@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap";.hero-section{padding:80px 40px;text-align:center;background-color:var(--color-on-primary);border:2px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:60px;position:relative}.hero-badge{display:inline-flex;align-items:center;gap:8px;background-color:var(--color-background);color:var(--color-primary);padding:6px 16px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;margin-bottom:24px;border:1px solid var(--color-border)}.hero-title{font-size:3.5rem;font-weight:800;margin-bottom:24px;color:var(--text-main);line-height:1.1;letter-spacing:-.02em}.hero-title span{color:var(--color-primary)}.hero-desc{font-size:1.125rem;color:var(--text-muted);margin:0 auto 40px;max-width:640px;line-height:1.6}.hero-actions{display:flex;gap:16px;justify-content:center}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:80px}.feature-card{padding:32px;background-color:var(--color-on-primary);border:2px solid var(--color-border);border-radius:var(--radius-lg);transition:var(--transition-base)}.feature-card:hover{border-color:var(--color-primary);transform:translateY(-4px)}.feature-icon-wrapper{width:64px;height:64px;background-color:var(--color-background);color:var(--color-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;margin-bottom:24px}.feature-card h3{margin-bottom:12px;font-size:1.25rem;font-weight:700}.feature-card p{color:var(--text-muted);font-size:.9375rem;line-height:1.6}.stats-bar{display:flex;justify-content:center;gap:64px;margin-bottom:80px;padding:32px;background-color:var(--color-on-primary);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.stat-item{text-align:center}.stat-icon{color:var(--color-primary);margin-bottom:8px}.stat-count{font-size:1.5rem;font-weight:800;color:var(--text-main)}.stat-label{color:var(--text-muted);font-size:.875rem;font-weight:500}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius-md);font-size:1rem;font-weight:600;text-decoration:none}.btn-lg{padding:16px 36px;font-size:1.125rem}.btn-outline{background-color:transparent;border:2px solid var(--color-border);color:var(--text-main)}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary)}@media (max-width: 1024px){.hero-title{font-size:2.5rem}.features-grid{grid-template-columns:1fr}.stats-bar{flex-wrap:wrap;gap:32px}}.navbar{height:var(--navbar-height);background-color:var(--color-on-primary);border-bottom:2px solid var(--color-border);display:flex;align-items:stretch;position:sticky;top:0;z-index:1000;box-shadow:0 4px 6px -1px #0000000d}.navbar .container.nav-container{max-width:min(1440px,100% - 2.5rem);padding-left:clamp(1rem,2.5vw,2rem);padding-right:clamp(1rem,2.5vw,2rem)}.nav-container{flex:1;display:flex;justify-content:space-between;align-items:center;width:100%}.nav-logo{display:flex;align-items:center;gap:14px;font-size:1.35rem;font-weight:800;color:var(--color-primary);letter-spacing:-.02em;flex-shrink:0;line-height:1.2}.nav-logo-icon{background-color:var(--color-primary);width:52px;height:52px;padding:0;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.nav-links{display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-end;gap:32px;flex:1;min-width:0;margin-left:28px}.nav-link-cluster{display:flex;flex-wrap:nowrap;align-items:center;gap:6px;min-width:0}.nav-actions{display:flex;flex-wrap:nowrap;align-items:center;gap:14px;flex-shrink:0}.nav-link{display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box;min-height:48px;padding:0 14px;font-weight:600;color:var(--text-main);font-size:1rem;line-height:1.2;border-radius:var(--radius-md);transition:background-color var(--transition-fast),color var(--transition-fast)}.nav-link:hover{color:var(--color-primary);background-color:#0d948814}.nav-cta-login{flex-shrink:0;min-height:48px;padding:0 26px;font-size:1rem}.nav-search-wrapper{position:relative;display:inline-flex;align-items:center;flex-shrink:0}.nav-search-input{box-sizing:border-box;width:260px;max-width:min(260px,30vw);height:48px;padding:0 16px 0 42px;border-radius:9999px;border:1px solid var(--color-border);background-color:var(--color-background);outline:none;font-size:.9375rem;font-weight:600;font-family:inherit;line-height:1.2;transition:var(--transition-fast)}.nav-search-input:hover{border-color:var(--color-primary);background-color:#fff}.nav-search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.tabs-container{display:flex;gap:8px;margin-bottom:32px;background-color:var(--color-muted);padding:6px;border-radius:var(--radius-md);width:fit-content;border:1px solid var(--color-border)}.tab-item{padding:10px 24px;border-radius:var(--radius-sm);cursor:pointer;font-size:.9375rem;font-weight:600;color:var(--text-muted);display:flex;align-items:center;gap:8px;transition:var(--transition-fast)}.tab-item.active{background-color:var(--color-on-primary);color:var(--color-primary);box-shadow:0 1px 3px #0000001a}.filter-card{background-color:var(--color-on-primary);padding:32px;border-radius:var(--radius-lg);border:2px solid var(--color-border);margin-bottom:40px}.filter-row{display:flex;gap:24px;margin-bottom:20px;align-items:center}.filter-label{font-weight:700;min-width:60px;flex-shrink:0;color:var(--text-main);font-size:.9375rem}.filter-tags{display:flex;gap:8px;flex-wrap:wrap}.filter-tag{padding:6px 16px;border-radius:var(--radius-sm);cursor:pointer;font-size:.875rem;font-weight:500;color:var(--text-main);border:1px solid transparent;transition:var(--transition-fast)}.filter-tag:hover{background-color:var(--color-background);color:var(--color-primary)}.filter-tag.active{background-color:var(--color-primary);color:var(--color-on-primary)}.filter-row-category{align-items:flex-start}.filter-row-category .filter-label{padding-top:6px}.category-filter-tags{flex:1;min-width:0}.category-expand-btn{display:inline-flex;align-items:center;gap:4px;padding:6px 16px;font-family:inherit;font-size:.875rem;font-weight:500;line-height:1.4;color:var(--text-main);background:transparent;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast)}.category-expand-btn:hover{background-color:var(--color-background);color:var(--color-primary)}.category-expand-btn-label{white-space:nowrap}.category-expand-btn-badge{font-size:.75rem;font-weight:600;color:var(--color-primary)}.category-expand-btn-icon{display:inline-flex;align-items:center;flex-shrink:0;opacity:.75}.category-expand-btn:hover .category-expand-btn-icon{opacity:1}@media (max-width: 768px){.filter-row-category{flex-direction:column;gap:12px}.filter-row-category .filter-label{padding-top:0}}.filter-expand-wrapper{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease,margin-bottom .3s ease;overflow:hidden}.filter-expand-wrapper.expanded{grid-template-rows:1fr;margin-bottom:20px}.filter-expand-content{min-height:0;transition:opacity .2s ease;opacity:0}.filter-expand-wrapper.expanded .filter-expand-content{opacity:1}.filter-row{display:flex;gap:24px;align-items:center;margin-bottom:20px}.filter-row:last-child{margin-bottom:0}.resource-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;padding-bottom:60px}.resource-card{background-color:var(--color-on-primary);border-radius:var(--radius-lg);overflow:hidden;border:2px solid var(--color-border);transition:var(--transition-base);cursor:pointer}.resource-card:hover{border-color:var(--color-primary);transform:translateY(-4px)}.resource-image-box{position:relative;height:180px;width:100%;overflow:hidden;background-color:#000;display:block}.resource-image-box img{width:100%;height:100%;object-fit:cover;object-position:center center;display:block;border:none}.video-cover{background-color:#1a1a1a}.resource-badge{position:absolute;top:12px;right:12px;background-color:#000000b3;color:#fff;padding:4px 10px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.resource-info{padding:20px}.resource-info h3{margin:0 0 12px;font-size:1rem;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;height:3rem}.type-tag-inline{display:inline-block;font-size:.6875rem;padding:0 5px;border-radius:3px;margin-right:8px;font-weight:900;vertical-align:2px}.type-tag-inline.video{background-color:#fee2e2;color:#ef4444;border:1px solid #fecaca}.type-tag-inline.bundle{background-color:#e0f2fe;color:var(--color-primary);border:1px solid #bae6fd}.type-tag-inline.topic{background-color:#fef3c7;color:#d97706;border:1px solid #fde68a}.resource-title{height:3rem;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.resource-meta{display:flex;justify-content:space-between;align-items:center;color:var(--text-muted);font-size:.8125rem;font-weight:600}.resource-stats{display:flex;align-items:center;gap:6px}.resource-action{color:var(--color-accent);text-transform:uppercase;letter-spacing:.05em}.kt-scope-notice{display:flex;gap:14px;align-items:flex-start;margin-top:20px;padding:16px 20px;border-radius:var(--radius-md);border:1px solid var(--color-border);background-color:var(--color-on-primary)}.kt-scope-notice--info{border-color:#22c55e59;background:linear-gradient(135deg,#f0fdf4,#fff)}.kt-scope-notice--muted{border-color:var(--color-border);background-color:var(--color-background)}.kt-scope-notice--empty{border-color:#fbbf2473;background:linear-gradient(135deg,#fffbeb,#fff)}.kt-scope-notice-icon{flex-shrink:0;width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.kt-scope-notice--info .kt-scope-notice-icon{color:#16a34a;background-color:#dcfce7}.kt-scope-notice--muted .kt-scope-notice-icon{color:var(--text-muted);background-color:var(--color-background)}.kt-scope-notice--empty .kt-scope-notice-icon{color:#d97706;background-color:#fef3c7}.kt-scope-notice-primary{margin:0 0 6px;font-size:.9375rem;font-weight:700;color:var(--text-main);line-height:1.5}.kt-scope-notice-secondary{margin:0;font-size:.8125rem;color:var(--text-muted);line-height:1.6}.kt-layout{display:grid;grid-template-columns:320px 1fr;gap:32px;margin-top:32px;align-items:start}.kt-sidebar{background-color:var(--color-on-primary);border:2px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;position:sticky;top:96px;max-height:calc(100vh - 128px);display:flex;flex-direction:column}.kt-sidebar-header{padding:12px 16px;background-color:var(--color-background);border-bottom:2px solid var(--color-border);display:flex;align-items:center;gap:10px;color:var(--text-muted)}.kt-search-input{flex:1;border:none;background:transparent;font-size:.875rem;color:var(--text-main);outline:none}.kt-search-input::placeholder{color:var(--text-muted)}.kt-ref-badge{margin-left:auto;flex-shrink:0;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background-color:var(--color-primary);color:#fff;font-size:.6875rem;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.kt-res-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.8125rem;color:var(--text-muted)}.kt-res-action{flex-shrink:0;display:inline-flex;align-items:center;gap:6px}.kt-tree-container{padding:12px 0;overflow-y:auto;flex-grow:1}.kt-node{display:flex;align-items:center;gap:8px;padding:10px 16px;cursor:pointer;transition:var(--transition-fast);border-left:3px solid transparent;-webkit-user-select:none;user-select:none}.kt-node:hover{background-color:var(--color-background);color:var(--color-primary)}.kt-node.active{background-color:var(--color-background);color:var(--color-primary);border-left-color:var(--color-primary);font-weight:700}.kt-node-icon{display:flex;align-items:center;color:var(--text-muted)}.kt-node.active .kt-node-icon{color:var(--color-primary)}.kt-node-title{font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kt-main{background-color:var(--color-on-primary);border:2px solid var(--color-border);border-radius:var(--radius-lg);padding:40px;min-height:500px}.kt-main-header{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--color-border)}.kt-breadcrumb{font-size:.8125rem;font-weight:600;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.kt-active-title{font-size:1.75rem;font-weight:800;color:var(--text-main)}.kt-resource-list{display:flex;flex-direction:column;gap:16px}.kt-resource-card{display:flex;align-items:center;gap:20px;padding:20px;border:1px solid var(--color-border);border-radius:var(--radius-md);transition:var(--transition-base)}.kt-resource-card:hover{border-color:var(--color-primary);background-color:var(--color-background)}.kt-res-icon{width:48px;height:48px;background-color:var(--color-background);color:var(--color-primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center}.kt-res-content{flex-grow:1}.kt-res-content h4{margin:0 0 4px;font-size:1rem;font-weight:700}.resource-meta{display:flex;justify-content:space-between;align-items:center}.meta-left{display:flex;align-items:center;gap:12px}.resource-stats,.resource-items{display:flex;align-items:center;gap:4px;font-size:.8125rem;color:var(--text-muted);font-weight:600}.kt-res-meta .dot{font-weight:900}.kt-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 0;color:var(--text-muted);text-align:center}.kt-empty-icon{margin-bottom:24px;opacity:.3}.kt-empty p{font-size:1.125rem;font-weight:700;margin-bottom:8px;color:var(--text-main)}.kt-empty span{font-size:.875rem}@media (max-width: 1024px){.kt-layout{grid-template-columns:1fr}.kt-sidebar{position:static;max-height:400px}}.search-bar-wrapper{max-width:600px;margin-bottom:32px}.search-input-container{position:relative;display:flex;align-items:center;gap:12px}.search-icon{position:absolute;left:16px;color:var(--text-muted)}.search-input{flex-grow:1;padding:14px 16px 14px 48px;border:2px solid var(--color-border);border-radius:var(--radius-md);font-size:1rem;font-family:inherit;outline:none;transition:var(--transition-base);background-color:var(--color-on-primary)}.search-button{padding:0 24px;height:52px;background-color:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:700;cursor:pointer;transition:var(--transition-fast)}.search-button:hover{background-color:var(--color-accent)}.pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:40px;padding-top:32px;border-top:1px solid var(--color-border)}.pagination-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border:2px solid var(--color-border);background-color:var(--color-on-primary);border-radius:var(--radius-md);font-weight:600;color:var(--text-main);cursor:pointer;transition:var(--transition-fast)}.pagination-btn:hover:not(:disabled){border-color:var(--color-primary);color:var(--color-primary)}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.pagination-info{font-size:.9375rem;font-weight:600;color:var(--text-muted)}.loading-opacity{opacity:.6;pointer-events:none;transition:opacity .2s ease}.region-tree{max-height:400px;overflow-y:auto;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px;background:#fff}.region-node{display:flex;align-items:center;padding:6px 8px;cursor:pointer;border-radius:var(--radius-sm);font-size:.875rem;transition:var(--transition-fast);color:var(--text-main);-webkit-user-select:none;user-select:none}.region-node:hover{background-color:var(--color-background)}.region-node.active{background-color:var(--color-primary);color:#fff}.region-node.active .region-node-icon,.region-node.active .region-node-expander{color:#fff}.region-node-expander{width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.region-node-icon{margin:0 6px 0 2px;color:var(--text-muted)}.region-node-label{flex-grow:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.region-node-children{margin-top:2px}.back-btn{display:flex;align-items:center;gap:8px;border:none;background:none;color:var(--text-muted);cursor:pointer;margin-bottom:24px;font-size:1rem;font-weight:600;padding:0;transition:var(--transition-fast)}.back-btn:hover{color:var(--color-primary)}.detail-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start}.detail-main,.detail-sidebar{min-width:0}.detail-main{display:flex;flex-direction:column;gap:24px}.detail-preview{width:100%;border-radius:var(--radius-lg);overflow:hidden;position:relative;z-index:0}.video-placeholder{aspect-ratio:16/9;background-color:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:16px;position:relative}.preview-label{position:absolute;bottom:20px;left:20px;font-size:.875rem;opacity:.8}.bundle-placeholder{height:300px;background:linear-gradient(135deg,#e0f2fe,#bae6fd);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--color-primary)}.placeholder-text{font-size:1.25rem;font-weight:700;color:var(--text-main)}.detail-cover-image{width:100%;min-height:200px;max-height:min(520px,70vh);background-color:var(--color-background);display:flex;align-items:center;justify-content:center;overflow:hidden}.detail-cover-image img{width:100%;height:auto;max-height:min(520px,70vh);object-fit:contain;display:block}.detail-card{background-color:var(--color-on-primary);border-radius:var(--radius-lg);padding:32px;border:2px solid var(--color-border)}.detail-title{font-size:1.75rem;font-weight:800;margin:0 0 16px;color:var(--text-main)}.detail-meta-row{display:flex;gap:24px;color:var(--text-muted);font-size:.875rem;font-weight:600;margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid var(--color-border)}.meta-item{display:flex;align-items:center;gap:8px}.section-title{font-size:1.125rem;font-weight:700;margin:0 0 12px}.detail-description{color:#475569;line-height:1.8;font-size:.9375rem}.markdown-body{word-wrap:break-word}.markdown-body p{margin-bottom:12px}.markdown-body p:last-child{margin-bottom:0}.markdown-body ul,.markdown-body ol{padding-left:20px;margin-bottom:12px}.markdown-body li{margin-bottom:4px}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin-top:16px;margin-bottom:8px;font-weight:600}.markdown-body strong{font-weight:600;color:#1e293b}.markdown-body code{background-color:#f1f5f9;padding:2px 4px;border-radius:4px;font-family:monospace}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.total-badge{font-size:.8125rem;color:var(--text-muted);font-weight:600}.detail-filters{background-color:var(--color-background);padding:20px;border-radius:var(--radius-md);border:1px solid var(--color-border);margin-bottom:24px}.detail-filter-group{display:flex;gap:16px;margin-bottom:16px}.detail-filter-group:last-child{margin-bottom:0}.filter-label-fixed{font-weight:700;font-size:.875rem;color:var(--text-main);width:70px;padding-top:6px}.filter-tree-wrapper{flex:1;display:flex;flex-direction:column;gap:8px}.reset-filter-btn{width:fit-content;font-size:.75rem;color:var(--color-primary);background:none;border:none;padding:0;cursor:pointer;text-decoration:underline}.filter-tags-scroll{flex:1;display:flex;gap:8px;flex-wrap:wrap}.filter-tag-sm{padding:4px 12px;border-radius:20px;background-color:#fff;border:1px solid var(--color-border);font-size:.8125rem;font-weight:600;cursor:pointer;transition:var(--transition-fast)}.filter-tag-sm:hover{border-color:var(--color-primary);color:var(--color-primary)}.filter-tag-sm.active{background-color:var(--color-primary);border-color:var(--color-primary);color:#fff}.content-list{min-height:200px}.content-item{display:flex;justify-content:space-between;align-items:center;padding:16px;border-radius:var(--radius-md);margin-bottom:8px;background-color:#fff;border:1px solid var(--color-border);transition:var(--transition-fast)}.content-item:hover{border-color:var(--color-primary);background-color:#f8fafc}.item-info{display:flex;align-items:center;gap:12px;font-weight:600;color:var(--text-main);min-width:0}.item-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-actions{display:flex;align-items:center;gap:20px;flex-shrink:0}.item-extra-info{display:flex;gap:8px}.info-tag{background-color:var(--color-background);color:var(--text-muted);font-size:.75rem;padding:2px 8px;border-radius:4px;font-weight:700;border:1px solid var(--color-border);white-space:nowrap}.item-size{font-size:.875rem;color:var(--text-muted);min-width:60px;text-align:right}.preview-btn{padding:6px 16px;border-radius:var(--radius-sm);border:1px solid var(--color-primary);background:none;color:var(--color-primary);font-size:.8125rem;font-weight:700;cursor:pointer}.preview-btn:hover{background-color:var(--color-primary);color:#fff}.empty-state{text-align:center;padding:60px 0;color:var(--text-muted)}.empty-state p{margin-top:12px;font-weight:600}.detail-sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px}@media (max-width: 900px){.detail-layout{grid-template-columns:1fr}.detail-sidebar{position:static;top:auto}}.action-card{background-color:var(--color-on-primary);border-radius:var(--radius-lg);padding:24px;border:2px solid var(--color-border)}.price-tag{font-size:1.75rem;font-weight:800;color:var(--color-primary);margin-bottom:4px}.stats-info{font-size:.8125rem;color:var(--text-muted);font-weight:600;margin-bottom:24px}.main-action-btn{width:100%;padding:16px;background-color:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:1.125rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px;transition:var(--transition-base)}.main-action-btn:hover{background-color:var(--color-accent);transform:translateY(-2px)}.secondary-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.sec-btn{padding:10px;border:1px solid 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