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

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

/* 快速手机号标签 */
.phone-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;
}
.phone-tag:hover {
    background: #fef3c7;
    border-color: #f59e0b;
    color: #d97706;
}

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

/* 归属地高亮 */
.phone-location-card {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    color: #fff;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}
.phone-loc-province {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.phone-loc-city {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 500;
}

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

/* 运营商标签 */
.phone-isp-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 600;
}
.phone-isp-badge.cmcc  { background: #dcfce7; color: #16a34a; }
.phone-isp-badge.cucc  { background: #fef3c7; color: #d97706; }
.phone-isp-badge.ctcc  { background: #dbeafe; color: #2563eb; }
.phone-isp-badge.other { background: #f1f5f9; color: #64748b; }

@media (max-width: 767px) {
    .tool-section { padding: 1.5rem 0 3rem; }
    .phone-info-grid { grid-template-columns: 1fr; }
    .phone-location-card { flex-direction: column; gap: 0.25rem; }
}