.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #10b981, #059669);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #10b981);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.core-stats{display:flex;justify-content:center;gap:24px;margin-bottom:32px;flex-wrap:wrap}.core-stat{background:white;border-radius:60px;padding:16px 28px;display:flex;align-items:center;gap:16px;box-shadow:0 4px 15px rgba(0,0,0,0.05);border:1px solid var(--gray-200)}.core-stat-icon{width:48px;height:48px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#10b981;font-size:1.3rem}.core-stat-info{text-align:left}.core-stat-value{display:block;font-size:1.5rem;font-weight:700;color:var(--gray-800)}.core-stat-label{font-size:0.7rem;color:var(--gray-500)}.input-card{background:linear-gradient(135deg, #fff, #f8fafc);border-radius:80px;padding:8px;box-shadow:0 20px 40px -15px rgba(0,0,0,0.1);border:1px solid rgba(0,0,0,0.05);margin-bottom:24px}.input-wrapper{display:flex;align-items:center;gap:12px;background:white;border-radius:80px;padding:6px 6px 6px 24px}.input-icon{color:#10b981;font-size:1.1rem}.ip-input{flex:1;border:none;padding:16px 0;font-size:1rem;background:transparent;font-family:'Fira Code',monospace}.ip-input:focus{outline:none}.convert-btn{background:linear-gradient(135deg, #10b981, #059669);border:none;padding:14px 32px;border-radius:60px;color:white;font-weight:600;cursor:pointer;transition:all 0.3s}.convert-btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(16,185,129,0.4)}.input-tips{display:flex;justify-content:center;gap:24px;margin-top:16px;flex-wrap:wrap}.tip{font-size:0.7rem;color:var(--gray-500);display:flex;align-items:center;gap:6px}.tip i{color:#10b981}.quick-ips{background:var(--gray-50);border-radius:20px;padding:16px 20px;margin-bottom:24px}.quick-header{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-size:0.85rem;font-weight:500;color:var(--gray-600)}.quick-buttons{display:flex;flex-wrap:wrap;gap:10px}.quick-ip{background:white;border:1px solid var(--gray-200);padding:6px 16px;border-radius:40px;font-size:0.8rem;cursor:pointer;transition:all 0.2s;font-family:monospace}.quick-ip:hover{background:#10b981;border-color:#10b981;color:white}.result-area{margin-bottom:24px;animation:fadeIn 0.4s ease}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--gray-200);flex-wrap:wrap;gap:12px}.result-title{display:flex;align-items:center;gap:10px;font-size:1rem;font-weight:600}.source-ip{background:var(--gray-100);padding:4px 12px;border-radius:20px;font-size:0.8rem;font-family:monospace}.result-actions{display:flex;gap:8px}.result-cards{display:grid;grid-template-columns:repeat(2, 1fr);gap:20px;margin-bottom:24px}.result-card{background:white;border-radius:20px;padding:20px;border:1px solid var(--gray-200);transition:all 0.3s}.result-card:hover{transform:translateY(-4px);box-shadow:0 12px 25px rgba(0,0,0,0.08)}.card-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.card-icon{width:36px;height:36px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#10b981}.card-title{font-weight:600}.card-badge{margin-left:auto;font-size:0.6rem;background:var(--gray-100);padding:2px 8px;border-radius:20px;color:var(--gray-500)}.card-value{font-family:'Fira Code',monospace;font-size:0.9rem;background:#1a1a2e;color:#10b981;padding:12px;border-radius:12px;margin-bottom:12px;word-break:break-all}.card-actions{margin-bottom:12px}.card-actions button{background:transparent;border:1px solid var(--gray-200);padding:4px 12px;border-radius:20px;font-size:0.7rem;cursor:pointer;transition:all 0.2s}.card-actions button:hover{background:#10b981;border-color:#10b981;color:white}.card-desc{font-size:0.7rem;color:var(--gray-500)}.detail-info{background:var(--gray-50);border-radius:20px;padding:20px}.detail-info h4{margin-bottom:16px;font-size:0.9rem;display:flex;align-items:center;gap:8px}.detail-grid{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px}.detail-item{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.detail-label{font-size:0.75rem;color:var(--gray-500);min-width:80px}.detail-value{font-family:monospace;font-size:0.8rem;color:var(--gray-800);word-break:break-all}.history-section{margin-top:24px;background:var(--gray-50);border-radius:20px;padding:16px}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid var(--gray-200)}.history-list{max-height:200px;overflow-y:auto}.history-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:white;border-radius:12px;margin-bottom:8px;cursor:pointer;transition:all 0.2s}.history-item:hover{transform:translateX(4px);border-left:3px solid #10b981}.history-ipv4{font-family:monospace;font-weight:500}.history-ipv6{font-family:monospace;font-size:0.7rem;color:#10b981}.history-time{font-size:0.65rem;color:var(--gray-400)}.knowledge-section{margin-top:32px;background:linear-gradient(135deg, #d1fae5, #a7f3d0);border-radius:24px;padding:24px}.knowledge-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;font-weight:600;color:#065f46}.knowledge-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px}.knowledge-card{background:white;border-radius:16px;padding:16px;text-align:center}.knowledge-card i{font-size:1.5rem;color:#10b981;margin-bottom:12px}.knowledge-card h4{font-size:0.85rem;margin-bottom:8px}.knowledge-card p{font-size:0.7rem;color:var(--gray-500)}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.result-cards{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr}.knowledge-grid{grid-template-columns:repeat(2, 1fr)}}@media (max-width:768px){.input-wrapper{flex-direction:column;border-radius:30px;padding:20px}.input-card{border-radius:30px}.convert-btn{width:100%}.knowledge-grid{grid-template-columns:1fr}.result-header{flex-direction:column;align-items:flex-start}}