:root {
  --ladi-color-text: #0f172a;
  --ladi-color-muted: #64748b;
  --ladi-color-line: #e2e8f0;
  --ladi-color-primary: #6d28d9;
  --ladi-color-bg: #ffffff;
  /* Tên ngắn shop.css dùng (bản demo cũ) — trỏ về biến hợp đồng --ladi-*, đổi màu ở trên là đổi theo. */
  --ink: var(--ladi-color-text);
  --royal: var(--ladi-color-primary);
  --muted: var(--ladi-color-muted);
  --line: var(--ladi-color-line);
  --tint2: var(--ladi-color-soft, #f4f6fb);
  --sh-1: 0 1px 3px rgba(15, 23, 42, .08);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ladi-color-text);
  background: var(--ladi-color-bg);
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.6; }
a { color: var(--ladi-color-primary); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.ladi-container { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
main.ladi-container { padding-top: 32px; padding-bottom: 48px; }

.ladi-header { border-bottom: 1px solid var(--ladi-color-line); }
.ladi-header .ladi-container { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.ladi-header .ladi-header__logo { font-weight: 700; color: var(--ladi-color-text); }
.ladi-header nav { display: flex; gap: 16px; }
.ladi-header nav a { color: var(--ladi-color-text); }
.ladi-header .ladi-header__search { margin-left: auto; }
.ladi-header input { border: 1px solid var(--ladi-color-line); border-radius: 8px; padding: 8px 12px; font: inherit; }

.ladi-hero { padding: 80px 0; text-align: center; }
.ladi-hero h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 12px; }
.ladi-hero__lead { color: var(--ladi-color-muted); font-size: 1.125rem; max-width: 640px; margin: 0 auto 24px; }
.ladi-btn { display: inline-block; background: var(--ladi-color-primary); color: #fff; padding: 10px 20px; border-radius: 8px; font-weight: 600; }

.ladi-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 24px; }
.ladi-chips__item { border: 1px solid var(--ladi-color-line); border-radius: 999px; padding: 4px 12px; font-size: .875rem; color: var(--ladi-color-text); }
.ladi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.ladi-card { border: 1px solid var(--ladi-color-line); border-radius: 12px; overflow: hidden; }
.ladi-card__body { padding: 16px; }
.ladi-card h2 { font-size: 1.125rem; margin: 0 0 8px; line-height: 1.4; }
.ladi-card h2 a { color: var(--ladi-color-text); }
.ladi-card p { color: var(--ladi-color-muted); margin: 0 0 8px; }
.ladi-card time, .ladi-post__meta { color: var(--ladi-color-muted); font-size: .875rem; }
.ladi-empty { color: var(--ladi-color-muted); }

.ladi-crumbs { color: var(--ladi-color-muted); font-size: .875rem; margin-bottom: 16px; }
.ladi-post > .ladi-crumbs, .ladi-post article, .ladi-post > section { max-width: 760px; margin-left: auto; margin-right: auto; }
.ladi-post .ladi-post__cover { border-radius: 12px; margin: 16px 0; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
/* Ảnh resize của CDN (s<W>x<H>) giữ tỉ lệ gốc, khác 16:9 của width/height trên thẻ: khung cố định 16:9, ảnh lấp đầy, không méo, không nhảy bố cục. */
.ladi-card__image img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.ladi-content h2 { margin-top: 32px; }
.ladi-post section { margin-top: 48px; }

.ladi-pager { display: flex; gap: 8px; margin-top: 32px; }
.ladi-pager a, .ladi-pager span { border: 1px solid var(--ladi-color-line); border-radius: 8px; padding: 4px 12px; }
.ladi-pager span[aria-current] { background: var(--ladi-color-primary); color: #fff; border-color: var(--ladi-color-primary); }

.ladi-footer { border-top: 1px solid var(--ladi-color-line); padding: 24px 0; color: var(--ladi-color-muted); }
.ladi-footer .ladi-container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.ladi-footer nav { display: flex; gap: 16px; }

/* SVT Solar — giao diện responsive */
:root { --svt-forest:#103c32; --svt-green:#17735d; --svt-mint:#eaf5ef; --svt-gold:#d8a13a; --svt-ink:#18312a; --svt-muted:#5d7069; --svt-line:#dce8e1; --svt-paper:#f7faf8; }
.svt-container { width:min(1160px, calc(100% - 36px)); margin-inline:auto; }
.svt-site-header { background:#fff; border-bottom:1px solid var(--svt-line); position:relative; z-index:2; }
.svt-header-inner { min-height:78px; display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; padding-block:10px; }
.svt-brand { display:inline-flex; align-items:center; gap:10px; color:var(--svt-forest); text-decoration:none; flex:none; }
.svt-brand > span:last-child { display:grid; line-height:1.2; }
.svt-brand strong { font-size:1.04rem; letter-spacing:.01em; }
.svt-brand small { color:var(--svt-muted); font-size:.68rem; margin-top:4px; }
.svt-logo-mark { display:grid; place-items:center; width:42px; height:42px; border-radius:13px; background:var(--svt-forest); color:#fff; font-weight:800; letter-spacing:-.06em; }
.svt-logo-image { display:block; width:42px; height:42px; flex:0 0 42px; object-fit:contain; border-radius:9px; background:#fff; }
@media (max-width:640px) { .svt-logo-image { width:38px; height:38px; flex-basis:38px; } }
.svt-site-nav { display:flex; align-items:center; justify-content:center; gap:clamp(10px,1.5vw,22px); flex-wrap:wrap; }
.svt-site-nav a { color:var(--svt-ink); text-decoration:none; font-size:.9rem; font-weight:600; }
.svt-site-nav a:hover,.svt-site-nav a:focus-visible { color:var(--svt-green); }
.svt-header-cta,.svt-btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; border-radius:999px; padding:12px 19px; font-weight:700; text-decoration:none; transition:transform .15s ease,background .15s ease; }
.svt-header-cta,.svt-btn-primary { background:var(--svt-green); color:#fff!important; }
.svt-header-cta:hover,.svt-btn-primary:hover { background:var(--svt-forest); transform:translateY(-1px); }
.svt-btn-secondary { border:1px solid var(--svt-line); color:var(--svt-forest); background:#fff; }
.svt-home-hero { background:linear-gradient(135deg,#f3faf6 0%,#fff 56%,#edf6f0 100%); padding:clamp(44px,7vw,88px) 0; }
.svt-hero-grid { display:grid; grid-template-columns:1.05fr .95fr; align-items:center; gap:clamp(28px,5vw,68px); }
.svt-eyebrow { color:var(--svt-green); font-size:.78rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
.svt-home-hero h1,.svt-page-hero h1 { color:var(--svt-forest); font-size:clamp(2.2rem,5.2vw,4.35rem); line-height:1.05; letter-spacing:-.045em; margin:14px 0 18px; }
.svt-lead { color:var(--svt-muted); font-size:clamp(1.03rem,1.5vw,1.2rem); max-width:650px; margin:0 0 22px; }
.svt-hero-actions { display:flex; flex-wrap:wrap; gap:12px; margin:26px 0 20px; }
.svt-microcopy { color:var(--svt-muted); font-size:.88rem; }
.svt-hero-image { margin:0; position:relative; }
.svt-hero-image img { width:100%; aspect-ratio:1.22/1; object-fit:cover; border-radius:28px; box-shadow:0 22px 55px rgba(16,60,50,.16); }
.svt-image-caption { color:var(--svt-muted); font-size:.78rem; margin-top:9px; }
.svt-proof-row { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--svt-line); border-block:1px solid var(--svt-line); }
.svt-proof-row > div { background:#fff; padding:20px 16px; text-align:center; }
.svt-proof-row strong { display:block; color:var(--svt-forest); font-size:1rem; }
.svt-proof-row span { display:block; color:var(--svt-muted); font-size:.82rem; margin-top:4px; }
.svt-section { padding:clamp(46px,7vw,82px) 0; }
.svt-section-soft { background:var(--svt-paper); }
.svt-section-head { max-width:760px; margin:0 auto 30px; text-align:center; }
.svt-section-head h2,.svt-article h1,.svt-article h2,.svt-contact h1 { color:var(--svt-forest); letter-spacing:-.025em; }
.svt-section-head h2 { font-size:clamp(1.7rem,3.2vw,2.6rem); line-height:1.12; margin:10px 0 12px; }
.svt-section-head p,.svt-card p,.svt-article p,.svt-article li { color:var(--svt-muted); }
.svt-grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.svt-grid-2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.svt-card { background:#fff; border:1px solid var(--svt-line); border-radius:20px; padding:24px; box-shadow:0 8px 24px rgba(16,60,50,.04); }
.svt-card h3 { color:var(--svt-forest); font-size:1.15rem; margin:0 0 9px; }
.svt-card p { margin:0 0 16px; }
.svt-card a:not(.svt-btn) { color:var(--svt-green); font-weight:700; }
.svt-icon { display:grid; place-items:center; width:42px; height:42px; border-radius:13px; background:var(--svt-mint); color:var(--svt-green); font-weight:800; margin-bottom:17px; }
.svt-band { background:var(--svt-forest); color:#fff; padding:clamp(26px,4vw,42px); border-radius:24px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.svt-band h2 { color:#fff; margin:0 0 8px; font-size:clamp(1.5rem,3vw,2.3rem); }
.svt-band p { color:#d5e6df; margin:0; max-width:700px; }
.svt-band .svt-btn-secondary { border:0; }
.svt-table-wrap { overflow:auto; border:1px solid var(--svt-line); border-radius:16px; background:#fff; }
.svt-table { border-collapse:collapse; width:100%; min-width:680px; }
.svt-table th,.svt-table td { padding:14px 16px; border-bottom:1px solid var(--svt-line); text-align:left; vertical-align:top; }
.svt-table th { background:#f1f7f3; color:var(--svt-forest); font-size:.9rem; }
.svt-table td { color:var(--svt-muted); }
.svt-note { padding:16px 18px; border-left:4px solid var(--svt-gold); background:#fff8e9; border-radius:0 12px 12px 0; color:#665126; }
.svt-article { max-width:860px; margin:0 auto; padding:46px 0 74px; }
.svt-article h1 { font-size:clamp(2rem,4vw,3rem); line-height:1.1; }
.svt-article h2 { margin-top:32px; font-size:1.35rem; }
.svt-breadcrumb { color:var(--svt-muted); font-size:.86rem; margin:20px 0 8px; }
.svt-breadcrumb a { color:var(--svt-green); }
#ladi-svt-calc-intro .svt-article { padding:18px 0 10px; }
#ladi-svt-calc-intro .svt-breadcrumb { margin:8px 0; }
#ladi-svt-calc-intro h1 { font-size:clamp(1.85rem,4.5vw,2.75rem); margin:8px 0 10px; }
#ladi-svt-calc-intro .svt-lead { font-size:1rem; margin-bottom:0; }
.svt-calculator-intro { padding:20px 0 6px; color:var(--svt-muted); }
.svt-calculator-host { padding-bottom:40px; }
.svt-local-data-note { border:1px solid var(--svt-line); border-radius:12px; padding:12px 15px; background:#f4faf6; font-size:.9rem; }
.svt-cdn-error { margin:16px; padding:14px; border:1px solid #e5a4a4; border-radius:10px; color:#8b2525; background:#fff3f3; }
#ladi-svt-calculator-root .topbar { display:none; }
@media (max-width:640px) {
  #ladi-svt-calculator-root .quick-heading > div > p,
  #ladi-svt-calculator-root .quick-heading .quick-pill { display:none; }
  #ladi-svt-calculator-root .quick-heading { margin-bottom:12px; }
}
.svt-contact-card { background:var(--svt-paper); border:1px solid var(--svt-line); border-radius:20px; padding:24px; }
.svt-contact-card a { color:var(--svt-green); font-weight:700; }
.svt-site-footer { background:#0c3028; color:#e5f0eb; padding:42px 0 18px; }
.svt-footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:26px; }
.svt-site-footer a { color:#e5f0eb; text-decoration:none; }
.svt-site-footer a:hover { text-decoration:underline; }
.svt-site-footer .svt-brand { color:#fff; }
.svt-site-footer .svt-brand small { color:#bad0c6; }
.svt-brand-footer { margin-bottom:14px; }
.svt-site-footer p { color:#bad0c6; max-width:520px; }
.svt-footer-grid > div:nth-child(n+2) { display:flex; flex-direction:column; align-items:flex-start; gap:10px; }
.svt-footer-grid > div:nth-child(n+2) > strong { color:#fff; margin-bottom:4px; }
.svt-footer-note { border-top:1px solid rgba(255,255,255,.15); margin-top:26px; padding-top:12px; font-size:.82rem; }
.svt-footer-note p { margin:0; }
@media (max-width:900px) { .svt-header-inner { justify-content:center; } .svt-site-nav { order:3; width:100%; } .svt-header-cta { margin-left:auto; } .svt-hero-grid { grid-template-columns:1fr; } .svt-hero-image { max-width:700px; } .svt-proof-row { grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px) { .svt-container { width:min(100% - 26px,1160px); } .svt-header-inner { gap:10px; } .svt-site-nav { gap:8px 13px; justify-content:flex-start; } .svt-site-nav a { font-size:.82rem; } .svt-header-cta { padding:9px 13px; font-size:.85rem; } .svt-grid-3,.svt-grid-2,.svt-footer-grid { grid-template-columns:1fr; } .svt-band { align-items:flex-start; flex-direction:column; } .svt-home-hero h1 { font-size:2.35rem; } .svt-section { padding:44px 0; } }

.ladi-latest { padding: 0 0 64px; }
.ladi-latest > .ladi-container > h2 { font-size: 1.5rem; margin: 0 0 24px; }
/* Thẻ SP trong nội dung bài (hook data-ladi-post-products, ladi.sdk vẽ theo <template data-ladi-post-product>). */
:where([data-ladi-post-products]) { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin: 24px 0; }
:where(.ladi-post-product) { border: 1px solid var(--ladi-color-line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; gap: 6px; padding-bottom: 12px; }
:where(.ladi-post-product__img) img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
:where(.ladi-post-product__name, .ladi-post-product__price) { padding: 0 12px; margin: 0; }
:where(.ladi-post-product .ladi-btn) { margin: 0 12px; }