);font-size:14.5px}
.tl-note{color:var(--muted);font-size:13px;margin-top:2px;line-height:1.5}
.tl-item.hi .tl-dot{background:var(--gold);width:15px;height:15px;top:11px;box-shadow:0 0 0 4px rgba(200,162,76,.2)}
.tl-item.hi .tl-card{background:linear-gradient(180deg,#fff,var(--paper));border:1px solid var(--gold);border-radius:10px;padding:10px 14px;margin-bottom:14px}
.tl-item.hi .tl-title{color:var(--gold-d)}
@media(max-width:600px){.tl-item{grid-template-columns:58px 22px 1fr}.tl-time{font-size:11px;padding-right:6px}}
/* Biểu đồ kịch bản (cột phân kỳ âm/dương) */
.diverge{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.div-row{display:grid;grid-template-columns:120px 1fr;align-items:center;gap:12px}
@media(max-width:600px){.div-row{grid-template-columns:84px 1fr}}
.div-lbl{font-size:13px;font-weight:600;color:#3c372e}
.div-track{position:relative;height:30px;background:#fff;border:1px solid var(--line);border-radius:8px}
.div-zero{position:absolute;left:50%;top:-3px;bottom:-3px;width:2px;background:#c9bda3;transform:translateX(-50%)}
.div-bar{position:absolute;top:4px;bottom:4px;display:flex;align-items:center;border-radius:5px;min-width:36px}
.div-bar.neg{background:linear-gradient(90deg,#c0392b,#d9695c);justify-content:flex-start;padding-left:8px}
.div-bar.pos{background:linear-gradient(90deg,var(--gold-d),var(--gold));justify-content:flex-end;padding-right:8px}
.div-bar span{font-size:12px;font-weight:700;color:#fff;white-space:nowrap}

/* ===== KHU PHẢN HỒI ===== */
.fbwrap{background:linear-gradient(180deg,#fff,var(--paper));padding:18px 0 60px}
.fb{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 34px;box-shadow:0 18px 44px -30px rgba(0,0,0,.22)}
@media(max-width:760px){.fb{padding:22px 16px}}
.fb-h{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:4px}
.fb-sub{color:var(--muted);font-size:14px;margin:0 0 18px}
.fb-form{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.fb-row{display:flex;gap:10px}
@media(max-width:600px){.fb-row{flex-direction:column}}
.fb-form input,.fb-form textarea{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;outline:none;transition:border-color .2s;background:#fff}
.fb-form input:focus,.fb-form textarea:focus{border-color:var(--gold)}
.fb-form textarea{resize:vertical;min-height:84px}
.fb-actions{display:flex;align-items:center;gap:14px}
.fb-form button{background:var(--ink);color:var(--gold-l);border:none;padding:11px 22px;border-radius:10px;font-size:14.5px;font-weight:700;font-family:inherit;cursor:pointer;transition:background .2s,color .2s}
.fb-form button:hover{background:var(--gold);color:#1a1712}
.fb-status{font-size:13.5px;color:var(--gold-d);font-weight:600}
.fb-list{display:flex;flex-direction:column;gap:12px}
.fb-count{font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-d);margin-bottom:2px}
.fb-empty{color:var(--muted);font-size:14px;font-style:italic;padding:10px 0}
.fb-item{border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:13px 16px;background:var(--paper)}
.fb-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:5px;font-size:13px}
.fb-name{font-weight:700;color:var(--ink)}
.fb-sec{background:rgba(200,162,76,.16);color:var(--gold-d);border:1px solid rgba(200,162,76,.4);padding:1px 9px;border-radius:999px;font-size:11.5px;font-weight:600}
.fb-time{color:var(--muted);font-size:12px;margin-left:auto}
.fb-body{color:#332f27;font-size:14.5px;line-height:1.6}

/* ===== TỐI ƯU ĐIỆN THOẠI ===== */
@media(max-width:760px){
  .wrap,.narrow{padding-left:16px;padding-right:16px}
  .nav .wrap{height:58px}
  .brand .logo{height:30px}
  .nav .cta{padding:7px 13px;font-size:12.5px}
  .hero .wrap{padding:50px 16px 56px}
  .hero h1{font-size:32px}
  .hero .sub{font-size:15.5px}
  .chip{font-size:12px;padding:8px 12px}
  .sec{padding:42px 0}
  .rphero{padding:40px 0 32px}
  .rphero h1{font-size:26px}
  .rphero p{font-size:15px}
  .doc{padding:24px 16px;margin-top:-22px;border-radius:13px}
  .doc h2{font-size:18px;margin:28px 0 10px}
  .doc h3{font-size:15px}
  .doc p,.doc ul li{font-size:14.5px}
  /* Bảng cuộn ngang gọn gàng, không vỡ layout */
  .doc table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .doc table.budget{font-size:12.5px}
  .toc ol{columns:1}
  .footer .wrap{flex-direction:column;align-items:flex-start;text-align:left}
  .footer div[style*="right"]{text-align:left!important}
  .stat-row{grid-template-columns:1fr 1fr}
}
@media(max-width:430px){
  .hero h1{font-size:27px}
  .stat-row{grid-template-columns:1fr}
}