.skills-page{min-height:100vh}.skills-section{border:1px solid var(--color-border-muted,#d0d7de);border-radius:12px;overflow:hidden;margin-bottom:24px;background:var(--color-canvas-default,#fff);box-shadow:0 1px 3px rgba(0,0,0,.04)}.skills-section-header{padding:16px 20px;border-bottom:1px solid var(--color-border-muted,#d0d7de);background:var(--color-canvas-subtle,#f6f8fa)}.skills-section-title{font-size:18px;font-weight:600;margin:0;display:flex;align-items:center;gap:8px;color:var(--color-fg-default,#1f2328)}.skills-section-icon{font-size:20px}.skills-section-body{padding:24px}.skills-steps-container{margin-bottom:32px}.skills-steps-heading{font-size:20px;font-weight:600;margin:0 0 24px;display:flex;align-items:center;gap:8px;color:var(--color-fg-default,#1f2328)}.skills-step,.skills-steps{position:relative}.skills-step{display:flex;gap:20px}.skills-step-avatar{margin-top:4px}.skills-step-content{flex:1;min-width:0;position:relative;border:1px solid var(--color-border-muted,#d0d7de);border-radius:12px;padding:24px;margin-bottom:20px;background:var(--color-canvas-default,#fff);box-shadow:0 1px 3px rgba(0,0,0,.04);transition:box-shadow .2s ease}.skills-step:not(:last-child) .skills-step-content:after{content:"";position:absolute;top:100%;left:32px;width:2px;height:20px;background-color:var(--color-border-muted,#d0d7de);z-index:0}.skills-step-content:hover{box-shadow:0 4px 12px rgba(0,0,0,.08)}.skills-step-content .markdown-body h2:first-child{margin-top:0;padding-top:0}.skills-step-content .markdown-body img{border-radius:8px;border:1px solid var(--color-border-muted,#d0d7de)}.skills-sidebar{display:flex;flex-direction:column;gap:16px}.skills-nav{border:1px solid var(--color-border-muted,#d0d7de);border-radius:12px;overflow:hidden;background:var(--color-canvas-default,#fff);box-shadow:0 1px 3px rgba(0,0,0,.04)}.skills-nav-title{font-size:14px;font-weight:600;padding:14px 16px;margin:0;border-bottom:1px solid var(--color-border-muted,#d0d7de);background:var(--color-canvas-subtle,#f6f8fa);color:var(--color-fg-default,#1f2328)}.skills-nav-list{padding:8px}.skills-nav-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--color-fg-muted,#656d76);font-size:13px;line-height:1.4;transition:background-color .15s ease,color .15s ease}.skills-nav-item:hover{color:var(--color-fg-default,#1f2328);text-decoration:none}.skills-nav-badge,.skills-nav-item:hover{background:var(--color-canvas-subtle,#f6f8fa)}.skills-nav-badge{width:24px;height:24px;border-radius:50%;border:1px solid var(--color-border-muted,#d0d7de);color:var(--color-fg-muted,#656d76);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}.skills-nav-badge--final{background:#238636;color:#fff;border-color:#238636}.skills-nav-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.skills-info-card{border:1px solid var(--color-border-muted,#d0d7de);border-radius:12px;padding:20px;background:var(--color-canvas-default,#fff);box-shadow:0 1px 3px rgba(0,0,0,.04)}.skills-info-title{font-size:14px;font-weight:600;margin:0 0 8px;color:var(--color-fg-default,#1f2328)}.skills-info-text{font-size:13px;color:var(--color-fg-muted,#656d76);line-height:1.6;margin:0 0 8px}.skills-info-text:last-of-type{margin-bottom:0}.skills-notice{display:flex;gap:14px;align-items:flex-start;padding:16px 20px;margin-top:16px;border:1px solid rgba(56,132,255,.25);border-left:3px solid #388bfd;border-radius:10px;background:linear-gradient(135deg,rgba(56,132,255,.06),rgba(56,132,255,.02));backdrop-filter:blur(4px)}.skills-notice-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;flex-shrink:0;border-radius:8px;background:rgba(56,132,255,.12);color:#388bfd}.skills-notice-body{flex:1;min-width:0}.skills-notice-text{margin:0;font-size:14px;line-height:1.6;color:var(--color-fg-muted,#656d76)}.skills-notice-text strong{color:var(--color-fg-default,#1f2328)}.skills-notice-link{display:inline-block;margin-top:8px;font-size:13px;font-weight:600;color:#388bfd;text-decoration:none;transition:color .15s ease,transform .15s ease}.skills-notice-link:hover{color:#58a6ff;text-decoration:none;transform:translateX(2px)}.skills-error{text-align:center;padding:80px 20px}.skills-error-icon{font-size:48px;margin-bottom:16px}.skills-error-title{font-size:24px;font-weight:600;margin:0 0 8px;color:var(--color-fg-default,#1f2328)}.skills-error-desc{font-size:16px;color:var(--color-fg-muted,#656d76);margin:0 0 24px}@media (max-width:768px){.skills-hero{padding:32px 0}.skills-hero-title{font-size:28px}.skills-hero-desc{font-size:16px}.skills-step-avatar{width:28px!important;height:28px!important}.skills-step-content{padding:16px}.skills-step{gap:12px}.skills-sidebar{margin-top:24px}}