*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f8f9fa;color:#333}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background-color:#fff;border-bottom:1px solid #e5e7eb;padding:1rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-content{justify-content:space-between}.header-content,.logo{display:flex;align-items:center}.logo{gap:8px;text-decoration:none;color:#7fb069;font-weight:600;font-size:1.25rem}.logo-icon{font-size:1.5rem}.nav-links{display:flex;align-items:center;gap:2rem}.nav-link{text-decoration:none;color:#6b7280;font-weight:500;transition:color .2s}.nav-link.active,.nav-link:hover{color:#7fb069}.search-bar{flex:1 1;max-width:500px;margin:0 2rem}.search-input{width:100%;padding:.75rem 1rem;border:1px solid #e5e7eb;border-radius:8px;font-size:.95rem;outline:none;transition:border-color .2s}.search-input:focus{border-color:#7fb069}.sign-up-btn{padding:.6rem 1.5rem;background-color:transparent;color:#7fb069;border:2px solid #7fb069;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.sign-up-btn:hover{background-color:#7fb069;color:#fff}.sidebar{width:250px;background-color:#fff;padding:1.5rem;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.1)}.sidebar-title{font-size:1.1rem;font-weight:600;margin-bottom:1rem;color:#111}.category-item{display:flex;align-items:center;gap:12px;padding:.75rem;border-radius:8px;text-decoration:none;color:#4b5563;transition:background-color .2s;margin-bottom:.5rem}.category-item:hover{background-color:#f3f4f6}.category-item.active{background-color:#7fb069;color:#fff}.category-emoji{font-size:1.25rem}.category-name{flex:1 1;font-weight:500}.main-content{flex:1 1;padding-left:2rem}.content-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.content-title{font-size:1.75rem;font-weight:700;color:#111}.question-count{color:#6b7280;font-size:.95rem}.filter-tabs{display:flex;gap:1rem;margin-bottom:1.5rem}.filter-tab{padding:.5rem 1rem;border:none;background-color:#f3f4f6;color:#6b7280;border-radius:20px;font-weight:500;cursor:pointer;transition:all .2s}.filter-tab.active{background-color:#3b82f6;color:#fff}.filter-tab:hover:not(.active){background-color:#e5e7eb}.ask-question-btn{padding:.7rem 1.5rem;background-color:#7fb069;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:background-color .2s}.ask-question-btn:hover{background-color:#6ea057}.question-card{background-color:#fff;border-radius:12px;padding:1.5rem;margin-bottom:1rem;box-shadow:0 1px 3px rgba(0,0,0,.1);display:flex;gap:1.5rem;transition:box-shadow .2s}.question-card:hover{box-shadow:0 4px 6px rgba(0,0,0,.1)}.question-image{width:120px;height:120px;background-color:#e5e7eb;border-radius:8px;flex-shrink:0}.question-content{flex:1 1}.question-header{gap:.75rem;margin-bottom:.75rem}.question-header,.user-avatar{display:flex;align-items:center}.user-avatar{width:32px;height:32px;border-radius:50%;background-color:#7fb069;color:#fff;justify-content:center;font-weight:600}.user-name{font-weight:600;color:#111}.question-time,.user-role{color:#9ca3af;font-size:.85rem}.question-time{margin-left:auto}.question-title{font-size:1.1rem;font-weight:600;color:#111;margin-bottom:.75rem;line-height:1.5}.audio-player{background-color:#f3f4f6;padding:.75rem;border-radius:8px;margin:.75rem 0}.question-footer{display:flex;align-items:center;gap:1rem;color:#6b7280;font-size:.9rem;margin-top:.75rem}.answer-count,.pagination{display:flex;align-items:center;gap:.5rem}.pagination{justify-content:center;margin-top:2rem}.pagination-btn{padding:.5rem 1rem;border:1px solid #e5e7eb;background-color:#fff;border-radius:6px;cursor:pointer;transition:all .2s}.pagination-btn:hover{border-color:#7fb069;color:#7fb069}.pagination-btn.active{background-color:#7fb069;color:#fff;border-color:#7fb069}.featured-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:1.5rem;gap:1.5rem;margin:2rem 0}.featured-card{background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem;border-radius:16px;color:#fff;text-decoration:none;transition:transform .2s}.featured-card:hover{transform:translateY(-4px)}.featured-card.love{background:linear-gradient(135deg,#f093fb,#f5576c)}.featured-card.travel{background:linear-gradient(135deg,#4facfe,#00f2fe)}.featured-card.movies{background:linear-gradient(135deg,#43e97b,#38f9d7)}.load-more-btn{display:block;margin:2rem auto;padding:.75rem 2rem;background-color:transparent;color:#7fb069;border:2px solid #7fb069;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s}.load-more-btn:hover{background-color:#7fb069;color:#fff}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background-color:#fff;padding:2rem;border-radius:16px;max-width:500px;width:90%;max-height:80vh;overflow-y:auto}.modal-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:#111}.language-list{display:flex;flex-direction:column;gap:.75rem}.language-item{display:flex;align-items:center;gap:1rem;padding:1rem;border:2px solid #e5e7eb;border-radius:8px;cursor:pointer;transition:all .2s}.language-item:hover{border-color:#7fb069;background-color:#f9fafb}.language-flag{font-size:1.5rem}.language-name{font-weight:500;color:#111}@media (max-width:768px){.header-content{flex-wrap:wrap}.search-bar{order:3;width:100%;margin:1rem 0 0}.sidebar{display:none}.main-content{padding-left:0}.question-card{flex-direction:column}.question-image{width:100%;height:200px}}