.iv-page{font-family:var(--font);background:var(--page-bg);min-height:100vh;padding-top:var(--total-header-h)}.iv-controls{background:var(--card-bg);border-bottom:1px solid var(--ds-border);position:-webkit-sticky;position:sticky;top:var(--total-header-h);z-index:100;transition:background .28s ease,border-color .28s ease}.iv-controls-inner{max-width:1280px;margin:0 auto;padding:var(--controls-py) var(--controls-px);display:flex}.iv-controls-inner,.iv-title-block{align-items:center;grid-gap:10px;gap:10px}.iv-title-block{display:flex!important;flex-direction:row!important}.iv-title-icon{width:32px;height:32px;border-radius:8px;background:var(--mt-green-dim);border:1px solid var(--mt-green-border);display:flex;align-items:center;justify-content:center;color:var(--mt-green);font-size:var(--fs-base);flex-shrink:0}.iv-title{font-size:var(--fs-lg);font-weight:var(--fw-bold);color:var(--t1)}.iv-back-btn{display:inline-flex;align-items:center;grid-gap:6px;gap:6px;padding:4px 10px;border-radius:6px;border:1.5px solid var(--ds-border);background:var(--card-bg);color:var(--t2);font-family:var(--font);font-size:var(--fs-base);font-weight:var(--fw-semibold);text-decoration:none!important;white-space:nowrap;flex-shrink:0;transition:background .15s,border-color .15s,color .15s}.iv-back-btn:hover{background:var(--ds-border-s);border-color:var(--mt-green-border);color:var(--mt-green)}.iv-breadcrumb-title{font-size:var(--fs-base);color:var(--t3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.iv-content{max-width:1280px;margin:0 auto;padding:var(--content-pt) var(--content-px) var(--content-pb)}.iv-empty{padding:48px;text-align:center;color:var(--t3);font-size:var(--fs-base)}.iv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));grid-gap:20px;gap:20px}.iv-article-card{display:flex;flex-direction:column;background:var(--card-bg);border:1px solid var(--ds-border);border-radius:var(--card-radius);overflow:hidden;text-decoration:none!important;color:inherit;transition:border-color .18s,box-shadow .18s,background .28s ease}.iv-article-card:hover{border-color:var(--mt-green-border);box-shadow:0 4px 16px rgba(0,0,0,.08)}[data-theme=dark] .iv-article-card:hover{box-shadow:0 4px 16px rgba(0,0,0,.3)}.iv-card-img-wrap{aspect-ratio:16/9;overflow:hidden;background:var(--ds-border-s)}.iv-card-img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .24s ease}.iv-article-card:hover .iv-card-img{transform:scale(1.03)}.iv-card-body{display:flex;flex-direction:column;padding:16px 20px 20px;flex:1 1}.iv-card-title{font-size:var(--fs-base);font-weight:var(--fw-bold);color:var(--t1);margin:0 0 8px;line-height:1.4}.iv-card-excerpt{font-size:var(--fs-base);color:var(--t3);line-height:1.6;margin:0 0 14px;flex:1 1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.iv-read-more{font-size:var(--fs-sm);font-weight:var(--fw-semibold);color:var(--mt-green);display:inline-flex;align-items:center;grid-gap:5px;gap:5px;margin-top:auto}.iv-detail-card{background:var(--card-bg);border:1px solid var(--ds-border);border-radius:var(--card-radius);overflow:hidden;transition:background .28s ease,border-color .28s ease}.iv-detail-header{display:grid;grid-template-columns:360px 1fr;grid-gap:32px;gap:32px;padding:28px 32px;align-items:start;border-bottom:1px solid var(--ds-border)}.iv-detail-img-wrap{border-radius:8px;overflow:hidden;aspect-ratio:4/3;background:var(--ds-border-s)}.iv-detail-img{width:100%;height:100%;object-fit:cover;display:block}.iv-detail-title{font-size:var(--fs-2xl);font-weight:var(--fw-bold);color:var(--t1);margin:0 0 16px;line-height:1.35}.iv-detail-summary{font-size:var(--fs-base);color:var(--t2);line-height:1.7}.iv-detail-summary p{margin-bottom:8px}.iv-detail-body{padding:28px 32px;font-size:var(--fs-base);color:var(--t2);line-height:1.8}.iv-detail-body h1,.iv-detail-body h2,.iv-detail-body h3,.iv-detail-body h4{color:var(--t1);margin:20px 0 10px;font-family:var(--font)}.iv-detail-body h2{font-size:var(--fs-xl)}.iv-detail-body h3{font-size:var(--fs-lg)}.iv-detail-body h4{font-size:var(--fs-md)}.iv-detail-body p{margin-bottom:12px;color:var(--t2);font-size:var(--fs-base)}.iv-detail-body a{color:var(--mt-green)}.iv-detail-body ol,.iv-detail-body ul{padding-left:20px;margin-bottom:12px}.iv-detail-body li{font-size:var(--fs-base);color:var(--t2);margin-bottom:6px}.iv-detail-body img{max-width:100%;border-radius:8px;margin:12px 0}.iv-detail-body table{font-size:var(--fs-base);border-collapse:collapse;width:100%}.iv-detail-body table td,.iv-detail-body table th{padding:8px 12px;border:1px solid var(--ds-border);color:var(--t2)}.iv-detail-body table th{background:var(--card-head-bg);color:var(--t1)}.iv-detail-body b,.iv-detail-body strong{color:var(--t1)}@media (max-width:900px){.iv-detail-header{grid-template-columns:1fr;grid-gap:20px;gap:20px;padding:20px}.iv-detail-img-wrap{aspect-ratio:16/9}.iv-detail-body{padding:20px}}@media (max-width:640px){.iv-controls-inner{padding:10px 16px}.iv-content{padding:16px 16px 60px}.iv-grid{grid-template-columns:1fr}}.pc-controls{background:var(--card-bg);border-bottom:1px solid var(--ds-border);position:-webkit-sticky;position:sticky;top:var(--total-header-h);z-index:100;transition:background .28s ease,border-color .28s ease}.pc-inner{max-width:1280px;margin:0 auto;padding:var(--controls-py) var(--controls-px);flex-direction:row;grid-gap:12px;gap:12px}.pc-inner,.pc-title-block{display:flex;align-items:center}.pc-title-block{flex-direction:row;grid-gap:10px;gap:10px;flex:1 1;min-width:0}.pc-icon{width:32px;height:32px;border-radius:8px;background:var(--mt-green-dim);border:1px solid var(--mt-green-border);display:flex;flex-direction:row;align-items:center;justify-content:center;color:var(--mt-green);font-size:var(--fs-base);flex-shrink:0}.pc-title{font-size:var(--fs-lg);font-weight:var(--fw-bold);color:var(--t1);line-height:1;white-space:nowrap}.pc-right{display:flex;flex-direction:row;align-items:center;grid-gap:8px;gap:8px;flex-shrink:0}@media (max-width:640px){.pc-inner{padding:10px 16px;flex-wrap:wrap}}