:root {
  --bg: #ffffff; --text:#0d0d0d; --muted:#666; --border:#eaeaea; --chip:#f2f2f2;
  --container: 1100px;
  --accent: #ff4d4f; --link:#ff571e;
}
html[data-theme="dark"] { --bg:#0e0f12; --text:#ffffff; --muted:#a3a3ad; --border:#23252b; --chip:#1a1b20; }
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--link)} .three-container{max-width:var(--container);margin:0 auto;padding:0 16px}

.three-site-header{padding:12px 0;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:5}
.three-header-inner{display:flex;align-items:center;gap:24px;justify-content:space-between;position:relative}
.brand{width:150px;height:48px}
.brand img{width:100%;height:100%;object-fit:contain;display:block}
.three-site-title{font-weight:700;text-decoration:none}
.three-menu{list-style:none;margin:0;padding:0;display:flex;gap:16px;flex-wrap:wrap}
.three-menu a{text-decoration:none;opacity:.95}
.three-menu a:hover{text-decoration:underline;opacity:1}
.three-menu-primary a{padding:6px 10px;border:1px solid var(--border);border-radius:8px;opacity:1;color:var(--link)}
.three-menu-primary a:hover{background:var(--chip);text-decoration:none}
.three-nav{display:flex;align-items:center;gap:16px}
.three-theme-toggle{font-size:12px;padding:6px 10px;border:1px solid var(--border);background:transparent;border-radius:8px;cursor:pointer;color:var(--text)}
.three-menu-toggle{display:none;font-size:12px;padding:6px 10px;border:1px solid var(--border);background:transparent;border-radius:8px;cursor:pointer;color:var(--link)}

/* Dropdown Menu Styles */
.three-menu .menu-item-has-children {
  position: relative;
}

.three-menu .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  min-width: 200px;
  z-index: 10;
  list-style: none;
  margin-top: 8px;
}

.three-menu .sub-menu li {
  margin: 0;
  padding: 0;
}

.three-menu .sub-menu a {
  display: block;
  padding: 6px 10px;
  white-space: nowrap;
  border: none;
  border-radius: 4px;
}

.three-menu .sub-menu a:hover {
  background: var(--chip);
  text-decoration: none;
}

.three-menu-primary .menu-item-has-children > a {
  position: relative;
  padding-right: 24px;
}

.three-menu-primary .menu-item-has-children > a::after {
  content: '▼';
  font-size: 10px;
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.7;
}

@media (min-width: 681px) {
  .three-menu .menu-item-has-children:hover > .sub-menu {
    display: block;
  }
}

@media (max-width: 680px) {
  .three-menu .sub-menu {
    display: none;
    position: static;
    border: none;
    border-top: 1px solid var(--border);
    margin: 8px 0 0;
    padding: 8px 0 0;
    width: 100%;
    min-width: 0;
    border-radius: 0;
  }

  .three-menu .submenu-open > .sub-menu {
    display: block;
  }

  .three-menu-primary .menu-item-has-children > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .three-menu-primary .menu-item-has-children > a::after {
    transform: none; /* Reset transform */
  }
}

.archive-header .archive-title{font-size:20px;font-weight:700;margin:8px 0}
.three-ad{margin:10px auto;text-align:center}
.three-ad-slot{margin:10px auto;text-align:center}
.three-ad-header{border-bottom:1px solid var(--border);padding:8px 0}
.three-ad-top{margin:8px 0 12px}
.three-ad-mid{margin:24px 0}
.three-ad-footer{margin-top:16px}

/* GRID */
.three-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.three-grid.three-grid-related{grid-template-columns:repeat(6,1fr)}
.three-grid.three-grid-related--cols-2{grid-template-columns:repeat(2,1fr)}
.three-grid.three-grid-related--cols-4{grid-template-columns:repeat(4,1fr)}
.three-grid.three-grid-related--cols-5{grid-template-columns:repeat(5,1fr)}
.three-grid.three-grid-related--cols-6{grid-template-columns:repeat(6,1fr)}
@media (max-width:1280px){
  .three-grid.three-grid-related--cols-6{grid-template-columns:repeat(5,1fr)}
  .three-grid.three-grid-related--cols-5{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1200px){.three-grid{grid-template-columns:repeat(4,1fr)}}
@media (max-width:1100px){
  .three-grid.three-grid-related--cols-6,
  .three-grid.three-grid-related--cols-5,
  .three-grid.three-grid-related--cols-4{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:980px){.three-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){
  .three-grid.three-grid-related--cols-6,
  .three-grid.three-grid-related--cols-5,
  .three-grid.three-grid-related--cols-4,
  .three-grid.three-grid-related--cols-2{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .three-grid{grid-template-columns:repeat(2,1fr)}
  .three-grid.three-grid-related{grid-template-columns:repeat(2,1fr)}
}

.three-card{display:block}
.three-card-link{display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--text)}
.three-card-link>.three-card-thumb{order:1}
.three-card-link>.three-card-title{order:2}
.three-card-thumb{position:relative;border:1px solid var(--border);background:var(--chip);border-radius:0;overflow:hidden;margin:0}
.three-thumb-16x9::before{content:"";display:block;padding-top:56.25%}
.three-thumb-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.three-thumb-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);padding:8px;text-align:center}
.three-card-overlay{position:absolute;left:0;right:0;bottom:0;padding:6px 8px;font-size:11px;color:#fff;background:linear-gradient(to top,rgba(0,0,0,.65),rgba(0,0,0,0));display:flex;justify-content:space-between;align-items:center}
.three-card-title{margin:1px 0 0;font-size:13px;line-height:1.35;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--link)}
.three-related-more{display:block;margin:12px auto 0;padding:8px 16px;border:1px solid var(--link);border-radius:8px;background:var(--link);color:#fff;font-size:14px;text-decoration:none;text-align:center;width:max-content}
.three-related-more:hover{opacity:.9}

/* Flexible video embed wrapper */
.three-video-embed{width:100%;max-width:100%;overflow:hidden}
.three-video-embed iframe,
.three-video-embed video,
.three-video-embed embed{display:block;width:100%;height:auto;border:0}
.three-video-embed .secure-iframe-wrapper{margin:0}

.three-video-meta{color:var(--muted);font-size:12px;margin:8px 0;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.three-video-meta a{text-decoration:none}
.three-video-meta header{flex-basis:100%;margin:0 0 4px}
.three-video-meta .entry-title{font-size:20px;font-weight:700;line-height:1.3;color:var(--text);margin:0}
.three-sep{opacity:.6}

@media (max-width:680px){
  .three-nav{display:none;position:absolute;top:100%;right:0;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px;flex-direction:column;align-items:flex-start;gap:12px}
  .three-nav.is-open{display:flex}
  .three-menu-toggle{display:block;margin-left:auto}
  .three-menu-primary{flex-direction:column;gap:12px}
}

/* About panel */
.three-meta-panels{border:1px solid var(--border);border-radius:8px;margin:10px 0;overflow:hidden}
.three-meta-panel{overflow:hidden;transition:max-height .25s ease;max-height:0;background:var(--chip)}
.three-meta-panel .three-panel-inner{padding:12px}
.three-meta-panel.is-open{max-height:1000px}
.collapsible.is-collapsed{-webkit-line-clamp:8;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}
.three-post-tags{list-style:none;margin:10px 0 0;padding:0;display:flex;gap:8px;flex-wrap:wrap}
.three-post-tags li a,.three-post-tags li span.three-post-tag-label{background:var(--bg);border:1px solid var(--border);padding:4px 8px;border-radius:6px;font-size:12px;text-decoration:none;color:var(--text);display:inline-block}

/* Search form */
.three-search-form{display:flex;flex-wrap:wrap}
.three-search-form input[type="search"]{flex:1;padding:8px;border:1px solid var(--border);border-right:0;border-radius:8px 0 0 8px;background:var(--bg);color:var(--text)}
.three-search-form button{padding:8px 12px;border:1px solid var(--border);border-left:0;border-radius:0 8px 8px 0;background:var(--accent);color:#fff;cursor:pointer}
.three-search-form button:hover{opacity:.9}

/* Show search box by default on mobile */
@media (max-width:680px){
  .three-video-meta a[data-target="#panel-search"]{display:none}
  .three-meta-panel.search{max-height:1000px}
}

/* Pagination */
.three-pagination{display:flex;justify-content:center;gap:6px;margin:18px 0}
.three-pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 8px;border:1px solid var(--link);border-radius:6px;text-decoration:none;color:var(--link);background:var(--bg);font-size:13px}
.three-pagination .page-numbers.current{background:var(--accent);color:#fff;border-color:var(--accent)}
.three-pagination .page-numbers:hover{background:var(--chip)}

.three-download-block{margin:18px 0;background:var(--chip);border:1px solid var(--border);padding:12px;border-radius:8px}
.three-section-sep{height:1px;background:var(--border);margin:18px 0}
.three-site-footer{border-top:1px solid var(--border);margin-top:24px;padding:16px 0}
.three-menu-footer{gap:0;font-size:12px}
.three-menu-footer li{display:flex;align-items:center}
.three-menu-footer li+li:before{content:"|";margin:0 6px;color:var(--muted)}
.three-menu-footer a{color:var(--link);text-decoration:none}
.three-copy{color:var(--muted);font-size:12px;margin-top:8px}
.three-footer-boilerplate{margin-top:12px;font-size:13px;color:var(--muted)}
.three-footer-boilerplate p{margin:0 0 8px}
.three-footer-boilerplate p:last-child{margin-bottom:0}

.three-breadcrumbs-container{padding-top:6px}
.three-breadcrumbs{margin:8px 0 14px;font-size:12px;color:var(--muted)}
.three-breadcrumbs-list{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.three-breadcrumb-item{display:flex;align-items:center;gap:8px}
.three-breadcrumb-item+ .three-breadcrumb-item:before{content:"›";color:var(--muted);font-size:11px}
.three-breadcrumbs a{text-decoration:none;color:var(--link)}
.three-breadcrumbs a:hover{text-decoration:underline}
.three-breadcrumb-item.is-current{color:var(--text);font-weight:600}

.three-meta-panels--static .three-meta-panel{max-height:1000px}
.three-meta-panels--static .three-meta-panel+.three-meta-panel{border-top:1px solid var(--border)}

.three-home-section{margin-top:24px}
.three-home-section:first-of-type{margin-top:20px}
.three-section-header{margin-bottom:12px}
.three-section-title{margin:0;font-size:18px;font-weight:700;line-height:1.3;color:var(--text)}
.three-home-intro,.three-home-additional,.three-term-intro,.three-term-additional{margin:16px 0 0;font-size:15px;line-height:1.7}
.three-home-intro p:last-child,.three-home-additional p:last-child,.three-term-intro p:last-child,.three-term-additional p:last-child{margin-bottom:0}
.three-home-additional{margin-top:24px}

.three-grid.three-grid-four{grid-template-columns:repeat(4,1fr)}
.three-grid.three-grid-six{grid-template-columns:repeat(6,1fr)}
@media (max-width:1280px){
  .three-grid.three-grid-six{grid-template-columns:repeat(5,1fr)}
  .three-grid.three-grid-four{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:1100px){
  .three-grid.three-grid-six{grid-template-columns:repeat(4,1fr)}
  .three-grid.three-grid-four{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  .three-grid.three-grid-six{grid-template-columns:repeat(3,1fr)}
  .three-grid.three-grid-four{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .three-grid.three-grid-six{grid-template-columns:repeat(2,1fr)}
  .three-grid.three-grid-four{grid-template-columns:repeat(2,1fr)}
}

.three-card-overlay-hub{flex-direction:column;align-items:flex-start;gap:4px;padding:10px}
.three-card-heading{margin:0;font-size:15px;line-height:1.35;font-weight:600;color:#fff}
.three-card-count{font-size:11px;color:#fff;opacity:.85}

.three-home-tag-index{margin-top:32px}
.three-tag-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 16px;padding:0}
.three-tag-tab{padding:6px 10px;border:1px solid var(--border);border-radius:6px;background:var(--chip);color:var(--text);font-size:13px;line-height:1;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease}
.three-tag-tab.is-active{background:var(--link);border-color:var(--link);color:#fff}
.three-tag-tab[disabled]{opacity:.4;cursor:not-allowed}
.three-tag-panels{border:1px solid var(--border);border-radius:12px;background:var(--chip);padding:16px}
.three-tag-panel{display:none}
.three-tag-panel.is-active{display:block}
.three-tag-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;grid-template-columns:repeat(6,1fr)}
@media (max-width:1280px){.three-tag-list{grid-template-columns:repeat(5,1fr)}}
@media (max-width:1024px){.three-tag-list{grid-template-columns:repeat(4,1fr)}}
@media (max-width:820px){.three-tag-list{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.three-tag-list{grid-template-columns:repeat(1,1fr)}}
.three-tag-item a{display:flex;align-items:center;justify-content:space-between;gap:8px;text-decoration:none;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13px;color:var(--text)}
.three-tag-item a:hover{border-color:var(--link);color:var(--link)}
.three-tag-count{font-size:12px;color:var(--muted)}

.three-sitemap-latest{margin-top:32px}
.three-sitemap-list{margin:0;padding:0;list-style:none;display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.three-sitemap-list{grid-template-columns:repeat(1,1fr)}}
.three-sitemap-item{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--chip);font-size:14px}
.three-sitemap-item a{text-decoration:none;color:var(--link);font-weight:600}
.three-sitemap-item a:hover{text-decoration:underline}
.three-sitemap-trail{color:var(--muted);font-size:13px}
.three-sitemap-sep{color:var(--muted);font-size:12px}

.three-related-search{margin:20px 0}
.three-related-search .three-meta-panel{max-height:1000px;border:1px solid var(--border);border-radius:8px;background:var(--chip)}

.three-post-tags-wrapper{margin-top:18px}
.three-tags-heading{margin:0 0 8px;font-size:16px;font-weight:700;color:var(--text)}

/* Hide duplicate tag blocks outside About */
.single a[rel~="tag"], .single .tags-links, .single .tag-links, .single .tagcloud, .single .entry-footer .tags-links { display:none !important; }
.single .three-meta-panels a[rel~="tag"], .single .three-meta-panels .tags-links, .single .three-meta-panels .tag-links, .single .three-meta-panels .tagcloud { display:initial !important; }
/* Secure Iframe Loader compatibility */
.secure-iframe-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0;
    aspect-ratio: 16 / 9;
    background-color: #000;
    overflow: hidden;
}

.secure-thumb {
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 100%;
    position: relative;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background-color: transparent;
    border: none;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button svg {
    width: 60px;
    height: 60px;
    fill: #FF9900;
}

.secure-iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.secure-iframe-wrapper svg.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    cursor: pointer;
}