/**
 * SunTechMall VPro — Theme-owned Blog archive/card system.
 * Post cards intentionally contain no excerpt, date, read-time or author row.
 */

body.stm-blog-archive-surface{background:var(--stm-color-surface)}
.stm-blog,.stm-blog-archive{padding-block:clamp(24px,3vw,46px);background:var(--stm-color-surface)}
.stm-site-main--blog-index{background:var(--stm-color-surface)}
.stm-blog-archive--pad{padding-inline:0}
.stm-blog__inner{min-width:0}
.stm-blog-head,.stm-blog__header{margin:0 0 22px;padding:var(--stm-raised-heading-padding-y) var(--stm-raised-heading-padding-x);border:1px solid var(--stm-raised-edge-line);border-top-color:var(--stm-raised-edge-highlight);border-radius:var(--stm-raised-radius);background:var(--stm-raised-heading-bg);box-shadow:none}
.stm-blog-head--spaced{margin-bottom:22px}
.stm-blog-title,.stm-blog__title{margin:0;color:var(--stm-raised-heading-text);font-family:var(--stm-font-display);font-size:clamp(28px,3vw,44px);font-weight:var(--stm-weight-bold);line-height:1.12;letter-spacing:-.035em;text-wrap:balance}
.stm-blog-title--xl{font-size:clamp(30px,3.2vw,46px)}
.stm-blog-sub,.stm-blog__desc{max-width:760px;margin:var(--stm-space-2) 0 0;color:var(--stm-color-muted);font-size:var(--stm-font-size-body);line-height:1.6}
.stm-blog__desc>*:first-child{margin-top:0}.stm-blog__desc>*:last-child{margin-bottom:0}

.stm-blog-grid{position:relative;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;align-items:stretch;overflow:visible}
.stm-blog-grid--cols-1{grid-template-columns:1fr}.stm-blog-grid--cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.stm-blog-grid--cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.stm-blog-grid--list{grid-template-columns:1fr}.stm-blog-grid>*{min-width:0}

.stm-bcard{--stm-bcard-hover-shadow:0 0 6px rgba(0,0,0,.25);--stm-bcard-hover-lift:-1px;--stm-bcard-hover-z:30;--stm-bcard-hover-transition:180ms ease;--stm-bcard-hover-media-filter:brightness(1.02);--stm-bcard-hover-media-scale:1.015;position:relative;z-index:1;isolation:isolate;height:100%;display:flex;flex-direction:column;overflow:visible;border:0;border-radius:var(--stm-bcard-radius,0);background:var(--stm-color-surface);box-shadow:none;transform:translateY(0);transition:transform var(--stm-bcard-hover-transition),z-index 0s,box-shadow var(--stm-bcard-hover-transition)}
.stm-bcard--bordered{border:1px solid var(--stm-color-border)}
.stm-bcard__media{position:relative;display:block;margin:13px 13px 0;text-decoration:none}
.stm-bcard__frame{position:relative;display:block;overflow:hidden;border-radius:var(--stm-bcard-media-radius,10px);background:var(--stm-color-surface-soft)}
.stm-bcard__img,.stm-bcard__ph{width:100%;display:block;aspect-ratio:var(--stm-bcard-image-ratio,16 / 9);object-fit:cover;transition:filter var(--stm-bcard-hover-transition),transform var(--stm-bcard-hover-transition)}
.stm-bcard__ph{background:linear-gradient(135deg,var(--stm-color-primary-soft),var(--stm-color-surface-soft))}
.stm-bcard__catWrap{position:absolute;z-index:2;top:10px;inset-inline-start:10px;display:inline-flex;pointer-events:none}
.stm-bcard__cat{display:inline-flex;align-items:center;min-height:24px;padding:3px 8px;border:1px solid color-mix(in srgb,var(--stm-color-primary) 50%,var(--stm-color-border));border-radius:var(--stm-radius-pill);background:var(--stm-color-primary);color:var(--stm-color-on-primary);font-size:10px;font-weight:var(--stm-weight-bold);line-height:1;text-transform:uppercase;letter-spacing:.02em}
.stm-bcard__body{flex:1 1 auto;display:flex;flex-direction:column;padding:9px 21px 8px}
.stm-bcard__title{margin:0;font-family:var(--stm-font-display);font-size:var(--stm-bcard-title-size,17px);line-height:1.36;letter-spacing:-.016em;text-wrap:pretty}
.stm-bcard__title a{color:var(--stm-color-link);font-weight:var(--stm-weight-semibold);text-decoration:none;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}
.stm-bcard__title a:hover,.stm-bcard__title a:focus-visible{color:var(--stm-color-link-hover);text-decoration:underline;text-decoration-thickness:var(--stm-link-underline-thickness);text-underline-offset:var(--stm-link-underline-offset)}
.stm-bcard__divider{width:100%;height:1px;margin:10px 0 4px;background:var(--stm-bcard-divider,var(--stm-color-border));flex:0 0 1px}
.stm-bcard__actions{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;min-height:24px}
.stm-bcard__actions-left,.stm-bcard__actions-right{display:flex;align-items:center;gap:6px;min-width:0}
.stm-bcard__read-more{display:inline-flex;align-items:center;gap:7px;color:var(--stm-color-primary);font-size:13px;font-weight:var(--stm-weight-bold);line-height:1;text-decoration:none;white-space:nowrap}
.stm-bcard__read-more svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--stm-transition-fast)}
.stm-bcard__read-more:hover{color:var(--stm-color-primary-deep)}
.stm-bcard__read-more:hover svg{transform:translateX(2px)}
.stm-bcard__icon-btn{display:inline-flex;align-items:center;justify-content:center;width:24px;min-width:24px;height:24px;min-height:24px;padding:0;border:0;border-radius:6px;background:transparent;color:var(--stm-color-muted);cursor:pointer;transition:background var(--stm-transition-fast),color var(--stm-transition-fast),transform var(--stm-transition-fast)}
.stm-bcard__icon-btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.stm-bcard__icon-btn:hover,.stm-bcard__icon-btn:focus-visible{background:var(--stm-color-primary-soft);color:var(--stm-color-primary)}
.stm-bcard__icon-btn.is-saved{color:var(--stm-color-primary);background:var(--stm-color-primary-soft)}
.stm-bcard__save .stm-bcard__bookmark-shape{fill:transparent;transition:fill var(--stm-transition-fast)}
.stm-bcard__save.is-saved .stm-bcard__bookmark-shape{fill:currentColor}
.stm-bcard__share.is-copied{color:var(--stm-color-success);background:color-mix(in srgb,var(--stm-color-success) 10%,transparent)}

.stm-blog-grid--list .stm-bcard{display:grid;grid-template-columns:minmax(230px,34%) minmax(0,1fr)}
.stm-blog-grid--list .stm-bcard__media{margin:13px}
.stm-blog-grid--list .stm-bcard__frame,.stm-blog-grid--list .stm-bcard__img,.stm-blog-grid--list .stm-bcard__ph{height:100%;min-height:180px}
.stm-blog-grid--list .stm-bcard__title{font-size:max(18px,var(--stm-bcard-title-size,17px))}

.stm-blog-pagination,.stm-blog__pagination{width:100%;display:flex;justify-content:center;margin:32px 0 6px}
.stm-blog-pagination .nav-links,.stm-blog__pagination .nav-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}
.stm-blog-pagination .page-numbers,.stm-blog__pagination .page-numbers{min-width:42px;min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:var(--stm-space-2) var(--stm-space-3);border:1px solid var(--stm-color-border);border-radius:var(--stm-radius-sm);background:var(--stm-color-surface);color:var(--stm-color-heading);font-size:var(--stm-font-size-ui);font-weight:var(--stm-weight-semibold);text-decoration:none;transition:transform var(--stm-transition-fast),border-color var(--stm-transition-fast),background var(--stm-transition-fast),color var(--stm-transition-fast)}
.stm-blog-pagination .page-numbers.current,.stm-blog__pagination .page-numbers.current{border-color:var(--stm-color-primary);background:var(--stm-color-primary);color:var(--stm-color-on-primary)}
.stm-blog-pagination a.page-numbers:hover,.stm-blog__pagination a.page-numbers:hover{border-color:var(--stm-color-primary);color:var(--stm-color-primary)}
.stm-blog__empty,.stm-blog-empty{padding:var(--stm-space-8);border:1px dashed var(--stm-color-border-strong);border-radius:var(--stm-radius-lg);background:var(--stm-color-surface);color:var(--stm-color-muted);text-align:center}
.stm-search-form-wrap{max-width:560px;margin:20px auto 0}

@media (hover:hover) and (pointer:fine){
  .stm-bcard:hover{z-index:var(--stm-bcard-hover-z);transform:translateY(var(--stm-bcard-hover-lift));box-shadow:var(--stm-bcard-hover-shadow)}
  .stm-bcard:hover .stm-bcard__img{filter:var(--stm-bcard-hover-media-filter);transform:scale(var(--stm-bcard-hover-media-scale))}
  .stm-bcard__icon-btn:hover{transform:translateY(-1px)}
  .stm-blog-pagination a.page-numbers:hover,.stm-blog__pagination a.page-numbers:hover{transform:translateY(-1px)}
}

/* Blog listing density follows both the live Responsive DNA layout and the
 * physical viewport. The physical fallback is intentional: saved desktop
 * column classes on <body> must never hold a phone grid at 2/3/4 columns.
 * Standard tablet = 2, large tablet = 3, mobile = 1. */
html[data-stm-layout="tablet"] .stm-blog-grid:not(.stm-blog-grid--list){grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
@media (min-width:1024px) and (max-width:1199px){
  html[data-stm-layout="tablet"] .stm-blog-grid:not(.stm-blog-grid--list){grid-template-columns:repeat(3,minmax(0,1fr))}
}

html[data-stm-layout="mobile"] .stm-blog,html[data-stm-layout="mobile"] .stm-blog-archive{padding-block:22px 34px}
html[data-stm-layout="mobile"] .stm-blog-grid,html[data-stm-layout="mobile"] .stm-blog-grid--cols-2,html[data-stm-layout="mobile"] .stm-blog-grid--cols-3,html[data-stm-layout="mobile"] .stm-blog-grid--cols-4{grid-template-columns:1fr;gap:0}
html[data-stm-layout="mobile"] .stm-blog-grid--list .stm-bcard{display:flex}
html[data-stm-layout="mobile"] .stm-blog-grid--list .stm-bcard__frame,html[data-stm-layout="mobile"] .stm-blog-grid--list .stm-bcard__img,html[data-stm-layout="mobile"] .stm-blog-grid--list .stm-bcard__ph{min-height:0;height:auto}
html[data-stm-layout="mobile"] .stm-blog-title,html[data-stm-layout="mobile"] .stm-blog__title{font-size:clamp(27px,8vw,38px)}
html[data-stm-layout="mobile"] .stm-blog-pagination .page-numbers,html[data-stm-layout="mobile"] .stm-blog__pagination .page-numbers{min-width:40px;min-height:40px;padding-inline:11px}

/* Mobile archive/card contract: one full-width card per row and the same
 * card geometry/typography as desktop. Specificity deliberately exceeds the
 * saved body-level stm-blog-columns-* rule from the global Theme DNA. */
@media (max-width:767px){
  html body.stm-blog-layout-grid[class*="stm-blog-columns-"] .stm-blog-grid:not(.stm-single-related-grid),
  html body .stm-blog-grid.stm-blog-grid--home,
  html body .stm-blog-grid.stm-blog-grid--archive{
    grid-template-columns:minmax(0,1fr);
    width:100%;
  }
  html body .stm-blog-grid.stm-blog-grid--home>.stm-bcard,
  html body .stm-blog-grid.stm-blog-grid--archive>.stm-bcard,
  html body.stm-blog-layout-grid[class*="stm-blog-columns-"] .stm-blog-grid:not(.stm-single-related-grid)>.stm-bcard{
    width:100%;
    max-width:100%;
  }
  html body .stm-blog-grid--list .stm-bcard{display:flex;flex-direction:column}
  html body .stm-bcard__media{margin:13px 13px 0}
  html body .stm-bcard__body{padding:9px 21px 8px}
  html body .stm-bcard__cat{font-size:10px}
}

@media (prefers-reduced-motion:reduce){.stm-bcard,.stm-bcard__img,.stm-bcard__read-more svg,.stm-blog-pagination .page-numbers,.stm-blog__pagination .page-numbers{transition-duration:.01ms}.stm-bcard:hover{transform:none}}