/* Layout: nền nâu chủ đạo theo bộ nhận diện landing GB 7M Ultra; tiêu đề nằm trên dải vàng có đuôi; bảng và form đặt trên thẻ màu kem. Một giao diện cố định cho cả hai chế độ sáng/tối. */
:root{
  color-scheme:dark;
  --brown-950:#24110A;
  --brown-900:#2E170B;
  --brown-800:#3E200E;
  --brown-700:#5B3519;
  --brown-500:#8C6238;
  --gold-1:#FFF3CF;
  --gold-2:#FFDB7E;
  --gold-3:#F2B23C;
  --gold-ink:#3A1D0B;
  --cream:#FFF9EC;
  --cream-2:#FBEBC6;
  --cream-line:#EED7A8;
  --on-brown:#F7E9D2;
  --on-brown-muted:#D5BE9C;
  --red:#D3161C;
  --red-2:#B10F14;
  --f-head:"Baloo 2","Be Vietnam Pro",system-ui,sans-serif;
  --f-cta:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --gold-grad:linear-gradient(100deg,var(--gold-1) 0%,var(--gold-2) 45%,var(--gold-3) 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{background:var(--brown-900);background-image:linear-gradient(90deg,var(--brown-950) 0%,var(--brown-800) 55%,var(--brown-500) 100%);background-attachment:fixed;color:var(--on-brown);font-family:var(--f-body);font-size:16px;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--gold-2);outline-offset:2px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding-inline:20px}
h1,h2,h3{font-family:var(--f-head);font-weight:800;line-height:1.1;margin:0;text-wrap:balance}
p{margin:0}
section{padding-block:64px}

/* Dải tiêu đề vàng có đuôi — chữ ký thị giác của mẫu */
.ribbon{position:relative;background:var(--gold-grad);color:var(--gold-ink);border-radius:22px;padding:20px 28px;text-align:center;margin:0 auto 40px;max-width:760px;box-shadow:0 10px 28px rgba(0,0,0,.25)}
.ribbon::after{content:"";position:absolute;left:64px;bottom:-16px;border:16px solid transparent;border-bottom:0;border-top-color:var(--gold-2)}
.ribbon h2{font-size:clamp(28px,4.4vw,42px)}
.ribbon p{font-size:clamp(16px,2.2vw,20px);font-weight:600;margin-top:4px;color:var(--brown-700)}

/* Nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 28px;border-radius:999px;font-family:var(--f-cta);font-weight:800;font-size:22px;letter-spacing:.3px;text-transform:uppercase;text-decoration:none;border:0;cursor:pointer;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold-grad);color:var(--gold-ink);box-shadow:0 8px 20px rgba(0,0,0,.3)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.btn-red:hover{background:var(--red-2)}
.btn-line{border:2px solid var(--gold-2);color:var(--gold-2);background:transparent}

/* Header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:rgba(36,17,10,.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,219,126,.18)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;background:#fff;border-radius:10px;padding:4px 10px}
.brand img{height:34px;width:auto}
.site-head nav{display:flex;gap:22px;font-weight:600;font-size:15px}
.site-head nav a{text-decoration:none;color:var(--on-brown-muted)}
.site-head nav a:hover{color:var(--gold-2)}
.head-cta{font-family:var(--f-cta);font-weight:800;font-size:20px;text-decoration:none;color:var(--gold-ink);background:var(--gold-grad);padding:6px 16px;border-radius:999px;white-space:nowrap}
@media (max-width:880px){.site-head nav{display:none}}

/* Hero */
.hero{padding-block:48px 56px;background:radial-gradient(70% 60% at 50% 0%,rgba(40,48,92,.75),transparent 70%)}
.hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-copy{display:grid;gap:18px;min-width:0}
.hero .kicker{font-size:clamp(18px,2.4vw,22px);color:var(--on-brown)}
.hero h1{font-size:clamp(52px,8vw,92px);background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;letter-spacing:-.5px;line-height:1}
.hero .slogan{font-family:var(--f-cta);font-size:22px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--gold-2)}
.badges{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid rgba(255,219,126,.25)}
.badges div{padding:12px 8px;text-align:center;font-size:13px;line-height:1.35;color:var(--on-brown-muted);border-left:1px solid rgba(255,219,126,.18)}
.badges div:first-child{border-left:0}
.badges b{display:block;color:var(--on-brown);font-size:15px}
.price-box{background:var(--gold-grad);color:var(--gold-ink);border-radius:20px;padding:16px 22px;display:grid;gap:2px;max-width:460px}
.price-box .row{display:flex;justify-content:space-between;font-weight:600;font-size:15px}
.price-box .amt{font-family:var(--f-head);font-size:clamp(46px,6vw,64px);line-height:1;color:var(--brown-800);font-variant-numeric:tabular-nums}
.price-box .ship{font-size:15px;color:var(--brown-700)}
.hero-media{min-width:0;position:relative}
.hero-media img{border-radius:24px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,.45)}
@media (max-width:880px){.hero .wrap{grid-template-columns:1fr}.hero-media{order:-1}.badges{grid-template-columns:1fr 1fr}.badges div:nth-child(3){border-left:0}}

/* 3 cam kết */
.promise3{background:var(--brown-950);border-block:1px solid rgba(255,219,126,.15);padding-block:28px}
.promise3 .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.promise3 div{display:grid;grid-template-columns:46px 1fr;gap:12px;align-items:center}
.promise3 .ic{width:46px;height:46px;border-radius:50%;background:var(--gold-grad);display:grid;place-items:center;color:var(--gold-ink);font-family:var(--f-head);font-weight:800;font-size:18px}
.promise3 b{display:block;font-size:17px;color:var(--gold-2)}
.promise3 span{font-size:14px;color:var(--on-brown-muted)}
@media (max-width:760px){.promise3 .wrap{grid-template-columns:1fr}}

/* Câu chuyện — thẻ kem */
.story-card{background:var(--cream);color:var(--gold-ink);border-radius:28px;padding:44px clamp(20px,4vw,48px);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.story-card h2{text-align:center;font-size:clamp(26px,4vw,40px);color:var(--brown-800)}
.story-card h2 small{display:block;font-family:var(--f-body);font-weight:500;font-size:.62em;color:var(--brown-700);margin-bottom:6px}
.story-imgs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0}
.story-imgs img{border-radius:18px;aspect-ratio:4/5;object-fit:cover;width:100%}
.story-text{display:grid;gap:14px;max-width:760px;margin:0 auto;font-size:17px;color:#4A2D18}
.story-text b{color:var(--brown-800)}
.story-cta{text-align:center;margin-top:28px}

/* Bảng thông số */
.table-card{background:var(--cream);color:var(--gold-ink);border-radius:24px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.3);max-width:860px;margin:0 auto}
.table-card h3{background:var(--gold-grad);text-align:center;padding:16px;font-size:24px;color:var(--brown-800)}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:16px}
.spec th,.spec td{padding:14px 20px;text-align:left;vertical-align:top}
.spec tr:nth-child(even){background:var(--cream-2)}
.spec th{width:34%;font-weight:600;color:var(--brown-700)}
.spec td{font-weight:600;color:var(--gold-ink);font-variant-numeric:tabular-nums}
.spec td small{display:block;font-weight:400;color:#6A4A2E;font-size:14px}
.table-note{padding:14px 20px;font-size:14px;color:#6A4A2E;border-top:1px solid var(--cream-line)}

/* Bảng gợi ý + công cụ tính */
.suggest{border:1px solid rgba(255,219,126,.35);border-radius:22px;overflow:hidden;max-width:960px;margin:0 auto}
.suggest table{color:var(--on-brown)}
.suggest th{background:rgba(255,219,126,.12);color:var(--gold-2);font-weight:700;padding:14px 16px;text-align:center;font-size:15px}
.suggest td{padding:16px;text-align:center;border-top:1px solid rgba(255,219,126,.2);vertical-align:middle}
.suggest td:first-child,.suggest td:nth-child(2){font-weight:700;font-size:17px;white-space:nowrap}
.suggest td:last-child{font-size:14px;color:var(--on-brown-muted);font-style:italic}
.tech-tip{max-width:960px;margin:18px auto 0;border:1px solid rgba(255,219,126,.3);border-radius:999px;padding:12px 22px;font-size:14px;color:var(--on-brown-muted);text-align:center}
.calc{max-width:960px;margin:28px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.calc-in,.calc-out{border-radius:22px;padding:24px}
.calc-in{background:rgba(0,0,0,.22);border:1px solid rgba(255,219,126,.2);display:grid;gap:12px;align-content:start}
.calc-in label{font-weight:700;color:var(--gold-2)}
.area-row{display:flex;align-items:center;gap:12px}
.area-row input{width:150px;min-height:56px;font:800 30px var(--f-head);padding:0 14px;border-radius:14px;border:1px solid rgba(255,219,126,.4);background:var(--brown-950);color:var(--on-brown);font-variant-numeric:tabular-nums}
.calc-in input[type=range]{width:100%;accent-color:var(--gold-3)}
.presets{display:flex;flex-wrap:wrap;gap:8px}
.presets button{font:600 14px var(--f-body);padding:8px 14px;border-radius:999px;border:1px solid rgba(255,219,126,.35);background:transparent;color:var(--on-brown);cursor:pointer}
.presets button:hover{background:rgba(255,219,126,.12)}
.calc-out{background:var(--cream);color:var(--gold-ink);display:grid;gap:10px;align-content:start}
.calc-out .big{font-family:var(--f-head);font-size:64px;font-weight:800;line-height:1;color:var(--brown-800);font-variant-numeric:tabular-nums}
.calc-out .big small{font-size:24px;margin-left:6px}
.calc-out dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0;font-size:15px}
.calc-out dt{color:#6A4A2E}
.calc-out dd{margin:0;font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.calc-out p{font-size:14px;color:#6A4A2E}
@media (max-width:760px){.calc{grid-template-columns:1fr}.suggest td:last-child{display:none}.suggest th:last-child{display:none}}

/* 6 lý do */
.reasons{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 22px}
.reason{display:grid;gap:0;align-content:start;min-width:0}
.reason .tag{justify-self:start;display:flex;align-items:center;gap:10px;background:var(--gold-grad);color:var(--gold-ink);font-family:var(--f-head);font-weight:800;font-size:19px;line-height:1.15;padding:6px 18px 6px 6px;border-radius:999px;margin-bottom:-14px;position:relative;z-index:1;margin-left:12px}
.reason .tag i{font-style:normal;width:32px;height:32px;flex:0 0 32px;border-radius:50%;background:var(--brown-800);color:var(--gold-2);display:grid;place-items:center;font-size:18px}
.reason img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:20px 20px 0 0}
.reason p{background:rgba(0,0,0,.25);border:1px solid rgba(255,219,126,.25);border-top:0;border-radius:0 0 20px 20px;padding:14px 16px;font-size:14px;color:var(--on-brown);text-align:center}
.reason p b{color:var(--gold-2)}
@media (max-width:900px){.reasons{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.reasons{grid-template-columns:1fr}}

/* Trọn bộ */
.box{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.box img{border-radius:22px;max-height:640px;margin-inline:auto}
.box-list{list-style:none;margin:0;padding:0;counter-reset:i;display:grid;gap:10px}
.box-list li{display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:center;background:rgba(0,0,0,.2);border:1px solid rgba(255,219,126,.18);border-radius:16px;padding:12px 14px}
.box-list li::before{counter-increment:i;content:counter(i,decimal-leading-zero);width:44px;height:44px;border-radius:50%;background:var(--gold-grad);color:var(--gold-ink);display:grid;place-items:center;font-family:var(--f-head);font-weight:800}
.box-list b{display:block;color:var(--gold-1)}
.box-list span{font-size:14px;color:var(--on-brown-muted)}
@media (max-width:860px){.box{grid-template-columns:1fr}}

/* Ảnh thật */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{margin:0;display:grid;gap:10px;min-width:0}
.gallery img{border-radius:18px;aspect-ratio:3/4;object-fit:cover;width:100%}
.gallery figcaption{font-size:14px;color:var(--on-brown-muted);text-align:center}
@media (max-width:760px){.gallery{grid-template-columns:1fr 1fr}.gallery figure:last-child{grid-column:1/-1}.gallery figure:last-child img{aspect-ratio:4/3}}

/* Chọn gói + form */
.order{background:var(--cream);color:var(--gold-ink);border-radius:28px;padding:36px clamp(18px,4vw,44px);box-shadow:0 20px 50px rgba(0,0,0,.3);display:grid;grid-template-columns:1fr 1fr;gap:36px}
.order h2{font-size:clamp(26px,3.6vw,36px);color:var(--brown-800);margin-bottom:16px}
.packs{display:grid;gap:10px}
.pack{display:grid;grid-template-columns:24px 1fr auto;gap:12px;align-items:center;border:2px solid var(--cream-line);border-radius:16px;padding:14px 16px;cursor:pointer;background:#fff}
.pack:has(input:checked){border-color:var(--gold-3);background:var(--gold-1)}
.pack input{accent-color:var(--red);width:20px;height:20px;margin:0}
.pack b{display:block;font-size:17px}
.pack span{font-size:13px;color:#6A4A2E}
.pack em{font-style:normal;font-family:var(--f-head);font-weight:800;font-size:22px;color:var(--brown-800);text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.pack .hot{display:inline-block;background:var(--red);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;margin-left:6px;vertical-align:middle}
.order-form{display:grid;gap:12px;align-content:start}
.order-form label{font-size:14px;font-weight:600;color:var(--brown-700)}
.order-form input,.order-form textarea{width:100%;min-height:52px;padding:12px 16px;border-radius:14px;border:0;background:var(--red);color:#fff;font:500 16px var(--f-body)}
.order-form textarea{min-height:80px;resize:vertical}
.order-form ::placeholder{color:rgba(255,255,255,.85)}
.order-form .btn{width:100%}
.order-note{font-size:14px;color:#6A4A2E;text-align:center}
.order-note b{color:var(--red-2)}
.order-result{display:grid;gap:10px;background:#fff;border:2px dashed var(--gold-3);border-radius:16px;padding:16px}
.order-result pre{margin:0;white-space:pre-wrap;font:500 15px var(--f-body);color:var(--gold-ink)}
.order-result .acts{display:flex;flex-wrap:wrap;gap:8px}
.order-result .btn{min-height:46px;font-size:18px;width:auto;flex:1}
.order-result .msg{font-size:14px;color:var(--red-2);min-height:1.3em}
@media (max-width:860px){.order{grid-template-columns:1fr}}

/* Dịch vụ & cam kết */
.service{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.service div{display:grid;gap:10px;justify-items:center}
.medal{width:96px;height:96px;border-radius:50%;background:var(--gold-grad);display:grid;place-items:center;color:var(--gold-ink);font-family:var(--f-head);font-weight:800;font-size:26px;line-height:1;box-shadow:0 0 0 6px rgba(255,219,126,.18),0 12px 24px rgba(0,0,0,.35)}
.medal small{display:block;font-size:12px;font-weight:700}
.service b{font-size:17px;color:var(--gold-1)}
.service span{font-size:14px;color:var(--on-brown-muted)}
@media (max-width:860px){.service{grid-template-columns:1fr 1fr;gap:28px 16px}}

/* Hỏi đáp */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid rgba(255,219,126,.2);padding:16px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px;color:var(--gold-1)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-head);font-size:26px;line-height:.9;color:var(--gold-2)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin-top:8px;color:var(--on-brown-muted)}

/* Chân trang */
.contact-band{background:var(--brown-950);border-top:1px solid rgba(255,219,126,.18);padding-block:40px}
.contact-band .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.contact-band h2{font-size:clamp(26px,3.6vw,36px);color:var(--gold-2)}
.contact-band p{color:var(--on-brown-muted);margin-top:8px}
.contact-box{display:grid;gap:12px;justify-items:start}
.phone-big{font-family:var(--f-head);font-weight:800;font-size:44px;line-height:1;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:all;font-variant-numeric:tabular-nums}
.contact-box .acts{display:flex;flex-wrap:wrap;gap:10px}
.contact-box .btn{min-height:48px;font-size:19px}
.copy-msg{font-size:14px;color:var(--gold-2);min-height:1.3em}
footer{padding-block:22px;font-size:13px;color:var(--on-brown-muted);background:var(--brown-950)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
@media (max-width:860px){.contact-band .wrap{grid-template-columns:1fr}}

/* ===== Trang chủ thương hiệu & trang đèn đường ===== */
.crumb{font-size:14px;color:var(--on-brown-muted);padding-top:18px}
.crumb a{color:var(--gold-2);text-decoration:none}
.brand-hero{padding-block:56px 64px;background:radial-gradient(70% 60% at 50% 0%,rgba(40,48,92,.75),transparent 70%)}
.brand-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.brand-hero h1{font-size:clamp(44px,6.6vw,78px);background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.02}
.brand-hero .lead{font-size:18px;color:var(--on-brown);max-width:540px}
.brand-hero .hero-copy{display:grid;gap:20px;min-width:0}
.brand-hero .acts{display:flex;flex-wrap:wrap;gap:12px}
.hero-mosaic{display:grid;grid-template-columns:1fr 1fr;gap:12px;min-width:0}
.hero-mosaic img{border-radius:20px;width:100%;aspect-ratio:3/4;object-fit:cover;box-shadow:0 18px 40px rgba(0,0,0,.4)}
.hero-mosaic img:last-child{margin-top:36px}
@media (max-width:880px){.brand-hero .wrap{grid-template-columns:1fr}}

.facts{background:var(--brown-950);border-block:1px solid rgba(255,219,126,.15)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.facts div{padding:22px 16px;border-left:1px solid rgba(255,219,126,.15);display:grid;gap:2px}
.facts div:first-child{border-left:0;padding-left:0}
.facts b{font-family:var(--f-head);font-size:34px;line-height:1;background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.facts span{font-size:14px;color:var(--on-brown-muted)}
@media (max-width:760px){.facts .wrap{grid-template-columns:1fr 1fr}.facts div{border-left:0;padding-left:0;border-top:1px solid rgba(255,219,126,.15)}}

.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cat{background:var(--cream);color:var(--gold-ink);border-radius:26px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;box-shadow:0 18px 44px rgba(0,0,0,.3);text-decoration:none;transition:transform .15s}
.cat:hover{transform:translateY(-3px)}
.cat img{width:100%;aspect-ratio:3/2;object-fit:cover;object-position:center 80%}
.cat-body{padding:22px 24px 26px;display:grid;gap:10px;align-content:start}
.cat-body .type{font-size:13px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--brown-500)}
.cat-body h3{font-size:30px;color:var(--brown-800)}
.cat-body p{color:#5A3D25;font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--cream-2);border:1px solid var(--cream-line);color:var(--brown-700)}
.cat-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px;flex-wrap:wrap}
.cat-foot .price{font-family:var(--f-head);font-weight:800;font-size:24px;color:var(--brown-800)}
.cat-foot .go{font-family:var(--f-cta);font-weight:800;font-size:19px;text-transform:uppercase;color:var(--red)}
.cat-more{margin-top:20px;border:1px dashed rgba(255,219,126,.4);border-radius:20px;padding:18px 22px;text-align:center;color:var(--on-brown-muted);font-size:15px}
@media (max-width:760px){.cat-grid{grid-template-columns:1fr}}

.about{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-text{display:grid;gap:14px;font-size:17px;color:var(--on-brown)}
.about-text b{color:var(--gold-2)}
.about img{border-radius:22px;max-height:560px;margin-inline:auto}
@media (max-width:860px){.about{grid-template-columns:1fr}}

.projects{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.projects figure{margin:0;position:relative;min-width:0;border-radius:16px;overflow:hidden}
.projects img{width:100%;height:100%;aspect-ratio:3/4;object-fit:cover}
.projects figure.wide{grid-column:span 2}
.projects figure.wide img{aspect-ratio:auto;height:100%}
.projects figcaption{position:absolute;left:10px;right:10px;bottom:10px;background:rgba(36,17,10,.82);color:var(--on-brown);font-size:13px;padding:6px 10px;border-radius:10px}
@media (max-width:860px){.projects{grid-template-columns:1fr 1fr}.projects figure.wide{grid-column:span 2}.projects figure.wide img{aspect-ratio:16/10}}

.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.split > *{min-width:0}
.sheet-img{border-radius:20px;box-shadow:0 18px 40px rgba(0,0,0,.35)}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.callout{background:rgba(0,0,0,.22);border:1px solid rgba(255,219,126,.3);border-radius:20px;padding:22px;display:grid;gap:10px}
.callout h3{color:var(--gold-2);font-size:24px}
.callout p,.callout li{color:var(--on-brown);font-size:15px}
.callout ul{margin:0;padding-left:18px;display:grid;gap:6px}

/* ===== Bổ sung sau khi tham khảo đối thủ ===== */
.space-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.space{position:relative;border-radius:20px;overflow:hidden;min-height:240px;display:flex;align-items:flex-end;text-decoration:none;color:var(--on-brown);box-shadow:0 14px 30px rgba(0,0,0,.3)}
.space img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.space::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(36,17,10,0) 30%,rgba(36,17,10,.92) 100%)}
.space div{position:relative;z-index:1;padding:16px;display:grid;gap:4px}
.space b{font-family:var(--f-head);font-size:22px;color:var(--gold-1);line-height:1.1}
.space span{font-size:13px;color:var(--on-brown-muted)}
.space em{font-style:normal;font-size:13px;font-weight:700;color:var(--gold-2)}
@media (max-width:900px){.space-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.space-grid{grid-template-columns:1fr}}

.read-spec{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.read-spec div{background:var(--cream);color:var(--gold-ink);border-radius:20px;padding:22px;display:grid;gap:8px;align-content:start}
.read-spec .q{font-family:var(--f-head);font-weight:800;font-size:22px;color:var(--brown-800);line-height:1.15}
.read-spec p{font-size:15px;color:#5A3D25}
.read-spec .ex{font-size:14px;background:var(--cream-2);border-radius:12px;padding:10px 12px;color:var(--brown-700)}
@media (max-width:860px){.read-spec{grid-template-columns:1fr}}

.dealer{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.dealer .callout ul{gap:8px}
@media (max-width:860px){.dealer{grid-template-columns:1fr}}
.lead-form{background:var(--cream);color:var(--gold-ink);border-radius:22px;padding:22px;display:grid;gap:10px}
.lead-form h3{color:var(--brown-800);font-size:24px}
.lead-form select,.lead-form input,.lead-form textarea{width:100%;min-height:50px;padding:12px 14px;border-radius:12px;border:1px solid var(--cream-line);background:#fff;color:var(--gold-ink);font:500 16px var(--f-body)}
.lead-form textarea{min-height:76px;resize:vertical}
.lead-form .btn{width:100%}
.lead-out{display:grid;gap:8px;border:2px dashed var(--gold-3);border-radius:14px;padding:12px;background:#fff}
.lead-out pre{margin:0;white-space:pre-wrap;font:500 15px var(--f-body)}
.lead-out .acts{display:flex;gap:8px;flex-wrap:wrap}
.lead-out .btn{flex:1;min-height:44px;font-size:17px;width:auto}
.lead-out .msg{font-size:14px;color:var(--red-2);min-height:1.3em}

/* Thanh liên hệ nổi */
.float-contact{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:50;display:flex;flex-direction:column;gap:10px}
.float-contact a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;text-decoration:none;font-family:var(--f-cta);font-weight:800;font-size:15px;box-shadow:0 10px 24px rgba(0,0,0,.4)}
.float-contact .fz{background:#0068FF;color:#fff}
.float-contact .fc{background:var(--red);color:#fff}
@media (max-width:640px){
  .float-contact{left:0;right:0;bottom:0;flex-direction:row;gap:0;padding-bottom:env(safe-area-inset-bottom,0px);background:var(--brown-950)}
  .float-contact a{flex:1;width:auto;height:54px;border-radius:0;font-size:19px;box-shadow:none}
  body{padding-bottom:54px}
}

/* Trang chính sách */
.policy{max-width:860px;margin:0 auto;display:grid;gap:18px}
.policy article{background:var(--cream);color:var(--gold-ink);border-radius:22px;padding:24px clamp(18px,4vw,32px);display:grid;gap:10px}
.policy h2{font-size:28px;color:var(--brown-800)}
.policy p,.policy li{font-size:16px;color:#4A2D18}
.policy ul{margin:0;padding-left:20px;display:grid;gap:6px}
.policy table{font-size:15px}
.policy th,.policy td{border:1px solid var(--cream-line);padding:10px 12px;text-align:left;vertical-align:top}
.policy th{background:var(--cream-2)}
.toc{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:8px}
.toc a{padding:8px 14px;border-radius:999px;border:1px solid rgba(255,219,126,.35);text-decoration:none;font-weight:600;font-size:14px}

.client{max-width:860px;margin:0 auto 32px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;background:var(--cream);color:var(--gold-ink);border-radius:22px;padding:20px 24px;box-shadow:0 14px 34px rgba(0,0,0,.28)}
.client .k{font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--brown-500)}
.client b{display:block;font-family:var(--f-head);font-size:26px;line-height:1.1;color:var(--brown-800)}
.client p{font-size:15px;color:#5A3D25}
.client .mark{width:64px;height:64px;border-radius:16px;background:var(--gold-grad);display:grid;place-items:center;font-family:var(--f-head);font-weight:800;font-size:26px;color:var(--brown-800)}
@media (max-width:560px){.client{grid-template-columns:1fr}}

/* Thẻ sản phẩm có bảng thông số */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pcard{background:var(--cream);color:var(--gold-ink);border-radius:22px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;box-shadow:0 16px 38px rgba(0,0,0,.3);min-width:0}
.pcard img{width:100%;aspect-ratio:1/1;object-fit:cover}
.pcard-body{padding:18px 18px 20px;display:grid;gap:10px;align-content:start}
.pcard .code{font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--brown-500)}
.pcard h4{margin:0;font-family:var(--f-head);font-weight:800;font-size:24px;line-height:1.1;color:var(--brown-800)}
.pcard dl{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:0;font-size:14px}
.pcard dt{color:#6A4A2E}
.pcard dd{margin:0;font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.pcard .note{font-size:12px;color:#7A5A3E}
.pcard .acts{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.pcard .acts a{flex:1;min-height:44px;font-size:17px;padding:0 14px}
.btn-dark{background:var(--brown-800);color:var(--gold-1)}
@media (max-width:960px){.pgrid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.pgrid{grid-template-columns:1fr}}
.spec.cfg thead th{background:var(--cream-2);color:var(--brown-800);font-weight:700;padding:12px 16px;white-space:nowrap;width:auto}
.spec.cfg th[scope=row]{width:auto;white-space:nowrap;color:var(--brown-800);font-weight:700}
.spec.cfg td{white-space:nowrap}

.service .medal{color:var(--brown-800)}
.service .medal small{color:var(--brown-700)}
[hidden]{display:none!important}