:root{
  --green:#174b34;--green2:#226144;--cream:#fbf8ef;--gold:#b48934;
  --text:#26352e;--muted:#68776f;--line:#dfe7e2;--white:#fff;
  --shadow:0 12px 35px rgba(22,75,52,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.65}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.blog-shell{width:min(1120px,calc(100% - 32px));margin:auto}
.blog-top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.blog-top .inner{min-height:68px;display:flex;align-items:center;gap:18px;justify-content:space-between}
.blog-brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;color:var(--green)}
.blog-brand img{width:42px;height:42px;object-fit:contain}
.blog-brand span{font-size:19px;line-height:1.08}
.blog-nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.blog-nav a{text-decoration:none;padding:9px 11px;border-radius:10px;font-size:14px;font-weight:700;color:#40544a}
.blog-nav a:hover,.blog-nav a.active{background:#eef6f1;color:var(--green)}
.blog-nav .cta{background:var(--green);color:#fff}
.blog-hero{padding:58px 0 44px;background:linear-gradient(135deg,#f5fbf7,#fff8e8);border-bottom:1px solid #eee8d9}
.blog-kicker{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.06em;color:#8b681f;background:#fff3cf;border:1px solid #ead9a2;padding:6px 10px;border-radius:999px}
.blog-hero h1{font-size:clamp(34px,6vw,58px);line-height:1.08;color:var(--green);margin:14px 0 14px;max-width:800px}
.blog-hero p{font-size:18px;color:#5e7066;max-width:780px;margin:0}
.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding:38px 0 52px}
.blog-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;box-shadow:var(--shadow);display:flex;flex-direction:column}
.blog-card .thumb{aspect-ratio:16/10;background:#eef4f0;overflow:hidden}
.blog-card .thumb img{width:100%;height:100%;object-fit:cover}
.blog-card .body{padding:18px;display:flex;flex-direction:column;flex:1}
.blog-card .meta{font-size:12px;color:#7a8981;font-weight:700;margin-bottom:6px}
.blog-card h2,.blog-card h3{font-size:20px;line-height:1.35;margin:0 0 9px;color:var(--green)}
.blog-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
.blog-card .read{margin-top:auto;color:var(--green);font-weight:900;text-decoration:none}
.blog-card.featured{grid-column:span 2}
.blog-card.featured h2{font-size:26px}
.blog-category{padding:40px 0;background:#f8fbf9;border-top:1px solid #edf2ef}
.blog-category h2{color:var(--green);margin:0 0 15px}
.blog-tags{display:flex;gap:8px;flex-wrap:wrap}
.blog-tags a{text-decoration:none;border:1px solid #dce7e1;background:#fff;padding:8px 11px;border-radius:999px;font-size:13px;font-weight:700;color:#50645a}
.article-head{padding:48px 0 28px;background:linear-gradient(135deg,#f7fbf8,#fff9ea);border-bottom:1px solid #eee8d9}
.article-head .breadcrumbs{font-size:13px;color:#718078;margin-bottom:14px}
.article-head .breadcrumbs a{text-decoration:none;color:var(--green);font-weight:700}
.article-head h1{font-size:clamp(32px,5vw,50px);line-height:1.12;color:var(--green);max-width:900px;margin:0 0 13px}
.article-head .lead{font-size:18px;color:#5d7066;max-width:850px;margin:0}
.article-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;font-size:13px;color:#738078}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(240px,1fr);gap:36px;padding:38px 0 55px;align-items:start}
.article-main{min-width:0}
.article-cover{border-radius:18px;overflow:hidden;margin-bottom:28px;border:1px solid var(--line);background:#f1f6f3}
.article-cover img{width:100%;max-height:470px;object-fit:cover}
.article-main h2{color:var(--green);font-size:28px;line-height:1.3;margin:34px 0 12px}
.article-main h3{color:#25573f;font-size:21px;margin:26px 0 10px}
.article-main p,.article-main li{font-size:17px;color:#3f5148}
.article-main ul,.article-main ol{padding-left:22px}
.article-note{border-left:4px solid var(--gold);background:#fff9e9;padding:16px 18px;border-radius:0 12px 12px 0;margin:24px 0;color:#4c5c53}
.article-table{width:100%;border-collapse:collapse;margin:18px 0 24px;font-size:15px}
.article-table th,.article-table td{border:1px solid #dce6e0;padding:10px;text-align:left;vertical-align:top}
.article-table th{background:#eef6f1;color:var(--green)}
.article-cta{margin:34px 0 0;padding:22px;border-radius:18px;background:var(--green);color:#fff}
.article-cta h3{color:#fff;margin:0 0 8px}
.article-cta p{color:#e6f1eb;margin:0 0 14px}
.article-cta .buttons{display:flex;gap:10px;flex-wrap:wrap}
.article-cta a{display:inline-block;text-decoration:none;font-weight:900;border-radius:11px;padding:10px 14px;background:#fff;color:var(--green)}
.article-cta a.alt{background:#d8ae53;color:#173c2b}
.article-side{position:sticky;top:88px}
.side-box{border:1px solid var(--line);border-radius:16px;padding:17px;background:#fff;box-shadow:var(--shadow);margin-bottom:16px}
.side-box h3{margin:0 0 10px;color:var(--green);font-size:17px}
.side-box a{display:block;text-decoration:none;color:#53665c;padding:8px 0;border-bottom:1px dashed #e4ebe7;font-size:14px}
.side-box a:last-child{border-bottom:0}
.related{padding:36px 0 50px;border-top:1px solid var(--line);background:#fafcfb}
.related h2{color:var(--green);margin:0 0 16px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.related a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:14px;background:#fff;padding:15px;font-weight:800;color:var(--green)}
.blog-footer{background:#143f2e;color:#dfeae4;padding:30px 0;margin-top:0}
.blog-footer .cols{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.blog-footer strong{color:#fff}
.blog-footer a{color:#fff;text-decoration:none}
.blog-footer small{display:block;margin-top:10px;color:#bcd0c5}
@media(max-width:850px){
  .blog-grid{grid-template-columns:1fr 1fr}
  .blog-card.featured{grid-column:span 2}
  .article-layout{grid-template-columns:1fr}
  .article-side{position:static}
}
@media(max-width:620px){
  .blog-shell{width:min(100% - 24px,1120px)}
  .blog-top .inner{min-height:62px}
  .blog-brand span{font-size:15px}
  .blog-brand img{width:36px;height:36px}
  .blog-nav a{display:none}
  .blog-nav a.active,.blog-nav .cta{display:inline-block;padding:8px 10px;font-size:12px}
  .blog-hero{padding:40px 0 32px}
  .blog-hero p,.article-head .lead{font-size:16px}
  .blog-grid{grid-template-columns:1fr;padding:26px 0 40px}
  .blog-card.featured{grid-column:auto}
  .blog-card.featured h2{font-size:21px}
  .article-head{padding:34px 0 22px}
  .article-layout{padding:26px 0 40px}
  .article-main h2{font-size:24px}
  .article-main p,.article-main li{font-size:16px}
  .related-grid{grid-template-columns:1fr}
}

/* V7.26.0-6.7.15 — fix blog images overflowing rounded borders */
.blog-card,
.blog-card .thumb,
.article-cover,
.related a{
  overflow:hidden;
}
.blog-card .thumb img,
.article-cover img,
.article-main img,
.related img{
  display:block;
  max-width:100%;
  width:100%;
  height:auto;
}
.blog-card .thumb img,
.article-cover img{
  object-fit:cover;
}
.article-main img{
  border-radius:14px;
}
@media (max-width: 620px){
  .blog-card,
  .article-cover{
    border-radius:16px;
  }
  .article-main img{
    border-radius:12px;
  }
}


/* V7.26.0-6.7.16 — polish Blog images & cards */

/* 1) Thumbnail đồng đều, không méo, không tràn */
.blog-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  background:#f3f7f4;
  overflow:hidden;
  border-bottom:1px solid #e8eeea;
}
.blog-card .thumb img{
  width:100%;
  height:100%;
  max-width:100%;
  object-fit:contain;
  object-position:center;
  padding:10px;
  background:#fff;
}

/* Bài nổi bật giữ ảnh thoáng hơn */
.blog-card.featured .thumb{
  aspect-ratio:16/8.8;
}
.blog-card.featured .thumb img{
  padding:12px;
}

/* 2) Card đẹp và cân đối hơn */
.blog-card{
  border-radius:20px;
  border:1px solid #dfe8e3;
  box-shadow:0 10px 28px rgba(23,75,52,.07);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.blog-card:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(23,75,52,.11);
  border-color:#cfddd5;
}
.blog-card .body{
  padding:19px 19px 20px;
}
.blog-card .meta{
  color:#7d8b83;
  letter-spacing:.01em;
}
.blog-card h2,
.blog-card h3{
  line-height:1.4;
}
.blog-card .read{
  display:inline-flex;
  align-items:center;
  gap:4px;
  margin-top:auto;
  padding-top:4px;
}

/* 3) Ảnh cover bài viết: nằm gọn trong khung, xem đủ sản phẩm */
.article-cover{
  aspect-ratio:16/9;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  border:1px solid #e0e8e3;
  border-radius:20px;
  padding:14px;
  overflow:hidden;
  box-shadow:0 10px 28px rgba(23,75,52,.06);
}
.article-cover img{
  width:100%;
  height:100%;
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  object-position:center;
  border-radius:12px;
}

/* 4) Ảnh chèn trong nội dung bài viết */
.article-main > img,
.article-main p img,
.article-main figure img{
  display:block;
  width:auto;
  max-width:100%;
  height:auto;
  max-height:620px;
  object-fit:contain;
  margin:22px auto;
  border-radius:14px;
}

/* 5) Mobile: ảnh gọn, không quá cao */
@media(max-width:620px){
  .blog-card .thumb,
  .blog-card.featured .thumb{
    aspect-ratio:4/3;
  }
  .blog-card .thumb img,
  .blog-card.featured .thumb img{
    padding:8px;
  }
  .blog-card .body{
    padding:16px 16px 18px;
  }
  .article-cover{
    aspect-ratio:4/3;
    padding:8px;
    border-radius:16px;
  }
  .article-cover img{
    border-radius:10px;
  }
}


/* V7.26.0-6.7.17 — smart image layout per Blog asset */

/* Không để bài đầu chiếm 2 cột: ảnh vuông có chữ sẽ đẹp hơn trong card cân đối */
.blog-card.featured{
  grid-column:auto;
}
.blog-card.featured h2{
  font-size:20px;
}

/* Desktop: khung 4:3 hợp hơn với ảnh nguồn 1:1, giảm khoảng trắng hai bên */
.blog-card .thumb,
.blog-card.featured .thumb{
  aspect-ratio:4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
}
.blog-card .thumb img,
.blog-card.featured .thumb img{
  width:100%;
  height:100%;
  object-fit:contain;
  object-position:center;
  padding:5px;
  transform-origin:center;
}

/* Phóng nhẹ theo từng ảnh để tận dụng khoảng trắng bên trong file gốc.
   Mức phóng thấp để không cắt logo/chữ quan trọng. */
.smart-img-1 .thumb img{transform:scale(1.035)}
.smart-img-2 .thumb img{transform:scale(1.050)}
.smart-img-3 .thumb img{transform:scale(1.035)}
.smart-img-4 .thumb img{transform:scale(1.055)}
.smart-img-5 .thumb img{transform:scale(1.040)}

/* Card đồng đều chiều cao trên desktop */
.blog-card .body{min-height:245px}
.blog-card .body h2{min-height:56px}

/* Article cover: 4:3 thay vì 16:9 để ảnh vuông hiển thị lớn hơn mà không cắt chữ */
.article-cover{
  aspect-ratio:4/3;
  max-width:760px;
  margin-left:auto;
  margin-right:auto;
}
.article-cover img{
  object-fit:contain;
  padding:3px;
  transform-origin:center;
}

/* Tinh chỉnh riêng từng ảnh bài viết */
.article-img-1 .article-cover img{transform:scale(1.025)}
.article-img-2 .article-cover img{transform:scale(1.040)}
.article-img-3 .article-cover img{transform:scale(1.025)}
.article-img-4 .article-cover img{transform:scale(1.045)}
.article-img-5 .article-cover img{transform:scale(1.030)}

/* Tablet */
@media(max-width:850px){
  .blog-card .body{min-height:0}
  .blog-card .body h2{min-height:0}
}

/* Mobile: vẫn giữ đủ chữ và sản phẩm, không crop */
@media(max-width:620px){
  .blog-card .thumb,
  .blog-card.featured .thumb{
    aspect-ratio:4/3;
  }
  .blog-card .thumb img,
  .blog-card.featured .thumb img{
    padding:3px;
  }
  .article-cover{
    aspect-ratio:4/3;
    max-width:100%;
  }

  /* Giảm mức phóng trên mobile để tránh sát viền */
  .smart-img-1 .thumb img{transform:scale(1.015)}
  .smart-img-2 .thumb img{transform:scale(1.025)}
  .smart-img-3 .thumb img{transform:scale(1.015)}
  .smart-img-4 .thumb img{transform:scale(1.025)}
  .smart-img-5 .thumb img{transform:scale(1.020)}

  .article-img-1 .article-cover img,
  .article-img-2 .article-cover img,
  .article-img-3 .article-cover img,
  .article-img-4 .article-cover img,
  .article-img-5 .article-cover img{
    transform:scale(1.015);
  }
}


/* V7.26.0-6.7.97 — Blog media: ảnh minh họa & video workshop */
.article-media{margin:26px 0 30px;text-align:center}
.article-media img{display:block;width:auto;max-width:100%;height:auto;max-height:620px;object-fit:contain;margin:0 auto;border-radius:14px;border:1px solid var(--line);background:#fff}
.article-media figcaption{margin-top:9px;color:#65766d;font-size:13px;line-height:1.55}
.article-video-block{margin:28px 0 32px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#f7fbf8}
.article-video-block h3{margin:0 0 12px;color:var(--green)}
.article-video-frame{width:min(100%,380px);aspect-ratio:9/16;margin:0 auto;border-radius:16px;overflow:hidden;background:#000;box-shadow:0 10px 28px rgba(24,70,48,.12)}
.article-video-frame iframe{display:block;width:100%;height:100%;border:0}
.article-video-source{margin:12px 0 0;text-align:center;font-size:13px;color:#65766d}
.article-video-source a{font-weight:800}
@media(max-width:620px){.article-video-block{padding:14px}.article-video-frame{width:min(100%,340px)}}

/* V7.26.0-6.8.41 — compact Blog mobile + responsive media performance */
@media(max-width:620px){
  /* Card ảnh thấp hơn để thấy thêm nội dung/bài tiếp theo mà không crop ảnh nguồn. */
  .blog-card .thumb,
  .blog-card.featured .thumb{
    aspect-ratio:16/10;
  }
  .blog-card .thumb img,
  .blog-card.featured .thumb img{
    object-fit:contain;
    padding:2px;
  }
  .blog-grid{gap:16px}
  .blog-card .body{padding:14px 15px 16px}
  .blog-card h2,.blog-card h3{margin-bottom:7px;line-height:1.34}
  .blog-card p{margin-bottom:10px;line-height:1.55}
  /* Các card nằm sâu dưới màn hình chỉ render khi gần viewport. */
  .blog-card:nth-child(n+3){
    content-visibility:auto;
    contain-intrinsic-size:auto 430px;
  }
}

/* V7.26.0-6.8.51 — contextual internal links */
.v6851-shop-links{margin:28px 0 10px;padding:18px;border:1px solid #d9e8df;border-radius:16px;background:#f8fcf9}
.v6851-shop-links strong{display:block;margin-bottom:10px;color:#0f5b3b;font-size:18px}
.v6851-shop-links nav{display:flex;flex-wrap:wrap;gap:8px}
.v6851-shop-links a{display:inline-flex;align-items:center;min-height:40px;padding:8px 12px;border:1px solid #cfe2d7;border-radius:999px;background:#fff;color:#0f5b3b;font-weight:700;text-decoration:none}
@media(max-width:600px){.v6851-shop-links{padding:14px}.v6851-shop-links nav{display:grid}.v6851-shop-links a{border-radius:12px}}