:root{
  --font:"Exo","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --radius-pill:50px;
  /* default brand = warm (homepage) */
  --primary:#f97316;
  --primary-dark:#ea580c;
  --primary-rgb:249,115,22;
  --primary-dark-rgb:234,88,12;
  --accent:#fb923c;
  --bg-1:#fff7ed;
  --bg-2:#fffbeb;
  --border:#fed7aa;
  --border-light:#fdba74;
  --max:1400px;
  --muted:#6b7280;
}

*{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%}
@media (max-width:768px){html{font-size:14px}}
@media (max-width:480px){html{font-size:12px}}
body{font-family:var(--font);color:#1e293b;background:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font-family:inherit}

/* broken cover fallback (picsum offline) */
.card-image,.article-image-wrapper{background:linear-gradient(135deg,var(--border-light),var(--bg-1))}

/* theme overrides */
.theme-purple{
  --primary:#8b5cf6;
  --primary-dark:#7c3aed;
  --primary-rgb:139,92,246;
  --primary-dark-rgb:124,58,237;
  --accent:#a78bfa;
  --bg-1:#f5f3ff;
  --bg-2:#faf5ff;
  --border:#e9d5ff;
  --border-light:#d8b4fe;
  --max:1200px;
}

/* =========================================================
   HEADER
   ========================================================= */
.header{height:100px;color:var(--primary);background:linear-gradient(135deg,var(--bg-1),var(--bg-2));border-bottom:2px solid var(--border);box-shadow:0 2px 12px rgba(0,0,0,.06);position:sticky;top:0;z-index:1000}
.header-inner{max-width:var(--max);height:100%;margin:auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}
.header .left{display:flex;align-items:center;gap:20px;flex:1;min-width:0}
.site-name{font-size:30px;font-weight:700;color:var(--primary);cursor:pointer;transition:color .3s ease;font-family:var(--font);white-space:nowrap}
.site-name:hover{color:var(--primary-dark)}
.nav-link{display:inline-flex;align-items:center;padding:10px 16px;background:#fff;border:2px solid var(--border);border-radius:12px;color:var(--primary);font-weight:500;font-size:14px;text-decoration:none;font-family:var(--font);transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.nav-link:hover{background:var(--bg-1);border-color:var(--primary);color:var(--primary-dark)}
.nav-link.active{background:var(--primary);color:#fff;border-color:var(--primary)}

.categories-dropdown{position:relative;display:flex}
.categories-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;background:#fff;border:2px solid var(--border);border-radius:12px;color:var(--primary);font-weight:500;font-size:14px;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.06);min-width:120px;justify-content:space-between;font-family:var(--font)}
.categories-btn span{flex:1;text-align:left}
.categories-btn .dropdown-arrow{color:var(--accent);transition:transform .3s ease}
.categories-btn:hover{background:var(--bg-1);border-color:var(--primary);transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.12)}
.dropdown-menu{display:none;position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%);min-width:200px;background:#fff;border:2px solid var(--border);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.12);padding:8px;z-index:1001;max-height:400px;overflow-y:auto}
.dropdown-menu a{display:block;padding:10px 12px;border-radius:8px;color:#334155;font-size:14px;transition:all .2s ease}
.dropdown-menu a:hover{background:var(--bg-1);color:var(--primary)}
.categories-dropdown.open .dropdown-menu{display:block}
.categories-dropdown:hover .dropdown-menu{display:block}
/* invisible bridge across the gap so the menu stays open while moving the cursor down */
.categories-dropdown:after{content:"";position:absolute;left:0;right:0;top:100%;height:10px}
/* mobile/tablet: keep the dropdown menu on-screen (button sits at the left) */
@media (max-width:900px){
  .dropdown-menu{left:0;transform:none;width:min(280px,calc(100vw - 32px))}
}
.categories-dropdown.open .dropdown-arrow{transform:rotate(180deg)}

.pc-header-extra{display:none;align-items:center;gap:16px;margin-left:22px}
.dropdown-title{display:flex;align-items:center;gap:8px;padding:10px;background:var(--bg-2);border:2px solid var(--border);border-radius:12px;line-height:18px;cursor:pointer;color:var(--primary);font-weight:500;font-size:14px;white-space:nowrap;transition:all .3s ease;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.dropdown-title .dropdown-arrow{transition:transform .3s ease;color:var(--accent);opacity:.9;width:16px;height:16px}
.dropdown-title:hover{background:var(--bg-1);border-color:var(--primary);transform:translateY(-1px);color:var(--primary-dark)}
.dropdown{position:relative;cursor:pointer}
.dropdown:hover .dropdown-title .dropdown-arrow{transform:rotate(180deg);opacity:1}
.dropdown-list{overflow:hidden;position:absolute;width:100%;top:calc(100% + 10px);left:50%;transform:translate(-50%,-10px);z-index:999;background:#fff;border:2px solid var(--border);border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.12);padding:8px;opacity:0;visibility:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);min-width:180px}
.dropdown:hover .dropdown-list{visibility:visible;opacity:1;transform:translate(-50%)}
/* invisible bridge across the gap so the menu stays open while moving the cursor down */
.dropdown:after{content:"";position:absolute;left:0;right:0;top:100%;height:12px}
.dropdown-list a{display:block;padding:10px 12px;border-radius:8px;color:#334155;font-size:14px;transition:all .2s ease}
.dropdown-list a:hover{background:var(--bg-1);color:var(--primary)}

.header-right{display:flex;align-items:center}
.search-container{display:none;align-items:center;gap:12px}
.search-input-wrapper{position:relative;width:400px;display:flex;align-items:center;background:#fff;border:2px solid var(--border);border-radius:var(--radius-pill);padding:0 20px 0 50px;box-shadow:0 2px 12px rgba(0,0,0,.06);transition:all .3s cubic-bezier(.4,0,.2,1)}
.search-input-wrapper:hover{border-color:var(--border-light);box-shadow:0 4px 20px rgba(0,0,0,.1);transform:translateY(-1px)}
.search-input-wrapper:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(0,0,0,.05),0 4px 24px rgba(0,0,0,.12);transform:translateY(-2px)}
.search-icon-left{position:absolute;left:18px;color:var(--accent);font-size:18px;pointer-events:none;transition:all .3s ease;z-index:1;width:18px;height:18px}
.search-input-wrapper:focus-within .search-icon-left{color:var(--primary);transform:scale(1.1)}
.search-input{width:100%;height:50px;border:none;outline:none;background:transparent;font-size:15px;color:#000;font-family:var(--font)}
.search-input::placeholder{color:var(--accent);opacity:.7}
.search-button{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border:none;border-radius:var(--radius-pill);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,.2);height:50px;min-width:110px}
.search-button svg{width:18px;height:18px;transition:transform .3s ease}
.search-button:hover{background:linear-gradient(135deg,var(--primary-dark),var(--primary));transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.search-button:hover svg{transform:scale(1.1) rotate(15deg)}

.menu-icon{cursor:pointer;padding:10px;border-radius:8px;background:var(--border);border:1px solid var(--border-light);color:var(--primary);transition:all .3s ease;display:none}
.menu-icon:hover{background:var(--border-light);border-color:var(--primary);transform:scale(1.05)}

@media screen and (min-width:765px){.search-container{display:flex}.pc-header-extra{display:flex}}
@media (max-width:900px){.search-input-wrapper{width:300px;padding:0 16px 0 45px}.search-input-wrapper .search-icon-left{left:15px;font-size:16px}.search-button{padding:12px 18px;min-width:90px}.search-button span{display:none}}
@media (max-width:765px){.header{height:72px}.header-inner{padding:0 16px;gap:16px;height:100%}.site-name{font-size:24px}.pc-header-extra{margin-left:0}}

/* =========================================================
   HOMEPAGE LAYOUT
   ========================================================= */
.unit-home{display:flex;flex-direction:column;gap:60px;padding:40px 20px;max-width:1400px;margin:0 auto}
@media (max-width:768px){.unit-home{gap:40px;padding:20px 10px}}

.hero-article{width:100%}
.featured-card{max-width:1400px;margin:0 auto;cursor:pointer;background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);border:2px solid var(--border);transition:all .4s ease;display:flex;flex-direction:column}
.featured-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.12);border-color:var(--primary)}
.featured-card:hover .card-image img{transform:scale(1.05)}
.featured-card:hover .card-title{color:var(--primary-dark)}
.card-image{width:100%;height:400px;overflow:hidden}
.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card-content{padding:32px 40px;display:flex;flex-direction:column}
.card-meta{margin-bottom:12px}
.card-date{color:var(--primary);font-size:14px;font-weight:600;font-family:var(--font)}
.card-title{font-size:clamp(28px,3vw,36px);font-weight:800;color:#000;line-height:1.3;margin:0 0 16px;font-family:var(--font);transition:color .3s ease;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;word-wrap:break-word;overflow-wrap:break-word}
.card-excerpt{color:#000;font-size:16px;line-height:1.7;opacity:.8;margin:0;font-family:var(--font);display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;word-wrap:break-word;overflow-wrap:break-word}
@media (max-width:1024px){.card-image{height:350px}.card-content{padding:28px 32px}}
@media (max-width:768px){.card-image{height:300px}.card-content{padding:24px}.card-title{font-size:24px}}
@media (max-width:480px){.card-image{height:250px}.card-content{padding:20px}.card-title{font-size:20px}.card-excerpt{font-size:14px}}

.content-stream{width:100%;min-height:450px}
.stream-inner{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1.3fr .7fr;gap:40px}
.section-title{font-size:24px;font-weight:800;color:var(--primary);margin-bottom:24px;position:relative;font-family:var(--font)}
.section-title:after{content:"";position:absolute;bottom:-8px;left:0;width:40px;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:2px}
.articles-list{display:flex;flex-direction:column;gap:20px}
.article-item{cursor:pointer;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 2px 12px rgba(0,0,0,.06);border:2px solid var(--border);transition:all .3s ease;display:flex;gap:20px;padding:20px}
.article-item:hover{transform:translateX(8px);box-shadow:0 8px 24px rgba(0,0,0,.12);border-color:var(--primary)}
.article-item:hover .article-image{transform:scale(1.1)}
.article-item:hover .article-number{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;transform:scale(1.1)}
.article-item:hover .article-title{color:var(--primary-dark)}
.article-image-wrapper{position:relative;flex-shrink:0;width:140px;height:140px;border-radius:16px;overflow:hidden}
.article-image{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.article-number{position:absolute;top:12px;right:12px;width:36px;height:36px;background:rgba(255,255,255,.95);color:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;border:2px solid var(--border);backdrop-filter:blur(10px);transition:all .3s ease;z-index:2;font-family:var(--font)}
.article-content{flex:1;display:flex;flex-direction:column;min-width:0}
.article-header{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.article-date{color:var(--primary);font-size:12px;font-weight:600;font-family:var(--font)}
.article-tag{background:linear-gradient(135deg,var(--border),var(--border-light));color:var(--primary-dark);padding:4px 10px;border-radius:8px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;border:1px solid var(--border-light);font-family:var(--font)}
.article-title{font-size:clamp(18px,1.4vw,22px);font-weight:800;color:#000;line-height:1.4;margin:0 0 10px;font-family:var(--font);transition:color .3s ease;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-wrap:break-word;overflow-wrap:break-word}
.article-desc{color:#000;font-size:14px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;opacity:.75;font-family:var(--font);flex:1;word-wrap:break-word;overflow-wrap:break-word}

.trending-list{display:flex;flex-direction:column;gap:16px}
.trend-item{cursor:pointer;display:flex;align-items:center;gap:16px;padding:16px;background:#fff;border:2px solid var(--border);border-radius:16px;transition:all .2s ease;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.trend-item:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.1);background:linear-gradient(135deg,var(--bg-1),var(--bg-2));border-color:var(--primary)}
.trend-badge{width:40px;height:40px;min-width:40px;flex-shrink:0;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:16px;font-family:var(--font)}
.trend-title{font-size:clamp(16px,1.1vw,18px);font-weight:800;color:#000;line-height:1.3;margin-bottom:4px;font-family:var(--font)}
.trend-meta{display:flex;gap:12px;font-size:12px}
.trend-date{color:var(--primary);font-family:var(--font)}
.trend-hot{color:#f59e0b;font-weight:600;font-family:var(--font)}

@media (max-width:1024px){.stream-inner{grid-template-columns:1fr;gap:32px}}
@media (max-width:768px){.article-item{flex-direction:column;padding:16px}.article-image-wrapper{width:100%;height:200px}.article-number{top:16px;right:16px}}
@media (max-width:640px){.article-image-wrapper{height:180px}}

.featured-section{width:100%;padding:40px 0;overflow-x:hidden}
.featured-header{text-align:center;margin-bottom:48px}
.featured-title{font-size:clamp(28px,3vw,36px);font-weight:800;color:var(--primary);margin-bottom:12px;font-family:var(--font)}
.featured-subtitle{font-size:16px;color:#000;opacity:.7;font-family:var(--font)}
.guides-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px;max-width:1400px;margin:0 auto}
.guide-card{background:#fff;border-radius:24px;overflow:hidden;cursor:pointer;transition:all .3s ease;border:2px solid var(--border);box-shadow:0 4px 16px rgba(0,0,0,.08);display:flex;flex-direction:column}
.guide-card:hover{transform:translateY(-8px);box-shadow:0 12px 32px rgba(0,0,0,.12);border-color:var(--primary)}
.guide-card:hover .card-image{transform:scale(1.1)}
.guide-card:hover .card-title{color:var(--primary-dark)}
.guide-card:hover .read-more{gap:12px;color:var(--primary-dark)}
.guide-card:hover .read-more svg{transform:translateX(4px)}
.card-image-wrapper{position:relative;width:100%;height:240px;overflow:hidden}
.card-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.25));opacity:0;transition:opacity .3s ease;display:flex;align-items:flex-start;justify-content:flex-end;padding:20px}
.guide-card:hover .card-overlay{opacity:1}
.card-badge{display:flex;align-items:center;gap:6px;background:rgba(255,255,255,.95);color:var(--primary);padding:8px 14px;border-radius:20px;font-size:12px;font-weight:700;backdrop-filter:blur(10px);box-shadow:0 4px 12px rgba(0,0,0,.15);font-family:var(--font)}
.card-badge svg{width:16px;height:16px}
.card-content{padding:24px;flex:1;display:flex;flex-direction:column}
.card-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:12px}
.card-category{color:var(--primary-dark);background:var(--border);padding:4px 8px;border-radius:4px;font-weight:600;font-family:var(--font)}
.read-more{display:flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:all .3s ease;font-family:var(--font);margin-top:auto}
.read-more svg{transition:transform .3s ease}
.card-footer{display:flex;align-items:center;justify-content:flex-end;margin-top:auto}
@media (max-width:1024px){.guides-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}}
@media (max-width:768px){.featured-section{padding:20px 0}.featured-header{margin-bottom:32px}.guides-grid{grid-template-columns:1fr;gap:20px}.card-image-wrapper{height:200px}}
@media (max-width:480px){.card-content{padding:20px}.card-image-wrapper{height:180px}}

/* FEATURED self-promo banner (from data.js site.banner) */
.featured-banner{display:block;max-width:1400px;margin:0 auto;position:relative;border-radius:24px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.1);border:2px solid var(--border)}
.featured-banner img{width:100%;height:220px;object-fit:cover}
.featured-banner .fb-tag{position:absolute;top:16px;left:16px;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:6px 12px;border-radius:8px;letter-spacing:.5px;font-family:var(--font)}
.featured-banner .fb-title{position:absolute;left:16px;bottom:16px;right:16px;color:#fff;font-size:clamp(18px,2.4vw,26px);font-weight:800;font-family:var(--font);text-shadow:0 2px 8px rgba(0,0,0,.45)}
@media (max-width:768px){.featured-banner img{height:160px}.featured-banner .fb-title{font-size:18px}}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{background:linear-gradient(135deg,var(--bg-1),var(--bg-2));border-top:2px solid var(--border);padding:32px 20px;margin-top:40px}
.footer-content{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.footer-copyright{color:#000;font-size:14px;margin:0;font-family:var(--font)}
.footer-links{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.footer-link{color:#000;text-decoration:none;font-size:14px;transition:all .3s ease;font-family:var(--font);position:relative}
.footer-link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--primary);transition:width .3s ease}
.footer-link:not(:last-child):before{content:"|";position:absolute;right:-14px;color:rgba(0,0,0,.2);pointer-events:none}
.footer-link:hover{color:var(--primary-dark)}
.footer-link:hover:after{width:100%}
@media (max-width:768px){.footer-content{flex-direction:column;text-align:center;gap:16px}.footer-copyright{order:2}.footer-links{order:1;justify-content:center}}

/* =========================================================
   DETAIL / ARTICLE PAGE
   ========================================================= */
.detail-layout{background:linear-gradient(135deg,var(--bg-1),#fff,var(--bg-1));min-height:100vh}
.detail-main{margin:auto}
.detail-main .main{background-color:#fff;border-radius:12px;padding:0 40px 20px;min-height:calc(100vh - 190px);max-width:var(--max);margin:0 auto}
.breadcrumb{margin:16px 0;padding:12px 0}
.breadcrumb-list{display:flex;align-items:center;list-style:none;margin:0;padding:0;flex-wrap:wrap;gap:8px}
.breadcrumb-list li{list-style:none;margin:0;padding:0;display:flex;align-items:center;font-size:16px}
.breadcrumb-link{color:var(--primary);text-decoration:none;font-size:14px;transition:color .3s ease;font-family:var(--font)}
.breadcrumb-link:hover{color:var(--primary-dark);text-decoration:underline}
.breadcrumb-separator{color:var(--accent)}
.breadcrumb-current{color:#64748b;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font)}

.main-page{display:flex;flex-direction:column;gap:24px}
@media screen and (min-width:765px){.main-page{flex-direction:row;justify-content:space-between;gap:15px}.main-article{flex:1}}
.main-article{min-width:300px;background-color:#fff;padding:30px;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08);border:1px solid var(--border);margin-bottom:20px}
.main-article img{max-width:100%;height:auto;display:block;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.08);margin:20px auto}
.detail-page-title{position:relative;font-size:26px;line-height:1.2;font-weight:800;color:#000;margin:0 0 12px;font-family:var(--font);display:-webkit-box;-webkit-line-clamp:4;line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.article-date{display:flex;align-items:center;gap:8px;margin-bottom:20px;color:var(--accent);font-size:14px;font-family:var(--font)}
.article-date .date-icon{color:#c4b5fd;flex-shrink:0;width:16px;height:16px}
.article-first-paragraph{line-height:1.7;color:#000;margin:20px 0;padding:12px 20px;background-color:var(--bg-2);border-left:4px solid var(--primary);border-radius:4px;text-indent:0!important;font-weight:500;text-align:left;font-size:16px}
.article-content{width:100%;overflow:hidden;margin:0;padding:0 24px}
.article-content p{margin:0 0 12px;line-height:1.6;font-size:16px;color:#000;font-family:var(--font);word-wrap:break-word;overflow-wrap:break-word;text-align:justify}
.article-content p:first-of-type{font-weight:500}
.article-content h3{margin:20px 0 12px;font-size:20px;font-weight:600;color:#000;line-height:1.5;font-family:var(--font)}
.article-content img{margin:20px auto;background:linear-gradient(135deg,var(--border-light),var(--bg-1))}
@media screen and (max-width:768px){
  .detail-main .main{padding:20px 0}
  .detail-main .main p{font-size:16px;text-indent:0;margin:0 0 16px}
  .detail-page-title{font-size:24px;margin-bottom:20px}
  .article-content h3{font-size:18px;margin:20px 0 12px}
  .main-article{padding:6px}
  .article-content{padding:0 12px}
  .article-date{font-size:13px;margin-bottom:16px}
  .article-date .date-icon{width:14px;height:14px}
  .article-first-paragraph{font-size:17px;padding:16px 20px;line-height:1.7;margin-bottom:20px}
  .breadcrumb-current{max-width:200px}
}
@media screen and (max-width:765px){.detail-main .main{margin:0;padding:20px}}

/* floating social share */
.floating-social-share{position:fixed;right:30px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:12px;z-index:999;background-color:#fff;padding:16px 12px;border-radius:16px;box-shadow:0 4px 20px rgba(0,0,0,.12);border:1px solid var(--border);transition:all .3s ease}
.share-label{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.5px;margin-bottom:4px}
.share-button{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;background-color:var(--bg-2);border-radius:12px;cursor:pointer;transition:all .3s ease;color:var(--accent)}
.share-button svg{width:20px;height:20px}
.share-button:hover{background-color:var(--bg-1);color:var(--primary);transform:translate(-4px) scale(1.05);box-shadow:0 4px 12px rgba(0,0,0,.1)}
@media screen and (max-width:768px){
  .floating-social-share{position:static;right:auto;top:auto;bottom:auto;transform:none;flex-direction:row;justify-content:center;width:fit-content;max-width:100%;margin:20px auto 0;padding:10px 14px;border-radius:24px;gap:6px;box-shadow:none;z-index:auto}
  .share-label{margin-bottom:0;margin-right:4px;font-size:11px}
  .share-button{width:36px;height:36px;border-radius:10px}
  .share-button svg{width:18px;height:18px}
  .share-button:hover{transform:translateY(-2px) scale(1.05)}
}

/* floating back-to-home button */
.back-home-fab{position:fixed;right:24px;bottom:24px;z-index:1300;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-weight:600;font-size:14px;font-family:var(--font);border-radius:50px;box-shadow:0 6px 20px rgba(0,0,0,.22);text-decoration:none;transition:all .3s ease}
.back-home-fab svg{width:18px;height:18px;flex-shrink:0}
.back-home-fab:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(0,0,0,.3);color:#fff}
.back-home-fab:hover svg{transform:scale(1.08)}
@media screen and (max-width:768px){.back-home-fab{padding:10px 14px;font-size:13px;right:16px;bottom:88px}.back-home-fab svg{width:16px;height:16px}}

/* recent posts */
.recent-post-container{width:100%;max-width:var(--max);margin:0 auto;padding:40px 20px}
.recent-post-header{text-align:left;margin-bottom:40px;position:relative}
.recent-post-header .section-title{background:linear-gradient(135deg,var(--primary),var(--primary-dark));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.title-underline{width:80px;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:2px;margin-top:8px}
.recent-post-container .articles-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:30px}
.recent-post-container .article-item{display:flex;flex-direction:column;background:rgba(255,255,255,.6);backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(var(--primary-rgb),.2);border-radius:16px;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;box-shadow:0 4px 20px rgba(0,0,0,.1)}
.recent-post-container .article-item:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(var(--primary-rgb),.1),rgba(var(--primary-dark-rgb),.05));opacity:0;transition:opacity .4s ease;z-index:0}
.recent-post-container .article-item:hover{transform:translateY(-8px);border-color:rgba(var(--primary-rgb),.5);box-shadow:0 8px 32px rgba(var(--primary-rgb),.3),0 0 0 1px rgba(var(--primary-rgb),.2)}
.recent-post-container .article-item:hover:before{opacity:1}
.recent-post-container .article-image-wrapper{position:relative;width:100%;height:200px;flex-shrink:0;overflow:hidden}
.recent-post-container .article-image-container{position:relative;width:100%;height:100%;overflow:hidden}
.recent-post-container .article-image{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.4,0,.2,1)}
.recent-post-container .article-item:hover .article-image{transform:scale(1.1)}
.recent-post-container .image-gradient{position:absolute;inset:0;background:linear-gradient(135deg,rgba(var(--primary-rgb),.3) 0%,transparent 100%);opacity:0;transition:opacity .4s ease}
.recent-post-container .article-item:hover .image-gradient{opacity:1}
.recent-post-container .article-number{position:absolute;top:12px;right:12px;width:40px;height:40px;background:rgba(var(--primary-rgb),.9);backdrop-filter:blur(10px);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;font-family:var(--font);box-shadow:0 4px 12px rgba(var(--primary-rgb),.4);z-index:1;transition:all .3s ease}
.recent-post-container .article-item:hover .article-number{transform:scale(1.1) rotate(5deg);background:var(--primary)}
.recent-post-container .article-content{flex:1;padding:24px;display:flex;flex-direction:column;justify-content:space-between;position:relative;z-index:1}
.recent-post-container .article-meta-top{margin-bottom:12px}
.publish-date{font-size:.875rem;font-weight:400;font-family:var(--font)}
.recent-post-container .article-title{font-size:1.25rem;font-weight:600;color:#000;margin:0 0 16px;line-height:1.5;font-family:var(--font);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .3s ease}
.recent-post-container .article-item:hover .article-title{color:var(--primary-dark)}
.recent-post-container .article-footer{display:flex;align-items:center;margin-top:auto}
.recent-post-container .read-more{font-size:.875rem;font-weight:600;transition:all .3s ease;opacity:.8;color:var(--primary);font-family:var(--font)}
.recent-post-container .article-item:hover .read-more{opacity:1;transform:translateX(4px)}
@media (max-width:768px){.recent-post-container{padding:20px 15px}.recent-post-header .section-title{font-size:2rem}.recent-post-container .article-image-wrapper{height:180px}.recent-post-container .article-content{padding:20px}.recent-post-container .article-title{font-size:1.1rem}}
@media (max-width:480px){.recent-post-header .section-title{font-size:1.75rem}.recent-post-container .article-content{padding:16px}.recent-post-container .article-title{font-size:1rem}}

/* =========================================================
   AD SLOTS  (see ad-slot-convention.md)
   ========================================================= */
.adbox{width:300px;height:250px;margin:16px auto;position:relative}
.ad-slot{width:100%;height:100%}
.ad-slot:empty::after{content:"AD";display:grid;place-items:center;width:100%;height:100%;color:#b3b8c0;font-size:13px;font-weight:700;letter-spacing:2px}

/* full-width ad variants keep theme rhythm */
.recent-post-container .adbox{width:100%;max-width:var(--max);margin:24px auto}

/* anchor (fixed bottom bar) */
.ad-anchor{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:1200;max-width:320px;width:calc(100% - 32px)}
.ad-anchor .adbox{width:100%;height:60px;margin:0}
.ad-anchor .ad-close{position:absolute;top:-10px;right:-10px;width:24px;height:24px;border-radius:50%;border:none;background:#334155;color:#fff;cursor:pointer;font-size:14px;line-height:24px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.ad-anchor.hide{display:none}

/* interstitial (fullscreen overlay) */
.ad-interstitial{position:fixed;inset:0;z-index:2000;background:rgba(15,23,42,.6);display:none;align-items:center;justify-content:center}
.ad-interstitial.show{display:flex}
.ad-interstitial .ad-interstitial-inner{position:relative}
.ad-interstitial .adbox{margin:0}
.ad-interstitial .ad-close{position:absolute;top:-12px;right:-12px;width:32px;height:32px;border-radius:50%;border:none;background:#334155;color:#fff;cursor:pointer;font-size:18px;line-height:32px;text-align:center;box-shadow:0 2px 8px rgba(0,0,0,.4)}

/* =========================================================
   STATIC PAGES (about / privacy / terms / contact)
   ========================================================= */
.static-page{max-width:var(--max);margin:0 auto;padding:60px 20px}
.static-page h1{font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--primary);margin-bottom:24px;font-family:var(--font)}
.static-page h2{font-size:22px;font-weight:700;color:#0f172a;margin:32px 0 12px;font-family:var(--font)}
.static-page p{font-size:16px;line-height:1.8;color:#334155;margin-bottom:16px;font-family:var(--font)}
.static-page a{color:var(--primary);text-decoration:underline}

/* =========================================================
   CATEGORY PAGE (categories.html)
   ========================================================= */
.cat-page{max-width:var(--max);margin:0 auto;padding:48px 20px 70px}
.cat-page-title{font-size:clamp(30px,3.6vw,46px);font-weight:800;color:var(--primary);text-align:center;margin:0 0 48px;font-family:var(--font)}
.cat-layout{display:grid;grid-template-columns:1fr 360px;gap:56px;align-items:start}

/* left column: article rows of the selected category */
.cat-articles{display:flex;flex-direction:column}
.cat-article{display:flex;align-items:center;gap:24px;padding:24px 0;border-bottom:2px solid var(--border);transition:all .3s ease}
.cat-article:first-child{padding-top:0}
.cat-article:hover .cat-article-title{color:var(--primary-dark)}
.cat-article-thumb{flex-shrink:0;width:180px;height:112px;border-radius:14px;overflow:hidden;background:linear-gradient(135deg,var(--border-light),var(--bg-1))}
.cat-article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat-article:hover .cat-article-thumb img{transform:scale(1.06)}
.cat-article-title{font-size:clamp(18px,1.7vw,24px);font-weight:800;color:#000;line-height:1.35;margin:0;font-family:var(--font);transition:color .3s ease}
.cat-empty{color:var(--muted);font-family:var(--font);font-size:16px}

/* right column: recent posts sidebar */
.cat-recent{padding:0;max-width:none;margin:0;position:sticky;top:120px}
.cat-recent .recent-post-header{text-align:center;margin-bottom:28px}
.cat-recent .section-title{display:inline-block;text-transform:uppercase;letter-spacing:2px;font-size:16px;margin:0}
.cat-recent .section-title:after{left:50%;transform:translateX(-50%)}
.cat-recent .articles-list{grid-template-columns:1fr;gap:24px;margin-top:0}

@media (max-width:1024px){.cat-layout{grid-template-columns:1fr;gap:48px}.cat-recent{position:static}}
@media (max-width:560px){
  .cat-page{padding:32px 16px 50px}
  .cat-article{flex-direction:column;align-items:stretch;gap:14px;padding:20px 0}
  .cat-article-thumb{width:100%;height:190px}
}