@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.loading-skeleton{min-height:100vh;background:#f9fafb;padding-top:0}.skeleton-header{background:var(--brand-color,#2287fb);padding:12px 0;min-height:60px}.skeleton-header,.skeleton-header-inner{display:flex;align-items:center;justify-content:space-between}.skeleton-header-inner{max-width:1200px;width:90%;margin:0 auto}.skeleton-logo{width:100px;height:32px;background:hsla(0,0%,100%,.2);border-radius:6px}.skeleton-nav{display:flex;gap:16px}.skeleton-nav-item{width:80px;height:14px;background:hsla(0,0%,100%,.15);border-radius:4px}.skeleton-hero{background:var(--brand-color,#2287fb);padding:48px 0 56px;display:flex;flex-direction:column;align-items:center}.skeleton-title{width:320px;height:28px;background:hsla(0,0%,100%,.2);border-radius:8px;margin-bottom:12px}.skeleton-subtitle{width:240px;height:16px;background:hsla(0,0%,100%,.12);border-radius:6px;margin-bottom:24px}.skeleton-search{width:90%;max-width:560px;height:40px;background:hsla(0,0%,100%,.9);border-radius:20px}body[data-theme-id="4"] .skeleton-article,body[data-theme-id="4"] .skeleton-cards,body[data-theme-id="4"] .skeleton-header,body[data-theme-id="4"] .skeleton-hero{display:none}body[data-theme-id="4"] .loading-skeleton{display:contents;min-height:unset;background:none}body[data-theme-id="4"] .skeleton-theme4{display:contents}.skeleton-theme4{display:none}.skeleton-theme4-content{grid-column:2;grid-row:1;padding:calc(60px + 32px) 40px 32px;background:#fff;overflow-y:auto;height:100vh}.skeleton-theme4-breadcrumb{display:flex;gap:8px;margin-bottom:20px}.skeleton-theme4-breadcrumb-item{width:60px;height:12px;border-radius:3px}.skeleton-theme4-breadcrumb-item,.skeleton-theme4-category-title{background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite}.skeleton-theme4-category-title{width:30%;height:16px;border-radius:4px;margin-bottom:8px}.skeleton-theme4-article-title{width:55%;height:28px;background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite;border-radius:6px;margin-bottom:16px}.skeleton-theme4-meta{display:flex;gap:20px;margin-bottom:32px}.skeleton-theme4-meta-item{width:120px;height:12px;border-radius:3px}.skeleton-theme4-body-line,.skeleton-theme4-meta-item{background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite}.skeleton-theme4-body-line{height:14px;border-radius:4px;margin-bottom:12px}.skeleton-theme4-body-line:first-child{width:100%}.skeleton-theme4-body-line:nth-child(2){width:95%}.skeleton-theme4-body-line:nth-child(3){width:100%}.skeleton-theme4-body-line:nth-child(4){width:80%}.skeleton-theme4-body-line:nth-child(5){width:92%}.skeleton-theme4-body-line:nth-child(6){width:100%}.skeleton-theme4-body-line:nth-child(7){width:75%}.skeleton-theme4-body-line:nth-child(8){width:88%}.skeleton-theme4-body-line:nth-child(9){width:96%}.skeleton-theme4-body-line:nth-child(10){width:70%}.skeleton-cards{max-width:800px;margin:32px auto 0;padding:0 20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:24px;gap:24px}.skeleton-card{background:#fff;border-radius:12px;padding:28px;box-shadow:0 1px 3px rgba(0,0,0,.06);border:1px solid #f0f0f0}.skeleton-card-title{width:60%;height:20px;background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite;border-radius:6px;margin-bottom:8px}.skeleton-card-meta{width:40%;height:14px;margin-bottom:20px}.skeleton-card-line,.skeleton-card-meta{background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite;border-radius:4px}.skeleton-card-line{width:100%;height:12px;margin-bottom:10px}.skeleton-card-line:nth-child(4){width:80%}.skeleton-card-line:nth-child(5){width:65%}.skeleton-article{max-width:800px;margin:24px auto 0;padding:0 20px}.skeleton-breadcrumb{display:flex;gap:8px;margin-bottom:20px}.skeleton-breadcrumb-item{width:60px;height:12px;background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite;border-radius:3px}.skeleton-breadcrumb-divider{width:8px;height:12px;background:#e0e0e0;border-radius:2px}.skeleton-article-card{background:#fff;border-radius:12px;padding:32px;box-shadow:0 1px 3px rgba(0,0,0,.06);border:1px solid #f0f0f0}.skeleton-article-title{width:70%;height:28px;border-radius:6px;margin-bottom:12px}.skeleton-article-meta-line,.skeleton-article-title{background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite}.skeleton-article-meta-line{width:35%;height:14px;border-radius:4px;margin-bottom:8px}.skeleton-article-body{margin-top:28px}.skeleton-article-body-line{height:14px;background:linear-gradient(90deg,#eee 25%,#f5f5f5 50%,#eee 75%);background-size:800px 100%;animation:shimmer 1.5s linear infinite;border-radius:4px;margin-bottom:12px}.skeleton-article-body-line:first-child{width:100%}.skeleton-article-body-line:nth-child(2){width:95%}.skeleton-article-body-line:nth-child(3){width:100%}.skeleton-article-body-line:nth-child(4){width:85%}.skeleton-article-body-line:nth-child(5){width:92%}.skeleton-article-body-line:nth-child(6){width:100%}.skeleton-article-body-line:nth-child(7){width:78%}.skeleton-article-body-line:nth-child(8){width:88%}