:root{--color-primary:#C41E3A;--color-primary-dark:#8B0000;--color-primary-light:#E63946;--color-gold:#D4AF37;--color-gold-light:#F0C75E;--color-dark:#1A1A2E;--color-dark-light:#16213E;--color-bg:#F5F5F5;--color-white:#FFFFFF;--color-text:#333333;--color-text-light:#666666;--color-border:#E0E0E0;--color-gray:#999999;--radius:8px;--shadow-sm:0 2px 4px rgba(0,0,0,0.08);--shadow-md:0 4px 12px rgba(0,0,0,0.12);--shadow-lg:0 8px 24px rgba(0,0,0,0.16);--transition:all 0.3s cubic-bezier(0.23,1,0.32,1);--max-width:1200px;}*{margin:0;padding:0;box-sizing:border-box;}html{font-size:16px;scroll-behavior:smooth;}body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased;}a{color:var(--color-primary);text-decoration:none;transition:var(--transition);}a:hover{color:var(--color-gold);}img{max-width:100%;height:auto;display:block;}.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem;}.site-header{background:linear-gradient(135deg,var(--color-dark) 0%,var(--color-dark-light) 100%);color:var(--color-white);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow-md);}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0.75rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;}.logo-area{flex-shrink:0;}.logo-link{display:flex;align-items:center;gap:0.5rem;color:var(--color-white);}.logo-img{border-radius:6px;}.logo-text{font-size:1.5rem;font-weight:700;background:linear-gradient(90deg,var(--color-gold),var(--color-gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.main-nav{flex:1;}.nav-list{list-style:none;display:flex;gap:0.25rem;justify-content:center;flex-wrap:wrap;}.nav-item a{display:block;padding:0.5rem 1rem;color:rgba(255,255,255,0.85);font-size:0.95rem;border-radius:var(--radius);transition:var(--transition);}.nav-item a:hover,.nav-item.active a{background:var(--color-primary);color:var(--color-white);}.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px;}.nav-toggle span{width:24px;height:2px;background:var(--color-white);transition:var(--transition);}.search-bar{background:rgba(0,0,0,0.2);padding:0.5rem 0;}.search-inner{max-width:var(--max-width);margin:0 auto;padding:0 1rem;display:flex;gap:0.5rem;}.search-input{flex:1;padding:0.5rem 1rem;border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius);background:rgba(255,255,255,0.1);color:var(--color-white);font-size:0.9rem;outline:none;transition:var(--transition);}.search-input::placeholder{color:rgba(255,255,255,0.5);}.search-input:focus{background:rgba(255,255,255,0.15);border-color:var(--color-gold);}.search-btn{padding:0.5rem 1.5rem;background:var(--color-primary);color:var(--color-white);border:none;border-radius:var(--radius);cursor:pointer;font-size:0.9rem;transition:var(--transition);}.search-btn:hover{background:var(--color-primary-dark);}.breadcrumb-bar{background:var(--color-white);border-bottom:1px solid var(--color-border);padding:0.5rem 0;}.breadcrumb{font-size:0.85rem;color:var(--color-text-light);}.breadcrumb a{color:var(--color-text-light);}.breadcrumb a:hover{color:var(--color-primary);}.site-main{min-height:60vh;}.hero{position:relative;background:var(--color-dark);overflow:hidden;}.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0.4;}.hero-content{position:relative;max-width:var(--max-width);margin:0 auto;padding:3rem 1rem;color:var(--color-white);text-align:center;}.hero h1{font-size:2.5rem;font-weight:800;margin-bottom:1rem;text-shadow:0 2px 8px rgba(0,0,0,0.5);}.hero h1 .highlight{background:linear-gradient(90deg,var(--color-gold),var(--color-gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.hero-subtitle{font-size:1.1rem;margin-bottom:1.5rem;color:rgba(255,255,255,0.9);max-width:600px;margin-left:auto;margin-right:auto;}.hero-tags{display:flex;gap:0.5rem;justify-content:center;flex-wrap:wrap;margin-bottom:1.5rem;}.hero-tag{padding:0.25rem 0.75rem;background:rgba(196,30,58,0.3);border:1px solid var(--color-primary);border-radius:20px;font-size:0.8rem;color:var(--color-gold-light);}.section{padding:2.5rem 0;}.section-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;padding-left:0.75rem;border-left:4px solid var(--color-primary);color:var(--color-text);}.section-title .sub{font-size:0.85rem;font-weight:400;color:var(--color-gray);margin-left:0.5rem;}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;}.video-card{background:var(--color-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);cursor:pointer;}.video-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);}.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--color-dark);}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:var(--transition);}.video-card:hover .video-thumb img{transform:scale(1.05);}.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(196,30,58,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition);opacity:0;}.video-card:hover .video-play-btn{transform:translate(-50%,-50%) scale(1);opacity:1;}.video-play-btn::after{content:'';width:0;height:0;border-left:18px solid var(--color-white);border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px;}.video-duration{position:absolute;bottom:0.5rem;right:0.5rem;background:rgba(0,0,0,0.7);color:var(--color-white);padding:0.15rem 0.5rem;border-radius:4px;font-size:0.75rem;}.video-info{padding:1rem;}.video-title{font-size:1rem;font-weight:600;margin-bottom:0.5rem;color:var(--color-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}.video-meta{display:flex;gap:1rem;font-size:0.8rem;color:var(--color-gray);}.video-meta span{display:flex;align-items:center;gap:0.25rem;}.video-tags{display:flex;gap:0.25rem;margin-top:0.5rem;flex-wrap:wrap;}.video-tag{padding:0.1rem 0.5rem;background:rgba(196,30,58,0.08);color:var(--color-primary);border-radius:4px;font-size:0.75rem;}.content-block{background:var(--color-white);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm);}.content-block h2{font-size:1.3rem;font-weight:700;margin-bottom:1rem;color:var(--color-text);}.content-block h3{font-size:1.1rem;font-weight:600;margin:1rem 0 0.5rem;color:var(--color-primary);}.content-block p{margin-bottom:0.75rem;color:var(--color-text-light);line-height:1.8;}.content-block ul,.content-block ol{margin-left:1.5rem;margin-bottom:0.75rem;}.content-block li{margin-bottom:0.25rem;color:var(--color-text-light);}.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;}.feature-card{background:var(--color-white);border-radius:var(--radius);padding:1.5rem;text-align:center;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--color-border);}.feature-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-primary);transform:translateY(-2px);}.feature-icon{width:56px;height:56px;margin:0 auto 1rem;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--color-white);}.feature-card h3{font-size:1.1rem;font-weight:600;margin-bottom:0.5rem;}.feature-card p{font-size:0.9rem;color:var(--color-text-light);}.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.5rem;}.expert-card{background:var(--color-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);}.expert-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}.expert-avatar{width:100%;aspect-ratio:1/1;object-fit:cover;background:var(--color-dark);}.expert-info{padding:1rem;}.expert-name{font-size:1.1rem;font-weight:700;margin-bottom:0.25rem;}.expert-role{font-size:0.85rem;color:var(--color-primary);margin-bottom:0.5rem;}.expert-desc{font-size:0.85rem;color:var(--color-text-light);margin-bottom:0.75rem;}.expert-actions{display:flex;gap:0.5rem;}.expert-btn{flex:1;padding:0.4rem;border:1px solid var(--color-primary);background:transparent;color:var(--color-primary);border-radius:6px;font-size:0.8rem;cursor:pointer;transition:var(--transition);text-align:center;}.expert-btn:hover{background:var(--color-primary);color:var(--color-white);}.comments-section{margin-top:2rem;}.comment-item{background:var(--color-white);border-radius:var(--radius);padding:1rem 1.25rem;margin-bottom:0.75rem;box-shadow:var(--shadow-sm);border-left:3px solid var(--color-gold);}.comment-header{display:flex;align-items:center;gap:0.5rem;margin-bottom:0.5rem;}.comment-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-gold));display:flex;align-items:center;justify-content:center;color:var(--color-white);font-weight:700;font-size:0.85rem;flex-shrink:0;}.comment-user{font-weight:600;font-size:0.9rem;}.comment-date{font-size:0.75rem;color:var(--color-gray);margin-left:auto;}.comment-text{font-size:0.9rem;color:var(--color-text-light);line-height:1.6;}.comment-reply{margin-left:2rem;margin-top:0.5rem;padding:0.75rem 1rem;background:rgba(212,175,55,0.05);border-radius:6px;border-left:3px solid var(--color-gold-light);}.comment-reply-label{font-size:0.75rem;color:var(--color-gold);font-weight:600;margin-bottom:0.25rem;}.faq-item{background:var(--color-white);border-radius:var(--radius);margin-bottom:0.75rem;overflow:hidden;box-shadow:var(--shadow-sm);}.faq-question{padding:1rem 1.25rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition);font-size:0.95rem;}.faq-question:hover{background:rgba(196,30,58,0.03);}.faq-question.active{color:var(--color-primary);}.faq-toggle{width:24px;height:24px;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0;}.faq-question.active .faq-toggle{transform:rotate(45deg);}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease;}.faq-answer-inner{padding:0 1.25rem 1rem;font-size:0.9rem;color:var(--color-text-light);line-height:1.7;}.partner-wall{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:1rem;padding:1rem 0;}.partner-logo{aspect-ratio:2/1;background:var(--color-white);border:1px solid var(--color-border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:0.8rem;color:var(--color-text-light);font-weight:600;transition:var(--transition);}.partner-logo:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm);}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;}.contact-info-card{background:var(--color-white);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);}.contact-info-card h3{font-size:1.1rem;margin-bottom:1rem;color:var(--color-primary);}.contact-info-card p{margin-bottom:0.5rem;font-size:0.9rem;}.contact-info-card strong{color:var(--color-text);}.stats-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.5rem 0;}.stat-item{text-align:center;}.stat-num{font-size:1.8rem;font-weight:800;color:var(--color-primary);}.stat-label{font-size:0.85rem;color:var(--color-text-light);}.page-header{background:linear-gradient(135deg,var(--color-dark),var(--color-dark-light));color:var(--color-white);padding:2rem 0;text-align:center;}.page-header h1{font-size:2rem;margin-bottom:0.5rem;}.page-header p{color:rgba(255,255,255,0.8);font-size:1rem;}.page-content{padding:2rem 0;}.page-layout-2col{display:grid;grid-template-columns:1fr 320px;gap:1.5rem;}.sidebar-card{background:var(--color-white);border-radius:var(--radius);padding:1.25rem;margin-bottom:1.5rem;box-shadow:var(--shadow-sm);}.sidebar-card h3{font-size:1rem;font-weight:600;margin-bottom:0.75rem;padding-bottom:0.5rem;border-bottom:2px solid var(--color-primary);}.sidebar-list{list-style:none;}.sidebar-list li{padding:0.4rem 0;border-bottom:1px dashed var(--color-border);}.sidebar-list li:last-child{border-bottom:none;}.sidebar-list a{font-size:0.85rem;color:var(--color-text-light);display:block;}.sidebar-list a:hover{color:var(--color-primary);}.howto-steps{counter-reset:step;}.howto-step{position:relative;padding-left:3rem;margin-bottom:1.5rem;}.howto-step::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:2rem;height:2rem;background:var(--color-primary);color:var(--color-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;}.howto-step h4{font-size:1rem;margin-bottom:0.25rem;}.howto-step p{font-size:0.85rem;color:var(--color-text-light);}.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;}.testimonial-card{background:var(--color-white);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);border-top:3px solid var(--color-gold);}.testimonial-text{font-size:0.9rem;color:var(--color-text-light);line-height:1.7;margin-bottom:1rem;font-style:italic;}.testimonial-user{display:flex;align-items:center;gap:0.5rem;}.testimonial-user .comment-avatar{width:32px;height:32px;}.testimonial-user-name{font-weight:600;font-size:0.85rem;}.testimonial-user-meta{font-size:0.75rem;color:var(--color-gray);}.site-footer{background:var(--color-dark);color:rgba(255,255,255,0.7);padding:2.5rem 0 1rem;margin-top:2rem;}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 1rem;}.footer-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:2rem;margin-bottom:1.5rem;}.footer-title{color:var(--color-white);font-size:1rem;margin-bottom:0.75rem;font-weight:600;}.footer-logo{margin-bottom:0.75rem;border-radius:6px;}.footer-col p{font-size:0.85rem;line-height:1.6;}.footer-links{list-style:none;}.footer-links li{margin-bottom:0.4rem;}.footer-links a{font-size:0.85rem;color:rgba(255,255,255,0.6);}.footer-links a:hover{color:var(--color-gold);}.footer-contact li{font-size:0.85rem;margin-bottom:0.4rem;list-style:none;}.footer-contact a{color:rgba(255,255,255,0.6);}.qr-codes{display:flex;gap:1rem;margin-bottom:1rem;}.qr-item{text-align:center;}.qr-item img{border-radius:6px;margin-bottom:0.25rem;}.qr-item span{font-size:0.75rem;color:rgba(255,255,255,0.6);}.social-share{display:flex;gap:0.5rem;flex-wrap:wrap;}.share-btn{padding:0.3rem 0.75rem;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:rgba(255,255,255,0.7);border-radius:6px;font-size:0.8rem;cursor:pointer;transition:var(--transition);}.share-btn:hover{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-white);}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:1rem;text-align:center;font-size:0.8rem;color:rgba(255,255,255,0.5);}@media (max-width:768px){.header-inner{flex-wrap:wrap;}.nav-toggle{display:flex;}.main-nav{display:none;width:100%;order:3;}.main-nav.open{display:block;}.nav-list{flex-direction:column;}.nav-item a{padding:0.75rem 1rem;}.hero h1{font-size:1.8rem;}.hero-content{padding:2rem 1rem;}.video-grid{grid-template-columns:1fr;}.feature-grid{grid-template-columns:1fr;}.expert-grid{grid-template-columns:repeat(2,1fr);}.contact-grid{grid-template-columns:1fr;}.page-layout-2col{grid-template-columns:1fr;}.stats-bar{grid-template-columns:repeat(2,1fr);}.footer-cols{grid-template-columns:1fr;gap:1.5rem;}.testimonial-grid{grid-template-columns:1fr;}.section-title{font-size:1.25rem;}}@media (max-width:480px){.expert-grid{grid-template-columns:1fr;}.stats-bar{grid-template-columns:1fr;}.hero h1{font-size:1.5rem;}}img[data-src]{opacity:0;transition:opacity 0.3s;}img.loaded{opacity:1;}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.fade-in{animation:fadeInUp 0.5s ease-out;}@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important;}}.text-center{text-align:center;}.mt-1{margin-top:0.5rem;}.mt-2{margin-top:1rem;}.mb-2{margin-bottom:1rem;}.mb-4{margin-bottom:2rem;}.p-2{padding:1rem;}.p-4{padding:2rem;}.mx-auto{margin-left:auto;margin-right:auto;}.d-block{display:block;}.font-sm{font-size:0.8rem;}.font-xs{font-size:0.75rem;}.text-light{color:var(--color-text-light);}.text-gray{color:var(--color-gray);}.text-white{color:var(--color-white);}.bg-dark{background:var(--color-dark);}.rounded{border-radius:var(--radius);}.rounded-sm{border-radius:6px;}.flex-center{display:flex;align-items:center;justify-content:center;}.aspect-video{aspect-ratio:16/9;}.live-badge{display:inline-block;padding:0.2rem 0.6rem;background:var(--color-primary);border-radius:4px;font-size:0.75rem;color:var(--color-white);}.live-player{aspect-ratio:16/9;max-width:700px;margin:0 auto 1rem;background:linear-gradient(135deg,var(--color-dark),var(--color-dark-light));border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;}.live-player-inner{text-align:center;color:var(--color-white);}.live-player-btn{width:64px;height:64px;background:rgba(196,30,58,0.9);border-radius:50%;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;}.live-player-btn::after{content:'';width:0;height:0;border-left:20px solid var(--color-white);border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:4px;}.live-player-title{font-size:1.2rem;font-weight:600;}.live-player-sub{font-size:0.9rem;color:rgba(255,255,255,0.6);margin-top:0.5rem;}.data-table{width:100%;border-collapse:collapse;font-size:0.9rem;}.data-table th{padding:0.75rem;text-align:left;background:var(--color-dark);color:var(--color-white);}.data-table td{padding:0.75rem;}.data-table tr{border-bottom:1px solid var(--color-border);}.data-table tr:nth-child(even){background:rgba(0,0,0,0.02);}:root{--fp-spacing:1;--fp-radius:6px;--fp-hue:0;}body.fp-active .container{padding-left:calc(1rem * var(--fp-spacing));}body.fp-active .video-card{border-radius:var(--fp-radius);}