:root{--bg-primary:#0a0a0a;--bg-secondary:#111111;--bg-card:#181818;--bg-elevated:#1f1f1f;--text-primary:#f5f5f5;--text-secondary:#a8a8a8;--text-muted:#666;--accent:#3b82f6;--accent-soft:rgba(59, 130, 246, 0.08);--accent-hover:#2563eb;--border:#2a2a2a;--border-light:#333;--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.3);--shadow-md:0 8px 24px rgba(0, 0, 0, 0.4);--shadow-lg:0 16px 48px rgba(0, 0, 0, 0.5);--radius-sm:6px;--radius:10px;--radius-lg:16px;--transition-slow:0.3s ease;--font-xs:12px;--font-sm:13px;--font-base:15px;--font-md:16px;--font-lg:18px;--font-xl:20px;--font-2xl:24px;--font-3xl:28px;--title-page:clamp(26px, 4vw, 35px);}
[data-theme="light"]{--bg-primary:#fafafa;--bg-secondary:#ffffff;--bg-card:#ffffff;--bg-elevated:#ffffff;--text-primary:#111111;--text-secondary:#111111;--text-muted:#999;--border:#e8e8e8;--border-light:#f0f0f0;--shadow-sm:0 2px 8px rgba(0, 0, 0, 0.06);--shadow-md:0 8px 24px rgba(0, 0, 0, 0.08);--shadow-lg:0 16px 48px rgba(0, 0, 0, 0.1);}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
body{font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", Roboto, sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
body.nav-open{overflow:hidden;}
a{color:var(--accent);text-decoration:none;}
a:hover{opacity:0.85;}
img{max-width:100%;height:auto;display:block;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.content-wrapper{padding:48px 0 64px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:var(--font-base);font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;text-decoration:none;}
.btn:hover{opacity:1;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(0, 0, 0, 0.25);}
.btn-primary:hover{box-shadow:0 6px 20px rgba(0, 0, 0, 0.3);}
.social-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:50%;color:var(--text-secondary);text-decoration:none;cursor:pointer;}
.social-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;opacity:1;}
@media (max-width: 768px) {.content-wrapper{padding:32px 0 48px;}
.container{padding:0 16px;}}
.site-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:72px;display:flex;justify-content:space-between;align-items:center;}
.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);flex-shrink:0;}
.site-logo img{height:40px;width:auto;}
.site-logo span{font-size:var(--font-lg);font-weight:700;letter-spacing:-0.3px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:10px 16px;color:var(--text-secondary);font-size:var(--font-base);font-weight:600;border-radius:var(--radius-sm);}
.nav-link::after{content:"";position:absolute;bottom:6px;left:16px;right:16px;height:2px;background:var(--accent);border-radius:1px;transform:scaleX(0);}
.nav-link:hover{color:var(--text-primary);background:var(--bg-card);opacity:1;}
.nav-dropdown{position:relative;}
.dropdown-trigger{background:none;border:none;cursor:pointer;font-family:inherit;}
.dropdown-trigger .arrow{font-size:10px;margin-left:4px;opacity:0.6;}
.dropdown-menu{position:absolute;top:100%;left:0;min-width:160px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(10px);box-shadow:var(--shadow-md);z-index:200;}
.nav-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;}
.dropdown-menu a{display:block;padding:10px 16px;color:var(--text-secondary);font-size:var(--font-sm);}
.dropdown-menu a:hover{background:var(--bg-card);color:var(--text-primary);opacity:1;}
.theme-switch{position:relative;width:52px;height:28px;margin-left:12px;cursor:pointer;}
.theme-switch input{opacity:0;width:0;height:0;}
.theme-slider{position:absolute;inset:0;background:#1e293b;border-radius:14px;}
.theme-slider::before{content:"";position:absolute;width:22px;height:22px;left:3px;bottom:3px;background:#fff;border-radius:50%;box-shadow:0 2px 4px rgba(0, 0, 0, 0.2);}
.theme-slider .icon{position:absolute;top:50%;transform:translateY(-50%);width:16px;height:16px;background-size:contain;}
.theme-slider .icon-sun{left:6px;opacity:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='4' fill='%23f59e0b'/%3E%3Cpath d='M12 2v4M12 18v4M4 12H2M22 12h-2M5.6 5.6L8 8M16 16l2.4 2.4M5.6 18.4L8 16M16 8l2.4-2.4' stroke='%23f59e0b' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center;}
.theme-slider .icon-moon{right:6px;opacity:1;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fcd34d'%3E%3Cpath d='M21 12.79A9 9 0 1111.21 3a7 7 0 009.79 9.79z'/%3E%3C/svg%3E") no-repeat center;}
[data-theme="light"] .theme-slider{background:#f0d9b5;}
[data-theme="light"] .theme-slider::before{transform:translateX(24px);}
[data-theme="light"] .theme-slider .icon-sun{opacity:1;}
[data-theme="light"] .theme-slider .icon-moon{opacity:0;}
.menu-toggle{display:none;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:10px;border-radius:var(--radius-sm);}
.menu-toggle:hover{background:var(--bg-card);}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--text-primary);border-radius:1px;}
.menu-toggle span:nth-child(2){margin:6px 0;}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(6px, 6px);}
.menu-toggle.active span:nth-child(2){opacity:0;}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(6px, -6px);}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0, 0, 0, 0.6);z-index:98;opacity:0;}
.nav-overlay.active{opacity:1;}
@media (max-width: 768px) {.header-inner{height:56px;padding:0 16px;}
.menu-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;}
.nav-overlay{display:block;pointer-events:none;}
.nav-overlay.active{pointer-events:auto;}
.main-nav{position:fixed;top:0;right:0;width:min(300px, 85vw);height:100vh;height:100dvh;background:var(--bg-secondary);flex-direction:column;align-items:stretch;padding:80px 20px 32px;gap:4px;z-index:99;transform:translateX(100%);border-left:1px solid var(--border);overflow-y:auto;}
.main-nav.active{transform:translateX(0);}
.nav-link{padding:16px;font-size:var(--font-md);border-radius:var(--radius);}
.nav-link::after{display:none;}
.nav-link:hover,.nav-link:active{background:var(--bg-card);}
.nav-dropdown{width:100%;}
.dropdown-trigger{width:100%;text-align:left;justify-content:space-between;display:flex;}
.dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;border:none;box-shadow:none;padding:0;max-height:0;overflow:hidden;background:var(--bg-card);border-radius:var(--radius);margin-top:4px;}
.nav-dropdown.open .dropdown-menu{max-height:300px;}
.dropdown-menu a{padding-left:24px;}
.theme-switch{margin:16px auto 0;}}
.breadcrumb{display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;font-size:var(--font-sm);color:var(--text-muted);}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-muted);opacity:0.5;}
.breadcrumb .current{color:var(--text-primary);font-weight:500;}
.articles-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(320px, 1fr));gap:28px;}
.article-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;}
.article-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border-light);}
.card-link{display:block;text-decoration:none;color:inherit;}
.card-image{aspect-ratio:16/9;overflow:hidden;background:var(--bg-elevated);}
.card-image img{width:100%;height:100%;object-fit:cover;}
.card-content,.card-body{padding:24px;}
.card-title{font-size:var(--font-lg);font-weight:700;line-height:1.4;margin-bottom:10px;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-excerpt{color:var(--text-secondary);font-size:var(--font-sm);line-height:1.6;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{font-size:var(--font-xs);color:var(--text-muted);}
@media (max-width: 768px) {.articles-grid{grid-template-columns:1fr;gap:20px;}
.card-content,.card-body{padding:20px;}
.card-title{font-size:var(--font-md);}}
.prose{overflow-wrap:anywhere;font-size:var(--font-md);line-height:1.85;color:var(--text-secondary);}
.prose p{margin-bottom:1.75em;}
.prose h1,.prose h2,.prose h3{color:var(--text-primary);font-weight:700;line-height:1.35;margin-top:2.5em;margin-bottom:1em;}
.prose h1{font-size:var(--font-3xl);}
.prose h2{font-size:var(--font-2xl);}
.prose h3{font-size:var(--font-xl);color:var(--title-color, var(--text-primary));}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:var(--accent-soft);text-underline-offset:3px;}
.prose a:hover{text-decoration-color:var(--accent);opacity:1;}
.prose strong{color:var(--text-primary);font-weight:600;}
.prose code{background:var(--bg-elevated);padding:3px 8px;border-radius:var(--radius-sm);font-family:"SF Mono", "Consolas", monospace;font-size:0.875em;color:var(--accent);border:1px solid var(--border);}
.prose pre{background:var(--bg-elevated);padding:16px 20px;border-radius:var(--radius);overflow-x:auto;margin-bottom:1.75em;border:1px solid var(--border);}
.prose pre code{background:none;padding:0;border:none;font-size:var(--font-sm);color:var(--text-primary);}
.prose ul,.prose ol{margin-bottom:1.75em;padding-left:1.5em;}
.prose li{margin-bottom:0.5em;}
.prose blockquote{border-left:4px solid var(--accent);padding-left:20px;margin:1.75em 0;font-style:italic;color:var(--text-muted);}
.prose img{max-width:100%;height:auto;border-radius:var(--radius);border:1px solid #999;box-shadow:0 10px 40px rgba(0, 0, 0, 0.4);margin:1.5em 0;}
.prose .content-image{margin:1.75em 0;text-align:center;}
.prose .content-image img{margin:0;border:1px solid #999;box-shadow:0 10px 40px rgba(0, 0, 0, 0.4);}
.prose hr{border:none;border-top:1px solid var(--border);margin:2.5em 0;}
.prose table{width:100%;border-collapse:collapse;margin-bottom:1.75em;}
.prose th,.prose td{padding:12px;border:1px solid var(--border);text-align:left;}
.prose th{background:var(--bg-elevated);font-weight:600;color:var(--text-primary);}
@media (max-width: 768px) {.prose h1{font-size:var(--font-2xl);}
.prose h2{font-size:var(--font-xl);}
.prose h3{font-size:var(--font-lg);}}
.hero{position:relative;max-width:1200px;margin:0 auto;padding:100px 24px;text-align:center;overflow:hidden;background:radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-soft), transparent),
        linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);border-bottom:1px solid var(--border);}
.hero::before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23888' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");pointer-events:none;}
.hero.with-bg{background-size:cover;background-position:center;}
.hero.with-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.5) 100%);}
.hero-content{position:relative;z-index:1;max-width:680px;margin:0 auto;}
.hero h1{font-size:var(--title-page);font-weight:800;margin-bottom:20px;letter-spacing:-1.5px;line-height:1.15;}
.hero.with-bg h1{color:#fff;text-shadow:0 2px 20px rgba(0, 0, 0, 0.3);}
.hero p{font-size:var(--font-md);color:var(--text-secondary);margin-bottom:32px;line-height:1.6;}
.hero.with-bg p{color:rgba(255, 255, 255, 0.85);}
.hero-buttons{display:flex;flex-direction:column;align-items:center;gap:12px;}
.hero .btn{min-width:200px;padding:10px 32px;background:var(--accent);color:#fff;font-size:var(--font-md);font-weight:500;box-shadow:0 4px 14px rgba(0, 0, 0, 0.25);}
.hero .btn:hover{box-shadow:0 6px 20px rgba(0, 0, 0, 0.3);opacity:1;}
@media (max-width: 768px) {.hero{padding:64px 16px;}}
.site-footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:32px 0;margin-top:auto;}
.footer-content{display:flex;justify-content:space-between;align-items:center;gap:24px;}
.footer-left{display:flex;flex-direction:column;gap:8px;}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:0;}
.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:var(--font-sm);}
.footer-links a:hover{color:var(--text-primary);}
.footer-links .sep{margin:0 10px;color:var(--text-muted);}
.copyright{color:var(--text-secondary);font-size:var(--font-sm);}
.footer-social{display:flex;gap:10px;}
.footer-social .social-btn{width:40px;height:40px;}
@media (max-width: 768px) {.footer-content{flex-direction:column;text-align:center;gap:20px;}
.footer-left{align-items:center;}
.footer-links{justify-content:center;}}
:root{--accent:#0b72f9;--accent-soft:#0b72f915;--title-color:var(--accent);}
.skip-link{position:fixed;top:8px;left:8px;z-index:1000;padding:10px;background:var(--bg-card);transform:translateY(-160%);}
.skip-link:focus{transform:translateY(0);}
.ad-disclosure{display:block;max-width:440px;color:#f5f5f5;font-size:12px;line-height:1.6;text-shadow:0 1px 3px #000;}
.nav-dropdown:focus-within .dropdown-menu,.nav-dropdown.open .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.menu-toggle{position:relative;z-index:100;}
.theme-switch input{position:absolute;inset:0;width:100%;height:100%;z-index:1;cursor:pointer;}
.theme-switch:focus-within{outline:2px solid var(--accent);outline-offset:4px;}
@media(max-width:768px){.dropdown-menu{display:none;}
.nav-dropdown.open .dropdown-menu{display:block;}}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px;}
.editorial-meta{font-size:.85rem;line-height:1.8;color:var(--text-secondary);margin:16px 0 24px;padding-bottom:12px;border-bottom:1px solid var(--border-color,#444);}
.evidence-table{width:100%;overflow-x:auto;margin:24px 0;}
.evidence-table table{width:100%;min-width:540px;border-collapse:collapse;font-size:.95rem;line-height:1.8;}
.evidence-table th,.evidence-table td{padding:12px;text-align:left;vertical-align:top;border:1px solid var(--border-color,#555);}
.evidence-table th{background:var(--bg-elevated);color:var(--text-primary);}
.prose pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:18px;background:var(--bg-elevated);font-size:.9rem;line-height:1.8;}
.category-evidence{margin:28px 0 40px;}
.editorial-footer{margin:20px auto 0;max-width:1000px;font-size:.85rem;line-height:1.8;color:var(--text-secondary);}