/* ========================================
   OpenClaw Hub - 明亮科技风格 redesign
   设计理念: 极光实验室 + 自动化工作流美学
   ======================================== */

/* OpenClaw 专属变量 - 与首页专区同步的绿色主题 */
:root {
    /* 主色调 - 青柠绿 */
    --aurora-purple: #a3e635;
    --aurora-purple-light: #bef264;
    --aurora-purple-dark: #84cc16;
    --electric-cyan: #84cc16;
    --electric-cyan-light: #a3e635;
    --neon-amber: #f59e0b;
    --neon-amber-light: #fbbf24;
    --success-green: #10b981;
    --pro-rose: #f43f5e;

    /* 背景色 - 明亮深空 */
    --void-deep: #0f0f1a;
    --void-mid: #1a1a2e;
    --void-light: #252542;
    --surface: #2d2d4a;
    --surface-elevated: #363660;

    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #b4b4c7;
    --text-tertiary: #8b8ba7;
    --text-dim: #6b6b8a;

    /* 边框与发光 */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(163, 230, 53, 0.4);
    --glow-purple: 0 0 30px rgba(163, 230, 53, 0.4);
    --glow-cyan: 0 0 30px rgba(132, 204, 22, 0.3);
    --glow-amber: 0 0 30px rgba(245, 158, 11, 0.3);

    /* 字体 */
    --font-display: 'JetBrains Mono', 'SF Mono', monospace;
    --font-body: 'Inter', 'Noto Sans SC', sans-serif;

    /* 动画 */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 0.2s;
    --duration-normal: 0.4s;
}

/* ========================================
   导航栏扩展 - 玻璃拟态
   ======================================== */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-divider {
    color: var(--text-tertiary);
    font-weight: 300;
    font-family: var(--font-display);
}

.sub-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-fast);
}

.sub-logo:hover {
    opacity: 0.8;
}

.sub-logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #a3e635, #84cc16);
    border-radius: 10px;
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(163, 230, 53, 0.3);
}

.sub-logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #bef264, #a3e635);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 登录按钮 */
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-login:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--aurora-purple);
    color: var(--aurora-purple-light);
}

/* 用户菜单 */
.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-menu.hidden {
    display: none;
}

.user-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: var(--font-display);
}

.btn-logout {
    padding: 8px 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-logout:hover {
    background: var(--pro-rose);
    border-color: var(--pro-rose);
    color: white;
}

/* ========================================
   OpenClaw Hero Section - 极光渐变
   ======================================== */
.openclaw-hero {
    background: linear-gradient(180deg,
        rgba(163, 230, 53, 0.12) 0%,
        rgba(132, 204, 22, 0.06) 30%,
        transparent 60%);
    position: relative;
}

.openclaw-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--aurora-purple),
        var(--electric-cyan),
        transparent);
    opacity: 0.5;
}

.openclaw-badge {
    background: rgba(163, 230, 53, 0.12) !important;
    border-color: rgba(163, 230, 53, 0.3) !important;
    color: var(--aurora-purple-light) !important;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-purple-dark));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--electric-cyan);
    color: var(--electric-cyan-light);
}

.openclaw-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.openclaw-stats .stat-card {
    background: rgba(45, 45, 74, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px 32px;
    min-width: 140px;
    text-align: center;
    transition: all var(--duration-normal);
    position: relative;
    overflow: hidden;
}

.openclaw-stats .stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--aurora-purple), var(--electric-cyan));
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.openclaw-stats .stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--glow-purple);
}

.openclaw-stats .stat-card:hover::before {
    opacity: 1;
}

.openclaw-stats .stat-card.featured {
    background: linear-gradient(135deg,
        rgba(163, 230, 53, 0.2) 0%,
        rgba(245, 158, 11, 0.1) 100%);
    border-color: var(--neon-amber);
}

.openclaw-stats .stat-card.featured::before {
    opacity: 1;
    background: linear-gradient(90deg, #a3e635, var(--neon-amber));
}

/* ========================================
   筛选标签 - 霓虹效果
   ======================================== */
.filter-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-tab {
    padding: 10px 20px;
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.filter-tab:hover {
    background: var(--surface-elevated);
    color: var(--text-primary);
    border-color: var(--aurora-purple);
}

.filter-tab.active {
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-purple-dark));
    border-color: transparent;
    color: white;
    box-shadow: var(--glow-purple);
}

/* ========================================
   Skill 排名容器 - 玻璃拟态
   ======================================== */
.skill-ranking-container {
    background: rgba(45, 45, 74, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    overflow: hidden;
}

.skill-list {
    display: flex;
    flex-direction: column;
}

.skill-item {
    display: grid;
    grid-template-columns: 60px 1fr auto auto;
    align-items: center;
    gap: 20px;
    padding: 20px 28px;
    border-bottom: 1px solid var(--border-subtle);
    transition: all var(--duration-fast);
    position: relative;
}

.skill-item:last-child {
    border-bottom: none;
}

.skill-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--aurora-purple), var(--electric-cyan));
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.skill-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.skill-item:hover::before {
    opacity: 1;
}

.skill-item.top-3 {
    background: linear-gradient(90deg, rgba(139, 92, 246, 0.08) 0%, transparent 100%);
}

.skill-rank {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 12px;
    flex-shrink: 0;
}

.skill-rank.gold {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: var(--void-deep);
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
}

.skill-rank.silver {
    background: linear-gradient(135deg, #e5e7eb, #9ca3af);
    color: var(--void-deep);
}

.skill-rank.bronze {
    background: linear-gradient(135deg, #fdba74, #ea580c);
    color: var(--void-deep);
}

.skill-rank.normal {
    background: var(--void-light);
    color: var(--text-tertiary);
    border: 1px solid var(--border-subtle);
}

.skill-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.skill-name {
    font-size: 1.15rem;
    font-weight: 600;
}

.skill-badges {
    display: flex;
    gap: 8px;
}

.skill-badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    font-family: var(--font-display);
    text-transform: uppercase;
}

.skill-badge.pro {
    background: linear-gradient(135deg, var(--pro-rose), #e11d48);
    color: white;
}

.skill-badge.new {
    background: linear-gradient(135deg, var(--success-green), #059669);
    color: white;
}

.skill-badge.hot {
    background: linear-gradient(135deg, var(--neon-amber), #d97706);
    color: white;
}

.skill-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.skill-meta {
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-family: var(--font-display);
}

.skill-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.skill-category {
    padding: 6px 14px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--aurora-purple-light);
    font-weight: 500;
    font-family: var(--font-display);
}

.skill-stats {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.skill-downloads {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-downloads-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.skill-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
    color: var(--neon-amber);
}

.skill-actions {
    display: flex;
    gap: 8px;
}

.btn-install {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-purple-dark));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-install:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}

.btn-details {
    padding: 10px 16px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-details:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--electric-cyan);
}

/* 榜单说明 */
.ranking-info {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-family: var(--font-display);
}

.info-icon {
    font-size: 1rem;
}

/* ========================================
   平台选择标签
   ======================================== */
.platform-tabs {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.platform-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.platform-tab:hover {
    background: var(--surface-elevated);
    color: var(--text-primary);
    border-color: var(--electric-cyan);
}

.platform-tab.active {
    background: linear-gradient(135deg, var(--electric-cyan), #0891b2);
    border-color: transparent;
    color: white;
    box-shadow: var(--glow-cyan);
}

.platform-icon {
    font-size: 1.25rem;
}

/* ========================================
   安装指南
   ======================================== */
.install-guide {
    background: rgba(45, 45, 74, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 40px;
}

.guide-content {
    display: none;
}

.guide-content.active {
    display: block;
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.step {
    display: flex;
    gap: 20px;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--aurora-purple), var(--electric-cyan));
    border-radius: 12px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.code-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: var(--void-mid);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

.code-block code {
    color: var(--electric-cyan-light);
    white-space: nowrap;
}

.copy-btn {
    padding: 6px 12px;
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
    flex-shrink: 0;
}

.copy-btn:hover {
    background: var(--aurora-purple);
    border-color: var(--aurora-purple);
    color: white;
}

.copy-btn.copied {
    background: var(--success-green);
    border-color: var(--success-green);
    color: white;
}

.guide-tips {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--border-subtle);
}

.tip-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg,
        rgba(163, 230, 53, 0.1) 0%,
        rgba(132, 204, 22, 0.05) 100%);
    border: 1px solid rgba(163, 230, 53, 0.2);
    border-radius: 12px;
}

.tip-icon {
    font-size: 1.5rem;
}

.tip-content h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: #bef264;
}

.tip-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ========================================
   Skill Lab - 卡片网格
   ======================================== */
.skill-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.category-card {
    background: rgba(45, 45, 74, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 28px;
    transition: all var(--duration-normal);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--aurora-purple), var(--electric-cyan));
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.category-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-glow);
    box-shadow: var(--glow-purple);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card.pro {
    background: linear-gradient(135deg,
        rgba(244, 63, 94, 0.08) 0%,
        rgba(163, 230, 53, 0.05) 100%);
    border-color: rgba(244, 63, 94, 0.3);
}

.category-card.pro::before {
    background: linear-gradient(90deg, var(--pro-rose), #a3e635);
    opacity: 1;
}

.category-card.featured {
    background: linear-gradient(135deg,
        rgba(16, 185, 129, 0.08) 0%,
        rgba(163, 230, 53, 0.05) 100%);
    border-color: rgba(16, 185, 129, 0.3);
}

.category-card.featured::before {
    background: linear-gradient(90deg, var(--success-green), #a3e635);
    opacity: 1;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.category-icon {
    font-size: 1.5rem;
}

.category-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    flex: 1;
}

.category-badge {
    padding: 4px 10px;
    background: var(--void-light);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    font-family: var(--font-display);
}

.category-badge.premium {
    background: linear-gradient(135deg, var(--pro-rose), #e11d48);
    color: white;
}

.category-badge.new {
    background: linear-gradient(135deg, var(--success-green), #059669);
    color: white;
}

.category-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.skill-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.skill-tag {
    padding: 6px 12px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: all var(--duration-fast);
}

.skill-tag:hover {
    border-color: var(--aurora-purple);
    color: var(--aurora-purple-light);
}

.case-preview {
    padding: 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    margin-bottom: 20px;
}

.case-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
}

.case-level {
    padding: 2px 8px;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--aurora-purple-light);
    font-family: var(--font-display);
}

.case-time {
    padding: 2px 8px;
    background: var(--surface);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: var(--font-display);
}

.case-title {
    font-size: 1rem;
    font-weight: 500;
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--aurora-purple-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: gap var(--duration-fast);
    font-family: var(--font-display);
    background: transparent;
    border: none;
    cursor: pointer;
}

.category-link:hover {
    gap: 8px;
}

/* 精选 Skill */
.featured-skills {
    margin-top: 40px;
}

.featured-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
    font-family: var(--font-display);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.featured-skill-card {
    background: rgba(45, 45, 74, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px;
    transition: all var(--duration-normal);
    position: relative;
    overflow: hidden;
}

.featured-skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--aurora-purple), var(--electric-cyan));
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.featured-skill-card:hover {
    transform: translateY(-4px);
    border-color: var(--aurora-purple);
    box-shadow: var(--glow-purple);
}

.featured-skill-card:hover::before {
    opacity: 1;
}

.featured-skill-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.featured-skill-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--aurora-purple), var(--electric-cyan));
    border-radius: 12px;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.featured-skill-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.featured-skill-info span {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.featured-skill-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.featured-skill-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.featured-skill-price {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neon-amber);
}

.featured-skill-price.free {
    color: var(--success-green);
}

/* ========================================
   故障排查
   ======================================== */
.troubleshooting-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.troubleshooting-card {
    background: rgba(45, 45, 74, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 28px;
    transition: all var(--duration-normal);
    position: relative;
    overflow: hidden;
}

.troubleshooting-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--aurora-purple), var(--electric-cyan));
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.troubleshooting-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
}

.troubleshooting-card:hover::before {
    opacity: 1;
}

.troubleshooting-card.highlight {
    background: linear-gradient(135deg,
        rgba(163, 230, 53, 0.1) 0%,
        rgba(245, 158, 11, 0.05) 100%);
    border-color: #a3e635;
}

.troubleshooting-card.highlight::before {
    opacity: 1;
}

.troubleshooting-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.troubleshooting-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.issue-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.issue-list li {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    transition: all var(--duration-fast);
}

.issue-list li:hover {
    border-color: var(--aurora-purple);
}

.issue-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.issue-fix {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.troubleshooting-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--aurora-purple-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-display);
}

.troubleshooting-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.api-providers {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.provider-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-fast);
}

.provider-link:hover {
    background: var(--surface);
    border-color: var(--aurora-purple);
    transform: translateX(4px);
}

.provider-name {
    font-weight: 500;
}

.provider-tag {
    padding: 2px 8px;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--aurora-purple-light);
    font-family: var(--font-display);
}

/* ========================================
   CTA Section - 绿色渐变
   ======================================== */
.cta-section {
    background: linear-gradient(135deg,
        rgba(163, 230, 53, 0.12) 0%,
        rgba(132, 204, 22, 0.08) 50%,
        rgba(245, 158, 11, 0.06) 100%);
    border: 1px solid rgba(163, 230, 53, 0.2);
    border-radius: 24px;
    margin: 0 24px 60px;
    padding: 60px 40px;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        var(--aurora-purple),
        var(--electric-cyan),
        var(--neon-amber),
        transparent);
}

.cta-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
    font-family: var(--font-display);
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.subscribe-form {
    display: flex;
    gap: 12px;
}

.subscribe-form input {
    flex: 1;
    padding: 14px 20px;
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.subscribe-form input:focus {
    border-color: var(--aurora-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.subscribe-form input::placeholder {
    color: var(--text-tertiary);
}

.form-note {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 12px;
    font-family: var(--font-display);
}

.cta-services h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 20px;
    font-family: var(--font-display);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    transition: all var(--duration-fast);
}

.service-item:hover {
    border-color: var(--aurora-purple);
    transform: translateX(4px);
    box-shadow: var(--glow-purple);
}

.service-icon {
    font-size: 1.5rem;
}

.service-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.service-name {
    font-weight: 500;
}

.service-price {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--neon-amber);
}

/* ========================================
   页脚扩展
   ======================================== */
.footer-links {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--duration-fast);
    font-family: var(--font-display);
}

.footer-links a:hover {
    color: var(--aurora-purple-light);
}

/* ========================================
   弹窗样式 - 玻璃拟态
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(12px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: rgba(45, 45, 74, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    width: 100%;
    max-width: 800px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-overlay:not(.hidden) .modal-container {
    transform: scale(1);
}

.modal-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid var(--border-subtle);
    position: relative;
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
    font-family: var(--font-display);
}

.modal-header p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--duration-fast);
}

.modal-close:hover {
    background: var(--pro-rose);
    border-color: var(--pro-rose);
    color: white;
}

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

/* 免费技能列表 */
.free-skills-search {
    margin-bottom: 20px;
}

.free-skills-search input {
    width: 100%;
    padding: 14px 20px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.free-skills-search input:focus {
    border-color: var(--aurora-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.free-skills-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.free-skill-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    transition: all var(--duration-fast);
}

.free-skill-item:hover {
    border-color: var(--aurora-purple);
    transform: translateX(4px);
}

.free-skill-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--aurora-purple), var(--electric-cyan));
    border-radius: 12px;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.free-skill-info {
    flex: 1;
    min-width: 0;
}

.free-skill-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.free-skill-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.free-skill-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.free-skill-stats {
    text-align: right;
}

.free-skill-stats .downloads {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-display);
}

.free-skill-stats .rating {
    font-size: 0.8rem;
    color: var(--neon-amber);
}

.btn-copy-install {
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-purple-dark));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
    white-space: nowrap;
}

.btn-copy-install:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}

.btn-copy-install.copied {
    background: var(--success-green);
}

/* 免费技能分类筛选 */
.free-skills-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.category-filter {
    padding: 8px 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.category-filter:hover {
    border-color: var(--aurora-purple);
    color: var(--text-primary);
}

.category-filter.active {
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-purple-dark));
    border-color: transparent;
    color: white;
}

/* 技能分类标签 */
.skill-category-tag {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(139, 92, 246, 0.15);
    border-radius: 4px;
    color: var(--aurora-purple-light);
    font-size: 0.75rem;
    margin-top: 6px;
    font-family: var(--font-display);
}

/* 无结果提示 */
.no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.no-results::before {
    content: '🔍';
    display: block;
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* 免费技能底部 */
.free-skills-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
}

.last-update {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-family: var(--font-display);
}

.btn-refresh {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-refresh:hover {
    border-color: var(--aurora-purple);
    color: var(--aurora-purple-light);
}

/* 定价弹窗样式 */
.pricing-modal .modal-container {
    max-width: 900px;
}

.pricing-tiers {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-subtle);
}

.pricing-tier {
    position: relative;
    padding: 24px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    text-align: center;
    transition: all var(--duration-fast);
}

.pricing-tier:hover {
    border-color: var(--aurora-purple);
    transform: translateY(-4px);
}

.pricing-tier.popular {
    border-color: #a3e635;
    background: linear-gradient(135deg,
        rgba(163, 230, 53, 0.15),
        rgba(163, 230, 53, 0.05));
}

.tier-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 12px;
    background: linear-gradient(135deg, #a3e635, #84cc16);
    border-radius: 20px;
    color: #0a0a0f;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-display);
}

.tier-header {
    margin-bottom: 20px;
}

.tier-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.tier-price {
    margin-bottom: 8px;
}

.tier-price .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: #bef264;
    font-family: var(--font-display);
}

.tier-price .price-from {
    font-size: 1.5rem;
    font-weight: 600;
    color: #bef264;
    font-family: var(--font-display);
}

.tier-price .price-custom {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: var(--font-display);
}

.tier-price .price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.tier-features {
    list-style: none;
    margin-bottom: 24px;
    text-align: left;
}

.tier-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tier-features li:last-child {
    border-bottom: none;
}

.btn-tier {
    width: 100%;
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-tier:hover {
    border-color: var(--aurora-purple);
    color: var(--aurora-purple-light);
}

.btn-tier.primary {
    background: linear-gradient(135deg, var(--aurora-purple), var(--aurora-purple-dark));
    border-color: transparent;
    color: white;
}

.btn-tier.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}

/* Pro技能列表 */
.pro-skills-section {
    margin-top: 24px;
}

.pro-skills-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
}

.pro-skills-search {
    margin-bottom: 16px;
}

.pro-skills-search input {
    width: 100%;
    padding: 12px 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    font-family: var(--font-display);
}

.pro-skills-search input:focus {
    border-color: var(--aurora-purple);
}

.pro-skills-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 300px;
    overflow-y: auto;
}

.pro-skill-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--void-light);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    transition: all var(--duration-fast);
}

.pro-skill-item:hover {
    border-color: var(--aurora-purple);
}

.pro-skill-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,
        rgba(251, 191, 36, 0.2),
        rgba(251, 191, 36, 0.1));
    border-radius: 10px;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.pro-skill-info {
    flex: 1;
    min-width: 0;
}

.pro-skill-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.pro-skill-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pro-skill-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--neon-amber);
    font-family: var(--font-display);
    flex-shrink: 0;
}

.pro-skill-action {
    flex-shrink: 0;
}

.btn-buy-skill {
    padding: 8px 16px;
    background: linear-gradient(135deg,
        rgba(251, 191, 36, 0.15),
        rgba(251, 191, 36, 0.05));
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: 8px;
    color: var(--neon-amber);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast);
    font-family: var(--font-display);
}

.btn-buy-skill:hover {
    background: linear-gradient(135deg,
        rgba(251, 191, 36, 0.25),
        rgba(251, 191, 36, 0.1));
    transform: translateY(-1px);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1200px) {
    .skill-categories {
        grid-template-columns: repeat(2, 1fr);
    }

    .troubleshooting-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .cta-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .subscribe-form {
        flex-direction: column;
    }

    .pricing-tiers {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-brand {
        flex-wrap: wrap;
    }

    .nav-divider,
    .sub-logo {
        display: none;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .openclaw-stats {
        flex-direction: column;
        align-items: center;
    }

    .skill-item {
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding: 16px;
        position: relative;
    }

    .skill-item > *:nth-child(1) {
        position: absolute;
        top: 12px;
        left: 12px;
    }

    .skill-item > *:nth-child(2) {
        margin-left: 60px;
        margin-right: 0;
    }

    .skill-item > *:nth-child(3),
    .skill-item > *:nth-child(4) {
        margin-left: 60px;
        width: calc(100% - 60px);
    }

    .skill-rank {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .skill-category {
        display: none;
    }

    .skill-stats {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding-top: 8px;
        border-top: 1px solid var(--border-subtle);
    }

    .skill-actions {
        display: flex;
        flex-direction: row;
        gap: 8px;
    }

    .skill-downloads {
        font-size: 1rem;
    }

    .skill-info h4 {
        font-size: 0.95rem;
        margin-bottom: 4px;
    }

    .skill-desc {
        font-size: 0.8rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .skill-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.7rem;
    }

    .btn-install,
    .btn-details {
        padding: 8px 16px;
        font-size: 0.8rem;
        flex: 1;
        text-align: center;
        justify-content: center;
    }

    .skill-categories {
        grid-template-columns: 1fr;
    }

    .troubleshooting-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        gap: 12px;
    }

    .code-block {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .cta-section {
        margin: 0 16px 40px;
        padding: 40px 24px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .pro-skill-item {
        flex-wrap: wrap;
    }

    .pro-skill-action {
        width: 100%;
        margin-top: 8px;
    }

    .btn-buy-skill {
        width: 100%;
    }
}

/* ========================================
   动画效果
   ======================================== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-item,
.category-card,
.troubleshooting-card,
.featured-skill-card {
    animation: slideInUp 0.5s ease forwards;
}

/* 滚动显示动画 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }