@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap";.header{position:fixed;top:0;left:0;right:0;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);z-index:1000;transition:var(--transition)}.header-container{max-width:1400px;margin:0 auto;padding:15px 20px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none;transition:var(--transition)}.logo:hover{transform:scale(1.05);color:var(--accent-color)}.logo-icon{font-size:2rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.logo-text{white-space:nowrap}.menu-toggle{display:none;flex-direction:column;gap:5px;background:transparent;padding:8px;z-index:1001}.menu-toggle span{display:block;width:25px;height:3px;background:var(--text-primary);transition:var(--transition);border-radius:3px}.menu-toggle.open span:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.nav{display:flex;align-items:center;gap:30px}.nav-link{color:var(--text-primary);font-weight:600;font-size:1rem;position:relative;padding:8px 0;transition:var(--transition)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:3px;background:var(--accent-color);transition:width .3s ease}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-link:hover,.nav-link.active{color:var(--accent-color)}.search-form{display:flex;align-items:center;gap:8px;background:var(--secondary-color);padding:8px 16px;border-radius:25px;transition:var(--transition)}.search-form:focus-within{box-shadow:var(--shadow-md);transform:scale(1.02)}.search-input{border:none;background:transparent;outline:none;font-size:.95rem;width:200px;color:var(--text-primary)}.search-input::placeholder{color:var(--text-secondary);opacity:.7}.search-btn{background:transparent;font-size:1.2rem;padding:0;display:flex;align-items:center;justify-content:center}.search-btn:hover{transform:scale(1.1)}@media (max-width: 768px){.header-container{padding:12px 15px;gap:15px}.menu-toggle{display:flex}.nav{position:fixed;top:0;left:0;right:0;bottom:0;background:#fffffffa;flex-direction:column;justify-content:center;gap:40px;transform:translate(-100%);transition:transform .3s ease}.nav.open{transform:translate(0)}.nav-link{font-size:1.5rem}.search-form{margin-left:auto}.search-input{width:120px}.logo{font-size:1.25rem}.logo-icon{font-size:1.75rem}}@media (max-width: 480px){.search-input{width:100px;font-size:.9rem}.search-form{padding:6px 12px}.logo-text{font-size:1rem}}.footer{background:linear-gradient(135deg,var(--secondary-color) 0%,var(--primary-color) 100%);margin-top:80px;position:relative}.footer-content{max-width:1400px;margin:0 auto;padding:60px 20px 40px;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px}.footer-section{animation:fadeInUp .6s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.footer-title{font-size:1.25rem;margin-bottom:20px;color:var(--text-primary);font-weight:700}.footer-desc{line-height:1.8;color:var(--text-secondary);margin-bottom:20px}.footer-social{display:flex;gap:15px}.social-icon{font-size:1.5rem;cursor:pointer;transition:var(--transition);display:inline-block}.social-icon:hover{transform:scale(1.2) rotate(10deg)}.footer-links{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{color:var(--text-secondary);transition:var(--transition);display:inline-block}.footer-links a:hover{color:var(--accent-color);transform:translate(5px)}.footer-bottom{border-top:2px solid rgba(107,68,35,.1);padding:30px 20px;text-align:center;max-width:1400px;margin:0 auto}.copyright,.beian{color:var(--text-secondary);font-size:.9rem;line-height:1.8}.copyright{margin-bottom:8px}.back-to-top{position:fixed;bottom:40px;right:40px;width:50px;height:50px;background:var(--accent-color);color:#fff;border-radius:50%;font-size:1.5rem;font-weight:700;box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;transition:var(--transition);z-index:999}.back-to-top:hover{background:var(--primary-color);transform:translateY(-5px);box-shadow:0 12px 40px #6b442333}.back-to-top:active{transform:translateY(-2px)}@media (max-width: 768px){.footer-content{padding:40px 15px 30px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px}.footer-title{font-size:1.1rem;margin-bottom:15px}.footer-bottom{padding:20px 15px}.back-to-top{width:45px;height:45px;bottom:30px;right:30px;font-size:1.3rem}}@media (max-width: 480px){.footer-content{grid-template-columns:1fr;gap:25px}.back-to-top{width:40px;height:40px;bottom:20px;right:20px;font-size:1.2rem}.copyright,.beian{font-size:.85rem}}.video-card{display:block;background:var(--card-bg);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);height:100%}.video-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.video-card-image{position:relative;width:100%;padding-top:56.25%;overflow:hidden;background:var(--secondary-color)}.video-card-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.video-card:hover .video-card-image img{transform:scale(1.1)}.video-card-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0006;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.video-card:hover .video-card-overlay{opacity:1}.play-icon{width:60px;height:60px;background:#ffffffe6;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--accent-color);padding-left:5px;transition:var(--transition)}.video-card:hover .play-icon{transform:scale(1.2)}.video-card-category{position:absolute;top:12px;right:12px;background:var(--accent-color);color:#fff;padding:6px 14px;border-radius:20px;font-size:.85rem;font-weight:600;box-shadow:var(--shadow-sm)}.video-card-content{padding:20px}.video-card-title{font-size:1.15rem;font-weight:700;margin-bottom:10px;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.video-card-description{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin-bottom:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-card-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:.85rem;color:var(--text-secondary)}.video-views{display:flex;align-items:center;gap:5px}.video-card-tags{display:flex;flex-wrap:wrap;gap:8px}.video-tag{font-size:.8rem;color:var(--accent-color);background:var(--secondary-color);padding:4px 10px;border-radius:12px;font-weight:500}@media (max-width: 768px){.video-card-content{padding:15px}.video-card-title{font-size:1rem}.video-card-description{font-size:.85rem}.play-icon{width:50px;height:50px;font-size:1.25rem}}.home-page{animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.hero-section{margin:-40px -20px 60px;position:relative;overflow:hidden;border-radius:0 0 30px 30px}.hero-content{position:relative;height:500px;display:flex;align-items:center}.hero-image{position:absolute;top:0;left:0;right:0;bottom:0}.hero-image img{width:100%;height:100%;object-fit:cover}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#ffb87de6,#ffd4a3d9)}.hero-text{position:relative;z-index:2;max-width:1400px;margin:0 auto;padding:0 40px;color:var(--text-primary)}.hero-badge{display:inline-block;background:#fff;color:var(--accent-color);padding:8px 20px;border-radius:20px;font-weight:600;font-size:.9rem;margin-bottom:20px;box-shadow:var(--shadow-sm)}.hero-title{font-size:3.5rem;margin-bottom:20px;text-shadow:2px 2px 4px rgba(0,0,0,.1);line-height:1.2}.hero-description{font-size:1.5rem;margin-bottom:25px;max-width:600px;line-height:1.6}.hero-tags{display:flex;gap:12px;margin-bottom:30px}.hero-tag{background:#fffc;padding:8px 16px;border-radius:20px;font-weight:600;color:var(--text-primary)}.hero-btn{font-size:1.1rem;padding:15px 40px;background:#fff;color:var(--text-primary);box-shadow:var(--shadow-md)}.hero-btn:hover{background:var(--accent-color);color:#fff}.carousel-container{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:20px;scrollbar-width:thin;scrollbar-color:var(--accent-color) var(--secondary-color)}.carousel-container::-webkit-scrollbar{height:8px}.carousel-container::-webkit-scrollbar-track{background:var(--secondary-color);border-radius:10px}.carousel-container::-webkit-scrollbar-thumb{background:var(--accent-color);border-radius:10px}.carousel-item{min-width:350px;scroll-snap-align:start}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}.video-list{display:flex;flex-direction:column;gap:20px}.list-item{display:flex;gap:20px;background:var(--card-bg);border-radius:var(--border-radius);padding:20px;box-shadow:var(--shadow-sm);transition:var(--transition);text-decoration:none}.list-item:hover{box-shadow:var(--shadow-md);transform:translate(10px)}.list-item-image{position:relative;min-width:200px;height:120px;border-radius:12px;overflow:hidden;background:var(--secondary-color)}.list-item-image img{width:100%;height:100%;object-fit:cover}.list-play-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;background:#ffffffe6;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent-color);font-size:1rem;padding-left:3px;opacity:0;transition:var(--transition)}.list-item:hover .list-play-icon{opacity:1}.list-item-content{flex:1;display:flex;flex-direction:column;justify-content:center}.list-item-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.list-item-description{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.list-item-meta{display:flex;gap:15px;font-size:.85rem;color:var(--text-secondary)}.list-category{background:var(--secondary-color);padding:4px 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40px}.hero-content{height:350px}.hero-text{padding:0 20px}.hero-title{font-size:2rem}.hero-description{font-size:1.1rem}.hero-tags{flex-wrap:wrap}.carousel-item,.horizontal-item{min-width:280px}.video-grid,.masonry-grid,.video-grid-compact{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.list-item{flex-direction:column;padding:15px}.list-item-image{min-width:100%;height:180px}}@media (max-width: 480px){.hero-content{height:300px}.hero-title{font-size:1.5rem}.hero-description{font-size:1rem}.hero-btn{font-size:1rem;padding:12px 30px}.carousel-item,.horizontal-item{min-width:260px}.video-grid,.masonry-grid,.video-grid-compact{grid-template-columns:1fr}.list-item-image{height:160px}}.video-detail{max-width:1200px;margin:0 auto;animation:fadeIn .5s ease}.breadcrumb{display:flex;align-items:center;gap:10px;margin-bottom:30px;font-size:.9rem;color:var(--text-secondary)}.breadcrumb a{color:var(--text-secondary);transition:var(--transition)}.breadcrumb a:hover{color:var(--accent-color)}.breadcrumb-sep{color:var(--text-secondary);opacity:.5}.video-player-container{width:100%;background:#000;border-radius:var(--border-radius);overflow:hidden;margin-bottom:30px;box-shadow:var(--shadow-lg)}.video-player{width:100%;height:auto;max-height:80vh;display:block}.video-info{background:var(--card-bg);border-radius:var(--border-radius);padding:30px;margin-bottom:40px;box-shadow:var(--shadow-sm)}.video-title{font-size:2rem;margin-bottom:20px;color:var(--text-primary);line-height:1.3}.video-meta-bar{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:2px solid var(--secondary-color);margin-bottom:20px}.video-stats{display:flex;gap:30px;flex-wrap:wrap}.stat-item{display:flex;align-items:center;gap:8px;font-size:.95rem;color:var(--text-secondary)}.stat-icon{font-size:1.25rem}.stat-value{font-weight:700;color:var(--text-primary)}.category-badge{background:var(--accent-color);color:#fff;padding:8px 20px;border-radius:20px;font-weight:600}.video-tags-section{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}.video-detail-tag{background:var(--secondary-color);color:var(--accent-color);padding:8px 18px;border-radius:20px;font-weight:600;font-size:.9rem;transition:var(--transition)}.video-detail-tag:hover{background:var(--accent-color);color:#fff;transform:translateY(-2px)}.video-description-box,.video-review-box{margin-bottom:30px}.video-description-box h3,.video-review-box h3{font-size:1.5rem;margin-bottom:15px;color:var(--text-primary);padding-bottom:10px;border-bottom:3px solid var(--accent-color);display:inline-block}.video-description-box p,.review-content p{font-size:1.05rem;line-height:1.8;color:var(--text-secondary);text-align:justify}.review-content{background:var(--secondary-color);padding:25px;border-radius:12px;border-left:5px solid var(--accent-color);margin-top:15px}.review-content p{margin:0;line-height:2}.related-videos{margin-top:60px}.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}@media (max-width: 1024px){.video-info{padding:25px}.video-title{font-size:1.75rem}.related-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}}@media (max-width: 768px){.video-player{max-height:60vh}.video-info{padding:20px}.video-title{font-size:1.5rem}.video-meta-bar{flex-direction:column;align-items:flex-start;gap:15px}.video-stats{gap:20px}.stat-item{font-size:.9rem}.review-content{padding:20px}.related-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}}@media (max-width: 480px){.breadcrumb{font-size:.8rem;flex-wrap:wrap}.video-player-container{border-radius:12px}.video-info{padding:15px;border-radius:12px}.video-title,.video-description-box h3,.video-review-box h3{font-size:1.25rem}.video-description-box p,.review-content p{font-size:.95rem}.related-grid{grid-template-columns:1fr}}.category-page{animation:fadeIn .5s ease}.category-header{text-align:center;margin-bottom:40px}.category-header h1{font-size:2.5rem;margin-bottom:15px;color:var(--text-primary)}.category-header p{font-size:1.2rem;color:var(--text-secondary)}.category-filters{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;margin-bottom:40px;padding:20px;background:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.filter-btn{padding:12px 28px;background:var(--secondary-color);color:var(--text-primary);border:2px solid transparent;border-radius:25px;font-weight:600;font-size:1rem;transition:var(--transition)}.filter-btn:hover{background:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.filter-btn.active{background:var(--accent-color);color:#fff;border-color:var(--accent-color);box-shadow:var(--shadow-md)}.category-stats{margin-bottom:30px;text-align:center;font-size:1.1rem;color:var(--text-secondary)}.category-stats strong{color:var(--accent-color);font-size:1.3rem}.category-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}.no-results{text-align:center;padding:80px 20px;background:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.no-results p{font-size:1.25rem;color:var(--text-secondary)}@media (max-width: 768px){.category-header h1{font-size:2rem}.category-header p{font-size:1.1rem}.category-filters{padding:15px;gap:12px}.filter-btn{padding:10px 20px;font-size:.95rem}.category-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}}@media (max-width: 480px){.category-header h1{font-size:1.75rem}.category-header p{font-size:1rem}.category-filters{gap:10px}.filter-btn{padding:8px 16px;font-size:.9rem}.category-grid{grid-template-columns:1fr}}.search-page{animation:fadeIn .5s ease}.search-header{text-align:center;margin-bottom:40px}.search-header h1{font-size:2.5rem;margin-bottom:15px;color:var(--text-primary)}.search-query{font-size:1.2rem;color:var(--text-secondary)}.search-query .highlight{color:var(--accent-color);font-weight:700}.search-stats{margin-bottom:30px;text-align:center;font-size:1.1rem;color:var(--text-secondary)}.search-stats strong{color:var(--accent-color);font-size:1.3rem}.search-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}.no-results,.no-query{text-align:center;padding:80px 20px;background:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.no-results-icon,.no-query-icon{font-size:5rem;margin-bottom:20px;animation:float 3s ease-in-out infinite}.no-results h2,.no-query h2{font-size:2rem;margin-bottom:15px;color:var(--text-primary)}.no-results p,.no-query p{font-size:1.2rem;color:var(--text-secondary);margin-bottom:20px}.search-tips{max-width:500px;margin:30px auto 0;text-align:left;background:var(--secondary-color);padding:25px;border-radius:12px}.search-tips h3{font-size:1.25rem;margin-bottom:15px;color:var(--text-primary)}.search-tips ul{list-style:none;padding:0}.search-tips li{padding:10px 0 10px 30px;position:relative;color:var(--text-secondary);line-height:1.6}.search-tips li:before{content:"•";position:absolute;left:10px;color:var(--accent-color);font-size:1.5rem;line-height:1.3}@media (max-width: 768px){.search-header h1{font-size:2rem}.search-query{font-size:1.1rem}.search-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.no-results-icon,.no-query-icon{font-size:4rem}.no-results h2,.no-query h2{font-size:1.75rem}.search-tips{padding:20px}}@media (max-width: 480px){.search-header h1{font-size:1.75rem}.search-query{font-size:1rem}.search-grid{grid-template-columns:1fr}.no-results,.no-query{padding:60px 15px}.no-results-icon,.no-query-icon{font-size:3rem}.no-results h2,.no-query h2{font-size:1.5rem}.no-results p,.no-query p{font-size:1.05rem}}.info-page{max-width:1000px;margin:0 auto;animation:fadeIn .5s ease}.info-header{text-align:center;margin-bottom:60px;padding:40px 20px;background:linear-gradient(135deg,var(--secondary-color) 0%,var(--primary-color) 100%);border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.info-header h1{font-size:3rem;margin-bottom:15px;color:var(--text-primary)}.info-header p{font-size:1.3rem;color:var(--text-secondary)}.info-content{display:flex;flex-direction:column;gap:50px}.info-section{background:var(--card-bg);padding:40px;border-radius:var(--border-radius);box-shadow:var(--shadow-sm);transition:var(--transition)}.info-section:hover{box-shadow:var(--shadow-md)}.section-icon{font-size:3rem;margin-bottom:20px;display:inline-block;animation:float 3s ease-in-out infinite}.info-section h2{font-size:2rem;margin-bottom:25px;color:var(--text-primary);padding-bottom:15px;border-bottom:3px solid var(--accent-color)}.info-section h3{font-size:1.5rem;margin-top:30px;margin-bottom:15px;color:var(--text-primary)}.info-section p{font-size:1.05rem;line-height:1.8;color:var(--text-secondary);margin-bottom:20px;text-align:justify}.info-section ul{list-style:none;padding:0;margin:20px 0}.info-section li{padding:12px 0 12px 35px;position:relative;color:var(--text-secondary);line-height:1.8;font-size:1.05rem}.info-section li:before{content:"•";position:absolute;left:10px;color:var(--accent-color);font-size:1.5rem;line-height:1.5}.mission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:25px;margin-top:30px}.mission-item{background:var(--secondary-color);padding:30px;border-radius:12px;text-align:center;transition:var(--transition)}.mission-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.mission-item h3{font-size:1.25rem;margin:0 0 15px;color:var(--accent-color)}.mission-item p{font-size:1rem;margin:0;line-height:1.6}.timeline{position:relative;padding-left:40px;margin-top:30px}.timeline:before{content:"";position:absolute;left:15px;top:0;bottom:0;width:3px;background:var(--accent-color)}.timeline-item{position:relative;margin-bottom:40px}.timeline-item:before{content:"";position:absolute;left:-32px;top:5px;width:15px;height:15px;border-radius:50%;background:var(--accent-color);border:3px solid var(--background);box-shadow:0 0 0 3px var(--accent-color)}.timeline-date{font-weight:700;color:var(--accent-color);margin-bottom:10px;font-size:1.1rem}.timeline-content h3{font-size:1.3rem;margin:10px 0;color:var(--text-primary)}.timeline-content p{margin:0;font-size:1rem;line-height:1.6}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:25px;margin-top:30px}.contact-item{background:var(--secondary-color);padding:30px;border-radius:12px;text-align:center;transition:var(--transition)}.contact-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.contact-icon{font-size:2.5rem;margin-bottom:15px}.contact-item h3{font-size:1.2rem;margin:15px 0 10px;color:var(--text-primary)}.contact-item p{font-size:1rem;margin:0;color:var(--text-secondary)}.support-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px;margin-top:30px}.support-item{background:var(--secondary-color);padding:30px;border-radius:12px;text-align:center;transition:var(--transition)}.support-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}.support-icon{font-size:2.5rem;margin-bottom:15px}.support-item h3{font-size:1.25rem;margin:15px 0 10px;color:var(--text-primary)}.support-item p{font-size:1.05rem;margin:10px 0;color:var(--text-primary);font-weight:600}.support-time{display:block;font-size:.9rem;color:var(--text-secondary);margin-top:10px}.help-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:30px}.help-category{background:var(--secondary-color);padding:30px;border-radius:12px}.help-category h3{font-size:1.3rem;margin:0 0 20px;color:var(--text-primary)}.help-category ul{margin:0}.help-category li{padding:10px 0 10px 30px;font-size:1rem}.guide-steps{display:flex;flex-direction:column;gap:25px;margin-top:25px}.guide-step{display:flex;gap:20px;background:var(--secondary-color);padding:25px;border-radius:12px;transition:var(--transition)}.guide-step:hover{transform:translate(10px);box-shadow:var(--shadow-sm)}.step-number{flex-shrink:0;width:50px;height:50px;background:var(--accent-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700}.step-content h4{font-size:1.25rem;margin:0 0 10px;color:var(--text-primary)}.step-content p{margin:0;font-size:1rem;line-height:1.6}.tips-list{background:var(--secondary-color);padding:25px;border-radius:12px;margin-top:20px}.tips-list li{padding:12px 0 12px 30px}.faq-list{display:flex;flex-direction:column;gap:25px;margin-top:25px}.faq-item{background:var(--secondary-color);padding:25px;border-radius:12px;border-left:5px solid var(--accent-color);transition:var(--transition)}.faq-item:hover{box-shadow:var(--shadow-sm);transform:translate(5px)}.faq-item h3{font-size:1.2rem;margin:0 0 15px;color:var(--text-primary)}.faq-item p{margin:0;font-size:1rem;line-height:1.7}.copyright-points{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px;margin-top:30px}.copyright-point{background:var(--secondary-color);padding:25px;border-radius:12px}.copyright-point h3{font-size:1.2rem;margin:0 0 15px;color:var(--accent-color)}.copyright-point p{margin:0;font-size:1rem;line-height:1.6}.terms-content,.privacy-content,.disclaimer-content{margin-top:20px}.update-date{text-align:center;font-size:1.1rem;margin-top:30px;padding-top:20px;border-top:2px solid var(--secondary-color)}.cta-section,.contact-cta{background:linear-gradient(135deg,var(--secondary-color) 0%,var(--primary-color) 100%);text-align:center}.cta-content h2{border:none;padding:0;margin-bottom:15px}.cta-content p{font-size:1.2rem;margin-bottom:25px}.contact-email{font-size:1.3rem;font-weight:700;color:var(--accent-color)}@media (max-width: 768px){.info-header{padding:30px 15px;margin-bottom:40px}.info-header h1{font-size:2.5rem}.info-header p{font-size:1.1rem}.info-section{padding:30px 20px}.info-section h2{font-size:1.75rem}.mission-grid,.contact-grid,.support-grid,.help-categories,.copyright-points{grid-template-columns:1fr;gap:20px}.timeline{padding-left:30px}.guide-step{flex-direction:column}}@media (max-width: 480px){.info-header h1{font-size:2rem}.info-header p{font-size:1rem}.info-section{padding:20px 15px}.info-section h2{font-size:1.5rem}.info-section h3{font-size:1.25rem}.section-icon{font-size:2.5rem}}.not-found{min-height:60vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}.not-found-content{text-align:center;max-width:600px;background:var(--card-bg);padding:60px 40px;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);animation:fadeIn .5s ease}.not-found-icon{font-size:6rem;margin-bottom:20px;animation:float 3s ease-in-out infinite}.not-found-title{font-size:6rem;font-weight:700;color:var(--accent-color);margin-bottom:10px;line-height:1}.not-found-subtitle{font-size:2rem;margin-bottom:20px;color:var(--text-primary)}.not-found-text{font-size:1.2rem;color:var(--text-secondary);margin-bottom:40px;line-height:1.6}.not-found-actions{display:flex;gap:20px;justify-content:center;flex-wrap:wrap}@media (max-width: 768px){.not-found-content{padding:50px 30px}.not-found-icon,.not-found-title{font-size:5rem}.not-found-subtitle{font-size:1.75rem}.not-found-text{font-size:1.1rem}}@media (max-width: 480px){.not-found-content{padding:40px 20px}.not-found-icon,.not-found-title{font-size:4rem}.not-found-subtitle{font-size:1.5rem}.not-found-text{font-size:1rem}.not-found-actions{flex-direction:column;gap:15px}.not-found-actions .btn{width:100%}}:root{--primary-color: #FFD4A3;--secondary-color: #FFE8CC;--accent-color: #FFB87D;--text-primary: #2C1810;--text-secondary: #6B4423;--background: #FFFBF5;--card-bg: #FFFFFF;--shadow-sm: 0 2px 8px rgba(107, 68, 35, .08);--shadow-md: 0 4px 16px rgba(107, 68, 35, .12);--shadow-lg: 0 8px 32px rgba(107, 68, 35, .16);--border-radius: 16px;--transition: all .3s ease}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;width:100%;max-width:1400px;margin:0 auto;padding:80px 20px 40px}h1,h2,h3,h4,h5,h6{line-height:1.3;color:var(--text-primary);font-weight:700}h1{font-size:2.5rem;margin-bottom:1.5rem}h2{font-size:2rem;margin-bottom:1.25rem}h3{font-size:1.5rem;margin-bottom:1rem}p{line-height:1.8;margin-bottom:1rem;color:var(--text-secondary)}a{color:var(--accent-color);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-color)}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:var(--transition)}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.section{margin-bottom:60px}.section-title{font-size:1.75rem;margin-bottom:30px;padding-bottom:15px;border-bottom:3px solid var(--accent-color);display:inline-block}.loading{text-align:center;padding:60px 20px;font-size:1.25rem;color:var(--text-secondary)}.error{text-align:center;padding:60px 20px;color:#d32f2f}.btn{padding:12px 32px;background:var(--accent-color);color:#fff;border-radius:25px;font-weight:600;font-size:1rem;box-shadow:var(--shadow-sm);transition:var(--transition)}.btn:hover{background:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--secondary-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--primary-color)}@media (max-width: 768px){.main-content{padding:70px 15px 30px}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.section{margin-bottom:40px}.section-title{font-size:1.5rem;margin-bottom:20px}}@media (max-width: 480px){h1{font-size:1.75rem}h2{font-size:1.35rem}.btn{padding:10px 24px;font-size:.95rem}}:root{font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh}#root{min-height:100vh}