/* ===== AI Agent 技能社区 样式 ===== */
:root {
    --sk-bg: #f5f6fb;
    --sk-card: #ffffff;
    --sk-text: #171923;
    --sk-text-secondary: #4b5163;
    --sk-text-muted: #8a92a6;
    --sk-border: #e9ecf4;
    --sk-border-strong: #d9dff0;
    --sk-brand: #6366f1;
    --sk-brand-2: #8b5cf6;
    --sk-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --sk-brand-soft: #eef0fe;
    --sk-shadow-sm: 0 1px 2px rgba(23, 25, 35, 0.04), 0 2px 8px rgba(23, 25, 35, 0.04);
    --sk-shadow: 0 2px 4px rgba(23, 25, 35, 0.03), 0 8px 24px rgba(23, 25, 35, 0.06);
    --sk-shadow-lg: 0 4px 8px rgba(23, 25, 35, 0.04), 0 18px 42px rgba(99, 102, 241, 0.14);
    --sk-radius: 16px;
    --sk-radius-sm: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--sk-text);
    background: var(--sk-bg);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
a { color: var(--sk-brand); text-decoration: none; }
a:hover { color: var(--sk-brand-2); }
::selection { background: rgba(99, 102, 241, 0.16); }

/* ===== 顶部导航（毛玻璃） ===== */
.sk-topbar {
    height: 60px;
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid rgba(217, 223, 240, 0.7);
    position: sticky;
    top: 0;
    z-index: 100;
}
.sk-topbar-inner {
    max-width: 1160px;
    height: 100%;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sk-logo { display: flex; align-items: center; gap: 11px; color: var(--sk-text); }
.sk-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 7px;
}
.sk-logo-text { font-size: 16px; font-weight: 700; letter-spacing: -0.2px; }
.sk-topbar-nav { display: flex; align-items: center; gap: 26px; }
.sk-topbar-nav a { color: var(--sk-text-secondary); font-size: 14px; font-weight: 500; transition: color 0.15s; }
.sk-topbar-nav a:hover { color: var(--sk-brand); }

/* ===== Hero ===== */
.sk-hero {
    position: relative;
    overflow: hidden;
    padding: 64px 24px 72px;
    background:
        radial-gradient(52% 60% at 12% 8%, rgba(99, 102, 241, 0.13) 0%, rgba(99, 102, 241, 0) 100%),
        radial-gradient(46% 58% at 88% 14%, rgba(139, 92, 246, 0.13) 0%, rgba(139, 92, 246, 0) 100%),
        radial-gradient(40% 50% at 70% 100%, rgba(59, 130, 246, 0.09) 0%, rgba(59, 130, 246, 0) 100%),
        linear-gradient(180deg, #fbfcff 0%, #f6f7fc 100%);
    border-bottom: 1px solid var(--sk-border);
}
.sk-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(23, 25, 35, 0.028) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(23, 25, 35, 0.028) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(60% 70% at 50% 40%, #000 0%, transparent 100%);
    mask-image: radial-gradient(60% 70% at 50% 40%, #000 0%, transparent 100%);
    pointer-events: none;
}
.sk-hero-inner { position: relative; max-width: 1160px; margin: 0 auto; text-align: center; }
.sk-hero-title {
    font-size: 46px;
    font-weight: 800;
    letter-spacing: -1.2px;
    line-height: 1.18;
    background: linear-gradient(135deg, #1a1c2e 0%, #3b3f5c 60%, #5b5f7a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.sk-hero-desc { margin-top: 14px; color: var(--sk-text-secondary); font-size: 18px; font-weight: 400; }
.sk-search {
    margin: 30px auto 0;
    width: 100%;
    display: flex;
    background: var(--sk-card);
    border: 1px solid var(--sk-border-strong);
    border-radius: 16px;
    padding: 6px 6px 6px 20px;
    box-shadow: var(--sk-shadow);
    align-items: center;
    transition: box-shadow 0.2s, border-color 0.2s;
}
.sk-search:focus-within { border-color: var(--sk-brand); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12), var(--sk-shadow); }
.sk-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    color: var(--sk-text);
    background: transparent;
}
.sk-search-input::placeholder { color: var(--sk-text-muted); }
.sk-search-btn {
    border: none;
    cursor: pointer;
    background: var(--sk-gradient);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 11px 24px;
    border-radius: 11px;
    transition: transform 0.12s, box-shadow 0.12s, filter 0.12s;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.34);
}
.sk-search-btn:hover { filter: brightness(1.05); transform: translateY(-1px); }
.sk-search-btn:active { transform: translateY(0); }

/* ===== 容器 ===== */
.sk-container { max-width: 1160px; margin: 0 auto; padding: 28px; }

/* ===== 分类 ===== */
.sk-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}
.sk-cat {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    background: var(--sk-card);
    border: 1px solid var(--sk-border-strong);
    border-radius: 999px;
    color: var(--sk-text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.16s;
    box-shadow: var(--sk-shadow-sm);
}
.sk-cat .count {
    min-width: 20px; height: 20px;
    padding: 0 6px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--sk-text-muted);
    font-size: 12px;
    background: #f1f3f9;
    border-radius: 999px;
    transition: all 0.16s;
}
.sk-cat:hover { border-color: var(--sk-brand); color: var(--sk-brand); transform: translateY(-1px); }
.sk-cat.active {
    background: var(--sk-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.32);
}
.sk-cat.active .count { color: #fff; background: rgba(255, 255, 255, 0.22); }

/* ===== 卡片网格 ===== */
.sk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.sk-card {
    background: var(--sk-card);
    border: 1px solid var(--sk-border);
    border-radius: var(--sk-radius);
    padding: 22px;
    display: flex;
    flex-direction: column;
    color: var(--sk-text);
    box-shadow: var(--sk-shadow-sm);
    transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.sk-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sk-shadow-lg);
    border-color: rgba(99, 102, 241, 0.32);
    color: var(--sk-text);
}
.sk-card-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.sk-card-icon {
    width: 48px; height: 48px;
    border-radius: 13px;
    object-fit: cover;
    flex-shrink: 0;
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.18);
}
.sk-card-icon-text {
    display: flex; align-items: center; justify-content: center;
    background: var(--sk-gradient);
    color: #fff;
    font-size: 21px;
    font-weight: 800;
}
.sk-card-namebox { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; justify-content: space-between; }
.sk-badge {
    display: inline-block;
    padding: 4px 11px;
    background: var(--sk-brand-soft);
    color: var(--sk-brand);
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    align-self: flex-start;
}
.sk-card-title { font-size: 16px; font-weight: 700; margin: 0; letter-spacing: -0.2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sk-card-intro {
    font-size: 13.5px;
    color: var(--sk-text-secondary);
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sk-card-foot {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--sk-border);
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12.5px;
    color: var(--sk-text-muted);
    font-weight: 500;
}
.sk-card-more { margin-left: auto; color: var(--sk-brand); font-weight: 600; }

/* ===== 空状态 ===== */
.sk-empty { text-align: center; padding: 70px 0; color: var(--sk-text-muted); }
.sk-empty p { font-size: 16px; font-weight: 600; }
.sk-empty .sub { font-size: 13.5px; margin-top: 8px; font-weight: 400; }

/* ===== 分页 ===== */
.sk-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
}
.sk-pagination a, .sk-pagination span {
    display: inline-block;
    min-width: 38px;
    height: 38px;
    line-height: 38px;
    text-align: center;
    padding: 0 10px;
    background: var(--sk-card);
    border: 1px solid var(--sk-border-strong);
    border-radius: 10px;
    color: var(--sk-text-secondary);
    font-size: 13.5px;
    font-weight: 500;
    transition: all 0.15s;
    box-shadow: var(--sk-shadow-sm);
}
.sk-pagination a:hover { border-color: var(--sk-brand); color: var(--sk-brand); transform: translateY(-1px); }
.sk-pagination span.active {
    background: var(--sk-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.3);
}
.sk-pagination span.disabled { color: #c4cad9; cursor: not-allowed; box-shadow: none; }

/* ===== 详情页 ===== */
.sk-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--sk-text-muted); margin-bottom: 18px; }
.sk-breadcrumb .sep { color: #c4cad9; }
.sk-breadcrumb .current { color: var(--sk-text); font-weight: 500; }
.sk-detail {
    background: var(--sk-card);
    border: 1px solid var(--sk-border);
    border-radius: var(--sk-radius);
    padding: 36px;
    box-shadow: var(--sk-shadow);
}
.sk-detail-title-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.sk-detail-title { font-size: 28px; font-weight: 800; letter-spacing: -0.6px; line-height: 1.3; }
.sk-detail-intro { margin-top: 12px; color: var(--sk-text-secondary); font-size: 15.5px; }
.sk-detail-meta {
    margin-top: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--sk-text-muted);
    font-weight: 500;
}
.sk-detail-meta .dot { color: #c4cad9; }
.sk-detail-actions { margin-top: 22px; display: flex; align-items: center; gap: 12px; }
.sk-btn {
    display: inline-block;
    padding: 11px 26px;
    border-radius: 11px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.16s;
}
.sk-btn-primary {
    background: var(--sk-gradient);
    color: #fff;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.34);
}
.sk-btn-primary:hover { filter: brightness(1.06); transform: translateY(-1px); color: #fff; }
.sk-btn-plain { background: var(--sk-card); color: var(--sk-text-secondary); border-color: var(--sk-border-strong); }
.sk-btn-plain:hover { border-color: var(--sk-brand); color: var(--sk-brand); }
.sk-btn-disabled { background: #f1f3f8; color: #aab2c2; cursor: not-allowed; }

.sk-detail-content {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid var(--sk-border);
    font-size: 15px;
    color: var(--sk-text-secondary);
    line-height: 1.9;
}
.sk-detail-content h1, .sk-detail-content h2, .sk-detail-content h3 { color: var(--sk-text); margin: 1.4em 0 0.55em; line-height: 1.4; letter-spacing: -0.3px; }
.sk-detail-content h1 { font-size: 24px; }
.sk-detail-content h2 { font-size: 20px; }
.sk-detail-content h3 { font-size: 16.5px; }
.sk-detail-content p { margin: 0.65em 0; }
.sk-detail-content ul, .sk-detail-content ol { padding-left: 1.7em; margin: 0.65em 0; }
.sk-detail-content li { margin: 0.3em 0; }
.sk-detail-content img { max-width: 100%; border-radius: 12px; margin: 12px 0; box-shadow: var(--sk-shadow-sm); }
.sk-detail-content blockquote {
    border-left: 4px solid var(--sk-brand);
    background: var(--sk-brand-soft);
    padding: 12px 18px;
    margin: 14px 0;
    border-radius: 0 10px 10px 0;
    color: var(--sk-text-secondary);
}
.sk-detail-content pre {
    background: #1a1c2e;
    color: #e7e9f5;
    padding: 16px 18px;
    border-radius: 12px;
    overflow-x: auto;
    font-size: 13.5px;
    line-height: 1.7;
}
.sk-detail-content code {
    background: #f1f3f9;
    color: #c2410c;
    padding: 2px 6px;
    border-radius: 6px;
    font-family: "SF Mono", "JetBrains Mono", Consolas, Monaco, monospace;
    font-size: 13px;
}
.sk-detail-content pre code { background: none; color: inherit; padding: 0; }
.sk-detail-content a { color: var(--sk-brand); }
.sk-detail-content table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 14px; }
.sk-detail-content table th, .sk-detail-content table td { border: 1px solid var(--sk-border); padding: 9px 14px; text-align: left; }
.sk-detail-content table th { background: #f6f7fb; font-weight: 600; }

/* ===== 技能包使用说明 ===== */
.sk-usage {
    margin-top: 30px;
    padding-top: 26px;
    border-top: 1px solid var(--sk-border);
}
.sk-usage-title { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; }
.sk-usage-sub { margin-top: 4px; color: var(--sk-text-muted); font-size: 13.5px; }
.sk-usage-grid {
    margin-top: 16px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}
.sk-usage-card {
    background: #f8f9fd;
    border: 1px solid var(--sk-border);
    border-radius: 14px;
    padding: 18px;
}
.sk-usage-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.sk-usage-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 11px;
    border-radius: 8px;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
}
.sk-usage-mark.codex { background: linear-gradient(135deg, #10a37f, #34d399); }
.sk-usage-mark.loomy { background: linear-gradient(135deg, #2563eb, #38bdf8); }
.sk-usage-mark.trae { background: linear-gradient(135deg, #f43f5e, #f97316); }
.sk-usage-name { font-weight: 700; font-size: 15px; }
.sk-usage-steps { padding-left: 1.4em; margin: 0; }
.sk-usage-steps li { margin: 8px 0; font-size: 13.5px; color: var(--sk-text-secondary); line-height: 1.7; }
.sk-usage-steps code {
    background: #fff;
    border: 1px solid var(--sk-border);
    color: #c2410c;
    padding: 1px 6px;
    border-radius: 6px;
    font-family: "SF Mono", "JetBrains Mono", Consolas, Monaco, monospace;
    font-size: 12px;
}

.sk-detail-pager {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--sk-border);
    display: flex;
    justify-content: space-between;
    gap: 12px;
}
.sk-pager-item {
    font-size: 13.5px;
    color: var(--sk-text-secondary);
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--sk-border);
    transition: all 0.15s;
}
.sk-pager-item:hover { border-color: var(--sk-brand); color: var(--sk-brand); }
.sk-pager-item.disabled { color: #c4cad9; border-color: transparent; }

/* ===== 页脚 ===== */
.sk-footer {
    border-top: 1px solid var(--sk-border);
    background: var(--sk-card);
    margin-top: 36px;
    padding: 24px;
    text-align: center;
    color: var(--sk-text-muted);
    font-size: 13px;
}
.sk-footer a { font-weight: 500; }

/* ===== 响应式 ===== */
@media (max-width: 900px) {
    .sk-grid { grid-template-columns: repeat(2, 1fr); }
    .sk-hero-title { font-size: 32px; }
}
@media (max-width: 620px) {
    .sk-grid { grid-template-columns: 1fr; }
    .sk-hero-title { font-size: 27px; }
    .sk-detail { padding: 22px; }
    .sk-detail-pager { flex-direction: column; }
    .sk-topbar-nav a:first-child { display: none; }
}