:root{--primary:#FF6B9D;--primary-dark:#E8527A;--primary-light:#FFB3CC;--secondary:#FF1493;--accent:#FF4D7D;--bg-main:#FAFAFA;--bg-card:#FFFFFF;--bg-dark:#1A0A12;--bg-section:#FFF5F8;--text-main:#2D1B22;--text-secondary:#6B4C5A;--text-light:#A08090;--border:#F0D0DC;--shadow:rgba(255,107,157,0.15);--shadow-dark:rgba(255,20,147,0.25);--gradient-main:linear-gradient(135deg,#FF6B9D 0%,#FF1493 50%,#C71585 100%);--gradient-light:linear-gradient(135deg,#FFF0F5 0%,#FFE4EE 100%);--gradient-card:linear-gradient(180deg,transparent 0%,rgba(0,0,0,0.7) 100%);--radius:12px;--radius-lg:20px;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{scroll-behavior:smooth;font-size:16px;}body{font-family:-apple-system,'PingFang SC','Microsoft YaHei','Hiragino Sans GB',sans-serif;background-color:var(--bg-main);color:var(--text-main);line-height:1.6;overflow-x:hidden;}a{color:var(--primary);text-decoration:none;transition:var(--transition);}a:hover{color:var(--secondary);}img{max-width:100%;height:auto;display:block;}ul,ol{list-style:none;}.container{max-width:1200px;margin:0 auto;padding:0 20px;}.section{padding:70px 0;}.section-alt{background-color:var(--bg-section);}.section-dark{background-color:var(--bg-dark);color:#fff;}.section-title{font-size:2rem;font-weight:700;color:var(--text-main);text-align:center;margin-bottom:12px;position:relative;}.section-title span{color:var(--primary);}.section-subtitle{text-align:center;color:var(--text-secondary);font-size:1rem;margin-bottom:48px;}.section-title::after{content:'';display:block;width:60px;height:4px;background:var(--gradient-main);border-radius:2px;margin:12px auto 0;}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;font-size:0.95rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition);text-decoration:none;}.btn-primary{background:var(--gradient-main);color:#fff;box-shadow:0 4px 15px var(--shadow-dark);}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px var(--shadow-dark);color:#fff;}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary);}.btn-outline:hover{background:var(--primary);color:#fff;}.btn-white{background:#fff;color:var(--primary);box-shadow:0 4px 15px rgba(0,0,0,0.1);}.btn-white:hover{background:var(--primary);color:#fff;}.badge{display:inline-block;padding:4px 12px;border-radius:50px;font-size:0.75rem;font-weight:600;}.badge-primary{background:var(--gradient-main);color:#fff;}.badge-light{background:var(--primary-light);color:var(--primary-dark);}.top-bar{background:var(--gradient-main);color:#fff;text-align:center;padding:8px 20px;font-size:0.85rem;position:relative;z-index:100;}.top-bar a{color:#fff;text-decoration:underline;}.header{background:#fff;box-shadow:0 2px 20px rgba(255,107,157,0.1);position:sticky;top:0;z-index:999;}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1200px;margin:0 auto;}.logo-wrap{display:flex;align-items:center;gap:10px;text-decoration:none;}.logo-icon{width:40px;height:40px;background:var(--gradient-main);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#fff;font-weight:900;flex-shrink:0;}.logo-img{height:40px;width:auto;}.logo-text{display:flex;flex-direction:column;line-height:1.2;}.logo-name{font-size:1.3rem;font-weight:800;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.logo-slogan{font-size:0.7rem;color:var(--text-light);letter-spacing:1px;}.nav-main{display:flex;align-items:center;gap:4px;}.nav-main a{padding:8px 14px;border-radius:8px;color:var(--text-main);font-size:0.9rem;font-weight:500;transition:var(--transition);white-space:nowrap;}.nav-main a:hover,.nav-main a.active{background:var(--gradient-light);color:var(--primary);}.nav-actions{display:flex;align-items:center;gap:10px;}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px;}.hamburger span{display:block;width:24px;height:2px;background:var(--text-main);border-radius:2px;transition:var(--transition);}.search-bar-wrap{background:var(--bg-section);padding:14px 0;border-bottom:1px solid var(--border);}.search-bar{display:flex;align-items:center;max-width:600px;margin:0 auto;background:#fff;border:2px solid var(--border);border-radius:50px;padding:8px 8px 8px 20px;transition:var(--transition);}.search-bar:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,157,0.15);}.search-bar input{flex:1;border:none;outline:none;background:transparent;font-size:0.95rem;color:var(--text-main);}.search-bar input::placeholder{color:var(--text-light);}.search-btn{background:var(--gradient-main);color:#fff;border:none;border-radius:50px;padding:8px 20px;cursor:pointer;font-size:0.9rem;font-weight:600;transition:var(--transition);}.search-btn:hover{opacity:0.9;transform:scale(1.02);}.hero{position:relative;overflow:hidden;background:var(--bg-dark);min-height:500px;}.hero-slider{position:relative;width:100%;height:500px;}.hero-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 0.8s ease;}.hero-slide.active{opacity:1;}.hero-slide img{width:100%;height:100%;object-fit:cover;}.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,10,18,0.8) 0%,rgba(255,20,147,0.2) 100%);}.hero-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;width:90%;max-width:700px;z-index:2;}.hero-tag{display:inline-block;background:var(--gradient-main);color:#fff;padding:6px 18px;border-radius:50px;font-size:0.8rem;font-weight:600;margin-bottom:16px;letter-spacing:1px;}.hero-title{font-size:2.8rem;font-weight:900;line-height:1.2;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.5);}.hero-title span{color:var(--primary-light);}.hero-desc{font-size:1.05rem;opacity:0.9;margin-bottom:28px;line-height:1.7;}.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}.hero-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3;}.hero-dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,0.5);cursor:pointer;transition:var(--transition);}.hero-dot.active{background:var(--primary);width:24px;border-radius:4px;}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}.video-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 4px 20px var(--shadow);transition:var(--transition);cursor:pointer;}.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 40px var(--shadow-dark);}.video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-dark);}.video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;}.video-card:hover .video-thumb img{transform:scale(1.08);}.video-play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:rgba(255,107,157,0.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition);backdrop-filter:blur(4px);}.video-play-btn::after{content:'';width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px;}.video-card:hover .video-play-btn{transform:translate(-50%,-50%) scale(1);}.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;font-size:0.75rem;padding:3px 8px;border-radius:4px;}.video-overlay{position:absolute;inset:0;background:var(--gradient-card);opacity:0;transition:var(--transition);}.video-card:hover .video-overlay{opacity:1;}.video-info{padding:16px;}.video-title{font-size:0.95rem;font-weight:600;color:var(--text-main);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;gap:12px;font-size:0.8rem;color:var(--text-light);}.video-meta span{display:flex;align-items:center;gap:4px;}.video-tag{display:inline-block;background:var(--gradient-light);color:var(--primary);font-size:0.72rem;padding:2px 8px;border-radius:4px;margin-bottom:8px;font-weight:600;}.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;}.feature-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;box-shadow:0 4px 20px var(--shadow);transition:var(--transition);border:1px solid var(--border);}.feature-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px var(--shadow-dark);border-color:var(--primary-light);}.feature-icon{width:64px;height:64px;background:var(--gradient-light);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:1.8rem;}.feature-title{font-size:1.05rem;font-weight:700;color:var(--text-main);margin-bottom:10px;}.feature-desc{font-size:0.88rem;color:var(--text-secondary);line-height:1.6;}.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;}.expert-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 4px 20px var(--shadow);transition:var(--transition);text-align:center;}.expert-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px var(--shadow-dark);}.expert-avatar{width:100%;aspect-ratio:1;object-fit:cover;background:var(--gradient-light);}.expert-info{padding:18px 16px;}.expert-name{font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:4px;}.expert-role{font-size:0.82rem;color:var(--primary);font-weight:600;margin-bottom:10px;}.expert-desc{font-size:0.82rem;color:var(--text-secondary);line-height:1.5;margin-bottom:14px;}.expert-actions{display:flex;gap:8px;justify-content:center;}.expert-actions a{font-size:0.78rem;padding:6px 14px;border-radius:50px;}.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}.review-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:24px;box-shadow:0 4px 20px var(--shadow);border-left:4px solid var(--primary);transition:var(--transition);}.review-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px var(--shadow-dark);}.review-stars{color:#FFB800;font-size:1rem;margin-bottom:12px;}.review-text{font-size:0.9rem;color:var(--text-secondary);line-height:1.7;margin-bottom:16px;font-style:italic;}.review-author{display:flex;align-items:center;gap:10px;}.review-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient-main);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:0.9rem;flex-shrink:0;}.review-name{font-size:0.9rem;font-weight:600;color:var(--text-main);}.review-date{font-size:0.78rem;color:var(--text-light);}.faq-list{max-width:800px;margin:0 auto;}.faq-item{background:var(--bg-card);border-radius:var(--radius);margin-bottom:12px;border:1px solid var(--border);overflow:hidden;transition:var(--transition);}.faq-item:hover{border-color:var(--primary-light);}.faq-question{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;cursor:pointer;font-size:0.95rem;font-weight:600;color:var(--text-main);gap:12px;}.faq-icon{width:24px;height:24px;background:var(--gradient-light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1rem;flex-shrink:0;transition:var(--transition);}.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--gradient-main);color:#fff;}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.4s ease;}.faq-answer-inner{padding:0 22px 18px;font-size:0.88rem;color:var(--text-secondary);line-height:1.7;}.faq-item.open .faq-answer{max-height:300px;}.partners-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px;align-items:center;}.partner-item{background:var(--bg-card);border-radius:var(--radius);padding:18px;text-align:center;border:1px solid var(--border);transition:var(--transition);font-size:0.85rem;font-weight:600;color:var(--text-secondary);}.partner-item:hover{border-color:var(--primary);color:var(--primary);transform:scale(1.03);}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:24px;text-align:center;}.stat-item{padding:24px;}.stat-number{font-size:2.5rem;font-weight:900;background:var(--gradient-main);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:8px;}.stat-label{font-size:0.9rem;color:var(--text-secondary);}.steps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;counter-reset:step;}.step-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px 22px;text-align:center;border:1px solid var(--border);position:relative;transition:var(--transition);}.step-card:hover{border-color:var(--primary);box-shadow:0 8px 30px var(--shadow);}.step-num{width:48px;height:48px;background:var(--gradient-main);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem;font-weight:800;margin:0 auto 16px;}.step-title{font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:10px;}.step-desc{font-size:0.85rem;color:var(--text-secondary);line-height:1.6;}.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;}.contact-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;border:1px solid var(--border);transition:var(--transition);}.contact-card:hover{border-color:var(--primary);box-shadow:0 8px 30px var(--shadow);}.contact-icon{font-size:2.5rem;margin-bottom:14px;}.contact-title{font-size:1rem;font-weight:700;color:var(--text-main);margin-bottom:8px;}.contact-info{font-size:0.88rem;color:var(--text-secondary);line-height:1.6;}.qrcode-wrap{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;margin-top:32px;}.qrcode-item{text-align:center;}.qrcode-item img{width:120px;height:120px;border:2px solid var(--border);border-radius:var(--radius);margin:0 auto 8px;}.qrcode-label{font-size:0.82rem;color:var(--text-secondary);}.share-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;}.share-label{font-size:0.9rem;color:var(--text-secondary);}.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:50px;font-size:0.82rem;font-weight:600;cursor:pointer;border:none;transition:var(--transition);color:#fff;}.share-wechat{background:#07C160;}.share-weibo{background:#E6162D;}.share-douyin{background:#010101;}.share-bilibili{background:#00A1D6;}.share-btn:hover{opacity:0.85;transform:translateY(-2px);}.footer{background:var(--bg-dark);color:rgba(255,255,255,0.8);padding:60px 0 0;}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.1);}.footer-brand .logo-name{font-size:1.5rem;margin-bottom:12px;display:block;}.footer-brand p{font-size:0.85rem;line-height:1.7;color:rgba(255,255,255,0.6);margin-bottom:20px;}.footer-col h4{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:16px;}.footer-col ul li{margin-bottom:10px;}.footer-col ul li a{font-size:0.85rem;color:rgba(255,255,255,0.6);transition:var(--transition);}.footer-col ul li a:hover{color:var(--primary-light);}.footer-bottom{padding:20px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}.footer-bottom p{font-size:0.82rem;color:rgba(255,255,255,0.5);}.footer-links{display:flex;gap:16px;}.footer-links a{font-size:0.82rem;color:rgba(255,255,255,0.5);}.footer-links a:hover{color:var(--primary-light);}.breadcrumb{padding:14px 0;font-size:0.85rem;color:var(--text-light);}.breadcrumb a{color:var(--text-light);}.breadcrumb a:hover{color:var(--primary);}.breadcrumb span{margin:0 8px;color:var(--border);}.page-hero{background:var(--gradient-main);color:#fff;padding:60px 0;text-align:center;position:relative;overflow:hidden;}.page-hero::before{content:'';position:absolute;top:-50%;right:-10%;width:400px;height:400px;background:rgba(255,255,255,0.05);border-radius:50%;}.page-hero h1{font-size:2.2rem;font-weight:800;margin-bottom:12px;}.page-hero p{font-size:1rem;opacity:0.9;max-width:600px;margin:0 auto;}.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;}.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:8px;font-size:0.9rem;border:1px solid var(--border);color:var(--text-main);transition:var(--transition);}.pagination a:hover,.pagination .current{background:var(--gradient-main);color:#fff;border-color:transparent;}.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}.tag-cloud a{background:var(--bg-section);color:var(--text-secondary);padding:6px 14px;border-radius:50px;font-size:0.82rem;border:1px solid var(--border);transition:var(--transition);}.tag-cloud a:hover{background:var(--gradient-main);color:#fff;border-color:transparent;}.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){.footer-grid{grid-template-columns:1fr 1fr;}}@media (max-width:768px){.hero-title{font-size:1.8rem;}.hero-slider{height:380px;}.section-title{font-size:1.5rem;}.nav-main{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,0.98);flex-direction:column;justify-content:center;align-items:center;gap:12px;z-index:9998;}.nav-main.open{display:flex;}.nav-main a{font-size:1.1rem;padding:12px 24px;}.hamburger{display:flex;z-index:9999;}.footer-grid{grid-template-columns:1fr;gap:24px;}.video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));}.stats-grid{grid-template-columns:repeat(2,1fr);}.footer-bottom{flex-direction:column;text-align:center;}}@media (max-width:480px){.container{padding:0 15px;}.hero-title{font-size:1.5rem;}.hero-slider{height:300px;}.hero-btns{flex-direction:column;align-items:center;}.video-grid{grid-template-columns:1fr;}.feature-grid{grid-template-columns:1fr 1fr;}.section{padding:50px 0;}}.ai-section{background:linear-gradient(135deg,#1A0A12 0%,#2D1B22 50%,#1A0A12 100%);position:relative;overflow:hidden;}.ai-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FF6B9D' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");}.ai-card{background:rgba(255,255,255,0.05);border:1px solid rgba(255,107,157,0.2);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;transition:var(--transition);position:relative;z-index:1;}.ai-card:hover{background:rgba(255,107,157,0.1);border-color:var(--primary);transform:translateY(-4px);}.ai-card .feature-icon{background:rgba(255,107,157,0.15);}.ai-card .feature-title{color:#fff;}.ai-card .feature-desc{color:rgba(255,255,255,0.7);}.community-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;}.community-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:24px 18px;text-align:center;border:1px solid var(--border);transition:var(--transition);cursor:pointer;}.community-card:hover{border-color:var(--primary);box-shadow:0 8px 30px var(--shadow);transform:translateY(-3px);}.community-icon{font-size:2.2rem;margin-bottom:12px;}.community-title{font-size:0.95rem;font-weight:700;color:var(--text-main);margin-bottom:6px;}.community-count{font-size:0.8rem;color:var(--primary);font-weight:600;}.notice-bar{background:linear-gradient(90deg,var(--primary-light),var(--primary));color:#fff;padding:10px 20px;display:flex;align-items:center;gap:10px;font-size:0.85rem;border-radius:var(--radius);margin-bottom:20px;}.video-modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.9);z-index:10000;align-items:center;justify-content:center;}.video-modal.open{display:flex;}.video-modal-inner{position:relative;width:90%;max-width:900px;background:#000;border-radius:var(--radius-lg);overflow:hidden;}.video-modal-close{position:absolute;top:12px;right:12px;width:36px;height:36px;background:rgba(255,255,255,0.2);border:none;border-radius:50%;color:#fff;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1;transition:var(--transition);}.video-modal-close:hover{background:var(--primary);}.video-player-wrap{aspect-ratio:16/9;background:#111;display:flex;align-items:center;justify-content:center;}.video-player-wrap video{width:100%;height:100%;object-fit:contain;}::-webkit-scrollbar{width:6px;}::-webkit-scrollbar-track{background:var(--bg-section);}::-webkit-scrollbar-thumb{background:var(--primary-light);border-radius:3px;}::-webkit-scrollbar-thumb:hover{background:var(--primary);}::selection{background:var(--primary-light);color:var(--primary-dark);}.back-to-top{position:fixed;bottom:30px;right:30px;width:44px;height:44px;background:var(--gradient-main);color:#fff;border:none;border-radius:50%;cursor:pointer;display:none;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 4px 15px var(--shadow-dark);transition:var(--transition);z-index:100;}.back-to-top.show{display:flex;}.back-to-top:hover{transform:translateY(-3px);box-shadow:0 8px 25px var(--shadow-dark);}.page-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;align-items:start;}.sidebar{position:sticky;top:100px;}.sidebar-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:22px;border:1px solid var(--border);margin-bottom:20px;}.sidebar-title{font-size:0.95rem;font-weight:700;color:var(--text-main);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary-light);}@media (max-width:900px){.page-layout{grid-template-columns:1fr;}.sidebar{position:static;}}.hot-tags{display:flex;flex-wrap:wrap;gap:8px;}.hot-tag{background:var(--bg-section);color:var(--text-secondary);padding:5px 12px;border-radius:50px;font-size:0.8rem;border:1px solid var(--border);cursor:pointer;transition:var(--transition);}.hot-tag:hover{background:var(--primary);color:#fff;border-color:transparent;}