:root{--brand-color:#ff3d2e;--brand-dark:#cd0b00;--brand-light:rgba(255, 61, 46, 0.1);--brand-mid:rgba(255, 61, 46, 0.15);--top-nav-bg:#f5f5f5;--top-nav-text:#444444;--top-nav-border:rgba(0, 0, 0, 0.08);--main-nav-bg:#222222;--main-nav-text:#ffffff;--main-nav-hover:#ff3d2e;--main-nav-sub-bg:#2d2d2d;--body-bg:#f0f2f5;--content-bg:#ffffff;--sidebar-bg:#ffffff;--footer-bg:#f6f6f6;--site-info-bg:#1a1a1a;--border-color:rgba(0, 0, 0, 0.08);--border-color-mid:rgba(0, 0, 0, 0.12);--text-primary:#2c2f34;--text-secondary:#555b64;--text-muted:#888e98;--heading-color:#1a1d21;--link-color:#ff3d2e;--link-hover:#cd0b00;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:20px;--shadow-sm:0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.05);--shadow-lg:0 10px 40px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.08);--transition:all 0.25s cubic-bezier(0.4, 0, 0.2, 1);--transition-fast:all 0.15s ease;--container-max:1200px;--sidebar-width:300px;--gap:24px}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:15px;line-height:1.7;color:var(--text-primary);background-color:var(--body-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3{font-family:"Poppins","Inter",sans-serif;font-weight:700;line-height:1.35;color:var(--heading-color);margin-bottom:.75em}h1{font-size:2rem}h2{font-size:1.6rem}h3{font-size:1.3rem}p{margin-bottom:1.2em;color:var(--text-secondary)}p:last-child{margin-bottom:0}a{color:inherit;text-decoration:none;transition:var(--transition-fast)}a:hover{color:var(--link-color)}ol,ul{list-style:none}#reading-progress-bar{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,var(--brand-color),#ff7b6e);z-index:9999;transition:width .1s linear;box-shadow:0 0 8px rgb(255 61 46/.5)}.container{max-width:var(--container-max);margin:0 auto;padding:0 20px}.site-wrapper{display:flex;flex-direction:column;min-height:100vh}#site-content{flex:1;padding:28px 0 40px}.content-row{display:flex;gap:var(--gap);align-items:flex-start}#main-content{flex:1;min-width:0}#sidebar{width:var(--sidebar-width);flex-shrink:0}#top-nav{background-color:var(--top-nav-bg);border-bottom:1px solid var(--top-nav-border);font-size:12.5px;font-family:"Poppins",sans-serif}.top-nav-inner{justify-content:space-between;height:38px}.top-nav-inner,.top-nav-left,.top-nav-right{display:flex;align-items:center}.top-nav-left,.top-nav-left a{gap:20px;color:var(--top-nav-text)}.top-nav-left a{font-weight:500;display:flex;align-items:center;gap:5px;transition:var(--transition-fast)}.breadcrumb a:hover,.logo-text span,.post-card .entry-title a:hover,.top-nav-left a:hover{color:var(--brand-color)}.top-nav-right{gap:12px}.top-nav-date{color:var(--text-muted);font-size:12px}#theme-header{background:#fff;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow-sm);transition:var(--transition)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}#site-logo a,.logo-text{color:var(--heading-color)}#site-logo a{display:flex;align-items:center;gap:12px;text-decoration:none}.logo-text{font-family:"Poppins",sans-serif;font-size:1.3rem;font-weight:800;line-height:1.2;letter-spacing:-.3px}.logo-tagline{font-size:11px;color:var(--text-muted);font-weight:400;display:block;letter-spacing:.5px;text-transform:uppercase}.header-search-form{display:flex;align-items:center;background:var(--body-bg);border:1.5px solid var(--border-color);border-radius:25px;overflow:hidden;transition:var(--transition-fast)}.header-search-form:focus-within{border-color:var(--brand-color);background:#fff;box-shadow:0 0 0 3px var(--brand-light)}.header-search-form input[type=search]{border:0;background:#fff0;padding:8px 14px;font-size:13.5px;width:200px;color:var(--text-primary);outline:0}.header-search-form button{background:var(--brand-color);border:0;padding:8px 14px;color:#fff;cursor:pointer;font-size:13px;transition:var(--transition-fast)}.header-search-form button:hover,.nav-search-wrap button:hover,.widget-search-form button:hover{background:var(--brand-dark)}#main-nav{background-color:var(--main-nav-bg)}.main-menu,.main-nav-inner{display:flex;align-items:stretch}.main-nav-inner{justify-content:space-between}.main-menu{gap:0;list-style:none}#main-nav,.main-menu>li{position:relative}.main-menu>li>a{display:flex;align-items:center;padding:0 18px;height:46px;color:var(--main-nav-text);font-family:"Poppins",sans-serif;font-size:13.5px;font-weight:600;letter-spacing:.2px;white-space:nowrap;transition:var(--transition-fast);text-decoration:none;border-bottom:3px solid #fff0}.main-menu>li>a:hover{color:#fff;background:rgb(255 255 255/.08);border-bottom-color:var(--brand-color)}.nav-search-wrap{display:flex;align-items:center;padding:0 16px}.nav-search-wrap .nav-search-form{display:flex;align-items:center;gap:0}.nav-search-wrap input[type=search]{background:rgb(255 255 255/.1);border:1px solid rgb(255 255 255/.2);border-radius:20px 0 0 20px;padding:6px 14px;color:#fff;font-size:13px;width:180px;outline:0;transition:var(--transition-fast)}.nav-search-wrap input[type=search]::placeholder{color:rgb(255 255 255/.5)}.nav-search-wrap input[type=search]:focus{background:rgb(255 255 255/.15);border-color:var(--brand-color)}.hamburger,.nav-search-wrap button{cursor:pointer;border:0;transition:var(--transition-fast)}.nav-search-wrap button{background:var(--brand-color);padding:6px 12px;color:#fff;border-radius:0 20px 20px 0;font-size:12px}.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;padding:5px;background:rgb(255 255 255/.1);border-radius:var(--radius-sm)}.hamburger span{display:block;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}.breadcrumb-wrap{background:#fff;border-bottom:1px solid var(--border-color);padding:10px 0}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:12.5px;color:var(--text-muted);list-style:none}.breadcrumb a{color:var(--text-muted);font-weight:500}.breadcrumb .separator{color:var(--border-color-mid);font-size:10px}.breadcrumb .current{color:var(--brand-color);font-weight:600}.post-card{background:var(--content-bg);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:var(--gap);border:1px solid var(--border-color);transition:var(--transition)}.post-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.post-card-inner{display:flex;align-items:stretch}.post-card-body{padding:20px 24px;flex:1;display:flex;flex-direction:column;justify-content:center}.post-category{margin-bottom:10px}.cat-badge{display:inline-block;padding:3px 10px;background:var(--brand-light);color:var(--brand-color);font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;border-radius:20px;font-family:"Poppins",sans-serif}.post-card .entry-title{font-size:1.15rem;font-weight:700;margin-bottom:8px;line-height:1.4}.post-card .entry-title a{color:var(--heading-color);transition:var(--transition-fast)}.entry-meta,.entry-meta span{display:flex;align-items:center}.entry-meta{gap:14px;font-size:12px;color:var(--text-muted);margin-bottom:10px;font-family:"Poppins",sans-serif}.entry-meta span{gap:4px}.entry-meta .reading-time{background:var(--body-bg);padding:2px 8px;border-radius:10px;font-weight:600}.entry-excerpt,.footer-about p{font-size:13.5px;color:var(--text-secondary)}.entry-excerpt{line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.read-more-btn,.widget-search-form 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a:hover{background:var(--brand-color);color:#fff;border-color:var(--brand-color)}#site-footer{background:var(--footer-bg);border-top:1px solid var(--border-color);padding:50px 0 0}.footer-widgets{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid var(--border-color-mid)}.footer-widget h3{font-size:1rem;color:var(--heading-color);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--brand-color);display:inline-block}.footer-about p{line-height:1.7}.footer-links{list-style:none}.footer-links li{border-bottom:1px solid var(--border-color)}.footer-links li a{gap:8px;padding:8px 0;font-size:13px}.footer-links li a:hover{color:var(--brand-color);padding-left:6px}.footer-social{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}#site-info{background:var(--site-info-bg);padding:16px 0}#back-to-top,.footer-links li a,.site-info-inner{display:flex;align-items:center}.site-info-inner{justify-content:space-between;flex-wrap:wrap;gap:12px}.copyright-text{color:#aaa;font-size:12.5px}.copyright-text a{color:var(--brand-color)}.copyright-text a:hover{color:#fff}.footer-nav-links{display:flex;gap:20px;list-style:none}.footer-nav-links a{color:#aaa;font-size:12px;transition:var(--transition-fast)}.footer-nav-links a:hover{color:var(--brand-color)}#back-to-top{position:fixed;bottom:30px;right:24px;width:42px;height:42px;background:var(--brand-color);color:#fff;border:0;border-radius:50%;cursor:pointer;font-size:16px;box-shadow:0 4px 14px rgb(255 61 46/.35);transition:var(--transition);opacity:0;visibility:hidden;transform:translateY(10px);z-index:999;justify-content:center}#back-to-top:hover{background:var(--brand-dark);transform:translateY(-3px);box-shadow:0 6px 20px rgb(255 61 46/.45)}.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}@media (max-width:1024px){:root{--sidebar-width:260px}}@media (max-width:768px){.content-row,.post-card-inner{flex-direction:column}#sidebar{width:100%}.footer-widgets{grid-template-columns:1fr;gap:24px}.header-inner{flex-wrap:wrap;gap:12px}.header-search-form input{width:140px}.hamburger{display:flex}.main-menu{flex-direction:column;position:absolute;top:100%;left:0;right:0;background:var(--main-nav-bg);z-index:500}.main-menu>li>a{height:auto;padding:12px 20px;border-left:3px solid #fff0}.main-menu>li>a:hover{border-left-color:var(--brand-color)}.main-menu,.nav-search-wrap,.top-nav-date{display:none}.page-wrap{padding:20px 18px}h1{font-size:1.6rem}h2{font-size:1.3rem}}@media (max-width:480px){.container{padding:0 14px}#site-content{padding:16px 0 30px}.top-nav-left>:not(:first-child){display:none}}@media print{#back-to-top,#main-nav,#reading-progress-bar,#sidebar,#site-footer,#theme-header,#top-nav{display:none!important}#main-content{width:100%!important}a,body{color:#000}body{font-size:12pt}a{text-decoration:underline}}