:root{--color-primary: #2B5F4E;--color-primary-dark: #234D3F;--color-secondary: #D4872E;--color-text: #1A1A1A;--color-text-secondary: #6B7280;--color-text-muted: #555;--color-label: #6B8F5E;--color-bg-body: #96A396;--color-bg-surface: #F5F7F0;--color-surface: #f5f5f5;--color-bg-card: #fff;--color-border: rgba(0,0,0,.06);--color-border-light: rgba(0,0,0,.04);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 14px;--shadow-card: 0 4px 16px rgba(0,0,0,.06);--shadow-elevated: 0 8px 24px rgba(0,0,0,.12);--transition-fast: .15s;--content-padding: 16px;--content-max: 800px}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{overflow-x:hidden;width:100%}body{font-family:Inter,Arial,sans-serif;background-color:var(--color-bg-surface);color:#333;line-height:1.6;min-height:100vh;min-height:100dvh}.card-wrapper{background:var(--color-bg-surface);width:100%;min-height:100vh;min-height:100dvh}nav{display:flex;align-items:center;justify-content:space-between;padding:12px var(--content-padding);position:sticky;top:0;background:var(--color-bg-surface);z-index:50;border-bottom:1px solid var(--color-border)}.logo{font-family:"DM Serif Display",serif;font-size:20px;color:var(--color-text);text-decoration:none}.logo span{color:var(--color-secondary)}.nav-center{display:none;gap:28px;list-style:none;align-items:center}.nav-center>li{position:relative}.nav-center a,.nav-center .nav-dropdown-trigger{color:#333;text-decoration:none;font-size:14px;font-weight:500;transition:color var(--transition-fast);background:none;border:none;cursor:pointer;font-family:Inter,Arial,sans-serif;padding:0}.nav-center a:hover,.nav-center a.active,.nav-center .nav-dropdown-trigger:hover,.nav-center .nav-dropdown-trigger.active{color:var(--color-primary)}.nav-dropdown-trigger{display:flex;align-items:center;gap:4px}.nav-dropdown-trigger .arrow{font-size:10px;transition:transform var(--transition-fast)}.nav-dropdown-trigger.open .arrow{transform:rotate(180deg)}.nav-dropdown{position:absolute;top:100%;left:50%;transform:translate(-50%);background:var(--color-bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-elevated);padding:8px 0;min-width:180px;z-index:100;opacity:0;visibility:hidden;transition:opacity var(--transition-fast),visibility var(--transition-fast)}.nav-dropdown.open{opacity:1;visibility:visible}.nav-dropdown a{display:block;padding:8px 16px;font-size:13px;color:#333;text-decoration:none;transition:background var(--transition-fast)}.nav-dropdown a:hover{background:var(--color-bg-surface);color:var(--color-primary)}.nav-auth{display:none}.nav-auth-btn{font-size:13px;padding:6px 14px;border:1px solid #ddd;border-radius:6px;background:#fff;color:#333;cursor:pointer;text-decoration:none;font-family:Arial,sans-serif}.nav-auth-btn:hover{border-color:#333}.hamburger{display:flex;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:5px;min-height:44px;justify-content:center}.hamburger span{display:block;width:22px;height:2px;background:#333;border-radius:2px;transition:transform .2s,opacity .2s}.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.mobile-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--color-bg-surface);border-top:1px solid var(--color-border);padding:8px var(--content-padding);padding-bottom:calc(8px + env(safe-area-inset-bottom));z-index:99;box-shadow:var(--shadow-elevated);max-height:80vh;max-height:80dvh;overflow-y:auto;-webkit-overflow-scrolling:touch}.mobile-menu.open{display:block}.mobile-menu a{display:flex;align-items:center;padding:12px 0;color:#333;text-decoration:none;font-size:15px;font-weight:500;border-bottom:1px solid var(--color-border);min-height:48px}.mobile-menu a:last-child{border-bottom:none}.mobile-menu a:hover,.mobile-menu a.active{color:var(--color-primary)}.mobile-menu .mobile-section-label{font-size:11px;font-weight:600;color:var(--color-label);text-transform:uppercase;letter-spacing:1px;padding:14px 0 4px}.mobile-auth-btn{background:none;border:none;color:var(--color-text-secondary);font-size:15px;padding:12px 0;cursor:pointer;text-align:left;min-height:48px;width:100%}.content{padding:20px var(--content-padding) 32px;max-width:var(--content-max);margin:0 auto;overflow-x:hidden;word-wrap:break-word;overflow-wrap:break-word}.page-title{font-family:"DM Serif Display",serif;font-size:24px;color:var(--color-text);margin-bottom:4px}.subtitle{color:var(--color-text-secondary);margin-bottom:24px;font-size:14px}.section-label{font-size:11px;font-weight:600;color:var(--color-label);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:12px;margin-top:28px}.section-label:first-child{margin-top:0}.link-grid{display:grid;grid-template-columns:1fr;gap:8px}.link-card{display:flex;align-items:center;gap:12px;background:var(--color-bg-card);border-radius:var(--radius-md);padding:14px 16px;text-decoration:none;color:inherit;transition:transform var(--transition-fast),box-shadow var(--transition-fast);border:1px solid var(--color-border-light);min-height:56px}.link-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-card)}.link-card .lc-icon{font-size:22px;flex-shrink:0}.link-card .lc-title{font-size:14px;font-weight:600;color:var(--color-text)}.link-card .lc-desc{font-size:12px;color:var(--color-text-secondary);line-height:1.4}footer{text-align:center;padding:16px var(--content-padding) 20px;padding-bottom:calc(20px + env(safe-area-inset-bottom));border-top:1px solid var(--color-border);color:var(--color-text-secondary);font-size:13px}footer a{color:var(--color-primary);text-decoration:none;font-weight:500}footer a:hover{text-decoration:underline}.section{margin-bottom:24px}.section h3{font-family:"DM Serif Display",serif;color:var(--color-text);font-size:18px;margin-bottom:10px;border-bottom:1px solid var(--color-border);padding-bottom:6px}.section h4{color:var(--color-text);font-size:15px;margin:14px 0 6px}.key-point{border-left:3px solid var(--color-primary);padding:10px 14px;margin-bottom:10px;background:var(--color-bg-card);border-radius:0 8px 8px 0;font-size:14px}.key-point strong{color:var(--color-text)}blockquote{border-left:3px solid var(--color-primary);margin:12px 0;padding:8px 14px;color:var(--color-text-muted);font-style:italic;background:var(--color-bg-card);border-radius:0 8px 8px 0;font-size:14px}table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13px}th{text-align:left;padding:8px 10px;font-size:12px;color:var(--color-text-secondary);border-bottom:2px solid var(--color-border)}td{padding:8px 10px;font-size:13px;border-bottom:1px solid var(--color-border)}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px -4px;padding:0 4px}.framework-steps{list-style:none;padding:0;counter-reset:step}.framework-steps li{padding:10px 14px 10px 40px;margin-bottom:8px;border:1px solid var(--color-border);border-radius:8px;position:relative;font-size:14px;background:var(--color-bg-card)}.framework-steps li:before{counter-increment:step;content:counter(step);position:absolute;left:14px;top:10px;font-weight:700;color:var(--color-primary);font-size:16px}.action-item{padding:8px 12px;margin-bottom:6px;border:1px solid var(--color-border);border-radius:8px;font-size:14px;background:var(--color-bg-card)}.action-item:before{content:"→ ";color:var(--color-primary);font-weight:700}ul.plain{list-style:none;padding:0}ul.plain li{padding:4px 0;font-size:14px}ul.plain li:before{content:"• ";color:var(--color-primary)}p{font-size:15px}.u-card{background:var(--color-bg-card);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:14px;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.u-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-card)}.u-accent{background:var(--color-bg-card);border-left:3px solid var(--color-primary);border-radius:0 8px 8px 0;padding:10px 14px}button,a{min-height:44px}input,select,textarea{font-size:16px}.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;z-index:1000;padding:12px 24px;background:var(--color-primary);color:#fff;font-weight:600;font-size:14px;text-decoration:none;border-radius:0 0 var(--radius-sm) var(--radius-sm)}.skip-link:focus{position:fixed;top:0;left:50%;transform:translate(-50%);width:auto;height:auto}@media(min-width:769px){body{background-color:var(--color-bg-body);display:flex;align-items:center;justify-content:center;padding:40px 20px}.card-wrapper{border-radius:24px;max-width:1100px;box-shadow:0 20px 60px #0000001f;overflow:hidden;min-height:auto}nav{padding:24px 48px;position:relative;border-bottom:none;gap:40px;justify-content:flex-start}.logo{font-size:24px}.nav-center{display:flex}.nav-auth{display:block;margin-left:auto}.hamburger{display:none}.content{padding:40px 48px 48px;--content-padding: 48px}.page-title{font-size:36px}.subtitle{font-size:16px;margin-bottom:30px}.section h3{font-size:20px}.section-label{font-size:12px;margin-top:36px;margin-bottom:16px}.link-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}.u-card{padding:18px}table{font-size:14px}th{font-size:13px}td{font-size:14px}footer{padding:20px 48px 28px}button,a{min-height:unset}}@media(max-width:380px){.page-title{font-size:22px}}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton-block{background:linear-gradient(90deg,#e8e8e8 25%,#f5f5f5,#e8e8e8 75%);background-size:800px 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}.skeleton-title{height:36px;width:50%;margin-bottom:10px}.skeleton-subtitle{height:16px;width:70%;margin-bottom:30px}.skeleton-card{height:80px;width:100%;margin-bottom:14px}