/* Thành Phát · hải đồ luồng sông */
:root{
  --hull:#002f4f;
  --hull-deep:#00223a;
  --hull-line:#1b4767;
  --river:#1f4a82;
  --river-soft:#9db8d6;
  --chart:#eef3f7;
  --chart-2:#e2eaf1;
  --rule:#c6d3de;
  --paper:#ffffff;
  --ink:#0d2233;
  --muted:#46596a;
  --on-hull:#e9f1f7;
  --on-hull-muted:#a9c0d2;
  --buoy:#fa4154;
  --buoy-act:#d61f38;
  --buoy-act-hover:#b9162d;
  --head:'Source Serif 4',Georgia,'Times New Roman',serif;
  --body:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap:1180px;
  --gut:clamp(16px,4vw,40px);
  --ease:cubic-bezier(.16,1,.3,1);
  --r:6px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);font-size:17px;line-height:1.65;color:var(--ink);background:var(--chart);font-feature-settings:"lnum" 1;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--river);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
::selection{background:var(--river);color:#fff}
:focus-visible{outline:3px solid var(--buoy);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--head);color:inherit;text-wrap:balance;margin:0}
h2{font-weight:600;font-size:clamp(1.65rem,3.2vw,2.35rem);line-height:1.15;letter-spacing:-.012em}
h3{font-weight:600;font-size:1.15rem;line-height:1.3}
p{margin:0}
.num{font-variant-numeric:tabular-nums lining-nums}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--hull);color:#fff;padding:10px 16px;border-radius:var(--r);font-weight:600}
.skip:focus{top:12px}

/* ---------- đầu trang ---------- */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--rule);backdrop-filter:saturate(1.4) blur(8px)}
.top .wrap{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--hull);flex:none}
.brand .mark{display:block;width:62px;height:42px;overflow:hidden;flex:none}
.brand .mark img{width:62px;height:auto}
.brand span{font:700 1rem/1.15 var(--head);letter-spacing:.02em}
.brand small{display:block;font:500 .78rem/1.4 var(--body);color:var(--muted)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.94rem;padding:8px 12px;border-radius:var(--r);transition:background-color .2s var(--ease),color .2s var(--ease)}
.nav a:hover{background:var(--chart);color:var(--hull)}
.nav a[aria-current=page]{color:var(--hull);font-weight:600}
.call{display:inline-flex;align-items:center;gap:8px;background:var(--hull);color:#fff;text-decoration:none;font:600 .95rem var(--head);padding:11px 16px;border-radius:var(--r);flex:none;transition:background-color .2s var(--ease)}
.call:hover{background:var(--river)}
.call svg{width:18px;height:18px}
.menu-btn{display:none}
@media (max-width:1060px){
  .nav{display:none;position:absolute;left:0;right:0;top:76px;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--rule);padding:8px var(--gut) 16px;box-shadow:0 18px 30px -18px rgba(0,34,58,.35)}
  .nav.open{display:flex}
  .nav a{padding:13px 4px;border-bottom:1px solid var(--chart-2);border-radius:0;font-size:1rem}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;width:46px;height:46px;border:1px solid var(--rule);background:#fff;border-radius:var(--r);color:var(--hull);cursor:pointer}
  .menu-btn svg{width:22px;height:22px}
}
@media (max-width:640px){
  .top .wrap{height:64px;gap:10px}
  .brand .mark{width:50px;height:34px}
  .brand .mark img{width:50px}
  .brand span{font-size:.82rem}
  .call{display:none}
  .nav{top:64px}
  html{scroll-padding-top:76px}
}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 1rem/1 var(--head);padding:16px 22px;border-radius:var(--r);border:0;cursor:pointer;text-decoration:none;transition:background-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}
.btn svg{width:20px;height:20px;flex:none}
.btn-go{background:var(--buoy-act);color:#fff;box-shadow:0 6px 14px -6px rgba(0,20,36,.45)}
.btn-go:hover{background:var(--buoy-act-hover);transform:translateY(-1px);box-shadow:0 10px 20px -8px rgba(0,20,36,.5)}
.btn-line{background:transparent;color:var(--hull);box-shadow:inset 0 0 0 1.5px var(--hull)}
.btn-line:hover{background:var(--hull);color:#fff}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- hero: ảnh sông + phiếu ---------- */
.hero{position:relative;background:var(--hull);color:var(--on-hull);overflow:hidden}
.hero-photo{position:absolute;inset:0;background:url(/hero.jpg) center 42%/cover no-repeat}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,34,58,.25) 0%,rgba(0,34,58,.55) 45%,var(--hull) 92%),linear-gradient(90deg,rgba(0,34,58,.85) 0%,rgba(0,34,58,.2) 70%)}
.hero .wrap{position:relative;padding-top:clamp(72px,12vw,150px);padding-bottom:0}
.hero-copy{max-width:760px;position:relative}
.hero h1{font-weight:600;font-size:clamp(2.1rem,4.8vw,3.6rem);line-height:1.08;letter-spacing:-.015em;color:#fff;max-width:21ch}
.hero h1 em{font-style:normal;white-space:nowrap}
.hero .lead{margin-top:22px;font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--on-hull);max-width:56ch}
.hero .lead strong{color:#fff}

/* phiếu yêu cầu vận chuyển */
.slip{position:relative;margin-top:clamp(36px,5vw,56px);background:var(--paper);color:var(--ink);border-radius:10px 10px 0 0;box-shadow:0 -1px 0 rgba(255,255,255,.12),0 30px 60px -30px rgba(0,0,0,.6)}
.slip-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 20px;padding:18px 24px 14px;border-bottom:1px solid var(--chart-2)}
.slip-head h2{font-size:1.15rem;letter-spacing:0;font-weight:600;color:var(--hull)}
.slip-head p{font-size:.88rem;color:var(--muted)}
.slip-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr 1fr auto;align-items:stretch}
.cell{display:flex;flex-direction:column;gap:4px;padding:14px 20px 16px;border-right:1px solid var(--chart-2);min-width:0}
.cell:last-child{border-right:0}
.cell label,.cell .lbl{font:500 .84rem/1.2 var(--body);color:var(--muted)}
.cell input,.cell select{font:600 1.05rem/1.3 var(--body);color:var(--ink);border:0;border-bottom:1.5px solid var(--rule);padding:8px 0 6px;background:transparent;width:100%;border-radius:0;transition:border-color .2s var(--ease)}
.cell input::placeholder{color:#5a6e80;font-weight:400}
.cell input:focus,.cell select:focus{outline:none;border-bottom-color:var(--river)}
.cell input[aria-invalid=true]{border-bottom-color:var(--buoy-act)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.chips label{font:600 .9rem var(--body);letter-spacing:0;text-transform:none;color:var(--ink);cursor:pointer}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-block;padding:7px 12px;border-radius:999px;box-shadow:inset 0 0 0 1.5px var(--rule);transition:background-color .15s var(--ease),box-shadow .15s var(--ease),color .15s var(--ease)}
.chips label:hover span{box-shadow:inset 0 0 0 1.5px var(--river)}
.chips input:checked+span{background:var(--hull);color:#fff;box-shadow:none}
.chips input:focus-visible+span{outline:3px solid var(--buoy);outline-offset:2px}
.cell-act{justify-content:center;gap:8px;padding:14px 20px;background:var(--chart);border-radius:0 10px 0 0}
.cell-act .btn{width:100%;white-space:nowrap}
.slip-foot{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;padding:12px 24px;border-top:1px solid var(--chart-2);font-size:.9rem;color:var(--muted)}
.slip-foot a{font-weight:600;color:var(--hull)}
.status{min-height:1.4em;font-weight:600;color:var(--river)}
.status.err{color:var(--buoy-act)}

@media (max-width:1060px){
  .slip-grid{grid-template-columns:1fr 1fr}
  .cell{border-bottom:1px solid var(--chart-2)}
  .cell-cargo{grid-column:1/-1}
  .cell:nth-child(odd){border-right:0}
  .cell-act{grid-column:1/-1;border-radius:0;flex-direction:row}
}
@media (max-width:560px){
  .slip-grid{grid-template-columns:1fr}
  .cell{border-right:0}
  .cell-act{flex-direction:column}
  .slip-head,.slip-foot{padding-left:18px;padding-right:18px}
  .cell{padding-left:18px;padding-right:18px}
}

/* dải thông số dưới phiếu */
.board{background:var(--hull-deep);color:var(--on-hull)}
.board dl{display:grid;grid-template-columns:repeat(4,1fr);margin:0}
.board div{padding:22px 24px;border-right:1px solid var(--hull-line)}
.board div:last-child{border-right:0}
.board dt{font:500 .86rem/1.3 var(--body);color:var(--on-hull-muted)}
.board dd{margin:4px 0 0;font:600 clamp(1.4rem,2.6vw,2rem)/1.1 var(--head);color:#fff;font-variant-numeric:tabular-nums}
.board dd small{font:500 .9rem var(--body);color:var(--on-hull-muted);margin-left:4px}
@media (max-width:760px){.board dl{grid-template-columns:1fr 1fr}.board div:nth-child(2){border-right:0}.board div:nth-child(-n+2){border-bottom:1px solid var(--hull-line)}.board div{padding:16px 18px}}

/* ---------- section chung ---------- */
.sec{padding:clamp(64px,9vw,112px) 0}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:16px 56px;align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.sec-head p{color:var(--muted);max-width:58ch}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}}
.on-paper{background:var(--paper)}
.on-hull{background:var(--hull);color:var(--on-hull)}
.on-hull h2,.on-hull h3{color:#fff}
.on-hull .sec-head p{color:var(--on-hull-muted)}

/* ---------- bảng hàng hóa ---------- */
.manifest{border-top:2px solid var(--hull)}
.mrow{display:grid;grid-template-columns:72px minmax(150px,1fr) 2.2fr;gap:8px 28px;align-items:center;padding:22px 0;border-bottom:1px solid var(--rule)}
.mrow svg{width:64px;height:40px;color:var(--river)}
.mrow h3{font-size:1.3rem;font-weight:600;color:var(--hull)}
.mrow p{color:var(--muted)}
.manifest-note{margin-top:20px;color:var(--muted)}
.manifest-note a{font-weight:600}
@media (max-width:640px){.mrow{grid-template-columns:52px 1fr;padding:18px 0}.mrow svg{width:48px;height:30px}.mrow p{grid-column:1/-1}}

/* ---------- hải đồ tuyến ---------- */
.chart-wrap{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start}
@media (max-width:900px){.chart-wrap{grid-template-columns:1fr}}
.chart{position:relative;background:var(--chart);border-radius:var(--r);box-shadow:inset 0 0 0 1px var(--rule);overflow:hidden}
.chart svg{display:block;width:100%;height:auto}
.chart .sea{fill:#d7e3ee}
.chart .grid line{stroke:#c9d7e3;stroke-width:.6}
.chart .coast{fill:none;stroke:#8fa9c2;stroke-width:1.2}
.chart .isl{fill:#c3d4e4}
.chart .route{fill:none;stroke:var(--river);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.chart .route-dash{fill:none;stroke:#fff;stroke-width:1.2;stroke-dasharray:4 7;stroke-linecap:round}
.chart .branch{fill:none;stroke:var(--river);stroke-width:2;stroke-dasharray:1 6;stroke-linecap:round}
.chart .node circle{fill:#fff;stroke:var(--hull);stroke-width:2.2;transition:r .3s var(--ease),fill .3s var(--ease),stroke .3s var(--ease)}
.chart .node text{font:700 13px var(--head);fill:var(--hull);paint-order:stroke;stroke:var(--chart);stroke-width:4px;stroke-linejoin:round}
.chart .node.on circle{fill:var(--buoy);stroke:var(--buoy);r:9}
.chart .node.on text{fill:var(--buoy-act-hover)}
.chart .barge rect{fill:var(--hull)}
.chart .barge path{fill:var(--buoy)}
.chart .lbl-sea{font:500 12px var(--body);fill:#6d8aa6;letter-spacing:.06em}
.chart figcaption{position:absolute;left:14px;bottom:10px;font-size:.78rem;color:var(--muted)}
.ports{border-top:2px solid var(--hull)}
.ports button{all:unset;box-sizing:border-box;display:grid;grid-template-columns:1fr auto;gap:2px 12px;width:100%;padding:14px 4px;border-bottom:1px solid var(--rule);cursor:pointer;transition:background-color .2s var(--ease)}
.ports button:hover{background:rgba(31,74,130,.06)}
.ports button:focus-visible{outline:3px solid var(--buoy);outline-offset:-3px}
.ports b{font:600 1.08rem var(--head);color:var(--hull)}
.ports i{font-style:normal;font:500 .86rem var(--body);color:var(--muted);align-self:center}
.ports span{grid-column:1/-1;color:var(--muted);font-size:.94rem;display:none}
.ports button[aria-expanded=true]{background:#fff}
.ports button[aria-expanded=true] b{color:var(--buoy-act-hover)}
.ports button[aria-expanded=true] span{display:block}
.ports-note{margin-top:16px;font-size:.92rem;color:var(--muted)}

/* ---------- đội tàu ---------- */
.fleet{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px)}
@media (max-width:860px){.fleet{grid-template-columns:1fr}}
.ship figure{margin:0;position:relative}
.ship img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r)}
.tag{position:absolute;left:12px;top:12px;background:rgba(0,34,58,.82);color:#fff;font-size:.78rem;font-weight:600;padding:4px 10px;border-radius:4px}
.ship h3{font-size:1.45rem;font-weight:600;margin:20px 0 12px}
.spec{width:100%;border-collapse:collapse;font-size:.96rem}
.spec th,.spec td{text-align:left;padding:10px 0;border-bottom:1px solid var(--hull-line);vertical-align:top}
.spec th{font-weight:500;color:var(--on-hull-muted);width:42%;padding-right:16px}
.spec td{font-weight:600;color:#fff;font-variant-numeric:tabular-nums}
.trucks{margin-top:clamp(40px,6vw,64px);padding-top:28px;border-top:1px solid var(--hull-line);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:24px 48px;align-items:center}
@media (max-width:860px){.trucks{grid-template-columns:1fr}}
.trucks p{color:var(--on-hull-muted)}
.trucks p strong{display:block;font:600 clamp(1.6rem,3vw,2.2rem)/1.1 var(--head);color:#fff;margin-bottom:8px;font-variant-numeric:tabular-nums}
.dots{display:grid;grid-template-columns:repeat(30,1fr);gap:3px}
.dots i{aspect-ratio:1;border-radius:1.5px;background:var(--river-soft)}
.dots i.b{background:#5f86b5}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:12px;font-size:.85rem;color:var(--on-hull-muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}

/* ---------- ảnh thực tế ---------- */
.gal{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:auto auto;gap:14px}
.gal figure{margin:0;position:relative;overflow:hidden;border-radius:var(--r)}
.gal figure:first-child{grid-row:1/3}
.gal img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2;transition:transform .8s var(--ease)}
.gal figure:hover img{transform:scale(1.03)}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 10px;background:linear-gradient(0deg,rgba(0,34,58,.8),transparent);color:#fff;font-size:.88rem;font-weight:500}
@media (max-width:700px){.gal{grid-template-columns:1fr}.gal figure:first-child{grid-row:auto}}

/* ---------- lý do ---------- */
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(24px,5vw,72px);border-top:2px solid var(--hull)}
.why div{padding:22px 0 24px;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:36px 1fr;gap:4px 14px}
.why svg{width:28px;height:28px;color:var(--river);grid-row:1/3;margin-top:2px}
.why h3{color:var(--hull)}
.why p{color:var(--muted)}
@media (max-width:760px){.why{grid-template-columns:1fr}}

/* ---------- quy trình ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:21px;border-top:2px dashed var(--river-soft)}
.steps li{counter-increment:s;position:relative;padding-right:24px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--hull);color:#fff;font:600 1.05rem var(--head);margin-bottom:18px;position:relative;box-shadow:0 0 0 6px var(--chart)}
.steps h3{margin-bottom:6px;color:var(--hull)}
.steps p{color:var(--muted);font-size:.97rem}
@media (max-width:860px){
  .steps{grid-template-columns:1fr;gap:0}
  .steps::before{left:21px;right:auto;top:0;bottom:0;border-top:0;border-left:2px dashed var(--river-soft)}
  .steps li{padding:0 0 28px 66px}
  .steps li::before{position:absolute;left:0;top:-4px;margin:0}
}

/* ---------- công cụ số ---------- */
.tool{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--hull-line)}
.tool div{padding:24px 24px 26px 0;border-right:1px solid var(--hull-line)}
.tool div+div{padding-left:24px}
.tool div:last-child{border-right:0}
.tool h3{margin-bottom:6px}
.tool p{color:var(--on-hull-muted);font-size:.97rem}
.tool-note{margin-top:24px;color:var(--on-hull-muted);max-width:66ch}
@media (max-width:760px){.tool{grid-template-columns:1fr}.tool div,.tool div+div{padding:20px 0;border-right:0;border-bottom:1px solid var(--hull-line)}}

/* ---------- hỏi đáp ---------- */
.faq{border-top:2px solid var(--hull);max-width:860px}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0;font:600 1.08rem/1.4 var(--head);color:var(--hull)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--river);border-bottom:2px solid var(--river);transform:rotate(45deg) translate(-3px,-3px);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(-135deg) translate(-3px,-3px)}
.faq details p{padding:0 0 22px;color:var(--muted);max-width:70ch}

/* ---------- liên hệ ---------- */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(32px,5vw,72px)}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
.contact h2{margin-bottom:16px}
.contact .lead{color:var(--muted);max-width:46ch;margin-bottom:28px}
.reach{display:grid;gap:12px;max-width:420px}
.reach .btn{justify-content:flex-start;padding:18px 20px}
.reach .btn span{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.reach .btn small{font:500 .82rem var(--body)}
.btn-zalo{background:#0068ff;color:#fff}
.btn-zalo:hover{background:#0053cc;transform:translateY(-1px)}
.legal{background:var(--paper);border-radius:var(--r);box-shadow:inset 0 0 0 1px var(--rule);padding:clamp(20px,3vw,32px)}
.legal h3{font-size:1.1rem;font-weight:600;color:var(--hull);margin-bottom:14px}
.legal dl{display:grid;grid-template-columns:max-content 1fr;gap:12px 24px;margin:0}
.legal dt{color:var(--muted);font-size:.92rem}
.legal dd{margin:0;font-weight:600;overflow-wrap:anywhere}
@media (max-width:520px){.legal dl{grid-template-columns:1fr;gap:2px}.legal dt{margin-top:12px}}

/* ---------- chân trang ---------- */
.foot{background:var(--hull-deep);color:var(--on-hull-muted);padding:40px 0 32px;font-size:.9rem}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 40px}
.foot b{color:#fff;font-family:var(--head);font-weight:600;letter-spacing:.01em}
.foot a{color:var(--on-hull)}

/* ---------- thanh gọi trên điện thoại ---------- */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;display:none;grid-template-columns:1fr 1fr;gap:8px;padding:8px 10px calc(8px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--rule);box-shadow:0 -10px 24px -14px rgba(0,34,58,.35)}
.dock a{display:flex;align-items:center;justify-content:center;gap:8px;height:50px;border-radius:var(--r);font:600 1rem var(--head);text-decoration:none;color:#fff}
.dock svg{width:20px;height:20px}
.dock .d-call{background:var(--buoy-act)}
.dock .d-zalo{background:#0068ff}
@media (max-width:760px){.dock{display:grid}body{padding-bottom:76px}}

/* ---------- trang dịch vụ (đọc) ---------- */
.crumb{font-size:.9rem;color:var(--on-hull-muted);margin-bottom:18px}
.crumb a{color:var(--on-hull)}
.page-hero{background:var(--hull);color:var(--on-hull);padding:clamp(48px,7vw,88px) 0 clamp(40px,6vw,64px)}
.page-hero h1{font-weight:600;font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.1;letter-spacing:-.015em;color:#fff;max-width:20ch}
.page-hero .lead{margin-top:18px;max-width:62ch;font-size:1.1rem}
.page-hero .acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.page-hero .btn-line{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6)}
.page-hero .btn-line:hover{background:#fff;color:var(--hull)}
.article{display:grid;grid-template-columns:240px minmax(0,1fr);gap:clamp(24px,5vw,72px);padding:clamp(48px,7vw,88px) var(--gut)}
.toc{position:sticky;top:100px;align-self:start;font-size:.92rem}
.toc b{display:block;font:600 .9rem var(--head);color:var(--hull);margin-bottom:10px}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--rule)}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--hull);border-left-color:var(--river)}
@media (max-width:900px){.article{grid-template-columns:minmax(0,1fr)}.toc{display:none}}
.prose{max-width:720px}
.prose h2{font-size:clamp(1.5rem,3vw,2rem);margin:64px 0 16px;color:var(--hull)}
.prose h2:first-child{margin-top:0}
.prose h3{margin:32px 0 10px;color:var(--hull)}
.prose p{margin:0 0 16px}
.prose ul{padding-left:0;list-style:none;margin:0 0 16px;border-top:1px solid var(--rule)}
.prose ul li{padding:12px 0 12px 26px;border-bottom:1px solid var(--rule);position:relative}
.prose ul li::before{content:"";position:absolute;left:4px;top:21px;width:9px;height:9px;border-radius:50%;background:var(--river)}
.tbl{overflow-x:auto;margin:0 0 16px;border-radius:var(--r);box-shadow:inset 0 0 0 1px var(--rule)}
.tbl table{border-collapse:collapse;width:100%;font-size:.95rem;background:#fff}
.tbl th,.tbl td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--chart-2);vertical-align:top}
.tbl th{background:var(--hull);color:#fff;font:600 .9rem var(--head)}
.tbl tr:last-child td{border-bottom:0}
.facts{display:grid;grid-template-columns:repeat(3,1fr);background:var(--hull);color:#fff;border-radius:var(--r);margin:8px 0 20px}
.facts div{padding:20px 22px;border-right:1px solid var(--hull-line)}
.facts div:last-child{border-right:0}
.facts b{display:block;font:600 1.7rem/1.1 var(--head);font-variant-numeric:tabular-nums}
.facts span{color:var(--on-hull-muted);font-size:.9rem}
@media (max-width:560px){.facts{grid-template-columns:1fr}.facts div{border-right:0;border-bottom:1px solid var(--hull-line)}}
.prose ol.flow{list-style:none;padding:0;margin:0 0 16px;counter-reset:f;border-left:2px dashed var(--river-soft);margin-left:18px}
.prose ol.flow li{counter-increment:f;position:relative;padding:0 0 22px 34px}
.prose ol.flow li::before{content:counter(f);position:absolute;left:-19px;top:-2px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--hull);color:#fff;font:600 .95rem var(--head);box-shadow:0 0 0 5px var(--chart)}
.prose ol.flow h3{margin:4px 0 4px}

/* ---------- chuyển động ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}
fieldset.cell{border:0;margin:0;min-inline-size:0}
fieldset.cell legend{padding:0;float:left;width:100%}
.board-wrap{padding:0}
@media (max-width:760px){.board-wrap{padding:0}}

.lang{display:inline-flex;align-items:center;gap:2px;font:600 .86rem var(--head);flex:none}
.lang a{padding:7px 8px;border-radius:4px;color:var(--muted);text-decoration:none}
.lang a[aria-current=true]{color:var(--hull);background:var(--chart)}
.lang a:hover{color:var(--hull)}
@media (max-width:1060px){.lang{margin-left:auto}.menu-btn{margin-left:4px}}
.nav{order:2}.lang{order:3}.call{order:4}.menu-btn{order:5}
p,li,dd,figcaption,summary,td{text-wrap:pretty}
@media (max-width:760px){.board dd small{display:block;margin:2px 0 0}}
@media (max-width:380px){.brand small{display:none}.lang a{padding:7px 6px}}
html,body{overflow-x:clip}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status.ok{color:#17663a}

/* ---------- phân vai chữ: học TTK: Source Serif 4 cho tiêu đề/số/thương hiệu, Be Vietnam Pro cho chữ đọc/nút; không chữ nghiêng ---------- */
h2 em{font-style:normal}
.hero h1 em,.page-hero h1 em{font-style:normal}
h2 em{color:var(--river)}
.on-hull h2 em{color:var(--river-soft)}
.hero h1 em{color:#fff}
.page-hero h1 em{color:#fff}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0 0 14px;font:600 .78rem/1.2 var(--body);text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
.eyebrow span{color:var(--buoy-act);font-family:var(--head);font-weight:700;letter-spacing:.04em}
.eyebrow::after{content:"";width:40px;height:1px;background:currentColor;opacity:.4}
.on-hull .eyebrow{color:var(--on-hull-muted)}
.on-hull .eyebrow span{color:var(--buoy)}
.board dt{font-weight:600;text-transform:uppercase;letter-spacing:.07em;font-size:.76rem}
.cell label,.cell .lbl{font-weight:600;font-size:.86rem;color:var(--ink)}
@media (min-width:1061px){.slip-grid{grid-template-columns:1.3fr 1fr 1fr 1fr 1fr auto}.cell .chips{gap:5px}.cell .chips label{font-size:.86rem}.cell .chips span{padding:6px 10px}}
.board dd{font-weight:700;font-size:clamp(1.7rem,3vw,2.4rem);letter-spacing:-.015em}
.trucks p strong{font-weight:700;letter-spacing:-.015em}
.chart .note-hand{font:600 13px var(--body);fill:var(--buoy-act)}
.cell .chips label{font:600 .9rem var(--body);letter-spacing:0;text-transform:none}
@media (min-width:1061px){.cell{padding-left:16px;padding-right:16px}}
@media (min-width:1061px) and (max-width:1240px){.cell input{font-size:.95rem}.cell label,.cell .lbl{font-size:.8rem}.cell-act .btn{padding-left:14px;padding-right:14px}}

/* nút, menu, nhãn bản đồ: chữ đọc như TTK */
.btn,.call,.dock a,.lang,.faq summary,.tbl th,.toc b,.chart .node text,.steps li::before,.prose ol.flow li::before,.eyebrow span{font-family:var(--body)}
.brand span{font-weight:600;letter-spacing:.01em}
h1,h2,h3,.board dd,.trucks p strong,.facts b{font-weight:600}
.hero h1,.page-hero h1{letter-spacing:-.02em}