.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--bg-white);transition:all var(--transition-normal);box-shadow:0 2px 10px #0000000d}.header.scrolled{box-shadow:var(--shadow-md);background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-content{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) 0}.logo{display:flex;align-items:center;gap:var(--spacing-xs);cursor:pointer;transition:var(--transition-fast)}.logo:hover{transform:translateY(-2px)}.logo-icon{font-size:2rem;line-height:1}.logo-text{display:flex;flex-direction:column;line-height:1.2}.logo-title{font-size:1.25rem;font-weight:700;color:var(--primary-color)}.logo-subtitle{font-size:.875rem;color:var(--text-secondary);font-weight:500}.nav-desktop{display:flex;gap:var(--spacing-lg)}.nav-desktop a{color:var(--text-primary);font-weight:500;font-size:1rem;position:relative;padding:var(--spacing-xs) 0}.nav-desktop a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gradient-primary);transition:var(--transition-fast)}.nav-desktop a:hover{color:var(--primary-color)}.nav-desktop a:hover:after{width:100%}.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:transparent;padding:var(--spacing-xs);cursor:pointer}.mobile-menu-btn span{width:25px;height:3px;background:var(--text-primary);border-radius:var(--radius-full);transition:var(--transition-fast)}.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(7px,7px)}.mobile-menu-btn.active span:nth-child(2){opacity:0}.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.nav-mobile{display:none;flex-direction:column;gap:var(--spacing-sm);padding:var(--spacing-md) 0;max-height:0;overflow:hidden;transition:max-height var(--transition-normal)}.nav-mobile.active{max-height:300px}.nav-mobile a{color:var(--text-primary);font-weight:500;font-size:1rem;padding:var(--spacing-xs) 0;border-left:3px solid transparent;padding-left:var(--spacing-sm);transition:var(--transition-fast)}.nav-mobile a:hover{color:var(--primary-color);border-left-color:var(--primary-color);padding-left:var(--spacing-md)}@media (max-width: 768px){.nav-desktop{display:none}.mobile-menu-btn,.nav-mobile{display:flex}}.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:80px;overflow:hidden}.hero-background{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#fff5f0,#ffe5db,#fff);z-index:-1}.hero-pattern{position:absolute;top:0;left:0;right:0;bottom:0;background-image:radial-gradient(circle at 20% 50%,rgba(255,69,0,.05) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(255,165,0,.05) 0%,transparent 50%)}.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-2xl);align-items:center}.hero-content{animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-badge{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-md);background:var(--bg-white);border-radius:var(--radius-full);box-shadow:var(--shadow-sm);font-size:.875rem;color:var(--text-secondary);margin-bottom:var(--spacing-md);animation:fadeInUp .8s ease-out .2s both}.badge-icon{font-size:1rem}.hero-title{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.title-main{font-size:3.5rem;font-weight:800;color:var(--text-primary);line-height:1.2;animation:fadeInUp .8s ease-out .3s both}.title-gradient{font-size:3rem;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;animation:fadeInUp .8s ease-out .4s both}.hero-description{font-size:1.125rem;color:var(--text-secondary);line-height:1.8;margin-bottom:var(--spacing-xl);animation:fadeInUp .8s ease-out .5s both}.hero-buttons{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-2xl);animation:fadeInUp .8s ease-out .6s both}.btn{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-xl);font-size:1rem;font-weight:600;border-radius:var(--radius-lg);transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--gradient-primary);color:var(--bg-white);box-shadow:0 4px 15px #ff45004d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ff450066}.btn-primary .btn-icon{transition:var(--transition-fast)}.btn-primary:hover .btn-icon{transform:translate(4px)}.btn-secondary{background:var(--bg-white);color:var(--text-primary);box-shadow:var(--shadow-md)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:var(--primary-color)}.hero-stats{display:flex;align-items:center;gap:var(--spacing-lg);animation:fadeInUp .8s ease-out .7s both}.stat-item{text-align:center}.stat-number{font-size:2rem;font-weight:700;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2;margin-bottom:var(--spacing-xs)}.stat-label{font-size:.875rem;color:var(--text-secondary)}.stat-divider{width:1px;height:40px;background:var(--bg-gray)}.hero-visual{position:relative;height:500px;animation:fadeIn 1s ease-out .5s both}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.visual-card{position:absolute;background:var(--bg-white);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);transition:var(--transition-normal);animation:float 3s ease-in-out infinite}.visual-card:hover{transform:translateY(-10px) scale(1.05);box-shadow:var(--shadow-xl)}.card-1{top:50px;left:50px;animation-delay:0s}.card-2{top:200px;right:80px;animation-delay:.5s}.card-3{bottom:80px;left:100px;animation-delay:1s}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.card-icon{font-size:3rem}.card-title{font-size:1rem;font-weight:600;color:var(--text-primary)}.visual-circle{position:absolute;border-radius:50%;background:var(--gradient-primary);opacity:.1;animation:pulse 4s ease-in-out infinite}.circle-1{width:300px;height:300px;top:0;right:0;animation-delay:0s}.circle-2{width:200px;height:200px;bottom:50px;right:150px;animation-delay:1s}@keyframes pulse{0%,to{transform:scale(1);opacity:.1}50%{transform:scale(1.1);opacity:.15}}@media (max-width: 1024px){.hero .container{grid-template-columns:1fr;gap:var(--spacing-xl)}.hero-visual{height:400px}.title-main{font-size:3rem}.title-gradient{font-size:2.5rem}}@media (max-width: 768px){.hero{min-height:auto;padding:100px 0 var(--spacing-2xl)}.title-main{font-size:2.5rem}.title-gradient{font-size:2rem}.hero-description{font-size:1rem}.hero-buttons{flex-direction:column}.btn{width:100%;justify-content:center}.hero-stats{flex-wrap:wrap;justify-content:center}.hero-visual{display:none}}@media (max-width: 480px){.title-main{font-size:2rem}.title-gradient{font-size:1.75rem}.stat-number{font-size:1.5rem}.stat-label{font-size:.75rem}}.about{background:var(--bg-white)}.about-content{display:grid;grid-template-columns:2fr 1fr;gap:var(--spacing-xl)}.about-main{display:flex;flex-direction:column;gap:var(--spacing-lg)}.about-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:var(--transition-normal);border:1px solid var(--bg-gray)}.about-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary-lighter)}.highlight-card{background:linear-gradient(135deg,#fff5f0,#ffe5db);border:2px solid var(--primary-lighter)}.card-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.card-icon-large{font-size:3rem;line-height:1}.card-header h3{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.highlight-card p{font-size:1.125rem;line-height:1.8;color:var(--text-secondary)}.about-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}.about-grid .about-card{display:flex;flex-direction:column;gap:var(--spacing-sm)}.card-icon{font-size:2.5rem;line-height:1}.about-grid h4{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.about-grid p{font-size:.9375rem;color:var(--text-secondary);line-height:1.6}.about-info{display:flex;flex-direction:column;gap:var(--spacing-md)}.info-card{background:var(--bg-light);border-radius:var(--radius-md);padding:var(--spacing-md);border-left:4px solid var(--primary-color);transition:var(--transition-fast)}.info-card:hover{background:var(--bg-white);box-shadow:var(--shadow-sm);transform:translate(5px)}.info-label{font-size:.875rem;color:var(--text-light);margin-bottom:var(--spacing-xs);font-weight:500}.info-value{font-size:1.125rem;color:var(--text-primary);font-weight:600;line-height:1.4}@media (max-width: 1024px){.about-content{grid-template-columns:1fr}.about-info{grid-template-columns:repeat(2,1fr);display:grid}}@media (max-width: 768px){.about-grid,.about-info{grid-template-columns:1fr}.card-header h3{font-size:1.5rem}.highlight-card p{font-size:1rem}}@media (max-width: 480px){.card-icon-large{font-size:2.5rem}.card-icon{font-size:2rem}.about-grid h4{font-size:1.125rem}}.features{position:relative;background:var(--bg-light)}.features-background{position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 10% 20%,rgba(255,69,0,.03) 0%,transparent 50%),radial-gradient(circle at 90% 80%,rgba(255,165,0,.03) 0%,transparent 50%);pointer-events:none}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-lg);margin-bottom:var(--spacing-2xl)}.feature-card{position:relative;background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);overflow:hidden;animation:fadeInUp .6s ease-out both}.feature-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-xl)}.feature-card:hover .feature-hover-effect{transform:scale(1);opacity:1}.feature-hover-effect{position:absolute;top:0;left:0;right:0;bottom:0;background:var(--gradient-primary);opacity:0;transform:scale(.8);transition:all var(--transition-normal);z-index:0;border-radius:var(--radius-lg)}.feature-card:hover .feature-icon-wrapper,.feature-card:hover .feature-title,.feature-card:hover .feature-description{position:relative;z-index:1}.feature-card:hover .feature-title,.feature-card:hover .feature-description{color:var(--bg-white)}.feature-icon-wrapper{position:relative;width:80px;height:80px;margin-bottom:var(--spacing-md)}.feature-icon-bg{position:absolute;top:0;left:0;width:100%;height:100%;border-radius:var(--radius-lg);transition:var(--transition-normal)}.feature-card:hover .feature-icon-bg{background:#fff3!important;transform:rotate(10deg) scale(1.1)}.feature-icon{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:2.5rem;transition:var(--transition-normal)}.feature-card:hover .feature-icon{transform:scale(1.1) rotate(-10deg)}.feature-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-sm);transition:var(--transition-normal)}.feature-description{font-size:1rem;color:var(--text-secondary);line-height:1.6;transition:var(--transition-normal)}.features-cta{background:var(--gradient-primary);border-radius:var(--radius-xl);padding:var(--spacing-xl);display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-lg);animation:fadeInUp .6s ease-out .6s both}.cta-content h3{font-size:1.75rem;font-weight:700;color:var(--bg-white);margin-bottom:var(--spacing-xs)}.cta-content p{font-size:1rem;color:#ffffffe6}.features-cta .btn-primary{background:var(--bg-white);color:var(--primary-color);box-shadow:0 4px 15px #0003}.features-cta .btn-primary:hover{background:var(--bg-light);transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}@media (max-width: 1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 768px){.features-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.features-cta{flex-direction:column;gap:var(--spacing-md);text-align:center}.features-cta .btn-primary{width:100%;justify-content:center}.cta-content h3{font-size:1.5rem}.cta-content p{font-size:.9375rem}}@media (max-width: 480px){.feature-card{padding:var(--spacing-lg)}.feature-icon-wrapper{width:60px;height:60px}.feature-icon{font-size:2rem}.feature-title{font-size:1.25rem}.feature-description{font-size:.9375rem}.cta-content h3{font-size:1.25rem}}.categories{background:var(--bg-white)}.categories-content{display:grid;grid-template-columns:300px 1fr;gap:var(--spacing-xl);min-height:500px}.categories-nav{display:flex;flex-direction:column;gap:var(--spacing-sm)}.category-nav-item{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-light);border:2px solid transparent;border-radius:var(--radius-lg);text-align:left;transition:all var(--transition-fast);cursor:pointer}.category-nav-item:hover{background:var(--bg-white);border-color:var(--primary-lighter);transform:translate(5px)}.category-nav-item.active{background:var(--bg-white);border-color:var(--category-color);box-shadow:var(--shadow-md);transform:translate(5px)}.category-nav-icon{font-size:2rem;line-height:1}.category-nav-name{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.category-nav-item.active .category-nav-name{color:var(--primary-color)}.categories-display{position:relative;background:var(--bg-light);border-radius:var(--radius-xl);padding:var(--spacing-xl);min-height:500px}.category-panel{position:absolute;top:var(--spacing-xl);left:var(--spacing-xl);right:var(--spacing-xl);bottom:var(--spacing-xl);opacity:0;visibility:hidden;transition:all var(--transition-normal);display:flex;flex-direction:column}.category-panel.active{opacity:1;visibility:visible;animation:fadeInRight .5s ease-out}@keyframes fadeInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.category-panel-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}.category-panel-icon{font-size:4rem;line-height:1}.category-panel-title{font-size:2rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.category-panel-description{font-size:1.125rem;color:var(--text-secondary)}.category-items{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-md);flex:1}.category-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--bg-white);border-radius:var(--radius-md);transition:all var(--transition-fast);animation:fadeInUp .4s ease-out both}.category-item:hover{transform:translate(5px);box-shadow:var(--shadow-sm);background:linear-gradient(135deg,var(--bg-white) 0%,var(--primary-lighter) 100%)}.item-bullet{width:8px;height:8px;background:var(--gradient-primary);border-radius:50%;flex-shrink:0}.item-name{font-size:1rem;font-weight:500;color:var(--text-primary)}.category-visual{position:absolute;bottom:var(--spacing-xl);right:var(--spacing-xl);opacity:.1;pointer-events:none}.visual-emoji{font-size:15rem;line-height:1;animation:float 3s ease-in-out infinite}@media (max-width: 1024px){.categories-content{grid-template-columns:250px 1fr}.category-panel-icon{font-size:3rem}.category-panel-title{font-size:1.75rem}.category-items{grid-template-columns:repeat(2,1fr)}.visual-emoji{font-size:10rem}}@media (max-width: 768px){.categories-content{grid-template-columns:1fr;gap:var(--spacing-md)}.categories-nav{flex-direction:row;overflow-x:auto;padding-bottom:var(--spacing-sm);gap:var(--spacing-xs)}.category-nav-item{flex-direction:column;min-width:100px;padding:var(--spacing-md);text-align:center;gap:var(--spacing-xs)}.category-nav-item:hover,.category-nav-item.active{transform:translateY(-5px)}.category-nav-icon{font-size:2.5rem}.category-nav-name{font-size:.875rem}.categories-display{min-height:600px}.category-panel-header{flex-direction:column;align-items:flex-start;text-align:left}.category-panel-icon{font-size:3rem}.category-panel-title{font-size:1.5rem}.category-panel-description{font-size:1rem}.category-items{grid-template-columns:1fr}.visual-emoji{font-size:8rem}}@media (max-width: 480px){.categories-display{padding:var(--spacing-md)}.category-panel{top:var(--spacing-md);left:var(--spacing-md);right:var(--spacing-md);bottom:var(--spacing-md)}.category-panel-icon{font-size:2.5rem}.category-panel-title{font-size:1.25rem}.category-panel-description{font-size:.9375rem}.category-item{padding:var(--spacing-sm)}.item-name{font-size:.9375rem}.visual-emoji{font-size:6rem}}.footer{background:var(--secondary-color);color:var(--bg-white)}.footer-main{padding:var(--spacing-2xl) 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:var(--spacing-xl)}.footer-section{display:flex;flex-direction:column;gap:var(--spacing-md)}.footer-logo{display:flex;align-items:center;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm)}.footer-logo .logo-icon{font-size:2rem;line-height:1}.footer-logo .logo-text{display:flex;flex-direction:column;line-height:1.2}.footer-logo .logo-title{font-size:1.25rem;font-weight:700;color:var(--bg-white)}.footer-logo .logo-subtitle{font-size:.875rem;color:#ffffffb3;font-weight:500}.footer-description{font-size:.9375rem;color:#ffffffb3;line-height:1.6}.footer-social{display:flex;gap:var(--spacing-sm);margin-top:var(--spacing-sm)}.social-link{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ffffff1a;border-radius:var(--radius-md);font-size:1.25rem;transition:var(--transition-fast)}.social-link:hover{background:var(--primary-color);transform:translateY(-3px)}.footer-title{font-size:1.125rem;font-weight:700;color:var(--bg-white);margin-bottom:var(--spacing-sm);position:relative;padding-bottom:var(--spacing-xs)}.footer-title:after{content:"";position:absolute;bottom:0;left:0;width:40px;height:3px;background:var(--gradient-primary);border-radius:var(--radius-full)}.footer-links{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-links a{color:#ffffffb3;font-size:.9375rem;transition:var(--transition-fast);display:inline-block}.footer-links a:hover{color:var(--bg-white);transform:translate(5px)}.footer-contact{list-style:none;display:flex;flex-direction:column;gap:var(--spacing-md)}.footer-contact li{display:flex;align-items:flex-start;gap:var(--spacing-sm);color:#ffffffb3;font-size:.9375rem;line-height:1.6}.contact-icon{font-size:1.125rem;flex-shrink:0}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:var(--spacing-lg) 0}.footer-bottom-content{display:flex;justify-content:space-between;align-items:center}.copyright{font-size:.875rem;color:#fff9}.footer-bottom-links{display:flex;align-items:center;gap:var(--spacing-sm)}.footer-bottom-links a{font-size:.875rem;color:#fff9;transition:var(--transition-fast)}.footer-bottom-links a:hover{color:var(--bg-white)}.footer-bottom-links .divider{color:#ffffff4d}@media (max-width: 1024px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-lg)}}@media (max-width: 768px){.footer-grid{grid-template-columns:1fr;gap:var(--spacing-xl)}.footer-bottom-content{flex-direction:column;gap:var(--spacing-md);text-align:center}.footer-bottom-links{flex-wrap:wrap;justify-content:center}}@media (max-width: 480px){.footer-main{padding:var(--spacing-xl) 0}.footer-social{justify-content:flex-start}.social-link{width:36px;height:36px;font-size:1.125rem}.footer-contact li{font-size:.875rem}.copyright,.footer-bottom-links a{font-size:.8125rem}}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #FF4500;--primary-dark: #CC3700;--primary-light: #FF6A33;--primary-lighter: #FFE5DB;--secondary-color: #2C3E50;--secondary-light: #34495E;--accent-color: #FFA500;--text-primary: #2C3E50;--text-secondary: #7F8C8D;--text-light: #95A5A6;--bg-white: #FFFFFF;--bg-light: #F8F9FA;--bg-gray: #ECF0F1;--gradient-primary: linear-gradient(135deg, #FF4500 0%, #FF6A33 100%);--gradient-overlay: linear-gradient(135deg, rgba(255, 69, 0, .9) 0%, rgba(255, 106, 51, .9) 100%);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .15);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .2);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--text-primary);background-color:var(--bg-white);line-height:1.6;overflow-x:hidden}html{scroll-behavior:smooth}a{text-decoration:none;color:inherit;transition:var(--transition-fast)}img{max-width:100%;height:auto;display:block}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:var(--transition-fast)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.text-center{text-align:center}.text-primary{color:var(--primary-color)}.bg-primary{background:var(--gradient-primary)}.section{padding:var(--spacing-2xl) 0}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:var(--spacing-md);color:var(--text-primary);text-align:center}.section-subtitle{font-size:1.125rem;color:var(--text-secondary);text-align:center;max-width:800px;margin:0 auto var(--spacing-xl);line-height:1.8}@media (max-width: 768px){:root{--spacing-xl: 2rem;--spacing-2xl: 3rem}.section-title{font-size:2rem}.section-subtitle{font-size:1rem}}@media (max-width: 480px){.section-title{font-size:1.75rem}.container{padding:0 var(--spacing-sm)}}