:root{--primary:#FF6B9D;--primary-dark:#E91E8C;--primary-light:#FFB3D1;--secondary:#C2185B;--accent:#FF4081;--gold:#FFD700;--dark:#1A0A12;--dark2:#2D1B25;--dark3:#3E2535;--text:#333344;--text-light:#666677;--text-muted:#999AAA;--bg:#FFF5F9;--bg2:#FFF0F5;--bg3:#FFEAF2;--white:#FFFFFF;--border:#FFD6E7;--shadow:0 4px 20px rgba(255,107,157,0.15);--shadow-lg:0 8px 40px rgba(255,107,157,0.25);--radius:12px;--radius-lg:20px;--radius-xl:32px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);--font-main:'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-main);color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none;transition:var(--transition)}img{max-width:100%;height:auto;display:block}ul,ol{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:80px 0}.section-sm{padding:50px 0}.text-center{text-align:center}.text-pink{color:var(--primary)}.bg-pink{background:var(--primary)}.bg-dark{background:var(--dark)}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.grid{display:grid}.hidden{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.section-title{text-align:center;margin-bottom:50px}.section-title h2{font-size:2rem;font-weight:700;color:var(--dark);margin-bottom:12px;position:relative;display:inline-block}.section-title h2::after{content:'';position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px}.section-title p{color:var(--text-light);font-size:1rem;margin-top:16px}.section-title .badge{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--accent));color:white;font-size:0.75rem;padding:3px 12px;border-radius:20px;margin-bottom:10px;font-weight:600;letter-spacing:1px}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;font-size:0.95rem;font-weight:600;transition:var(--transition);cursor:pointer;border:2px solid transparent}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:white;box-shadow:0 4px 15px rgba(255,107,157,0.4)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(255,107,157,0.5)}.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}.btn-outline:hover{background:var(--primary);color:white;transform:translateY(-2px)}.btn-dark{background:var(--dark);color:white}.btn-dark:hover{background:var(--dark2);transform:translateY(-2px)}.btn-sm{padding:8px 20px;font-size:0.85rem}.btn-lg{padding:16px 40px;font-size:1.05rem}.top-bar{background:linear-gradient(90deg,var(--dark),var(--dark2),var(--dark));color:var(--primary-light);font-size:0.8rem;padding:6px 0;text-align:center;overflow:hidden}.top-bar-inner{display:flex;align-items:center;justify-content:center;gap:30px}.top-bar a{color:var(--primary-light);transition:var(--transition)}.top-bar a:hover{color:var(--primary)}.top-bar .divider{opacity:0.4}.header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);box-shadow:0 2px 20px rgba(255,107,157,0.08)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}.logo-img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--primary)}.logo-text{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.5px}.logo-sub{font-size:0.65rem;color:var(--text-muted);display:block;line-height:1;margin-top:2px;font-weight:400;-webkit-text-fill-color:var(--text-muted)}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:8px 14px;border-radius:8px;font-size:0.9rem;font-weight:500;color:var(--text);transition:var(--transition);white-space:nowrap;position:relative}.nav a:hover,.nav a.active{color:var(--primary);background:var(--bg3)}.nav a.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:20px;height:2px;background:var(--primary);border-radius:1px}.search-bar{display:flex;align-items:center;background:var(--bg3);border:1.5px solid var(--border);border-radius:50px;padding:6px 16px;gap:8px;min-width:200px;transition:var(--transition)}.search-bar:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,157,0.1)}.search-bar input{border:none;background:none;outline:none;font-size:0.88rem;color:var(--text);width:100%}.search-bar input::placeholder{color:var(--text-muted)}.search-bar button{color:var(--primary);font-size:1rem;flex-shrink:0}.hamburger{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer}.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:1px;transition:var(--transition)}.search-section{background:linear-gradient(135deg,var(--bg2),var(--bg3));border-bottom:1px solid var(--border);padding:12px 0}.search-section-inner{display:flex;align-items:center;justify-content:center;gap:12px}.search-main{display:flex;align-items:center;background:white;border:2px solid var(--primary);border-radius:50px;padding:8px 20px;gap:10px;width:100%;max-width:600px;box-shadow:var(--shadow)}.search-main input{border:none;background:none;outline:none;font-size:0.95rem;color:var(--text);width:100%}.search-main input::placeholder{color:var(--text-muted)}.search-main button{background:linear-gradient(135deg,var(--primary),var(--accent));color:white;border:none;padding:8px 20px;border-radius:50px;font-size:0.9rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.search-main button:hover{transform:scale(1.05)}.search-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:8px}.search-tags a{font-size:0.78rem;color:var(--text-light);background:white;border:1px solid var(--border);padding:3px 10px;border-radius:20px;transition:var(--transition)}.search-tags a:hover{color:var(--primary);border-color:var(--primary)}.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--dark) 0%,var(--dark2) 50%,#4A1040 100%)}.hero-bg{position:absolute;inset:0;z-index:0}.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0.3}.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,10,18,0.85) 0%,rgba(26,10,18,0.5) 100%)}.hero-content{position:relative;z-index:1;max-width:700px}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,107,157,0.2);border:1px solid rgba(255,107,157,0.4);color:var(--primary-light);font-size:0.8rem;padding:5px 14px;border-radius:20px;margin-bottom:20px;backdrop-filter:blur(10px)}.hero h1{font-size:3rem;font-weight:800;color:white;line-height:1.2;margin-bottom:16px}.hero h1 span{background:linear-gradient(135deg,var(--primary),var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero p{color:rgba(255,255,255,0.8);font-size:1.05rem;margin-bottom:30px;max-width:550px;line-height:1.8}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.hero-stats{display:flex;gap:30px;margin-top:40px;padding-top:30px;border-top:1px solid rgba(255,255,255,0.1)}.hero-stat{text-align:center}.hero-stat .num{font-size:1.8rem;font-weight:800;color:var(--primary);display:block}.hero-stat .label{font-size:0.78rem;color:rgba(255,255,255,0.6)}.hero-right{position:absolute;right:0;top:0;bottom:0;width:45%;z-index:1;overflow:hidden}.hero-right img{width:100%;height:100%;object-fit:cover;opacity:0.7}.hero-right::before{content:'';position:absolute;left:0;top:0;bottom:0;width:200px;background:linear-gradient(90deg,var(--dark),transparent);z-index:1}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}.video-card{background:white;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--dark3)}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease}.video-card:hover .video-thumb img{transform:scale(1.08)}.video-play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0);transition:var(--transition)}.video-card:hover .video-play-btn{background:rgba(0,0,0,0.4)}.play-icon{width:54px;height:54px;background:rgba(255,255,255,0.95);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transform:scale(0.7);transition:var(--transition);box-shadow:0 4px 20px rgba(0,0,0,0.3)}.video-card:hover .play-icon{opacity:1;transform:scale(1)}.play-icon::after{content:'';border-left:18px solid var(--primary);border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:white;font-size:0.72rem;padding:2px 7px;border-radius:4px}.video-badge{position:absolute;top:8px;left:8px;background:linear-gradient(135deg,var(--primary),var(--accent));color:white;font-size:0.7rem;padding:3px 8px;border-radius:4px;font-weight:600}.video-info{padding:14px}.video-info h3{font-size:0.95rem;font-weight:600;color:var(--dark);margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.video-meta{display:flex;align-items:center;justify-content:space-between;font-size:0.78rem;color:var(--text-muted)}.video-meta .views::before{content:'▶ '}.video-meta .likes::before{content:'♥ '}.video-meta .comments::before{content:'💬 '}.video-author{display:flex;align-items:center;gap:6px;margin-top:8px}.video-author-avatar{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:0.65rem;color:white;font-weight:700;flex-shrink:0}.video-author span{font-size:0.78rem;color:var(--text-light)}.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}.expert-card{background:white;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);text-align:center}.expert-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.expert-avatar{width:100%;aspect-ratio:1;overflow:hidden;position:relative}.expert-avatar img{width:100%;height:100%;object-fit:cover}.expert-avatar::after{content:'';position:absolute;bottom:0;left:0;right:0;height:60%;background:linear-gradient(transparent,rgba(26,10,18,0.7))}.expert-info{padding:20px}.expert-info h3{font-size:1.05rem;font-weight:700;color:var(--dark);margin-bottom:4px}.expert-role{font-size:0.8rem;color:var(--primary);font-weight:600;margin-bottom:8px}.expert-desc{font-size:0.82rem;color:var(--text-light);line-height:1.6;margin-bottom:12px}.expert-awards{display:flex;flex-wrap:wrap;gap:4px;justify-content:center;margin-bottom:12px}.expert-award-tag{font-size:0.7rem;background:var(--bg3);color:var(--primary);padding:2px 8px;border-radius:12px;border:1px solid var(--border)}.expert-actions{display:flex;gap:8px;justify-content:center}.expert-actions .btn{font-size:0.78rem;padding:6px 14px}.partners-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center}.partner-item{background:white;border:1.5px solid var(--border);border-radius:var(--radius);padding:16px 24px;font-size:0.9rem;font-weight:600;color:var(--text);transition:var(--transition);min-width:120px;text-align:center}.partner-item:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow)}.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.faq-item{background:white;border-radius:var(--radius);border:1.5px solid var(--border);overflow:hidden;transition:var(--transition)}.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow)}.faq-question{padding:18px 20px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:600;color:var(--dark);font-size:0.95rem;gap:12px}.faq-question:hover{color:var(--primary)}.faq-icon{width:24px;height:24px;border-radius:50%;background:var(--bg3);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);font-size:0.8rem;color:var(--primary)}.faq-item.active .faq-icon{background:var(--primary);color:white;transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease,padding 0.3s ease;padding:0 20px}.faq-item.active .faq-answer{max-height:300px;padding:0 20px 18px}.faq-answer p{color:var(--text-light);font-size:0.9rem;line-height:1.8}.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.review-card{background:white;border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);border:1.5px solid var(--border);transition:var(--transition);position:relative}.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}.review-card::before{content:'"';position:absolute;top:16px;right:20px;font-size:4rem;color:var(--primary-light);font-family:Georgia,serif;line-height:1;opacity:0.5}.review-stars{display:flex;gap:3px;margin-bottom:12px}.review-stars span{color:var(--gold);font-size:0.9rem}.review-text{font-size:0.88rem;color:var(--text);line-height:1.8;margin-bottom:16px}.review-author{display:flex;align-items:center;gap:10px}.review-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:0.85rem;font-weight:700;color:white;flex-shrink:0}.review-author-info .name{font-size:0.88rem;font-weight:600;color:var(--dark)}.review-author-info .date{font-size:0.75rem;color:var(--text-muted)}.review-verified{display:inline-flex;align-items:center;gap:4px;font-size:0.72rem;color:#4CAF50;background:#E8F5E9;padding:2px 8px;border-radius:10px;margin-top:4px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.contact-card{background:white;border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}.contact-card h3{font-size:1.2rem;font-weight:700;color:var(--dark);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--bg3)}.contact-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.contact-icon{width:36px;height:36px;border-radius:8px;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0;color:var(--primary)}.contact-item-text .label{font-size:0.78rem;color:var(--text-muted);margin-bottom:2px}.contact-item-text .value{font-size:0.92rem;color:var(--dark);font-weight:500}.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.qr-item{text-align:center}.qr-item img{width:100px;height:100px;margin:0 auto 8px;border:2px solid var(--border);border-radius:8px;padding:4px}.qr-item p{font-size:0.78rem;color:var(--text-muted)}.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}.community-card{background:white;border-radius:var(--radius-lg);padding:24px;text-align:center;box-shadow:var(--shadow);border:1.5px solid var(--border);transition:var(--transition)}.community-card:hover{transform:translateY(-5px);border-color:var(--primary);box-shadow:var(--shadow-lg)}.community-icon{width:56px;height:56px;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin:0 auto 14px;box-shadow:0 4px 15px rgba(255,107,157,0.3)}.community-card h3{font-size:0.95rem;font-weight:700;color:var(--dark);margin-bottom:6px}.community-card p{font-size:0.8rem;color:var(--text-light);line-height:1.6}.ai-section{background:linear-gradient(135deg,var(--dark),var(--dark2));color:white;position:relative;overflow:hidden}.ai-section::before{content:'';position:absolute;inset:0;background:url('../images/ai_tech.jpg') center/cover;opacity:0.1}.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;position:relative;z-index:1}.ai-content h2{font-size:2rem;font-weight:800;margin-bottom:16px;color:white}.ai-content h2 span{color:var(--primary)}.ai-content p{color:rgba(255,255,255,0.7);line-height:1.8;margin-bottom:24px}.ai-features{display:flex;flex-direction:column;gap:14px}.ai-feature{display:flex;align-items:flex-start;gap:14px;background:rgba(255,255,255,0.05);border-radius:var(--radius);padding:16px;border:1px solid rgba(255,107,157,0.2);transition:var(--transition)}.ai-feature:hover{background:rgba(255,107,157,0.1);border-color:rgba(255,107,157,0.4)}.ai-feature-icon{width:40px;height:40px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}.ai-feature-text h4{font-size:0.92rem;font-weight:600;color:white;margin-bottom:4px}.ai-feature-text p{font-size:0.8rem;color:rgba(255,255,255,0.6);line-height:1.6}.ai-image{border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.4)}.ai-image img{width:100%;height:100%;object-fit:cover}.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center}.share-btn{display:flex;align-items:center;gap:6px;padding:8px 18px;border-radius:50px;font-size:0.82rem;font-weight:600;transition:var(--transition);border:1.5px solid transparent}.share-wechat{background:#07C160;color:white}.share-weibo{background:#E6162D;color:white}.share-douyin{background:#010101;color:white}.share-bilibili{background:#00A1D6;color:white}.share-btn:hover{transform:translateY(-2px);opacity:0.9;box-shadow:0 4px 15px rgba(0,0,0,0.2)}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.82rem;color:var(--text-muted);padding:12px 0}.breadcrumb a{color:var(--text-muted);transition:var(--transition)}.breadcrumb a:hover{color:var(--primary)}.breadcrumb .sep{opacity:0.5}.breadcrumb .current{color:var(--primary)}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}.tag{display:inline-block;padding:5px 14px;border-radius:20px;font-size:0.8rem;background:var(--bg3);color:var(--text-light);border:1px solid var(--border);transition:var(--transition)}.tag:hover{background:var(--primary);color:white;border-color:var(--primary)}.stats-bar{background:linear-gradient(135deg,var(--primary),var(--accent));padding:40px 0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}.stat-item .num{font-size:2.2rem;font-weight:800;color:white;display:block}.stat-item .label{font-size:0.85rem;color:rgba(255,255,255,0.8);margin-top:4px}.footer{background:var(--dark);color:rgba(255,255,255,0.7);padding:60px 0 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand .logo-text{font-size:1.6rem;-webkit-text-fill-color:var(--primary)}.footer-brand p{font-size:0.85rem;line-height:1.8;margin-top:12px;color:rgba(255,255,255,0.5)}.footer-brand .social-links{display:flex;gap:10px;margin-top:16px}.social-link{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;font-size:0.85rem;transition:var(--transition);color:rgba(255,255,255,0.6)}.social-link:hover{background:var(--primary);color:white}.footer-col h4{font-size:0.92rem;font-weight:700;color:white;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,0.08)}.footer-col ul li{margin-bottom:8px}.footer-col ul li a{font-size:0.83rem;color:rgba(255,255,255,0.5);transition:var(--transition)}.footer-col ul li a:hover{color:var(--primary);padding-left:4px}.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.footer-bottom p{font-size:0.8rem;color:rgba(255,255,255,0.4)}.footer-bottom a{color:rgba(255,255,255,0.4);transition:var(--transition)}.footer-bottom a:hover{color:var(--primary)}.footer-links{display:flex;gap:16px}.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}.cat-tab{padding:8px 18px;border-radius:50px;font-size:0.85rem;font-weight:600;border:1.5px solid var(--border);color:var(--text-light);cursor:pointer;transition:var(--transition);background:white}.cat-tab:hover,.cat-tab.active{background:var(--primary);color:white;border-color:var(--primary)}.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px}.step-card{background:white;border-radius:var(--radius-lg);padding:28px;text-align:center;box-shadow:var(--shadow);position:relative;border:1.5px solid var(--border);transition:var(--transition)}.step-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.step-num{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:white;font-size:1.2rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 4px 15px rgba(255,107,157,0.3)}.step-card h3{font-size:0.95rem;font-weight:700;color:var(--dark);margin-bottom:8px}.step-card p{font-size:0.82rem;color:var(--text-light);line-height:1.6}.page-banner{background:linear-gradient(135deg,var(--dark),var(--dark2));padding:60px 0;text-align:center;position:relative;overflow:hidden}.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--primary),var(--accent));opacity:0.08}.page-banner h1{font-size:2.2rem;font-weight:800;color:white;margin-bottom:12px}.page-banner p{color:rgba(255,255,255,0.7);font-size:1rem;max-width:600px;margin:0 auto}.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}.page-btn{width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:0.88rem;font-weight:600;border:1.5px solid var(--border);color:var(--text);background:white;cursor:pointer;transition:var(--transition)}.page-btn:hover,.page-btn.active{background:var(--primary);color:white;border-color:var(--primary)}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:var(--radius)}@keyframes skeleton-loading{0%{background-position:200% 0}100%{background-position:-200% 0}}@media(max-width:1024px){.hero h1{font-size:2.4rem}.hero-right{width:40%}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.ai-grid{grid-template-columns:1fr}.ai-image{display:none}.contact-grid{grid-template-columns:1fr}}@media(max-width:768px){.section{padding:50px 0}.hero{min-height:auto;padding:60px 0}.hero h1{font-size:1.8rem}.hero-right{display:none}.hero-stats{gap:20px}.hero-stat .num{font-size:1.4rem}.nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,0.98);flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:2000}.nav.open{display:flex}.nav a{font-size:1.1rem;padding:12px 24px}.hamburger{display:flex;z-index:2001}.search-bar{display:none}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}.video-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.expert-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.section-title h2{font-size:1.6rem}.top-bar-inner{flex-direction:column;gap:6px}}@media(max-width:480px){.container{padding:0 14px}.hero h1{font-size:1.5rem}.btn-lg{padding:12px 28px;font-size:0.95rem}.video-grid{grid-template-columns:1fr 1fr}.stats-grid{grid-template-columns:1fr 1fr}.review-grid{grid-template-columns:1fr}.howto-steps{grid-template-columns:1fr}}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fadeInUp{animation:fadeInUp 0.6s ease forwards}.animate-pulse{animation:pulse 2s infinite}.animate-float{animation:float 3s ease-in-out infinite}.danmu-bar{background:var(--dark2);padding:10px 0;overflow:hidden;position:relative}.danmu-track{display:flex;gap:40px;white-space:nowrap;animation:danmu-scroll 30s linear infinite}.danmu-track:hover{animation-play-state:paused}.danmu-item{display:inline-flex;align-items:center;gap:8px;font-size:0.82rem;color:rgba(255,255,255,0.7)}.danmu-item .avatar{width:20px;height:20px;border-radius:50%;background:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:0.6rem;color:white;font-weight:700}@keyframes danmu-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}img[loading="lazy"]{opacity:0;transition:opacity 0.3s}img[loading="lazy"].loaded{opacity:1}.video-keyword{color:var(--primary);font-weight:600}