/* ====== Đức Thắng — Global Stylesheet ====== */
:root{
  /* THEME THƯƠNG MẠI: xanh dương + cam */
  --navy:#0b57b3; --navy-2:#1a6fd6; --navy-3:#083e86;   /* xanh dương */
  --gold:#f2711c; --gold-2:#ff8c3b; --gold-soft:rgba(242,113,28,.12); /* cam */
  --ink:#1a2436; --muted:#5b6b82; --paper:#f4f7fb; --white:#fff;
  --line:rgba(11,63,140,.12); --shadow:0 18px 45px -20px rgba(11,63,140,.30);
  --radius:14px; --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Playfair Display',serif;line-height:1.15;color:var(--navy)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:14px;font-family:'Be Vietnam Pro',sans-serif}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:50px;font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:.25s;font-family:inherit}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px -8px rgba(201,162,63,.6)}
.btn-ghost{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-outline{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.text-center{text-align:center}

/* HEADER */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{display:flex;align-items:center;gap:12px;font-family:'Playfair Display',serif;font-weight:800;font-size:1.4rem;color:var(--navy)}
.logo .mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(135deg,var(--navy),var(--navy-2));display:grid;place-items:center;color:var(--gold);font-size:1.2rem;box-shadow:var(--shadow)}
.logo small{display:block;font-family:'Be Vietnam Pro';font-size:.62rem;letter-spacing:.22em;color:var(--gold);font-weight:600;text-transform:uppercase}
nav.main ul{display:flex;gap:28px;list-style:none;align-items:center}
nav.main ul a{font-size:.93rem;font-weight:500;color:var(--ink);transition:.2s}
nav.main ul a:hover,nav.main ul a.active{color:var(--gold)}
.nav-cta{display:flex;align-items:center;gap:16px}
.phone{font-weight:700;color:var(--navy);font-size:.95rem}
.phone small{display:block;font-weight:400;font-size:.7rem;color:var(--muted)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none}
.burger span{width:24px;height:2px;background:var(--navy);border-radius:2px}
.mobile-menu{display:none;flex-direction:column;padding:10px 24px 20px;border-bottom:1px solid var(--line);background:#fff}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px 0;font-weight:500;border-bottom:1px solid var(--line)}

/* HERO (home) */
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,var(--navy-2),var(--navy) 55%,var(--navy-3));color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 15% 90%,rgba(201,162,63,.14),transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:88px 0 96px}
.hero h1{color:#fff;font-size:3.3rem;font-weight:800;letter-spacing:-.5px}
.hero h1 .accent{background:linear-gradient(135deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:rgba(255,255,255,.82);font-size:1.12rem;margin:22px 0 34px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:48px;flex-wrap:wrap}
.hero-stats .num{font-family:'Playfair Display';font-size:2rem;font-weight:800;color:var(--gold-2)}
.hero-stats .lbl{font-size:.82rem;color:rgba(255,255,255,.7)}
.hero-visual{position:relative}
.hero-card{background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.15);border-radius:22px;padding:30px;backdrop-filter:blur(8px);box-shadow:0 30px 70px -30px rgba(0,0,0,.6)}
.machine{aspect-ratio:4/3;border-radius:14px;background:linear-gradient(160deg,#dfe4ec,#aab4c6);position:relative;box-shadow:inset 0 2px 8px rgba(255,255,255,.6),0 10px 30px rgba(0,0,0,.25);overflow:hidden}
.machine::before{content:"";position:absolute;top:14%;left:10%;right:10%;height:26%;background:linear-gradient(180deg,#0b1f3a,#1a3a63);border-radius:8px;box-shadow:inset 0 0 0 2px rgba(201,162,63,.4)}
.machine::after{content:"COPY";position:absolute;top:19%;left:0;right:0;text-align:center;color:var(--gold-2);font-weight:700;letter-spacing:.3em;font-size:.9rem}
.machine .tray{position:absolute;bottom:16%;left:14%;right:14%;height:14%;background:#8590a4;border-radius:6px;box-shadow:inset 0 3px 6px rgba(0,0,0,.3)}
.machine .panel{position:absolute;top:16%;right:12%;width:16%;height:24%;background:#0b1f3a;border-radius:5px;border:2px solid var(--gold)}
.float-badge{position:absolute;background:#fff;color:var(--navy);border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);font-size:.82rem;font-weight:600;display:flex;align-items:center;gap:8px}
.float-badge .dot{width:9px;height:9px;border-radius:50%;background:#2ecc71;box-shadow:0 0 0 4px rgba(46,204,113,.2)}
.fb-1{top:-16px;left:-16px}
.fb-2{bottom:-16px;right:-14px}
.brands{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px}
.brands .wrap{display:flex;align-items:center;gap:40px;flex-wrap:wrap;justify-content:center;opacity:.85}
.brands span{font-family:'Playfair Display';font-weight:700;font-size:1.15rem;color:rgba(255,255,255,.75);letter-spacing:.03em}

/* PAGE HERO (sub pages) */
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,63,.18),transparent 70%)}
.page-hero h1{color:#fff;font-size:2.6rem;position:relative}
.page-hero p{color:rgba(255,255,255,.8);margin-top:14px;max-width:640px;position:relative}
.breadcrumb{display:flex;gap:8px;font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:16px;position:relative}
.breadcrumb a:hover{color:var(--gold)}

/* SECTIONS */
section.block{padding:88px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:2.4rem;font-weight:800}
.section-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}
.bg-paper{background:var(--paper)}

/* SERVICE CARDS */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:.3s;position:relative;overflow:hidden}
.svc::after{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--gold),var(--gold-2));transform:scaleX(0);transform-origin:left;transition:.3s}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.svc:hover::after{transform:scaleX(1)}
.svc .ic{width:58px;height:58px;border-radius:14px;background:var(--gold-soft);display:grid;place-items:center;margin-bottom:20px;font-size:1.6rem}
.svc h3{font-size:1.35rem;margin-bottom:10px}
.svc p{color:var(--muted);font-size:.95rem;margin-bottom:16px}
.svc ul{list-style:none;margin-top:6px}
.svc ul li{font-size:.9rem;color:var(--ink);padding:4px 0 4px 22px;position:relative}
.svc ul li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}

/* PRODUCTS */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.prod:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod .img{aspect-ratio:1/1;background:linear-gradient(160deg,#eef1f6,#d7dde8);display:grid;place-items:center;position:relative}
.prod .img .body{width:60%;height:66%;background:linear-gradient(160deg,#c3cbd9,#9aa6ba);border-radius:10px;position:relative;box-shadow:0 8px 20px rgba(0,0,0,.18)}
.prod .img .body::before{content:"";position:absolute;top:12%;left:14%;right:14%;height:26%;background:var(--navy);border-radius:5px;border:1.5px solid rgba(201,162,63,.5)}
.prod .tag{position:absolute;top:12px;left:12px;background:var(--navy);color:var(--gold-2);font-size:.68rem;font-weight:600;padding:5px 11px;border-radius:30px;letter-spacing:.05em}
.prod .tag.rent{background:var(--gold);color:var(--navy)}
.prod .info{padding:20px}
.prod .brand{font-size:.72rem;color:var(--gold);font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.prod h3{font-size:1.05rem;font-family:'Be Vietnam Pro';font-weight:600;margin:6px 0 10px;color:var(--ink)}
.prod .specs{font-size:.82rem;color:var(--muted);margin-bottom:14px}
.prod .price{font-weight:700;color:var(--navy);font-size:1.05rem}
.prod .price small{color:var(--muted);font-weight:400;font-size:.78rem}
.prod .info .btn{margin-top:14px;width:100%;justify-content:center;padding:10px}

/* WHY */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:10px}
.why{text-align:center;padding:20px}
.why .ic{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-2));display:grid;place-items:center;color:var(--gold-2);font-size:1.5rem;box-shadow:var(--shadow)}
.why h3{font-size:1.1rem;font-family:'Be Vietnam Pro';font-weight:600;margin-bottom:8px;color:var(--ink)}
.why p{font-size:.9rem;color:var(--muted)}

/* PROCESS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{position:relative;padding:30px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step .n{font-family:'Playfair Display';font-size:2.4rem;font-weight:800;color:var(--gold);opacity:.35;line-height:1}
.step h3{font-size:1.1rem;font-family:'Be Vietnam Pro';font-weight:600;margin:8px 0}
.step p{font-size:.9rem;color:var(--muted)}

/* PRICING TABLE */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px 30px;display:flex;flex-direction:column;transition:.3s;position:relative}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.plan.featured{border-color:var(--gold);box-shadow:0 24px 60px -24px rgba(201,162,63,.5)}
.plan.featured::before{content:"Phổ biến nhất";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy);font-size:.72rem;font-weight:700;padding:5px 16px;border-radius:30px}
.plan h3{font-size:1.3rem;margin-bottom:8px}
.plan .p-desc{color:var(--muted);font-size:.9rem;min-height:42px}
.plan .p-price{font-family:'Playfair Display';font-size:2.2rem;font-weight:800;color:var(--navy);margin:12px 0}
.plan .p-price small{font-size:.85rem;color:var(--muted);font-weight:400;font-family:'Be Vietnam Pro'}
.plan ul{list-style:none;margin:16px 0 24px;flex:1}
.plan ul li{padding:8px 0 8px 26px;position:relative;font-size:.92rem;border-bottom:1px dashed var(--line)}
.plan ul li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}
.plan .btn{justify-content:center}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-q{padding:20px 24px;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--gold);transition:.2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--muted);font-size:.95rem}
.faq-a p{padding:0 24px 20px}
.faq-item.open .faq-a{max-height:300px}

/* AI BANNER */
.ai{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;border-radius:26px;padding:56px;position:relative;overflow:hidden}
.ai::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,63,.22),transparent 70%)}
.ai-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;position:relative}
.ai h2{color:#fff;font-size:2.1rem}
.ai p{color:rgba(255,255,255,.82);margin:16px 0 26px}
.ai-list{display:grid;gap:14px}
.ai-list .item{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px 18px}
.ai-list .item .ic{font-size:1.3rem;color:var(--gold-2)}
.ai-list .item b{display:block;margin-bottom:2px}
.ai-list .item span{font-size:.86rem;color:rgba(255,255,255,.72)}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.contact-info .row{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.contact-info .ic{width:48px;height:48px;border-radius:12px;background:var(--gold-soft);display:grid;place-items:center;color:var(--gold);font-size:1.2rem;flex:none}
.contact-info b{color:var(--navy);display:block}
.contact-info span{color:var(--muted);font-size:.92rem}
form.lead-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
form.lead-form label{font-size:.85rem;font-weight:600;color:var(--navy);display:block;margin:0 0 6px}
form.lead-form input,form.lead-form select,form.lead-form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:.92rem;margin-bottom:16px;background:var(--paper);transition:.2s}
form.lead-form input:focus,form.lead-form select:focus,form.lead-form textarea:focus{outline:none;border-color:var(--gold);background:#fff}
form.lead-form .btn-gold{width:100%;justify-content:center}

/* BLOG */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy-2),var(--navy));display:grid;place-items:center;color:var(--gold-2);font-size:2rem}
.post .p-body{padding:22px}
.post .cat{font-size:.72rem;color:var(--gold);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.post h3{font-size:1.15rem;font-family:'Be Vietnam Pro';font-weight:600;margin:8px 0;color:var(--ink);line-height:1.4}
.post p{color:var(--muted);font-size:.9rem;margin-bottom:12px}
.post .meta{font-size:.8rem;color:var(--muted);display:flex;gap:12px}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-visual{background:linear-gradient(160deg,var(--navy-2),var(--navy-3));border-radius:22px;padding:44px;color:#fff}
.about-visual .big{font-family:'Playfair Display';font-size:3.4rem;font-weight:800;color:var(--gold-2)}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value{padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.value .ic{font-size:1.8rem;margin-bottom:12px}
.value h3{font-size:1.1rem;font-family:'Be Vietnam Pro';font-weight:600;margin-bottom:8px}
.value p{font-size:.9rem;color:var(--muted)}

/* CTA STRIP */
.cta-strip{background:linear-gradient(135deg,var(--gold),var(--gold-2));border-radius:24px;padding:48px;text-align:center}
.cta-strip h2{color:var(--navy);font-size:2rem}
.cta-strip p{color:rgba(11,31,58,.75);margin:12px 0 24px;font-weight:500}
.cta-strip .btn{background:var(--navy);color:#fff}
.cta-strip .btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px -8px rgba(11,31,58,.5)}

/* FOOTER */
footer{background:var(--navy-3);color:rgba(255,255,255,.72);padding:64px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
footer h4{color:#fff;font-family:'Be Vietnam Pro';font-size:1rem;margin-bottom:16px}
footer ul{list-style:none}
footer ul li{margin-bottom:10px;font-size:.9rem}
footer ul a:hover{color:var(--gold)}
footer .logo{color:#fff;margin-bottom:14px}
.foot-bot{display:flex;justify-content:space-between;padding-top:22px;font-size:.82rem;flex-wrap:wrap;gap:10px}

/* AI CHAT WIDGET */
.chat-fab{position:fixed;bottom:26px;right:26px;z-index:200;width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--navy);display:grid;place-items:center;font-size:1.7rem;box-shadow:0 16px 36px -8px rgba(201,162,63,.6);cursor:pointer;border:none;animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,162,63,.5)}70%{box-shadow:0 0 0 18px rgba(201,162,63,0)}100%{box-shadow:0 0 0 0 rgba(201,162,63,0)}}
.chat-box{position:fixed;bottom:104px;right:26px;z-index:200;width:390px;max-width:calc(100vw - 40px);background:#fff;border-radius:20px;box-shadow:0 30px 70px -20px rgba(11,31,58,.5);overflow:hidden;transform:translateY(20px) scale(.96);opacity:0;pointer-events:none;transition:.28s}
.chat-box.open{transform:none;opacity:1;pointer-events:auto}
.chat-head{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;padding:18px 20px;display:flex;align-items:center;gap:12px}
.chat-head .av{width:40px;height:40px;border-radius:50%;background:var(--gold);display:grid;place-items:center;color:var(--navy);font-weight:700}
.chat-head b{display:block;font-size:.98rem}
.chat-head small{color:rgba(255,255,255,.7);font-size:.75rem;display:flex;align-items:center;gap:6px}
.chat-head small::before{content:"";width:7px;height:7px;border-radius:50%;background:#2ecc71}
.chat-body{padding:20px;background:var(--paper);height:360px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}
.msg{max-width:80%;padding:11px 14px;border-radius:14px;font-size:.88rem;line-height:1.5}
.msg.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.user{background:var(--navy);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.chat-quick{display:flex;gap:8px;flex-wrap:wrap;padding:0 20px 14px;background:var(--paper)}
.chat-quick button{font-size:.78rem;padding:7px 12px;border-radius:30px;border:1px solid var(--gold);color:var(--navy);background:#fff;cursor:pointer;transition:.2s}
.chat-quick button:hover{background:var(--gold);color:var(--navy)}
.chat-input{display:flex;gap:8px;padding:14px;border-top:1px solid var(--line);background:#fff}
.chat-input input{flex:1;border:1px solid var(--line);border-radius:30px;padding:10px 16px;font-family:inherit;font-size:.88rem}
.chat-input input:focus{outline:none;border-color:var(--gold)}
.chat-input button{width:40px;height:40px;border-radius:50%;border:none;background:var(--gold);color:var(--navy);cursor:pointer;font-size:1.1rem}

/* UTIL */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.mt-40{margin-top:40px}
.lead-list{list-style:none}
.lead-list li{padding:10px 0 10px 30px;position:relative;color:var(--ink)}
.lead-list li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700;font-size:1.1rem}

/* RESPONSIVE */
@media(max-width:960px){
  .hero-grid,.ai-grid,.contact-grid,.about-grid,.grid-2{grid-template-columns:1fr}
  .cards-3,.cards-4,.why-grid,.steps,.foot-grid,.pricing,.blog-grid,.values{grid-template-columns:1fr 1fr}
  .hero h1{font-size:2.5rem}
  nav.main ul,.phone small{display:none}
  .burger{display:flex}
  .ai{padding:36px}
  .page-hero h1{font-size:2rem}
}
@media(max-width:560px){
  .cards-3,.cards-4,.why-grid,.steps,.foot-grid,.pricing,.blog-grid,.values{grid-template-columns:1fr}
  .hero h1{font-size:2.1rem}
  section.block{padding:60px 0}
}

/* ====== ARTICLE (bài viết blog) ====== */
.article-wrap{max-width:780px;margin:0 auto}
.article-body{font-size:1.06rem;color:var(--ink)}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:1.7rem;margin:38px 0 16px}
.article-body h3{font-size:1.28rem;font-family:'Be Vietnam Pro';font-weight:700;color:var(--navy);margin:28px 0 12px}
.article-body ul,.article-body ol{margin:0 0 20px 4px;padding-left:22px}
.article-body li{margin:8px 0}
.article-body strong{color:var(--navy)}
.article-body a{color:var(--gold);font-weight:600;text-decoration:underline}
.article-body blockquote{border-left:4px solid var(--gold);background:var(--gold-soft);padding:16px 20px;border-radius:0 10px 10px 0;margin:0 0 22px;color:var(--ink);font-style:italic}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:.96rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--navy);color:#fff;font-weight:600}
.article-body tr:nth-child(even) td{background:var(--paper)}
.article-meta{color:var(--muted);font-size:.9rem;margin-bottom:8px;display:flex;gap:14px;flex-wrap:wrap}
.article-cta{background:linear-gradient(135deg,var(--navy),var(--navy-3));color:#fff;border-radius:18px;padding:30px;margin:34px 0;text-align:center}
.article-cta h3{color:#fff;font-family:'Playfair Display';font-size:1.4rem;margin-bottom:8px}
.article-cta p{color:rgba(255,255,255,.82);margin-bottom:18px}
.article-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.article-tags span{background:var(--paper);border:1px solid var(--line);color:var(--muted);font-size:.82rem;padding:6px 14px;border-radius:30px}
.related{margin-top:10px}

/* ====== PRICE TABLE (bảng giá bán) ====== */
.price-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.price-table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:640px}
table.price-table th,table.price-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.price-table thead th{background:var(--navy);color:#fff;font-weight:600;font-size:.86rem;position:sticky;top:0}
table.price-table tbody tr:nth-child(even){background:var(--paper)}
table.price-table tbody tr:hover{background:var(--gold-soft)}
table.price-table .model{font-weight:600;color:var(--navy)}
table.price-table .price{font-weight:700;color:var(--gold);white-space:nowrap}
.brand-head{display:flex;align-items:center;gap:12px;margin:36px 0 16px}
.brand-head .badge{font-family:'Playfair Display';font-weight:800;color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy-2));padding:6px 16px;border-radius:30px;font-size:1rem}
.brand-head span{color:var(--muted);font-size:.9rem}
.price-note{font-size:.86rem;color:var(--muted);margin-top:14px;line-height:1.7}

/* ====== ERROR CODE LOOKUP (tra cứu mã lỗi) ====== */
.ec-tools{position:sticky;top:74px;z-index:20;background:var(--paper);padding:18px 0;border-bottom:1px solid var(--line);margin-bottom:8px}
.ec-search{width:100%;padding:15px 18px;border:2px solid var(--line);border-radius:50px;font-family:inherit;font-size:1rem;background:#fff;transition:.2s}
.ec-search:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-soft)}
.ec-filters{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.ec-filters button{padding:8px 18px;border-radius:30px;border:1.5px solid var(--line);background:#fff;color:var(--ink);font-family:inherit;font-size:.9rem;cursor:pointer;transition:.2s}
.ec-filters button.active,.ec-filters button:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.ec-count{color:var(--muted);font-size:.9rem;margin:6px 0 20px}
.ec-group{margin-bottom:30px}
.ec-group h3{font-family:'Be Vietnam Pro';font-weight:700;color:var(--navy);font-size:1.15rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.ec-group h3 .g-brand{font-size:.7rem;font-weight:700;letter-spacing:.05em;color:#fff;background:linear-gradient(135deg,var(--navy),var(--navy-2));padding:4px 12px;border-radius:30px}
.ec-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:10px;display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start}
.ec-item .code{font-family:'Playfair Display';font-weight:800;color:var(--gold);font-size:1.15rem}
.ec-item .code .mau{display:inline-block;font-family:'Be Vietnam Pro';font-size:.62rem;font-weight:600;color:#fff;background:#c0392b;padding:2px 8px;border-radius:20px;margin-top:6px}
.ec-item .m{font-weight:600;color:var(--navy);margin-bottom:6px}
.ec-item .f{color:var(--muted);font-size:.93rem}
.ec-empty{text-align:center;padding:40px;color:var(--muted)}
@media(max-width:560px){.ec-item{grid-template-columns:1fr}.ec-tools{top:64px}}

/* ảnh minh hoạ trong thẻ sản phẩm */
.prod .img img.pimg{width:82%;height:82%;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(11,31,58,.18))}

/* ====== GIAO DIỆN THƯƠNG MẠI (xanh dương + cam) ====== */
/* Thanh tiện ích trên cùng */
.topbar{background:linear-gradient(90deg,var(--navy-3),var(--navy));color:#fff;font-size:.83rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;flex-wrap:wrap;gap:6px}
.topbar a{color:#fff}
.topbar .tb-left{opacity:.92}
.topbar .tb-right{display:flex;gap:20px;align-items:center}
.topbar .tb-right b{color:#ffd8b8}
@media(max-width:760px){.topbar .tb-left{display:none}.topbar .wrap{justify-content:center}}
/* Nút kiểu shop: bớt bo tròn, đậm hơn */
.btn{border-radius:8px;font-weight:700}
.chat-fab,.chat-input button,.chat-quick button{border-radius:50px}
/* Menu chính: gạch chân cam khi chọn/di chuột */
nav.main ul a{padding:6px 2px;border-bottom:2px solid transparent}
nav.main ul a:hover,nav.main ul a.active{border-bottom-color:var(--gold)}
/* Thẻ sản phẩm: viền nhấn cam khi hover, giá nổi bật */
.prod{border-radius:10px}
.prod:hover{border-color:var(--gold)}
.prod .price{font-size:1.15rem}
.prod .info .btn,.prod .info a.btn{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#fff;border:none}
.prod .info .btn:hover{filter:brightness(1.05)}
.prod .tag{background:var(--navy)}
.prod .tag.rent{background:var(--gold);color:#fff}
/* Nhãn eyebrow & tiêu đề: xanh/cam thương mại */
.eyebrow{color:var(--gold)}
/* Hero: nền xanh dương tươi */
.hero{background:radial-gradient(1200px 600px at 80% -10%,#4f97ea,#2c7ce0 52%,#1f6fd0)}
.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy-3))}
/* Header viền xanh nhẹ */
header{border-bottom:2px solid var(--navy)}
/* Nút chính (cam) chữ trắng cho nổi */
.btn-gold{color:#fff !important}
.btn-gold:hover{box-shadow:0 12px 26px -8px rgba(242,113,28,.55)}
.cta-strip .btn{background:var(--navy);color:#fff}

/* ====== KHỐI BÁN HÀNG KIỂU DANH MỤC (thiết kế gốc Đức Thắng) ====== */
/* Nút liên hệ nổi bên trái */
.side-contact{position:fixed;left:14px;bottom:20px;z-index:190;display:flex;flex-direction:column;gap:12px}
.side-contact a{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px -6px rgba(0,0,0,.35);transition:.2s;position:relative}
.side-contact a svg{width:26px;height:26px;display:block;fill:#fff}
.side-contact a:hover{transform:scale(1.08)}
.side-contact .c-mail{background:#f2711c}
.side-contact .c-zalo{background:#0068ff}
.side-contact .c-phone{background:#16b34a;animation:ring 1.8s infinite}
.side-contact .c-messenger{background:radial-gradient(circle at 30% 25%,#00c6ff,#0084ff 45%,#a033ff 100%)}
@keyframes ring{0%,100%{box-shadow:0 0 0 0 rgba(22,179,74,.5)}70%{box-shadow:0 0 0 12px rgba(22,179,74,0)}}
@media(max-width:560px){.side-contact a{width:44px;height:44px}.side-contact a svg{width:22px;height:22px}}

/* Mega-menu "Danh mục sản phẩm" */
.catmenu{position:relative}
.catmenu>a{display:inline-flex;align-items:center;gap:8px;background:var(--gold);color:#fff !important;padding:9px 16px !important;border-radius:8px;font-weight:700;border-bottom:none !important}
.catmenu:hover .catdrop{opacity:1;visibility:visible;transform:translateY(0)}
.catdrop{position:absolute;top:calc(100% + 10px);left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;z-index:120}
.catdrop a{display:block;padding:10px 14px;border-radius:8px;font-size:.92rem;color:var(--ink);border-bottom:none !important}
.catdrop a:hover{background:var(--gold-soft);color:var(--navy)}
.catdrop .cat-h{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:8px 14px 4px;font-weight:700}

/* Thẻ sản phẩm kiểu shop: badge, overlay hotline, dòng bảo hành, nút giỏ */
.prod{position:relative}
.prod .ribbon{position:absolute;top:10px;right:10px;z-index:3;background:var(--gold);color:#fff;font-size:.68rem;font-weight:700;padding:5px 10px;border-radius:20px;box-shadow:0 4px 10px -3px rgba(242,113,28,.6)}
.prod .img{position:relative}
.prod .hot-badge{position:absolute;left:10px;bottom:10px;right:10px;display:flex;justify-content:center;gap:6px;background:rgba(11,63,140,.92);color:#fff;font-size:.72rem;font-weight:600;padding:6px 8px;border-radius:8px}
.prod .warranty{font-size:.8rem;color:#1a8a4a;font-weight:600;margin:4px 0 10px;display:flex;align-items:center;gap:5px}
.prod .info .btn-cart{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#fff;border:none;width:100%;justify-content:center;gap:8px;font-weight:700}
.prod .info .btn-cart:hover{filter:brightness(1.05);transform:translateY(-1px)}

/* Dải ưu đãi / máy nổi bật */
.deal-strip{background:linear-gradient(135deg,var(--navy),var(--navy-2));border-radius:16px;padding:26px 30px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.deal-strip .d-left h3{color:#fff;font-family:'Playfair Display';font-size:1.5rem}
.deal-strip .d-left p{color:rgba(255,255,255,.85);margin-top:6px}
.deal-strip .d-tags{display:flex;gap:10px;flex-wrap:wrap}
.deal-strip .d-tags span{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:8px 14px;border-radius:30px;font-size:.85rem;font-weight:600}

/* ===== Header gọn: ẩn hotline + nút "Tư vấn ngay", menu 1 hàng ===== */
.nav-cta .phone{display:none}
.nav-cta a.btn,.nav-cta .btn-gold,.nav-cta .btn-navy{display:none}
.nav-cta{gap:0}
nav.main{flex:1;min-width:0}
nav.main ul{flex-wrap:nowrap;white-space:nowrap;gap:20px;justify-content:flex-end}
nav.main ul a{font-size:.9rem}
.catmenu>a{white-space:nowrap}
@media(max-width:1100px){nav.main ul{gap:14px}nav.main ul a{font-size:.85rem}}

/* ===== Ảnh máy thật (đã chèn thương hiệu) hiển thị full khung, nền trắng ===== */
.prod .img{background:#fff}
.prod .img img.pimg{width:100%;height:100%;object-fit:cover;filter:none}
.prod .hot-badge{display:none}
.prod .img::before{content:"";position:absolute;z-index:2;left:0;top:0;width:42%;height:18%;background:#fff;pointer-events:none}
.prod .img::after{content:"";position:absolute;z-index:3;right:10px;bottom:9%;width:35%;height:22%;background:#fff url('branding/duc-thang-logo.png') center/contain no-repeat;border-radius:6px;box-shadow:0 2px 8px rgba(11,31,58,.12);pointer-events:none}
.prod .tag{z-index:4}
.prod .ribbon{z-index:5}
.product-clickable{cursor:pointer}
.product-detail-link{color:inherit;text-decoration:none}
.product-detail-link:hover{color:var(--gold)}
.product-spec-link{display:inline-flex;margin-top:8px;color:var(--navy);font-size:.82rem;font-weight:700;text-decoration:underline;text-underline-offset:3px}
.product-spec-link:hover{color:var(--gold)}
.product-detail-grid{display:grid;grid-template-columns:minmax(280px,1fr) minmax(320px,1.2fr);gap:36px;align-items:start}
.product-detail-image{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;min-height:420px;display:grid;place-items:center}
.product-detail-image img{width:100%;height:100%;max-height:560px;object-fit:contain}
.spec-table{width:100%;border-collapse:collapse;margin:20px 0}
.spec-table th,.spec-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{width:36%;color:var(--muted)}
.manufacturer-note{padding:14px 16px;background:#eef5ff;border-left:4px solid var(--navy);border-radius:8px;font-size:.88rem}
@media(max-width:800px){.product-detail-grid{grid-template-columns:1fr}.product-detail-image{min-height:320px}}

/* ===== Ảnh máy thật trong khối hero (trang chủ & cho thuê) ===== */
.hero-card{padding:14px}
.hero-card .hero-machine{display:block;width:100%;height:auto;border-radius:12px;background:#fff;box-shadow:0 14px 34px -18px rgba(0,0,0,.5)}

/* ===== Đức Thắng corporate branding assets ===== */
.logo.logo-image{
  display:flex;
  align-items:center;
  flex:0 0 auto;
  width:220px;
  height:66px;
  overflow:hidden;
}
.logo.logo-image img{
  display:block;
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  background:#fff;
}
footer .logo.logo-image{
  width:230px;
  height:145px;
  margin-bottom:14px;
  border-radius:10px;
  background:#fff;
}
.hero-banner{
  width:100%;
  background:#031735;
  overflow:hidden;
  line-height:0;
}
.hero-banner-link{
  display:block;
  width:100%;
}
.hero-banner img{
  display:block;
  width:100%;
  height:auto;
  max-height:768px;
  object-fit:cover;
  object-position:center;
}
@media (max-width:1100px){
  .logo.logo-image{width:175px;height:60px}
}
@media (max-width:760px){
  .nav{height:68px}
  .logo.logo-image{width:138px;height:56px}
  .hero-banner img{min-height:250px;object-fit:cover;object-position:center}
  footer .logo.logo-image{width:190px;height:120px}
}