.stats-cards{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;margin-bottom:32px}.stat-card{background:linear-gradient(135deg, #fff, var(--gray-50));border-radius:20px;padding:20px;display:flex;align-items:center;gap:16px;border:1px solid var(--gray-200);transition:all 0.3s}.stat-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,0.1)}.stat-icon{width:56px;height:56px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary-color)}.stat-number{font-size:28px;font-weight:700;color:var(--gray-800);line-height:1.2}.stat-label{font-size:13px;color:var(--gray-500)}.filter-bar{background:var(--gray-50);border-radius:16px;padding:16px 20px;margin-bottom:28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.filter-group{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.filter-group label{font-weight:500;color:var(--gray-700);font-size:0.9rem}.filter-buttons{display:flex;gap:8px;flex-wrap:wrap}.filter-btn{background:white;border:1px solid var(--gray-300);padding:6px 16px;border-radius:30px;cursor:pointer;font-size:0.85rem;transition:all 0.2s}.filter-btn.active{background:var(--primary-color);color:white;border-color:var(--primary-color)}.sort-select{padding:6px 12px;border:1px solid var(--gray-300);border-radius:30px;background:white;font-size:0.85rem}.platforms-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(320px, 1fr));gap:20px;margin-bottom:40px}.platform-card{background:white;border-radius:20px;padding:20px;border:1px solid var(--gray-200);transition:all 0.3s;cursor:pointer}.platform-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px rgba(0,0,0,0.1)}.platform-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.platform-name{display:flex;align-items:center;gap:12px}.platform-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg, #667eea, #764ba2);color:white}.platform-icon.small{background:linear-gradient(135deg, #f093fb, #f5576c)}.platform-icon.medium{background:linear-gradient(135deg, #4facfe, #00f2fe)}.platform-icon.large{background:linear-gradient(135deg, #43e97b, #38f9d7)}.platform-title h3{font-size:1.1rem;font-weight:600;margin-bottom:4px}.platform-badge{font-size:0.65rem;padding:2px 8px;border-radius:20px;background:var(--gray-100);color:var(--gray-600)}.platform-domain{font-family:monospace;font-size:0.8rem;color:var(--gray-500);margin-bottom:12px}.platform-desc{font-size:0.85rem;color:var(--gray-600);line-height:1.5;margin-bottom:16px}.platform-features{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.feature-tag{background:var(--gray-100);padding:4px 10px;border-radius:20px;font-size:0.7rem;color:var(--gray-600)}.platform-footer{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid var(--gray-200)}.platform-rating{display:flex;align-items:center;gap:4px}.rating-stars{color:#fbbf24;font-size:0.8rem}.rating-score{font-weight:600;margin-left:4px}.platform-link{color:var(--primary-color);text-decoration:none;font-size:0.85rem}.url-shortener-section{margin-bottom:40px}.shortener-card{background:linear-gradient(135deg, #667eea 0, #764ba2 100%);border-radius:24px;padding:32px;color:white}.shortener-input{display:flex;gap:16px;margin-bottom:20px;flex-wrap:wrap}.url-input{flex:1;padding:14px 20px;border:none;border-radius:50px;font-size:1rem;background:rgba(255,255,255,0.95)}.url-input:focus{outline:none;box-shadow:0 0 0 3px rgba(255,255,255,0.3)}.shorten-btn{background:white;border:none;padding:14px 32px;border-radius:50px;font-weight:600;cursor:pointer;transition:all 0.2s;color:#667eea}.shorten-btn:hover{transform:scale(1.02);box-shadow:0 4px 12px rgba(0,0,0,0.2)}.shorten-result{background:rgba(255,255,255,0.2);border-radius:16px;padding:16px;margin-top:16px}.result-box{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.result-label{font-weight:500}.short-url{flex:1;color:white;word-break:break-all;text-decoration:underline}.copy-short-btn,.clear-btn{background:rgba(255,255,255,0.2);border:none;padding:8px 16px;border-radius:30px;color:white;cursor:pointer;transition:all 0.2s}.copy-short-btn:hover,.clear-btn:hover{background:rgba(255,255,255,0.3)}.shortener-tips{margin-top:16px;opacity:0.8;font-size:0.8rem}.comparison-section{margin-bottom:40px}.comparison-table-wrapper{overflow-x:auto}.comparison-table{width:100%;border-collapse:collapse;background:white;border-radius:16px;overflow:hidden}.comparison-table th,.comparison-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--gray-200)}.comparison-table th{background:var(--gray-50);font-weight:600;color:var(--gray-700)}.comparison-table tr:hover{background:var(--gray-50)}.comparison-table td:first-child{font-weight:600}.guide-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:24px;margin-top:20px}.guide-card{background:var(--gray-50);border-radius:20px;padding:24px;text-align:center;transition:all 0.3s}.guide-card:hover{transform:translateY(-4px);background:white;box-shadow:0 12px 24px rgba(0,0,0,0.1)}.guide-icon{width:60px;height:60px;background:linear-gradient(135deg, #e0e7ff, #f0f4ff);border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:24px;color:var(--primary-color)}.guide-card h4{margin-bottom:8px;color:var(--gray-800)}.guide-card p{font-size:0.85rem;color:var(--gray-500);line-height:1.5}@media (max-width:900px){.stats-cards{grid-template-columns:repeat(2, 1fr)}.filter-bar{flex-direction:column;align-items:stretch}.guide-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:600px){.stats-cards{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.shortener-input{flex-direction:column}.result-box{flex-direction:column;text-align:center}}