.tool-section {
    padding: 2rem 0 5rem;
    background: #fff;
}

/* ========== 本机 IP 卡片 ========== */
.ip-self-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 14px;
    padding: 1.25rem 1.5rem;
    color: #fff;
    box-shadow: 0 4px 20px rgba(102,126,234,0.3);
}
.ip-self-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.ip-self-label { font-size:0.78rem; opacity:0.85; display:block; }
.ip-self-value { font-size:1.3rem; font-weight:700; letter-spacing:0.5px; font-family: 'SF Mono','Fira Code','Consolas',monospace; }
.ip-self-badge {
    background: rgba(255,255,255,0.2);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.78rem;
}
.ip-self-location { font-size:0.82rem; opacity:0.9; }

/* ========== 查询卡片 ========== */
.ip-search-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 1.5rem;
}
.ip-search-title {
    font-size: 0.92rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.75rem;
}

/* 快速 IP 标签 */
.ip-tag {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    font-size: 0.8rem;
    font-family: 'SF Mono','Fira Code','Consolas',monospace;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s;
}
.ip-tag:hover {
    background: #e0e7ff;
    border-color: #818cf8;
    color: #4f46e5;
}

/* ========== 结果卡片 ========== */
.ip-result-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 1.5rem;
}
.ip-result-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
    font-family: 'SF Mono','Fira Code','Consolas',monospace;
}

/* 信息网格 */
.ip-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
}
.ip-info-item {
    background: #fff;
    padding: 0.9rem 1.1rem;
}
.ip-info-item:nth-child(odd) { background: #fafbfc; }
.ip-info-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.2rem;
}
.ip-info-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1e293b;
}
.ip-info-value.mono {
    font-family: 'SF Mono','Fira Code','Consolas',monospace;
}

/* 地图占位 */
.ip-map-placeholder {
    margin-top: 1rem;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px dashed #e2e8f0;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    font-size: 0.85rem;
    gap: 0.5rem;
}

@media (max-width: 767px) {
    .tool-section { padding: 1.5rem 0 3rem; }
    .ip-self-card { padding: 1rem; }
    .ip-self-value { font-size:1rem; }
    .ip-info-grid { grid-template-columns: 1fr; }
}