:root{--color-primary:#3275F2;--color-primary-hover:#1a5bd4;--color-primary-light:#e8f0fe;--color-primary-border:#b8d0fc;--color-text:#1a1a2e;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-bg:#ffffff;--color-bg-off:#f9fafb;--color-card-bg:#ffffff;--color-success:#10b981;--color-border:#e5e7eb;--color-border-light:#f3f4f6;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:14px;--spacing-lg:20px;--spacing-xl:24px;--spacing-2xl:32px;--spacing-3xl:40px;--spacing-4xl:56px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--shadow-xs:0 1px 2px rgba(0,0,0,.04);--shadow-sm:0 1px 3px rgba(0,0,0,.05);--shadow-md:0 4px 16px rgba(0,0,0,.06);--shadow-lg:0 8px 32px rgba(0,0,0,.08);--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, 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auto;padding:0 var(--spacing-lg);display:flex;align-items:center;justify-content:flex-start;height:52px;gap:var(--spacing-lg)}.header-left{flex-shrink:0}.site-title{font-size:1.2rem;font-weight:700;color:var(--color-primary);letter-spacing:.3px}.site-title:hover{color:var(--color-primary-hover)}.site-nav{display:flex;justify-content:flex-start;margin-left:var(--spacing-2xl)}.nav-menu{display:flex;gap:2px}.nav-menu li a{display:block;padding:var(--spacing-sm) var(--spacing-md);color:var(--color-text-secondary);font-size:.92rem;font-weight:500;border-radius:var(--radius-sm);transition:color 0.2s,background-color 0.2s}.nav-menu li a:hover{color:var(--color-primary);background-color:var(--color-primary-light)}.nav-menu li.current-menu-item a{color:var(--color-primary);background-color:#fff0;position:relative}.nav-menu li.current-menu-item a::after{content:'';position:absolute;bottom:2px;left:var(--spacing-md);right:var(--spacing-md);height:2px;background-color:var(--color-primary);border-radius:1px}.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:var(--spacing-sm)}.nav-toggle-bar{display:block;width:22px;height:2px;background-color:var(--color-text);border-radius:2px;transition:transform 0.3s,opacity 0.3s}.nav-toggle.active .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.active .nav-toggle-bar:nth-child(2){opacity:0}.nav-toggle.active .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.header-search{flex-shrink:0;margin-left:auto}.header-search .search-form{display:flex;align-items:center;border:1px solid var(--color-border);border-radius:20px;overflow:hidden;background-color:var(--color-bg-off);transition:border-color 0.2s,box-shadow 0.2s}.header-search .search-form:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px rgb(50 117 242 / .1)}.header-search .search-form-label{display:flex;flex:1}.header-search .search-form-input{background:#fff0;border:none;color:var(--color-text);padding:7px 14px;width:180px;outline:none;font-size:.88rem}.header-search .search-form-input::placeholder{color:var(--color-text-muted)}.header-search .search-form-submit{background:none;border:none;color:var(--color-text-secondary);padding:0 12px 0 4px;cursor:pointer;display:flex;align-items:center;transition:color 0.2s}.header-search .search-form-submit:hover{color:var(--color-primary)}.site-main{min-height:50vh}.page-header{text-align:center;padding:var(--spacing-4xl) var(--spacing-md) var(--spacing-3xl)}.page-header-title{font-size:1.75rem;font-weight:700;color:var(--color-text);letter-spacing:-.3px}.page-header-title::after{content:'';display:block;width:48px;height:3px;background-color:var(--color-primary);border-radius:2px;margin:var(--spacing-md) auto 0}.page-header-desc{color:var(--color-text-secondary);font-size:.95rem;margin-top:var(--spacing-sm)}.card-grid{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg);display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-xl);margin-bottom:var(--spacing-3xl)}.card{background-color:var(--color-card-bg);border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--color-border-light);transition:transform 0.25s ease,box-shadow 0.25s ease,border-color 0.25s 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var(--spacing-lg);flex:1;display:flex;flex-direction:column;gap:var(--spacing-xs)}.card-title{font-size:.95rem;font-weight:600;color:var(--color-text);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card:hover .card-title{color:var(--color-primary)}.card-author{font-size:.8rem;color:var(--color-text-secondary)}.card-meta{font-size:.75rem;color:var(--color-text-muted);margin-top:auto;display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.single-container{max-width:1000px;margin:0 auto;padding:var(--spacing-2xl) var(--spacing-lg)}.breadcrumb{font-size:.85rem;color:var(--color-text-muted);margin-bottom:var(--spacing-2xl);display:flex;gap:var(--spacing-xs);align-items:center;flex-wrap:wrap}.breadcrumb a{color:var(--color-text-secondary)}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb-sep{color:var(--color-border)}.single-layout{display:flex;gap:var(--spacing-3xl);align-items:flex-start}.single-cover{flex:0 0 35%;max-width:350px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.single-cover img{width:100%;display:block}.single-cover .card-cover-placeholder{position:relative;padding-top:100%}.single-cover .card-cover-placeholder span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.single-info{flex:1;min-width:0}.single-title{font-size:1.75rem;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-lg);line-height:1.3;letter-spacing:-.3px}.single-meta-list{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl);padding:var(--spacing-lg);background-color:var(--color-bg-off);border-radius:var(--radius-md);border:1px solid var(--color-border-light)}.meta-item{display:flex;align-items:baseline;gap:var(--spacing-sm);font-size:.93rem}.meta-label{color:var(--color-text-muted);font-weight:500;min-width:56px;flex-shrink:0}.meta-value{color:var(--color-text)}.single-categories{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-bottom:var(--spacing-xl)}.cat-tag{display:inline-block;padding:4px 14px;background-color:var(--color-bg-off);color:var(--color-text-secondary);border:1px solid var(--color-border-light);border-radius:20px;font-size:.8rem;font-weight:500;transition:all 0.2s}.cat-tag:hover{color:var(--color-primary);border-color:var(--color-primary-border);background-color:var(--color-primary-light)}.single-content{font-size:1rem;line-height:1.85;color:var(--color-text)}.single-content h2,.single-content h3,.single-content h4{margin-top:var(--spacing-2xl);margin-bottom:var(--spacing-md);font-weight:600;color:var(--color-text)}.single-content h2{font-size:1.35rem}.single-content h3{font-size:1.15rem}.single-content p{margin-bottom:var(--spacing-md)}.single-content a{color:var(--color-primary);text-decoration:underline;text-underline-offset:2px}.single-content ul,.single-content ol{margin-bottom:var(--spacing-md);padding-left:1.5em}.single-content ul{list-style:disc}.single-content ol{list-style:decimal}.single-content li{margin-bottom:var(--spacing-xs)}.single-content img{border-radius:var(--radius-md);margin:var(--spacing-md) 0}.single-content blockquote{border-left:3px solid var(--color-primary);margin:var(--spacing-lg) 0;padding:var(--spacing-md) var(--spacing-lg);color:var(--color-text-secondary);background-color:var(--color-bg-off);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic}.page-container{max-width:780px;margin:0 auto;padding:var(--spacing-3xl) var(--spacing-lg)}.page-title{font-size:1.75rem;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-2xl);letter-spacing:-.3px}.page-content{font-size:1rem;line-height:1.85}.page-content p{margin-bottom:var(--spacing-md)}.page-content h2,.page-content h3{margin-top:var(--spacing-2xl);margin-bottom:var(--spacing-md)}.error-404{max-width:480px;margin:var(--spacing-4xl) auto;padding:var(--spacing-2xl) var(--spacing-lg);text-align:center}.error-404-icon{font-size:5rem;font-weight:800;color:var(--color-primary);line-height:1;margin-bottom:var(--spacing-md);letter-spacing:-2px}.error-404-title{font-size:1.4rem;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-sm)}.error-404-desc{color:var(--color-text-secondary);margin-bottom:var(--spacing-xl)}.error-404 .btn-primary{display:inline-block;margin-bottom:var(--spacing-xl)}.error-404 .search-form{max-width:340px;margin:0 auto}.empty-state{text-align:center;padding:var(--spacing-4xl) var(--spacing-md);max-width:480px;margin:0 auto}.empty-state-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}.empty-state-title{font-size:1.2rem;font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-sm)}.empty-state-desc{color:var(--color-text-secondary);margin-bottom:var(--spacing-xl)}.btn-primary{display:inline-block;padding:10px 28px;background-color:var(--color-primary);color:#ffffff!important;border-radius:var(--radius-md);font-weight:500;font-size:.95rem;transition:background-color 0.2s,transform 0.15s,box-shadow 0.2s;text-decoration:none!important;border:none;cursor:pointer}.btn-primary:hover{background-color:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgb(50 117 242 / .3)}.search-form{display:flex;align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;background-color:#fff;transition:border-color 0.2s,box-shadow 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var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:.88rem;color:var(--color-text-secondary);background-color:#fff;transition:all 0.2s}.pagination .page-numbers.current{background-color:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination .page-numbers:hover:not(.current){border-color:var(--color-primary);color:var(--color-primary)}.pagination .next,.pagination .prev{font-weight:500}.site-footer{background-color:var(--color-bg-off);color:var(--color-text-secondary);border-top:1px solid var(--color-border-light);padding-top:var(--spacing-3xl)}.footer-inner{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.footer-widgets{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-2xl);padding-bottom:var(--spacing-xl);border-bottom:1px solid var(--color-border-light)}.footer-title{font-size:1rem;font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-md)}.footer-desc{font-size:.88rem;line-height:1.7}.footer-categories li{margin-bottom:var(--spacing-xs)}.footer-categories li a{color:var(--color-text-secondary);font-size:.88rem;transition:color 0.2s}.footer-categories li a:hover{color:var(--color-primary)}.site-footer .search-form{border-color:var(--color-border);background-color:#fff}.footer-bottom{padding:var(--spacing-lg) 0;text-align:center;font-size:.82rem;color:var(--color-text-muted)}.footer-bottom a{color:var(--color-text-muted)}.footer-bottom a:hover{color:var(--color-primary)}@media (max-width:1023px){.card-grid{grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg)}.footer-widgets{grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}.single-layout{gap:var(--spacing-xl)}}@media (max-width:767px){.header-inner{height:48px;gap:var(--spacing-sm);padding:0 var(--spacing-md)}.nav-toggle{display:flex}.site-nav{margin-left:0}.nav-menu{display:none;position:absolute;top:48px;left:0;right:0;background-color:#fff;flex-direction:column;padding:var(--spacing-md);gap:2px;border-bottom:1px solid var(--color-border-light);box-shadow:var(--shadow-md)}.nav-menu.active{display:flex}.nav-menu li.current-menu-item a::after{display:none}.header-search{flex:1;max-width:none;margin-left:0}.header-search .search-form{width:100%}.header-search .search-form-input{width:100%;min-width:0}.card-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md);padding:0 var(--spacing-md)}.page-header{padding:var(--spacing-3xl) var(--spacing-md) var(--spacing-2xl)}.page-header-title{font-size:1.4rem}.single-layout{flex-direction:column}.single-cover{max-width:240px;margin:0 auto}.single-container{padding:var(--spacing-xl) var(--spacing-md)}.footer-widgets{grid-template-columns:1fr;gap:var(--spacing-lg)}}@media (max-width:479px){.card-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-sm)}.single-title{font-size:1.35rem}.pagination .page-numbers{min-width:34px;height:34px;font-size:.82rem}}.landing-hero{background:linear-gradient(135deg,#f0f4ff 0%,#e8f0fe 100%);padding:var(--spacing-4xl) var(--spacing-lg)}.landing-hero-inner{max-width:1000px;margin:0 auto;display:flex;gap:var(--spacing-3xl);align-items:center}.landing-hero-cover{flex:0 0 280px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}.landing-hero-cover img{width:100%;display:block}.landing-hero-cover .card-cover-placeholder{position:relative;padding-top:100%}.landing-hero-cover .card-cover-placeholder span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.landing-hero-info{flex:1;min-width:0}.landing-hero-title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-md);line-height:1.3;letter-spacing:-.5px}.landing-hero-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-md);margin-bottom:var(--spacing-xl);color:var(--color-text-secondary);font-size:.95rem}.landing-hero-meta span{display:inline-flex;align-items:center;gap:4px}.landing-hero-meta .meta-sep{color:var(--color-border)}.landing-hero-actions{display:flex;gap:var(--spacing-md);flex-wrap:wrap}.landing-section{max-width:1000px;margin:0 auto;padding:var(--spacing-3xl) var(--spacing-lg)}.landing-section-title{font-size:1.35rem;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--color-primary);display:inline-block}.landing-section .card-grid{max-width:none;margin:0;padding:0}@media (max-width:767px){.landing-hero{padding:var(--spacing-2xl) var(--spacing-md)}.landing-hero-inner{flex-direction:column;text-align:center}.landing-hero-cover{flex:0 0 auto;max-width:200px;margin:0 auto}.landing-hero-title{font-size:1.5rem}.landing-hero-meta{justify-content:center}.landing-hero-actions{justify-content:center}.landing-section{padding:var(--spacing-xl) var(--spacing-md)}}