/* ============================================================
   WPS 主题3 - 极简雅黑 (Minimalist Elegance)
   专业文档创作引擎
   ============================================================ */

:root {
  --color-bg: #fafafa; --color-bg-alt: #f5f5f5;
  --color-bg-card: #ffffff; --color-bg-elevated: #fafafa;
  --color-primary: #171717; --color-primary-dark: #0a0a0a;
  --color-primary-light: #f5f5f5; --color-primary-glow: rgba(23,23,23,0.08);
  --color-primary-gradient: linear-gradient(135deg, #171717 0%, #404040 50%, #737373 100%);
  --color-accent: #525252; --color-accent-light: #fafafa;
  --color-success: #22c55e; --color-warning: #f59e0b; --color-danger: #ef4444;
  --color-white: #ffffff; --color-text: #0a0a0a; --color-text-secondary: #525252;
  --color-text-muted: #a3a3a3; --color-border: #d4d4d4; --color-border-light: #e5e5e5;
  --color-footer-bg: #0a0a0a; --color-footer-text: #a3a3a3;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.03); --shadow-md: 0 4px 16px rgba(0,0,0,0.04);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.06); --shadow-xl: 0 16px 48px rgba(0,0,0,0.08);
  --shadow-glow: 0 4px 24px rgba(23,23,23,0.1);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-size-xs: 0.75rem; --font-size-sm: 0.875rem; --font-size-base: 1rem;
  --font-size-lg: 1.125rem; --font-size-xl: 1.25rem; --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem; --font-size-4xl: 2.25rem; --font-size-5xl: 3rem;
  --spacing-xs: 0.25rem; --spacing-sm: 0.5rem; --spacing-md: 1rem;
  --spacing-lg: 1.5rem; --spacing-xl: 2rem; --spacing-2xl: 3rem;
  --spacing-3xl: 4rem; --spacing-4xl: 5rem;
  --max-width: 1240px; --nav-height: 72px;
  --border-radius-sm: 2px; --border-radius-md: 4px;
  --border-radius-lg: 8px; --border-radius-full: 9999px;
  --transition-fast: 150ms ease; --transition-base: 250ms ease;
  --transition-slow: 450ms cubic-bezier(0.16,1,0.3,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--color-primary-dark)}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit;border:none;outline:none;background:none}
input,textarea,select{font-family:inherit;font-size:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-xl)}

.section{padding:var(--spacing-4xl) 0}
.section-header{text-align:center;margin-bottom:var(--spacing-3xl)}
.section-subtitle{display:inline-block;font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.15em;margin-bottom:var(--spacing-sm);padding:4px 0;border-bottom:2px solid var(--color-primary)}
.section-title{font-size:var(--font-size-4xl);font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-md);line-height:1.3;letter-spacing:-0.02em}
.section-desc{font-size:var(--font-size-lg);color:var(--color-text-secondary);max-width:650px;margin:0 auto;line-height:1.8}
.text-center{text-align:center}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 36px;font-size:var(--font-size-sm);font-weight:600;letter-spacing:0.03em;border-radius:var(--border-radius-sm);transition:all var(--transition-base);white-space:nowrap;cursor:pointer;border:2px solid transparent;text-decoration:none;text-transform:uppercase}
.btn-primary{background:var(--color-primary);color:var(--color-white)}
.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);color:var(--color-white)}
.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}
.btn-outline:hover{background:var(--color-primary);color:var(--color-white)}
.btn-white{background:var(--color-white);color:var(--color-primary)}
.btn-white:hover{background:var(--color-bg-alt)}
.btn-lg{padding:17px 44px;font-size:var(--font-size-base)}

.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border-light);transition:all var(--transition-base);height:var(--nav-height)}
.nav.scrolled{border-bottom:1px solid var(--color-border)}
.nav-inner{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-xl);display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:var(--font-size-lg);font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:-0.03em}
.nav-logo:hover{color:var(--color-primary)}
.nav-logo-icon{width:34px;height:34px;background:var(--color-primary);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:0.9rem}
.nav-menu{display:flex;align-items:center;gap:0}
.nav-link{display:flex;align-items:center;gap:4px;padding:8px 16px;font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);transition:all var(--transition-fast);text-decoration:none}
.nav-link:hover,.nav-link.active{color:var(--color-primary)}
.nav-link .arrow{font-size:8px;transition:transform var(--transition-fast);opacity:0.4}
.nav-item:hover .nav-link .arrow{transform:rotate(180deg);opacity:1}
.nav-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:var(--color-white);padding:8px;min-width:200px;opacity:0;visibility:hidden;transition:all var(--transition-base);border:1px solid var(--color-border-light);box-shadow:0 20px 60px rgba(0,0,0,0.08)}
.nav-item:hover .nav-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(4px)}
.nav-dropdown a{display:flex;align-items:center;gap:8px;padding:10px 16px;font-size:var(--font-size-sm);color:var(--color-text-secondary);text-decoration:none;transition:all var(--transition-fast)}
.nav-dropdown a:hover{color:var(--color-primary);background:var(--color-bg-alt)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--color-text);transition:all var(--transition-fast)}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-menu{position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;background:var(--color-white);z-index:999;padding:var(--spacing-xl);overflow-y:auto;transform:translateX(100%);transition:transform var(--transition-base);display:none}
.mobile-menu.active{transform:translateX(0)}
.mobile-menu a{display:block;padding:14px 0;font-size:var(--font-size-lg);color:var(--color-text);border-bottom:1px solid var(--color-border-light);text-decoration:none;font-weight:500}
.mobile-sub{padding-left:var(--spacing-xl)}
.mobile-sub a{font-size:var(--font-size-base);color:var(--color-text-secondary)}
.skip-link{position:absolute;top:-100px;left:var(--spacing-xl);z-index:1001;padding:10px 20px;background:var(--color-primary);color:#fff;font-weight:600;transition:top 0.3s}
.skip-link:focus{top:0}

/* Hero - minimal */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--color-bg);margin-top:var(--nav-height)}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 30%, rgba(0,0,0,0.02) 0%, transparent 70%)}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity 0.8s ease,visibility 0.8s ease;z-index:1}
.hero-slide:first-child{opacity:1;visibility:visible}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:0 var(--spacing-xl)}
.hero-badge{display:inline-block;font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.2em;margin-bottom:var(--spacing-2xl)}
.hero-title{font-size:clamp(2.8rem,7vw,5rem);font-weight:700;color:var(--color-text);line-height:1.1;margin-bottom:var(--spacing-xl);letter-spacing:-0.03em}
.hero-title span{color:var(--color-text-secondary);font-weight:300}
.hero-desc{font-size:var(--font-size-lg);color:var(--color-text-muted);margin-bottom:var(--spacing-3xl);line-height:1.8;max-width:550px;margin-left:auto;margin-right:auto}
.hero-buttons{display:flex;gap:var(--spacing-lg);justify-content:center;flex-wrap:wrap}
.hero-indicators{position:absolute;bottom:40px;left:50%;transform:translateX(-50%);display:flex;gap:16px;z-index:2}
.hero-dot{width:6px;height:6px;border-radius:50%;background:var(--color-border);cursor:pointer;transition:all var(--transition-base)}
.hero-dot.active{background:var(--color-primary);width:24px;border-radius:3px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light)}
.stat-item{text-align:center;padding:var(--spacing-2xl);border-right:1px solid var(--color-border-light)}
.stat-item:last-child{border-right:none}
.stat-number{font-size:var(--font-size-4xl);font-weight:700;color:var(--color-text);line-height:1.2;margin-bottom:var(--spacing-sm)}
.stat-label{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.1em}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-4xl);align-items:center}
.about-image-wrap{position:relative}
.about-image{border-radius:var(--border-radius-sm);overflow:hidden;background:var(--color-bg-alt);height:420px;display:flex;align-items:center;justify-content:center;font-size:5rem}
.about-experience{position:absolute;bottom:-16px;right:-16px;background:var(--color-primary);color:var(--color-white);padding:20px 28px;text-align:center}
.about-experience .number{font-size:var(--font-size-3xl);font-weight:700;line-height:1}
.about-experience .label{font-size:var(--font-size-xs);opacity:0.8;margin-top:4px;text-transform:uppercase;letter-spacing:0.1em}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-lg);margin-top:var(--spacing-xl)}
.about-feature{display:flex;gap:12px;align-items:flex-start;padding:0}
.about-feature-icon{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.about-feature h4{font-size:var(--font-size-base);font-weight:600;margin-bottom:4px}
.about-feature p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6}

/* Products */
.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--color-border-light)}
.product-card{background:var(--color-white);padding:var(--spacing-3xl);border-right:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light);transition:background var(--transition-base)}
.product-card:nth-child(even){border-right:none}
.product-card:nth-child(n+3){border-bottom:none}
.product-card:hover{background:var(--color-bg-alt)}
.product-icon{font-size:2rem;margin-bottom:var(--spacing-xl);opacity:0.6}
.product-card h3{font-size:var(--font-size-xl);font-weight:600;margin-bottom:var(--spacing-sm);letter-spacing:-0.02em}
.product-card p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--spacing-lg)}
.product-tags{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:var(--spacing-lg)}
.product-tag{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.08em}
.product-link{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text);display:inline-flex;align-items:center;gap:8px;text-decoration:none;text-transform:uppercase;letter-spacing:0.05em}
.product-link:hover{color:var(--color-text-muted)}
.product-link::after{content:'→';transition:transform var(--transition-fast)}
.product-link:hover::after{transform:translateX(4px)}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--color-border-light)}
.news-card{background:var(--color-white);border-right:1px solid var(--color-border-light);transition:background var(--transition-base)}
.news-card:last-child{border-right:none}
.news-card:hover{background:var(--color-bg-alt)}
.news-image{height:200px;background:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;font-size:3rem;opacity:0.5}
.news-body{padding:var(--spacing-2xl)}
.news-category{display:inline-block;font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--color-text-muted);margin-bottom:var(--spacing-md)}
.news-body h3{font-size:var(--font-size-lg);font-weight:600;margin-bottom:var(--spacing-sm);line-height:1.5;letter-spacing:-0.01em}
.news-body h3 a{color:var(--color-text);text-decoration:none}
.news-body h3 a:hover{color:var(--color-text-secondary)}
.news-excerpt{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--spacing-md)}
.news-meta{font-size:var(--font-size-xs);color:var(--color-text-muted);display:flex;gap:var(--spacing-lg)}

/* Cases */
.cases-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:1px solid var(--color-border-light)}
.case-card{background:var(--color-white);padding:var(--spacing-3xl);border-right:1px solid var(--color-border-light);border-bottom:1px solid var(--color-border-light);transition:background var(--transition-base)}
.case-card:nth-child(even){border-right:none}
.case-card:nth-child(n+3){border-bottom:none}
.case-card:hover{background:var(--color-bg-alt)}
.case-header{display:flex;align-items:center;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}
.case-logo{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text);opacity:0.3}
.case-company h4{font-size:var(--font-size-base);font-weight:600;letter-spacing:-0.01em}
.case-company span{font-size:var(--font-size-xs);color:var(--color-text-muted)}
.case-quote{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.8;margin-bottom:var(--spacing-xl)}
.case-results{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);border-top:1px solid var(--color-border-light);padding-top:var(--spacing-xl)}
.case-result .val{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-text)}
.case-result .lbl{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.08em;margin-top:4px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-4xl)}
.contact-info h3{font-size:var(--font-size-2xl);font-weight:600;margin-bottom:var(--spacing-md);letter-spacing:-0.02em}
.contact-info > p{color:var(--color-text-secondary);line-height:1.8;margin-bottom:var(--spacing-2xl)}
.contact-items{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--color-border-light)}
.contact-item{display:flex;gap:var(--spacing-lg);align-items:flex-start;padding:var(--spacing-xl) 0;border-bottom:1px solid var(--color-border-light)}
.contact-item-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0;opacity:0.5}
.contact-item h4{font-size:var(--font-size-sm);font-weight:600;margin-bottom:4px}
.contact-item p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6}
.contact-form{background:var(--color-bg-alt);padding:var(--spacing-3xl)}
.contact-form h3{margin-bottom:var(--spacing-2xl);font-size:var(--font-size-xl);font-weight:600;letter-spacing:-0.02em}
.form-group{margin-bottom:var(--spacing-xl)}
.form-group label{display:block;font-size:var(--font-size-xs);font-weight:600;margin-bottom:8px;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:0.1em}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 0;font-size:var(--font-size-base);border:none;border-bottom:1px solid var(--color-border);background:transparent;color:var(--color-text);transition:border-color var(--transition-fast)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-bottom-color:var(--color-primary)}
.form-group textarea{min-height:120px;resize:vertical}

/* CTA */
.cta-section{background:var(--color-primary);padding:var(--spacing-4xl) 0;text-align:center}
.cta-section h2{color:var(--color-white);font-size:var(--font-size-4xl);font-weight:600;margin-bottom:var(--spacing-md);letter-spacing:-0.03em}
.cta-section p{color:rgba(255,255,255,0.6);font-size:var(--font-size-lg);margin-bottom:var(--spacing-2xl)}

/* Footer */
.footer{background:var(--color-footer-bg);padding:var(--spacing-4xl) 0 0;color:var(--color-footer-text)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--spacing-2xl);padding-bottom:var(--spacing-3xl);border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand p{font-size:var(--font-size-sm);margin-top:var(--spacing-md);line-height:1.8;opacity:0.5}
.footer-col h4{color:var(--color-white);font-size:var(--font-size-sm);font-weight:600;margin-bottom:var(--spacing-lg);text-transform:uppercase;letter-spacing:0.1em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--color-footer-text);font-size:var(--font-size-sm);text-decoration:none;transition:color var(--transition-fast)}
.footer-col a:hover{color:var(--color-white)}
.footer-bottom{padding:var(--spacing-xl) 0;text-align:center;font-size:var(--font-size-xs);opacity:0.4}

/* Page Banner */
.page-banner{background:var(--color-bg-alt);padding:var(--spacing-4xl) 0 var(--spacing-3xl);margin-top:var(--nav-height);text-align:center}
.page-banner-content{position:relative}
.page-banner h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:600;margin-bottom:var(--spacing-md);letter-spacing:-0.03em}
.page-banner h1 span{font-weight:300;color:var(--color-text-secondary)}
.page-banner p{font-size:var(--font-size-base);color:var(--color-text-muted);max-width:500px;margin:0 auto}
.breadcrumb{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:var(--spacing-lg);text-transform:uppercase;letter-spacing:0.1em}
.breadcrumb a{color:var(--color-text-muted);text-decoration:none}
.breadcrumb a:hover{color:var(--color-text)}
.breadcrumb .sep{margin:0 8px;opacity:0.4}

/* Timeline */
.timeline{max-width:800px;margin:0 auto;position:relative}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:var(--color-border)}
.timeline-item{display:flex;margin-bottom:var(--spacing-xl);position:relative;padding-left:var(--spacing-2xl)}
.timeline-dot{width:8px;height:8px;background:var(--color-primary);position:absolute;left:-4px;top:8px;border-radius:50%}
.timeline-content h4{font-size:var(--font-size-base);font-weight:600;color:var(--color-text);margin-bottom:var(--spacing-xs)}
.timeline-content p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6}

/* Values */
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--color-border-light)}
.value-card{background:var(--color-white);padding:var(--spacing-3xl);text-align:center;transition:background var(--transition-base)}
.value-card:hover{background:var(--color-bg-alt)}
.value-icon{font-size:2rem;margin-bottom:var(--spacing-lg);opacity:0.4}
.value-card h4{font-size:var(--font-size-base);font-weight:600;margin-bottom:var(--spacing-sm);letter-spacing:-0.01em}
.value-card p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.7}

/* Honors */
.honors-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1px;background:var(--color-border-light)}
.honor-card{background:var(--color-white);padding:var(--spacing-2xl);text-align:center;transition:background var(--transition-base)}
.honor-card:hover{background:var(--color-bg-alt)}
.honor-icon{font-size:2rem;margin-bottom:var(--spacing-md);opacity:0.4}
.honor-card h4{font-size:var(--font-size-sm);font-weight:600;margin-bottom:var(--spacing-xs)}
.honor-card span{font-size:var(--font-size-xs);color:var(--color-text-muted)}

/* Team */
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--color-border-light)}
.team-card{background:var(--color-white);padding:var(--spacing-2xl);text-align:center;transition:background var(--transition-base)}
.team-card:hover{background:var(--color-bg-alt)}
.team-avatar{width:60px;height:60px;border-radius:50%;background:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin:0 auto var(--spacing-lg);opacity:0.5}
.team-card h4{font-size:var(--font-size-base);font-weight:600;margin-bottom:2px}
.team-card .role{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:0.08em}
.team-card .bio{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6}

/* News Layout */
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:var(--spacing-2xl)}
.news-list-item{display:flex;gap:var(--spacing-2xl);padding:var(--spacing-2xl) 0;border-bottom:1px solid var(--color-border-light);transition:border-color var(--transition-base)}
.news-list-item:first-child{padding-top:0}
.news-list-item:hover{border-bottom-color:var(--color-primary)}
.news-list-image{width:80px;height:80px;background:var(--color-bg-alt);display:flex;align-items:center;justify-content:center;font-size:2rem;flex-shrink:0;opacity:0.5}
.news-list-content{flex:1}
.news-list-content h3{font-size:var(--font-size-lg);font-weight:600;margin-bottom:var(--spacing-sm);letter-spacing:-0.01em}
.news-list-content h3 a{color:var(--color-text);text-decoration:none}
.news-list-content h3 a:hover{color:var(--color-text-secondary)}
.news-list-content p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--spacing-md)}
.news-sidebar{position:sticky;top:calc(var(--nav-height) + var(--spacing-xl))}
.sidebar-widget{padding:0 0 var(--spacing-xl);margin-bottom:var(--spacing-xl);border-bottom:1px solid var(--color-border-light)}
.sidebar-widget:last-child{border-bottom:none}
.sidebar-widget h4{font-size:var(--font-size-xs);font-weight:600;margin-bottom:var(--spacing-lg);text-transform:uppercase;letter-spacing:0.1em;color:var(--color-text-muted)}
.sidebar-widget ul li{margin-bottom:8px}
.sidebar-widget ul li a{font-size:var(--font-size-sm);color:var(--color-text-secondary);text-decoration:none}
.sidebar-widget ul li a:hover{color:var(--color-text)}
.sidebar-tag{display:inline-block;padding:3px 10px;margin:0 8px 8px 0;font-size:var(--font-size-xs);color:var(--color-text-muted);text-decoration:none}
.sidebar-tag:hover{color:var(--color-text)}

/* Pagination */
.pagination{display:flex;gap:2px;justify-content:center;margin-top:var(--spacing-2xl)}
.pagination a,.pagination span{padding:8px 16px;font-size:var(--font-size-sm);font-weight:500;text-decoration:none;color:var(--color-text-muted)}
.pagination .active{color:var(--color-text);font-weight:600}
.pagination a:hover{color:var(--color-text)}

/* Downloads */
.downloads-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--color-border-light)}
.download-card{background:var(--color-white);padding:var(--spacing-3xl);text-align:center;transition:background var(--transition-base)}
.download-card.featured{position:relative}
.download-card.featured::after{content:'RECOMMENDED';position:absolute;top:16px;right:16px;font-size:9px;font-weight:600;letter-spacing:0.15em;color:var(--color-text-muted)}
.download-card:hover{background:var(--color-bg-alt)}
.download-platform{font-size:3rem;margin-bottom:var(--spacing-lg);opacity:0.3}
.download-card h3{font-size:var(--font-size-lg);font-weight:600;margin-bottom:var(--spacing-sm)}
.download-version{display:inline-block;font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:var(--spacing-lg);text-transform:uppercase;letter-spacing:0.1em}
.download-specs{display:flex;justify-content:center;gap:var(--spacing-xl);font-size:var(--font-size-xs);color:var(--color-text-muted);margin-bottom:var(--spacing-xl)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--color-border-light)}
.faq-item:first-child{border-top:1px solid var(--color-border-light)}
.faq-question{width:100%;padding:var(--spacing-lg) 0;font-size:var(--font-size-base);font-weight:500;text-align:left;display:flex;justify-content:space-between;align-items:center;color:var(--color-text)}
.faq-icon{font-size:var(--font-size-xl);transition:transform var(--transition-base);font-weight:300}
.faq-item.active .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:all var(--transition-base)}
.faq-item.active .faq-answer{padding-bottom:var(--spacing-lg);max-height:300px}
.faq-answer p{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.8}

/* Filter */
.filter-bar{display:flex;gap:0;margin-bottom:var(--spacing-3xl)}
.filter-btn{padding:12px 24px;font-size:var(--font-size-sm);font-weight:500;border-bottom:2px solid transparent;color:var(--color-text-muted);cursor:pointer;transition:all var(--transition-fast);flex:1;text-align:center}
.filter-btn.active,.filter-btn:hover{color:var(--color-text);border-bottom-color:var(--color-primary)}

/* Back to Top */
.back-to-top{position:fixed;bottom:40px;right:40px;width:44px;height:44px;background:var(--color-primary);color:var(--color-white);display:flex;align-items:center;justify-content:center;font-size:var(--font-size-lg);font-weight:300;z-index:99;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{background:var(--color-primary-dark)}

/* Animations */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}
.fade-in-left{opacity:0;transform:translateX(-30px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in-left.visible{opacity:1;transform:translateX(0)}
.fade-in-right{opacity:0;transform:translateX(30px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in-right.visible{opacity:1;transform:translateX(0)}

@media (max-width:1024px){
  .products-grid,.cases-grid{grid-template-columns:1fr}
  .product-card,.case-card{border-right:none}
  .product-card:nth-child(n+3){border-bottom:1px solid var(--color-border-light)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .values-grid,.team-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-layout{grid-template-columns:1fr}
  .news-sidebar{position:static}
  .downloads-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .mobile-menu{display:block}
  .section{padding:var(--spacing-3xl) 0}
  .section-title{font-size:var(--font-size-3xl)}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-title{font-size:2.2rem}
}