:root{
  --seo-primary:#393E46;
  --seo-green:#00C300;
  --seo-bg:#F8F9FA;
  --seo-card:#FFFFFF;
  --seo-text:#2C3E50;
  --seo-light-text:#7F8C8D;
  --seo-border:#E1E8ED;
  --seo-accent:#3498DB;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;background:var(--seo-bg);color:var(--seo-text);line-height:1.7}
a{text-decoration:none;color:inherit;transition:all 0.2s}
img{max-width:100%;height:auto;display:block;border-radius:8px}

/* Header */
.site-header{background:var(--seo-card);border-bottom:1px solid var(--seo-border);position:sticky;top:0;z-index:100;box-shadow:0 2px 4px rgba(0,0,0,0.02)}
.header-inner{max-width:1100px;margin:0 auto;padding:15px 20px;display:flex;justify-content:space-between;align-items:center}
.site-logo{font-size:22px;font-weight:900;color:var(--seo-primary);display:flex;align-items:center;gap:8px}
.site-logo::before{content:"";display:block;width:20px;height:20px;background:var(--seo-green);border-radius:4px}
.main-nav{display:flex;gap:15px;overflow-x:auto}
.main-nav a{font-size:14px;font-weight:700;padding:6px 12px;color:var(--seo-text);border-radius:4px}
.main-nav a:hover, .main-nav a.active{background:rgba(0,195,0,0.1);color:var(--seo-green)}

/* Hero Section */
.hero{background:var(--seo-primary);color:#fff;padding:60px 20px;position:relative}
.hero-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:40px}
.hero-content{flex:1;min-width:300px}
.hero-badge{display:inline-block;background:var(--seo-green);color:#fff;font-size:12px;font-weight:bold;padding:4px 12px;border-radius:12px;margin-bottom:15px;letter-spacing:1px}
.hero h1{font-size:clamp(26px, 4vw, 36px);margin:0 0 15px;line-height:1.4}
.hero p{font-size:16px;color:#BDC3C7;margin:0 0 30px}
.hero-visual{flex:1;min-width:300px}
.hero-visual img{box-shadow:0 15px 30px rgba(0,0,0,0.2);border:2px solid rgba(255,255,255,0.1)}
.action-buttons{display:flex;gap:15px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 28px;border-radius:4px;font-weight:bold;font-size:15px;text-align:center;box-shadow:0 4px 6px rgba(0,0,0,0.1)}
.btn-green{background:var(--seo-green);color:#fff}
.btn-green:hover{background:#00a300}
.btn-light{background:#fff;color:var(--seo-primary)}
.btn-light:hover{background:#f0f0f0}

/* Main Container */
.container{max-width:1100px;margin:40px auto;padding:0 20px}

/* Headings (SEO Focus) */
.h2-title{font-size:26px;color:var(--seo-primary);margin:0 0 25px;padding-left:15px;border-left:5px solid var(--seo-green);line-height:1.2}
.h3-title{font-size:20px;color:var(--seo-primary);margin:0 0 15px;padding-bottom:8px;border-bottom:1px solid var(--seo-border)}

/* Categories */
.category-wrapper{margin-bottom:60px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.cat-box{background:var(--seo-card);border:1px solid var(--seo-border);padding:25px;border-radius:8px;transition:0.3s;position:relative;overflow:hidden}
.cat-box::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--seo-border);transition:0.3s}
.cat-box:hover{box-shadow:0 8px 15px rgba(0,0,0,0.05);transform:translateY(-3px)}
.cat-box:hover::before{background:var(--seo-green)}
.cat-label{font-size:12px;color:var(--seo-accent);font-weight:bold;margin-bottom:10px;display:block}
.cat-box h3{font-size:18px;margin:0 0 10px;color:var(--seo-primary)}
.cat-box p{font-size:14px;color:var(--seo-light-text);margin:0}

/* Article Section */
.article-wrapper{background:var(--seo-card);border:1px solid var(--seo-border);border-radius:8px;padding:40px;margin-bottom:60px;display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.article-text{flex:1;min-width:300px}
.article-text p{margin-bottom:15px}
.article-image{flex:1;min-width:300px}

/* News List */
.news-wrapper{margin-bottom:60px}
.news-list{background:var(--seo-card);border:1px solid var(--seo-border);border-radius:8px}
.news-item{display:flex;align-items:center;padding:15px 20px;border-bottom:1px solid var(--seo-border);gap:15px}
.news-item:last-child{border-bottom:none}
.news-date{color:var(--seo-light-text);font-size:14px;min-width:90px}
.news-badge{background:rgba(52,152,219,0.1);color:var(--seo-accent);font-size:12px;padding:3px 10px;border-radius:20px;font-weight:bold}
.news-text{font-size:15px;color:var(--seo-text);font-weight:500}

/* Columns */
.column-wrapper{margin-bottom:60px}
.col-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.col-box{background:var(--seo-card);border:1px solid var(--seo-border);border-radius:8px;overflow:hidden}
.col-box img{width:100%;height:180px;object-fit:cover;border-radius:0}
.col-body{padding:20px}
.col-body h4{font-size:17px;color:var(--seo-primary);margin:0 0 10px}
.col-body p{font-size:13px;color:var(--seo-light-text);margin:0}

/* Support */
.support-wrapper{background:#E9ECEF;padding:40px;border-radius:8px;text-align:center;margin-bottom:60px}
.support-wrapper h2{font-size:24px;color:var(--seo-primary);margin:0 0 10px}
.support-wrapper p{color:var(--seo-light-text);margin:0 0 25px}
.support-actions{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--seo-primary);color:#BDC3C7;padding:50px 20px 20px;font-size:14px}
.footer-container{max-width:1100px;margin:0 auto}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:25px;margin-bottom:30px}
.footer-nav a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;gap:15px}
.footer-legal{display:flex;gap:15px;flex-wrap:wrap}
.footer-legal a:hover{color:#fff}
@media(max-width:768px){
  .header-inner{flex-direction:column;align-items:flex-start}
  .main-nav{width:100%;padding-top:10px}
  .news-item{flex-direction:column;align-items:flex-start;gap:5px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
}
img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}